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2005-04-20 Michael Pogue <michael.pogue@sun.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
2             Joseph S. Myers  <joseph@codesourcery.com>
3
4         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
5         * c-typeck.c (build_c_cast): Check these options.
6         * doc/invoke.texi: Document these options.
7
8 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
9
10         * tree-ssa-phiopt.c: Update a comment about the pass.
11
12 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
13
14         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
15         config/mcore/mcore.c: Fix comment typos.
16
17 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
18
19         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
20         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
21
22 2005-04-19  Paul Brook  <paul@codesourcery.com>
23
24         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
25
26 2005-04-19  Andrew Haley  <aph@redhat.com>
27
28         PR java/21022
29         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
30         looking at a field's bitpos.
31
32 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
33
34         * system.h (fopen, fdopen, freopen): Define these to the unlocked
35         libiberty functions.
36
37 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
38
39         PR tree-optimization/21096
40         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
41
42 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
43
44         PR target/21098
45         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
46         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
47
48 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
49
50         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
51         refers to the function being dumped.
52
53 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
54
55         * varasm.c (assemble_start_function): Remove reset of in_section.
56
57 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
58
59         PR tree-optimization/21085
60         * fold-const (fold_binary): Don't change X % -C to X % C if C has
61         overflowed.
62
63 2005-04-19  Ben Elliston  <bje@au.ibm.com>
64
65         * doc/invoke.texi (Optimize Options): Refer to the correct
66         optimisation flag -ftree-dominator-opts, not -ftree-dom.
67
68 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
69
70         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
71         alloca argument to be big enough.
72
73 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
74
75         PR middle-end/21049
76         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
77         cfun->cfg are NULL.
78
79 2005-04-18  Tom Tromey  <tromey@redhat.com>
80
81         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
82         typo.
83
84 2005-04-18  Richard Henderson  <rth@redhat.com>
85
86         * config/alpha/alpha.c (alpha_split_atomic_op): New.
87         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
88         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
89         * config/alpha/alpha-protos.h: Update.
90         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
91         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
92         (attr type): Add ld_l, st_c, mb.
93         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
94         iornotsi3, xorsi_internal, xornotsi3): New.
95         * config/alpha/ev4.md (ev4_ld): Add ld_l.
96         (ev4_ist_c, ev4_mb): New.
97         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
98         (ev5_ld_l): New.
99         * config/alpha/ev6.md (ev6_ild): Add ld_l.
100         (ev6_ist): Add st_c.
101         (ev6_mb): New.
102         * config/alpha/sync.md: New file.
103
104 2005-04-18  Richard Henderson  <rth@redhat.com>
105
106         * builtins.c (expand_builtin_sync_operation): Fold nand to and
107         for constants.
108
109         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
110
111 2005-04-18  Devang Patel  <dpatel@apple.com>
112
113         * config/rs6000/atlivec.md (mulv4si3): New pattern.
114         
115 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
116
117         PR tree-optimization/20922
118         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
119         Fold X + c >= X and fold X - c <= X to true.
120
121 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
122
123         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
124         unsigned int.
125         (emergency_labeled_state_free): Likewise.
126
127 2005-04-18  Nick Clifton  <nickc@redhat.com>
128
129         * config/h8300/h8300.md (jump): Remove prescan parameter from
130         calls to final_scan_insn.
131
132         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
133         parameter from calls to final_scan_insn.
134
135         * config.gcc (m68hc12): Use the m68hc11.opt file for target
136         specific options.
137         (v850e, v850e1): Use the v850.opt file for target specific
138         options.
139
140 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
141
142         PR tree-optimization/21001
143         * tree-optimize.c (init_tree_optimization_passes): Move the
144         first pass_forwprop immediately before pass_vrp.
145
146 2005-04-17  Ian Lance Taylor  <ian@airs.com>
147
148         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
149         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
150         from enum tree_code op to bool is_sizeof.
151         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
152         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
153         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
154         case.
155         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
156         cases.
157         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
158         ALIGNOF_EXPR cases.
159
160 2005-04-17  Ian Lance Taylor  <ian@airs.com>
161
162         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
163
164 2005-04-17  Richard Henderson  <rth@redhat.com>
165
166         * config/alpha/alpha.c (va_list_skip_additions): Only define if
167         TARGET_ABI_OSF.
168         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
169         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
170         of indirection through ssa names while looking for the gpr counter
171         field.
172         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
173         saved va_list_gpr_size and va_list_fpr_size.
174
175 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
176
177         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
178         both pointers or both integers.
179
180         * tree-vrp.c (maybe_add_assert_expr): Don't assert
181         ASSERT_EXPRs for single-use variable.
182
183         * tree-into-ssa.c: Fix a comment typo.
184
185 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
186
187         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
188         -mipsN before forcing a default of -mips2.
189
190 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
191
192         * predict.h (IS_TAKEN): Remove.
193         * rtl.h (NOTE_PREDICTION): Likewise.
194
195         * modulo-sched.c (CFG_HOOKS): Remove.
196
197         * c-parser.c (N_C_TTYPES): Remove.
198
199         * tree-flow-inline.h (get_stmt_operands): Remove.
200         * lambda-code.c, tree-ssa-loop-unswitch.c,
201         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
202         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
203         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
204         calls to get_stmt_operands.
205         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
206
207 2005-04-17  Richard Henderson  <rth@redhat.com>
208
209         PR target/20375
210         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
211         of CUMULATIVE_ARGS past the last named argument.
212         (alpha_va_start): Expect pretend_args_size only if strictly less than
213         6 named arguments.
214
215 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
216
217         PR middle-end/21024
218         * builtins.c (expand_builtin_strcat): Convert the result of
219         strlen to the right type.
220         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
221         avoid creating type mismatches.
222         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
223         type mismatches.
224
225         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
226
227 2005-04-16  Richard Henderson  <rth@redhat.com>
228
229         PR target/21051
230         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
231         Use the mode of boolean_type_node when the user doesn't provide one.
232         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
233
234 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
235
236         PR target/20126
237         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
238         (const)).
239
240         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
241         comment.
242
243 2005-04-16  Roger Sayle  <roger@eyesopen.com>
244             Steven Bosscher  <stevenb@suse.de>
245
246         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
247         (fold_unary_to_constant): Likewise.
248
249 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
250
251         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
252         PROP_ASM_SCAN.
253
254 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
255
256         * doc/install.texi (Specific): Avoid using asterisks in @anchor
257         names related to target triplets.
258         Remove i?86-*-esix from platform directory.
259         Remove powerpc-*-eabiaix from platform directory.
260
261 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
262
263         PR middle-end/20491
264         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
265         falling through from SUBREG case to REG.
266
267 2005-04-15  Roger Sayle  <roger@eyesopen.com>
268
269         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
270         (fold_binary): Update comment mentioning fold_relational_hi_lo.
271         (fold_binary_to_constant): Simplify using fold_binary.
272         (fold_unary_to_constant): Likewise, simplify using fold_unary.
273
274 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
275
276         * gthr-posix.c (pthread_cancel): Define.
277         (pthread_mutexattr_init): Likewise.
278         (pthread_mutexattr_settype): Likewise.
279         (pthread_mutexattr_destroy): Likewise.
280
281 2005-04-15  David S. Miller  <davem@davemloft.net>
282
283         PR target/20673
284         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
285
286 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
287
288         PR tree-optimization/21031
289         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
290         (forward_propagate_into_cond_1): Call it.  Forward propagate
291         integer-integer casts into COND_EXPRs.
292
293 2005-04-15  Dave Korn  <dave.korn@artimi.com>
294
295         * gcc.c (default_compilers): Clarify obscure error message when
296         reading from standard input.
297
298 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
299
300         * basic-block.h (PROP_EQUAL_NOTES): Remove.
301         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
302
303         * tree-ssa-alias.c (init_alias_info): Remove a call to
304         get_stmt_operands.
305
306 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
307
308         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
309         of non-virtual PHI nodes like we use to.
310
311 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
312
313         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
314         (attr_copy_rtx): Do not use it.
315
316 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
317
318         * doc/tree-ssa.texi: Grammer/abbreviation updates.
319
320 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
321
322         * tree-vect-transform.c (vectorizable_store): Mark necessary
323         objects in the vectorized store needing renaming.  Update the
324         SSA graph for V_MAY_DEF operands in the original store.
325
326 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
327
328         * tree-ssa-pre.c (compute_avail): It's okay to have
329         TREE_INVARIANT's here, and value number the resulting expressions.
330         (create_expression_by_pieces): Make sure operands that were
331         min_invariant when we started, stay that way.
332
333 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
334
335         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
336
337 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
338
339         PR tree-optimization/20936.
340         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
341
342 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
343
344         * doc/invoke.texi: Fix typos.
345         * doc/md.texi: Likewise.
346         * doc/rtl.texi: Likewise.
347         * doc/sourcebuild.texi: Likewise.
348         * doc/tm.texi: Likewise.
349
350 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
351
352         PR tree-optimization/21004
353         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
354         and floorl in c99 mode only.
355         * builtins.c (expand_builtin_int_roundingfn): Assert that
356         fallback_fndecl is not NULL_TREE.
357
358 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
359
360         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
361         * basic-block.h: Update the prototype for
362         purge_all_dead_edges.
363         * cfgexpand.c (tree_expand_cfg): Update a call to
364         purge_all_dead_edges.
365         * combine.c (combine_instructions): Likewise.
366         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
367         rest_of_handle_cse2, rest_of_handle_gcse,
368         rest_of_handle_postreload): likewise.
369
370 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
371
372         PR middle-end/20739
373         * gimplify.c (gimplify_addr_expr): Compensate for removal of
374         e.g. cv-qualification conversions.
375
376 2005-04-14  Mike Stump  <mrs@apple.com>
377
378         * config/darwin-c.c (framework_construct_pathname): We must
379         find all headers of a framework in the first instance of it
380         found in the seach path.
381
382 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
383
384         PR tree-optimization/21021
385         * tree-vrp.c (compare_values): Work around a bug in the front
386         end that produces a comparison of mismatched types.
387
388 2004-04-14  Richard Henderson  <rth@redhat.com>
389
390         * config/ia64/ia64.h (enum fetchop_code): Remove.
391         (enum ia64_builtins): Move ...
392         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
393         members except BSP and FLUSHRS.
394         (ia64_init_builtins): Remove __sync builtins.
395         (ia64_expand_builtin): Likewise.
396         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
397         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
398         (ia64_expand_lock_release): Remove.
399         * config/ia64/ia64.md (mf): Move to sync.md.
400         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
401         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
402         * config/ia64/sync.md: New file.
403         (memory_barrier): Rename from mf.
404         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
405         (cmpxchg_acq_<I48MODE>): Likewise.
406         (sync_lock_test_and_set<I48MODE>): Likewise.
407
408         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
409         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
410
411 2004-04-14  Richard Henderson  <rth@redhat.com>
412
413         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
414         (ix86_compare_emitted): New.
415         (ix86_expand_compare): Use ix86_compare_emitted if set.
416         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
417         and ix86_compare_op0 are set.
418         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
419         (TARGET_CMPXCHG, TARGET_XADD): New.
420         (ix86_compare_emitted): Declare.
421         * config/i386/i386.md: Include sync.md
422         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
423         (UNSPECV_XCHG, UNSPECV_LOCK): New.
424         * config/i386/sync.md: New file.
425
426 2004-04-14  Richard Henderson  <rth@redhat.com>
427
428         PR middle-end/14311
429         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
430         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
431         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
432         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
433         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
434         BT_FN_I8_VPTR_I8_I8): New.
435         * builtins.def (DEF_SYNC_BUILTIN): New.
436         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
437         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
438         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
439         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
440         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
441         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
442         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
443         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
444         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
445         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
446         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
447         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
448         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
449         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
450         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
451         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
452         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
453         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
454         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
455         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
456         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
457         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
458         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
459         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
460         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
461         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
462         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
463         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
464         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
465         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
466         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
467         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
468         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
469         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
470         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
471         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
472         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
473         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
474         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
475         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
476         BUILT_IN_SYNCHRONIZE: New.
477         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
478         as a function.  Accept __sync_ as a prefix as well.
479         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
480         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
481         expand_builtin_lock_release): New.
482         (expand_builtin): Call them.
483         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
484         neither BOTH_P nor FALLBACK_P are defined.
485         (builtin_type_for_size): New.
486         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
487         (resolve_overloaded_builtin): New.
488         * c-common.h (resolve_overloaded_builtin): Declare.
489         (builtin_type_for_size): Declare.
490         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
491         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
492         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
493         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
494         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
495         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
496         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
497         sync_compare_and_swap_cc, sync_lock_test_and_set,
498         sync_lock_release): New.
499         * optabs.h: Declare them.
500         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
501         expand_sync_operation, expand_sync_fetch_operation,
502         expand_sync_lock_test_and_set): Declare.
503         * genopinit.c (optabs): Add sync optabs.
504         * optabs.c (init_optabs): Initialize sync optabs.
505         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
506         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
507         expand_sync_operation, expand_sync_fetch_operation,
508         expand_sync_lock_test_and_set): New.
509         * doc/extend.texi (Atomic Builtins): New section
510         * doc/md.texi (Standard Names): Add sync patterns.
511
512 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
513
514         * tree-eh.c (lower_try_finally_copy): Generate new code in
515         response to goto_queue entries as if the queue was sorted by
516         index, not pointers.
517         (lower_try_finally_switch): Likewise.
518
519 2005-04-14  Richard Henderson  <rth@redhat.com>
520
521         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
522         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
523         register.
524         (ix86_expand_fp_movcc): Update to match.
525         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
526         * config/i386/i386-protos.h: Update.
527         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
528         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
529
530 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
531
532         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
533         refer to 4.0.
534
535 2005-04-14  Julian Brown  <julian@codesourcery.com>
536
537         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
538         link failures on ppc64 Linux.
539
540 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
541
542         * config.gcc: Set cpu_type for s390.
543
544 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
545
546         Fix PR tree-optimization/20963
547         * tree-ssa-pre.c (compute_avail): Remove special case for
548         TREE_INVARIANT.
549         (create_expression_by_pieces): Add value numbers for forced out
550         statements.
551
552 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
553
554         * config/cris/cris.md: Replace references to (reg:SI 16) with
555         (reg:SI CRIS_SRP_REGNUM).
556
557 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
558
559         PR tree-optimization/20657
560         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
561         create an appropriate range from it.
562
563 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
564
565         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
566         <UNSPEC_FIST_CEIL> case.
567
568         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
569         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
570         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
571         to implement lfloor and llfloor built-ins as x87 intrinsic function.
572         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
573         (lfloor<mode>2): New expanders.
574         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
575         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
576         to implement lceil and llceil built-ins as x87 intrinsic function.
577         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
578         (lceil<mode>2): New expanders.
579
580 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
581
582         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
583         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
584
585 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
586
587         PR target/20927
588         * config/s390/s390-modes.def: Define TFmode.
589
590 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
591
592         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
593         (JUMP_TABLES_IN_TEXT_SECTION): Define.
594         * config/mips/mips.c (mips16_insn_length): Remove reference to
595         JUMP_TABLES_IN_TEXT_SECTION.
596
597 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
598
599         * simplify-rtx.c (simplify_binary_operation_1): Return
600         scalar or vector of constant 0, depending on the xor's
601         mode.
602
603 2005-04-13  Dale Johannesen  <dalej@apple.com>
604
605         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
606         (objc-act.o):  Ditto.
607         * objc/objc-act.c (objc_gimplify_expr):  New.
608         (objc_get_callee_fndecl):  New.
609         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
610         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
611         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
612
613 2005-04-13  Devang Patel  <dpatel@apple.com>
614
615         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
616         temp variables.
617
618 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
619
620         CRIS prologue as RTL.
621         * config/cris/cris-protos.h (cris_emit_movem_store)
622         (cris_expand_prologue): Prototype.
623         * config/cris/cris.c (struct machine_function): New member
624         stdarg_regs.
625         (cfa_label_num, cris_target_asm_function_prologue): Remove.
626         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
627         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
628         (cris_load_multiple_op, cris_return_address_on_stack)
629         (cris_return_address_on_stack_for_return): ISO-Cify.
630         (cris_store_multiple_op): New predicate function.
631         (cris_expand_prologue, cris_emit_movem_store): New functions.
632         (cris_print_operand) <case 'O'>: Handle modifications other than
633         post-increment.
634         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
635         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
636         (cris_gen_movem_load): Rearrange slightly to make local variable
637         src a parameter, removing osrc.
638         (cris_setup_incoming_varargs): Set machine_function member
639         stdarg_regs to correspond to the number of registers that need to
640         be saved.
641         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
642         CRIS_UNSPEC_GOT.
643         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
644         cris_general_operand_or_gotless_symbol accept UNSPEC.
645         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
646         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
647         ("*cris_store_multiple"): New pattern.  Tweak common comment above
648         this and "*cris_load_multiple".
649         ("prologue"): New define_expand.
650
651         * config/cris/cris.md ("epilogue"): Conditionalize on
652         TARGET_PROLOGUE_EPILOGUE.
653
654 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
655
656         PR target/20924
657         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
658         fpsr 0 instead of fpsr 1.
659         (divsf3_internal_thr): Ditto.
660         (divdf3_internal_lat): Ditto.
661         (divdf3_internal_thr): Ditto.
662         (divxf3_internal_lat): Ditto.
663         (divxf3_internal_thr): Ditto.
664
665 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
666
667         PR tree-optimization/20913
668         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
669
670         PR tree-optimization/20702
671         * tree-vrp.c (maybe_add_assert_expr): Recurse into
672         dominator children that haven't been walked into.
673
674 2005-04-13  Julian Brown  <julian@codesourcery.com>
675
676         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
677         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
678         is true.
679
680 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
681
682         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
683         config/i386/sse.md: Fix comment typos.
684
685         * genattrtab.c (NULL_ATTR): Remove.
686         * ifcvt.c (NULL_EDGE): Likewise.
687
688         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
689
690         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
691         NOTE_PREDICT): Remove.
692
693 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
694
695         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
696         * configure: Regenerate.
697         * config.in: Likewise.
698         * system.h: Declare vsnprintf if not already declared.
699
700 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
701
702         * optc-gen.awk: Handle stand-alone Mask records.
703         * opth-gen.awk: Likewise.
704         * doc/options.texi (Option file format): Document them.
705         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
706         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
707         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
708         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
709         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
710         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
711         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
712         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
713         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
714         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
715         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
716         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
717         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
718         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
719         TARGET_LONG_DOUBLE_128): Likewise.
720         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
721         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
722         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
723         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
724         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
725         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
726         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
727         * config/sparc/sparc.c (fpu_option_set): New global.
728         (sparc_handle_option): New function.
729         (sparc_override_options): Test fpu_option_set.
730         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
731         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
732         * config/sparc/sparc.opt: New file.
733         * config/sparc/little-endian.opt: Likewise.
734         * config/sparc/long-double-switch.opt: Likewise.
735
736 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
737
738         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
739         (bfin_handle_options): Set it if -mshared-library-id= is seen.
740         * config/bfin/bfin.opt (mshared-library-id=): Lose
741         Var(bfin_lib_id_given).
742
743 2005-04-13  Matt Thomas  <matt@3am-software.com>
744
745         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
746         defining.
747
748 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
749
750         * rtl.h (CLEAR_RTX_FLAGS): Remove.
751
752         * cgraphunit.c (INSNS_PER_CALL): Remove.
753
754         * tree-ssa-forwprop.c (vars,
755         record_single_argument_cond_exprs,
756         substitute_single_use_vars): Remove.
757         (forward_propagate_into_cond_1, forward_propagate_into_cond):
758         New.
759         (tree_ssa_forward_propagate_single_use_vars): Call
760         forward_propagate_into_cond for each COND_EXPR.
761
762         * tree-inline.c (INSNS_PER_STMT): Remove.
763
764 2005-04-12  Richard Henderson  <rth@redhat.com>
765
766         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
767         (ix86_expand_sse_fp_minmax): ... from ...
768         (ix86_expand_fp_movcc): ... here.
769         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
770         * config/i386/i386-protos.h: Update.
771         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
772         (sse_setccsf, sse_setccdf): Allow before reload.
773         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
774         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
775         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
776         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
777         (anddf3, nanddf3, iordf3, xordf3): New.
778
779 2005-04-12  Jeff Law  <law@redhat.com>
780
781         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
782         (tree-ssa-uncprop.o): Add dependencies.
783         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
784         * tree-flow.h (remove_useless_stmts): Remove prototype.
785         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
786         remove_useless_stmts.
787         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
788         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
789         * tree-pass.h (pass_uncprop): Declare.
790         * tree-ssa-uncprop.c: New file.
791
792 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
793
794         PR target/20670
795         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
796
797 2005-04-12  Caroline Tice  <ctice@apple.com>
798
799         Temporary fix for partitioning problems.
800         * passes.c (rest_of_handle_final): Remove code that
801         frees unlikely_text_section_name,
802         * varasm.c (assemble_start_function): Test for partitioning
803         flag before writing out section labels.
804         (assemble_end_function): Test for partitioning flag before
805         writing out section labels.
806
807 2005-04-12  Steven Bosscher  <stevenb@suse.de>
808             Stuart Hastings <stuart@apple.com>
809             Jan Hubicka  <jh@suse.cz>
810
811         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
812         references to gt-tree-cfg.h.
813         * basic-block.h (struct basic_block_def): Don't skip rbi
814         for garbage collection.
815         (struct reorder_block_def): Make GTY-able.
816         (struct control_flow_graph): New structure.
817         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
818         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
819         but instead defines to the control_flow_graph for cfun.
820         (label_to_block_map): New define, points to the label map of
821         the control_flow_graph for cfun.
822         (n_edges_for_function, n_basic_blocks_for_function,
823         last_basic_block_for_function, basic_block_info_for_function,
824         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
825         basic_block_info_for_function, label_to_block_map_for_function):
826         Counterparts for the above, taking a struct function as an extra
827         argument.
828         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
829         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
830         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
831         (alloc_rbi_pool, free_rbi_pool): Remove.
832         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
833         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
834         here...
835         (cfg_layout_finalize) ... and don't free it here.
836         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
837         garbage collected.
838         * flow.c (free_basic_block_vars): Set label_to_block_map and
839         n_edges to zero too.
840         * function.h (struct function): Add cfg field.
841         * function.c (allocate_struct_function): Allocate the cfg.
842         * tree-cfg.c (label_to_block_map): Remove.
843         (build_tree_cfg): Don't allocate the rbi pool here...
844         (delete_tree_cfg_annotations): ...and don't free it here.
845         Also don't nullify label_to_block_map for cfun.
846
847 2005-04-12  Caroline Tice  <ctice@apple.com>
848
849         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
850         Revert my patch from April 9.
851         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
852         (reorder_basic_blocks): Revert my patch from April 9.
853         (insert_section_boundary_note): Revert my patch from April 9.
854         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
855         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
856         (COLD_END_LABEL):  Revert my patch from April 9.
857         (cold_text_section_label):  Revert my patch from April 9.
858         (cold_end_label): Revert my patch from April 9.
859         (dwarf2out_switch_text_section): Revert my patch from April 9.
860         (output_aranges): Revert my patch from April 9.
861         (output_ranges):  Revert my patch from April 9.
862         (output_line_info): Revert my patch from April 9.
863         (add_location_or_const_value_attribute):  Revert my patch from April 9.
864         (dwarf2out_var_location): Revert my patch from April 9.
865         (dwarf2out_init):  Revert my patch from April 9.
866         (dwarf2out_finish): Revert my patch from April 9.
867         * function.h (struct function): Revert my patch from April 9.
868         * opts.c (decode_options): Revert my patch from April 9.
869         * output.h (unlikely_section_label, hot_section_label,
870         hot_section_end_label, cold_section_end_label,
871         unlikely_text_section_name): Revert my patch from April 9.
872         * passes.c (rest_of_handle_final): Revert my patch from April 9.
873         * varasm.c (unlikely_section_label, hot_section_label,
874         hot_section_end_label, cold_section_end_label,
875         unlikely_text_section_name): Revert my patch from April 9.
876         (initialize_cold_section_name): Revert my patch from April 9.
877         (unlikely_text_section): Revert my patch from April 9.
878         (in_unlikely_text_section): Revert my patch from April 9.
879         (named_section): Revert my patch from April 9.
880         (function_section): Revert my patch from April 9.
881         (current_function_section): Revert my patch from April 9.
882         (assemble_start_function): Revert my patch from April 9.
883         (assemble_end_function): Revert my patch from April 9.
884         (default_section_type_flags_1): Revert my patch from April 9.
885
886 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
887
888         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
889         * config/sparc/sparc.md (untyped_call): Save the registers manually.
890
891         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
892
893 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
894
895         PR middle-end/20917
896         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
897         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
898
899 2004-04-12  Richard Henderson  <rth@redhat.com>
900
901         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
902         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
903         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
904         (UNSPEC_*, UNSPECV_*): Renumber.
905
906 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
907
908         PR mudflap/19266
909         From Richard Henderson <rth@redhat.com>:
910         * tree-mudflap.c (mf_build_check_statement_for): Correct block
911         splitting logic.
912
913 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
914
915         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
916
917 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
918
919         * config/bfin/bfin.c (bfin_library_id_string): Remove.
920         (bfin_library_id): New variable.
921         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
922         instead of bfin_library_id_string.
923         (bfin_handle_option): New function.
924         (override_options): Remove most code to deal with shared library IDs,
925         just check they aren't used without -mid-shared-library.
926         (TARGET_HANDLE_OPTION): Define.
927         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
928         * config/bfin/bfin.opt (mshared-library-id=): New.
929
930 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
931
932         * tree-vect-transform.c: Fix comment typos.
933
934 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
935
936         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
937         split critical edges when not possible/profitable.
938
939 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
940
941         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
942         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
943         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
944         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
945         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
946         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
947         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
948         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
949         MASK_NO_BITFIELD.
950         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
951         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
952         * config/ns32k/ns32k.opt: New file.
953
954 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
955
956         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
957         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
958         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
959         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
960         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
961         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
962         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
963         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
964         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
965         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
966         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
967         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
968         (MASK_COLDFIRE): Formatting fixes.
969         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
970         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
971         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
972         "_current_shared_library_a5_offset_".
973         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
974         (MASK_ALL_CPU_BITS): New macro.
975         (m68k_handle_option): New function.
976         (override_options): Remove handling of m68k_library_id_string.
977         * config/m68k/m68k.opt: New file.
978         * config/m68k/ieee.opt: New file.
979
980 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
981
982         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
983         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
984         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
985         (TARGET_CXX): Adjust accordingly.
986         * target.h (struct gcc_target): Remove epxort_class_data.  Add
987         determine_class_data_visibility and class_data_always_comdat.
988         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
989         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
990         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
991         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
992         (arm_cxx_determine_class_data_visibility): New.
993         (arm_cxx_class_data_always_comdat): Likewise.
994         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
995         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
996         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
997         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
998         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
999         Define.
1000
1001 2005-04-11  Devang Patel  <dpatel@apple.com>
1002
1003         * tree-data-ref.c (build_classic_dist_vector,
1004         compute_subscript_distance): Make externally visible.
1005         * tree-data-ref.h (build_classic_dist_vector,
1006         compute_subscript_distance): Same.
1007         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
1008         Check distance vector against vectorization factor.
1009         (vect_analyze_loop): Determine vectorizaion factor before
1010         analyzing data dependences.
1011         * tree-vectorizer.c (loops_num): Make it externally visible and
1012         rename ...
1013         * tree-vectorizer.c (vect_loops_num): ... new name.
1014         * tree-vectorizer.h  (vect_loops_num): New.
1015
1016 2005-04-11  Devang Patel  <dpatel@apple.com>
1017
1018         * tree-vect-analyze.c (vect_analyze_operations): Check
1019         vectorizable codition.
1020         * tree-vect-transform.c (vect_is_simple_cond): New function.
1021         (vectorizable_condition): New function.
1022         (vect_transform_stmt): Handle condition_vec_info_type.
1023         * tree-vectorizer.h (enum stmt_vec_info_type): Add
1024         condition_vec_info_type.
1025         (vectorizable_condition): New.
1026
1027 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
1028
1029         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
1030         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
1031         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
1032
1033         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
1034         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
1035
1036         * dwarf2out.c (output_line_info): Don't try to dereference
1037         a NULL current_function_decl.
1038
1039         * config/t-slibgcc-darwin: Don't put shared libraries in
1040         directories other than $(slibdir).
1041         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
1042         OS uses for it.
1043
1044 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1045
1046         PR tree-optimization/20933
1047         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
1048         logic to reject aliases between read-only and writable
1049         variables ...
1050         (may_alias_p): ... here.
1051         (get_tmt_for): Do not associate read-only tags to pointers
1052         whose pointed-to type is not read-only.
1053         * tree-ssa.c (verify_ssa): Check that memory stores have at
1054         least one V_MAY_DEF or V_MUST_DEF.
1055
1056 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1057
1058         PR/17092
1059         * configure.ac (gcc_UNLOCKED_FUNCS): New.
1060         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
1061         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
1062         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
1063         _unlocked function.
1064         (fwrite_unlocked): Fix prototype.
1065
1066         * configure, config.in: Regenerate.
1067
1068 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
1069
1070         * tree-ssa-loop-im.c: Include real.h.
1071         (determine_invariantness_stmt): If real division divisor is
1072         invariant and flag_unsafe_math_optimizations enabled, generate
1073         invariant reciprocal for hoisting.
1074         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
1075
1076 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1077
1078         Fix PR tree-optimization/20926
1079
1080         * tree-ssa-alias.c (add_type_alias): Handle subvars.
1081
1082 2005-04-11  Devang Patel  <dpatel@apple.com>
1083
1084         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
1085         operand ordering.
1086
1087 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1088
1089         * fold-const.c (fold_binary_op_with_conditional_arg):
1090         use fold_buildN instead of "fold (buildN" in some
1091         non obvious places.
1092         (fold_unary): Likewise.
1093         (fold_binary): Likewise.
1094
1095 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1096
1097         Fix PR tree-optimization/20612
1098         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
1099         handling
1100         (perfect_nestify): preheaderbb is *not* part of loop of the
1101         old destination.
1102
1103 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1104
1105         * tree-ssa-alias.c (may_alias_p): If the variable
1106         is a global variable and the pointer is parameter
1107         and -fargument-noalias-global is used, then
1108         the pointer cannot alias the variable.
1109
1110 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
1111
1112         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
1113         * config/sparc/sparc.h: Likewise.
1114         * config/sparc/sparc.md: Likewise.
1115
1116 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
1117
1118         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
1119
1120         * tree-vrp.c: Fix a comment typo.
1121
1122 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1123
1124         PR tree-optimization/20920
1125         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
1126         SSA_NAME flows through an abnormal edge.
1127         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
1128         through abnormal edges.
1129         (maybe_add_assert_expr): Likewise.
1130
1131 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
1132
1133         * config/s390/s390.h (s390_tune_string, s390_arch_string)
1134         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
1135         (s390_stack_size_string, s390_stack_guard_string, target_flags)
1136         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
1137         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
1138         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
1139         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
1140         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
1141         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
1142         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1143         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1144         (TARGET_HANDLE_OPTION): Likewise.
1145         (s390_tune): Initialize to PROCESSOR_max.
1146         (s390_arch_string): Make static.
1147         (s390_tune_string, s390_warn_framesize_string): Delete.
1148         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1149         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1150         (s390_handle_arch_option, s390_handle_option): New functions.
1151         (override_options): Remove parsing of option strings.
1152         * config/s390/s390.opt: New file.
1153
1154 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1155
1156         * tree-complex.c (expand_vector_operations): Call
1157         update_stmt_if_modified.
1158
1159 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1160
1161         * tree-vect-analyze (vect_determine_vectorization_factor):
1162         Do not use GET_MODE_NUNITS.
1163         * tree-vect-transform.c (vect_get_vec_def_for_operand,
1164         (vectorizable_load, vect_transform_loop): Likewise.
1165
1166 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
1167
1168         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1169         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1170         * optabs.h (enum optab_index): Add new OTI_lceil.
1171         (lceil_optab): Define corresponding macro.
1172         * optabs.c (init_optabs): Initialize lceil_optab.
1173         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1174         and lceildi2 patterns.
1175         * builtins.c (expand_builtin_int_roundingfn): Handle
1176         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1177         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1178         BUILT_IN_LLCEIL{,F,L}.
1179         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1180         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1181         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1182         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1183         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1184         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1185         into lceil built-in function and (long long int)ceil{,f,l} into
1186         llceil built-in function.
1187         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1188         BUILT_IN_LLCEIL.
1189
1190 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1191
1192         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1193         zero.
1194
1195 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
1196
1197         * config/arm/arm.c: Fix a comment typo.
1198         * doc/tree-ssa.texi: Fix a typo.
1199
1200 2005-04-10  Steven Bosscher  <stevenb@suse.de>
1201
1202         * cselib.c (clear_table): Rename to cselib_clear_table.
1203         * cselib.h (cselib_clear_table): Add prototype.
1204         * gcse.c (gcse_main): Make 'f' argument unused.
1205         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1206         of each basic block instead.
1207         (compute_sets, compute_hash_table_work): Likewise.
1208         (constprop_register): Change int 'alter_jumps' argument to bool.
1209         (do_local_cprop): Likewise.
1210         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
1211         the insn chain.  Explicitly clear the cselib tables after finishing
1212         one basic block.  Make sure there are no unterminated libcall blocks.
1213         Update compute_sets call.
1214         (cprop): Walk basic blocks instead of the insn chain.
1215         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1216         Likewise.
1217         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1218         one_cprop_pass calls.
1219
1220 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1221
1222         * combine.c (combine_simplify_rtx): Remove a transformation that
1223         relies on an invalid assumption about rtl sign-extension semantics.
1224
1225 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1226
1227         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1228         to build_int_cst_wide.
1229
1230 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
1231
1232         PR target/20126
1233         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1234         set the original address pseudo to the correct value before the
1235         original insn, if possible, and leave the insn alone, otherwise
1236         create a new pseudo, set it and replace it in the insn.
1237         * recog.c (validate_change_maybe_volatile): New.
1238         * recog.h (validate_change_maybe_volatile): Declare.
1239
1240 2005-04-09  Caroline Tice  <ctice@apple.com>
1241
1242         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1243         Remove targetm.have_named_sections test.
1244         (fix_edges_for_rarely_executed_code): Likewise.
1245         (insert_section_boundary_note): Likewise.
1246         (reorder_basic_blocks): Check partitioning flag before calling
1247         verify_hot_cold_block_grouping.
1248         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1249         the function struct rather than global variables.
1250         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1251         (COLD_END_LABEL): Likewise
1252         (cold_text_section_label): New static global variable.
1253         (cold_end_label): Likewise.
1254         (dwarf2out_switch_text_section): Get hot/cold section labels from
1255         the function struct rather than global variables.
1256         (output_aranges): Use cold_text_section_label and cold_end_label;
1257         check partitioning flag before putting out delta.
1258         (output_ranges): Remove incorrect code attempting to use
1259         hot/cold labels.
1260         (output_line_info): Get cold section label from function struct.
1261         (add_location_or_const_value_attribute): Likewise.
1262         (get_subprogram_die): Get hot/cold section labels from function struct.
1263         (dwarf2out_var_location): Likewise.
1264         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1265         write out cold_text_section_label if partition flag is set.
1266         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1267         * function.h (struct function): Add new fields to point to hot/cold
1268         section labels: hot_section_label, cold_section_label,
1269         hot_section_end_label and cold_section_end_label; also add new field
1270         for cold text section name, unlikely_text_section_name.
1271         * opts.c (decode_options): Turn off partitioning flag if
1272         !targetm.have_named_sections.
1273         * output.h (hot_section_label): Remove.
1274         (hot_section_end_label): Remove.
1275         (cold_section_end_label): Remove.
1276         (unlikely_section_label): Remove.
1277         (unlikely_text_section_name): Remove.
1278         * passes.c (rest_of_handle_final):  Remove code that frees
1279         unlikely_text_section_name.
1280         * varasm.c (unlikely_section_label): Remove.
1281         (hot_section_label): Remove.
1282         (hot_section_end_label): Remove.
1283         (cold_section_end_label): Remove.
1284         (unlikely_text_section_name):  Remove.
1285         (initialize_cold_section_name): Modify to call
1286         targetm.strip_name_encoding; to store cold section name in current
1287         function struct, if it exists; and to only use the decl_section_name
1288         if flag_named_sections is true.
1289         (unlikely_text_section): Modify to get section name out of current
1290         function struct, if there is one; otherwise build it from
1291         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1292         (in_unlikely_text_section): Likewise.
1293         (named_section): Modify to get/put cold section name in current function
1294         struct, if there is one.
1295         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1296         targetm.have_named_sections before calling named_section.
1297         (current_function_section): Likewise.
1298         (assemble_start_function): Modify to get/put unlikely_text_section_name
1299         in current function struct; modify to get hot/cold section labels
1300         from function struct; initialize labels using
1301         ASM_GENERATE_INTERNAL_LABEL;
1302         test partitioning flag before writing out hot section label.
1303         (assemble_end_function): Test partitioning flag before writing out
1304         hot/cold section labels.
1305         (default_section_type_flags_1):  Modify to use array instead of
1306          char* for unlikely_text_section_name; set flags correctly for
1307          cold text section if there is not a current function decl.
1308
1309 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1310
1311         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1312         and TI_VA_LIST_FPR_COUNTER_FIELD.
1313         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1314         * tree-pass.h (pass_stdarg): Add.
1315         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1316         * tree-stdarg.c: New file.
1317         * tree-stdarg.h: New file.
1318         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1319         (tree-stdarg.o): Add dependencies.
1320         * function.h (struct function): Add va_list_gpr_size and
1321         va_list_fpr_size fields.
1322         * function.c (allocate_struct_function): Initialize them.
1323         * target.h (struct gcc_target): Add stdarg_optimize_hook.
1324         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1325         (TARGET_INITIALIZER): Add it.
1326
1327         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1328         va_list_{g,f}pr_counter_field.
1329         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1330         area will not be used.  Only save registers that tree-stdarg.c
1331         detected they need saving.
1332         (ix86_va_start): Don't set up fields that won't be used.
1333
1334         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1335         va_list_{g,f}pr_counter_field.
1336         (setup_incoming_varargs): Don't do anything if reg_save
1337         area will not be used.  Only save registers that tree-stdarg.c
1338         detected they need saving.
1339         (rs6000_va_start): Don't set up fields that won't be used.
1340
1341         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
1342         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
1343         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
1344         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1345
1346 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1347
1348         PR target/20795
1349         * config/i386/i386.c (construct_container): Pass empty aligned
1350         struct, union or class in memory.
1351
1352 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
1353
1354         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
1355         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
1356         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
1357         config/rs6000/predicates.md: Fix comment typos.
1358
1359         * sched-int.h (haifa_insn_data): Remove blockage and units.
1360         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
1361         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
1362         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
1363
1364 2005-04-09  Jan Hubicka  <jh@suse.cz>
1365             Steven Bosscher  <stevenb@suse.de>
1366
1367         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
1368         * cfgloop.c (get_loop_exit_edges): Likewise.
1369         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
1370         (unloop): Likewise.
1371         * loop-unroll.c (analyze_insns_in_loop): Likewise.
1372         * tree-cfg.c (dump_cfg_status): Likewise.
1373
1374 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
1375
1376         * config/rs6000/predicates.md (altivec_register_operand): Remove
1377         redundant match_code test.
1378         (gpc_reg_operand): Same.
1379         (cc_reg_operand): Same.
1380         (cc_reg_not_cr0_operand): Same.
1381
1382 2005-04-09  Jan Hubicka  <jh@suse.cz>
1383
1384         Forgotten hunk from my last merge patch:
1385         * final.c (output_addr_const): Do not call mark_referenced.
1386
1387 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
1388
1389         * doc/tree-ssa.texi: Add immediate use documentation.
1390
1391 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
1392
1393         * arm.c (FL_WBUF): Define.
1394         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
1395         (arm_is_6_or_7): Delete.
1396         (arm_tune_wbuf): New.
1397         (arm_override_options): Set arm_tune_wbuf.
1398         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
1399         (arm_is_6_or_7): Delete declaration.
1400         (arm_tune_wbuf): New declartion.
1401         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
1402         (model_wbuf): Derive from arm_tune_wbuf.
1403         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
1404         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
1405         (arm740t): Mark CPUs as having a write buffer.
1406
1407 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1408
1409         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
1410         of 'const_double_operand' in operand 2 constraints.  Update enable
1411         condition.
1412
1413 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1414
1415         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
1416         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
1417         * optabs.h (enum optab_index): Add new OTI_lfloor.
1418         (lfloor_optab): Define corresponding macro.
1419         * optabs.c (init_optabs): Initialize lfloor_optab.
1420         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
1421         and lfloordi2 patterns.
1422         * builtins.c (expand_builtin_int_roundingfn): New prototype.
1423         (expand_builtin_int_roundingfn): New function.
1424         (fold_builtin_int_roundingfn): New prototype.
1425         (fold_builtin_int_roundingfn): New function, renamed from
1426         fold_builtin_lround.
1427         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
1428         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
1429         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
1430         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
1431         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
1432         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
1433         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
1434         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
1435         into lfloor built-in function and (long long int)floor{,f,l} into
1436         llfloor built-in function.
1437         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
1438         BUILT_IN_LLFLOOR.
1439
1440 2005-04-08  Ian Lance Taylor  <ian@airs.com>
1441
1442         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
1443         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
1444         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
1445         (DO_COND, DO_BODY): Likewise.
1446         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
1447         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
1448         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
1449         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
1450         (build_continue_stmt, build_break_stmt): Don't declare.
1451         (c_do_switch_warnings): Update declaration.
1452         * c-gimplify.c (enum bc_t): Remove.
1453         (struct c_gimplify_ctx, ctxp): Remove.
1454         (push_context, pop_context): Remove static functions.
1455         (c_genericize): Don't call push_context or pop_context.
1456         (begin_bc_block, finish_bc_block): Remove static functions.
1457         (build_bc_goto): Likewise.
1458         (gimplify_c_loop): Likewise.
1459         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
1460         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
1461         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
1462         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
1463         * c-common.c (c_do_switch_warnings): Rename from
1464         c_do_switch_warnings_1.
1465         (c_do_switch_warnings) [old version]: Remove.
1466         (c_do_switch_expr_warnings): Remove.
1467         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
1468         function instead of c_do_switch_expr_warnings.
1469         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
1470         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
1471         * c-pretty-print.c (pp_c_statement): Likewise.
1472         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
1473
1474 2005-04-08  Devang Patel  <dpatel@apple.com>
1475
1476         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
1477         While selecting replacement condition pay attention to loop header.
1478
1479 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
1480
1481         Merge from tree-cleanup-branch: VRP, store CCP, store
1482             copy-prop, incremental SSA updating of FUD chains and
1483             newly exposed symbols.
1484
1485         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
1486         (OBJS-common): Add tree-vrp.o.
1487         (tree-vrp.o): New rule.
1488         * basic-block.h (nearest_common_dominator_for_set): Declare.
1489         * common.opt (ftree-store-ccp): New flag.
1490         (ftree-copy-prop): New flag.
1491         (ftree-vrp): New flag.
1492         (ftree-store-copy-prop): New flag.
1493         * dominance.c (nearest_common_dominator_for_set): New.
1494         * domwalk.c (walk_dominator_tree): Only traverse
1495         statements in blocks marked in walk_data->interesting_blocks.
1496         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
1497         * fold-const.c (fold): Handle ASSERT_EXPR.
1498         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
1499         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
1500         flag_tree_vrp at -O2.
1501         * timevar.def (TV_TREE_VRP): Define.
1502         (TV_TREE_COPY_PROP): Define.
1503         (TV_TREE_STORE_COPY_PROP): Define.
1504         (TV_TREE_SSA_INCREMENTAL): Define.
1505         (TV_TREE_STORE_CCP): Define.
1506         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
1507         to kill_redundant_phi_nodes from comment.
1508         (verify_expr): Handle ASSERT_EXPR.
1509         * tree-dfa.c (mark_new_vars_to_rename): Remove second
1510         argument.  Update all users.
1511         (mark_call_clobbered_vars_to_rename): Remove.  Update all
1512         users.
1513         * tree-flow-inline.h (unmodifiable_var_p): New.
1514         * tree-flow.h (enum value_range_type): Declare.
1515         (struct value_range_def): Declare.
1516         (value_range): Declare.
1517         (remove_all_phi_nodes_for): Remove.  Update all users.
1518         (find_phi_node_for): Declare.
1519         (add_type_alias): Declare.
1520         (count_uses_and_derefs): Declare.
1521         (kill_redundant_phi_nodes): Remove.
1522         (rewrite_into_ssa): Remove.
1523         (rewrite_def_def_chains): Remove.
1524         (update_ssa, register_new_name_mapping, create_new_def_for,
1525         need_ssa_update_p, name_registered_for_update_p,
1526         release_ssa_name_after_update_ssa, dump_repl_tbl,
1527         debug_repl_tbl, dump_names_replaced_by,
1528         debug_names_replaced_by, mark_sym_for_renaming,
1529         mark_set_for_renaming, get_current_def, set_current_def,
1530         get_value_range, dump_value_range, debug_value_range,
1531         dump_all_value_ranges, debug_all_value_ranges,
1532         expr_computes_nonzero, loop_depth_of_name,
1533         unmodifiable_var_p): Declare.
1534         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1535         ASSERT_EXPR.
1536         * tree-into-ssa.c (block_defs_stack): Update comment.
1537         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1538         syms_to_rename, names_to_release, repl_tbl,
1539         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1540         need_to_replace_names_p): New locals.
1541         (NAME_SETS_GROWTH_FACTOR): Define.
1542         (struct repl_map_d): Declare.
1543         (struct mark_def_sites_global_data): Add field
1544         interesting_blocks.
1545         (enum rewrite_mode): Declare.
1546         (REGISTER_DEFS_IN_THIS_STMT): Define.
1547         (compute_global_livein): Use last_basic_block instead of
1548         n_basic_blocks.
1549         (set_def_block): Remove last argument.  Update all callers.
1550         (prepare_use_operand_for_rename): Remove.  Update all callers.
1551         (prepare_def_operand_for_rename): Remove.  Update all callers.
1552         (symbol_marked_for_renaming): New.
1553         (is_old_name): New.
1554         (is_new_name): New.
1555         (repl_map_hash): New.
1556         (repl_map_eq): New.
1557         (repl_map_free): New.
1558         (names_replaced_by): New.
1559         (add_to_repl_tbl): New.
1560         (add_new_name_mapping): New.
1561         (mark_def_sites): Assume that all the operands in the
1562         statement are in normal form.
1563         (find_idf): Assert that the block in the stack is valid.
1564         (get_default_def_for): New.
1565         (insert_phi_nodes_for): Add new argument 'update_p'.
1566         Add documentation.
1567         If update_p is true, add a new mapping between the LHS of
1568         each new PHI and the name that it replaces.
1569         (insert_phi_nodes_1): Only call find_idf if needed.
1570         (get_reaching_def): Call get_default_def_for.
1571         (rewrite_operand): Remove.
1572         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1573         and REWRITE_THIS_STMT are false.
1574         Assume that all the operands in the statement are in
1575         normal form.
1576         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1577         (rewrite_virtual_phi_arguments): Remove.
1578         (invalidate_name_tags): Remove.
1579         (register_new_update_single, register_new_update_set,
1580         rewrite_update_init_block, replace_use,
1581         rewrite_update_fini_block, rewrite_update_stmt,
1582         rewrite_update_phi_arguments): New.
1583         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1584         Add arguments 'entry', 'what' and 'blocks'.
1585         Initialize the dominator walker according to 'what' and
1586         'blocks'.
1587         Start the dominator walk at 'entry'.
1588         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1589         Use it to configure the dominator walker.
1590         (rewrite_into_ssa): Remove argument 'all'.
1591         Make internal.
1592         (rewrite_all_into_ssa): Remove.
1593         (rewrite_def_def_chains): Remove.
1594         (mark_def_interesting, mark_use_interesting,
1595         prepare_phi_args_for_update, prepare_block_for_update,
1596         prepare_def_site_for, prepare_def_sites,
1597         dump_names_replaced_by, debug_names_replaced_by,
1598         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1599         delete_update_ssa, create_new_def_for,
1600         register_new_name_mapping, mark_sym_for_renaming,
1601         mark_set_for_renaming, need_ssa_update_p,
1602         name_registered_for_update_p, ssa_names_to_replace,
1603         release_ssa_name_after_update_ssa,
1604         insert_updated_phi_nodes_for, update_ssa): New.
1605         * tree-loop-linear.c (linear_transform_loops): Call
1606         update_ssa instead of rewrite_into_ssa.
1607         * tree-optimize.c (vars_to_rename): Remove.
1608         Update all users.
1609         (init_tree_optimization_passes): Replace
1610         pass_redundant_phi with pass_copy_prop.
1611         Add pass_vrp.
1612         Replace pass_ccp with pass_store_ccp.
1613         Add pass_store_copy_prop after pass_store_ccp.
1614         (execute_todo): If the TODO_ flags don't include updating
1615         the SSA form, assert that it does not need to be updated.
1616         Call update_ssa instead of rewrite_into_ssa and
1617         rewrite_def_def_chains.
1618         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1619         (tree_rest_of_compilation):
1620         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1621         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1622         TODO_cleanup_cfg): Renumber.
1623         (TODO_verify_loops, TODO_update_ssa,
1624         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1625         TODO_update_ssa_only_virtuals): Define.
1626         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1627         Declare.
1628         * tree-phinodes.c (make_phi_node): Update documentation.
1629         (remove_all_phi_nodes_for): Remove.
1630         (find_phi_node_for): New.
1631         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1632         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1633         (interpret_rhs_modify_expr): Likewise.
1634         * tree-sra.c (decide_instantiations): Mark all symbols in
1635         SRA_CANDIDATES for renaming.
1636         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1637         (mark_all_v_defs): New function.  Update all users to call it
1638         with the whole list of scalarized statements, not just the
1639         first one.
1640         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1641         (compute_flow_insensitive_aliasing): If the tag is
1642         unmodifiable and the variable isn't or vice-versa, don't
1643         make them alias of each other.
1644         (setup_pointers_and_addressables): If the type tag for
1645         VAR is about to change, mark the old one for renaming.
1646         (add_type_alias): New.
1647         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1648         (ccp_lattice_t): Rename from latticevalue.
1649         (value): Remove.  Update all users.
1650         (const_val): New local variable.
1651         (do_store_ccp): New local variable.
1652         (dump_lattice_value): Handle UNINITIALIZED.
1653         (debug_lattice_value): New.
1654         (get_default_value): Re-write.
1655         (set_lattice_value): Re-write.
1656         (def_to_varying): Remove.  Update all users.
1657         (likely_value): Return VARYING for statements that make
1658         stores when STORE_CCP is false.
1659         Return VARYING for any statement other than MODIFY_EXPR,
1660         COND_EXPR and SWITCH_EXPR.
1661         (ccp_initialize): Re-write.
1662         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1663         Move to tree-ssa-propagate.c.
1664         (ccp_lattice_meet): Handle memory stores when
1665         DO_STORE_CCP is true.
1666         (ccp_visit_phi_node): Likewise.
1667         (ccp_fold): Likewise.
1668         (evaluate_stmt): Likewise.
1669         (visit_assignment): Likewise.
1670         (ccp_visit_stmt): Likewise.
1671         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1672         into DO_STORE_CCP.
1673         (do_ssa_ccp): New.
1674         (pass_ccp): Use it.
1675         (do_ssa_store_ccp): New.
1676         (gate_store_ccp): New.
1677         (pass_store_ccp): Declare.
1678         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1679         (may_propagate_copy): Reformat.
1680         Don't abort if ORIG is a virtual and DEST isn't.
1681         If NEW does not have alias information but DEST does,
1682         copy it.
1683         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1684         copy_prop_kind, which_copy_prop): Declare.
1685         (stmt_may_generate_copy, get_copy_of_val,
1686         get_last_copy_of, set_copy_of_val, dump_copy_of,
1687         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1688         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1689         init_copy_prop, fini_copy_prop, execute_copy_prop,
1690         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1691         store_copy_prop): New.
1692         (pass_copy_prop, pass_store_copy_prop): Declare.
1693         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1694         'num_const_prop' and 'num_copy_prop'.
1695         (cprop_operand): Update them.
1696         (dump_dominator_optimization_stats): Dump them.
1697         (tree_ssa_dominator_optimize): Call update_ssa instead of
1698         rewrite_into_ssa.
1699         (loop_depth_of_name): Declare extern.
1700         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1701         values for LOW or HIGH.
1702         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1703         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1704         (cprop_operand): Only propagate if VAL != OP.
1705         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1706         statement for renaming.
1707         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1708         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1709         add_type_alias if necessary.
1710         Call mark_new_vars_to_rename.
1711         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1712         mark every statement updated, call update_ssa and
1713         rewrite_into_loop_closed_ssa.
1714         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1715         from LIVEIN if VAR is a virtual.
1716         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1717         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1718         (get_call_expr_operands): Reformat statement.
1719         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1720         symbols.
1721         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1722         SSA_NAME_VALUE for every name.
1723         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1724         get_value_loaded_by): New.
1725         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1726         substitute_and_fold): Move from tree-ssa-ccp.c.
1727         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1728         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1729         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1730         Declare.
1731         * tree-ssa.c (verify_use): Fix error message.
1732         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1733         check_phi_redundancy, kill_redundant_phi_nodes,
1734         pass_redundant_phi): Remove.  Update all users.
1735         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1736         add_type_alias, if necessary.
1737         * tree-vectorizer.h (struct _stmt_vect_info): Update
1738         documentation for field 'memtag'.
1739         * tree-vrp.c: New file.
1740         * tree.def (ASSERT_EXPR): Define.
1741         * tree.h (ASSERT_EXPR_VAR): Define.
1742         (ASSERT_EXPR_COND): Define.
1743         (SSA_NAME_VALUE_RANGE): Define.
1744         (struct tree_ssa_name): Add field 'value_range'.
1745         (PHI_REWRITTEN): Remove.
1746         (struct tree_phi_node): Remove field 'rewritten'.
1747         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1748         -ftree-store-copy-prop): Document.
1749         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1750         Document usage of update_ssa.
1751
1752 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1753
1754         PR target/20814
1755         * config/rs6000/predicates.md (altivec_register_operand): Accept
1756         SUBREG.
1757         (and64_operand): Do not limit CONST_INT to mask64_operand.
1758         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1759         (and_operand): Do not limit CONST_INT to mask_operand.
1760
1761 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1762
1763         PR rtl-optimization/20466
1764         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1765         for overlap of the address of each list member.
1766         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1767
1768 2005-04-08  Mike Stump  <mrs@apple.com>
1769
1770         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1771
1772         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1773         instead of 4.
1774
1775 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1776
1777         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1778
1779         * function.c (push_function_context_to): Don't set
1780         contains_functions.
1781         * function.h (function): Remove contains_functions.
1782         (current_function_contains_functions): Remove.
1783
1784         * function.h (function): Remove instrument_entry_exit.
1785         (current_function_instrument_entry_exit): Remove.
1786
1787         * function.h (nonlocal_labels): Remove.
1788
1789         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1790
1791         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1792         (check_attr_value, write_attr_get, write_expr_attr_cache,
1793         find_attr, make_internal_attr): Don't reference negative_ok or
1794         unsigned_p.
1795         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1796         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1797         (ATTR_STATIC): Adjust the value.
1798
1799         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1800
1801 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1802
1803         * config/s390/tpf.h (ASM_SPEC): Define.
1804
1805 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1806
1807         * tree-flow.h: Remove the prototype for
1808         redirect_immediate_uses.
1809         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1810
1811 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1812
1813         * arm.c (arm_const_double_by_parts): New function.
1814         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1815         * arm.md (define_split for 64-bit constants): Add another one.
1816
1817 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1818
1819         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1820
1821 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1822
1823         * system.h: Revert last change.
1824
1825 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1826
1827         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1828         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1829         (TARGET_SWITCHES): Delete.
1830         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1831         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1832         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1833         * config/xtensa/xtensa.opt: New file.
1834
1835 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1836
1837         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1838         * config/fp-bit.h: Tidy comments.
1839
1840 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1841
1842         * system.h: Poison PARAMS.
1843
1844 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1845
1846         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1847         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1848         (TARGET_SWITCHES): Delete.
1849         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1850         * config/vax/vax.opt: New file.
1851
1852 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1853
1854         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1855
1856 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1857
1858         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1859         define.
1860         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1861         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1862         Likewise.
1863
1864 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1865
1866         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1867         all immediate uses in PHI nodes.
1868
1869 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1870
1871         * arm.c (arm_const_double_inline_cost): Handle any constant by
1872         using gen_lowpart and gen_highpart_mode.
1873         (note_invalid_constants): All constants in an RTX with a constraint
1874         that permits memory are now pushed to the constant pool.
1875         (output_move_double): Delete code to handle reg to reg and
1876         constant to reg moves.
1877         (const_double_needs_minipool, output_mov_immediate): Delete.
1878         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1879         CONST_INT and CONST_VECTOR.
1880         * arm.md (ANY64): New mode macro.
1881         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1882         (movdf_soft_insn): Split reg-reg and const-reg moves.
1883         (split patterns for 64-bit constant and register moves): New.
1884         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1885         (cirrus_movdf_hard_insn): Likewise.
1886         * fpa.md (movdf_fpa): Likewise.
1887         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1888         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1889         constraints.
1890         (movv2si_internal_2): Likewise.
1891         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1892         (movdf_vfp): Likewise.
1893         * arm-protos.h (output_mov_immediate): Delete prototype.
1894
1895 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1896
1897         PR target/20093
1898         * simplify-rtx.c (simplify_unary_operation_1): Check
1899         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1900
1901 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1902
1903         PR target/20717
1904         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1905         ADDR_EXPR.
1906
1907 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1908
1909         * coverage.h (GCOV_TYPE_NODE): Delete.
1910         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1911         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1912         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1913         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1914         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1915
1916 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1917
1918         PR other/20792
1919         * Makefile.in (gcc.pot): Remove options.c dependency.
1920         * optc-gen.awk: Don't quote help strings with N_().
1921
1922 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1923
1924         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1925         the function returns a pointer type.
1926
1927 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1928
1929         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1930         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1931         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1932         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1933         explicit_uses members.
1934         (get_or_create_used_part_for): Initialize new fields.
1935         (fieldoff_compare): New function.
1936         (create_overlap_variables_for): Count number of fields, use
1937         heuristic to determine whether to create subvars for vars with
1938         only implicit uses.
1939         Sort the field list by offset and avoid creating duplicate SFT's.
1940
1941 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1942
1943         * c.opt (-F): Remove trailing whitespace from help string.
1944         (-finput-charset): Use a tab to separate the switch name and help
1945         string.
1946         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1947         (-ftree-vectorizer-verbose): Likewise.
1948
1949 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1950
1951         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1952         a PHI argument where a use occurs instead of all PHI arguments.
1953
1954 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1955
1956         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1957         scope.
1958
1959 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1960
1961         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1962         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1963         config/bfin/bfin.h: Fix comment typos.
1964
1965 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1966
1967         * doc/install.texi: Update the URL for Jacks.
1968         * doc/sourcebuild.texi: Likewise.
1969
1970 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1971
1972         PR target/17245
1973         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1974         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1975
1976 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1977
1978         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1979
1980 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1981
1982         * config/v850/v850-protos.h (override_options): Delete.
1983         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1984         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1985         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1986         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1987         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1988         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1989         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1990         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1991         (OVERRIDE_OPTIONS): Delete.
1992         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1993         (small_memory_info): Remove the value field.
1994         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1995         TARGET_NO_APP_REGS.
1996         * config/v850/v850.c (small_memory): Remove the value field.
1997         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1998         (override_options): Delete.
1999         (v850_handle_memory_option, v850_handle_option): New functions.
2000         * config/v850/v850.opt: New file.
2001
2002 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
2003
2004         * config.host: Add a section for generic hosts, and a subsection
2005         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
2006         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
2007         * config/host-darwin.h: New.
2008         * config/x-darwin: New.
2009         * config/i386/host-i386-darwin.c: New.
2010         * config/i386/x-darwin: New.
2011         * config/rs6000/host-darwin.c: Include host-darwin.h.
2012         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
2013         (darwin_rs6000_gt_pch_use_address): Likewise.
2014         * config/rs6000/x-darwin: Change name of .o built, update
2015         dependencies for changes to rs6000/host-darwin.c.
2016
2017 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2018
2019         PR target/17824
2020         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
2021
2022 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
2023
2024         * tree-vect-analyze.c (vect_analyze_loop_form): Call
2025         split_loop_exit_edge instead of loop_split_edge_with.
2026
2027 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
2028
2029         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
2030         UNSPEC_SET_VSCR): New constants, used throughout.
2031         (*andc3_v4sf): New.
2032         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
2033         Replace with...
2034         (altivec_vspltis<VI_char>): ... this pattern, using
2035         a QImode const_int_operand for the immediate.
2036         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
2037         define_expands.
2038
2039 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2040
2041         PR target/17822
2042         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
2043
2044 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2045
2046         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
2047
2048 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2049
2050         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
2051         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
2052         macros as living in "this file" and not gcc.h.
2053
2054 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2055
2056         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
2057         -ftree-live_range_split.  Perhaps renamed at some point?
2058
2059 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2060
2061         PR target/20625
2062         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
2063         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
2064
2065 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2066
2067         * tree-flow.h (number_of_iterations_cond): Declaration removed.
2068         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
2069         (number_of_iterations_special): New function.
2070         (number_of_iterations_exit): Use number_of_iterations_special.
2071         Use simplify_using_outer_evolutions only at -O3.
2072         (number_of_iterations_cond, tree_simplify_using_condition,
2073         simplify_using_initial_conditions, loop_niter_by_eval,
2074         compare_trees, can_count_iv_in_wider_type_bound,
2075         simplify_using_outer_evolutions): Use fold_build.
2076
2077 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
2078
2079         * doc/install.texi (Configuration): Document --with-java-home.
2080
2081 2005-04-05  Richard Henderson  <rth@redhat.com>
2082
2083         PR target/20342
2084         PR target/20447
2085         * config/i386/i386.c (print_operand): Handle vector zeros.
2086         (ix86_split_to_parts): Handle CONST_VECTOR.
2087         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
2088         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
2089         what modes to tie for MMX and SSE registers.
2090         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
2091         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
2092         to vector modes as well.
2093         * config/i386/predicates.md (const0_operand): Handle VOIDmode
2094         properly as an input mode.
2095
2096 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2097
2098         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
2099
2100 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2101
2102         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
2103
2104 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2105
2106         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
2107         and local functions, set sse_nregs to 8 and float_in_sse.
2108         (function_arg_advance, function_arg): If float_in_sse, pass
2109         SFmode and DFmode arguments in SSE registers.
2110         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
2111
2112         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
2113         of -funit-at-a-time.
2114
2115 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2116
2117         * config/i386/i386-protos.h (ix86_function_value): Accept two
2118         arguments, like the target macro.
2119         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
2120         * config/i386/i386.c (ix86_function_value): Accept the second
2121         argument of the target macro.
2122         (ix86_function_ok_for_sibcall): Pass a function pointer to
2123         ix86_function_value.
2124         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
2125         call to ix86_value_regno).
2126         (ix86_value_regno): Add support for returning floating point values
2127         in SSE registers.
2128
2129 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2130
2131         PR tree-optimization/20076
2132         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
2133         that call __builtin_return or __builtin_apply_args.
2134
2135 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2136
2137         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2138         Use immediate use iterator.
2139         (stmt_is_bumper_for_loop): Use immediate use iterator.
2140         * predict.c (strip_builtin_expect): Use update_stmt.
2141         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
2142         on all elements of a STATEMENT_LIST.
2143         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
2144         (bsi_remove): Remove imm_use links and mark the stmt as modified.
2145         (bsi_replace): Mark stmt as modified and the update it.
2146         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2147         (expand_complex_libcal): Call update_stmt.
2148         (expand_complex_comparison): Call mark_stmt_modified.
2149         (expand_complex_operations_1): Call update_stmt_if_modified.
2150         (expand_vector_operations_1): Call mark_stmt_modified.
2151         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2152         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2153         add_immediate_use, redirect_immediate_use,
2154         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2155         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2156         (mark_new_vars_to_rename): Call update_stmt.
2157         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2158         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2159         Ignore PHI nodes.
2160         (unmodify_stmt): Delete.
2161         (update_stmt): New.  Force an update of a stmt.
2162         (update_stmt_if_modified): update a stmt if it is out of date.
2163         (get_stmt_operands): Verify stmt is NOT modified.
2164         (stmt_modified_p): Update comment.
2165         (delink_imm_use): Remove a use node from its immuse list.
2166         (link_imm_use_to_list): Link a use node to a specific list.
2167         (link_imm_use): Link a node to the correct list.
2168         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2169         it in the correct list, if appropriate.
2170         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2171         (relink_imm_use): Link a use node in place of another node in a list.
2172         (relink_imm_use_stmt): LInk a node in place of another node, and set
2173         the stmt pointer.
2174         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
2175         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
2176         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
2177         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
2178         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
2179         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
2180         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
2181         (has_zero_uses): New.  Return true if there are no uses of a var.
2182         (has_single_use): New.  Return true if there is only a single use of a
2183         variable.
2184         (single_imm_use): New.  Return the simgle immediate use.
2185         (num_imm_uses): New.  Return the number of immediate uses.
2186         (get_v_must_def_ops): Use is now a pointer.
2187         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2188         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2189         the use node.
2190         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2191         (delink_stmt_imm_use): Delink all immuses from a stmt.
2192         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
2193         * tree-flow.h (struct dataflow_d): Delete.
2194         (immediate_use_iterator_d): New.  Immediate use iterator struct.
2195         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
2196         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
2197         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
2198         iteration.
2199         (struct stmt_ann_d): Remove dataflow_t from struct.
2200         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
2201         (if_convertible_phi_p): Use FAST immuse iterator.
2202         (if_convertible_loop_p): Don't call compute_immediate_uses.
2203         (replace_phi_with_cond_modify_expr): Call update_stmt.
2204         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2205         update_stmt_if_modified.
2206         (rewrite_all_into_ssa): Initialize ssa operands.
2207         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2208         compute_immediate_uses.
2209         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2210         ssa_property is available.
2211         (execute_one_pass):  Change parameters passed to execute_todo.
2212         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2213         (remove_ssa_form): Call fini_ssa_operands.
2214         (insert_backedge_copies): Delete call to modify_stmt.
2215         * tree-phinodes.c (make_phi_node): Initialize use nodes.
2216         (release_phi_node): Delink any use nodes before releasing.
2217         (resize_phi_node): Relink any use nodes.
2218         (remove_phi_arg_num): Delink the use node.
2219         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2220         (remove_all_phi_nodes_for): Release phi node first.
2221         * tree-pretty-print.c (dump_generic_node): Print stmt address.
2222         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2223         (scalarize_use, scalarize_copy): Call update_stmt.
2224         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2225         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2226         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2227         (ccp_initialize): Remove call to compute_immediate_uses.
2228         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2229         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2230         stmts.
2231         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2232         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2233         (eliminate_redundant_computations): Call mark_stmt_modified.
2234         (cprop_operand): Call mark_stmt_modified.
2235         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2236         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2237         (dse_optimize_stmt): Use new immuse interface.
2238         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2239         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2240         (substitute_single_use_vars): Use new immuse interface.
2241         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
2242         and compute_immediate_uses.
2243         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
2244         interface.
2245         (rewrite_mem_refs): Call update_stmt.
2246         (determine_lsm): Remove call to compute_imm_uses and free_df.
2247         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
2248         (try_unroll_loop_completely): Call update_stmt.
2249         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
2250         (rewrite_use_compare): Call update_stmt.
2251         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
2252         (rewrite_use) : Call update_stmt.
2253         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
2254         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
2255         update_stmt.
2256         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
2257         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
2258         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
2259         use nodes.
2260         (initialize_vuse_operand): New.  Initialize a vuse operand.
2261         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
2262         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
2263         (finalize_ssa_defs): Use stmt parameter.
2264         (correct_use_link): Ensure a use node is in the correct list, and has
2265         the correct stmt pointer.
2266         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
2267         finalize_ssa_v_must_defs): Also initialize use nodes.
2268         (finalize_ssa_stmt_operands): Pass extra stmt operands.
2269         (build_ssa_operands): Seperate parsing from final operand construction.
2270         (parse_ssa_operands): New.  Parse entry point for operand building.
2271         (swap_tree_operands): New.  Swap 2 tree operands.
2272         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
2273         operands.
2274         (get_expr_operands): Call swap_tree_operands when needed.
2275         (copy_virtual_operands): Use initialize routines for virtual use ops.
2276         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
2277         (verify_abort): New.  Issue imm_use error.
2278         (verify_imm_links): New Verify imm_use links for a var.
2279         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
2280         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
2281         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
2282         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
2283         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
2284         (NULL_USE_OPERAND_P) Define.
2285         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
2286         use node.
2287         (struct vuse_operand_type): New struct.
2288         (SET_USE): Call set_ssa_use_from_ptr.
2289         (USE_STMT): Define.
2290         (PHI_ARG_INDEX_FROM_USE): Define.
2291         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
2292         argument via SET_USE, not PHI_ARG_DEF_TREE.
2293         * tree-ssa-pre.c (eliminate): Call update_stmt.
2294         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
2295         call free_df.
2296         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
2297         (nearest_common_dominator_of_uses): Use imm_use iterator.
2298         (statement_sink_location): Use imm_use iterator and interface.
2299         (execute_sink_code): Don't call compute_immediate_uses or free-df.
2300         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
2301         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
2302         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
2303         (verify_ssa): Ensure no stmt is marked modify after optimization pass
2304         if new parameter is true.
2305         (init_tree_ssa): Don't initialize operand cache here.
2306         (delete_tree_ssa): Don't destroy operand cache here.
2307         (propagate_into_addr): Pass in a use pointer, return true if anything
2308         was changed.
2309         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
2310         (check_phi_redundancy): Use imm_use iterator.
2311         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
2312         free_df.
2313         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
2314         (release_ssa_name): Delink node and all elements in its imm_use list.
2315         * tree-tailcall.c (adjust_return_value): Call update_stmt.
2316         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
2317         * tree-vectorizer.c (need_imm_uses_for): Delete.
2318         (vectorize_loops): Dont call compute_immediate_uses or free_df.
2319         * tree.h (struct ssa_imm_use_d): Define.
2320         (SSA_NAME_IMM_USE_NODE): Define.
2321         (struct tree_ssa_name): Add imm_use node.
2322         (PHI_DF): Delete.
2323         (PHI_ARG_IMM_USE_NODE): Define.
2324         (struct phi_arg_d): Add imm_use node.
2325         (struct tree_phi_node): Remove struct dataflow_d element.
2326         (TDF_STMTADDR): Define.
2327
2328 2005-04-05  Dale Johannesen  <dalej@apple.com>
2329
2330         * doc/invoke.texi (Optimization Options):  Remove
2331         duplicate -fcse-follow-jumps.  Add -fweb.
2332         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
2333         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
2334
2335 2005-04-05  Per Bothner  <per@bothner.com>
2336
2337         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
2338         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
2339         (warn_uninit): Get EXPR_LOCUS from context now instead.
2340         This fixes a USE_MAPPED_LOCATION testsuite failure.
2341
2342         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
2343
2344 2005-04-05  Per Bothner  <per@bothner.com>
2345
2346         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
2347         of the artification 'return 0' in main() to BUILTINS_LOCATION.
2348         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
2349         before warning.
2350
2351 2004-04-05  Devang Patel  <dpatel@apple.com>
2352
2353         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
2354         (lhsr<mode>3): ... new name.
2355         (altivec_vsra<VI_char>): Rename to ..
2356         (ashr<mode>3): ... new name.
2357         * config/rs6000/rs6000.c (builtin_description): Rename shift
2358         operations.
2359
2360 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
2361
2362         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
2363         gen_lowpart_for_combine.
2364         * cse.c (gen_lowpart_if_possible): Move...
2365         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
2366         gen_lowpart_SUBREG.
2367         (gen_lowpart_no_emit_general): Use it.
2368
2369 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2370
2371         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
2372         overriding.
2373
2374 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2375
2376         * system.h: Fix typo.
2377
2378 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2379
2380         * config/bfin/bfin-modes.def: New file.
2381         * config/bfin/bfin-protos.h: New file.
2382         * config/bfin/bfin.c: New file.
2383         * config/bfin/bfin.h: New file.
2384         * config/bfin/bfin.md: New file.
2385         * config/bfin/bfin.opt: New file.
2386         * config/bfin/crti.s: New file.
2387         * config/bfin/crtn.s: New file.
2388         * config/bfin/elf.h: New file.
2389         * config/bfin/lib1funcs.asm: New file.
2390         * config/bfin/predicates.md: New file.
2391         * config/bfin/t-bfin: New file.
2392         * config/bfin/t-bfin-elf: New file.
2393         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
2394         Document new attributes.
2395         (interrupt, interrupt_handler, saveall): Update documentation for
2396         these attributes.
2397         * doc/install.texi (Specific): Add entry for the Blackfin.
2398         * doc/invoke.texi (Blackfin Options): New section.
2399         * doc/md.texi (Blackfin family): New section to document constraints.
2400         * config.gcc: Add bfin*-* and bfin*-elf configurations.
2401
2402 2005-04-05  Olivier Hainque  <hainque@adacore.com>
2403
2404         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
2405         match what the system unwinder expects.
2406         * config/mips/mips.c (mips_frame_set): If we're saving the return
2407         address register and the dwarf return address column number differs
2408         from the hard register number, adjust the note reg to refer to the
2409         former.
2410
2411 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
2412
2413         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
2414         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
2415         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2416         (processor_type): New enum.
2417         (mn10300_processor): New variable.
2418         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
2419         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
2420         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2421         (PROCESSOR_DEFAULT): New macro.
2422         * config/mn10300/mn10300.c (mn10300_processor): New variable.
2423         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2424         (mn10300_handle_option, mn10300_override_options): New functions.
2425         * config/mn10300/mn10300.opt: New file.
2426
2427 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2428             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
2429
2430         PR tree-optimization/19903
2431         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
2432         that don't fit in their type after conversion.
2433
2434 2005-04-05  Uros Bizjak <uros@kss-loka.si>
2435
2436         PR target/20421
2437         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
2438         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
2439         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
2440         flag here. Implement using define_insn_and_split.
2441         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
2442         (frndintxf2_mask_pm_i387): New insn patterns.
2443         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
2444         Do not set ix86_optimize_mode_switching flag.
2445         (ceilsf2, ceildf2, ceilxf2): Same.
2446         (btruncsf2, btruncdf2, btruncxf2): Same.
2447         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
2448
2449 2005-04-05  Ian Lance Taylor  <ian@airs.com>
2450
2451         PR debug/9963
2452         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
2453         i386_pe_record_external_function.
2454         (i386_pe_record_external_function): Update declaration.
2455         * config/i386/winnt.c (struct extern_list): Add decl field.
2456         (i386_pe_record_external_function): Add decl parameter.
2457         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
2458         identifier.
2459         * config/i386/i386-protos.h (i386_pe_record_external_function):
2460         Update declaration.
2461
2462 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
2463
2464         * config/m68k/m68k-protos.h: Add a prototype for
2465         valid_dbcc_comparison_p_2.
2466         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
2467         extend_operator, const_uint32_operand, const_sint32_operand,
2468         general_src_operand, nonimmediate_src_operand,
2469         memory_src_operand, post_inc_operand, pre_dec_operand,
2470         pcrel_address): Move to predicates to predicates.md.
2471         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
2472         * config/m68k/m68k.md: Include predicates.md.
2473         * config/m68k/predicates.md: New.
2474
2475 2005-04-04  Roger Sayle  <roger@eyesopen.com>
2476
2477         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
2478
2479         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
2480
2481 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2482
2483         * c-typeck.c (struct c_switch): Rename switch_stmt field to
2484         switch_expr.
2485         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
2486         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
2487         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
2488         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
2489         * c-common.c (c_do_switch_warnings_1): New static function broken
2490         out of c_do_switch_warnings.
2491         (c_do_switch_warnings): Call c_do_switch_warnings_1.
2492         (c_do_switch_expr_warnings): New function.
2493         * c-common.h (c_do_switch_expr_warnings): Declare.
2494
2495 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2496             Daniel Jacobowitz  <dan@codesourcery.com>
2497
2498         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
2499         trapping divide.
2500         * rtlanal.c (may_trap_p): Same.
2501
2502 2005-04-04  Dale Johannesen  <dalej@apple.com>
2503
2504         * ChangeLog:  remove reference to ChangeLog.12.
2505
2506 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
2507
2508         CRIS epilogue as RTL.
2509         * config/cris/cris.md: Change all 0 in unspec 0 to
2510         CRIS_UNSPEC_PLT.
2511         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
2512         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
2513         patterns.
2514         ("return"): Change to define_expand.  Call cris_expand_return for
2515         actual expansion.
2516         ("*return_expanded"): New pattern.
2517         ("epilogue"): New define_expand.
2518         * config/cris/cris.h (PREDICATE_CODES): Add
2519         cris_load_multiple_op.
2520         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
2521         type.
2522         (enum cris_retinsn_type): New.
2523         (struct machine_function): New member return_type.
2524         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
2525         (cris_target_asm_function_epilogue): Remove, moving RTLified
2526         contents to...
2527         (cris_expand_epilogue): New function.
2528         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2529         (cris_gen_movem_load, cris_load_multiple_op)
2530         (cris_return_address_on_stack_for_return, cris_expand_return): New
2531         functions.
2532         (cris_target_asm_function_prologue)
2533         (cris_initial_frame_pointer_offset): Call
2534         cris_reg_saved_in_regsave_area instead of complicated expression.
2535         Call cris_return_address_on_stack instead of an expression.
2536         (cris_print_operand) <case 'o', case 'O'>: New cases.
2537         (cris_return_address_on_stack): Change return-type to bool.
2538         (cris_simple_epilogue): Ditto.  Return false if registers are
2539         saved.
2540         * config/cris/cris-protos.h (cris_simple_epilogue)
2541         (cris_return_address_on_stack): Adjust prototype return type.
2542         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2543         (cris_return_address_on_stack_for_return): New prototypes.
2544
2545 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2546
2547         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2548         gpr_or_int12_operand.
2549
2550         * config/frv/frv-protos.h: Add a prototype to
2551         frv_legitimate_memory_operand and frv_const_unspec_p.
2552         (frv_unspec): Move from frv.c.
2553         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2554         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2555         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2556         gpr_or_fpr_operand, gpr_or_int12_operand,
2557         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2558         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2559         int6_operand, int5_operand, uint5_operand, uint4_operand,
2560         uint1_operand, int_2word_operand, uint16_operand,
2561         upper_int16_operand, integer_register_operand,
2562         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2563         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2564         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2565         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2566         move_destination_operand, movcc_fp_destination_operand,
2567         frv_function_symbol_referenced_p, move_source_operand,
2568         condexec_dest_operand, condexec_source_operand,
2569         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2570         const_unspec_operand, gpr_or_memory_operand,
2571         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2572         icc_operand, fcc_operand, cc_operand, icr_operand,
2573         fcr_operand, cr_operand, call_operand, sibcall_operand,
2574         symbolic_operand, relational_operator,
2575         integer_relational_operator, float_relational_operator,
2576         ccr_eqne_operator, minmax_operator,
2577         condexec_si_binary_operator, condexec_si_media_operator,
2578         condexec_si_divide_operator, condexec_si_unary_operator,
2579         condexec_sf_conv_operator, condexec_sf_add_operator,
2580         condexec_memory_operand, intop_compare_operator, acc_operand,
2581         even_acc_operand, quad_acc_operand, accg_operand: Move to
2582         predicates.md.
2583         * config/frv/frv.h (PREDICATE_CODES): Remove.
2584         * config/frv/frv.md: Include predicates.md.
2585         * config/frv/predicates.md: New.
2586
2587 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2588
2589         PR target/19537
2590         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2591         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2592         (add_standard_iv_candidates_for_size): New function, extracting code
2593         from add_standard_iv_candidates and parameterizing it by type size.
2594         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2595
2596 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2597
2598         * system.h (GCOV_SIZE_TYPE): Unposion.
2599         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2600         (GCOV_TYPE_SIZE): ...this new macro.
2601         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2602         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2603         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2604         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2605         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2606         instead of unsigned_intSI_type_node.
2607         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2608         (rtl_gen_one_value_profiler_no_edge_manipulation)
2609         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2610         * value-prof.c: Include coverage.h.
2611
2612 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2613             Diego Novillo <dnovillo@redhat.com>
2614
2615         Fix PR tree-optimization/20703
2616         Fix PR tree-optimization/20725
2617
2618         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2619         (create_expression_by_pieces): Ditto.
2620         (valid_in_set): Ditto. Also handle tcc_declaration.
2621         (find_or_generate_expression): Handle comparison class.
2622         (insert_into_preds_of_block): Ditto.
2623         (insert_aux): Ditto.
2624         (create_value_expr_from): Handle comparison class, recursively
2625         handle reference nodes.
2626         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2627         (execute_pre): Fix spacing.
2628         (do_fre): Renamed to execute_fre.
2629
2630 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2631
2632         * doc/invoke.texi (SPARC options): Document that
2633         -mlittle-endian is not supported on Linux either.
2634
2635 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2636
2637         PR target/4198
2638         PR target/12027
2639         * config.gcc (Obsolete configurations): Remove
2640         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2641         (sparclite-*-coff*): Delete.
2642         (sparclite-*-elf*): Likewise.
2643         (sparc86x-*-elf*): Likewise.
2644         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2645         * config/sparc/lite.h: Delete.
2646         * config/sparc/litecoff.h: Likewise.
2647         * config/sparc/liteelf.h: Likewise.
2648         * config/sparc/sp86x-elf.h: Likewise.
2649         * config/sparc/t-sparclite: Likewise.
2650         * config/sparc/t-sp86x: Likewise.
2651
2652 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2653
2654         * config/s390/s390-protos.h: (s390_comparison,
2655         s390_alc_comparison, s390_slb_comparison, const0_operand,
2656         consttable_operand, larl_operand, s_operand,
2657         shift_count_operand, bras_sym_operand, load_multiple_operation,
2658         store_multiple_operation, s390_plus_operand): Remove prototypes.
2659         (s390_legitimate_address_without_index_p): New prototype.
2660         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2661         to s390.h.
2662         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2663         const0_operand, consttable_operand, larl_operand, s_operand,
2664         shift_count_operand, bras_sym_operand, load_multiple_operation,
2665         store_multiple_operation, s390_plus_operand): Move to
2666         predicates.md.
2667         (check_mode): Remove.
2668         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2669         s390-protos.h.
2670         (s390_legitimate_address_without_index_p): New.
2671         * config/s390/s390.h (PREDICATE_CODES): Remove.
2672         * config/s390/s390.md: Include predicates.md.
2673         * config/s390/predicates.md: New.
2674
2675 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2676
2677         PR target/20446
2678         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2679         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2680         (NEED_INDICATE_EXEC_STACK): Define to 1.
2681         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2682         (NEED_INDICATE_EXEC_STACK): Define to 1.
2683         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2684         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2685         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2686         (pic_helper_emitted_p): New global.
2687         (emit_pic_helper): New function extracted from...
2688         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2689         Do not call emit_pic_helper if delay_pic_helper is true.
2690         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2691         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2692         (sparc_file_end): New function.
2693
2694 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2695
2696         * config/mcore/mcore-protos.h: Remove the prototypes for
2697         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2698         mcore_general_movdst_operand, mcore_reload_operand,
2699         mcore_arith_J_operand, mcore_arith_K_operand,
2700         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2701         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2702         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2703         mcore_literal_K_operand, mcore_addsub_operand,
2704         mcore_compare_operand, mcore_load_multiple_operation,
2705         mcore_store_multiple_operation, mcore_call_address_operand.
2706         Add a prototype for const_ok_for_mcore.
2707         * config/mcore/mcore.c (mcore_call_address_operand,
2708         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2709         mcore_arith_reg_operand, mcore_reload_operand,
2710         mcore_arith_J_operand, mcore_arith_K_operand,
2711         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2712         mcore_arith_M_operand, mcore_arith_imm_operand,
2713         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2714         mcore_literal_K_operand, mcore_addsub_operand,
2715         mcore_compare_operand, mcore_load_multiple_operation,
2716         mcore_store_multiple_operation): Move to predicates.md.
2717         (const_ok_for_mcore): Export.
2718         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2719         * config/mcore/mcore.md: Include predicates.md.
2720         * config/mcore/predicates.md: New.
2721
2722         * config/mcore/predicates.md: Fix a comment typo.
2723
2724 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2725             Adrian Straetling  <straetling@de.ibm.com>
2726
2727         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2728         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2729         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2730         attribute.
2731         ("imul"): Removed from "type" attribute.
2732         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2733         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
2734         Changed type to imulsi.
2735         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2736
2737 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2738
2739         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2740         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2741         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2742         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2743         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2744         (TARGET_SWITCHES, mcore_stack_increment_string)
2745         (TARGET_OPTIONS): Delete.
2746         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2747         than *_BIT constants.
2748         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2749         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2750         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2751         (mcore_override_options): Delete mcore_stack_increment code.
2752         Change use of M340_BIT to MASK_M340.
2753         * config/mcore/mcore.opt: New file.
2754
2755 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2756
2757         * config/arm/arm.c (replace_symbols_in_block): Remove static
2758         function.
2759
2760 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2761
2762         * config/fr30/fr30-protos.h: Remove the prototypes for
2763         stack_add_operand, add_immediate_operand,
2764         high_register_operand, low_register_operand, call_operand,
2765         di_operand, and nonimmediate_di_operand.
2766         * config/fr30/fr30.c (stack_add_operand,
2767         add_immediate_operand, high_register_operand,
2768         low_register_operand, call_operand, di_operand,
2769         nonimmediate_di_operand): Move to predicates.md.
2770         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2771         * config/fr30/fr30.md: Include predicates.md.
2772         * config/fr30/predicates.md: New.
2773
2774         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2775         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2776         mcore_call_address_operand.
2777
2778         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2779         general_movsrc_operand.
2780
2781 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2782
2783         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2784         after freeing.
2785
2786 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2787
2788         PR target/14812
2789         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2790         a negated value.
2791
2792 2005-04-04  Richard Henderson  <rth@redhat.com>
2793             Jakub Jelinek  <jakub@redhat.com>
2794
2795         PR rtl-optimization/16104
2796         * fold-const.c (fold_unary): Fix folding of vector conversions.
2797
2798 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2799
2800         * config.gcc (xstormy16-*-elf): Set extra_options.
2801         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2802         * config/stormy16/stormy16.opt: New file.
2803
2804 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2805
2806         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2807         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2808         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2809         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2810         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2811         (TARGET_UNIX_ASM): Delete.
2812         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2813         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2814         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2815         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2816         * config/pdp11/pdp11.opt: New file.
2817
2818 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2819             Alexandre Oliva  <aoliva@redhat.com>
2820
2821         PR c++/19199
2822         * fold-const.c (non_lvalue): Split tests into...
2823         (maybe_lvalue_p): New function.
2824         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2825         C++ front-end prior to lowering into gimple form.
2826
2827 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2828
2829         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2830         BUILT_IN_STRNCASECMP): New.
2831         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2832         and strndup.
2833
2834 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2835
2836         PR target/14812
2837         * arm.md (addsi3_compare0_for_combiner): Delete.
2838         (addsi3_compare0_scratch_for_combiner): Delete.
2839         (cmpsi_neg_shiftsi): Delete.
2840         (compare_negsi_si): New pattern.
2841         (cmpsi_negshiftsi_si): New pattern.
2842         (negated_cbranchsi4): Restrict to equality_operator.
2843
2844         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2845         template.
2846
2847 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2848
2849         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2850         Fix comment typos.
2851
2852         * doc/install.texi: Fix a typo.
2853
2854 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2855
2856         PR middle-end/20648
2857         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2858         a computed goto if the edge to the computed goto block has
2859         incoming abnormal edges.  Clarify how the function works.
2860
2861 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2862
2863         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2864         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2865         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2866         hash_scan_set, reg_set_between_after_reload_p,
2867         reg_used_between_after_reload_p, get_avail_load_store_reg,
2868         eliminate_partially_redundant_load): Likewise.
2869         * postreload.c (reload_cse_simplify_set,
2870         reload_combine_note_use): Likewise.
2871         * predict.c (predict_insn, expected_value_to_br_prob,
2872         propagate_freq, expensive_function_p): Likewise.
2873         * print-rtl.c (print_rtx): Likewise.
2874         * profile.c (instrument_edges, instrument_values,
2875         compute_branch_probabilities, branch_prob, union_groups,
2876         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2877         * protoize.c (in_system_include_dir, file_could_be_converted,
2878         file_normally_convertible, gen_aux_info_file, seek_to_line,
2879         do_cleaning): Likewise.
2880         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2881         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2882         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2883
2884 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2885
2886         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2887         * modulo-sched.c (undo_replace_buff_elem): New structure.
2888         (kernel_number_of_cycles, ps_unschedule_node,
2889         undo_generate_reg_moves,free_undo_replace_buff,
2890         undo_permute_partial_schedule,  loop_single_full_bb_p,
2891         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2892         build_loops_structure, get_sched_window): New.
2893         (generate_reg_moves): Return undo_replace_buff_elem and other
2894         fixes.
2895         (generate_prolog_epilog): Remove old loop versioning.
2896         (sms_schedule): Use loop information and loop_version.
2897         (sms_schedule_by_order): Split part of it to get_sched_window.
2898         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2899         cfg_layout_finalize and free_dominance_info before/after SMS.
2900
2901 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2902
2903         * cfghooks.c (lv_flush_pending_stmts,
2904         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2905         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2906         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2907         lv_add_condition_to_bb,
2908         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2909         flush_pending_stmts): New in cfg_hooks structure.
2910         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2911         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2912         lv_add_condition_to_bb): New declarations.
2913         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2914         bool.
2915         (loop_version): Declare.
2916         * cfgloopmanip.c (cfghooks.h): Include.
2917         (duplicate_loop_to_header_edge): Change return type to bool.
2918         (loop_version, lv_adjust_loop_entry_edge): Move here.
2919         * cfgrtl.c (cfgloop.h): Include.
2920         (rtl_verify_flow_info_1): Fix.
2921         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2922         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2923         initialization.
2924         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2925         tree_lv_add_condition_to_bb): New.
2926         (tree_cfg_hooks): Add new hooks to initialization.
2927         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2928         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2929
2930 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2931
2932         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2933         xstormy16_below100_or_register,
2934         xstormy16_splittable_below100_or_register, and
2935         nonimmediate_nonstack_operand.
2936
2937         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2938         xstormy16_ineqsi_operator, equality_operator,
2939         inequality_operator, shift_operator,
2940         xstormy16_below100_operand, xstormy16_below100_or_register,
2941         xstormy16_splittable_below100_or_register,
2942         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2943         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2944         equality_operator, inequality_operator,
2945         xstormy16_below100_operand, xstormy16_below100_or_register,
2946         xstormy16_splittable_below100_or_register,
2947         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2948         nonimmediate_nonstack_operand, shift_operator): Move to
2949         predicates.md.
2950         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2951         * config/stormy16/stormy16.md: Include predicates.md.
2952         * config/stormy16/predicates.md: New.
2953
2954 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2955
2956         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2957         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2958         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2959         move_operand, power_of_2_operand): Move to predicates.md.
2960         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2961         PREDICATE_CODE): Remove.
2962         * config/iq2000/iq2000.md: Include predicates.md.
2963         * config/iq2000/predicates.md: New.
2964
2965 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2966
2967         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2968         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2969         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2970         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2971         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2972         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2973         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2974         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2975         (TARGET_M68HC11): Delete.
2976         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2977         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2978         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2979         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2980         (nb_soft_regs): Delete.
2981         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2982         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2983         and MASK_M6812 being set simultaneously.  Change the code that sets
2984         the default m68hc11_soft_reg_count to use integers instead of strings.
2985         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2986         m68hc11_soft_reg_count (which now has an int type) as the number
2987         of soft registers.
2988         * config/m68hc11/m68hc11.opt: New file.
2989
2990 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2991
2992         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2993         fp_displacement_operand, sp_displacement_operand.
2994
2995         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2996         m68hcc_auto_inc_p.
2997         Remove the prototypes for tst_operand, cmp_operand,
2998         stack_register_operand, d_register_operand,
2999         hard_addr_reg_operand, splitable_operand,
3000         m68hc11_logical_operator, m68hc11_arith_operator,
3001         m68hc11_non_shift_operator, m68hc11_shift_operator,
3002         m68hc11_unary_operator, m68hc11_eq_compare_operator,
3003         non_push_operand, hard_reg_operand, and
3004         reg_or_some_mem_operand.
3005         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
3006         extern.
3007         (tst_operand, cmp_operand, non_push_operand,
3008         splitable_operand, reg_or_some_mem_operand,
3009         stack_register_operand, d_register_operand,
3010         hard_addr_reg_operand, hard_reg_operand,
3011         m68hc11_eq_compare_operator, m68hc11_logical_operator,
3012         m68hc11_arith_operator, m68hc11_non_shift_operator,
3013         m68hc11_shift_operator, m68hc11_unary_operator): Move to
3014         predicates.md.
3015         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
3016         * config/m68hc11/m68hc11.md: Include predicates.md.
3017         * config/m68hc11/predicates.md: New.
3018
3019 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3020
3021         PR debug/19345
3022         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
3023         change checked in along with 2005-03-03's patch for debug/20253.
3024         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
3025         (remap_decl): Insert type decl in map earlier.
3026
3027 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3028
3029         PR tree-optimization/20640
3030         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
3031         post-dominator if it has phi nodes.
3032         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
3033         before dead statements.
3034
3035 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3036
3037         PR middle-end/20491
3038         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
3039
3040 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3041
3042         PR rtl-optimization/20290
3043         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
3044         in every iteration if the entry point is the exit test.
3045
3046 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
3047
3048         * config/cris/cris.md (attribute "length"): Define.
3049
3050 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
3051
3052         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
3053         (word_offset_memref_operand): New.
3054         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
3055         (indexed_or_indirect_operand): Delete.
3056         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
3057         (indexed_or_indirect_operand): Delete.
3058
3059         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
3060
3061         PR 20650
3062         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
3063         a register.
3064
3065         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
3066         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
3067
3068 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3069
3070         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
3071
3072 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3073
3074         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
3075         (rus, prus): Remove static variables.
3076         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
3077         (process_command): Permit report_times and use_pipes together.
3078
3079 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3080
3081         * c-decl.c (validate_proto_after_old_defn): Look at
3082         TYPE_MAIN_VARIANT of argument types.
3083
3084 2005-04-01  Paul Brook  <paul@codesourcery.com>
3085
3086         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
3087         (arm_output_function_epilogue): Allow call_via_SP.
3088         (thumb_call_via_reg, arm_file_end): Ditto.
3089         * config/arm/arm.h (struct machine_function): Include space for SP.
3090         (thumb_call_via_label): Update declaration.
3091
3092 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3093
3094         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
3095         doing a peephole optimization, once again put any notes in the
3096         proper position.
3097
3098 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3099
3100         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
3101
3102 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3103
3104         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
3105         (block_alloc, find_free_reg): Likewise.
3106         * loop-doloop.c (doloop_modify): Likewise.
3107         * loop-invariant.c (record_use): Likewise.
3108         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
3109         get_iv_value, canon_condition, eliminate_implied_condition,
3110         eliminate_implied_condition, simplify_using_initial_values,
3111         shorten_into_mode, canonicalize_iv_subregs,
3112         iv_number_of_iterations): Likewise.
3113         * loop-unroll.c (expand_var_during_unrolling): Likewise.
3114         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
3115         unswitch_loop): Likewise.
3116         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
3117         move_movables, replace_call_address, find_and_verify_loops,
3118         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
3119         record_giv, final_giv_value, general_induction_var,
3120         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
3121         loop_giv_dump): Likewise.
3122
3123         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
3124         GCOV_CHECK_WRITING): Remove.
3125         (gcov_position, gcov_rewrite): Use gcc_assert.
3126         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
3127         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
3128         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
3129         gcc_assert.
3130
3131 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3132
3133         * tree-inline.c: Fix a typo.
3134
3135 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3136
3137         * configure.ac (enable-checking): Explicitly set all variables for
3138         collective switch values.  Alphabetize variables. Rename
3139         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
3140         synonym for 'no'.
3141         * doc/install.texi (enable-checking): Update documentation.
3142         * configure: Rebuilt.
3143
3144 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3145
3146         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3147         possible.
3148
3149 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3150
3151         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3152         Also reject cases where this pattern will cause load delay stalls
3153         unless optimizing for size and it will produce a shorter sequence.
3154         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3155         variants to avoid pre-adjusting the base when possible.
3156
3157 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3158
3159         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3160         the frame and argument pointers.
3161         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3162         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3163         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3164         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3165         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3166         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3167
3168 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
3169
3170         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3171         with entry for selectany attribute.
3172         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3173         Declare.
3174         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3175         (i386_pe_asm_named_section): Handle sections generated by
3176         selectany attribute.
3177         * doc/extend.texi (selectany): Document attribute.
3178
3179 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
3180             Jan Hubicka  <jh@suse.cz>
3181
3182         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3183         to fix addresses involving EBP and ESP.
3184         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3185         for SUBREGed registers.
3186         (legitimate_address_p): Accept SUBREGed registers.
3187
3188 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
3189
3190         PR c++/19406
3191         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3192         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3193         for FIELD_DECLs.
3194
3195 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3196
3197         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3198
3199 2005-04-01  James E Wilson  <wilson@specifixinc.com>
3200
3201         PR c++/20505
3202         * dwarf2out.c (rtl_for_decl_init): New function.
3203         (rtl_for_decl_location): Extracted from here.
3204         (tree_add_const_value_attribute): Call rtl_for_decl_init and
3205         add_const_value_attribute.  Delete initializer_constant_valid_p call.
3206
3207 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3208
3209         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3210         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3211         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3212         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3213         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3214         config/i386/i386.md, config/rs6000/predicates.md,
3215         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3216         config/s390/s390.c, config/stormy16/stormy16.c,
3217         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3218         typos.
3219
3220 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3221
3222         PR c/17855
3223         * gimplify.c (gimplify_expr): Create a temporary for lvalue
3224         COND_EXPR and CALL_EXPR.
3225
3226 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3227
3228         PR target/20632
3229         * genautomata.c (first_cycle_unit_presence): Check all alternative
3230         states for unit presence.
3231
3232         * doc/md.texi: Remove remark about impossibility to query unit
3233         presence in non nondeterministic automaton state.
3234
3235         * config/ia64/ia64.c (get_template): Change order of unit querying.
3236
3237 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3238
3239         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3240         obsolete comment.
3241
3242 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
3243
3244         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
3245         flag for edges outside any loops.
3246
3247 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
3248
3249         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
3250
3251 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3252
3253         * tree-ssa-alias.c: Follow spelling conventions.
3254         * doc/tree-ssa.texi: Fix a typo.
3255
3256 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
3257
3258         * postreload-gcse.c: Include target.h.
3259         (gcse_after_reload_main): Return early if we cannot modify jumps.
3260         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
3261
3262 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
3263
3264         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
3265         expensive operations.
3266
3267 2005-03-31  Ian Lance Taylor  <ian@airs.com>
3268
3269         * collect2.c (lderrout): New variable.
3270         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
3271         if it is set, to stderr.
3272         (handler): Unlink lderrout if it is set.
3273         (dump_file): Add "to" parameter.  Change all callers.
3274         (main): Initialize lderrout.
3275         (collect_execute): Add errname parameter.  Change all callers.
3276         Rename redir parameter to outname.  Never pass
3277         PEX_STDERR_TO_STDOUT to pex_run.
3278         * collect2.h (collect_execute, dump_file): Update declarations.
3279         * tlink.c (tlink_execute): Add errname parameter.  Change all
3280         callers.
3281         (do_tlink): Check lderrout as well as ldout.
3282
3283 2005-03-31  Caroline Tice  <ctice@apple.com>
3284
3285         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
3286         (bb-reorder.o): Add errors.h to list of requirements.
3287         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
3288         profiledbootstrap flags.
3289         * bb-reorder.c (errors.h): Add new include.
3290         (struct bbro_basic_block_data_def): Add new field, in_trace.
3291         (add_unlikely_executed_notes):  Remove function.
3292         (mark_bb_for_unlikely_executed_section): Remove function.
3293         (insert_section_boundary_note): New function.
3294         (verify_hot_cold_block_grouping): New function.
3295         (push_to_next_round_p): Remove variables and tests that push all
3296         cold blocks to last round.
3297         (find_traces): Remove code that added extra round of trace finding
3298         when doing partitioning.
3299         (find_traces_1_round) :  Remove variable last_round;  add code to
3300         update new struct field, in_trace; correct trace_length where it was
3301         incorrect before (after call to copy_bb); change code that pushed all
3302         cold blocks to last round. Instead verify that all blocks going into
3303         a trace belong in the same partition.
3304         (connect_traces): Modify to connect the traces in two passes, if the
3305         function contains both hot and cold blocks.  The first pass connects
3306         all the traces for blocks in the partition that the first block in
3307         the function belongs to; the second pass connnects all the traces
3308         containing blocks that belong in the other partition.
3309         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
3310         code that automatically put the first block in a function into the
3311         hot partition if the function had any hot blocks.
3312         (fix_crossing_unconditional_branches): Check number of succ edges
3313         before attempting to get one.
3314         (fix_edges_for_rarely_executed_code):  Update comment describing
3315         function.
3316         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
3317         remove call to add_unlikely_executed_notes; add call to
3318         verify_hot_cold_block_grouping.
3319         (duplicate_computed_gotos): Don't change computed goto if it's a
3320         crossing edge.
3321         (partition_hot_cold_basic_blocks):  Update function comment.
3322         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
3323         condition.
3324         (try_forward_edges): Likewise.
3325         (merge_blocks_move_predecessor_nojumps): Likewise.
3326         (merge_blocks_move_successor_nojumps): Likewise.
3327         (merge_blocks_move): Likewise.
3328         (try_crossjump_bb): Likewise.
3329         * cfglayout.c (update_unlikely_executed_notes): Remove function.
3330         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
3331         notes to cold bb's; remove call to update_unlikely_executed_notes.
3332         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3333         NOTE_INSN_SWITCH_TEXT_SECTIONS.
3334         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
3335         function declaration.
3336         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
3337         from consideration.
3338         (rtl_can_merge_blocks): Remove redundancy from condition.
3339         (try_redirect_by_replacing_jump): Likewise.
3340         (force_nonfallthru_and_redirect): Remove code for adding
3341         UNLIKELY_EXECUTED_CODE notes to cold bb's.
3342         (commit_one_edge_insertion): Likewise.
3343         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
3344         * dbxout.c (FORCE_TEXT): Replace function_section with
3345         current_function_section.
3346         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
3347         function, switch_text_section.
3348         (struct xcoff_debug): Likewise.
3349         (dbxout_function_end): Add code to put out label diffs for both
3350         hot and cold sections.
3351         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
3352         for new debug_hooks funciton, switch_text_section..
3353         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
3354         switch_text_section.
3355         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
3356         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
3357         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
3358         dw_fde_switched_sections.
3359         (output_call_frame_info):  Add test to see if function switches text
3360         sections in the middle; if so, use appropriate extra hot and cold
3361         section labels to compute size deltas for the hot and cold sections.
3362         (dwarf2out_begin_prologue): Add code to initialize new fields in
3363         dw_fde_struct.
3364         (dwarf2out_switch_text_section): New function (invoked through
3365         debug_hook); updates new fields in dw_fde_struct appropriately and
3366         increments separate_line_info_table_in_use.
3367         (dwarf2_debug_hooks): Initialize switch_text_section function to be
3368         dwarf2out_switch_text_section.
3369         (struct var_loc_node): Add new field, section_label.
3370         (output_aranges): Add code to check whether in hot or cold section and
3371         use the appropriate label in calculating deltas.
3372         (output_ranges): Likewise.
3373         (output_line_info): Add code to check which section we're in and
3374         use appropriate hot/cold label.
3375         (add_location_or_constant_value_attribute): Likewise.
3376         (gen_subprogam_die): Modify arange attributes to use correct labels.
3377         (dwarf2out_begin_block): Change call to function_section into call to
3378         current_function_section.
3379         (dwarf2out_end_block): Likewise.
3380         (dwarf2out_source_line): Likewise.
3381         (dwarf2out_var_location): Add code to check whether in hot or cold
3382         section and use the appropriate label.
3383         * except.c (output_function_exception_table): Change call to
3384         function_section into call to current_function_section.
3385         * final.c (profile_function): Likewise.
3386         (scan_ahead_for_unlikely_executed_note): Remove function.
3387         (final_scan_insn):  Remove calls to
3388         scan_ahead_for_unlikely_executed_note, and related code for switching
3389         to cold section, except for the single time
3390         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
3391         debug_hooks->switch_text_sections; replace appropriate calls to
3392         function_section with calls to current_function_section.
3393         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
3394         test_bb to condition.
3395         (find_if_case_2): Likewise.
3396         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3397         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
3398         * opts.c (decode_options): Change warning about hot/cold partitioning
3399         with exceptionss to inform (so as not to cause bootstrap failures);
3400         remove warning about partitioning with DWARF debug info.
3401         * output.h (current_function_section): Add new function decl.
3402         (insert_section_boundary_note): Likewise.
3403         (enum in_section): Move this declaration here from varasm.c.
3404         (unlikely_section_label): Likewise.
3405         (unlikely_text_section_name): Likewise.
3406         (last_text_section_name): New global variable.
3407         (last_text_section): Likewise.
3408         (hot_section_label): Likewise.
3409         (hot_section_end_label): Likewise.
3410         (cold_section_end_label): Likewise.
3411         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
3412         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
3413         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
3414         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
3415         insn from consideration.
3416         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
3417         switch_text_section.
3418         * varasm.c (basic-block.h): Add new include.
3419         (unlikely_section_label_printed): Remove global variable.
3420         (unlikely_section_label): Make global variable not be static any more.
3421         (unlikely_text_section_name): Likewise.
3422         (hot_section_end_label): New global variable (not static)
3423         (first_function_block_is_cold): Likewise.
3424         (hot_section_label): Likewise.
3425         (cold_section_end_label): Likewise..
3426         (last_text_section): New global variable, not static.
3427         (last_text_section_name): New global variable, not static.
3428         (initialize_cold_section_name): New function.
3429         (enum in_section): Move declaration to output.h.
3430         (text_section): Update last_text_section.
3431         (unlikely_text_section): Replace code to determine cold section name
3432         with call to initialize_cold_section_name; Add code to update
3433         last_text_section; remove code for printing out label.
3434         (named_section_real): Add code to update last_text_section and
3435         last_text_section_name as appropriate.
3436         (function_section): Change test for 'unlikely' to depend on
3437         first_function_block_is_cold (moved old test to
3438         current_function_section).
3439         (current_function_section): New function.
3440         (assemble_start_function): Move code that frees
3441         unlikely_text_section_name; initialize hot_section_end_label;
3442         print hot and cold section labels at the start of the function;
3443         set first_function_block_is_cold, if appropriate; initialize l
3444         ast_text_section; add call to insert_section_boundary_note.
3445         (assemble_end_function):  Add code to write out hot and cold section
3446         end labels.
3447         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
3448         switch_text_section.
3449         * config/darwin.c (machopic_select_section): Replace incorrect
3450         function in base_funs; update reloc for cold sections if necessary.
3451         * config/darwin.h (SECTION_FUNCTION):  Add code to update
3452         last_text_section if appropriate.
3453         (text_unlikely_section): Remove.
3454         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
3455         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
3456         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
3457         partitioning for this architecture.
3458
3459 2005-03-31  Olivier Hainque  <hainque@adacore.com>
3460
3461         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
3462         defined and non-zero.
3463
3464 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3465
3466         PR c++/18644
3467         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
3468         semantics.
3469
3470 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3471
3472         PR target/20611
3473         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
3474         label operand.  Remove (use (unspec..)).  Don't emit a label on
3475         the offset word.
3476         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
3477         generate inline label for load_toc_v4_PIC_1b.
3478         (rs6000_emit_load_toc_table): Likewise.
3479
3480 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3481
3482         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
3483         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
3484
3485 2005-03-29  Devang Patel  <dpatel@apple.com>
3486
3487         * tree-sra.c (decide_block_copy): Disable scalarization of
3488         sub-elements.
3489
3490 2005-03-30  Stuart Hastings  <stuart@apple.com>
3491             Dale Johannesen  <dalej@apple.com>
3492
3493         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
3494         * print-tree.c (print_node):  Add case STATEMENT_LIST.
3495
3496 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3497
3498         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
3499         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
3500         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
3501         is given with "powerpc64*" or "all", or when --with-cpu chooses
3502         a 64-bit cpu.
3503
3504 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
3505
3506         PR debug/20268
3507         * dwarf2out.c (add_high_low_attributes): New function, extracted from
3508         gen_lexical_block_die.
3509         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
3510
3511 2005-03-31  Jan Hubicka  <jh@suse.cz>
3512
3513         2004-11-02  Jan Hubicka  <jh@suse.cz>
3514
3515         * cgraph.c (cgraph_varpool_node_name): New function.
3516         (dump_cgraph_varpool_node): New function.
3517         (dump_varpool): New function.
3518         * cgraphunit.c (cgraph_optimize): Dump varpool.
3519
3520         2004-10-16  Jan Hubicka  <jh@suse.cz>
3521
3522         * cgraph.c (decide_is_variable_needed): New function.
3523         (cgraph_varpool_finalize_decl): Use it.
3524         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
3525         unit-at-a-time.
3526         * final.c (output_addr_const): Do not call mark_referenced.
3527         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
3528         always go via cgraph.
3529         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3530         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3531         * tree-optimize.c (execute_inline): Mark functions called.
3532         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3533
3534         2004-10-11  Jan Hubicka  <jh@suse.cz>
3535
3536         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3537         (cgraph_varpool_last_needed_node): New static variable.
3538         (enqueue_needed_varpool_node): Break out from ...; add items to the
3539         end of queue; update first pointers.
3540         (cgraph_varpool_mark_needed_node): ... here.
3541         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3542         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3543         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3544         (cgraph_varpool_first_unanalyzed_node): Declare.
3545         * cgraphunit.c: Include output.h.
3546         (cgraph_varpool_analyze_pending_decls): New function.
3547         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3548         for errors, analyze pending decls.
3549         (cgraph_finalize_compilation_unit): Only analyze decls.
3550         (cgraph_optimize): Assemble the decls after expanding.
3551
3552 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3553
3554         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3555         subvars get marked properly in tags for grouping.
3556         (add_pointed_to_var): Mark only actual pointed to
3557         variables/subvars in addresses needed.
3558         (create_overlap_variables_for): Clear call clobbered on original
3559         variable.
3560         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3561         addresable vars with subvars into list.
3562         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3563         subvar should be.
3564
3565 2005-03-30  Richard Henderson  <rth@redhat.com>
3566
3567         * cgraph.h (struct cgraph_node): Add alias.
3568         * varasm.c (assemble_alias): Set it.
3569         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3570         avoid calling cgraph_expand_function.
3571
3572 2005-03-30  Tom Tromey  <tromey@redhat.com>
3573
3574         * tree.def (FILE_TYPE): Removed.
3575         * typeclass.h (enum type_class): Removed file_type_class.
3576         * dwarf2out.c (is_base_type): Updated.
3577         (gen_type_die): Likewise.
3578         * dbxout.c (dbxout_type): Updated.
3579         * builtins.c (type_to_class): Updated.
3580         * tree.c (type_contains_placeholder_1): Updated.
3581         * config/sparc/sparc.c (sparc_type_code): Updated.
3582         * config/ia64/ia64.c (hfa_element_mode): Updated.
3583         * expr.c (count_type_elements): Updated.
3584         * stor-layout.c (layout_type): Updated.
3585         * tree-inline.c (remap_type): Updated.
3586         * tree-pretty-print.c (dump_generic_node): Updated.
3587
3588 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3589
3590         * builtins.c (expand_builtin_powi): Fix mode of
3591         2nd argument to match int.
3592         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3593         2nd argument type to int.
3594         * libgcc2.c: Change prototype of __powi* functions to use
3595         int.
3596
3597 2005-03-30  Dale Johannesen  <dalej@apple.com>
3598
3599         PR middle-end/19225
3600         * calls.c (expand_call):  Flush pending deferrals before
3601         throwing call.
3602
3603 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3604
3605         PR c/772
3606         PR c/17913
3607         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3608         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3609         c_label_context, label_context_stack): New.
3610         * c-decl.c (define_label): Check for jumps into statement
3611         expressions.  Add label to list of defined labels.
3612         (start_function): Push context on label_context_stack.
3613         (finish_function): Pop context from label_context_stack.
3614         * c-typeck.c (label_context_stack): New.
3615         (c_finish_goto_label): Check for jumps into statement
3616         expressions.  Add label to list of jumped to labels.
3617         (struct c_switch): Add blocked_stmt_expr.
3618         (c_start_case): Initialize it.
3619         (do_case): Check it.
3620         (c_finish_case): Verify !blocked_stmt_expr.
3621         (c_begin_stmt_expr):  Push context on label_context_stack.
3622         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3623         as undefinable.
3624         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3625         defined in the statement expression and no longer jumpable to.
3626         Mark labels jumped to from just outside the statement expression
3627         as again definable.  Pop context from label_context_stack.
3628         * doc/extend.texi (Statement Exprs): Update.
3629
3630 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3631
3632         PR c/20368
3633         * c-decl.c (start_function): Check for old_decl being
3634         error_mark_node.
3635
3636 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3637
3638         * final.c (final): Remove prescan parameter.  Change all callers.
3639         (final_scan_insn): Remove prescan parameter.  Change all callers.
3640
3641 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3642
3643         * tree-vectorizer.c: Fix comment typos.
3644
3645 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3646
3647         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3648         as soon as a chrec_dont_know is detected.
3649
3650 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3651
3652         Merge from csl-arm-branch.
3653         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3654
3655         * tlink.c (recompile_files): Do not assume that "rename" can
3656         overwrite an existing file.
3657
3658 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3659
3660         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3661         * gcc/configure: Regenerate.
3662
3663 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3664
3665         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3666
3667         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3668
3669         * calls.c (struct arg_data): Update "partial" comment.
3670         (load_register_parameters): Update "nregs" comment.
3671
3672 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3673
3674         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3675         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3676         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3677         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3678         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3679         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3680         than target_flags & 0.
3681         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3682         (iq2000_arch, iq2000_parse_cpu): Delete.
3683         (TARGET_HANDLE_OPTION): Override default.
3684         (iq2000_handle_option): New function.
3685         (override_options): Remove -march= and -mcpu= handling.
3686         * config/iq2000/iq2000.opt: New file.
3687
3688 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3689
3690         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3691         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3692         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3693         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3694         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3695         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3696         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3697         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3698         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3699         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3700         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3701         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3702         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3703         (TARGET_OPTIONS): Delete.
3704         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3705         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3706         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3707         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3708         (c4x_cpu_version_string): Delete.
3709         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3710         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3711         equivalent -mcpu= option.
3712         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3713         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3714         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3715         or clearing the appropriate MASK_* bit.
3716         (c4x_file_start): Use c4x_cpu_version.
3717         * config/c4x/c4x.opt: New file.
3718
3719 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3720
3721         * doc/options.texi: Document the new MaskExists flag.
3722         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3723         if the option has the MaskExists flag.
3724
3725 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3726
3727         * opt-functions.awk (flag_set_p, test_flag): New functions.
3728         (switch_flags): Use them.
3729         * opth-gen.awk: Use flag_set_p to check for flags.
3730         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3731
3732 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3733
3734         * config.host (i[34567]86-*-mingw32*): Don't set
3735         host_can_use_collect2 to no.
3736
3737 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3738
3739         PR target/20203
3740         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3741         Remove convert_memory_address call duplicating that in memory_address.
3742
3743 2005-03-29  Richard Henderson  <rth@redhat.com>
3744
3745         PR c/20519
3746         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3747         (build_compound_literal): Likewise.  Propagate decl type into the
3748         initializer.
3749         (finish_decl): Likewise.  Use new return value from complete_array_type
3750         for zero sized arrays.
3751         (complete_array_type): Move ...
3752         * c-common.c (complete_array_type): ... here.  Change first argument
3753         to pointer-to-type-node.  Consistently use sizetype for the index
3754         except for zero sized arrays.  Detect zero sized arrays for pedantic
3755         mode diagnostics.  Create a new type node instead of modifying the
3756         old node in place.
3757         * c-tree.h (complete_array_type): Move decl ...
3758         * c-common.h (complete_array_type): ... here.
3759
3760 2005-03-29  Richard Henderson  <rth@redhat.com>
3761
3762         PR tree-opt/19108
3763         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3764
3765 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3766
3767         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3768         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3769         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3770         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3771
3772 2005-03-29  Eric Christopher  <echristo@redhat.com>
3773
3774         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3775         truthvalue conversion removal.
3776
3777 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3778
3779         PR bootstrap/14316
3780         * collect2.c: Never include <vfork.h>.
3781         (VFORK_STRING, vfork): Don't define.
3782         (pid): Remove global variable.
3783         (handler): Call raise instead of kill (getpid(), ...).
3784         (collect_wait): Add pex parameter.  Change all callers.  Use
3785         pex_get_status rather than pwait.
3786         (do_wait): Add pex parameter.  Change all callers.
3787         (collect_execute): Return struct pex_obj * rather than void.  Use
3788         pex routines rather than pexecute.
3789         (fork_execute): Get pex_obj from collect_execute, and pass it to
3790         do_wait.
3791         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3792         Only declare quit_handler if SIGQUIT is defined.
3793         (scan_libraries): Likewise.
3794         * collect2.h (collect_execute): Update declaration.
3795         (collect_wait): Update declaration.
3796         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3797         pass it to collect_wait.
3798
3799 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3800
3801         PR c/20672
3802         * c-parser.c (c_parser_compound_statement_nostart): Give error
3803         message for EOF instead of just setting parser->error.
3804
3805 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3806
3807         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3808         (slpeel_update_phi_nodes_for_guard1): New function.
3809         (slpeel_update_phi_nodes_for_guard2): New function.
3810         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3811         of slpeel_update_phi_nodes_for_guard.
3812         (vectorize_loops): Remove call to loop_closed_rewrite.
3813         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3814         assertion.
3815
3816 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3817
3818         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3819         (TARGET_LITTLE_ENDIAN): New macro.
3820         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3821         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3822         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3823         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3824         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3825         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3826         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3827         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3828         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3829         (TARGET_OPTIONS): Delete.
3830         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3831         (CACHE_FLUSH_TRAP): Turn into an integer.
3832         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3833         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3834         -mflush-trap is in use.
3835         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3836         (m32r_cache_flush_trap_string): Delete.
3837         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3838         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3839         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3840         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3841         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3842         -mmodel= and -msdata= handling from...
3843         (m32r_init): ...here.
3844         * config/m32r/m32r.opt: New file.
3845
3846 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3847
3848         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3849         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3850         * tree-vect-analyze.c (vect_object_analysis): additional parm
3851         pass back a "struct ptr_info_def *" with the points-to info.
3852         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3853         statement using info returned from vect_object_analysis.
3854         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3855         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3856         for virtual uses and defs when creating a replacement vector
3857         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3858         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3859         (vectorizable_store): copy_virtual_operands and update
3860         definition statements.
3861         (vectorizable_load): copy_virtual_operands.  Remove call to
3862         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3863         * tree-vectorizer.c (vectorize_loops): Remove calls to
3864         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3865         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3866         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3867         define macro STMT_VINFO_PTR_INFO for use in accessing.
3868         * tree.h add export of duplicate_ssa_name_ptr_info.
3869         * rs6000.c (altivec_init_builtins): Declare builtin function
3870         __builtin_altivec_mask_for_load to be "const".
3871
3872 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3873
3874         PR middle-end/20622
3875         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3876         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3877         assemble_variable on aliases.
3878         * varasm.c (assemble_alias): Set node->alias.
3879         * toplev.c (wrapup_global_declarations): Don't call
3880         rest_of_decl_compilation on aliases again.
3881
3882 2005-03-29  Paul Brook  <paul@codesourcery.com>
3883
3884         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3885         * config/arm/arm.c (arm_dbx_register_number): New function.
3886         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3887
3888 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3889
3890         PR middle-end/20263
3891         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3892         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3893
3894 2005-03-29  Dale Johannesen <dalej@apple.com>
3895
3896         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3897         $(TREE_H) and $(COVERAGE_H).
3898         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3899         * opts.c (common_handle_option): Enable tree-based value transforms.
3900         * toplev.c (process_options): Ditto.
3901         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3902         refers to references to this type.
3903         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3904         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3905         for may_be_more, may_be_less.
3906         (rtl_gen_pow2_profiler): Adjust.
3907         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3908         (rtl_gen_one_value_profiler): Adjust.
3909         (rtl_gen_const_delta_profiler): Adjust.
3910         * tree-profile.c (tree_gen_interval_profiler): Implement.
3911         (tree_gen_pow2_profiler): Ditto.
3912         (tree_gen_one_value_profiler): Ditto.
3913         (tree_profiling): New.
3914         (pass_tree_profile): Reference it.
3915         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3916         tree.h, gcov-io.h.
3917         (insn_divmod_values_to_profile): Rename to
3918         rtl_divmod_values_to_profile. Adjust.
3919         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3920         (insn_prefetch_values_to_profile): Adjust.
3921         (rtl_value_profile_transformations): Adjust.
3922         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3923         (gen_mod_pow2): Rename to rtl_mod_pow2.
3924         (gen_mod_subtract): Rename to rtl_mod_subtract.
3925         (divmod_fixed_value_transform): Rename to
3926         rtl_divmod_fixed_value_transform.
3927         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3928         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3929         (rtl_find_values_to_profile): Adjust.
3930         (tree_value_profile_transformations): Implement.
3931         (tree_divmod_values_to_profile): New.
3932         (tree_values_to_profile): New.
3933         (tree_divmod_fixed_value): New.
3934         (tree_mod_pow2): New.
3935         (tree_mod_subtract): New.
3936         (tree_divmod_fixed_value_transform): New.
3937         (tree_mod_pow2_value_transform): New.
3938         (tree_mod_subtract_transform): New.
3939         (tree_find_values_to_profile): Implement.
3940         * profile.c (instrument_values):  Free histograms.
3941         (compute_value_histograms): Adjust. Implement tree version.
3942
3943 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3944
3945         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3946         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3947         variable.  Output "fldcw" depending on round_mode.
3948         * config/i386/i386.md (UNSPEC_FIST): New.
3949         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3950         New isns patterns to implement lrint and llrint built-ins as x87
3951         intrinsic function.
3952         (fistdi2, fist<mode>2 splitters): New splitters.
3953         (lrint<mode>2): New expanders.
3954
3955 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3956
3957         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3958         0 when calling final_scan_insn.
3959
3960 2005-03-28  Jan Hubicka  <jh@suse.cz>
3961
3962         PR middle-end/20635
3963         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3964         as needed.
3965
3966         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3967         types where possible.
3968
3969 2005-03-26  Per Bothner  <per@bothner.com>
3970
3971         Make -f[no-]show-column also control non-cpp diagnostics.
3972         * c.opt (fshow-column): Move option from here ...
3973         * common.opt (fshow-column): ... to here.
3974         * diagnostic.c (diagnostic_build_prefix): Only print column number
3975         if flag_show_column.
3976
3977 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3978
3979         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3980         vax_output_conditional_branch): New prototypes.
3981         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3982         extracted from vax.md mov and add patterns.
3983         (vax_output_conditional_branch): New function to output conditional
3984         branch instructions.
3985         * vax.md: Use mode macros for arithmetic and mov patterns.
3986         Use code macros for the jump patterns.
3987
3988 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3989
3990         * Makefile.in (libbackend.o): Depend on version files;
3991         add custom generation command.
3992
3993 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3994
3995         PR target/20636
3996         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3997         sure that we have a REG before getting its REGNO.
3998
3999 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4000
4001         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
4002         * builtins.def (BUILT_IN_STRNDUP): New.
4003
4004 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
4005
4006         PR tree-optimization/20470
4007         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
4008         ABS(x-y).
4009
4010 2005-03-25  Mike Stump  <mrs@apple.com>
4011
4012         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
4013         sized objects.
4014
4015 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
4016
4017         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
4018         Use our own structure definitions.
4019
4020         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
4021         (fix_truncdfsi2): Allow registers or memory as destination.
4022         When TARGET_PPC_GFXOPT, generate simplified pattern.
4023         (fix_truncdfsi2_internal): Use define_insn_and_split.
4024         (fix_truncdfsi2_internal_gfxopt): New.
4025         (fctiwz): Don't confuse register allocation by giving it no choices.
4026         (stfiwx): New.
4027         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
4028         (EXTRA_MEMORY_CONSTRAINT): Likewise.
4029         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
4030         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
4031
4032 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4033
4034         * dominance.c (free_dominance_info): Speed up by freeing et
4035         data structures without maintaining other nodes.
4036         * et-forest.c (et_free_tree_force): New.
4037         * et-forest.h: Add a prototype for et_free_tree_force.
4038
4039         * tree.c (get_set_constructor_bits,
4040         get_set_constructor_bytes): Remove.
4041         * tree.h: Remove the corresponding prototypes.
4042
4043 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4044
4045         PR target/15491
4046         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
4047         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
4048         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
4049         PRE_DEC, NEG and NOT.
4050
4051 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4052
4053         * fold-const.c: Convert uses of fold (build (...)) to
4054         fold_buildN.
4055
4056 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
4057
4058         PR rtl-optimization/20249
4059         * cse.c (insert_regs): Do not record equivalence of registers in
4060         different modes.
4061
4062 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
4063
4064         * emit-rtl.c (reverse_comparison): Remove.
4065         * rtl.h: Remove the corresponding prototype.
4066
4067 2005-03-24  James E Wilson  <wilson@specifixinc.com>
4068
4069         * doc/install.texi (--enable-altivec): Delete docs.
4070
4071 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
4072
4073         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
4074         SFmode and DFmode before reload when
4075         flag_unsafe_math_optimizations not enabled.
4076
4077 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
4078
4079         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
4080
4081         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
4082         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
4083
4084 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
4085
4086         * configure.ac (enable-checking): Add 'runtime' option.
4087         * doc/install.texi (enable-checking): Document 'runtime' checking.
4088         * tsystem.h (gcc_assert, gcc_unreachable): Define.
4089         * config.in: Regenerated.
4090         * configure: Regenerated.
4091
4092 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
4093
4094         * optabs.h (enum optab_index): Remove OTI_llrint.
4095         (llrint_optab): Remove macro.
4096         * optabs.c (init_optabs): Remove llrint_optab initialization.
4097         * genopinit.c (optabs): Remove llrint_optab implementation.
4098         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
4099         using lrint_optab.
4100
4101 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
4102
4103         PR rtl-optimization/20532
4104         * simplify-rtx.c (simplify_binary_operation_1): Protect from
4105         overflow when adding coefficients for PLUS or MINUS.
4106         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
4107         two as multiplier.
4108
4109 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4110
4111         * langhooks.h (truthvalue_conversion): Remove.
4112         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4113         LANG_HOOKS_TRUTHVALUE_CONVERSION.
4114         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
4115         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
4116         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
4117
4118 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
4119
4120         * params.def: Fix a typo.
4121         * config/mips/mips.c: Follow the spelling convensions.
4122         * doc/invoke.texi: Fix typos.
4123
4124 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
4125
4126         Fix PR tree-optimization/20601
4127
4128         * tree-ssa-pre.c (insert_aux): Add missing condition to
4129         constification.
4130
4131 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4132
4133         * final.c (final_scan_insn): Don't remove no-op instructions.
4134         * reload1.c (reload): Remove simple no-op instructions even when
4135         not optimizing.
4136
4137 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
4138
4139         PR tree-optimization/20501
4140         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
4141         reporting that peeling for alignment is applied moved to...
4142         * (vect_analyze_data_refs_alignment): Here.
4143
4144 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4145
4146         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4147
4148 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4149
4150         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4151         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4152
4153 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
4154
4155         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4156         imply that this is called once, independent of asms in code.
4157         Adjust to now being pased output and input lists.  Mention helper
4158         function decl_overlaps_hard_reg_set_p.
4159         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4160         hook_tree_tree_identity and to take three trees, returning third.
4161         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4162         prototype.
4163         * stmt.c: include hard-reg-set.h before tree.h.
4164         (decl_overlaps_hard_reg_set_p): New function, broken out from...
4165         (decl_conflicts_with_clobbers_p): Call
4166         decl_overlaps_hard_reg_set_p.
4167         (expand_asm_operands): Pass output and input lists in call to
4168         targetm.md_asm_clobbers.
4169         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4170         hook_tree_tree_tree_tree_3rd_identity.
4171         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4172         parameters.
4173         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4174         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4175         parameters, first two unused.
4176         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4177         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
4178         in constraint letters and MOF is not mentioned as a asm-declared
4179         register in neither of the input and output lists.
4180
4181 2005-03-23  DJ Delorie  <dj@redhat.com>
4182
4183         * optabs.c (expand_binop): Make sure the first subword's result
4184         gets stored.
4185
4186 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4187
4188         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4189         Call c_common_truthvalue_conversion rather than
4190         lang_hooks.truthvalue_conversion.
4191         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4192         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4193         c-typeck.c.
4194         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4195         c_common_truthvalue_conversion.
4196         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4197         c_parser_conditional_expression, c_parser_binary_expression): Call
4198         c_objc_common_truthvalue_conversion.
4199         * c-typeck.c (build_unary_op): Call
4200         c_objc_common_truthvalue_conversion.
4201         (build_conditional_expr): Do not call
4202         lang_hooks.truthvalue_conversion.
4203         (build_binary_op): Call c_common_truthvalue_conversion.
4204         (c_objc_common_truthvalue_conversion): Moved from
4205         c-objc-common.c.  Call default_function_array_conversion instead
4206         of default_conversion.
4207
4208 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4209
4210         * c-common.h (default_conversion): Remove.
4211         (perform_integral_promotions): Add.
4212         * c-tree.h (default_conversion): Add.
4213         * c-typeck.c (perform_integral_promotions): New, split out from
4214         default_conversion.
4215         * c-common.c (check_case_value): Use perform_integral_promotions,
4216         not default_conversion.
4217         (c_add_case_label): Don't continue processing case label after
4218         found to be pointer.
4219
4220 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
4221
4222         * gcc.c (do_spec_1): Do not add a -L path for a directory in
4223         the prefix list if we have already added a multilib directory
4224         based on that path.
4225         (main): Do not add MD_EXEC_PREFIX to the list of directories to
4226         search with -L.
4227
4228 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4229
4230         * reload1.c (indirect_symref_ok, reload_obstack): Make them
4231         static.
4232         * reload.h: Remove the prototype for indirect_symref_ok.
4233
4234         * reload1.c (indirect_symref_ok): Make it global.
4235         * reload.h: Add a prototype for indirect_symref_ok.
4236
4237 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4238
4239         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4240         ashlhi3 expander.
4241
4242 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4243
4244         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
4245
4246 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
4247
4248         * c-opts.c (c_common_parse_file): Only start/end main source file
4249         if debug hooks says the writer wants it.
4250         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
4251         member.
4252         (xcoff_debug_hooks): Ditto.
4253         * debug.c (do_nothing_hooks): Ditto.
4254         * debug.h (gcc_debug_hooks): Ditto.
4255         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
4256         * sdbout.c (sdb_debug_hooks): Ditto.
4257         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
4258
4259 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
4260
4261         * doc/extend.texi: Deprecate C++ min/max operators.
4262
4263 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
4264
4265         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
4266         artificial original candidates.
4267
4268 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
4269             Jan Hubicka  <jh@suse.cz>
4270             Steven Bosscher <stevenb@suse.de>
4271
4272         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
4273         call cost based on argument sizes.
4274         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
4275         inlining.
4276         * params.def: (max-inline-inssn-single): Set to 450.
4277         (max-inline-insns-auto): Set to 90.
4278         (max-inline-insns-recursive): Set to 450
4279         (max-inline-insns-recursive-auto): Set to 450.
4280         (large-function-insns): Set to 2700.
4281         (inline-call-cost): New parameter.
4282         * tree-inline.c (estimate_move_cost): New function.
4283         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
4284         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
4285         based on arguments.
4286         * tree-inline.h (estimate_move_cost): Declare.
4287         * invoke.texi: (max-inline-inssn-single): Change default to 450.
4288         (max-inline-insns-auto): Change default to 90.
4289         (max-inline-insns-recursive): Change default to 450
4290         (max-inline-insns-recursive-auto): Change default to 450.
4291         (large-function-insns): Change default to 2700.
4292         (inline-call-cost): Document new parameter.
4293
4294 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4295
4296         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
4297         (TARGET_DEFAULT): Delete.
4298         * config/i860/i860.opt: New file.
4299
4300 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4301
4302         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
4303         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4304         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4305         (frv_sched_lookahead): Delete.
4306         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
4307         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
4308         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
4309         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
4310         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
4311         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
4312         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
4313         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
4314         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
4315         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
4316         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
4317         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
4318         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
4319         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
4320         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
4321         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
4322         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
4323         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
4324         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
4325         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
4326         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
4327         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
4328         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
4329         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4330         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4331         (frv_sched_lookahead): Delete.
4332         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
4333         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4334         (frv_handle_option): New function.  Move -mcpu= handling from...
4335         (frv_override_options): ...here.  Remove handling of other
4336         TARGET_OPTIONS.
4337         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
4338         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
4339         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
4340         and TARGET_NO_MULTI_CE.
4341         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
4342         !TARGET_VLIW_BRANCH.
4343         * config/frv/frv.opt: New file.
4344
4345 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4346
4347         * fold-const.c (fold_ternary): Take decomposed arguments of
4348         CALL_EXPR.
4349         (fold): Update a call to fold_ternary.
4350
4351         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
4352         * tree.h: Add corresponding prototypes.
4353
4354 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
4355
4356         PR target/20561
4357         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
4358         between jump table and its label.
4359         * final.c (shorten_branches): Handle notes in between ADDR_VEC
4360         resp. ADDR_DIFF_VEC and the label preceeding it.
4361         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
4362         is emitted in the right section.
4363
4364 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4365
4366         * fold-const.c (fold_unary, fold_binary): Update comments
4367         about arguments.
4368
4369 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
4370
4371         PR rtl-optimization/20527
4372         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
4373         REG_INC note, test that the register also isn't mentioned in PRED
4374         or SUCC.
4375
4376 2005-03-22  Ben Elliston  <bje@au.ibm.com>
4377
4378         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
4379         and definition.
4380
4381 2005-03-21  Mike Stump  <mrs@apple.com>
4382
4383         * varasm.c (default_assemble_visibility): Remove extra ().
4384
4385 2005-03-21  Roger Sayle  <roger@eyesopen.com>
4386
4387         PR middle-end/20557
4388         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
4389         to determine whether a block can be duplicated, rather than test
4390         whether the block contains noncopyable insns ourselves.
4391
4392 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4393
4394         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
4395         predicates.
4396
4397 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4398
4399         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
4400
4401 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4402
4403         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
4404         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
4405         * config/fr30/fr30.opt: New file.
4406
4407 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
4408
4409         Fix PR tree-optimization/20542
4410
4411         * tree-flow-inline.h (overlap_subvar): Move to here.
4412         * tree-ssa-operands.c: From here.
4413         * tree-flow.h (overlap_subvar): Declare.
4414         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
4415         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
4416         for variables with subvars.
4417
4418 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
4419
4420         PR middle-end/20177
4421         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
4422         * modulo-sched.c (const_iteration_count): Return on NULL
4423         pre-header.
4424         (print_node_sched_params): Return on NULL dump_file.
4425         (generate_reg_moves): Handle reg-anti dependencies and disregard
4426         closing branch when generating register moves.
4427         (sms_schedule): Mark the SMSed block dirty.
4428         * passes.c (rest_of_handle_sms): Call update_life_info for all
4429         basic-blocks.
4430         * testsuite/gcc.dg/20050321-1.c: New test.
4431
4432 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4433
4434         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
4435         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4436         movqi_internal): Likewise.
4437
4438 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4439
4440         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4441         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
4442         xtensa_b4const): Delete prototypes.
4443         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
4444         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
4445         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
4446         xtensa_extra_constraint): New prototypes.
4447         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4448         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4449         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4450         move_operand, const_float_1_operand, fpmem_offset_operand,
4451         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
4452         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
4453         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
4454         argument type to HOST_WIDE_INT.
4455         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
4456         xtensa_mask_immediate): Likewise.
4457         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
4458         Likewise.  Also make these functions static.
4459         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
4460         (xtensa_const_ok_for_letter_p): New.
4461         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4462         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4463         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4464         move_operand, const_float_1_operand, fpmem_offset_operand,
4465         branch_operator, ubranch_operator, boolean_operator): Move to
4466         predicates.md.
4467         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
4468         (xtensa_mem_offset): Change return type to bool.
4469         (xtensa_extra_constraint): New.
4470         (gen_int_relational): Update type of const_range_p function pointer.
4471         Use xtensa_b4const_or_zero.
4472         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
4473         xtensa_const_ok_for_letter_p.  Update comments.
4474         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
4475         (PREDICATE_CODES): Delete.
4476         * config/xtensa/xtensa.md: Include predicates.md.
4477         * config/xtensa/predicates.md: New file.
4478
4479 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4480
4481         * config/v850/v850-protos.h: Remove the prototypes for
4482         reg_or_int9_operand, reg_or_const_operand,
4483         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
4484         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
4485         movsi_source_operand, power_of_two_operand,
4486         not_power_of_two_operand, special_symbolref_operand,
4487         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
4488         register_is_ok_for_epilogue.
4489         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
4490         reg_or_int9_operand, reg_or_const_operand,
4491         call_address_operand, special_symbolref_operand,
4492         movsi_source_operand, power_of_two_operand,
4493         not_power_of_two_operand, register_is_ok_for_epilogue,
4494         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
4495         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
4496         predicates.md.
4497         * config/v850/v850.h (PREDICATE_CODES): Remove.
4498         * config/v850/v850.md: Include predicates.md.
4499         * config/v850/predicates.md: New.
4500
4501 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
4502
4503         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
4504         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4505         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
4506         (itoolsdir, itoolsdatadir): Move definition above new first use.
4507         (install-itoolsdirs): New rule.
4508         (install-mkheaders): Depend on install-itoolsdirs, not
4509         install-include-dir.
4510
4511 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4512
4513         * tree-into-ssa.c: Remove obsolete comments.
4514
4515 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
4516
4517         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
4518         unrolling if -fpeel-loops is specified, too.
4519         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4520         Remove superfluous check for flag_unroll_loops.
4521
4522 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
4523
4524         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4525         (lrint_optab, llrint_optab): Define corresponding macros.
4526         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4527         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4528         pattern and llrint_optab using llrintdi2 patterns.
4529         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4530         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4531         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4532         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4533         flag_unsafe_math_optimizations is set.
4534
4535 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4536
4537         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4538         simplify_logical, if_then_else_cond, known_cond,
4539         simplify_comparison): Adjust calls to reverse_comparison.
4540         Don't use combine_reversed_comparison_code).
4541         (combine_reversed_comparison_code): Remove.
4542         (reversed_comparison): Using reversed_comparison_code, move it...
4543         * jump.c (reversed_comparison): ... here.
4544         * rtl.h (reversed_comparison): Add prototype.
4545
4546 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4547
4548         * builtins.c (fold_builtin): Take decomposed arguments of
4549         CALL_EXPR.
4550         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4551         * gimplify.c (gimplify_call_expr): Likewise.
4552         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4553         * tree.h: Update the prototype of fold_builtin.
4554
4555 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4556
4557         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4558         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4559         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4560         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4561         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4562
4563 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4564
4565         * builtins.c (fold_builtin_1): Take decomposed arguments of
4566         CALL_EXPR.
4567         (fold_builtin): Update a call to fold_builtin_1.
4568
4569 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4570
4571         PR other/20564
4572         * gcov.c (output_lines): Only output function block summary when
4573         outputting branch information.
4574         * doc/gcov.texi: Document format of preamble and additional block
4575         information lines.
4576
4577 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4578
4579         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4580         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4581         the defaults false if BITS_PER_UNIT != 8.
4582         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4583         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4584         than BITS_PER_UNIT != 8.
4585         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4586         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4587         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4588         #undefs.
4589         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4590         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4591
4592 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4593
4594         PR middle-end/20539
4595         * fold-const.c (fold_binary): Fix type mismatch between
4596         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4597         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4598         for non-truth-valued expressions.
4599
4600         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4601         and FUNCTION_DECL in the main switch.
4602         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4603         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4604         we also need to convert their operands to match.
4605         <TRUTH_NOT_EXPR>: Likewise.
4606
4607 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4608
4609         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4610         diagnostic without checking whether an lvalue.
4611         * c-common.h (lvalue_p): Remove.
4612         (enum lvalue_use): Update comment.
4613         (lvalue_or_else): Replace by lvalue_error.
4614         * c-typeck.c (lvalue_p): Make static.
4615         (lvalue_or_else): New.  Call lvalue_error.
4616
4617 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4618
4619         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4620         (function_arg_advance): Use rs6000_parm_start.
4621         (function_arg, rs6000_arg_partial_bytes): Likewise.
4622
4623 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4624
4625         * c-common.c (check_case_value): Adjust comment about stripping
4626         NOPs.
4627         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4628         * c-typeck.c (default_conversion, convert_arguments,
4629         build_modify_expr, convert_for_assignment, store_init_value,
4630         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4631         manually.  Remove inaccurate comments.
4632
4633 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4634             Joseph S. Myers  <joseph@codesourcery.com>
4635
4636         * varasm.c (do_assemble_alias): Restore comment describing function.
4637         Annotate the target parameter as potentially unused.
4638
4639 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4640
4641         PR target/18551
4642         * config/avr/avr.c (avr_output_function_prologue): Do not use
4643         current_function_name() in a label, use a local label instead.
4644
4645 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4646
4647         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4648         flag_finite_math_only, not flag_unsafe_math_optimizations.
4649
4650 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4651
4652         * builtins.c (fold_builtin_1): Update a call to
4653         targetm.fold_builtin.
4654         * hooks.c (hook_tree_tree_bool_null): Rename to
4655         hook_tree_tree_tree_bool_null.  Take one more argument of type
4656         tree.
4657         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4658         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4659         hook_tree_tree_tree_bool_null.
4660         * target.h (gcc_target): Update the prototype of fold_builtin.
4661         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4662         arguments of CALL_EXPR.
4663         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4664         new prototype.
4665
4666 2005-03-20  Jan Hubicka  <jh@suse.cz>
4667
4668         * cgraph.h (cgraph_node): Add prev_clone pointer.
4669         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4670         (cgraph_clone_node): Produce doubly linked chain.
4671
4672 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4673
4674         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4675         get_nonnull_operand, handle_sentinel_attribute,
4676         check_function_arguments_recurse): Do not strip NOPS from
4677         INTEGER_CSTs.
4678         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4679         Likewise.
4680         * c-format.c (get_constant): Likewise.
4681         * c-parser.c (c_parser_postfix_expression): Likewise.
4682         * c-typeck.c (set_init_index): Likewise.
4683         (convert_arguments): Don't check for NOP_EXPR containing integer
4684         constant.
4685
4686 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4687
4688         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4689         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4690         Take decomposed arguments of CALL_EXPR.
4691         (fold_builtin_1): Update calls to the functions mentioned
4692         above.
4693
4694 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4695
4696         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4697         width to have integer type.
4698         (build_enumerator): Require enumerator value to have integer type.
4699
4700 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4701
4702         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4703         to __builtin_inff.
4704
4705 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4706
4707         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4708         std=iso9899:199x): Correct descriptions.
4709
4710 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4711
4712         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4713         solaris2.1[0-9].
4714
4715 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4716
4717         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4718         of CALL_EXPR.
4719         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4720         fold_builtin_memcpy.
4721
4722         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4723         arguments of CALL_EXPR.
4724         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4725         fold_builtin_found, fold_builtin_1): Update calls to
4726         fold_trunc_transparent_mathfn.
4727
4728 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4729
4730         PR middle-end/20493
4731         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4732         function pointers on targets that require function pointer
4733         canonicalization.
4734         (fold_sign_changed_comparison): Likewise.
4735
4736 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4737
4738         * combine.c (try_combine): When changing the mode of a hard reg, make
4739         sure that doing so is valid.
4740
4741 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4742
4743         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4744         (TARGET_HANDLE_OPTION): Override default.
4745         (avr_handle_option): New function.
4746         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4747         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4748         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4749         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4750         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4751         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4752         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4753         (TARGET_OPTIONS): Delete.
4754         * config/avr/avr.opt: New file.
4755
4756 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4757
4758         * config/m32r/m32r-protos.h: Remove the prototypes for
4759         call_address_operand, symbolic_operand, seth_add3_operand,
4760         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4761         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4762         two_insn_const_operand, move_src_operand,
4763         move_double_src_operand, move_dest_operand,
4764         eqne_comparison_operator, signed_comparison_operator,
4765         large_insn_p, conditional_move_operand, carry_compare_operand,
4766         m32r_block_immediate_operand, extend_operand,
4767         reg_or_eq_int16_operand, int8_operand, and
4768         reg_or_zero_operand.
4769         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4770         seth_add3_operand, int8_operand, cmp_int16_operand,
4771         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4772         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4773         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4774         move_double_src_operand, move_dest_operand,
4775         eqne_comparison_operator, signed_comparison_operator,
4776         extend_operand, small_insn_p, large_insn_p,
4777         conditional_move_operand, carry_compare_operand,
4778         m32r_block_immediate_operand): Move to predicates.md.
4779         (MAX_MOVE_BYTES): Move to m32r.h.
4780         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4781         * config/m32r/m32r.md: Include predicates.md.
4782         * config/m32r/predicates.md: New.
4783
4784 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4785
4786         PR c++/19769
4787         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4788         origin.
4789
4790 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4791
4792         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4793         call_address_operand, const_8bit_operand.
4794         * config/mn10300/mn10300.c (call_address_operand,
4795         const_8bit_operand, const_1f_operand): Move to predicates.md.
4796         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4797         * config/mn10300/mn10300.md: Include predicates.md.
4798         * config/mn10300/predicates.md: New.
4799
4800 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4801
4802         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4803         declarations in diagnostics and %E for identifiers, not %s.
4804
4805 2005-03-18  Jan Hubicka  <jh@suse.cz>
4806             Dale Johannesen  <dalej@apple.com>
4807
4808         * basic-block.h (scale_bbs_frequencies_int,
4809         scale_bbs_frequencies_gcov_type): Declare.
4810         * cfg.c (RDIV): New macro.
4811         (update_bb_frequency_for_threading): Fix.
4812         * basic-block.h (scale_bbs_frequencies_int,
4813         scale_bbs_frequencies_gcov_type): New.
4814         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4815         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4816         scale_bbs_frequencies_int.
4817         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4818
4819 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4820
4821         * config/m32r/m32r-protos.h: Remove the prototypes for
4822         call_address_operand, symbolic_operand, seth_add3_operand,
4823         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4824         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4825         two_insn_const_operand, move_src_operand,
4826         move_double_src_operand, move_dest_operand,
4827         eqne_comparison_operator, signed_comparison_operator,
4828         large_insn_p, conditional_move_operand, carry_compare_operand,
4829         m32r_block_immediate_operand, extend_operand,
4830         reg_or_eq_int16_operand, int8_operand, and
4831         reg_or_zero_operand.
4832         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4833         seth_add3_operand, int8_operand, cmp_int16_operand,
4834         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4835         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4836         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4837         move_double_src_operand, move_dest_operand,
4838         eqne_comparison_operator, signed_comparison_operator,
4839         extend_operand, small_insn_p, large_insn_p,
4840         conditional_move_operand, carry_compare_operand,
4841         m32r_block_immediate_operand): Move to predicates.md.
4842         (MAX_MOVE_BYTES): Move to m32r.h.
4843         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4844         * config/m32r/m32r.md: Include predicates.md.
4845         * config/m32r/predicates.md: New.
4846
4847         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4848         shadd_constant_p.
4849         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4850         symbolic_operand, symbolic_memory_operand,
4851         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4852         indexed_memory_operand, move_dest_operand, move_src_operand,
4853         prefetch_cc_operand, prefetch_nocc_operand,
4854         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4855         arith_operand, arith11_operand, pre_cint_operand,
4856         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4857         ireg_operand, int5_operand, uint5_operand, int11_operand,
4858         uint32_operand, arith5_operand, and_operand, ior_operand,
4859         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4860         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4861         shadd_operand, movb_comparison_operator,
4862         cmpib_comparison_operator): Move to predicates.md.
4863         (magic_milli, shadd_constant_p): Make it extern.
4864         * config/pa/pa.h (PREDICATE_CODES): Remove.
4865         * config/pa/pa.md: Include predicates.md.
4866         * config/pa/predicates.md: New.
4867
4868         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4869         predicate.
4870
4871 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4872
4873         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4874         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4875         config/alpha/freebsd.h, config/alpha/linux.h,
4876         config/alpha/netbsd.h, config/alpha/osf5.h,
4877         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4878         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4879         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4880         doc/cppopts.texi: Update copyright.
4881
4882 2005-03-18  Jan Hubicka  <jh@suse.cz>
4883
4884         PR middle-end/20225
4885         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4886         too late.
4887         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4888         called too late.
4889
4890 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4891
4892         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4893         VEC_safe_push.
4894
4895 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4896
4897         * combine.c (gen_binary): Remove.
4898         (known_cond, simplify_shift_const, find_split_point,
4899         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4900         simplify_logical, expand_field_assignment, extract_left_shift,
4901         force_to_mode, if_then_else_cond, apply_distributive_law,
4902         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4903         simplify_comparison, reversed_comparison): Replace with
4904         simplify_gen_binary, simplify_gen_relational or
4905         distribute_and_simplify_rtx.
4906         (distribute_and_simplify_rtx): New function.
4907
4908 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4909             Paolo Bonzini  <gcc.gnu.org>
4910
4911         * calls.c (setjmp_call_p, special_function_p): Update comments
4912         at the head of the functions.
4913
4914 2005-03-18  Jan Hubicka  <jh@suse.cz>
4915
4916         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4917
4918         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4919         function body should be released; do not proactively release function
4920         bodies in non-unit-at-a-time mode.
4921
4922 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4923
4924         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4925         mno-fp-ret-in-387 multilib variants.
4926
4927 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4928
4929         * common.opt (m): Remove.
4930         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4931         table lookup fails.
4932         (common_handle_option): Remove OPT_m case.
4933
4934 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4935
4936         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4937         of CALL_EXPR.
4938         (fold_builtin_1): Update a call to fold_builtin_bitop.
4939
4940         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4941         of CALL_EXPR.
4942         (fold_builtin_1): Update a call to fold_builtin_signbit.
4943
4944 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4945
4946         PR tree-optimization/20474
4947         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4948         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4949
4950 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4951
4952         * config/h8300/h8300-protos.h: Remove prototypes for
4953         general_operand_src, general_operand_dst, single_one_operand,
4954         single_zero_operand, call_insn_operand,
4955         two_insn_adds_subs_operand, small_call_insn_operand,
4956         jump_address_operand, bit_operand, bit_memory_operand,
4957         stack_pointer_operand, const_int_gt_2_operand,
4958         const_int_ge_8_operand, const_int_qi_operand,
4959         const_int_hi_operand, incdec_operand, bit_operator,
4960         nshift_operator, eqne_operator, gtle_operator,
4961         gtuleu_operator, iorxor_operator.
4962         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4963         h8300_ldm_stm_parallel.
4964         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4965         h8300-protos.h.
4966         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4967         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4968         (h8300_ldm_stm_parallel): Make it extern.
4969         (h8300_ldm_parallel, h8300_stm_parallel,
4970         h8300_return_parallel, general_operand_src,
4971         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4972         nibble_operand, reg_or_nibble_operand, single_one_operand,
4973         single_zero_operand, call_insn_operand,
4974         two_insn_adds_subs_operand, small_call_insn_operand,
4975         jump_address_operand, bit_operand, bit_memory_operand,
4976         stack_pointer_operand, const_int_gt_2_operand,
4977         const_int_ge_8_operand, const_int_qi_operand,
4978         const_int_hi_operand, incdec_operand, eqne_operator,
4979         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4980         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4981         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4982         nshift_operator): Move to predicates.md.
4983         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4984         * config/h8300/h8300.md: Include predicates.md.
4985         * config/h8300/predicates.md: New.
4986
4987 2005-03-17  Richard Henderson  <rth@redhat.com>
4988
4989         * config.gcc (ia64*-*-hpux*): Add extra_options.
4990         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4991         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4992         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4993         (ia64_tls_size_string, ia64_tune_string): Remove.
4994         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4995         (TARGET_DEFAULT_TARGET_FLAGS): New.
4996         (TARGET_HANDLE_OPTION): New.
4997         (ia64_override_options): Move options parsing ...
4998         (ia64_handle_option): ... here.  New.
4999         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
5000         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
5001         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
5002         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
5003         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
5004         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
5005         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
5006         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
5007         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
5008         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
5009         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
5010         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
5011         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
5012         TARGET_EARLY_STOP_BITS): Remove.
5013         (TARGET_ILP32): Default false.
5014         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
5015         (enum ia64_inline_type): New.
5016         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5017         * config/ia64/ia64.md: Update for new definitions of
5018         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
5019         * config/ia64/ia64.opt: New file.
5020         * config/ia64/ilp32.opt: New file.
5021
5022 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5023
5024         PR target/18380
5025         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
5026
5027 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
5028
5029         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
5030         instead of MASK_H8300S.
5031         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
5032         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
5033         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
5034         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
5035         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
5036         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
5037         TARGET_SWITCHES): Remove.
5038         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
5039         TARGET_H8300SX.
5040         * config/h8300/h8300.opt: New.
5041
5042         * config/alpha/alpha.opt, config/arc/arc.opt,
5043         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
5044         notices.
5045
5046 2005-03-17  Ian Lance Taylor  <ian@airs.com>
5047
5048         * gmon.c: Remove.
5049
5050 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
5051
5052         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
5053         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
5054         (TARGET_HANDLE_OPTION): Override default.
5055         (arc_handle_option): New function.
5056         (arc_init): Remove code to set arch_cpu_string.
5057         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
5058         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
5059         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
5060         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
5061         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
5062         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
5063         (arc_rodata_string, TARGET_OPTIONS): Delete.
5064         * config/arc/arc.opt: New file.
5065
5066 2005-03-17  Richard Henderson  <rth@redhat.com>
5067
5068         * doc/extend.texi (Weak Pragmas): New section.
5069         (attribute alias): Clarify that target must be in the same
5070         translation unit.
5071
5072 2005-03-17  Richard Henderson  <rth@redhat.com>
5073
5074         * config/alpha/alpha.opt: New file.
5075         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
5076         of alpha_cpu.
5077         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
5078         alpha_fprm_string, alpha_fptm_string): Make static.
5079         (alpha_tls_size_string): Remove.
5080         (alpha_handle_option): New.
5081         (override_options): Update for alpha_cpu/alpha_tune split.
5082         (alpha_file_start): Likewise.
5083         (TARGET_DEFAULT_TARGET_FLAGS): New.
5084         (TARGET_HANDLE_OPTION): New.
5085         * config/alpha/alpha.h (alpha_tune): Declare.
5086         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
5087         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
5088         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
5089         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
5090         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
5091         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
5092         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
5093         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
5094         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
5095         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
5096         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
5097         (TARGET_DEFAULT): Remove MASK_FP.
5098         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
5099         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
5100         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
5101         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
5102         alpha_tls_size_string): Remove.
5103         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
5104         (attribute tune): Rename from attribute cpu.
5105         * config/alpha/ev4.md: Update to match.
5106         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
5107         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
5108         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
5109         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
5110         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
5111         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
5112
5113 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
5114
5115         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
5116         and return without creating new state if before_nops_num is nonzero.
5117         * config/ia64/ia64.md (first_insn): New attribute.
5118         (alloc): Set it to yes.
5119
5120 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5121
5122         * tree-vectorizer.c (new_vec_stmt_info): Initialize
5123         STMT_VINFO_SUBVARS to NULL.
5124         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5125
5126 2005-03-16 Dale Johannesen  <dalej@apple.com>
5127
5128         * rtlanal.c (find_first_parameter_load):  Rewrite to
5129         return actual first param load or the call if none,
5130         instead of first in block, when not all loads exist.
5131
5132 2005-03-16  Roger Sayle  <roger@eyesopen.com>
5133
5134         * optabs.c (expand_copysign_absneg): Make static.
5135         * optabs.h (expand_copysign_absneg): Delete prototype.
5136         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
5137
5138 2005-03-16  Richard Henderson  <rth@redhat.com>
5139
5140         PR middle-end/15700
5141         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
5142         (alias_pairs): Rename from output_defs.
5143         (find_decl_and_mark_needed): Split out from assemble_alias.
5144         (do_assemble_alias): New.
5145         (assemble_output_def): Remove.
5146         (finish_aliases_1, finish_aliases_2): New.
5147         (process_pending_assemble_output_defs): Remove.
5148         (assemble_alias): Defer aliases for which we don't yet have a
5149         non-external decl for the target symbol.
5150         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5151         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5152         * toplev.c (compile_file): Use finish_aliases_2 instead of
5153         process_pending_assemble_output_defs.
5154         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5155         (process_pending_assemble_output_defs): Remove.
5156
5157 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5158
5159         Fix PR tree-optimization/20489
5160
5161         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5162         for empty structures.
5163
5164 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5165
5166         Fix PR tree-optimization/20490
5167
5168         * tree-ssa-pre.c (create_expression_by_pieces): Use
5169         force_gimple_operand on result of fold.
5170
5171 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
5172
5173         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5174         of closing parenthesis.
5175
5176 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5177
5178         * builtins.c (expand_movstr): Update a call to
5179         fold_builtin_strcpy.
5180         (expand_builtin_strncpy): Update a call to
5181         fold_builtin_strncpy.
5182         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5183         arguments of CALL_EXPR.
5184         (fold_builtin_1): Update calls to fold_builtin_strcpy and
5185         fold_builtin_strncpy.
5186         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5187         * tree.h: Update the prototypes of fold_builtin_strcpy and
5188         fold_builtin_strncpy.
5189
5190 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5191             Dorit Naishlos  <dorit@il.ibm.com>
5192
5193         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5194         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5195         error.
5196
5197 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5198
5199         * tree-inline.c (walk_type_fields, walk_tree,
5200         walk_tree_without_duplicates): Move from here...
5201         * tree.c: ...to here.
5202
5203 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
5204
5205         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5206         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5207         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5208         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5209         (version): Define using $(BASEVER_c).
5210         (Makefile, config.status, build/gcov-iov.o): No longer depends on
5211         version.c.
5212         (version.o): Depend on version files; add custom generation command.
5213         (prefix.o): Define BASEVER on command line.
5214         (s-iov): Depend on version files; adjust command.
5215         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5216         Add gcc-vers.texi.
5217         (gcc-vers.texi): New rule.
5218         (doc/%.info, doc/%.dvi): Add -I . to command line.
5219         (doc/gccinstall.dvi): Likewise.
5220         (PACKAGE): Delete.  All uses replaced with "gcc".
5221         * aclocal.m4: Do not include gcc-version.m4.
5222         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5223         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5224         Set is_release based on contents of DEV-PHASE.
5225         Set gcc_version based on contents of BASE-VER.
5226         Define WIN32_REGISTRY_KEY only if the user overrode the default.
5227         * config.in, configure: Regenerate.
5228         * gccbug.in: Determine version of GCC in use at runtime.
5229         * gcov-iov.c: Get version number and development phase from
5230         command line, not by including version.c.
5231         * intl.c: Replace all uses of PACKAGE with "gcc".
5232         * libada-mk.in: Delete unused "gcc_version" variable.
5233         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5234         * version.c: (VERSUFFIX): New hook for redistributors; adjust
5235         commentary to match.
5236         (version_string): Put together from pieces.
5237         * config/alpha/x-vms: Do not use $(gcc_version).
5238         * config/i386/t-nwld: Likewise.
5239         * doc/include/gcc-common.texi: Include gcc-vers.texi for
5240         version-GCC and DEVELOPMENT.
5241
5242 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5243
5244         PR tree-optimization/17454
5245         * tree.c (tree_size): Add case for TREE_BINFO.
5246         * fold-const.c (fold_checksum_tree): Only clear the overloaded
5247         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
5248
5249 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5250
5251         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
5252         op1 whilst expanding the signed widenening multiply variant.
5253
5254 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
5255
5256         * toplev.c (display_target_options): Avoid unused variable warning if
5257         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
5258         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
5259         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
5260         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
5261         (mips_isa_info): New variable.
5262         (mips_parse_cpu): Remove the first argument and leave the caller
5263         to report errors.
5264         (TARGET_HANDLE_OPTION): Override default.
5265         (mips_handle_option): New function.  Move option validation code from...
5266         (override_options): ...here.  Update calls to mips_parse_cpu.
5267         * config/mips/mips.h (mips_arch_string, mips_tune_string)
5268         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
5269         (SUBTARGET_TARGET_OPTIONS): Delete.
5270         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
5271         (mno-flush-func, mtune=): New options.
5272
5273 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5274             Richard Henderson  <rth@redhat.com>
5275
5276         * real.c (c4x_single_format, c4x_extended_format): Provide values
5277         for signbit_ro for c4x's single and extended floating point formats.
5278         * optabs.c (expand_copysign): Use the floating point format's
5279         signbit_ro for expanding via expand_copysign_absneg, and it's
5280         signbit_rw field for expanding via expand_copysign_bit.
5281
5282 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
5283
5284         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
5285         known_alignment_for_access_p.
5286         (known_alignment_for_access_p): New.
5287         (do_peeling_for_alignment): Field made int instead of bool and renamed
5288         to peeling_for_alignment.
5289         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
5290         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
5291         functionality used to be in vect_analyze_operations.
5292         (vect_analyze_operations): Code to determine vectorization factor was
5293         moved to vect_determine_vectorization_factor.
5294         (vect_enhance_data_refs_alignment): Update to correct alignment when it
5295         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
5296         factor.
5297         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
5298         be part of vect_analyze_operations).
5299         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
5300         creating the guard condition, as the number of iterations may be
5301         constant.
5302         (slpeel_tree_peel_loop_to_edge): Use new name of
5303         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
5304         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
5305         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
5306         (vect_do_peeling_for_alignment): Use fold.
5307         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
5308
5309         (vect_update_inits_of_dr): Renamed to
5310         vect_update_init_of_dr.
5311         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
5312         (vectorizable_store): Fix assertion to use == instead of =.
5313
5314 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
5315
5316         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
5317         call_used_regs for wCG registers.
5318
5319 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
5320
5321         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5322         for non-offsettable memory references to cope with outstanding reload
5323         replacements, take 2.
5324
5325 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
5326
5327         PR target/18668
5328         * config/i386/i386.h (x86_fisttp): New.
5329         (TARGET_FISTTP): New macro.
5330         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
5331         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
5332         instruction when fisttp flag is set.
5333         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
5334
5335         * config/i386/i386.md (type attribute): Add fisttp.
5336         (unit attribute): Set to i387 for fisttp type.
5337         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
5338         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
5339         TARGET_FISTTP.
5340         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
5341         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
5342         macros.
5343         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
5344         patterns for TARGET_FISTTP.  Enable patterns for
5345         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
5346         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
5347         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
5348         implement fisttp x87 insn.
5349         (fix_trunc*_i387_fisttp splitters): New patterns.
5350         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
5351         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
5352         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
5353         clobber.
5354         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
5355         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
5356         Implement using mode macros. Disable patterns for TARGET_FISTTP.
5357         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
5358         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
5359         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
5360         Disable patterns for TARGET_FISTTP.
5361         (fix_trunc*_i387 splitters): Implement usign mode macros.
5362         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
5363         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
5364         (fix_trunx*_sse peephole2s): Implement using mode macros.
5365
5366 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
5367
5368         PR rtl-optimization/20291
5369         * combine.c (try_combine): If splitting fails, re-try with
5370         original combined pattern, i.e. before clobber stripping.
5371
5372 2005-03-14  Eric Christopher  <echristo@redhat.com>
5373
5374         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
5375         STACK_GROWS_DOWNWARD.
5376
5377 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5378
5379         * real.h (struct real_format): Split the signbit field into two
5380         two fields, signbit_ro and signbit_rw.
5381         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
5382         mips_double_format, ieee_extended_motorola_format,
5383         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
5384         ieee_extended_intel_128_format, ibm_extended_format,
5385         mips_extended_format, ieee_quad_format, mips_quad_format,
5386         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
5387         i370_double_format, c4x_single_format, c4x_extended_format,
5388         real_internal_format): Update initializers for new field.
5389         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
5390         real_format structure.
5391         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
5392         field of the real_format structure.
5393
5394 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
5395
5396         Fix PR tree-optimization/20458
5397
5398         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
5399         DECL_EXTERNAL on STRUCT_FIELD tags.
5400         (clear_call_clobbered): Ditto.
5401         * tree-ssa-operands.c (note_addressable): Make sure the original
5402         variable doesn't slip into the addressable list if we have
5403         subvars.
5404         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
5405         tags too.
5406
5407 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
5408
5409         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
5410         (-fwide-exec-charset): Likewise.
5411         (-finput-charset): Likewise.
5412         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
5413         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
5414         * c.opt (Wnormalized): New.
5415
5416 2005-03-14  Devang Patel  <dpatel@apple.com>
5417
5418         * doc/invoke.texi: Add reference to Visibility document.
5419
5420 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5421
5422         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
5423         MASK_SPLIT_ADDRESSES.
5424         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
5425         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
5426         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
5427         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
5428         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
5429         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
5430         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
5431         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
5432         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
5433         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
5434         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
5435         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
5436         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
5437         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
5438         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
5439         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
5440         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
5441         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
5442         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
5443         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
5444         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
5445         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
5446         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
5447         (TARGET_EXPLICIT_RELOCS): Delete.
5448         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
5449         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
5450         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5451         (override_options): Set MASK_LONG64 if -mint64 is given and no
5452         -mlongXX option is.  Complain about -mint64 -mlong32.
5453         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
5454         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
5455         * config/mips/mips.opt: New file.
5456
5457 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5458
5459         * config.gcc (extra_options): New variable for listing option files.
5460         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
5461         * configure.ac (extra_opt_files): New AC_SUBST variable.
5462         (tm_file_list, tm_include_list): Include options.h first.
5463         * configure: Regenerate.
5464         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
5465         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
5466         (s-options-h): New rule.
5467         (options.h): Depend on it.
5468         (TEXI_GCCINT_FILES): Add options.texi.
5469         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
5470         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
5471         * target.h (gcc_target): Add default_target_flags and handle_option.
5472         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
5473         (TARGET_HANDLE_OPTION): New macros.
5474         (TARGET_INITIALIZER): Include them.
5475         * opt-functions.awk (opt_args, nth_arg): New functions.
5476         (switch_flags): Handle the "Target" flag.
5477         (var_args): Delete.
5478         (var_name): Use opt_args and nth_arg.
5479         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
5480         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
5481         macros for the "Mask" and "InverseMask" options.
5482         * opts.h (cl_var_cond): New enum.
5483         (cl_option): Replace the "has_set_value" and "set_value" fields with
5484         "var_cond" and "var_value".
5485         (CL_TARGET): New macro.
5486         (option_enabled, print_filtered_help): Declare.
5487         (decode_options): Move definition.
5488         * opts.c (handle_option): Search for the original option before
5489         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
5490         var_cond and var_value fields.  Use targetm.handle_option to handle
5491         target options.
5492         (decode_options): Set target_flags to targetm.default_target_flags.
5493         (print_filtered_help): Make global.  Handle CL_TARGET.
5494         (option_enabled): New function.
5495         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
5496         (display_target_options, set_target_switch, print_switch_values)
5497         (default_pch_valid_p): Guard uses of target_switches with
5498         #ifdef TARGET_SWITCHES.  Also...
5499         (display_target_options): Display the CL_TARGET entries in cl_options.
5500         (set_target_option): Don't complain about the "" option when
5501         TARGET_SWITCHES is undefined.
5502         (print_switch_values): Use option_enabled.
5503         (default_pch_valid_p): Check cl_options[] when looking for something
5504         that has changed the value of target_flags.
5505         * c.opt: Remove documentation from top of file.
5506         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
5507         * doc/sourecebuild.texi: Refer to the new options documentation
5508         instead of c.opt.  Document machine-specific .opt files.
5509         * doc/tm.texi (target_flags): Say that this variable is declared
5510         by options.h.
5511         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
5512         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
5513         an alternative.
5514         * doc/options.texi: New file.
5515
5516 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5517
5518         PR middle-end/18628
5519         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
5520         register.
5521
5522 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5523
5524         PR c++/20280
5525         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5526         temporary variable of pointer type if an lvalues is required.
5527         (gimplify_modify_expr_rhs): Request an rvalue from it.
5528         (gimplify_expr): Pass fallback on.
5529
5530 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5531
5532         * cfgbuild.c: Update comments.
5533
5534 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5535
5536         PR rtl-optimization/17236
5537         * optabs.c (expand_doubleword_mult): New helper function split out
5538         from expand_binop.  Permute the order in which instructions are
5539         emitted to minimize the number of simultaneously live registers.
5540         (expand_binop): Call expand_doubleword_mult to synthesize a double
5541         word multiplication.
5542
5543 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5544
5545         * basic-block.h: Update the prototypes of cached_make_edge and
5546         rtl_make_eh_edge.
5547         * cfg.c (cached_make_edge): Take edge_cache representing one
5548         row of the adjacency matrix of edges.
5549         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5550         (make_edges): Initialize edge_cache to represent one row of
5551         the adjacency matrix of edges.
5552
5553 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5554
5555         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5556         New functions.
5557         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5558         Remove unused removed_phis variable.
5559         (conditional_replacement): Use build1/build2.
5560         (abs_replacement): Use last_and_only_stmt and build1/build2.
5561
5562 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5563
5564         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5565         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5566         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5567         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5568         * c-common.c (handle_novops_attribute): New function.
5569         (c_common_attribute_table): Add "no vops" entry.
5570         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5571         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5572         * tree-ssa-operands.c (get_call_expr_operands): Do not
5573         create virtual operands for calls with ECF_NOVOPS flag.
5574         * tree.h (DECL_IS_NOVOPS): New macro.
5575         (struct tree_decl): Add novops_flag.
5576         (ECF_NOVOPS): New constant.
5577
5578 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5579
5580         PR target/17688
5581         * config/i386/i386.c (x86_use_himode_fiop): New.
5582         (x86_use_simode_fiop): Rename from x86_use_fiop.
5583         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5584         (TARGET_USE_HIMODE_FIOP): New.
5585         (x86_use_simode_fiop): Rename from x86_use_fiop.
5586         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5587
5588         * config/i386/i386.md (X87MODEI12): New mode macro define.
5589         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5590         to implement x87 FP compare with HImode input operands.
5591         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5592         Use X87MODEI12 mode macro to handle HImode input operands.
5593         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5594         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5595         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5596         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5597         macro to implement x87 operators with HImode input operands.
5598         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5599         input operands.
5600
5601 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5602
5603         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5604         integer_zerop.
5605         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5606         constants invariant.
5607
5608 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5609
5610         * basic-block.h (BB_VISITED): Removed.
5611         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5612
5613 2005-03-14  Falk Hueffner  <falk@debian.org>
5614
5615         PR bootstrap/20424
5616         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5617
5618 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5619
5620         * ggc-zone.c: Fix comment typos.
5621
5622         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5623         stringpool.c, config/mips/mips-protos.h: Update copyright.
5624
5625 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5626
5627         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5628         throughout with its typedef, "rtx".
5629         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5630         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5631         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5632         regs in comment to match code.
5633
5634 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5635
5636         * except.c (check_handled): Make it static.
5637         * except.h: Remove the corresponding prototype.
5638
5639         * function.c (get_func_frame_size): Make it static.
5640         * function.h: Remove the corresponding type.
5641
5642         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5643         Make them static.
5644         * hard-reg-set.h: Remove the corresponding declarations.
5645
5646         * tree-cfg.c (verify_stmts): Check that
5647         bb_for_stmt (stmt) == bb for every PHI node and statement.
5648
5649 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5650
5651         * config.gcc: Remove excess indentation.
5652         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5653
5654 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5655
5656         PR middle-end/19331
5657         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5658         * fold-const.c (fold_sign_changed_comparison): Likewise.
5659         (fold_binary): Optimize comparisons against widened operands if
5660         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5661
5662 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5663
5664         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5665         (sparc_override_options): Initialize it.
5666         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5667
5668 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5669
5670         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5671         (reg_or_none500mem_operand): New predicate.
5672         (zero_reg_mem_operand): New predicate.
5673         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5674         to reg_or_none500mem_operand.
5675         (extendsfdf2_fpr): Add MEM alternative.
5676         (extenddftf2_internal): Change operand2 predicate to
5677         zero_reg_mem_operand.
5678
5679 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5680
5681         * ggc-zone.c: Rewritten.
5682
5683         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5684         if there are none.
5685         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5686         * config.in: Regenerated.
5687         * configure: Regenerated.
5688         * gengtype.c (write_types_process_field, write_func_for_structure):
5689         Pass new argument to gt_pch_note_object.
5690         * ggc-common.c (struct ptr_data): Add TYPE.
5691         (gt_pch_note_object): Take TYPE argument and save it.
5692         (call_count): Update call to ggc_pch_count_object.
5693         (call_alloc): Update call to ggc_pch_alloc_object.
5694         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5695         file.
5696         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5697         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5698         (ggc_alloc_zone_stat): Delete.
5699         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5700         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5701         (ggc_pch_alloc_object): Update prototypes.
5702         (garbage_zone): Delete.
5703         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5704         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5705         pointers.
5706         (tree_id_zone): New variable.
5707         (ggc_alloc_cleared_zone): Remove unused.
5708         (ggc_alloc_zone): Define.
5709         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5710         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5711         ggc_alloc_zone_stat.
5712         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5713         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5714         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5715         (make_node_stat): Likewise.  Use tree_id_zone.
5716
5717 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5718             Joseph S. Myers  <joseph@codesourcery.com>
5719
5720         * configure.ac: Check for MIPS TLS.
5721         * configure: Regenerated.
5722         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5723         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5724         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5725         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5726         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5727         (mips_classify_symbol, mips_symbolic_constant_p)
5728         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5729         (mips_tls_operand_p, mips_call_tls_get_addr)
5730         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5731         (mips_tls_symbol_ref_1): New functions.
5732         (mips_legitimize_address, mips_legitimize_const_move): Call
5733         mips_legitimize_tls_address.
5734         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5735         for MIPS16.
5736         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5737         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5738         (mips_char_to_class): Document V1_REG.
5739         (HAVE_AS_TLS): Provide default.
5740         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5741         constants.
5742         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5743         !TARGET_ABICALLS.
5744         (tls_get_tp_<mode>): New instruction.
5745
5746 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5747
5748         * configure.ac: Update checks for target tools.
5749         * configure: Regenerated.
5750
5751 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5752
5753         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5754
5755 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5756
5757         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5758         more classes of DImode multiplication by constant.  Allow both
5759         multiplication by small negative constants (by performing a
5760         multiplication by a positive constant and negating the result) and
5761         multiplications by large powers of two, by using a left shift.
5762
5763 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5764
5765         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5766         of basic blocks into work_stack.
5767
5768         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5769         config/mips/vr.h: Update copyright.
5770
5771         * c-decl.c (c_init_decl_processing): Remove useless calls to
5772         build_function_type.
5773
5774         * builtins.c (fold_trunc_transparent_mathfn,
5775         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5776         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5777         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5778         fold_builtin_strcpy, fold_builtin_strncpy,
5779         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5780         TREE_TYPE (exp).
5781
5782         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5783         before_call.
5784
5785         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5786         variable determinant.
5787
5788         * tree-cfg.c (group_case_labels): Remove local variable type.
5789
5790         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5791         variable ann.
5792
5793         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5794         result.
5795
5796 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5797
5798         PR target/18251
5799         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5800         (*movmemqi_insn): Delete.
5801         (*movmemhi): Delete.
5802
5803 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5804
5805         * builtins.c (fold_builtin_classify): Take decomposed
5806         arguments of CALL_EXPR.
5807         (fold_builtin_1): Update a call to fold_builtin_classify.
5808
5809 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5810
5811         PR c/20402
5812         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5813         through into call to parser_xref_tag after parse error.
5814         (c_parser_struct_declaration): Consistently return NULL_TREE on
5815         error.
5816
5817 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5818
5819         * tree-flow-inline.h (ref_contains_array_ref): New function.
5820         (lookup_subvars_for_var): Ditto.
5821         (get_subvars_for_var): Ditto.
5822         (var_can_have_subvars): Ditto.
5823
5824         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5825         (struct subvar): New type.
5826
5827         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5828
5829         * tree-optimize.c (init_tree_optimization_passes): Call
5830         pass_create_structure_vars.
5831
5832         * tree-ssa-alias.c: Include vec.h.
5833         (init_alias_info): Don't auto-clear call clobbered on struct-field
5834         tags.
5835         (compute_flow_insensitive_aliasing): Handle subvars.
5836         (group_aliases): Handle STRUCT_FIELD aliases.
5837         (setup_pointers_and_addressables): Ditto.
5838         Don't mark variables non-addressable if they still have
5839         addressable subvars.
5840         Also mark subvars addressable when the real variable is marked
5841         addressable.
5842         (add_pointed_to_var): Try to prune the pointed-to set by only
5843         pointing to subvars when possible.
5844         Otherwise, make sure we set addresses_needed and pt_vars to
5845         properly include subvars.
5846         (bitpos_of_field): New function.
5847         (push_fields_onto_fieldstack): Ditto.
5848         (get_or_create_used_part_for): Ditto.
5849         (create_overlap_variables_for): Ditto.
5850         (find_used_portions): Ditto.
5851         (create_structure_vars): Ditto.
5852         (pass_create_structure_vars): New structure.
5853
5854         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5855         (get_expr_operands): Handle subvars.  Also try to turn
5856         COMPONENT_REF accesses into must-defs now that we can accurately
5857         portray it.
5858         (note_addressable): Try to only mark as addressable those subvars
5859         we know a COMPONENT_REF touches.
5860         (overlap_subvar): New function.
5861
5862         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5863         Handle subvar storing.
5864         (vect_address_analysis): Update caller of vect_object_analysis.
5865
5866         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5867
5868         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5869         (STMT_VINFO_SUBVARS): New macro.
5870
5871         * common.opts: add flag_tree_salias.
5872
5873         * opts.c (decode_options): flag_tree_salias defaults to on.
5874
5875         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5876
5877         * doc/tree-ssa.texi: Document structural alias analysis.
5878
5879 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5880
5881         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5882         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5883         * tree-ssa-operands.c (get_expr_operands): Likewise.
5884         (get_expr_operands): Likewise for ERROR_MARK.
5885
5886 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5887
5888         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5889         var.
5890
5891         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5892         removed_phis.
5893
5894         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5895         (mark_operand_necessary): Remove local variable ver.
5896
5897         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5898         variable prefix_len.
5899
5900         * value-prof.c (mod_subtract_transform): Remove local variable
5901         value.
5902
5903         * builtins.c (fold_builtin_exponent): Take decomposed
5904         arguments of CALL_EXPR.
5905         (fold_builtin_1): Update a call to fold_builtin_exponent.
5906
5907         * builtins.c (fold_builtin_logarithm): Take decomposed
5908         arguments of CALL_EXPR.
5909         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5910
5911         * c-decl.c (c_init_decl_processing): Remove local variables
5912         ptr_ftype_void and ptr_ftype_ptr.
5913
5914         * gimplify.c (gimplify_expr): Remove local variables r0 and
5915         r1.
5916
5917         * reg-stack.c (move_for_stack_reg): Remove local variable
5918         push_insn.
5919         (compare_for_stack_reg): Remove local variable flags_user.
5920         (convert_regs_1): Remove local variable deleted.
5921
5922         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5923         variable new_cond.
5924         (combine_blocks): Remove local variables exits and new_e.
5925
5926         * tree-inline.c (expand_call_inline): Remove local variable
5927         decl.
5928
5929         * tree-ssa-live.c (create_ssa_var_map,
5930         calculate_live_on_entry): Remove local variable snn.
5931
5932 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5933
5934         * c-lex.c (c_lex_with_flags): Add parameter to call to
5935         cpp_spell_token.
5936
5937 2005-03-11  Per Bothner  <per@bothner.com>
5938
5939         * c-tree.h (struct c_declarator): New id_loc field.
5940         * c-pragma.h (c_lex_with_flags): Take position reference.
5941         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5942         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5943         (c_lex): Pass dummy location to c_lex_with_flags.
5944         * c-parser.c (c_lex_one_token): Set c_token's location using
5945         c_lex_with_flags, instead of input_location, which might be "ahead".
5946         (c_parser_direct_declarator): Set declarator's id_loc from
5947         c_token's id_loc.
5948         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5949         declarator's id_loc, rather than probably-imprecise input_location.
5950         (build_id_declarator): Initialize c_declarator's id_loc field.
5951
5952 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5953
5954         PR middle-end/20419
5955         * builtins.c (expand_builtin_signbit): Force the signbit's word
5956         into an integer register to avoid SUBREGs of floating point modes.
5957
5958 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5959
5960         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5961         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5962         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5963         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5964
5965 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5966
5967         PR rtl-optimization/20306
5968         * expr.c (emit_move_complex): Set try_int false if mode is
5969         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5970         emit_block_move if try_int is true.
5971
5972 2005-03-11  Richard Henderson  <rth@redhat.com>
5973
5974         PR target/20415
5975         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5976         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5977         to match.
5978
5979 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5980
5981         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5982         (TARGET_FIX_VR4130): New macro.
5983         (TARGET_OPTIONS): Add -mfix-vr4130.
5984         (ISA_HAS_MACCHI): New macro.
5985         (ASM_SPEC): Add -mfix-vr4130.
5986         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5987         (override_options): Handle mips_fix_vr4130_string.
5988         (mips_avoid_hazards): Clear all_noreorder_p
5989         if we're working around VR4130 errata and the macc alternatives
5990         are not available.
5991         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5992         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5993         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5994         (MULTILIB_DEFAULTS): Remove leading "march=".
5995         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5996         if no architecture option is given.
5997         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5998         VR4130 multilibs.
5999         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
6000         * doc/invoke.texi: Document -mfix-vr4130.
6001
6002 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
6003
6004         * config/mips/mips.c (override_options): Only warn about -mint64
6005         deprecation if TARGET_INT64.
6006
6007 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6008
6009         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
6010         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
6011         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
6012         are non-specific regarding the nonnull parameter positions.
6013         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
6014         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
6015         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
6016         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
6017
6018         * builtins.def: Use the non-specific "nonnull" attibute lists.
6019
6020 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
6021
6022         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6023         single_pred_edge, single_succ, single_pred): Improve comments.
6024
6025 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
6026
6027         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6028         single_pred_edge, single_succ, single_pred): New inline functions.
6029         * bb-reorder.c (rotate_loop, find_traces_1_round,
6030         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
6031         duplicate_computed_gotos): Use the single_succ/pred functions.
6032         * cfganal.c (forwarder_block_p): Ditto.
6033         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
6034         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6035         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
6036         merge_seq_blocks): Ditto.
6037         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
6038         * cfglayout.c (fixup_reorder_chain): Ditto.
6039         * cfgloop.c (mark_single_exit_loops, update_latch_info,
6040         canonicalize_loop_headers, verify_loop_structure): Ditto.
6041         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
6042         mfb_update_loops, create_preheader, force_single_succ_latches,
6043         create_loop_notes): Ditto.
6044         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
6045         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
6046         commit_one_edge_insertion, purge_dead_edges,
6047         cfg_layout_can_merge_blocks_p): Ditto.
6048         * except.c (sjlj_emit_function_enter): Ditto.
6049         * flow.c (init_propagate_block_info): Ditto.
6050         * function.c (thread_prologue_and_epilogue_insns): Ditto.
6051         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
6052         insert_insn_end_bb): Ditto.
6053         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
6054         find_if_case_2): Ditto.
6055         * lambda-code.c (perfect_nestify): Ditto.
6056         * lcm.c (optimize_mode_switching): Ditto.
6057         * loop-doloop.c (doloop_modify): Ditto.
6058         * loop-init.c (loop_optimizer_init): Ditto.
6059         * loop-iv.c (simplify_using_initial_values): Ditto.
6060         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
6061         * loop-unswitch.c (unswitch_loop): Ditto.
6062         * modulo-sched.c (generate_prolog_epilog): Ditto.
6063         * predict.c (combine_predictions_for_insn, estimate_probability,
6064         tree_estimate_probability, last_basic_block_p,
6065         estimate_bb_frequencies): Ditto.
6066         * profile.c (branch_prob): Ditto.
6067         * regrename.c (copyprop_hardreg_forward): Ditto.
6068         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
6069         * tracer.c (layout_superblocks): Ditto.
6070         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
6071         cfg_remove_useless_stmts_bb, cleanup_control_flow,
6072         cleanup_control_expr_graph, disband_implicit_edges,
6073         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
6074         tree_verify_flow_info, tree_make_forwarder_block,
6075         tree_forwarder_block_p, remove_forwarder_block,
6076         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
6077         * tree-if-conv.c (tree_if_conversion): Ditto.
6078         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6079         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
6080         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
6081         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6082         copy_loop_headers): Ditto.
6083         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
6084         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
6085         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
6086         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
6087         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
6088         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
6089         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
6090         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
6091         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
6092         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
6093         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
6094         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
6095         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
6096         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
6097         slpeel_add_loop_guard): Ditto.
6098
6099 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
6100
6101         PR tree-optimization/15784
6102         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6103         and -1 - A to ~A.
6104
6105         * stmt.c (expand_case): Don't change index_type.  Convert minval
6106         to the proper type.
6107
6108         PR tree-optimization/20130
6109         * fold-const.c (fold): Fold x * -1 into -x.
6110
6111 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6112
6113         PR rtl-optimization/20331
6114         * rtlanal.c (modified_between_p): Check its address first for MEM.
6115         (modified_in_p): Likewise.
6116
6117 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
6118
6119         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
6120
6121 2005-03-10  Steven Bosscher  <stevenb@suse.de>
6122
6123         * expr.c (expand_expr_real_1): If possible, use a conditional
6124         move for expanding MIN_EXPR and MAX_EXPR.
6125         Use temp for moving around rtx-en.
6126
6127 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
6128
6129         PR rtl-opt/20412
6130         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
6131         correct mode.
6132
6133 2005-03-10  Roger Sayle  <roger@eyesopen.com>
6134
6135         * builtins.c (expand_builtin_signbit): Extend to handle floating
6136         point modes wider than the largest integer type, using the
6137         operand_subword_force function to obtain the signbit's word.
6138
6139 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6140
6141         PR target/20322
6142         * combine.c (try_combine): If recog_for_combine added CLOBBERs
6143         to NEWI2PAT, fail to combine if they are used by NEWPAT.
6144
6145 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
6146
6147         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6148
6149 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
6150
6151         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6152         type void.
6153         (perform_edge_inserts): Unconditionally call
6154         free_dominator_info.
6155
6156         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6157
6158 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
6159
6160         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6161
6162 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
6163
6164         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6165
6166         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6167         gcc_unreachable.
6168         (rtl_register_value_prof_hooks,
6169         tree_value_profile_transformations,
6170         tree_register_value_prof_hooks): Likewise.
6171         * var-tracking.c (stack_adjust_offset_pre_post,
6172         variable_htab_free, variable_union, dataflow_set_different_2,
6173         count_uses, variable_was_changed, set_frame_base_location,
6174         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6175         vt_add_function_parameters): Likewise.
6176         * varasm.c (named_section_real, named_section, make_decl_rtl,
6177         asm_emit_uninitialised, assemble_integer, decode_addr_const,
6178         const_hash_1, compare_constant, copy_constant, force_const_mem,
6179         output_constant_pool_2, output_constant_pool_1, output_constant,
6180         output_constructor, make_decl_one_only, decl_tls_model,
6181         default_no_named_section, default_elf_select_section_1,
6182         default_unique_section_1): Likewise.
6183         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6184         * vmsdbgout.c (addr_const_to_string): Likewise.
6185
6186         PR c++/20375
6187         * function.c (struct assign_parm_data_one): Remove last_named
6188         field.
6189         (assign_parm_find_data_types): Don't determine last_named.
6190         Reorder named_parm determination.
6191         (assign_parms): Only setup varargs on the last non-varadic
6192         parameter.
6193
6194 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
6195
6196         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
6197         sda base address on medium model.
6198
6199 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
6200
6201         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6202         * cfgloop.c (flow_loop_nodes_find): Export.
6203         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6204         Declare.
6205         * cfgloopmanip.c (fix_loop_structure): New function.
6206         * predict.c (predict_loops): Clean up the loops information.
6207         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6208         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6209         loop structure.
6210         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6211         (rewrite_into_loop_closed_ssa): Declaration changed.
6212         * tree-loop-linear.c (linear_transform_loops): Add argument to
6213         rewrite_into_loop_closed_ssa call.
6214         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6215         * tree-ssa-loop-im.c (move_computations): Ditto.
6216         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6217         * tree-vectorizer.c (vectorize_loops): Ditto.
6218         * tree-optimize.c: Include cfgloop.h.
6219         (execute_todo): Choose whether to call cleanup_tree_cfg or
6220         cleanup_tree_cfg_loop.
6221         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6222         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6223         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6224         cleanup_tree_cfg_loop call.
6225         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6226         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6227         work on part of cfg.
6228
6229 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6230
6231         PR inline-asm/20314
6232         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6233         with multiple alternatives.
6234
6235         * stmt.c (parse_output_constraint): Fix a typo.
6236
6237 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
6238
6239         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6240         assembly directive instead of deprecated "no-generics".
6241
6242 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
6243
6244         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6245         for non-offsettable memory references to cope with outstanding reload
6246         replacements.
6247         * config/s390/s390.md ("reload_outti"): Call find_replacement to
6248         avoid losing outstanding address reloads.
6249         ("reload_outdi", "reload_outdf"): Likewise.
6250
6251 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6252
6253         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
6254         code.  Add more cbrt transformations.
6255
6256 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6257
6258         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
6259
6260 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6261
6262         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
6263         NULL_TREE when a given tree is not simplified.
6264         (fold): Return the original tree when any of the functions
6265         mentioned above NULL_TREE.
6266
6267         * fold-const.c (fold_unary, fold_binary): Take decomposed
6268         arguments, code, type, op0, and op1 in case of fold_binary.
6269         (fold): Update calls to fold_unary and fold_binary.
6270
6271 2005-03-09  Roger Sayle  <roger@eyesopen.com>
6272
6273         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
6274         a fndecl and an arglist instead of a CALL_EXPR, exp.
6275
6276 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6277
6278         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
6279
6280         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
6281
6282         * expr.c (expand_assignment): Remove orig_to_rtx.
6283
6284         * fold-const.c (int_const_binop): Remove no_overflow.
6285
6286         * ifcvt.c (noce_emit_move_insn): Remove inmode.
6287
6288         * loop-iv.c (get_biv_step_1): Remove lhs.
6289
6290         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
6291
6292         * real.c (real_nan): Remove neg.
6293
6294         * function.c (thread_prologue_and_epilogue_insns): Remove i
6295         and newinsn.
6296
6297         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
6298         tb.
6299
6300         * tree-eh.c (tree_could_trap_p): Remove idx.
6301
6302         * tree-into-ssa.c (ann): Remove ann.
6303
6304         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
6305
6306         * tree-sra.c (decide_block_copy): Remove inst_count.
6307
6308         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
6309
6310         * tree-ssa-loop-im.c (lhs): Remove.
6311
6312         * cfgbuild.c (state, STATE, SET_STATE,
6313         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
6314         make_edges.
6315         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
6316         (find_basic_blocks): Set the state of each basic block to
6317         BLOCK_NEW.
6318
6319 2005-03-08  Jeff Law  <law@redhat.com>
6320
6321         * tree-cfg.c (cleanup_control_flow): If removal of a computed
6322         goto results in the removal of edges in the CFG, then we need
6323         to recompute dominators.
6324
6325 2005-03-09  Ben Elliston  <bje@au.ibm.com>
6326
6327         * c-common.c (c_do_switch_warnings): Comment fix.
6328
6329 2005-03-08  Julian Brown  <julian@codesourcery.com>
6330
6331         * Patch from 2005-03-08 reverted for causing regressions and
6332         ppc-darwin bootstrap failure.
6333
6334 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
6335
6336         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
6337         Define the real function for ppc-darwin.
6338         * c-typeck.c (convert_arguments): Check for target-specific
6339         invalid argument call to unprototyped function.
6340         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6341         New Macro.
6342         * target.h (invalid_arg_for_unprototyped_fn): New field
6343         in struct calls.
6344         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
6345         default target hook.
6346         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
6347         Declare.
6348
6349 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6350
6351         * c-typeck.c (constructor_stack, constructor_range_stack,
6352         initializer_stack): Make them static.
6353
6354         * cfg.c (rbi_pool): Make it static.
6355
6356         * gimple-low.c (lower_stmt_body): Make it static.
6357         * tree-flow.h: Remove the corresponding prototype.  Don't
6358         declare lower_data.
6359
6360         * sched-deps.c (cache_size): Make it static.
6361
6362         * stor-layout.c (lang_adjust_rli): Make it static.
6363
6364 2005-03-08  Julian Brown  <julian@codesourcery.com>
6365
6366         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6367         from being used for symbols with vague linkage when
6368         HAVE_GAS_COMDAT_GROUP is true.
6369
6370 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
6371
6372         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
6373         nlabel == JUMP_LABEL (jump).
6374
6375 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6376
6377         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
6378         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
6379         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
6380         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
6381
6382 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
6383
6384         PR c/14411
6385         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
6386         * c-common.c (handle_returns_twice): New function.
6387         (c_common_attribute_table): Declare eturns_twice' attribute.
6388         * doc/extend.texi: Document eturns_twice' attribute.
6389         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
6390         (struct tree_decl): Add returns_twice_flag.
6391
6392 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6393
6394         * tree-ssa-phiopt.c: Fix a comment typo.
6395
6396         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
6397         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
6398         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
6399         copyright.
6400
6401 2005-03-08  Richard Henderson  <rth@redhat.com>
6402
6403         * config/alpha/alpha.c (code_for_builtin): Replace special-case
6404         builtin codes with ctzdi2, clzdi2, popcountdi2.
6405         (struct alpha_builtin_def): Add is_const.
6406         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
6407         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
6408         (alpha_init_builtins): Init them.  Set nothrow and const attributes
6409         on builtins.
6410         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
6411         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
6412         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
6413         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
6414         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
6415         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
6416         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
6417         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
6418         (TARGET_FOLD_BUILTIN): New.
6419         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
6420         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
6421         (ffsdi2): Use ctz.
6422         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
6423
6424 2005-03-08  Ira Rosen  <irar@il.ibm.com>
6425
6426         PR tree-optimization/20122
6427         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
6428         condition of access function instead of base.
6429
6430 2005-03-07  Jeff Law  <law@redhat.com>
6431             Steven Bosscher  <stevenb@suse.de>
6432
6433         * tree-cfg.c (find_taken_edge_computed_goto): New function.
6434         (find_taken_edge): Call find_taken_edge_computed_goto as
6435         appropriate.  Allow any gimple invariant rather than just
6436         INTEGER_CST for VAL.
6437         (cleanup_control_flow): Cleanup a computed goto which has turned
6438         into a simple goto.
6439         (tree_merge_blocks): If block B has any forced labels, move
6440         them to the start of block A.
6441         * tree-ssa-dom.c (thread_across_edge): Allow threading across
6442         computed gotos as well.
6443         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
6444         removal of unnecessary computed gotos too.
6445         (lookup_redirection_data): Fix type of INSERT argument.  Callers
6446         updated.
6447
6448 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6449
6450         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
6451         Remove trailing spaces.
6452
6453         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
6454         unshare_all_trees): Make them static.
6455         * tree-gimple.h: Remove the corresponding prototypes.
6456
6457         * diagnostic.h: Remove unused prototype
6458         debug_output_buffer.
6459         * modulo-sched.c: Remove unused prototype
6460         set_row_column_for_ps.
6461
6462         * tree-ssa-phiopt.c (tree_ssa_phiopt,
6463         replace_phi_edge_with_variable): Remove unused variable i.
6464
6465 2005-03-07  Per Bothner  <per@bothner.com>
6466
6467         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
6468
6469 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
6470
6471         PR tree-opt/17671
6472         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
6473         bbs on the COND_EXPR instead of the PHI_NODEs.
6474         (candidate_bb_for_phi_optimization): Remove.
6475         (replace_phi_with_stmt): Rename to ...
6476         (replace_phi_edge_with_variable): this and change so that we
6477         replace the phi argument instead of removing the PHI.
6478         (conditional_replacement): Change so we deal with PHI with more
6479         than two arguments.
6480         (value_replacement): Likewise.
6481         (abs_replacement): Likewise.
6482
6483 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
6484
6485         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
6486         output_e500_flip_gt_bit.
6487
6488         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
6489         as bit 31.
6490         (rs6000_generate_compare): Fix logic to look at the correct bits.
6491         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
6492         Look at GT bit.
6493         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
6494         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
6495         gen_move_from_CR_gt_bit.
6496
6497         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
6498         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
6499         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
6500
6501         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
6502         (E500_CR_IOR_COMPARE): New constant.
6503
6504 2005-03-08  Earl Chew <earl_chew@agilent.com>
6505             David Billinghurst <David.Billinghurst@riotinto.com>
6506
6507         * config/i386/host-cygwin.c: New file to support precompiled
6508         headers on cygwin
6509         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
6510         * config.host: Use above files for cygwin host.
6511
6512 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
6513
6514         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
6515         ordering ops from earlier change.
6516
6517 2005-03-07  Per Bothner  <per@bothner.com>
6518
6519         Various fixes to allow us to again build if --enable-mapped-location:
6520         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
6521         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
6522         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
6523         local variable loc. Change logic appropriately.
6524         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6525         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6526         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6527         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6528         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6529
6530 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6531
6532         PR rtl-optimization/19683
6533         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6534         number of bytes, to smallest_int_for_mode.  Fix arguments to
6535         REG_CANNOT_CHANGE_MODE_P.
6536
6537 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6538
6539         * reorg.c (relax_delay_slots): Check that the jump is
6540         conditional before trying to invert it.
6541
6542 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6543
6544         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6545         Make them static.
6546
6547         * calls (stack_arg_under_construction): Make it static.
6548
6549         * flow.c (regs_live_at_setjmp): Make it static.
6550         * flow.h: Remove the corresponding prototype.
6551
6552         * reload1.c (reload_startobj, reload_firstobj,
6553         something_needs_operands_changed, reload_inherited,
6554         reload_inheritance_insn, reload_override_in,
6555         reload_spill_index): Make them static.
6556
6557         * recog.c (verify_changes): Make it static.
6558         * recog.h: Remove the corresponding prototype.
6559
6560         * cfgbuild.c (find_sub_basic_blocks): Remove.
6561         * basic-block.h: Remove the corresponding prototype.
6562         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6563         in comments.
6564         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6565
6566         * tree-ssa-operands.c (check_build_stmt): Remove.
6567
6568         * stor-layout.c (set_alignment): Remove.
6569         * tree.h: Remove the corresponding prototype.
6570
6571         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6572
6573         * tree-ssa-dce.c (control_dependence_map,
6574         visited_control_parents): Make them static.
6575
6576         * cfghooks.c (verify_flow_info): Remove local variable
6577         num_bb_notes.
6578
6579         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6580         last_bb_seen.
6581
6582         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6583
6584 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6585
6586         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6587
6588 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6589
6590         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6591         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6592         PARALLEL for an empty structure.
6593
6594 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6595
6596         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6597
6598         * fold-const.c (fold_binary): Unroll the very first "for"
6599         loop.
6600
6601 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6602
6603         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6604         redundant match_code test.
6605         (scc_comparison_operator): Swap match_operand and match_code
6606         tests.
6607         (branch_positive_comparison_operator): Same.
6608         (trap_comparison_operator): Use comparison_operator and swap with
6609         match_code test.
6610
6611 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6612
6613         PR target/20288
6614         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6615         (out_movhi_r_mr): Read low byte of volatile MEM first.
6616         (out_movhi_mr_r): Write high byte of volatile MEM first.
6617
6618 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6619
6620         * cselib.c (reg_values, reg_values_size): Make them static.
6621
6622         * cse.c (cse_reg_info_table): Make it static.
6623
6624         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6625
6626 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6627
6628         * cse.c (find_best_addr): Use canon_for_address.
6629
6630 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6631
6632         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6633         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6634         SUBREG and MEM, respectively.
6635
6636         * fold-const.c (fold_binary): Use code instead of t.
6637
6638         * fold-const.c (optimize_minmax_comparison): Take decomposed
6639         arguments code, type, op0, and op1 instead of t.
6640         (fold_binary): Update a call to optimize_minmax_comparison.
6641
6642         * fold-const.c (fold_range_test): Take decomposed arguments
6643         code, type, op0, and op1 instead of t.
6644         (fold_binary): Update a call to fold_range_test.
6645
6646         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6647         decomposed arguments code, type, op0, and op1 instead of t.
6648         (fold_binary): Update a call to fold_range_test.
6649
6650 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6651
6652         * fold-const.c (fold_binary): Avoid directly using the original
6653         expression t as much as possible.
6654
6655 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6656
6657         * c-semantics.c (build_stmt): Use TYPE_P instead of
6658         IS_NON_TYPE_CODE_CLASS.
6659         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6660         (NON_TYPE_CHECK): Use TYPE_P instead of
6661         IS_NON_TYPE_CODE_CLASS.
6662
6663         * fold-const.c (fold): Remove handling of binary expressions.
6664
6665 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6666
6667         * doc/c-tree.texi: Wrap comments in @r{}.
6668         * doc/cpp.texi: Likewise.
6669         * doc/cppinternals.texi: Likewise.
6670         * doc/extend.texi: Likewise.
6671         * doc/md.texi: Likewise.
6672         * doc/objc.texi: Likewise.
6673         * doc/sourcebuild.texi: Likewise.
6674         * doc/tm.texi: Likewise.
6675         * doc/tree-ssa.texi
6676
6677 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6678
6679         * predict.c (apply_return_prediction): Standardize PHI chain
6680         walking.
6681         * tree-ssa.c (ssa_redirect_edge): Likewise.
6682
6683         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6684         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6685         Update copyright.
6686
6687         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6688         * tree-flow.h: Adjust the prototype for remove_phi_node.
6689         * lambda-code.c (perfect_nestify): Adjust a call to
6690         remove_phi_node.
6691         * tree-cfg.c
6692         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6693         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6694         Likewise.
6695         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6696         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6697         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6698         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6699
6700         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6701         of GEN_INT (trunc_int_for_mode (...)).
6702         * loop-iv.c (iv_number_of_iterations): Likewise.
6703         * postreload.c (reload_cse_move2add): Likewise.
6704         * simplify-rtx.c (simplify_const_unary_operation,
6705         simplify_const_binary_operation): Likewise.
6706         * stor-layout.c (get_mode_bounds): Likewise.
6707
6708         * fold-const.c (fold_binary): New.
6709         (fold): Call fold_binary on binary expressions.
6710
6711 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6712
6713         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6714         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6715         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6716         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6717         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6718
6719 2005-03-04  Devang Patel  <dpatel@apple.com>
6720
6721         PR tree-optimization/18815
6722         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6723         loops with zero exit edges.
6724
6725 2005-03-04  Devang Patel  <dpatel@apple.com>
6726
6727         * doc/invoke.texi: Remove reference to webpage that does not exist.
6728
6729 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6730             Joseph S. Myers  <joseph@codesourcery.com>
6731
6732         PR c++/19797
6733         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6734         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6735         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6736         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6737         maybe_get_identifier instead of get_identifier.
6738         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6739         (struct deferred_plabel): Replace name field with symbol field.
6740         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6741         ASM_OUTPUT_EXTERNAL_REAL is defined.
6742         (output_global_address): Use output_addr_const for output of all
6743         symbol_refs.
6744         (output_deferred_plabels): Use symbol_ref instead of name for address
6745         output.
6746         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6747         ASM_OUTPUT_SYMBOL_REF): New macros.
6748         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6749         comment.
6750         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6751         label.
6752
6753 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6754
6755         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6756         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6757
6758 2005-03-04  Jeff Law  <law@redhat.com>
6759
6760         * basic-block.h (rediscover_loops_after_threading): Declare.
6761         * tree-ssa-dom.c: Include cfgloop.h.
6762         (tree_ssa_dominator_optimize): Discover loops and some basic
6763         properties.  Remove forwarder blocks recreated by loop header
6764         canonicalization.  Also mark backedges in the CFG.
6765         * tree-ssa-threadupdate.c: Include cfgloop.h
6766         (rediscover_loops_after_threading): Define.
6767         (struct local_info): New field, JUMP_THREADED.
6768         (prune_undesirable_thread_requests): New function.
6769         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6770         then record that fact for the callers of redirct_edges.
6771         (thread_block): If BB has incoming backedges, then call
6772         prune_undesirable_thraed_requests.    Note when we are
6773         going to have to rediscover loop information.  Return a
6774         boolean indicating if any jumps were threaded.
6775         (thread_through_all_blocks): Bubble up boolean indicating
6776         if any jumps were threaded.
6777         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6778         (tree-ssa-threadupdate.o): Similarly.
6779
6780 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6781
6782         * fold-const.c (fold_ternary): Unroll the "for" loop to
6783         extract operands.
6784
6785 2005-03-04  Andrew Haley  <aph@redhat.com>
6786
6787         * unwind-dw2-fde-glibc.c (struct
6788         unw_eh_callback_data.check_cache): New field.
6789         (frame_hdr_cache): New.
6790         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6791         Cache frame header info.
6792
6793 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6794
6795         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6796         (print_c_condition): Declare.
6797         * read-rtl.c (ptr_loc): New structure.
6798         (ptr_locs, ptr_loc_obstack, joined_conditions)
6799         (joined_conditions_obstack): New variables.
6800         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6801         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6802         (join_c_conditions, print_c_condition): New functions.
6803         (apply_macro_to_string): Associate the new string with the same
6804         source location as the old one.
6805         (add_condition_to_string): Use join_c_conditions.
6806         (read_string): Use set_rtx_ptr_loc to record a filename and line
6807         number for the string.
6808         (read_rtx): Initialize the new variables above.
6809         * genattrtab.c (write_test_expr, write_attr_value): Use
6810         print_c_condition.
6811         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6812         comment above the GCC_VERSION check.
6813         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6814         Inline the definition of MAYBE_EVAL.
6815         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6816         * genoutput.c (process_template): Likewise.
6817         * genpreds.c (write_predicate_subfunction): Likewise.
6818         (write_predicate_expr): Use print_c_condition.
6819         * genrecog.c (write_cond): Likewise.
6820         * gensupport.c (process_rtx): Use join_c_conditions to join the
6821         conditions of a define_insn_and_split.  Record a source location
6822         for the string after the "&&".
6823         (alter_test_for_insn): Use join_c_conditions.
6824
6825 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6826
6827         Revert for now:
6828         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6829         PR tree-optimization/15784
6830         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6831         and -1 - A to ~A.
6832
6833 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6834
6835         * gcc.c (option_map): Add --coverage.
6836         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6837         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6838         * config/darwin.h: Pass -lgcov for `coverage'.
6839         * doc/invoke.texi (Debugging Options): Document --coverage.
6840
6841 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6842
6843         * gcse.c (bypass_block): Use find_edge wherever possible.
6844
6845 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6846
6847         Fix PR debug/20253
6848
6849         * c-opts.c (c_common_parse_file): Call start_source_file
6850         and end_source_file at the approriate times.
6851
6852         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6853         the main file, it will be done for us now.
6854
6855 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6856
6857         * fold-const.c (fold_ternary): New.
6858         (fold): Call fold_ternary on ternary expressions.  Remove
6859         handling of ternary expressions.
6860
6861 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6862
6863         PR tree-optimization/15784
6864         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6865         and -1 - A to ~A.
6866
6867 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6868
6869         * config/rs6000/predicates.md (branch_comparison_operator):
6870         Convert from C block to conditional format.
6871
6872 2005-03-03  Jan Hubicka  <jh@suse.cz>
6873
6874         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6875         and non-constant public variables.
6876
6877 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6878
6879         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6880         with LABEL_EXPR.
6881
6882         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6883         EDGE_I.
6884
6885         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6886         calls to release_ssa_name and release_phi_node.
6887
6888         * fold-const.c (fold): Remove handling of unary expressions.
6889
6890         * fold-const.c (fold_unary): Avoid directly using the original
6891         expression t as much as possible.
6892
6893 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6894             Andrew Pinski  <pinskia@physics.uc.edu>
6895
6896         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6897         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6898
6899 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6900
6901         Describe special registers SRP and MOF as allocatable registers.
6902         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6903         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6904         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6905         TARGET_HAS_MUL_INSNS.
6906         (cris_print_operand) <case 'd'>: New case.
6907         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6908         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6909         define.
6910         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6911         (REG_ALLOC_ORDER): Update for MOF.
6912         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6913         SPECIAL_REGS.
6914         (GENERAL_REGS): No longer a define of ALL_REGS.
6915         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6916         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6917         Adjust accordingly.
6918         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6919         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6920         (SECONDARY_RELOAD_CLASS): Define.
6921         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6922         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6923         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6924         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6925         (REGISTER_MOVE_COST): Define.
6926         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6927         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6928         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6929         (CRIS_MOF_REGNUM): New define_constants.
6930         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6931         special registers.
6932         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6933         New patterns.
6934         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6935         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6936         Adjust for MOF being properly described as a register.
6937         (indir_to_reg_split): Name this split.  Conditionalize on the
6938         destination register being a general register.
6939         (movei): Conditionalize on on operands 0 and 1 having the same
6940         register class.
6941
6942 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6943
6944         PR target/20277
6945         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6946         -mcpu to override any other explicitly given flags.
6947
6948 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6949
6950         * recog.c (verify_changes, confirm_change_group): New functions,
6951         broken out of apply_change_group.
6952         (apply_change_group): Use them.
6953         * recog.h (verify_change, confirm_change_group): Declare.
6954         * rtl.h (redirect_jump_2): Declare.
6955         * jump.c (redirect_exp, invert_exp): Delete.
6956         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6957         (redirect_jump_2): New function, broken out of redirect_jump.
6958         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6959         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6960         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6961
6962 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6963
6964         * varasm.c (named_section): Use xstrdup rather than doing it by
6965         hand.
6966
6967         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6968
6969 2005-03-02  Devang Patel  <dpatel@apple.com>
6970
6971         Undo PR tree-optimization/18815 fix.
6972
6973 2005-03-02  Devang Patel  <dpatel@apple.com>
6974
6975         PR tree-optimization/18815
6976         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6977         loops with zero exit edges.
6978
6979 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6980
6981         * cfg.c (connect_src, connect_dest, disconnect_src,
6982         disconnct_dest): New.
6983         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6984         redirect_edge_pred): Use the new functions.
6985
6986         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6987         free_dominance_info only when needed.
6988
6989 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6990
6991         PR target/20276
6992         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6993         (reg_or_sub_cint64_operand): Same.
6994
6995 2005-03-02  Jeff Law  <law@redhat.com>
6996
6997         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6998         CFG_ALTERED in the main DOM iteration loop.
6999
7000 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
7001
7002         PR c++/19916
7003         * varasm.c (initializer_constant_valid_p): Allow conversions
7004         between OFFSET_TYPEs.  Tidy.
7005
7006 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
7007
7008         * config/cris/cris.md ("return"): Remove epilogue delay list
7009         sanity check.
7010
7011 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
7012
7013         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
7014         for Thumb.
7015         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
7016
7017 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7018
7019         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
7020         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
7021         config/m68k/m68k.c, config/mips/mips.h,
7022         config/rs6000/rs6000-protos.h, doc/contrib.texi,
7023         doc/include/gcc-common.texi: Update copyright.
7024
7025         PR middle-end/18029 and PR middle-end/18030
7026         * expr.c (optimize_bitfield_assignment_op): Add a special case
7027         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
7028
7029         * fold-const.c (fold_unary): New.
7030         (fold): Call fold_unary on unary expressions.
7031
7032 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
7033
7034         * cgraph.h (struct cgraph_edge): Add prev_caller and
7035         prev_callee fields.
7036         (cgraph_node_remove_callees): Export.
7037         * cgraph.c (cgraph_create_edge): Initialize prev_caller
7038         and prev_callee.
7039         (cgraph_edge_remove_callee): New function.
7040         (cgraph_edge_remove_caller): Likewise.
7041         (cgraph_remove_edge): Use.
7042         (cgraph_redirect_edge_callee): Likewise.
7043         (cgraph_node_remove_callees): New function.
7044         (cgraph_node_remove_callers): Likewise.
7045         (cgraph_remove_node): Use.
7046         * tree-optimize.c (tree_rest_of_compilation): Use
7047         cgraph_node_remove_callees instead of manual loop.
7048         * cgraphunit.c (cgraph_finalize_function): Likewise.
7049         (cgraph_expand_function): Likewise.
7050         (cgraph_remove_unreachable_nodes): Likewise.
7051
7052 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
7053
7054         PR c/8927
7055         * c-tree.h (undeclared_variable, build_external_ref): Add extra
7056         argument.
7057         * c-decl.c (undeclared_variable): Take location as argument.
7058         * c-typeck.c (build_external_ref): Likewise.
7059         * c-parser.c (c_parser_postfix_expression): Pass location of
7060         identifier to build_external_ref.
7061
7062 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7063
7064         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
7065         CCEQ mode for branch_positive_comparison_operator test.
7066         * config/rs6000/predicates (branch_comparison_operator): Revert to
7067         define_predicate.
7068         (scc_comparison_operator): Same.
7069         (branch_positive_comparison_operator): Same.
7070
7071 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
7072
7073         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
7074         (cris_delay_slots_for_epilogue): Remove.
7075         (save_last): Move into cris_target_asm_function_epilogue.
7076         (cris_target_asm_function_epilogue): Remove tests for file being
7077         NULL.
7078         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
7079         (cris_delay_slots_for_epilogue): Remove prototypes.
7080         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
7081         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
7082
7083 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7084
7085         * config/rs6000/predicates.md (branch_comparison_operator): Change
7086         to define_special_predicate.
7087         (scc_comparison_operator): Same.
7088         (branch_positive_comparison_operator): Same.
7089
7090 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
7091
7092         * Makefile.in (tree-ssa-sink.o): New.
7093         (OBJS-common): Add tree-ssa-sink.o.
7094         * common.opt: Add -ftree-sink
7095         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7096         * timevar.def (TV_TREE_SINK): new timevar.
7097         * tree-flow.h (is_hidden_global_store): Prototype.
7098         * tree-optimize.c (init_tree_optimization_passes): Add
7099         pass_sink_code.
7100         * tree-pass.h (pass_sink_code): New.
7101         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
7102         for non-obvious global store store to is_hidden_global_store, and
7103         call that new function.
7104         * tree-ssa-sink.c: New file.
7105         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
7106         * doc/passes.texi: Document forward store motion.
7107         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
7108         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
7109         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
7110         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
7111
7112 2005-03-01  Per Bothner  <per@bothner.com>
7113
7114         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
7115         and we have a non-zero column-number, add it to the message.
7116         Also factor out the diagnostic_kind_text.
7117
7118 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
7119
7120         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
7121         flow_loop_pre_header_scan, flow_loop_pre_header_find,
7122         flow_loop_scan): Removed.
7123         (flow_loop_dump): Do not dump removed fields.
7124         (flow_loop_free): Do not free removed fields.
7125         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
7126         (loop_exit_edge_p): New function.
7127         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
7128         num_pre_header_edges, entry_edges, num_entries, exit_edges,
7129         num_exits, exits_doms.
7130         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
7131         LOOP_EDGES, LOOP_ALL): Removed.
7132         (flow_loop_scan): Declaration removed.
7133         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
7134         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
7135         flow_loops_find.
7136         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
7137         (if_convert): Call flow_loops_find and flow_loops_free
7138         when calling mark_loop_exit_edges.
7139         * cfgloopanal.c (mark_loop_exit_edges): Moved from
7140         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
7141         free_dominance_info calls.
7142         * loop-init.c (flow_loops_find): Ditto.
7143         * passes.c (rest_of_handle_branch_prob): Ditto.
7144         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7145         * loop-unroll.c (analyze_insns_in_loop): Do not use
7146         EDGE_LOOP_EXIT.
7147         * predict.c (predict_loops): Do not call flow_loop_scan.
7148         Use get_loop_exit_edges.
7149         (tree_estimate_probability): Do not pass flags to flow_loops_find.
7150         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7151         Do not use EDGE_LOOP_EXIT.
7152         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7153         to bb_with_exit_edge_p.
7154         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
7155         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
7156         to bb_with_exit_edge_p.
7157         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
7158         EDGE_LOOP_EXIT.
7159         * tree-loop-linear.c (linear_transform_loops): Do not call
7160         flow_loop_scan.  Use loop->single_exit.
7161         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7162         (vect_analyze_loop_form): Do not call flow_loop_scan.
7163         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7164         loop->single_exit.
7165         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7166         loop->single_exit.
7167         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7168         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7169         slpeel_tree_duplicate_loop_to_edge_cfg,
7170         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7171         Use loop_preheader_edge and loop->single_exit.  Do not call
7172         flow_loop_scan.
7173
7174 2005-03-01  Nick Clifton  <nickc@redhat.com>
7175
7176         * config/arm/arm.c (thumb_find_work_register): Check all of the
7177         argument registers to see if they are free, and a couple of
7178         special cases where the last argument register but can be proved
7179         to be available during the function's prologue.
7180         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7181         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7182         thumb_unexpanded_epilogue): Use unsigned long as the type for the
7183         register bit-mask.
7184         (thumb_compute_save_reg_mask): Likewise.  Also use
7185         thumb_find_work_register() to ensure that there is agreement about
7186         which work register is going to be used in the prologue.
7187         (thumb_output_function_prologue): Use unsigned long as the type
7188         for the register bit-mask.  Also delay pushing the link register if
7189         other high registers are going to be pushed.
7190         (thumb_compute_save_reg_mask, emit_multi_reg_push,
7191         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7192         redundant prototypes.
7193
7194 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
7195
7196         PR target/19819
7197         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7198         and after reload in REG+REG indexed addresses without REG_POINTER
7199         set in the base and not set in the index.
7200
7201 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7202
7203         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7204         Don't undefine here.
7205         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7206         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7207         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7208         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7209         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7210         Delete.
7211         * config.gcc (sh*-*-linux*): Use config/linux.h.
7212
7213 2005-02-28  Dale Johannesen  <dalej@apple.com>
7214             Stan Shebs  <shebs@apple.com>
7215
7216         Rewrite of 64-bit Darwin structure-by-value pass/return.
7217         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7218         intoffset, use_stack, named.
7219         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
7220         (rs6000_darwin64_record_arg_advance_flush):  New.
7221         (rs6000_darwin64_record_arg_advance_recurse): New.
7222         (rs6000_darwin64_record_arg_flush):  New.
7223         (rs6000_darwin64_record_arg_recurse):  New.
7224         (rs6000_darwin64_record_arg):  New.
7225         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
7226         (function_arg_boundary):  Handle 128-bit aligned structs.
7227         (function_arg_advance):  Rewrite darwin64 struct handling.
7228         (function_arg):  Call rs6000_darwin64_record_arg.
7229         (function_arg_partial_nregs):  Handle darwin64 structs.
7230         (rs6000_darwin64_function_value):  Remove.
7231         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
7232
7233 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7234
7235         PR tree-optimization/20216
7236         * tree-chrec.c (tree_fold_factorial): Delete.
7237         (tree_fold_binomial): Change argument list to take a return type
7238         and change the type of K to unsigned int.  Rewrite to avoid explicit
7239         evaluation of factorials, and (recursively) calling fold to perform
7240         compile-time arithmetic.  Return NULL on (internal) overflow.
7241         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
7242         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
7243         if any intermediate calculation overflows.
7244         (chrec_apply): Update call to chrec_evaluate.
7245
7246 2005-02-28  James E Wilson  <wilson@specifixinc.com>
7247
7248         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
7249
7250 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
7251
7252         PR c/20245
7253         * c-parser.c (c_parser_compound_statement): Return error_mark_node
7254         instead of NULL_TREE on error.
7255
7256 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
7257
7258         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
7259         (EASY_VECTOR_15_ADD_SELF): Remove.
7260         (num_insns_constant_wide): Not static.
7261         (validate_condition_mode): Not static.
7262         (toc_relative_expr_p): Not static.
7263         (legitimate_indirect_address_p): Not static.
7264         (macho_lo_sum_memory_operand): Not static.
7265         (invalid_e500_subreg): Not static.
7266         (easy_vector_same): Not static.
7267         (easy_vector_splat_const): Not static.
7268         (RS6000_SYMBOL_REF_TLS_P): Remove.
7269         (any_operand): Delete.
7270         (any_parallel_operand): Delete.
7271         (count_register_operand): Delete.
7272         (altivec_register_operand): Delete.
7273         (xer_operand): Delete.
7274         (s8bit_cint_operand): Delete.
7275         (short_cint_operand): Delete.
7276         (u_short_cint_operand): Delete.
7277         (non_short_cint_operand): Delete.
7278         (exact_log2_cint_operand): Delete.
7279         (gpc_reg_operand): Delete.
7280         (cc_reg_operand): Delete.
7281         (cc_reg_not_cr0_operand): Delete.
7282         (reg_or_short_operand): Delete.
7283         (reg_or_neg_short_operand): Delete.
7284         (reg_or_aligned_short_operand): Delete.
7285         (reg_or_u_short_operand): Delete.
7286         (reg_or_cint_operand): Delete.
7287         (reg_or_arith_cint_operand): Delete.
7288         (reg_or_add_cint64_operand): Delete.
7289         (reg_or_sub_cint64_operand): Delete.
7290         (reg_or_logical_cint_operand): Delete.
7291         (got_operand): Delete.
7292         (got_no_const_operand): Delete.
7293         (easy_fp_constant): Delete.
7294         (easy_vector_constant): Delete.
7295         (easy_vector_constant_add_self): Delete.
7296         (zero_constant): Delete.
7297         (zero_fp_constant): Delete.
7298         (volatile_mem_operand): Delete.
7299         (offsettable_mem_operand): Delete.
7300         (mem_or_easy_const_operand): Delete.
7301         (add_operand): Delete.
7302         (non_add_cint_operand): Delete.
7303         (logical_operand): Delete.
7304         (non_logical_cint_operand): Delete.
7305         (mask_operand): Delete.
7306         (mask_operand_wrap): Delete.
7307         (mask64_operand): Delete.
7308         (mask64_2_operand): Delete.
7309         (and64_operand): Delete.
7310         (and64_2_operand): Delete.
7311         (and_operand): Delete.
7312         (reg_or_mem_operand): Delete.
7313         (lwa_operand): Delete.
7314         (symbol_ref_operand): Delete.
7315         (call_operand): Delete.
7316         (current_file_function_operand): Delete.
7317         (input_operand): Delete.
7318         (rs6000_nonimmediate_operand): Delete.
7319         (rs6000_tls_symbol_ref): Delete.
7320         (save_world_operation): Delete.
7321         (restore_world_operation): Delete.
7322         (load_multiple_operation): Delete.
7323         (store_multiple_operation): Delete.
7324         (vrsave_operation): Delete.
7325         (mfcr_operation): Delete.
7326         (mtcrf_operation): Delete.
7327         (lmw_operation): Delete.
7328         (stmw_operation): Delete.
7329         (branch_comparison_operator): Delete.
7330         (branch_positive_comparison_operator): Delete.
7331         (scc_comparison_operator): Delete.
7332         (trap_comparison_operator): Delete.
7333         (boolean_operator): Delete.
7334         (boolean_or_operator): Delete.
7335         (min_max_operator): Delete.
7336         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
7337         (EASY_VECTOR_15): Moved to here.
7338         (EASY_VECTOR_15_ADD_SELF): Move to here.
7339         (PREDICATE_CODES): Delete.
7340         * config/rs6000/rs6000-protos.h: Delete predicate functions.
7341         Declare functions no longer static.
7342         * config/rs6000/predicates.md: New.
7343         * config/rs6000/rs6000.md: Include predicates.md
7344
7345 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
7346
7347         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
7348         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
7349         REG_ALWAYS_RETURN.
7350         * cfgrtl.c (need_fake_edge_p): Likewise.
7351         * combine.c (distribute_notes): Likewise.
7352         * emit-rtl.c (try_split): Likewise.
7353         * recog.c (peephole2_opimize): Likewise.
7354         * reg-notes.def (ALWAYS_RETURN): Remove.
7355         * rtl.h (LCT_ALWAYS_RETURN): Remove.
7356         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
7357         * tree.h (ECF_ALWAYS_RETURN): Remove.
7358
7359 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7360
7361         PR middle-end/19874
7362         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
7363         between different machine modes is never a "useless" conversion.
7364
7365 2005-02-28  Geert Bosch  <bosch@gnat.com>
7366
7367         PR ada/15977
7368         * doc/contrib.texi: List contributors for Ada front end
7369
7370 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
7371
7372         * simplify-rtx.c (simplify_unary_operation_1,
7373         simplify_const_unary_operation): New, extracted from...
7374         (simplify_unary_operation): ... this one.
7375         (simplify_binary_operation_1,
7376         simplify_const_binary_operation): New, extracted from...
7377         (simplify_binary_operation): ... this one.
7378         * rtl.h (simplify_const_unary_operation,
7379         simplify_const_binary_operation): Add prototypes.
7380
7381 2005-02-28  Julian Brown  <julian@codesourcery.com>
7382
7383         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
7384         building libjava and caused PR regression/20228.
7385
7386 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
7387
7388         PR bootstrap/17383
7389         * Makefile.in (host_subdir): New.
7390         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
7391         * configure: Regenerate.
7392
7393 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
7394
7395         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
7396         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
7397         installation directory first.
7398
7399 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
7400
7401         PR target/19065.
7402         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
7403         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
7404         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7405         * config/cris/cris.md: Tweak comments referring to Q.
7406         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
7407         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
7408         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
7409         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
7410         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
7411         Insert spaces in constraints to align alternatives vertically for
7412         readability.
7413         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
7414         operand 1: "M".
7415
7416 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7417
7418         PR rtl-optimization/17728
7419         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
7420         operand 0 from general_operand to move_dest_operand.
7421
7422 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7423
7424         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
7425         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
7426         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
7427         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7428
7429 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
7430
7431         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
7432         * configure: Regenerate.
7433         * libada-mk.in: Remove CC; rename
7434         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
7435
7436 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
7437
7438         PR tree-opt/20188
7439         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
7440         for the lhs, also walk over the tree.  Likewise for rhs.
7441
7442 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
7443
7444         * tree-ssa-dom.c (simple_iv_increment_p): New function.
7445         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
7446         Do not propagate value of iv before increment over the increment.
7447
7448 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
7449
7450         * c-parser.c: New file.
7451         * c-parse.in: Remove.
7452         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
7453         Remove.
7454         (c-parser.o): Add dependencies.
7455         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
7456         maintainer-clean, TAGS): Update.
7457         * c-config-lang.in (gtfiles): Update.
7458         * gengtype-lex.l: Don't handle "@@".
7459         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
7460         objc_build_synchronized, objc_begin_try_stmt,
7461         objc_begin_catch_clause, objc_finish_catch_clause,
7462         objc_build_finally_clause, objc_finish_try_stmt): New.
7463         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
7464         type_seen_p.
7465         (c_parse_init): Update comment.
7466         * c-decl.c (c_init_decl_processing): Update comment.
7467         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7468         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
7469         new c_declspecs members.
7470
7471 2005-02-25  Julian Brown  <julian@codesourcery.com>
7472
7473         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7474         from being used for symbols with vague linkage when
7475         HAVE_GAS_COMDAT_GROUP is true.
7476
7477 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7478
7479         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
7480
7481 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
7482
7483         PR target/19930
7484         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
7485         (LIBGCC2_HAS_DF_MODE): New.
7486         (LIBGCC2_HAS_XF_MODE): New.
7487         (LIBGCC2_HAS_TF_MODE): New.
7488         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7489         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7490         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7491         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7492         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
7493         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
7494         and add _fixtfdi, _fixunstfdi, _floatditf
7495         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
7496         L_fixunstfdi, L_floatditf.
7497         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
7498         (LIBGCC2_HAS_TF_MODE): Define.
7499
7500 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
7501
7502         PR tree-optimization/20204
7503         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
7504         REWRITE_THIS_STMT markers on PHI nodes.
7505         (rewrite_initialize_block): Likewise.
7506
7507 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7508
7509         * version.c (version_string): Update to 4.1.
7510
7511 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
7512
7513         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
7514         Clarify that the alternative way doesn't work in GNU C++.
7515
7516 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7517
7518         PR tree-optimization/19937
7519         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
7520         to the type of the induction variable.
7521
7522 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7523
7524         PR rtl-optimization/20117
7525         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7526         the block including noncopyable insn.
7527
7528 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7529
7530         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7531         calls to find_reg_note.
7532
7533 2005-02-24  Richard Henderson  <rth@redhat.com>
7534
7535         PR tree-opt/20127
7536         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7537         the type.
7538
7539 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7540
7541         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7542         vector types if to use base reg for misaligned non-word ld/std.
7543
7544 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7545
7546         PR target/14619
7547         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7548         dwarf2 label manually and put it after, not before the prologue.
7549
7550 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7551
7552         PR target/19019
7553         * reload.c (operands_match_p): Only increment register number for
7554         SCALAR_INT_MODE_P modes in multiple hard registers.
7555
7556         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7557         Fix formatting.
7558
7559 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7560
7561         * ChangeLog.5: Fix log message typo(s).
7562         * ChangeLog.7: Likewise.
7563         * ChangeLog.tree-ssa: Likewise.
7564         * cfgexpand.c: Fix comment typo(s).
7565         * conflict.c: Likewise.
7566         * defaults.h: Likewise.
7567         * dwarf2out.c: Likewise.
7568         * gcse.c: Likewise.
7569         * ggc-page.c: Likewise.
7570         * tree-eh.c: Likewise.
7571         * tree-ssa-dom.c: Likewise.
7572
7573 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7574
7575         PR target/19019
7576         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7577         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7578         if SHARED is defined.
7579
7580         PR target/20196
7581         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7582         allow splitting only if operands 0 and 3 don't overlap.
7583
7584 2005-02-24  Richard Henderson  <rth@redhat.com>
7585
7586         PR middle-end/19953
7587         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7588         (fold_builtin_1): Call them.
7589         * fold-const.c (fold_complex_mult_parts): Split out from ...
7590         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7591         (fold_complex_div_parts, fold_complex_div): New.
7592         (fold): Use them.
7593         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7594
7595 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7596
7597         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7598         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7599
7600         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7601         (print_node): Likewise.
7602         Print TYPE_SIZES_GIMPLIFIED.
7603
7604 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7605
7606         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7607         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7608         operands as commutative in constraints.
7609
7610 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7611
7612         * tree-into-ssa.c: Re-organize internal functions.
7613
7614 2005-02-24  Richard Henderson  <rth@redhat.com>
7615
7616         PR middle-end/18902
7617         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7618         for c99.
7619         * common.opt (fcx-limited-range): New.
7620         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7621         * toplev.c (flag_complex_method): Initialize to 1.
7622         (process_options): Set flag_complex_method to 0 if
7623         flag_cx_limited_range.
7624         * doc/invoke.texi (-fcx-limited-range): New.
7625
7626 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7627
7628         * cse.c (delete_trivially_dead_insns): Speed up by using
7629         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7630         prev_real_insn.
7631
7632 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7633
7634         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7635         functions when -mid-shared-library is being used.
7636
7637 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7638
7639         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7640         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7641         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7642         * system.h: Poison LINK_LIBGCC_SPECIAL.
7643
7644 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7645
7646         * gengtype.c (note_insn_name): Make 1 element larger.
7647
7648 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7649
7650         PR target/20018
7651         PR rtl-optimization/20097
7652         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7653         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7654
7655 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7656
7657         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7658         * t-aix52 (SHLIB_INSTALL): Same.
7659
7660 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7661
7662         * genpreds.c: Update copyright.
7663
7664 2005-02-23  Michael Beach  <michaelb@ieee.org>
7665
7666         PR target/20159
7667         * config/sparc/t-elf (startup files): Assemble with CPP.
7668
7669 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7670
7671         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7672         (write_predicate_expr): Likewise.
7673
7674 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7675
7676         PR tree-optimization/20100
7677         PR tree-optimization/20115
7678         * tree-optimize.c (init_tree_optimization_passes): Remove
7679         pass_maybe_create_global_var.
7680         * tree-pass.h (pass_maybe_create_global_var): Remove.
7681         * tree-ssa-alias.c (aliases_computed_p): Declare.
7682         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7683         (count_calls_and_maybe_create_global_var): Remove.
7684         (pass_maybe_create_global_var): Remove.
7685         (init_alias_info): Do not declare aliases_computed_p.
7686         (maybe_create_global_var): If the function contains no
7687         call-clobbered variables and a mix of pure/const and regular
7688         function calls, create .GLOBAL_VAR.
7689         Mark all call-clobbered variables for renaming.
7690         (merge_pointed_to_info): Update comment.
7691         (add_pointed_to_var): Likewise.
7692         (is_escape_site): Likewise.
7693         Accept struct alias_info * instead of size_t *.
7694         Update all users.
7695         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7696         as necessary.
7697         * tree-ssa-operands.c (get_call_expr_operands): If
7698         ALIASES_COMPUTED_P is false, do not add call-clobbering
7699         operands.
7700         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7701         (delete_tree_ssa): Likewise.
7702
7703 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7704
7705         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7706         (do_compile): Do call it here.
7707
7708 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7709
7710         PR rtl-optimization/20017.
7711         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7712         rest_of_handle_cse2, rest_of_handle_gcse): Call
7713         delete_dead_jumptables immediately before calling cleanup_cfg.
7714
7715 2005-02-22  Devang Patel  <dpatel@apple.com>
7716
7717         PR 19952
7718         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7719         all labels
7720
7721 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7722
7723         * config/rs6000/aix.h (WINT_TYPE): Define.
7724
7725 2005-02-22  Stan Shebs  <shebs@apple.com>
7726
7727         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7728         natural alignment for 64-bit Darwin.
7729         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7730         on 64-bit Darwin.
7731         * doc/invoke.texi: Document this.
7732
7733 2005-02-22  DJ Delorie  <dj@redhat.com>
7734
7735         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7736         to make_[un]signed_type, not the mode itself.
7737
7738 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7739
7740         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7741         not available.  Use tail calls wherever possible.
7742         (make_edge): Call unchecked_make_edge to create an edge.
7743
7744         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7745         (coalesce_ssa_name): Don't check for
7746         SSANORM_USE_COALESCE_LIST.
7747         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7748
7749 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7750
7751         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7752         (rewrite_into_ssa): ... here.
7753
7754 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7755
7756         PR tree-optimization/19786
7757         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7758         tag to another's may-alias bitmap when adding to the other's list.
7759
7760 2005-02-21  DJ Delorie  <dj@redhat.com>
7761
7762         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7763         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7764         registers in unsupported ways.
7765         * expmed.c (init_expmed): Likewise.
7766
7767 2005-02-21  Stan Cox  <scox@redhat.com>
7768
7769         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7770
7771 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7772
7773         * tree-cfg.c (fold_cond_expr_cond): New.
7774         (make_edges): Call fold_cond_expr_cond.
7775         (find_taken_edge): Accept nothing but INTEGER_CST.
7776         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7777         and 1.
7778         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7779
7780         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7781         that do not belong to any basic block.
7782
7783 2005-02-21  Jeff Law  <law@redhat.com>
7784
7785         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7786         e->dest.
7787
7788 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7789
7790         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7791         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7792         Adjust their definitions.
7793         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7794         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7795
7796         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7797         genautomata.c, langhooks.c, langhooks.h, system.h,
7798         config/arm/lib1funcs.asm: Update copyright.
7799
7800 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7801
7802         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7803
7804 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7805
7806         PR bootstrap/13770
7807         * doc/install.texi: Document --with-gc.
7808
7809 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7810
7811         * simplify-rtx.c (simplify_unary_operation): Add a missing
7812         "break" statement.
7813
7814 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7815
7816         PR tree-optimization/18663
7817         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7818         if the type has variable bounds.
7819
7820 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7821
7822         * gcse.c: Remove an obsolete comment.
7823
7824         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7825
7826 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7827
7828         * doc/extend.texi (Function Attributes) <Attribute const>: The
7829         attribute "pure" is below this text, not above.
7830
7831 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7832
7833         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7834         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7835         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7836
7837 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7838
7839         PR 18785
7840         * langhooks.h (struct lang_hooks): Add to_target_charset.
7841         * langhooks.c (lhd_to_target_charset): New function.
7842         * langhooks-def.h: Declare lhd_to_target_charset.
7843         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7844         (LANG_HOOKS_INITIALIZER): Update.
7845         * c-common.c (c_common_to_target_charset): New function.
7846         * c-common.h: Declare it.
7847         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7848         c_common_to_target_charset.
7849
7850         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7851         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7852         Delete definitions.
7853         * system.h: Poison them.
7854         * doc/tm.texi: Don't discuss them.
7855         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7856         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7857         (pp_c_char): Do not attempt to generate letter escapes for
7858         newline, tab, etc.
7859         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7860         * config/mips/mips.c (mips_output_ascii): Likewise.
7861
7862 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7863
7864         PR tree-optimization/19951
7865         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7866         is abnormal.
7867
7868 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7869
7870         PR middle-end/19698
7871         * function.h (struct function): New field `max_loop_depth'.
7872         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7873         (flow_loops_find): Reset the max loop depth count before finding loops.
7874         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7875         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7876         (calculate_global_regs_live): Make sure the loop will terminate
7877         when the initial sets are not empty.
7878
7879 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7880
7881         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7882         object inside.
7883         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7884
7885 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7886
7887         PR other/19525
7888         * doc/invoke.texi: Remove documentation of %M spec.
7889         * gcc.c: Likewise.
7890         (init_spec): Remove %M suffix from -lgcc_s.
7891         (do_spec_1): Remove 'M' case.
7892         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7893         to put shared libraries in the multilib directory.  Remove the
7894         shlib_so_soname substitution variable.  Don't add a multilib encoding
7895         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7896         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7897         SHLIB_INSTALL as well as SHLIB_LINK.
7898         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7899         (SHLIB_NAME): Delete.
7900         (SHLIB_DIR): New macro.
7901         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7902         (SHLIB_INSTALL): Adjust accordingly.
7903         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7904         * config/t-slibgcc-sld: Likewise.
7905         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7906         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7907         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7908         in $(SHLIB_DIR).
7909         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7910         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7911         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7912         Use @shlib_base_name@ instead of @shlib_so_name@.
7913         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7914         and @shlib_base_name@.so in @multilib_dir@.
7915         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7916         to the install path.
7917         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7918         (SHLIB_LINK): Remove previous workaround.
7919         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7920         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7921         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7922         the install path.
7923         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7924         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7925         (SHLIB_INSTALL): Adjust accordingly.
7926         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7927         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7928         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7929         config/t-slibgcc-elf-ver.
7930
7931 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7932             Jakub Jelinek  <jakub@redhat.com>
7933
7934         PR tree-optimization/19828
7935         * tree-ssa-loop-im.c: Add a TODO comment.
7936         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7937         without side-effects.
7938
7939 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7940
7941         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7942         call fold_convert.
7943
7944 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7945
7946         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7947         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7948         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7949         functions.
7950         (ia64_reorg): Delete fixup_errata call.
7951         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7952         (TARGET_SWITCHES): Delete -mb-step entry.
7953
7954 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7955
7956         PR c/20043
7957         * c-typeck.c (composite_type): Handle quals in transparent unions.
7958         (type_lists_compatible_p): Likewise.
7959
7960 2005-02-18  Stan Shebs  <shebs@apple.com>
7961
7962         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7963         expressions in the .literal8 section.
7964
7965 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7966
7967         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7968
7969 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7970
7971         * fold-const.c (constant_boolean_node): Always create values of the
7972         specified type, don't bother calling truthvalue_conversion.
7973
7974 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7975
7976         * except.c (output_function_exception_table): Call
7977         assemble_external_libcall (eh_personality_libfunc).
7978
7979 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7980
7981         PR target/19886
7982         * config/ia64/ia64.h (struct machine_function): Add state_num.
7983         * config/ia64/ia64.c (process_epilogue,
7984         process_for_unwind_directive): Use new unwind state numbers each
7985         time rather than state 1.
7986
7987 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7988
7989         PR target/20054
7990         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7991         before the "*llgt_didi" pattern.
7992
7993 2005-02-18  Jason Merrill  <jason@redhat.com>
7994
7995         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7996
7997 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7998
7999         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
8000         (div0): Use it in place of ARM_FUNC_ALIAS.
8001         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
8002
8003 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
8004
8005         PR middle-end/20030
8006         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
8007         access, the lower bound of the array type if it exists.
8008
8009 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
8010
8011         PR c++/20008
8012         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
8013         cases that are out-of-range for the index type.
8014
8015 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
8016
8017         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
8018         (estimate_case_costs): Don't call convert.
8019         * expmed.c (expand_shift): Likewise.
8020         (make_tree): Call fold_convert instead of convert.
8021
8022 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8023
8024         PR c++/19813
8025         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
8026         that ref to be marked MEM_READONLY_P doesn't have base that needs
8027         constructing.
8028
8029 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8030
8031         * genautomata.c (output_get_cpu_unit_code_func,
8032         output_cpu_unit_reservation_p): Don't generate old-style function
8033         definitions.
8034
8035 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8036
8037         PR c++/20023
8038         PR tree-optimization/20009
8039         * convert.c (convert_to_integer): Revert 2005-02-16 change.
8040
8041         PR tree-optimization/18947
8042         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
8043         inline, remove all nodes that are inlined into the extern inline
8044         being redefined.
8045
8046 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8047
8048         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
8049         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
8050         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
8051         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
8052         Update copyright.
8053
8054 2005-02-17  Roger Sayle  <roger@eyesopen.com>
8055
8056         PR tree-optimization/19917
8057         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
8058         to be potentially trapping.
8059
8060 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8061
8062         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
8063
8064 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8065
8066         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
8067         tem becomes a local variable which is set to the value of the
8068         back end defined INITIAL_FRAME_ADDRESS macro.
8069         (expand_builtin_frame_address): Omit the base parameter to
8070         expand_builtin_return_addr.
8071         (expand_builtin_profile_func): Likewise.
8072         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
8073         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
8074         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
8075
8076 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
8077
8078         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
8079         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
8080         * config/frv/frv.c (frv_function_epilogue): Likewise.
8081
8082 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
8083
8084         * lambda-code (perfect_nestify): Remove mark/unmark
8085         for rewriting hack.
8086         * tree-loop-linear.c (linear_transform_loops): Add
8087         rewrite_into_ssa call so that ssa is correct for
8088         rewriting into loop closed.
8089
8090 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
8091
8092         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
8093         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
8094         BITMAP_FREE.
8095         * bt-load.c (btr_def_live_range, combine_btr_defs,
8096         migrate_btr_def, migrate_btr_defs): Likewise.
8097         * cfgcleanup.c (thread_jump): Likewise.
8098         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
8099         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
8100         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
8101         df_rd_local_compute, df_reg_info_compute): Likewise.
8102         * dominance.c (init_dom_info, free_dom_info): Likewise.
8103         * flow.c (init_propagate_block_info,
8104         free_propagate_block_info): Likewise.
8105         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
8106         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
8107         modify_reg_pav): Likewise.
8108         * loop-invariant.c (find_defs, find_invariant_insn,
8109         find_invariants, free_inv_motion_data): Likewise.
8110         * predict.c (tree_predict_by_opcode,
8111         estimate_bb_frequencies): Likewise.
8112         * stmt.c (expand_case): Likewise.
8113         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
8114         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
8115         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
8116         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
8117         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
8118         rewrite_ssa_into_ssa): Likewise.
8119         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8120         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
8121         analyze_edges_for_bb, perform_edge_inserts): Likewise.
8122         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
8123         * tree-sra.c (tree_sra): Likewise.
8124         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
8125         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8126         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
8127         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
8128         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
8129         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
8130         Likewise.
8131         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
8132         calculate_live_on_entry, calculate_live_on_exit,
8133         build_tree_conflict_graph): Likewise.
8134         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
8135         record_important_candidates, set_use_iv_cost, find_depends,
8136         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
8137         tree_ssa_iv_optimize_finalize): Likewise.
8138         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
8139         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
8140         tree_duplicate_loop_to_header_edge): Likewise.
8141         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
8142         * tree-ssa.c (verify_flow_insensitive_alias_info,
8143         verify_name_tags, verify_ssa, init_tree_ssa,
8144         delete_tree_ssa): Likewise.
8145         * tree-ssanames.c (marked_ssa_names, init_ssanames,
8146         fini_ssanames): Likewise.
8147         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8148
8149 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
8150
8151         * config/rs6000/t-rtems: Completely reworked.
8152
8153 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8154
8155         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8156
8157 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8158
8159         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8160         POINTER_TYPE_P when checking that type is a pointer.
8161         (vect_get_memtag): Remove.
8162         (vect_address_analysis): Use POINTER_TYPE_P. Call
8163         vect_object_analysis with dummy parameter for memtag.
8164         (vect_object_analysis): Extract memtag (functionality that
8165         used to be in vect_get_memtag and moved here). Fix printings.
8166         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8167         with correct parameters. Remove call to vect_get_memtag.
8168
8169 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
8170
8171         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8172         (tree-vectorizer.o): Added missing dependencies.
8173
8174         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8175         decleration.
8176         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8177         declaration in tree-vectorizer.c, now has an extern declaration in
8178         tree-vectorizer.h).
8179         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8180         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8181         get_vectype_for_scalar_type, vect_is_simple_use,
8182         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8183         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8184         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8185         vectorizable_store, vectorizable_operation, vectorizable_assignment,
8186         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8187         find_loop_location): Likewise.
8188
8189         * tree-vectorizer.c (langhooks.h): #include removed.
8190         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8191         moved to tree-vectorized.h.
8192         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8193         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8194         get_vectype_for_scalar_type, vect_is_simple_use,
8195         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8196         vect_supportable_dr_alignment, new_loop_vec_info,
8197         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8198         vect_set_verbosity_level, find_loop_location): Likewise.
8199
8200         (vect_analyze_loop): Function externalized. Declaration moved to
8201         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8202         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8203         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8204         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8205         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8206         vect_enhance_data_refs_alignment, vect_analyze_operations,
8207         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8208         vect_stmt_relevant_p, vect_get_loop_niters,
8209         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8210         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8211         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8212         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8213         vect_get_memtag): Likewise.
8214
8215         (vectorizable_load): Function externalized. Declaration moved to
8216         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8217         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8218         vect_transform_loop): Likewise.
8219         (vect_transform_stmt): Moved to tree-vect-transform.c.
8220         (vect_align_data_ref, vect_create_destination_var,
8221         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8222         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8223         vect_get_vec_def_for_operand, vect_init_vector,
8224         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8225         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8226         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8227         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8228         vect_do_peeling_for_loop_bound): Likewise.
8229
8230         * tree-vect-analyze.c: New file.
8231         * tree-vect-transform.c: New file.
8232
8233 2005-02-17  Jason Merrill  <jason@redhat.com>
8234
8235         PR mudflap/19319, c++/19317
8236         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8237         slot explicit.
8238
8239 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
8240
8241         * doc/install.texi (Specific): Update link for Darwin-specific
8242         tool binary site.
8243
8244 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
8245
8246         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
8247         constant_boolean_node.
8248
8249 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
8250
8251         PR target/19019
8252         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
8253         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
8254
8255 2005-02-16  Richard Henderson  <rth@redhat.com>
8256
8257         PR 19920
8258         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
8259         with W_TYPE_SIZE.
8260         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
8261         replace uses with Wtype_MAXp1_F.
8262         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
8263         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
8264         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
8265         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
8266         and HAVE_TFMODE as appropriate.
8267         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
8268         (__floatdisf): Likewise.
8269         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
8270         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
8271         (Wtype_MAXp1_F): New.
8272         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
8273         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
8274
8275 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
8276
8277         * PR target/19162
8278         * arm.c (arm_apply_result_size): New function.
8279         * arm.h (APPLY_RESULT_SIZE): Define.
8280         * arm-protos.h (arm_apply_result_size): Add prototype.
8281         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
8282         (movxf): New expand.
8283         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
8284         (call_value_symbol): Remove predicate for operand 0.
8285         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
8286         (untyped_call): Rework to correclty return values for any type.
8287         (untyped_return): New expand.
8288         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
8289
8290 2005-02-16  Stan Shebs  <shebs@apple.com>
8291
8292         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
8293         * config/rs6000/t-darwin8: New, for 64-bit multilib.
8294
8295 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8296
8297         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
8298         configure settings on Solaris 7 and later.
8299
8300 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
8301
8302         PR tree-optimization/19865
8303         * tree-optimize.c (init_tree_optimization_passes): Run
8304         pass_may_alias after pass_sra.
8305
8306 2005-02-16  Richard Henderson  <rth@redhat.com>
8307             Stuart Hastings  <stuart@apple.com>
8308
8309         PR debug/19521
8310         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
8311         Do nothing if debug info suppressed for this function.
8312         (dbxout_begin_function): Early exit if debug info suppressed for
8313         this function.
8314
8315 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
8316
8317         PR target/20007
8318         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
8319         find_basic_blocks.
8320         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
8321
8322         PR tree-optimization/19967
8323         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
8324         expand_builtin_strchr, expand_builtin_strrchr): Take a new
8325         argument TYPE.  Adjust calls to fold_builtin_XXX.
8326         (expand_builtin, fold_builtin_1): Adjust calls to
8327         expand_builtin_XXX.
8328         (fold_builtin_strchr, fold_builtin_strpbrk,
8329         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
8330         result to a requested type TYPE.
8331
8332 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
8333
8334         PR middle-end/19857
8335         * fold-const.c (fold): Don't optimize (T)(x & cst) to
8336         (T)x & (T)cst if (T)cst overflows.
8337         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
8338         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
8339
8340 2005-02-15  Jeff Law  <law@redhat.com>
8341
8342         * gcse.c (blocks_with_calls): New bitmap.
8343         (alloc_gcse_mem): Allocate it.
8344         (free_gcse_mem): Free it.
8345         (clear_modifY_mem_tables): Clear it.
8346         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
8347         when we encounter CALL_INSNs.
8348         (compute_transp, case MEM): Handle blocks with calls separate
8349         from blocks without calls.  Use bitmap iterators rather than
8350         FOR_EACH_BB.
8351
8352 2005-02-15  Peter O'Gorman  <peter@pogma.com>
8353
8354         PR bootstrap/18810
8355         * mklibgcc.in (vis_hide): Use a temporary object file, not
8356         -o /dev/null.
8357
8358 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8359
8360         PR target/19924
8361         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
8362         access optimization.
8363
8364 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
8365             Alan Modra  <amodra@bigpond.net.au>
8366
8367         PR target/19019
8368         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
8369         (_xlqsub): Rename to __gcc_qsub.
8370         (_xlqmul): Rename to __gcc_qmul.
8371         (_xlqdiv): Rename to __gcc_qdiv.
8372         Provide versioned symbol aliases with old names.
8373         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
8374         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
8375         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
8376         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
8377         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
8378
8379 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8380
8381         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
8382         Fold ~(A - 1) and ~(A + -1) to -A.
8383
8384 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8385
8386         PR pch/14940
8387         PR target/19300
8388         * config/host-linux.c (linux_gt_pch_use_address): Copy from
8389         config/pa/pa-host.c:pa_gt_pch_use_address.
8390
8391 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
8392
8393         * tree-vn.c (get_value_handle): Make sure that given an
8394         is_gimple_min_invariant expression, we always return it.
8395
8396 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8397
8398         * passes.c (rest_of_handle_gcse): Fix a comment.
8399
8400 2005-02-15  Jeff Law  <law@redhat.com>
8401
8402         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
8403         bitmap.
8404         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
8405         (canon_list_insert, record_last_mem_set_info): Similarly.
8406         (clear_modify_mem_tables): Similarly.
8407
8408 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8409
8410         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
8411         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
8412         config/mips/mips.md, config/rs6000/aix.h,
8413         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
8414
8415 2005-02-15  Richard Henderson  <rth@redhat.com>
8416
8417         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
8418         call to be best_edge.
8419
8420 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8421
8422         * basic-block.h: Adjust the prototype for find_basic_blocks.
8423         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
8424         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
8425         find_basic_blocks.
8426
8427         * flow.c (recompute_reg_usage): Remove all arguments.
8428         * passes.c (rest_of_compilation): Adjust the call to
8429         recompute_reg_usage.
8430         * rtl.h: Adjust the prototype for recompute_reg_usage.
8431
8432 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
8433
8434         * tree-dump.c (dump_files): Update to reflect new member
8435         of dump_file_info.
8436         (dump_register): Add new argument.
8437         Set glob name.
8438         (dump_switch_p_1): Check against glob name if doglob was passed.
8439         (dump_switch_p): Check against regular first, then glob if
8440         we didn't have any hits on the dump name.
8441         * tree-optimize.c (register_one_dump_file):
8442         Pass in glob name as well.
8443         * tree-pass.h (struct dump_file_info): Add glob
8444         member.
8445
8446 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
8447
8448         PR preprocessor/16323
8449         * doc/invoke.texi: Document that -Wendif-labels is on by default.
8450
8451 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
8452
8453         PR target/19019
8454         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
8455         (trunctfdf2_internal1): New.
8456         (trunctfdf2_internal2): Renamed from trunctfdf2.
8457
8458 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
8459
8460         PR tree-optimization/19853
8461         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
8462
8463 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8464
8465         * passes.c (rest_of_handle_loop_optimize): Remove calls to
8466         delete_dead_jumptables and cleanup_cfg.
8467
8468 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
8469
8470         * reload.c (find_reloads): Swap address_reloaded flags when
8471         swapping commutative operands.
8472
8473 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
8474
8475         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
8476         Use standard_iv_increment_position for computing the bsi position
8477         for create_iv.
8478         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
8479         the bsi position.
8480
8481 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
8482
8483         PR target/17428
8484         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
8485         life range of hard registers.
8486         * value-prof.c (insn_prefetch_values_to_profile): Only
8487         scan normal insns.
8488
8489         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
8490         profile in libcalls.
8491
8492 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
8493
8494         * bitmap.h (bitmap_and_compl_into): Return bool.
8495         * bitmap.c (bitmap_and_compl_into): Return changed flag.
8496
8497 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8498
8499         PR tree-optimization/19944
8500         * fold-const.c (fold): Re-add ABS_EXPR folding.
8501
8502 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
8503
8504         PR target/19019
8505         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
8506         {TARGET,MASK}_XL_COMPAT.
8507         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
8508         MASK_XL_COMPAT.
8509         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
8510         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
8511         TARGET_XL_COMPAT.
8512         (rs6000_arg_partial_bytes): Same.
8513         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
8514         and XL compatibility enabled.
8515         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
8516         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
8517         test to final condition.
8518         (cmptf_internal2): New.
8519         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
8520         xl-compat.  Add TFmode information to description.
8521
8522 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
8523
8524         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8525
8526 2005-02-13  Jason Merrill  <jason@redhat.com>
8527
8528         PR c++/16405
8529         * fold-const.c (fold_indirect_ref_1): Split out from...
8530         (build_fold_indirect_ref): Here.
8531         (fold_indirect_ref): New fn.
8532         * tree.h: Declare it.
8533         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8534         (gimplify_modify_expr_rhs): Likewise.
8535         (gimplify_expr): Likewise.
8536
8537 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8538
8539         PR tree-optimization/14303
8540         PR tree-optimization/15784
8541         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8542         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8543         ABS_EXPR<x> != 0 to x != 0.
8544
8545 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8546
8547         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8548         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8549         spelling conventions.
8550
8551         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8552         delete_trivially_dead_insns too many times.
8553
8554         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8555         tem and tem2.
8556
8557 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8558
8559         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8560         (vect_is_simple_iv_evolution): Remove redundant parameter
8561         and step check.
8562         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8563         without last parameter.
8564         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8565         Return pointer step. Call vect_is_simple_iv_evolution without
8566         last parameter. Check only that the step is multiple of size
8567         type. Remove stmt_vinfo updates.
8568         (vect_get_memtag_and_dr): Remove.
8569         (vect_get_memtag): New function.
8570         (vect_address_analysis): New function.
8571         (vect_object_analysis): New function.
8572         (vect_analyze_data_refs): Call vect_object_analysis and
8573         vect_get_memtag. Update stmt_vinfo fields.
8574
8575 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8576
8577         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8578         exist and are objects. Remove checks for pointer.
8579         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8580         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8581         (vect_create_data_ref_ptr): Likewise.
8582         (vect_base_addr_differ_p): New function.
8583         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8584         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8585         Don't set the DR_BASE_NAME field of data-ref.
8586         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8587
8588 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8589
8590         * optabs.h (enum optab_index): Add new OTI_ldexp.
8591         (ldexp_optab): Define corresponding macro.
8592         * optabs.c (init_optabs): Initialize ldexp_optab.
8593         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8594         patterns.
8595         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8596         using ldexp_optab.
8597         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8598         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8599
8600         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8601         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8602         intrinsics.
8603
8604 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8605
8606         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8607         to base_address.
8608         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8609         stmt_vec_info.
8610         (vect_get_base_and_offset): Always return an address.
8611         (vect_create_addr_base_for_vector_ref): Remove treatment for
8612         different data reference types.
8613         (vect_compute_data_ref_alignment): Rename base to base_address in
8614         stmt_vec_info. Get the object in order to force its alignment.
8615         (vect_get_memtag_and_dr): Rename base to base_address in
8616         stmt_vec_info. Extract the object for memtag analysis.
8617
8618 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8619
8620         PR regression/19898.
8621         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8622         changes cc_status, use apply modified_in_p to part of cc_status
8623         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8624         body.
8625
8626 2005-02-11  Richard Henderson  <rth@redhat.com>
8627
8628         * tree-complex.c (expand_complex_libcall): New.
8629         (expand_complex_multiplication): Use it for c99 compliance.
8630         (expand_complex_division): Likewise.
8631         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8632         (fold): Call them.
8633         * builtins.c (built_in_names): Remove const.
8634         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8635         builtins.
8636         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8637         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8638         (built_in_names): Remove const.
8639         * c-common.c (c_common_type_for_mode): Handle complex modes.
8640         * flags.h, toplev.c (flag_complex_method): Rename from
8641         flag_complex_divide_method.
8642         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8643         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8644         * libgcc2.h: Declare them.
8645         * libgcc-std.ver: Export them.
8646         * mklibgcc.in (lib2funcs): Build them.
8647
8648 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8649
8650         PR tree-optimization/19876
8651         Partially revert my change from 2005-01-14
8652         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8653         (compute_antic): ...and remove the loop here.
8654
8655 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8656
8657         PR middle-end/19858
8658         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8659         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8660
8661         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8662         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8663
8664 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8665
8666         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8667         offsets for the big-endian 32-bit case.
8668
8669 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8670
8671         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8672
8673 2005-02-11  Dale Johannesen  <dalej@apple.com>
8674
8675         * cselib.c (cselib_process_insn):  Clear out regs where
8676         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8677         * reload.c (find_equiv_reg): Ditto.
8678
8679 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8680
8681         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8682         with no elements.
8683
8684         * tree.c (build_function_type_list): Work correctly if there are
8685         no arguments.
8686
8687 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8688
8689         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8690         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8691         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8692         TARGET_ZARCH instead of TARGET_64BIT.
8693
8694 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8695
8696         * config/rs6000/t-rtems:
8697         (MULTILIB_OPTIONS): Remove mcpu=602.
8698         (MUTLILIB_DIRNAMES): Remove m602.
8699         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8700         Let mcpu=602 match mcpu=603.
8701         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8702
8703 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8704
8705         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8706         signal trampolines.
8707
8708 2005-02-10  David Daney  <ddaney@avtrex.com>
8709
8710         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8711         * config/i386/linux-unwind.h: Likewise.
8712         * config/ia64/linux-unwind.h: Likewise.
8713         * config/mips/linux-unwind.h: Likewise.
8714         * config/pa/linux-unwind.h: Likewise.
8715         * config/rs6000/linux-unwind.h: Likewise.
8716         * config/s390/linux-unwind.h: Likewise.
8717         * config/sh/linux-unwind.h: Likewise.
8718         * config/sparc/linux-unwind.h: Likewise.
8719
8720 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8721
8722         PR tree-optimization/17549
8723         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8724         TER to replace a DEF with its expression if the DEF and the
8725         rhs of the expression we replace into have the same root
8726         variable.
8727
8728 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8729
8730         * config/mips/mips.md: Fix the placement of the match_scratch in the
8731         lea64 peephole2.
8732
8733 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8734
8735         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8736         Fix comment typos.
8737
8738 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8739
8740         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8741         (strip_offset): Handle addresses.
8742         (add_address_candidates): Use strip_offset.
8743         (difference_cost): Reflect strip_offset change.
8744         (force_var_cost, difference_cost): Strip nops.
8745
8746 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8747
8748         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8749
8750         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8751         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8752         config/cris/cris-protos.h, config/cris/cris.c: Update
8753         copyright.
8754
8755 2005-02-10  Jeff Law  <law@redhat.com>
8756
8757         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8758         (lookup_avail_expr): Similarly.
8759
8760 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8761
8762         * builtins.c (fold_builtin_powi): New function.
8763         (fold_builtin_1): Call it.
8764
8765 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8766
8767         PR documentation/19309
8768         * doc/cpp.texi: The __GNUC__ and related predefined macros
8769         are also defined for the "standalone" cpp.
8770         Some non-GCC compilers may also define __GNUC__.
8771
8772 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8773
8774         PR c/19342
8775         * c-typeck.c (common_type): New routine.  Old common_type renamed
8776         to...
8777         (c_common_type): ...this.
8778         (build_conditional_expr, build_binary_op): Use c_common_type instead
8779         of common_type.
8780
8781 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8782
8783         * doc/md.texi: Replace @samp{length} with @code{length}.
8784
8785 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8786
8787         PR tree-optimization/18687
8788         * tree-flow.h (find_loop_niter): Declare.
8789         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8790         Try using scev even for loops with more than one exit.
8791         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8792         (struct ivopts_data): Added niters field.
8793         (struct nfe_cache_elt): New.
8794         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8795         functions.
8796         (tree_ssa_iv_optimize_init): Initialize niters cache.
8797         (determine_number_of_iterations): Removed.
8798         (find_induction_variables): Do not call determine_number_of_iterations.
8799         Access niters for single exit through niter_for_single_dom_exit.
8800         (add_iv_outer_candidates): Access niters for single exit through
8801         niter_for_single_dom_exit.
8802         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8803         number_of_iterations_cond.
8804         (iv_period): New function.
8805         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8806         (may_replace_final_value): Take data argument.  Use
8807         niter_for_single_dom_exit.
8808         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8809         (rewrite_use_compare): Pass data to may_eliminate_iv.
8810         (rewrite_use_outer): Pass data to may_replace_final_value.
8811         (free_loop_data): Clean up the niters cache.
8812         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8813         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8814         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8815         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8816         (num_ending_zeros): Moved to tree.c.
8817         * tree.h (num_ending_zeros): Declare.
8818         * tree.c (num_ending_zeros): Moved from tree.c.
8819
8820 2005-02-09  Richard Henderson  <rth@redhat.com>
8821
8822         * builtins.c (DEF_BUILTIN): Add COND argument.
8823         * tree.h (DEF_BUILTIN): Likewise.
8824         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8825         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8826         match.
8827         (DEF_BUILTIN_STUB): New.
8828         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8829         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8830         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8831         * c-common.c (DEF_BUILTIN): Add COND argument.
8832         * tree.c (local_define_builtin): New.
8833         (build_common_builtin_nodes): New.
8834
8835 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8836
8837         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8838         floating point expression ignoring the sign of the result.
8839         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8840         (fold) <MULT_EXPR>: Use it to simplify x*x.
8841         * tree.h (fold_strip_sign_ops): Prototype here.
8842         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8843         argument.  Use fold_strip_sign_ops to simplify the first argument.
8844         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8845         first argument when the second argument is an even integer
8846         constant, but only with -funsafe_math_optimizations.
8847         (fold_builtin_1): Update call to fold_builtin_copysign.
8848
8849 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8850
8851         PR middle-end/19583
8852         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8853         just check whether EH_FILTER_FAILURE falls through.
8854
8855 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8856
8857         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8858         insns return to ready list in the next turn.
8859
8860 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8861
8862         PR middle-end/19402
8863         * builtins.def: New __builtin_powi[lf].
8864         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8865         (expand_builtin_powi): New function.
8866         (expand_builtin): Dispatch to expand_builtin_powi.
8867         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8868         * libgcc2.c: Add __builtin_powi[lf] implementation.
8869         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8870         * optabs.h: Add powi_optab.
8871         * optabs.c (init_optabs): Initialize powi_optab.
8872         * doc/extend.texi: Document __builtin_powi[lf].
8873
8874 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8875
8876         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8877         exists.
8878
8879 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8880
8881         PR middle-end/19854
8882         * fold-const.c (try_move_mult_to_index): Remove redundant
8883         type argument.  Create ADDR_EXPR with correct type.
8884         (fold): Update callers of try_move_mult_to_index.  Convert
8885         result to the appropriate type.
8886
8887 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8888
8889         PR target/19597
8890         * config/avr/avr.c (default_rtx_costs): Delete.
8891         (avr_operand_rtx_cost): New function.
8892         (avr_rtx_costs): Completely rewrite.
8893
8894 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8895
8896         PR target/19806
8897         * config/cris/cris.c (in_code): New variable.
8898         (cris_output_addr_const): Now a static function, a wrapper for
8899         output_addr_const.
8900         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8901         case from old cris_output_addr_const.
8902         (cris_asm_output_label_ref): Similar for LABEL_REF.
8903         (cris_output_addr_const_extra): Similar for UNSPEC.
8904         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8905         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8906         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8907         declaration.
8908         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8909         (cris_asm_output_label_ref): Declare.
8910
8911 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8912
8913         PR preprocessor/19801
8914         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8915         filenames that changed when libcpp was moved to the toplevel.
8916
8917 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8918
8919         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8920         zero extensions of BImode operands.  Call lowpart_subreg instead
8921         of gen_lowpart_common and gen_lowpart_SUBREG.
8922
8923 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8924
8925         PR ada/19489
8926         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8927         * configure.ac: Set cc_for_cross_gnattools.
8928         * configure: Regenerate.
8929
8930 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8931
8932         PR target/19803
8933         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8934
8935 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8936
8937         PR debug/19327
8938         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8939         of nested functions.
8940
8941 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8942
8943         * doc/extend.texi: Document deprecated extensions allowing
8944         static floating-point members to have initializers and allowing
8945         floating-point literals in integral constant expressions.
8946
8947 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8948
8949         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8950         config/darwin7.h, config/mips/mips.c,
8951         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8952         Update copyright.
8953
8954         * cse.c: Update comments.
8955
8956 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8957
8958         PR middle-end/19775
8959         * builtins.c (fold_builtin_sqrt): Transform
8960         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8961         pow(x,y*0.5).
8962
8963 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8964             Dorit Naishlos  <dorit@il.ibm.com>
8965
8966         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8967         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8968         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8969         was added.
8970         * tree.h (vect_set_verbosity_level): New extern function declaration
8971         added.
8972         * tree-vectorizer.h (verbosity_levels): New enum type.
8973         * tree-vectorizer.c (vect_debug_stats): Function removed.
8974         (vect_debug_details): Likewise.
8975         (vect_verbosity_level): Global variable was defined and initialized.
8976         (vect_dump): Global variable definition.
8977         (vect_print_dump_info): New function.
8978         (vect_set_dump_settings): New function.
8979         (vect_set_verbosity_level): New function.
8980         (vectorize_loops): Add call to vect_set_dump_settings.
8981
8982         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8983         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8984         (slpeel_tree_peel_loop_to_edge): Likewise.
8985
8986         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8987         appropriate verbosity level instead of call to vect_debug_details
8988         or vect_debug_stats.
8989         (vect_get_base_and_offset):
8990         (vect_create_addr_base_for_vector_ref):
8991         (get_vectype_for_scalar_type):
8992         (vect_create_data_ref_ptr):
8993         (vect_init_vector):
8994         (vect_get_vec_def_for_operand):
8995         (vect_finish_stmt_generation):
8996         (vectorizable_assignment):
8997         (vectorizable_operation):
8998         (vectorizable_store):
8999         (vectorizable_load):
9000         (vect_transform_stmt):
9001         (vect_update_ivs_after_vectorizer):
9002         (vect_do_peeling_for_loop_bound):
9003         (vect_update_inits_of_drs):
9004         (vect_do_peeling_for_alignment):
9005         (vect_transform_loop):
9006         (vect_is_simple_use):
9007         (vect_analyze_operations):
9008         (vect_is_simple_iv_evolution):
9009         (vect_analyze_scalar_cycles):
9010         (vect_analyze_data_ref_dependence):
9011         (vect_analyze_data_ref_dependences):
9012         (vect_compute_data_ref_alignment):
9013         (vect_enhance_data_refs_alignment):
9014         (vect_analyze_data_refs_alignment):
9015         (vect_analyze_data_ref_access):
9016         (vect_analyze_data_ref_accesses):
9017         (vect_analyze_pointer_ref_access):
9018         (vect_get_memtag_and_dr):
9019         (vect_analyze_data_refs):
9020         (vect_mark_relevant):
9021         (vect_stmt_relevant_p):
9022         (vect_mark_stmts_to_be_vectorized):
9023         (vect_can_advance_ivs_p):
9024         (vect_get_loop_niters):
9025         (vect_analyze_loop_form):
9026         (vect_analyze_loop):
9027         (vectorize_loops): Likewise.
9028
9029         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
9030         (vect_update_inits_of_drs):
9031         (vect_do_peeling_for_alignment):
9032         (vect_transform_loop):
9033         (vect_analyze_operations):
9034         (vect_analyze_scalar_cycles):
9035         (vect_analyze_data_ref_dependences):
9036         (vect_analyze_data_refs_alignment):
9037         (vect_analyze_data_ref_accesses):
9038         (vect_analyze_data_refs):
9039         (vect_mark_stmts_to_be_vectorized):
9040         (vect_get_loop_niters):
9041         (vect_analyze_loop_form):
9042         (vect_analyze_loop): Likewise.
9043         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
9044
9045 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
9046
9047         PR bootstrap/19796
9048         Revert:
9049         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9050         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9051         either -ffast-math or -funsafe-math-optimizations is in use.
9052
9053         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9054         * config/mips/irix-csr.c: New file.
9055         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9056         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9057         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9058         executables.
9059
9060 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
9061
9062         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
9063         redundant, incorrect definitions.
9064
9065         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
9066         expand.
9067         ("*tls_indirect_call"): New, reference hard regs directly.
9068         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
9069
9070 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9071
9072         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
9073         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
9074
9075 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9076
9077         PR rtl-optimization/19800
9078         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
9079         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
9080         gen_lowpart.
9081
9082 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9083
9084         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
9085
9086 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
9087
9088         PR other/17135
9089         * doc/invoke.texi: Correct documentation of -freorder-functions.
9090
9091 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9092
9093         PR other/14402
9094         * doc/invoke.texi: Don't mention gccbug.
9095
9096 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9097             Andrew Pinski  <pinskia@physics.uc.edu>
9098             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
9099
9100         * simplify-rtx.c (simplify_relational_operation_1): Simplify
9101         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
9102         into just (zero_extract:SI FOO (const_int 1) BAR).
9103
9104 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9105
9106         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
9107         macro locally.  Don't give last revision date.  Use GCC version
9108         number from gcc-common.texi.
9109         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
9110         revision date.  Use GCC version number from gcc-common.texi.
9111         Describe being a library as current state rather than as 3.x
9112         history.
9113         * doc/gcc.texi: Remove last update date.
9114         * doc/gccint.texi: Likewise.  Update copyright dates.
9115         * doc/install.texi: Update copyright dates.
9116
9117 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9118
9119         PR other/7549
9120         * doc/invoke.texi: Mention for each option included in -Wall that
9121         it is included in -Wall.
9122         * doc/gcc.texi: Update copyright and last modification date.
9123
9124 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9125
9126         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
9127         unnecessary cast to original induction variable increments.
9128
9129 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9130
9131         PR tree-optimization/18219
9132         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
9133         in distributed form.
9134
9135 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
9136
9137         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
9138         Set bitpos and offset later in the function.  Do nothing if the
9139         target is a register and if the bitfield lies completely outside
9140         that register.
9141         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
9142         here.  Return an uninitialised register if the source value is stored
9143         in a register and the bitfield lies completely outside that register.
9144
9145 2005-02-06  Steven Bosscher  <stevenb@suse.de>
9146
9147         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9148         not SET_DEST.
9149
9150 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
9151
9152         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9153
9154 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
9155
9156         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9157         * config/darwin8.h: New.
9158         * config/darwin7.h: Update comment.
9159
9160 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9161             Dorit Naishlos  <dorit@il.ibm.com>
9162
9163         * tree-vectorizer.h (LOC): New type.
9164         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9165         (loop_line_number): New field in struct _loop_vec_info.
9166         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9167
9168         * tree-vectorizer.c (input.h): Included.
9169         (find_loop_location): New function.
9170         (vect_debug_stats): Argument changed from loop to LOC. Computation of
9171         loop line number removed.
9172         (vect_debug_details): Likewise.
9173         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9174
9175         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9176         call to vect_debug_details/stats changed from loop to loop_loc.
9177         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9178         (slpeel_tree_peel_loop_to_edge): Likewise.
9179
9180         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9181         changed from NULL to UNKNOWN_LOC.
9182         (vect_get_base_and_offset):
9183         (vect_create_addr_base_for_vector_ref):
9184         (get_vectype_for_scalar_type):
9185         (vect_create_data_ref_ptr):
9186         (vect_init_vector):
9187         (vect_get_vec_def_for_operand):
9188         (vect_finish_stmt_generation):
9189         (vectorizable_assignment):
9190         (vectorizable_operation):
9191         (vectorizable_store):
9192         (vectorizable_load):
9193         (vect_transform_stmt):
9194         (vect_update_ivs_after_vectorizer):
9195         (vect_do_peeling_for_loop_bound):
9196         (vect_do_peeling_for_alignment):
9197         (vect_transform_loop):
9198         (vect_is_simple_use):
9199         (vect_analyze_operations):
9200         (vect_is_simple_iv_evolution):
9201         (vect_analyze_scalar_cycles):
9202         (vect_analyze_data_ref_dependences):
9203         (vect_compute_data_ref_alignment):
9204         (vect_enhance_data_refs_alignment):
9205         (vect_analyze_data_ref_access):
9206         (vect_analyze_data_ref_accesses):
9207         (vect_analyze_pointer_ref_access):
9208         (vect_get_memtag_and_dr):
9209         (vect_analyze_data_refs):
9210         (vect_mark_relevant):
9211         (vect_stmt_relevant_p):
9212         (vect_mark_stmts_to_be_vectorized):
9213         (vect_can_advance_ivs_p):
9214         (vect_get_loop_niters):
9215         (vect_analyze_loop):
9216         (vectorize_loops): Likewise.
9217
9218         (vectorizable_load): Argument in call to vect_debug_details/stats
9219         changed from loop to LOOP_LOC (loop_vinfo).
9220         (vect_transform_loop):
9221         (vect_analyze_operations):
9222         (vect_analyze_scalar_cycles):
9223         (vect_analyze_data_ref_dependence):
9224         (vect_enhance_data_refs_alignment):
9225         (vect_analyze_data_ref_accesses):
9226         (vect_analyze_pointer_ref_access):
9227         (vect_analyze_data_refs):
9228         (vect_analyze_loop): Likewise.
9229
9230         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9231         changed from loop to loop_loc.
9232
9233         (vect_enhance_data_refs_alignment): Removed unused variable loop.
9234
9235 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9236             Dorit Naishlos  <dorit@il.ibm.com>
9237
9238         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9239         declaration added.
9240         (vect_analyze_data_ref_dependences): Likewise.
9241
9242         (vect_is_simple_use): Argument changed from loop structure to
9243         loop_vect_info structure.
9244         (vect_can_advance_ivs_p): Likewise.
9245         (vect_create_index_for_vector_ref): Likewise.
9246         (vect_update_ivs_after_vectorizer): Likewise.
9247         (new_stmt_vec_info): Likewise.
9248
9249         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
9250         changed from loop to loop_vinfo.
9251         (vect_create_data_ref_ptr): First argument in call to
9252         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
9253         (vectorizable_assignment): Second argument in call to vect_is_simple_use
9254         was changed from loop to loop_vinfo.
9255         (vectorizable_operation): Likewise.
9256         (vectorizable_store): Likewise.
9257         (vect_mark_stmts_to_be_vectorized): Likewise.
9258         (vect_do_peeling_for_loop_bound): First argument in call to
9259         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
9260         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
9261         was changed from loop to loop_vinfo.
9262         (vect_analyze_data_ref_dependences): Third argument in call to
9263         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
9264
9265         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
9266         (vect_create_data_ref_ptr): Likewise.
9267         (vect_init_vector): Likewise.
9268         (vect_get_vec_def_for_operand): Likewise.
9269         (vectorizable_assignment): Likewise.
9270         (vectorizable_operation): Likewise.
9271         (vectorizable_store): Likewise.
9272         (vectorizable_load): Likewise.
9273         (vect_update_ivs_after_vectorizer): Likewise.
9274         (vect_is_simple_use): Likewise.
9275         (vect_analyze_data_ref_dependence): Likewise.
9276         (vect_analyze_pointer_ref_access): Likewise.
9277         (vect_can_advance_ivs_p): Likewise.
9278
9279         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
9280         before _stmt_vec_info.
9281         (_stmt_vec_info): Loop field replaced by loop_vec_info.
9282         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
9283         (new_stmt_vec_info): Argument changed from loop structure to
9284         loop_vect_info structure
9285
9286         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
9287         (vect_analyze_offset_expr): Avoid 80 columns overflow.
9288         (vect_create_addr_base_for_vector_ref): Likewise.
9289         (vect_analyze_pointer_ref_access): Likewise.
9290
9291 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9292
9293         PR tree-opt/19768
9294         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
9295         phi flag if the phi is abnormal.
9296
9297 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9298
9299         PR tree-opt/19736
9300         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
9301         information for the new statement.
9302
9303 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9304
9305         PR driver/19117
9306         * gcc.c (main): Include the target in -v output.
9307
9308 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
9309
9310         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9311         Do not drop the extend if we'd have to add a paradoxical subreg
9312         later.  Include optabs.h and insn-codes.h.
9313         * Makefile.in (combine.o): Depend on $(OPTABS_H).
9314
9315 2005-02-02  Roger Sayle  <roger@eyesopen.com>
9316
9317         PR middle-end/19405
9318         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
9319         * fold-const.c (const_binop): Avoid constant folding floating
9320         point operations in modes that use composite representations.
9321         * simplify-rtx.c (simplify_binary_operation): Likewise.
9322
9323 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
9324
9325         * config/rs6000/altivec.md (altivec_dst): Make the first operand
9326         a REG, not a MEM.
9327         (altivec_dstt): Likewise.
9328         (altivec_dstst): Likewise.
9329         (altivec_dststt): Likewise.
9330         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
9331         of first operand.
9332
9333 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9334
9335         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
9336         EXPR_LOCUS from orig_cond to the new cond_stmt.
9337         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
9338         the new vec_stmt.
9339
9340 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9341
9342         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
9343         standard_iv_increment_position. Remove call to bsi_next
9344         (no need to bump the iterator anymore).
9345         (vect_create_index_for_vector_ref): Call
9346         standard_iv_increment_position. Remove second function argument.
9347         (vect_finish_stmt_generation): Remove call to bsi_next
9348         (no need to bump the iterator anymore).
9349         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
9350         to vect_create_index_for_vector_ref.
9351
9352 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9353
9354         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
9355         phis are used out of the loop.
9356
9357 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9358
9359         PR c/17807
9360         * c-decl.c (undef_nested_function): New variable.
9361         (pop_scope): Diagnose undefined nested functions.
9362         (finish_function): Don't attempt cgraph processing or genericizing
9363         if current top-level function contained an undefined nested
9364         function.  Reset undef_nested_function at the end of a top-level
9365         function.
9366
9367 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
9368
9369         * tree.c (build_int_cst_type): Take sign of the value into account
9370         when deciding whether sign extend the value.
9371
9372 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9373
9374         PR c/18502
9375         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
9376         (cpp_options, cc1_options): Change %{std*&ansi} to
9377         %{std*&ansi&trigraphs}.
9378
9379 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9380
9381         * cse.c: Update comments.
9382
9383 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
9384
9385         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
9386         arguments go on the stack.  Do not put complex doubles in odd/even
9387         pairs.
9388
9389 2005-02-02  Steven Bosscher  <stevenb@suse.de>
9390
9391         * doc/invoke.texi: Update the options enabled at -O1, -O2,
9392         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
9393         -ftree-pre, and -fthread-jumps.
9394
9395 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
9396
9397         PR tree-optimization/19578
9398         * tree-flow.h (modified_noreturn_calls): Declare.
9399         (noreturn_call_p): Declare.
9400         * tree-flow-inline.h (noreturn_call_p): New function.
9401         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
9402         * tree-cfg.c (modified_noreturn_calls): New variable.
9403         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
9404         that contain a mid-block noreturn call.
9405         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
9406
9407 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9408
9409         * df.c (df_def_record_1, df_uses_record): Don't use
9410         DF_FOR_REGALLOC.
9411         * df.h (DF_FOR_REGALLOC): Remove.
9412
9413 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9414
9415         PR c/19435
9416         * c-typeck.c (really_start_incremental_init): Reset
9417         constructor_max_index for arrays of incomplete type.
9418
9419 2005-02-02  Jeff Law  <law@redhat.com>
9420
9421         * gcse.c (struct reg_set): Store the block index where the register
9422         was set rather than the setting insn.
9423         (record_one_set, compute_transp): Corresponding changes.
9424         (pre_insert_copy_insn): Do not call replace_one_set.
9425         (replace_one_set): Remove.
9426
9427 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9428
9429         PR other/15514
9430         * doc/gcov.texi: Fix typo.
9431
9432 2005-02-01  Richard Henderson  <rth@redhat.com
9433
9434         PR target/19680
9435         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
9436         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
9437         type to bool.
9438         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
9439         * config/i386/i386-protos.h: Update.
9440
9441 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9442
9443         PR tree-optimization/19217
9444         * tree-cfg.c (verify_expr): Use the data field to see if TP was
9445         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
9446         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
9447         that it is walking a PHI node.
9448
9449 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
9450
9451         * doc/extend.texi (Nested Functions): Update.
9452
9453 2005-02-01  Richard Henderson  <rth@redhat.com>
9454
9455         PR 19696
9456         * optabs.c (expand_copysign_absneg): Export.
9457         * optabs.h (expand_copysign_absneg): Declare.
9458         * config/rs6000/rs6000.md (copysigntf3): New.
9459
9460 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9461
9462         PR tree-optimization/19633
9463         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
9464         * tree-ssa-alias.c (init_alias_info): Initialize.
9465         (merge_pointed_to_info): Set.
9466         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
9467         (dump_points_to_info_for): Show value of pt_null.
9468         (struct count_ptr_d): Declare.
9469         (find_ptr_dereference): Remove.
9470         (ptr_is_dereferenced_by): Remove.
9471         (count_ptr_derefs): New local function.
9472         (count_uses_and_derefs): New local function.
9473         (compute_points_to_and_addr_escape): Call it.  If the number
9474         of dereferences is greater than zero, mark the pointer as
9475         dereferenced.  If there are fewer dereferences than uses of
9476         the pointer, the pointer's value escapes.
9477
9478 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9479
9480         PR tree-optimization/19670
9481         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
9482         here...
9483         (verify_use): ... set it here, instead.
9484
9485 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
9486
9487         * doc/sourcebuild.texi (Test directives): Fix formatting.
9488
9489         * doc/sourcebuild.texi (Test directives): Describe selector
9490         expressions.
9491
9492 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9493
9494         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
9495         specific 64-bit CPUs.
9496
9497 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
9498
9499         PR target/16201
9500         * arm.c (arm_eliminable_register): New function.
9501         (adjacent_mem_locations): Don't allow eliminable registers.  Use
9502         HOST_WIDE_INT for address offsets.
9503         * arm-protos.h (arm_eliminable_register): Add prototype.
9504
9505 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9506
9507         PR optimization/15242
9508         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
9509         * basic-block.h (duplicate_computed_gotos): Add prototype.
9510         * bb-reorder.c (duplicate_computed_gotos): New function to
9511         duplicate sufficiently small blocks ending in a computed jump.
9512         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
9513         if not optimizing for size.
9514         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
9515         never do tail merging for blocks ending in a computed jump.
9516         * doc/invoke.texi: Document the max-goto-duplication-insns param.
9517
9518 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
9519
9520         Patch from Richard Sandiford <rsandifo@redhat.com>
9521         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
9522         from inheriting a subreg equivalence with a non-spill register.
9523
9524         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9525
9526 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9527
9528         * config/frv/frv.c (movcc_fp_destination_operand): New.
9529         (gpr_or_memory_operand): Fix typo in comment.
9530         (gpr_or_memory_operand_with_scratch): New.
9531         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9532         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9533         movcc_fp_destination_operand.
9534         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9535         Legitimize memory addresses using a scratch register.
9536
9537 2005-01-31  Jeff Law  <law@redhat.com>
9538
9539         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9540         bitmap a sparse bitmap instead of a simple bitmap.
9541         (mark_def_sites_initialize_block):  Corresponding changes.
9542         (ssa_mark_def_sites_initialize_block): Likewise.
9543         (ssa_mark_phi_uses): Likewise.
9544         (mark_def_site, ssa_mark_def_sites): Likewise.
9545         (mark_def_site_blocks): Likewise.
9546         (rewrite_ssa_into_ssa): Likewise.
9547
9548         * tree-ssa-dom.c (record_cond): Pass correct variable type
9549         for last argument to htab_find_slot_with_hash.
9550
9551         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9552         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9553
9554 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9555
9556         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9557         1_mmalua.
9558
9559 2005-02-01  Eric Christopher  <echristo@redhat.com>
9560
9561         * config/mips/mips.c (override_options): Warn if -mint64
9562         is used.
9563         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9564         deprecated.
9565
9566 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9567
9568         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9569         timestamp.
9570         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9571         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9572         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9573         (cached_regno): Initialize to INVALID_REGNUM.
9574         (cse_reg_info_table_size,
9575         cse_reg_info_table_first_uninitialized,
9576         cse_reg_info_timestamp): New.
9577         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9578         get_cse_reg_info.
9579         (init_cse_reg_info, get_cse_reg_info_1): New.
9580         (get_cse_reg_info): Cache the last look-up.
9581         (new_basic_block): Update the code to clear mappings from
9582         registers to cse_reg_info entries.
9583         (cse_main): Call init_cse_reg_info.
9584
9585         * cse.c (get_cse_reg_info): Update a comment.
9586
9587 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9588
9589         PR c/19333
9590         * c-decl.c (start_decl): Do not warn about arrays of elements with
9591         an incomplete type here.
9592         (grokdeclarator): Do it here by making a pedwarn an error.
9593         * c-typeck.c (push_init_level): If there were previous errors with
9594         the constructor type, do not warn about braces for initializers.
9595         (process_init_element): Likewise for excess initializer elements.
9596
9597 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9598
9599         * cse.c (delete_trivially_dead_insn): Don't iterate.
9600
9601 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9602
9603         * config/rs6000/rs6000.md (copysignsf3): New expand.
9604         (copysigndf3): Likewise.
9605
9606 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9607
9608         * recog.c (constrain_operands): Only look for earlyclobber operand
9609         conflicts if an '&' constraint was seen.
9610
9611 2005-01-31  Marc Espie <espie@openbsd.org>
9612
9613         * config.gcc: Don't include embedded systems fragment, switches default
9614         debugging format to ELF.
9615         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9616         longer pick it up there.
9617
9618 2005-01-31  Dale Johannesen  <dalej@apple.com>
9619
9620         * doc/extend.texi (nested functions): Fix linkage description.
9621         Clarify that static is not allowed.
9622
9623 2005-01-31  Dale Johannesen  <dalej@apple.com>
9624
9625         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9626         (movdf_low_di):  Make work.
9627
9628 2005-01-31  Dale Johannesen  <dalej@apple.com>
9629
9630         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9631         Make work for 64 bit.
9632
9633 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9634             Dale Johannesen  <dalej@apple.com>
9635
9636         PR middle-end/19650
9637         * fold-const.c (fold_binary_op_with_conditional_arg):
9638         Make types match original operands, before STRIP_NOPS.
9639
9640 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9641
9642         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9643         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9644         (struct gcc_sigcontext): Delete.  Merge contents to..
9645         (struct gcc_ucontext): ..here.
9646         (get_sigcontext): Delete.
9647         (get_regs): New function, like get_sigcontext but return regs ptr.
9648         64-bit version finds regs from r1 to support vdso.
9649         (ppc_linux_aux_vector): New function.
9650         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9651         and vector regs.
9652
9653 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9654
9655         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9656         sizetype.
9657         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9658         redundant fold. Fix misalignment for MINUS_EXPR.
9659         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9660         (vect_analyze_pointer_ref_access): Likewise.
9661         (vect_get_memtag_and_dr): Likewise.
9662
9663 2005-01-31  Richard Henderson  <rth@redhat.com>
9664
9665         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9666         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9667         absnegdf2_i387, absnegxf2_i387): Likewise.
9668
9669 2005-01-31  Richard Henderson  <rth@redhat.com>
9670
9671         PR 19696
9672         * optabs.c (expand_copysign_absneg): New.
9673         (expand_copysign_bit): Split out from ...
9674         (expand_copysign): ... here.  Use expand_copysign_absneg.
9675
9676 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9677
9678         PR middle-end/19697
9679         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9680         constant as the second operand and a register as the third.
9681
9682 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9683
9684         PR target/19704
9685         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9686         that dllimport'd functions do not use all call-clobbered registers
9687         to pass parameters.
9688
9689 2005-01-30  Richard Henderson  <rth@redhat.com>
9690
9691         PR 19696
9692         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9693         expand_abs_nojump and generalize.  Use operand_subword and
9694         emit_no_conflict_block.  Support large modes.
9695         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9696         back to maximum.
9697         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9698         negation to subtraction.
9699         (expand_copysign): Check that the format has signed zeros.
9700         Use operand_subword and emit_no_conflict_block.  Support large modes.
9701
9702 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9703
9704         Fix PR tree-optimization/19624
9705
9706         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9707         * tree-ssa-pre.c: Add cfgloop.h.
9708         Update comment.
9709         (pre_stats): New member, constified.
9710         (inserted_exprs): New static variable.
9711         (NECESSARY): New macro.
9712         (create_expression_by_pieces): Fold the expression, and
9713         mark it as defaulting to not necessary. Also put in
9714         inserted_exprs.
9715         (fully_constant_expression): New function.
9716         (insert_into_preds_of_block): Modify to not insert phis when we
9717         are playing with induction variables.
9718         Push phis onto the inserted_exprs vector, and mark them as not
9719         necessary by default.
9720         (insert_aux): Call fully_constant_expression on eprime.
9721         If all edges produce the same value, mark it constant.
9722         (mark_operand_necessary): New function.
9723         (remove_dead_inserted_code): New function.
9724         (init_pre): Init loop optimizer to get loop info.
9725         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9726         (execute_pre): Commit edge inserts, then remove dead code.
9727
9728 2005-01-30  Richard Henderson  <rth@redhat.com>
9729
9730         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9731         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9732
9733 2005-01-30  Richard Henderson  <rth@redhat.com>
9734
9735         PR target/19700
9736         * config/i386/i386.c (ix86_expand_copysign): New.
9737         (ix86_split_copysign_const): New.
9738         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9739         rearrange op1/nmask operands.
9740         * config/i386/i386-protos.h: Update.
9741         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9742         (copysigndf3): Likewise.
9743         (copysignsf3_const, copysigndf3_const): New.
9744         (copysignsf3_var): Rename from copysignsf3, split out splitter
9745         and fix split predicate for X constraint.
9746         (copysigndf3_var): Similarly.
9747
9748 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9749
9750         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9751         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9752         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9753
9754 2005-01-29  Richard Henderson  <rth@redhat.com>
9755
9756         PR target/19690
9757         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9758         of # and * in constraints.
9759
9760 2005-01-29  Richard Henderson  <rth@redhat.com>
9761
9762         PR middle-end/19689
9763         * expr.c (store_field): Don't strip sub-mode cast when the input
9764         data is even smaller.
9765
9766 2005-01-29  Richard Henderson  <rth@redhat.com>
9767
9768         PR middle-end/19687
9769         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9770         union being empty.
9771
9772 2005-01-29  Richard Henderson  <rth@redhat.com>
9773
9774         * combine.c (make_field_assignment): Fix argument order
9775         to gen_int_mode.
9776
9777 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9778
9779         PR tree-optimization/15791
9780         * fold-const.c (extract_array_ref): New function.
9781         (fold): Fold comparisons between &a[i] and &a[j] or
9782         semantically equivalent trees.
9783
9784 2005-01-29  Jeff Law  <law@redhat.com>
9785
9786         * gcse.c (insert_expr_in_table): Revamp handling of available
9787         and anticipatable occurrence lists to avoid unnecessary list
9788         walking.
9789         (insert_set_in_table): Similarly.
9790
9791 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9792
9793         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9794         build string type.
9795         (c_build_qualified_type): Build qualified array types with
9796         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9797         * c-decl.c (c_make_fname_decl): Build unqualified array type
9798         before qualified type.
9799         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9800         type is qualified, not just if type itself is.  Don't apply
9801         qualifiers to array type when declarator is processed.  Apply
9802         qualifiers to field type whether or not it is an array type.
9803         Don't handle array types specially for applying qualifiers to
9804         variables.
9805         * c-typeck.c (composite_type): Build unqualified element type and
9806         array type when forming composite of array types.
9807         (common_pointer_type, comptypes, comp_target_types,
9808         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9809         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9810         types.
9811         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9812         (args2) in variables a1 and a2.
9813
9814 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9815
9816         * cse.c (n_elements_made, max_elements_made): Remove.
9817         (insert): Don't touch n_elements_made.
9818         (cse_main): Don't touch n_elements_made or max_elements_made.
9819
9820 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9821
9822         PR target/15384
9823         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9824         configuration part of dp-bit.c to be lost.
9825
9826 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9827
9828         * expmed.c (expand_mult_highpart_optab): When attempting to use
9829         a non-widening multiplication in a wider mode, the operands need
9830         to be converted (zero or sign extended) to that mode.
9831
9832 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9833
9834         PR middle-end/16558
9835         PR middle-end/19583
9836         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9837         through if both operands fall through.
9838
9839 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9840
9841         * cse.c (fold_rtx) <PC>: Don't optimize.
9842
9843 2005-01-28  Jeff Law  <law@redhat.com>
9844
9845         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9846         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9847
9848 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9849
9850         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9851         cse_reg_info_used_list_end): Remove.
9852         (cse_reg_info_list, cse_reg_info_list_free): New.
9853         (get_cse_reg_info): When allocating an instance of
9854         cse_reg_info, add it to the beginning of the cse_reg_info_list
9855         list.  Remove code to maintain cse_reg_info_used_list.
9856         (new_basic_block): Reset the free list to the beginning of
9857         cse_reg_info_list.
9858
9859 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9860
9861         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9862         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9863         (frv_expand_mdpackh_builtin): New function.
9864         (frv_expand_builtin): Use it to expand __MDPACKH.
9865         * doc/extend.texi (__MDPACKH): Update documentation.
9866
9867 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9868
9869         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9870         SSE_FLOAT_MODE_P for use_sse computation.
9871
9872 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9873
9874         PR target/19663
9875         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9876
9877 2005-01-27  Richard Henderson  <rth@redhat.com>
9878
9879         * builtins.c (expand_builtin_copysign): New.
9880         (expand_builtin): Call it.
9881         * genopinit.c (optabs): Add copysign_optab.
9882         * optabs.c (init_optabs): Initialize it.
9883         (expand_copysign): New.
9884         * optabs.h (OTI_copysign, copysign_optab): New.
9885         (expand_copysign): Declare.
9886
9887         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9888         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9889
9890         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9891         (ix86_expand_fp_absneg_operator): ... here.
9892         (ix86_split_copysign): New.
9893         * config/i386/i386-protos.h: Update.
9894         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9895         (copysignsf3, copysigndf3): New.
9896
9897         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9898         (copysignsf3, ncopysignsf3): New.
9899         (copysigndf3, ncopysigndf3): New.
9900         (copysignxf3, ncopysignxf3): New.
9901         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9902
9903 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9904             Kazu Hirata  <kazu@cs.umass.edu>
9905
9906         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9907         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9908         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9909         NULL_RTX.
9910
9911 2005-01-27  Jeff Law  <law@redhat.com>
9912
9913         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9914         definitions of SSA_NAMEs which are not being rewritten.
9915         (rewrite_ssa_into_ssa): Only initialize the current definition
9916         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9917         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9918         SSA_NAMEs before returning.
9919
9920 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9921
9922         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9923         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9924         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9925         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9926         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9927
9928 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9929
9930         PR middle-end/17278
9931         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9932         higher to -O2 and higher.  Likewise for tree PRE.
9933         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9934         and better.
9935
9936 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9937
9938         PR middle-end/19583
9939         * gimple-low.c (try_catch_may_fallthru): New static function.
9940         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9941         * tree-inline.c (expand_call_inline): Don't warn about reaching
9942         the end of a non-void function being inlined if the function uses
9943         a return slot.
9944
9945 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9946
9947         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9948
9949         PR c/18946
9950         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9951         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9952         (implicitly_declare): Handle error_mark_node.
9953
9954 2005-01-27  Richard Henderson  <rth@redhat.com>
9955
9956         PR tree-opt/14329
9957         * tree.h (struct tree_decl): Add debug_expr_is_from.
9958         (DECL_DEBUG_EXPR_IS_FROM): New.
9959         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9960         * dwarf2out.c (dwarf2out_var_location): Update to match.
9961         * tree-outof-ssa.c (create_temp): Likewise.
9962         * var-tracking.c (track_expr_p): Likewise.
9963         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9964         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9965         * toplev.c (default_tree_printer): Likewise.
9966
9967 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9968
9969         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9970         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9971
9972 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9973
9974         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9975         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9976         ASM_CLOBBERS): Add tree checks.
9977
9978         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9979         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9980         * c-common.def (SWITCH_STMT): Update to match.
9981         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9982         macros instead of SWITCH_EXPR ones.
9983         * c-dump.c (c_dump_tree): Likewise.
9984         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9985         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9986
9987         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9988
9989 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9990
9991         * unwind-dw2.c (execute_stack_op): Add missing cases for
9992         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9993
9994 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9995
9996         * config.gcc (Obsolete configurations): Remove 'dummy', add
9997         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9998         sparc-*-openbsd*.
9999
10000 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
10001
10002         PR tree-optimization/19633
10003         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
10004         CALL_EXPRs.
10005         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
10006         are no call-clobbered variables.
10007         * tree-outof-ssa.c (check_replaceable): Return false for calls
10008         with side-effects.
10009
10010 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
10011
10012         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
10013         even for variables with NULL DECL_INITIAL.
10014
10015 2005-01-26  Stuart Hastings  <stuart@apple.com>
10016
10017         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
10018
10019 2005-01-26  Richard Henderson  <rth@redhat.com>
10020
10021         PR middle-end/18008
10022         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10023         field's type.
10024         * expr.c (store_field): Strip conversions to odd-bit-sized types
10025         if the destination field width matches.
10026
10027 2005-01-26  Richard Henderson  <rth@redhat.com>
10028
10029         * c-decl.c, expmed.c, expr.c: Revert last change.
10030
10031 2005-01-26  Richard Henderson  <rth@redhat.com>
10032
10033         PR middle-end/18008
10034         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10035         field's type.
10036         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
10037         if we don't need the bits above those present in the current mode.
10038         * expr.c (store_field): Strip conversions to odd-bit-sized types
10039         if the destination field width matches.
10040
10041 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10042
10043         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10044         either -ffast-math or -funsafe-math-optimizations is in use.
10045
10046 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10047
10048         PR target/19293
10049         PR target/19329
10050         * config/avr/avr.c (notice_update_cc): Only set condition code for
10051         ashrqi3 if shift count > 0.
10052         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
10053         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
10054         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
10055         count <= 0 as a no-op, and shift count >= width by copying zero
10056         or sign bit to all bits of the result.
10057         * config/avr/avr.md (all shifts): Add alternatives for zero shift
10058         count, with attribute "length" set to 0 and "cc" set to "none".
10059
10060 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10061
10062         * doc/invoke.texi: Document -mTLS.
10063
10064         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
10065         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
10066         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
10067         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
10068         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
10069         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
10070         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
10071         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
10072
10073         * configure.ac: Check for a TLS capable gas.
10074
10075         * configure: Regenerate.
10076
10077 2005-01-26  Richard Henderson  <rth@redhat.com>
10078
10079         PR middle-end/18008
10080         * combine.c (make_field_assignment): Simplify store to zero_extract
10081         from a source with an overlapping mask.
10082
10083 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10084
10085         2004-11-11  Eric Christopher  <echristo@redhat.com>
10086
10087         * config/frv/frv.md: Add fr400_integer automaton. Don't
10088         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
10089         to TYPE_MACC.
10090
10091 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10092
10093         PR middle-end/16585
10094         * cfgbuild.c (make_edges): Do not clear or set
10095         current_function_has_computed_jump.
10096         * function.h (struct function): Remove the has_computed_jump field.
10097         (current_function_has_computed_jump): Do not define.
10098         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
10099         in a computed jump.  Ignore current_function_has_computed_jump.
10100
10101 2005-01-26  Richard Henderson  <rth@redhat.com>
10102
10103         PR middle-end/19515
10104         * expr.c (categorize_ctor_elements): New argument p_must_clear.
10105         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
10106         fully initialized.
10107         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
10108         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
10109         objects into static storage if they have more than one non-zero value.
10110         * tree.h (categorize_ctor_elements): Update decl.
10111
10112 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10113
10114         PR middle-end/19616
10115         * tree.h (CALL_EXPR_TAILCALL): Add comment.
10116         * calls.c (check_sibcall_argument_overlap_1): Revert the change
10117         to this function from 2004-07-10.
10118         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
10119         the current function for tail call optimizations if the address
10120         of one of it its arguments is taken.
10121
10122 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
10123
10124         * cse.c (fold_rtx): Call equiv_constant only when necessary.
10125
10126 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10127
10128         * function.c (expand_function_end): If current_function_calls_alloca,
10129         emit stack restore in a place that is reached when the function falls
10130         through at the end.
10131
10132 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
10133
10134         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
10135         rule to avoid matching inappropriate suffix rule.
10136
10137 2005-01-26  Jan Hubicka  <jh@suse.cz>
10138
10139         PR tree-optimization/19241
10140         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
10141
10142 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10143
10144         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10145         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
10146         of doubling.
10147         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10148         <sim*>: Always use crt1.o, regardless of N in simN.
10149         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10150         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10151         (CRT_CALL_STATIC_FUNCTION): Remove.
10152         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10153         use crt1.o, regardless of N in simN.
10154         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10155         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10156         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10157         case isystem setting.
10158         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10159
10160 2005-01-25  Ian Lance Taylor  <ian@airs.com>
10161
10162         * gimple-low.c (block_may_fallthru): Correct handling of
10163         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10164
10165 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10166
10167         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10168         handlers to match indentation; nested under the mtune=* handler.
10169         Similar for mcpu= and march=.
10170
10171 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
10172
10173         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10174         * config/mips/linux64.h (LIB_SPEC): Likewise.
10175         * config/mn10300/linux.h (LIB_SPEC): Likewise.
10176         * config/sh/linux.h (LIB_SPEC): Likewise.
10177
10178 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
10179
10180         * config/frv/frv.c (frv_legitimize_tls_address): New.
10181         (TARGET_HAVE_TLS): Define.
10182         (FRV_SYMBOL_REF_TLS_P): Define.
10183         (frv_override_options): Handle new register classes.
10184         (frv_legitimate_address_p): Reject tls addresses.
10185         (frv_legitimize_address): Handle TLS addresses.
10186         (gen_inlined_tls_plt): New.
10187         (gen_tlsmoff): New.
10188         (frv_legitimize_tls_address): New.
10189         (unspec_got_name): Add TLS entries.
10190         (got12_operand): Add R_FRV_TLSMOFF12 case.
10191         (frv_emit_move): Fixup TLS addresses.
10192         (frv_emit_movsi): Legitimize TLS addresses.
10193
10194         * config/frv/frv.h (MASK_BIG_TLS): New.
10195         (TARGET_BIG_TLS): New.
10196         (HAVE_AS_TLS): Define.
10197         (TARGET_SWITCHES): Add -mTLS and -mtls options.
10198         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10199         (REG_CLASS_NAMES): Same.
10200         (REG_CLASS_CONTENTS): Same.
10201         (CONSTRAINT_LEN): New.
10202         (REG_CLASS_FROM_CONSTRAINT): New.
10203         (PREDICATE_CODES): Add symbolic_operand.
10204
10205         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10206         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10207         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10208         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10209         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10210         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10211         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10212         GR9_REG, GR14_REG, LRREG.
10213         (type): Add load_or_call attribute.
10214         ("load_or_call"): New reservation.
10215         ("call_gettlsoff"): New.
10216         ("tls_indirect_call"): New.
10217         ("tls_load_gottlsoff12"): New.
10218         ("tlsoff_hilo"): New.
10219         ("tls_tlsdesc_ldd"): New.
10220         ("tls_tlsoff_ld"): New.
10221         ("tls_lddi"): New.
10222
10223         * config/frv/frv-protos.h (symbolic_operand): Protoize.
10224
10225         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
10226
10227         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10228         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10229         * config/frv/frv.c (TLS_BIAS): Define.
10230         (frv_output_dwarf_dtprel): New.
10231
10232 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
10233
10234         PR rtl-optimization/19579
10235         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10236         both A and B, see if they don't clobber registers the other expr uses.
10237
10238 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
10239
10240         * real.c (do_add): Initialize signalling and canonical members.
10241
10242         * real.c (real_from_integer): Zero out destination.
10243
10244 2005-01-18  Jan Hubicka  <jh@suse.cz>
10245
10246         PR tree-optimize/19337
10247         * tree-inline.c (initialize_inlined_parameters): Copy
10248         saved_static_chain_decl only.
10249
10250 2005-01-25  Richard Henderson  <rth@redhat.com>
10251
10252         PR target/19556
10253         PR target/19584
10254         * config/i386/i386.c (x86_inter_unit_moves): Zero.
10255         (ix86_preferred_reload_class): Rewrite fp-constant section, with
10256         80387 enabled, to return a proper subclass.  Return the subset that
10257         overlaps with GENERAL_REGS for PLUS.
10258         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
10259
10260 2005-01-25  Richard Henderson  <rth@redhat.com>
10261
10262         PR middle-end/19609
10263         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
10264
10265 2005-01-25  Roger Sayle  <roger@eyesopen.com>
10266
10267         * expmed.c (choose_multiplier): Change interface to return the
10268         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
10269         (expand_divmod): Update calls to choose_multiplier.
10270
10271 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10272
10273         PR middle-end/19330
10274         * expmed.c (extract_bit_field): Use adjust_address instead of
10275         gen_lowpart when op0 is a MEM.
10276
10277 2005-01-24  Steven Bosscher  <stevenb@suse.de>
10278
10279         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
10280
10281 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10282
10283         * config/mips/irix-csr.c: New file.
10284         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10285         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10286         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10287         executables.
10288
10289 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
10290
10291         PR bootstrap/19364
10292         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
10293         sparc/elf.h, add sparc/sp-elf.h.
10294         (sparc-*-rtems*): Likewise.
10295         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
10296         tm-dwarf2.h, add sparc/sp-elf.h.
10297         (sparc86x-*-elf): Likewise.
10298         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
10299         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
10300         TARGET_OS_CPP_BUILTINS.
10301         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10302         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10303         Undefine it.
10304         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
10305         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
10306         (SWITCH_TAKES_ARG): Likewise.
10307         (LOCAL_LABEL_PREFIX): Likewise.
10308         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10309         (TARGET_N_FORMAT_TYPES): Delete.
10310         (TARGET_FORMAT_TYPES): Likewise.
10311         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10312         * config/sparc/elf.h: Delete.
10313         * config/sparc/sp-elf.h: New file.
10314
10315 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10316
10317         * tree-flow-inline.h (phi_arg_from_edge): Remove.
10318         * tree-flow.h: Remove the corresponding prototype.
10319         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
10320         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
10321
10322 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10323
10324         PR target/17751
10325         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
10326         for AIX ABI or ELF -fPIC.
10327         (rs6000_emit_load_toc_table): Don't create toc_section here.
10328         (rs6000_xcoff_file_start): Nor here.
10329
10330 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
10331
10332         * sh.c (ra.h): Don't #include.
10333         (hard_regs_intersect_p): New function, resurrected from ra.c.
10334
10335         * sh.c: Fix 1996 Copyright.
10336
10337 2005-01-24  Richard Henderson  <rth@redhat.com>
10338             Aldy Hernandez  <aldyh@redhat.com>
10339
10340         * regrename.c (note_sets): Handle subregs.
10341
10342 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
10343
10344         PR bootstrap/18058
10345         * genconditions.c (write_header, write_conditions): Elide file if
10346         not GCC >= 3.0.1.
10347
10348 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10349
10350         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
10351         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
10352         Update copyright.
10353
10354 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10355
10356         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10357         expand_builtin_printf, expand_builtin_fprintf,
10358         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
10359         checking against POINTER_TYPE.
10360         (validate_arglist): Handle POINTER_TYPE code by checking
10361         POINTER_TYPE_P.
10362
10363 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
10364
10365         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
10366         init_rtlanal): New.
10367         (for_each_rtx): Call for_each_rtx_1.
10368         * rtl.h (init_rtlanal): Declare.
10369         * toplev.c (backend_init): Call init_rtlanal.
10370
10371 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10372
10373         * flow.c (propagate_one_insn): Formatting.
10374
10375         PR middle-end/19551
10376         * flow.c (libcall_dead_p): Be more conservative if unsure.
10377         If there are any instructions between insn and call, see if they are
10378         all dead before saying the libcall is dead.
10379
10380 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
10381
10382         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
10383         operand constraint for operand 0.
10384
10385 2005-01-23  Richard Henderson  <rth@redhat.com>
10386
10387         PR 19486
10388         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
10389         edges leading to join block.
10390
10391 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10392
10393         * expmed.c (expand_mult_highpart): Make static.  Change type of
10394         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
10395         (expand_divmod): Updates calls to expand_mult_highpart by using
10396         gen_int_mode to pass a CONST_INT rtx.
10397         * rtl.h (expand_mult_highpart): Remove prototype.
10398
10399 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10400
10401         * flow.c (regset_bytes, regset_size): Remove.
10402
10403         * cfganal.c: Fix a reference to Harvey's paper.
10404
10405 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10406
10407         PR rtl-optimization/19464
10408         * tree-optimize.c (init_tree_optimization_passes): Add one more
10409         copyrename pass just before out-of-ssa.
10410
10411 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
10412
10413         PR bootstrap/18058
10414         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
10415         * ggc-none.c (ggc_free): Define.
10416
10417 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10418
10419         * cse.c (max_reg, max_insn_uid): Remove.
10420         (cse_main): Don't access max_reg or max_insn_uid.
10421
10422         * c-common.c (explicit_flag_signed_bitfields,
10423         lang_statement_code_p, lang_expand_function_end): Remove.
10424         * c-common.h: Remove the corresponding declarations.
10425         * c-opts.c (c_common_handle_option): Remove all write access
10426         to explicit_flag_signed_bitfields.
10427
10428         * cgraph.c (cgraph_varpool_n_nodes): Remove.
10429         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
10430         * cgraph.h: Remove the corresponding declaration.
10431
10432         * gcse.c (null_pointer_info): Remove.
10433
10434 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10435             Eric Botcazou  <ebotcazou@libertysurf.fr>
10436
10437         * combine.c (simplify_logical): Only simplify logical expressions
10438         of the form ior(and(x,y),z) by the inverse distributive law if the
10439         result is cheaper than the original.
10440
10441 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10442
10443         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
10444         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
10445         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
10446         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
10447         config/freebsd-spec.h, config/arm/arm.h,
10448         config/h8300/h8300.md, config/i386/i386.md,
10449         config/i386/predicates.md, config/i386/sse.md,
10450         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
10451         config/vax/vax.md: Fix comment typos.  Follow spelling
10452         conventions.
10453
10454 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10455
10456         * gengtype.c (walk_type): Produce `not equal to' compares for loop
10457         tests, instead of `less than'.
10458
10459 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
10460
10461         * function.c (assign_parm_setup_block): When creating a new stack slot
10462         for a parameter, get its alignment from the parameter's DECL_ALIGN
10463         rather than the type's TYPE_ALIGN.  Make sure that the parameter
10464         is at least word aligned.
10465
10466 2005-01-22  Roger Sayle  <roger@eyesopen.com>
10467
10468         PR middle-end/19378
10469         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
10470
10471 2005-01-22  Richard Henderson  <rth@redhat.com>
10472
10473         PR target/19506
10474         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
10475         in both compare operands.
10476         (movdfcc_1_sse_max): Likewise.
10477         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
10478         (movdfcc_1_sse): Likewise.
10479         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
10480         scratch register as needed.
10481
10482 2005-01-22  Richard Henderson  <rth@redhat.com>
10483
10484         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
10485
10486         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
10487
10488 2005-01-22  Richard Henderson  <rth@redhat.com>
10489
10490         * genopinit.c (optabs): Use smin/smax for floating point too.
10491         * doc/md.texi: Update to match.  Clarify that floating point
10492         results are undefined for +0/-0 and NaN.
10493         * doc/rtl.texi: Likewise.
10494         * rtl.def (SMIN, SMAX): Likewise
10495         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
10496
10497         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
10498         leading 's' to the name.
10499         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
10500         smaxxf3, sminxf3): Likewise.
10501         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
10502         Likewise.
10503
10504 2005-01-22  Paul Brook  <paul@codesourcery.com>
10505
10506         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
10507
10508 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
10509
10510         * config/s390/s390.c (struct processor_costs): New fields
10511         dlgr, dlr, dr, dsgfr, dsgr.
10512         (z900_cost, z990_cost): Values for new fields.
10513         (s390_rtx_costs): New cases MEM und COMPARE in switch
10514         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
10515         DIV, MOD, UDIV, UMOD.
10516
10517 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10518
10519         * config/s390/s390.md ("doloop_si64"): Reload input value directly
10520         into the register being decremented.
10521         ("doloop_si31", "doloop_di"): Likewise.
10522         ("*doloop_si_long"): Adapt pattern.
10523
10524 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10525
10526         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10527         access registers.
10528         (CLASS_MAX_NREGS): Likewise.
10529
10530 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10531
10532         * doc/tree-ssa.texi (Statement Operands): Add example for new
10533         must-def macro. Note deprecation of old operands interface.
10534
10535 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10536
10537         PR tree-optimization/19484
10538         * tree-cfg.c (remove_fallthru_edge): New function.
10539         (cleanup_control_flow): Remove fallthru edges from calls that are
10540         now known not to return.
10541
10542 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10543
10544         Fix PR tree-optimization/19038
10545         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10546         copies with loop variant ones.
10547
10548 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10549
10550         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10551         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10552         config/alpha/alpha.md, config/alpha/predicates.md,
10553         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10554         config/sparc/sol2.h: Update copyright.
10555
10556         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10557         first label to see if it is a nonlocal label.
10558
10559 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10560             Andrew Pinski  <pinskia@physics.uc.edu>
10561
10562         PR target/19491
10563         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10564         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10565
10566 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10567
10568         * config/rs6000/rtems.h: Update copyright.
10569
10570 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10571
10572         PR target/19548
10573         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10574         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10575         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10576
10577 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10578
10579         PR c/18809
10580         * c-typeck.c (convert_arguments): Check for error_mark_node.
10581
10582 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10583
10584         PR tree-optimization/13000
10585         * tree-inline.c: Include "tree-flow.h".
10586         (expand_call_inline): If warn_return_type, warn if non-void inline
10587         function falls through.
10588         * tree-cfg.c (execute_warn_function_return): Don't warn about
10589         control reaching end if TREE_NO_WARNING is set.  Set
10590         TREE_NO_WARNING.
10591         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10592         has been lowered.
10593         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10594         branch if we don't need one.
10595         * c-typeck.c: Include "tree-flow.h"
10596         (c_finish_bc_stmt): Don't add a goto if the current statement
10597         list doesn't fall through to the current point.
10598
10599 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10600
10601         PR rtl-optimization/576
10602         * real.c (real_arithmetic): Change return type from void to bool
10603         to return an indication that the result may be inexact.
10604         * real.h (real_arithmeric): Update prototype.
10605         * fold-const.c (const_binop):  Don't constant fold floating
10606         point expressions when the user specifies -frounding-math and
10607         the result may depend upon the run-time rounding mode.
10608         (fold_convert_const_real_from_real): Clean-up.
10609         (fold_initializer): Ignore flag_rounding_math for initializers.
10610         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10611         constant fold FP operations with flag_rounding_math if the
10612         result may depend upon the run-time rounding mode.
10613
10614 2005-01-21  Tom Tromey  <tromey@redhat.com>
10615
10616         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10617
10618 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10619
10620         * tree-cfg.c: Fix comment typos.
10621
10622 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10623
10624         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10625         around the call to rest_of_handle_branch_target_load_optimize.
10626
10627 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10628
10629         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10630         (sparc64-*-openbsd*): Likewise.
10631         (sparclite-*-elf*): Include tm-dwarf2.h.
10632         (sparc86x-*-elf*): Likewise.
10633         (sparc64-*-elf*): Likewise.
10634         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10635         (DBX_DEBUGGING_INFO): Likewise.
10636         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10637         (PREFERRED_DEBUGGING_TYPE): Likewise.
10638         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10639         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10640         (PREFERRED_DEBUGGING_TYPE): Likewise.
10641         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10642         (PREFERRED_DEBUGGING_TYPE): Likewise.
10643         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10644
10645 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10646
10647         PR target/18701
10648         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10649
10650 2005-01-20  Paul Brook  <paul@codesourcery.com>
10651
10652         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10653
10654 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10655
10656         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10657         label is first in a sequence of labels.
10658
10659         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10660
10661 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10662             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10663
10664         * doc/sourcebuild.texi (Test Directives): New.
10665
10666 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10667
10668         * real.c (real_floor): Don't leave the result uninitialized when
10669         mode is VOIDMode, but return the unrounded intermediate value.
10670         (real_ceil): Likewise.
10671
10672 2005-01-20  Paul Brook  <paul@codesourcery.com>
10673
10674         * config/arm/arm.md (insv): Use gen_int_mode.
10675
10676 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10677
10678         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10679         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10680         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10681         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10682         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10683
10684 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10685
10686         Fix PR debug/19124
10687         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10688         fbreg, so we have to assume we can't.
10689         (loc_descriptor_from_tree_1): Ditto.
10690         (containing_function_has_frame_base): New function.
10691         (add_location_or_const_value_attribute): Use it.
10692         Also try to generate a frame_base from a single element location
10693         list.
10694
10695 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10696
10697         PR tree-optimization/15349
10698         * timevar.def (TV_TREE_MERGE_PHI): New.
10699         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10700         PHI_WANTED.
10701         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10702         calls to tree_forwarder_block_p.
10703         (remove_forwarder_block_with_phi, merge_phi_nodes,
10704         gate_merge_phi, pass_merge_phi): New.
10705         * tree-optimize.c (init_tree_optimization_passes): Add
10706         pass_merge_phi.
10707         * tree-pass.h: Add an extern for pass_merge_phi;
10708
10709 2005-01-20  Richard Henderson  <rth@redhat.com>
10710
10711         PR target/19418
10712         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10713         (_mm_castps_pd, _mm_castps_si128): New.
10714         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10715
10716 2005-01-20  Richard Henderson  <rth@redhat.com>
10717
10718         PR target/19530
10719         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10720         __builtin_ia32_vec_init_v2si.
10721         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10722         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10723         (ix86_init_mmx_sse_builtins): Create it.
10724         (ix86_expand_builtin): Expand it.
10725         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10726         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10727         (vec_extractv2si_0, vec_extractv2si_1): New.
10728
10729 2005-01-20  Richard Henderson  <rth@redhat.com>
10730
10731         PR target/16533
10732         * config/i386/i386.c (ix86_expand_push): New.
10733         * config/i386/mmx.md (push<MMXMODE>1): New.
10734         * config/i386/sse.md (push<SSEMODE>1): New.
10735         * config/i386/i386-protos.h: Update.
10736
10737 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10738
10739         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10740         copyright.
10741
10742 2005-01-20  Richard Henderson  <rth@redhat.com>
10743
10744         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10745         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10746
10747 2005-01-19  Richard Henderson  <rth@redhat.com>
10748
10749         PR target/19350
10750         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10751         to V4SFmode in SSE1 fallback load path.
10752
10753 2005-01-19  Richard Henderson  <rth@redhat.com>
10754
10755         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10756         in QImode expansion to ix86_expand_vector_set.
10757         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10758
10759 2005-01-19  Richard Henderson  <rth@redhat.com>
10760
10761         PR target/19511
10762         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10763         subclass of the input class.
10764         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10765         Always true for cross-SSE1 classes.  Rationalize conditionals.
10766         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10767         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10768         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10769         (movdi_2): Add MMX/SSE zeros.
10770         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10771         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10772         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10773         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10774         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10775         (zero_extendsidi2_rex64_1): Remove.
10776         (MOV0 peephole): Check GENERAL_REG_P.
10777
10778 2005-01-19  Richard Henderson  <rth@redhat.com>
10779
10780         PR target/19427
10781         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10782         shufps elements.
10783         (ix86_expand_vector_extract): Likewise.
10784
10785 2005-01-19  Richard Henderson  <rth@redhat.com>
10786
10787         PR middle-end/19304
10788         * expr.c (emit_move_change_mode): New argument force; use
10789         simplify_gen_subreg if true.
10790         (emit_move_via_alt_mode): Merge into ...
10791         (emit_move_via_integer): ... here.
10792         (emit_move_ccmode): Use emit_move_change_mode directly.
10793
10794 2005-01-19  Richard Henderson  <rth@redhat.com>
10795
10796         PR target/19518
10797         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10798         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10799         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10800         rtl if true.
10801         (alpha_emit_set_const): Likewise.  Make static.
10802         (alpha_emit_set_long_const): Make static.
10803         (alpha_extract_integer): Split out from alpha_expand_mov.
10804         (alpha_split_const_mov): Likewise.
10805         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10806         (alpha_legitimate_constant_p): New.
10807         * config/alpha/alpha-protos.h: Update.
10808         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10809         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10810         * config/alpha/alpha.md (movsi): Add n alternative.
10811         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10812         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10813         (splitters for all of the above): Use alpha_split_const_mov.
10814         * config/alpha/predicates.md (non_add_const_operand): New.
10815         (non_zero_const_operand): New.
10816         (input_operand): Use alpha_legitimate_constant_p after reload.
10817
10818 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10819
10820         PR tree-optimization/19038
10821         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10822         (add_candidate): Add ivs with increment in latch only if
10823         allow_ip_end_pos_p is true.
10824         (determine_iv_cost): Use empty_block_p.
10825
10826 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10827
10828         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10829         (compute_dominance_frontiers): Ditto.
10830
10831 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10832
10833         PR target/19529
10834         * config/sh/t-rtems: New.
10835         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10836
10837 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10838
10839         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10840         the offset of the selected field.
10841
10842 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10843
10844         * tree-cfg.c (remove_forwarder_block): Fix the check to
10845         prevent a nonlocal label from appearing in the middle of a
10846         basic block.
10847
10848 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10849
10850         PR rtl-optimization/19462
10851         * reorg.c (find_end_label): Create return insn only if
10852         current_function_epilogue_delay_list is empty.
10853
10854 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10855
10856         * doc/passes.texi: Remove paragraph mentioning new-ra.
10857
10858 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10859
10860         PR rtl-optimization/15139
10861         * combine.c: Include params.h.
10862         (count_rtxs): New function.
10863         (record_value_for_reg): If replace_rtx would replace at least
10864         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10865         (clobber (const_int 0)) instead of TEM.
10866         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10867         * params.h (MAX_LAST_VALUE_RTL): New.
10868         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10869         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10870
10871         PR c/17297
10872         * c-typeck.c (digest_init): Only call build_vector if all constructor
10873         elements are *_CST nodes.
10874         * gimplify.c (gimplify_init_constructor): Likewise.
10875
10876         PR middle-end/19164
10877         * c-typeck.c (digest_init): Only call build_vector if inside_init
10878         is a CONSTRUCTOR.
10879
10880 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10881
10882         * toplev.c (init_asm_output): Remove dead #ifdef.
10883
10884 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10885
10886         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10887
10888 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10889
10890         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10891         accessing DECL_FUNCTION_CODE.
10892         * dojump.c (do_jump): Likewise.
10893         * gimplify.c (gimplify_call_expr): Likewise.
10894         * predict.c (expr_expected_value): Likewise.
10895         (strip_builtin_expect): Likewise.
10896         * tree-inline.c (estimate_num_insns_1): Likewise.
10897         * tree-ssa-loop-im.c (stmt_cost): Likewise
10898         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10899         (tree_expr_nonnegative_p): Likewise.
10900
10901 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10902
10903         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10904         variant of the load_pcrel_sym pattern.
10905         * config/sparc/sparc.md (P macro): Move to the top.
10906         (load_pcrel_sym): Macroize using P.
10907         (save_register_window): Likewise.
10908
10909 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10910
10911         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10912         ("sordered"): Same.
10913
10914 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10915
10916         PR C/19472
10917         * c-typeck.c (build_asm_expr): Strip nops off
10918         input memory operands.
10919
10920 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10921
10922         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10923         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10924         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10925         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10926
10927 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10928
10929         PR target/19379
10930         * config/i386/i386.c (override_options): If the 80387 is disabled,
10931         then do not return FP values using FP registers.
10932
10933 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10934
10935         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10936         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10937         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10938         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10939         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10940         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10941         output.h, postreload-gcse.c, postreload.c, recog.c,
10942         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10943         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10944         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10945         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10946         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10947         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10948         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10949         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10950
10951         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10952         config/alpha/alpha.c, config/arm/vfp.md,
10953         config/i386/emmintrin.h, config/i386/i386-modes.def,
10954         config/i386/i386-protos.h, config/i386/i386.h,
10955         config/i386/pmmintrin.h, config/i386/ppro.md,
10956         config/i386/predicates.md, config/i386/xmmintrin.h,
10957         config/i860/i860.c, config/ia64/ia64-modes.def,
10958         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10959         config/ia64/ia64.md, config/ia64/itanium1.md,
10960         config/ia64/itanium2.md, config/ia64/predicates.md,
10961         config/iq2000/iq2000.h, config/mips/linux64.h,
10962         config/rs6000/aix41.h, config/rs6000/aix43.h,
10963         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10964         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10965         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10966         config/sparc/linux64.h, config/sparc/litecoff.h,
10967         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10968         config/sparc/sparc.h, config/sparc/sparc.md,
10969         config/sparc/sysv4-only.h: Update copyright.
10970
10971 2005-01-18  Richard Henderson  <rth@redhat.com>
10972
10973         PR target/19496
10974         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10975
10976 2005-01-18  Marc Espie  <espie@openbsd.org>
10977         * config/i386/openbsdelf.h: Typo.
10978
10979 2005-01-18  Richard Henderson  <rth@redhat.com>
10980
10981         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10982         special case for sse.
10983         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10984
10985 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10986
10987         * tree-inline.c (estimate_num_insns_1): Added cases for
10988         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10989
10990 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10991
10992         PR rtl-optimization/19296
10993         * combine.c (simplify_comparison): Rewrite the condition under
10994         which a non-paradoxical SUBREG of a PLUS can be lifted when
10995         compared against a constant.
10996
10997 2005-01-18  Andi Kleen <ak@muc.de>
10998
10999         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
11000         * c.opt (-Wpointer-sign): Add.
11001         * doc/invoke.texi: (-Wpointer-sign): Add.
11002
11003 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
11004
11005         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
11006         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
11007         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
11008         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
11009         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
11010         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
11011         for TARGET_MIX_SSE_I387.
11012         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
11013         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
11014         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
11015         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
11016         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
11017         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
11018         TARGET_MIX_SSE_I387.
11019         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
11020         from expander.
11021
11022 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
11023
11024         PR target/19424
11025         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
11026         Add movaps alternative for xmm reg->reg move.
11027
11028 2005-01-17  Jeff Law  <law@redhat.com>
11029
11030         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
11031         at the end of the main DOM loop rather than just before DOM exits.
11032
11033 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
11034
11035         PR tree-optimization/19121
11036         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
11037         adding aliases to a name tag, also add them to the pointer's
11038         type tag.
11039         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
11040         sensitive alias info at all.  Only check that the two pointers
11041         have compatible pointed-to sets.
11042         * tree-ssa.c (verify_name_tags): Verify that the alias set of
11043         a pointer's type tag is a superset of the alias set of the
11044         pointer's name tag.
11045
11046 2005-01-17  James E Wilson  <wilson@specifixinc.com>
11047
11048         PR target/19357
11049         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
11050         comment to document why.
11051
11052 2005-01-17  Richard Henderson  <rth@redhat.com>
11053
11054         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
11055         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
11056         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
11057         sse2_vmsminv2df3_finite): New.
11058         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
11059         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
11060         Force op1 into register.
11061
11062 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
11063
11064         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
11065         bubblestrap from always rebuilding build directory.
11066
11067 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
11068
11069         * config/s390/s390.md ("*clc"): Remove incorrect '='.
11070         ("*cmpmem_short"): Likewise.
11071
11072 2005-01-17  Steven Bosscher  <stevenb@suse.de>
11073
11074         * basic-block.h: Document BB_* flags.
11075         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
11076         use an sbitmap instead.
11077         * sched-rgn.c (compute_trg_info): Likewise.
11078
11079 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
11080
11081         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
11082         redundant target_cpu_default and extra_parts lines.  Use the default
11083         "from-abi" ISA.
11084         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
11085         (SUBTARGET_EXTRA_SPECS): Delete.
11086         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
11087         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
11088         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
11089         and "n32" for -mabi=n32.
11090
11091 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11092
11093         PR c/5675
11094         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
11095         fold constant variables into initial values.
11096
11097 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11098
11099         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
11100
11101         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
11102         through the statements backward.
11103
11104 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11105
11106         PR middle-end/13127:
11107         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
11108         a variable set to the return value of the inlined function.
11109
11110 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
11111
11112         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
11113         when modes are tieable.
11114
11115 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
11116
11117         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
11118         of pthread_create to find out if threads are enabled.
11119         * gthr-posix95.h (__gthread_active_p): Likewise.
11120
11121 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
11122
11123         * common.opt (-fnew-ra): Remove.
11124         * ra*.*: Remove.
11125         * toplev.h (flag_new_regalloc): Remove.
11126         * Makefile.in (ra*.*): Don't mention.
11127         * passes.c (rest_of_handle_new_regalloc): Remove.
11128         (rest_of_handle_combine, rest_of_compilation): Always consider
11129         flag_new_regalloc as false.
11130         * doc/invoke.texi: Don't document -fnew-ra.
11131
11132 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
11133
11134         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
11135         last parameter to reg_scan.
11136         * loop.c (loop_optimize): Likewise.
11137         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
11138         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
11139         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11140         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11141         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
11142         * regclass.c (reg_scan): Likewise, for the declaration.
11143         * rtl.h (reg_scan): Likewise, for the prototype.
11144
11145 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11146
11147         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11148         mark_dfs_back_edges.
11149
11150 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
11151
11152         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11153         (compute_avail): Uses don't go in tmp_gen.
11154
11155 2005-01-16  Steven Bosscher  <stevenb@suse.de>
11156
11157         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11158         loop to look for a free slot in a page entry.
11159
11160 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11161
11162         PR target/16304
11163         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11164         * toplev.c (compile_file): Call process_pending_assemble_output_defs
11165         just before targetm.asm_out.file_end.
11166         * tree.h (process_pending_assemble_output_defs): Declare.
11167         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11168         New functions.
11169         (assemble_alias): Defer generation of assembly code for defines when
11170         TARGET_DEFERRED_OUTPUT_DEFS is true.
11171         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11172         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11173         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11174
11175 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11176
11177         PR target/19336
11178         * pa.c (pa_scalar_mode_supported_p): New function.
11179         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11180         * pa.h (MIN_UNITS_PER_WORD): Add comment.
11181
11182         * pa-protos.h (prefetch_operand): Delete.
11183         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11184         * pa.c (prefetch_operand): Delete.
11185         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11186         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11187         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
11188         and prefetch_nocc_operand.
11189         * pa.md (prefetch): Rework to avoid reload problems handling short
11190         displacements when a cache control completer needs to be provided.
11191         (prefetch_32, prefetch_64): Delete.
11192         (prefetch_cc, prefetch_nocc): New patterns.
11193
11194 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
11195
11196         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11197
11198 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11199
11200         PR ada/19388
11201         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11202         exceeds maximum alignment for global common data.
11203         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11204         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11205
11206 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11207
11208         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11209
11210 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11211
11212         * harg-reg-set.h (reg_class_names): Prototype global array.
11213         * regclass.c (reg_class_names): Declare here and initialize to
11214         REG_CLASS_NAMES.
11215         (dump_regclass): Remove local declaration of reg_class_names.
11216         (regclass): Likewise.
11217         * cfg.c (dump_flow_info): Likewise.
11218         * ra-debug.c (reg_class_names): Likewise.
11219         * regrename.c (reg_class_names): Likewise.
11220         * reload.c (reg_class_names): Likewise.
11221         * reload1.c (spill_failure): Likewise.
11222         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11223
11224 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
11225
11226         * config/s390/s390.md ("reload_outti"): Remove predicate for
11227         output operand.  Abort if operand is not a MEM.
11228         ("reload_outdi", "reload_outdf"): Likewise.
11229
11230 2005-01-15  Marc Espie  <espie@openbsd.org>
11231
11232         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11233         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11234         * config/openbsd.h:  Fix C++ includes for native configurations.
11235         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
11236         Add trampoline support.
11237         * config/i386/openbsdelf.h: New.
11238
11239 2005-01-15  Marc Espie  <espie@openbsd.org>
11240
11241         * collect2.c (main): Explicitly parse -dynamic-linker option.
11242
11243 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
11244
11245         PR tree-optimization/19060
11246         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
11247         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
11248         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
11249         and handle extract_range_from_cond returning false.
11250         * fold-const.c (fold): Optimize comparisons with min/max even for
11251         width > HOST_BITS_PER_WIDE_INT.
11252
11253 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
11254
11255         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
11256         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
11257         Remove little endian multilib variants.
11258         Add mips32 multilib variant.
11259
11260 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
11261
11262         * explow.c (copy_all_reg, stabilize): Remove.
11263         * expr.h: Remove the corresponding prototypes.
11264
11265         * rtlanal.c (regs_set_between_p): Remove.
11266         * rtl.h: Remove the corresponding prototype.
11267
11268 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
11269
11270         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
11271         to rs6000_nonimmediate_operand.
11272         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
11273         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
11274         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
11275         rs6000_nonimmediate_operand.
11276         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
11277         rs6000_nonimmediate_operand.
11278
11279 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
11280
11281         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
11282
11283 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11284
11285         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
11286         on e500v2.
11287         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
11288         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
11289
11290         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
11291         (rs6k_nonimmediate_operand): New.
11292         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
11293         correctly.
11294         (legitimate_lo_sum_address_p): Same.
11295         (rs6000_legitimize_address): Same.
11296         (rs6000_legitimize_reload_address): Same.
11297         (rs6000_legitimate_address): Same.
11298         (spe_build_register_parallel): Pass DF and DC modes in a DI
11299         register.
11300
11301         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
11302         to rs6k_nonimmediate_operand.
11303
11304         * config/rs6000/spe.md ("*frob_df_di"): New.
11305         ("*frob_di_df"): New.
11306         ("*frob_di_df_2"): New.
11307         ("*mov_sidf_e500_subreg0"): New.
11308         ("*mov_sidf_e500_subreg4"): New.
11309         ("*movdf_e500_double"): Change predicate to
11310         rs6k_nonimmediate_operand.
11311
11312 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11313
11314         * postreload.c (move2add_note_store): Only call
11315         trunc_int_for_mode on scalar integers.
11316
11317 2005-01-14  Steven Bosscher  <stevenb@suse.de>
11318
11319         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
11320         replace BB_VISITED uses.
11321         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
11322         (propagate_necessity): Check the bitmap instead of BB_VISITED.
11323         (tree_dce_done): Free visited_control_parents.
11324         (perform_tree_ssa_dce): Allocate and clear it.
11325         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
11326         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
11327         instead of BB_VISITED.
11328
11329 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
11330
11331         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
11332         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
11333         Remove unused prototypes.
11334
11335 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11336
11337         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
11338         64-bit register usage.
11339         (spe_func_has_64bit_regs_p): Add FIXME note.
11340
11341 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11342
11343         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
11344         flag_finite_math_only with flag_unsafe_math_optimizations.
11345
11346 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
11347
11348         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
11349         end-of-stack check.
11350         (__tpf_eh_return): Copy TPF private stack area from the module
11351         boundary stack frame.  Add check for when module addresses are
11352         equal, but no stub address is found.
11353
11354 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
11355
11356         PR target/7525
11357         * arm.h (struct machine_function): Add call_via field.
11358         (thumb_call_via_label): Declare.
11359         * arm.c (thumb_call_via_label): New variable.
11360         (thumb_call_reg_needed): New variable.
11361         (arm_output_function_epilogue): For Thumb code, output any per-function
11362         call-indirect trampolines.
11363         (thumb_call_via_reg): New function.
11364         (arm_file_end): New function.
11365         (TARGET_ASM_FILE_END): Call arm_file_end.
11366         (aof_file_end): Likewise.
11367         * arm-protos.h (thumb_call_via_reg): Declare.
11368         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
11369         thumb_call_via_reg in normal case.
11370
11371 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
11372
11373         PR middle-end/19084
11374         PR rtl-optimization/19348
11375         * recog.c (peephole2_optimize): Do global life update if some peephole
11376         decides it doesn't need at least one of its inputs and that change
11377         influences liveness at the start of the basic block.
11378
11379         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
11380         arguments instead of 1.
11381
11382 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
11383
11384         PR middle-end/18820
11385         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
11386         zero for nested functions needing a static chain or functions
11387         with a non-constant address.
11388
11389 2005-01-13  Roger Sayle  <roger@eyesopen.com>
11390
11391         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
11392         (and (sign_extend X) C) into (zero_extend (and X C)).
11393
11394 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
11395
11396         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
11397
11398 2005-01-13  Richard Henderson  <rth@redhat.com>
11399
11400         PR target/19009
11401         PR target/19250
11402         PR target/19252
11403         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
11404         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
11405         not just TARGET_SSE.
11406         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
11407         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
11408         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
11409         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
11410         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
11411         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
11412         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
11413         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
11414         (movdicc_c_rex64): Rename with '*'.
11415         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
11416         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
11417         (movsfcc_1_387): Rename from movsfcc_1.
11418         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
11419         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
11420         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
11421         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
11422         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
11423         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
11424         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
11425         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
11426         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
11427         sse_movdfcc_const0_4): Remove.
11428         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
11429         recognize min/max early.  Update for changed sse cmove patterns.
11430         (ix86_split_sse_movcc): New.
11431         * config/i386/i386-protos.h: Update.
11432
11433 2005-01-13  Steven Bosscher  <stevenb@suse.de>
11434
11435         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
11436         (fix_stmt_v_may_defs): Likewise.
11437
11438 2005-01-13  Richard Henderson  <rth@redhat.com>
11439
11440         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
11441         for converting the mask.
11442
11443 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
11444
11445         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
11446         definition to 600.
11447
11448 2005-01-13  Richard Henderson  <rth@redhat.com>
11449
11450         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
11451         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
11452         IX86_BUILTIN_MOVDQ2Q): Remove.
11453         (IX86_BUILTIN_VEC_EXT_V4SI): New.
11454         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
11455         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
11456         shuffling.
11457         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
11458         (sse2_pextrw): Fix immediate constraint.
11459         (sse2_loadq, sse2_loadq_rex64): Remove.
11460         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
11461         Use __builtin_ia32_vec_ext_<size>.
11462         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
11463
11464 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
11465
11466         * function.c (assign_parm_setup_block): Look inside original
11467         entry_parm when inspecting PARALLEL.
11468
11469 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
11470             Joel Sherrill  <joel@oarcorp.com>
11471
11472         PR target/19399
11473         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
11474         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
11475         rtems_gxx_recursive_mutex_init.
11476         (__gthread_recursive_mutex_lock): New function.
11477         (__gthread_recursive_mutex_trylock): Likewise.
11478         (__gthread_recursive_mutex_unlock): Likewise.
11479
11480 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
11481
11482         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
11483
11484 2005-01-13  Jan Beulich  <jbeulich@novell.com>
11485
11486         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
11487         (ashrti3_internal): Indicate output is early clobber. Generate result
11488         into output rather than first input. Use move for low word of output
11489         if shift count is exactly 64.
11490         (lshrti3_internal): Likewise.
11491
11492 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
11493
11494         PR target/18329
11495         PR target/18330
11496         * reload1.c (delete_output_reload): Don't delete an output reload
11497         if the pseudo lives longer than a single basic block.  Adjust and
11498         improve wording of comment.
11499
11500 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
11501
11502         PR target/19334
11503         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
11504         of TYPE_SIZE where we mean the number of bytes.
11505
11506 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
11507
11508         * function.c (assign_parm_setup_block): Relax condition on
11509         multi-register optimization.
11510
11511 2005-01-12  Nick Clifton  <nickc@redhat.com>
11512
11513         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
11514         an "in_delay_slot" attribute of "no" to prevent them being used in
11515         delay slots.  This is forbidden because they might generate
11516         exceptions.
11517
11518 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
11519
11520         PR target/19389
11521         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
11522         with r->Y and Y->r.
11523
11524 2005-01-12  Nick Clifton  <nickc@redhat.com>
11525
11526         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11527         passed on to GAS) but do not define, as GAS no longer supports or
11528         needs the -m2000 option.
11529
11530 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11531
11532         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11533         type as args of unprototyped builtins aren't automatically promoted.
11534         (fold_builtin_abs): Likewise.
11535
11536 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11537
11538         * Makefile.in: Set a `build-warn' variable.
11539
11540 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11541
11542         PR tree-optimization/17949
11543         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11544         (find_interesting_uses_address): Use it.
11545
11546 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11547
11548         * regrename.c (kill_value): Handle subreg's that won't simplify.
11549
11550 2005-01-11  Richard Henderson  <rth@redhat.com>
11551
11552         PR target/13366
11553         * config/i386/i386.h (enum ix86_builtins): Move ...
11554         * config/i386/i386.c: ... here.
11555         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11556         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11557         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11558         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11559         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11560         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11561         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11562         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11563         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11564         IX86_BUILTIN_LOADDDUP): Remove.
11565         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11566         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11567         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11568         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11569         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11570         (ix86_init_builtins): Make static.
11571         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11572         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11573         if all the modes match.  Otherwise, fake it.
11574         (get_element_number, ix86_expand_vec_init_builtin,
11575         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11576         (ix86_expand_builtin): Make static.  Update for changed builtins.
11577         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11578         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11579         (ix86_expand_vector_init_duplicate): New.
11580         (ix86_expand_vector_init_low_nonzero): New.
11581         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11582         Split out from ix86_expand_vector_init; handle integer modes.
11583         (ix86_expand_vector_init): Use them.
11584         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11585         * config/i386/i386-protos.h: Update.
11586         * config/i386/predicates.md (reg_or_0_operand): New.
11587         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11588         (movv2sf_internal): Likewise.  And a splitter to match them all.
11589         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11590         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11591         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11592         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11593         (mmx_pinsrw): Fix operand ordering.
11594         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11595         rather than sse_loadss expander.
11596         (movv2df splitter): Similarly.
11597         (sse_loadss, sse_loadlss): Remove.
11598         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11599         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11600         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11601         (sse3_movddup): Rename with '*'.
11602         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11603         (sse2_loadsd): Remove.
11604         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11605         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11606         (sse2_pinsrw): Fix argument ordering.
11607         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11608         (sse2_stored): Remove 'r' destination.
11609         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11610         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11611         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11612         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11613         vec_extractv16qi, vec_initv16qi): New.
11614
11615         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11616         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11617         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11618         constructor form.
11619         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11620         (_mm_load_si128, _mm_store_si128): Likewise.
11621         (_mm_load1_pd): Use _mm_set1_pd.
11622         (_mm_load_sd): Use _mm_set_sd.
11623         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11624         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11625         (_mm_set_epi64): Use _mm_set_epi64x.
11626         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11627         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11628         _mm_setr_epi8): Use _mm_set_foo form.
11629         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11630         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11631         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11632         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11633         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11634         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11635         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11636         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11637         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11638         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11639         (_mm_movedup_pd): Use _mm_shuffle_pd.
11640         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11641         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11642         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11643         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11644         Use _mm_setzero_ps.
11645         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11646         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11647         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11648         (_mm_store_ps): Use raw dereference.
11649         (_mm_store1_ps): Use _mm_storeu_ps.
11650         (_mm_storer_ps): Use _mm_store_ps.
11651         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11652         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11653
11654 2005-01-11  Stan Shebs  <shebs@apple.com>
11655
11656         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11657         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11658
11659 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11660
11661         PR target/18761
11662         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11663         Skip all DECLs except for FIELD_DECLs.
11664
11665 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11666
11667         * config/s390/s390.c (override_options): Return error if
11668         -mbackchain, -mpacked-stack and -mhard-float are used together.
11669         (s390_va_start): Remove the backchain && packed-stack special case.
11670         (s390_gimplify_va_arg): Likewise.
11671         * doc/invoke.texi: Remove the ABI incompatibility note.
11672
11673 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11674
11675         * config/s390/s390.c (struct s390_frame_layout): Remove
11676         save_backchain_p.
11677         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11678         save_backchain_p with TARGET_BACKCHAIN.
11679
11680 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11681
11682         PR target/18916
11683         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11684         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11685         * function.c (locate_and_pad_parm): Set new field.
11686         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11687         Tweak where_pad test to include "none".  Always set mem align for
11688         stack_parm.
11689         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11690         not sufficient for type.
11691         (assign_parm_setup_block): If stack_parm is zero on entry, always
11692         make a new stack local.  Block move old stack parm if necessary
11693         to new aligned stack local.
11694         (assign_parm_setup_stack): Use a block move to handle
11695         potentially misaligned entry_parm.
11696         (assign_parms_unsplit_complex): Specify required alignment when
11697         creating stack local.
11698         * calls.c (compute_argument_addresses): Override alignment of stack
11699         arg calculated from its type with the alignment given by
11700         FUNCTION_ARG_BOUNDARY.
11701         (store_one_arg): Likewise.
11702
11703 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11704
11705         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11706         Change respective itanium_class attribute to ialu.
11707         (shladdp4_internal): New.
11708         * config/ia64/predicates.md (shladd_log2_operand): New.
11709
11710 2005-01-11  Richard Henderson  <rth@redhat.com>
11711
11712         * expr.c (store_constructor): Use rtvec_alloc instead of
11713         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11714
11715 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11716
11717         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11718
11719 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11720
11721         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11722         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11723         (TARGET_RWRELOC): Define.
11724         (ia64_rwreloc_section_type_flags): Delete.
11725         (ia64_section_type_flags): New function.
11726         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11727         (TARGET_RWRELOC): Define.
11728
11729 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11730
11731         PR target/18987
11732         * config/ia64/ia64.c (process_set): For alloc insn, only call
11733         process_epilogue is !frame_pointer_needed.
11734
11735 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11736
11737         PR c++/19355
11738         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11739         unary operator and can't be treated as a binary/comparison operator.
11740
11741 2005-01-10  Richard Henderson  <rth@redhat.com>
11742
11743         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11744         (ix86_return_in_memory): Likewise.
11745         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11746         for choosing register to advance.
11747
11748 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11749
11750         * tree-vectorizer.c, tree.def: Fix comment typos.
11751
11752 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11753
11754         * config/s390/s390.c (struct processor_costs): 4 new fields:
11755         ddbr, ddr, debr, der.
11756         (s390_rtx_costs): More precise handling of divide instructions.
11757
11758 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11759
11760         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11761
11762 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11763
11764         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11765         names resulting from -ffunction-sections/-fdata-sections and linkonce
11766         ones.
11767         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11768         based on the section name. Rearrange the section name comparison logic
11769         slightly so that each section name is compared against at most once.
11770
11771 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11772
11773         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11774         targets for which -fPIC reduces limitations on the GOT size.
11775
11776 2005-01-09  Falk Hueffner  <falk@debian.org>
11777
11778         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11779         X/C1 cmpop C2.
11780
11781 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11782
11783         PR target/18720
11784         * collect2.c (main): Set aixrtl_flag for -brtl option.
11785         (resolve_lib_name): Search for .so file extension before .a
11786         if aixrtl_flag set.
11787
11788 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11789
11790         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11791         (vect_analyze_data_refs_alignment): Add dump prints.
11792
11793 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11794
11795         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11796         expr_invariant_in_loop_p.
11797         Initialize outputs first thing in the function.
11798         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11799         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11800         (vect_analyze_pointer_ref_access): Check that the initial condition of
11801         the access function is loop invariant.
11802
11803 2005-01-09  Richard Henderson  <rth@redhat.com>
11804
11805         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11806         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11807         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11808         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11809         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11810         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11811         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11812         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11813         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11814         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11815         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11816         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11817         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11818         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11819         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11820         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11821         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11822         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11823         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11824         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11825         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11826         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11827         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11828         mmx_ prefix.
11829         (mmx_clrdi, pavgusb): Remove.
11830         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11831         with leading sse_ prefix.
11832         * config/i386/sse.md: Receive them.
11833         * config/i386/mmx.md: New file.
11834         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11835         (subrv2sf3): Turn into expander for normal subtraction.
11836         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11837         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11838         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11839         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11840         commutative; use ix86_binary_operator_ok.
11841         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11842         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11843         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11844         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11845         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11846         Macroize from existing patterns; use ix86_binary_operator_ok.
11847         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11848         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11849         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11850         with vec_select+vec_concat.
11851         (mmx_pshufw, mmx_pshufw_1): Likewise.
11852         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11853         (mmx_uavgv4hi3): Model correctly.
11854         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11855         _mm_xor_si64): Remove casts.
11856
11857 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11858
11859         PR tree-optimization/19224
11860         * tree-scalar-evolution.c (get_instantiated_value,
11861         set_instantiated_value): New functions.
11862         (instantiate_parameters_1): Cache the results.
11863         (instantiate_parameters, resolve_mixers): Initialize and free
11864         the cache.
11865
11866 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11867
11868         * config/i386/i386.md (addhi_4): Correct reference in comment.
11869         (addqi_4): Same.
11870
11871 2005-01-08  Richard Henderson  <rth@redhat.com>
11872
11873         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11874         (_mm_cvtsi128_si64x): Likewise.
11875         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11876         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11877         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11878         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11879         * config/i386/i386-protos.h: Update.
11880         * config/i386/i386.c (print_operand): Add 'H'.
11881         (ix86_fixup_binary_operands): Split out from ...
11882         (ix86_expand_binary_operator): ... here.
11883         (ix86_fixup_binary_operands_no_copy): New.
11884         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11885         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11886         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11887         (safe_vector_operand): Use CONST0_RTX.
11888         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11889         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11890         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11891         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11892         special cases.
11893         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11894         (IX86_BUILTIN_CMPNGESS): New.
11895         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11896         (attr type): Add sselog1.
11897         (attr unit, attr memory): Handle it.
11898         (movti, movti_internal, movti_rex64): Move near other integer moves.
11899         (movtf, movtf_internal): Move near other fp moves.
11900         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11901         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11902         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11903         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11904         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11905         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11906         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11907         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11908         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11909         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11910         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11911         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11912         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11913         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11914         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11915         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11916         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11917         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11918         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11919         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11920         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11921         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11922         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11923         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11924         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11925         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11926         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11927         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11928         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11929         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11930         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11931         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11932         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11933         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11934         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11935         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11936         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11937         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11938         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11939         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11940         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11941         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11942         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11943         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11944         same time.
11945         (SSEPUSH, push<SSEPUSH>): Remove.
11946         (MMXPUSH, push<MMXPUSH>): Remove.
11947         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11948         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11949         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11950         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11951         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11952         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11953         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11954         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11955         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11956         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11957         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11958         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11959         (ppro_sse_log_V4SF): Handle sselog1.
11960         * config/i386/predicates.md (const_0_to_1_operand): New.
11961         (const_0_to_255_mul_8_operand): New.
11962         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11963         (const_2_to_3_operand, const_4_to_7_operand): New.
11964         * config/i386/sse.md: New file.
11965         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11966         (sse_movups): Rename from sse_movups_1.
11967         (sse_loadlss): Rename from sse_loadss_1.
11968         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11969         from the name.
11970         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11971         (absv4sf2, negv2df, absv2df): New.
11972         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11973         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11974         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11975         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11976         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11977         (sse3_addsubv4sf3): Model correctly.
11978         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11979         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11980         (sse_movhlps): Model with vec_select+vec_concat.
11981         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11982         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11983         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11984         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11985         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11986         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11987         sse2_pshufhw_1): Likewise.
11988         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11989         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11990         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11991         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11992         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11993         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11994         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11995         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11996         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11997         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11998         sminv8hi3): Mark commutative
11999         operands.  Use ix86_binary_operator_ok.
12000         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
12001         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
12002         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
12003         sse2_punpcklqdq): Allow operand2 in memory.
12004         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
12005         sse2_movsd): Add memory alternatives.
12006         (sse_storelps): Turn expander into an insn; split after reload.
12007         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
12008         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
12009
12010 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
12011
12012         * configure.ac (DWARF-2 debug_line): Use objdump.
12013         * configure: Regenerate.
12014
12015 2005-01-08  Jeff Law  <law@redhat.com>
12016             Diego Novillo  <dnovillo@redhat.com>
12017
12018         PR tree-optimization/18241
12019         * tree-nrv.c (tree_nrv): Ignore volatile return values.
12020         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
12021         statements with volatile operands.
12022         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
12023         operands after marking a statement with has_volatile_ops.
12024
12025 2005-01-08  Roger Sayle  <roger@eyesopen.com>
12026
12027         * tree.c (int_fits_type_p): Always honor integer constant
12028         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
12029
12030 2005-01-08  Roger Sayle  <roger@eyesopen.com>
12031
12032         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
12033         the latent bug in rtl_delete_block has been resolved.
12034
12035 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12036
12037         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
12038         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
12039
12040 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12041
12042         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
12043         library as @multilib_dir@/$(SHLIB_SONAME).
12044
12045 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12046
12047         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
12048         * configure: Regenerate.
12049
12050 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12051
12052         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
12053         TYPE_MODE.
12054
12055 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
12056
12057         PR target/13674
12058         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
12059         Convert non-word aligned offset address using ld/std into
12060         indirect address.
12061
12062 2005-01-07  Richard Henderson  <rth@redhat.com>
12063
12064         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
12065
12066 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
12067
12068         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
12069
12070 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12071
12072         PR tree-optimization/19283
12073         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
12074         is not shorter than the original type.
12075
12076         PR rtl-optimization/19012
12077         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
12078
12079         PR rtl-optimization/18861
12080         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
12081         (FULL_STATE): Define.
12082         (mark_tablejump_edge): New function.
12083         (purge_dead_tablejump_edges): New function.
12084         (find_bb_boundaries): Use it.
12085
12086         PR tree-optimization/18828
12087         * builtins.c (expand_builtin_next_arg): Remove argument and all
12088         the argument checking.
12089         (expand_builtin): Adjust caller.
12090         (expand_builtin_va_start): Likewise.  Remove error for too many
12091         arguments.
12092         (fold_builtin_next_arg): Issue error for too many arguments.
12093         After checking arguments, replace them with magic arguments that
12094         prevent further checking of the args.
12095
12096 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12097
12098         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
12099
12100 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12101
12102         PR target/6077
12103         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
12104         and %{.S:...} (and their negative variants) to test whether the
12105         input file is assembler or pre-processed-assembler independent of
12106         the actual filename extension.
12107
12108 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12109
12110         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
12111         of sign or zero extended values.
12112
12113 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
12114
12115         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
12116         for IBM long double format correctly.
12117
12118 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
12119
12120         Fix PR tree-optimization/18792
12121
12122         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
12123         to first_loop_depth, and use loop depth instead of loop number.
12124         (build_classic_dir_vector): Ditto.
12125         (compute_data_dependences_for_loop): Use depth, not loop number.
12126         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
12127         number. Pass in loops, instead of loop numbers.
12128         (gather_interchange_stats): Ditto.
12129         (linear_transform_loops): Ditto.
12130
12131 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
12132
12133         PR rtl-opt/13299
12134         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
12135         biv_fits_mode_p, extension_within_bounds_p): New functions.
12136         (check_ext_dependent_givs): Use them.
12137
12138 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12139
12140         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
12141         more than one barrier, in which case we should delete them all.
12142
12143 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
12144
12145         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12146
12147 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
12148
12149         Fix PR middle-end/19286
12150         Fix PR debug/19267
12151         * dwarf2out.c (gen_subprogram_die): If we've already tried to
12152         output this subprogram, simply ignore this attempt to do it again.
12153         (add_abstract_origin_attribute): Don't abort trying to add the abstract
12154         origin attribute if it's not possible.
12155         (gen_block_die): Don't ignore subblocks of "unused" blocks.
12156         (decls_for_scope): Ditto.
12157         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12158         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12159
12160 2005-01-05  Richard Henderson  <rth@redhat.com>
12161
12162         PR target/11327
12163         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12164         (bdesc_2arg): Use it.
12165         (ix86_expand_binop_builtin): Force operands into registers
12166         when optimizing.
12167         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12168         ix86_expand_sse_compare, ix86_expand_sse_comi,
12169         ix86_expand_builtin): Likewise.
12170
12171 2005-01-05  Richard Henderson  <rth@redhat.com>
12172
12173         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12174         and VEC_SELECT.
12175         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12176         (mulv4hi3): Set itanium_class mmmul.
12177         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12178         (fpack): Rename from fpack_sfsf.
12179
12180 2005-01-05  Richard Henderson  <rth@redhat.com>
12181
12182         PR rtl-opt/10692
12183         * reload1.c (do_input_reload): Restrict the optimization deleteing
12184         a previous output reload to RELOAD_FOR_INPUT.
12185
12186 2005-01-05  Steven Bosscher  <stevenb@suse.de>
12187
12188         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
12189         comment that we fall through after case.
12190         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12191         (distribute_links): Likewise.
12192         * cse.c (cse_insn): Likewise.
12193         * cselib.c (cselib_invalidate_mem): Likewise.
12194         * df.c: Update comments at the top of the file.
12195         (read_modify_subreg_p): Update comments here too.
12196         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12197         * flow.c (mark_set_1): Likewise.
12198         (mark_used_regs): Likewise.
12199         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12200         (canon_list_insert): Likewise.
12201         (mark_set): Likewise.
12202         (try_replace_reg): Likewise.
12203         (store_killed_in_insn): Likewise.
12204         * loop.c (count_one_set): Likewise.
12205         (basic_induction_var): Likewise.
12206         * postreload-gcse.c (find_mem_conflicts): Likewise.
12207         * postreload.c (reload_combine_note_store): Likewise.
12208         (move2add_note_store): Likewise.
12209         * reload.c (find_equiv_reg): Likewise.
12210         (mark_referenced_resources): Likewise.
12211         * rtlanal.c (set_noop_p): Likewise.
12212         (note_stores): Likewise.
12213         (note_uses): Likewise.
12214         * sched-deps.c (sched_analyze_1): Likewise.
12215         * sched-rgn.c (check_live_1): Likewise.
12216         (update_live_1): Likewise.
12217         * config/i860/i860.c: Likewise.
12218
12219         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12220         an lvalue.
12221         (ZERO_EXTRACT): Mention that this one can be an lvalue.
12222
12223         * doc/rtl.texi: Update documentation for bit-fields and SET.
12224
12225 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12226
12227         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12228
12229 2005-01-05  Jan Hubicka  <jh@suse.cz>
12230             Richard Henderson  <rth@redhat.com>
12231
12232         PR target/18910
12233         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12234         with an offset.
12235
12236 2005-01-05  Richard Henderson  <rth@redhat.com>
12237
12238         PR target/12902
12239         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12240         (sse_shufps): Change operand 3 to const_int_operand.
12241         (sse2_storelps): Fix typo in template.
12242         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
12243         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
12244         (ix86_expand_builtin): Likewise.
12245
12246 2005-01-05  Julian Brown  <julian@codesourcery.com>
12247
12248         * config/arm/arm.c (arm_return_in_memory): Treat complex types
12249         as aggregates for AAPCS ABIs.
12250
12251 2005-01-05  Stan Shebs  <shebs@apple.com>
12252
12253         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
12254         Mach-O getters if ppc64.
12255         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
12256         size argument.
12257         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
12258         signed four-byte field for global code case.
12259         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
12260
12261 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12262
12263         PR middle-end/19100
12264         * c-common.c: Include real.h.
12265         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
12266         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
12267         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
12268         * Makefile.in (c-common.o): Update dependencies.
12269
12270 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12271
12272         * c-parse.in (asm_string): Add trailing semicolon.
12273
12274 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12275
12276         * c-parse.in (asm_string): New.  Don't allow wide strings in
12277         'asm'.
12278         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
12279         asm_string instead of STRING.
12280
12281 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12282
12283         * c-typeck.c (constructor_no_implicit): Remove.
12284         (set_designator, process_init_element): Don't check
12285         constructor_no_implicit.
12286
12287 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
12288             Kaz Kojima  <kkojima@gcc.gnu.org>
12289
12290         PR target/16482
12291         * lcm.c (create_pre_exit): New.
12292         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
12293         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
12294
12295 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12296
12297         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
12298         -msoft-float in target_float_switch.
12299         * arm.c (arm_override_options): Fix processing of target_float_switch.
12300
12301 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12302
12303         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
12304         preferencing.
12305
12306 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
12307
12308         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
12309         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
12310
12311 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12312
12313         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
12314         if deleting the then-block allows the test-block to fallthru to the
12315         else-block.
12316
12317 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
12318
12319         PR c/19152
12320         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
12321         after the full declaration if the are in two different TUs.
12322
12323 2005-01-04  Richard Henderson  <rth@redhat.com>
12324
12325         PR tree-opt/19158
12326         * tree-sra.c (generate_one_element_init): Just
12327         call gimplify_and_add.
12328         (generate_element_init): Record the
12329         new referenced variables and mark them for renaming
12330         and split out to ...
12331         (generate_element_init_1): This.
12332         (scalarize_init): Don't call push_gimplify_context/
12333         pop_gimplify_context.
12334
12335 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
12336
12337         * toplev.c (get_src_pwd): Handle failure of getpwd().
12338
12339 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12340
12341         * fold-const.c (fold_single_bit_test): Delete unreachable handling
12342         of TRUTH_NOT_EXPR.
12343         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
12344         all the cases handled by it are inverted by invert_truthvalue.
12345
12346 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12347
12348         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
12349         (save_register_windowsi): Likewise.
12350
12351 2005-01-04  Richard Henderson  <rth@redhat.com>
12352
12353         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
12354
12355 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12356
12357         PR middle-end/17767
12358         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
12359         any simplifications of vector mode comparison operators.
12360         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
12361
12362 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
12363             Devang Patel  <dpatel@apple.com>
12364
12365         PR tree-optimization/18308
12366         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
12367         the operands before creating a new expression.
12368         * dojump.c (do_jump): Make drop_through_label available
12369         for all cases.  Add expansion of COND_EXPR.
12370
12371 2005-01-04  Ira Rosen  <irar@il.ibm.com>
12372
12373         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
12374         INTEGER_CST instead of TREE_CONSTANT.
12375         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
12376         instead of TREE_CONSTANT.
12377         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
12378         instead of TREE_CONSTANT.
12379
12380 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12381
12382         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
12383
12384 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12385
12386         PR target/19240
12387         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
12388         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
12389
12390 2005-01-03  Richard Henderson  <rth@redhat.com>
12391
12392         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
12393         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
12394         fold_convert_const_real_from_real): Split out from ...
12395         (fold_convert_const): ... here.
12396
12397 2005-01-03  Richard Henderson  <rth@redhat.com>
12398
12399         PR target/19235
12400         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
12401         (mov<MMXMODEI>_internal): Likewise.
12402         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
12403         Add V2SF case; use it for SSE1; don't use TI.
12404         (movdf_integer): Likewise.
12405         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
12406
12407 2005-01-03  Ira Rosen  <irar@il.ibm.com>
12408
12409         * tree-vectorizer.c (vect_strip_conversions): New function.
12410         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
12411         check for binary class.
12412
12413 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
12414
12415         Fix PR debug/17924
12416         Fix PR debug/19191
12417         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
12418         is a decl.
12419         * gimple-low.c (mark_blocks_with_used_vars): New function.
12420         (mark_blocks_with_used_subblocks): Ditto.
12421         (mark_used_blocks): Ditto.
12422         (pass_mark_used_blocks): New pass.
12423         * tree-inline.c: Include debug.h.
12424         (expand_call_inline): Call outlining_inline_function here.
12425         * tree-optimize.c (init_tree_optimization_passes): Add
12426         pass_mark_used_blocks.
12427         * tree-pass.h (pass_mark_used_blocks): New.
12428         * Makefile.in (tree-inline.o): Add debug.h dependency.
12429
12430 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
12431
12432         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
12433         VAR_DECLs to have weak_import attribute.
12434
12435         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
12436         'struct ucontext'.
12437
12438 2004-01-03  Steven Bosscher  <stevenb@suse.de>
12439
12440         * passes.c (rest_of_compilation): Don't run regmove if only
12441         flag_expensive_optimizations, require flag_regmove instead.
12442
12443 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12444
12445         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
12446         register "sparc".
12447         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
12448         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12449         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
12450         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12451
12452 2005-01-03  Richard Henderson  <rth@redhat.com>
12453
12454         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
12455         (ia64_const_ok_for_letter_p): New.
12456         (ia64_const_double_ok_for_letter_p): New.
12457         (ia64_extra_constraint): New.
12458         (ia64_expand_vecint_compare): New.
12459         (ia64_expand_vcondu_v2si): New.
12460         (ia64_expand_vecint_cmov): New.
12461         (ia64_expand_vecint_minmax): New.
12462         (ia64_print_operand): Add 'v'.
12463         (ia64_preferred_reload_class): New.
12464         (ia64_vector_mode_supported_p): New.
12465         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
12466         (PREFERRED_RELOAD_CLASS): Move to function.
12467         (CONST_OK_FOR_LETTER_P): Move to function.
12468         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
12469         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
12470         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
12471         (EXTRA_CONSTRAINT): Move to function.
12472         * config/ia64/ia64.md: Include vect.md.
12473         (itanium_class): Add mmalua.
12474         (type): Handle it.
12475         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
12476         (1b_mmalua): New.
12477         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
12478         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
12479         CONST0_RTX.
12480         (const_int_2bit_operand): New.
12481         (fr_reg_or_0_operand): New.
12482         * config/ia64/ia64-modes.def: Add vector modes.
12483         * config/ia64/ia64-protos.h: Update.
12484         * config/ia64/vect.md: New file.
12485
12486 2005-01-03  Richard Henderson  <rth@redhat.com>
12487
12488         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
12489
12490 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
12491
12492         PR target/19236
12493         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
12494         to SFmode.
12495         (log1pdf2): Change mode of operands[0,1] to DFmode.
12496
12497 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12498
12499         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
12500         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
12501         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
12502         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
12503         SPARC_RELAXED_ORDERING.
12504
12505 2005-01-03  Richard Henderson  <rth@redhat.com>
12506             Uros Bizjak  <uros@kss-loka.si>
12507
12508         PR target/14631
12509         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
12510         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
12511         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
12512         handling.
12513         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
12514         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
12515         const_pow2_1_to_128_operand): New predicates.
12516
12517 2005-01-02  Greg McGary  <greg@mcgary.org>
12518
12519         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
12520         anonymous decls.
12521         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
12522         object.  [ptr_type]: Remove unused variable.
12523         Remember nearest addressable array-element or record-component
12524         when checking bitfield components.  Tolerate empty BIND_EXPR.
12525
12526 2005-01-01  Richard Henderson  <rth@redhat.com>
12527
12528         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12529         that don't narrow the value.  Fail for other conversions.
12530
12531 2005-01-01  Richard Henderson  <rth@redhat.com>
12532
12533         PR c/19031
12534         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12535         * c-lang.c (finish_file): Don't do it here.
12536         * objc/objc-act.c (objc_finish_file): Likewise.
12537
12538         * cgraph.c (decl_assembler_name_equal): New.
12539         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12540         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12541         * cgraph.h (struct cgraph_varpool_node): Add next.
12542         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12543         * varasm.c (assemble_alias): Mark the target as needed.
12544
12545 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12546
12547         PR middle-end/19221
12548         * function.c (get_arg_pointer_save_area): Use entry_of_function
12549         instead of get_insns.
12550
12551 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12552             Andrew Pinski  <pinskia@physics.uc.edu>
12553             James E. Wilson  <wilson@specifixinc.com>
12554
12555         PR rtl-optimization/12092
12556         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12557         is zero.
12558
12559 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12560             Olivier Hainque  <hainque@act-europe.fr>
12561
12562         * tree.c (int_fits_type_p): A narrower type always fits in a
12563         wider one, except for negative values into unsigned types.
12564
12565 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12566
12567         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12568         with the original constant rather than require TREE_OVERFLOW.
12569
12570 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12571
12572         PR middle-end/17544
12573         * c-decl.c (finish_function): If compiling C99, annotate the
12574         compiler generated return with the current file name and line 0.
12575         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12576         the source line is greater than 0.
12577         (remove_bb): Likewise.