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PR target/21098
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
2
3         PR target/21098
4         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
5         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
6
7 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
8
9         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
10         refers to the function being dumped.
11
12 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
13
14         * varasm.c (assemble_start_function): Remove reset of in_section.
15
16 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
17
18         PR tree-optimization/21085
19         * fold-const (fold_binary): Don't change X % -C to X % C if C has
20         overflowed.
21
22 2005-04-19  Ben Elliston  <bje@au.ibm.com>
23
24         * doc/invoke.texi (Optimize Options): Refer to the correct
25         optimisation flag -ftree-dominator-opts, not -ftree-dom.
26
27 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
28
29         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
30         alloca argument to be big enough.
31
32 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
33
34         PR middle-end/21049
35         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
36         cfun->cfg are NULL.
37
38 2005-04-18  Tom Tromey  <tromey@redhat.com>
39
40         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
41         typo.
42
43 2005-04-18  Richard Henderson  <rth@redhat.com>
44
45         * config/alpha/alpha.c (alpha_split_atomic_op): New.
46         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
47         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
48         * config/alpha/alpha-protos.h: Update.
49         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
50         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
51         (attr type): Add ld_l, st_c, mb.
52         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
53         iornotsi3, xorsi_internal, xornotsi3): New.
54         * config/alpha/ev4.md (ev4_ld): Add ld_l.
55         (ev4_ist_c, ev4_mb): New.
56         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
57         (ev5_ld_l): New.
58         * config/alpha/ev6.md (ev6_ild): Add ld_l.
59         (ev6_ist): Add st_c.
60         (ev6_mb): New.
61         * config/alpha/sync.md: New file.
62
63 2005-04-18  Richard Henderson  <rth@redhat.com>
64
65         * builtins.c (expand_builtin_sync_operation): Fold nand to and
66         for constants.
67
68         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
69
70 2005-04-18  Devang Patel  <dpatel@apple.com>
71
72         * config/rs6000/atlivec.md (mulv4si3): New pattern.
73         
74 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
75
76         PR tree-optimization/20922
77         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
78         Fold X + c >= X and fold X - c <= X to true.
79
80 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
81
82         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
83         unsigned int.
84         (emergency_labeled_state_free): Likewise.
85
86 2005-04-18  Nick Clifton  <nickc@redhat.com>
87
88         * config/h8300/h8300.md (jump): Remove prescan parameter from
89         calls to final_scan_insn.
90
91         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
92         parameter from calls to final_scan_insn.
93
94         * config.gcc (m68hc12): Use the m68hc11.opt file for target
95         specific options.
96         (v850e, v850e1): Use the v850.opt file for target specific
97         options.
98
99 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
100
101         PR tree-optimization/21001
102         * tree-optimize.c (init_tree_optimization_passes): Move the
103         first pass_forwprop immediately before pass_vrp.
104
105 2005-04-17  Ian Lance Taylor  <ian@airs.com>
106
107         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
108         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
109         from enum tree_code op to bool is_sizeof.
110         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
111         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
112         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
113         case.
114         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
115         cases.
116         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
117         ALIGNOF_EXPR cases.
118
119 2005-04-17  Ian Lance Taylor  <ian@airs.com>
120
121         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
122
123 2005-04-17  Richard Henderson  <rth@redhat.com>
124
125         * config/alpha/alpha.c (va_list_skip_additions): Only define if
126         TARGET_ABI_OSF.
127         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
128         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
129         of indirection through ssa names while looking for the gpr counter
130         field.
131         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
132         saved va_list_gpr_size and va_list_fpr_size.
133
134 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
135
136         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
137         both pointers or both integers.
138
139         * tree-vrp.c (maybe_add_assert_expr): Don't assert
140         ASSERT_EXPRs for single-use variable.
141
142         * tree-into-ssa.c: Fix a comment typo.
143
144 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
145
146         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
147         -mipsN before forcing a default of -mips2.
148
149 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
150
151         * predict.h (IS_TAKEN): Remove.
152         * rtl.h (NOTE_PREDICTION): Likewise.
153
154         * modulo-sched.c (CFG_HOOKS): Remove.
155
156         * c-parser.c (N_C_TTYPES): Remove.
157
158         * tree-flow-inline.h (get_stmt_operands): Remove.
159         * lambda-code.c, tree-ssa-loop-unswitch.c,
160         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
161         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
162         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
163         calls to get_stmt_operands.
164         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
165
166 2005-04-17  Richard Henderson  <rth@redhat.com>
167
168         PR target/20375
169         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
170         of CUMULATIVE_ARGS past the last named argument.
171         (alpha_va_start): Expect pretend_args_size only if strictly less than
172         6 named arguments.
173
174 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
175
176         PR middle-end/21024
177         * builtins.c (expand_builtin_strcat): Convert the result of
178         strlen to the right type.
179         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
180         avoid creating type mismatches.
181         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
182         type mismatches.
183
184         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
185
186 2005-04-16  Richard Henderson  <rth@redhat.com>
187
188         PR target/21051
189         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
190         Use the mode of boolean_type_node when the user doesn't provide one.
191         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
192
193 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
194
195         PR target/20126
196         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
197         (const)).
198
199         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
200         comment.
201
202 2005-04-16  Roger Sayle  <roger@eyesopen.com>
203             Steven Bosscher  <stevenb@suse.de>
204
205         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
206         (fold_unary_to_constant): Likewise.
207
208 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
209
210         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
211         PROP_ASM_SCAN.
212
213 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
214
215         * doc/install.texi (Specific): Avoid using asterisks in @anchor
216         names related to target triplets.
217         Remove i?86-*-esix from platform directory.
218         Remove powerpc-*-eabiaix from platform directory.
219
220 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
221
222         PR middle-end/20491
223         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
224         falling through from SUBREG case to REG.
225
226 2005-04-15  Roger Sayle  <roger@eyesopen.com>
227
228         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
229         (fold_binary): Update comment mentioning fold_relational_hi_lo.
230         (fold_binary_to_constant): Simplify using fold_binary.
231         (fold_unary_to_constant): Likewise, simplify using fold_unary.
232
233 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
234
235         * gthr-posix.c (pthread_cancel): Define.
236         (pthread_mutexattr_init): Likewise.
237         (pthread_mutexattr_settype): Likewise.
238         (pthread_mutexattr_destroy): Likewise.
239
240 2005-04-15  David S. Miller  <davem@davemloft.net>
241
242         PR target/20673
243         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
244
245 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
246
247         PR tree-optimization/21031
248         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
249         (forward_propagate_into_cond_1): Call it.  Forward propagate
250         integer-integer casts into COND_EXPRs.
251
252 2005-04-15  Dave Korn  <dave.korn@artimi.com>
253
254         * gcc.c (default_compilers): Clarify obscure error message when
255         reading from standard input.
256
257 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
258
259         * basic-block.h (PROP_EQUAL_NOTES): Remove.
260         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
261
262         * tree-ssa-alias.c (init_alias_info): Remove a call to
263         get_stmt_operands.
264
265 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
266
267         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
268         of non-virtual PHI nodes like we use to.
269
270 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
271
272         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
273         (attr_copy_rtx): Do not use it.
274
275 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
276
277         * doc/tree-ssa.texi: Grammer/abbreviation updates.
278
279 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
280
281         * tree-vect-transform.c (vectorizable_store): Mark necessary
282         objects in the vectorized store needing renaming.  Update the
283         SSA graph for V_MAY_DEF operands in the original store.
284
285 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
286
287         * tree-ssa-pre.c (compute_avail): It's okay to have
288         TREE_INVARIANT's here, and value number the resulting expressions.
289         (create_expression_by_pieces): Make sure operands that were
290         min_invariant when we started, stay that way.
291
292 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
293
294         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
295
296 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
297
298         PR tree-optimization/20936.
299         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
300
301 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
302
303         * doc/invoke.texi: Fix typos.
304         * doc/md.texi: Likewise.
305         * doc/rtl.texi: Likewise.
306         * doc/sourcebuild.texi: Likewise.
307         * doc/tm.texi: Likewise.
308
309 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
310
311         PR tree-optimization/21004
312         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
313         and floorl in c99 mode only.
314         * builtins.c (expand_builtin_int_roundingfn): Assert that
315         fallback_fndecl is not NULL_TREE.
316
317 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
318
319         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
320         * basic-block.h: Update the prototype for
321         purge_all_dead_edges.
322         * cfgexpand.c (tree_expand_cfg): Update a call to
323         purge_all_dead_edges.
324         * combine.c (combine_instructions): Likewise.
325         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
326         rest_of_handle_cse2, rest_of_handle_gcse,
327         rest_of_handle_postreload): likewise.
328
329 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
330
331         PR middle-end/20739
332         * gimplify.c (gimplify_addr_expr): Compensate for removal of
333         e.g. cv-qualification conversions.
334
335 2005-04-14  Mike Stump  <mrs@apple.com>
336
337         * config/darwin-c.c (framework_construct_pathname): We must
338         find all headers of a framework in the first instance of it
339         found in the seach path.
340
341 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
342
343         PR tree-optimization/21021
344         * tree-vrp.c (compare_values): Work around a bug in the front
345         end that produces a comparison of mismatched types.
346
347 2004-04-14  Richard Henderson  <rth@redhat.com>
348
349         * config/ia64/ia64.h (enum fetchop_code): Remove.
350         (enum ia64_builtins): Move ...
351         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
352         members except BSP and FLUSHRS.
353         (ia64_init_builtins): Remove __sync builtins.
354         (ia64_expand_builtin): Likewise.
355         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
356         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
357         (ia64_expand_lock_release): Remove.
358         * config/ia64/ia64.md (mf): Move to sync.md.
359         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
360         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
361         * config/ia64/sync.md: New file.
362         (memory_barrier): Rename from mf.
363         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
364         (cmpxchg_acq_<I48MODE>): Likewise.
365         (sync_lock_test_and_set<I48MODE>): Likewise.
366
367         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
368         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
369
370 2004-04-14  Richard Henderson  <rth@redhat.com>
371
372         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
373         (ix86_compare_emitted): New.
374         (ix86_expand_compare): Use ix86_compare_emitted if set.
375         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
376         and ix86_compare_op0 are set.
377         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
378         (TARGET_CMPXCHG, TARGET_XADD): New.
379         (ix86_compare_emitted): Declare.
380         * config/i386/i386.md: Include sync.md
381         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
382         (UNSPECV_XCHG, UNSPECV_LOCK): New.
383         * config/i386/sync.md: New file.
384
385 2004-04-14  Richard Henderson  <rth@redhat.com>
386
387         PR middle-end/14311
388         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
389         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
390         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
391         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
392         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
393         BT_FN_I8_VPTR_I8_I8): New.
394         * builtins.def (DEF_SYNC_BUILTIN): New.
395         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
396         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
397         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
398         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
399         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
400         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
401         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
402         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
403         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
404         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
405         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
406         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
407         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
408         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
409         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
410         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
411         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
412         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
413         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
414         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
415         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
416         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
417         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
418         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
419         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
420         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
421         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
422         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
423         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
424         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
425         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
426         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
427         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
428         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
429         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
430         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
431         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
432         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
433         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
434         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
435         BUILT_IN_SYNCHRONIZE: New.
436         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
437         as a function.  Accept __sync_ as a prefix as well.
438         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
439         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
440         expand_builtin_lock_release): New.
441         (expand_builtin): Call them.
442         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
443         neither BOTH_P nor FALLBACK_P are defined.
444         (builtin_type_for_size): New.
445         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
446         (resolve_overloaded_builtin): New.
447         * c-common.h (resolve_overloaded_builtin): Declare.
448         (builtin_type_for_size): Declare.
449         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
450         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
451         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
452         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
453         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
454         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
455         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
456         sync_compare_and_swap_cc, sync_lock_test_and_set,
457         sync_lock_release): New.
458         * optabs.h: Declare them.
459         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
460         expand_sync_operation, expand_sync_fetch_operation,
461         expand_sync_lock_test_and_set): Declare.
462         * genopinit.c (optabs): Add sync optabs.
463         * optabs.c (init_optabs): Initialize sync optabs.
464         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
465         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
466         expand_sync_operation, expand_sync_fetch_operation,
467         expand_sync_lock_test_and_set): New.
468         * doc/extend.texi (Atomic Builtins): New section
469         * doc/md.texi (Standard Names): Add sync patterns.
470
471 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
472
473         * tree-eh.c (lower_try_finally_copy): Generate new code in
474         response to goto_queue entries as if the queue was sorted by
475         index, not pointers.
476         (lower_try_finally_switch): Likewise.
477
478 2005-04-14  Richard Henderson  <rth@redhat.com>
479
480         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
481         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
482         register.
483         (ix86_expand_fp_movcc): Update to match.
484         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
485         * config/i386/i386-protos.h: Update.
486         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
487         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
488
489 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
490
491         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
492         refer to 4.0.
493
494 2005-04-14  Julian Brown  <julian@codesourcery.com>
495
496         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
497         link failures on ppc64 Linux.
498
499 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
500
501         * config.gcc: Set cpu_type for s390.
502
503 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
504
505         Fix PR tree-optimization/20963
506         * tree-ssa-pre.c (compute_avail): Remove special case for
507         TREE_INVARIANT.
508         (create_expression_by_pieces): Add value numbers for forced out
509         statements.
510
511 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
512
513         * config/cris/cris.md: Replace references to (reg:SI 16) with
514         (reg:SI CRIS_SRP_REGNUM).
515
516 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
517
518         PR tree-optimization/20657
519         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
520         create an appropriate range from it.
521
522 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
523
524         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
525         <UNSPEC_FIST_CEIL> case.
526
527         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
528         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
529         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
530         to implement lfloor and llfloor built-ins as x87 intrinsic function.
531         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
532         (lfloor<mode>2): New expanders.
533         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
534         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
535         to implement lceil and llceil built-ins as x87 intrinsic function.
536         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
537         (lceil<mode>2): New expanders.
538
539 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
540
541         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
542         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
543
544 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
545
546         PR target/20927
547         * config/s390/s390-modes.def: Define TFmode.
548
549 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
550
551         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
552         (JUMP_TABLES_IN_TEXT_SECTION): Define.
553         * config/mips/mips.c (mips16_insn_length): Remove reference to
554         JUMP_TABLES_IN_TEXT_SECTION.
555
556 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
557
558         * simplify-rtx.c (simplify_binary_operation_1): Return
559         scalar or vector of constant 0, depending on the xor's
560         mode.
561
562 2005-04-13  Dale Johannesen  <dalej@apple.com>
563
564         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
565         (objc-act.o):  Ditto.
566         * objc/objc-act.c (objc_gimplify_expr):  New.
567         (objc_get_callee_fndecl):  New.
568         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
569         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
570         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
571
572 2005-04-13  Devang Patel  <dpatel@apple.com>
573
574         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
575         temp variables.
576
577 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
578
579         CRIS prologue as RTL.
580         * config/cris/cris-protos.h (cris_emit_movem_store)
581         (cris_expand_prologue): Prototype.
582         * config/cris/cris.c (struct machine_function): New member
583         stdarg_regs.
584         (cfa_label_num, cris_target_asm_function_prologue): Remove.
585         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
586         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
587         (cris_load_multiple_op, cris_return_address_on_stack)
588         (cris_return_address_on_stack_for_return): ISO-Cify.
589         (cris_store_multiple_op): New predicate function.
590         (cris_expand_prologue, cris_emit_movem_store): New functions.
591         (cris_print_operand) <case 'O'>: Handle modifications other than
592         post-increment.
593         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
594         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
595         (cris_gen_movem_load): Rearrange slightly to make local variable
596         src a parameter, removing osrc.
597         (cris_setup_incoming_varargs): Set machine_function member
598         stdarg_regs to correspond to the number of registers that need to
599         be saved.
600         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
601         CRIS_UNSPEC_GOT.
602         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
603         cris_general_operand_or_gotless_symbol accept UNSPEC.
604         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
605         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
606         ("*cris_store_multiple"): New pattern.  Tweak common comment above
607         this and "*cris_load_multiple".
608         ("prologue"): New define_expand.
609
610         * config/cris/cris.md ("epilogue"): Conditionalize on
611         TARGET_PROLOGUE_EPILOGUE.
612
613 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
614
615         PR target/20924
616         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
617         fpsr 0 instead of fpsr 1.
618         (divsf3_internal_thr): Ditto.
619         (divdf3_internal_lat): Ditto.
620         (divdf3_internal_thr): Ditto.
621         (divxf3_internal_lat): Ditto.
622         (divxf3_internal_thr): Ditto.
623
624 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
625
626         PR tree-optimization/20913
627         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
628
629         PR tree-optimization/20702
630         * tree-vrp.c (maybe_add_assert_expr): Recurse into
631         dominator children that haven't been walked into.
632
633 2005-04-13  Julian Brown  <julian@codesourcery.com>
634
635         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
636         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
637         is true.
638
639 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
640
641         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
642         config/i386/sse.md: Fix comment typos.
643
644         * genattrtab.c (NULL_ATTR): Remove.
645         * ifcvt.c (NULL_EDGE): Likewise.
646
647         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
648
649         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
650         NOTE_PREDICT): Remove.
651
652 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
653
654         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
655         * configure: Regenerate.
656         * config.in: Likewise.
657         * system.h: Declare vsnprintf if not already declared.
658
659 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
660
661         * optc-gen.awk: Handle stand-alone Mask records.
662         * opth-gen.awk: Likewise.
663         * doc/options.texi (Option file format): Document them.
664         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
665         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
666         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
667         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
668         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
669         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
670         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
671         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
672         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
673         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
674         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
675         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
676         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
677         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
678         TARGET_LONG_DOUBLE_128): Likewise.
679         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
680         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
681         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
682         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
683         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
684         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
685         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
686         * config/sparc/sparc.c (fpu_option_set): New global.
687         (sparc_handle_option): New function.
688         (sparc_override_options): Test fpu_option_set.
689         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
690         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
691         * config/sparc/sparc.opt: New file.
692         * config/sparc/little-endian.opt: Likewise.
693         * config/sparc/long-double-switch.opt: Likewise.
694
695 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
696
697         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
698         (bfin_handle_options): Set it if -mshared-library-id= is seen.
699         * config/bfin/bfin.opt (mshared-library-id=): Lose
700         Var(bfin_lib_id_given).
701
702 2005-04-13  Matt Thomas  <matt@3am-software.com>
703
704         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
705         defining.
706
707 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
708
709         * rtl.h (CLEAR_RTX_FLAGS): Remove.
710
711         * cgraphunit.c (INSNS_PER_CALL): Remove.
712
713         * tree-ssa-forwprop.c (vars,
714         record_single_argument_cond_exprs,
715         substitute_single_use_vars): Remove.
716         (forward_propagate_into_cond_1, forward_propagate_into_cond):
717         New.
718         (tree_ssa_forward_propagate_single_use_vars): Call
719         forward_propagate_into_cond for each COND_EXPR.
720
721         * tree-inline.c (INSNS_PER_STMT): Remove.
722
723 2005-04-12  Richard Henderson  <rth@redhat.com>
724
725         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
726         (ix86_expand_sse_fp_minmax): ... from ...
727         (ix86_expand_fp_movcc): ... here.
728         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
729         * config/i386/i386-protos.h: Update.
730         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
731         (sse_setccsf, sse_setccdf): Allow before reload.
732         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
733         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
734         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
735         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
736         (anddf3, nanddf3, iordf3, xordf3): New.
737
738 2005-04-12  Jeff Law  <law@redhat.com>
739
740         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
741         (tree-ssa-uncprop.o): Add dependencies.
742         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
743         * tree-flow.h (remove_useless_stmts): Remove prototype.
744         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
745         remove_useless_stmts.
746         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
747         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
748         * tree-pass.h (pass_uncprop): Declare.
749         * tree-ssa-uncprop.c: New file.
750
751 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
752
753         PR target/20670
754         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
755
756 2005-04-12  Caroline Tice  <ctice@apple.com>
757
758         Temporary fix for partitioning problems.
759         * passes.c (rest_of_handle_final): Remove code that
760         frees unlikely_text_section_name,
761         * varasm.c (assemble_start_function): Test for partitioning
762         flag before writing out section labels.
763         (assemble_end_function): Test for partitioning flag before
764         writing out section labels.
765
766 2005-04-12  Steven Bosscher  <stevenb@suse.de>
767             Stuart Hastings <stuart@apple.com>
768             Jan Hubicka  <jh@suse.cz>
769
770         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
771         references to gt-tree-cfg.h.
772         * basic-block.h (struct basic_block_def): Don't skip rbi
773         for garbage collection.
774         (struct reorder_block_def): Make GTY-able.
775         (struct control_flow_graph): New structure.
776         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
777         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
778         but instead defines to the control_flow_graph for cfun.
779         (label_to_block_map): New define, points to the label map of
780         the control_flow_graph for cfun.
781         (n_edges_for_function, n_basic_blocks_for_function,
782         last_basic_block_for_function, basic_block_info_for_function,
783         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
784         basic_block_info_for_function, label_to_block_map_for_function):
785         Counterparts for the above, taking a struct function as an extra
786         argument.
787         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
788         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
789         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
790         (alloc_rbi_pool, free_rbi_pool): Remove.
791         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
792         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
793         here...
794         (cfg_layout_finalize) ... and don't free it here.
795         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
796         garbage collected.
797         * flow.c (free_basic_block_vars): Set label_to_block_map and
798         n_edges to zero too.
799         * function.h (struct function): Add cfg field.
800         * function.c (allocate_struct_function): Allocate the cfg.
801         * tree-cfg.c (label_to_block_map): Remove.
802         (build_tree_cfg): Don't allocate the rbi pool here...
803         (delete_tree_cfg_annotations): ...and don't free it here.
804         Also don't nullify label_to_block_map for cfun.
805
806 2005-04-12  Caroline Tice  <ctice@apple.com>
807
808         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
809         Revert my patch from April 9.
810         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
811         (reorder_basic_blocks): Revert my patch from April 9.
812         (insert_section_boundary_note): Revert my patch from April 9.
813         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
814         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
815         (COLD_END_LABEL):  Revert my patch from April 9.
816         (cold_text_section_label):  Revert my patch from April 9.
817         (cold_end_label): Revert my patch from April 9.
818         (dwarf2out_switch_text_section): Revert my patch from April 9.
819         (output_aranges): Revert my patch from April 9.
820         (output_ranges):  Revert my patch from April 9.
821         (output_line_info): Revert my patch from April 9.
822         (add_location_or_const_value_attribute):  Revert my patch from April 9.
823         (dwarf2out_var_location): Revert my patch from April 9.
824         (dwarf2out_init):  Revert my patch from April 9.
825         (dwarf2out_finish): Revert my patch from April 9.
826         * function.h (struct function): Revert my patch from April 9.
827         * opts.c (decode_options): Revert my patch from April 9.
828         * output.h (unlikely_section_label, hot_section_label,
829         hot_section_end_label, cold_section_end_label,
830         unlikely_text_section_name): Revert my patch from April 9.
831         * passes.c (rest_of_handle_final): Revert my patch from April 9.
832         * varasm.c (unlikely_section_label, hot_section_label,
833         hot_section_end_label, cold_section_end_label,
834         unlikely_text_section_name): Revert my patch from April 9.
835         (initialize_cold_section_name): Revert my patch from April 9.
836         (unlikely_text_section): Revert my patch from April 9.
837         (in_unlikely_text_section): Revert my patch from April 9.
838         (named_section): Revert my patch from April 9.
839         (function_section): Revert my patch from April 9.
840         (current_function_section): Revert my patch from April 9.
841         (assemble_start_function): Revert my patch from April 9.
842         (assemble_end_function): Revert my patch from April 9.
843         (default_section_type_flags_1): Revert my patch from April 9.
844
845 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
846
847         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
848         * config/sparc/sparc.md (untyped_call): Save the registers manually.
849
850         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
851
852 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
853
854         PR middle-end/20917
855         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
856         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
857
858 2004-04-12  Richard Henderson  <rth@redhat.com>
859
860         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
861         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
862         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
863         (UNSPEC_*, UNSPECV_*): Renumber.
864
865 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
866
867         PR mudflap/19266
868         From Richard Henderson <rth@redhat.com>:
869         * tree-mudflap.c (mf_build_check_statement_for): Correct block
870         splitting logic.
871
872 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
873
874         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
875
876 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
877
878         * config/bfin/bfin.c (bfin_library_id_string): Remove.
879         (bfin_library_id): New variable.
880         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
881         instead of bfin_library_id_string.
882         (bfin_handle_option): New function.
883         (override_options): Remove most code to deal with shared library IDs,
884         just check they aren't used without -mid-shared-library.
885         (TARGET_HANDLE_OPTION): Define.
886         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
887         * config/bfin/bfin.opt (mshared-library-id=): New.
888
889 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
890
891         * tree-vect-transform.c: Fix comment typos.
892
893 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
894
895         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
896         split critical edges when not possible/profitable.
897
898 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
899
900         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
901         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
902         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
903         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
904         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
905         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
906         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
907         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
908         MASK_NO_BITFIELD.
909         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
910         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
911         * config/ns32k/ns32k.opt: New file.
912
913 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
914
915         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
916         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
917         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
918         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
919         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
920         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
921         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
922         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
923         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
924         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
925         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
926         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
927         (MASK_COLDFIRE): Formatting fixes.
928         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
929         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
930         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
931         "_current_shared_library_a5_offset_".
932         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
933         (MASK_ALL_CPU_BITS): New macro.
934         (m68k_handle_option): New function.
935         (override_options): Remove handling of m68k_library_id_string.
936         * config/m68k/m68k.opt: New file.
937         * config/m68k/ieee.opt: New file.
938
939 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
940
941         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
942         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
943         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
944         (TARGET_CXX): Adjust accordingly.
945         * target.h (struct gcc_target): Remove epxort_class_data.  Add
946         determine_class_data_visibility and class_data_always_comdat.
947         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
948         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
949         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
950         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
951         (arm_cxx_determine_class_data_visibility): New.
952         (arm_cxx_class_data_always_comdat): Likewise.
953         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
954         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
955         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
956         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
957         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
958         Define.
959
960 2005-04-11  Devang Patel  <dpatel@apple.com>
961
962         * tree-data-ref.c (build_classic_dist_vector,
963         compute_subscript_distance): Make externally visible.
964         * tree-data-ref.h (build_classic_dist_vector,
965         compute_subscript_distance): Same.
966         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
967         Check distance vector against vectorization factor.
968         (vect_analyze_loop): Determine vectorizaion factor before
969         analyzing data dependences.
970         * tree-vectorizer.c (loops_num): Make it externally visible and
971         rename ...
972         * tree-vectorizer.c (vect_loops_num): ... new name.
973         * tree-vectorizer.h  (vect_loops_num): New.
974
975 2005-04-11  Devang Patel  <dpatel@apple.com>
976
977         * tree-vect-analyze.c (vect_analyze_operations): Check
978         vectorizable codition.
979         * tree-vect-transform.c (vect_is_simple_cond): New function.
980         (vectorizable_condition): New function.
981         (vect_transform_stmt): Handle condition_vec_info_type.
982         * tree-vectorizer.h (enum stmt_vec_info_type): Add
983         condition_vec_info_type.
984         (vectorizable_condition): New.
985
986 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
987
988         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
989         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
990         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
991
992         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
993         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
994
995         * dwarf2out.c (output_line_info): Don't try to dereference
996         a NULL current_function_decl.
997
998         * config/t-slibgcc-darwin: Don't put shared libraries in
999         directories other than $(slibdir).
1000         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
1001         OS uses for it.
1002
1003 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1004
1005         PR tree-optimization/20933
1006         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
1007         logic to reject aliases between read-only and writable
1008         variables ...
1009         (may_alias_p): ... here.
1010         (get_tmt_for): Do not associate read-only tags to pointers
1011         whose pointed-to type is not read-only.
1012         * tree-ssa.c (verify_ssa): Check that memory stores have at
1013         least one V_MAY_DEF or V_MUST_DEF.
1014
1015 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1016
1017         PR/17092
1018         * configure.ac (gcc_UNLOCKED_FUNCS): New.
1019         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
1020         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
1021         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
1022         _unlocked function.
1023         (fwrite_unlocked): Fix prototype.
1024
1025         * configure, config.in: Regenerate.
1026
1027 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
1028
1029         * tree-ssa-loop-im.c: Include real.h.
1030         (determine_invariantness_stmt): If real division divisor is
1031         invariant and flag_unsafe_math_optimizations enabled, generate
1032         invariant reciprocal for hoisting.
1033         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
1034
1035 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1036
1037         Fix PR tree-optimization/20926
1038
1039         * tree-ssa-alias.c (add_type_alias): Handle subvars.
1040
1041 2005-04-11  Devang Patel  <dpatel@apple.com>
1042
1043         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
1044         operand ordering.
1045
1046 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1047
1048         * fold-const.c (fold_binary_op_with_conditional_arg):
1049         use fold_buildN instead of "fold (buildN" in some
1050         non obvious places.
1051         (fold_unary): Likewise.
1052         (fold_binary): Likewise.
1053
1054 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1055
1056         Fix PR tree-optimization/20612
1057         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
1058         handling
1059         (perfect_nestify): preheaderbb is *not* part of loop of the
1060         old destination.
1061
1062 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1063
1064         * tree-ssa-alias.c (may_alias_p): If the variable
1065         is a global variable and the pointer is parameter
1066         and -fargument-noalias-global is used, then
1067         the pointer cannot alias the variable.
1068
1069 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
1070
1071         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
1072         * config/sparc/sparc.h: Likewise.
1073         * config/sparc/sparc.md: Likewise.
1074
1075 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
1076
1077         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
1078
1079         * tree-vrp.c: Fix a comment typo.
1080
1081 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1082
1083         PR tree-optimization/20920
1084         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
1085         SSA_NAME flows through an abnormal edge.
1086         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
1087         through abnormal edges.
1088         (maybe_add_assert_expr): Likewise.
1089
1090 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
1091
1092         * config/s390/s390.h (s390_tune_string, s390_arch_string)
1093         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
1094         (s390_stack_size_string, s390_stack_guard_string, target_flags)
1095         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
1096         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
1097         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
1098         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
1099         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
1100         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
1101         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1102         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1103         (TARGET_HANDLE_OPTION): Likewise.
1104         (s390_tune): Initialize to PROCESSOR_max.
1105         (s390_arch_string): Make static.
1106         (s390_tune_string, s390_warn_framesize_string): Delete.
1107         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1108         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1109         (s390_handle_arch_option, s390_handle_option): New functions.
1110         (override_options): Remove parsing of option strings.
1111         * config/s390/s390.opt: New file.
1112
1113 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1114
1115         * tree-complex.c (expand_vector_operations): Call
1116         update_stmt_if_modified.
1117
1118 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1119
1120         * tree-vect-analyze (vect_determine_vectorization_factor):
1121         Do not use GET_MODE_NUNITS.
1122         * tree-vect-transform.c (vect_get_vec_def_for_operand,
1123         (vectorizable_load, vect_transform_loop): Likewise.
1124
1125 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
1126
1127         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1128         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1129         * optabs.h (enum optab_index): Add new OTI_lceil.
1130         (lceil_optab): Define corresponding macro.
1131         * optabs.c (init_optabs): Initialize lceil_optab.
1132         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1133         and lceildi2 patterns.
1134         * builtins.c (expand_builtin_int_roundingfn): Handle
1135         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1136         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1137         BUILT_IN_LLCEIL{,F,L}.
1138         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1139         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1140         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1141         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1142         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1143         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1144         into lceil built-in function and (long long int)ceil{,f,l} into
1145         llceil built-in function.
1146         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1147         BUILT_IN_LLCEIL.
1148
1149 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1150
1151         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1152         zero.
1153
1154 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
1155
1156         * config/arm/arm.c: Fix a comment typo.
1157         * doc/tree-ssa.texi: Fix a typo.
1158
1159 2005-04-10  Steven Bosscher  <stevenb@suse.de>
1160
1161         * cselib.c (clear_table): Rename to cselib_clear_table.
1162         * cselib.h (cselib_clear_table): Add prototype.
1163         * gcse.c (gcse_main): Make 'f' argument unused.
1164         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1165         of each basic block instead.
1166         (compute_sets, compute_hash_table_work): Likewise.
1167         (constprop_register): Change int 'alter_jumps' argument to bool.
1168         (do_local_cprop): Likewise.
1169         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
1170         the insn chain.  Explicitly clear the cselib tables after finishing
1171         one basic block.  Make sure there are no unterminated libcall blocks.
1172         Update compute_sets call.
1173         (cprop): Walk basic blocks instead of the insn chain.
1174         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1175         Likewise.
1176         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1177         one_cprop_pass calls.
1178
1179 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1180
1181         * combine.c (combine_simplify_rtx): Remove a transformation that
1182         relies on an invalid assumption about rtl sign-extension semantics.
1183
1184 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1185
1186         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1187         to build_int_cst_wide.
1188
1189 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
1190
1191         PR target/20126
1192         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1193         set the original address pseudo to the correct value before the
1194         original insn, if possible, and leave the insn alone, otherwise
1195         create a new pseudo, set it and replace it in the insn.
1196         * recog.c (validate_change_maybe_volatile): New.
1197         * recog.h (validate_change_maybe_volatile): Declare.
1198
1199 2005-04-09  Caroline Tice  <ctice@apple.com>
1200
1201         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1202         Remove targetm.have_named_sections test.
1203         (fix_edges_for_rarely_executed_code): Likewise.
1204         (insert_section_boundary_note): Likewise.
1205         (reorder_basic_blocks): Check partitioning flag before calling
1206         verify_hot_cold_block_grouping.
1207         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1208         the function struct rather than global variables.
1209         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1210         (COLD_END_LABEL): Likewise
1211         (cold_text_section_label): New static global variable.
1212         (cold_end_label): Likewise.
1213         (dwarf2out_switch_text_section): Get hot/cold section labels from
1214         the function struct rather than global variables.
1215         (output_aranges): Use cold_text_section_label and cold_end_label;
1216         check partitioning flag before putting out delta.
1217         (output_ranges): Remove incorrect code attempting to use
1218         hot/cold labels.
1219         (output_line_info): Get cold section label from function struct.
1220         (add_location_or_const_value_attribute): Likewise.
1221         (get_subprogram_die): Get hot/cold section labels from function struct.
1222         (dwarf2out_var_location): Likewise.
1223         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1224         write out cold_text_section_label if partition flag is set.
1225         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1226         * function.h (struct function): Add new fields to point to hot/cold
1227         section labels: hot_section_label, cold_section_label,
1228         hot_section_end_label and cold_section_end_label; also add new field
1229         for cold text section name, unlikely_text_section_name.
1230         * opts.c (decode_options): Turn off partitioning flag if
1231         !targetm.have_named_sections.
1232         * output.h (hot_section_label): Remove.
1233         (hot_section_end_label): Remove.
1234         (cold_section_end_label): Remove.
1235         (unlikely_section_label): Remove.
1236         (unlikely_text_section_name): Remove.
1237         * passes.c (rest_of_handle_final):  Remove code that frees
1238         unlikely_text_section_name.
1239         * varasm.c (unlikely_section_label): Remove.
1240         (hot_section_label): Remove.
1241         (hot_section_end_label): Remove.
1242         (cold_section_end_label): Remove.
1243         (unlikely_text_section_name):  Remove.
1244         (initialize_cold_section_name): Modify to call
1245         targetm.strip_name_encoding; to store cold section name in current
1246         function struct, if it exists; and to only use the decl_section_name
1247         if flag_named_sections is true.
1248         (unlikely_text_section): Modify to get section name out of current
1249         function struct, if there is one; otherwise build it from
1250         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1251         (in_unlikely_text_section): Likewise.
1252         (named_section): Modify to get/put cold section name in current function
1253         struct, if there is one.
1254         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1255         targetm.have_named_sections before calling named_section.
1256         (current_function_section): Likewise.
1257         (assemble_start_function): Modify to get/put unlikely_text_section_name
1258         in current function struct; modify to get hot/cold section labels
1259         from function struct; initialize labels using
1260         ASM_GENERATE_INTERNAL_LABEL;
1261         test partitioning flag before writing out hot section label.
1262         (assemble_end_function): Test partitioning flag before writing out
1263         hot/cold section labels.
1264         (default_section_type_flags_1):  Modify to use array instead of
1265          char* for unlikely_text_section_name; set flags correctly for
1266          cold text section if there is not a current function decl.
1267
1268 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1269
1270         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1271         and TI_VA_LIST_FPR_COUNTER_FIELD.
1272         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1273         * tree-pass.h (pass_stdarg): Add.
1274         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1275         * tree-stdarg.c: New file.
1276         * tree-stdarg.h: New file.
1277         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1278         (tree-stdarg.o): Add dependencies.
1279         * function.h (struct function): Add va_list_gpr_size and
1280         va_list_fpr_size fields.
1281         * function.c (allocate_struct_function): Initialize them.
1282         * target.h (struct gcc_target): Add stdarg_optimize_hook.
1283         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1284         (TARGET_INITIALIZER): Add it.
1285
1286         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1287         va_list_{g,f}pr_counter_field.
1288         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1289         area will not be used.  Only save registers that tree-stdarg.c
1290         detected they need saving.
1291         (ix86_va_start): Don't set up fields that won't be used.
1292
1293         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1294         va_list_{g,f}pr_counter_field.
1295         (setup_incoming_varargs): Don't do anything if reg_save
1296         area will not be used.  Only save registers that tree-stdarg.c
1297         detected they need saving.
1298         (rs6000_va_start): Don't set up fields that won't be used.
1299
1300         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
1301         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
1302         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
1303         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1304
1305 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1306
1307         PR target/20795
1308         * config/i386/i386.c (construct_container): Pass empty aligned
1309         struct, union or class in memory.
1310
1311 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
1312
1313         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
1314         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
1315         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
1316         config/rs6000/predicates.md: Fix comment typos.
1317
1318         * sched-int.h (haifa_insn_data): Remove blockage and units.
1319         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
1320         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
1321         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
1322
1323 2005-04-09  Jan Hubicka  <jh@suse.cz>
1324             Steven Bosscher  <stevenb@suse.de>
1325
1326         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
1327         * cfgloop.c (get_loop_exit_edges): Likewise.
1328         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
1329         (unloop): Likewise.
1330         * loop-unroll.c (analyze_insns_in_loop): Likewise.
1331         * tree-cfg.c (dump_cfg_status): Likewise.
1332
1333 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
1334
1335         * config/rs6000/predicates.md (altivec_register_operand): Remove
1336         redundant match_code test.
1337         (gpc_reg_operand): Same.
1338         (cc_reg_operand): Same.
1339         (cc_reg_not_cr0_operand): Same.
1340
1341 2005-04-09  Jan Hubicka  <jh@suse.cz>
1342
1343         Forgotten hunk from my last merge patch:
1344         * final.c (output_addr_const): Do not call mark_referenced.
1345
1346 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
1347
1348         * doc/tree-ssa.texi: Add immediate use documentation.
1349
1350 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
1351
1352         * arm.c (FL_WBUF): Define.
1353         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
1354         (arm_is_6_or_7): Delete.
1355         (arm_tune_wbuf): New.
1356         (arm_override_options): Set arm_tune_wbuf.
1357         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
1358         (arm_is_6_or_7): Delete declaration.
1359         (arm_tune_wbuf): New declartion.
1360         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
1361         (model_wbuf): Derive from arm_tune_wbuf.
1362         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
1363         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
1364         (arm740t): Mark CPUs as having a write buffer.
1365
1366 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1367
1368         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
1369         of 'const_double_operand' in operand 2 constraints.  Update enable
1370         condition.
1371
1372 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1373
1374         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
1375         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
1376         * optabs.h (enum optab_index): Add new OTI_lfloor.
1377         (lfloor_optab): Define corresponding macro.
1378         * optabs.c (init_optabs): Initialize lfloor_optab.
1379         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
1380         and lfloordi2 patterns.
1381         * builtins.c (expand_builtin_int_roundingfn): New prototype.
1382         (expand_builtin_int_roundingfn): New function.
1383         (fold_builtin_int_roundingfn): New prototype.
1384         (fold_builtin_int_roundingfn): New function, renamed from
1385         fold_builtin_lround.
1386         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
1387         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
1388         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
1389         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
1390         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
1391         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
1392         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
1393         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
1394         into lfloor built-in function and (long long int)floor{,f,l} into
1395         llfloor built-in function.
1396         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
1397         BUILT_IN_LLFLOOR.
1398
1399 2005-04-08  Ian Lance Taylor  <ian@airs.com>
1400
1401         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
1402         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
1403         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
1404         (DO_COND, DO_BODY): Likewise.
1405         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
1406         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
1407         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
1408         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
1409         (build_continue_stmt, build_break_stmt): Don't declare.
1410         (c_do_switch_warnings): Update declaration.
1411         * c-gimplify.c (enum bc_t): Remove.
1412         (struct c_gimplify_ctx, ctxp): Remove.
1413         (push_context, pop_context): Remove static functions.
1414         (c_genericize): Don't call push_context or pop_context.
1415         (begin_bc_block, finish_bc_block): Remove static functions.
1416         (build_bc_goto): Likewise.
1417         (gimplify_c_loop): Likewise.
1418         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
1419         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
1420         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
1421         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
1422         * c-common.c (c_do_switch_warnings): Rename from
1423         c_do_switch_warnings_1.
1424         (c_do_switch_warnings) [old version]: Remove.
1425         (c_do_switch_expr_warnings): Remove.
1426         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
1427         function instead of c_do_switch_expr_warnings.
1428         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
1429         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
1430         * c-pretty-print.c (pp_c_statement): Likewise.
1431         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
1432
1433 2005-04-08  Devang Patel  <dpatel@apple.com>
1434
1435         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
1436         While selecting replacement condition pay attention to loop header.
1437
1438 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
1439
1440         Merge from tree-cleanup-branch: VRP, store CCP, store
1441             copy-prop, incremental SSA updating of FUD chains and
1442             newly exposed symbols.
1443
1444         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
1445         (OBJS-common): Add tree-vrp.o.
1446         (tree-vrp.o): New rule.
1447         * basic-block.h (nearest_common_dominator_for_set): Declare.
1448         * common.opt (ftree-store-ccp): New flag.
1449         (ftree-copy-prop): New flag.
1450         (ftree-vrp): New flag.
1451         (ftree-store-copy-prop): New flag.
1452         * dominance.c (nearest_common_dominator_for_set): New.
1453         * domwalk.c (walk_dominator_tree): Only traverse
1454         statements in blocks marked in walk_data->interesting_blocks.
1455         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
1456         * fold-const.c (fold): Handle ASSERT_EXPR.
1457         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
1458         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
1459         flag_tree_vrp at -O2.
1460         * timevar.def (TV_TREE_VRP): Define.
1461         (TV_TREE_COPY_PROP): Define.
1462         (TV_TREE_STORE_COPY_PROP): Define.
1463         (TV_TREE_SSA_INCREMENTAL): Define.
1464         (TV_TREE_STORE_CCP): Define.
1465         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
1466         to kill_redundant_phi_nodes from comment.
1467         (verify_expr): Handle ASSERT_EXPR.
1468         * tree-dfa.c (mark_new_vars_to_rename): Remove second
1469         argument.  Update all users.
1470         (mark_call_clobbered_vars_to_rename): Remove.  Update all
1471         users.
1472         * tree-flow-inline.h (unmodifiable_var_p): New.
1473         * tree-flow.h (enum value_range_type): Declare.
1474         (struct value_range_def): Declare.
1475         (value_range): Declare.
1476         (remove_all_phi_nodes_for): Remove.  Update all users.
1477         (find_phi_node_for): Declare.
1478         (add_type_alias): Declare.
1479         (count_uses_and_derefs): Declare.
1480         (kill_redundant_phi_nodes): Remove.
1481         (rewrite_into_ssa): Remove.
1482         (rewrite_def_def_chains): Remove.
1483         (update_ssa, register_new_name_mapping, create_new_def_for,
1484         need_ssa_update_p, name_registered_for_update_p,
1485         release_ssa_name_after_update_ssa, dump_repl_tbl,
1486         debug_repl_tbl, dump_names_replaced_by,
1487         debug_names_replaced_by, mark_sym_for_renaming,
1488         mark_set_for_renaming, get_current_def, set_current_def,
1489         get_value_range, dump_value_range, debug_value_range,
1490         dump_all_value_ranges, debug_all_value_ranges,
1491         expr_computes_nonzero, loop_depth_of_name,
1492         unmodifiable_var_p): Declare.
1493         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1494         ASSERT_EXPR.
1495         * tree-into-ssa.c (block_defs_stack): Update comment.
1496         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1497         syms_to_rename, names_to_release, repl_tbl,
1498         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1499         need_to_replace_names_p): New locals.
1500         (NAME_SETS_GROWTH_FACTOR): Define.
1501         (struct repl_map_d): Declare.
1502         (struct mark_def_sites_global_data): Add field
1503         interesting_blocks.
1504         (enum rewrite_mode): Declare.
1505         (REGISTER_DEFS_IN_THIS_STMT): Define.
1506         (compute_global_livein): Use last_basic_block instead of
1507         n_basic_blocks.
1508         (set_def_block): Remove last argument.  Update all callers.
1509         (prepare_use_operand_for_rename): Remove.  Update all callers.
1510         (prepare_def_operand_for_rename): Remove.  Update all callers.
1511         (symbol_marked_for_renaming): New.
1512         (is_old_name): New.
1513         (is_new_name): New.
1514         (repl_map_hash): New.
1515         (repl_map_eq): New.
1516         (repl_map_free): New.
1517         (names_replaced_by): New.
1518         (add_to_repl_tbl): New.
1519         (add_new_name_mapping): New.
1520         (mark_def_sites): Assume that all the operands in the
1521         statement are in normal form.
1522         (find_idf): Assert that the block in the stack is valid.
1523         (get_default_def_for): New.
1524         (insert_phi_nodes_for): Add new argument 'update_p'.
1525         Add documentation.
1526         If update_p is true, add a new mapping between the LHS of
1527         each new PHI and the name that it replaces.
1528         (insert_phi_nodes_1): Only call find_idf if needed.
1529         (get_reaching_def): Call get_default_def_for.
1530         (rewrite_operand): Remove.
1531         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1532         and REWRITE_THIS_STMT are false.
1533         Assume that all the operands in the statement are in
1534         normal form.
1535         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1536         (rewrite_virtual_phi_arguments): Remove.
1537         (invalidate_name_tags): Remove.
1538         (register_new_update_single, register_new_update_set,
1539         rewrite_update_init_block, replace_use,
1540         rewrite_update_fini_block, rewrite_update_stmt,
1541         rewrite_update_phi_arguments): New.
1542         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1543         Add arguments 'entry', 'what' and 'blocks'.
1544         Initialize the dominator walker according to 'what' and
1545         'blocks'.
1546         Start the dominator walk at 'entry'.
1547         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1548         Use it to configure the dominator walker.
1549         (rewrite_into_ssa): Remove argument 'all'.
1550         Make internal.
1551         (rewrite_all_into_ssa): Remove.
1552         (rewrite_def_def_chains): Remove.
1553         (mark_def_interesting, mark_use_interesting,
1554         prepare_phi_args_for_update, prepare_block_for_update,
1555         prepare_def_site_for, prepare_def_sites,
1556         dump_names_replaced_by, debug_names_replaced_by,
1557         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1558         delete_update_ssa, create_new_def_for,
1559         register_new_name_mapping, mark_sym_for_renaming,
1560         mark_set_for_renaming, need_ssa_update_p,
1561         name_registered_for_update_p, ssa_names_to_replace,
1562         release_ssa_name_after_update_ssa,
1563         insert_updated_phi_nodes_for, update_ssa): New.
1564         * tree-loop-linear.c (linear_transform_loops): Call
1565         update_ssa instead of rewrite_into_ssa.
1566         * tree-optimize.c (vars_to_rename): Remove.
1567         Update all users.
1568         (init_tree_optimization_passes): Replace
1569         pass_redundant_phi with pass_copy_prop.
1570         Add pass_vrp.
1571         Replace pass_ccp with pass_store_ccp.
1572         Add pass_store_copy_prop after pass_store_ccp.
1573         (execute_todo): If the TODO_ flags don't include updating
1574         the SSA form, assert that it does not need to be updated.
1575         Call update_ssa instead of rewrite_into_ssa and
1576         rewrite_def_def_chains.
1577         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1578         (tree_rest_of_compilation):
1579         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1580         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1581         TODO_cleanup_cfg): Renumber.
1582         (TODO_verify_loops, TODO_update_ssa,
1583         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1584         TODO_update_ssa_only_virtuals): Define.
1585         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1586         Declare.
1587         * tree-phinodes.c (make_phi_node): Update documentation.
1588         (remove_all_phi_nodes_for): Remove.
1589         (find_phi_node_for): New.
1590         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1591         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1592         (interpret_rhs_modify_expr): Likewise.
1593         * tree-sra.c (decide_instantiations): Mark all symbols in
1594         SRA_CANDIDATES for renaming.
1595         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1596         (mark_all_v_defs): New function.  Update all users to call it
1597         with the whole list of scalarized statements, not just the
1598         first one.
1599         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1600         (compute_flow_insensitive_aliasing): If the tag is
1601         unmodifiable and the variable isn't or vice-versa, don't
1602         make them alias of each other.
1603         (setup_pointers_and_addressables): If the type tag for
1604         VAR is about to change, mark the old one for renaming.
1605         (add_type_alias): New.
1606         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1607         (ccp_lattice_t): Rename from latticevalue.
1608         (value): Remove.  Update all users.
1609         (const_val): New local variable.
1610         (do_store_ccp): New local variable.
1611         (dump_lattice_value): Handle UNINITIALIZED.
1612         (debug_lattice_value): New.
1613         (get_default_value): Re-write.
1614         (set_lattice_value): Re-write.
1615         (def_to_varying): Remove.  Update all users.
1616         (likely_value): Return VARYING for statements that make
1617         stores when STORE_CCP is false.
1618         Return VARYING for any statement other than MODIFY_EXPR,
1619         COND_EXPR and SWITCH_EXPR.
1620         (ccp_initialize): Re-write.
1621         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1622         Move to tree-ssa-propagate.c.
1623         (ccp_lattice_meet): Handle memory stores when
1624         DO_STORE_CCP is true.
1625         (ccp_visit_phi_node): Likewise.
1626         (ccp_fold): Likewise.
1627         (evaluate_stmt): Likewise.
1628         (visit_assignment): Likewise.
1629         (ccp_visit_stmt): Likewise.
1630         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1631         into DO_STORE_CCP.
1632         (do_ssa_ccp): New.
1633         (pass_ccp): Use it.
1634         (do_ssa_store_ccp): New.
1635         (gate_store_ccp): New.
1636         (pass_store_ccp): Declare.
1637         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1638         (may_propagate_copy): Reformat.
1639         Don't abort if ORIG is a virtual and DEST isn't.
1640         If NEW does not have alias information but DEST does,
1641         copy it.
1642         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1643         copy_prop_kind, which_copy_prop): Declare.
1644         (stmt_may_generate_copy, get_copy_of_val,
1645         get_last_copy_of, set_copy_of_val, dump_copy_of,
1646         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1647         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1648         init_copy_prop, fini_copy_prop, execute_copy_prop,
1649         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1650         store_copy_prop): New.
1651         (pass_copy_prop, pass_store_copy_prop): Declare.
1652         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1653         'num_const_prop' and 'num_copy_prop'.
1654         (cprop_operand): Update them.
1655         (dump_dominator_optimization_stats): Dump them.
1656         (tree_ssa_dominator_optimize): Call update_ssa instead of
1657         rewrite_into_ssa.
1658         (loop_depth_of_name): Declare extern.
1659         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1660         values for LOW or HIGH.
1661         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1662         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1663         (cprop_operand): Only propagate if VAL != OP.
1664         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1665         statement for renaming.
1666         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1667         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1668         add_type_alias if necessary.
1669         Call mark_new_vars_to_rename.
1670         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1671         mark every statement updated, call update_ssa and
1672         rewrite_into_loop_closed_ssa.
1673         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1674         from LIVEIN if VAR is a virtual.
1675         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1676         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1677         (get_call_expr_operands): Reformat statement.
1678         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1679         symbols.
1680         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1681         SSA_NAME_VALUE for every name.
1682         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1683         get_value_loaded_by): New.
1684         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1685         substitute_and_fold): Move from tree-ssa-ccp.c.
1686         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1687         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1688         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1689         Declare.
1690         * tree-ssa.c (verify_use): Fix error message.
1691         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1692         check_phi_redundancy, kill_redundant_phi_nodes,
1693         pass_redundant_phi): Remove.  Update all users.
1694         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1695         add_type_alias, if necessary.
1696         * tree-vectorizer.h (struct _stmt_vect_info): Update
1697         documentation for field 'memtag'.
1698         * tree-vrp.c: New file.
1699         * tree.def (ASSERT_EXPR): Define.
1700         * tree.h (ASSERT_EXPR_VAR): Define.
1701         (ASSERT_EXPR_COND): Define.
1702         (SSA_NAME_VALUE_RANGE): Define.
1703         (struct tree_ssa_name): Add field 'value_range'.
1704         (PHI_REWRITTEN): Remove.
1705         (struct tree_phi_node): Remove field 'rewritten'.
1706         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1707         -ftree-store-copy-prop): Document.
1708         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1709         Document usage of update_ssa.
1710
1711 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1712
1713         PR target/20814
1714         * config/rs6000/predicates.md (altivec_register_operand): Accept
1715         SUBREG.
1716         (and64_operand): Do not limit CONST_INT to mask64_operand.
1717         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1718         (and_operand): Do not limit CONST_INT to mask_operand.
1719
1720 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1721
1722         PR rtl-optimization/20466
1723         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1724         for overlap of the address of each list member.
1725         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1726
1727 2005-04-08  Mike Stump  <mrs@apple.com>
1728
1729         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1730
1731         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1732         instead of 4.
1733
1734 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1735
1736         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1737
1738         * function.c (push_function_context_to): Don't set
1739         contains_functions.
1740         * function.h (function): Remove contains_functions.
1741         (current_function_contains_functions): Remove.
1742
1743         * function.h (function): Remove instrument_entry_exit.
1744         (current_function_instrument_entry_exit): Remove.
1745
1746         * function.h (nonlocal_labels): Remove.
1747
1748         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1749
1750         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1751         (check_attr_value, write_attr_get, write_expr_attr_cache,
1752         find_attr, make_internal_attr): Don't reference negative_ok or
1753         unsigned_p.
1754         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1755         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1756         (ATTR_STATIC): Adjust the value.
1757
1758         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1759
1760 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1761
1762         * config/s390/tpf.h (ASM_SPEC): Define.
1763
1764 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1765
1766         * tree-flow.h: Remove the prototype for
1767         redirect_immediate_uses.
1768         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1769
1770 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1771
1772         * arm.c (arm_const_double_by_parts): New function.
1773         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1774         * arm.md (define_split for 64-bit constants): Add another one.
1775
1776 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1777
1778         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1779
1780 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1781
1782         * system.h: Revert last change.
1783
1784 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1785
1786         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1787         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1788         (TARGET_SWITCHES): Delete.
1789         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1790         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1791         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1792         * config/xtensa/xtensa.opt: New file.
1793
1794 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1795
1796         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1797         * config/fp-bit.h: Tidy comments.
1798
1799 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1800
1801         * system.h: Poison PARAMS.
1802
1803 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1804
1805         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1806         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1807         (TARGET_SWITCHES): Delete.
1808         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1809         * config/vax/vax.opt: New file.
1810
1811 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1812
1813         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1814
1815 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1816
1817         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1818         define.
1819         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1820         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1821         Likewise.
1822
1823 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1824
1825         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1826         all immediate uses in PHI nodes.
1827
1828 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1829
1830         * arm.c (arm_const_double_inline_cost): Handle any constant by
1831         using gen_lowpart and gen_highpart_mode.
1832         (note_invalid_constants): All constants in an RTX with a constraint
1833         that permits memory are now pushed to the constant pool.
1834         (output_move_double): Delete code to handle reg to reg and
1835         constant to reg moves.
1836         (const_double_needs_minipool, output_mov_immediate): Delete.
1837         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1838         CONST_INT and CONST_VECTOR.
1839         * arm.md (ANY64): New mode macro.
1840         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1841         (movdf_soft_insn): Split reg-reg and const-reg moves.
1842         (split patterns for 64-bit constant and register moves): New.
1843         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1844         (cirrus_movdf_hard_insn): Likewise.
1845         * fpa.md (movdf_fpa): Likewise.
1846         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1847         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1848         constraints.
1849         (movv2si_internal_2): Likewise.
1850         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1851         (movdf_vfp): Likewise.
1852         * arm-protos.h (output_mov_immediate): Delete prototype.
1853
1854 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1855
1856         PR target/20093
1857         * simplify-rtx.c (simplify_unary_operation_1): Check
1858         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1859
1860 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1861
1862         PR target/20717
1863         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1864         ADDR_EXPR.
1865
1866 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1867
1868         * coverage.h (GCOV_TYPE_NODE): Delete.
1869         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1870         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1871         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1872         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1873         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1874
1875 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1876
1877         PR other/20792
1878         * Makefile.in (gcc.pot): Remove options.c dependency.
1879         * optc-gen.awk: Don't quote help strings with N_().
1880
1881 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1882
1883         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1884         the function returns a pointer type.
1885
1886 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1887
1888         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1889         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1890         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1891         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1892         explicit_uses members.
1893         (get_or_create_used_part_for): Initialize new fields.
1894         (fieldoff_compare): New function.
1895         (create_overlap_variables_for): Count number of fields, use
1896         heuristic to determine whether to create subvars for vars with
1897         only implicit uses.
1898         Sort the field list by offset and avoid creating duplicate SFT's.
1899
1900 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1901
1902         * c.opt (-F): Remove trailing whitespace from help string.
1903         (-finput-charset): Use a tab to separate the switch name and help
1904         string.
1905         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1906         (-ftree-vectorizer-verbose): Likewise.
1907
1908 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1909
1910         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1911         a PHI argument where a use occurs instead of all PHI arguments.
1912
1913 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1914
1915         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1916         scope.
1917
1918 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1919
1920         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1921         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1922         config/bfin/bfin.h: Fix comment typos.
1923
1924 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1925
1926         * doc/install.texi: Update the URL for Jacks.
1927         * doc/sourcebuild.texi: Likewise.
1928
1929 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1930
1931         PR target/17245
1932         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1933         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1934
1935 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1936
1937         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1938
1939 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1940
1941         * config/v850/v850-protos.h (override_options): Delete.
1942         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1943         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1944         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1945         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1946         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1947         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1948         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1949         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1950         (OVERRIDE_OPTIONS): Delete.
1951         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1952         (small_memory_info): Remove the value field.
1953         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1954         TARGET_NO_APP_REGS.
1955         * config/v850/v850.c (small_memory): Remove the value field.
1956         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1957         (override_options): Delete.
1958         (v850_handle_memory_option, v850_handle_option): New functions.
1959         * config/v850/v850.opt: New file.
1960
1961 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1962
1963         * config.host: Add a section for generic hosts, and a subsection
1964         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1965         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1966         * config/host-darwin.h: New.
1967         * config/x-darwin: New.
1968         * config/i386/host-i386-darwin.c: New.
1969         * config/i386/x-darwin: New.
1970         * config/rs6000/host-darwin.c: Include host-darwin.h.
1971         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1972         (darwin_rs6000_gt_pch_use_address): Likewise.
1973         * config/rs6000/x-darwin: Change name of .o built, update
1974         dependencies for changes to rs6000/host-darwin.c.
1975
1976 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1977
1978         PR target/17824
1979         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1980
1981 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1982
1983         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1984         split_loop_exit_edge instead of loop_split_edge_with.
1985
1986 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1987
1988         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1989         UNSPEC_SET_VSCR): New constants, used throughout.
1990         (*andc3_v4sf): New.
1991         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1992         Replace with...
1993         (altivec_vspltis<VI_char>): ... this pattern, using
1994         a QImode const_int_operand for the immediate.
1995         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1996         define_expands.
1997
1998 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1999
2000         PR target/17822
2001         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
2002
2003 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2004
2005         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
2006
2007 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2008
2009         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
2010         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
2011         macros as living in "this file" and not gcc.h.
2012
2013 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2014
2015         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
2016         -ftree-live_range_split.  Perhaps renamed at some point?
2017
2018 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2019
2020         PR target/20625
2021         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
2022         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
2023
2024 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2025
2026         * tree-flow.h (number_of_iterations_cond): Declaration removed.
2027         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
2028         (number_of_iterations_special): New function.
2029         (number_of_iterations_exit): Use number_of_iterations_special.
2030         Use simplify_using_outer_evolutions only at -O3.
2031         (number_of_iterations_cond, tree_simplify_using_condition,
2032         simplify_using_initial_conditions, loop_niter_by_eval,
2033         compare_trees, can_count_iv_in_wider_type_bound,
2034         simplify_using_outer_evolutions): Use fold_build.
2035
2036 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
2037
2038         * doc/install.texi (Configuration): Document --with-java-home.
2039
2040 2005-04-05  Richard Henderson  <rth@redhat.com>
2041
2042         PR target/20342
2043         PR target/20447
2044         * config/i386/i386.c (print_operand): Handle vector zeros.
2045         (ix86_split_to_parts): Handle CONST_VECTOR.
2046         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
2047         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
2048         what modes to tie for MMX and SSE registers.
2049         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
2050         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
2051         to vector modes as well.
2052         * config/i386/predicates.md (const0_operand): Handle VOIDmode
2053         properly as an input mode.
2054
2055 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2056
2057         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
2058
2059 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2060
2061         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
2062
2063 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2064
2065         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
2066         and local functions, set sse_nregs to 8 and float_in_sse.
2067         (function_arg_advance, function_arg): If float_in_sse, pass
2068         SFmode and DFmode arguments in SSE registers.
2069         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
2070
2071         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
2072         of -funit-at-a-time.
2073
2074 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2075
2076         * config/i386/i386-protos.h (ix86_function_value): Accept two
2077         arguments, like the target macro.
2078         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
2079         * config/i386/i386.c (ix86_function_value): Accept the second
2080         argument of the target macro.
2081         (ix86_function_ok_for_sibcall): Pass a function pointer to
2082         ix86_function_value.
2083         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
2084         call to ix86_value_regno).
2085         (ix86_value_regno): Add support for returning floating point values
2086         in SSE registers.
2087
2088 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2089
2090         PR tree-optimization/20076
2091         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
2092         that call __builtin_return or __builtin_apply_args.
2093
2094 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2095
2096         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2097         Use immediate use iterator.
2098         (stmt_is_bumper_for_loop): Use immediate use iterator.
2099         * predict.c (strip_builtin_expect): Use update_stmt.
2100         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
2101         on all elements of a STATEMENT_LIST.
2102         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
2103         (bsi_remove): Remove imm_use links and mark the stmt as modified.
2104         (bsi_replace): Mark stmt as modified and the update it.
2105         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2106         (expand_complex_libcal): Call update_stmt.
2107         (expand_complex_comparison): Call mark_stmt_modified.
2108         (expand_complex_operations_1): Call update_stmt_if_modified.
2109         (expand_vector_operations_1): Call mark_stmt_modified.
2110         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2111         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2112         add_immediate_use, redirect_immediate_use,
2113         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2114         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2115         (mark_new_vars_to_rename): Call update_stmt.
2116         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2117         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2118         Ignore PHI nodes.
2119         (unmodify_stmt): Delete.
2120         (update_stmt): New.  Force an update of a stmt.
2121         (update_stmt_if_modified): update a stmt if it is out of date.
2122         (get_stmt_operands): Verify stmt is NOT modified.
2123         (stmt_modified_p): Update comment.
2124         (delink_imm_use): Remove a use node from its immuse list.
2125         (link_imm_use_to_list): Link a use node to a specific list.
2126         (link_imm_use): Link a node to the correct list.
2127         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2128         it in the correct list, if appropriate.
2129         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2130         (relink_imm_use): Link a use node in place of another node in a list.
2131         (relink_imm_use_stmt): LInk a node in place of another node, and set
2132         the stmt pointer.
2133         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
2134         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
2135         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
2136         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
2137         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
2138         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
2139         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
2140         (has_zero_uses): New.  Return true if there are no uses of a var.
2141         (has_single_use): New.  Return true if there is only a single use of a
2142         variable.
2143         (single_imm_use): New.  Return the simgle immediate use.
2144         (num_imm_uses): New.  Return the number of immediate uses.
2145         (get_v_must_def_ops): Use is now a pointer.
2146         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2147         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2148         the use node.
2149         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2150         (delink_stmt_imm_use): Delink all immuses from a stmt.
2151         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
2152         * tree-flow.h (struct dataflow_d): Delete.
2153         (immediate_use_iterator_d): New.  Immediate use iterator struct.
2154         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
2155         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
2156         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
2157         iteration.
2158         (struct stmt_ann_d): Remove dataflow_t from struct.
2159         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
2160         (if_convertible_phi_p): Use FAST immuse iterator.
2161         (if_convertible_loop_p): Don't call compute_immediate_uses.
2162         (replace_phi_with_cond_modify_expr): Call update_stmt.
2163         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2164         update_stmt_if_modified.
2165         (rewrite_all_into_ssa): Initialize ssa operands.
2166         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2167         compute_immediate_uses.
2168         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2169         ssa_property is available.
2170         (execute_one_pass):  Change parameters passed to execute_todo.
2171         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2172         (remove_ssa_form): Call fini_ssa_operands.
2173         (insert_backedge_copies): Delete call to modify_stmt.
2174         * tree-phinodes.c (make_phi_node): Initialize use nodes.
2175         (release_phi_node): Delink any use nodes before releasing.
2176         (resize_phi_node): Relink any use nodes.
2177         (remove_phi_arg_num): Delink the use node.
2178         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2179         (remove_all_phi_nodes_for): Release phi node first.
2180         * tree-pretty-print.c (dump_generic_node): Print stmt address.
2181         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2182         (scalarize_use, scalarize_copy): Call update_stmt.
2183         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2184         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2185         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2186         (ccp_initialize): Remove call to compute_immediate_uses.
2187         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2188         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2189         stmts.
2190         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2191         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2192         (eliminate_redundant_computations): Call mark_stmt_modified.
2193         (cprop_operand): Call mark_stmt_modified.
2194         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2195         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2196         (dse_optimize_stmt): Use new immuse interface.
2197         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2198         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2199         (substitute_single_use_vars): Use new immuse interface.
2200         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
2201         and compute_immediate_uses.
2202         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
2203         interface.
2204         (rewrite_mem_refs): Call update_stmt.
2205         (determine_lsm): Remove call to compute_imm_uses and free_df.
2206         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
2207         (try_unroll_loop_completely): Call update_stmt.
2208         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
2209         (rewrite_use_compare): Call update_stmt.
2210         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
2211         (rewrite_use) : Call update_stmt.
2212         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
2213         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
2214         update_stmt.
2215         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
2216         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
2217         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
2218         use nodes.
2219         (initialize_vuse_operand): New.  Initialize a vuse operand.
2220         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
2221         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
2222         (finalize_ssa_defs): Use stmt parameter.
2223         (correct_use_link): Ensure a use node is in the correct list, and has
2224         the correct stmt pointer.
2225         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
2226         finalize_ssa_v_must_defs): Also initialize use nodes.
2227         (finalize_ssa_stmt_operands): Pass extra stmt operands.
2228         (build_ssa_operands): Seperate parsing from final operand construction.
2229         (parse_ssa_operands): New.  Parse entry point for operand building.
2230         (swap_tree_operands): New.  Swap 2 tree operands.
2231         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
2232         operands.
2233         (get_expr_operands): Call swap_tree_operands when needed.
2234         (copy_virtual_operands): Use initialize routines for virtual use ops.
2235         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
2236         (verify_abort): New.  Issue imm_use error.
2237         (verify_imm_links): New Verify imm_use links for a var.
2238         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
2239         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
2240         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
2241         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
2242         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
2243         (NULL_USE_OPERAND_P) Define.
2244         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
2245         use node.
2246         (struct vuse_operand_type): New struct.
2247         (SET_USE): Call set_ssa_use_from_ptr.
2248         (USE_STMT): Define.
2249         (PHI_ARG_INDEX_FROM_USE): Define.
2250         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
2251         argument via SET_USE, not PHI_ARG_DEF_TREE.
2252         * tree-ssa-pre.c (eliminate): Call update_stmt.
2253         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
2254         call free_df.
2255         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
2256         (nearest_common_dominator_of_uses): Use imm_use iterator.
2257         (statement_sink_location): Use imm_use iterator and interface.
2258         (execute_sink_code): Don't call compute_immediate_uses or free-df.
2259         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
2260         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
2261         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
2262         (verify_ssa): Ensure no stmt is marked modify after optimization pass
2263         if new parameter is true.
2264         (init_tree_ssa): Don't initialize operand cache here.
2265         (delete_tree_ssa): Don't destroy operand cache here.
2266         (propagate_into_addr): Pass in a use pointer, return true if anything
2267         was changed.
2268         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
2269         (check_phi_redundancy): Use imm_use iterator.
2270         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
2271         free_df.
2272         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
2273         (release_ssa_name): Delink node and all elements in its imm_use list.
2274         * tree-tailcall.c (adjust_return_value): Call update_stmt.
2275         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
2276         * tree-vectorizer.c (need_imm_uses_for): Delete.
2277         (vectorize_loops): Dont call compute_immediate_uses or free_df.
2278         * tree.h (struct ssa_imm_use_d): Define.
2279         (SSA_NAME_IMM_USE_NODE): Define.
2280         (struct tree_ssa_name): Add imm_use node.
2281         (PHI_DF): Delete.
2282         (PHI_ARG_IMM_USE_NODE): Define.
2283         (struct phi_arg_d): Add imm_use node.
2284         (struct tree_phi_node): Remove struct dataflow_d element.
2285         (TDF_STMTADDR): Define.
2286
2287 2005-04-05  Dale Johannesen  <dalej@apple.com>
2288
2289         * doc/invoke.texi (Optimization Options):  Remove
2290         duplicate -fcse-follow-jumps.  Add -fweb.
2291         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
2292         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
2293
2294 2005-04-05  Per Bothner  <per@bothner.com>
2295
2296         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
2297         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
2298         (warn_uninit): Get EXPR_LOCUS from context now instead.
2299         This fixes a USE_MAPPED_LOCATION testsuite failure.
2300
2301         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
2302
2303 2005-04-05  Per Bothner  <per@bothner.com>
2304
2305         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
2306         of the artification 'return 0' in main() to BUILTINS_LOCATION.
2307         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
2308         before warning.
2309
2310 2004-04-05  Devang Patel  <dpatel@apple.com>
2311
2312         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
2313         (lhsr<mode>3): ... new name.
2314         (altivec_vsra<VI_char>): Rename to ..
2315         (ashr<mode>3): ... new name.
2316         * config/rs6000/rs6000.c (builtin_description): Rename shift
2317         operations.
2318
2319 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
2320
2321         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
2322         gen_lowpart_for_combine.
2323         * cse.c (gen_lowpart_if_possible): Move...
2324         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
2325         gen_lowpart_SUBREG.
2326         (gen_lowpart_no_emit_general): Use it.
2327
2328 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2329
2330         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
2331         overriding.
2332
2333 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2334
2335         * system.h: Fix typo.
2336
2337 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2338
2339         * config/bfin/bfin-modes.def: New file.
2340         * config/bfin/bfin-protos.h: New file.
2341         * config/bfin/bfin.c: New file.
2342         * config/bfin/bfin.h: New file.
2343         * config/bfin/bfin.md: New file.
2344         * config/bfin/bfin.opt: New file.
2345         * config/bfin/crti.s: New file.
2346         * config/bfin/crtn.s: New file.
2347         * config/bfin/elf.h: New file.
2348         * config/bfin/lib1funcs.asm: New file.
2349         * config/bfin/predicates.md: New file.
2350         * config/bfin/t-bfin: New file.
2351         * config/bfin/t-bfin-elf: New file.
2352         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
2353         Document new attributes.
2354         (interrupt, interrupt_handler, saveall): Update documentation for
2355         these attributes.
2356         * doc/install.texi (Specific): Add entry for the Blackfin.
2357         * doc/invoke.texi (Blackfin Options): New section.
2358         * doc/md.texi (Blackfin family): New section to document constraints.
2359         * config.gcc: Add bfin*-* and bfin*-elf configurations.
2360
2361 2005-04-05  Olivier Hainque  <hainque@adacore.com>
2362
2363         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
2364         match what the system unwinder expects.
2365         * config/mips/mips.c (mips_frame_set): If we're saving the return
2366         address register and the dwarf return address column number differs
2367         from the hard register number, adjust the note reg to refer to the
2368         former.
2369
2370 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
2371
2372         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
2373         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
2374         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2375         (processor_type): New enum.
2376         (mn10300_processor): New variable.
2377         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
2378         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
2379         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2380         (PROCESSOR_DEFAULT): New macro.
2381         * config/mn10300/mn10300.c (mn10300_processor): New variable.
2382         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2383         (mn10300_handle_option, mn10300_override_options): New functions.
2384         * config/mn10300/mn10300.opt: New file.
2385
2386 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2387             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
2388
2389         PR tree-optimization/19903
2390         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
2391         that don't fit in their type after conversion.
2392
2393 2005-04-05  Uros Bizjak <uros@kss-loka.si>
2394
2395         PR target/20421
2396         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
2397         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
2398         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
2399         flag here. Implement using define_insn_and_split.
2400         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
2401         (frndintxf2_mask_pm_i387): New insn patterns.
2402         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
2403         Do not set ix86_optimize_mode_switching flag.
2404         (ceilsf2, ceildf2, ceilxf2): Same.
2405         (btruncsf2, btruncdf2, btruncxf2): Same.
2406         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
2407
2408 2005-04-05  Ian Lance Taylor  <ian@airs.com>
2409
2410         PR debug/9963
2411         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
2412         i386_pe_record_external_function.
2413         (i386_pe_record_external_function): Update declaration.
2414         * config/i386/winnt.c (struct extern_list): Add decl field.
2415         (i386_pe_record_external_function): Add decl parameter.
2416         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
2417         identifier.
2418         * config/i386/i386-protos.h (i386_pe_record_external_function):
2419         Update declaration.
2420
2421 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
2422
2423         * config/m68k/m68k-protos.h: Add a prototype for
2424         valid_dbcc_comparison_p_2.
2425         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
2426         extend_operator, const_uint32_operand, const_sint32_operand,
2427         general_src_operand, nonimmediate_src_operand,
2428         memory_src_operand, post_inc_operand, pre_dec_operand,
2429         pcrel_address): Move to predicates to predicates.md.
2430         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
2431         * config/m68k/m68k.md: Include predicates.md.
2432         * config/m68k/predicates.md: New.
2433
2434 2005-04-04  Roger Sayle  <roger@eyesopen.com>
2435
2436         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
2437
2438         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
2439
2440 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2441
2442         * c-typeck.c (struct c_switch): Rename switch_stmt field to
2443         switch_expr.
2444         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
2445         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
2446         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
2447         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
2448         * c-common.c (c_do_switch_warnings_1): New static function broken
2449         out of c_do_switch_warnings.
2450         (c_do_switch_warnings): Call c_do_switch_warnings_1.
2451         (c_do_switch_expr_warnings): New function.
2452         * c-common.h (c_do_switch_expr_warnings): Declare.
2453
2454 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2455             Daniel Jacobowitz  <dan@codesourcery.com>
2456
2457         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
2458         trapping divide.
2459         * rtlanal.c (may_trap_p): Same.
2460
2461 2005-04-04  Dale Johannesen  <dalej@apple.com>
2462
2463         * ChangeLog:  remove reference to ChangeLog.12.
2464
2465 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
2466
2467         CRIS epilogue as RTL.
2468         * config/cris/cris.md: Change all 0 in unspec 0 to
2469         CRIS_UNSPEC_PLT.
2470         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
2471         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
2472         patterns.
2473         ("return"): Change to define_expand.  Call cris_expand_return for
2474         actual expansion.
2475         ("*return_expanded"): New pattern.
2476         ("epilogue"): New define_expand.
2477         * config/cris/cris.h (PREDICATE_CODES): Add
2478         cris_load_multiple_op.
2479         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
2480         type.
2481         (enum cris_retinsn_type): New.
2482         (struct machine_function): New member return_type.
2483         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
2484         (cris_target_asm_function_epilogue): Remove, moving RTLified
2485         contents to...
2486         (cris_expand_epilogue): New function.
2487         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2488         (cris_gen_movem_load, cris_load_multiple_op)
2489         (cris_return_address_on_stack_for_return, cris_expand_return): New
2490         functions.
2491         (cris_target_asm_function_prologue)
2492         (cris_initial_frame_pointer_offset): Call
2493         cris_reg_saved_in_regsave_area instead of complicated expression.
2494         Call cris_return_address_on_stack instead of an expression.
2495         (cris_print_operand) <case 'o', case 'O'>: New cases.
2496         (cris_return_address_on_stack): Change return-type to bool.
2497         (cris_simple_epilogue): Ditto.  Return false if registers are
2498         saved.
2499         * config/cris/cris-protos.h (cris_simple_epilogue)
2500         (cris_return_address_on_stack): Adjust prototype return type.
2501         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2502         (cris_return_address_on_stack_for_return): New prototypes.
2503
2504 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2505
2506         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2507         gpr_or_int12_operand.
2508
2509         * config/frv/frv-protos.h: Add a prototype to
2510         frv_legitimate_memory_operand and frv_const_unspec_p.
2511         (frv_unspec): Move from frv.c.
2512         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2513         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2514         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2515         gpr_or_fpr_operand, gpr_or_int12_operand,
2516         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2517         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2518         int6_operand, int5_operand, uint5_operand, uint4_operand,
2519         uint1_operand, int_2word_operand, uint16_operand,
2520         upper_int16_operand, integer_register_operand,
2521         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2522         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2523         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2524         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2525         move_destination_operand, movcc_fp_destination_operand,
2526         frv_function_symbol_referenced_p, move_source_operand,
2527         condexec_dest_operand, condexec_source_operand,
2528         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2529         const_unspec_operand, gpr_or_memory_operand,
2530         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2531         icc_operand, fcc_operand, cc_operand, icr_operand,
2532         fcr_operand, cr_operand, call_operand, sibcall_operand,
2533         symbolic_operand, relational_operator,
2534         integer_relational_operator, float_relational_operator,
2535         ccr_eqne_operator, minmax_operator,
2536         condexec_si_binary_operator, condexec_si_media_operator,
2537         condexec_si_divide_operator, condexec_si_unary_operator,
2538         condexec_sf_conv_operator, condexec_sf_add_operator,
2539         condexec_memory_operand, intop_compare_operator, acc_operand,
2540         even_acc_operand, quad_acc_operand, accg_operand: Move to
2541         predicates.md.
2542         * config/frv/frv.h (PREDICATE_CODES): Remove.
2543         * config/frv/frv.md: Include predicates.md.
2544         * config/frv/predicates.md: New.
2545
2546 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2547
2548         PR target/19537
2549         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2550         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2551         (add_standard_iv_candidates_for_size): New function, extracting code
2552         from add_standard_iv_candidates and parameterizing it by type size.
2553         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2554
2555 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2556
2557         * system.h (GCOV_SIZE_TYPE): Unposion.
2558         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2559         (GCOV_TYPE_SIZE): ...this new macro.
2560         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2561         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2562         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2563         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2564         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2565         instead of unsigned_intSI_type_node.
2566         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2567         (rtl_gen_one_value_profiler_no_edge_manipulation)
2568         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2569         * value-prof.c: Include coverage.h.
2570
2571 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2572             Diego Novillo <dnovillo@redhat.com>
2573
2574         Fix PR tree-optimization/20703
2575         Fix PR tree-optimization/20725
2576
2577         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2578         (create_expression_by_pieces): Ditto.
2579         (valid_in_set): Ditto. Also handle tcc_declaration.
2580         (find_or_generate_expression): Handle comparison class.
2581         (insert_into_preds_of_block): Ditto.
2582         (insert_aux): Ditto.
2583         (create_value_expr_from): Handle comparison class, recursively
2584         handle reference nodes.
2585         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2586         (execute_pre): Fix spacing.
2587         (do_fre): Renamed to execute_fre.
2588
2589 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2590
2591         * doc/invoke.texi (SPARC options): Document that
2592         -mlittle-endian is not supported on Linux either.
2593
2594 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2595
2596         PR target/4198
2597         PR target/12027
2598         * config.gcc (Obsolete configurations): Remove
2599         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2600         (sparclite-*-coff*): Delete.
2601         (sparclite-*-elf*): Likewise.
2602         (sparc86x-*-elf*): Likewise.
2603         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2604         * config/sparc/lite.h: Delete.
2605         * config/sparc/litecoff.h: Likewise.
2606         * config/sparc/liteelf.h: Likewise.
2607         * config/sparc/sp86x-elf.h: Likewise.
2608         * config/sparc/t-sparclite: Likewise.
2609         * config/sparc/t-sp86x: Likewise.
2610
2611 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2612
2613         * config/s390/s390-protos.h: (s390_comparison,
2614         s390_alc_comparison, s390_slb_comparison, const0_operand,
2615         consttable_operand, larl_operand, s_operand,
2616         shift_count_operand, bras_sym_operand, load_multiple_operation,
2617         store_multiple_operation, s390_plus_operand): Remove prototypes.
2618         (s390_legitimate_address_without_index_p): New prototype.
2619         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2620         to s390.h.
2621         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2622         const0_operand, consttable_operand, larl_operand, s_operand,
2623         shift_count_operand, bras_sym_operand, load_multiple_operation,
2624         store_multiple_operation, s390_plus_operand): Move to
2625         predicates.md.
2626         (check_mode): Remove.
2627         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2628         s390-protos.h.
2629         (s390_legitimate_address_without_index_p): New.
2630         * config/s390/s390.h (PREDICATE_CODES): Remove.
2631         * config/s390/s390.md: Include predicates.md.
2632         * config/s390/predicates.md: New.
2633
2634 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2635
2636         PR target/20446
2637         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2638         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2639         (NEED_INDICATE_EXEC_STACK): Define to 1.
2640         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2641         (NEED_INDICATE_EXEC_STACK): Define to 1.
2642         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2643         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2644         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2645         (pic_helper_emitted_p): New global.
2646         (emit_pic_helper): New function extracted from...
2647         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2648         Do not call emit_pic_helper if delay_pic_helper is true.
2649         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2650         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2651         (sparc_file_end): New function.
2652
2653 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2654
2655         * config/mcore/mcore-protos.h: Remove the prototypes for
2656         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2657         mcore_general_movdst_operand, mcore_reload_operand,
2658         mcore_arith_J_operand, mcore_arith_K_operand,
2659         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2660         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2661         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2662         mcore_literal_K_operand, mcore_addsub_operand,
2663         mcore_compare_operand, mcore_load_multiple_operation,
2664         mcore_store_multiple_operation, mcore_call_address_operand.
2665         Add a prototype for const_ok_for_mcore.
2666         * config/mcore/mcore.c (mcore_call_address_operand,
2667         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2668         mcore_arith_reg_operand, mcore_reload_operand,
2669         mcore_arith_J_operand, mcore_arith_K_operand,
2670         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2671         mcore_arith_M_operand, mcore_arith_imm_operand,
2672         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2673         mcore_literal_K_operand, mcore_addsub_operand,
2674         mcore_compare_operand, mcore_load_multiple_operation,
2675         mcore_store_multiple_operation): Move to predicates.md.
2676         (const_ok_for_mcore): Export.
2677         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2678         * config/mcore/mcore.md: Include predicates.md.
2679         * config/mcore/predicates.md: New.
2680
2681         * config/mcore/predicates.md: Fix a comment typo.
2682
2683 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2684             Adrian Straetling  <straetling@de.ibm.com>
2685
2686         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2687         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2688         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2689         attribute.
2690         ("imul"): Removed from "type" attribute.
2691         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2692         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
2693         Changed type to imulsi.
2694         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2695
2696 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2697
2698         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2699         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2700         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2701         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2702         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2703         (TARGET_SWITCHES, mcore_stack_increment_string)
2704         (TARGET_OPTIONS): Delete.
2705         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2706         than *_BIT constants.
2707         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2708         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2709         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2710         (mcore_override_options): Delete mcore_stack_increment code.
2711         Change use of M340_BIT to MASK_M340.
2712         * config/mcore/mcore.opt: New file.
2713
2714 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2715
2716         * config/arm/arm.c (replace_symbols_in_block): Remove static
2717         function.
2718
2719 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2720
2721         * config/fr30/fr30-protos.h: Remove the prototypes for
2722         stack_add_operand, add_immediate_operand,
2723         high_register_operand, low_register_operand, call_operand,
2724         di_operand, and nonimmediate_di_operand.
2725         * config/fr30/fr30.c (stack_add_operand,
2726         add_immediate_operand, high_register_operand,
2727         low_register_operand, call_operand, di_operand,
2728         nonimmediate_di_operand): Move to predicates.md.
2729         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2730         * config/fr30/fr30.md: Include predicates.md.
2731         * config/fr30/predicates.md: New.
2732
2733         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2734         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2735         mcore_call_address_operand.
2736
2737         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2738         general_movsrc_operand.
2739
2740 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2741
2742         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2743         after freeing.
2744
2745 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2746
2747         PR target/14812
2748         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2749         a negated value.
2750
2751 2005-04-04  Richard Henderson  <rth@redhat.com>
2752             Jakub Jelinek  <jakub@redhat.com>
2753
2754         PR rtl-optimization/16104
2755         * fold-const.c (fold_unary): Fix folding of vector conversions.
2756
2757 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2758
2759         * config.gcc (xstormy16-*-elf): Set extra_options.
2760         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2761         * config/stormy16/stormy16.opt: New file.
2762
2763 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2764
2765         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2766         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2767         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2768         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2769         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2770         (TARGET_UNIX_ASM): Delete.
2771         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2772         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2773         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2774         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2775         * config/pdp11/pdp11.opt: New file.
2776
2777 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2778             Alexandre Oliva  <aoliva@redhat.com>
2779
2780         PR c++/19199
2781         * fold-const.c (non_lvalue): Split tests into...
2782         (maybe_lvalue_p): New function.
2783         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2784         C++ front-end prior to lowering into gimple form.
2785
2786 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2787
2788         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2789         BUILT_IN_STRNCASECMP): New.
2790         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2791         and strndup.
2792
2793 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2794
2795         PR target/14812
2796         * arm.md (addsi3_compare0_for_combiner): Delete.
2797         (addsi3_compare0_scratch_for_combiner): Delete.
2798         (cmpsi_neg_shiftsi): Delete.
2799         (compare_negsi_si): New pattern.
2800         (cmpsi_negshiftsi_si): New pattern.
2801         (negated_cbranchsi4): Restrict to equality_operator.
2802
2803         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2804         template.
2805
2806 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2807
2808         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2809         Fix comment typos.
2810
2811         * doc/install.texi: Fix a typo.
2812
2813 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2814
2815         PR middle-end/20648
2816         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2817         a computed goto if the edge to the computed goto block has
2818         incoming abnormal edges.  Clarify how the function works.
2819
2820 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2821
2822         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2823         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2824         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2825         hash_scan_set, reg_set_between_after_reload_p,
2826         reg_used_between_after_reload_p, get_avail_load_store_reg,
2827         eliminate_partially_redundant_load): Likewise.
2828         * postreload.c (reload_cse_simplify_set,
2829         reload_combine_note_use): Likewise.
2830         * predict.c (predict_insn, expected_value_to_br_prob,
2831         propagate_freq, expensive_function_p): Likewise.
2832         * print-rtl.c (print_rtx): Likewise.
2833         * profile.c (instrument_edges, instrument_values,
2834         compute_branch_probabilities, branch_prob, union_groups,
2835         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2836         * protoize.c (in_system_include_dir, file_could_be_converted,
2837         file_normally_convertible, gen_aux_info_file, seek_to_line,
2838         do_cleaning): Likewise.
2839         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2840         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2841         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2842
2843 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2844
2845         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2846         * modulo-sched.c (undo_replace_buff_elem): New structure.
2847         (kernel_number_of_cycles, ps_unschedule_node,
2848         undo_generate_reg_moves,free_undo_replace_buff,
2849         undo_permute_partial_schedule,  loop_single_full_bb_p,
2850         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2851         build_loops_structure, get_sched_window): New.
2852         (generate_reg_moves): Return undo_replace_buff_elem and other
2853         fixes.
2854         (generate_prolog_epilog): Remove old loop versioning.
2855         (sms_schedule): Use loop information and loop_version.
2856         (sms_schedule_by_order): Split part of it to get_sched_window.
2857         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2858         cfg_layout_finalize and free_dominance_info before/after SMS.
2859
2860 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2861
2862         * cfghooks.c (lv_flush_pending_stmts,
2863         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2864         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2865         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2866         lv_add_condition_to_bb,
2867         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2868         flush_pending_stmts): New in cfg_hooks structure.
2869         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2870         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2871         lv_add_condition_to_bb): New declarations.
2872         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2873         bool.
2874         (loop_version): Declare.
2875         * cfgloopmanip.c (cfghooks.h): Include.
2876         (duplicate_loop_to_header_edge): Change return type to bool.
2877         (loop_version, lv_adjust_loop_entry_edge): Move here.
2878         * cfgrtl.c (cfgloop.h): Include.
2879         (rtl_verify_flow_info_1): Fix.
2880         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2881         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2882         initialization.
2883         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2884         tree_lv_add_condition_to_bb): New.
2885         (tree_cfg_hooks): Add new hooks to initialization.
2886         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2887         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2888
2889 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2890
2891         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2892         xstormy16_below100_or_register,
2893         xstormy16_splittable_below100_or_register, and
2894         nonimmediate_nonstack_operand.
2895
2896         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2897         xstormy16_ineqsi_operator, equality_operator,
2898         inequality_operator, shift_operator,
2899         xstormy16_below100_operand, xstormy16_below100_or_register,
2900         xstormy16_splittable_below100_or_register,
2901         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2902         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2903         equality_operator, inequality_operator,
2904         xstormy16_below100_operand, xstormy16_below100_or_register,
2905         xstormy16_splittable_below100_or_register,
2906         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2907         nonimmediate_nonstack_operand, shift_operator): Move to
2908         predicates.md.
2909         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2910         * config/stormy16/stormy16.md: Include predicates.md.
2911         * config/stormy16/predicates.md: New.
2912
2913 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2914
2915         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2916         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2917         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2918         move_operand, power_of_2_operand): Move to predicates.md.
2919         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2920         PREDICATE_CODE): Remove.
2921         * config/iq2000/iq2000.md: Include predicates.md.
2922         * config/iq2000/predicates.md: New.
2923
2924 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2925
2926         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2927         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2928         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2929         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2930         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2931         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2932         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2933         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2934         (TARGET_M68HC11): Delete.
2935         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2936         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2937         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2938         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2939         (nb_soft_regs): Delete.
2940         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2941         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2942         and MASK_M6812 being set simultaneously.  Change the code that sets
2943         the default m68hc11_soft_reg_count to use integers instead of strings.
2944         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2945         m68hc11_soft_reg_count (which now has an int type) as the number
2946         of soft registers.
2947         * config/m68hc11/m68hc11.opt: New file.
2948
2949 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2950
2951         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2952         fp_displacement_operand, sp_displacement_operand.
2953
2954         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2955         m68hcc_auto_inc_p.
2956         Remove the prototypes for tst_operand, cmp_operand,
2957         stack_register_operand, d_register_operand,
2958         hard_addr_reg_operand, splitable_operand,
2959         m68hc11_logical_operator, m68hc11_arith_operator,
2960         m68hc11_non_shift_operator, m68hc11_shift_operator,
2961         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2962         non_push_operand, hard_reg_operand, and
2963         reg_or_some_mem_operand.
2964         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2965         extern.
2966         (tst_operand, cmp_operand, non_push_operand,
2967         splitable_operand, reg_or_some_mem_operand,
2968         stack_register_operand, d_register_operand,
2969         hard_addr_reg_operand, hard_reg_operand,
2970         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2971         m68hc11_arith_operator, m68hc11_non_shift_operator,
2972         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2973         predicates.md.
2974         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2975         * config/m68hc11/m68hc11.md: Include predicates.md.
2976         * config/m68hc11/predicates.md: New.
2977
2978 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2979
2980         PR debug/19345
2981         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2982         change checked in along with 2005-03-03's patch for debug/20253.
2983         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2984         (remap_decl): Insert type decl in map earlier.
2985
2986 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2987
2988         PR tree-optimization/20640
2989         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2990         post-dominator if it has phi nodes.
2991         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2992         before dead statements.
2993
2994 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2995
2996         PR middle-end/20491
2997         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2998
2999 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3000
3001         PR rtl-optimization/20290
3002         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
3003         in every iteration if the entry point is the exit test.
3004
3005 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
3006
3007         * config/cris/cris.md (attribute "length"): Define.
3008
3009 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
3010
3011         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
3012         (word_offset_memref_operand): New.
3013         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
3014         (indexed_or_indirect_operand): Delete.
3015         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
3016         (indexed_or_indirect_operand): Delete.
3017
3018         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
3019
3020         PR 20650
3021         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
3022         a register.
3023
3024         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
3025         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
3026
3027 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3028
3029         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
3030
3031 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3032
3033         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
3034         (rus, prus): Remove static variables.
3035         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
3036         (process_command): Permit report_times and use_pipes together.
3037
3038 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3039
3040         * c-decl.c (validate_proto_after_old_defn): Look at
3041         TYPE_MAIN_VARIANT of argument types.
3042
3043 2005-04-01  Paul Brook  <paul@codesourcery.com>
3044
3045         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
3046         (arm_output_function_epilogue): Allow call_via_SP.
3047         (thumb_call_via_reg, arm_file_end): Ditto.
3048         * config/arm/arm.h (struct machine_function): Include space for SP.
3049         (thumb_call_via_label): Update declaration.
3050
3051 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3052
3053         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
3054         doing a peephole optimization, once again put any notes in the
3055         proper position.
3056
3057 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3058
3059         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
3060
3061 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3062
3063         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
3064         (block_alloc, find_free_reg): Likewise.
3065         * loop-doloop.c (doloop_modify): Likewise.
3066         * loop-invariant.c (record_use): Likewise.
3067         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
3068         get_iv_value, canon_condition, eliminate_implied_condition,
3069         eliminate_implied_condition, simplify_using_initial_values,
3070         shorten_into_mode, canonicalize_iv_subregs,
3071         iv_number_of_iterations): Likewise.
3072         * loop-unroll.c (expand_var_during_unrolling): Likewise.
3073         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
3074         unswitch_loop): Likewise.
3075         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
3076         move_movables, replace_call_address, find_and_verify_loops,
3077         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
3078         record_giv, final_giv_value, general_induction_var,
3079         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
3080         loop_giv_dump): Likewise.
3081
3082         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
3083         GCOV_CHECK_WRITING): Remove.
3084         (gcov_position, gcov_rewrite): Use gcc_assert.
3085         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
3086         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
3087         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
3088         gcc_assert.
3089
3090 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3091
3092         * tree-inline.c: Fix a typo.
3093
3094 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3095
3096         * configure.ac (enable-checking): Explicitly set all variables for
3097         collective switch values.  Alphabetize variables. Rename
3098         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
3099         synonym for 'no'.
3100         * doc/install.texi (enable-checking): Update documentation.
3101         * configure: Rebuilt.
3102
3103 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3104
3105         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3106         possible.
3107
3108 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3109
3110         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3111         Also reject cases where this pattern will cause load delay stalls
3112         unless optimizing for size and it will produce a shorter sequence.
3113         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3114         variants to avoid pre-adjusting the base when possible.
3115
3116 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3117
3118         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3119         the frame and argument pointers.
3120         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3121         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3122         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3123         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3124         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3125         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3126
3127 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
3128
3129         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3130         with entry for selectany attribute.
3131         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3132         Declare.
3133         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3134         (i386_pe_asm_named_section): Handle sections generated by
3135         selectany attribute.
3136         * doc/extend.texi (selectany): Document attribute.
3137
3138 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
3139             Jan Hubicka  <jh@suse.cz>
3140
3141         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3142         to fix addresses involving EBP and ESP.
3143         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3144         for SUBREGed registers.
3145         (legitimate_address_p): Accept SUBREGed registers.
3146
3147 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
3148
3149         PR c++/19406
3150         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3151         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3152         for FIELD_DECLs.
3153
3154 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3155
3156         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3157
3158 2005-04-01  James E Wilson  <wilson@specifixinc.com>
3159
3160         PR c++/20505
3161         * dwarf2out.c (rtl_for_decl_init): New function.
3162         (rtl_for_decl_location): Extracted from here.
3163         (tree_add_const_value_attribute): Call rtl_for_decl_init and
3164         add_const_value_attribute.  Delete initializer_constant_valid_p call.
3165
3166 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3167
3168         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3169         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3170         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3171         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3172         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3173         config/i386/i386.md, config/rs6000/predicates.md,
3174         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3175         config/s390/s390.c, config/stormy16/stormy16.c,
3176         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3177         typos.
3178
3179 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3180
3181         PR c/17855
3182         * gimplify.c (gimplify_expr): Create a temporary for lvalue
3183         COND_EXPR and CALL_EXPR.
3184
3185 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3186
3187         PR target/20632
3188         * genautomata.c (first_cycle_unit_presence): Check all alternative
3189         states for unit presence.
3190
3191         * doc/md.texi: Remove remark about impossibility to query unit
3192         presence in non nondeterministic automaton state.
3193
3194         * config/ia64/ia64.c (get_template): Change order of unit querying.
3195
3196 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3197
3198         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3199         obsolete comment.
3200
3201 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
3202
3203         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
3204         flag for edges outside any loops.
3205
3206 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
3207
3208         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
3209
3210 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3211
3212         * tree-ssa-alias.c: Follow spelling conventions.
3213         * doc/tree-ssa.texi: Fix a typo.
3214
3215 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
3216
3217         * postreload-gcse.c: Include target.h.
3218         (gcse_after_reload_main): Return early if we cannot modify jumps.
3219         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
3220
3221 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
3222
3223         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
3224         expensive operations.
3225
3226 2005-03-31  Ian Lance Taylor  <ian@airs.com>
3227
3228         * collect2.c (lderrout): New variable.
3229         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
3230         if it is set, to stderr.
3231         (handler): Unlink lderrout if it is set.
3232         (dump_file): Add "to" parameter.  Change all callers.
3233         (main): Initialize lderrout.
3234         (collect_execute): Add errname parameter.  Change all callers.
3235         Rename redir parameter to outname.  Never pass
3236         PEX_STDERR_TO_STDOUT to pex_run.
3237         * collect2.h (collect_execute, dump_file): Update declarations.
3238         * tlink.c (tlink_execute): Add errname parameter.  Change all
3239         callers.
3240         (do_tlink): Check lderrout as well as ldout.
3241
3242 2005-03-31  Caroline Tice  <ctice@apple.com>
3243
3244         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
3245         (bb-reorder.o): Add errors.h to list of requirements.
3246         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
3247         profiledbootstrap flags.
3248         * bb-reorder.c (errors.h): Add new include.
3249         (struct bbro_basic_block_data_def): Add new field, in_trace.
3250         (add_unlikely_executed_notes):  Remove function.
3251         (mark_bb_for_unlikely_executed_section): Remove function.
3252         (insert_section_boundary_note): New function.
3253         (verify_hot_cold_block_grouping): New function.
3254         (push_to_next_round_p): Remove variables and tests that push all
3255         cold blocks to last round.
3256         (find_traces): Remove code that added extra round of trace finding
3257         when doing partitioning.
3258         (find_traces_1_round) :  Remove variable last_round;  add code to
3259         update new struct field, in_trace; correct trace_length where it was
3260         incorrect before (after call to copy_bb); change code that pushed all
3261         cold blocks to last round. Instead verify that all blocks going into
3262         a trace belong in the same partition.
3263         (connect_traces): Modify to connect the traces in two passes, if the
3264         function contains both hot and cold blocks.  The first pass connects
3265         all the traces for blocks in the partition that the first block in
3266         the function belongs to; the second pass connnects all the traces
3267         containing blocks that belong in the other partition.
3268         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
3269         code that automatically put the first block in a function into the
3270         hot partition if the function had any hot blocks.
3271         (fix_crossing_unconditional_branches): Check number of succ edges
3272         before attempting to get one.
3273         (fix_edges_for_rarely_executed_code):  Update comment describing
3274         function.
3275         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
3276         remove call to add_unlikely_executed_notes; add call to
3277         verify_hot_cold_block_grouping.
3278         (duplicate_computed_gotos): Don't change computed goto if it's a
3279         crossing edge.
3280         (partition_hot_cold_basic_blocks):  Update function comment.
3281         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
3282         condition.
3283         (try_forward_edges): Likewise.
3284         (merge_blocks_move_predecessor_nojumps): Likewise.
3285         (merge_blocks_move_successor_nojumps): Likewise.
3286         (merge_blocks_move): Likewise.
3287         (try_crossjump_bb): Likewise.
3288         * cfglayout.c (update_unlikely_executed_notes): Remove function.
3289         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
3290         notes to cold bb's; remove call to update_unlikely_executed_notes.
3291         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3292         NOTE_INSN_SWITCH_TEXT_SECTIONS.
3293         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
3294         function declaration.
3295         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
3296         from consideration.
3297         (rtl_can_merge_blocks): Remove redundancy from condition.
3298         (try_redirect_by_replacing_jump): Likewise.
3299         (force_nonfallthru_and_redirect): Remove code for adding
3300         UNLIKELY_EXECUTED_CODE notes to cold bb's.
3301         (commit_one_edge_insertion): Likewise.
3302         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
3303         * dbxout.c (FORCE_TEXT): Replace function_section with
3304         current_function_section.
3305         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
3306         function, switch_text_section.
3307         (struct xcoff_debug): Likewise.
3308         (dbxout_function_end): Add code to put out label diffs for both
3309         hot and cold sections.
3310         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
3311         for new debug_hooks funciton, switch_text_section..
3312         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
3313         switch_text_section.
3314         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
3315         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
3316         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
3317         dw_fde_switched_sections.
3318         (output_call_frame_info):  Add test to see if function switches text
3319         sections in the middle; if so, use appropriate extra hot and cold
3320         section labels to compute size deltas for the hot and cold sections.
3321         (dwarf2out_begin_prologue): Add code to initialize new fields in
3322         dw_fde_struct.
3323         (dwarf2out_switch_text_section): New function (invoked through
3324         debug_hook); updates new fields in dw_fde_struct appropriately and
3325         increments separate_line_info_table_in_use.
3326         (dwarf2_debug_hooks): Initialize switch_text_section function to be
3327         dwarf2out_switch_text_section.
3328         (struct var_loc_node): Add new field, section_label.
3329         (output_aranges): Add code to check whether in hot or cold section and
3330         use the appropriate label in calculating deltas.
3331         (output_ranges): Likewise.
3332         (output_line_info): Add code to check which section we're in and
3333         use appropriate hot/cold label.
3334         (add_location_or_constant_value_attribute): Likewise.
3335         (gen_subprogam_die): Modify arange attributes to use correct labels.
3336         (dwarf2out_begin_block): Change call to function_section into call to
3337         current_function_section.
3338         (dwarf2out_end_block): Likewise.
3339         (dwarf2out_source_line): Likewise.
3340         (dwarf2out_var_location): Add code to check whether in hot or cold
3341         section and use the appropriate label.
3342         * except.c (output_function_exception_table): Change call to
3343         function_section into call to current_function_section.
3344         * final.c (profile_function): Likewise.
3345         (scan_ahead_for_unlikely_executed_note): Remove function.
3346         (final_scan_insn):  Remove calls to
3347         scan_ahead_for_unlikely_executed_note, and related code for switching
3348         to cold section, except for the single time
3349         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
3350         debug_hooks->switch_text_sections; replace appropriate calls to
3351         function_section with calls to current_function_section.
3352         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
3353         test_bb to condition.
3354         (find_if_case_2): Likewise.
3355         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3356         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
3357         * opts.c (decode_options): Change warning about hot/cold partitioning
3358         with exceptionss to inform (so as not to cause bootstrap failures);
3359         remove warning about partitioning with DWARF debug info.
3360         * output.h (current_function_section): Add new function decl.
3361         (insert_section_boundary_note): Likewise.
3362         (enum in_section): Move this declaration here from varasm.c.
3363         (unlikely_section_label): Likewise.
3364         (unlikely_text_section_name): Likewise.
3365         (last_text_section_name): New global variable.
3366         (last_text_section): Likewise.
3367         (hot_section_label): Likewise.
3368         (hot_section_end_label): Likewise.
3369         (cold_section_end_label): Likewise.
3370         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
3371         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
3372         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
3373         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
3374         insn from consideration.
3375         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
3376         switch_text_section.
3377         * varasm.c (basic-block.h): Add new include.
3378         (unlikely_section_label_printed): Remove global variable.
3379         (unlikely_section_label): Make global variable not be static any more.
3380         (unlikely_text_section_name): Likewise.
3381         (hot_section_end_label): New global variable (not static)
3382         (first_function_block_is_cold): Likewise.
3383         (hot_section_label): Likewise.
3384         (cold_section_end_label): Likewise..
3385         (last_text_section): New global variable, not static.
3386         (last_text_section_name): New global variable, not static.
3387         (initialize_cold_section_name): New function.
3388         (enum in_section): Move declaration to output.h.
3389         (text_section): Update last_text_section.
3390         (unlikely_text_section): Replace code to determine cold section name
3391         with call to initialize_cold_section_name; Add code to update
3392         last_text_section; remove code for printing out label.
3393         (named_section_real): Add code to update last_text_section and
3394         last_text_section_name as appropriate.
3395         (function_section): Change test for 'unlikely' to depend on
3396         first_function_block_is_cold (moved old test to
3397         current_function_section).
3398         (current_function_section): New function.
3399         (assemble_start_function): Move code that frees
3400         unlikely_text_section_name; initialize hot_section_end_label;
3401         print hot and cold section labels at the start of the function;
3402         set first_function_block_is_cold, if appropriate; initialize l
3403         ast_text_section; add call to insert_section_boundary_note.
3404         (assemble_end_function):  Add code to write out hot and cold section
3405         end labels.
3406         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
3407         switch_text_section.
3408         * config/darwin.c (machopic_select_section): Replace incorrect
3409         function in base_funs; update reloc for cold sections if necessary.
3410         * config/darwin.h (SECTION_FUNCTION):  Add code to update
3411         last_text_section if appropriate.
3412         (text_unlikely_section): Remove.
3413         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
3414         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
3415         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
3416         partitioning for this architecture.
3417
3418 2005-03-31  Olivier Hainque  <hainque@adacore.com>
3419
3420         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
3421         defined and non-zero.
3422
3423 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3424
3425         PR c++/18644
3426         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
3427         semantics.
3428
3429 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3430
3431         PR target/20611
3432         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
3433         label operand.  Remove (use (unspec..)).  Don't emit a label on
3434         the offset word.
3435         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
3436         generate inline label for load_toc_v4_PIC_1b.
3437         (rs6000_emit_load_toc_table): Likewise.
3438
3439 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3440
3441         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
3442         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
3443
3444 2005-03-29  Devang Patel  <dpatel@apple.com>
3445
3446         * tree-sra.c (decide_block_copy): Disable scalarization of
3447         sub-elements.
3448
3449 2005-03-30  Stuart Hastings  <stuart@apple.com>
3450             Dale Johannesen  <dalej@apple.com>
3451
3452         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
3453         * print-tree.c (print_node):  Add case STATEMENT_LIST.
3454
3455 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3456
3457         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
3458         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
3459         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
3460         is given with "powerpc64*" or "all", or when --with-cpu chooses
3461         a 64-bit cpu.
3462
3463 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
3464
3465         PR debug/20268
3466         * dwarf2out.c (add_high_low_attributes): New function, extracted from
3467         gen_lexical_block_die.
3468         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
3469
3470 2005-03-31  Jan Hubicka  <jh@suse.cz>
3471
3472         2004-11-02  Jan Hubicka  <jh@suse.cz>
3473
3474         * cgraph.c (cgraph_varpool_node_name): New function.
3475         (dump_cgraph_varpool_node): New function.
3476         (dump_varpool): New function.
3477         * cgraphunit.c (cgraph_optimize): Dump varpool.
3478
3479         2004-10-16  Jan Hubicka  <jh@suse.cz>
3480
3481         * cgraph.c (decide_is_variable_needed): New function.
3482         (cgraph_varpool_finalize_decl): Use it.
3483         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
3484         unit-at-a-time.
3485         * final.c (output_addr_const): Do not call mark_referenced.
3486         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
3487         always go via cgraph.
3488         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3489         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3490         * tree-optimize.c (execute_inline): Mark functions called.
3491         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3492
3493         2004-10-11  Jan Hubicka  <jh@suse.cz>
3494
3495         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3496         (cgraph_varpool_last_needed_node): New static variable.
3497         (enqueue_needed_varpool_node): Break out from ...; add items to the
3498         end of queue; update first pointers.
3499         (cgraph_varpool_mark_needed_node): ... here.
3500         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3501         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3502         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3503         (cgraph_varpool_first_unanalyzed_node): Declare.
3504         * cgraphunit.c: Include output.h.
3505         (cgraph_varpool_analyze_pending_decls): New function.
3506         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3507         for errors, analyze pending decls.
3508         (cgraph_finalize_compilation_unit): Only analyze decls.
3509         (cgraph_optimize): Assemble the decls after expanding.
3510
3511 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3512
3513         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3514         subvars get marked properly in tags for grouping.
3515         (add_pointed_to_var): Mark only actual pointed to
3516         variables/subvars in addresses needed.
3517         (create_overlap_variables_for): Clear call clobbered on original
3518         variable.
3519         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3520         addresable vars with subvars into list.
3521         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3522         subvar should be.
3523
3524 2005-03-30  Richard Henderson  <rth@redhat.com>
3525
3526         * cgraph.h (struct cgraph_node): Add alias.
3527         * varasm.c (assemble_alias): Set it.
3528         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3529         avoid calling cgraph_expand_function.
3530
3531 2005-03-30  Tom Tromey  <tromey@redhat.com>
3532
3533         * tree.def (FILE_TYPE): Removed.
3534         * typeclass.h (enum type_class): Removed file_type_class.
3535         * dwarf2out.c (is_base_type): Updated.
3536         (gen_type_die): Likewise.
3537         * dbxout.c (dbxout_type): Updated.
3538         * builtins.c (type_to_class): Updated.
3539         * tree.c (type_contains_placeholder_1): Updated.
3540         * config/sparc/sparc.c (sparc_type_code): Updated.
3541         * config/ia64/ia64.c (hfa_element_mode): Updated.
3542         * expr.c (count_type_elements): Updated.
3543         * stor-layout.c (layout_type): Updated.
3544         * tree-inline.c (remap_type): Updated.
3545         * tree-pretty-print.c (dump_generic_node): Updated.
3546
3547 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3548
3549         * builtins.c (expand_builtin_powi): Fix mode of
3550         2nd argument to match int.
3551         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3552         2nd argument type to int.
3553         * libgcc2.c: Change prototype of __powi* functions to use
3554         int.
3555
3556 2005-03-30  Dale Johannesen  <dalej@apple.com>
3557
3558         PR middle-end/19225
3559         * calls.c (expand_call):  Flush pending deferrals before
3560         throwing call.
3561
3562 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3563
3564         PR c/772
3565         PR c/17913
3566         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3567         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3568         c_label_context, label_context_stack): New.
3569         * c-decl.c (define_label): Check for jumps into statement
3570         expressions.  Add label to list of defined labels.
3571         (start_function): Push context on label_context_stack.
3572         (finish_function): Pop context from label_context_stack.
3573         * c-typeck.c (label_context_stack): New.
3574         (c_finish_goto_label): Check for jumps into statement
3575         expressions.  Add label to list of jumped to labels.
3576         (struct c_switch): Add blocked_stmt_expr.
3577         (c_start_case): Initialize it.
3578         (do_case): Check it.
3579         (c_finish_case): Verify !blocked_stmt_expr.
3580         (c_begin_stmt_expr):  Push context on label_context_stack.
3581         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3582         as undefinable.
3583         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3584         defined in the statement expression and no longer jumpable to.
3585         Mark labels jumped to from just outside the statement expression
3586         as again definable.  Pop context from label_context_stack.
3587         * doc/extend.texi (Statement Exprs): Update.
3588
3589 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3590
3591         PR c/20368
3592         * c-decl.c (start_function): Check for old_decl being
3593         error_mark_node.
3594
3595 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3596
3597         * final.c (final): Remove prescan parameter.  Change all callers.
3598         (final_scan_insn): Remove prescan parameter.  Change all callers.
3599
3600 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3601
3602         * tree-vectorizer.c: Fix comment typos.
3603
3604 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3605
3606         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3607         as soon as a chrec_dont_know is detected.
3608
3609 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3610
3611         Merge from csl-arm-branch.
3612         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3613
3614         * tlink.c (recompile_files): Do not assume that "rename" can
3615         overwrite an existing file.
3616
3617 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3618
3619         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3620         * gcc/configure: Regenerate.
3621
3622 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3623
3624         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3625
3626         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3627
3628         * calls.c (struct arg_data): Update "partial" comment.
3629         (load_register_parameters): Update "nregs" comment.
3630
3631 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3632
3633         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3634         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3635         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3636         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3637         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3638         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3639         than target_flags & 0.
3640         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3641         (iq2000_arch, iq2000_parse_cpu): Delete.
3642         (TARGET_HANDLE_OPTION): Override default.
3643         (iq2000_handle_option): New function.
3644         (override_options): Remove -march= and -mcpu= handling.
3645         * config/iq2000/iq2000.opt: New file.
3646
3647 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3648
3649         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3650         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3651         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3652         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3653         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3654         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3655         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3656         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3657         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3658         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3659         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3660         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3661         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3662         (TARGET_OPTIONS): Delete.
3663         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3664         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3665         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3666         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3667         (c4x_cpu_version_string): Delete.
3668         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3669         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3670         equivalent -mcpu= option.
3671         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3672         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3673         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3674         or clearing the appropriate MASK_* bit.
3675         (c4x_file_start): Use c4x_cpu_version.
3676         * config/c4x/c4x.opt: New file.
3677
3678 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3679
3680         * doc/options.texi: Document the new MaskExists flag.
3681         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3682         if the option has the MaskExists flag.
3683
3684 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3685
3686         * opt-functions.awk (flag_set_p, test_flag): New functions.
3687         (switch_flags): Use them.
3688         * opth-gen.awk: Use flag_set_p to check for flags.
3689         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3690
3691 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3692
3693         * config.host (i[34567]86-*-mingw32*): Don't set
3694         host_can_use_collect2 to no.
3695
3696 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3697
3698         PR target/20203
3699         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3700         Remove convert_memory_address call duplicating that in memory_address.
3701
3702 2005-03-29  Richard Henderson  <rth@redhat.com>
3703
3704         PR c/20519
3705         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3706         (build_compound_literal): Likewise.  Propagate decl type into the
3707         initializer.
3708         (finish_decl): Likewise.  Use new return value from complete_array_type
3709         for zero sized arrays.
3710         (complete_array_type): Move ...
3711         * c-common.c (complete_array_type): ... here.  Change first argument
3712         to pointer-to-type-node.  Consistently use sizetype for the index
3713         except for zero sized arrays.  Detect zero sized arrays for pedantic
3714         mode diagnostics.  Create a new type node instead of modifying the
3715         old node in place.
3716         * c-tree.h (complete_array_type): Move decl ...
3717         * c-common.h (complete_array_type): ... here.
3718
3719 2005-03-29  Richard Henderson  <rth@redhat.com>
3720
3721         PR tree-opt/19108
3722         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3723
3724 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3725
3726         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3727         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3728         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3729         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3730
3731 2005-03-29  Eric Christopher  <echristo@redhat.com>
3732
3733         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3734         truthvalue conversion removal.
3735
3736 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3737
3738         PR bootstrap/14316
3739         * collect2.c: Never include <vfork.h>.
3740         (VFORK_STRING, vfork): Don't define.
3741         (pid): Remove global variable.
3742         (handler): Call raise instead of kill (getpid(), ...).
3743         (collect_wait): Add pex parameter.  Change all callers.  Use
3744         pex_get_status rather than pwait.
3745         (do_wait): Add pex parameter.  Change all callers.
3746         (collect_execute): Return struct pex_obj * rather than void.  Use
3747         pex routines rather than pexecute.
3748         (fork_execute): Get pex_obj from collect_execute, and pass it to
3749         do_wait.
3750         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3751         Only declare quit_handler if SIGQUIT is defined.
3752         (scan_libraries): Likewise.
3753         * collect2.h (collect_execute): Update declaration.
3754         (collect_wait): Update declaration.
3755         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3756         pass it to collect_wait.
3757
3758 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3759
3760         PR c/20672
3761         * c-parser.c (c_parser_compound_statement_nostart): Give error
3762         message for EOF instead of just setting parser->error.
3763
3764 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3765
3766         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3767         (slpeel_update_phi_nodes_for_guard1): New function.
3768         (slpeel_update_phi_nodes_for_guard2): New function.
3769         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3770         of slpeel_update_phi_nodes_for_guard.
3771         (vectorize_loops): Remove call to loop_closed_rewrite.
3772         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3773         assertion.
3774
3775 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3776
3777         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3778         (TARGET_LITTLE_ENDIAN): New macro.
3779         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3780         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3781         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3782         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3783         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3784         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3785         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3786         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3787         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3788         (TARGET_OPTIONS): Delete.
3789         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3790         (CACHE_FLUSH_TRAP): Turn into an integer.
3791         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3792         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3793         -mflush-trap is in use.
3794         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3795         (m32r_cache_flush_trap_string): Delete.
3796         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3797         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3798         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3799         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3800         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3801         -mmodel= and -msdata= handling from...
3802         (m32r_init): ...here.
3803         * config/m32r/m32r.opt: New file.
3804
3805 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3806
3807         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3808         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3809         * tree-vect-analyze.c (vect_object_analysis): additional parm
3810         pass back a "struct ptr_info_def *" with the points-to info.
3811         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3812         statement using info returned from vect_object_analysis.
3813         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3814         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3815         for virtual uses and defs when creating a replacement vector
3816         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3817         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3818         (vectorizable_store): copy_virtual_operands and update
3819         definition statements.
3820         (vectorizable_load): copy_virtual_operands.  Remove call to
3821         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3822         * tree-vectorizer.c (vectorize_loops): Remove calls to
3823         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3824         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3825         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3826         define macro STMT_VINFO_PTR_INFO for use in accessing.
3827         * tree.h add export of duplicate_ssa_name_ptr_info.
3828         * rs6000.c (altivec_init_builtins): Declare builtin function
3829         __builtin_altivec_mask_for_load to be "const".
3830
3831 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3832
3833         PR middle-end/20622
3834         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3835         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3836         assemble_variable on aliases.
3837         * varasm.c (assemble_alias): Set node->alias.
3838         * toplev.c (wrapup_global_declarations): Don't call
3839         rest_of_decl_compilation on aliases again.
3840
3841 2005-03-29  Paul Brook  <paul@codesourcery.com>
3842
3843         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3844         * config/arm/arm.c (arm_dbx_register_number): New function.
3845         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3846
3847 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3848
3849         PR middle-end/20263
3850         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3851         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3852
3853 2005-03-29  Dale Johannesen <dalej@apple.com>
3854
3855         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3856         $(TREE_H) and $(COVERAGE_H).
3857         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3858         * opts.c (common_handle_option): Enable tree-based value transforms.
3859         * toplev.c (process_options): Ditto.
3860         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3861         refers to references to this type.
3862         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3863         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3864         for may_be_more, may_be_less.
3865         (rtl_gen_pow2_profiler): Adjust.
3866         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3867         (rtl_gen_one_value_profiler): Adjust.
3868         (rtl_gen_const_delta_profiler): Adjust.
3869         * tree-profile.c (tree_gen_interval_profiler): Implement.
3870         (tree_gen_pow2_profiler): Ditto.
3871         (tree_gen_one_value_profiler): Ditto.
3872         (tree_profiling): New.
3873         (pass_tree_profile): Reference it.
3874         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3875         tree.h, gcov-io.h.
3876         (insn_divmod_values_to_profile): Rename to
3877         rtl_divmod_values_to_profile. Adjust.
3878         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3879         (insn_prefetch_values_to_profile): Adjust.
3880         (rtl_value_profile_transformations): Adjust.
3881         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3882         (gen_mod_pow2): Rename to rtl_mod_pow2.
3883         (gen_mod_subtract): Rename to rtl_mod_subtract.
3884         (divmod_fixed_value_transform): Rename to
3885         rtl_divmod_fixed_value_transform.
3886         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3887         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3888         (rtl_find_values_to_profile): Adjust.
3889         (tree_value_profile_transformations): Implement.
3890         (tree_divmod_values_to_profile): New.
3891         (tree_values_to_profile): New.
3892         (tree_divmod_fixed_value): New.
3893         (tree_mod_pow2): New.
3894         (tree_mod_subtract): New.
3895         (tree_divmod_fixed_value_transform): New.
3896         (tree_mod_pow2_value_transform): New.
3897         (tree_mod_subtract_transform): New.
3898         (tree_find_values_to_profile): Implement.
3899         * profile.c (instrument_values):  Free histograms.
3900         (compute_value_histograms): Adjust. Implement tree version.
3901
3902 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3903
3904         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3905         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3906         variable.  Output "fldcw" depending on round_mode.
3907         * config/i386/i386.md (UNSPEC_FIST): New.
3908         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3909         New isns patterns to implement lrint and llrint built-ins as x87
3910         intrinsic function.
3911         (fistdi2, fist<mode>2 splitters): New splitters.
3912         (lrint<mode>2): New expanders.
3913
3914 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3915
3916         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3917         0 when calling final_scan_insn.
3918
3919 2005-03-28  Jan Hubicka  <jh@suse.cz>
3920
3921         PR middle-end/20635
3922         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3923         as needed.
3924
3925         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3926         types where possible.
3927
3928 2005-03-26  Per Bothner  <per@bothner.com>
3929
3930         Make -f[no-]show-column also control non-cpp diagnostics.
3931         * c.opt (fshow-column): Move option from here ...
3932         * common.opt (fshow-column): ... to here.
3933         * diagnostic.c (diagnostic_build_prefix): Only print column number
3934         if flag_show_column.
3935
3936 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3937
3938         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3939         vax_output_conditional_branch): New prototypes.
3940         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3941         extracted from vax.md mov and add patterns.
3942         (vax_output_conditional_branch): New function to output conditional
3943         branch instructions.
3944         * vax.md: Use mode macros for arithmetic and mov patterns.
3945         Use code macros for the jump patterns.
3946
3947 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3948
3949         * Makefile.in (libbackend.o): Depend on version files;
3950         add custom generation command.
3951
3952 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3953
3954         PR target/20636
3955         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3956         sure that we have a REG before getting its REGNO.
3957
3958 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3959
3960         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3961         * builtins.def (BUILT_IN_STRNDUP): New.
3962
3963 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3964
3965         PR tree-optimization/20470
3966         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3967         ABS(x-y).
3968
3969 2005-03-25  Mike Stump  <mrs@apple.com>
3970
3971         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3972         sized objects.
3973
3974 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3975
3976         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3977         Use our own structure definitions.
3978
3979         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3980         (fix_truncdfsi2): Allow registers or memory as destination.
3981         When TARGET_PPC_GFXOPT, generate simplified pattern.
3982         (fix_truncdfsi2_internal): Use define_insn_and_split.
3983         (fix_truncdfsi2_internal_gfxopt): New.
3984         (fctiwz): Don't confuse register allocation by giving it no choices.
3985         (stfiwx): New.
3986         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3987         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3988         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3989         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3990
3991 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3992
3993         * dominance.c (free_dominance_info): Speed up by freeing et
3994         data structures without maintaining other nodes.
3995         * et-forest.c (et_free_tree_force): New.
3996         * et-forest.h: Add a prototype for et_free_tree_force.
3997
3998         * tree.c (get_set_constructor_bits,
3999         get_set_constructor_bytes): Remove.
4000         * tree.h: Remove the corresponding prototypes.
4001
4002 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4003
4004         PR target/15491
4005         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
4006         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
4007         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
4008         PRE_DEC, NEG and NOT.
4009
4010 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4011
4012         * fold-const.c: Convert uses of fold (build (...)) to
4013         fold_buildN.
4014
4015 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
4016
4017         PR rtl-optimization/20249
4018         * cse.c (insert_regs): Do not record equivalence of registers in
4019         different modes.
4020
4021 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
4022
4023         * emit-rtl.c (reverse_comparison): Remove.
4024         * rtl.h: Remove the corresponding prototype.
4025
4026 2005-03-24  James E Wilson  <wilson@specifixinc.com>
4027
4028         * doc/install.texi (--enable-altivec): Delete docs.
4029
4030 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
4031
4032         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
4033         SFmode and DFmode before reload when
4034         flag_unsafe_math_optimizations not enabled.
4035
4036 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
4037
4038         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
4039
4040         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
4041         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
4042
4043 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
4044
4045         * configure.ac (enable-checking): Add 'runtime' option.
4046         * doc/install.texi (enable-checking): Document 'runtime' checking.
4047         * tsystem.h (gcc_assert, gcc_unreachable): Define.
4048         * config.in: Regenerated.
4049         * configure: Regenerated.
4050
4051 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
4052
4053         * optabs.h (enum optab_index): Remove OTI_llrint.
4054         (llrint_optab): Remove macro.
4055         * optabs.c (init_optabs): Remove llrint_optab initialization.
4056         * genopinit.c (optabs): Remove llrint_optab implementation.
4057         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
4058         using lrint_optab.
4059
4060 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
4061
4062         PR rtl-optimization/20532
4063         * simplify-rtx.c (simplify_binary_operation_1): Protect from
4064         overflow when adding coefficients for PLUS or MINUS.
4065         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
4066         two as multiplier.
4067
4068 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4069
4070         * langhooks.h (truthvalue_conversion): Remove.
4071         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4072         LANG_HOOKS_TRUTHVALUE_CONVERSION.
4073         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
4074         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
4075         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
4076
4077 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
4078
4079         * params.def: Fix a typo.
4080         * config/mips/mips.c: Follow the spelling convensions.
4081         * doc/invoke.texi: Fix typos.
4082
4083 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
4084
4085         Fix PR tree-optimization/20601
4086
4087         * tree-ssa-pre.c (insert_aux): Add missing condition to
4088         constification.
4089
4090 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4091
4092         * final.c (final_scan_insn): Don't remove no-op instructions.
4093         * reload1.c (reload): Remove simple no-op instructions even when
4094         not optimizing.
4095
4096 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
4097
4098         PR tree-optimization/20501
4099         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
4100         reporting that peeling for alignment is applied moved to...
4101         * (vect_analyze_data_refs_alignment): Here.
4102
4103 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4104
4105         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4106
4107 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4108
4109         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4110         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4111
4112 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
4113
4114         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4115         imply that this is called once, independent of asms in code.
4116         Adjust to now being pased output and input lists.  Mention helper
4117         function decl_overlaps_hard_reg_set_p.
4118         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4119         hook_tree_tree_identity and to take three trees, returning third.
4120         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4121         prototype.
4122         * stmt.c: include hard-reg-set.h before tree.h.
4123         (decl_overlaps_hard_reg_set_p): New function, broken out from...
4124         (decl_conflicts_with_clobbers_p): Call
4125         decl_overlaps_hard_reg_set_p.
4126         (expand_asm_operands): Pass output and input lists in call to
4127         targetm.md_asm_clobbers.
4128         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4129         hook_tree_tree_tree_tree_3rd_identity.
4130         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4131         parameters.
4132         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4133         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4134         parameters, first two unused.
4135         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4136         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
4137         in constraint letters and MOF is not mentioned as a asm-declared
4138         register in neither of the input and output lists.
4139
4140 2005-03-23  DJ Delorie  <dj@redhat.com>
4141
4142         * optabs.c (expand_binop): Make sure the first subword's result
4143         gets stored.
4144
4145 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4146
4147         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4148         Call c_common_truthvalue_conversion rather than
4149         lang_hooks.truthvalue_conversion.
4150         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4151         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4152         c-typeck.c.
4153         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4154         c_common_truthvalue_conversion.
4155         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4156         c_parser_conditional_expression, c_parser_binary_expression): Call
4157         c_objc_common_truthvalue_conversion.
4158         * c-typeck.c (build_unary_op): Call
4159         c_objc_common_truthvalue_conversion.
4160         (build_conditional_expr): Do not call
4161         lang_hooks.truthvalue_conversion.
4162         (build_binary_op): Call c_common_truthvalue_conversion.
4163         (c_objc_common_truthvalue_conversion): Moved from
4164         c-objc-common.c.  Call default_function_array_conversion instead
4165         of default_conversion.
4166
4167 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4168
4169         * c-common.h (default_conversion): Remove.
4170         (perform_integral_promotions): Add.
4171         * c-tree.h (default_conversion): Add.
4172         * c-typeck.c (perform_integral_promotions): New, split out from
4173         default_conversion.
4174         * c-common.c (check_case_value): Use perform_integral_promotions,
4175         not default_conversion.
4176         (c_add_case_label): Don't continue processing case label after
4177         found to be pointer.
4178
4179 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
4180
4181         * gcc.c (do_spec_1): Do not add a -L path for a directory in
4182         the prefix list if we have already added a multilib directory
4183         based on that path.
4184         (main): Do not add MD_EXEC_PREFIX to the list of directories to
4185         search with -L.
4186
4187 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4188
4189         * reload1.c (indirect_symref_ok, reload_obstack): Make them
4190         static.
4191         * reload.h: Remove the prototype for indirect_symref_ok.
4192
4193         * reload1.c (indirect_symref_ok): Make it global.
4194         * reload.h: Add a prototype for indirect_symref_ok.
4195
4196 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4197
4198         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4199         ashlhi3 expander.
4200
4201 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4202
4203         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
4204
4205 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
4206
4207         * c-opts.c (c_common_parse_file): Only start/end main source file
4208         if debug hooks says the writer wants it.
4209         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
4210         member.
4211         (xcoff_debug_hooks): Ditto.
4212         * debug.c (do_nothing_hooks): Ditto.
4213         * debug.h (gcc_debug_hooks): Ditto.
4214         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
4215         * sdbout.c (sdb_debug_hooks): Ditto.
4216         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
4217
4218 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
4219
4220         * doc/extend.texi: Deprecate C++ min/max operators.
4221
4222 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
4223
4224         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
4225         artificial original candidates.
4226
4227 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
4228             Jan Hubicka  <jh@suse.cz>
4229             Steven Bosscher <stevenb@suse.de>
4230
4231         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
4232         call cost based on argument sizes.
4233         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
4234         inlining.
4235         * params.def: (max-inline-inssn-single): Set to 450.
4236         (max-inline-insns-auto): Set to 90.
4237         (max-inline-insns-recursive): Set to 450
4238         (max-inline-insns-recursive-auto): Set to 450.
4239         (large-function-insns): Set to 2700.
4240         (inline-call-cost): New parameter.
4241         * tree-inline.c (estimate_move_cost): New function.
4242         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
4243         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
4244         based on arguments.
4245         * tree-inline.h (estimate_move_cost): Declare.
4246         * invoke.texi: (max-inline-inssn-single): Change default to 450.
4247         (max-inline-insns-auto): Change default to 90.
4248         (max-inline-insns-recursive): Change default to 450
4249         (max-inline-insns-recursive-auto): Change default to 450.
4250         (large-function-insns): Change default to 2700.
4251         (inline-call-cost): Document new parameter.
4252
4253 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4254
4255         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
4256         (TARGET_DEFAULT): Delete.
4257         * config/i860/i860.opt: New file.
4258
4259 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4260
4261         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
4262         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4263         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4264         (frv_sched_lookahead): Delete.
4265         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
4266         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
4267         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
4268         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
4269         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
4270         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
4271         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
4272         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
4273         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
4274         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
4275         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
4276         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
4277         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
4278         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
4279         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
4280         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
4281         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
4282         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
4283         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
4284         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
4285         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
4286         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
4287         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
4288         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4289         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4290         (frv_sched_lookahead): Delete.
4291         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
4292         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4293         (frv_handle_option): New function.  Move -mcpu= handling from...
4294         (frv_override_options): ...here.  Remove handling of other
4295         TARGET_OPTIONS.
4296         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
4297         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
4298         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
4299         and TARGET_NO_MULTI_CE.
4300         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
4301         !TARGET_VLIW_BRANCH.
4302         * config/frv/frv.opt: New file.
4303
4304 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4305
4306         * fold-const.c (fold_ternary): Take decomposed arguments of
4307         CALL_EXPR.
4308         (fold): Update a call to fold_ternary.
4309
4310         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
4311         * tree.h: Add corresponding prototypes.
4312
4313 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
4314
4315         PR target/20561
4316         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
4317         between jump table and its label.
4318         * final.c (shorten_branches): Handle notes in between ADDR_VEC
4319         resp. ADDR_DIFF_VEC and the label preceeding it.
4320         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
4321         is emitted in the right section.
4322
4323 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4324
4325         * fold-const.c (fold_unary, fold_binary): Update comments
4326         about arguments.
4327
4328 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
4329
4330         PR rtl-optimization/20527
4331         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
4332         REG_INC note, test that the register also isn't mentioned in PRED
4333         or SUCC.
4334
4335 2005-03-22  Ben Elliston  <bje@au.ibm.com>
4336
4337         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
4338         and definition.
4339
4340 2005-03-21  Mike Stump  <mrs@apple.com>
4341
4342         * varasm.c (default_assemble_visibility): Remove extra ().
4343
4344 2005-03-21  Roger Sayle  <roger@eyesopen.com>
4345
4346         PR middle-end/20557
4347         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
4348         to determine whether a block can be duplicated, rather than test
4349         whether the block contains noncopyable insns ourselves.
4350
4351 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4352
4353         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
4354         predicates.
4355
4356 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4357
4358         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
4359
4360 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4361
4362         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
4363         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
4364         * config/fr30/fr30.opt: New file.
4365
4366 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
4367
4368         Fix PR tree-optimization/20542
4369
4370         * tree-flow-inline.h (overlap_subvar): Move to here.
4371         * tree-ssa-operands.c: From here.
4372         * tree-flow.h (overlap_subvar): Declare.
4373         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
4374         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
4375         for variables with subvars.
4376
4377 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
4378
4379         PR middle-end/20177
4380         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
4381         * modulo-sched.c (const_iteration_count): Return on NULL
4382         pre-header.
4383         (print_node_sched_params): Return on NULL dump_file.
4384         (generate_reg_moves): Handle reg-anti dependencies and disregard
4385         closing branch when generating register moves.
4386         (sms_schedule): Mark the SMSed block dirty.
4387         * passes.c (rest_of_handle_sms): Call update_life_info for all
4388         basic-blocks.
4389         * testsuite/gcc.dg/20050321-1.c: New test.
4390
4391 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4392
4393         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
4394         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4395         movqi_internal): Likewise.
4396
4397 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4398
4399         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4400         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
4401         xtensa_b4const): Delete prototypes.
4402         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
4403         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
4404         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
4405         xtensa_extra_constraint): New prototypes.
4406         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4407         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4408         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4409         move_operand, const_float_1_operand, fpmem_offset_operand,
4410         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
4411         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
4412         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
4413         argument type to HOST_WIDE_INT.
4414         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
4415         xtensa_mask_immediate): Likewise.
4416         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
4417         Likewise.  Also make these functions static.
4418         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
4419         (xtensa_const_ok_for_letter_p): New.
4420         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4421         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4422         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4423         move_operand, const_float_1_operand, fpmem_offset_operand,
4424         branch_operator, ubranch_operator, boolean_operator): Move to
4425         predicates.md.
4426         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
4427         (xtensa_mem_offset): Change return type to bool.
4428         (xtensa_extra_constraint): New.
4429         (gen_int_relational): Update type of const_range_p function pointer.
4430         Use xtensa_b4const_or_zero.
4431         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
4432         xtensa_const_ok_for_letter_p.  Update comments.
4433         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
4434         (PREDICATE_CODES): Delete.
4435         * config/xtensa/xtensa.md: Include predicates.md.
4436         * config/xtensa/predicates.md: New file.
4437
4438 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4439
4440         * config/v850/v850-protos.h: Remove the prototypes for
4441         reg_or_int9_operand, reg_or_const_operand,
4442         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
4443         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
4444         movsi_source_operand, power_of_two_operand,
4445         not_power_of_two_operand, special_symbolref_operand,
4446         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
4447         register_is_ok_for_epilogue.
4448         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
4449         reg_or_int9_operand, reg_or_const_operand,
4450         call_address_operand, special_symbolref_operand,
4451         movsi_source_operand, power_of_two_operand,
4452         not_power_of_two_operand, register_is_ok_for_epilogue,
4453         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
4454         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
4455         predicates.md.
4456         * config/v850/v850.h (PREDICATE_CODES): Remove.
4457         * config/v850/v850.md: Include predicates.md.
4458         * config/v850/predicates.md: New.
4459
4460 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
4461
4462         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
4463         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4464         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
4465         (itoolsdir, itoolsdatadir): Move definition above new first use.
4466         (install-itoolsdirs): New rule.
4467         (install-mkheaders): Depend on install-itoolsdirs, not
4468         install-include-dir.
4469
4470 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4471
4472         * tree-into-ssa.c: Remove obsolete comments.
4473
4474 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
4475
4476         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
4477         unrolling if -fpeel-loops is specified, too.
4478         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4479         Remove superfluous check for flag_unroll_loops.
4480
4481 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
4482
4483         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4484         (lrint_optab, llrint_optab): Define corresponding macros.
4485         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4486         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4487         pattern and llrint_optab using llrintdi2 patterns.
4488         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4489         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4490         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4491         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4492         flag_unsafe_math_optimizations is set.
4493
4494 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4495
4496         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4497         simplify_logical, if_then_else_cond, known_cond,
4498         simplify_comparison): Adjust calls to reverse_comparison.
4499         Don't use combine_reversed_comparison_code).
4500         (combine_reversed_comparison_code): Remove.
4501         (reversed_comparison): Using reversed_comparison_code, move it...
4502         * jump.c (reversed_comparison): ... here.
4503         * rtl.h (reversed_comparison): Add prototype.
4504
4505 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4506
4507         * builtins.c (fold_builtin): Take decomposed arguments of
4508         CALL_EXPR.
4509         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4510         * gimplify.c (gimplify_call_expr): Likewise.
4511         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4512         * tree.h: Update the prototype of fold_builtin.
4513
4514 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4515
4516         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4517         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4518         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4519         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4520         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4521
4522 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4523
4524         * builtins.c (fold_builtin_1): Take decomposed arguments of
4525         CALL_EXPR.
4526         (fold_builtin): Update a call to fold_builtin_1.
4527
4528 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4529
4530         PR other/20564
4531         * gcov.c (output_lines): Only output function block summary when
4532         outputting branch information.
4533         * doc/gcov.texi: Document format of preamble and additional block
4534         information lines.
4535
4536 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4537
4538         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4539         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4540         the defaults false if BITS_PER_UNIT != 8.
4541         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4542         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4543         than BITS_PER_UNIT != 8.
4544         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4545         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4546         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4547         #undefs.
4548         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4549         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4550
4551 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4552
4553         PR middle-end/20539
4554         * fold-const.c (fold_binary): Fix type mismatch between
4555         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4556         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4557         for non-truth-valued expressions.
4558
4559         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4560         and FUNCTION_DECL in the main switch.
4561         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4562         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4563         we also need to convert their operands to match.
4564         <TRUTH_NOT_EXPR>: Likewise.
4565
4566 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4567
4568         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4569         diagnostic without checking whether an lvalue.
4570         * c-common.h (lvalue_p): Remove.
4571         (enum lvalue_use): Update comment.
4572         (lvalue_or_else): Replace by lvalue_error.
4573         * c-typeck.c (lvalue_p): Make static.
4574         (lvalue_or_else): New.  Call lvalue_error.
4575
4576 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4577
4578         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4579         (function_arg_advance): Use rs6000_parm_start.
4580         (function_arg, rs6000_arg_partial_bytes): Likewise.
4581
4582 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4583
4584         * c-common.c (check_case_value): Adjust comment about stripping
4585         NOPs.
4586         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4587         * c-typeck.c (default_conversion, convert_arguments,
4588         build_modify_expr, convert_for_assignment, store_init_value,
4589         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4590         manually.  Remove inaccurate comments.
4591
4592 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4593             Joseph S. Myers  <joseph@codesourcery.com>
4594
4595         * varasm.c (do_assemble_alias): Restore comment describing function.
4596         Annotate the target parameter as potentially unused.
4597
4598 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4599
4600         PR target/18551
4601         * config/avr/avr.c (avr_output_function_prologue): Do not use
4602         current_function_name() in a label, use a local label instead.
4603
4604 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4605
4606         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4607         flag_finite_math_only, not flag_unsafe_math_optimizations.
4608
4609 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4610
4611         * builtins.c (fold_builtin_1): Update a call to
4612         targetm.fold_builtin.
4613         * hooks.c (hook_tree_tree_bool_null): Rename to
4614         hook_tree_tree_tree_bool_null.  Take one more argument of type
4615         tree.
4616         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4617         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4618         hook_tree_tree_tree_bool_null.
4619         * target.h (gcc_target): Update the prototype of fold_builtin.
4620         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4621         arguments of CALL_EXPR.
4622         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4623         new prototype.
4624
4625 2005-03-20  Jan Hubicka  <jh@suse.cz>
4626
4627         * cgraph.h (cgraph_node): Add prev_clone pointer.
4628         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4629         (cgraph_clone_node): Produce doubly linked chain.
4630
4631 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4632
4633         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4634         get_nonnull_operand, handle_sentinel_attribute,
4635         check_function_arguments_recurse): Do not strip NOPS from
4636         INTEGER_CSTs.
4637         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4638         Likewise.
4639         * c-format.c (get_constant): Likewise.
4640         * c-parser.c (c_parser_postfix_expression): Likewise.
4641         * c-typeck.c (set_init_index): Likewise.
4642         (convert_arguments): Don't check for NOP_EXPR containing integer
4643         constant.
4644
4645 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4646
4647         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4648         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4649         Take decomposed arguments of CALL_EXPR.
4650         (fold_builtin_1): Update calls to the functions mentioned
4651         above.
4652
4653 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4654
4655         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4656         width to have integer type.
4657         (build_enumerator): Require enumerator value to have integer type.
4658
4659 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4660
4661         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4662         to __builtin_inff.
4663
4664 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4665
4666         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4667         std=iso9899:199x): Correct descriptions.
4668
4669 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4670
4671         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4672         solaris2.1[0-9].
4673
4674 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4675
4676         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4677         of CALL_EXPR.
4678         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4679         fold_builtin_memcpy.
4680
4681         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4682         arguments of CALL_EXPR.
4683         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4684         fold_builtin_found, fold_builtin_1): Update calls to
4685         fold_trunc_transparent_mathfn.
4686
4687 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4688
4689         PR middle-end/20493
4690         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4691         function pointers on targets that require function pointer
4692         canonicalization.
4693         (fold_sign_changed_comparison): Likewise.
4694
4695 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4696
4697         * combine.c (try_combine): When changing the mode of a hard reg, make
4698         sure that doing so is valid.
4699
4700 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4701
4702         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4703         (TARGET_HANDLE_OPTION): Override default.
4704         (avr_handle_option): New function.
4705         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4706         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4707         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4708         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4709         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4710         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4711         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4712         (TARGET_OPTIONS): Delete.
4713         * config/avr/avr.opt: New file.
4714
4715 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4716
4717         * config/m32r/m32r-protos.h: Remove the prototypes for
4718         call_address_operand, symbolic_operand, seth_add3_operand,
4719         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4720         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4721         two_insn_const_operand, move_src_operand,
4722         move_double_src_operand, move_dest_operand,
4723         eqne_comparison_operator, signed_comparison_operator,
4724         large_insn_p, conditional_move_operand, carry_compare_operand,
4725         m32r_block_immediate_operand, extend_operand,
4726         reg_or_eq_int16_operand, int8_operand, and
4727         reg_or_zero_operand.
4728         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4729         seth_add3_operand, int8_operand, cmp_int16_operand,
4730         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4731         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4732         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4733         move_double_src_operand, move_dest_operand,
4734         eqne_comparison_operator, signed_comparison_operator,
4735         extend_operand, small_insn_p, large_insn_p,
4736         conditional_move_operand, carry_compare_operand,
4737         m32r_block_immediate_operand): Move to predicates.md.
4738         (MAX_MOVE_BYTES): Move to m32r.h.
4739         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4740         * config/m32r/m32r.md: Include predicates.md.
4741         * config/m32r/predicates.md: New.
4742
4743 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4744
4745         PR c++/19769
4746         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4747         origin.
4748
4749 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4750
4751         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4752         call_address_operand, const_8bit_operand.
4753         * config/mn10300/mn10300.c (call_address_operand,
4754         const_8bit_operand, const_1f_operand): Move to predicates.md.
4755         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4756         * config/mn10300/mn10300.md: Include predicates.md.
4757         * config/mn10300/predicates.md: New.
4758
4759 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4760
4761         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4762         declarations in diagnostics and %E for identifiers, not %s.
4763
4764 2005-03-18  Jan Hubicka  <jh@suse.cz>
4765             Dale Johannesen  <dalej@apple.com>
4766
4767         * basic-block.h (scale_bbs_frequencies_int,
4768         scale_bbs_frequencies_gcov_type): Declare.
4769         * cfg.c (RDIV): New macro.
4770         (update_bb_frequency_for_threading): Fix.
4771         * basic-block.h (scale_bbs_frequencies_int,
4772         scale_bbs_frequencies_gcov_type): New.
4773         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4774         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4775         scale_bbs_frequencies_int.
4776         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4777
4778 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4779
4780         * config/m32r/m32r-protos.h: Remove the prototypes for
4781         call_address_operand, symbolic_operand, seth_add3_operand,
4782         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4783         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4784         two_insn_const_operand, move_src_operand,
4785         move_double_src_operand, move_dest_operand,
4786         eqne_comparison_operator, signed_comparison_operator,
4787         large_insn_p, conditional_move_operand, carry_compare_operand,
4788         m32r_block_immediate_operand, extend_operand,
4789         reg_or_eq_int16_operand, int8_operand, and
4790         reg_or_zero_operand.
4791         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4792         seth_add3_operand, int8_operand, cmp_int16_operand,
4793         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4794         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4795         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4796         move_double_src_operand, move_dest_operand,
4797         eqne_comparison_operator, signed_comparison_operator,
4798         extend_operand, small_insn_p, large_insn_p,
4799         conditional_move_operand, carry_compare_operand,
4800         m32r_block_immediate_operand): Move to predicates.md.
4801         (MAX_MOVE_BYTES): Move to m32r.h.
4802         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4803         * config/m32r/m32r.md: Include predicates.md.
4804         * config/m32r/predicates.md: New.
4805
4806         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4807         shadd_constant_p.
4808         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4809         symbolic_operand, symbolic_memory_operand,
4810         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4811         indexed_memory_operand, move_dest_operand, move_src_operand,
4812         prefetch_cc_operand, prefetch_nocc_operand,
4813         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4814         arith_operand, arith11_operand, pre_cint_operand,
4815         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4816         ireg_operand, int5_operand, uint5_operand, int11_operand,
4817         uint32_operand, arith5_operand, and_operand, ior_operand,
4818         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4819         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4820         shadd_operand, movb_comparison_operator,
4821         cmpib_comparison_operator): Move to predicates.md.
4822         (magic_milli, shadd_constant_p): Make it extern.
4823         * config/pa/pa.h (PREDICATE_CODES): Remove.
4824         * config/pa/pa.md: Include predicates.md.
4825         * config/pa/predicates.md: New.
4826
4827         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4828         predicate.
4829
4830 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4831
4832         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4833         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4834         config/alpha/freebsd.h, config/alpha/linux.h,
4835         config/alpha/netbsd.h, config/alpha/osf5.h,
4836         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4837         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4838         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4839         doc/cppopts.texi: Update copyright.
4840
4841 2005-03-18  Jan Hubicka  <jh@suse.cz>
4842
4843         PR middle-end/20225
4844         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4845         too late.
4846         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4847         called too late.
4848
4849 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4850
4851         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4852         VEC_safe_push.
4853
4854 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4855
4856         * combine.c (gen_binary): Remove.
4857         (known_cond, simplify_shift_const, find_split_point,
4858         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4859         simplify_logical, expand_field_assignment, extract_left_shift,
4860         force_to_mode, if_then_else_cond, apply_distributive_law,
4861         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4862         simplify_comparison, reversed_comparison): Replace with
4863         simplify_gen_binary, simplify_gen_relational or
4864         distribute_and_simplify_rtx.
4865         (distribute_and_simplify_rtx): New function.
4866
4867 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4868             Paolo Bonzini  <gcc.gnu.org>
4869
4870         * calls.c (setjmp_call_p, special_function_p): Update comments
4871         at the head of the functions.
4872
4873 2005-03-18  Jan Hubicka  <jh@suse.cz>
4874
4875         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4876
4877         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4878         function body should be released; do not proactively release function
4879         bodies in non-unit-at-a-time mode.
4880
4881 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4882
4883         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4884         mno-fp-ret-in-387 multilib variants.
4885
4886 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4887
4888         * common.opt (m): Remove.
4889         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4890         table lookup fails.
4891         (common_handle_option): Remove OPT_m case.
4892
4893 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4894
4895         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4896         of CALL_EXPR.
4897         (fold_builtin_1): Update a call to fold_builtin_bitop.
4898
4899         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4900         of CALL_EXPR.
4901         (fold_builtin_1): Update a call to fold_builtin_signbit.
4902
4903 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4904
4905         PR tree-optimization/20474
4906         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4907         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4908
4909 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4910
4911         * config/h8300/h8300-protos.h: Remove prototypes for
4912         general_operand_src, general_operand_dst, single_one_operand,
4913         single_zero_operand, call_insn_operand,
4914         two_insn_adds_subs_operand, small_call_insn_operand,
4915         jump_address_operand, bit_operand, bit_memory_operand,
4916         stack_pointer_operand, const_int_gt_2_operand,
4917         const_int_ge_8_operand, const_int_qi_operand,
4918         const_int_hi_operand, incdec_operand, bit_operator,
4919         nshift_operator, eqne_operator, gtle_operator,
4920         gtuleu_operator, iorxor_operator.
4921         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4922         h8300_ldm_stm_parallel.
4923         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4924         h8300-protos.h.
4925         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4926         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4927         (h8300_ldm_stm_parallel): Make it extern.
4928         (h8300_ldm_parallel, h8300_stm_parallel,
4929         h8300_return_parallel, general_operand_src,
4930         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4931         nibble_operand, reg_or_nibble_operand, single_one_operand,
4932         single_zero_operand, call_insn_operand,
4933         two_insn_adds_subs_operand, small_call_insn_operand,
4934         jump_address_operand, bit_operand, bit_memory_operand,
4935         stack_pointer_operand, const_int_gt_2_operand,
4936         const_int_ge_8_operand, const_int_qi_operand,
4937         const_int_hi_operand, incdec_operand, eqne_operator,
4938         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4939         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4940         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4941         nshift_operator): Move to predicates.md.
4942         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4943         * config/h8300/h8300.md: Include predicates.md.
4944         * config/h8300/predicates.md: New.
4945
4946 2005-03-17  Richard Henderson  <rth@redhat.com>
4947
4948         * config.gcc (ia64*-*-hpux*): Add extra_options.
4949         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4950         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4951         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4952         (ia64_tls_size_string, ia64_tune_string): Remove.
4953         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4954         (TARGET_DEFAULT_TARGET_FLAGS): New.
4955         (TARGET_HANDLE_OPTION): New.
4956         (ia64_override_options): Move options parsing ...
4957         (ia64_handle_option): ... here.  New.
4958         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4959         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4960         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4961         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4962         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4963         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4964         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4965         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4966         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4967         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4968         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4969         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4970         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4971         TARGET_EARLY_STOP_BITS): Remove.
4972         (TARGET_ILP32): Default false.
4973         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4974         (enum ia64_inline_type): New.
4975         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4976         * config/ia64/ia64.md: Update for new definitions of
4977         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4978         * config/ia64/ia64.opt: New file.
4979         * config/ia64/ilp32.opt: New file.
4980
4981 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4982
4983         PR target/18380
4984         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4985
4986 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4987
4988         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4989         instead of MASK_H8300S.
4990         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4991         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4992         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4993         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4994         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4995         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4996         TARGET_SWITCHES): Remove.
4997         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4998         TARGET_H8300SX.
4999         * config/h8300/h8300.opt: New.
5000
5001         * config/alpha/alpha.opt, config/arc/arc.opt,
5002         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
5003         notices.
5004
5005 2005-03-17  Ian Lance Taylor  <ian@airs.com>
5006
5007         * gmon.c: Remove.
5008
5009 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
5010
5011         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
5012         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
5013         (TARGET_HANDLE_OPTION): Override default.
5014         (arc_handle_option): New function.
5015         (arc_init): Remove code to set arch_cpu_string.
5016         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
5017         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
5018         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
5019         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
5020         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
5021         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
5022         (arc_rodata_string, TARGET_OPTIONS): Delete.
5023         * config/arc/arc.opt: New file.
5024
5025 2005-03-17  Richard Henderson  <rth@redhat.com>
5026
5027         * doc/extend.texi (Weak Pragmas): New section.
5028         (attribute alias): Clarify that target must be in the same
5029         translation unit.
5030
5031 2005-03-17  Richard Henderson  <rth@redhat.com>
5032
5033         * config/alpha/alpha.opt: New file.
5034         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
5035         of alpha_cpu.
5036         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
5037         alpha_fprm_string, alpha_fptm_string): Make static.
5038         (alpha_tls_size_string): Remove.
5039         (alpha_handle_option): New.
5040         (override_options): Update for alpha_cpu/alpha_tune split.
5041         (alpha_file_start): Likewise.
5042         (TARGET_DEFAULT_TARGET_FLAGS): New.
5043         (TARGET_HANDLE_OPTION): New.
5044         * config/alpha/alpha.h (alpha_tune): Declare.
5045         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
5046         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
5047         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
5048         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
5049         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
5050         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
5051         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
5052         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
5053         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
5054         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
5055         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
5056         (TARGET_DEFAULT): Remove MASK_FP.
5057         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
5058         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
5059         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
5060         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
5061         alpha_tls_size_string): Remove.
5062         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
5063         (attribute tune): Rename from attribute cpu.
5064         * config/alpha/ev4.md: Update to match.
5065         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
5066         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
5067         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
5068         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
5069         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
5070         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
5071
5072 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
5073
5074         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
5075         and return without creating new state if before_nops_num is nonzero.
5076         * config/ia64/ia64.md (first_insn): New attribute.
5077         (alloc): Set it to yes.
5078
5079 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5080
5081         * tree-vectorizer.c (new_vec_stmt_info): Initialize
5082         STMT_VINFO_SUBVARS to NULL.
5083         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5084
5085 2005-03-16 Dale Johannesen  <dalej@apple.com>
5086
5087         * rtlanal.c (find_first_parameter_load):  Rewrite to
5088         return actual first param load or the call if none,
5089         instead of first in block, when not all loads exist.
5090
5091 2005-03-16  Roger Sayle  <roger@eyesopen.com>
5092
5093         * optabs.c (expand_copysign_absneg): Make static.
5094         * optabs.h (expand_copysign_absneg): Delete prototype.
5095         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
5096
5097 2005-03-16  Richard Henderson  <rth@redhat.com>
5098
5099         PR middle-end/15700
5100         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
5101         (alias_pairs): Rename from output_defs.
5102         (find_decl_and_mark_needed): Split out from assemble_alias.
5103         (do_assemble_alias): New.
5104         (assemble_output_def): Remove.
5105         (finish_aliases_1, finish_aliases_2): New.
5106         (process_pending_assemble_output_defs): Remove.
5107         (assemble_alias): Defer aliases for which we don't yet have a
5108         non-external decl for the target symbol.
5109         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5110         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5111         * toplev.c (compile_file): Use finish_aliases_2 instead of
5112         process_pending_assemble_output_defs.
5113         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5114         (process_pending_assemble_output_defs): Remove.
5115
5116 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5117
5118         Fix PR tree-optimization/20489
5119
5120         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5121         for empty structures.
5122
5123 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5124
5125         Fix PR tree-optimization/20490
5126
5127         * tree-ssa-pre.c (create_expression_by_pieces): Use
5128         force_gimple_operand on result of fold.
5129
5130 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
5131
5132         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5133         of closing parenthesis.
5134
5135 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5136
5137         * builtins.c (expand_movstr): Update a call to
5138         fold_builtin_strcpy.
5139         (expand_builtin_strncpy): Update a call to
5140         fold_builtin_strncpy.
5141         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5142         arguments of CALL_EXPR.
5143         (fold_builtin_1): Update calls to fold_builtin_strcpy and
5144         fold_builtin_strncpy.
5145         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5146         * tree.h: Update the prototypes of fold_builtin_strcpy and
5147         fold_builtin_strncpy.
5148
5149 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5150             Dorit Naishlos  <dorit@il.ibm.com>
5151
5152         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5153         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5154         error.
5155
5156 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5157
5158         * tree-inline.c (walk_type_fields, walk_tree,
5159         walk_tree_without_duplicates): Move from here...
5160         * tree.c: ...to here.
5161
5162 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
5163
5164         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5165         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5166         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5167         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5168         (version): Define using $(BASEVER_c).
5169         (Makefile, config.status, build/gcov-iov.o): No longer depends on
5170         version.c.
5171         (version.o): Depend on version files; add custom generation command.
5172         (prefix.o): Define BASEVER on command line.
5173         (s-iov): Depend on version files; adjust command.
5174         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5175         Add gcc-vers.texi.
5176         (gcc-vers.texi): New rule.
5177         (doc/%.info, doc/%.dvi): Add -I . to command line.
5178         (doc/gccinstall.dvi): Likewise.
5179         (PACKAGE): Delete.  All uses replaced with "gcc".
5180         * aclocal.m4: Do not include gcc-version.m4.
5181         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5182         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5183         Set is_release based on contents of DEV-PHASE.
5184         Set gcc_version based on contents of BASE-VER.
5185         Define WIN32_REGISTRY_KEY only if the user overrode the default.
5186         * config.in, configure: Regenerate.
5187         * gccbug.in: Determine version of GCC in use at runtime.
5188         * gcov-iov.c: Get version number and development phase from
5189         command line, not by including version.c.
5190         * intl.c: Replace all uses of PACKAGE with "gcc".
5191         * libada-mk.in: Delete unused "gcc_version" variable.
5192         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5193         * version.c: (VERSUFFIX): New hook for redistributors; adjust
5194         commentary to match.
5195         (version_string): Put together from pieces.
5196         * config/alpha/x-vms: Do not use $(gcc_version).
5197         * config/i386/t-nwld: Likewise.
5198         * doc/include/gcc-common.texi: Include gcc-vers.texi for
5199         version-GCC and DEVELOPMENT.
5200
5201 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5202
5203         PR tree-optimization/17454
5204         * tree.c (tree_size): Add case for TREE_BINFO.
5205         * fold-const.c (fold_checksum_tree): Only clear the overloaded
5206         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
5207
5208 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5209
5210         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
5211         op1 whilst expanding the signed widenening multiply variant.
5212
5213 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
5214
5215         * toplev.c (display_target_options): Avoid unused variable warning if
5216         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
5217         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
5218         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
5219         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
5220         (mips_isa_info): New variable.
5221         (mips_parse_cpu): Remove the first argument and leave the caller
5222         to report errors.
5223         (TARGET_HANDLE_OPTION): Override default.
5224         (mips_handle_option): New function.  Move option validation code from...
5225         (override_options): ...here.  Update calls to mips_parse_cpu.
5226         * config/mips/mips.h (mips_arch_string, mips_tune_string)
5227         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
5228         (SUBTARGET_TARGET_OPTIONS): Delete.
5229         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
5230         (mno-flush-func, mtune=): New options.
5231
5232 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5233             Richard Henderson  <rth@redhat.com>
5234
5235         * real.c (c4x_single_format, c4x_extended_format): Provide values
5236         for signbit_ro for c4x's single and extended floating point formats.
5237         * optabs.c (expand_copysign): Use the floating point format's
5238         signbit_ro for expanding via expand_copysign_absneg, and it's
5239         signbit_rw field for expanding via expand_copysign_bit.
5240
5241 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
5242
5243         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
5244         known_alignment_for_access_p.
5245         (known_alignment_for_access_p): New.
5246         (do_peeling_for_alignment): Field made int instead of bool and renamed
5247         to peeling_for_alignment.
5248         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
5249         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
5250         functionality used to be in vect_analyze_operations.
5251         (vect_analyze_operations): Code to determine vectorization factor was
5252         moved to vect_determine_vectorization_factor.
5253         (vect_enhance_data_refs_alignment): Update to correct alignment when it
5254         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
5255         factor.
5256         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
5257         be part of vect_analyze_operations).
5258         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
5259         creating the guard condition, as the number of iterations may be
5260         constant.
5261         (slpeel_tree_peel_loop_to_edge): Use new name of
5262         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
5263         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
5264         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
5265         (vect_do_peeling_for_alignment): Use fold.
5266         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
5267
5268         (vect_update_inits_of_dr): Renamed to
5269         vect_update_init_of_dr.
5270         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
5271         (vectorizable_store): Fix assertion to use == instead of =.
5272
5273 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
5274
5275         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
5276         call_used_regs for wCG registers.
5277
5278 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
5279
5280         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5281         for non-offsettable memory references to cope with outstanding reload
5282         replacements, take 2.
5283
5284 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
5285
5286         PR target/18668
5287         * config/i386/i386.h (x86_fisttp): New.
5288         (TARGET_FISTTP): New macro.
5289         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
5290         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
5291         instruction when fisttp flag is set.
5292         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
5293
5294         * config/i386/i386.md (type attribute): Add fisttp.
5295         (unit attribute): Set to i387 for fisttp type.
5296         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
5297         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
5298         TARGET_FISTTP.
5299         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
5300         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
5301         macros.
5302         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
5303         patterns for TARGET_FISTTP.  Enable patterns for
5304         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
5305         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
5306         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
5307         implement fisttp x87 insn.
5308         (fix_trunc*_i387_fisttp splitters): New patterns.
5309         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
5310         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
5311         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
5312         clobber.
5313         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
5314         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
5315         Implement using mode macros. Disable patterns for TARGET_FISTTP.
5316         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
5317         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
5318         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
5319         Disable patterns for TARGET_FISTTP.
5320         (fix_trunc*_i387 splitters): Implement usign mode macros.
5321         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
5322         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
5323         (fix_trunx*_sse peephole2s): Implement using mode macros.
5324
5325 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
5326
5327         PR rtl-optimization/20291
5328         * combine.c (try_combine): If splitting fails, re-try with
5329         original combined pattern, i.e. before clobber stripping.
5330
5331 2005-03-14  Eric Christopher  <echristo@redhat.com>
5332
5333         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
5334         STACK_GROWS_DOWNWARD.
5335
5336 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5337
5338         * real.h (struct real_format): Split the signbit field into two
5339         two fields, signbit_ro and signbit_rw.
5340         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
5341         mips_double_format, ieee_extended_motorola_format,
5342         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
5343         ieee_extended_intel_128_format, ibm_extended_format,
5344         mips_extended_format, ieee_quad_format, mips_quad_format,
5345         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
5346         i370_double_format, c4x_single_format, c4x_extended_format,
5347         real_internal_format): Update initializers for new field.
5348         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
5349         real_format structure.
5350         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
5351         field of the real_format structure.
5352
5353 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
5354
5355         Fix PR tree-optimization/20458
5356
5357         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
5358         DECL_EXTERNAL on STRUCT_FIELD tags.
5359         (clear_call_clobbered): Ditto.
5360         * tree-ssa-operands.c (note_addressable): Make sure the original
5361         variable doesn't slip into the addressable list if we have
5362         subvars.
5363         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
5364         tags too.
5365
5366 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
5367
5368         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
5369         (-fwide-exec-charset): Likewise.
5370         (-finput-charset): Likewise.
5371         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
5372         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
5373         * c.opt (Wnormalized): New.
5374
5375 2005-03-14  Devang Patel  <dpatel@apple.com>
5376
5377         * doc/invoke.texi: Add reference to Visibility document.
5378
5379 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5380
5381         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
5382         MASK_SPLIT_ADDRESSES.
5383         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
5384         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
5385         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
5386         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
5387         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
5388         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
5389         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
5390         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
5391         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
5392         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
5393         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
5394         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
5395         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
5396         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
5397         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
5398         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
5399         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
5400         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
5401         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
5402         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
5403         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
5404         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
5405         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
5406         (TARGET_EXPLICIT_RELOCS): Delete.
5407         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
5408         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
5409         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5410         (override_options): Set MASK_LONG64 if -mint64 is given and no
5411         -mlongXX option is.  Complain about -mint64 -mlong32.
5412         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
5413         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
5414         * config/mips/mips.opt: New file.
5415
5416 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5417
5418         * config.gcc (extra_options): New variable for listing option files.
5419         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
5420         * configure.ac (extra_opt_files): New AC_SUBST variable.
5421         (tm_file_list, tm_include_list): Include options.h first.
5422         * configure: Regenerate.
5423         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
5424         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
5425         (s-options-h): New rule.
5426         (options.h): Depend on it.
5427         (TEXI_GCCINT_FILES): Add options.texi.
5428         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
5429         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
5430         * target.h (gcc_target): Add default_target_flags and handle_option.
5431         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
5432         (TARGET_HANDLE_OPTION): New macros.
5433         (TARGET_INITIALIZER): Include them.
5434         * opt-functions.awk (opt_args, nth_arg): New functions.
5435         (switch_flags): Handle the "Target" flag.
5436         (var_args): Delete.
5437         (var_name): Use opt_args and nth_arg.
5438         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
5439         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
5440         macros for the "Mask" and "InverseMask" options.
5441         * opts.h (cl_var_cond): New enum.
5442         (cl_option): Replace the "has_set_value" and "set_value" fields with
5443         "var_cond" and "var_value".
5444         (CL_TARGET): New macro.
5445         (option_enabled, print_filtered_help): Declare.
5446         (decode_options): Move definition.
5447         * opts.c (handle_option): Search for the original option before
5448         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
5449         var_cond and var_value fields.  Use targetm.handle_option to handle
5450         target options.
5451         (decode_options): Set target_flags to targetm.default_target_flags.
5452         (print_filtered_help): Make global.  Handle CL_TARGET.
5453         (option_enabled): New function.
5454         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
5455         (display_target_options, set_target_switch, print_switch_values)
5456         (default_pch_valid_p): Guard uses of target_switches with
5457         #ifdef TARGET_SWITCHES.  Also...
5458         (display_target_options): Display the CL_TARGET entries in cl_options.
5459         (set_target_option): Don't complain about the "" option when
5460         TARGET_SWITCHES is undefined.
5461         (print_switch_values): Use option_enabled.
5462         (default_pch_valid_p): Check cl_options[] when looking for something
5463         that has changed the value of target_flags.
5464         * c.opt: Remove documentation from top of file.
5465         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
5466         * doc/sourecebuild.texi: Refer to the new options documentation
5467         instead of c.opt.  Document machine-specific .opt files.
5468         * doc/tm.texi (target_flags): Say that this variable is declared
5469         by options.h.
5470         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
5471         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
5472         an alternative.
5473         * doc/options.texi: New file.
5474
5475 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5476
5477         PR middle-end/18628
5478         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
5479         register.
5480
5481 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5482
5483         PR c++/20280
5484         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5485         temporary variable of pointer type if an lvalues is required.
5486         (gimplify_modify_expr_rhs): Request an rvalue from it.
5487         (gimplify_expr): Pass fallback on.
5488
5489 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5490
5491         * cfgbuild.c: Update comments.
5492
5493 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5494
5495         PR rtl-optimization/17236
5496         * optabs.c (expand_doubleword_mult): New helper function split out
5497         from expand_binop.  Permute the order in which instructions are
5498         emitted to minimize the number of simultaneously live registers.
5499         (expand_binop): Call expand_doubleword_mult to synthesize a double
5500         word multiplication.
5501
5502 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5503
5504         * basic-block.h: Update the prototypes of cached_make_edge and
5505         rtl_make_eh_edge.
5506         * cfg.c (cached_make_edge): Take edge_cache representing one
5507         row of the adjacency matrix of edges.
5508         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5509         (make_edges): Initialize edge_cache to represent one row of
5510         the adjacency matrix of edges.
5511
5512 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5513
5514         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5515         New functions.
5516         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5517         Remove unused removed_phis variable.
5518         (conditional_replacement): Use build1/build2.
5519         (abs_replacement): Use last_and_only_stmt and build1/build2.
5520
5521 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5522
5523         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5524         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5525         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5526         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5527         * c-common.c (handle_novops_attribute): New function.
5528         (c_common_attribute_table): Add "no vops" entry.
5529         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5530         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5531         * tree-ssa-operands.c (get_call_expr_operands): Do not
5532         create virtual operands for calls with ECF_NOVOPS flag.
5533         * tree.h (DECL_IS_NOVOPS): New macro.
5534         (struct tree_decl): Add novops_flag.
5535         (ECF_NOVOPS): New constant.
5536
5537 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5538
5539         PR target/17688
5540         * config/i386/i386.c (x86_use_himode_fiop): New.
5541         (x86_use_simode_fiop): Rename from x86_use_fiop.
5542         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5543         (TARGET_USE_HIMODE_FIOP): New.
5544         (x86_use_simode_fiop): Rename from x86_use_fiop.
5545         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5546
5547         * config/i386/i386.md (X87MODEI12): New mode macro define.
5548         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5549         to implement x87 FP compare with HImode input operands.
5550         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5551         Use X87MODEI12 mode macro to handle HImode input operands.
5552         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5553         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5554         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5555         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5556         macro to implement x87 operators with HImode input operands.
5557         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5558         input operands.
5559
5560 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5561
5562         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5563         integer_zerop.
5564         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5565         constants invariant.
5566
5567 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5568
5569         * basic-block.h (BB_VISITED): Removed.
5570         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5571
5572 2005-03-14  Falk Hueffner  <falk@debian.org>
5573
5574         PR bootstrap/20424
5575         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5576
5577 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5578
5579         * ggc-zone.c: Fix comment typos.
5580
5581         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5582         stringpool.c, config/mips/mips-protos.h: Update copyright.
5583
5584 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5585
5586         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5587         throughout with its typedef, "rtx".
5588         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5589         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5590         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5591         regs in comment to match code.
5592
5593 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5594
5595         * except.c (check_handled): Make it static.
5596         * except.h: Remove the corresponding prototype.
5597
5598         * function.c (get_func_frame_size): Make it static.
5599         * function.h: Remove the corresponding type.
5600
5601         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5602         Make them static.
5603         * hard-reg-set.h: Remove the corresponding declarations.
5604
5605         * tree-cfg.c (verify_stmts): Check that
5606         bb_for_stmt (stmt) == bb for every PHI node and statement.
5607
5608 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5609
5610         * config.gcc: Remove excess indentation.
5611         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5612
5613 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5614
5615         PR middle-end/19331
5616         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5617         * fold-const.c (fold_sign_changed_comparison): Likewise.
5618         (fold_binary): Optimize comparisons against widened operands if
5619         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5620
5621 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5622
5623         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5624         (sparc_override_options): Initialize it.
5625         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5626
5627 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5628
5629         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5630         (reg_or_none500mem_operand): New predicate.
5631         (zero_reg_mem_operand): New predicate.
5632         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5633         to reg_or_none500mem_operand.
5634         (extendsfdf2_fpr): Add MEM alternative.
5635         (extenddftf2_internal): Change operand2 predicate to
5636         zero_reg_mem_operand.
5637
5638 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5639
5640         * ggc-zone.c: Rewritten.
5641
5642         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5643         if there are none.
5644         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5645         * config.in: Regenerated.
5646         * configure: Regenerated.
5647         * gengtype.c (write_types_process_field, write_func_for_structure):
5648         Pass new argument to gt_pch_note_object.
5649         * ggc-common.c (struct ptr_data): Add TYPE.
5650         (gt_pch_note_object): Take TYPE argument and save it.
5651         (call_count): Update call to ggc_pch_count_object.
5652         (call_alloc): Update call to ggc_pch_alloc_object.
5653         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5654         file.
5655         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5656         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5657         (ggc_alloc_zone_stat): Delete.
5658         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5659         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5660         (ggc_pch_alloc_object): Update prototypes.
5661         (garbage_zone): Delete.
5662         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5663         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5664         pointers.
5665         (tree_id_zone): New variable.
5666         (ggc_alloc_cleared_zone): Remove unused.
5667         (ggc_alloc_zone): Define.
5668         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5669         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5670         ggc_alloc_zone_stat.
5671         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5672         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5673         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5674         (make_node_stat): Likewise.  Use tree_id_zone.
5675
5676 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5677             Joseph S. Myers  <joseph@codesourcery.com>
5678
5679         * configure.ac: Check for MIPS TLS.
5680         * configure: Regenerated.
5681         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5682         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5683         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5684         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5685         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5686         (mips_classify_symbol, mips_symbolic_constant_p)
5687         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5688         (mips_tls_operand_p, mips_call_tls_get_addr)
5689         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5690         (mips_tls_symbol_ref_1): New functions.
5691         (mips_legitimize_address, mips_legitimize_const_move): Call
5692         mips_legitimize_tls_address.
5693         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5694         for MIPS16.
5695         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5696         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5697         (mips_char_to_class): Document V1_REG.
5698         (HAVE_AS_TLS): Provide default.
5699         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5700         constants.
5701         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5702         !TARGET_ABICALLS.
5703         (tls_get_tp_<mode>): New instruction.
5704
5705 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5706
5707         * configure.ac: Update checks for target tools.
5708         * configure: Regenerated.
5709
5710 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5711
5712         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5713
5714 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5715
5716         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5717         more classes of DImode multiplication by constant.  Allow both
5718         multiplication by small negative constants (by performing a
5719         multiplication by a positive constant and negating the result) and
5720         multiplications by large powers of two, by using a left shift.
5721
5722 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5723
5724         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5725         of basic blocks into work_stack.
5726
5727         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5728         config/mips/vr.h: Update copyright.
5729
5730         * c-decl.c (c_init_decl_processing): Remove useless calls to
5731         build_function_type.
5732
5733         * builtins.c (fold_trunc_transparent_mathfn,
5734         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5735         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5736         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5737         fold_builtin_strcpy, fold_builtin_strncpy,
5738         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5739         TREE_TYPE (exp).
5740
5741         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5742         before_call.
5743
5744         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5745         variable determinant.
5746
5747         * tree-cfg.c (group_case_labels): Remove local variable type.
5748
5749         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5750         variable ann.
5751
5752         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5753         result.
5754
5755 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5756
5757         PR target/18251
5758         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5759         (*movmemqi_insn): Delete.
5760         (*movmemhi): Delete.
5761
5762 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5763
5764         * builtins.c (fold_builtin_classify): Take decomposed
5765         arguments of CALL_EXPR.
5766         (fold_builtin_1): Update a call to fold_builtin_classify.
5767
5768 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5769
5770         PR c/20402
5771         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5772         through into call to parser_xref_tag after parse error.
5773         (c_parser_struct_declaration): Consistently return NULL_TREE on
5774         error.
5775
5776 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5777
5778         * tree-flow-inline.h (ref_contains_array_ref): New function.
5779         (lookup_subvars_for_var): Ditto.
5780         (get_subvars_for_var): Ditto.
5781         (var_can_have_subvars): Ditto.
5782
5783         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5784         (struct subvar): New type.
5785
5786         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5787
5788         * tree-optimize.c (init_tree_optimization_passes): Call
5789         pass_create_structure_vars.
5790
5791         * tree-ssa-alias.c: Include vec.h.
5792         (init_alias_info): Don't auto-clear call clobbered on struct-field
5793         tags.
5794         (compute_flow_insensitive_aliasing): Handle subvars.
5795         (group_aliases): Handle STRUCT_FIELD aliases.
5796         (setup_pointers_and_addressables): Ditto.
5797         Don't mark variables non-addressable if they still have
5798         addressable subvars.
5799         Also mark subvars addressable when the real variable is marked
5800         addressable.
5801         (add_pointed_to_var): Try to prune the pointed-to set by only
5802         pointing to subvars when possible.
5803         Otherwise, make sure we set addresses_needed and pt_vars to
5804         properly include subvars.
5805         (bitpos_of_field): New function.
5806         (push_fields_onto_fieldstack): Ditto.
5807         (get_or_create_used_part_for): Ditto.
5808         (create_overlap_variables_for): Ditto.
5809         (find_used_portions): Ditto.
5810         (create_structure_vars): Ditto.
5811         (pass_create_structure_vars): New structure.
5812
5813         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5814         (get_expr_operands): Handle subvars.  Also try to turn
5815         COMPONENT_REF accesses into must-defs now that we can accurately
5816         portray it.
5817         (note_addressable): Try to only mark as addressable those subvars
5818         we know a COMPONENT_REF touches.
5819         (overlap_subvar): New function.
5820
5821         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5822         Handle subvar storing.
5823         (vect_address_analysis): Update caller of vect_object_analysis.
5824
5825         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5826
5827         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5828         (STMT_VINFO_SUBVARS): New macro.
5829
5830         * common.opts: add flag_tree_salias.
5831
5832         * opts.c (decode_options): flag_tree_salias defaults to on.
5833
5834         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5835
5836         * doc/tree-ssa.texi: Document structural alias analysis.
5837
5838 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5839
5840         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5841         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5842         * tree-ssa-operands.c (get_expr_operands): Likewise.
5843         (get_expr_operands): Likewise for ERROR_MARK.
5844
5845 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5846
5847         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5848         var.
5849
5850         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5851         removed_phis.
5852
5853         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5854         (mark_operand_necessary): Remove local variable ver.
5855
5856         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5857         variable prefix_len.
5858
5859         * value-prof.c (mod_subtract_transform): Remove local variable
5860         value.
5861
5862         * builtins.c (fold_builtin_exponent): Take decomposed
5863         arguments of CALL_EXPR.
5864         (fold_builtin_1): Update a call to fold_builtin_exponent.
5865
5866         * builtins.c (fold_builtin_logarithm): Take decomposed
5867         arguments of CALL_EXPR.
5868         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5869
5870         * c-decl.c (c_init_decl_processing): Remove local variables
5871         ptr_ftype_void and ptr_ftype_ptr.
5872
5873         * gimplify.c (gimplify_expr): Remove local variables r0 and
5874         r1.
5875
5876         * reg-stack.c (move_for_stack_reg): Remove local variable
5877         push_insn.
5878         (compare_for_stack_reg): Remove local variable flags_user.
5879         (convert_regs_1): Remove local variable deleted.
5880
5881         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5882         variable new_cond.
5883         (combine_blocks): Remove local variables exits and new_e.
5884
5885         * tree-inline.c (expand_call_inline): Remove local variable
5886         decl.
5887
5888         * tree-ssa-live.c (create_ssa_var_map,
5889         calculate_live_on_entry): Remove local variable snn.
5890
5891 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5892
5893         * c-lex.c (c_lex_with_flags): Add parameter to call to
5894         cpp_spell_token.
5895
5896 2005-03-11  Per Bothner  <per@bothner.com>
5897
5898         * c-tree.h (struct c_declarator): New id_loc field.
5899         * c-pragma.h (c_lex_with_flags): Take position reference.
5900         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5901         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5902         (c_lex): Pass dummy location to c_lex_with_flags.
5903         * c-parser.c (c_lex_one_token): Set c_token's location using
5904         c_lex_with_flags, instead of input_location, which might be "ahead".
5905         (c_parser_direct_declarator): Set declarator's id_loc from
5906         c_token's id_loc.
5907         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5908         declarator's id_loc, rather than probably-imprecise input_location.
5909         (build_id_declarator): Initialize c_declarator's id_loc field.
5910
5911 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5912
5913         PR middle-end/20419
5914         * builtins.c (expand_builtin_signbit): Force the signbit's word
5915         into an integer register to avoid SUBREGs of floating point modes.
5916
5917 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5918
5919         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5920         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5921         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5922         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5923
5924 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5925
5926         PR rtl-optimization/20306
5927         * expr.c (emit_move_complex): Set try_int false if mode is
5928         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5929         emit_block_move if try_int is true.
5930
5931 2005-03-11  Richard Henderson  <rth@redhat.com>
5932
5933         PR target/20415
5934         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5935         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5936         to match.
5937
5938 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5939
5940         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5941         (TARGET_FIX_VR4130): New macro.
5942         (TARGET_OPTIONS): Add -mfix-vr4130.
5943         (ISA_HAS_MACCHI): New macro.
5944         (ASM_SPEC): Add -mfix-vr4130.
5945         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5946         (override_options): Handle mips_fix_vr4130_string.
5947         (mips_avoid_hazards): Clear all_noreorder_p
5948         if we're working around VR4130 errata and the macc alternatives
5949         are not available.
5950         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5951         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5952         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5953         (MULTILIB_DEFAULTS): Remove leading "march=".
5954         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5955         if no architecture option is given.
5956         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5957         VR4130 multilibs.
5958         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5959         * doc/invoke.texi: Document -mfix-vr4130.
5960
5961 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5962
5963         * config/mips/mips.c (override_options): Only warn about -mint64
5964         deprecation if TARGET_INT64.
5965
5966 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5967
5968         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5969         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5970         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5971         are non-specific regarding the nonnull parameter positions.
5972         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5973         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5974         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5975         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5976
5977         * builtins.def: Use the non-specific "nonnull" attibute lists.
5978
5979 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5980
5981         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5982         single_pred_edge, single_succ, single_pred): Improve comments.
5983
5984 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5985
5986         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5987         single_pred_edge, single_succ, single_pred): New inline functions.
5988         * bb-reorder.c (rotate_loop, find_traces_1_round,
5989         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5990         duplicate_computed_gotos): Use the single_succ/pred functions.
5991         * cfganal.c (forwarder_block_p): Ditto.
5992         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5993         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5994         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5995         merge_seq_blocks): Ditto.
5996         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5997         * cfglayout.c (fixup_reorder_chain): Ditto.
5998         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5999         canonicalize_loop_headers, verify_loop_structure): Ditto.
6000         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
6001         mfb_update_loops, create_preheader, force_single_succ_latches,
6002         create_loop_notes): Ditto.
6003         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
6004         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
6005         commit_one_edge_insertion, purge_dead_edges,
6006         cfg_layout_can_merge_blocks_p): Ditto.
6007         * except.c (sjlj_emit_function_enter): Ditto.
6008         * flow.c (init_propagate_block_info): Ditto.
6009         * function.c (thread_prologue_and_epilogue_insns): Ditto.
6010         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
6011         insert_insn_end_bb): Ditto.
6012         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
6013         find_if_case_2): Ditto.
6014         * lambda-code.c (perfect_nestify): Ditto.
6015         * lcm.c (optimize_mode_switching): Ditto.
6016         * loop-doloop.c (doloop_modify): Ditto.
6017         * loop-init.c (loop_optimizer_init): Ditto.
6018         * loop-iv.c (simplify_using_initial_values): Ditto.
6019         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
6020         * loop-unswitch.c (unswitch_loop): Ditto.
6021         * modulo-sched.c (generate_prolog_epilog): Ditto.
6022         * predict.c (combine_predictions_for_insn, estimate_probability,
6023         tree_estimate_probability, last_basic_block_p,
6024         estimate_bb_frequencies): Ditto.
6025         * profile.c (branch_prob): Ditto.
6026         * regrename.c (copyprop_hardreg_forward): Ditto.
6027         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
6028         * tracer.c (layout_superblocks): Ditto.
6029         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
6030         cfg_remove_useless_stmts_bb, cleanup_control_flow,
6031         cleanup_control_expr_graph, disband_implicit_edges,
6032         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
6033         tree_verify_flow_info, tree_make_forwarder_block,
6034         tree_forwarder_block_p, remove_forwarder_block,
6035         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
6036         * tree-if-conv.c (tree_if_conversion): Ditto.
6037         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6038         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
6039         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
6040         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6041         copy_loop_headers): Ditto.
6042         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
6043         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
6044         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
6045         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
6046         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
6047         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
6048         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
6049         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
6050         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
6051         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
6052         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
6053         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
6054         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
6055         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
6056         slpeel_add_loop_guard): Ditto.
6057
6058 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
6059
6060         PR tree-optimization/15784
6061         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6062         and -1 - A to ~A.
6063
6064         * stmt.c (expand_case): Don't change index_type.  Convert minval
6065         to the proper type.
6066
6067         PR tree-optimization/20130
6068         * fold-const.c (fold): Fold x * -1 into -x.
6069
6070 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6071
6072         PR rtl-optimization/20331
6073         * rtlanal.c (modified_between_p): Check its address first for MEM.
6074         (modified_in_p): Likewise.
6075
6076 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
6077
6078         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
6079
6080 2005-03-10  Steven Bosscher  <stevenb@suse.de>
6081
6082         * expr.c (expand_expr_real_1): If possible, use a conditional
6083         move for expanding MIN_EXPR and MAX_EXPR.
6084         Use temp for moving around rtx-en.
6085
6086 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
6087
6088         PR rtl-opt/20412
6089         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
6090         correct mode.
6091
6092 2005-03-10  Roger Sayle  <roger@eyesopen.com>
6093
6094         * builtins.c (expand_builtin_signbit): Extend to handle floating
6095         point modes wider than the largest integer type, using the
6096         operand_subword_force function to obtain the signbit's word.
6097
6098 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6099
6100         PR target/20322
6101         * combine.c (try_combine): If recog_for_combine added CLOBBERs
6102         to NEWI2PAT, fail to combine if they are used by NEWPAT.
6103
6104 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
6105
6106         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6107
6108 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
6109
6110         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6111         type void.
6112         (perform_edge_inserts): Unconditionally call
6113         free_dominator_info.
6114
6115         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6116
6117 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
6118
6119         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6120
6121 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
6122
6123         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6124
6125         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6126         gcc_unreachable.
6127         (rtl_register_value_prof_hooks,
6128         tree_value_profile_transformations,
6129         tree_register_value_prof_hooks): Likewise.
6130         * var-tracking.c (stack_adjust_offset_pre_post,
6131         variable_htab_free, variable_union, dataflow_set_different_2,
6132         count_uses, variable_was_changed, set_frame_base_location,
6133         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6134         vt_add_function_parameters): Likewise.
6135         * varasm.c (named_section_real, named_section, make_decl_rtl,
6136         asm_emit_uninitialised, assemble_integer, decode_addr_const,
6137         const_hash_1, compare_constant, copy_constant, force_const_mem,
6138         output_constant_pool_2, output_constant_pool_1, output_constant,
6139         output_constructor, make_decl_one_only, decl_tls_model,
6140         default_no_named_section, default_elf_select_section_1,
6141         default_unique_section_1): Likewise.
6142         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6143         * vmsdbgout.c (addr_const_to_string): Likewise.
6144
6145         PR c++/20375
6146         * function.c (struct assign_parm_data_one): Remove last_named
6147         field.
6148         (assign_parm_find_data_types): Don't determine last_named.
6149         Reorder named_parm determination.
6150         (assign_parms): Only setup varargs on the last non-varadic
6151         parameter.
6152
6153 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
6154
6155         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
6156         sda base address on medium model.
6157
6158 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
6159
6160         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6161         * cfgloop.c (flow_loop_nodes_find): Export.
6162         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6163         Declare.
6164         * cfgloopmanip.c (fix_loop_structure): New function.
6165         * predict.c (predict_loops): Clean up the loops information.
6166         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6167         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6168         loop structure.
6169         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6170         (rewrite_into_loop_closed_ssa): Declaration changed.
6171         * tree-loop-linear.c (linear_transform_loops): Add argument to
6172         rewrite_into_loop_closed_ssa call.
6173         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6174         * tree-ssa-loop-im.c (move_computations): Ditto.
6175         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6176         * tree-vectorizer.c (vectorize_loops): Ditto.
6177         * tree-optimize.c: Include cfgloop.h.
6178         (execute_todo): Choose whether to call cleanup_tree_cfg or
6179         cleanup_tree_cfg_loop.
6180         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6181         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6182         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6183         cleanup_tree_cfg_loop call.
6184         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6185         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6186         work on part of cfg.
6187
6188 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6189
6190         PR inline-asm/20314
6191         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6192         with multiple alternatives.
6193
6194         * stmt.c (parse_output_constraint): Fix a typo.
6195
6196 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
6197
6198         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6199         assembly directive instead of deprecated "no-generics".
6200
6201 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
6202
6203         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6204         for non-offsettable memory references to cope with outstanding reload
6205         replacements.
6206         * config/s390/s390.md ("reload_outti"): Call find_replacement to
6207         avoid losing outstanding address reloads.
6208         ("reload_outdi", "reload_outdf"): Likewise.
6209
6210 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6211
6212         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
6213         code.  Add more cbrt transformations.
6214
6215 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6216
6217         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
6218
6219 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6220
6221         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
6222         NULL_TREE when a given tree is not simplified.
6223         (fold): Return the original tree when any of the functions
6224         mentioned above NULL_TREE.
6225
6226         * fold-const.c (fold_unary, fold_binary): Take decomposed
6227         arguments, code, type, op0, and op1 in case of fold_binary.
6228         (fold): Update calls to fold_unary and fold_binary.
6229
6230 2005-03-09  Roger Sayle  <roger@eyesopen.com>
6231
6232         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
6233         a fndecl and an arglist instead of a CALL_EXPR, exp.
6234
6235 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6236
6237         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
6238
6239         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
6240
6241         * expr.c (expand_assignment): Remove orig_to_rtx.
6242
6243         * fold-const.c (int_const_binop): Remove no_overflow.
6244
6245         * ifcvt.c (noce_emit_move_insn): Remove inmode.
6246
6247         * loop-iv.c (get_biv_step_1): Remove lhs.
6248
6249         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
6250
6251         * real.c (real_nan): Remove neg.
6252
6253         * function.c (thread_prologue_and_epilogue_insns): Remove i
6254         and newinsn.
6255
6256         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
6257         tb.
6258
6259         * tree-eh.c (tree_could_trap_p): Remove idx.
6260
6261         * tree-into-ssa.c (ann): Remove ann.
6262
6263         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
6264
6265         * tree-sra.c (decide_block_copy): Remove inst_count.
6266
6267         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
6268
6269         * tree-ssa-loop-im.c (lhs): Remove.
6270
6271         * cfgbuild.c (state, STATE, SET_STATE,
6272         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
6273         make_edges.
6274         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
6275         (find_basic_blocks): Set the state of each basic block to
6276         BLOCK_NEW.
6277
6278 2005-03-08  Jeff Law  <law@redhat.com>
6279
6280         * tree-cfg.c (cleanup_control_flow): If removal of a computed
6281         goto results in the removal of edges in the CFG, then we need
6282         to recompute dominators.
6283
6284 2005-03-09  Ben Elliston  <bje@au.ibm.com>
6285
6286         * c-common.c (c_do_switch_warnings): Comment fix.
6287
6288 2005-03-08  Julian Brown  <julian@codesourcery.com>
6289
6290         * Patch from 2005-03-08 reverted for causing regressions and
6291         ppc-darwin bootstrap failure.
6292
6293 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
6294
6295         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
6296         Define the real function for ppc-darwin.
6297         * c-typeck.c (convert_arguments): Check for target-specific
6298         invalid argument call to unprototyped function.
6299         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6300         New Macro.
6301         * target.h (invalid_arg_for_unprototyped_fn): New field
6302         in struct calls.
6303         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
6304         default target hook.
6305         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
6306         Declare.
6307
6308 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6309
6310         * c-typeck.c (constructor_stack, constructor_range_stack,
6311         initializer_stack): Make them static.
6312
6313         * cfg.c (rbi_pool): Make it static.
6314
6315         * gimple-low.c (lower_stmt_body): Make it static.
6316         * tree-flow.h: Remove the corresponding prototype.  Don't
6317         declare lower_data.
6318
6319         * sched-deps.c (cache_size): Make it static.
6320
6321         * stor-layout.c (lang_adjust_rli): Make it static.
6322
6323 2005-03-08  Julian Brown  <julian@codesourcery.com>
6324
6325         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6326         from being used for symbols with vague linkage when
6327         HAVE_GAS_COMDAT_GROUP is true.
6328
6329 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
6330
6331         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
6332         nlabel == JUMP_LABEL (jump).
6333
6334 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6335
6336         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
6337         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
6338         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
6339         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
6340
6341 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
6342
6343         PR c/14411
6344         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
6345         * c-common.c (handle_returns_twice): New function.
6346         (c_common_attribute_table): Declare eturns_twice' attribute.
6347         * doc/extend.texi: Document eturns_twice' attribute.
6348         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
6349         (struct tree_decl): Add returns_twice_flag.
6350
6351 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6352
6353         * tree-ssa-phiopt.c: Fix a comment typo.
6354
6355         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
6356         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
6357         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
6358         copyright.
6359
6360 2005-03-08  Richard Henderson  <rth@redhat.com>
6361
6362         * config/alpha/alpha.c (code_for_builtin): Replace special-case
6363         builtin codes with ctzdi2, clzdi2, popcountdi2.
6364         (struct alpha_builtin_def): Add is_const.
6365         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
6366         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
6367         (alpha_init_builtins): Init them.  Set nothrow and const attributes
6368         on builtins.
6369         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
6370         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
6371         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
6372         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
6373         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
6374         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
6375         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
6376         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
6377         (TARGET_FOLD_BUILTIN): New.
6378         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
6379         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
6380         (ffsdi2): Use ctz.
6381         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
6382
6383 2005-03-08  Ira Rosen  <irar@il.ibm.com>
6384
6385         PR tree-optimization/20122
6386         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
6387         condition of access function instead of base.
6388
6389 2005-03-07  Jeff Law  <law@redhat.com>
6390             Steven Bosscher  <stevenb@suse.de>
6391
6392         * tree-cfg.c (find_taken_edge_computed_goto): New function.
6393         (find_taken_edge): Call find_taken_edge_computed_goto as
6394         appropriate.  Allow any gimple invariant rather than just
6395         INTEGER_CST for VAL.
6396         (cleanup_control_flow): Cleanup a computed goto which has turned
6397         into a simple goto.
6398         (tree_merge_blocks): If block B has any forced labels, move
6399         them to the start of block A.
6400         * tree-ssa-dom.c (thread_across_edge): Allow threading across
6401         computed gotos as well.
6402         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
6403         removal of unnecessary computed gotos too.
6404         (lookup_redirection_data): Fix type of INSERT argument.  Callers
6405         updated.
6406
6407 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6408
6409         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
6410         Remove trailing spaces.
6411
6412         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
6413         unshare_all_trees): Make them static.
6414         * tree-gimple.h: Remove the corresponding prototypes.
6415
6416         * diagnostic.h: Remove unused prototype
6417         debug_output_buffer.
6418         * modulo-sched.c: Remove unused prototype
6419         set_row_column_for_ps.
6420
6421         * tree-ssa-phiopt.c (tree_ssa_phiopt,
6422         replace_phi_edge_with_variable): Remove unused variable i.
6423
6424 2005-03-07  Per Bothner  <per@bothner.com>
6425
6426         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
6427
6428 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
6429
6430         PR tree-opt/17671
6431         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
6432         bbs on the COND_EXPR instead of the PHI_NODEs.
6433         (candidate_bb_for_phi_optimization): Remove.
6434         (replace_phi_with_stmt): Rename to ...
6435         (replace_phi_edge_with_variable): this and change so that we
6436         replace the phi argument instead of removing the PHI.
6437         (conditional_replacement): Change so we deal with PHI with more
6438         than two arguments.
6439         (value_replacement): Likewise.
6440         (abs_replacement): Likewise.
6441
6442 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
6443
6444         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
6445         output_e500_flip_gt_bit.
6446
6447         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
6448         as bit 31.
6449         (rs6000_generate_compare): Fix logic to look at the correct bits.
6450         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
6451         Look at GT bit.
6452         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
6453         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
6454         gen_move_from_CR_gt_bit.
6455
6456         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
6457         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
6458         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
6459
6460         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
6461         (E500_CR_IOR_COMPARE): New constant.
6462
6463 2005-03-08  Earl Chew <earl_chew@agilent.com>
6464             David Billinghurst <David.Billinghurst@riotinto.com>
6465
6466         * config/i386/host-cygwin.c: New file to support precompiled
6467         headers on cygwin
6468         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
6469         * config.host: Use above files for cygwin host.
6470
6471 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
6472
6473         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
6474         ordering ops from earlier change.
6475
6476 2005-03-07  Per Bothner  <per@bothner.com>
6477
6478         Various fixes to allow us to again build if --enable-mapped-location:
6479         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
6480         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
6481         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
6482         local variable loc. Change logic appropriately.
6483         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6484         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6485         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6486         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6487         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6488
6489 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6490
6491         PR rtl-optimization/19683
6492         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6493         number of bytes, to smallest_int_for_mode.  Fix arguments to
6494         REG_CANNOT_CHANGE_MODE_P.
6495
6496 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6497
6498         * reorg.c (relax_delay_slots): Check that the jump is
6499         conditional before trying to invert it.
6500
6501 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6502
6503         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6504         Make them static.
6505
6506         * calls (stack_arg_under_construction): Make it static.
6507
6508         * flow.c (regs_live_at_setjmp): Make it static.
6509         * flow.h: Remove the corresponding prototype.
6510
6511         * reload1.c (reload_startobj, reload_firstobj,
6512         something_needs_operands_changed, reload_inherited,
6513         reload_inheritance_insn, reload_override_in,
6514         reload_spill_index): Make them static.
6515
6516         * recog.c (verify_changes): Make it static.
6517         * recog.h: Remove the corresponding prototype.
6518
6519         * cfgbuild.c (find_sub_basic_blocks): Remove.
6520         * basic-block.h: Remove the corresponding prototype.
6521         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6522         in comments.
6523         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6524
6525         * tree-ssa-operands.c (check_build_stmt): Remove.
6526
6527         * stor-layout.c (set_alignment): Remove.
6528         * tree.h: Remove the corresponding prototype.
6529
6530         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6531
6532         * tree-ssa-dce.c (control_dependence_map,
6533         visited_control_parents): Make them static.
6534
6535         * cfghooks.c (verify_flow_info): Remove local variable
6536         num_bb_notes.
6537
6538         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6539         last_bb_seen.
6540
6541         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6542
6543 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6544
6545         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6546
6547 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6548
6549         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6550         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6551         PARALLEL for an empty structure.
6552
6553 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6554
6555         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6556
6557         * fold-const.c (fold_binary): Unroll the very first "for"
6558         loop.
6559
6560 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6561
6562         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6563         redundant match_code test.
6564         (scc_comparison_operator): Swap match_operand and match_code
6565         tests.
6566         (branch_positive_comparison_operator): Same.
6567         (trap_comparison_operator): Use comparison_operator and swap with
6568         match_code test.
6569
6570 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6571
6572         PR target/20288
6573         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6574         (out_movhi_r_mr): Read low byte of volatile MEM first.
6575         (out_movhi_mr_r): Write high byte of volatile MEM first.
6576
6577 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6578
6579         * cselib.c (reg_values, reg_values_size): Make them static.
6580
6581         * cse.c (cse_reg_info_table): Make it static.
6582
6583         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6584
6585 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6586
6587         * cse.c (find_best_addr): Use canon_for_address.
6588
6589 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6590
6591         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6592         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6593         SUBREG and MEM, respectively.
6594
6595         * fold-const.c (fold_binary): Use code instead of t.
6596
6597         * fold-const.c (optimize_minmax_comparison): Take decomposed
6598         arguments code, type, op0, and op1 instead of t.
6599         (fold_binary): Update a call to optimize_minmax_comparison.
6600
6601         * fold-const.c (fold_range_test): Take decomposed arguments
6602         code, type, op0, and op1 instead of t.
6603         (fold_binary): Update a call to fold_range_test.
6604
6605         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6606         decomposed arguments code, type, op0, and op1 instead of t.
6607         (fold_binary): Update a call to fold_range_test.
6608
6609 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6610
6611         * fold-const.c (fold_binary): Avoid directly using the original
6612         expression t as much as possible.
6613
6614 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6615
6616         * c-semantics.c (build_stmt): Use TYPE_P instead of
6617         IS_NON_TYPE_CODE_CLASS.
6618         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6619         (NON_TYPE_CHECK): Use TYPE_P instead of
6620         IS_NON_TYPE_CODE_CLASS.
6621
6622         * fold-const.c (fold): Remove handling of binary expressions.
6623
6624 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6625
6626         * doc/c-tree.texi: Wrap comments in @r{}.
6627         * doc/cpp.texi: Likewise.
6628         * doc/cppinternals.texi: Likewise.
6629         * doc/extend.texi: Likewise.
6630         * doc/md.texi: Likewise.
6631         * doc/objc.texi: Likewise.
6632         * doc/sourcebuild.texi: Likewise.
6633         * doc/tm.texi: Likewise.
6634         * doc/tree-ssa.texi
6635
6636 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6637
6638         * predict.c (apply_return_prediction): Standardize PHI chain
6639         walking.
6640         * tree-ssa.c (ssa_redirect_edge): Likewise.
6641
6642         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6643         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6644         Update copyright.
6645
6646         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6647         * tree-flow.h: Adjust the prototype for remove_phi_node.
6648         * lambda-code.c (perfect_nestify): Adjust a call to
6649         remove_phi_node.
6650         * tree-cfg.c
6651         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6652         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6653         Likewise.
6654         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6655         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6656         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6657         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6658
6659         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6660         of GEN_INT (trunc_int_for_mode (...)).
6661         * loop-iv.c (iv_number_of_iterations): Likewise.
6662         * postreload.c (reload_cse_move2add): Likewise.
6663         * simplify-rtx.c (simplify_const_unary_operation,
6664         simplify_const_binary_operation): Likewise.
6665         * stor-layout.c (get_mode_bounds): Likewise.
6666
6667         * fold-const.c (fold_binary): New.
6668         (fold): Call fold_binary on binary expressions.
6669
6670 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6671
6672         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6673         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6674         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6675         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6676         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6677
6678 2005-03-04  Devang Patel  <dpatel@apple.com>
6679
6680         PR tree-optimization/18815
6681         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6682         loops with zero exit edges.
6683
6684 2005-03-04  Devang Patel  <dpatel@apple.com>
6685
6686         * doc/invoke.texi: Remove reference to webpage that does not exist.
6687
6688 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6689             Joseph S. Myers  <joseph@codesourcery.com>
6690
6691         PR c++/19797
6692         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6693         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6694         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6695         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6696         maybe_get_identifier instead of get_identifier.
6697         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6698         (struct deferred_plabel): Replace name field with symbol field.
6699         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6700         ASM_OUTPUT_EXTERNAL_REAL is defined.
6701         (output_global_address): Use output_addr_const for output of all
6702         symbol_refs.
6703         (output_deferred_plabels): Use symbol_ref instead of name for address
6704         output.
6705         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6706         ASM_OUTPUT_SYMBOL_REF): New macros.
6707         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6708         comment.
6709         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6710         label.
6711
6712 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6713
6714         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6715         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6716
6717 2005-03-04  Jeff Law  <law@redhat.com>
6718
6719         * basic-block.h (rediscover_loops_after_threading): Declare.
6720         * tree-ssa-dom.c: Include cfgloop.h.
6721         (tree_ssa_dominator_optimize): Discover loops and some basic
6722         properties.  Remove forwarder blocks recreated by loop header
6723         canonicalization.  Also mark backedges in the CFG.
6724         * tree-ssa-threadupdate.c: Include cfgloop.h
6725         (rediscover_loops_after_threading): Define.
6726         (struct local_info): New field, JUMP_THREADED.
6727         (prune_undesirable_thread_requests): New function.
6728         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6729         then record that fact for the callers of redirct_edges.
6730         (thread_block): If BB has incoming backedges, then call
6731         prune_undesirable_thraed_requests.    Note when we are
6732         going to have to rediscover loop information.  Return a
6733         boolean indicating if any jumps were threaded.
6734         (thread_through_all_blocks): Bubble up boolean indicating
6735         if any jumps were threaded.
6736         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6737         (tree-ssa-threadupdate.o): Similarly.
6738
6739 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6740
6741         * fold-const.c (fold_ternary): Unroll the "for" loop to
6742         extract operands.
6743
6744 2005-03-04  Andrew Haley  <aph@redhat.com>
6745
6746         * unwind-dw2-fde-glibc.c (struct
6747         unw_eh_callback_data.check_cache): New field.
6748         (frame_hdr_cache): New.
6749         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6750         Cache frame header info.
6751
6752 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6753
6754         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6755         (print_c_condition): Declare.
6756         * read-rtl.c (ptr_loc): New structure.
6757         (ptr_locs, ptr_loc_obstack, joined_conditions)
6758         (joined_conditions_obstack): New variables.
6759         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6760         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6761         (join_c_conditions, print_c_condition): New functions.
6762         (apply_macro_to_string): Associate the new string with the same
6763         source location as the old one.
6764         (add_condition_to_string): Use join_c_conditions.
6765         (read_string): Use set_rtx_ptr_loc to record a filename and line
6766         number for the string.
6767         (read_rtx): Initialize the new variables above.
6768         * genattrtab.c (write_test_expr, write_attr_value): Use
6769         print_c_condition.
6770         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6771         comment above the GCC_VERSION check.
6772         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6773         Inline the definition of MAYBE_EVAL.
6774         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6775         * genoutput.c (process_template): Likewise.
6776         * genpreds.c (write_predicate_subfunction): Likewise.
6777         (write_predicate_expr): Use print_c_condition.
6778         * genrecog.c (write_cond): Likewise.
6779         * gensupport.c (process_rtx): Use join_c_conditions to join the
6780         conditions of a define_insn_and_split.  Record a source location
6781         for the string after the "&&".
6782         (alter_test_for_insn): Use join_c_conditions.
6783
6784 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6785
6786         Revert for now:
6787         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6788         PR tree-optimization/15784
6789         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6790         and -1 - A to ~A.
6791
6792 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6793
6794         * gcc.c (option_map): Add --coverage.
6795         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6796         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6797         * config/darwin.h: Pass -lgcov for `coverage'.
6798         * doc/invoke.texi (Debugging Options): Document --coverage.
6799
6800 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6801
6802         * gcse.c (bypass_block): Use find_edge wherever possible.
6803
6804 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6805
6806         Fix PR debug/20253
6807
6808         * c-opts.c (c_common_parse_file): Call start_source_file
6809         and end_source_file at the approriate times.
6810
6811         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6812         the main file, it will be done for us now.
6813
6814 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6815
6816         * fold-const.c (fold_ternary): New.
6817         (fold): Call fold_ternary on ternary expressions.  Remove
6818         handling of ternary expressions.
6819
6820 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6821
6822         PR tree-optimization/15784
6823         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6824         and -1 - A to ~A.
6825
6826 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6827
6828         * config/rs6000/predicates.md (branch_comparison_operator):
6829         Convert from C block to conditional format.
6830
6831 2005-03-03  Jan Hubicka  <jh@suse.cz>
6832
6833         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6834         and non-constant public variables.
6835
6836 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6837
6838         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6839         with LABEL_EXPR.
6840
6841         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6842         EDGE_I.
6843
6844         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6845         calls to release_ssa_name and release_phi_node.
6846
6847         * fold-const.c (fold): Remove handling of unary expressions.
6848
6849         * fold-const.c (fold_unary): Avoid directly using the original
6850         expression t as much as possible.
6851
6852 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6853             Andrew Pinski  <pinskia@physics.uc.edu>
6854
6855         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6856         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6857
6858 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6859
6860         Describe special registers SRP and MOF as allocatable registers.
6861         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6862         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6863         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6864         TARGET_HAS_MUL_INSNS.
6865         (cris_print_operand) <case 'd'>: New case.
6866         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6867         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6868         define.
6869         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6870         (REG_ALLOC_ORDER): Update for MOF.
6871         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6872         SPECIAL_REGS.
6873         (GENERAL_REGS): No longer a define of ALL_REGS.
6874         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6875         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6876         Adjust accordingly.
6877         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6878         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6879         (SECONDARY_RELOAD_CLASS): Define.
6880         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6881         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6882         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6883         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6884         (REGISTER_MOVE_COST): Define.
6885         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6886         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6887         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6888         (CRIS_MOF_REGNUM): New define_constants.
6889         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6890         special registers.
6891         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6892         New patterns.
6893         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6894         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6895         Adjust for MOF being properly described as a register.
6896         (indir_to_reg_split): Name this split.  Conditionalize on the
6897         destination register being a general register.
6898         (movei): Conditionalize on on operands 0 and 1 having the same
6899         register class.
6900
6901 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6902
6903         PR target/20277
6904         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6905         -mcpu to override any other explicitly given flags.
6906
6907 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6908
6909         * recog.c (verify_changes, confirm_change_group): New functions,
6910         broken out of apply_change_group.
6911         (apply_change_group): Use them.
6912         * recog.h (verify_change, confirm_change_group): Declare.
6913         * rtl.h (redirect_jump_2): Declare.
6914         * jump.c (redirect_exp, invert_exp): Delete.
6915         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6916         (redirect_jump_2): New function, broken out of redirect_jump.
6917         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6918         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6919         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6920
6921 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6922
6923         * varasm.c (named_section): Use xstrdup rather than doing it by
6924         hand.
6925
6926         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6927
6928 2005-03-02  Devang Patel  <dpatel@apple.com>
6929
6930         Undo PR tree-optimization/18815 fix.
6931
6932 2005-03-02  Devang Patel  <dpatel@apple.com>
6933
6934         PR tree-optimization/18815
6935         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6936         loops with zero exit edges.
6937
6938 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6939
6940         * cfg.c (connect_src, connect_dest, disconnect_src,
6941         disconnct_dest): New.
6942         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6943         redirect_edge_pred): Use the new functions.
6944
6945         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6946         free_dominance_info only when needed.
6947
6948 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6949
6950         PR target/20276
6951         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6952         (reg_or_sub_cint64_operand): Same.
6953
6954 2005-03-02  Jeff Law  <law@redhat.com>
6955
6956         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6957         CFG_ALTERED in the main DOM iteration loop.
6958
6959 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6960
6961         PR c++/19916
6962         * varasm.c (initializer_constant_valid_p): Allow conversions
6963         between OFFSET_TYPEs.  Tidy.
6964
6965 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6966
6967         * config/cris/cris.md ("return"): Remove epilogue delay list
6968         sanity check.
6969
6970 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6971
6972         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6973         for Thumb.
6974         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6975
6976 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6977
6978         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6979         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6980         config/m68k/m68k.c, config/mips/mips.h,
6981         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6982         doc/include/gcc-common.texi: Update copyright.
6983
6984         PR middle-end/18029 and PR middle-end/18030
6985         * expr.c (optimize_bitfield_assignment_op): Add a special case
6986         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6987
6988         * fold-const.c (fold_unary): New.
6989         (fold): Call fold_unary on unary expressions.
6990
6991 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6992
6993         * cgraph.h (struct cgraph_edge): Add prev_caller and
6994         prev_callee fields.
6995         (cgraph_node_remove_callees): Export.
6996         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6997         and prev_callee.
6998         (cgraph_edge_remove_callee): New function.
6999         (cgraph_edge_remove_caller): Likewise.
7000         (cgraph_remove_edge): Use.
7001         (cgraph_redirect_edge_callee): Likewise.
7002         (cgraph_node_remove_callees): New function.
7003         (cgraph_node_remove_callers): Likewise.
7004         (cgraph_remove_node): Use.
7005         * tree-optimize.c (tree_rest_of_compilation): Use
7006         cgraph_node_remove_callees instead of manual loop.
7007         * cgraphunit.c (cgraph_finalize_function): Likewise.
7008         (cgraph_expand_function): Likewise.
7009         (cgraph_remove_unreachable_nodes): Likewise.
7010
7011 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
7012
7013         PR c/8927
7014         * c-tree.h (undeclared_variable, build_external_ref): Add extra
7015         argument.
7016         * c-decl.c (undeclared_variable): Take location as argument.
7017         * c-typeck.c (build_external_ref): Likewise.
7018         * c-parser.c (c_parser_postfix_expression): Pass location of
7019         identifier to build_external_ref.
7020
7021 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7022
7023         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
7024         CCEQ mode for branch_positive_comparison_operator test.
7025         * config/rs6000/predicates (branch_comparison_operator): Revert to
7026         define_predicate.
7027         (scc_comparison_operator): Same.
7028         (branch_positive_comparison_operator): Same.
7029
7030 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
7031
7032         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
7033         (cris_delay_slots_for_epilogue): Remove.
7034         (save_last): Move into cris_target_asm_function_epilogue.
7035         (cris_target_asm_function_epilogue): Remove tests for file being
7036         NULL.
7037         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
7038         (cris_delay_slots_for_epilogue): Remove prototypes.
7039         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
7040         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
7041
7042 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7043
7044         * config/rs6000/predicates.md (branch_comparison_operator): Change
7045         to define_special_predicate.
7046         (scc_comparison_operator): Same.
7047         (branch_positive_comparison_operator): Same.
7048
7049 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
7050
7051         * Makefile.in (tree-ssa-sink.o): New.
7052         (OBJS-common): Add tree-ssa-sink.o.
7053         * common.opt: Add -ftree-sink
7054         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7055         * timevar.def (TV_TREE_SINK): new timevar.
7056         * tree-flow.h (is_hidden_global_store): Prototype.
7057         * tree-optimize.c (init_tree_optimization_passes): Add
7058         pass_sink_code.
7059         * tree-pass.h (pass_sink_code): New.
7060         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
7061         for non-obvious global store store to is_hidden_global_store, and
7062         call that new function.
7063         * tree-ssa-sink.c: New file.
7064         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
7065         * doc/passes.texi: Document forward store motion.
7066         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
7067         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
7068         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
7069         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
7070
7071 2005-03-01  Per Bothner  <per@bothner.com>
7072
7073         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
7074         and we have a non-zero column-number, add it to the message.
7075         Also factor out the diagnostic_kind_text.
7076
7077 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
7078
7079         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
7080         flow_loop_pre_header_scan, flow_loop_pre_header_find,
7081         flow_loop_scan): Removed.
7082         (flow_loop_dump): Do not dump removed fields.
7083         (flow_loop_free): Do not free removed fields.
7084         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
7085         (loop_exit_edge_p): New function.
7086         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
7087         num_pre_header_edges, entry_edges, num_entries, exit_edges,
7088         num_exits, exits_doms.
7089         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
7090         LOOP_EDGES, LOOP_ALL): Removed.
7091         (flow_loop_scan): Declaration removed.
7092         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
7093         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
7094         flow_loops_find.
7095         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
7096         (if_convert): Call flow_loops_find and flow_loops_free
7097         when calling mark_loop_exit_edges.
7098         * cfgloopanal.c (mark_loop_exit_edges): Moved from
7099         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
7100         free_dominance_info calls.
7101         * loop-init.c (flow_loops_find): Ditto.
7102         * passes.c (rest_of_handle_branch_prob): Ditto.
7103         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7104         * loop-unroll.c (analyze_insns_in_loop): Do not use
7105         EDGE_LOOP_EXIT.
7106         * predict.c (predict_loops): Do not call flow_loop_scan.
7107         Use get_loop_exit_edges.
7108         (tree_estimate_probability): Do not pass flags to flow_loops_find.
7109         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7110         Do not use EDGE_LOOP_EXIT.
7111         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7112         to bb_with_exit_edge_p.
7113         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
7114         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
7115         to bb_with_exit_edge_p.
7116         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
7117         EDGE_LOOP_EXIT.
7118         * tree-loop-linear.c (linear_transform_loops): Do not call
7119         flow_loop_scan.  Use loop->single_exit.
7120         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7121         (vect_analyze_loop_form): Do not call flow_loop_scan.
7122         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7123         loop->single_exit.
7124         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7125         loop->single_exit.
7126         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7127         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7128         slpeel_tree_duplicate_loop_to_edge_cfg,
7129         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7130         Use loop_preheader_edge and loop->single_exit.  Do not call
7131         flow_loop_scan.
7132
7133 2005-03-01  Nick Clifton  <nickc@redhat.com>
7134
7135         * config/arm/arm.c (thumb_find_work_register): Check all of the
7136         argument registers to see if they are free, and a couple of
7137         special cases where the last argument register but can be proved
7138         to be available during the function's prologue.
7139         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7140         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7141         thumb_unexpanded_epilogue): Use unsigned long as the type for the
7142         register bit-mask.
7143         (thumb_compute_save_reg_mask): Likewise.  Also use
7144         thumb_find_work_register() to ensure that there is agreement about
7145         which work register is going to be used in the prologue.
7146         (thumb_output_function_prologue): Use unsigned long as the type
7147         for the register bit-mask.  Also delay pushing the link register if
7148         other high registers are going to be pushed.
7149         (thumb_compute_save_reg_mask, emit_multi_reg_push,
7150         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7151         redundant prototypes.
7152
7153 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
7154
7155         PR target/19819
7156         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7157         and after reload in REG+REG indexed addresses without REG_POINTER
7158         set in the base and not set in the index.
7159
7160 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7161
7162         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7163         Don't undefine here.
7164         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7165         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7166         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7167         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7168         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7169         Delete.
7170         * config.gcc (sh*-*-linux*): Use config/linux.h.
7171
7172 2005-02-28  Dale Johannesen  <dalej@apple.com>
7173             Stan Shebs  <shebs@apple.com>
7174
7175         Rewrite of 64-bit Darwin structure-by-value pass/return.
7176         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7177         intoffset, use_stack, named.
7178         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
7179         (rs6000_darwin64_record_arg_advance_flush):  New.
7180         (rs6000_darwin64_record_arg_advance_recurse): New.
7181         (rs6000_darwin64_record_arg_flush):  New.
7182         (rs6000_darwin64_record_arg_recurse):  New.
7183         (rs6000_darwin64_record_arg):  New.
7184         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
7185         (function_arg_boundary):  Handle 128-bit aligned structs.
7186         (function_arg_advance):  Rewrite darwin64 struct handling.
7187         (function_arg):  Call rs6000_darwin64_record_arg.
7188         (function_arg_partial_nregs):  Handle darwin64 structs.
7189         (rs6000_darwin64_function_value):  Remove.
7190         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
7191
7192 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7193
7194         PR tree-optimization/20216
7195         * tree-chrec.c (tree_fold_factorial): Delete.
7196         (tree_fold_binomial): Change argument list to take a return type
7197         and change the type of K to unsigned int.  Rewrite to avoid explicit
7198         evaluation of factorials, and (recursively) calling fold to perform
7199         compile-time arithmetic.  Return NULL on (internal) overflow.
7200         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
7201         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
7202         if any intermediate calculation overflows.
7203         (chrec_apply): Update call to chrec_evaluate.
7204
7205 2005-02-28  James E Wilson  <wilson@specifixinc.com>
7206
7207         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
7208
7209 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
7210
7211         PR c/20245
7212         * c-parser.c (c_parser_compound_statement): Return error_mark_node
7213         instead of NULL_TREE on error.
7214
7215 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
7216
7217         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
7218         (EASY_VECTOR_15_ADD_SELF): Remove.
7219         (num_insns_constant_wide): Not static.
7220         (validate_condition_mode): Not static.
7221         (toc_relative_expr_p): Not static.
7222         (legitimate_indirect_address_p): Not static.
7223         (macho_lo_sum_memory_operand): Not static.
7224         (invalid_e500_subreg): Not static.
7225         (easy_vector_same): Not static.
7226         (easy_vector_splat_const): Not static.
7227         (RS6000_SYMBOL_REF_TLS_P): Remove.
7228         (any_operand): Delete.
7229         (any_parallel_operand): Delete.
7230         (count_register_operand): Delete.
7231         (altivec_register_operand): Delete.
7232         (xer_operand): Delete.
7233         (s8bit_cint_operand): Delete.
7234         (short_cint_operand): Delete.
7235         (u_short_cint_operand): Delete.
7236         (non_short_cint_operand): Delete.
7237         (exact_log2_cint_operand): Delete.
7238         (gpc_reg_operand): Delete.
7239         (cc_reg_operand): Delete.
7240         (cc_reg_not_cr0_operand): Delete.
7241         (reg_or_short_operand): Delete.
7242         (reg_or_neg_short_operand): Delete.
7243         (reg_or_aligned_short_operand): Delete.
7244         (reg_or_u_short_operand): Delete.
7245         (reg_or_cint_operand): Delete.
7246         (reg_or_arith_cint_operand): Delete.
7247         (reg_or_add_cint64_operand): Delete.
7248         (reg_or_sub_cint64_operand): Delete.
7249         (reg_or_logical_cint_operand): Delete.
7250         (got_operand): Delete.
7251         (got_no_const_operand): Delete.
7252         (easy_fp_constant): Delete.
7253         (easy_vector_constant): Delete.
7254         (easy_vector_constant_add_self): Delete.
7255         (zero_constant): Delete.
7256         (zero_fp_constant): Delete.
7257         (volatile_mem_operand): Delete.
7258         (offsettable_mem_operand): Delete.
7259         (mem_or_easy_const_operand): Delete.
7260         (add_operand): Delete.
7261         (non_add_cint_operand): Delete.
7262         (logical_operand): Delete.
7263         (non_logical_cint_operand): Delete.
7264         (mask_operand): Delete.
7265         (mask_operand_wrap): Delete.
7266         (mask64_operand): Delete.
7267         (mask64_2_operand): Delete.
7268         (and64_operand): Delete.
7269         (and64_2_operand): Delete.
7270         (and_operand): Delete.
7271         (reg_or_mem_operand): Delete.
7272         (lwa_operand): Delete.
7273         (symbol_ref_operand): Delete.
7274         (call_operand): Delete.
7275         (current_file_function_operand): Delete.
7276         (input_operand): Delete.
7277         (rs6000_nonimmediate_operand): Delete.
7278         (rs6000_tls_symbol_ref): Delete.
7279         (save_world_operation): Delete.
7280         (restore_world_operation): Delete.
7281         (load_multiple_operation): Delete.
7282         (store_multiple_operation): Delete.
7283         (vrsave_operation): Delete.
7284         (mfcr_operation): Delete.
7285         (mtcrf_operation): Delete.
7286         (lmw_operation): Delete.
7287         (stmw_operation): Delete.
7288         (branch_comparison_operator): Delete.
7289         (branch_positive_comparison_operator): Delete.
7290         (scc_comparison_operator): Delete.
7291         (trap_comparison_operator): Delete.
7292         (boolean_operator): Delete.
7293         (boolean_or_operator): Delete.
7294         (min_max_operator): Delete.
7295         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
7296         (EASY_VECTOR_15): Moved to here.
7297         (EASY_VECTOR_15_ADD_SELF): Move to here.
7298         (PREDICATE_CODES): Delete.
7299         * config/rs6000/rs6000-protos.h: Delete predicate functions.
7300         Declare functions no longer static.
7301         * config/rs6000/predicates.md: New.
7302         * config/rs6000/rs6000.md: Include predicates.md
7303
7304 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
7305
7306         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
7307         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
7308         REG_ALWAYS_RETURN.
7309         * cfgrtl.c (need_fake_edge_p): Likewise.
7310         * combine.c (distribute_notes): Likewise.
7311         * emit-rtl.c (try_split): Likewise.
7312         * recog.c (peephole2_opimize): Likewise.
7313         * reg-notes.def (ALWAYS_RETURN): Remove.
7314         * rtl.h (LCT_ALWAYS_RETURN): Remove.
7315         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
7316         * tree.h (ECF_ALWAYS_RETURN): Remove.
7317
7318 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7319
7320         PR middle-end/19874
7321         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
7322         between different machine modes is never a "useless" conversion.
7323
7324 2005-02-28  Geert Bosch  <bosch@gnat.com>
7325
7326         PR ada/15977
7327         * doc/contrib.texi: List contributors for Ada front end
7328
7329 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
7330
7331         * simplify-rtx.c (simplify_unary_operation_1,
7332         simplify_const_unary_operation): New, extracted from...
7333         (simplify_unary_operation): ... this one.
7334         (simplify_binary_operation_1,
7335         simplify_const_binary_operation): New, extracted from...
7336         (simplify_binary_operation): ... this one.
7337         * rtl.h (simplify_const_unary_operation,
7338         simplify_const_binary_operation): Add prototypes.
7339
7340 2005-02-28  Julian Brown  <julian@codesourcery.com>
7341
7342         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
7343         building libjava and caused PR regression/20228.
7344
7345 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
7346
7347         PR bootstrap/17383
7348         * Makefile.in (host_subdir): New.
7349         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
7350         * configure: Regenerate.
7351
7352 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
7353
7354         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
7355         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
7356         installation directory first.
7357
7358 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
7359
7360         PR target/19065.
7361         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
7362         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
7363         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7364         * config/cris/cris.md: Tweak comments referring to Q.
7365         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
7366         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
7367         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
7368         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
7369         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
7370         Insert spaces in constraints to align alternatives vertically for
7371         readability.
7372         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
7373         operand 1: "M".
7374
7375 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7376
7377         PR rtl-optimization/17728
7378         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
7379         operand 0 from general_operand to move_dest_operand.
7380
7381 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7382
7383         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
7384         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
7385         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
7386         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7387
7388 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
7389
7390         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
7391         * configure: Regenerate.
7392         * libada-mk.in: Remove CC; rename
7393         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
7394
7395 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
7396
7397         PR tree-opt/20188
7398         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
7399         for the lhs, also walk over the tree.  Likewise for rhs.
7400
7401 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
7402
7403         * tree-ssa-dom.c (simple_iv_increment_p): New function.
7404         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
7405         Do not propagate value of iv before increment over the increment.
7406
7407 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
7408
7409         * c-parser.c: New file.
7410         * c-parse.in: Remove.
7411         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
7412         Remove.
7413         (c-parser.o): Add dependencies.
7414         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
7415         maintainer-clean, TAGS): Update.
7416         * c-config-lang.in (gtfiles): Update.
7417         * gengtype-lex.l: Don't handle "@@".
7418         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
7419         objc_build_synchronized, objc_begin_try_stmt,
7420         objc_begin_catch_clause, objc_finish_catch_clause,
7421         objc_build_finally_clause, objc_finish_try_stmt): New.
7422         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
7423         type_seen_p.
7424         (c_parse_init): Update comment.
7425         * c-decl.c (c_init_decl_processing): Update comment.
7426         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7427         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
7428         new c_declspecs members.
7429
7430 2005-02-25  Julian Brown  <julian@codesourcery.com>
7431
7432         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7433         from being used for symbols with vague linkage when
7434         HAVE_GAS_COMDAT_GROUP is true.
7435
7436 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7437
7438         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
7439
7440 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
7441
7442         PR target/19930
7443         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
7444         (LIBGCC2_HAS_DF_MODE): New.
7445         (LIBGCC2_HAS_XF_MODE): New.
7446         (LIBGCC2_HAS_TF_MODE): New.
7447         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7448         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7449         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7450         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7451         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
7452         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
7453         and add _fixtfdi, _fixunstfdi, _floatditf
7454         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
7455         L_fixunstfdi, L_floatditf.
7456         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
7457         (LIBGCC2_HAS_TF_MODE): Define.
7458
7459 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
7460
7461         PR tree-optimization/20204
7462         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
7463         REWRITE_THIS_STMT markers on PHI nodes.
7464         (rewrite_initialize_block): Likewise.
7465
7466 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7467
7468         * version.c (version_string): Update to 4.1.
7469
7470 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
7471
7472         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
7473         Clarify that the alternative way doesn't work in GNU C++.
7474
7475 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7476
7477         PR tree-optimization/19937
7478         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
7479         to the type of the induction variable.
7480
7481 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7482
7483         PR rtl-optimization/20117
7484         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7485         the block including noncopyable insn.
7486
7487 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7488
7489         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7490         calls to find_reg_note.
7491
7492 2005-02-24  Richard Henderson  <rth@redhat.com>
7493
7494         PR tree-opt/20127
7495         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7496         the type.
7497
7498 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7499
7500         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7501         vector types if to use base reg for misaligned non-word ld/std.
7502
7503 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7504
7505         PR target/14619
7506         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7507         dwarf2 label manually and put it after, not before the prologue.
7508
7509 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7510
7511         PR target/19019
7512         * reload.c (operands_match_p): Only increment register number for
7513         SCALAR_INT_MODE_P modes in multiple hard registers.
7514
7515         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7516         Fix formatting.
7517
7518 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7519
7520         * ChangeLog.5: Fix log message typo(s).
7521         * ChangeLog.7: Likewise.
7522         * ChangeLog.tree-ssa: Likewise.
7523         * cfgexpand.c: Fix comment typo(s).
7524         * conflict.c: Likewise.
7525         * defaults.h: Likewise.
7526         * dwarf2out.c: Likewise.
7527         * gcse.c: Likewise.
7528         * ggc-page.c: Likewise.
7529         * tree-eh.c: Likewise.
7530         * tree-ssa-dom.c: Likewise.
7531
7532 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7533
7534         PR target/19019
7535         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7536         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7537         if SHARED is defined.
7538
7539         PR target/20196
7540         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7541         allow splitting only if operands 0 and 3 don't overlap.
7542
7543 2005-02-24  Richard Henderson  <rth@redhat.com>
7544
7545         PR middle-end/19953
7546         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7547         (fold_builtin_1): Call them.
7548         * fold-const.c (fold_complex_mult_parts): Split out from ...
7549         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7550         (fold_complex_div_parts, fold_complex_div): New.
7551         (fold): Use them.
7552         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7553
7554 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7555
7556         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7557         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7558
7559         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7560         (print_node): Likewise.
7561         Print TYPE_SIZES_GIMPLIFIED.
7562
7563 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7564
7565         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7566         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7567         operands as commutative in constraints.
7568
7569 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7570
7571         * tree-into-ssa.c: Re-organize internal functions.
7572
7573 2005-02-24  Richard Henderson  <rth@redhat.com>
7574
7575         PR middle-end/18902
7576         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7577         for c99.
7578         * common.opt (fcx-limited-range): New.
7579         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7580         * toplev.c (flag_complex_method): Initialize to 1.
7581         (process_options): Set flag_complex_method to 0 if
7582         flag_cx_limited_range.
7583         * doc/invoke.texi (-fcx-limited-range): New.
7584
7585 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7586
7587         * cse.c (delete_trivially_dead_insns): Speed up by using
7588         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7589         prev_real_insn.
7590
7591 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7592
7593         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7594         functions when -mid-shared-library is being used.
7595
7596 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7597
7598         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7599         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7600         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7601         * system.h: Poison LINK_LIBGCC_SPECIAL.
7602
7603 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7604
7605         * gengtype.c (note_insn_name): Make 1 element larger.
7606
7607 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7608
7609         PR target/20018
7610         PR rtl-optimization/20097
7611         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7612         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7613
7614 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7615
7616         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7617         * t-aix52 (SHLIB_INSTALL): Same.
7618
7619 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7620
7621         * genpreds.c: Update copyright.
7622
7623 2005-02-23  Michael Beach  <michaelb@ieee.org>
7624
7625         PR target/20159
7626         * config/sparc/t-elf (startup files): Assemble with CPP.
7627
7628 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7629
7630         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7631         (write_predicate_expr): Likewise.
7632
7633 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7634
7635         PR tree-optimization/20100
7636         PR tree-optimization/20115
7637         * tree-optimize.c (init_tree_optimization_passes): Remove
7638         pass_maybe_create_global_var.
7639         * tree-pass.h (pass_maybe_create_global_var): Remove.
7640         * tree-ssa-alias.c (aliases_computed_p): Declare.
7641         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7642         (count_calls_and_maybe_create_global_var): Remove.
7643         (pass_maybe_create_global_var): Remove.
7644         (init_alias_info): Do not declare aliases_computed_p.
7645         (maybe_create_global_var): If the function contains no
7646         call-clobbered variables and a mix of pure/const and regular
7647         function calls, create .GLOBAL_VAR.
7648         Mark all call-clobbered variables for renaming.
7649         (merge_pointed_to_info): Update comment.
7650         (add_pointed_to_var): Likewise.
7651         (is_escape_site): Likewise.
7652         Accept struct alias_info * instead of size_t *.
7653         Update all users.
7654         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7655         as necessary.
7656         * tree-ssa-operands.c (get_call_expr_operands): If
7657         ALIASES_COMPUTED_P is false, do not add call-clobbering
7658         operands.
7659         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7660         (delete_tree_ssa): Likewise.
7661
7662 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7663
7664         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7665         (do_compile): Do call it here.
7666
7667 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7668
7669         PR rtl-optimization/20017.
7670         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7671         rest_of_handle_cse2, rest_of_handle_gcse): Call
7672         delete_dead_jumptables immediately before calling cleanup_cfg.
7673
7674 2005-02-22  Devang Patel  <dpatel@apple.com>
7675
7676         PR 19952
7677         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7678         all labels
7679
7680 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7681
7682         * config/rs6000/aix.h (WINT_TYPE): Define.
7683
7684 2005-02-22  Stan Shebs  <shebs@apple.com>
7685
7686         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7687         natural alignment for 64-bit Darwin.
7688         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7689         on 64-bit Darwin.
7690         * doc/invoke.texi: Document this.
7691
7692 2005-02-22  DJ Delorie  <dj@redhat.com>
7693
7694         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7695         to make_[un]signed_type, not the mode itself.
7696
7697 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7698
7699         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7700         not available.  Use tail calls wherever possible.
7701         (make_edge): Call unchecked_make_edge to create an edge.
7702
7703         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7704         (coalesce_ssa_name): Don't check for
7705         SSANORM_USE_COALESCE_LIST.
7706         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7707
7708 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7709
7710         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7711         (rewrite_into_ssa): ... here.
7712
7713 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7714
7715         PR tree-optimization/19786
7716         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7717         tag to another's may-alias bitmap when adding to the other's list.
7718
7719 2005-02-21  DJ Delorie  <dj@redhat.com>
7720
7721         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7722         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7723         registers in unsupported ways.
7724         * expmed.c (init_expmed): Likewise.
7725
7726 2005-02-21  Stan Cox  <scox@redhat.com>
7727
7728         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7729
7730 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7731
7732         * tree-cfg.c (fold_cond_expr_cond): New.
7733         (make_edges): Call fold_cond_expr_cond.
7734         (find_taken_edge): Accept nothing but INTEGER_CST.
7735         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7736         and 1.
7737         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7738
7739         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7740         that do not belong to any basic block.
7741
7742 2005-02-21  Jeff Law  <law@redhat.com>
7743
7744         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7745         e->dest.
7746
7747 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7748
7749         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7750         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7751         Adjust their definitions.
7752         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7753         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7754
7755         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7756         genautomata.c, langhooks.c, langhooks.h, system.h,
7757         config/arm/lib1funcs.asm: Update copyright.
7758
7759 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7760
7761         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7762
7763 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7764
7765         PR bootstrap/13770
7766         * doc/install.texi: Document --with-gc.
7767
7768 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7769
7770         * simplify-rtx.c (simplify_unary_operation): Add a missing
7771         "break" statement.
7772
7773 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7774
7775         PR tree-optimization/18663
7776         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7777         if the type has variable bounds.
7778
7779 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7780
7781         * gcse.c: Remove an obsolete comment.
7782
7783         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7784
7785 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7786
7787         * doc/extend.texi (Function Attributes) <Attribute const>: The
7788         attribute "pure" is below this text, not above.
7789
7790 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7791
7792         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7793         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7794         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7795
7796 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7797
7798         PR 18785
7799         * langhooks.h (struct lang_hooks): Add to_target_charset.
7800         * langhooks.c (lhd_to_target_charset): New function.
7801         * langhooks-def.h: Declare lhd_to_target_charset.
7802         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7803         (LANG_HOOKS_INITIALIZER): Update.
7804         * c-common.c (c_common_to_target_charset): New function.
7805         * c-common.h: Declare it.
7806         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7807         c_common_to_target_charset.
7808
7809         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7810         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7811         Delete definitions.
7812         * system.h: Poison them.
7813         * doc/tm.texi: Don't discuss them.
7814         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7815         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7816         (pp_c_char): Do not attempt to generate letter escapes for
7817         newline, tab, etc.
7818         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7819         * config/mips/mips.c (mips_output_ascii): Likewise.
7820
7821 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7822
7823         PR tree-optimization/19951
7824         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7825         is abnormal.
7826
7827 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7828
7829         PR middle-end/19698
7830         * function.h (struct function): New field `max_loop_depth'.
7831         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7832         (flow_loops_find): Reset the max loop depth count before finding loops.
7833         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7834         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7835         (calculate_global_regs_live): Make sure the loop will terminate
7836         when the initial sets are not empty.
7837
7838 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7839
7840         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7841         object inside.
7842         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7843
7844 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7845
7846         PR other/19525
7847         * doc/invoke.texi: Remove documentation of %M spec.
7848         * gcc.c: Likewise.
7849         (init_spec): Remove %M suffix from -lgcc_s.
7850         (do_spec_1): Remove 'M' case.
7851         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7852         to put shared libraries in the multilib directory.  Remove the
7853         shlib_so_soname substitution variable.  Don't add a multilib encoding
7854         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7855         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7856         SHLIB_INSTALL as well as SHLIB_LINK.
7857         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7858         (SHLIB_NAME): Delete.
7859         (SHLIB_DIR): New macro.
7860         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7861         (SHLIB_INSTALL): Adjust accordingly.
7862         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7863         * config/t-slibgcc-sld: Likewise.
7864         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7865         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7866         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7867         in $(SHLIB_DIR).
7868         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7869         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7870         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7871         Use @shlib_base_name@ instead of @shlib_so_name@.
7872         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7873         and @shlib_base_name@.so in @multilib_dir@.
7874         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7875         to the install path.
7876         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7877         (SHLIB_LINK): Remove previous workaround.
7878         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7879         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7880         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7881         the install path.
7882         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7883         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7884         (SHLIB_INSTALL): Adjust accordingly.
7885         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7886         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7887         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7888         config/t-slibgcc-elf-ver.
7889
7890 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7891             Jakub Jelinek  <jakub@redhat.com>
7892
7893         PR tree-optimization/19828
7894         * tree-ssa-loop-im.c: Add a TODO comment.
7895         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7896         without side-effects.
7897
7898 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7899
7900         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7901         call fold_convert.
7902
7903 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7904
7905         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7906         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7907         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7908         functions.
7909         (ia64_reorg): Delete fixup_errata call.
7910         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7911         (TARGET_SWITCHES): Delete -mb-step entry.
7912
7913 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7914
7915         PR c/20043
7916         * c-typeck.c (composite_type): Handle quals in transparent unions.
7917         (type_lists_compatible_p): Likewise.
7918
7919 2005-02-18  Stan Shebs  <shebs@apple.com>
7920
7921         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7922         expressions in the .literal8 section.
7923
7924 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7925
7926         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7927
7928 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7929
7930         * fold-const.c (constant_boolean_node): Always create values of the
7931         specified type, don't bother calling truthvalue_conversion.
7932
7933 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7934
7935         * except.c (output_function_exception_table): Call
7936         assemble_external_libcall (eh_personality_libfunc).
7937
7938 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7939
7940         PR target/19886
7941         * config/ia64/ia64.h (struct machine_function): Add state_num.
7942         * config/ia64/ia64.c (process_epilogue,
7943         process_for_unwind_directive): Use new unwind state numbers each
7944         time rather than state 1.
7945
7946 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7947
7948         PR target/20054
7949         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7950         before the "*llgt_didi" pattern.
7951
7952 2005-02-18  Jason Merrill  <jason@redhat.com>
7953
7954         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7955
7956 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7957
7958         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7959         (div0): Use it in place of ARM_FUNC_ALIAS.
7960         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7961
7962 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7963
7964         PR middle-end/20030
7965         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7966         access, the lower bound of the array type if it exists.
7967
7968 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7969
7970         PR c++/20008
7971         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7972         cases that are out-of-range for the index type.
7973
7974 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7975
7976         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7977         (estimate_case_costs): Don't call convert.
7978         * expmed.c (expand_shift): Likewise.
7979         (make_tree): Call fold_convert instead of convert.
7980
7981 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7982
7983         PR c++/19813
7984         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7985         that ref to be marked MEM_READONLY_P doesn't have base that needs
7986         constructing.
7987
7988 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7989
7990         * genautomata.c (output_get_cpu_unit_code_func,
7991         output_cpu_unit_reservation_p): Don't generate old-style function
7992         definitions.
7993
7994 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7995
7996         PR c++/20023
7997         PR tree-optimization/20009
7998         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7999
8000         PR tree-optimization/18947
8001         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
8002         inline, remove all nodes that are inlined into the extern inline
8003         being redefined.
8004
8005 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8006
8007         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
8008         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
8009         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
8010         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
8011         Update copyright.
8012
8013 2005-02-17  Roger Sayle  <roger@eyesopen.com>
8014
8015         PR tree-optimization/19917
8016         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
8017         to be potentially trapping.
8018
8019 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8020
8021         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
8022
8023 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8024
8025         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
8026         tem becomes a local variable which is set to the value of the
8027         back end defined INITIAL_FRAME_ADDRESS macro.
8028         (expand_builtin_frame_address): Omit the base parameter to
8029         expand_builtin_return_addr.
8030         (expand_builtin_profile_func): Likewise.
8031         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
8032         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
8033         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
8034
8035 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
8036
8037         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
8038         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
8039         * config/frv/frv.c (frv_function_epilogue): Likewise.
8040
8041 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
8042
8043         * lambda-code (perfect_nestify): Remove mark/unmark
8044         for rewriting hack.
8045         * tree-loop-linear.c (linear_transform_loops): Add
8046         rewrite_into_ssa call so that ssa is correct for
8047         rewriting into loop closed.
8048
8049 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
8050
8051         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
8052         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
8053         BITMAP_FREE.
8054         * bt-load.c (btr_def_live_range, combine_btr_defs,
8055         migrate_btr_def, migrate_btr_defs): Likewise.
8056         * cfgcleanup.c (thread_jump): Likewise.
8057         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
8058         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
8059         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
8060         df_rd_local_compute, df_reg_info_compute): Likewise.
8061         * dominance.c (init_dom_info, free_dom_info): Likewise.
8062         * flow.c (init_propagate_block_info,
8063         free_propagate_block_info): Likewise.
8064         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
8065         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
8066         modify_reg_pav): Likewise.
8067         * loop-invariant.c (find_defs, find_invariant_insn,
8068         find_invariants, free_inv_motion_data): Likewise.
8069         * predict.c (tree_predict_by_opcode,
8070         estimate_bb_frequencies): Likewise.
8071         * stmt.c (expand_case): Likewise.
8072         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
8073         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
8074         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
8075         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
8076         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
8077         rewrite_ssa_into_ssa): Likewise.
8078         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8079         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
8080         analyze_edges_for_bb, perform_edge_inserts): Likewise.
8081         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
8082         * tree-sra.c (tree_sra): Likewise.
8083         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
8084         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8085         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
8086         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
8087         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
8088         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
8089         Likewise.
8090         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
8091         calculate_live_on_entry, calculate_live_on_exit,
8092         build_tree_conflict_graph): Likewise.
8093         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
8094         record_important_candidates, set_use_iv_cost, find_depends,
8095         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
8096         tree_ssa_iv_optimize_finalize): Likewise.
8097         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
8098         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
8099         tree_duplicate_loop_to_header_edge): Likewise.
8100         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
8101         * tree-ssa.c (verify_flow_insensitive_alias_info,
8102         verify_name_tags, verify_ssa, init_tree_ssa,
8103         delete_tree_ssa): Likewise.
8104         * tree-ssanames.c (marked_ssa_names, init_ssanames,
8105         fini_ssanames): Likewise.
8106         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8107
8108 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
8109
8110         * config/rs6000/t-rtems: Completely reworked.
8111
8112 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8113
8114         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8115
8116 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8117
8118         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8119         POINTER_TYPE_P when checking that type is a pointer.
8120         (vect_get_memtag): Remove.
8121         (vect_address_analysis): Use POINTER_TYPE_P. Call
8122         vect_object_analysis with dummy parameter for memtag.
8123         (vect_object_analysis): Extract memtag (functionality that
8124         used to be in vect_get_memtag and moved here). Fix printings.
8125         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8126         with correct parameters. Remove call to vect_get_memtag.
8127
8128 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
8129
8130         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8131         (tree-vectorizer.o): Added missing dependencies.
8132
8133         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8134         decleration.
8135         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8136         declaration in tree-vectorizer.c, now has an extern declaration in
8137         tree-vectorizer.h).
8138         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8139         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8140         get_vectype_for_scalar_type, vect_is_simple_use,
8141         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8142         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8143         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8144         vectorizable_store, vectorizable_operation, vectorizable_assignment,
8145         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8146         find_loop_location): Likewise.
8147
8148         * tree-vectorizer.c (langhooks.h): #include removed.
8149         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8150         moved to tree-vectorized.h.
8151         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8152         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8153         get_vectype_for_scalar_type, vect_is_simple_use,
8154         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8155         vect_supportable_dr_alignment, new_loop_vec_info,
8156         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8157         vect_set_verbosity_level, find_loop_location): Likewise.
8158
8159         (vect_analyze_loop): Function externalized. Declaration moved to
8160         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8161         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8162         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8163         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8164         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8165         vect_enhance_data_refs_alignment, vect_analyze_operations,
8166         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8167         vect_stmt_relevant_p, vect_get_loop_niters,
8168         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8169         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8170         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8171         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8172         vect_get_memtag): Likewise.
8173
8174         (vectorizable_load): Function externalized. Declaration moved to
8175         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8176         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8177         vect_transform_loop): Likewise.
8178         (vect_transform_stmt): Moved to tree-vect-transform.c.
8179         (vect_align_data_ref, vect_create_destination_var,
8180         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8181         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8182         vect_get_vec_def_for_operand, vect_init_vector,
8183         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8184         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8185         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8186         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8187         vect_do_peeling_for_loop_bound): Likewise.
8188
8189         * tree-vect-analyze.c: New file.
8190         * tree-vect-transform.c: New file.
8191
8192 2005-02-17  Jason Merrill  <jason@redhat.com>
8193
8194         PR mudflap/19319, c++/19317
8195         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8196         slot explicit.
8197
8198 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
8199
8200         * doc/install.texi (Specific): Update link for Darwin-specific
8201         tool binary site.
8202
8203 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
8204
8205         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
8206         constant_boolean_node.
8207
8208 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
8209
8210         PR target/19019
8211         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
8212         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
8213
8214 2005-02-16  Richard Henderson  <rth@redhat.com>
8215
8216         PR 19920
8217         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
8218         with W_TYPE_SIZE.
8219         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
8220         replace uses with Wtype_MAXp1_F.
8221         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
8222         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
8223         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
8224         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
8225         and HAVE_TFMODE as appropriate.
8226         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
8227         (__floatdisf): Likewise.
8228         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
8229         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
8230         (Wtype_MAXp1_F): New.
8231         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
8232         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
8233
8234 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
8235
8236         * PR target/19162
8237         * arm.c (arm_apply_result_size): New function.
8238         * arm.h (APPLY_RESULT_SIZE): Define.
8239         * arm-protos.h (arm_apply_result_size): Add prototype.
8240         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
8241         (movxf): New expand.
8242         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
8243         (call_value_symbol): Remove predicate for operand 0.
8244         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
8245         (untyped_call): Rework to correclty return values for any type.
8246         (untyped_return): New expand.
8247         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
8248
8249 2005-02-16  Stan Shebs  <shebs@apple.com>
8250
8251         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
8252         * config/rs6000/t-darwin8: New, for 64-bit multilib.
8253
8254 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8255
8256         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
8257         configure settings on Solaris 7 and later.
8258
8259 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
8260
8261         PR tree-optimization/19865
8262         * tree-optimize.c (init_tree_optimization_passes): Run
8263         pass_may_alias after pass_sra.
8264
8265 2005-02-16  Richard Henderson  <rth@redhat.com>
8266             Stuart Hastings  <stuart@apple.com>
8267
8268         PR debug/19521
8269         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
8270         Do nothing if debug info suppressed for this function.
8271         (dbxout_begin_function): Early exit if debug info suppressed for
8272         this function.
8273
8274 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
8275
8276         PR target/20007
8277         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
8278         find_basic_blocks.
8279         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
8280
8281         PR tree-optimization/19967
8282         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
8283         expand_builtin_strchr, expand_builtin_strrchr): Take a new
8284         argument TYPE.  Adjust calls to fold_builtin_XXX.
8285         (expand_builtin, fold_builtin_1): Adjust calls to
8286         expand_builtin_XXX.
8287         (fold_builtin_strchr, fold_builtin_strpbrk,
8288         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
8289         result to a requested type TYPE.
8290
8291 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
8292
8293         PR middle-end/19857
8294         * fold-const.c (fold): Don't optimize (T)(x & cst) to
8295         (T)x & (T)cst if (T)cst overflows.
8296         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
8297         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
8298
8299 2005-02-15  Jeff Law  <law@redhat.com>
8300
8301         * gcse.c (blocks_with_calls): New bitmap.
8302         (alloc_gcse_mem): Allocate it.
8303         (free_gcse_mem): Free it.
8304         (clear_modifY_mem_tables): Clear it.
8305         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
8306         when we encounter CALL_INSNs.
8307         (compute_transp, case MEM): Handle blocks with calls separate
8308         from blocks without calls.  Use bitmap iterators rather than
8309         FOR_EACH_BB.
8310
8311 2005-02-15  Peter O'Gorman  <peter@pogma.com>
8312
8313         PR bootstrap/18810
8314         * mklibgcc.in (vis_hide): Use a temporary object file, not
8315         -o /dev/null.
8316
8317 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8318
8319         PR target/19924
8320         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
8321         access optimization.
8322
8323 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
8324             Alan Modra  <amodra@bigpond.net.au>
8325
8326         PR target/19019
8327         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
8328         (_xlqsub): Rename to __gcc_qsub.
8329         (_xlqmul): Rename to __gcc_qmul.
8330         (_xlqdiv): Rename to __gcc_qdiv.
8331         Provide versioned symbol aliases with old names.
8332         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
8333         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
8334         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
8335         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
8336         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
8337
8338 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8339
8340         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
8341         Fold ~(A - 1) and ~(A + -1) to -A.
8342
8343 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8344
8345         PR pch/14940
8346         PR target/19300
8347         * config/host-linux.c (linux_gt_pch_use_address): Copy from
8348         config/pa/pa-host.c:pa_gt_pch_use_address.
8349
8350 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
8351
8352         * tree-vn.c (get_value_handle): Make sure that given an
8353         is_gimple_min_invariant expression, we always return it.
8354
8355 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8356
8357         * passes.c (rest_of_handle_gcse): Fix a comment.
8358
8359 2005-02-15  Jeff Law  <law@redhat.com>
8360
8361         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
8362         bitmap.
8363         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
8364         (canon_list_insert, record_last_mem_set_info): Similarly.
8365         (clear_modify_mem_tables): Similarly.
8366
8367 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8368
8369         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
8370         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
8371         config/mips/mips.md, config/rs6000/aix.h,
8372         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
8373
8374 2005-02-15  Richard Henderson  <rth@redhat.com>
8375
8376         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
8377         call to be best_edge.
8378
8379 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8380
8381         * basic-block.h: Adjust the prototype for find_basic_blocks.
8382         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
8383         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
8384         find_basic_blocks.
8385
8386         * flow.c (recompute_reg_usage): Remove all arguments.
8387         * passes.c (rest_of_compilation): Adjust the call to
8388         recompute_reg_usage.
8389         * rtl.h: Adjust the prototype for recompute_reg_usage.
8390
8391 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
8392
8393         * tree-dump.c (dump_files): Update to reflect new member
8394         of dump_file_info.
8395         (dump_register): Add new argument.
8396         Set glob name.
8397         (dump_switch_p_1): Check against glob name if doglob was passed.
8398         (dump_switch_p): Check against regular first, then glob if
8399         we didn't have any hits on the dump name.
8400         * tree-optimize.c (register_one_dump_file):
8401         Pass in glob name as well.
8402         * tree-pass.h (struct dump_file_info): Add glob
8403         member.
8404
8405 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
8406
8407         PR preprocessor/16323
8408         * doc/invoke.texi: Document that -Wendif-labels is on by default.
8409
8410 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
8411
8412         PR target/19019
8413         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
8414         (trunctfdf2_internal1): New.
8415         (trunctfdf2_internal2): Renamed from trunctfdf2.
8416
8417 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
8418
8419         PR tree-optimization/19853
8420         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
8421
8422 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8423
8424         * passes.c (rest_of_handle_loop_optimize): Remove calls to
8425         delete_dead_jumptables and cleanup_cfg.
8426
8427 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
8428
8429         * reload.c (find_reloads): Swap address_reloaded flags when
8430         swapping commutative operands.
8431
8432 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
8433
8434         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
8435         Use standard_iv_increment_position for computing the bsi position
8436         for create_iv.
8437         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
8438         the bsi position.
8439
8440 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
8441
8442         PR target/17428
8443         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
8444         life range of hard registers.
8445         * value-prof.c (insn_prefetch_values_to_profile): Only
8446         scan normal insns.
8447
8448         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
8449         profile in libcalls.
8450
8451 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
8452
8453         * bitmap.h (bitmap_and_compl_into): Return bool.
8454         * bitmap.c (bitmap_and_compl_into): Return changed flag.
8455
8456 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8457
8458         PR tree-optimization/19944
8459         * fold-const.c (fold): Re-add ABS_EXPR folding.
8460
8461 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
8462
8463         PR target/19019
8464         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
8465         {TARGET,MASK}_XL_COMPAT.
8466         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
8467         MASK_XL_COMPAT.
8468         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
8469         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
8470         TARGET_XL_COMPAT.
8471         (rs6000_arg_partial_bytes): Same.
8472         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
8473         and XL compatibility enabled.
8474         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
8475         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
8476         test to final condition.
8477         (cmptf_internal2): New.
8478         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
8479         xl-compat.  Add TFmode information to description.
8480
8481 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
8482
8483         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8484
8485 2005-02-13  Jason Merrill  <jason@redhat.com>
8486
8487         PR c++/16405
8488         * fold-const.c (fold_indirect_ref_1): Split out from...
8489         (build_fold_indirect_ref): Here.
8490         (fold_indirect_ref): New fn.
8491         * tree.h: Declare it.
8492         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8493         (gimplify_modify_expr_rhs): Likewise.
8494         (gimplify_expr): Likewise.
8495
8496 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8497
8498         PR tree-optimization/14303
8499         PR tree-optimization/15784
8500         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8501         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8502         ABS_EXPR<x> != 0 to x != 0.
8503
8504 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8505
8506         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8507         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8508         spelling conventions.
8509
8510         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8511         delete_trivially_dead_insns too many times.
8512
8513         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8514         tem and tem2.
8515
8516 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8517
8518         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8519         (vect_is_simple_iv_evolution): Remove redundant parameter
8520         and step check.
8521         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8522         without last parameter.
8523         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8524         Return pointer step. Call vect_is_simple_iv_evolution without
8525         last parameter. Check only that the step is multiple of size
8526         type. Remove stmt_vinfo updates.
8527         (vect_get_memtag_and_dr): Remove.
8528         (vect_get_memtag): New function.
8529         (vect_address_analysis): New function.
8530         (vect_object_analysis): New function.
8531         (vect_analyze_data_refs): Call vect_object_analysis and
8532         vect_get_memtag. Update stmt_vinfo fields.
8533
8534 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8535
8536         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8537         exist and are objects. Remove checks for pointer.
8538         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8539         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8540         (vect_create_data_ref_ptr): Likewise.
8541         (vect_base_addr_differ_p): New function.
8542         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8543         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8544         Don't set the DR_BASE_NAME field of data-ref.
8545         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8546
8547 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8548
8549         * optabs.h (enum optab_index): Add new OTI_ldexp.
8550         (ldexp_optab): Define corresponding macro.
8551         * optabs.c (init_optabs): Initialize ldexp_optab.
8552         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8553         patterns.
8554         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8555         using ldexp_optab.
8556         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8557         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8558
8559         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8560         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8561         intrinsics.
8562
8563 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8564
8565         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8566         to base_address.
8567         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8568         stmt_vec_info.
8569         (vect_get_base_and_offset): Always return an address.
8570         (vect_create_addr_base_for_vector_ref): Remove treatment for
8571         different data reference types.
8572         (vect_compute_data_ref_alignment): Rename base to base_address in
8573         stmt_vec_info. Get the object in order to force its alignment.
8574         (vect_get_memtag_and_dr): Rename base to base_address in
8575         stmt_vec_info. Extract the object for memtag analysis.
8576
8577 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8578
8579         PR regression/19898.
8580         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8581         changes cc_status, use apply modified_in_p to part of cc_status
8582         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8583         body.
8584
8585 2005-02-11  Richard Henderson  <rth@redhat.com>
8586
8587         * tree-complex.c (expand_complex_libcall): New.
8588         (expand_complex_multiplication): Use it for c99 compliance.
8589         (expand_complex_division): Likewise.
8590         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8591         (fold): Call them.
8592         * builtins.c (built_in_names): Remove const.
8593         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8594         builtins.
8595         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8596         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8597         (built_in_names): Remove const.
8598         * c-common.c (c_common_type_for_mode): Handle complex modes.
8599         * flags.h, toplev.c (flag_complex_method): Rename from
8600         flag_complex_divide_method.
8601         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8602         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8603         * libgcc2.h: Declare them.
8604         * libgcc-std.ver: Export them.
8605         * mklibgcc.in (lib2funcs): Build them.
8606
8607 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8608
8609         PR tree-optimization/19876
8610         Partially revert my change from 2005-01-14
8611         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8612         (compute_antic): ...and remove the loop here.
8613
8614 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8615
8616         PR middle-end/19858
8617         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8618         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8619
8620         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8621         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8622
8623 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8624
8625         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8626         offsets for the big-endian 32-bit case.
8627
8628 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8629
8630         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8631
8632 2005-02-11  Dale Johannesen  <dalej@apple.com>
8633
8634         * cselib.c (cselib_process_insn):  Clear out regs where
8635         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8636         * reload.c (find_equiv_reg): Ditto.
8637
8638 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8639
8640         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8641         with no elements.
8642
8643         * tree.c (build_function_type_list): Work correctly if there are
8644         no arguments.
8645
8646 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8647
8648         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8649         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8650         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8651         TARGET_ZARCH instead of TARGET_64BIT.
8652
8653 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8654
8655         * config/rs6000/t-rtems:
8656         (MULTILIB_OPTIONS): Remove mcpu=602.
8657         (MUTLILIB_DIRNAMES): Remove m602.
8658         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8659         Let mcpu=602 match mcpu=603.
8660         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8661
8662 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8663
8664         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8665         signal trampolines.
8666
8667 2005-02-10  David Daney  <ddaney@avtrex.com>
8668
8669         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8670         * config/i386/linux-unwind.h: Likewise.
8671         * config/ia64/linux-unwind.h: Likewise.
8672         * config/mips/linux-unwind.h: Likewise.
8673         * config/pa/linux-unwind.h: Likewise.
8674         * config/rs6000/linux-unwind.h: Likewise.
8675         * config/s390/linux-unwind.h: Likewise.
8676         * config/sh/linux-unwind.h: Likewise.
8677         * config/sparc/linux-unwind.h: Likewise.
8678
8679 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8680
8681         PR tree-optimization/17549
8682         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8683         TER to replace a DEF with its expression if the DEF and the
8684         rhs of the expression we replace into have the same root
8685         variable.
8686
8687 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8688
8689         * config/mips/mips.md: Fix the placement of the match_scratch in the
8690         lea64 peephole2.
8691
8692 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8693
8694         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8695         Fix comment typos.
8696
8697 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8698
8699         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8700         (strip_offset): Handle addresses.
8701         (add_address_candidates): Use strip_offset.
8702         (difference_cost): Reflect strip_offset change.
8703         (force_var_cost, difference_cost): Strip nops.
8704
8705 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8706
8707         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8708
8709         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8710         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8711         config/cris/cris-protos.h, config/cris/cris.c: Update
8712         copyright.
8713
8714 2005-02-10  Jeff Law  <law@redhat.com>
8715
8716         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8717         (lookup_avail_expr): Similarly.
8718
8719 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8720
8721         * builtins.c (fold_builtin_powi): New function.
8722         (fold_builtin_1): Call it.
8723
8724 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8725
8726         PR documentation/19309
8727         * doc/cpp.texi: The __GNUC__ and related predefined macros
8728         are also defined for the "standalone" cpp.
8729         Some non-GCC compilers may also define __GNUC__.
8730
8731 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8732
8733         PR c/19342
8734         * c-typeck.c (common_type): New routine.  Old common_type renamed
8735         to...
8736         (c_common_type): ...this.
8737         (build_conditional_expr, build_binary_op): Use c_common_type instead
8738         of common_type.
8739
8740 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8741
8742         * doc/md.texi: Replace @samp{length} with @code{length}.
8743
8744 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8745
8746         PR tree-optimization/18687
8747         * tree-flow.h (find_loop_niter): Declare.
8748         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8749         Try using scev even for loops with more than one exit.
8750         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8751         (struct ivopts_data): Added niters field.
8752         (struct nfe_cache_elt): New.
8753         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8754         functions.
8755         (tree_ssa_iv_optimize_init): Initialize niters cache.
8756         (determine_number_of_iterations): Removed.
8757         (find_induction_variables): Do not call determine_number_of_iterations.
8758         Access niters for single exit through niter_for_single_dom_exit.
8759         (add_iv_outer_candidates): Access niters for single exit through
8760         niter_for_single_dom_exit.
8761         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8762         number_of_iterations_cond.
8763         (iv_period): New function.
8764         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8765         (may_replace_final_value): Take data argument.  Use
8766         niter_for_single_dom_exit.
8767         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8768         (rewrite_use_compare): Pass data to may_eliminate_iv.
8769         (rewrite_use_outer): Pass data to may_replace_final_value.
8770         (free_loop_data): Clean up the niters cache.
8771         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8772         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8773         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8774         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8775         (num_ending_zeros): Moved to tree.c.
8776         * tree.h (num_ending_zeros): Declare.
8777         * tree.c (num_ending_zeros): Moved from tree.c.
8778
8779 2005-02-09  Richard Henderson  <rth@redhat.com>
8780
8781         * builtins.c (DEF_BUILTIN): Add COND argument.
8782         * tree.h (DEF_BUILTIN): Likewise.
8783         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8784         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8785         match.
8786         (DEF_BUILTIN_STUB): New.
8787         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8788         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8789         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8790         * c-common.c (DEF_BUILTIN): Add COND argument.
8791         * tree.c (local_define_builtin): New.
8792         (build_common_builtin_nodes): New.
8793
8794 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8795
8796         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8797         floating point expression ignoring the sign of the result.
8798         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8799         (fold) <MULT_EXPR>: Use it to simplify x*x.
8800         * tree.h (fold_strip_sign_ops): Prototype here.
8801         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8802         argument.  Use fold_strip_sign_ops to simplify the first argument.
8803         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8804         first argument when the second argument is an even integer
8805         constant, but only with -funsafe_math_optimizations.
8806         (fold_builtin_1): Update call to fold_builtin_copysign.
8807
8808 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8809
8810         PR middle-end/19583
8811         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8812         just check whether EH_FILTER_FAILURE falls through.
8813
8814 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8815
8816         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8817         insns return to ready list in the next turn.
8818
8819 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8820
8821         PR middle-end/19402
8822         * builtins.def: New __builtin_powi[lf].
8823         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8824         (expand_builtin_powi): New function.
8825         (expand_builtin): Dispatch to expand_builtin_powi.
8826         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8827         * libgcc2.c: Add __builtin_powi[lf] implementation.
8828         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8829         * optabs.h: Add powi_optab.
8830         * optabs.c (init_optabs): Initialize powi_optab.
8831         * doc/extend.texi: Document __builtin_powi[lf].
8832
8833 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8834
8835         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8836         exists.
8837
8838 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8839
8840         PR middle-end/19854
8841         * fold-const.c (try_move_mult_to_index): Remove redundant
8842         type argument.  Create ADDR_EXPR with correct type.
8843         (fold): Update callers of try_move_mult_to_index.  Convert
8844         result to the appropriate type.
8845
8846 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8847
8848         PR target/19597
8849         * config/avr/avr.c (default_rtx_costs): Delete.
8850         (avr_operand_rtx_cost): New function.
8851         (avr_rtx_costs): Completely rewrite.
8852
8853 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8854
8855         PR target/19806
8856         * config/cris/cris.c (in_code): New variable.
8857         (cris_output_addr_const): Now a static function, a wrapper for
8858         output_addr_const.
8859         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8860         case from old cris_output_addr_const.
8861         (cris_asm_output_label_ref): Similar for LABEL_REF.
8862         (cris_output_addr_const_extra): Similar for UNSPEC.
8863         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8864         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8865         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8866         declaration.
8867         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8868         (cris_asm_output_label_ref): Declare.
8869
8870 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8871
8872         PR preprocessor/19801
8873         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8874         filenames that changed when libcpp was moved to the toplevel.
8875
8876 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8877
8878         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8879         zero extensions of BImode operands.  Call lowpart_subreg instead
8880         of gen_lowpart_common and gen_lowpart_SUBREG.
8881
8882 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8883
8884         PR ada/19489
8885         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8886         * configure.ac: Set cc_for_cross_gnattools.
8887         * configure: Regenerate.
8888
8889 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8890
8891         PR target/19803
8892         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8893
8894 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8895
8896         PR debug/19327
8897         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8898         of nested functions.
8899
8900 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8901
8902         * doc/extend.texi: Document deprecated extensions allowing
8903         static floating-point members to have initializers and allowing
8904         floating-point literals in integral constant expressions.
8905
8906 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8907
8908         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8909         config/darwin7.h, config/mips/mips.c,
8910         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8911         Update copyright.
8912
8913         * cse.c: Update comments.
8914
8915 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8916
8917         PR middle-end/19775
8918         * builtins.c (fold_builtin_sqrt): Transform
8919         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8920         pow(x,y*0.5).
8921
8922 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8923             Dorit Naishlos  <dorit@il.ibm.com>
8924
8925         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8926         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8927         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8928         was added.
8929         * tree.h (vect_set_verbosity_level): New extern function declaration
8930         added.
8931         * tree-vectorizer.h (verbosity_levels): New enum type.
8932         * tree-vectorizer.c (vect_debug_stats): Function removed.
8933         (vect_debug_details): Likewise.
8934         (vect_verbosity_level): Global variable was defined and initialized.
8935         (vect_dump): Global variable definition.
8936         (vect_print_dump_info): New function.
8937         (vect_set_dump_settings): New function.
8938         (vect_set_verbosity_level): New function.
8939         (vectorize_loops): Add call to vect_set_dump_settings.
8940
8941         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8942         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8943         (slpeel_tree_peel_loop_to_edge): Likewise.
8944
8945         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8946         appropriate verbosity level instead of call to vect_debug_details
8947         or vect_debug_stats.
8948         (vect_get_base_and_offset):
8949         (vect_create_addr_base_for_vector_ref):
8950         (get_vectype_for_scalar_type):
8951         (vect_create_data_ref_ptr):
8952         (vect_init_vector):
8953         (vect_get_vec_def_for_operand):
8954         (vect_finish_stmt_generation):
8955         (vectorizable_assignment):
8956         (vectorizable_operation):
8957         (vectorizable_store):
8958         (vectorizable_load):
8959         (vect_transform_stmt):
8960         (vect_update_ivs_after_vectorizer):
8961         (vect_do_peeling_for_loop_bound):
8962         (vect_update_inits_of_drs):
8963         (vect_do_peeling_for_alignment):
8964         (vect_transform_loop):
8965         (vect_is_simple_use):
8966         (vect_analyze_operations):
8967         (vect_is_simple_iv_evolution):
8968         (vect_analyze_scalar_cycles):
8969         (vect_analyze_data_ref_dependence):
8970         (vect_analyze_data_ref_dependences):
8971         (vect_compute_data_ref_alignment):
8972         (vect_enhance_data_refs_alignment):
8973         (vect_analyze_data_refs_alignment):
8974         (vect_analyze_data_ref_access):
8975         (vect_analyze_data_ref_accesses):
8976         (vect_analyze_pointer_ref_access):
8977         (vect_get_memtag_and_dr):
8978         (vect_analyze_data_refs):
8979         (vect_mark_relevant):
8980         (vect_stmt_relevant_p):
8981         (vect_mark_stmts_to_be_vectorized):
8982         (vect_can_advance_ivs_p):
8983         (vect_get_loop_niters):
8984         (vect_analyze_loop_form):
8985         (vect_analyze_loop):
8986         (vectorize_loops): Likewise.
8987
8988         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8989         (vect_update_inits_of_drs):
8990         (vect_do_peeling_for_alignment):
8991         (vect_transform_loop):
8992         (vect_analyze_operations):
8993         (vect_analyze_scalar_cycles):
8994         (vect_analyze_data_ref_dependences):
8995         (vect_analyze_data_refs_alignment):
8996         (vect_analyze_data_ref_accesses):
8997         (vect_analyze_data_refs):
8998         (vect_mark_stmts_to_be_vectorized):
8999         (vect_get_loop_niters):
9000         (vect_analyze_loop_form):
9001         (vect_analyze_loop): Likewise.
9002         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
9003
9004 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
9005
9006         PR bootstrap/19796
9007         Revert:
9008         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9009         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9010         either -ffast-math or -funsafe-math-optimizations is in use.
9011
9012         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9013         * config/mips/irix-csr.c: New file.
9014         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9015         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9016         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9017         executables.
9018
9019 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
9020
9021         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
9022         redundant, incorrect definitions.
9023
9024         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
9025         expand.
9026         ("*tls_indirect_call"): New, reference hard regs directly.
9027         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
9028
9029 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9030
9031         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
9032         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
9033
9034 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9035
9036         PR rtl-optimization/19800
9037         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
9038         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
9039         gen_lowpart.
9040
9041 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9042
9043         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
9044
9045 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
9046
9047         PR other/17135
9048         * doc/invoke.texi: Correct documentation of -freorder-functions.
9049
9050 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9051
9052         PR other/14402
9053         * doc/invoke.texi: Don't mention gccbug.
9054
9055 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9056             Andrew Pinski  <pinskia@physics.uc.edu>
9057             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
9058
9059         * simplify-rtx.c (simplify_relational_operation_1): Simplify
9060         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
9061         into just (zero_extract:SI FOO (const_int 1) BAR).
9062
9063 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9064
9065         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
9066         macro locally.  Don't give last revision date.  Use GCC version
9067         number from gcc-common.texi.
9068         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
9069         revision date.  Use GCC version number from gcc-common.texi.
9070         Describe being a library as current state rather than as 3.x
9071         history.
9072         * doc/gcc.texi: Remove last update date.
9073         * doc/gccint.texi: Likewise.  Update copyright dates.
9074         * doc/install.texi: Update copyright dates.
9075
9076 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9077
9078         PR other/7549
9079         * doc/invoke.texi: Mention for each option included in -Wall that
9080         it is included in -Wall.
9081         * doc/gcc.texi: Update copyright and last modification date.
9082
9083 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9084
9085         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
9086         unnecessary cast to original induction variable increments.
9087
9088 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9089
9090         PR tree-optimization/18219
9091         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
9092         in distributed form.
9093
9094 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
9095
9096         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
9097         Set bitpos and offset later in the function.  Do nothing if the
9098         target is a register and if the bitfield lies completely outside
9099         that register.
9100         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
9101         here.  Return an uninitialised register if the source value is stored
9102         in a register and the bitfield lies completely outside that register.
9103
9104 2005-02-06  Steven Bosscher  <stevenb@suse.de>
9105
9106         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9107         not SET_DEST.
9108
9109 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
9110
9111         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9112
9113 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
9114
9115         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9116         * config/darwin8.h: New.
9117         * config/darwin7.h: Update comment.
9118
9119 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9120             Dorit Naishlos  <dorit@il.ibm.com>
9121
9122         * tree-vectorizer.h (LOC): New type.
9123         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9124         (loop_line_number): New field in struct _loop_vec_info.
9125         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9126
9127         * tree-vectorizer.c (input.h): Included.
9128         (find_loop_location): New function.
9129         (vect_debug_stats): Argument changed from loop to LOC. Computation of
9130         loop line number removed.
9131         (vect_debug_details): Likewise.
9132         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9133
9134         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9135         call to vect_debug_details/stats changed from loop to loop_loc.
9136         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9137         (slpeel_tree_peel_loop_to_edge): Likewise.
9138
9139         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9140         changed from NULL to UNKNOWN_LOC.
9141         (vect_get_base_and_offset):
9142         (vect_create_addr_base_for_vector_ref):
9143         (get_vectype_for_scalar_type):
9144         (vect_create_data_ref_ptr):
9145         (vect_init_vector):
9146         (vect_get_vec_def_for_operand):
9147         (vect_finish_stmt_generation):
9148         (vectorizable_assignment):
9149         (vectorizable_operation):
9150         (vectorizable_store):
9151         (vectorizable_load):
9152         (vect_transform_stmt):
9153         (vect_update_ivs_after_vectorizer):
9154         (vect_do_peeling_for_loop_bound):
9155         (vect_do_peeling_for_alignment):
9156         (vect_transform_loop):
9157         (vect_is_simple_use):
9158         (vect_analyze_operations):
9159         (vect_is_simple_iv_evolution):
9160         (vect_analyze_scalar_cycles):
9161         (vect_analyze_data_ref_dependences):
9162         (vect_compute_data_ref_alignment):
9163         (vect_enhance_data_refs_alignment):
9164         (vect_analyze_data_ref_access):
9165         (vect_analyze_data_ref_accesses):
9166         (vect_analyze_pointer_ref_access):
9167         (vect_get_memtag_and_dr):
9168         (vect_analyze_data_refs):
9169         (vect_mark_relevant):
9170         (vect_stmt_relevant_p):
9171         (vect_mark_stmts_to_be_vectorized):
9172         (vect_can_advance_ivs_p):
9173         (vect_get_loop_niters):
9174         (vect_analyze_loop):
9175         (vectorize_loops): Likewise.
9176
9177         (vectorizable_load): Argument in call to vect_debug_details/stats
9178         changed from loop to LOOP_LOC (loop_vinfo).
9179         (vect_transform_loop):
9180         (vect_analyze_operations):
9181         (vect_analyze_scalar_cycles):
9182         (vect_analyze_data_ref_dependence):
9183         (vect_enhance_data_refs_alignment):
9184         (vect_analyze_data_ref_accesses):
9185         (vect_analyze_pointer_ref_access):
9186         (vect_analyze_data_refs):
9187         (vect_analyze_loop): Likewise.
9188
9189         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9190         changed from loop to loop_loc.
9191
9192         (vect_enhance_data_refs_alignment): Removed unused variable loop.
9193
9194 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9195             Dorit Naishlos  <dorit@il.ibm.com>
9196
9197         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9198         declaration added.
9199         (vect_analyze_data_ref_dependences): Likewise.
9200
9201         (vect_is_simple_use): Argument changed from loop structure to
9202         loop_vect_info structure.
9203         (vect_can_advance_ivs_p): Likewise.
9204         (vect_create_index_for_vector_ref): Likewise.
9205         (vect_update_ivs_after_vectorizer): Likewise.
9206         (new_stmt_vec_info): Likewise.
9207
9208         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
9209         changed from loop to loop_vinfo.
9210         (vect_create_data_ref_ptr): First argument in call to
9211         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
9212         (vectorizable_assignment): Second argument in call to vect_is_simple_use
9213         was changed from loop to loop_vinfo.
9214         (vectorizable_operation): Likewise.
9215         (vectorizable_store): Likewise.
9216         (vect_mark_stmts_to_be_vectorized): Likewise.
9217         (vect_do_peeling_for_loop_bound): First argument in call to
9218         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
9219         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
9220         was changed from loop to loop_vinfo.
9221         (vect_analyze_data_ref_dependences): Third argument in call to
9222         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
9223
9224         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
9225         (vect_create_data_ref_ptr): Likewise.
9226         (vect_init_vector): Likewise.
9227         (vect_get_vec_def_for_operand): Likewise.
9228         (vectorizable_assignment): Likewise.
9229         (vectorizable_operation): Likewise.
9230         (vectorizable_store): Likewise.
9231         (vectorizable_load): Likewise.
9232         (vect_update_ivs_after_vectorizer): Likewise.
9233         (vect_is_simple_use): Likewise.
9234         (vect_analyze_data_ref_dependence): Likewise.
9235         (vect_analyze_pointer_ref_access): Likewise.
9236         (vect_can_advance_ivs_p): Likewise.
9237
9238         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
9239         before _stmt_vec_info.
9240         (_stmt_vec_info): Loop field replaced by loop_vec_info.
9241         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
9242         (new_stmt_vec_info): Argument changed from loop structure to
9243         loop_vect_info structure
9244
9245         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
9246         (vect_analyze_offset_expr): Avoid 80 columns overflow.
9247         (vect_create_addr_base_for_vector_ref): Likewise.
9248         (vect_analyze_pointer_ref_access): Likewise.
9249
9250 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9251
9252         PR tree-opt/19768
9253         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
9254         phi flag if the phi is abnormal.
9255
9256 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9257
9258         PR tree-opt/19736
9259         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
9260         information for the new statement.
9261
9262 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9263
9264         PR driver/19117
9265         * gcc.c (main): Include the target in -v output.
9266
9267 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
9268
9269         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9270         Do not drop the extend if we'd have to add a paradoxical subreg
9271         later.  Include optabs.h and insn-codes.h.
9272         * Makefile.in (combine.o): Depend on $(OPTABS_H).
9273
9274 2005-02-02  Roger Sayle  <roger@eyesopen.com>
9275
9276         PR middle-end/19405
9277         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
9278         * fold-const.c (const_binop): Avoid constant folding floating
9279         point operations in modes that use composite representations.
9280         * simplify-rtx.c (simplify_binary_operation): Likewise.
9281
9282 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
9283
9284         * config/rs6000/altivec.md (altivec_dst): Make the first operand
9285         a REG, not a MEM.
9286         (altivec_dstt): Likewise.
9287         (altivec_dstst): Likewise.
9288         (altivec_dststt): Likewise.
9289         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
9290         of first operand.
9291
9292 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9293
9294         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
9295         EXPR_LOCUS from orig_cond to the new cond_stmt.
9296         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
9297         the new vec_stmt.
9298
9299 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9300
9301         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
9302         standard_iv_increment_position. Remove call to bsi_next
9303         (no need to bump the iterator anymore).
9304         (vect_create_index_for_vector_ref): Call
9305         standard_iv_increment_position. Remove second function argument.
9306         (vect_finish_stmt_generation): Remove call to bsi_next
9307         (no need to bump the iterator anymore).
9308         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
9309         to vect_create_index_for_vector_ref.
9310
9311 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9312
9313         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
9314         phis are used out of the loop.
9315
9316 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9317
9318         PR c/17807
9319         * c-decl.c (undef_nested_function): New variable.
9320         (pop_scope): Diagnose undefined nested functions.
9321         (finish_function): Don't attempt cgraph processing or genericizing
9322         if current top-level function contained an undefined nested
9323         function.  Reset undef_nested_function at the end of a top-level
9324         function.
9325
9326 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
9327
9328         * tree.c (build_int_cst_type): Take sign of the value into account
9329         when deciding whether sign extend the value.
9330
9331 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9332
9333         PR c/18502
9334         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
9335         (cpp_options, cc1_options): Change %{std*&ansi} to
9336         %{std*&ansi&trigraphs}.
9337
9338 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9339
9340         * cse.c: Update comments.
9341
9342 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
9343
9344         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
9345         arguments go on the stack.  Do not put complex doubles in odd/even
9346         pairs.
9347
9348 2005-02-02  Steven Bosscher  <stevenb@suse.de>
9349
9350         * doc/invoke.texi: Update the options enabled at -O1, -O2,
9351         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
9352         -ftree-pre, and -fthread-jumps.
9353
9354 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
9355
9356         PR tree-optimization/19578
9357         * tree-flow.h (modified_noreturn_calls): Declare.
9358         (noreturn_call_p): Declare.
9359         * tree-flow-inline.h (noreturn_call_p): New function.
9360         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
9361         * tree-cfg.c (modified_noreturn_calls): New variable.
9362         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
9363         that contain a mid-block noreturn call.
9364         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
9365
9366 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9367
9368         * df.c (df_def_record_1, df_uses_record): Don't use
9369         DF_FOR_REGALLOC.
9370         * df.h (DF_FOR_REGALLOC): Remove.
9371
9372 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9373
9374         PR c/19435
9375         * c-typeck.c (really_start_incremental_init): Reset
9376         constructor_max_index for arrays of incomplete type.
9377
9378 2005-02-02  Jeff Law  <law@redhat.com>
9379
9380         * gcse.c (struct reg_set): Store the block index where the register
9381         was set rather than the setting insn.
9382         (record_one_set, compute_transp): Corresponding changes.
9383         (pre_insert_copy_insn): Do not call replace_one_set.
9384         (replace_one_set): Remove.
9385
9386 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9387
9388         PR other/15514
9389         * doc/gcov.texi: Fix typo.
9390
9391 2005-02-01  Richard Henderson  <rth@redhat.com
9392
9393         PR target/19680
9394         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
9395         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
9396         type to bool.
9397         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
9398         * config/i386/i386-protos.h: Update.
9399
9400 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9401
9402         PR tree-optimization/19217
9403         * tree-cfg.c (verify_expr): Use the data field to see if TP was
9404         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
9405         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
9406         that it is walking a PHI node.
9407
9408 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
9409
9410         * doc/extend.texi (Nested Functions): Update.
9411
9412 2005-02-01  Richard Henderson  <rth@redhat.com>
9413
9414         PR 19696
9415         * optabs.c (expand_copysign_absneg): Export.
9416         * optabs.h (expand_copysign_absneg): Declare.
9417         * config/rs6000/rs6000.md (copysigntf3): New.
9418
9419 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9420
9421         PR tree-optimization/19633
9422         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
9423         * tree-ssa-alias.c (init_alias_info): Initialize.
9424         (merge_pointed_to_info): Set.
9425         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
9426         (dump_points_to_info_for): Show value of pt_null.
9427         (struct count_ptr_d): Declare.
9428         (find_ptr_dereference): Remove.
9429         (ptr_is_dereferenced_by): Remove.
9430         (count_ptr_derefs): New local function.
9431         (count_uses_and_derefs): New local function.
9432         (compute_points_to_and_addr_escape): Call it.  If the number
9433         of dereferences is greater than zero, mark the pointer as
9434         dereferenced.  If there are fewer dereferences than uses of
9435         the pointer, the pointer's value escapes.
9436
9437 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9438
9439         PR tree-optimization/19670
9440         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
9441         here...
9442         (verify_use): ... set it here, instead.
9443
9444 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
9445
9446         * doc/sourcebuild.texi (Test directives): Fix formatting.
9447
9448         * doc/sourcebuild.texi (Test directives): Describe selector
9449         expressions.
9450
9451 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9452
9453         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
9454         specific 64-bit CPUs.
9455
9456 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
9457
9458         PR target/16201
9459         * arm.c (arm_eliminable_register): New function.
9460         (adjacent_mem_locations): Don't allow eliminable registers.  Use
9461         HOST_WIDE_INT for address offsets.
9462         * arm-protos.h (arm_eliminable_register): Add prototype.
9463
9464 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9465
9466         PR optimization/15242
9467         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
9468         * basic-block.h (duplicate_computed_gotos): Add prototype.
9469         * bb-reorder.c (duplicate_computed_gotos): New function to
9470         duplicate sufficiently small blocks ending in a computed jump.
9471         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
9472         if not optimizing for size.
9473         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
9474         never do tail merging for blocks ending in a computed jump.
9475         * doc/invoke.texi: Document the max-goto-duplication-insns param.
9476
9477 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
9478
9479         Patch from Richard Sandiford <rsandifo@redhat.com>
9480         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
9481         from inheriting a subreg equivalence with a non-spill register.
9482
9483         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9484
9485 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9486
9487         * config/frv/frv.c (movcc_fp_destination_operand): New.
9488         (gpr_or_memory_operand): Fix typo in comment.
9489         (gpr_or_memory_operand_with_scratch): New.
9490         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9491         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9492         movcc_fp_destination_operand.
9493         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9494         Legitimize memory addresses using a scratch register.
9495
9496 2005-01-31  Jeff Law  <law@redhat.com>
9497
9498         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9499         bitmap a sparse bitmap instead of a simple bitmap.
9500         (mark_def_sites_initialize_block):  Corresponding changes.
9501         (ssa_mark_def_sites_initialize_block): Likewise.
9502         (ssa_mark_phi_uses): Likewise.
9503         (mark_def_site, ssa_mark_def_sites): Likewise.
9504         (mark_def_site_blocks): Likewise.
9505         (rewrite_ssa_into_ssa): Likewise.
9506
9507         * tree-ssa-dom.c (record_cond): Pass correct variable type
9508         for last argument to htab_find_slot_with_hash.
9509
9510         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9511         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9512
9513 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9514
9515         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9516         1_mmalua.
9517
9518 2005-02-01  Eric Christopher  <echristo@redhat.com>
9519
9520         * config/mips/mips.c (override_options): Warn if -mint64
9521         is used.
9522         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9523         deprecated.
9524
9525 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9526
9527         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9528         timestamp.
9529         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9530         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9531         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9532         (cached_regno): Initialize to INVALID_REGNUM.
9533         (cse_reg_info_table_size,
9534         cse_reg_info_table_first_uninitialized,
9535         cse_reg_info_timestamp): New.
9536         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9537         get_cse_reg_info.
9538         (init_cse_reg_info, get_cse_reg_info_1): New.
9539         (get_cse_reg_info): Cache the last look-up.
9540         (new_basic_block): Update the code to clear mappings from
9541         registers to cse_reg_info entries.
9542         (cse_main): Call init_cse_reg_info.
9543
9544         * cse.c (get_cse_reg_info): Update a comment.
9545
9546 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9547
9548         PR c/19333
9549         * c-decl.c (start_decl): Do not warn about arrays of elements with
9550         an incomplete type here.
9551         (grokdeclarator): Do it here by making a pedwarn an error.
9552         * c-typeck.c (push_init_level): If there were previous errors with
9553         the constructor type, do not warn about braces for initializers.
9554         (process_init_element): Likewise for excess initializer elements.
9555
9556 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9557
9558         * cse.c (delete_trivially_dead_insn): Don't iterate.
9559
9560 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9561
9562         * config/rs6000/rs6000.md (copysignsf3): New expand.
9563         (copysigndf3): Likewise.
9564
9565 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9566
9567         * recog.c (constrain_operands): Only look for earlyclobber operand
9568         conflicts if an '&' constraint was seen.
9569
9570 2005-01-31  Marc Espie <espie@openbsd.org>
9571
9572         * config.gcc: Don't include embedded systems fragment, switches default
9573         debugging format to ELF.
9574         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9575         longer pick it up there.
9576
9577 2005-01-31  Dale Johannesen  <dalej@apple.com>
9578
9579         * doc/extend.texi (nested functions): Fix linkage description.
9580         Clarify that static is not allowed.
9581
9582 2005-01-31  Dale Johannesen  <dalej@apple.com>
9583
9584         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9585         (movdf_low_di):  Make work.
9586
9587 2005-01-31  Dale Johannesen  <dalej@apple.com>
9588
9589         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9590         Make work for 64 bit.
9591
9592 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9593             Dale Johannesen  <dalej@apple.com>
9594
9595         PR middle-end/19650
9596         * fold-const.c (fold_binary_op_with_conditional_arg):
9597         Make types match original operands, before STRIP_NOPS.
9598
9599 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9600
9601         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9602         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9603         (struct gcc_sigcontext): Delete.  Merge contents to..
9604         (struct gcc_ucontext): ..here.
9605         (get_sigcontext): Delete.
9606         (get_regs): New function, like get_sigcontext but return regs ptr.
9607         64-bit version finds regs from r1 to support vdso.
9608         (ppc_linux_aux_vector): New function.
9609         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9610         and vector regs.
9611
9612 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9613
9614         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9615         sizetype.
9616         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9617         redundant fold. Fix misalignment for MINUS_EXPR.
9618         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9619         (vect_analyze_pointer_ref_access): Likewise.
9620         (vect_get_memtag_and_dr): Likewise.
9621
9622 2005-01-31  Richard Henderson  <rth@redhat.com>
9623
9624         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9625         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9626         absnegdf2_i387, absnegxf2_i387): Likewise.
9627
9628 2005-01-31  Richard Henderson  <rth@redhat.com>
9629
9630         PR 19696
9631         * optabs.c (expand_copysign_absneg): New.
9632         (expand_copysign_bit): Split out from ...
9633         (expand_copysign): ... here.  Use expand_copysign_absneg.
9634
9635 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9636
9637         PR middle-end/19697
9638         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9639         constant as the second operand and a register as the third.
9640
9641 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9642
9643         PR target/19704
9644         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9645         that dllimport'd functions do not use all call-clobbered registers
9646         to pass parameters.
9647
9648 2005-01-30  Richard Henderson  <rth@redhat.com>
9649
9650         PR 19696
9651         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9652         expand_abs_nojump and generalize.  Use operand_subword and
9653         emit_no_conflict_block.  Support large modes.
9654         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9655         back to maximum.
9656         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9657         negation to subtraction.
9658         (expand_copysign): Check that the format has signed zeros.
9659         Use operand_subword and emit_no_conflict_block.  Support large modes.
9660
9661 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9662
9663         Fix PR tree-optimization/19624
9664
9665         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9666         * tree-ssa-pre.c: Add cfgloop.h.
9667         Update comment.
9668         (pre_stats): New member, constified.
9669         (inserted_exprs): New static variable.
9670         (NECESSARY): New macro.
9671         (create_expression_by_pieces): Fold the expression, and
9672         mark it as defaulting to not necessary. Also put in
9673         inserted_exprs.
9674         (fully_constant_expression): New function.
9675         (insert_into_preds_of_block): Modify to not insert phis when we
9676         are playing with induction variables.
9677         Push phis onto the inserted_exprs vector, and mark them as not
9678         necessary by default.
9679         (insert_aux): Call fully_constant_expression on eprime.
9680         If all edges produce the same value, mark it constant.
9681         (mark_operand_necessary): New function.
9682         (remove_dead_inserted_code): New function.
9683         (init_pre): Init loop optimizer to get loop info.
9684         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9685         (execute_pre): Commit edge inserts, then remove dead code.
9686
9687 2005-01-30  Richard Henderson  <rth@redhat.com>
9688
9689         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9690         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9691
9692 2005-01-30  Richard Henderson  <rth@redhat.com>
9693
9694         PR target/19700
9695         * config/i386/i386.c (ix86_expand_copysign): New.
9696         (ix86_split_copysign_const): New.
9697         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9698         rearrange op1/nmask operands.
9699         * config/i386/i386-protos.h: Update.
9700         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9701         (copysigndf3): Likewise.
9702         (copysignsf3_const, copysigndf3_const): New.
9703         (copysignsf3_var): Rename from copysignsf3, split out splitter
9704         and fix split predicate for X constraint.
9705         (copysigndf3_var): Similarly.
9706
9707 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9708
9709         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9710         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9711         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9712
9713 2005-01-29  Richard Henderson  <rth@redhat.com>
9714
9715         PR target/19690
9716         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9717         of # and * in constraints.
9718
9719 2005-01-29  Richard Henderson  <rth@redhat.com>
9720
9721         PR middle-end/19689
9722         * expr.c (store_field): Don't strip sub-mode cast when the input
9723         data is even smaller.
9724
9725 2005-01-29  Richard Henderson  <rth@redhat.com>
9726
9727         PR middle-end/19687
9728         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9729         union being empty.
9730
9731 2005-01-29  Richard Henderson  <rth@redhat.com>
9732
9733         * combine.c (make_field_assignment): Fix argument order
9734         to gen_int_mode.
9735
9736 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9737
9738         PR tree-optimization/15791
9739         * fold-const.c (extract_array_ref): New function.
9740         (fold): Fold comparisons between &a[i] and &a[j] or
9741         semantically equivalent trees.
9742
9743 2005-01-29  Jeff Law  <law@redhat.com>
9744
9745         * gcse.c (insert_expr_in_table): Revamp handling of available
9746         and anticipatable occurrence lists to avoid unnecessary list
9747         walking.
9748         (insert_set_in_table): Similarly.
9749
9750 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9751
9752         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9753         build string type.
9754         (c_build_qualified_type): Build qualified array types with
9755         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9756         * c-decl.c (c_make_fname_decl): Build unqualified array type
9757         before qualified type.
9758         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9759         type is qualified, not just if type itself is.  Don't apply
9760         qualifiers to array type when declarator is processed.  Apply
9761         qualifiers to field type whether or not it is an array type.
9762         Don't handle array types specially for applying qualifiers to
9763         variables.
9764         * c-typeck.c (composite_type): Build unqualified element type and
9765         array type when forming composite of array types.
9766         (common_pointer_type, comptypes, comp_target_types,
9767         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9768         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9769         types.
9770         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9771         (args2) in variables a1 and a2.
9772
9773 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9774
9775         * cse.c (n_elements_made, max_elements_made): Remove.
9776         (insert): Don't touch n_elements_made.
9777         (cse_main): Don't touch n_elements_made or max_elements_made.
9778
9779 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9780
9781         PR target/15384
9782         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9783         configuration part of dp-bit.c to be lost.
9784
9785 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9786
9787         * expmed.c (expand_mult_highpart_optab): When attempting to use
9788         a non-widening multiplication in a wider mode, the operands need
9789         to be converted (zero or sign extended) to that mode.
9790
9791 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9792
9793         PR middle-end/16558
9794         PR middle-end/19583
9795         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9796         through if both operands fall through.
9797
9798 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9799
9800         * cse.c (fold_rtx) <PC>: Don't optimize.
9801
9802 2005-01-28  Jeff Law  <law@redhat.com>
9803
9804         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9805         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9806
9807 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9808
9809         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9810         cse_reg_info_used_list_end): Remove.
9811         (cse_reg_info_list, cse_reg_info_list_free): New.
9812         (get_cse_reg_info): When allocating an instance of
9813         cse_reg_info, add it to the beginning of the cse_reg_info_list
9814         list.  Remove code to maintain cse_reg_info_used_list.
9815         (new_basic_block): Reset the free list to the beginning of
9816         cse_reg_info_list.
9817
9818 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9819
9820         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9821         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9822         (frv_expand_mdpackh_builtin): New function.
9823         (frv_expand_builtin): Use it to expand __MDPACKH.
9824         * doc/extend.texi (__MDPACKH): Update documentation.
9825
9826 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9827
9828         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9829         SSE_FLOAT_MODE_P for use_sse computation.
9830
9831 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9832
9833         PR target/19663
9834         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9835
9836 2005-01-27  Richard Henderson  <rth@redhat.com>
9837
9838         * builtins.c (expand_builtin_copysign): New.
9839         (expand_builtin): Call it.
9840         * genopinit.c (optabs): Add copysign_optab.
9841         * optabs.c (init_optabs): Initialize it.
9842         (expand_copysign): New.
9843         * optabs.h (OTI_copysign, copysign_optab): New.
9844         (expand_copysign): Declare.
9845
9846         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9847         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9848
9849         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9850         (ix86_expand_fp_absneg_operator): ... here.
9851         (ix86_split_copysign): New.
9852         * config/i386/i386-protos.h: Update.
9853         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9854         (copysignsf3, copysigndf3): New.
9855
9856         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9857         (copysignsf3, ncopysignsf3): New.
9858         (copysigndf3, ncopysigndf3): New.
9859         (copysignxf3, ncopysignxf3): New.
9860         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9861
9862 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9863             Kazu Hirata  <kazu@cs.umass.edu>
9864
9865         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9866         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9867         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9868         NULL_RTX.
9869
9870 2005-01-27  Jeff Law  <law@redhat.com>
9871
9872         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9873         definitions of SSA_NAMEs which are not being rewritten.
9874         (rewrite_ssa_into_ssa): Only initialize the current definition
9875         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9876         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9877         SSA_NAMEs before returning.
9878
9879 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9880
9881         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9882         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9883         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9884         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9885         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9886
9887 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9888
9889         PR middle-end/17278
9890         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9891         higher to -O2 and higher.  Likewise for tree PRE.
9892         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9893         and better.
9894
9895 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9896
9897         PR middle-end/19583
9898         * gimple-low.c (try_catch_may_fallthru): New static function.
9899         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9900         * tree-inline.c (expand_call_inline): Don't warn about reaching
9901         the end of a non-void function being inlined if the function uses
9902         a return slot.
9903
9904 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9905
9906         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9907
9908         PR c/18946
9909         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9910         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9911         (implicitly_declare): Handle error_mark_node.
9912
9913 2005-01-27  Richard Henderson  <rth@redhat.com>
9914
9915         PR tree-opt/14329
9916         * tree.h (struct tree_decl): Add debug_expr_is_from.
9917         (DECL_DEBUG_EXPR_IS_FROM): New.
9918         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9919         * dwarf2out.c (dwarf2out_var_location): Update to match.
9920         * tree-outof-ssa.c (create_temp): Likewise.
9921         * var-tracking.c (track_expr_p): Likewise.
9922         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9923         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9924         * toplev.c (default_tree_printer): Likewise.
9925
9926 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9927
9928         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9929         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9930
9931 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9932
9933         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9934         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9935         ASM_CLOBBERS): Add tree checks.
9936
9937         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9938         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9939         * c-common.def (SWITCH_STMT): Update to match.
9940         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9941         macros instead of SWITCH_EXPR ones.
9942         * c-dump.c (c_dump_tree): Likewise.
9943         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9944         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9945
9946         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9947
9948 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9949
9950         * unwind-dw2.c (execute_stack_op): Add missing cases for
9951         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9952
9953 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9954
9955         * config.gcc (Obsolete configurations): Remove 'dummy', add
9956         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9957         sparc-*-openbsd*.
9958
9959 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9960
9961         PR tree-optimization/19633
9962         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9963         CALL_EXPRs.
9964         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9965         are no call-clobbered variables.
9966         * tree-outof-ssa.c (check_replaceable): Return false for calls
9967         with side-effects.
9968
9969 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9970
9971         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9972         even for variables with NULL DECL_INITIAL.
9973
9974 2005-01-26  Stuart Hastings  <stuart@apple.com>
9975
9976         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9977
9978 2005-01-26  Richard Henderson  <rth@redhat.com>
9979
9980         PR middle-end/18008
9981         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9982         field's type.
9983         * expr.c (store_field): Strip conversions to odd-bit-sized types
9984         if the destination field width matches.
9985
9986 2005-01-26  Richard Henderson  <rth@redhat.com>
9987
9988         * c-decl.c, expmed.c, expr.c: Revert last change.
9989
9990 2005-01-26  Richard Henderson  <rth@redhat.com>
9991
9992         PR middle-end/18008
9993         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9994         field's type.
9995         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9996         if we don't need the bits above those present in the current mode.
9997         * expr.c (store_field): Strip conversions to odd-bit-sized types
9998         if the destination field width matches.
9999
10000 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10001
10002         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10003         either -ffast-math or -funsafe-math-optimizations is in use.
10004
10005 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10006
10007         PR target/19293
10008         PR target/19329
10009         * config/avr/avr.c (notice_update_cc): Only set condition code for
10010         ashrqi3 if shift count > 0.
10011         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
10012         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
10013         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
10014         count <= 0 as a no-op, and shift count >= width by copying zero
10015         or sign bit to all bits of the result.
10016         * config/avr/avr.md (all shifts): Add alternatives for zero shift
10017         count, with attribute "length" set to 0 and "cc" set to "none".
10018
10019 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10020
10021         * doc/invoke.texi: Document -mTLS.
10022
10023         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
10024         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
10025         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
10026         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
10027         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
10028         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
10029         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
10030         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
10031
10032         * configure.ac: Check for a TLS capable gas.
10033
10034         * configure: Regenerate.
10035
10036 2005-01-26  Richard Henderson  <rth@redhat.com>
10037
10038         PR middle-end/18008
10039         * combine.c (make_field_assignment): Simplify store to zero_extract
10040         from a source with an overlapping mask.
10041
10042 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10043
10044         2004-11-11  Eric Christopher  <echristo@redhat.com>
10045
10046         * config/frv/frv.md: Add fr400_integer automaton. Don't
10047         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
10048         to TYPE_MACC.
10049
10050 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10051
10052         PR middle-end/16585
10053         * cfgbuild.c (make_edges): Do not clear or set
10054         current_function_has_computed_jump.
10055         * function.h (struct function): Remove the has_computed_jump field.
10056         (current_function_has_computed_jump): Do not define.
10057         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
10058         in a computed jump.  Ignore current_function_has_computed_jump.
10059
10060 2005-01-26  Richard Henderson  <rth@redhat.com>
10061
10062         PR middle-end/19515
10063         * expr.c (categorize_ctor_elements): New argument p_must_clear.
10064         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
10065         fully initialized.
10066         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
10067         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
10068         objects into static storage if they have more than one non-zero value.
10069         * tree.h (categorize_ctor_elements): Update decl.
10070
10071 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10072
10073         PR middle-end/19616
10074         * tree.h (CALL_EXPR_TAILCALL): Add comment.
10075         * calls.c (check_sibcall_argument_overlap_1): Revert the change
10076         to this function from 2004-07-10.
10077         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
10078         the current function for tail call optimizations if the address
10079         of one of it its arguments is taken.
10080
10081 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
10082
10083         * cse.c (fold_rtx): Call equiv_constant only when necessary.
10084
10085 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10086
10087         * function.c (expand_function_end): If current_function_calls_alloca,
10088         emit stack restore in a place that is reached when the function falls
10089         through at the end.
10090
10091 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
10092
10093         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
10094         rule to avoid matching inappropriate suffix rule.
10095
10096 2005-01-26  Jan Hubicka  <jh@suse.cz>
10097
10098         PR tree-optimization/19241
10099         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
10100
10101 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10102
10103         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10104         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
10105         of doubling.
10106         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10107         <sim*>: Always use crt1.o, regardless of N in simN.
10108         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10109         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10110         (CRT_CALL_STATIC_FUNCTION): Remove.
10111         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10112         use crt1.o, regardless of N in simN.
10113         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10114         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10115         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10116         case isystem setting.
10117         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10118
10119 2005-01-25  Ian Lance Taylor  <ian@airs.com>
10120
10121         * gimple-low.c (block_may_fallthru): Correct handling of
10122         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10123
10124 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10125
10126         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10127         handlers to match indentation; nested under the mtune=* handler.
10128         Similar for mcpu= and march=.
10129
10130 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
10131
10132         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10133         * config/mips/linux64.h (LIB_SPEC): Likewise.
10134         * config/mn10300/linux.h (LIB_SPEC): Likewise.
10135         * config/sh/linux.h (LIB_SPEC): Likewise.
10136
10137 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
10138
10139         * config/frv/frv.c (frv_legitimize_tls_address): New.
10140         (TARGET_HAVE_TLS): Define.
10141         (FRV_SYMBOL_REF_TLS_P): Define.
10142         (frv_override_options): Handle new register classes.
10143         (frv_legitimate_address_p): Reject tls addresses.
10144         (frv_legitimize_address): Handle TLS addresses.
10145         (gen_inlined_tls_plt): New.
10146         (gen_tlsmoff): New.
10147         (frv_legitimize_tls_address): New.
10148         (unspec_got_name): Add TLS entries.
10149         (got12_operand): Add R_FRV_TLSMOFF12 case.
10150         (frv_emit_move): Fixup TLS addresses.
10151         (frv_emit_movsi): Legitimize TLS addresses.
10152
10153         * config/frv/frv.h (MASK_BIG_TLS): New.
10154         (TARGET_BIG_TLS): New.
10155         (HAVE_AS_TLS): Define.
10156         (TARGET_SWITCHES): Add -mTLS and -mtls options.
10157         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10158         (REG_CLASS_NAMES): Same.
10159         (REG_CLASS_CONTENTS): Same.
10160         (CONSTRAINT_LEN): New.
10161         (REG_CLASS_FROM_CONSTRAINT): New.
10162         (PREDICATE_CODES): Add symbolic_operand.
10163
10164         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10165         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10166         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10167         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10168         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10169         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10170         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10171         GR9_REG, GR14_REG, LRREG.
10172         (type): Add load_or_call attribute.
10173         ("load_or_call"): New reservation.
10174         ("call_gettlsoff"): New.
10175         ("tls_indirect_call"): New.
10176         ("tls_load_gottlsoff12"): New.
10177         ("tlsoff_hilo"): New.
10178         ("tls_tlsdesc_ldd"): New.
10179         ("tls_tlsoff_ld"): New.
10180         ("tls_lddi"): New.
10181
10182         * config/frv/frv-protos.h (symbolic_operand): Protoize.
10183
10184         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
10185
10186         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10187         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10188         * config/frv/frv.c (TLS_BIAS): Define.
10189         (frv_output_dwarf_dtprel): New.
10190
10191 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
10192
10193         PR rtl-optimization/19579
10194         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10195         both A and B, see if they don't clobber registers the other expr uses.
10196
10197 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
10198
10199         * real.c (do_add): Initialize signalling and canonical members.
10200
10201         * real.c (real_from_integer): Zero out destination.
10202
10203 2005-01-18  Jan Hubicka  <jh@suse.cz>
10204
10205         PR tree-optimize/19337
10206         * tree-inline.c (initialize_inlined_parameters): Copy
10207         saved_static_chain_decl only.
10208
10209 2005-01-25  Richard Henderson  <rth@redhat.com>
10210
10211         PR target/19556
10212         PR target/19584
10213         * config/i386/i386.c (x86_inter_unit_moves): Zero.
10214         (ix86_preferred_reload_class): Rewrite fp-constant section, with
10215         80387 enabled, to return a proper subclass.  Return the subset that
10216         overlaps with GENERAL_REGS for PLUS.
10217         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
10218
10219 2005-01-25  Richard Henderson  <rth@redhat.com>
10220
10221         PR middle-end/19609
10222         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
10223
10224 2005-01-25  Roger Sayle  <roger@eyesopen.com>
10225
10226         * expmed.c (choose_multiplier): Change interface to return the
10227         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
10228         (expand_divmod): Update calls to choose_multiplier.
10229
10230 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10231
10232         PR middle-end/19330
10233         * expmed.c (extract_bit_field): Use adjust_address instead of
10234         gen_lowpart when op0 is a MEM.
10235
10236 2005-01-24  Steven Bosscher  <stevenb@suse.de>
10237
10238         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
10239
10240 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10241
10242         * config/mips/irix-csr.c: New file.
10243         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10244         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10245         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10246         executables.
10247
10248 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
10249
10250         PR bootstrap/19364
10251         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
10252         sparc/elf.h, add sparc/sp-elf.h.
10253         (sparc-*-rtems*): Likewise.
10254         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
10255         tm-dwarf2.h, add sparc/sp-elf.h.
10256         (sparc86x-*-elf): Likewise.
10257         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
10258         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
10259         TARGET_OS_CPP_BUILTINS.
10260         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10261         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10262         Undefine it.
10263         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
10264         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
10265         (SWITCH_TAKES_ARG): Likewise.
10266         (LOCAL_LABEL_PREFIX): Likewise.
10267         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10268         (TARGET_N_FORMAT_TYPES): Delete.
10269         (TARGET_FORMAT_TYPES): Likewise.
10270         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10271         * config/sparc/elf.h: Delete.
10272         * config/sparc/sp-elf.h: New file.
10273
10274 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10275
10276         * tree-flow-inline.h (phi_arg_from_edge): Remove.
10277         * tree-flow.h: Remove the corresponding prototype.
10278         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
10279         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
10280
10281 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10282
10283         PR target/17751
10284         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
10285         for AIX ABI or ELF -fPIC.
10286         (rs6000_emit_load_toc_table): Don't create toc_section here.
10287         (rs6000_xcoff_file_start): Nor here.
10288
10289 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
10290
10291         * sh.c (ra.h): Don't #include.
10292         (hard_regs_intersect_p): New function, resurrected from ra.c.
10293
10294         * sh.c: Fix 1996 Copyright.
10295
10296 2005-01-24  Richard Henderson  <rth@redhat.com>
10297             Aldy Hernandez  <aldyh@redhat.com>
10298
10299         * regrename.c (note_sets): Handle subregs.
10300
10301 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
10302
10303         PR bootstrap/18058
10304         * genconditions.c (write_header, write_conditions): Elide file if
10305         not GCC >= 3.0.1.
10306
10307 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10308
10309         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
10310         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
10311         Update copyright.
10312
10313 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10314
10315         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10316         expand_builtin_printf, expand_builtin_fprintf,
10317         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
10318         checking against POINTER_TYPE.
10319         (validate_arglist): Handle POINTER_TYPE code by checking
10320         POINTER_TYPE_P.
10321
10322 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
10323
10324         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
10325         init_rtlanal): New.
10326         (for_each_rtx): Call for_each_rtx_1.
10327         * rtl.h (init_rtlanal): Declare.
10328         * toplev.c (backend_init): Call init_rtlanal.
10329
10330 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10331
10332         * flow.c (propagate_one_insn): Formatting.
10333
10334         PR middle-end/19551
10335         * flow.c (libcall_dead_p): Be more conservative if unsure.
10336         If there are any instructions between insn and call, see if they are
10337         all dead before saying the libcall is dead.
10338
10339 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
10340
10341         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
10342         operand constraint for operand 0.
10343
10344 2005-01-23  Richard Henderson  <rth@redhat.com>
10345
10346         PR 19486
10347         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
10348         edges leading to join block.
10349
10350 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10351
10352         * expmed.c (expand_mult_highpart): Make static.  Change type of
10353         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
10354         (expand_divmod): Updates calls to expand_mult_highpart by using
10355         gen_int_mode to pass a CONST_INT rtx.
10356         * rtl.h (expand_mult_highpart): Remove prototype.
10357
10358 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10359
10360         * flow.c (regset_bytes, regset_size): Remove.
10361
10362         * cfganal.c: Fix a reference to Harvey's paper.
10363
10364 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10365
10366         PR rtl-optimization/19464
10367         * tree-optimize.c (init_tree_optimization_passes): Add one more
10368         copyrename pass just before out-of-ssa.
10369
10370 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
10371
10372         PR bootstrap/18058
10373         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
10374         * ggc-none.c (ggc_free): Define.
10375
10376 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10377
10378         * cse.c (max_reg, max_insn_uid): Remove.
10379         (cse_main): Don't access max_reg or max_insn_uid.
10380
10381         * c-common.c (explicit_flag_signed_bitfields,
10382         lang_statement_code_p, lang_expand_function_end): Remove.
10383         * c-common.h: Remove the corresponding declarations.
10384         * c-opts.c (c_common_handle_option): Remove all write access
10385         to explicit_flag_signed_bitfields.
10386
10387         * cgraph.c (cgraph_varpool_n_nodes): Remove.
10388         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
10389         * cgraph.h: Remove the corresponding declaration.
10390
10391         * gcse.c (null_pointer_info): Remove.
10392
10393 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10394             Eric Botcazou  <ebotcazou@libertysurf.fr>
10395
10396         * combine.c (simplify_logical): Only simplify logical expressions
10397         of the form ior(and(x,y),z) by the inverse distributive law if the
10398         result is cheaper than the original.
10399
10400 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10401
10402         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
10403         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
10404         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
10405         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
10406         config/freebsd-spec.h, config/arm/arm.h,
10407         config/h8300/h8300.md, config/i386/i386.md,
10408         config/i386/predicates.md, config/i386/sse.md,
10409         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
10410         config/vax/vax.md: Fix comment typos.  Follow spelling
10411         conventions.
10412
10413 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10414
10415         * gengtype.c (walk_type): Produce `not equal to' compares for loop
10416         tests, instead of `less than'.
10417
10418 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
10419
10420         * function.c (assign_parm_setup_block): When creating a new stack slot
10421         for a parameter, get its alignment from the parameter's DECL_ALIGN
10422         rather than the type's TYPE_ALIGN.  Make sure that the parameter
10423         is at least word aligned.
10424
10425 2005-01-22  Roger Sayle  <roger@eyesopen.com>
10426
10427         PR middle-end/19378
10428         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
10429
10430 2005-01-22  Richard Henderson  <rth@redhat.com>
10431
10432         PR target/19506
10433         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
10434         in both compare operands.
10435         (movdfcc_1_sse_max): Likewise.
10436         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
10437         (movdfcc_1_sse): Likewise.
10438         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
10439         scratch register as needed.
10440
10441 2005-01-22  Richard Henderson  <rth@redhat.com>
10442
10443         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
10444
10445         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
10446
10447 2005-01-22  Richard Henderson  <rth@redhat.com>
10448
10449         * genopinit.c (optabs): Use smin/smax for floating point too.
10450         * doc/md.texi: Update to match.  Clarify that floating point
10451         results are undefined for +0/-0 and NaN.
10452         * doc/rtl.texi: Likewise.
10453         * rtl.def (SMIN, SMAX): Likewise
10454         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
10455
10456         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
10457         leading 's' to the name.
10458         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
10459         smaxxf3, sminxf3): Likewise.
10460         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
10461         Likewise.
10462
10463 2005-01-22  Paul Brook  <paul@codesourcery.com>
10464
10465         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
10466
10467 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
10468
10469         * config/s390/s390.c (struct processor_costs): New fields
10470         dlgr, dlr, dr, dsgfr, dsgr.
10471         (z900_cost, z990_cost): Values for new fields.
10472         (s390_rtx_costs): New cases MEM und COMPARE in switch
10473         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
10474         DIV, MOD, UDIV, UMOD.
10475
10476 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10477
10478         * config/s390/s390.md ("doloop_si64"): Reload input value directly
10479         into the register being decremented.
10480         ("doloop_si31", "doloop_di"): Likewise.
10481         ("*doloop_si_long"): Adapt pattern.
10482
10483 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10484
10485         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10486         access registers.
10487         (CLASS_MAX_NREGS): Likewise.
10488
10489 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10490
10491         * doc/tree-ssa.texi (Statement Operands): Add example for new
10492         must-def macro. Note deprecation of old operands interface.
10493
10494 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10495
10496         PR tree-optimization/19484
10497         * tree-cfg.c (remove_fallthru_edge): New function.
10498         (cleanup_control_flow): Remove fallthru edges from calls that are
10499         now known not to return.
10500
10501 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10502
10503         Fix PR tree-optimization/19038
10504         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10505         copies with loop variant ones.
10506
10507 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10508
10509         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10510         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10511         config/alpha/alpha.md, config/alpha/predicates.md,
10512         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10513         config/sparc/sol2.h: Update copyright.
10514
10515         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10516         first label to see if it is a nonlocal label.
10517
10518 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10519             Andrew Pinski  <pinskia@physics.uc.edu>
10520
10521         PR target/19491
10522         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10523         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10524
10525 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10526
10527         * config/rs6000/rtems.h: Update copyright.
10528
10529 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10530
10531         PR target/19548
10532         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10533         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10534         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10535
10536 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10537
10538         PR c/18809
10539         * c-typeck.c (convert_arguments): Check for error_mark_node.
10540
10541 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10542
10543         PR tree-optimization/13000
10544         * tree-inline.c: Include "tree-flow.h".
10545         (expand_call_inline): If warn_return_type, warn if non-void inline
10546         function falls through.
10547         * tree-cfg.c (execute_warn_function_return): Don't warn about
10548         control reaching end if TREE_NO_WARNING is set.  Set
10549         TREE_NO_WARNING.
10550         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10551         has been lowered.
10552         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10553         branch if we don't need one.
10554         * c-typeck.c: Include "tree-flow.h"
10555         (c_finish_bc_stmt): Don't add a goto if the current statement
10556         list doesn't fall through to the current point.
10557
10558 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10559
10560         PR rtl-optimization/576
10561         * real.c (real_arithmetic): Change return type from void to bool
10562         to return an indication that the result may be inexact.
10563         * real.h (real_arithmeric): Update prototype.
10564         * fold-const.c (const_binop):  Don't constant fold floating
10565         point expressions when the user specifies -frounding-math and
10566         the result may depend upon the run-time rounding mode.
10567         (fold_convert_const_real_from_real): Clean-up.
10568         (fold_initializer): Ignore flag_rounding_math for initializers.
10569         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10570         constant fold FP operations with flag_rounding_math if the
10571         result may depend upon the run-time rounding mode.
10572
10573 2005-01-21  Tom Tromey  <tromey@redhat.com>
10574
10575         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10576
10577 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10578
10579         * tree-cfg.c: Fix comment typos.
10580
10581 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10582
10583         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10584         around the call to rest_of_handle_branch_target_load_optimize.
10585
10586 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10587
10588         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10589         (sparc64-*-openbsd*): Likewise.
10590         (sparclite-*-elf*): Include tm-dwarf2.h.
10591         (sparc86x-*-elf*): Likewise.
10592         (sparc64-*-elf*): Likewise.
10593         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10594         (DBX_DEBUGGING_INFO): Likewise.
10595         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10596         (PREFERRED_DEBUGGING_TYPE): Likewise.
10597         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10598         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10599         (PREFERRED_DEBUGGING_TYPE): Likewise.
10600         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10601         (PREFERRED_DEBUGGING_TYPE): Likewise.
10602         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10603
10604 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10605
10606         PR target/18701
10607         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10608
10609 2005-01-20  Paul Brook  <paul@codesourcery.com>
10610
10611         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10612
10613 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10614
10615         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10616         label is first in a sequence of labels.
10617
10618         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10619
10620 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10621             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10622
10623         * doc/sourcebuild.texi (Test Directives): New.
10624
10625 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10626
10627         * real.c (real_floor): Don't leave the result uninitialized when
10628         mode is VOIDMode, but return the unrounded intermediate value.
10629         (real_ceil): Likewise.
10630
10631 2005-01-20  Paul Brook  <paul@codesourcery.com>
10632
10633         * config/arm/arm.md (insv): Use gen_int_mode.
10634
10635 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10636
10637         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10638         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10639         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10640         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10641         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10642
10643 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10644
10645         Fix PR debug/19124
10646         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10647         fbreg, so we have to assume we can't.
10648         (loc_descriptor_from_tree_1): Ditto.
10649         (containing_function_has_frame_base): New function.
10650         (add_location_or_const_value_attribute): Use it.
10651         Also try to generate a frame_base from a single element location
10652         list.
10653
10654 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10655
10656         PR tree-optimization/15349
10657         * timevar.def (TV_TREE_MERGE_PHI): New.
10658         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10659         PHI_WANTED.
10660         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10661         calls to tree_forwarder_block_p.
10662         (remove_forwarder_block_with_phi, merge_phi_nodes,
10663         gate_merge_phi, pass_merge_phi): New.
10664         * tree-optimize.c (init_tree_optimization_passes): Add
10665         pass_merge_phi.
10666         * tree-pass.h: Add an extern for pass_merge_phi;
10667
10668 2005-01-20  Richard Henderson  <rth@redhat.com>
10669
10670         PR target/19418
10671         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10672         (_mm_castps_pd, _mm_castps_si128): New.
10673         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10674
10675 2005-01-20  Richard Henderson  <rth@redhat.com>
10676
10677         PR target/19530
10678         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10679         __builtin_ia32_vec_init_v2si.
10680         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10681         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10682         (ix86_init_mmx_sse_builtins): Create it.
10683         (ix86_expand_builtin): Expand it.
10684         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10685         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10686         (vec_extractv2si_0, vec_extractv2si_1): New.
10687
10688 2005-01-20  Richard Henderson  <rth@redhat.com>
10689
10690         PR target/16533
10691         * config/i386/i386.c (ix86_expand_push): New.
10692         * config/i386/mmx.md (push<MMXMODE>1): New.
10693         * config/i386/sse.md (push<SSEMODE>1): New.
10694         * config/i386/i386-protos.h: Update.
10695
10696 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10697
10698         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10699         copyright.
10700
10701 2005-01-20  Richard Henderson  <rth@redhat.com>
10702
10703         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10704         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10705
10706 2005-01-19  Richard Henderson  <rth@redhat.com>
10707
10708         PR target/19350
10709         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10710         to V4SFmode in SSE1 fallback load path.
10711
10712 2005-01-19  Richard Henderson  <rth@redhat.com>
10713
10714         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10715         in QImode expansion to ix86_expand_vector_set.
10716         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10717
10718 2005-01-19  Richard Henderson  <rth@redhat.com>
10719
10720         PR target/19511
10721         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10722         subclass of the input class.
10723         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10724         Always true for cross-SSE1 classes.  Rationalize conditionals.
10725         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10726         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10727         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10728         (movdi_2): Add MMX/SSE zeros.
10729         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10730         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10731         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10732         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10733         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10734         (zero_extendsidi2_rex64_1): Remove.
10735         (MOV0 peephole): Check GENERAL_REG_P.
10736
10737 2005-01-19  Richard Henderson  <rth@redhat.com>
10738
10739         PR target/19427
10740         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10741         shufps elements.
10742         (ix86_expand_vector_extract): Likewise.
10743
10744 2005-01-19  Richard Henderson  <rth@redhat.com>
10745
10746         PR middle-end/19304
10747         * expr.c (emit_move_change_mode): New argument force; use
10748         simplify_gen_subreg if true.
10749         (emit_move_via_alt_mode): Merge into ...
10750         (emit_move_via_integer): ... here.
10751         (emit_move_ccmode): Use emit_move_change_mode directly.
10752
10753 2005-01-19  Richard Henderson  <rth@redhat.com>
10754
10755         PR target/19518
10756         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10757         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10758         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10759         rtl if true.
10760         (alpha_emit_set_const): Likewise.  Make static.
10761         (alpha_emit_set_long_const): Make static.
10762         (alpha_extract_integer): Split out from alpha_expand_mov.
10763         (alpha_split_const_mov): Likewise.
10764         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10765         (alpha_legitimate_constant_p): New.
10766         * config/alpha/alpha-protos.h: Update.
10767         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10768         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10769         * config/alpha/alpha.md (movsi): Add n alternative.
10770         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10771         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10772         (splitters for all of the above): Use alpha_split_const_mov.
10773         * config/alpha/predicates.md (non_add_const_operand): New.
10774         (non_zero_const_operand): New.
10775         (input_operand): Use alpha_legitimate_constant_p after reload.
10776
10777 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10778
10779         PR tree-optimization/19038
10780         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10781         (add_candidate): Add ivs with increment in latch only if
10782         allow_ip_end_pos_p is true.
10783         (determine_iv_cost): Use empty_block_p.
10784
10785 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10786
10787         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10788         (compute_dominance_frontiers): Ditto.
10789
10790 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10791
10792         PR target/19529
10793         * config/sh/t-rtems: New.
10794         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10795
10796 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10797
10798         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10799         the offset of the selected field.
10800
10801 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10802
10803         * tree-cfg.c (remove_forwarder_block): Fix the check to
10804         prevent a nonlocal label from appearing in the middle of a
10805         basic block.
10806
10807 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10808
10809         PR rtl-optimization/19462
10810         * reorg.c (find_end_label): Create return insn only if
10811         current_function_epilogue_delay_list is empty.
10812
10813 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10814
10815         * doc/passes.texi: Remove paragraph mentioning new-ra.
10816
10817 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10818
10819         PR rtl-optimization/15139
10820         * combine.c: Include params.h.
10821         (count_rtxs): New function.
10822         (record_value_for_reg): If replace_rtx would replace at least
10823         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10824         (clobber (const_int 0)) instead of TEM.
10825         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10826         * params.h (MAX_LAST_VALUE_RTL): New.
10827         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10828         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10829
10830         PR c/17297
10831         * c-typeck.c (digest_init): Only call build_vector if all constructor
10832         elements are *_CST nodes.
10833         * gimplify.c (gimplify_init_constructor): Likewise.
10834
10835         PR middle-end/19164
10836         * c-typeck.c (digest_init): Only call build_vector if inside_init
10837         is a CONSTRUCTOR.
10838
10839 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10840
10841         * toplev.c (init_asm_output): Remove dead #ifdef.
10842
10843 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10844
10845         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10846
10847 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10848
10849         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10850         accessing DECL_FUNCTION_CODE.
10851         * dojump.c (do_jump): Likewise.
10852         * gimplify.c (gimplify_call_expr): Likewise.
10853         * predict.c (expr_expected_value): Likewise.
10854         (strip_builtin_expect): Likewise.
10855         * tree-inline.c (estimate_num_insns_1): Likewise.
10856         * tree-ssa-loop-im.c (stmt_cost): Likewise
10857         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10858         (tree_expr_nonnegative_p): Likewise.
10859
10860 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10861
10862         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10863         variant of the load_pcrel_sym pattern.
10864         * config/sparc/sparc.md (P macro): Move to the top.
10865         (load_pcrel_sym): Macroize using P.
10866         (save_register_window): Likewise.
10867
10868 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10869
10870         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10871         ("sordered"): Same.
10872
10873 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10874
10875         PR C/19472
10876         * c-typeck.c (build_asm_expr): Strip nops off
10877         input memory operands.
10878
10879 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10880
10881         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10882         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10883         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10884         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10885
10886 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10887
10888         PR target/19379
10889         * config/i386/i386.c (override_options): If the 80387 is disabled,
10890         then do not return FP values using FP registers.
10891
10892 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10893
10894         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10895         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10896         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10897         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10898         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10899         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10900         output.h, postreload-gcse.c, postreload.c, recog.c,
10901         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10902         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10903         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10904         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10905         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10906         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10907         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10908         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10909
10910         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10911         config/alpha/alpha.c, config/arm/vfp.md,
10912         config/i386/emmintrin.h, config/i386/i386-modes.def,
10913         config/i386/i386-protos.h, config/i386/i386.h,
10914         config/i386/pmmintrin.h, config/i386/ppro.md,
10915         config/i386/predicates.md, config/i386/xmmintrin.h,
10916         config/i860/i860.c, config/ia64/ia64-modes.def,
10917         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10918         config/ia64/ia64.md, config/ia64/itanium1.md,
10919         config/ia64/itanium2.md, config/ia64/predicates.md,
10920         config/iq2000/iq2000.h, config/mips/linux64.h,
10921         config/rs6000/aix41.h, config/rs6000/aix43.h,
10922         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10923         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10924         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10925         config/sparc/linux64.h, config/sparc/litecoff.h,
10926         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10927         config/sparc/sparc.h, config/sparc/sparc.md,
10928         config/sparc/sysv4-only.h: Update copyright.
10929
10930 2005-01-18  Richard Henderson  <rth@redhat.com>
10931
10932         PR target/19496
10933         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10934
10935 2005-01-18  Marc Espie  <espie@openbsd.org>
10936         * config/i386/openbsdelf.h: Typo.
10937
10938 2005-01-18  Richard Henderson  <rth@redhat.com>
10939
10940         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10941         special case for sse.
10942         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10943
10944 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10945
10946         * tree-inline.c (estimate_num_insns_1): Added cases for
10947         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10948
10949 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10950
10951         PR rtl-optimization/19296
10952         * combine.c (simplify_comparison): Rewrite the condition under
10953         which a non-paradoxical SUBREG of a PLUS can be lifted when
10954         compared against a constant.
10955
10956 2005-01-18  Andi Kleen <ak@muc.de>
10957
10958         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10959         * c.opt (-Wpointer-sign): Add.
10960         * doc/invoke.texi: (-Wpointer-sign): Add.
10961
10962 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10963
10964         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10965         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10966         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10967         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10968         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10969         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10970         for TARGET_MIX_SSE_I387.
10971         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10972         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10973         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10974         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10975         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10976         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10977         TARGET_MIX_SSE_I387.
10978         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10979         from expander.
10980
10981 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10982
10983         PR target/19424
10984         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10985         Add movaps alternative for xmm reg->reg move.
10986
10987 2005-01-17  Jeff Law  <law@redhat.com>
10988
10989         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10990         at the end of the main DOM loop rather than just before DOM exits.
10991
10992 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10993
10994         PR tree-optimization/19121
10995         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10996         adding aliases to a name tag, also add them to the pointer's
10997         type tag.
10998         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10999         sensitive alias info at all.  Only check that the two pointers
11000         have compatible pointed-to sets.
11001         * tree-ssa.c (verify_name_tags): Verify that the alias set of
11002         a pointer's type tag is a superset of the alias set of the
11003         pointer's name tag.
11004
11005 2005-01-17  James E Wilson  <wilson@specifixinc.com>
11006
11007         PR target/19357
11008         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
11009         comment to document why.
11010
11011 2005-01-17  Richard Henderson  <rth@redhat.com>
11012
11013         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
11014         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
11015         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
11016         sse2_vmsminv2df3_finite): New.
11017         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
11018         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
11019         Force op1 into register.
11020
11021 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
11022
11023         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
11024         bubblestrap from always rebuilding build directory.
11025
11026 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
11027
11028         * config/s390/s390.md ("*clc"): Remove incorrect '='.
11029         ("*cmpmem_short"): Likewise.
11030
11031 2005-01-17  Steven Bosscher  <stevenb@suse.de>
11032
11033         * basic-block.h: Document BB_* flags.
11034         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
11035         use an sbitmap instead.
11036         * sched-rgn.c (compute_trg_info): Likewise.
11037
11038 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
11039
11040         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
11041         redundant target_cpu_default and extra_parts lines.  Use the default
11042         "from-abi" ISA.
11043         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
11044         (SUBTARGET_EXTRA_SPECS): Delete.
11045         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
11046         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
11047         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
11048         and "n32" for -mabi=n32.
11049
11050 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11051
11052         PR c/5675
11053         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
11054         fold constant variables into initial values.
11055
11056 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11057
11058         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
11059
11060         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
11061         through the statements backward.
11062
11063 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11064
11065         PR middle-end/13127:
11066         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
11067         a variable set to the return value of the inlined function.
11068
11069 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
11070
11071         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
11072         when modes are tieable.
11073
11074 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
11075
11076         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
11077         of pthread_create to find out if threads are enabled.
11078         * gthr-posix95.h (__gthread_active_p): Likewise.
11079
11080 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
11081
11082         * common.opt (-fnew-ra): Remove.
11083         * ra*.*: Remove.
11084         * toplev.h (flag_new_regalloc): Remove.
11085         * Makefile.in (ra*.*): Don't mention.
11086         * passes.c (rest_of_handle_new_regalloc): Remove.
11087         (rest_of_handle_combine, rest_of_compilation): Always consider
11088         flag_new_regalloc as false.
11089         * doc/invoke.texi: Don't document -fnew-ra.
11090
11091 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
11092
11093         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
11094         last parameter to reg_scan.
11095         * loop.c (loop_optimize): Likewise.
11096         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
11097         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
11098         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11099         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11100         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
11101         * regclass.c (reg_scan): Likewise, for the declaration.
11102         * rtl.h (reg_scan): Likewise, for the prototype.
11103
11104 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11105
11106         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11107         mark_dfs_back_edges.
11108
11109 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
11110
11111         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11112         (compute_avail): Uses don't go in tmp_gen.
11113
11114 2005-01-16  Steven Bosscher  <stevenb@suse.de>
11115
11116         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11117         loop to look for a free slot in a page entry.
11118
11119 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11120
11121         PR target/16304
11122         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11123         * toplev.c (compile_file): Call process_pending_assemble_output_defs
11124         just before targetm.asm_out.file_end.
11125         * tree.h (process_pending_assemble_output_defs): Declare.
11126         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11127         New functions.
11128         (assemble_alias): Defer generation of assembly code for defines when
11129         TARGET_DEFERRED_OUTPUT_DEFS is true.
11130         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11131         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11132         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11133
11134 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11135
11136         PR target/19336
11137         * pa.c (pa_scalar_mode_supported_p): New function.
11138         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11139         * pa.h (MIN_UNITS_PER_WORD): Add comment.
11140
11141         * pa-protos.h (prefetch_operand): Delete.
11142         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11143         * pa.c (prefetch_operand): Delete.
11144         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11145         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11146         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
11147         and prefetch_nocc_operand.
11148         * pa.md (prefetch): Rework to avoid reload problems handling short
11149         displacements when a cache control completer needs to be provided.
11150         (prefetch_32, prefetch_64): Delete.
11151         (prefetch_cc, prefetch_nocc): New patterns.
11152
11153 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
11154
11155         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11156
11157 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11158
11159         PR ada/19388
11160         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11161         exceeds maximum alignment for global common data.
11162         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11163         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11164
11165 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11166
11167         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11168
11169 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11170
11171         * harg-reg-set.h (reg_class_names): Prototype global array.
11172         * regclass.c (reg_class_names): Declare here and initialize to
11173         REG_CLASS_NAMES.
11174         (dump_regclass): Remove local declaration of reg_class_names.
11175         (regclass): Likewise.
11176         * cfg.c (dump_flow_info): Likewise.
11177         * ra-debug.c (reg_class_names): Likewise.
11178         * regrename.c (reg_class_names): Likewise.
11179         * reload.c (reg_class_names): Likewise.
11180         * reload1.c (spill_failure): Likewise.
11181         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11182
11183 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
11184
11185         * config/s390/s390.md ("reload_outti"): Remove predicate for
11186         output operand.  Abort if operand is not a MEM.
11187         ("reload_outdi", "reload_outdf"): Likewise.
11188
11189 2005-01-15  Marc Espie  <espie@openbsd.org>
11190
11191         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11192         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11193         * config/openbsd.h:  Fix C++ includes for native configurations.
11194         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
11195         Add trampoline support.
11196         * config/i386/openbsdelf.h: New.
11197
11198 2005-01-15  Marc Espie  <espie@openbsd.org>
11199
11200         * collect2.c (main): Explicitly parse -dynamic-linker option.
11201
11202 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
11203
11204         PR tree-optimization/19060
11205         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
11206         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
11207         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
11208         and handle extract_range_from_cond returning false.
11209         * fold-const.c (fold): Optimize comparisons with min/max even for
11210         width > HOST_BITS_PER_WIDE_INT.
11211
11212 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
11213
11214         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
11215         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
11216         Remove little endian multilib variants.
11217         Add mips32 multilib variant.
11218
11219 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
11220
11221         * explow.c (copy_all_reg, stabilize): Remove.
11222         * expr.h: Remove the corresponding prototypes.
11223
11224         * rtlanal.c (regs_set_between_p): Remove.
11225         * rtl.h: Remove the corresponding prototype.
11226
11227 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
11228
11229         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
11230         to rs6000_nonimmediate_operand.
11231         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
11232         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
11233         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
11234         rs6000_nonimmediate_operand.
11235         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
11236         rs6000_nonimmediate_operand.
11237
11238 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
11239
11240         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
11241
11242 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11243
11244         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
11245         on e500v2.
11246         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
11247         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
11248
11249         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
11250         (rs6k_nonimmediate_operand): New.
11251         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
11252         correctly.
11253         (legitimate_lo_sum_address_p): Same.
11254         (rs6000_legitimize_address): Same.
11255         (rs6000_legitimize_reload_address): Same.
11256         (rs6000_legitimate_address): Same.
11257         (spe_build_register_parallel): Pass DF and DC modes in a DI
11258         register.
11259
11260         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
11261         to rs6k_nonimmediate_operand.
11262
11263         * config/rs6000/spe.md ("*frob_df_di"): New.
11264         ("*frob_di_df"): New.
11265         ("*frob_di_df_2"): New.
11266         ("*mov_sidf_e500_subreg0"): New.
11267         ("*mov_sidf_e500_subreg4"): New.
11268         ("*movdf_e500_double"): Change predicate to
11269         rs6k_nonimmediate_operand.
11270
11271 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11272
11273         * postreload.c (move2add_note_store): Only call
11274         trunc_int_for_mode on scalar integers.
11275
11276 2005-01-14  Steven Bosscher  <stevenb@suse.de>
11277
11278         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
11279         replace BB_VISITED uses.
11280         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
11281         (propagate_necessity): Check the bitmap instead of BB_VISITED.
11282         (tree_dce_done): Free visited_control_parents.
11283         (perform_tree_ssa_dce): Allocate and clear it.
11284         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
11285         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
11286         instead of BB_VISITED.
11287
11288 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
11289
11290         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
11291         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
11292         Remove unused prototypes.
11293
11294 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11295
11296         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
11297         64-bit register usage.
11298         (spe_func_has_64bit_regs_p): Add FIXME note.
11299
11300 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11301
11302         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
11303         flag_finite_math_only with flag_unsafe_math_optimizations.
11304
11305 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
11306
11307         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
11308         end-of-stack check.
11309         (__tpf_eh_return): Copy TPF private stack area from the module
11310         boundary stack frame.  Add check for when module addresses are
11311         equal, but no stub address is found.
11312
11313 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
11314
11315         PR target/7525
11316         * arm.h (struct machine_function): Add call_via field.
11317         (thumb_call_via_label): Declare.
11318         * arm.c (thumb_call_via_label): New variable.
11319         (thumb_call_reg_needed): New variable.
11320         (arm_output_function_epilogue): For Thumb code, output any per-function
11321         call-indirect trampolines.
11322         (thumb_call_via_reg): New function.
11323         (arm_file_end): New function.
11324         (TARGET_ASM_FILE_END): Call arm_file_end.
11325         (aof_file_end): Likewise.
11326         * arm-protos.h (thumb_call_via_reg): Declare.
11327         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
11328         thumb_call_via_reg in normal case.
11329
11330 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
11331
11332         PR middle-end/19084
11333         PR rtl-optimization/19348
11334         * recog.c (peephole2_optimize): Do global life update if some peephole
11335         decides it doesn't need at least one of its inputs and that change
11336         influences liveness at the start of the basic block.
11337
11338         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
11339         arguments instead of 1.
11340
11341 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
11342
11343         PR middle-end/18820
11344         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
11345         zero for nested functions needing a static chain or functions
11346         with a non-constant address.
11347
11348 2005-01-13  Roger Sayle  <roger@eyesopen.com>
11349
11350         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
11351         (and (sign_extend X) C) into (zero_extend (and X C)).
11352
11353 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
11354
11355         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
11356
11357 2005-01-13  Richard Henderson  <rth@redhat.com>
11358
11359         PR target/19009
11360         PR target/19250
11361         PR target/19252
11362         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
11363         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
11364         not just TARGET_SSE.
11365         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
11366         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
11367         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
11368         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
11369         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
11370         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
11371         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
11372         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
11373         (movdicc_c_rex64): Rename with '*'.
11374         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
11375         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
11376         (movsfcc_1_387): Rename from movsfcc_1.
11377         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
11378         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
11379         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
11380         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
11381         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
11382         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
11383         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
11384         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
11385         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
11386         sse_movdfcc_const0_4): Remove.
11387         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
11388         recognize min/max early.  Update for changed sse cmove patterns.
11389         (ix86_split_sse_movcc): New.
11390         * config/i386/i386-protos.h: Update.
11391
11392 2005-01-13  Steven Bosscher  <stevenb@suse.de>
11393
11394         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
11395         (fix_stmt_v_may_defs): Likewise.
11396
11397 2005-01-13  Richard Henderson  <rth@redhat.com>
11398
11399         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
11400         for converting the mask.
11401
11402 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
11403
11404         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
11405         definition to 600.
11406
11407 2005-01-13  Richard Henderson  <rth@redhat.com>
11408
11409         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
11410         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
11411         IX86_BUILTIN_MOVDQ2Q): Remove.
11412         (IX86_BUILTIN_VEC_EXT_V4SI): New.
11413         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
11414         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
11415         shuffling.
11416         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
11417         (sse2_pextrw): Fix immediate constraint.
11418         (sse2_loadq, sse2_loadq_rex64): Remove.
11419         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
11420         Use __builtin_ia32_vec_ext_<size>.
11421         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
11422
11423 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
11424
11425         * function.c (assign_parm_setup_block): Look inside original
11426         entry_parm when inspecting PARALLEL.
11427
11428 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
11429             Joel Sherrill  <joel@oarcorp.com>
11430
11431         PR target/19399
11432         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
11433         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
11434         rtems_gxx_recursive_mutex_init.
11435         (__gthread_recursive_mutex_lock): New function.
11436         (__gthread_recursive_mutex_trylock): Likewise.
11437         (__gthread_recursive_mutex_unlock): Likewise.
11438
11439 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
11440
11441         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
11442
11443 2005-01-13  Jan Beulich  <jbeulich@novell.com>
11444
11445         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
11446         (ashrti3_internal): Indicate output is early clobber. Generate result
11447         into output rather than first input. Use move for low word of output
11448         if shift count is exactly 64.
11449         (lshrti3_internal): Likewise.
11450
11451 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
11452
11453         PR target/18329
11454         PR target/18330
11455         * reload1.c (delete_output_reload): Don't delete an output reload
11456         if the pseudo lives longer than a single basic block.  Adjust and
11457         improve wording of comment.
11458
11459 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
11460
11461         PR target/19334
11462         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
11463         of TYPE_SIZE where we mean the number of bytes.
11464
11465 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
11466
11467         * function.c (assign_parm_setup_block): Relax condition on
11468         multi-register optimization.
11469
11470 2005-01-12  Nick Clifton  <nickc@redhat.com>
11471
11472         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
11473         an "in_delay_slot" attribute of "no" to prevent them being used in
11474         delay slots.  This is forbidden because they might generate
11475         exceptions.
11476
11477 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
11478
11479         PR target/19389
11480         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
11481         with r->Y and Y->r.
11482
11483 2005-01-12  Nick Clifton  <nickc@redhat.com>
11484
11485         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11486         passed on to GAS) but do not define, as GAS no longer supports or
11487         needs the -m2000 option.
11488
11489 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11490
11491         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11492         type as args of unprototyped builtins aren't automatically promoted.
11493         (fold_builtin_abs): Likewise.
11494
11495 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11496
11497         * Makefile.in: Set a `build-warn' variable.
11498
11499 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11500
11501         PR tree-optimization/17949
11502         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11503         (find_interesting_uses_address): Use it.
11504
11505 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11506
11507         * regrename.c (kill_value): Handle subreg's that won't simplify.
11508
11509 2005-01-11  Richard Henderson  <rth@redhat.com>
11510
11511         PR target/13366
11512         * config/i386/i386.h (enum ix86_builtins): Move ...
11513         * config/i386/i386.c: ... here.
11514         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11515         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11516         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11517         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11518         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11519         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11520         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11521         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11522         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11523         IX86_BUILTIN_LOADDDUP): Remove.
11524         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11525         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11526         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11527         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11528         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11529         (ix86_init_builtins): Make static.
11530         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11531         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11532         if all the modes match.  Otherwise, fake it.
11533         (get_element_number, ix86_expand_vec_init_builtin,
11534         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11535         (ix86_expand_builtin): Make static.  Update for changed builtins.
11536         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11537         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11538         (ix86_expand_vector_init_duplicate): New.
11539         (ix86_expand_vector_init_low_nonzero): New.
11540         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11541         Split out from ix86_expand_vector_init; handle integer modes.
11542         (ix86_expand_vector_init): Use them.
11543         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11544         * config/i386/i386-protos.h: Update.
11545         * config/i386/predicates.md (reg_or_0_operand): New.
11546         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11547         (movv2sf_internal): Likewise.  And a splitter to match them all.
11548         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11549         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11550         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11551         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11552         (mmx_pinsrw): Fix operand ordering.
11553         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11554         rather than sse_loadss expander.
11555         (movv2df splitter): Similarly.
11556         (sse_loadss, sse_loadlss): Remove.
11557         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11558         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11559         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11560         (sse3_movddup): Rename with '*'.
11561         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11562         (sse2_loadsd): Remove.
11563         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11564         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11565         (sse2_pinsrw): Fix argument ordering.
11566         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11567         (sse2_stored): Remove 'r' destination.
11568         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11569         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11570         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11571         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11572         vec_extractv16qi, vec_initv16qi): New.
11573
11574         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11575         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11576         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11577         constructor form.
11578         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11579         (_mm_load_si128, _mm_store_si128): Likewise.
11580         (_mm_load1_pd): Use _mm_set1_pd.
11581         (_mm_load_sd): Use _mm_set_sd.
11582         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11583         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11584         (_mm_set_epi64): Use _mm_set_epi64x.
11585         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11586         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11587         _mm_setr_epi8): Use _mm_set_foo form.
11588         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11589         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11590         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11591         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11592         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11593         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11594         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11595         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11596         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11597         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11598         (_mm_movedup_pd): Use _mm_shuffle_pd.
11599         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11600         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11601         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11602         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11603         Use _mm_setzero_ps.
11604         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11605         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11606         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11607         (_mm_store_ps): Use raw dereference.
11608         (_mm_store1_ps): Use _mm_storeu_ps.
11609         (_mm_storer_ps): Use _mm_store_ps.
11610         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11611         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11612
11613 2005-01-11  Stan Shebs  <shebs@apple.com>
11614
11615         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11616         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11617
11618 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11619
11620         PR target/18761
11621         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11622         Skip all DECLs except for FIELD_DECLs.
11623
11624 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11625
11626         * config/s390/s390.c (override_options): Return error if
11627         -mbackchain, -mpacked-stack and -mhard-float are used together.
11628         (s390_va_start): Remove the backchain && packed-stack special case.
11629         (s390_gimplify_va_arg): Likewise.
11630         * doc/invoke.texi: Remove the ABI incompatibility note.
11631
11632 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11633
11634         * config/s390/s390.c (struct s390_frame_layout): Remove
11635         save_backchain_p.
11636         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11637         save_backchain_p with TARGET_BACKCHAIN.
11638
11639 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11640
11641         PR target/18916
11642         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11643         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11644         * function.c (locate_and_pad_parm): Set new field.
11645         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11646         Tweak where_pad test to include "none".  Always set mem align for
11647         stack_parm.
11648         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11649         not sufficient for type.
11650         (assign_parm_setup_block): If stack_parm is zero on entry, always
11651         make a new stack local.  Block move old stack parm if necessary
11652         to new aligned stack local.
11653         (assign_parm_setup_stack): Use a block move to handle
11654         potentially misaligned entry_parm.
11655         (assign_parms_unsplit_complex): Specify required alignment when
11656         creating stack local.
11657         * calls.c (compute_argument_addresses): Override alignment of stack
11658         arg calculated from its type with the alignment given by
11659         FUNCTION_ARG_BOUNDARY.
11660         (store_one_arg): Likewise.
11661
11662 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11663
11664         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11665         Change respective itanium_class attribute to ialu.
11666         (shladdp4_internal): New.
11667         * config/ia64/predicates.md (shladd_log2_operand): New.
11668
11669 2005-01-11  Richard Henderson  <rth@redhat.com>
11670
11671         * expr.c (store_constructor): Use rtvec_alloc instead of
11672         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11673
11674 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11675
11676         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11677
11678 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11679
11680         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11681         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11682         (TARGET_RWRELOC): Define.
11683         (ia64_rwreloc_section_type_flags): Delete.
11684         (ia64_section_type_flags): New function.
11685         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11686         (TARGET_RWRELOC): Define.
11687
11688 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11689
11690         PR target/18987
11691         * config/ia64/ia64.c (process_set): For alloc insn, only call
11692         process_epilogue is !frame_pointer_needed.
11693
11694 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11695
11696         PR c++/19355
11697         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11698         unary operator and can't be treated as a binary/comparison operator.
11699
11700 2005-01-10  Richard Henderson  <rth@redhat.com>
11701
11702         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11703         (ix86_return_in_memory): Likewise.
11704         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11705         for choosing register to advance.
11706
11707 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11708
11709         * tree-vectorizer.c, tree.def: Fix comment typos.
11710
11711 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11712
11713         * config/s390/s390.c (struct processor_costs): 4 new fields:
11714         ddbr, ddr, debr, der.
11715         (s390_rtx_costs): More precise handling of divide instructions.
11716
11717 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11718
11719         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11720
11721 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11722
11723         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11724         names resulting from -ffunction-sections/-fdata-sections and linkonce
11725         ones.
11726         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11727         based on the section name. Rearrange the section name comparison logic
11728         slightly so that each section name is compared against at most once.
11729
11730 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11731
11732         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11733         targets for which -fPIC reduces limitations on the GOT size.
11734
11735 2005-01-09  Falk Hueffner  <falk@debian.org>
11736
11737         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11738         X/C1 cmpop C2.
11739
11740 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11741
11742         PR target/18720
11743         * collect2.c (main): Set aixrtl_flag for -brtl option.
11744         (resolve_lib_name): Search for .so file extension before .a
11745         if aixrtl_flag set.
11746
11747 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11748
11749         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11750         (vect_analyze_data_refs_alignment): Add dump prints.
11751
11752 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11753
11754         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11755         expr_invariant_in_loop_p.
11756         Initialize outputs first thing in the function.
11757         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11758         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11759         (vect_analyze_pointer_ref_access): Check that the initial condition of
11760         the access function is loop invariant.
11761
11762 2005-01-09  Richard Henderson  <rth@redhat.com>
11763
11764         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11765         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11766         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11767         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11768         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11769         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11770         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11771         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11772         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11773         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11774         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11775         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11776         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11777         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11778         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11779         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11780         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11781         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11782         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11783         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11784         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11785         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11786         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11787         mmx_ prefix.
11788         (mmx_clrdi, pavgusb): Remove.
11789         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11790         with leading sse_ prefix.
11791         * config/i386/sse.md: Receive them.
11792         * config/i386/mmx.md: New file.
11793         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11794         (subrv2sf3): Turn into expander for normal subtraction.
11795         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11796         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11797         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11798         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11799         commutative; use ix86_binary_operator_ok.
11800         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11801         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11802         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11803         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11804         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11805         Macroize from existing patterns; use ix86_binary_operator_ok.
11806         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11807         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11808         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11809         with vec_select+vec_concat.
11810         (mmx_pshufw, mmx_pshufw_1): Likewise.
11811         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11812         (mmx_uavgv4hi3): Model correctly.
11813         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11814         _mm_xor_si64): Remove casts.
11815
11816 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11817
11818         PR tree-optimization/19224
11819         * tree-scalar-evolution.c (get_instantiated_value,
11820         set_instantiated_value): New functions.
11821         (instantiate_parameters_1): Cache the results.
11822         (instantiate_parameters, resolve_mixers): Initialize and free
11823         the cache.
11824
11825 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11826
11827         * config/i386/i386.md (addhi_4): Correct reference in comment.
11828         (addqi_4): Same.
11829
11830 2005-01-08  Richard Henderson  <rth@redhat.com>
11831
11832         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11833         (_mm_cvtsi128_si64x): Likewise.
11834         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11835         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11836         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11837         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11838         * config/i386/i386-protos.h: Update.
11839         * config/i386/i386.c (print_operand): Add 'H'.
11840         (ix86_fixup_binary_operands): Split out from ...
11841         (ix86_expand_binary_operator): ... here.
11842         (ix86_fixup_binary_operands_no_copy): New.
11843         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11844         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11845         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11846         (safe_vector_operand): Use CONST0_RTX.
11847         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11848         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11849         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11850         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11851         special cases.
11852         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11853         (IX86_BUILTIN_CMPNGESS): New.
11854         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11855         (attr type): Add sselog1.
11856         (attr unit, attr memory): Handle it.
11857         (movti, movti_internal, movti_rex64): Move near other integer moves.
11858         (movtf, movtf_internal): Move near other fp moves.
11859         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11860         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11861         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11862         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11863         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11864         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11865         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11866         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11867         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11868         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11869         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11870         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11871         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11872         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11873         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11874         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11875         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11876         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11877         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11878         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11879         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11880         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11881         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11882         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11883         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11884         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11885         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11886         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11887         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11888         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11889         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11890         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11891         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11892         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11893         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11894         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11895         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11896         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11897         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11898         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11899         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11900         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11901         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11902         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11903         same time.
11904         (SSEPUSH, push<SSEPUSH>): Remove.
11905         (MMXPUSH, push<MMXPUSH>): Remove.
11906         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11907         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11908         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11909         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11910         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11911         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11912         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11913         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11914         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11915         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11916         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11917         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11918         (ppro_sse_log_V4SF): Handle sselog1.
11919         * config/i386/predicates.md (const_0_to_1_operand): New.
11920         (const_0_to_255_mul_8_operand): New.
11921         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11922         (const_2_to_3_operand, const_4_to_7_operand): New.
11923         * config/i386/sse.md: New file.
11924         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11925         (sse_movups): Rename from sse_movups_1.
11926         (sse_loadlss): Rename from sse_loadss_1.
11927         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11928         from the name.
11929         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11930         (absv4sf2, negv2df, absv2df): New.
11931         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11932         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11933         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11934         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11935         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11936         (sse3_addsubv4sf3): Model correctly.
11937         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11938         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11939         (sse_movhlps): Model with vec_select+vec_concat.
11940         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11941         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11942         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11943         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11944         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11945         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11946         sse2_pshufhw_1): Likewise.
11947         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11948         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11949         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11950         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11951         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11952         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11953         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11954         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11955         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11956         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11957         sminv8hi3): Mark commutative
11958         operands.  Use ix86_binary_operator_ok.
11959         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11960         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11961         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11962         sse2_punpcklqdq): Allow operand2 in memory.
11963         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11964         sse2_movsd): Add memory alternatives.
11965         (sse_storelps): Turn expander into an insn; split after reload.
11966         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11967         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11968
11969 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11970
11971         * configure.ac (DWARF-2 debug_line): Use objdump.
11972         * configure: Regenerate.
11973
11974 2005-01-08  Jeff Law  <law@redhat.com>
11975             Diego Novillo  <dnovillo@redhat.com>
11976
11977         PR tree-optimization/18241
11978         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11979         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11980         statements with volatile operands.
11981         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11982         operands after marking a statement with has_volatile_ops.
11983
11984 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11985
11986         * tree.c (int_fits_type_p): Always honor integer constant
11987         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11988
11989 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11990
11991         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11992         the latent bug in rtl_delete_block has been resolved.
11993
11994 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11995
11996         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11997         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11998
11999 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12000
12001         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
12002         library as @multilib_dir@/$(SHLIB_SONAME).
12003
12004 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12005
12006         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
12007         * configure: Regenerate.
12008
12009 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12010
12011         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
12012         TYPE_MODE.
12013
12014 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
12015
12016         PR target/13674
12017         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
12018         Convert non-word aligned offset address using ld/std into
12019         indirect address.
12020
12021 2005-01-07  Richard Henderson  <rth@redhat.com>
12022
12023         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
12024
12025 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
12026
12027         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
12028
12029 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12030
12031         PR tree-optimization/19283
12032         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
12033         is not shorter than the original type.
12034
12035         PR rtl-optimization/19012
12036         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
12037
12038         PR rtl-optimization/18861
12039         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
12040         (FULL_STATE): Define.
12041         (mark_tablejump_edge): New function.
12042         (purge_dead_tablejump_edges): New function.
12043         (find_bb_boundaries): Use it.
12044
12045         PR tree-optimization/18828
12046         * builtins.c (expand_builtin_next_arg): Remove argument and all
12047         the argument checking.
12048         (expand_builtin): Adjust caller.
12049         (expand_builtin_va_start): Likewise.  Remove error for too many
12050         arguments.
12051         (fold_builtin_next_arg): Issue error for too many arguments.
12052         After checking arguments, replace them with magic arguments that
12053         prevent further checking of the args.
12054
12055 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12056
12057         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
12058
12059 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12060
12061         PR target/6077
12062         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
12063         and %{.S:...} (and their negative variants) to test whether the
12064         input file is assembler or pre-processed-assembler independent of
12065         the actual filename extension.
12066
12067 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12068
12069         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
12070         of sign or zero extended values.
12071
12072 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
12073
12074         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
12075         for IBM long double format correctly.
12076
12077 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
12078
12079         Fix PR tree-optimization/18792
12080
12081         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
12082         to first_loop_depth, and use loop depth instead of loop number.
12083         (build_classic_dir_vector): Ditto.
12084         (compute_data_dependences_for_loop): Use depth, not loop number.
12085         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
12086         number. Pass in loops, instead of loop numbers.
12087         (gather_interchange_stats): Ditto.
12088         (linear_transform_loops): Ditto.
12089
12090 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
12091
12092         PR rtl-opt/13299
12093         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
12094         biv_fits_mode_p, extension_within_bounds_p): New functions.
12095         (check_ext_dependent_givs): Use them.
12096
12097 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12098
12099         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
12100         more than one barrier, in which case we should delete them all.
12101
12102 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
12103
12104         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12105
12106 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
12107
12108         Fix PR middle-end/19286
12109         Fix PR debug/19267
12110         * dwarf2out.c (gen_subprogram_die): If we've already tried to
12111         output this subprogram, simply ignore this attempt to do it again.
12112         (add_abstract_origin_attribute): Don't abort trying to add the abstract
12113         origin attribute if it's not possible.
12114         (gen_block_die): Don't ignore subblocks of "unused" blocks.
12115         (decls_for_scope): Ditto.
12116         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12117         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12118
12119 2005-01-05  Richard Henderson  <rth@redhat.com>
12120
12121         PR target/11327
12122         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12123         (bdesc_2arg): Use it.
12124         (ix86_expand_binop_builtin): Force operands into registers
12125         when optimizing.
12126         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12127         ix86_expand_sse_compare, ix86_expand_sse_comi,
12128         ix86_expand_builtin): Likewise.
12129
12130 2005-01-05  Richard Henderson  <rth@redhat.com>
12131
12132         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12133         and VEC_SELECT.
12134         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12135         (mulv4hi3): Set itanium_class mmmul.
12136         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12137         (fpack): Rename from fpack_sfsf.
12138
12139 2005-01-05  Richard Henderson  <rth@redhat.com>
12140
12141         PR rtl-opt/10692
12142         * reload1.c (do_input_reload): Restrict the optimization deleteing
12143         a previous output reload to RELOAD_FOR_INPUT.
12144
12145 2005-01-05  Steven Bosscher  <stevenb@suse.de>
12146
12147         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
12148         comment that we fall through after case.
12149         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12150         (distribute_links): Likewise.
12151         * cse.c (cse_insn): Likewise.
12152         * cselib.c (cselib_invalidate_mem): Likewise.
12153         * df.c: Update comments at the top of the file.
12154         (read_modify_subreg_p): Update comments here too.
12155         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12156         * flow.c (mark_set_1): Likewise.
12157         (mark_used_regs): Likewise.
12158         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12159         (canon_list_insert): Likewise.
12160         (mark_set): Likewise.
12161         (try_replace_reg): Likewise.
12162         (store_killed_in_insn): Likewise.
12163         * loop.c (count_one_set): Likewise.
12164         (basic_induction_var): Likewise.
12165         * postreload-gcse.c (find_mem_conflicts): Likewise.
12166         * postreload.c (reload_combine_note_store): Likewise.
12167         (move2add_note_store): Likewise.
12168         * reload.c (find_equiv_reg): Likewise.
12169         (mark_referenced_resources): Likewise.
12170         * rtlanal.c (set_noop_p): Likewise.
12171         (note_stores): Likewise.
12172         (note_uses): Likewise.
12173         * sched-deps.c (sched_analyze_1): Likewise.
12174         * sched-rgn.c (check_live_1): Likewise.
12175         (update_live_1): Likewise.
12176         * config/i860/i860.c: Likewise.
12177
12178         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12179         an lvalue.
12180         (ZERO_EXTRACT): Mention that this one can be an lvalue.
12181
12182         * doc/rtl.texi: Update documentation for bit-fields and SET.
12183
12184 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12185
12186         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12187
12188 2005-01-05  Jan Hubicka  <jh@suse.cz>
12189             Richard Henderson  <rth@redhat.com>
12190
12191         PR target/18910
12192         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12193         with an offset.
12194
12195 2005-01-05  Richard Henderson  <rth@redhat.com>
12196
12197         PR target/12902
12198         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12199         (sse_shufps): Change operand 3 to const_int_operand.
12200         (sse2_storelps): Fix typo in template.
12201         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
12202         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
12203         (ix86_expand_builtin): Likewise.
12204
12205 2005-01-05  Julian Brown  <julian@codesourcery.com>
12206
12207         * config/arm/arm.c (arm_return_in_memory): Treat complex types
12208         as aggregates for AAPCS ABIs.
12209
12210 2005-01-05  Stan Shebs  <shebs@apple.com>
12211
12212         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
12213         Mach-O getters if ppc64.
12214         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
12215         size argument.
12216         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
12217         signed four-byte field for global code case.
12218         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
12219
12220 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12221
12222         PR middle-end/19100
12223         * c-common.c: Include real.h.
12224         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
12225         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
12226         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
12227         * Makefile.in (c-common.o): Update dependencies.
12228
12229 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12230
12231         * c-parse.in (asm_string): Add trailing semicolon.
12232
12233 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12234
12235         * c-parse.in (asm_string): New.  Don't allow wide strings in
12236         'asm'.
12237         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
12238         asm_string instead of STRING.
12239
12240 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12241
12242         * c-typeck.c (constructor_no_implicit): Remove.
12243         (set_designator, process_init_element): Don't check
12244         constructor_no_implicit.
12245
12246 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
12247             Kaz Kojima  <kkojima@gcc.gnu.org>
12248
12249         PR target/16482
12250         * lcm.c (create_pre_exit): New.
12251         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
12252         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
12253
12254 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12255
12256         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
12257         -msoft-float in target_float_switch.
12258         * arm.c (arm_override_options): Fix processing of target_float_switch.
12259
12260 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12261
12262         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
12263         preferencing.
12264
12265 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
12266
12267         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
12268         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
12269
12270 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12271
12272         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
12273         if deleting the then-block allows the test-block to fallthru to the
12274         else-block.
12275
12276 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
12277
12278         PR c/19152
12279         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
12280         after the full declaration if the are in two different TUs.
12281
12282 2005-01-04  Richard Henderson  <rth@redhat.com>
12283
12284         PR tree-opt/19158
12285         * tree-sra.c (generate_one_element_init): Just
12286         call gimplify_and_add.
12287         (generate_element_init): Record the
12288         new referenced variables and mark them for renaming
12289         and split out to ...
12290         (generate_element_init_1): This.
12291         (scalarize_init): Don't call push_gimplify_context/
12292         pop_gimplify_context.
12293
12294 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
12295
12296         * toplev.c (get_src_pwd): Handle failure of getpwd().
12297
12298 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12299
12300         * fold-const.c (fold_single_bit_test): Delete unreachable handling
12301         of TRUTH_NOT_EXPR.
12302         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
12303         all the cases handled by it are inverted by invert_truthvalue.
12304
12305 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12306
12307         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
12308         (save_register_windowsi): Likewise.
12309
12310 2005-01-04  Richard Henderson  <rth@redhat.com>
12311
12312         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
12313
12314 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12315
12316         PR middle-end/17767
12317         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
12318         any simplifications of vector mode comparison operators.
12319         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
12320
12321 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
12322             Devang Patel  <dpatel@apple.com>
12323
12324         PR tree-optimization/18308
12325         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
12326         the operands before creating a new expression.
12327         * dojump.c (do_jump): Make drop_through_label available
12328         for all cases.  Add expansion of COND_EXPR.
12329
12330 2005-01-04  Ira Rosen  <irar@il.ibm.com>
12331
12332         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
12333         INTEGER_CST instead of TREE_CONSTANT.
12334         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
12335         instead of TREE_CONSTANT.
12336         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
12337         instead of TREE_CONSTANT.
12338
12339 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12340
12341         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
12342
12343 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12344
12345         PR target/19240
12346         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
12347         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
12348
12349 2005-01-03  Richard Henderson  <rth@redhat.com>
12350
12351         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
12352         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
12353         fold_convert_const_real_from_real): Split out from ...
12354         (fold_convert_const): ... here.
12355
12356 2005-01-03  Richard Henderson  <rth@redhat.com>
12357
12358         PR target/19235
12359         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
12360         (mov<MMXMODEI>_internal): Likewise.
12361         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
12362         Add V2SF case; use it for SSE1; don't use TI.
12363         (movdf_integer): Likewise.
12364         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
12365
12366 2005-01-03  Ira Rosen  <irar@il.ibm.com>
12367
12368         * tree-vectorizer.c (vect_strip_conversions): New function.
12369         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
12370         check for binary class.
12371
12372 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
12373
12374         Fix PR debug/17924
12375         Fix PR debug/19191
12376         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
12377         is a decl.
12378         * gimple-low.c (mark_blocks_with_used_vars): New function.
12379         (mark_blocks_with_used_subblocks): Ditto.
12380         (mark_used_blocks): Ditto.
12381         (pass_mark_used_blocks): New pass.
12382         * tree-inline.c: Include debug.h.
12383         (expand_call_inline): Call outlining_inline_function here.
12384         * tree-optimize.c (init_tree_optimization_passes): Add
12385         pass_mark_used_blocks.
12386         * tree-pass.h (pass_mark_used_blocks): New.
12387         * Makefile.in (tree-inline.o): Add debug.h dependency.
12388
12389 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
12390
12391         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
12392         VAR_DECLs to have weak_import attribute.
12393
12394         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
12395         'struct ucontext'.
12396
12397 2004-01-03  Steven Bosscher  <stevenb@suse.de>
12398
12399         * passes.c (rest_of_compilation): Don't run regmove if only
12400         flag_expensive_optimizations, require flag_regmove instead.
12401
12402 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12403
12404         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
12405         register "sparc".
12406         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
12407         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12408         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
12409         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12410
12411 2005-01-03  Richard Henderson  <rth@redhat.com>
12412
12413         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
12414         (ia64_const_ok_for_letter_p): New.
12415         (ia64_const_double_ok_for_letter_p): New.
12416         (ia64_extra_constraint): New.
12417         (ia64_expand_vecint_compare): New.
12418         (ia64_expand_vcondu_v2si): New.
12419         (ia64_expand_vecint_cmov): New.
12420         (ia64_expand_vecint_minmax): New.
12421         (ia64_print_operand): Add 'v'.
12422         (ia64_preferred_reload_class): New.
12423         (ia64_vector_mode_supported_p): New.
12424         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
12425         (PREFERRED_RELOAD_CLASS): Move to function.
12426         (CONST_OK_FOR_LETTER_P): Move to function.
12427         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
12428         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
12429         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
12430         (EXTRA_CONSTRAINT): Move to function.
12431         * config/ia64/ia64.md: Include vect.md.
12432         (itanium_class): Add mmalua.
12433         (type): Handle it.
12434         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
12435         (1b_mmalua): New.
12436         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
12437         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
12438         CONST0_RTX.
12439         (const_int_2bit_operand): New.
12440         (fr_reg_or_0_operand): New.
12441         * config/ia64/ia64-modes.def: Add vector modes.
12442         * config/ia64/ia64-protos.h: Update.
12443         * config/ia64/vect.md: New file.
12444
12445 2005-01-03  Richard Henderson  <rth@redhat.com>
12446
12447         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
12448
12449 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
12450
12451         PR target/19236
12452         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
12453         to SFmode.
12454         (log1pdf2): Change mode of operands[0,1] to DFmode.
12455
12456 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12457
12458         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
12459         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
12460         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
12461         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
12462         SPARC_RELAXED_ORDERING.
12463
12464 2005-01-03  Richard Henderson  <rth@redhat.com>
12465             Uros Bizjak  <uros@kss-loka.si>
12466
12467         PR target/14631
12468         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
12469         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
12470         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
12471         handling.
12472         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
12473         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
12474         const_pow2_1_to_128_operand): New predicates.
12475
12476 2005-01-02  Greg McGary  <greg@mcgary.org>
12477
12478         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
12479         anonymous decls.
12480         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
12481         object.  [ptr_type]: Remove unused variable.
12482         Remember nearest addressable array-element or record-component
12483         when checking bitfield components.  Tolerate empty BIND_EXPR.
12484
12485 2005-01-01  Richard Henderson  <rth@redhat.com>
12486
12487         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12488         that don't narrow the value.  Fail for other conversions.
12489
12490 2005-01-01  Richard Henderson  <rth@redhat.com>
12491
12492         PR c/19031
12493         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12494         * c-lang.c (finish_file): Don't do it here.
12495         * objc/objc-act.c (objc_finish_file): Likewise.
12496
12497         * cgraph.c (decl_assembler_name_equal): New.
12498         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12499         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12500         * cgraph.h (struct cgraph_varpool_node): Add next.
12501         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12502         * varasm.c (assemble_alias): Mark the target as needed.
12503
12504 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12505
12506         PR middle-end/19221
12507         * function.c (get_arg_pointer_save_area): Use entry_of_function
12508         instead of get_insns.
12509
12510 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12511             Andrew Pinski  <pinskia@physics.uc.edu>
12512             James E. Wilson  <wilson@specifixinc.com>
12513
12514         PR rtl-optimization/12092
12515         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12516         is zero.
12517
12518 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12519             Olivier Hainque  <hainque@act-europe.fr>
12520
12521         * tree.c (int_fits_type_p): A narrower type always fits in a
12522         wider one, except for negative values into unsigned types.
12523
12524 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12525
12526         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12527         with the original constant rather than require TREE_OVERFLOW.
12528
12529 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12530
12531         PR middle-end/17544
12532         * c-decl.c (finish_function): If compiling C99, annotate the
12533         compiler generated return with the current file name and line 0.
12534         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12535         the source line is greater than 0.
12536         (remove_bb): Likewise.