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1 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2
3         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
4         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
5         from enum tree_code op to bool is_sizeof.
6         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
7         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
8         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
9         case.
10         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
11         cases.
12         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
13         ALIGNOF_EXPR cases.
14
15 2005-04-17  Ian Lance Taylor  <ian@airs.com>
16
17         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
18
19 2005-04-17  Richard Henderson  <rth@redhat.com>
20
21         * config/alpha/alpha.c (va_list_skip_additions): Only define if
22         TARGET_ABI_OSF.
23         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
24         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
25         of indirection through ssa names while looking for the gpr counter
26         field.
27         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
28         saved va_list_gpr_size and va_list_fpr_size.
29
30 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
31
32         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
33         both pointers or both integers.
34
35         * tree-vrp.c (maybe_add_assert_expr): Don't assert
36         ASSERT_EXPRs for single-use variable.
37
38         * tree-into-ssa.c: Fix a comment typo.
39
40 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
41
42         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
43         -mipsN before forcing a default of -mips2.
44
45 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
46
47         * predict.h (IS_TAKEN): Remove.
48         * rtl.h (NOTE_PREDICTION): Likewise.
49
50         * modulo-sched.c (CFG_HOOKS): Remove.
51
52         * c-parser.c (N_C_TTYPES): Remove.
53
54         * tree-flow-inline.h (get_stmt_operands): Remove.
55         * lambda-code.c, tree-ssa-loop-unswitch.c,
56         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
57         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
58         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
59         calls to get_stmt_operands.
60         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
61
62 2005-04-17  Richard Henderson  <rth@redhat.com>
63
64         PR target/20375
65         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
66         of CUMULATIVE_ARGS past the last named argument.
67         (alpha_va_start): Expect pretend_args_size only if strictly less than
68         6 named arguments.
69
70 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
71
72         PR middle-end/21024
73         * builtins.c (expand_builtin_strcat): Convert the result of
74         strlen to the right type.
75         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
76         avoid creating type mismatches.
77         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
78         type mismatches.
79
80         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
81
82 2005-04-16  Richard Henderson  <rth@redhat.com>
83
84         PR target/21051
85         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
86         Use the mode of boolean_type_node when the user doesn't provide one.
87         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
88
89 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
90
91         PR target/20126
92         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
93         (const)).
94
95         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
96         comment.
97
98 2005-04-16  Roger Sayle  <roger@eyesopen.com>
99             Steven Bosscher  <stevenb@suse.de>
100
101         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
102         (fold_unary_to_constant): Likewise.
103
104 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
105
106         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
107         PROP_ASM_SCAN.
108
109 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
110
111         * doc/install.texi (Specific): Avoid using asterisks in @anchor
112         names related to target triplets.
113         Remove i?86-*-esix from platform directory.
114         Remove powerpc-*-eabiaix from platform directory.
115
116 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
117
118         PR middle-end/20491
119         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
120         falling through from SUBREG case to REG.
121
122 2005-04-15  Roger Sayle  <roger@eyesopen.com>
123
124         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
125         (fold_binary): Update comment mentioning fold_relational_hi_lo.
126         (fold_binary_to_constant): Simplify using fold_binary.
127         (fold_unary_to_constant): Likewise, simplify using fold_unary.
128
129 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
130
131         * gthr-posix.c (pthread_cancel): Define.
132         (pthread_mutexattr_init): Likewise.
133         (pthread_mutexattr_settype): Likewise.
134         (pthread_mutexattr_destroy): Likewise.
135
136 2005-04-15  David S. Miller  <davem@davemloft.net>
137
138         PR target/20673
139         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
140
141 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
142
143         PR tree-optimization/21031
144         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
145         (forward_propagate_into_cond_1): Call it.  Forward propagate
146         integer-integer casts into COND_EXPRs.
147
148 2005-04-15  Dave Korn  <dave.korn@artimi.com>
149
150         * gcc.c (default_compilers): Clarify obscure error message when
151         reading from standard input.
152
153 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
154
155         * basic-block.h (PROP_EQUAL_NOTES): Remove.
156         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
157
158         * tree-ssa-alias.c (init_alias_info): Remove a call to
159         get_stmt_operands.
160
161 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
162
163         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
164         of non-virtual PHI nodes like we use to.
165
166 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
167
168         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
169         (attr_copy_rtx): Do not use it.
170
171 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
172
173         * doc/tree-ssa.texi: Grammer/abbreviation updates.
174
175 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
176
177         * tree-vect-transform.c (vectorizable_store): Mark necessary
178         objects in the vectorized store needing renaming.  Update the
179         SSA graph for V_MAY_DEF operands in the original store.
180
181 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
182
183         * tree-ssa-pre.c (compute_avail): It's okay to have
184         TREE_INVARIANT's here, and value number the resulting expressions.
185         (create_expression_by_pieces): Make sure operands that were
186         min_invariant when we started, stay that way.
187
188 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
189
190         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
191
192 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
193
194         PR tree-optimization/20936.
195         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
196
197 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
198
199         * doc/invoke.texi: Fix typos.
200         * doc/md.texi: Likewise.
201         * doc/rtl.texi: Likewise.
202         * doc/sourcebuild.texi: Likewise.
203         * doc/tm.texi: Likewise.
204
205 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
206
207         PR tree-optimization/21004
208         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
209         and floorl in c99 mode only.
210         * builtins.c (expand_builtin_int_roundingfn): Assert that
211         fallback_fndecl is not NULL_TREE.
212
213 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
214
215         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
216         * basic-block.h: Update the prototype for
217         purge_all_dead_edges.
218         * cfgexpand.c (tree_expand_cfg): Update a call to
219         purge_all_dead_edges.
220         * combine.c (combine_instructions): Likewise.
221         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
222         rest_of_handle_cse2, rest_of_handle_gcse,
223         rest_of_handle_postreload): likewise.
224
225 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
226
227         PR middle-end/20739
228         * gimplify.c (gimplify_addr_expr): Compensate for removal of
229         e.g. cv-qualification conversions.
230
231 2005-04-14  Mike Stump  <mrs@apple.com>
232
233         * config/darwin-c.c (framework_construct_pathname): We must
234         find all headers of a framework in the first instance of it
235         found in the seach path.
236
237 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
238
239         PR tree-optimization/21021
240         * tree-vrp.c (compare_values): Work around a bug in the front
241         end that produces a comparison of mismatched types.
242
243 2004-04-14  Richard Henderson  <rth@redhat.com>
244
245         * config/ia64/ia64.h (enum fetchop_code): Remove.
246         (enum ia64_builtins): Move ...
247         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
248         members except BSP and FLUSHRS.
249         (ia64_init_builtins): Remove __sync builtins.
250         (ia64_expand_builtin): Likewise.
251         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
252         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
253         (ia64_expand_lock_release): Remove.
254         * config/ia64/ia64.md (mf): Move to sync.md.
255         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
256         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
257         * config/ia64/sync.md: New file.
258         (memory_barrier): Rename from mf.
259         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
260         (cmpxchg_acq_<I48MODE>): Likewise.
261         (sync_lock_test_and_set<I48MODE>): Likewise.
262
263         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
264         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
265
266 2004-04-14  Richard Henderson  <rth@redhat.com>
267
268         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
269         (ix86_compare_emitted): New.
270         (ix86_expand_compare): Use ix86_compare_emitted if set.
271         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
272         and ix86_compare_op0 are set.
273         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
274         (TARGET_CMPXCHG, TARGET_XADD): New.
275         (ix86_compare_emitted): Declare.
276         * config/i386/i386.md: Include sync.md
277         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
278         (UNSPECV_XCHG, UNSPECV_LOCK): New.
279         * config/i386/sync.md: New file.
280
281 2004-04-14  Richard Henderson  <rth@redhat.com>
282
283         PR middle-end/14311
284         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
285         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
286         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
287         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
288         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
289         BT_FN_I8_VPTR_I8_I8): New.
290         * builtins.def (DEF_SYNC_BUILTIN): New.
291         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
292         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
293         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
294         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
295         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
296         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
297         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
298         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
299         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
300         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
301         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
302         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
303         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
304         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
305         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
306         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
307         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
308         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
309         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
310         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
311         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
312         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
313         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
314         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
315         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
316         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
317         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
318         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
319         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
320         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
321         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
322         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
323         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
324         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
325         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
326         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
327         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
328         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
329         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
330         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
331         BUILT_IN_SYNCHRONIZE: New.
332         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
333         as a function.  Accept __sync_ as a prefix as well.
334         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
335         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
336         expand_builtin_lock_release): New.
337         (expand_builtin): Call them.
338         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
339         neither BOTH_P nor FALLBACK_P are defined.
340         (builtin_type_for_size): New.
341         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
342         (resolve_overloaded_builtin): New.
343         * c-common.h (resolve_overloaded_builtin): Declare.
344         (builtin_type_for_size): Declare.
345         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
346         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
347         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
348         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
349         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
350         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
351         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
352         sync_compare_and_swap_cc, sync_lock_test_and_set,
353         sync_lock_release): New.
354         * optabs.h: Declare them.
355         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
356         expand_sync_operation, expand_sync_fetch_operation,
357         expand_sync_lock_test_and_set): Declare.
358         * genopinit.c (optabs): Add sync optabs.
359         * optabs.c (init_optabs): Initialize sync optabs.
360         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
361         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
362         expand_sync_operation, expand_sync_fetch_operation,
363         expand_sync_lock_test_and_set): New.
364         * doc/extend.texi (Atomic Builtins): New section
365         * doc/md.texi (Standard Names): Add sync patterns.
366
367 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
368
369         * tree-eh.c (lower_try_finally_copy): Generate new code in
370         response to goto_queue entries as if the queue was sorted by
371         index, not pointers.
372         (lower_try_finally_switch): Likewise.
373
374 2005-04-14  Richard Henderson  <rth@redhat.com>
375
376         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
377         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
378         register.
379         (ix86_expand_fp_movcc): Update to match.
380         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
381         * config/i386/i386-protos.h: Update.
382         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
383         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
384
385 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
386
387         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
388         refer to 4.0.
389
390 2005-04-14  Julian Brown  <julian@codesourcery.com>
391
392         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
393         link failures on ppc64 Linux.
394
395 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
396
397         * config.gcc: Set cpu_type for s390.
398
399 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
400
401         Fix PR tree-optimization/20963
402         * tree-ssa-pre.c (compute_avail): Remove special case for
403         TREE_INVARIANT.
404         (create_expression_by_pieces): Add value numbers for forced out
405         statements.
406
407 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
408
409         * config/cris/cris.md: Replace references to (reg:SI 16) with
410         (reg:SI CRIS_SRP_REGNUM).
411
412 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
413
414         PR tree-optimization/20657
415         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
416         create an appropriate range from it.
417
418 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
419
420         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
421         <UNSPEC_FIST_CEIL> case.
422
423         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
424         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
425         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
426         to implement lfloor and llfloor built-ins as x87 intrinsic function.
427         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
428         (lfloor<mode>2): New expanders.
429         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
430         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
431         to implement lceil and llceil built-ins as x87 intrinsic function.
432         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
433         (lceil<mode>2): New expanders.
434
435 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
436
437         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
438         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
439
440 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
441
442         PR target/20927
443         * config/s390/s390-modes.def: Define TFmode.
444
445 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
446
447         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
448         (JUMP_TABLES_IN_TEXT_SECTION): Define.
449         * config/mips/mips.c (mips16_insn_length): Remove reference to
450         JUMP_TABLES_IN_TEXT_SECTION.
451
452 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
453
454         * simplify-rtx.c (simplify_binary_operation_1): Return
455         scalar or vector of constant 0, depending on the xor's
456         mode.
457
458 2005-04-13  Dale Johannesen  <dalej@apple.com>
459
460         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
461         (objc-act.o):  Ditto.
462         * objc/objc-act.c (objc_gimplify_expr):  New.
463         (objc_get_callee_fndecl):  New.
464         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
465         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
466         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
467
468 2005-04-13  Devang Patel  <dpatel@apple.com>
469
470         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
471         temp variables.
472
473 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
474
475         CRIS prologue as RTL.
476         * config/cris/cris-protos.h (cris_emit_movem_store)
477         (cris_expand_prologue): Prototype.
478         * config/cris/cris.c (struct machine_function): New member
479         stdarg_regs.
480         (cfa_label_num, cris_target_asm_function_prologue): Remove.
481         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
482         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
483         (cris_load_multiple_op, cris_return_address_on_stack)
484         (cris_return_address_on_stack_for_return): ISO-Cify.
485         (cris_store_multiple_op): New predicate function.
486         (cris_expand_prologue, cris_emit_movem_store): New functions.
487         (cris_print_operand) <case 'O'>: Handle modifications other than
488         post-increment.
489         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
490         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
491         (cris_gen_movem_load): Rearrange slightly to make local variable
492         src a parameter, removing osrc.
493         (cris_setup_incoming_varargs): Set machine_function member
494         stdarg_regs to correspond to the number of registers that need to
495         be saved.
496         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
497         CRIS_UNSPEC_GOT.
498         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
499         cris_general_operand_or_gotless_symbol accept UNSPEC.
500         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
501         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
502         ("*cris_store_multiple"): New pattern.  Tweak common comment above
503         this and "*cris_load_multiple".
504         ("prologue"): New define_expand.
505
506         * config/cris/cris.md ("epilogue"): Conditionalize on
507         TARGET_PROLOGUE_EPILOGUE.
508
509 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
510
511         PR target/20924
512         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
513         fpsr 0 instead of fpsr 1.
514         (divsf3_internal_thr): Ditto.
515         (divdf3_internal_lat): Ditto.
516         (divdf3_internal_thr): Ditto.
517         (divxf3_internal_lat): Ditto.
518         (divxf3_internal_thr): Ditto.
519
520 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
521
522         PR tree-optimization/20913
523         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
524
525         PR tree-optimization/20702
526         * tree-vrp.c (maybe_add_assert_expr): Recurse into
527         dominator children that haven't been walked into.
528
529 2005-04-13  Julian Brown  <julian@codesourcery.com>
530
531         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
532         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
533         is true.
534
535 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
536
537         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
538         config/i386/sse.md: Fix comment typos.
539
540         * genattrtab.c (NULL_ATTR): Remove.
541         * ifcvt.c (NULL_EDGE): Likewise.
542
543         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
544
545         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
546         NOTE_PREDICT): Remove.
547
548 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
549
550         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
551         * configure: Regenerate.
552         * config.in: Likewise.
553         * system.h: Declare vsnprintf if not already declared.
554
555 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
556
557         * optc-gen.awk: Handle stand-alone Mask records.
558         * opth-gen.awk: Likewise.
559         * doc/options.texi (Option file format): Document them.
560         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
561         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
562         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
563         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
564         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
565         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
566         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
567         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
568         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
569         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
570         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
571         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
572         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
573         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
574         TARGET_LONG_DOUBLE_128): Likewise.
575         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
576         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
577         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
578         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
579         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
580         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
581         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
582         * config/sparc/sparc.c (fpu_option_set): New global.
583         (sparc_handle_option): New function.
584         (sparc_override_options): Test fpu_option_set.
585         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
586         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
587         * config/sparc/sparc.opt: New file.
588         * config/sparc/little-endian.opt: Likewise.
589         * config/sparc/long-double-switch.opt: Likewise.
590
591 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
592
593         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
594         (bfin_handle_options): Set it if -mshared-library-id= is seen.
595         * config/bfin/bfin.opt (mshared-library-id=): Lose
596         Var(bfin_lib_id_given).
597
598 2005-04-13  Matt Thomas  <matt@3am-software.com>
599
600         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
601         defining.
602
603 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
604
605         * rtl.h (CLEAR_RTX_FLAGS): Remove.
606
607         * cgraphunit.c (INSNS_PER_CALL): Remove.
608
609         * tree-ssa-forwprop.c (vars,
610         record_single_argument_cond_exprs,
611         substitute_single_use_vars): Remove.
612         (forward_propagate_into_cond_1, forward_propagate_into_cond):
613         New.
614         (tree_ssa_forward_propagate_single_use_vars): Call
615         forward_propagate_into_cond for each COND_EXPR.
616
617         * tree-inline.c (INSNS_PER_STMT): Remove.
618
619 2005-04-12  Richard Henderson  <rth@redhat.com>
620
621         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
622         (ix86_expand_sse_fp_minmax): ... from ...
623         (ix86_expand_fp_movcc): ... here.
624         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
625         * config/i386/i386-protos.h: Update.
626         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
627         (sse_setccsf, sse_setccdf): Allow before reload.
628         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
629         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
630         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
631         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
632         (anddf3, nanddf3, iordf3, xordf3): New.
633
634 2005-04-12  Jeff Law  <law@redhat.com>
635
636         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
637         (tree-ssa-uncprop.o): Add dependencies.
638         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
639         * tree-flow.h (remove_useless_stmts): Remove prototype.
640         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
641         remove_useless_stmts.
642         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
643         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
644         * tree-pass.h (pass_uncprop): Declare.
645         * tree-ssa-uncprop.c: New file.
646
647 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
648
649         PR target/20670
650         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
651
652 2005-04-12  Caroline Tice  <ctice@apple.com>
653
654         Temporary fix for partitioning problems.
655         * passes.c (rest_of_handle_final): Remove code that
656         frees unlikely_text_section_name,
657         * varasm.c (assemble_start_function): Test for partitioning
658         flag before writing out section labels.
659         (assemble_end_function): Test for partitioning flag before
660         writing out section labels.
661
662 2005-04-12  Steven Bosscher  <stevenb@suse.de>
663             Stuart Hastings <stuart@apple.com>
664             Jan Hubicka  <jh@suse.cz>
665
666         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
667         references to gt-tree-cfg.h.
668         * basic-block.h (struct basic_block_def): Don't skip rbi
669         for garbage collection.
670         (struct reorder_block_def): Make GTY-able.
671         (struct control_flow_graph): New structure.
672         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
673         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
674         but instead defines to the control_flow_graph for cfun.
675         (label_to_block_map): New define, points to the label map of
676         the control_flow_graph for cfun.
677         (n_edges_for_function, n_basic_blocks_for_function,
678         last_basic_block_for_function, basic_block_info_for_function,
679         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
680         basic_block_info_for_function, label_to_block_map_for_function):
681         Counterparts for the above, taking a struct function as an extra
682         argument.
683         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
684         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
685         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
686         (alloc_rbi_pool, free_rbi_pool): Remove.
687         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
688         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
689         here...
690         (cfg_layout_finalize) ... and don't free it here.
691         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
692         garbage collected.
693         * flow.c (free_basic_block_vars): Set label_to_block_map and
694         n_edges to zero too.
695         * function.h (struct function): Add cfg field.
696         * function.c (allocate_struct_function): Allocate the cfg.
697         * tree-cfg.c (label_to_block_map): Remove.
698         (build_tree_cfg): Don't allocate the rbi pool here...
699         (delete_tree_cfg_annotations): ...and don't free it here.
700         Also don't nullify label_to_block_map for cfun.
701
702 2005-04-12  Caroline Tice  <ctice@apple.com>
703
704         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
705         Revert my patch from April 9.
706         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
707         (reorder_basic_blocks): Revert my patch from April 9.
708         (insert_section_boundary_note): Revert my patch from April 9.
709         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
710         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
711         (COLD_END_LABEL):  Revert my patch from April 9.
712         (cold_text_section_label):  Revert my patch from April 9.
713         (cold_end_label): Revert my patch from April 9.
714         (dwarf2out_switch_text_section): Revert my patch from April 9.
715         (output_aranges): Revert my patch from April 9.
716         (output_ranges):  Revert my patch from April 9.
717         (output_line_info): Revert my patch from April 9.
718         (add_location_or_const_value_attribute):  Revert my patch from April 9.
719         (dwarf2out_var_location): Revert my patch from April 9.
720         (dwarf2out_init):  Revert my patch from April 9.
721         (dwarf2out_finish): Revert my patch from April 9.
722         * function.h (struct function): Revert my patch from April 9.
723         * opts.c (decode_options): Revert my patch from April 9.
724         * output.h (unlikely_section_label, hot_section_label,
725         hot_section_end_label, cold_section_end_label,
726         unlikely_text_section_name): Revert my patch from April 9.
727         * passes.c (rest_of_handle_final): Revert my patch from April 9.
728         * varasm.c (unlikely_section_label, hot_section_label,
729         hot_section_end_label, cold_section_end_label,
730         unlikely_text_section_name): Revert my patch from April 9.
731         (initialize_cold_section_name): Revert my patch from April 9.
732         (unlikely_text_section): Revert my patch from April 9.
733         (in_unlikely_text_section): Revert my patch from April 9.
734         (named_section): Revert my patch from April 9.
735         (function_section): Revert my patch from April 9.
736         (current_function_section): Revert my patch from April 9.
737         (assemble_start_function): Revert my patch from April 9.
738         (assemble_end_function): Revert my patch from April 9.
739         (default_section_type_flags_1): Revert my patch from April 9.
740
741 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
742
743         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
744         * config/sparc/sparc.md (untyped_call): Save the registers manually.
745
746         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
747
748 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
749
750         PR middle-end/20917
751         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
752         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
753
754 2004-04-12  Richard Henderson  <rth@redhat.com>
755
756         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
757         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
758         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
759         (UNSPEC_*, UNSPECV_*): Renumber.
760
761 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
762
763         PR mudflap/19266
764         From Richard Henderson <rth@redhat.com>:
765         * tree-mudflap.c (mf_build_check_statement_for): Correct block
766         splitting logic.
767
768 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
769
770         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
771
772 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
773
774         * config/bfin/bfin.c (bfin_library_id_string): Remove.
775         (bfin_library_id): New variable.
776         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
777         instead of bfin_library_id_string.
778         (bfin_handle_option): New function.
779         (override_options): Remove most code to deal with shared library IDs,
780         just check they aren't used without -mid-shared-library.
781         (TARGET_HANDLE_OPTION): Define.
782         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
783         * config/bfin/bfin.opt (mshared-library-id=): New.
784
785 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
786
787         * tree-vect-transform.c: Fix comment typos.
788
789 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
790
791         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
792         split critical edges when not possible/profitable.
793
794 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
795
796         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
797         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
798         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
799         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
800         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
801         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
802         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
803         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
804         MASK_NO_BITFIELD.
805         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
806         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
807         * config/ns32k/ns32k.opt: New file.
808
809 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
810
811         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
812         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
813         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
814         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
815         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
816         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
817         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
818         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
819         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
820         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
821         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
822         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
823         (MASK_COLDFIRE): Formatting fixes.
824         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
825         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
826         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
827         "_current_shared_library_a5_offset_".
828         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
829         (MASK_ALL_CPU_BITS): New macro.
830         (m68k_handle_option): New function.
831         (override_options): Remove handling of m68k_library_id_string.
832         * config/m68k/m68k.opt: New file.
833         * config/m68k/ieee.opt: New file.
834
835 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
836
837         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
838         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
839         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
840         (TARGET_CXX): Adjust accordingly.
841         * target.h (struct gcc_target): Remove epxort_class_data.  Add
842         determine_class_data_visibility and class_data_always_comdat.
843         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
844         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
845         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
846         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
847         (arm_cxx_determine_class_data_visibility): New.
848         (arm_cxx_class_data_always_comdat): Likewise.
849         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
850         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
851         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
852         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
853         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
854         Define.
855
856 2005-04-11  Devang Patel  <dpatel@apple.com>
857
858         * tree-data-ref.c (build_classic_dist_vector,
859         compute_subscript_distance): Make externally visible.
860         * tree-data-ref.h (build_classic_dist_vector,
861         compute_subscript_distance): Same.
862         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
863         Check distance vector against vectorization factor.
864         (vect_analyze_loop): Determine vectorizaion factor before
865         analyzing data dependences.
866         * tree-vectorizer.c (loops_num): Make it externally visible and
867         rename ...
868         * tree-vectorizer.c (vect_loops_num): ... new name.
869         * tree-vectorizer.h  (vect_loops_num): New.
870
871 2005-04-11  Devang Patel  <dpatel@apple.com>
872
873         * tree-vect-analyze.c (vect_analyze_operations): Check
874         vectorizable codition.
875         * tree-vect-transform.c (vect_is_simple_cond): New function.
876         (vectorizable_condition): New function.
877         (vect_transform_stmt): Handle condition_vec_info_type.
878         * tree-vectorizer.h (enum stmt_vec_info_type): Add
879         condition_vec_info_type.
880         (vectorizable_condition): New.
881
882 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
883
884         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
885         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
886         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
887
888         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
889         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
890
891         * dwarf2out.c (output_line_info): Don't try to dereference
892         a NULL current_function_decl.
893
894         * config/t-slibgcc-darwin: Don't put shared libraries in
895         directories other than $(slibdir).
896         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
897         OS uses for it.
898
899 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
900
901         PR tree-optimization/20933
902         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
903         logic to reject aliases between read-only and writable
904         variables ...
905         (may_alias_p): ... here.
906         (get_tmt_for): Do not associate read-only tags to pointers
907         whose pointed-to type is not read-only.
908         * tree-ssa.c (verify_ssa): Check that memory stores have at
909         least one V_MAY_DEF or V_MUST_DEF.
910
911 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
912
913         PR/17092
914         * configure.ac (gcc_UNLOCKED_FUNCS): New.
915         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
916         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
917         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
918         _unlocked function.
919         (fwrite_unlocked): Fix prototype.
920
921         * configure, config.in: Regenerate.
922
923 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
924
925         * tree-ssa-loop-im.c: Include real.h.
926         (determine_invariantness_stmt): If real division divisor is
927         invariant and flag_unsafe_math_optimizations enabled, generate
928         invariant reciprocal for hoisting.
929         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
930
931 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
932
933         Fix PR tree-optimization/20926
934
935         * tree-ssa-alias.c (add_type_alias): Handle subvars.
936
937 2005-04-11  Devang Patel  <dpatel@apple.com>
938
939         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
940         operand ordering.
941
942 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
943
944         * fold-const.c (fold_binary_op_with_conditional_arg):
945         use fold_buildN instead of "fold (buildN" in some
946         non obvious places.
947         (fold_unary): Likewise.
948         (fold_binary): Likewise.
949
950 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
951
952         Fix PR tree-optimization/20612
953         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
954         handling
955         (perfect_nestify): preheaderbb is *not* part of loop of the
956         old destination.
957
958 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
959
960         * tree-ssa-alias.c (may_alias_p): If the variable
961         is a global variable and the pointer is parameter
962         and -fargument-noalias-global is used, then
963         the pointer cannot alias the variable.
964
965 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
966
967         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
968         * config/sparc/sparc.h: Likewise.
969         * config/sparc/sparc.md: Likewise.
970
971 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
972
973         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
974
975         * tree-vrp.c: Fix a comment typo.
976
977 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
978
979         PR tree-optimization/20920
980         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
981         SSA_NAME flows through an abnormal edge.
982         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
983         through abnormal edges.
984         (maybe_add_assert_expr): Likewise.
985
986 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
987
988         * config/s390/s390.h (s390_tune_string, s390_arch_string)
989         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
990         (s390_stack_size_string, s390_stack_guard_string, target_flags)
991         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
992         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
993         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
994         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
995         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
996         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
997         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
998         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
999         (TARGET_HANDLE_OPTION): Likewise.
1000         (s390_tune): Initialize to PROCESSOR_max.
1001         (s390_arch_string): Make static.
1002         (s390_tune_string, s390_warn_framesize_string): Delete.
1003         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1004         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1005         (s390_handle_arch_option, s390_handle_option): New functions.
1006         (override_options): Remove parsing of option strings.
1007         * config/s390/s390.opt: New file.
1008
1009 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1010
1011         * tree-complex.c (expand_vector_operations): Call
1012         update_stmt_if_modified.
1013
1014 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1015
1016         * tree-vect-analyze (vect_determine_vectorization_factor):
1017         Do not use GET_MODE_NUNITS.
1018         * tree-vect-transform.c (vect_get_vec_def_for_operand,
1019         (vectorizable_load, vect_transform_loop): Likewise.
1020
1021 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
1022
1023         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1024         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1025         * optabs.h (enum optab_index): Add new OTI_lceil.
1026         (lceil_optab): Define corresponding macro.
1027         * optabs.c (init_optabs): Initialize lceil_optab.
1028         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1029         and lceildi2 patterns.
1030         * builtins.c (expand_builtin_int_roundingfn): Handle
1031         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1032         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1033         BUILT_IN_LLCEIL{,F,L}.
1034         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1035         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1036         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1037         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1038         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1039         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1040         into lceil built-in function and (long long int)ceil{,f,l} into
1041         llceil built-in function.
1042         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1043         BUILT_IN_LLCEIL.
1044
1045 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1046
1047         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1048         zero.
1049
1050 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
1051
1052         * config/arm/arm.c: Fix a comment typo.
1053         * doc/tree-ssa.texi: Fix a typo.
1054
1055 2005-04-10  Steven Bosscher  <stevenb@suse.de>
1056
1057         * cselib.c (clear_table): Rename to cselib_clear_table.
1058         * cselib.h (cselib_clear_table): Add prototype.
1059         * gcse.c (gcse_main): Make 'f' argument unused.
1060         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1061         of each basic block instead.
1062         (compute_sets, compute_hash_table_work): Likewise.
1063         (constprop_register): Change int 'alter_jumps' argument to bool.
1064         (do_local_cprop): Likewise.
1065         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
1066         the insn chain.  Explicitly clear the cselib tables after finishing
1067         one basic block.  Make sure there are no unterminated libcall blocks.
1068         Update compute_sets call.
1069         (cprop): Walk basic blocks instead of the insn chain.
1070         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1071         Likewise.
1072         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1073         one_cprop_pass calls.
1074
1075 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1076
1077         * combine.c (combine_simplify_rtx): Remove a transformation that
1078         relies on an invalid assumption about rtl sign-extension semantics.
1079
1080 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1081
1082         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1083         to build_int_cst_wide.
1084
1085 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
1086
1087         PR target/20126
1088         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1089         set the original address pseudo to the correct value before the
1090         original insn, if possible, and leave the insn alone, otherwise
1091         create a new pseudo, set it and replace it in the insn.
1092         * recog.c (validate_change_maybe_volatile): New.
1093         * recog.h (validate_change_maybe_volatile): Declare.
1094
1095 2005-04-09  Caroline Tice  <ctice@apple.com>
1096
1097         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1098         Remove targetm.have_named_sections test.
1099         (fix_edges_for_rarely_executed_code): Likewise.
1100         (insert_section_boundary_note): Likewise.
1101         (reorder_basic_blocks): Check partitioning flag before calling
1102         verify_hot_cold_block_grouping.
1103         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1104         the function struct rather than global variables.
1105         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1106         (COLD_END_LABEL): Likewise
1107         (cold_text_section_label): New static global variable.
1108         (cold_end_label): Likewise.
1109         (dwarf2out_switch_text_section): Get hot/cold section labels from
1110         the function struct rather than global variables.
1111         (output_aranges): Use cold_text_section_label and cold_end_label;
1112         check partitioning flag before putting out delta.
1113         (output_ranges): Remove incorrect code attempting to use
1114         hot/cold labels.
1115         (output_line_info): Get cold section label from function struct.
1116         (add_location_or_const_value_attribute): Likewise.
1117         (get_subprogram_die): Get hot/cold section labels from function struct.
1118         (dwarf2out_var_location): Likewise.
1119         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1120         write out cold_text_section_label if partition flag is set.
1121         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1122         * function.h (struct function): Add new fields to point to hot/cold
1123         section labels: hot_section_label, cold_section_label,
1124         hot_section_end_label and cold_section_end_label; also add new field
1125         for cold text section name, unlikely_text_section_name.
1126         * opts.c (decode_options): Turn off partitioning flag if
1127         !targetm.have_named_sections.
1128         * output.h (hot_section_label): Remove.
1129         (hot_section_end_label): Remove.
1130         (cold_section_end_label): Remove.
1131         (unlikely_section_label): Remove.
1132         (unlikely_text_section_name): Remove.
1133         * passes.c (rest_of_handle_final):  Remove code that frees
1134         unlikely_text_section_name.
1135         * varasm.c (unlikely_section_label): Remove.
1136         (hot_section_label): Remove.
1137         (hot_section_end_label): Remove.
1138         (cold_section_end_label): Remove.
1139         (unlikely_text_section_name):  Remove.
1140         (initialize_cold_section_name): Modify to call
1141         targetm.strip_name_encoding; to store cold section name in current
1142         function struct, if it exists; and to only use the decl_section_name
1143         if flag_named_sections is true.
1144         (unlikely_text_section): Modify to get section name out of current
1145         function struct, if there is one; otherwise build it from
1146         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1147         (in_unlikely_text_section): Likewise.
1148         (named_section): Modify to get/put cold section name in current function
1149         struct, if there is one.
1150         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1151         targetm.have_named_sections before calling named_section.
1152         (current_function_section): Likewise.
1153         (assemble_start_function): Modify to get/put unlikely_text_section_name
1154         in current function struct; modify to get hot/cold section labels
1155         from function struct; initialize labels using
1156         ASM_GENERATE_INTERNAL_LABEL;
1157         test partitioning flag before writing out hot section label.
1158         (assemble_end_function): Test partitioning flag before writing out
1159         hot/cold section labels.
1160         (default_section_type_flags_1):  Modify to use array instead of
1161          char* for unlikely_text_section_name; set flags correctly for
1162          cold text section if there is not a current function decl.
1163
1164 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1165
1166         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1167         and TI_VA_LIST_FPR_COUNTER_FIELD.
1168         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1169         * tree-pass.h (pass_stdarg): Add.
1170         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1171         * tree-stdarg.c: New file.
1172         * tree-stdarg.h: New file.
1173         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1174         (tree-stdarg.o): Add dependencies.
1175         * function.h (struct function): Add va_list_gpr_size and
1176         va_list_fpr_size fields.
1177         * function.c (allocate_struct_function): Initialize them.
1178         * target.h (struct gcc_target): Add stdarg_optimize_hook.
1179         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1180         (TARGET_INITIALIZER): Add it.
1181
1182         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1183         va_list_{g,f}pr_counter_field.
1184         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1185         area will not be used.  Only save registers that tree-stdarg.c
1186         detected they need saving.
1187         (ix86_va_start): Don't set up fields that won't be used.
1188
1189         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1190         va_list_{g,f}pr_counter_field.
1191         (setup_incoming_varargs): Don't do anything if reg_save
1192         area will not be used.  Only save registers that tree-stdarg.c
1193         detected they need saving.
1194         (rs6000_va_start): Don't set up fields that won't be used.
1195
1196         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
1197         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
1198         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
1199         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1200
1201 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1202
1203         PR target/20795
1204         * config/i386/i386.c (construct_container): Pass empty aligned
1205         struct, union or class in memory.
1206
1207 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
1208
1209         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
1210         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
1211         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
1212         config/rs6000/predicates.md: Fix comment typos.
1213
1214         * sched-int.h (haifa_insn_data): Remove blockage and units.
1215         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
1216         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
1217         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
1218
1219 2005-04-09  Jan Hubicka  <jh@suse.cz>
1220             Steven Bosscher  <stevenb@suse.de>
1221
1222         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
1223         * cfgloop.c (get_loop_exit_edges): Likewise.
1224         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
1225         (unloop): Likewise.
1226         * loop-unroll.c (analyze_insns_in_loop): Likewise.
1227         * tree-cfg.c (dump_cfg_status): Likewise.
1228
1229 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
1230
1231         * config/rs6000/predicates.md (altivec_register_operand): Remove
1232         redundant match_code test.
1233         (gpc_reg_operand): Same.
1234         (cc_reg_operand): Same.
1235         (cc_reg_not_cr0_operand): Same.
1236
1237 2005-04-09  Jan Hubicka  <jh@suse.cz>
1238
1239         Forgotten hunk from my last merge patch:
1240         * final.c (output_addr_const): Do not call mark_referenced.
1241
1242 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
1243
1244         * doc/tree-ssa.texi: Add immediate use documentation.
1245
1246 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
1247
1248         * arm.c (FL_WBUF): Define.
1249         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
1250         (arm_is_6_or_7): Delete.
1251         (arm_tune_wbuf): New.
1252         (arm_override_options): Set arm_tune_wbuf.
1253         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
1254         (arm_is_6_or_7): Delete declaration.
1255         (arm_tune_wbuf): New declartion.
1256         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
1257         (model_wbuf): Derive from arm_tune_wbuf.
1258         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
1259         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
1260         (arm740t): Mark CPUs as having a write buffer.
1261
1262 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1263
1264         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
1265         of 'const_double_operand' in operand 2 constraints.  Update enable
1266         condition.
1267
1268 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1269
1270         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
1271         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
1272         * optabs.h (enum optab_index): Add new OTI_lfloor.
1273         (lfloor_optab): Define corresponding macro.
1274         * optabs.c (init_optabs): Initialize lfloor_optab.
1275         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
1276         and lfloordi2 patterns.
1277         * builtins.c (expand_builtin_int_roundingfn): New prototype.
1278         (expand_builtin_int_roundingfn): New function.
1279         (fold_builtin_int_roundingfn): New prototype.
1280         (fold_builtin_int_roundingfn): New function, renamed from
1281         fold_builtin_lround.
1282         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
1283         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
1284         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
1285         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
1286         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
1287         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
1288         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
1289         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
1290         into lfloor built-in function and (long long int)floor{,f,l} into
1291         llfloor built-in function.
1292         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
1293         BUILT_IN_LLFLOOR.
1294
1295 2005-04-08  Ian Lance Taylor  <ian@airs.com>
1296
1297         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
1298         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
1299         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
1300         (DO_COND, DO_BODY): Likewise.
1301         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
1302         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
1303         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
1304         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
1305         (build_continue_stmt, build_break_stmt): Don't declare.
1306         (c_do_switch_warnings): Update declaration.
1307         * c-gimplify.c (enum bc_t): Remove.
1308         (struct c_gimplify_ctx, ctxp): Remove.
1309         (push_context, pop_context): Remove static functions.
1310         (c_genericize): Don't call push_context or pop_context.
1311         (begin_bc_block, finish_bc_block): Remove static functions.
1312         (build_bc_goto): Likewise.
1313         (gimplify_c_loop): Likewise.
1314         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
1315         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
1316         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
1317         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
1318         * c-common.c (c_do_switch_warnings): Rename from
1319         c_do_switch_warnings_1.
1320         (c_do_switch_warnings) [old version]: Remove.
1321         (c_do_switch_expr_warnings): Remove.
1322         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
1323         function instead of c_do_switch_expr_warnings.
1324         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
1325         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
1326         * c-pretty-print.c (pp_c_statement): Likewise.
1327         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
1328
1329 2005-04-08  Devang Patel  <dpatel@apple.com>
1330
1331         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
1332         While selecting replacement condition pay attention to loop header.
1333
1334 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
1335
1336         Merge from tree-cleanup-branch: VRP, store CCP, store
1337             copy-prop, incremental SSA updating of FUD chains and
1338             newly exposed symbols.
1339
1340         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
1341         (OBJS-common): Add tree-vrp.o.
1342         (tree-vrp.o): New rule.
1343         * basic-block.h (nearest_common_dominator_for_set): Declare.
1344         * common.opt (ftree-store-ccp): New flag.
1345         (ftree-copy-prop): New flag.
1346         (ftree-vrp): New flag.
1347         (ftree-store-copy-prop): New flag.
1348         * dominance.c (nearest_common_dominator_for_set): New.
1349         * domwalk.c (walk_dominator_tree): Only traverse
1350         statements in blocks marked in walk_data->interesting_blocks.
1351         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
1352         * fold-const.c (fold): Handle ASSERT_EXPR.
1353         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
1354         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
1355         flag_tree_vrp at -O2.
1356         * timevar.def (TV_TREE_VRP): Define.
1357         (TV_TREE_COPY_PROP): Define.
1358         (TV_TREE_STORE_COPY_PROP): Define.
1359         (TV_TREE_SSA_INCREMENTAL): Define.
1360         (TV_TREE_STORE_CCP): Define.
1361         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
1362         to kill_redundant_phi_nodes from comment.
1363         (verify_expr): Handle ASSERT_EXPR.
1364         * tree-dfa.c (mark_new_vars_to_rename): Remove second
1365         argument.  Update all users.
1366         (mark_call_clobbered_vars_to_rename): Remove.  Update all
1367         users.
1368         * tree-flow-inline.h (unmodifiable_var_p): New.
1369         * tree-flow.h (enum value_range_type): Declare.
1370         (struct value_range_def): Declare.
1371         (value_range): Declare.
1372         (remove_all_phi_nodes_for): Remove.  Update all users.
1373         (find_phi_node_for): Declare.
1374         (add_type_alias): Declare.
1375         (count_uses_and_derefs): Declare.
1376         (kill_redundant_phi_nodes): Remove.
1377         (rewrite_into_ssa): Remove.
1378         (rewrite_def_def_chains): Remove.
1379         (update_ssa, register_new_name_mapping, create_new_def_for,
1380         need_ssa_update_p, name_registered_for_update_p,
1381         release_ssa_name_after_update_ssa, dump_repl_tbl,
1382         debug_repl_tbl, dump_names_replaced_by,
1383         debug_names_replaced_by, mark_sym_for_renaming,
1384         mark_set_for_renaming, get_current_def, set_current_def,
1385         get_value_range, dump_value_range, debug_value_range,
1386         dump_all_value_ranges, debug_all_value_ranges,
1387         expr_computes_nonzero, loop_depth_of_name,
1388         unmodifiable_var_p): Declare.
1389         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1390         ASSERT_EXPR.
1391         * tree-into-ssa.c (block_defs_stack): Update comment.
1392         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1393         syms_to_rename, names_to_release, repl_tbl,
1394         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1395         need_to_replace_names_p): New locals.
1396         (NAME_SETS_GROWTH_FACTOR): Define.
1397         (struct repl_map_d): Declare.
1398         (struct mark_def_sites_global_data): Add field
1399         interesting_blocks.
1400         (enum rewrite_mode): Declare.
1401         (REGISTER_DEFS_IN_THIS_STMT): Define.
1402         (compute_global_livein): Use last_basic_block instead of
1403         n_basic_blocks.
1404         (set_def_block): Remove last argument.  Update all callers.
1405         (prepare_use_operand_for_rename): Remove.  Update all callers.
1406         (prepare_def_operand_for_rename): Remove.  Update all callers.
1407         (symbol_marked_for_renaming): New.
1408         (is_old_name): New.
1409         (is_new_name): New.
1410         (repl_map_hash): New.
1411         (repl_map_eq): New.
1412         (repl_map_free): New.
1413         (names_replaced_by): New.
1414         (add_to_repl_tbl): New.
1415         (add_new_name_mapping): New.
1416         (mark_def_sites): Assume that all the operands in the
1417         statement are in normal form.
1418         (find_idf): Assert that the block in the stack is valid.
1419         (get_default_def_for): New.
1420         (insert_phi_nodes_for): Add new argument 'update_p'.
1421         Add documentation.
1422         If update_p is true, add a new mapping between the LHS of
1423         each new PHI and the name that it replaces.
1424         (insert_phi_nodes_1): Only call find_idf if needed.
1425         (get_reaching_def): Call get_default_def_for.
1426         (rewrite_operand): Remove.
1427         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1428         and REWRITE_THIS_STMT are false.
1429         Assume that all the operands in the statement are in
1430         normal form.
1431         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1432         (rewrite_virtual_phi_arguments): Remove.
1433         (invalidate_name_tags): Remove.
1434         (register_new_update_single, register_new_update_set,
1435         rewrite_update_init_block, replace_use,
1436         rewrite_update_fini_block, rewrite_update_stmt,
1437         rewrite_update_phi_arguments): New.
1438         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1439         Add arguments 'entry', 'what' and 'blocks'.
1440         Initialize the dominator walker according to 'what' and
1441         'blocks'.
1442         Start the dominator walk at 'entry'.
1443         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1444         Use it to configure the dominator walker.
1445         (rewrite_into_ssa): Remove argument 'all'.
1446         Make internal.
1447         (rewrite_all_into_ssa): Remove.
1448         (rewrite_def_def_chains): Remove.
1449         (mark_def_interesting, mark_use_interesting,
1450         prepare_phi_args_for_update, prepare_block_for_update,
1451         prepare_def_site_for, prepare_def_sites,
1452         dump_names_replaced_by, debug_names_replaced_by,
1453         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1454         delete_update_ssa, create_new_def_for,
1455         register_new_name_mapping, mark_sym_for_renaming,
1456         mark_set_for_renaming, need_ssa_update_p,
1457         name_registered_for_update_p, ssa_names_to_replace,
1458         release_ssa_name_after_update_ssa,
1459         insert_updated_phi_nodes_for, update_ssa): New.
1460         * tree-loop-linear.c (linear_transform_loops): Call
1461         update_ssa instead of rewrite_into_ssa.
1462         * tree-optimize.c (vars_to_rename): Remove.
1463         Update all users.
1464         (init_tree_optimization_passes): Replace
1465         pass_redundant_phi with pass_copy_prop.
1466         Add pass_vrp.
1467         Replace pass_ccp with pass_store_ccp.
1468         Add pass_store_copy_prop after pass_store_ccp.
1469         (execute_todo): If the TODO_ flags don't include updating
1470         the SSA form, assert that it does not need to be updated.
1471         Call update_ssa instead of rewrite_into_ssa and
1472         rewrite_def_def_chains.
1473         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1474         (tree_rest_of_compilation):
1475         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1476         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1477         TODO_cleanup_cfg): Renumber.
1478         (TODO_verify_loops, TODO_update_ssa,
1479         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1480         TODO_update_ssa_only_virtuals): Define.
1481         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1482         Declare.
1483         * tree-phinodes.c (make_phi_node): Update documentation.
1484         (remove_all_phi_nodes_for): Remove.
1485         (find_phi_node_for): New.
1486         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1487         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1488         (interpret_rhs_modify_expr): Likewise.
1489         * tree-sra.c (decide_instantiations): Mark all symbols in
1490         SRA_CANDIDATES for renaming.
1491         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1492         (mark_all_v_defs): New function.  Update all users to call it
1493         with the whole list of scalarized statements, not just the
1494         first one.
1495         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1496         (compute_flow_insensitive_aliasing): If the tag is
1497         unmodifiable and the variable isn't or vice-versa, don't
1498         make them alias of each other.
1499         (setup_pointers_and_addressables): If the type tag for
1500         VAR is about to change, mark the old one for renaming.
1501         (add_type_alias): New.
1502         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1503         (ccp_lattice_t): Rename from latticevalue.
1504         (value): Remove.  Update all users.
1505         (const_val): New local variable.
1506         (do_store_ccp): New local variable.
1507         (dump_lattice_value): Handle UNINITIALIZED.
1508         (debug_lattice_value): New.
1509         (get_default_value): Re-write.
1510         (set_lattice_value): Re-write.
1511         (def_to_varying): Remove.  Update all users.
1512         (likely_value): Return VARYING for statements that make
1513         stores when STORE_CCP is false.
1514         Return VARYING for any statement other than MODIFY_EXPR,
1515         COND_EXPR and SWITCH_EXPR.
1516         (ccp_initialize): Re-write.
1517         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1518         Move to tree-ssa-propagate.c.
1519         (ccp_lattice_meet): Handle memory stores when
1520         DO_STORE_CCP is true.
1521         (ccp_visit_phi_node): Likewise.
1522         (ccp_fold): Likewise.
1523         (evaluate_stmt): Likewise.
1524         (visit_assignment): Likewise.
1525         (ccp_visit_stmt): Likewise.
1526         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1527         into DO_STORE_CCP.
1528         (do_ssa_ccp): New.
1529         (pass_ccp): Use it.
1530         (do_ssa_store_ccp): New.
1531         (gate_store_ccp): New.
1532         (pass_store_ccp): Declare.
1533         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1534         (may_propagate_copy): Reformat.
1535         Don't abort if ORIG is a virtual and DEST isn't.
1536         If NEW does not have alias information but DEST does,
1537         copy it.
1538         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1539         copy_prop_kind, which_copy_prop): Declare.
1540         (stmt_may_generate_copy, get_copy_of_val,
1541         get_last_copy_of, set_copy_of_val, dump_copy_of,
1542         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1543         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1544         init_copy_prop, fini_copy_prop, execute_copy_prop,
1545         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1546         store_copy_prop): New.
1547         (pass_copy_prop, pass_store_copy_prop): Declare.
1548         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1549         'num_const_prop' and 'num_copy_prop'.
1550         (cprop_operand): Update them.
1551         (dump_dominator_optimization_stats): Dump them.
1552         (tree_ssa_dominator_optimize): Call update_ssa instead of
1553         rewrite_into_ssa.
1554         (loop_depth_of_name): Declare extern.
1555         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1556         values for LOW or HIGH.
1557         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1558         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1559         (cprop_operand): Only propagate if VAL != OP.
1560         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1561         statement for renaming.
1562         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1563         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1564         add_type_alias if necessary.
1565         Call mark_new_vars_to_rename.
1566         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1567         mark every statement updated, call update_ssa and
1568         rewrite_into_loop_closed_ssa.
1569         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1570         from LIVEIN if VAR is a virtual.
1571         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1572         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1573         (get_call_expr_operands): Reformat statement.
1574         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1575         symbols.
1576         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1577         SSA_NAME_VALUE for every name.
1578         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1579         get_value_loaded_by): New.
1580         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1581         substitute_and_fold): Move from tree-ssa-ccp.c.
1582         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1583         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1584         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1585         Declare.
1586         * tree-ssa.c (verify_use): Fix error message.
1587         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1588         check_phi_redundancy, kill_redundant_phi_nodes,
1589         pass_redundant_phi): Remove.  Update all users.
1590         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1591         add_type_alias, if necessary.
1592         * tree-vectorizer.h (struct _stmt_vect_info): Update
1593         documentation for field 'memtag'.
1594         * tree-vrp.c: New file.
1595         * tree.def (ASSERT_EXPR): Define.
1596         * tree.h (ASSERT_EXPR_VAR): Define.
1597         (ASSERT_EXPR_COND): Define.
1598         (SSA_NAME_VALUE_RANGE): Define.
1599         (struct tree_ssa_name): Add field 'value_range'.
1600         (PHI_REWRITTEN): Remove.
1601         (struct tree_phi_node): Remove field 'rewritten'.
1602         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1603         -ftree-store-copy-prop): Document.
1604         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1605         Document usage of update_ssa.
1606
1607 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1608
1609         PR target/20814
1610         * config/rs6000/predicates.md (altivec_register_operand): Accept
1611         SUBREG.
1612         (and64_operand): Do not limit CONST_INT to mask64_operand.
1613         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1614         (and_operand): Do not limit CONST_INT to mask_operand.
1615
1616 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1617
1618         PR rtl-optimization/20466
1619         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1620         for overlap of the address of each list member.
1621         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1622
1623 2005-04-08  Mike Stump  <mrs@apple.com>
1624
1625         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1626
1627         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1628         instead of 4.
1629
1630 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1631
1632         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1633
1634         * function.c (push_function_context_to): Don't set
1635         contains_functions.
1636         * function.h (function): Remove contains_functions.
1637         (current_function_contains_functions): Remove.
1638
1639         * function.h (function): Remove instrument_entry_exit.
1640         (current_function_instrument_entry_exit): Remove.
1641
1642         * function.h (nonlocal_labels): Remove.
1643
1644         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1645
1646         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1647         (check_attr_value, write_attr_get, write_expr_attr_cache,
1648         find_attr, make_internal_attr): Don't reference negative_ok or
1649         unsigned_p.
1650         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1651         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1652         (ATTR_STATIC): Adjust the value.
1653
1654         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1655
1656 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1657
1658         * config/s390/tpf.h (ASM_SPEC): Define.
1659
1660 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1661
1662         * tree-flow.h: Remove the prototype for
1663         redirect_immediate_uses.
1664         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1665
1666 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1667
1668         * arm.c (arm_const_double_by_parts): New function.
1669         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1670         * arm.md (define_split for 64-bit constants): Add another one.
1671
1672 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1673
1674         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1675
1676 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1677
1678         * system.h: Revert last change.
1679
1680 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1681
1682         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1683         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1684         (TARGET_SWITCHES): Delete.
1685         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1686         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1687         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1688         * config/xtensa/xtensa.opt: New file.
1689
1690 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1691
1692         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1693         * config/fp-bit.h: Tidy comments.
1694
1695 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1696
1697         * system.h: Poison PARAMS.
1698
1699 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1700
1701         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1702         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1703         (TARGET_SWITCHES): Delete.
1704         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1705         * config/vax/vax.opt: New file.
1706
1707 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1708
1709         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1710
1711 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1712
1713         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1714         define.
1715         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1716         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1717         Likewise.
1718
1719 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1720
1721         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1722         all immediate uses in PHI nodes.
1723
1724 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1725
1726         * arm.c (arm_const_double_inline_cost): Handle any constant by
1727         using gen_lowpart and gen_highpart_mode.
1728         (note_invalid_constants): All constants in an RTX with a constraint
1729         that permits memory are now pushed to the constant pool.
1730         (output_move_double): Delete code to handle reg to reg and
1731         constant to reg moves.
1732         (const_double_needs_minipool, output_mov_immediate): Delete.
1733         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1734         CONST_INT and CONST_VECTOR.
1735         * arm.md (ANY64): New mode macro.
1736         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1737         (movdf_soft_insn): Split reg-reg and const-reg moves.
1738         (split patterns for 64-bit constant and register moves): New.
1739         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1740         (cirrus_movdf_hard_insn): Likewise.
1741         * fpa.md (movdf_fpa): Likewise.
1742         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1743         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1744         constraints.
1745         (movv2si_internal_2): Likewise.
1746         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1747         (movdf_vfp): Likewise.
1748         * arm-protos.h (output_mov_immediate): Delete prototype.
1749
1750 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1751
1752         PR target/20093
1753         * simplify-rtx.c (simplify_unary_operation_1): Check
1754         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1755
1756 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1757
1758         PR target/20717
1759         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1760         ADDR_EXPR.
1761
1762 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1763
1764         * coverage.h (GCOV_TYPE_NODE): Delete.
1765         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1766         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1767         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1768         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1769         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1770
1771 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1772
1773         PR other/20792
1774         * Makefile.in (gcc.pot): Remove options.c dependency.
1775         * optc-gen.awk: Don't quote help strings with N_().
1776
1777 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1778
1779         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1780         the function returns a pointer type.
1781
1782 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1783
1784         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1785         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1786         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1787         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1788         explicit_uses members.
1789         (get_or_create_used_part_for): Initialize new fields.
1790         (fieldoff_compare): New function.
1791         (create_overlap_variables_for): Count number of fields, use
1792         heuristic to determine whether to create subvars for vars with
1793         only implicit uses.
1794         Sort the field list by offset and avoid creating duplicate SFT's.
1795
1796 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1797
1798         * c.opt (-F): Remove trailing whitespace from help string.
1799         (-finput-charset): Use a tab to separate the switch name and help
1800         string.
1801         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1802         (-ftree-vectorizer-verbose): Likewise.
1803
1804 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1805
1806         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1807         a PHI argument where a use occurs instead of all PHI arguments.
1808
1809 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1810
1811         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1812         scope.
1813
1814 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1815
1816         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1817         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1818         config/bfin/bfin.h: Fix comment typos.
1819
1820 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1821
1822         * doc/install.texi: Update the URL for Jacks.
1823         * doc/sourcebuild.texi: Likewise.
1824
1825 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1826
1827         PR target/17245
1828         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1829         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1830
1831 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1832
1833         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1834
1835 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1836
1837         * config/v850/v850-protos.h (override_options): Delete.
1838         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1839         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1840         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1841         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1842         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1843         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1844         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1845         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1846         (OVERRIDE_OPTIONS): Delete.
1847         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1848         (small_memory_info): Remove the value field.
1849         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1850         TARGET_NO_APP_REGS.
1851         * config/v850/v850.c (small_memory): Remove the value field.
1852         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1853         (override_options): Delete.
1854         (v850_handle_memory_option, v850_handle_option): New functions.
1855         * config/v850/v850.opt: New file.
1856
1857 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1858
1859         * config.host: Add a section for generic hosts, and a subsection
1860         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1861         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1862         * config/host-darwin.h: New.
1863         * config/x-darwin: New.
1864         * config/i386/host-i386-darwin.c: New.
1865         * config/i386/x-darwin: New.
1866         * config/rs6000/host-darwin.c: Include host-darwin.h.
1867         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1868         (darwin_rs6000_gt_pch_use_address): Likewise.
1869         * config/rs6000/x-darwin: Change name of .o built, update
1870         dependencies for changes to rs6000/host-darwin.c.
1871
1872 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1873
1874         PR target/17824
1875         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1876
1877 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1878
1879         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1880         split_loop_exit_edge instead of loop_split_edge_with.
1881
1882 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1883
1884         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1885         UNSPEC_SET_VSCR): New constants, used throughout.
1886         (*andc3_v4sf): New.
1887         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1888         Replace with...
1889         (altivec_vspltis<VI_char>): ... this pattern, using
1890         a QImode const_int_operand for the immediate.
1891         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1892         define_expands.
1893
1894 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1895
1896         PR target/17822
1897         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1898
1899 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1900
1901         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1902
1903 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1904
1905         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1906         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1907         macros as living in "this file" and not gcc.h.
1908
1909 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1910
1911         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
1912         -ftree-live_range_split.  Perhaps renamed at some point?
1913
1914 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1915
1916         PR target/20625
1917         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
1918         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
1919
1920 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1921
1922         * tree-flow.h (number_of_iterations_cond): Declaration removed.
1923         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
1924         (number_of_iterations_special): New function.
1925         (number_of_iterations_exit): Use number_of_iterations_special.
1926         Use simplify_using_outer_evolutions only at -O3.
1927         (number_of_iterations_cond, tree_simplify_using_condition,
1928         simplify_using_initial_conditions, loop_niter_by_eval,
1929         compare_trees, can_count_iv_in_wider_type_bound,
1930         simplify_using_outer_evolutions): Use fold_build.
1931
1932 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
1933
1934         * doc/install.texi (Configuration): Document --with-java-home.
1935
1936 2005-04-05  Richard Henderson  <rth@redhat.com>
1937
1938         PR target/20342
1939         PR target/20447
1940         * config/i386/i386.c (print_operand): Handle vector zeros.
1941         (ix86_split_to_parts): Handle CONST_VECTOR.
1942         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
1943         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
1944         what modes to tie for MMX and SSE registers.
1945         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
1946         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
1947         to vector modes as well.
1948         * config/i386/predicates.md (const0_operand): Handle VOIDmode
1949         properly as an input mode.
1950
1951 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1952
1953         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
1954
1955 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1956
1957         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
1958
1959 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1960
1961         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
1962         and local functions, set sse_nregs to 8 and float_in_sse.
1963         (function_arg_advance, function_arg): If float_in_sse, pass
1964         SFmode and DFmode arguments in SSE registers.
1965         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
1966
1967         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
1968         of -funit-at-a-time.
1969
1970 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1971
1972         * config/i386/i386-protos.h (ix86_function_value): Accept two
1973         arguments, like the target macro.
1974         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
1975         * config/i386/i386.c (ix86_function_value): Accept the second
1976         argument of the target macro.
1977         (ix86_function_ok_for_sibcall): Pass a function pointer to
1978         ix86_function_value.
1979         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
1980         call to ix86_value_regno).
1981         (ix86_value_regno): Add support for returning floating point values
1982         in SSE registers.
1983
1984 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1985
1986         PR tree-optimization/20076
1987         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
1988         that call __builtin_return or __builtin_apply_args.
1989
1990 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1991
1992         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
1993         Use immediate use iterator.
1994         (stmt_is_bumper_for_loop): Use immediate use iterator.
1995         * predict.c (strip_builtin_expect): Use update_stmt.
1996         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
1997         on all elements of a STATEMENT_LIST.
1998         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
1999         (bsi_remove): Remove imm_use links and mark the stmt as modified.
2000         (bsi_replace): Mark stmt as modified and the update it.
2001         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2002         (expand_complex_libcal): Call update_stmt.
2003         (expand_complex_comparison): Call mark_stmt_modified.
2004         (expand_complex_operations_1): Call update_stmt_if_modified.
2005         (expand_vector_operations_1): Call mark_stmt_modified.
2006         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2007         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2008         add_immediate_use, redirect_immediate_use,
2009         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2010         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2011         (mark_new_vars_to_rename): Call update_stmt.
2012         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2013         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2014         Ignore PHI nodes.
2015         (unmodify_stmt): Delete.
2016         (update_stmt): New.  Force an update of a stmt.
2017         (update_stmt_if_modified): update a stmt if it is out of date.
2018         (get_stmt_operands): Verify stmt is NOT modified.
2019         (stmt_modified_p): Update comment.
2020         (delink_imm_use): Remove a use node from its immuse list.
2021         (link_imm_use_to_list): Link a use node to a specific list.
2022         (link_imm_use): Link a node to the correct list.
2023         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2024         it in the correct list, if appropriate.
2025         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2026         (relink_imm_use): Link a use node in place of another node in a list.
2027         (relink_imm_use_stmt): LInk a node in place of another node, and set
2028         the stmt pointer.
2029         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
2030         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
2031         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
2032         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
2033         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
2034         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
2035         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
2036         (has_zero_uses): New.  Return true if there are no uses of a var.
2037         (has_single_use): New.  Return true if there is only a single use of a
2038         variable.
2039         (single_imm_use): New.  Return the simgle immediate use.
2040         (num_imm_uses): New.  Return the number of immediate uses.
2041         (get_v_must_def_ops): Use is now a pointer.
2042         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2043         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2044         the use node.
2045         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2046         (delink_stmt_imm_use): Delink all immuses from a stmt.
2047         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
2048         * tree-flow.h (struct dataflow_d): Delete.
2049         (immediate_use_iterator_d): New.  Immediate use iterator struct.
2050         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
2051         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
2052         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
2053         iteration.
2054         (struct stmt_ann_d): Remove dataflow_t from struct.
2055         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
2056         (if_convertible_phi_p): Use FAST immuse iterator.
2057         (if_convertible_loop_p): Don't call compute_immediate_uses.
2058         (replace_phi_with_cond_modify_expr): Call update_stmt.
2059         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2060         update_stmt_if_modified.
2061         (rewrite_all_into_ssa): Initialize ssa operands.
2062         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2063         compute_immediate_uses.
2064         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2065         ssa_property is available.
2066         (execute_one_pass):  Change parameters passed to execute_todo.
2067         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2068         (remove_ssa_form): Call fini_ssa_operands.
2069         (insert_backedge_copies): Delete call to modify_stmt.
2070         * tree-phinodes.c (make_phi_node): Initialize use nodes.
2071         (release_phi_node): Delink any use nodes before releasing.
2072         (resize_phi_node): Relink any use nodes.
2073         (remove_phi_arg_num): Delink the use node.
2074         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2075         (remove_all_phi_nodes_for): Release phi node first.
2076         * tree-pretty-print.c (dump_generic_node): Print stmt address.
2077         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2078         (scalarize_use, scalarize_copy): Call update_stmt.
2079         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2080         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2081         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2082         (ccp_initialize): Remove call to compute_immediate_uses.
2083         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2084         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2085         stmts.
2086         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2087         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2088         (eliminate_redundant_computations): Call mark_stmt_modified.
2089         (cprop_operand): Call mark_stmt_modified.
2090         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2091         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2092         (dse_optimize_stmt): Use new immuse interface.
2093         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2094         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2095         (substitute_single_use_vars): Use new immuse interface.
2096         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
2097         and compute_immediate_uses.
2098         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
2099         interface.
2100         (rewrite_mem_refs): Call update_stmt.
2101         (determine_lsm): Remove call to compute_imm_uses and free_df.
2102         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
2103         (try_unroll_loop_completely): Call update_stmt.
2104         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
2105         (rewrite_use_compare): Call update_stmt.
2106         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
2107         (rewrite_use) : Call update_stmt.
2108         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
2109         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
2110         update_stmt.
2111         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
2112         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
2113         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
2114         use nodes.
2115         (initialize_vuse_operand): New.  Initialize a vuse operand.
2116         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
2117         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
2118         (finalize_ssa_defs): Use stmt parameter.
2119         (correct_use_link): Ensure a use node is in the correct list, and has
2120         the correct stmt pointer.
2121         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
2122         finalize_ssa_v_must_defs): Also initialize use nodes.
2123         (finalize_ssa_stmt_operands): Pass extra stmt operands.
2124         (build_ssa_operands): Seperate parsing from final operand construction.
2125         (parse_ssa_operands): New.  Parse entry point for operand building.
2126         (swap_tree_operands): New.  Swap 2 tree operands.
2127         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
2128         operands.
2129         (get_expr_operands): Call swap_tree_operands when needed.
2130         (copy_virtual_operands): Use initialize routines for virtual use ops.
2131         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
2132         (verify_abort): New.  Issue imm_use error.
2133         (verify_imm_links): New Verify imm_use links for a var.
2134         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
2135         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
2136         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
2137         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
2138         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
2139         (NULL_USE_OPERAND_P) Define.
2140         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
2141         use node.
2142         (struct vuse_operand_type): New struct.
2143         (SET_USE): Call set_ssa_use_from_ptr.
2144         (USE_STMT): Define.
2145         (PHI_ARG_INDEX_FROM_USE): Define.
2146         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
2147         argument via SET_USE, not PHI_ARG_DEF_TREE.
2148         * tree-ssa-pre.c (eliminate): Call update_stmt.
2149         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
2150         call free_df.
2151         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
2152         (nearest_common_dominator_of_uses): Use imm_use iterator.
2153         (statement_sink_location): Use imm_use iterator and interface.
2154         (execute_sink_code): Don't call compute_immediate_uses or free-df.
2155         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
2156         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
2157         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
2158         (verify_ssa): Ensure no stmt is marked modify after optimization pass
2159         if new parameter is true.
2160         (init_tree_ssa): Don't initialize operand cache here.
2161         (delete_tree_ssa): Don't destroy operand cache here.
2162         (propagate_into_addr): Pass in a use pointer, return true if anything
2163         was changed.
2164         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
2165         (check_phi_redundancy): Use imm_use iterator.
2166         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
2167         free_df.
2168         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
2169         (release_ssa_name): Delink node and all elements in its imm_use list.
2170         * tree-tailcall.c (adjust_return_value): Call update_stmt.
2171         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
2172         * tree-vectorizer.c (need_imm_uses_for): Delete.
2173         (vectorize_loops): Dont call compute_immediate_uses or free_df.
2174         * tree.h (struct ssa_imm_use_d): Define.
2175         (SSA_NAME_IMM_USE_NODE): Define.
2176         (struct tree_ssa_name): Add imm_use node.
2177         (PHI_DF): Delete.
2178         (PHI_ARG_IMM_USE_NODE): Define.
2179         (struct phi_arg_d): Add imm_use node.
2180         (struct tree_phi_node): Remove struct dataflow_d element.
2181         (TDF_STMTADDR): Define.
2182
2183 2005-04-05  Dale Johannesen  <dalej@apple.com>
2184
2185         * doc/invoke.texi (Optimization Options):  Remove
2186         duplicate -fcse-follow-jumps.  Add -fweb.
2187         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
2188         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
2189
2190 2005-04-05  Per Bothner  <per@bothner.com>
2191
2192         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
2193         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
2194         (warn_uninit): Get EXPR_LOCUS from context now instead.
2195         This fixes a USE_MAPPED_LOCATION testsuite failure.
2196
2197         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
2198
2199 2005-04-05  Per Bothner  <per@bothner.com>
2200
2201         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
2202         of the artification 'return 0' in main() to BUILTINS_LOCATION.
2203         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
2204         before warning.
2205
2206 2004-04-05  Devang Patel  <dpatel@apple.com>
2207
2208         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
2209         (lhsr<mode>3): ... new name.
2210         (altivec_vsra<VI_char>): Rename to ..
2211         (ashr<mode>3): ... new name.
2212         * config/rs6000/rs6000.c (builtin_description): Rename shift
2213         operations.
2214
2215 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
2216
2217         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
2218         gen_lowpart_for_combine.
2219         * cse.c (gen_lowpart_if_possible): Move...
2220         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
2221         gen_lowpart_SUBREG.
2222         (gen_lowpart_no_emit_general): Use it.
2223
2224 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2225
2226         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
2227         overriding.
2228
2229 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2230
2231         * system.h: Fix typo.
2232
2233 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2234
2235         * config/bfin/bfin-modes.def: New file.
2236         * config/bfin/bfin-protos.h: New file.
2237         * config/bfin/bfin.c: New file.
2238         * config/bfin/bfin.h: New file.
2239         * config/bfin/bfin.md: New file.
2240         * config/bfin/bfin.opt: New file.
2241         * config/bfin/crti.s: New file.
2242         * config/bfin/crtn.s: New file.
2243         * config/bfin/elf.h: New file.
2244         * config/bfin/lib1funcs.asm: New file.
2245         * config/bfin/predicates.md: New file.
2246         * config/bfin/t-bfin: New file.
2247         * config/bfin/t-bfin-elf: New file.
2248         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
2249         Document new attributes.
2250         (interrupt, interrupt_handler, saveall): Update documentation for
2251         these attributes.
2252         * doc/install.texi (Specific): Add entry for the Blackfin.
2253         * doc/invoke.texi (Blackfin Options): New section.
2254         * doc/md.texi (Blackfin family): New section to document constraints.
2255         * config.gcc: Add bfin*-* and bfin*-elf configurations.
2256
2257 2005-04-05  Olivier Hainque  <hainque@adacore.com>
2258
2259         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
2260         match what the system unwinder expects.
2261         * config/mips/mips.c (mips_frame_set): If we're saving the return
2262         address register and the dwarf return address column number differs
2263         from the hard register number, adjust the note reg to refer to the
2264         former.
2265
2266 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
2267
2268         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
2269         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
2270         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2271         (processor_type): New enum.
2272         (mn10300_processor): New variable.
2273         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
2274         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
2275         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2276         (PROCESSOR_DEFAULT): New macro.
2277         * config/mn10300/mn10300.c (mn10300_processor): New variable.
2278         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2279         (mn10300_handle_option, mn10300_override_options): New functions.
2280         * config/mn10300/mn10300.opt: New file.
2281
2282 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2283             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
2284
2285         PR tree-optimization/19903
2286         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
2287         that don't fit in their type after conversion.
2288
2289 2005-04-05  Uros Bizjak <uros@kss-loka.si>
2290
2291         PR target/20421
2292         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
2293         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
2294         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
2295         flag here. Implement using define_insn_and_split.
2296         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
2297         (frndintxf2_mask_pm_i387): New insn patterns.
2298         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
2299         Do not set ix86_optimize_mode_switching flag.
2300         (ceilsf2, ceildf2, ceilxf2): Same.
2301         (btruncsf2, btruncdf2, btruncxf2): Same.
2302         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
2303
2304 2005-04-05  Ian Lance Taylor  <ian@airs.com>
2305
2306         PR debug/9963
2307         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
2308         i386_pe_record_external_function.
2309         (i386_pe_record_external_function): Update declaration.
2310         * config/i386/winnt.c (struct extern_list): Add decl field.
2311         (i386_pe_record_external_function): Add decl parameter.
2312         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
2313         identifier.
2314         * config/i386/i386-protos.h (i386_pe_record_external_function):
2315         Update declaration.
2316
2317 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
2318
2319         * config/m68k/m68k-protos.h: Add a prototype for
2320         valid_dbcc_comparison_p_2.
2321         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
2322         extend_operator, const_uint32_operand, const_sint32_operand,
2323         general_src_operand, nonimmediate_src_operand,
2324         memory_src_operand, post_inc_operand, pre_dec_operand,
2325         pcrel_address): Move to predicates to predicates.md.
2326         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
2327         * config/m68k/m68k.md: Include predicates.md.
2328         * config/m68k/predicates.md: New.
2329
2330 2005-04-04  Roger Sayle  <roger@eyesopen.com>
2331
2332         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
2333
2334         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
2335
2336 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2337
2338         * c-typeck.c (struct c_switch): Rename switch_stmt field to
2339         switch_expr.
2340         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
2341         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
2342         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
2343         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
2344         * c-common.c (c_do_switch_warnings_1): New static function broken
2345         out of c_do_switch_warnings.
2346         (c_do_switch_warnings): Call c_do_switch_warnings_1.
2347         (c_do_switch_expr_warnings): New function.
2348         * c-common.h (c_do_switch_expr_warnings): Declare.
2349
2350 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2351             Daniel Jacobowitz  <dan@codesourcery.com>
2352
2353         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
2354         trapping divide.
2355         * rtlanal.c (may_trap_p): Same.
2356
2357 2005-04-04  Dale Johannesen  <dalej@apple.com>
2358
2359         * ChangeLog:  remove reference to ChangeLog.12.
2360
2361 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
2362
2363         CRIS epilogue as RTL.
2364         * config/cris/cris.md: Change all 0 in unspec 0 to
2365         CRIS_UNSPEC_PLT.
2366         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
2367         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
2368         patterns.
2369         ("return"): Change to define_expand.  Call cris_expand_return for
2370         actual expansion.
2371         ("*return_expanded"): New pattern.
2372         ("epilogue"): New define_expand.
2373         * config/cris/cris.h (PREDICATE_CODES): Add
2374         cris_load_multiple_op.
2375         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
2376         type.
2377         (enum cris_retinsn_type): New.
2378         (struct machine_function): New member return_type.
2379         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
2380         (cris_target_asm_function_epilogue): Remove, moving RTLified
2381         contents to...
2382         (cris_expand_epilogue): New function.
2383         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2384         (cris_gen_movem_load, cris_load_multiple_op)
2385         (cris_return_address_on_stack_for_return, cris_expand_return): New
2386         functions.
2387         (cris_target_asm_function_prologue)
2388         (cris_initial_frame_pointer_offset): Call
2389         cris_reg_saved_in_regsave_area instead of complicated expression.
2390         Call cris_return_address_on_stack instead of an expression.
2391         (cris_print_operand) <case 'o', case 'O'>: New cases.
2392         (cris_return_address_on_stack): Change return-type to bool.
2393         (cris_simple_epilogue): Ditto.  Return false if registers are
2394         saved.
2395         * config/cris/cris-protos.h (cris_simple_epilogue)
2396         (cris_return_address_on_stack): Adjust prototype return type.
2397         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2398         (cris_return_address_on_stack_for_return): New prototypes.
2399
2400 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2401
2402         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2403         gpr_or_int12_operand.
2404
2405         * config/frv/frv-protos.h: Add a prototype to
2406         frv_legitimate_memory_operand and frv_const_unspec_p.
2407         (frv_unspec): Move from frv.c.
2408         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2409         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2410         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2411         gpr_or_fpr_operand, gpr_or_int12_operand,
2412         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2413         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2414         int6_operand, int5_operand, uint5_operand, uint4_operand,
2415         uint1_operand, int_2word_operand, uint16_operand,
2416         upper_int16_operand, integer_register_operand,
2417         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2418         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2419         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2420         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2421         move_destination_operand, movcc_fp_destination_operand,
2422         frv_function_symbol_referenced_p, move_source_operand,
2423         condexec_dest_operand, condexec_source_operand,
2424         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2425         const_unspec_operand, gpr_or_memory_operand,
2426         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2427         icc_operand, fcc_operand, cc_operand, icr_operand,
2428         fcr_operand, cr_operand, call_operand, sibcall_operand,
2429         symbolic_operand, relational_operator,
2430         integer_relational_operator, float_relational_operator,
2431         ccr_eqne_operator, minmax_operator,
2432         condexec_si_binary_operator, condexec_si_media_operator,
2433         condexec_si_divide_operator, condexec_si_unary_operator,
2434         condexec_sf_conv_operator, condexec_sf_add_operator,
2435         condexec_memory_operand, intop_compare_operator, acc_operand,
2436         even_acc_operand, quad_acc_operand, accg_operand: Move to
2437         predicates.md.
2438         * config/frv/frv.h (PREDICATE_CODES): Remove.
2439         * config/frv/frv.md: Include predicates.md.
2440         * config/frv/predicates.md: New.
2441
2442 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2443
2444         PR target/19537
2445         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2446         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2447         (add_standard_iv_candidates_for_size): New function, extracting code
2448         from add_standard_iv_candidates and parameterizing it by type size.
2449         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2450
2451 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2452
2453         * system.h (GCOV_SIZE_TYPE): Unposion.
2454         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2455         (GCOV_TYPE_SIZE): ...this new macro.
2456         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2457         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2458         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2459         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2460         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2461         instead of unsigned_intSI_type_node.
2462         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2463         (rtl_gen_one_value_profiler_no_edge_manipulation)
2464         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2465         * value-prof.c: Include coverage.h.
2466
2467 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2468             Diego Novillo <dnovillo@redhat.com>
2469
2470         Fix PR tree-optimization/20703
2471         Fix PR tree-optimization/20725
2472
2473         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2474         (create_expression_by_pieces): Ditto.
2475         (valid_in_set): Ditto. Also handle tcc_declaration.
2476         (find_or_generate_expression): Handle comparison class.
2477         (insert_into_preds_of_block): Ditto.
2478         (insert_aux): Ditto.
2479         (create_value_expr_from): Handle comparison class, recursively
2480         handle reference nodes.
2481         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2482         (execute_pre): Fix spacing.
2483         (do_fre): Renamed to execute_fre.
2484
2485 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2486
2487         * doc/invoke.texi (SPARC options): Document that
2488         -mlittle-endian is not supported on Linux either.
2489
2490 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2491
2492         PR target/4198
2493         PR target/12027
2494         * config.gcc (Obsolete configurations): Remove
2495         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2496         (sparclite-*-coff*): Delete.
2497         (sparclite-*-elf*): Likewise.
2498         (sparc86x-*-elf*): Likewise.
2499         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2500         * config/sparc/lite.h: Delete.
2501         * config/sparc/litecoff.h: Likewise.
2502         * config/sparc/liteelf.h: Likewise.
2503         * config/sparc/sp86x-elf.h: Likewise.
2504         * config/sparc/t-sparclite: Likewise.
2505         * config/sparc/t-sp86x: Likewise.
2506
2507 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2508
2509         * config/s390/s390-protos.h: (s390_comparison,
2510         s390_alc_comparison, s390_slb_comparison, const0_operand,
2511         consttable_operand, larl_operand, s_operand,
2512         shift_count_operand, bras_sym_operand, load_multiple_operation,
2513         store_multiple_operation, s390_plus_operand): Remove prototypes.
2514         (s390_legitimate_address_without_index_p): New prototype.
2515         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2516         to s390.h.
2517         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2518         const0_operand, consttable_operand, larl_operand, s_operand,
2519         shift_count_operand, bras_sym_operand, load_multiple_operation,
2520         store_multiple_operation, s390_plus_operand): Move to
2521         predicates.md.
2522         (check_mode): Remove.
2523         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2524         s390-protos.h.
2525         (s390_legitimate_address_without_index_p): New.
2526         * config/s390/s390.h (PREDICATE_CODES): Remove.
2527         * config/s390/s390.md: Include predicates.md.
2528         * config/s390/predicates.md: New.
2529
2530 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2531
2532         PR target/20446
2533         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2534         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2535         (NEED_INDICATE_EXEC_STACK): Define to 1.
2536         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2537         (NEED_INDICATE_EXEC_STACK): Define to 1.
2538         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2539         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2540         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2541         (pic_helper_emitted_p): New global.
2542         (emit_pic_helper): New function extracted from...
2543         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2544         Do not call emit_pic_helper if delay_pic_helper is true.
2545         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2546         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2547         (sparc_file_end): New function.
2548
2549 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2550
2551         * config/mcore/mcore-protos.h: Remove the prototypes for
2552         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2553         mcore_general_movdst_operand, mcore_reload_operand,
2554         mcore_arith_J_operand, mcore_arith_K_operand,
2555         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2556         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2557         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2558         mcore_literal_K_operand, mcore_addsub_operand,
2559         mcore_compare_operand, mcore_load_multiple_operation,
2560         mcore_store_multiple_operation, mcore_call_address_operand.
2561         Add a prototype for const_ok_for_mcore.
2562         * config/mcore/mcore.c (mcore_call_address_operand,
2563         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2564         mcore_arith_reg_operand, mcore_reload_operand,
2565         mcore_arith_J_operand, mcore_arith_K_operand,
2566         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2567         mcore_arith_M_operand, mcore_arith_imm_operand,
2568         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2569         mcore_literal_K_operand, mcore_addsub_operand,
2570         mcore_compare_operand, mcore_load_multiple_operation,
2571         mcore_store_multiple_operation): Move to predicates.md.
2572         (const_ok_for_mcore): Export.
2573         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2574         * config/mcore/mcore.md: Include predicates.md.
2575         * config/mcore/predicates.md: New.
2576
2577         * config/mcore/predicates.md: Fix a comment typo.
2578
2579 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2580             Adrian Straetling  <straetling@de.ibm.com>
2581
2582         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2583         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2584         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2585         attribute.
2586         ("imul"): Removed from "type" attribute.
2587         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2588         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
2589         Changed type to imulsi.
2590         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2591
2592 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2593
2594         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2595         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2596         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2597         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2598         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2599         (TARGET_SWITCHES, mcore_stack_increment_string)
2600         (TARGET_OPTIONS): Delete.
2601         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2602         than *_BIT constants.
2603         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2604         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2605         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2606         (mcore_override_options): Delete mcore_stack_increment code.
2607         Change use of M340_BIT to MASK_M340.
2608         * config/mcore/mcore.opt: New file.
2609
2610 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2611
2612         * config/arm/arm.c (replace_symbols_in_block): Remove static
2613         function.
2614
2615 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2616
2617         * config/fr30/fr30-protos.h: Remove the prototypes for
2618         stack_add_operand, add_immediate_operand,
2619         high_register_operand, low_register_operand, call_operand,
2620         di_operand, and nonimmediate_di_operand.
2621         * config/fr30/fr30.c (stack_add_operand,
2622         add_immediate_operand, high_register_operand,
2623         low_register_operand, call_operand, di_operand,
2624         nonimmediate_di_operand): Move to predicates.md.
2625         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2626         * config/fr30/fr30.md: Include predicates.md.
2627         * config/fr30/predicates.md: New.
2628
2629         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2630         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2631         mcore_call_address_operand.
2632
2633         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2634         general_movsrc_operand.
2635
2636 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2637
2638         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2639         after freeing.
2640
2641 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2642
2643         PR target/14812
2644         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2645         a negated value.
2646
2647 2005-04-04  Richard Henderson  <rth@redhat.com>
2648             Jakub Jelinek  <jakub@redhat.com>
2649
2650         PR rtl-optimization/16104
2651         * fold-const.c (fold_unary): Fix folding of vector conversions.
2652
2653 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2654
2655         * config.gcc (xstormy16-*-elf): Set extra_options.
2656         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2657         * config/stormy16/stormy16.opt: New file.
2658
2659 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2660
2661         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2662         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2663         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2664         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2665         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2666         (TARGET_UNIX_ASM): Delete.
2667         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2668         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2669         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2670         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2671         * config/pdp11/pdp11.opt: New file.
2672
2673 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2674             Alexandre Oliva  <aoliva@redhat.com>
2675
2676         PR c++/19199
2677         * fold-const.c (non_lvalue): Split tests into...
2678         (maybe_lvalue_p): New function.
2679         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2680         C++ front-end prior to lowering into gimple form.
2681
2682 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2683
2684         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2685         BUILT_IN_STRNCASECMP): New.
2686         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2687         and strndup.
2688
2689 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2690
2691         PR target/14812
2692         * arm.md (addsi3_compare0_for_combiner): Delete.
2693         (addsi3_compare0_scratch_for_combiner): Delete.
2694         (cmpsi_neg_shiftsi): Delete.
2695         (compare_negsi_si): New pattern.
2696         (cmpsi_negshiftsi_si): New pattern.
2697         (negated_cbranchsi4): Restrict to equality_operator.
2698
2699         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2700         template.
2701
2702 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2703
2704         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2705         Fix comment typos.
2706
2707         * doc/install.texi: Fix a typo.
2708
2709 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2710
2711         PR middle-end/20648
2712         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2713         a computed goto if the edge to the computed goto block has
2714         incoming abnormal edges.  Clarify how the function works.
2715
2716 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2717
2718         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2719         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2720         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2721         hash_scan_set, reg_set_between_after_reload_p,
2722         reg_used_between_after_reload_p, get_avail_load_store_reg,
2723         eliminate_partially_redundant_load): Likewise.
2724         * postreload.c (reload_cse_simplify_set,
2725         reload_combine_note_use): Likewise.
2726         * predict.c (predict_insn, expected_value_to_br_prob,
2727         propagate_freq, expensive_function_p): Likewise.
2728         * print-rtl.c (print_rtx): Likewise.
2729         * profile.c (instrument_edges, instrument_values,
2730         compute_branch_probabilities, branch_prob, union_groups,
2731         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2732         * protoize.c (in_system_include_dir, file_could_be_converted,
2733         file_normally_convertible, gen_aux_info_file, seek_to_line,
2734         do_cleaning): Likewise.
2735         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2736         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2737         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2738
2739 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2740
2741         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2742         * modulo-sched.c (undo_replace_buff_elem): New structure.
2743         (kernel_number_of_cycles, ps_unschedule_node,
2744         undo_generate_reg_moves,free_undo_replace_buff,
2745         undo_permute_partial_schedule,  loop_single_full_bb_p,
2746         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2747         build_loops_structure, get_sched_window): New.
2748         (generate_reg_moves): Return undo_replace_buff_elem and other
2749         fixes.
2750         (generate_prolog_epilog): Remove old loop versioning.
2751         (sms_schedule): Use loop information and loop_version.
2752         (sms_schedule_by_order): Split part of it to get_sched_window.
2753         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2754         cfg_layout_finalize and free_dominance_info before/after SMS.
2755
2756 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2757
2758         * cfghooks.c (lv_flush_pending_stmts,
2759         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2760         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2761         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2762         lv_add_condition_to_bb,
2763         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2764         flush_pending_stmts): New in cfg_hooks structure.
2765         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2766         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2767         lv_add_condition_to_bb): New declarations.
2768         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2769         bool.
2770         (loop_version): Declare.
2771         * cfgloopmanip.c (cfghooks.h): Include.
2772         (duplicate_loop_to_header_edge): Change return type to bool.
2773         (loop_version, lv_adjust_loop_entry_edge): Move here.
2774         * cfgrtl.c (cfgloop.h): Include.
2775         (rtl_verify_flow_info_1): Fix.
2776         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2777         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2778         initialization.
2779         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2780         tree_lv_add_condition_to_bb): New.
2781         (tree_cfg_hooks): Add new hooks to initialization.
2782         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2783         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2784
2785 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2786
2787         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2788         xstormy16_below100_or_register,
2789         xstormy16_splittable_below100_or_register, and
2790         nonimmediate_nonstack_operand.
2791
2792         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2793         xstormy16_ineqsi_operator, equality_operator,
2794         inequality_operator, shift_operator,
2795         xstormy16_below100_operand, xstormy16_below100_or_register,
2796         xstormy16_splittable_below100_or_register,
2797         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2798         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2799         equality_operator, inequality_operator,
2800         xstormy16_below100_operand, xstormy16_below100_or_register,
2801         xstormy16_splittable_below100_or_register,
2802         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2803         nonimmediate_nonstack_operand, shift_operator): Move to
2804         predicates.md.
2805         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2806         * config/stormy16/stormy16.md: Include predicates.md.
2807         * config/stormy16/predicates.md: New.
2808
2809 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2810
2811         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2812         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2813         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2814         move_operand, power_of_2_operand): Move to predicates.md.
2815         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2816         PREDICATE_CODE): Remove.
2817         * config/iq2000/iq2000.md: Include predicates.md.
2818         * config/iq2000/predicates.md: New.
2819
2820 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2821
2822         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2823         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2824         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2825         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2826         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2827         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2828         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2829         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2830         (TARGET_M68HC11): Delete.
2831         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2832         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2833         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2834         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2835         (nb_soft_regs): Delete.
2836         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2837         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2838         and MASK_M6812 being set simultaneously.  Change the code that sets
2839         the default m68hc11_soft_reg_count to use integers instead of strings.
2840         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2841         m68hc11_soft_reg_count (which now has an int type) as the number
2842         of soft registers.
2843         * config/m68hc11/m68hc11.opt: New file.
2844
2845 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2846
2847         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2848         fp_displacement_operand, sp_displacement_operand.
2849
2850         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2851         m68hcc_auto_inc_p.
2852         Remove the prototypes for tst_operand, cmp_operand,
2853         stack_register_operand, d_register_operand,
2854         hard_addr_reg_operand, splitable_operand,
2855         m68hc11_logical_operator, m68hc11_arith_operator,
2856         m68hc11_non_shift_operator, m68hc11_shift_operator,
2857         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2858         non_push_operand, hard_reg_operand, and
2859         reg_or_some_mem_operand.
2860         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2861         extern.
2862         (tst_operand, cmp_operand, non_push_operand,
2863         splitable_operand, reg_or_some_mem_operand,
2864         stack_register_operand, d_register_operand,
2865         hard_addr_reg_operand, hard_reg_operand,
2866         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2867         m68hc11_arith_operator, m68hc11_non_shift_operator,
2868         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2869         predicates.md.
2870         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2871         * config/m68hc11/m68hc11.md: Include predicates.md.
2872         * config/m68hc11/predicates.md: New.
2873
2874 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2875
2876         PR debug/19345
2877         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2878         change checked in along with 2005-03-03's patch for debug/20253.
2879         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2880         (remap_decl): Insert type decl in map earlier.
2881
2882 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2883
2884         PR tree-optimization/20640
2885         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2886         post-dominator if it has phi nodes.
2887         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2888         before dead statements.
2889
2890 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2891
2892         PR middle-end/20491
2893         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2894
2895 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2896
2897         PR rtl-optimization/20290
2898         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2899         in every iteration if the entry point is the exit test.
2900
2901 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2902
2903         * config/cris/cris.md (attribute "length"): Define.
2904
2905 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2906
2907         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2908         (word_offset_memref_operand): New.
2909         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2910         (indexed_or_indirect_operand): Delete.
2911         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
2912         (indexed_or_indirect_operand): Delete.
2913
2914         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
2915
2916         PR 20650
2917         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
2918         a register.
2919
2920         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
2921         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
2922
2923 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2924
2925         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
2926
2927 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2928
2929         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
2930         (rus, prus): Remove static variables.
2931         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
2932         (process_command): Permit report_times and use_pipes together.
2933
2934 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2935
2936         * c-decl.c (validate_proto_after_old_defn): Look at
2937         TYPE_MAIN_VARIANT of argument types.
2938
2939 2005-04-01  Paul Brook  <paul@codesourcery.com>
2940
2941         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
2942         (arm_output_function_epilogue): Allow call_via_SP.
2943         (thumb_call_via_reg, arm_file_end): Ditto.
2944         * config/arm/arm.h (struct machine_function): Include space for SP.
2945         (thumb_call_via_label): Update declaration.
2946
2947 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2948
2949         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
2950         doing a peephole optimization, once again put any notes in the
2951         proper position.
2952
2953 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2954
2955         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
2956
2957 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2958
2959         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
2960         (block_alloc, find_free_reg): Likewise.
2961         * loop-doloop.c (doloop_modify): Likewise.
2962         * loop-invariant.c (record_use): Likewise.
2963         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
2964         get_iv_value, canon_condition, eliminate_implied_condition,
2965         eliminate_implied_condition, simplify_using_initial_values,
2966         shorten_into_mode, canonicalize_iv_subregs,
2967         iv_number_of_iterations): Likewise.
2968         * loop-unroll.c (expand_var_during_unrolling): Likewise.
2969         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
2970         unswitch_loop): Likewise.
2971         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
2972         move_movables, replace_call_address, find_and_verify_loops,
2973         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
2974         record_giv, final_giv_value, general_induction_var,
2975         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
2976         loop_giv_dump): Likewise.
2977
2978         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
2979         GCOV_CHECK_WRITING): Remove.
2980         (gcov_position, gcov_rewrite): Use gcc_assert.
2981         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
2982         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
2983         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
2984         gcc_assert.
2985
2986 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2987
2988         * tree-inline.c: Fix a typo.
2989
2990 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2991
2992         * configure.ac (enable-checking): Explicitly set all variables for
2993         collective switch values.  Alphabetize variables. Rename
2994         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
2995         synonym for 'no'.
2996         * doc/install.texi (enable-checking): Update documentation.
2997         * configure: Rebuilt.
2998
2999 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3000
3001         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3002         possible.
3003
3004 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3005
3006         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3007         Also reject cases where this pattern will cause load delay stalls
3008         unless optimizing for size and it will produce a shorter sequence.
3009         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3010         variants to avoid pre-adjusting the base when possible.
3011
3012 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3013
3014         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3015         the frame and argument pointers.
3016         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3017         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3018         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3019         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3020         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3021         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3022
3023 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
3024
3025         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3026         with entry for selectany attribute.
3027         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3028         Declare.
3029         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3030         (i386_pe_asm_named_section): Handle sections generated by
3031         selectany attribute.
3032         * doc/extend.texi (selectany): Document attribute.
3033
3034 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
3035             Jan Hubicka  <jh@suse.cz>
3036
3037         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3038         to fix addresses involving EBP and ESP.
3039         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3040         for SUBREGed registers.
3041         (legitimate_address_p): Accept SUBREGed registers.
3042
3043 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
3044
3045         PR c++/19406
3046         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3047         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3048         for FIELD_DECLs.
3049
3050 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3051
3052         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3053
3054 2005-04-01  James E Wilson  <wilson@specifixinc.com>
3055
3056         PR c++/20505
3057         * dwarf2out.c (rtl_for_decl_init): New function.
3058         (rtl_for_decl_location): Extracted from here.
3059         (tree_add_const_value_attribute): Call rtl_for_decl_init and
3060         add_const_value_attribute.  Delete initializer_constant_valid_p call.
3061
3062 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3063
3064         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3065         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3066         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3067         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3068         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3069         config/i386/i386.md, config/rs6000/predicates.md,
3070         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3071         config/s390/s390.c, config/stormy16/stormy16.c,
3072         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3073         typos.
3074
3075 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3076
3077         PR c/17855
3078         * gimplify.c (gimplify_expr): Create a temporary for lvalue
3079         COND_EXPR and CALL_EXPR.
3080
3081 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3082
3083         PR target/20632
3084         * genautomata.c (first_cycle_unit_presence): Check all alternative
3085         states for unit presence.
3086
3087         * doc/md.texi: Remove remark about impossibility to query unit
3088         presence in non nondeterministic automaton state.
3089
3090         * config/ia64/ia64.c (get_template): Change order of unit querying.
3091
3092 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3093
3094         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3095         obsolete comment.
3096
3097 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
3098
3099         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
3100         flag for edges outside any loops.
3101
3102 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
3103
3104         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
3105
3106 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3107
3108         * tree-ssa-alias.c: Follow spelling conventions.
3109         * doc/tree-ssa.texi: Fix a typo.
3110
3111 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
3112
3113         * postreload-gcse.c: Include target.h.
3114         (gcse_after_reload_main): Return early if we cannot modify jumps.
3115         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
3116
3117 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
3118
3119         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
3120         expensive operations.
3121
3122 2005-03-31  Ian Lance Taylor  <ian@airs.com>
3123
3124         * collect2.c (lderrout): New variable.
3125         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
3126         if it is set, to stderr.
3127         (handler): Unlink lderrout if it is set.
3128         (dump_file): Add "to" parameter.  Change all callers.
3129         (main): Initialize lderrout.
3130         (collect_execute): Add errname parameter.  Change all callers.
3131         Rename redir parameter to outname.  Never pass
3132         PEX_STDERR_TO_STDOUT to pex_run.
3133         * collect2.h (collect_execute, dump_file): Update declarations.
3134         * tlink.c (tlink_execute): Add errname parameter.  Change all
3135         callers.
3136         (do_tlink): Check lderrout as well as ldout.
3137
3138 2005-03-31  Caroline Tice  <ctice@apple.com>
3139
3140         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
3141         (bb-reorder.o): Add errors.h to list of requirements.
3142         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
3143         profiledbootstrap flags.
3144         * bb-reorder.c (errors.h): Add new include.
3145         (struct bbro_basic_block_data_def): Add new field, in_trace.
3146         (add_unlikely_executed_notes):  Remove function.
3147         (mark_bb_for_unlikely_executed_section): Remove function.
3148         (insert_section_boundary_note): New function.
3149         (verify_hot_cold_block_grouping): New function.
3150         (push_to_next_round_p): Remove variables and tests that push all
3151         cold blocks to last round.
3152         (find_traces): Remove code that added extra round of trace finding
3153         when doing partitioning.
3154         (find_traces_1_round) :  Remove variable last_round;  add code to
3155         update new struct field, in_trace; correct trace_length where it was
3156         incorrect before (after call to copy_bb); change code that pushed all
3157         cold blocks to last round. Instead verify that all blocks going into
3158         a trace belong in the same partition.
3159         (connect_traces): Modify to connect the traces in two passes, if the
3160         function contains both hot and cold blocks.  The first pass connects
3161         all the traces for blocks in the partition that the first block in
3162         the function belongs to; the second pass connnects all the traces
3163         containing blocks that belong in the other partition.
3164         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
3165         code that automatically put the first block in a function into the
3166         hot partition if the function had any hot blocks.
3167         (fix_crossing_unconditional_branches): Check number of succ edges
3168         before attempting to get one.
3169         (fix_edges_for_rarely_executed_code):  Update comment describing
3170         function.
3171         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
3172         remove call to add_unlikely_executed_notes; add call to
3173         verify_hot_cold_block_grouping.
3174         (duplicate_computed_gotos): Don't change computed goto if it's a
3175         crossing edge.
3176         (partition_hot_cold_basic_blocks):  Update function comment.
3177         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
3178         condition.
3179         (try_forward_edges): Likewise.
3180         (merge_blocks_move_predecessor_nojumps): Likewise.
3181         (merge_blocks_move_successor_nojumps): Likewise.
3182         (merge_blocks_move): Likewise.
3183         (try_crossjump_bb): Likewise.
3184         * cfglayout.c (update_unlikely_executed_notes): Remove function.
3185         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
3186         notes to cold bb's; remove call to update_unlikely_executed_notes.
3187         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3188         NOTE_INSN_SWITCH_TEXT_SECTIONS.
3189         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
3190         function declaration.
3191         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
3192         from consideration.
3193         (rtl_can_merge_blocks): Remove redundancy from condition.
3194         (try_redirect_by_replacing_jump): Likewise.
3195         (force_nonfallthru_and_redirect): Remove code for adding
3196         UNLIKELY_EXECUTED_CODE notes to cold bb's.
3197         (commit_one_edge_insertion): Likewise.
3198         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
3199         * dbxout.c (FORCE_TEXT): Replace function_section with
3200         current_function_section.
3201         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
3202         function, switch_text_section.
3203         (struct xcoff_debug): Likewise.
3204         (dbxout_function_end): Add code to put out label diffs for both
3205         hot and cold sections.
3206         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
3207         for new debug_hooks funciton, switch_text_section..
3208         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
3209         switch_text_section.
3210         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
3211         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
3212         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
3213         dw_fde_switched_sections.
3214         (output_call_frame_info):  Add test to see if function switches text
3215         sections in the middle; if so, use appropriate extra hot and cold
3216         section labels to compute size deltas for the hot and cold sections.
3217         (dwarf2out_begin_prologue): Add code to initialize new fields in
3218         dw_fde_struct.
3219         (dwarf2out_switch_text_section): New function (invoked through
3220         debug_hook); updates new fields in dw_fde_struct appropriately and
3221         increments separate_line_info_table_in_use.
3222         (dwarf2_debug_hooks): Initialize switch_text_section function to be
3223         dwarf2out_switch_text_section.
3224         (struct var_loc_node): Add new field, section_label.
3225         (output_aranges): Add code to check whether in hot or cold section and
3226         use the appropriate label in calculating deltas.
3227         (output_ranges): Likewise.
3228         (output_line_info): Add code to check which section we're in and
3229         use appropriate hot/cold label.
3230         (add_location_or_constant_value_attribute): Likewise.
3231         (gen_subprogam_die): Modify arange attributes to use correct labels.
3232         (dwarf2out_begin_block): Change call to function_section into call to
3233         current_function_section.
3234         (dwarf2out_end_block): Likewise.
3235         (dwarf2out_source_line): Likewise.
3236         (dwarf2out_var_location): Add code to check whether in hot or cold
3237         section and use the appropriate label.
3238         * except.c (output_function_exception_table): Change call to
3239         function_section into call to current_function_section.
3240         * final.c (profile_function): Likewise.
3241         (scan_ahead_for_unlikely_executed_note): Remove function.
3242         (final_scan_insn):  Remove calls to
3243         scan_ahead_for_unlikely_executed_note, and related code for switching
3244         to cold section, except for the single time
3245         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
3246         debug_hooks->switch_text_sections; replace appropriate calls to
3247         function_section with calls to current_function_section.
3248         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
3249         test_bb to condition.
3250         (find_if_case_2): Likewise.
3251         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3252         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
3253         * opts.c (decode_options): Change warning about hot/cold partitioning
3254         with exceptionss to inform (so as not to cause bootstrap failures);
3255         remove warning about partitioning with DWARF debug info.
3256         * output.h (current_function_section): Add new function decl.
3257         (insert_section_boundary_note): Likewise.
3258         (enum in_section): Move this declaration here from varasm.c.
3259         (unlikely_section_label): Likewise.
3260         (unlikely_text_section_name): Likewise.
3261         (last_text_section_name): New global variable.
3262         (last_text_section): Likewise.
3263         (hot_section_label): Likewise.
3264         (hot_section_end_label): Likewise.
3265         (cold_section_end_label): Likewise.
3266         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
3267         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
3268         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
3269         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
3270         insn from consideration.
3271         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
3272         switch_text_section.
3273         * varasm.c (basic-block.h): Add new include.
3274         (unlikely_section_label_printed): Remove global variable.
3275         (unlikely_section_label): Make global variable not be static any more.
3276         (unlikely_text_section_name): Likewise.
3277         (hot_section_end_label): New global variable (not static)
3278         (first_function_block_is_cold): Likewise.
3279         (hot_section_label): Likewise.
3280         (cold_section_end_label): Likewise..
3281         (last_text_section): New global variable, not static.
3282         (last_text_section_name): New global variable, not static.
3283         (initialize_cold_section_name): New function.
3284         (enum in_section): Move declaration to output.h.
3285         (text_section): Update last_text_section.
3286         (unlikely_text_section): Replace code to determine cold section name
3287         with call to initialize_cold_section_name; Add code to update
3288         last_text_section; remove code for printing out label.
3289         (named_section_real): Add code to update last_text_section and
3290         last_text_section_name as appropriate.
3291         (function_section): Change test for 'unlikely' to depend on
3292         first_function_block_is_cold (moved old test to
3293         current_function_section).
3294         (current_function_section): New function.
3295         (assemble_start_function): Move code that frees
3296         unlikely_text_section_name; initialize hot_section_end_label;
3297         print hot and cold section labels at the start of the function;
3298         set first_function_block_is_cold, if appropriate; initialize l
3299         ast_text_section; add call to insert_section_boundary_note.
3300         (assemble_end_function):  Add code to write out hot and cold section
3301         end labels.
3302         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
3303         switch_text_section.
3304         * config/darwin.c (machopic_select_section): Replace incorrect
3305         function in base_funs; update reloc for cold sections if necessary.
3306         * config/darwin.h (SECTION_FUNCTION):  Add code to update
3307         last_text_section if appropriate.
3308         (text_unlikely_section): Remove.
3309         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
3310         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
3311         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
3312         partitioning for this architecture.
3313
3314 2005-03-31  Olivier Hainque  <hainque@adacore.com>
3315
3316         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
3317         defined and non-zero.
3318
3319 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3320
3321         PR c++/18644
3322         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
3323         semantics.
3324
3325 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3326
3327         PR target/20611
3328         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
3329         label operand.  Remove (use (unspec..)).  Don't emit a label on
3330         the offset word.
3331         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
3332         generate inline label for load_toc_v4_PIC_1b.
3333         (rs6000_emit_load_toc_table): Likewise.
3334
3335 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3336
3337         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
3338         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
3339
3340 2005-03-29  Devang Patel  <dpatel@apple.com>
3341
3342         * tree-sra.c (decide_block_copy): Disable scalarization of
3343         sub-elements.
3344
3345 2005-03-30  Stuart Hastings  <stuart@apple.com>
3346             Dale Johannesen  <dalej@apple.com>
3347
3348         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
3349         * print-tree.c (print_node):  Add case STATEMENT_LIST.
3350
3351 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3352
3353         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
3354         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
3355         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
3356         is given with "powerpc64*" or "all", or when --with-cpu chooses
3357         a 64-bit cpu.
3358
3359 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
3360
3361         PR debug/20268
3362         * dwarf2out.c (add_high_low_attributes): New function, extracted from
3363         gen_lexical_block_die.
3364         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
3365
3366 2005-03-31  Jan Hubicka  <jh@suse.cz>
3367
3368         2004-11-02  Jan Hubicka  <jh@suse.cz>
3369
3370         * cgraph.c (cgraph_varpool_node_name): New function.
3371         (dump_cgraph_varpool_node): New function.
3372         (dump_varpool): New function.
3373         * cgraphunit.c (cgraph_optimize): Dump varpool.
3374
3375         2004-10-16  Jan Hubicka  <jh@suse.cz>
3376
3377         * cgraph.c (decide_is_variable_needed): New function.
3378         (cgraph_varpool_finalize_decl): Use it.
3379         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
3380         unit-at-a-time.
3381         * final.c (output_addr_const): Do not call mark_referenced.
3382         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
3383         always go via cgraph.
3384         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3385         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3386         * tree-optimize.c (execute_inline): Mark functions called.
3387         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3388
3389         2004-10-11  Jan Hubicka  <jh@suse.cz>
3390
3391         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3392         (cgraph_varpool_last_needed_node): New static variable.
3393         (enqueue_needed_varpool_node): Break out from ...; add items to the
3394         end of queue; update first pointers.
3395         (cgraph_varpool_mark_needed_node): ... here.
3396         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3397         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3398         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3399         (cgraph_varpool_first_unanalyzed_node): Declare.
3400         * cgraphunit.c: Include output.h.
3401         (cgraph_varpool_analyze_pending_decls): New function.
3402         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3403         for errors, analyze pending decls.
3404         (cgraph_finalize_compilation_unit): Only analyze decls.
3405         (cgraph_optimize): Assemble the decls after expanding.
3406
3407 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3408
3409         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3410         subvars get marked properly in tags for grouping.
3411         (add_pointed_to_var): Mark only actual pointed to
3412         variables/subvars in addresses needed.
3413         (create_overlap_variables_for): Clear call clobbered on original
3414         variable.
3415         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3416         addresable vars with subvars into list.
3417         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3418         subvar should be.
3419
3420 2005-03-30  Richard Henderson  <rth@redhat.com>
3421
3422         * cgraph.h (struct cgraph_node): Add alias.
3423         * varasm.c (assemble_alias): Set it.
3424         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3425         avoid calling cgraph_expand_function.
3426
3427 2005-03-30  Tom Tromey  <tromey@redhat.com>
3428
3429         * tree.def (FILE_TYPE): Removed.
3430         * typeclass.h (enum type_class): Removed file_type_class.
3431         * dwarf2out.c (is_base_type): Updated.
3432         (gen_type_die): Likewise.
3433         * dbxout.c (dbxout_type): Updated.
3434         * builtins.c (type_to_class): Updated.
3435         * tree.c (type_contains_placeholder_1): Updated.
3436         * config/sparc/sparc.c (sparc_type_code): Updated.
3437         * config/ia64/ia64.c (hfa_element_mode): Updated.
3438         * expr.c (count_type_elements): Updated.
3439         * stor-layout.c (layout_type): Updated.
3440         * tree-inline.c (remap_type): Updated.
3441         * tree-pretty-print.c (dump_generic_node): Updated.
3442
3443 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3444
3445         * builtins.c (expand_builtin_powi): Fix mode of
3446         2nd argument to match int.
3447         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3448         2nd argument type to int.
3449         * libgcc2.c: Change prototype of __powi* functions to use
3450         int.
3451
3452 2005-03-30  Dale Johannesen  <dalej@apple.com>
3453
3454         PR middle-end/19225
3455         * calls.c (expand_call):  Flush pending deferrals before
3456         throwing call.
3457
3458 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3459
3460         PR c/772
3461         PR c/17913
3462         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3463         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3464         c_label_context, label_context_stack): New.
3465         * c-decl.c (define_label): Check for jumps into statement
3466         expressions.  Add label to list of defined labels.
3467         (start_function): Push context on label_context_stack.
3468         (finish_function): Pop context from label_context_stack.
3469         * c-typeck.c (label_context_stack): New.
3470         (c_finish_goto_label): Check for jumps into statement
3471         expressions.  Add label to list of jumped to labels.
3472         (struct c_switch): Add blocked_stmt_expr.
3473         (c_start_case): Initialize it.
3474         (do_case): Check it.
3475         (c_finish_case): Verify !blocked_stmt_expr.
3476         (c_begin_stmt_expr):  Push context on label_context_stack.
3477         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3478         as undefinable.
3479         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3480         defined in the statement expression and no longer jumpable to.
3481         Mark labels jumped to from just outside the statement expression
3482         as again definable.  Pop context from label_context_stack.
3483         * doc/extend.texi (Statement Exprs): Update.
3484
3485 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3486
3487         PR c/20368
3488         * c-decl.c (start_function): Check for old_decl being
3489         error_mark_node.
3490
3491 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3492
3493         * final.c (final): Remove prescan parameter.  Change all callers.
3494         (final_scan_insn): Remove prescan parameter.  Change all callers.
3495
3496 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3497
3498         * tree-vectorizer.c: Fix comment typos.
3499
3500 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3501
3502         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3503         as soon as a chrec_dont_know is detected.
3504
3505 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3506
3507         Merge from csl-arm-branch.
3508         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3509
3510         * tlink.c (recompile_files): Do not assume that "rename" can
3511         overwrite an existing file.
3512
3513 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3514
3515         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3516         * gcc/configure: Regenerate.
3517
3518 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3519
3520         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3521
3522         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3523
3524         * calls.c (struct arg_data): Update "partial" comment.
3525         (load_register_parameters): Update "nregs" comment.
3526
3527 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3528
3529         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3530         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3531         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3532         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3533         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3534         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3535         than target_flags & 0.
3536         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3537         (iq2000_arch, iq2000_parse_cpu): Delete.
3538         (TARGET_HANDLE_OPTION): Override default.
3539         (iq2000_handle_option): New function.
3540         (override_options): Remove -march= and -mcpu= handling.
3541         * config/iq2000/iq2000.opt: New file.
3542
3543 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3544
3545         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3546         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3547         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3548         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3549         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3550         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3551         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3552         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3553         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3554         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3555         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3556         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3557         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3558         (TARGET_OPTIONS): Delete.
3559         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3560         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3561         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3562         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3563         (c4x_cpu_version_string): Delete.
3564         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3565         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3566         equivalent -mcpu= option.
3567         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3568         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3569         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3570         or clearing the appropriate MASK_* bit.
3571         (c4x_file_start): Use c4x_cpu_version.
3572         * config/c4x/c4x.opt: New file.
3573
3574 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3575
3576         * doc/options.texi: Document the new MaskExists flag.
3577         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3578         if the option has the MaskExists flag.
3579
3580 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3581
3582         * opt-functions.awk (flag_set_p, test_flag): New functions.
3583         (switch_flags): Use them.
3584         * opth-gen.awk: Use flag_set_p to check for flags.
3585         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3586
3587 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3588
3589         * config.host (i[34567]86-*-mingw32*): Don't set
3590         host_can_use_collect2 to no.
3591
3592 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3593
3594         PR target/20203
3595         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3596         Remove convert_memory_address call duplicating that in memory_address.
3597
3598 2005-03-29  Richard Henderson  <rth@redhat.com>
3599
3600         PR c/20519
3601         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3602         (build_compound_literal): Likewise.  Propagate decl type into the
3603         initializer.
3604         (finish_decl): Likewise.  Use new return value from complete_array_type
3605         for zero sized arrays.
3606         (complete_array_type): Move ...
3607         * c-common.c (complete_array_type): ... here.  Change first argument
3608         to pointer-to-type-node.  Consistently use sizetype for the index
3609         except for zero sized arrays.  Detect zero sized arrays for pedantic
3610         mode diagnostics.  Create a new type node instead of modifying the
3611         old node in place.
3612         * c-tree.h (complete_array_type): Move decl ...
3613         * c-common.h (complete_array_type): ... here.
3614
3615 2005-03-29  Richard Henderson  <rth@redhat.com>
3616
3617         PR tree-opt/19108
3618         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3619
3620 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3621
3622         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3623         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3624         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3625         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3626
3627 2005-03-29  Eric Christopher  <echristo@redhat.com>
3628
3629         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3630         truthvalue conversion removal.
3631
3632 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3633
3634         PR bootstrap/14316
3635         * collect2.c: Never include <vfork.h>.
3636         (VFORK_STRING, vfork): Don't define.
3637         (pid): Remove global variable.
3638         (handler): Call raise instead of kill (getpid(), ...).
3639         (collect_wait): Add pex parameter.  Change all callers.  Use
3640         pex_get_status rather than pwait.
3641         (do_wait): Add pex parameter.  Change all callers.
3642         (collect_execute): Return struct pex_obj * rather than void.  Use
3643         pex routines rather than pexecute.
3644         (fork_execute): Get pex_obj from collect_execute, and pass it to
3645         do_wait.
3646         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3647         Only declare quit_handler if SIGQUIT is defined.
3648         (scan_libraries): Likewise.
3649         * collect2.h (collect_execute): Update declaration.
3650         (collect_wait): Update declaration.
3651         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3652         pass it to collect_wait.
3653
3654 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3655
3656         PR c/20672
3657         * c-parser.c (c_parser_compound_statement_nostart): Give error
3658         message for EOF instead of just setting parser->error.
3659
3660 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3661
3662         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3663         (slpeel_update_phi_nodes_for_guard1): New function.
3664         (slpeel_update_phi_nodes_for_guard2): New function.
3665         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3666         of slpeel_update_phi_nodes_for_guard.
3667         (vectorize_loops): Remove call to loop_closed_rewrite.
3668         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3669         assertion.
3670
3671 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3672
3673         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3674         (TARGET_LITTLE_ENDIAN): New macro.
3675         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3676         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3677         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3678         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3679         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3680         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3681         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3682         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3683         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3684         (TARGET_OPTIONS): Delete.
3685         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3686         (CACHE_FLUSH_TRAP): Turn into an integer.
3687         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3688         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3689         -mflush-trap is in use.
3690         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3691         (m32r_cache_flush_trap_string): Delete.
3692         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3693         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3694         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3695         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3696         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3697         -mmodel= and -msdata= handling from...
3698         (m32r_init): ...here.
3699         * config/m32r/m32r.opt: New file.
3700
3701 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3702
3703         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3704         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3705         * tree-vect-analyze.c (vect_object_analysis): additional parm
3706         pass back a "struct ptr_info_def *" with the points-to info.
3707         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3708         statement using info returned from vect_object_analysis.
3709         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3710         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3711         for virtual uses and defs when creating a replacement vector
3712         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3713         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3714         (vectorizable_store): copy_virtual_operands and update
3715         definition statements.
3716         (vectorizable_load): copy_virtual_operands.  Remove call to
3717         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3718         * tree-vectorizer.c (vectorize_loops): Remove calls to
3719         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3720         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3721         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3722         define macro STMT_VINFO_PTR_INFO for use in accessing.
3723         * tree.h add export of duplicate_ssa_name_ptr_info.
3724         * rs6000.c (altivec_init_builtins): Declare builtin function
3725         __builtin_altivec_mask_for_load to be "const".
3726
3727 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3728
3729         PR middle-end/20622
3730         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3731         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3732         assemble_variable on aliases.
3733         * varasm.c (assemble_alias): Set node->alias.
3734         * toplev.c (wrapup_global_declarations): Don't call
3735         rest_of_decl_compilation on aliases again.
3736
3737 2005-03-29  Paul Brook  <paul@codesourcery.com>
3738
3739         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3740         * config/arm/arm.c (arm_dbx_register_number): New function.
3741         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3742
3743 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3744
3745         PR middle-end/20263
3746         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3747         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3748
3749 2005-03-29  Dale Johannesen <dalej@apple.com>
3750
3751         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3752         $(TREE_H) and $(COVERAGE_H).
3753         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3754         * opts.c (common_handle_option): Enable tree-based value transforms.
3755         * toplev.c (process_options): Ditto.
3756         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3757         refers to references to this type.
3758         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3759         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3760         for may_be_more, may_be_less.
3761         (rtl_gen_pow2_profiler): Adjust.
3762         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3763         (rtl_gen_one_value_profiler): Adjust.
3764         (rtl_gen_const_delta_profiler): Adjust.
3765         * tree-profile.c (tree_gen_interval_profiler): Implement.
3766         (tree_gen_pow2_profiler): Ditto.
3767         (tree_gen_one_value_profiler): Ditto.
3768         (tree_profiling): New.
3769         (pass_tree_profile): Reference it.
3770         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3771         tree.h, gcov-io.h.
3772         (insn_divmod_values_to_profile): Rename to
3773         rtl_divmod_values_to_profile. Adjust.
3774         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3775         (insn_prefetch_values_to_profile): Adjust.
3776         (rtl_value_profile_transformations): Adjust.
3777         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3778         (gen_mod_pow2): Rename to rtl_mod_pow2.
3779         (gen_mod_subtract): Rename to rtl_mod_subtract.
3780         (divmod_fixed_value_transform): Rename to
3781         rtl_divmod_fixed_value_transform.
3782         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3783         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3784         (rtl_find_values_to_profile): Adjust.
3785         (tree_value_profile_transformations): Implement.
3786         (tree_divmod_values_to_profile): New.
3787         (tree_values_to_profile): New.
3788         (tree_divmod_fixed_value): New.
3789         (tree_mod_pow2): New.
3790         (tree_mod_subtract): New.
3791         (tree_divmod_fixed_value_transform): New.
3792         (tree_mod_pow2_value_transform): New.
3793         (tree_mod_subtract_transform): New.
3794         (tree_find_values_to_profile): Implement.
3795         * profile.c (instrument_values):  Free histograms.
3796         (compute_value_histograms): Adjust. Implement tree version.
3797
3798 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3799
3800         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3801         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3802         variable.  Output "fldcw" depending on round_mode.
3803         * config/i386/i386.md (UNSPEC_FIST): New.
3804         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3805         New isns patterns to implement lrint and llrint built-ins as x87
3806         intrinsic function.
3807         (fistdi2, fist<mode>2 splitters): New splitters.
3808         (lrint<mode>2): New expanders.
3809
3810 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3811
3812         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3813         0 when calling final_scan_insn.
3814
3815 2005-03-28  Jan Hubicka  <jh@suse.cz>
3816
3817         PR middle-end/20635
3818         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3819         as needed.
3820
3821         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3822         types where possible.
3823
3824 2005-03-26  Per Bothner  <per@bothner.com>
3825
3826         Make -f[no-]show-column also control non-cpp diagnostics.
3827         * c.opt (fshow-column): Move option from here ...
3828         * common.opt (fshow-column): ... to here.
3829         * diagnostic.c (diagnostic_build_prefix): Only print column number
3830         if flag_show_column.
3831
3832 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3833
3834         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3835         vax_output_conditional_branch): New prototypes.
3836         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3837         extracted from vax.md mov and add patterns.
3838         (vax_output_conditional_branch): New function to output conditional
3839         branch instructions.
3840         * vax.md: Use mode macros for arithmetic and mov patterns.
3841         Use code macros for the jump patterns.
3842
3843 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3844
3845         * Makefile.in (libbackend.o): Depend on version files;
3846         add custom generation command.
3847
3848 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3849
3850         PR target/20636
3851         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3852         sure that we have a REG before getting its REGNO.
3853
3854 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3855
3856         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3857         * builtins.def (BUILT_IN_STRNDUP): New.
3858
3859 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3860
3861         PR tree-optimization/20470
3862         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3863         ABS(x-y).
3864
3865 2005-03-25  Mike Stump  <mrs@apple.com>
3866
3867         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3868         sized objects.
3869
3870 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3871
3872         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3873         Use our own structure definitions.
3874
3875         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3876         (fix_truncdfsi2): Allow registers or memory as destination.
3877         When TARGET_PPC_GFXOPT, generate simplified pattern.
3878         (fix_truncdfsi2_internal): Use define_insn_and_split.
3879         (fix_truncdfsi2_internal_gfxopt): New.
3880         (fctiwz): Don't confuse register allocation by giving it no choices.
3881         (stfiwx): New.
3882         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3883         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3884         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3885         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3886
3887 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3888
3889         * dominance.c (free_dominance_info): Speed up by freeing et
3890         data structures without maintaining other nodes.
3891         * et-forest.c (et_free_tree_force): New.
3892         * et-forest.h: Add a prototype for et_free_tree_force.
3893
3894         * tree.c (get_set_constructor_bits,
3895         get_set_constructor_bytes): Remove.
3896         * tree.h: Remove the corresponding prototypes.
3897
3898 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3899
3900         PR target/15491
3901         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3902         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3903         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3904         PRE_DEC, NEG and NOT.
3905
3906 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3907
3908         * fold-const.c: Convert uses of fold (build (...)) to
3909         fold_buildN.
3910
3911 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
3912
3913         PR rtl-optimization/20249
3914         * cse.c (insert_regs): Do not record equivalence of registers in
3915         different modes.
3916
3917 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
3918
3919         * emit-rtl.c (reverse_comparison): Remove.
3920         * rtl.h: Remove the corresponding prototype.
3921
3922 2005-03-24  James E Wilson  <wilson@specifixinc.com>
3923
3924         * doc/install.texi (--enable-altivec): Delete docs.
3925
3926 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
3927
3928         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
3929         SFmode and DFmode before reload when
3930         flag_unsafe_math_optimizations not enabled.
3931
3932 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
3933
3934         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
3935
3936         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
3937         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
3938
3939 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3940
3941         * configure.ac (enable-checking): Add 'runtime' option.
3942         * doc/install.texi (enable-checking): Document 'runtime' checking.
3943         * tsystem.h (gcc_assert, gcc_unreachable): Define.
3944         * config.in: Regenerated.
3945         * configure: Regenerated.
3946
3947 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
3948
3949         * optabs.h (enum optab_index): Remove OTI_llrint.
3950         (llrint_optab): Remove macro.
3951         * optabs.c (init_optabs): Remove llrint_optab initialization.
3952         * genopinit.c (optabs): Remove llrint_optab implementation.
3953         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
3954         using lrint_optab.
3955
3956 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
3957
3958         PR rtl-optimization/20532
3959         * simplify-rtx.c (simplify_binary_operation_1): Protect from
3960         overflow when adding coefficients for PLUS or MINUS.
3961         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
3962         two as multiplier.
3963
3964 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3965
3966         * langhooks.h (truthvalue_conversion): Remove.
3967         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3968         LANG_HOOKS_TRUTHVALUE_CONVERSION.
3969         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
3970         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
3971         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
3972
3973 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
3974
3975         * params.def: Fix a typo.
3976         * config/mips/mips.c: Follow the spelling convensions.
3977         * doc/invoke.texi: Fix typos.
3978
3979 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
3980
3981         Fix PR tree-optimization/20601
3982
3983         * tree-ssa-pre.c (insert_aux): Add missing condition to
3984         constification.
3985
3986 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3987
3988         * final.c (final_scan_insn): Don't remove no-op instructions.
3989         * reload1.c (reload): Remove simple no-op instructions even when
3990         not optimizing.
3991
3992 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
3993
3994         PR tree-optimization/20501
3995         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
3996         reporting that peeling for alignment is applied moved to...
3997         * (vect_analyze_data_refs_alignment): Here.
3998
3999 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4000
4001         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4002
4003 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4004
4005         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4006         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4007
4008 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
4009
4010         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4011         imply that this is called once, independent of asms in code.
4012         Adjust to now being pased output and input lists.  Mention helper
4013         function decl_overlaps_hard_reg_set_p.
4014         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4015         hook_tree_tree_identity and to take three trees, returning third.
4016         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4017         prototype.
4018         * stmt.c: include hard-reg-set.h before tree.h.
4019         (decl_overlaps_hard_reg_set_p): New function, broken out from...
4020         (decl_conflicts_with_clobbers_p): Call
4021         decl_overlaps_hard_reg_set_p.
4022         (expand_asm_operands): Pass output and input lists in call to
4023         targetm.md_asm_clobbers.
4024         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4025         hook_tree_tree_tree_tree_3rd_identity.
4026         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4027         parameters.
4028         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4029         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4030         parameters, first two unused.
4031         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4032         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
4033         in constraint letters and MOF is not mentioned as a asm-declared
4034         register in neither of the input and output lists.
4035
4036 2005-03-23  DJ Delorie  <dj@redhat.com>
4037
4038         * optabs.c (expand_binop): Make sure the first subword's result
4039         gets stored.
4040
4041 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4042
4043         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4044         Call c_common_truthvalue_conversion rather than
4045         lang_hooks.truthvalue_conversion.
4046         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4047         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4048         c-typeck.c.
4049         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4050         c_common_truthvalue_conversion.
4051         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4052         c_parser_conditional_expression, c_parser_binary_expression): Call
4053         c_objc_common_truthvalue_conversion.
4054         * c-typeck.c (build_unary_op): Call
4055         c_objc_common_truthvalue_conversion.
4056         (build_conditional_expr): Do not call
4057         lang_hooks.truthvalue_conversion.
4058         (build_binary_op): Call c_common_truthvalue_conversion.
4059         (c_objc_common_truthvalue_conversion): Moved from
4060         c-objc-common.c.  Call default_function_array_conversion instead
4061         of default_conversion.
4062
4063 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4064
4065         * c-common.h (default_conversion): Remove.
4066         (perform_integral_promotions): Add.
4067         * c-tree.h (default_conversion): Add.
4068         * c-typeck.c (perform_integral_promotions): New, split out from
4069         default_conversion.
4070         * c-common.c (check_case_value): Use perform_integral_promotions,
4071         not default_conversion.
4072         (c_add_case_label): Don't continue processing case label after
4073         found to be pointer.
4074
4075 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
4076
4077         * gcc.c (do_spec_1): Do not add a -L path for a directory in
4078         the prefix list if we have already added a multilib directory
4079         based on that path.
4080         (main): Do not add MD_EXEC_PREFIX to the list of directories to
4081         search with -L.
4082
4083 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4084
4085         * reload1.c (indirect_symref_ok, reload_obstack): Make them
4086         static.
4087         * reload.h: Remove the prototype for indirect_symref_ok.
4088
4089         * reload1.c (indirect_symref_ok): Make it global.
4090         * reload.h: Add a prototype for indirect_symref_ok.
4091
4092 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4093
4094         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4095         ashlhi3 expander.
4096
4097 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4098
4099         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
4100
4101 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
4102
4103         * c-opts.c (c_common_parse_file): Only start/end main source file
4104         if debug hooks says the writer wants it.
4105         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
4106         member.
4107         (xcoff_debug_hooks): Ditto.
4108         * debug.c (do_nothing_hooks): Ditto.
4109         * debug.h (gcc_debug_hooks): Ditto.
4110         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
4111         * sdbout.c (sdb_debug_hooks): Ditto.
4112         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
4113
4114 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
4115
4116         * doc/extend.texi: Deprecate C++ min/max operators.
4117
4118 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
4119
4120         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
4121         artificial original candidates.
4122
4123 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
4124             Jan Hubicka  <jh@suse.cz>
4125             Steven Bosscher <stevenb@suse.de>
4126
4127         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
4128         call cost based on argument sizes.
4129         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
4130         inlining.
4131         * params.def: (max-inline-inssn-single): Set to 450.
4132         (max-inline-insns-auto): Set to 90.
4133         (max-inline-insns-recursive): Set to 450
4134         (max-inline-insns-recursive-auto): Set to 450.
4135         (large-function-insns): Set to 2700.
4136         (inline-call-cost): New parameter.
4137         * tree-inline.c (estimate_move_cost): New function.
4138         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
4139         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
4140         based on arguments.
4141         * tree-inline.h (estimate_move_cost): Declare.
4142         * invoke.texi: (max-inline-inssn-single): Change default to 450.
4143         (max-inline-insns-auto): Change default to 90.
4144         (max-inline-insns-recursive): Change default to 450
4145         (max-inline-insns-recursive-auto): Change default to 450.
4146         (large-function-insns): Change default to 2700.
4147         (inline-call-cost): Document new parameter.
4148
4149 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4150
4151         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
4152         (TARGET_DEFAULT): Delete.
4153         * config/i860/i860.opt: New file.
4154
4155 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4156
4157         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
4158         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4159         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4160         (frv_sched_lookahead): Delete.
4161         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
4162         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
4163         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
4164         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
4165         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
4166         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
4167         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
4168         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
4169         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
4170         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
4171         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
4172         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
4173         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
4174         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
4175         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
4176         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
4177         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
4178         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
4179         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
4180         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
4181         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
4182         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
4183         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
4184         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4185         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4186         (frv_sched_lookahead): Delete.
4187         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
4188         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4189         (frv_handle_option): New function.  Move -mcpu= handling from...
4190         (frv_override_options): ...here.  Remove handling of other
4191         TARGET_OPTIONS.
4192         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
4193         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
4194         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
4195         and TARGET_NO_MULTI_CE.
4196         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
4197         !TARGET_VLIW_BRANCH.
4198         * config/frv/frv.opt: New file.
4199
4200 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4201
4202         * fold-const.c (fold_ternary): Take decomposed arguments of
4203         CALL_EXPR.
4204         (fold): Update a call to fold_ternary.
4205
4206         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
4207         * tree.h: Add corresponding prototypes.
4208
4209 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
4210
4211         PR target/20561
4212         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
4213         between jump table and its label.
4214         * final.c (shorten_branches): Handle notes in between ADDR_VEC
4215         resp. ADDR_DIFF_VEC and the label preceeding it.
4216         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
4217         is emitted in the right section.
4218
4219 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4220
4221         * fold-const.c (fold_unary, fold_binary): Update comments
4222         about arguments.
4223
4224 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
4225
4226         PR rtl-optimization/20527
4227         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
4228         REG_INC note, test that the register also isn't mentioned in PRED
4229         or SUCC.
4230
4231 2005-03-22  Ben Elliston  <bje@au.ibm.com>
4232
4233         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
4234         and definition.
4235
4236 2005-03-21  Mike Stump  <mrs@apple.com>
4237
4238         * varasm.c (default_assemble_visibility): Remove extra ().
4239
4240 2005-03-21  Roger Sayle  <roger@eyesopen.com>
4241
4242         PR middle-end/20557
4243         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
4244         to determine whether a block can be duplicated, rather than test
4245         whether the block contains noncopyable insns ourselves.
4246
4247 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4248
4249         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
4250         predicates.
4251
4252 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4253
4254         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
4255
4256 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4257
4258         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
4259         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
4260         * config/fr30/fr30.opt: New file.
4261
4262 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
4263
4264         Fix PR tree-optimization/20542
4265
4266         * tree-flow-inline.h (overlap_subvar): Move to here.
4267         * tree-ssa-operands.c: From here.
4268         * tree-flow.h (overlap_subvar): Declare.
4269         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
4270         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
4271         for variables with subvars.
4272
4273 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
4274
4275         PR middle-end/20177
4276         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
4277         * modulo-sched.c (const_iteration_count): Return on NULL
4278         pre-header.
4279         (print_node_sched_params): Return on NULL dump_file.
4280         (generate_reg_moves): Handle reg-anti dependencies and disregard
4281         closing branch when generating register moves.
4282         (sms_schedule): Mark the SMSed block dirty.
4283         * passes.c (rest_of_handle_sms): Call update_life_info for all
4284         basic-blocks.
4285         * testsuite/gcc.dg/20050321-1.c: New test.
4286
4287 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4288
4289         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
4290         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4291         movqi_internal): Likewise.
4292
4293 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4294
4295         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4296         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
4297         xtensa_b4const): Delete prototypes.
4298         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
4299         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
4300         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
4301         xtensa_extra_constraint): New prototypes.
4302         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4303         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4304         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4305         move_operand, const_float_1_operand, fpmem_offset_operand,
4306         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
4307         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
4308         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
4309         argument type to HOST_WIDE_INT.
4310         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
4311         xtensa_mask_immediate): Likewise.
4312         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
4313         Likewise.  Also make these functions static.
4314         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
4315         (xtensa_const_ok_for_letter_p): New.
4316         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4317         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4318         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4319         move_operand, const_float_1_operand, fpmem_offset_operand,
4320         branch_operator, ubranch_operator, boolean_operator): Move to
4321         predicates.md.
4322         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
4323         (xtensa_mem_offset): Change return type to bool.
4324         (xtensa_extra_constraint): New.
4325         (gen_int_relational): Update type of const_range_p function pointer.
4326         Use xtensa_b4const_or_zero.
4327         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
4328         xtensa_const_ok_for_letter_p.  Update comments.
4329         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
4330         (PREDICATE_CODES): Delete.
4331         * config/xtensa/xtensa.md: Include predicates.md.
4332         * config/xtensa/predicates.md: New file.
4333
4334 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4335
4336         * config/v850/v850-protos.h: Remove the prototypes for
4337         reg_or_int9_operand, reg_or_const_operand,
4338         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
4339         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
4340         movsi_source_operand, power_of_two_operand,
4341         not_power_of_two_operand, special_symbolref_operand,
4342         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
4343         register_is_ok_for_epilogue.
4344         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
4345         reg_or_int9_operand, reg_or_const_operand,
4346         call_address_operand, special_symbolref_operand,
4347         movsi_source_operand, power_of_two_operand,
4348         not_power_of_two_operand, register_is_ok_for_epilogue,
4349         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
4350         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
4351         predicates.md.
4352         * config/v850/v850.h (PREDICATE_CODES): Remove.
4353         * config/v850/v850.md: Include predicates.md.
4354         * config/v850/predicates.md: New.
4355
4356 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
4357
4358         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
4359         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4360         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
4361         (itoolsdir, itoolsdatadir): Move definition above new first use.
4362         (install-itoolsdirs): New rule.
4363         (install-mkheaders): Depend on install-itoolsdirs, not
4364         install-include-dir.
4365
4366 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4367
4368         * tree-into-ssa.c: Remove obsolete comments.
4369
4370 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
4371
4372         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
4373         unrolling if -fpeel-loops is specified, too.
4374         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4375         Remove superfluous check for flag_unroll_loops.
4376
4377 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
4378
4379         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4380         (lrint_optab, llrint_optab): Define corresponding macros.
4381         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4382         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4383         pattern and llrint_optab using llrintdi2 patterns.
4384         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4385         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4386         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4387         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4388         flag_unsafe_math_optimizations is set.
4389
4390 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4391
4392         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4393         simplify_logical, if_then_else_cond, known_cond,
4394         simplify_comparison): Adjust calls to reverse_comparison.
4395         Don't use combine_reversed_comparison_code).
4396         (combine_reversed_comparison_code): Remove.
4397         (reversed_comparison): Using reversed_comparison_code, move it...
4398         * jump.c (reversed_comparison): ... here.
4399         * rtl.h (reversed_comparison): Add prototype.
4400
4401 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4402
4403         * builtins.c (fold_builtin): Take decomposed arguments of
4404         CALL_EXPR.
4405         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4406         * gimplify.c (gimplify_call_expr): Likewise.
4407         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4408         * tree.h: Update the prototype of fold_builtin.
4409
4410 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4411
4412         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4413         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4414         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4415         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4416         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4417
4418 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4419
4420         * builtins.c (fold_builtin_1): Take decomposed arguments of
4421         CALL_EXPR.
4422         (fold_builtin): Update a call to fold_builtin_1.
4423
4424 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4425
4426         PR other/20564
4427         * gcov.c (output_lines): Only output function block summary when
4428         outputting branch information.
4429         * doc/gcov.texi: Document format of preamble and additional block
4430         information lines.
4431
4432 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4433
4434         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4435         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4436         the defaults false if BITS_PER_UNIT != 8.
4437         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4438         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4439         than BITS_PER_UNIT != 8.
4440         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4441         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4442         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4443         #undefs.
4444         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4445         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4446
4447 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4448
4449         PR middle-end/20539
4450         * fold-const.c (fold_binary): Fix type mismatch between
4451         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4452         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4453         for non-truth-valued expressions.
4454
4455         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4456         and FUNCTION_DECL in the main switch.
4457         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4458         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4459         we also need to convert their operands to match.
4460         <TRUTH_NOT_EXPR>: Likewise.
4461
4462 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4463
4464         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4465         diagnostic without checking whether an lvalue.
4466         * c-common.h (lvalue_p): Remove.
4467         (enum lvalue_use): Update comment.
4468         (lvalue_or_else): Replace by lvalue_error.
4469         * c-typeck.c (lvalue_p): Make static.
4470         (lvalue_or_else): New.  Call lvalue_error.
4471
4472 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4473
4474         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4475         (function_arg_advance): Use rs6000_parm_start.
4476         (function_arg, rs6000_arg_partial_bytes): Likewise.
4477
4478 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4479
4480         * c-common.c (check_case_value): Adjust comment about stripping
4481         NOPs.
4482         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4483         * c-typeck.c (default_conversion, convert_arguments,
4484         build_modify_expr, convert_for_assignment, store_init_value,
4485         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4486         manually.  Remove inaccurate comments.
4487
4488 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4489             Joseph S. Myers  <joseph@codesourcery.com>
4490
4491         * varasm.c (do_assemble_alias): Restore comment describing function.
4492         Annotate the target parameter as potentially unused.
4493
4494 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4495
4496         PR target/18551
4497         * config/avr/avr.c (avr_output_function_prologue): Do not use
4498         current_function_name() in a label, use a local label instead.
4499
4500 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4501
4502         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4503         flag_finite_math_only, not flag_unsafe_math_optimizations.
4504
4505 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4506
4507         * builtins.c (fold_builtin_1): Update a call to
4508         targetm.fold_builtin.
4509         * hooks.c (hook_tree_tree_bool_null): Rename to
4510         hook_tree_tree_tree_bool_null.  Take one more argument of type
4511         tree.
4512         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4513         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4514         hook_tree_tree_tree_bool_null.
4515         * target.h (gcc_target): Update the prototype of fold_builtin.
4516         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4517         arguments of CALL_EXPR.
4518         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4519         new prototype.
4520
4521 2005-03-20  Jan Hubicka  <jh@suse.cz>
4522
4523         * cgraph.h (cgraph_node): Add prev_clone pointer.
4524         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4525         (cgraph_clone_node): Produce doubly linked chain.
4526
4527 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4528
4529         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4530         get_nonnull_operand, handle_sentinel_attribute,
4531         check_function_arguments_recurse): Do not strip NOPS from
4532         INTEGER_CSTs.
4533         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4534         Likewise.
4535         * c-format.c (get_constant): Likewise.
4536         * c-parser.c (c_parser_postfix_expression): Likewise.
4537         * c-typeck.c (set_init_index): Likewise.
4538         (convert_arguments): Don't check for NOP_EXPR containing integer
4539         constant.
4540
4541 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4542
4543         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4544         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4545         Take decomposed arguments of CALL_EXPR.
4546         (fold_builtin_1): Update calls to the functions mentioned
4547         above.
4548
4549 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4550
4551         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4552         width to have integer type.
4553         (build_enumerator): Require enumerator value to have integer type.
4554
4555 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4556
4557         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4558         to __builtin_inff.
4559
4560 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4561
4562         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4563         std=iso9899:199x): Correct descriptions.
4564
4565 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4566
4567         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4568         solaris2.1[0-9].
4569
4570 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4571
4572         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4573         of CALL_EXPR.
4574         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4575         fold_builtin_memcpy.
4576
4577         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4578         arguments of CALL_EXPR.
4579         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4580         fold_builtin_found, fold_builtin_1): Update calls to
4581         fold_trunc_transparent_mathfn.
4582
4583 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4584
4585         PR middle-end/20493
4586         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4587         function pointers on targets that require function pointer
4588         canonicalization.
4589         (fold_sign_changed_comparison): Likewise.
4590
4591 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4592
4593         * combine.c (try_combine): When changing the mode of a hard reg, make
4594         sure that doing so is valid.
4595
4596 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4597
4598         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4599         (TARGET_HANDLE_OPTION): Override default.
4600         (avr_handle_option): New function.
4601         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4602         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4603         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4604         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4605         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4606         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4607         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4608         (TARGET_OPTIONS): Delete.
4609         * config/avr/avr.opt: New file.
4610
4611 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4612
4613         * config/m32r/m32r-protos.h: Remove the prototypes for
4614         call_address_operand, symbolic_operand, seth_add3_operand,
4615         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4616         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4617         two_insn_const_operand, move_src_operand,
4618         move_double_src_operand, move_dest_operand,
4619         eqne_comparison_operator, signed_comparison_operator,
4620         large_insn_p, conditional_move_operand, carry_compare_operand,
4621         m32r_block_immediate_operand, extend_operand,
4622         reg_or_eq_int16_operand, int8_operand, and
4623         reg_or_zero_operand.
4624         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4625         seth_add3_operand, int8_operand, cmp_int16_operand,
4626         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4627         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4628         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4629         move_double_src_operand, move_dest_operand,
4630         eqne_comparison_operator, signed_comparison_operator,
4631         extend_operand, small_insn_p, large_insn_p,
4632         conditional_move_operand, carry_compare_operand,
4633         m32r_block_immediate_operand): Move to predicates.md.
4634         (MAX_MOVE_BYTES): Move to m32r.h.
4635         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4636         * config/m32r/m32r.md: Include predicates.md.
4637         * config/m32r/predicates.md: New.
4638
4639 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4640
4641         PR c++/19769
4642         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4643         origin.
4644
4645 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4646
4647         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4648         call_address_operand, const_8bit_operand.
4649         * config/mn10300/mn10300.c (call_address_operand,
4650         const_8bit_operand, const_1f_operand): Move to predicates.md.
4651         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4652         * config/mn10300/mn10300.md: Include predicates.md.
4653         * config/mn10300/predicates.md: New.
4654
4655 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4656
4657         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4658         declarations in diagnostics and %E for identifiers, not %s.
4659
4660 2005-03-18  Jan Hubicka  <jh@suse.cz>
4661             Dale Johannesen  <dalej@apple.com>
4662
4663         * basic-block.h (scale_bbs_frequencies_int,
4664         scale_bbs_frequencies_gcov_type): Declare.
4665         * cfg.c (RDIV): New macro.
4666         (update_bb_frequency_for_threading): Fix.
4667         * basic-block.h (scale_bbs_frequencies_int,
4668         scale_bbs_frequencies_gcov_type): New.
4669         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4670         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4671         scale_bbs_frequencies_int.
4672         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4673
4674 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4675
4676         * config/m32r/m32r-protos.h: Remove the prototypes for
4677         call_address_operand, symbolic_operand, seth_add3_operand,
4678         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4679         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4680         two_insn_const_operand, move_src_operand,
4681         move_double_src_operand, move_dest_operand,
4682         eqne_comparison_operator, signed_comparison_operator,
4683         large_insn_p, conditional_move_operand, carry_compare_operand,
4684         m32r_block_immediate_operand, extend_operand,
4685         reg_or_eq_int16_operand, int8_operand, and
4686         reg_or_zero_operand.
4687         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4688         seth_add3_operand, int8_operand, cmp_int16_operand,
4689         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4690         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4691         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4692         move_double_src_operand, move_dest_operand,
4693         eqne_comparison_operator, signed_comparison_operator,
4694         extend_operand, small_insn_p, large_insn_p,
4695         conditional_move_operand, carry_compare_operand,
4696         m32r_block_immediate_operand): Move to predicates.md.
4697         (MAX_MOVE_BYTES): Move to m32r.h.
4698         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4699         * config/m32r/m32r.md: Include predicates.md.
4700         * config/m32r/predicates.md: New.
4701
4702         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4703         shadd_constant_p.
4704         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4705         symbolic_operand, symbolic_memory_operand,
4706         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4707         indexed_memory_operand, move_dest_operand, move_src_operand,
4708         prefetch_cc_operand, prefetch_nocc_operand,
4709         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4710         arith_operand, arith11_operand, pre_cint_operand,
4711         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4712         ireg_operand, int5_operand, uint5_operand, int11_operand,
4713         uint32_operand, arith5_operand, and_operand, ior_operand,
4714         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4715         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4716         shadd_operand, movb_comparison_operator,
4717         cmpib_comparison_operator): Move to predicates.md.
4718         (magic_milli, shadd_constant_p): Make it extern.
4719         * config/pa/pa.h (PREDICATE_CODES): Remove.
4720         * config/pa/pa.md: Include predicates.md.
4721         * config/pa/predicates.md: New.
4722
4723         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4724         predicate.
4725
4726 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4727
4728         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4729         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4730         config/alpha/freebsd.h, config/alpha/linux.h,
4731         config/alpha/netbsd.h, config/alpha/osf5.h,
4732         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4733         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4734         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4735         doc/cppopts.texi: Update copyright.
4736
4737 2005-03-18  Jan Hubicka  <jh@suse.cz>
4738
4739         PR middle-end/20225
4740         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4741         too late.
4742         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4743         called too late.
4744
4745 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4746
4747         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4748         VEC_safe_push.
4749
4750 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4751
4752         * combine.c (gen_binary): Remove.
4753         (known_cond, simplify_shift_const, find_split_point,
4754         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4755         simplify_logical, expand_field_assignment, extract_left_shift,
4756         force_to_mode, if_then_else_cond, apply_distributive_law,
4757         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4758         simplify_comparison, reversed_comparison): Replace with
4759         simplify_gen_binary, simplify_gen_relational or
4760         distribute_and_simplify_rtx.
4761         (distribute_and_simplify_rtx): New function.
4762
4763 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4764             Paolo Bonzini  <gcc.gnu.org>
4765
4766         * calls.c (setjmp_call_p, special_function_p): Update comments
4767         at the head of the functions.
4768
4769 2005-03-18  Jan Hubicka  <jh@suse.cz>
4770
4771         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4772
4773         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4774         function body should be released; do not proactively release function
4775         bodies in non-unit-at-a-time mode.
4776
4777 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4778
4779         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4780         mno-fp-ret-in-387 multilib variants.
4781
4782 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4783
4784         * common.opt (m): Remove.
4785         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4786         table lookup fails.
4787         (common_handle_option): Remove OPT_m case.
4788
4789 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4790
4791         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4792         of CALL_EXPR.
4793         (fold_builtin_1): Update a call to fold_builtin_bitop.
4794
4795         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4796         of CALL_EXPR.
4797         (fold_builtin_1): Update a call to fold_builtin_signbit.
4798
4799 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4800
4801         PR tree-optimization/20474
4802         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4803         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4804
4805 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4806
4807         * config/h8300/h8300-protos.h: Remove prototypes for
4808         general_operand_src, general_operand_dst, single_one_operand,
4809         single_zero_operand, call_insn_operand,
4810         two_insn_adds_subs_operand, small_call_insn_operand,
4811         jump_address_operand, bit_operand, bit_memory_operand,
4812         stack_pointer_operand, const_int_gt_2_operand,
4813         const_int_ge_8_operand, const_int_qi_operand,
4814         const_int_hi_operand, incdec_operand, bit_operator,
4815         nshift_operator, eqne_operator, gtle_operator,
4816         gtuleu_operator, iorxor_operator.
4817         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4818         h8300_ldm_stm_parallel.
4819         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4820         h8300-protos.h.
4821         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4822         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4823         (h8300_ldm_stm_parallel): Make it extern.
4824         (h8300_ldm_parallel, h8300_stm_parallel,
4825         h8300_return_parallel, general_operand_src,
4826         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4827         nibble_operand, reg_or_nibble_operand, single_one_operand,
4828         single_zero_operand, call_insn_operand,
4829         two_insn_adds_subs_operand, small_call_insn_operand,
4830         jump_address_operand, bit_operand, bit_memory_operand,
4831         stack_pointer_operand, const_int_gt_2_operand,
4832         const_int_ge_8_operand, const_int_qi_operand,
4833         const_int_hi_operand, incdec_operand, eqne_operator,
4834         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4835         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4836         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4837         nshift_operator): Move to predicates.md.
4838         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4839         * config/h8300/h8300.md: Include predicates.md.
4840         * config/h8300/predicates.md: New.
4841
4842 2005-03-17  Richard Henderson  <rth@redhat.com>
4843
4844         * config.gcc (ia64*-*-hpux*): Add extra_options.
4845         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4846         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4847         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4848         (ia64_tls_size_string, ia64_tune_string): Remove.
4849         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4850         (TARGET_DEFAULT_TARGET_FLAGS): New.
4851         (TARGET_HANDLE_OPTION): New.
4852         (ia64_override_options): Move options parsing ...
4853         (ia64_handle_option): ... here.  New.
4854         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4855         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4856         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4857         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4858         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4859         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4860         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4861         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4862         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4863         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4864         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4865         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4866         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4867         TARGET_EARLY_STOP_BITS): Remove.
4868         (TARGET_ILP32): Default false.
4869         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4870         (enum ia64_inline_type): New.
4871         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4872         * config/ia64/ia64.md: Update for new definitions of
4873         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4874         * config/ia64/ia64.opt: New file.
4875         * config/ia64/ilp32.opt: New file.
4876
4877 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4878
4879         PR target/18380
4880         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4881
4882 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4883
4884         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4885         instead of MASK_H8300S.
4886         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4887         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4888         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4889         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4890         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4891         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4892         TARGET_SWITCHES): Remove.
4893         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4894         TARGET_H8300SX.
4895         * config/h8300/h8300.opt: New.
4896
4897         * config/alpha/alpha.opt, config/arc/arc.opt,
4898         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4899         notices.
4900
4901 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4902
4903         * gmon.c: Remove.
4904
4905 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4906
4907         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4908         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4909         (TARGET_HANDLE_OPTION): Override default.
4910         (arc_handle_option): New function.
4911         (arc_init): Remove code to set arch_cpu_string.
4912         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
4913         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
4914         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
4915         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
4916         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
4917         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
4918         (arc_rodata_string, TARGET_OPTIONS): Delete.
4919         * config/arc/arc.opt: New file.
4920
4921 2005-03-17  Richard Henderson  <rth@redhat.com>
4922
4923         * doc/extend.texi (Weak Pragmas): New section.
4924         (attribute alias): Clarify that target must be in the same
4925         translation unit.
4926
4927 2005-03-17  Richard Henderson  <rth@redhat.com>
4928
4929         * config/alpha/alpha.opt: New file.
4930         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
4931         of alpha_cpu.
4932         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
4933         alpha_fprm_string, alpha_fptm_string): Make static.
4934         (alpha_tls_size_string): Remove.
4935         (alpha_handle_option): New.
4936         (override_options): Update for alpha_cpu/alpha_tune split.
4937         (alpha_file_start): Likewise.
4938         (TARGET_DEFAULT_TARGET_FLAGS): New.
4939         (TARGET_HANDLE_OPTION): New.
4940         * config/alpha/alpha.h (alpha_tune): Declare.
4941         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
4942         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
4943         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
4944         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
4945         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
4946         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
4947         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
4948         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
4949         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
4950         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
4951         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
4952         (TARGET_DEFAULT): Remove MASK_FP.
4953         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
4954         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
4955         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
4956         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
4957         alpha_tls_size_string): Remove.
4958         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
4959         (attribute tune): Rename from attribute cpu.
4960         * config/alpha/ev4.md: Update to match.
4961         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
4962         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
4963         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
4964         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
4965         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
4966         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
4967
4968 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
4969
4970         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
4971         and return without creating new state if before_nops_num is nonzero.
4972         * config/ia64/ia64.md (first_insn): New attribute.
4973         (alloc): Set it to yes.
4974
4975 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4976
4977         * tree-vectorizer.c (new_vec_stmt_info): Initialize
4978         STMT_VINFO_SUBVARS to NULL.
4979         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4980
4981 2005-03-16 Dale Johannesen  <dalej@apple.com>
4982
4983         * rtlanal.c (find_first_parameter_load):  Rewrite to
4984         return actual first param load or the call if none,
4985         instead of first in block, when not all loads exist.
4986
4987 2005-03-16  Roger Sayle  <roger@eyesopen.com>
4988
4989         * optabs.c (expand_copysign_absneg): Make static.
4990         * optabs.h (expand_copysign_absneg): Delete prototype.
4991         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
4992
4993 2005-03-16  Richard Henderson  <rth@redhat.com>
4994
4995         PR middle-end/15700
4996         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
4997         (alias_pairs): Rename from output_defs.
4998         (find_decl_and_mark_needed): Split out from assemble_alias.
4999         (do_assemble_alias): New.
5000         (assemble_output_def): Remove.
5001         (finish_aliases_1, finish_aliases_2): New.
5002         (process_pending_assemble_output_defs): Remove.
5003         (assemble_alias): Defer aliases for which we don't yet have a
5004         non-external decl for the target symbol.
5005         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5006         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5007         * toplev.c (compile_file): Use finish_aliases_2 instead of
5008         process_pending_assemble_output_defs.
5009         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5010         (process_pending_assemble_output_defs): Remove.
5011
5012 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5013
5014         Fix PR tree-optimization/20489
5015
5016         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5017         for empty structures.
5018
5019 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5020
5021         Fix PR tree-optimization/20490
5022
5023         * tree-ssa-pre.c (create_expression_by_pieces): Use
5024         force_gimple_operand on result of fold.
5025
5026 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
5027
5028         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5029         of closing parenthesis.
5030
5031 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5032
5033         * builtins.c (expand_movstr): Update a call to
5034         fold_builtin_strcpy.
5035         (expand_builtin_strncpy): Update a call to
5036         fold_builtin_strncpy.
5037         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5038         arguments of CALL_EXPR.
5039         (fold_builtin_1): Update calls to fold_builtin_strcpy and
5040         fold_builtin_strncpy.
5041         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5042         * tree.h: Update the prototypes of fold_builtin_strcpy and
5043         fold_builtin_strncpy.
5044
5045 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5046             Dorit Naishlos  <dorit@il.ibm.com>
5047
5048         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5049         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5050         error.
5051
5052 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5053
5054         * tree-inline.c (walk_type_fields, walk_tree,
5055         walk_tree_without_duplicates): Move from here...
5056         * tree.c: ...to here.
5057
5058 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
5059
5060         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5061         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5062         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5063         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5064         (version): Define using $(BASEVER_c).
5065         (Makefile, config.status, build/gcov-iov.o): No longer depends on
5066         version.c.
5067         (version.o): Depend on version files; add custom generation command.
5068         (prefix.o): Define BASEVER on command line.
5069         (s-iov): Depend on version files; adjust command.
5070         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5071         Add gcc-vers.texi.
5072         (gcc-vers.texi): New rule.
5073         (doc/%.info, doc/%.dvi): Add -I . to command line.
5074         (doc/gccinstall.dvi): Likewise.
5075         (PACKAGE): Delete.  All uses replaced with "gcc".
5076         * aclocal.m4: Do not include gcc-version.m4.
5077         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5078         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5079         Set is_release based on contents of DEV-PHASE.
5080         Set gcc_version based on contents of BASE-VER.
5081         Define WIN32_REGISTRY_KEY only if the user overrode the default.
5082         * config.in, configure: Regenerate.
5083         * gccbug.in: Determine version of GCC in use at runtime.
5084         * gcov-iov.c: Get version number and development phase from
5085         command line, not by including version.c.
5086         * intl.c: Replace all uses of PACKAGE with "gcc".
5087         * libada-mk.in: Delete unused "gcc_version" variable.
5088         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5089         * version.c: (VERSUFFIX): New hook for redistributors; adjust
5090         commentary to match.
5091         (version_string): Put together from pieces.
5092         * config/alpha/x-vms: Do not use $(gcc_version).
5093         * config/i386/t-nwld: Likewise.
5094         * doc/include/gcc-common.texi: Include gcc-vers.texi for
5095         version-GCC and DEVELOPMENT.
5096
5097 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5098
5099         PR tree-optimization/17454
5100         * tree.c (tree_size): Add case for TREE_BINFO.
5101         * fold-const.c (fold_checksum_tree): Only clear the overloaded
5102         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
5103
5104 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5105
5106         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
5107         op1 whilst expanding the signed widenening multiply variant.
5108
5109 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
5110
5111         * toplev.c (display_target_options): Avoid unused variable warning if
5112         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
5113         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
5114         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
5115         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
5116         (mips_isa_info): New variable.
5117         (mips_parse_cpu): Remove the first argument and leave the caller
5118         to report errors.
5119         (TARGET_HANDLE_OPTION): Override default.
5120         (mips_handle_option): New function.  Move option validation code from...
5121         (override_options): ...here.  Update calls to mips_parse_cpu.
5122         * config/mips/mips.h (mips_arch_string, mips_tune_string)
5123         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
5124         (SUBTARGET_TARGET_OPTIONS): Delete.
5125         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
5126         (mno-flush-func, mtune=): New options.
5127
5128 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5129             Richard Henderson  <rth@redhat.com>
5130
5131         * real.c (c4x_single_format, c4x_extended_format): Provide values
5132         for signbit_ro for c4x's single and extended floating point formats.
5133         * optabs.c (expand_copysign): Use the floating point format's
5134         signbit_ro for expanding via expand_copysign_absneg, and it's
5135         signbit_rw field for expanding via expand_copysign_bit.
5136
5137 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
5138
5139         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
5140         known_alignment_for_access_p.
5141         (known_alignment_for_access_p): New.
5142         (do_peeling_for_alignment): Field made int instead of bool and renamed
5143         to peeling_for_alignment.
5144         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
5145         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
5146         functionality used to be in vect_analyze_operations.
5147         (vect_analyze_operations): Code to determine vectorization factor was
5148         moved to vect_determine_vectorization_factor.
5149         (vect_enhance_data_refs_alignment): Update to correct alignment when it
5150         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
5151         factor.
5152         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
5153         be part of vect_analyze_operations).
5154         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
5155         creating the guard condition, as the number of iterations may be
5156         constant.
5157         (slpeel_tree_peel_loop_to_edge): Use new name of
5158         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
5159         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
5160         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
5161         (vect_do_peeling_for_alignment): Use fold.
5162         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
5163
5164         (vect_update_inits_of_dr): Renamed to
5165         vect_update_init_of_dr.
5166         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
5167         (vectorizable_store): Fix assertion to use == instead of =.
5168
5169 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
5170
5171         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
5172         call_used_regs for wCG registers.
5173
5174 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
5175
5176         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5177         for non-offsettable memory references to cope with outstanding reload
5178         replacements, take 2.
5179
5180 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
5181
5182         PR target/18668
5183         * config/i386/i386.h (x86_fisttp): New.
5184         (TARGET_FISTTP): New macro.
5185         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
5186         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
5187         instruction when fisttp flag is set.
5188         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
5189
5190         * config/i386/i386.md (type attribute): Add fisttp.
5191         (unit attribute): Set to i387 for fisttp type.
5192         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
5193         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
5194         TARGET_FISTTP.
5195         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
5196         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
5197         macros.
5198         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
5199         patterns for TARGET_FISTTP.  Enable patterns for
5200         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
5201         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
5202         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
5203         implement fisttp x87 insn.
5204         (fix_trunc*_i387_fisttp splitters): New patterns.
5205         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
5206         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
5207         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
5208         clobber.
5209         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
5210         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
5211         Implement using mode macros. Disable patterns for TARGET_FISTTP.
5212         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
5213         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
5214         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
5215         Disable patterns for TARGET_FISTTP.
5216         (fix_trunc*_i387 splitters): Implement usign mode macros.
5217         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
5218         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
5219         (fix_trunx*_sse peephole2s): Implement using mode macros.
5220
5221 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
5222
5223         PR rtl-optimization/20291
5224         * combine.c (try_combine): If splitting fails, re-try with
5225         original combined pattern, i.e. before clobber stripping.
5226
5227 2005-03-14  Eric Christopher  <echristo@redhat.com>
5228
5229         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
5230         STACK_GROWS_DOWNWARD.
5231
5232 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5233
5234         * real.h (struct real_format): Split the signbit field into two
5235         two fields, signbit_ro and signbit_rw.
5236         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
5237         mips_double_format, ieee_extended_motorola_format,
5238         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
5239         ieee_extended_intel_128_format, ibm_extended_format,
5240         mips_extended_format, ieee_quad_format, mips_quad_format,
5241         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
5242         i370_double_format, c4x_single_format, c4x_extended_format,
5243         real_internal_format): Update initializers for new field.
5244         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
5245         real_format structure.
5246         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
5247         field of the real_format structure.
5248
5249 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
5250
5251         Fix PR tree-optimization/20458
5252
5253         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
5254         DECL_EXTERNAL on STRUCT_FIELD tags.
5255         (clear_call_clobbered): Ditto.
5256         * tree-ssa-operands.c (note_addressable): Make sure the original
5257         variable doesn't slip into the addressable list if we have
5258         subvars.
5259         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
5260         tags too.
5261
5262 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
5263
5264         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
5265         (-fwide-exec-charset): Likewise.
5266         (-finput-charset): Likewise.
5267         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
5268         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
5269         * c.opt (Wnormalized): New.
5270
5271 2005-03-14  Devang Patel  <dpatel@apple.com>
5272
5273         * doc/invoke.texi: Add reference to Visibility document.
5274
5275 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5276
5277         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
5278         MASK_SPLIT_ADDRESSES.
5279         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
5280         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
5281         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
5282         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
5283         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
5284         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
5285         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
5286         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
5287         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
5288         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
5289         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
5290         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
5291         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
5292         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
5293         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
5294         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
5295         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
5296         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
5297         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
5298         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
5299         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
5300         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
5301         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
5302         (TARGET_EXPLICIT_RELOCS): Delete.
5303         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
5304         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
5305         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5306         (override_options): Set MASK_LONG64 if -mint64 is given and no
5307         -mlongXX option is.  Complain about -mint64 -mlong32.
5308         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
5309         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
5310         * config/mips/mips.opt: New file.
5311
5312 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5313
5314         * config.gcc (extra_options): New variable for listing option files.
5315         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
5316         * configure.ac (extra_opt_files): New AC_SUBST variable.
5317         (tm_file_list, tm_include_list): Include options.h first.
5318         * configure: Regenerate.
5319         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
5320         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
5321         (s-options-h): New rule.
5322         (options.h): Depend on it.
5323         (TEXI_GCCINT_FILES): Add options.texi.
5324         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
5325         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
5326         * target.h (gcc_target): Add default_target_flags and handle_option.
5327         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
5328         (TARGET_HANDLE_OPTION): New macros.
5329         (TARGET_INITIALIZER): Include them.
5330         * opt-functions.awk (opt_args, nth_arg): New functions.
5331         (switch_flags): Handle the "Target" flag.
5332         (var_args): Delete.
5333         (var_name): Use opt_args and nth_arg.
5334         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
5335         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
5336         macros for the "Mask" and "InverseMask" options.
5337         * opts.h (cl_var_cond): New enum.
5338         (cl_option): Replace the "has_set_value" and "set_value" fields with
5339         "var_cond" and "var_value".
5340         (CL_TARGET): New macro.
5341         (option_enabled, print_filtered_help): Declare.
5342         (decode_options): Move definition.
5343         * opts.c (handle_option): Search for the original option before
5344         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
5345         var_cond and var_value fields.  Use targetm.handle_option to handle
5346         target options.
5347         (decode_options): Set target_flags to targetm.default_target_flags.
5348         (print_filtered_help): Make global.  Handle CL_TARGET.
5349         (option_enabled): New function.
5350         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
5351         (display_target_options, set_target_switch, print_switch_values)
5352         (default_pch_valid_p): Guard uses of target_switches with
5353         #ifdef TARGET_SWITCHES.  Also...
5354         (display_target_options): Display the CL_TARGET entries in cl_options.
5355         (set_target_option): Don't complain about the "" option when
5356         TARGET_SWITCHES is undefined.
5357         (print_switch_values): Use option_enabled.
5358         (default_pch_valid_p): Check cl_options[] when looking for something
5359         that has changed the value of target_flags.
5360         * c.opt: Remove documentation from top of file.
5361         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
5362         * doc/sourecebuild.texi: Refer to the new options documentation
5363         instead of c.opt.  Document machine-specific .opt files.
5364         * doc/tm.texi (target_flags): Say that this variable is declared
5365         by options.h.
5366         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
5367         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
5368         an alternative.
5369         * doc/options.texi: New file.
5370
5371 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5372
5373         PR middle-end/18628
5374         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
5375         register.
5376
5377 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5378
5379         PR c++/20280
5380         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5381         temporary variable of pointer type if an lvalues is required.
5382         (gimplify_modify_expr_rhs): Request an rvalue from it.
5383         (gimplify_expr): Pass fallback on.
5384
5385 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5386
5387         * cfgbuild.c: Update comments.
5388
5389 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5390
5391         PR rtl-optimization/17236
5392         * optabs.c (expand_doubleword_mult): New helper function split out
5393         from expand_binop.  Permute the order in which instructions are
5394         emitted to minimize the number of simultaneously live registers.
5395         (expand_binop): Call expand_doubleword_mult to synthesize a double
5396         word multiplication.
5397
5398 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5399
5400         * basic-block.h: Update the prototypes of cached_make_edge and
5401         rtl_make_eh_edge.
5402         * cfg.c (cached_make_edge): Take edge_cache representing one
5403         row of the adjacency matrix of edges.
5404         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5405         (make_edges): Initialize edge_cache to represent one row of
5406         the adjacency matrix of edges.
5407
5408 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5409
5410         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5411         New functions.
5412         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5413         Remove unused removed_phis variable.
5414         (conditional_replacement): Use build1/build2.
5415         (abs_replacement): Use last_and_only_stmt and build1/build2.
5416
5417 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5418
5419         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5420         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5421         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5422         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5423         * c-common.c (handle_novops_attribute): New function.
5424         (c_common_attribute_table): Add "no vops" entry.
5425         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5426         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5427         * tree-ssa-operands.c (get_call_expr_operands): Do not
5428         create virtual operands for calls with ECF_NOVOPS flag.
5429         * tree.h (DECL_IS_NOVOPS): New macro.
5430         (struct tree_decl): Add novops_flag.
5431         (ECF_NOVOPS): New constant.
5432
5433 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5434
5435         PR target/17688
5436         * config/i386/i386.c (x86_use_himode_fiop): New.
5437         (x86_use_simode_fiop): Rename from x86_use_fiop.
5438         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5439         (TARGET_USE_HIMODE_FIOP): New.
5440         (x86_use_simode_fiop): Rename from x86_use_fiop.
5441         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5442
5443         * config/i386/i386.md (X87MODEI12): New mode macro define.
5444         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5445         to implement x87 FP compare with HImode input operands.
5446         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5447         Use X87MODEI12 mode macro to handle HImode input operands.
5448         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5449         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5450         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5451         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5452         macro to implement x87 operators with HImode input operands.
5453         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5454         input operands.
5455
5456 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5457
5458         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5459         integer_zerop.
5460         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5461         constants invariant.
5462
5463 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5464
5465         * basic-block.h (BB_VISITED): Removed.
5466         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5467
5468 2005-03-14  Falk Hueffner  <falk@debian.org>
5469
5470         PR bootstrap/20424
5471         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5472
5473 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5474
5475         * ggc-zone.c: Fix comment typos.
5476
5477         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5478         stringpool.c, config/mips/mips-protos.h: Update copyright.
5479
5480 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5481
5482         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5483         throughout with its typedef, "rtx".
5484         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5485         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5486         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5487         regs in comment to match code.
5488
5489 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5490
5491         * except.c (check_handled): Make it static.
5492         * except.h: Remove the corresponding prototype.
5493
5494         * function.c (get_func_frame_size): Make it static.
5495         * function.h: Remove the corresponding type.
5496
5497         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5498         Make them static.
5499         * hard-reg-set.h: Remove the corresponding declarations.
5500
5501         * tree-cfg.c (verify_stmts): Check that
5502         bb_for_stmt (stmt) == bb for every PHI node and statement.
5503
5504 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5505
5506         * config.gcc: Remove excess indentation.
5507         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5508
5509 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5510
5511         PR middle-end/19331
5512         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5513         * fold-const.c (fold_sign_changed_comparison): Likewise.
5514         (fold_binary): Optimize comparisons against widened operands if
5515         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5516
5517 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5518
5519         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5520         (sparc_override_options): Initialize it.
5521         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5522
5523 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5524
5525         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5526         (reg_or_none500mem_operand): New predicate.
5527         (zero_reg_mem_operand): New predicate.
5528         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5529         to reg_or_none500mem_operand.
5530         (extendsfdf2_fpr): Add MEM alternative.
5531         (extenddftf2_internal): Change operand2 predicate to
5532         zero_reg_mem_operand.
5533
5534 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5535
5536         * ggc-zone.c: Rewritten.
5537
5538         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5539         if there are none.
5540         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5541         * config.in: Regenerated.
5542         * configure: Regenerated.
5543         * gengtype.c (write_types_process_field, write_func_for_structure):
5544         Pass new argument to gt_pch_note_object.
5545         * ggc-common.c (struct ptr_data): Add TYPE.
5546         (gt_pch_note_object): Take TYPE argument and save it.
5547         (call_count): Update call to ggc_pch_count_object.
5548         (call_alloc): Update call to ggc_pch_alloc_object.
5549         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5550         file.
5551         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5552         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5553         (ggc_alloc_zone_stat): Delete.
5554         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5555         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5556         (ggc_pch_alloc_object): Update prototypes.
5557         (garbage_zone): Delete.
5558         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5559         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5560         pointers.
5561         (tree_id_zone): New variable.
5562         (ggc_alloc_cleared_zone): Remove unused.
5563         (ggc_alloc_zone): Define.
5564         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5565         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5566         ggc_alloc_zone_stat.
5567         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5568         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5569         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5570         (make_node_stat): Likewise.  Use tree_id_zone.
5571
5572 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5573             Joseph S. Myers  <joseph@codesourcery.com>
5574
5575         * configure.ac: Check for MIPS TLS.
5576         * configure: Regenerated.
5577         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5578         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5579         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5580         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5581         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5582         (mips_classify_symbol, mips_symbolic_constant_p)
5583         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5584         (mips_tls_operand_p, mips_call_tls_get_addr)
5585         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5586         (mips_tls_symbol_ref_1): New functions.
5587         (mips_legitimize_address, mips_legitimize_const_move): Call
5588         mips_legitimize_tls_address.
5589         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5590         for MIPS16.
5591         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5592         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5593         (mips_char_to_class): Document V1_REG.
5594         (HAVE_AS_TLS): Provide default.
5595         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5596         constants.
5597         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5598         !TARGET_ABICALLS.
5599         (tls_get_tp_<mode>): New instruction.
5600
5601 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5602
5603         * configure.ac: Update checks for target tools.
5604         * configure: Regenerated.
5605
5606 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5607
5608         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5609
5610 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5611
5612         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5613         more classes of DImode multiplication by constant.  Allow both
5614         multiplication by small negative constants (by performing a
5615         multiplication by a positive constant and negating the result) and
5616         multiplications by large powers of two, by using a left shift.
5617
5618 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5619
5620         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5621         of basic blocks into work_stack.
5622
5623         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5624         config/mips/vr.h: Update copyright.
5625
5626         * c-decl.c (c_init_decl_processing): Remove useless calls to
5627         build_function_type.
5628
5629         * builtins.c (fold_trunc_transparent_mathfn,
5630         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5631         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5632         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5633         fold_builtin_strcpy, fold_builtin_strncpy,
5634         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5635         TREE_TYPE (exp).
5636
5637         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5638         before_call.
5639
5640         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5641         variable determinant.
5642
5643         * tree-cfg.c (group_case_labels): Remove local variable type.
5644
5645         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5646         variable ann.
5647
5648         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5649         result.
5650
5651 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5652
5653         PR target/18251
5654         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5655         (*movmemqi_insn): Delete.
5656         (*movmemhi): Delete.
5657
5658 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5659
5660         * builtins.c (fold_builtin_classify): Take decomposed
5661         arguments of CALL_EXPR.
5662         (fold_builtin_1): Update a call to fold_builtin_classify.
5663
5664 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5665
5666         PR c/20402
5667         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5668         through into call to parser_xref_tag after parse error.
5669         (c_parser_struct_declaration): Consistently return NULL_TREE on
5670         error.
5671
5672 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5673
5674         * tree-flow-inline.h (ref_contains_array_ref): New function.
5675         (lookup_subvars_for_var): Ditto.
5676         (get_subvars_for_var): Ditto.
5677         (var_can_have_subvars): Ditto.
5678
5679         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5680         (struct subvar): New type.
5681
5682         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5683
5684         * tree-optimize.c (init_tree_optimization_passes): Call
5685         pass_create_structure_vars.
5686
5687         * tree-ssa-alias.c: Include vec.h.
5688         (init_alias_info): Don't auto-clear call clobbered on struct-field
5689         tags.
5690         (compute_flow_insensitive_aliasing): Handle subvars.
5691         (group_aliases): Handle STRUCT_FIELD aliases.
5692         (setup_pointers_and_addressables): Ditto.
5693         Don't mark variables non-addressable if they still have
5694         addressable subvars.
5695         Also mark subvars addressable when the real variable is marked
5696         addressable.
5697         (add_pointed_to_var): Try to prune the pointed-to set by only
5698         pointing to subvars when possible.
5699         Otherwise, make sure we set addresses_needed and pt_vars to
5700         properly include subvars.
5701         (bitpos_of_field): New function.
5702         (push_fields_onto_fieldstack): Ditto.
5703         (get_or_create_used_part_for): Ditto.
5704         (create_overlap_variables_for): Ditto.
5705         (find_used_portions): Ditto.
5706         (create_structure_vars): Ditto.
5707         (pass_create_structure_vars): New structure.
5708
5709         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5710         (get_expr_operands): Handle subvars.  Also try to turn
5711         COMPONENT_REF accesses into must-defs now that we can accurately
5712         portray it.
5713         (note_addressable): Try to only mark as addressable those subvars
5714         we know a COMPONENT_REF touches.
5715         (overlap_subvar): New function.
5716
5717         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5718         Handle subvar storing.
5719         (vect_address_analysis): Update caller of vect_object_analysis.
5720
5721         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5722
5723         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5724         (STMT_VINFO_SUBVARS): New macro.
5725
5726         * common.opts: add flag_tree_salias.
5727
5728         * opts.c (decode_options): flag_tree_salias defaults to on.
5729
5730         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5731
5732         * doc/tree-ssa.texi: Document structural alias analysis.
5733
5734 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5735
5736         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5737         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5738         * tree-ssa-operands.c (get_expr_operands): Likewise.
5739         (get_expr_operands): Likewise for ERROR_MARK.
5740
5741 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5742
5743         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5744         var.
5745
5746         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5747         removed_phis.
5748
5749         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5750         (mark_operand_necessary): Remove local variable ver.
5751
5752         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5753         variable prefix_len.
5754
5755         * value-prof.c (mod_subtract_transform): Remove local variable
5756         value.
5757
5758         * builtins.c (fold_builtin_exponent): Take decomposed
5759         arguments of CALL_EXPR.
5760         (fold_builtin_1): Update a call to fold_builtin_exponent.
5761
5762         * builtins.c (fold_builtin_logarithm): Take decomposed
5763         arguments of CALL_EXPR.
5764         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5765
5766         * c-decl.c (c_init_decl_processing): Remove local variables
5767         ptr_ftype_void and ptr_ftype_ptr.
5768
5769         * gimplify.c (gimplify_expr): Remove local variables r0 and
5770         r1.
5771
5772         * reg-stack.c (move_for_stack_reg): Remove local variable
5773         push_insn.
5774         (compare_for_stack_reg): Remove local variable flags_user.
5775         (convert_regs_1): Remove local variable deleted.
5776
5777         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5778         variable new_cond.
5779         (combine_blocks): Remove local variables exits and new_e.
5780
5781         * tree-inline.c (expand_call_inline): Remove local variable
5782         decl.
5783
5784         * tree-ssa-live.c (create_ssa_var_map,
5785         calculate_live_on_entry): Remove local variable snn.
5786
5787 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5788
5789         * c-lex.c (c_lex_with_flags): Add parameter to call to
5790         cpp_spell_token.
5791
5792 2005-03-11  Per Bothner  <per@bothner.com>
5793
5794         * c-tree.h (struct c_declarator): New id_loc field.
5795         * c-pragma.h (c_lex_with_flags): Take position reference.
5796         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5797         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5798         (c_lex): Pass dummy location to c_lex_with_flags.
5799         * c-parser.c (c_lex_one_token): Set c_token's location using
5800         c_lex_with_flags, instead of input_location, which might be "ahead".
5801         (c_parser_direct_declarator): Set declarator's id_loc from
5802         c_token's id_loc.
5803         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5804         declarator's id_loc, rather than probably-imprecise input_location.
5805         (build_id_declarator): Initialize c_declarator's id_loc field.
5806
5807 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5808
5809         PR middle-end/20419
5810         * builtins.c (expand_builtin_signbit): Force the signbit's word
5811         into an integer register to avoid SUBREGs of floating point modes.
5812
5813 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5814
5815         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5816         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5817         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5818         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5819
5820 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5821
5822         PR rtl-optimization/20306
5823         * expr.c (emit_move_complex): Set try_int false if mode is
5824         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5825         emit_block_move if try_int is true.
5826
5827 2005-03-11  Richard Henderson  <rth@redhat.com>
5828
5829         PR target/20415
5830         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5831         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5832         to match.
5833
5834 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5835
5836         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5837         (TARGET_FIX_VR4130): New macro.
5838         (TARGET_OPTIONS): Add -mfix-vr4130.
5839         (ISA_HAS_MACCHI): New macro.
5840         (ASM_SPEC): Add -mfix-vr4130.
5841         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5842         (override_options): Handle mips_fix_vr4130_string.
5843         (mips_avoid_hazards): Clear all_noreorder_p
5844         if we're working around VR4130 errata and the macc alternatives
5845         are not available.
5846         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5847         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5848         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5849         (MULTILIB_DEFAULTS): Remove leading "march=".
5850         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5851         if no architecture option is given.
5852         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5853         VR4130 multilibs.
5854         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5855         * doc/invoke.texi: Document -mfix-vr4130.
5856
5857 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5858
5859         * config/mips/mips.c (override_options): Only warn about -mint64
5860         deprecation if TARGET_INT64.
5861
5862 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5863
5864         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5865         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5866         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5867         are non-specific regarding the nonnull parameter positions.
5868         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5869         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5870         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5871         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5872
5873         * builtins.def: Use the non-specific "nonnull" attibute lists.
5874
5875 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5876
5877         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5878         single_pred_edge, single_succ, single_pred): Improve comments.
5879
5880 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5881
5882         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5883         single_pred_edge, single_succ, single_pred): New inline functions.
5884         * bb-reorder.c (rotate_loop, find_traces_1_round,
5885         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5886         duplicate_computed_gotos): Use the single_succ/pred functions.
5887         * cfganal.c (forwarder_block_p): Ditto.
5888         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5889         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5890         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5891         merge_seq_blocks): Ditto.
5892         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5893         * cfglayout.c (fixup_reorder_chain): Ditto.
5894         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5895         canonicalize_loop_headers, verify_loop_structure): Ditto.
5896         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5897         mfb_update_loops, create_preheader, force_single_succ_latches,
5898         create_loop_notes): Ditto.
5899         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5900         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5901         commit_one_edge_insertion, purge_dead_edges,
5902         cfg_layout_can_merge_blocks_p): Ditto.
5903         * except.c (sjlj_emit_function_enter): Ditto.
5904         * flow.c (init_propagate_block_info): Ditto.
5905         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5906         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5907         insert_insn_end_bb): Ditto.
5908         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5909         find_if_case_2): Ditto.
5910         * lambda-code.c (perfect_nestify): Ditto.
5911         * lcm.c (optimize_mode_switching): Ditto.
5912         * loop-doloop.c (doloop_modify): Ditto.
5913         * loop-init.c (loop_optimizer_init): Ditto.
5914         * loop-iv.c (simplify_using_initial_values): Ditto.
5915         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
5916         * loop-unswitch.c (unswitch_loop): Ditto.
5917         * modulo-sched.c (generate_prolog_epilog): Ditto.
5918         * predict.c (combine_predictions_for_insn, estimate_probability,
5919         tree_estimate_probability, last_basic_block_p,
5920         estimate_bb_frequencies): Ditto.
5921         * profile.c (branch_prob): Ditto.
5922         * regrename.c (copyprop_hardreg_forward): Ditto.
5923         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
5924         * tracer.c (layout_superblocks): Ditto.
5925         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
5926         cfg_remove_useless_stmts_bb, cleanup_control_flow,
5927         cleanup_control_expr_graph, disband_implicit_edges,
5928         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
5929         tree_verify_flow_info, tree_make_forwarder_block,
5930         tree_forwarder_block_p, remove_forwarder_block,
5931         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
5932         * tree-if-conv.c (tree_if_conversion): Ditto.
5933         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
5934         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
5935         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
5936         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
5937         copy_loop_headers): Ditto.
5938         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
5939         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
5940         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
5941         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
5942         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
5943         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
5944         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
5945         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
5946         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
5947         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
5948         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
5949         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
5950         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
5951         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
5952         slpeel_add_loop_guard): Ditto.
5953
5954 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
5955
5956         PR tree-optimization/15784
5957         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5958         and -1 - A to ~A.
5959
5960         * stmt.c (expand_case): Don't change index_type.  Convert minval
5961         to the proper type.
5962
5963         PR tree-optimization/20130
5964         * fold-const.c (fold): Fold x * -1 into -x.
5965
5966 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5967
5968         PR rtl-optimization/20331
5969         * rtlanal.c (modified_between_p): Check its address first for MEM.
5970         (modified_in_p): Likewise.
5971
5972 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
5973
5974         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
5975
5976 2005-03-10  Steven Bosscher  <stevenb@suse.de>
5977
5978         * expr.c (expand_expr_real_1): If possible, use a conditional
5979         move for expanding MIN_EXPR and MAX_EXPR.
5980         Use temp for moving around rtx-en.
5981
5982 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
5983
5984         PR rtl-opt/20412
5985         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
5986         correct mode.
5987
5988 2005-03-10  Roger Sayle  <roger@eyesopen.com>
5989
5990         * builtins.c (expand_builtin_signbit): Extend to handle floating
5991         point modes wider than the largest integer type, using the
5992         operand_subword_force function to obtain the signbit's word.
5993
5994 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5995
5996         PR target/20322
5997         * combine.c (try_combine): If recog_for_combine added CLOBBERs
5998         to NEWI2PAT, fail to combine if they are used by NEWPAT.
5999
6000 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
6001
6002         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6003
6004 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
6005
6006         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6007         type void.
6008         (perform_edge_inserts): Unconditionally call
6009         free_dominator_info.
6010
6011         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6012
6013 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
6014
6015         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6016
6017 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
6018
6019         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6020
6021         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6022         gcc_unreachable.
6023         (rtl_register_value_prof_hooks,
6024         tree_value_profile_transformations,
6025         tree_register_value_prof_hooks): Likewise.
6026         * var-tracking.c (stack_adjust_offset_pre_post,
6027         variable_htab_free, variable_union, dataflow_set_different_2,
6028         count_uses, variable_was_changed, set_frame_base_location,
6029         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6030         vt_add_function_parameters): Likewise.
6031         * varasm.c (named_section_real, named_section, make_decl_rtl,
6032         asm_emit_uninitialised, assemble_integer, decode_addr_const,
6033         const_hash_1, compare_constant, copy_constant, force_const_mem,
6034         output_constant_pool_2, output_constant_pool_1, output_constant,
6035         output_constructor, make_decl_one_only, decl_tls_model,
6036         default_no_named_section, default_elf_select_section_1,
6037         default_unique_section_1): Likewise.
6038         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6039         * vmsdbgout.c (addr_const_to_string): Likewise.
6040
6041         PR c++/20375
6042         * function.c (struct assign_parm_data_one): Remove last_named
6043         field.
6044         (assign_parm_find_data_types): Don't determine last_named.
6045         Reorder named_parm determination.
6046         (assign_parms): Only setup varargs on the last non-varadic
6047         parameter.
6048
6049 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
6050
6051         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
6052         sda base address on medium model.
6053
6054 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
6055
6056         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6057         * cfgloop.c (flow_loop_nodes_find): Export.
6058         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6059         Declare.
6060         * cfgloopmanip.c (fix_loop_structure): New function.
6061         * predict.c (predict_loops): Clean up the loops information.
6062         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6063         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6064         loop structure.
6065         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6066         (rewrite_into_loop_closed_ssa): Declaration changed.
6067         * tree-loop-linear.c (linear_transform_loops): Add argument to
6068         rewrite_into_loop_closed_ssa call.
6069         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6070         * tree-ssa-loop-im.c (move_computations): Ditto.
6071         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6072         * tree-vectorizer.c (vectorize_loops): Ditto.
6073         * tree-optimize.c: Include cfgloop.h.
6074         (execute_todo): Choose whether to call cleanup_tree_cfg or
6075         cleanup_tree_cfg_loop.
6076         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6077         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6078         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6079         cleanup_tree_cfg_loop call.
6080         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6081         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6082         work on part of cfg.
6083
6084 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6085
6086         PR inline-asm/20314
6087         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6088         with multiple alternatives.
6089
6090         * stmt.c (parse_output_constraint): Fix a typo.
6091
6092 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
6093
6094         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6095         assembly directive instead of deprecated "no-generics".
6096
6097 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
6098
6099         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6100         for non-offsettable memory references to cope with outstanding reload
6101         replacements.
6102         * config/s390/s390.md ("reload_outti"): Call find_replacement to
6103         avoid losing outstanding address reloads.
6104         ("reload_outdi", "reload_outdf"): Likewise.
6105
6106 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6107
6108         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
6109         code.  Add more cbrt transformations.
6110
6111 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6112
6113         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
6114
6115 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6116
6117         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
6118         NULL_TREE when a given tree is not simplified.
6119         (fold): Return the original tree when any of the functions
6120         mentioned above NULL_TREE.
6121
6122         * fold-const.c (fold_unary, fold_binary): Take decomposed
6123         arguments, code, type, op0, and op1 in case of fold_binary.
6124         (fold): Update calls to fold_unary and fold_binary.
6125
6126 2005-03-09  Roger Sayle  <roger@eyesopen.com>
6127
6128         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
6129         a fndecl and an arglist instead of a CALL_EXPR, exp.
6130
6131 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6132
6133         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
6134
6135         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
6136
6137         * expr.c (expand_assignment): Remove orig_to_rtx.
6138
6139         * fold-const.c (int_const_binop): Remove no_overflow.
6140
6141         * ifcvt.c (noce_emit_move_insn): Remove inmode.
6142
6143         * loop-iv.c (get_biv_step_1): Remove lhs.
6144
6145         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
6146
6147         * real.c (real_nan): Remove neg.
6148
6149         * function.c (thread_prologue_and_epilogue_insns): Remove i
6150         and newinsn.
6151
6152         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
6153         tb.
6154
6155         * tree-eh.c (tree_could_trap_p): Remove idx.
6156
6157         * tree-into-ssa.c (ann): Remove ann.
6158
6159         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
6160
6161         * tree-sra.c (decide_block_copy): Remove inst_count.
6162
6163         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
6164
6165         * tree-ssa-loop-im.c (lhs): Remove.
6166
6167         * cfgbuild.c (state, STATE, SET_STATE,
6168         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
6169         make_edges.
6170         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
6171         (find_basic_blocks): Set the state of each basic block to
6172         BLOCK_NEW.
6173
6174 2005-03-08  Jeff Law  <law@redhat.com>
6175
6176         * tree-cfg.c (cleanup_control_flow): If removal of a computed
6177         goto results in the removal of edges in the CFG, then we need
6178         to recompute dominators.
6179
6180 2005-03-09  Ben Elliston  <bje@au.ibm.com>
6181
6182         * c-common.c (c_do_switch_warnings): Comment fix.
6183
6184 2005-03-08  Julian Brown  <julian@codesourcery.com>
6185
6186         * Patch from 2005-03-08 reverted for causing regressions and
6187         ppc-darwin bootstrap failure.
6188
6189 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
6190
6191         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
6192         Define the real function for ppc-darwin.
6193         * c-typeck.c (convert_arguments): Check for target-specific
6194         invalid argument call to unprototyped function.
6195         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6196         New Macro.
6197         * target.h (invalid_arg_for_unprototyped_fn): New field
6198         in struct calls.
6199         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
6200         default target hook.
6201         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
6202         Declare.
6203
6204 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6205
6206         * c-typeck.c (constructor_stack, constructor_range_stack,
6207         initializer_stack): Make them static.
6208
6209         * cfg.c (rbi_pool): Make it static.
6210
6211         * gimple-low.c (lower_stmt_body): Make it static.
6212         * tree-flow.h: Remove the corresponding prototype.  Don't
6213         declare lower_data.
6214
6215         * sched-deps.c (cache_size): Make it static.
6216
6217         * stor-layout.c (lang_adjust_rli): Make it static.
6218
6219 2005-03-08  Julian Brown  <julian@codesourcery.com>
6220
6221         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6222         from being used for symbols with vague linkage when
6223         HAVE_GAS_COMDAT_GROUP is true.
6224
6225 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
6226
6227         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
6228         nlabel == JUMP_LABEL (jump).
6229
6230 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6231
6232         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
6233         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
6234         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
6235         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
6236
6237 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
6238
6239         PR c/14411
6240         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
6241         * c-common.c (handle_returns_twice): New function.
6242         (c_common_attribute_table): Declare eturns_twice' attribute.
6243         * doc/extend.texi: Document eturns_twice' attribute.
6244         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
6245         (struct tree_decl): Add returns_twice_flag.
6246
6247 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6248
6249         * tree-ssa-phiopt.c: Fix a comment typo.
6250
6251         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
6252         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
6253         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
6254         copyright.
6255
6256 2005-03-08  Richard Henderson  <rth@redhat.com>
6257
6258         * config/alpha/alpha.c (code_for_builtin): Replace special-case
6259         builtin codes with ctzdi2, clzdi2, popcountdi2.
6260         (struct alpha_builtin_def): Add is_const.
6261         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
6262         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
6263         (alpha_init_builtins): Init them.  Set nothrow and const attributes
6264         on builtins.
6265         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
6266         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
6267         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
6268         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
6269         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
6270         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
6271         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
6272         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
6273         (TARGET_FOLD_BUILTIN): New.
6274         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
6275         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
6276         (ffsdi2): Use ctz.
6277         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
6278
6279 2005-03-08  Ira Rosen  <irar@il.ibm.com>
6280
6281         PR tree-optimization/20122
6282         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
6283         condition of access function instead of base.
6284
6285 2005-03-07  Jeff Law  <law@redhat.com>
6286             Steven Bosscher  <stevenb@suse.de>
6287
6288         * tree-cfg.c (find_taken_edge_computed_goto): New function.
6289         (find_taken_edge): Call find_taken_edge_computed_goto as
6290         appropriate.  Allow any gimple invariant rather than just
6291         INTEGER_CST for VAL.
6292         (cleanup_control_flow): Cleanup a computed goto which has turned
6293         into a simple goto.
6294         (tree_merge_blocks): If block B has any forced labels, move
6295         them to the start of block A.
6296         * tree-ssa-dom.c (thread_across_edge): Allow threading across
6297         computed gotos as well.
6298         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
6299         removal of unnecessary computed gotos too.
6300         (lookup_redirection_data): Fix type of INSERT argument.  Callers
6301         updated.
6302
6303 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6304
6305         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
6306         Remove trailing spaces.
6307
6308         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
6309         unshare_all_trees): Make them static.
6310         * tree-gimple.h: Remove the corresponding prototypes.
6311
6312         * diagnostic.h: Remove unused prototype
6313         debug_output_buffer.
6314         * modulo-sched.c: Remove unused prototype
6315         set_row_column_for_ps.
6316
6317         * tree-ssa-phiopt.c (tree_ssa_phiopt,
6318         replace_phi_edge_with_variable): Remove unused variable i.
6319
6320 2005-03-07  Per Bothner  <per@bothner.com>
6321
6322         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
6323
6324 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
6325
6326         PR tree-opt/17671
6327         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
6328         bbs on the COND_EXPR instead of the PHI_NODEs.
6329         (candidate_bb_for_phi_optimization): Remove.
6330         (replace_phi_with_stmt): Rename to ...
6331         (replace_phi_edge_with_variable): this and change so that we
6332         replace the phi argument instead of removing the PHI.
6333         (conditional_replacement): Change so we deal with PHI with more
6334         than two arguments.
6335         (value_replacement): Likewise.
6336         (abs_replacement): Likewise.
6337
6338 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
6339
6340         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
6341         output_e500_flip_gt_bit.
6342
6343         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
6344         as bit 31.
6345         (rs6000_generate_compare): Fix logic to look at the correct bits.
6346         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
6347         Look at GT bit.
6348         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
6349         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
6350         gen_move_from_CR_gt_bit.
6351
6352         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
6353         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
6354         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
6355
6356         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
6357         (E500_CR_IOR_COMPARE): New constant.
6358
6359 2005-03-08  Earl Chew <earl_chew@agilent.com>
6360             David Billinghurst <David.Billinghurst@riotinto.com>
6361
6362         * config/i386/host-cygwin.c: New file to support precompiled
6363         headers on cygwin
6364         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
6365         * config.host: Use above files for cygwin host.
6366
6367 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
6368
6369         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
6370         ordering ops from earlier change.
6371
6372 2005-03-07  Per Bothner  <per@bothner.com>
6373
6374         Various fixes to allow us to again build if --enable-mapped-location:
6375         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
6376         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
6377         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
6378         local variable loc. Change logic appropriately.
6379         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6380         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6381         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6382         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6383         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6384
6385 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6386
6387         PR rtl-optimization/19683
6388         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6389         number of bytes, to smallest_int_for_mode.  Fix arguments to
6390         REG_CANNOT_CHANGE_MODE_P.
6391
6392 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6393
6394         * reorg.c (relax_delay_slots): Check that the jump is
6395         conditional before trying to invert it.
6396
6397 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6398
6399         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6400         Make them static.
6401
6402         * calls (stack_arg_under_construction): Make it static.
6403
6404         * flow.c (regs_live_at_setjmp): Make it static.
6405         * flow.h: Remove the corresponding prototype.
6406
6407         * reload1.c (reload_startobj, reload_firstobj,
6408         something_needs_operands_changed, reload_inherited,
6409         reload_inheritance_insn, reload_override_in,
6410         reload_spill_index): Make them static.
6411
6412         * recog.c (verify_changes): Make it static.
6413         * recog.h: Remove the corresponding prototype.
6414
6415         * cfgbuild.c (find_sub_basic_blocks): Remove.
6416         * basic-block.h: Remove the corresponding prototype.
6417         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6418         in comments.
6419         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6420
6421         * tree-ssa-operands.c (check_build_stmt): Remove.
6422
6423         * stor-layout.c (set_alignment): Remove.
6424         * tree.h: Remove the corresponding prototype.
6425
6426         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6427
6428         * tree-ssa-dce.c (control_dependence_map,
6429         visited_control_parents): Make them static.
6430
6431         * cfghooks.c (verify_flow_info): Remove local variable
6432         num_bb_notes.
6433
6434         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6435         last_bb_seen.
6436
6437         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6438
6439 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6440
6441         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6442
6443 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6444
6445         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6446         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6447         PARALLEL for an empty structure.
6448
6449 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6450
6451         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6452
6453         * fold-const.c (fold_binary): Unroll the very first "for"
6454         loop.
6455
6456 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6457
6458         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6459         redundant match_code test.
6460         (scc_comparison_operator): Swap match_operand and match_code
6461         tests.
6462         (branch_positive_comparison_operator): Same.
6463         (trap_comparison_operator): Use comparison_operator and swap with
6464         match_code test.
6465
6466 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6467
6468         PR target/20288
6469         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6470         (out_movhi_r_mr): Read low byte of volatile MEM first.
6471         (out_movhi_mr_r): Write high byte of volatile MEM first.
6472
6473 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6474
6475         * cselib.c (reg_values, reg_values_size): Make them static.
6476
6477         * cse.c (cse_reg_info_table): Make it static.
6478
6479         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6480
6481 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6482
6483         * cse.c (find_best_addr): Use canon_for_address.
6484
6485 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6486
6487         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6488         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6489         SUBREG and MEM, respectively.
6490
6491         * fold-const.c (fold_binary): Use code instead of t.
6492
6493         * fold-const.c (optimize_minmax_comparison): Take decomposed
6494         arguments code, type, op0, and op1 instead of t.
6495         (fold_binary): Update a call to optimize_minmax_comparison.
6496
6497         * fold-const.c (fold_range_test): Take decomposed arguments
6498         code, type, op0, and op1 instead of t.
6499         (fold_binary): Update a call to fold_range_test.
6500
6501         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6502         decomposed arguments code, type, op0, and op1 instead of t.
6503         (fold_binary): Update a call to fold_range_test.
6504
6505 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6506
6507         * fold-const.c (fold_binary): Avoid directly using the original
6508         expression t as much as possible.
6509
6510 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6511
6512         * c-semantics.c (build_stmt): Use TYPE_P instead of
6513         IS_NON_TYPE_CODE_CLASS.
6514         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6515         (NON_TYPE_CHECK): Use TYPE_P instead of
6516         IS_NON_TYPE_CODE_CLASS.
6517
6518         * fold-const.c (fold): Remove handling of binary expressions.
6519
6520 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6521
6522         * doc/c-tree.texi: Wrap comments in @r{}.
6523         * doc/cpp.texi: Likewise.
6524         * doc/cppinternals.texi: Likewise.
6525         * doc/extend.texi: Likewise.
6526         * doc/md.texi: Likewise.
6527         * doc/objc.texi: Likewise.
6528         * doc/sourcebuild.texi: Likewise.
6529         * doc/tm.texi: Likewise.
6530         * doc/tree-ssa.texi
6531
6532 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6533
6534         * predict.c (apply_return_prediction): Standardize PHI chain
6535         walking.
6536         * tree-ssa.c (ssa_redirect_edge): Likewise.
6537
6538         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6539         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6540         Update copyright.
6541
6542         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6543         * tree-flow.h: Adjust the prototype for remove_phi_node.
6544         * lambda-code.c (perfect_nestify): Adjust a call to
6545         remove_phi_node.
6546         * tree-cfg.c
6547         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6548         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6549         Likewise.
6550         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6551         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6552         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6553         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6554
6555         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6556         of GEN_INT (trunc_int_for_mode (...)).
6557         * loop-iv.c (iv_number_of_iterations): Likewise.
6558         * postreload.c (reload_cse_move2add): Likewise.
6559         * simplify-rtx.c (simplify_const_unary_operation,
6560         simplify_const_binary_operation): Likewise.
6561         * stor-layout.c (get_mode_bounds): Likewise.
6562
6563         * fold-const.c (fold_binary): New.
6564         (fold): Call fold_binary on binary expressions.
6565
6566 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6567
6568         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6569         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6570         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6571         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6572         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6573
6574 2005-03-04  Devang Patel  <dpatel@apple.com>
6575
6576         PR tree-optimization/18815
6577         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6578         loops with zero exit edges.
6579
6580 2005-03-04  Devang Patel  <dpatel@apple.com>
6581
6582         * doc/invoke.texi: Remove reference to webpage that does not exist.
6583
6584 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6585             Joseph S. Myers  <joseph@codesourcery.com>
6586
6587         PR c++/19797
6588         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6589         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6590         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6591         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6592         maybe_get_identifier instead of get_identifier.
6593         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6594         (struct deferred_plabel): Replace name field with symbol field.
6595         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6596         ASM_OUTPUT_EXTERNAL_REAL is defined.
6597         (output_global_address): Use output_addr_const for output of all
6598         symbol_refs.
6599         (output_deferred_plabels): Use symbol_ref instead of name for address
6600         output.
6601         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6602         ASM_OUTPUT_SYMBOL_REF): New macros.
6603         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6604         comment.
6605         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6606         label.
6607
6608 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6609
6610         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6611         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6612
6613 2005-03-04  Jeff Law  <law@redhat.com>
6614
6615         * basic-block.h (rediscover_loops_after_threading): Declare.
6616         * tree-ssa-dom.c: Include cfgloop.h.
6617         (tree_ssa_dominator_optimize): Discover loops and some basic
6618         properties.  Remove forwarder blocks recreated by loop header
6619         canonicalization.  Also mark backedges in the CFG.
6620         * tree-ssa-threadupdate.c: Include cfgloop.h
6621         (rediscover_loops_after_threading): Define.
6622         (struct local_info): New field, JUMP_THREADED.
6623         (prune_undesirable_thread_requests): New function.
6624         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6625         then record that fact for the callers of redirct_edges.
6626         (thread_block): If BB has incoming backedges, then call
6627         prune_undesirable_thraed_requests.    Note when we are
6628         going to have to rediscover loop information.  Return a
6629         boolean indicating if any jumps were threaded.
6630         (thread_through_all_blocks): Bubble up boolean indicating
6631         if any jumps were threaded.
6632         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6633         (tree-ssa-threadupdate.o): Similarly.
6634
6635 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6636
6637         * fold-const.c (fold_ternary): Unroll the "for" loop to
6638         extract operands.
6639
6640 2005-03-04  Andrew Haley  <aph@redhat.com>
6641
6642         * unwind-dw2-fde-glibc.c (struct
6643         unw_eh_callback_data.check_cache): New field.
6644         (frame_hdr_cache): New.
6645         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6646         Cache frame header info.
6647
6648 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6649
6650         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6651         (print_c_condition): Declare.
6652         * read-rtl.c (ptr_loc): New structure.
6653         (ptr_locs, ptr_loc_obstack, joined_conditions)
6654         (joined_conditions_obstack): New variables.
6655         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6656         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6657         (join_c_conditions, print_c_condition): New functions.
6658         (apply_macro_to_string): Associate the new string with the same
6659         source location as the old one.
6660         (add_condition_to_string): Use join_c_conditions.
6661         (read_string): Use set_rtx_ptr_loc to record a filename and line
6662         number for the string.
6663         (read_rtx): Initialize the new variables above.
6664         * genattrtab.c (write_test_expr, write_attr_value): Use
6665         print_c_condition.
6666         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6667         comment above the GCC_VERSION check.
6668         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6669         Inline the definition of MAYBE_EVAL.
6670         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6671         * genoutput.c (process_template): Likewise.
6672         * genpreds.c (write_predicate_subfunction): Likewise.
6673         (write_predicate_expr): Use print_c_condition.
6674         * genrecog.c (write_cond): Likewise.
6675         * gensupport.c (process_rtx): Use join_c_conditions to join the
6676         conditions of a define_insn_and_split.  Record a source location
6677         for the string after the "&&".
6678         (alter_test_for_insn): Use join_c_conditions.
6679
6680 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6681
6682         Revert for now:
6683         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6684         PR tree-optimization/15784
6685         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6686         and -1 - A to ~A.
6687
6688 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6689
6690         * gcc.c (option_map): Add --coverage.
6691         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6692         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6693         * config/darwin.h: Pass -lgcov for `coverage'.
6694         * doc/invoke.texi (Debugging Options): Document --coverage.
6695
6696 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6697
6698         * gcse.c (bypass_block): Use find_edge wherever possible.
6699
6700 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6701
6702         Fix PR debug/20253
6703
6704         * c-opts.c (c_common_parse_file): Call start_source_file
6705         and end_source_file at the approriate times.
6706
6707         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6708         the main file, it will be done for us now.
6709
6710 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6711
6712         * fold-const.c (fold_ternary): New.
6713         (fold): Call fold_ternary on ternary expressions.  Remove
6714         handling of ternary expressions.
6715
6716 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6717
6718         PR tree-optimization/15784
6719         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6720         and -1 - A to ~A.
6721
6722 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6723
6724         * config/rs6000/predicates.md (branch_comparison_operator):
6725         Convert from C block to conditional format.
6726
6727 2005-03-03  Jan Hubicka  <jh@suse.cz>
6728
6729         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6730         and non-constant public variables.
6731
6732 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6733
6734         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6735         with LABEL_EXPR.
6736
6737         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6738         EDGE_I.
6739
6740         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6741         calls to release_ssa_name and release_phi_node.
6742
6743         * fold-const.c (fold): Remove handling of unary expressions.
6744
6745         * fold-const.c (fold_unary): Avoid directly using the original
6746         expression t as much as possible.
6747
6748 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6749             Andrew Pinski  <pinskia@physics.uc.edu>
6750
6751         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6752         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6753
6754 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6755
6756         Describe special registers SRP and MOF as allocatable registers.
6757         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6758         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6759         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6760         TARGET_HAS_MUL_INSNS.
6761         (cris_print_operand) <case 'd'>: New case.
6762         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6763         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6764         define.
6765         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6766         (REG_ALLOC_ORDER): Update for MOF.
6767         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6768         SPECIAL_REGS.
6769         (GENERAL_REGS): No longer a define of ALL_REGS.
6770         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6771         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6772         Adjust accordingly.
6773         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6774         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6775         (SECONDARY_RELOAD_CLASS): Define.
6776         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6777         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6778         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6779         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6780         (REGISTER_MOVE_COST): Define.
6781         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6782         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6783         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6784         (CRIS_MOF_REGNUM): New define_constants.
6785         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6786         special registers.
6787         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6788         New patterns.
6789         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6790         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6791         Adjust for MOF being properly described as a register.
6792         (indir_to_reg_split): Name this split.  Conditionalize on the
6793         destination register being a general register.
6794         (movei): Conditionalize on on operands 0 and 1 having the same
6795         register class.
6796
6797 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6798
6799         PR target/20277
6800         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6801         -mcpu to override any other explicitly given flags.
6802
6803 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6804
6805         * recog.c (verify_changes, confirm_change_group): New functions,
6806         broken out of apply_change_group.
6807         (apply_change_group): Use them.
6808         * recog.h (verify_change, confirm_change_group): Declare.
6809         * rtl.h (redirect_jump_2): Declare.
6810         * jump.c (redirect_exp, invert_exp): Delete.
6811         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6812         (redirect_jump_2): New function, broken out of redirect_jump.
6813         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6814         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6815         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6816
6817 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6818
6819         * varasm.c (named_section): Use xstrdup rather than doing it by
6820         hand.
6821
6822         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6823
6824 2005-03-02  Devang Patel  <dpatel@apple.com>
6825
6826         Undo PR tree-optimization/18815 fix.
6827
6828 2005-03-02  Devang Patel  <dpatel@apple.com>
6829
6830         PR tree-optimization/18815
6831         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6832         loops with zero exit edges.
6833
6834 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6835
6836         * cfg.c (connect_src, connect_dest, disconnect_src,
6837         disconnct_dest): New.
6838         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6839         redirect_edge_pred): Use the new functions.
6840
6841         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6842         free_dominance_info only when needed.
6843
6844 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6845
6846         PR target/20276
6847         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6848         (reg_or_sub_cint64_operand): Same.
6849
6850 2005-03-02  Jeff Law  <law@redhat.com>
6851
6852         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6853         CFG_ALTERED in the main DOM iteration loop.
6854
6855 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6856
6857         PR c++/19916
6858         * varasm.c (initializer_constant_valid_p): Allow conversions
6859         between OFFSET_TYPEs.  Tidy.
6860
6861 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6862
6863         * config/cris/cris.md ("return"): Remove epilogue delay list
6864         sanity check.
6865
6866 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6867
6868         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6869         for Thumb.
6870         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6871
6872 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6873
6874         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6875         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6876         config/m68k/m68k.c, config/mips/mips.h,
6877         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6878         doc/include/gcc-common.texi: Update copyright.
6879
6880         PR middle-end/18029 and PR middle-end/18030
6881         * expr.c (optimize_bitfield_assignment_op): Add a special case
6882         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6883
6884         * fold-const.c (fold_unary): New.
6885         (fold): Call fold_unary on unary expressions.
6886
6887 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6888
6889         * cgraph.h (struct cgraph_edge): Add prev_caller and
6890         prev_callee fields.
6891         (cgraph_node_remove_callees): Export.
6892         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6893         and prev_callee.
6894         (cgraph_edge_remove_callee): New function.
6895         (cgraph_edge_remove_caller): Likewise.
6896         (cgraph_remove_edge): Use.
6897         (cgraph_redirect_edge_callee): Likewise.
6898         (cgraph_node_remove_callees): New function.
6899         (cgraph_node_remove_callers): Likewise.
6900         (cgraph_remove_node): Use.
6901         * tree-optimize.c (tree_rest_of_compilation): Use
6902         cgraph_node_remove_callees instead of manual loop.
6903         * cgraphunit.c (cgraph_finalize_function): Likewise.
6904         (cgraph_expand_function): Likewise.
6905         (cgraph_remove_unreachable_nodes): Likewise.
6906
6907 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6908
6909         PR c/8927
6910         * c-tree.h (undeclared_variable, build_external_ref): Add extra
6911         argument.
6912         * c-decl.c (undeclared_variable): Take location as argument.
6913         * c-typeck.c (build_external_ref): Likewise.
6914         * c-parser.c (c_parser_postfix_expression): Pass location of
6915         identifier to build_external_ref.
6916
6917 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6918
6919         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
6920         CCEQ mode for branch_positive_comparison_operator test.
6921         * config/rs6000/predicates (branch_comparison_operator): Revert to
6922         define_predicate.
6923         (scc_comparison_operator): Same.
6924         (branch_positive_comparison_operator): Same.
6925
6926 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
6927
6928         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
6929         (cris_delay_slots_for_epilogue): Remove.
6930         (save_last): Move into cris_target_asm_function_epilogue.
6931         (cris_target_asm_function_epilogue): Remove tests for file being
6932         NULL.
6933         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
6934         (cris_delay_slots_for_epilogue): Remove prototypes.
6935         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
6936         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
6937
6938 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6939
6940         * config/rs6000/predicates.md (branch_comparison_operator): Change
6941         to define_special_predicate.
6942         (scc_comparison_operator): Same.
6943         (branch_positive_comparison_operator): Same.
6944
6945 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
6946
6947         * Makefile.in (tree-ssa-sink.o): New.
6948         (OBJS-common): Add tree-ssa-sink.o.
6949         * common.opt: Add -ftree-sink
6950         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
6951         * timevar.def (TV_TREE_SINK): new timevar.
6952         * tree-flow.h (is_hidden_global_store): Prototype.
6953         * tree-optimize.c (init_tree_optimization_passes): Add
6954         pass_sink_code.
6955         * tree-pass.h (pass_sink_code): New.
6956         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
6957         for non-obvious global store store to is_hidden_global_store, and
6958         call that new function.
6959         * tree-ssa-sink.c: New file.
6960         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
6961         * doc/passes.texi: Document forward store motion.
6962         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
6963         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
6964         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
6965         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
6966
6967 2005-03-01  Per Bothner  <per@bothner.com>
6968
6969         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
6970         and we have a non-zero column-number, add it to the message.
6971         Also factor out the diagnostic_kind_text.
6972
6973 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6974
6975         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6976         flow_loop_pre_header_scan, flow_loop_pre_header_find,
6977         flow_loop_scan): Removed.
6978         (flow_loop_dump): Do not dump removed fields.
6979         (flow_loop_free): Do not free removed fields.
6980         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
6981         (loop_exit_edge_p): New function.
6982         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
6983         num_pre_header_edges, entry_edges, num_entries, exit_edges,
6984         num_exits, exits_doms.
6985         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
6986         LOOP_EDGES, LOOP_ALL): Removed.
6987         (flow_loop_scan): Declaration removed.
6988         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
6989         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
6990         flow_loops_find.
6991         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
6992         (if_convert): Call flow_loops_find and flow_loops_free
6993         when calling mark_loop_exit_edges.
6994         * cfgloopanal.c (mark_loop_exit_edges): Moved from
6995         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
6996         free_dominance_info calls.
6997         * loop-init.c (flow_loops_find): Ditto.
6998         * passes.c (rest_of_handle_branch_prob): Ditto.
6999         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7000         * loop-unroll.c (analyze_insns_in_loop): Do not use
7001         EDGE_LOOP_EXIT.
7002         * predict.c (predict_loops): Do not call flow_loop_scan.
7003         Use get_loop_exit_edges.
7004         (tree_estimate_probability): Do not pass flags to flow_loops_find.
7005         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7006         Do not use EDGE_LOOP_EXIT.
7007         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7008         to bb_with_exit_edge_p.
7009         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
7010         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
7011         to bb_with_exit_edge_p.
7012         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
7013         EDGE_LOOP_EXIT.
7014         * tree-loop-linear.c (linear_transform_loops): Do not call
7015         flow_loop_scan.  Use loop->single_exit.
7016         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7017         (vect_analyze_loop_form): Do not call flow_loop_scan.
7018         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7019         loop->single_exit.
7020         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7021         loop->single_exit.
7022         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7023         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7024         slpeel_tree_duplicate_loop_to_edge_cfg,
7025         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7026         Use loop_preheader_edge and loop->single_exit.  Do not call
7027         flow_loop_scan.
7028
7029 2005-03-01  Nick Clifton  <nickc@redhat.com>
7030
7031         * config/arm/arm.c (thumb_find_work_register): Check all of the
7032         argument registers to see if they are free, and a couple of
7033         special cases where the last argument register but can be proved
7034         to be available during the function's prologue.
7035         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7036         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7037         thumb_unexpanded_epilogue): Use unsigned long as the type for the
7038         register bit-mask.
7039         (thumb_compute_save_reg_mask): Likewise.  Also use
7040         thumb_find_work_register() to ensure that there is agreement about
7041         which work register is going to be used in the prologue.
7042         (thumb_output_function_prologue): Use unsigned long as the type
7043         for the register bit-mask.  Also delay pushing the link register if
7044         other high registers are going to be pushed.
7045         (thumb_compute_save_reg_mask, emit_multi_reg_push,
7046         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7047         redundant prototypes.
7048
7049 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
7050
7051         PR target/19819
7052         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7053         and after reload in REG+REG indexed addresses without REG_POINTER
7054         set in the base and not set in the index.
7055
7056 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7057
7058         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7059         Don't undefine here.
7060         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7061         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7062         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7063         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7064         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7065         Delete.
7066         * config.gcc (sh*-*-linux*): Use config/linux.h.
7067
7068 2005-02-28  Dale Johannesen  <dalej@apple.com>
7069             Stan Shebs  <shebs@apple.com>
7070
7071         Rewrite of 64-bit Darwin structure-by-value pass/return.
7072         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7073         intoffset, use_stack, named.
7074         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
7075         (rs6000_darwin64_record_arg_advance_flush):  New.
7076         (rs6000_darwin64_record_arg_advance_recurse): New.
7077         (rs6000_darwin64_record_arg_flush):  New.
7078         (rs6000_darwin64_record_arg_recurse):  New.
7079         (rs6000_darwin64_record_arg):  New.
7080         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
7081         (function_arg_boundary):  Handle 128-bit aligned structs.
7082         (function_arg_advance):  Rewrite darwin64 struct handling.
7083         (function_arg):  Call rs6000_darwin64_record_arg.
7084         (function_arg_partial_nregs):  Handle darwin64 structs.
7085         (rs6000_darwin64_function_value):  Remove.
7086         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
7087
7088 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7089
7090         PR tree-optimization/20216
7091         * tree-chrec.c (tree_fold_factorial): Delete.
7092         (tree_fold_binomial): Change argument list to take a return type
7093         and change the type of K to unsigned int.  Rewrite to avoid explicit
7094         evaluation of factorials, and (recursively) calling fold to perform
7095         compile-time arithmetic.  Return NULL on (internal) overflow.
7096         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
7097         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
7098         if any intermediate calculation overflows.
7099         (chrec_apply): Update call to chrec_evaluate.
7100
7101 2005-02-28  James E Wilson  <wilson@specifixinc.com>
7102
7103         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
7104
7105 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
7106
7107         PR c/20245
7108         * c-parser.c (c_parser_compound_statement): Return error_mark_node
7109         instead of NULL_TREE on error.
7110
7111 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
7112
7113         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
7114         (EASY_VECTOR_15_ADD_SELF): Remove.
7115         (num_insns_constant_wide): Not static.
7116         (validate_condition_mode): Not static.
7117         (toc_relative_expr_p): Not static.
7118         (legitimate_indirect_address_p): Not static.
7119         (macho_lo_sum_memory_operand): Not static.
7120         (invalid_e500_subreg): Not static.
7121         (easy_vector_same): Not static.
7122         (easy_vector_splat_const): Not static.
7123         (RS6000_SYMBOL_REF_TLS_P): Remove.
7124         (any_operand): Delete.
7125         (any_parallel_operand): Delete.
7126         (count_register_operand): Delete.
7127         (altivec_register_operand): Delete.
7128         (xer_operand): Delete.
7129         (s8bit_cint_operand): Delete.
7130         (short_cint_operand): Delete.
7131         (u_short_cint_operand): Delete.
7132         (non_short_cint_operand): Delete.
7133         (exact_log2_cint_operand): Delete.
7134         (gpc_reg_operand): Delete.
7135         (cc_reg_operand): Delete.
7136         (cc_reg_not_cr0_operand): Delete.
7137         (reg_or_short_operand): Delete.
7138         (reg_or_neg_short_operand): Delete.
7139         (reg_or_aligned_short_operand): Delete.
7140         (reg_or_u_short_operand): Delete.
7141         (reg_or_cint_operand): Delete.
7142         (reg_or_arith_cint_operand): Delete.
7143         (reg_or_add_cint64_operand): Delete.
7144         (reg_or_sub_cint64_operand): Delete.
7145         (reg_or_logical_cint_operand): Delete.
7146         (got_operand): Delete.
7147         (got_no_const_operand): Delete.
7148         (easy_fp_constant): Delete.
7149         (easy_vector_constant): Delete.
7150         (easy_vector_constant_add_self): Delete.
7151         (zero_constant): Delete.
7152         (zero_fp_constant): Delete.
7153         (volatile_mem_operand): Delete.
7154         (offsettable_mem_operand): Delete.
7155         (mem_or_easy_const_operand): Delete.
7156         (add_operand): Delete.
7157         (non_add_cint_operand): Delete.
7158         (logical_operand): Delete.
7159         (non_logical_cint_operand): Delete.
7160         (mask_operand): Delete.
7161         (mask_operand_wrap): Delete.
7162         (mask64_operand): Delete.
7163         (mask64_2_operand): Delete.
7164         (and64_operand): Delete.
7165         (and64_2_operand): Delete.
7166         (and_operand): Delete.
7167         (reg_or_mem_operand): Delete.
7168         (lwa_operand): Delete.
7169         (symbol_ref_operand): Delete.
7170         (call_operand): Delete.
7171         (current_file_function_operand): Delete.
7172         (input_operand): Delete.
7173         (rs6000_nonimmediate_operand): Delete.
7174         (rs6000_tls_symbol_ref): Delete.
7175         (save_world_operation): Delete.
7176         (restore_world_operation): Delete.
7177         (load_multiple_operation): Delete.
7178         (store_multiple_operation): Delete.
7179         (vrsave_operation): Delete.
7180         (mfcr_operation): Delete.
7181         (mtcrf_operation): Delete.
7182         (lmw_operation): Delete.
7183         (stmw_operation): Delete.
7184         (branch_comparison_operator): Delete.
7185         (branch_positive_comparison_operator): Delete.
7186         (scc_comparison_operator): Delete.
7187         (trap_comparison_operator): Delete.
7188         (boolean_operator): Delete.
7189         (boolean_or_operator): Delete.
7190         (min_max_operator): Delete.
7191         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
7192         (EASY_VECTOR_15): Moved to here.
7193         (EASY_VECTOR_15_ADD_SELF): Move to here.
7194         (PREDICATE_CODES): Delete.
7195         * config/rs6000/rs6000-protos.h: Delete predicate functions.
7196         Declare functions no longer static.
7197         * config/rs6000/predicates.md: New.
7198         * config/rs6000/rs6000.md: Include predicates.md
7199
7200 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
7201
7202         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
7203         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
7204         REG_ALWAYS_RETURN.
7205         * cfgrtl.c (need_fake_edge_p): Likewise.
7206         * combine.c (distribute_notes): Likewise.
7207         * emit-rtl.c (try_split): Likewise.
7208         * recog.c (peephole2_opimize): Likewise.
7209         * reg-notes.def (ALWAYS_RETURN): Remove.
7210         * rtl.h (LCT_ALWAYS_RETURN): Remove.
7211         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
7212         * tree.h (ECF_ALWAYS_RETURN): Remove.
7213
7214 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7215
7216         PR middle-end/19874
7217         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
7218         between different machine modes is never a "useless" conversion.
7219
7220 2005-02-28  Geert Bosch  <bosch@gnat.com>
7221
7222         PR ada/15977
7223         * doc/contrib.texi: List contributors for Ada front end
7224
7225 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
7226
7227         * simplify-rtx.c (simplify_unary_operation_1,
7228         simplify_const_unary_operation): New, extracted from...
7229         (simplify_unary_operation): ... this one.
7230         (simplify_binary_operation_1,
7231         simplify_const_binary_operation): New, extracted from...
7232         (simplify_binary_operation): ... this one.
7233         * rtl.h (simplify_const_unary_operation,
7234         simplify_const_binary_operation): Add prototypes.
7235
7236 2005-02-28  Julian Brown  <julian@codesourcery.com>
7237
7238         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
7239         building libjava and caused PR regression/20228.
7240
7241 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
7242
7243         PR bootstrap/17383
7244         * Makefile.in (host_subdir): New.
7245         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
7246         * configure: Regenerate.
7247
7248 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
7249
7250         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
7251         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
7252         installation directory first.
7253
7254 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
7255
7256         PR target/19065.
7257         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
7258         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
7259         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7260         * config/cris/cris.md: Tweak comments referring to Q.
7261         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
7262         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
7263         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
7264         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
7265         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
7266         Insert spaces in constraints to align alternatives vertically for
7267         readability.
7268         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
7269         operand 1: "M".
7270
7271 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7272
7273         PR rtl-optimization/17728
7274         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
7275         operand 0 from general_operand to move_dest_operand.
7276
7277 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7278
7279         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
7280         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
7281         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
7282         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7283
7284 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
7285
7286         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
7287         * configure: Regenerate.
7288         * libada-mk.in: Remove CC; rename
7289         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
7290
7291 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
7292
7293         PR tree-opt/20188
7294         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
7295         for the lhs, also walk over the tree.  Likewise for rhs.
7296
7297 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
7298
7299         * tree-ssa-dom.c (simple_iv_increment_p): New function.
7300         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
7301         Do not propagate value of iv before increment over the increment.
7302
7303 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
7304
7305         * c-parser.c: New file.
7306         * c-parse.in: Remove.
7307         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
7308         Remove.
7309         (c-parser.o): Add dependencies.
7310         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
7311         maintainer-clean, TAGS): Update.
7312         * c-config-lang.in (gtfiles): Update.
7313         * gengtype-lex.l: Don't handle "@@".
7314         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
7315         objc_build_synchronized, objc_begin_try_stmt,
7316         objc_begin_catch_clause, objc_finish_catch_clause,
7317         objc_build_finally_clause, objc_finish_try_stmt): New.
7318         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
7319         type_seen_p.
7320         (c_parse_init): Update comment.
7321         * c-decl.c (c_init_decl_processing): Update comment.
7322         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7323         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
7324         new c_declspecs members.
7325
7326 2005-02-25  Julian Brown  <julian@codesourcery.com>
7327
7328         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7329         from being used for symbols with vague linkage when
7330         HAVE_GAS_COMDAT_GROUP is true.
7331
7332 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7333
7334         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
7335
7336 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
7337
7338         PR target/19930
7339         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
7340         (LIBGCC2_HAS_DF_MODE): New.
7341         (LIBGCC2_HAS_XF_MODE): New.
7342         (LIBGCC2_HAS_TF_MODE): New.
7343         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7344         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7345         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7346         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7347         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
7348         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
7349         and add _fixtfdi, _fixunstfdi, _floatditf
7350         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
7351         L_fixunstfdi, L_floatditf.
7352         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
7353         (LIBGCC2_HAS_TF_MODE): Define.
7354
7355 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
7356
7357         PR tree-optimization/20204
7358         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
7359         REWRITE_THIS_STMT markers on PHI nodes.
7360         (rewrite_initialize_block): Likewise.
7361
7362 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7363
7364         * version.c (version_string): Update to 4.1.
7365
7366 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
7367
7368         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
7369         Clarify that the alternative way doesn't work in GNU C++.
7370
7371 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7372
7373         PR tree-optimization/19937
7374         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
7375         to the type of the induction variable.
7376
7377 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7378
7379         PR rtl-optimization/20117
7380         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7381         the block including noncopyable insn.
7382
7383 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7384
7385         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7386         calls to find_reg_note.
7387
7388 2005-02-24  Richard Henderson  <rth@redhat.com>
7389
7390         PR tree-opt/20127
7391         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7392         the type.
7393
7394 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7395
7396         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7397         vector types if to use base reg for misaligned non-word ld/std.
7398
7399 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7400
7401         PR target/14619
7402         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7403         dwarf2 label manually and put it after, not before the prologue.
7404
7405 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7406
7407         PR target/19019
7408         * reload.c (operands_match_p): Only increment register number for
7409         SCALAR_INT_MODE_P modes in multiple hard registers.
7410
7411         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7412         Fix formatting.
7413
7414 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7415
7416         * ChangeLog.5: Fix log message typo(s).
7417         * ChangeLog.7: Likewise.
7418         * ChangeLog.tree-ssa: Likewise.
7419         * cfgexpand.c: Fix comment typo(s).
7420         * conflict.c: Likewise.
7421         * defaults.h: Likewise.
7422         * dwarf2out.c: Likewise.
7423         * gcse.c: Likewise.
7424         * ggc-page.c: Likewise.
7425         * tree-eh.c: Likewise.
7426         * tree-ssa-dom.c: Likewise.
7427
7428 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7429
7430         PR target/19019
7431         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7432         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7433         if SHARED is defined.
7434
7435         PR target/20196
7436         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7437         allow splitting only if operands 0 and 3 don't overlap.
7438
7439 2005-02-24  Richard Henderson  <rth@redhat.com>
7440
7441         PR middle-end/19953
7442         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7443         (fold_builtin_1): Call them.
7444         * fold-const.c (fold_complex_mult_parts): Split out from ...
7445         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7446         (fold_complex_div_parts, fold_complex_div): New.
7447         (fold): Use them.
7448         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7449
7450 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7451
7452         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7453         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7454
7455         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7456         (print_node): Likewise.
7457         Print TYPE_SIZES_GIMPLIFIED.
7458
7459 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7460
7461         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7462         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7463         operands as commutative in constraints.
7464
7465 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7466
7467         * tree-into-ssa.c: Re-organize internal functions.
7468
7469 2005-02-24  Richard Henderson  <rth@redhat.com>
7470
7471         PR middle-end/18902
7472         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7473         for c99.
7474         * common.opt (fcx-limited-range): New.
7475         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7476         * toplev.c (flag_complex_method): Initialize to 1.
7477         (process_options): Set flag_complex_method to 0 if
7478         flag_cx_limited_range.
7479         * doc/invoke.texi (-fcx-limited-range): New.
7480
7481 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7482
7483         * cse.c (delete_trivially_dead_insns): Speed up by using
7484         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7485         prev_real_insn.
7486
7487 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7488
7489         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7490         functions when -mid-shared-library is being used.
7491
7492 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7493
7494         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7495         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7496         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7497         * system.h: Poison LINK_LIBGCC_SPECIAL.
7498
7499 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7500
7501         * gengtype.c (note_insn_name): Make 1 element larger.
7502
7503 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7504
7505         PR target/20018
7506         PR rtl-optimization/20097
7507         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7508         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7509
7510 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7511
7512         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7513         * t-aix52 (SHLIB_INSTALL): Same.
7514
7515 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7516
7517         * genpreds.c: Update copyright.
7518
7519 2005-02-23  Michael Beach  <michaelb@ieee.org>
7520
7521         PR target/20159
7522         * config/sparc/t-elf (startup files): Assemble with CPP.
7523
7524 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7525
7526         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7527         (write_predicate_expr): Likewise.
7528
7529 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7530
7531         PR tree-optimization/20100
7532         PR tree-optimization/20115
7533         * tree-optimize.c (init_tree_optimization_passes): Remove
7534         pass_maybe_create_global_var.
7535         * tree-pass.h (pass_maybe_create_global_var): Remove.
7536         * tree-ssa-alias.c (aliases_computed_p): Declare.
7537         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7538         (count_calls_and_maybe_create_global_var): Remove.
7539         (pass_maybe_create_global_var): Remove.
7540         (init_alias_info): Do not declare aliases_computed_p.
7541         (maybe_create_global_var): If the function contains no
7542         call-clobbered variables and a mix of pure/const and regular
7543         function calls, create .GLOBAL_VAR.
7544         Mark all call-clobbered variables for renaming.
7545         (merge_pointed_to_info): Update comment.
7546         (add_pointed_to_var): Likewise.
7547         (is_escape_site): Likewise.
7548         Accept struct alias_info * instead of size_t *.
7549         Update all users.
7550         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7551         as necessary.
7552         * tree-ssa-operands.c (get_call_expr_operands): If
7553         ALIASES_COMPUTED_P is false, do not add call-clobbering
7554         operands.
7555         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7556         (delete_tree_ssa): Likewise.
7557
7558 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7559
7560         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7561         (do_compile): Do call it here.
7562
7563 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7564
7565         PR rtl-optimization/20017.
7566         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7567         rest_of_handle_cse2, rest_of_handle_gcse): Call
7568         delete_dead_jumptables immediately before calling cleanup_cfg.
7569
7570 2005-02-22  Devang Patel  <dpatel@apple.com>
7571
7572         PR 19952
7573         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7574         all labels
7575
7576 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7577
7578         * config/rs6000/aix.h (WINT_TYPE): Define.
7579
7580 2005-02-22  Stan Shebs  <shebs@apple.com>
7581
7582         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7583         natural alignment for 64-bit Darwin.
7584         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7585         on 64-bit Darwin.
7586         * doc/invoke.texi: Document this.
7587
7588 2005-02-22  DJ Delorie  <dj@redhat.com>
7589
7590         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7591         to make_[un]signed_type, not the mode itself.
7592
7593 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7594
7595         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7596         not available.  Use tail calls wherever possible.
7597         (make_edge): Call unchecked_make_edge to create an edge.
7598
7599         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7600         (coalesce_ssa_name): Don't check for
7601         SSANORM_USE_COALESCE_LIST.
7602         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7603
7604 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7605
7606         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7607         (rewrite_into_ssa): ... here.
7608
7609 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7610
7611         PR tree-optimization/19786
7612         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7613         tag to another's may-alias bitmap when adding to the other's list.
7614
7615 2005-02-21  DJ Delorie  <dj@redhat.com>
7616
7617         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7618         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7619         registers in unsupported ways.
7620         * expmed.c (init_expmed): Likewise.
7621
7622 2005-02-21  Stan Cox  <scox@redhat.com>
7623
7624         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7625
7626 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7627
7628         * tree-cfg.c (fold_cond_expr_cond): New.
7629         (make_edges): Call fold_cond_expr_cond.
7630         (find_taken_edge): Accept nothing but INTEGER_CST.
7631         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7632         and 1.
7633         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7634
7635         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7636         that do not belong to any basic block.
7637
7638 2005-02-21  Jeff Law  <law@redhat.com>
7639
7640         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7641         e->dest.
7642
7643 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7644
7645         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7646         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7647         Adjust their definitions.
7648         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7649         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7650
7651         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7652         genautomata.c, langhooks.c, langhooks.h, system.h,
7653         config/arm/lib1funcs.asm: Update copyright.
7654
7655 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7656
7657         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7658
7659 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7660
7661         PR bootstrap/13770
7662         * doc/install.texi: Document --with-gc.
7663
7664 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7665
7666         * simplify-rtx.c (simplify_unary_operation): Add a missing
7667         "break" statement.
7668
7669 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7670
7671         PR tree-optimization/18663
7672         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7673         if the type has variable bounds.
7674
7675 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7676
7677         * gcse.c: Remove an obsolete comment.
7678
7679         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7680
7681 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7682
7683         * doc/extend.texi (Function Attributes) <Attribute const>: The
7684         attribute "pure" is below this text, not above.
7685
7686 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7687
7688         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7689         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7690         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7691
7692 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7693
7694         PR 18785
7695         * langhooks.h (struct lang_hooks): Add to_target_charset.
7696         * langhooks.c (lhd_to_target_charset): New function.
7697         * langhooks-def.h: Declare lhd_to_target_charset.
7698         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7699         (LANG_HOOKS_INITIALIZER): Update.
7700         * c-common.c (c_common_to_target_charset): New function.
7701         * c-common.h: Declare it.
7702         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7703         c_common_to_target_charset.
7704
7705         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7706         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7707         Delete definitions.
7708         * system.h: Poison them.
7709         * doc/tm.texi: Don't discuss them.
7710         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7711         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7712         (pp_c_char): Do not attempt to generate letter escapes for
7713         newline, tab, etc.
7714         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7715         * config/mips/mips.c (mips_output_ascii): Likewise.
7716
7717 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7718
7719         PR tree-optimization/19951
7720         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7721         is abnormal.
7722
7723 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7724
7725         PR middle-end/19698
7726         * function.h (struct function): New field `max_loop_depth'.
7727         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7728         (flow_loops_find): Reset the max loop depth count before finding loops.
7729         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7730         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7731         (calculate_global_regs_live): Make sure the loop will terminate
7732         when the initial sets are not empty.
7733
7734 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7735
7736         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7737         object inside.
7738         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7739
7740 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7741
7742         PR other/19525
7743         * doc/invoke.texi: Remove documentation of %M spec.
7744         * gcc.c: Likewise.
7745         (init_spec): Remove %M suffix from -lgcc_s.
7746         (do_spec_1): Remove 'M' case.
7747         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7748         to put shared libraries in the multilib directory.  Remove the
7749         shlib_so_soname substitution variable.  Don't add a multilib encoding
7750         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7751         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7752         SHLIB_INSTALL as well as SHLIB_LINK.
7753         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7754         (SHLIB_NAME): Delete.
7755         (SHLIB_DIR): New macro.
7756         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7757         (SHLIB_INSTALL): Adjust accordingly.
7758         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7759         * config/t-slibgcc-sld: Likewise.
7760         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7761         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7762         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7763         in $(SHLIB_DIR).
7764         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7765         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7766         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7767         Use @shlib_base_name@ instead of @shlib_so_name@.
7768         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7769         and @shlib_base_name@.so in @multilib_dir@.
7770         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7771         to the install path.
7772         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7773         (SHLIB_LINK): Remove previous workaround.
7774         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7775         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7776         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7777         the install path.
7778         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7779         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7780         (SHLIB_INSTALL): Adjust accordingly.
7781         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7782         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7783         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7784         config/t-slibgcc-elf-ver.
7785
7786 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7787             Jakub Jelinek  <jakub@redhat.com>
7788
7789         PR tree-optimization/19828
7790         * tree-ssa-loop-im.c: Add a TODO comment.
7791         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7792         without side-effects.
7793
7794 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7795
7796         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7797         call fold_convert.
7798
7799 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7800
7801         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7802         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7803         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7804         functions.
7805         (ia64_reorg): Delete fixup_errata call.
7806         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7807         (TARGET_SWITCHES): Delete -mb-step entry.
7808
7809 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7810
7811         PR c/20043
7812         * c-typeck.c (composite_type): Handle quals in transparent unions.
7813         (type_lists_compatible_p): Likewise.
7814
7815 2005-02-18  Stan Shebs  <shebs@apple.com>
7816
7817         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7818         expressions in the .literal8 section.
7819
7820 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7821
7822         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7823
7824 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7825
7826         * fold-const.c (constant_boolean_node): Always create values of the
7827         specified type, don't bother calling truthvalue_conversion.
7828
7829 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7830
7831         * except.c (output_function_exception_table): Call
7832         assemble_external_libcall (eh_personality_libfunc).
7833
7834 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7835
7836         PR target/19886
7837         * config/ia64/ia64.h (struct machine_function): Add state_num.
7838         * config/ia64/ia64.c (process_epilogue,
7839         process_for_unwind_directive): Use new unwind state numbers each
7840         time rather than state 1.
7841
7842 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7843
7844         PR target/20054
7845         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7846         before the "*llgt_didi" pattern.
7847
7848 2005-02-18  Jason Merrill  <jason@redhat.com>
7849
7850         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7851
7852 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7853
7854         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7855         (div0): Use it in place of ARM_FUNC_ALIAS.
7856         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7857
7858 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7859
7860         PR middle-end/20030
7861         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7862         access, the lower bound of the array type if it exists.
7863
7864 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7865
7866         PR c++/20008
7867         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7868         cases that are out-of-range for the index type.
7869
7870 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7871
7872         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7873         (estimate_case_costs): Don't call convert.
7874         * expmed.c (expand_shift): Likewise.
7875         (make_tree): Call fold_convert instead of convert.
7876
7877 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7878
7879         PR c++/19813
7880         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7881         that ref to be marked MEM_READONLY_P doesn't have base that needs
7882         constructing.
7883
7884 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7885
7886         * genautomata.c (output_get_cpu_unit_code_func,
7887         output_cpu_unit_reservation_p): Don't generate old-style function
7888         definitions.
7889
7890 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7891
7892         PR c++/20023
7893         PR tree-optimization/20009
7894         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7895
7896         PR tree-optimization/18947
7897         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7898         inline, remove all nodes that are inlined into the extern inline
7899         being redefined.
7900
7901 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7902
7903         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7904         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7905         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7906         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7907         Update copyright.
7908
7909 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7910
7911         PR tree-optimization/19917
7912         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
7913         to be potentially trapping.
7914
7915 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7916
7917         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
7918
7919 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7920
7921         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
7922         tem becomes a local variable which is set to the value of the
7923         back end defined INITIAL_FRAME_ADDRESS macro.
7924         (expand_builtin_frame_address): Omit the base parameter to
7925         expand_builtin_return_addr.
7926         (expand_builtin_profile_func): Likewise.
7927         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
7928         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
7929         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
7930
7931 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
7932
7933         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
7934         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
7935         * config/frv/frv.c (frv_function_epilogue): Likewise.
7936
7937 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
7938
7939         * lambda-code (perfect_nestify): Remove mark/unmark
7940         for rewriting hack.
7941         * tree-loop-linear.c (linear_transform_loops): Add
7942         rewrite_into_ssa call so that ssa is correct for
7943         rewriting into loop closed.
7944
7945 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
7946
7947         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
7948         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
7949         BITMAP_FREE.
7950         * bt-load.c (btr_def_live_range, combine_btr_defs,
7951         migrate_btr_def, migrate_btr_defs): Likewise.
7952         * cfgcleanup.c (thread_jump): Likewise.
7953         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
7954         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
7955         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
7956         df_rd_local_compute, df_reg_info_compute): Likewise.
7957         * dominance.c (init_dom_info, free_dom_info): Likewise.
7958         * flow.c (init_propagate_block_info,
7959         free_propagate_block_info): Likewise.
7960         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
7961         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
7962         modify_reg_pav): Likewise.
7963         * loop-invariant.c (find_defs, find_invariant_insn,
7964         find_invariants, free_inv_motion_data): Likewise.
7965         * predict.c (tree_predict_by_opcode,
7966         estimate_bb_frequencies): Likewise.
7967         * stmt.c (expand_case): Likewise.
7968         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
7969         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
7970         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
7971         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
7972         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
7973         rewrite_ssa_into_ssa): Likewise.
7974         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7975         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
7976         analyze_edges_for_bb, perform_edge_inserts): Likewise.
7977         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
7978         * tree-sra.c (tree_sra): Likewise.
7979         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
7980         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7981         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
7982         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
7983         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
7984         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
7985         Likewise.
7986         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
7987         calculate_live_on_entry, calculate_live_on_exit,
7988         build_tree_conflict_graph): Likewise.
7989         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
7990         record_important_candidates, set_use_iv_cost, find_depends,
7991         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
7992         tree_ssa_iv_optimize_finalize): Likewise.
7993         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
7994         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
7995         tree_duplicate_loop_to_header_edge): Likewise.
7996         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
7997         * tree-ssa.c (verify_flow_insensitive_alias_info,
7998         verify_name_tags, verify_ssa, init_tree_ssa,
7999         delete_tree_ssa): Likewise.
8000         * tree-ssanames.c (marked_ssa_names, init_ssanames,
8001         fini_ssanames): Likewise.
8002         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8003
8004 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
8005
8006         * config/rs6000/t-rtems: Completely reworked.
8007
8008 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8009
8010         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8011
8012 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8013
8014         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8015         POINTER_TYPE_P when checking that type is a pointer.
8016         (vect_get_memtag): Remove.
8017         (vect_address_analysis): Use POINTER_TYPE_P. Call
8018         vect_object_analysis with dummy parameter for memtag.
8019         (vect_object_analysis): Extract memtag (functionality that
8020         used to be in vect_get_memtag and moved here). Fix printings.
8021         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8022         with correct parameters. Remove call to vect_get_memtag.
8023
8024 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
8025
8026         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8027         (tree-vectorizer.o): Added missing dependencies.
8028
8029         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8030         decleration.
8031         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8032         declaration in tree-vectorizer.c, now has an extern declaration in
8033         tree-vectorizer.h).
8034         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8035         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8036         get_vectype_for_scalar_type, vect_is_simple_use,
8037         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8038         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8039         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8040         vectorizable_store, vectorizable_operation, vectorizable_assignment,
8041         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8042         find_loop_location): Likewise.
8043
8044         * tree-vectorizer.c (langhooks.h): #include removed.
8045         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8046         moved to tree-vectorized.h.
8047         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8048         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8049         get_vectype_for_scalar_type, vect_is_simple_use,
8050         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8051         vect_supportable_dr_alignment, new_loop_vec_info,
8052         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8053         vect_set_verbosity_level, find_loop_location): Likewise.
8054
8055         (vect_analyze_loop): Function externalized. Declaration moved to
8056         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8057         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8058         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8059         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8060         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8061         vect_enhance_data_refs_alignment, vect_analyze_operations,
8062         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8063         vect_stmt_relevant_p, vect_get_loop_niters,
8064         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8065         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8066         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8067         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8068         vect_get_memtag): Likewise.
8069
8070         (vectorizable_load): Function externalized. Declaration moved to
8071         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8072         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8073         vect_transform_loop): Likewise.
8074         (vect_transform_stmt): Moved to tree-vect-transform.c.
8075         (vect_align_data_ref, vect_create_destination_var,
8076         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8077         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8078         vect_get_vec_def_for_operand, vect_init_vector,
8079         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8080         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8081         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8082         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8083         vect_do_peeling_for_loop_bound): Likewise.
8084
8085         * tree-vect-analyze.c: New file.
8086         * tree-vect-transform.c: New file.
8087
8088 2005-02-17  Jason Merrill  <jason@redhat.com>
8089
8090         PR mudflap/19319, c++/19317
8091         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8092         slot explicit.
8093
8094 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
8095
8096         * doc/install.texi (Specific): Update link for Darwin-specific
8097         tool binary site.
8098
8099 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
8100
8101         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
8102         constant_boolean_node.
8103
8104 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
8105
8106         PR target/19019
8107         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
8108         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
8109
8110 2005-02-16  Richard Henderson  <rth@redhat.com>
8111
8112         PR 19920
8113         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
8114         with W_TYPE_SIZE.
8115         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
8116         replace uses with Wtype_MAXp1_F.
8117         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
8118         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
8119         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
8120         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
8121         and HAVE_TFMODE as appropriate.
8122         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
8123         (__floatdisf): Likewise.
8124         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
8125         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
8126         (Wtype_MAXp1_F): New.
8127         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
8128         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
8129
8130 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
8131
8132         * PR target/19162
8133         * arm.c (arm_apply_result_size): New function.
8134         * arm.h (APPLY_RESULT_SIZE): Define.
8135         * arm-protos.h (arm_apply_result_size): Add prototype.
8136         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
8137         (movxf): New expand.
8138         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
8139         (call_value_symbol): Remove predicate for operand 0.
8140         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
8141         (untyped_call): Rework to correclty return values for any type.
8142         (untyped_return): New expand.
8143         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
8144
8145 2005-02-16  Stan Shebs  <shebs@apple.com>
8146
8147         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
8148         * config/rs6000/t-darwin8: New, for 64-bit multilib.
8149
8150 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8151
8152         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
8153         configure settings on Solaris 7 and later.
8154
8155 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
8156
8157         PR tree-optimization/19865
8158         * tree-optimize.c (init_tree_optimization_passes): Run
8159         pass_may_alias after pass_sra.
8160
8161 2005-02-16  Richard Henderson  <rth@redhat.com>
8162             Stuart Hastings  <stuart@apple.com>
8163
8164         PR debug/19521
8165         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
8166         Do nothing if debug info suppressed for this function.
8167         (dbxout_begin_function): Early exit if debug info suppressed for
8168         this function.
8169
8170 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
8171
8172         PR target/20007
8173         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
8174         find_basic_blocks.
8175         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
8176
8177         PR tree-optimization/19967
8178         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
8179         expand_builtin_strchr, expand_builtin_strrchr): Take a new
8180         argument TYPE.  Adjust calls to fold_builtin_XXX.
8181         (expand_builtin, fold_builtin_1): Adjust calls to
8182         expand_builtin_XXX.
8183         (fold_builtin_strchr, fold_builtin_strpbrk,
8184         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
8185         result to a requested type TYPE.
8186
8187 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
8188
8189         PR middle-end/19857
8190         * fold-const.c (fold): Don't optimize (T)(x & cst) to
8191         (T)x & (T)cst if (T)cst overflows.
8192         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
8193         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
8194
8195 2005-02-15  Jeff Law  <law@redhat.com>
8196
8197         * gcse.c (blocks_with_calls): New bitmap.
8198         (alloc_gcse_mem): Allocate it.
8199         (free_gcse_mem): Free it.
8200         (clear_modifY_mem_tables): Clear it.
8201         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
8202         when we encounter CALL_INSNs.
8203         (compute_transp, case MEM): Handle blocks with calls separate
8204         from blocks without calls.  Use bitmap iterators rather than
8205         FOR_EACH_BB.
8206
8207 2005-02-15  Peter O'Gorman  <peter@pogma.com>
8208
8209         PR bootstrap/18810
8210         * mklibgcc.in (vis_hide): Use a temporary object file, not
8211         -o /dev/null.
8212
8213 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8214
8215         PR target/19924
8216         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
8217         access optimization.
8218
8219 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
8220             Alan Modra  <amodra@bigpond.net.au>
8221
8222         PR target/19019
8223         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
8224         (_xlqsub): Rename to __gcc_qsub.
8225         (_xlqmul): Rename to __gcc_qmul.
8226         (_xlqdiv): Rename to __gcc_qdiv.
8227         Provide versioned symbol aliases with old names.
8228         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
8229         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
8230         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
8231         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
8232         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
8233
8234 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8235
8236         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
8237         Fold ~(A - 1) and ~(A + -1) to -A.
8238
8239 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8240
8241         PR pch/14940
8242         PR target/19300
8243         * config/host-linux.c (linux_gt_pch_use_address): Copy from
8244         config/pa/pa-host.c:pa_gt_pch_use_address.
8245
8246 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
8247
8248         * tree-vn.c (get_value_handle): Make sure that given an
8249         is_gimple_min_invariant expression, we always return it.
8250
8251 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8252
8253         * passes.c (rest_of_handle_gcse): Fix a comment.
8254
8255 2005-02-15  Jeff Law  <law@redhat.com>
8256
8257         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
8258         bitmap.
8259         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
8260         (canon_list_insert, record_last_mem_set_info): Similarly.
8261         (clear_modify_mem_tables): Similarly.
8262
8263 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8264
8265         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
8266         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
8267         config/mips/mips.md, config/rs6000/aix.h,
8268         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
8269
8270 2005-02-15  Richard Henderson  <rth@redhat.com>
8271
8272         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
8273         call to be best_edge.
8274
8275 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8276
8277         * basic-block.h: Adjust the prototype for find_basic_blocks.
8278         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
8279         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
8280         find_basic_blocks.
8281
8282         * flow.c (recompute_reg_usage): Remove all arguments.
8283         * passes.c (rest_of_compilation): Adjust the call to
8284         recompute_reg_usage.
8285         * rtl.h: Adjust the prototype for recompute_reg_usage.
8286
8287 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
8288
8289         * tree-dump.c (dump_files): Update to reflect new member
8290         of dump_file_info.
8291         (dump_register): Add new argument.
8292         Set glob name.
8293         (dump_switch_p_1): Check against glob name if doglob was passed.
8294         (dump_switch_p): Check against regular first, then glob if
8295         we didn't have any hits on the dump name.
8296         * tree-optimize.c (register_one_dump_file):
8297         Pass in glob name as well.
8298         * tree-pass.h (struct dump_file_info): Add glob
8299         member.
8300
8301 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
8302
8303         PR preprocessor/16323
8304         * doc/invoke.texi: Document that -Wendif-labels is on by default.
8305
8306 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
8307
8308         PR target/19019
8309         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
8310         (trunctfdf2_internal1): New.
8311         (trunctfdf2_internal2): Renamed from trunctfdf2.
8312
8313 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
8314
8315         PR tree-optimization/19853
8316         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
8317
8318 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8319
8320         * passes.c (rest_of_handle_loop_optimize): Remove calls to
8321         delete_dead_jumptables and cleanup_cfg.
8322
8323 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
8324
8325         * reload.c (find_reloads): Swap address_reloaded flags when
8326         swapping commutative operands.
8327
8328 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
8329
8330         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
8331         Use standard_iv_increment_position for computing the bsi position
8332         for create_iv.
8333         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
8334         the bsi position.
8335
8336 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
8337
8338         PR target/17428
8339         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
8340         life range of hard registers.
8341         * value-prof.c (insn_prefetch_values_to_profile): Only
8342         scan normal insns.
8343
8344         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
8345         profile in libcalls.
8346
8347 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
8348
8349         * bitmap.h (bitmap_and_compl_into): Return bool.
8350         * bitmap.c (bitmap_and_compl_into): Return changed flag.
8351
8352 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8353
8354         PR tree-optimization/19944
8355         * fold-const.c (fold): Re-add ABS_EXPR folding.
8356
8357 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
8358
8359         PR target/19019
8360         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
8361         {TARGET,MASK}_XL_COMPAT.
8362         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
8363         MASK_XL_COMPAT.
8364         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
8365         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
8366         TARGET_XL_COMPAT.
8367         (rs6000_arg_partial_bytes): Same.
8368         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
8369         and XL compatibility enabled.
8370         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
8371         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
8372         test to final condition.
8373         (cmptf_internal2): New.
8374         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
8375         xl-compat.  Add TFmode information to description.
8376
8377 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
8378
8379         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8380
8381 2005-02-13  Jason Merrill  <jason@redhat.com>
8382
8383         PR c++/16405
8384         * fold-const.c (fold_indirect_ref_1): Split out from...
8385         (build_fold_indirect_ref): Here.
8386         (fold_indirect_ref): New fn.
8387         * tree.h: Declare it.
8388         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8389         (gimplify_modify_expr_rhs): Likewise.
8390         (gimplify_expr): Likewise.
8391
8392 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8393
8394         PR tree-optimization/14303
8395         PR tree-optimization/15784
8396         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8397         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8398         ABS_EXPR<x> != 0 to x != 0.
8399
8400 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8401
8402         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8403         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8404         spelling conventions.
8405
8406         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8407         delete_trivially_dead_insns too many times.
8408
8409         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8410         tem and tem2.
8411
8412 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8413
8414         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8415         (vect_is_simple_iv_evolution): Remove redundant parameter
8416         and step check.
8417         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8418         without last parameter.
8419         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8420         Return pointer step. Call vect_is_simple_iv_evolution without
8421         last parameter. Check only that the step is multiple of size
8422         type. Remove stmt_vinfo updates.
8423         (vect_get_memtag_and_dr): Remove.
8424         (vect_get_memtag): New function.
8425         (vect_address_analysis): New function.
8426         (vect_object_analysis): New function.
8427         (vect_analyze_data_refs): Call vect_object_analysis and
8428         vect_get_memtag. Update stmt_vinfo fields.
8429
8430 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8431
8432         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8433         exist and are objects. Remove checks for pointer.
8434         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8435         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8436         (vect_create_data_ref_ptr): Likewise.
8437         (vect_base_addr_differ_p): New function.
8438         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8439         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8440         Don't set the DR_BASE_NAME field of data-ref.
8441         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8442
8443 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8444
8445         * optabs.h (enum optab_index): Add new OTI_ldexp.
8446         (ldexp_optab): Define corresponding macro.
8447         * optabs.c (init_optabs): Initialize ldexp_optab.
8448         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8449         patterns.
8450         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8451         using ldexp_optab.
8452         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8453         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8454
8455         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8456         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8457         intrinsics.
8458
8459 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8460
8461         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8462         to base_address.
8463         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8464         stmt_vec_info.
8465         (vect_get_base_and_offset): Always return an address.
8466         (vect_create_addr_base_for_vector_ref): Remove treatment for
8467         different data reference types.
8468         (vect_compute_data_ref_alignment): Rename base to base_address in
8469         stmt_vec_info. Get the object in order to force its alignment.
8470         (vect_get_memtag_and_dr): Rename base to base_address in
8471         stmt_vec_info. Extract the object for memtag analysis.
8472
8473 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8474
8475         PR regression/19898.
8476         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8477         changes cc_status, use apply modified_in_p to part of cc_status
8478         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8479         body.
8480
8481 2005-02-11  Richard Henderson  <rth@redhat.com>
8482
8483         * tree-complex.c (expand_complex_libcall): New.
8484         (expand_complex_multiplication): Use it for c99 compliance.
8485         (expand_complex_division): Likewise.
8486         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8487         (fold): Call them.
8488         * builtins.c (built_in_names): Remove const.
8489         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8490         builtins.
8491         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8492         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8493         (built_in_names): Remove const.
8494         * c-common.c (c_common_type_for_mode): Handle complex modes.
8495         * flags.h, toplev.c (flag_complex_method): Rename from
8496         flag_complex_divide_method.
8497         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8498         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8499         * libgcc2.h: Declare them.
8500         * libgcc-std.ver: Export them.
8501         * mklibgcc.in (lib2funcs): Build them.
8502
8503 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8504
8505         PR tree-optimization/19876
8506         Partially revert my change from 2005-01-14
8507         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8508         (compute_antic): ...and remove the loop here.
8509
8510 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8511
8512         PR middle-end/19858
8513         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8514         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8515
8516         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8517         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8518
8519 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8520
8521         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8522         offsets for the big-endian 32-bit case.
8523
8524 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8525
8526         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8527
8528 2005-02-11  Dale Johannesen  <dalej@apple.com>
8529
8530         * cselib.c (cselib_process_insn):  Clear out regs where
8531         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8532         * reload.c (find_equiv_reg): Ditto.
8533
8534 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8535
8536         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8537         with no elements.
8538
8539         * tree.c (build_function_type_list): Work correctly if there are
8540         no arguments.
8541
8542 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8543
8544         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8545         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8546         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8547         TARGET_ZARCH instead of TARGET_64BIT.
8548
8549 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8550
8551         * config/rs6000/t-rtems:
8552         (MULTILIB_OPTIONS): Remove mcpu=602.
8553         (MUTLILIB_DIRNAMES): Remove m602.
8554         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8555         Let mcpu=602 match mcpu=603.
8556         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8557
8558 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8559
8560         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8561         signal trampolines.
8562
8563 2005-02-10  David Daney  <ddaney@avtrex.com>
8564
8565         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8566         * config/i386/linux-unwind.h: Likewise.
8567         * config/ia64/linux-unwind.h: Likewise.
8568         * config/mips/linux-unwind.h: Likewise.
8569         * config/pa/linux-unwind.h: Likewise.
8570         * config/rs6000/linux-unwind.h: Likewise.
8571         * config/s390/linux-unwind.h: Likewise.
8572         * config/sh/linux-unwind.h: Likewise.
8573         * config/sparc/linux-unwind.h: Likewise.
8574
8575 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8576
8577         PR tree-optimization/17549
8578         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8579         TER to replace a DEF with its expression if the DEF and the
8580         rhs of the expression we replace into have the same root
8581         variable.
8582
8583 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8584
8585         * config/mips/mips.md: Fix the placement of the match_scratch in the
8586         lea64 peephole2.
8587
8588 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8589
8590         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8591         Fix comment typos.
8592
8593 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8594
8595         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8596         (strip_offset): Handle addresses.
8597         (add_address_candidates): Use strip_offset.
8598         (difference_cost): Reflect strip_offset change.
8599         (force_var_cost, difference_cost): Strip nops.
8600
8601 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8602
8603         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8604
8605         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8606         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8607         config/cris/cris-protos.h, config/cris/cris.c: Update
8608         copyright.
8609
8610 2005-02-10  Jeff Law  <law@redhat.com>
8611
8612         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8613         (lookup_avail_expr): Similarly.
8614
8615 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8616
8617         * builtins.c (fold_builtin_powi): New function.
8618         (fold_builtin_1): Call it.
8619
8620 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8621
8622         PR documentation/19309
8623         * doc/cpp.texi: The __GNUC__ and related predefined macros
8624         are also defined for the "standalone" cpp.
8625         Some non-GCC compilers may also define __GNUC__.
8626
8627 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8628
8629         PR c/19342
8630         * c-typeck.c (common_type): New routine.  Old common_type renamed
8631         to...
8632         (c_common_type): ...this.
8633         (build_conditional_expr, build_binary_op): Use c_common_type instead
8634         of common_type.
8635
8636 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8637
8638         * doc/md.texi: Replace @samp{length} with @code{length}.
8639
8640 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8641
8642         PR tree-optimization/18687
8643         * tree-flow.h (find_loop_niter): Declare.
8644         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8645         Try using scev even for loops with more than one exit.
8646         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8647         (struct ivopts_data): Added niters field.
8648         (struct nfe_cache_elt): New.
8649         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8650         functions.
8651         (tree_ssa_iv_optimize_init): Initialize niters cache.
8652         (determine_number_of_iterations): Removed.
8653         (find_induction_variables): Do not call determine_number_of_iterations.
8654         Access niters for single exit through niter_for_single_dom_exit.
8655         (add_iv_outer_candidates): Access niters for single exit through
8656         niter_for_single_dom_exit.
8657         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8658         number_of_iterations_cond.
8659         (iv_period): New function.
8660         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8661         (may_replace_final_value): Take data argument.  Use
8662         niter_for_single_dom_exit.
8663         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8664         (rewrite_use_compare): Pass data to may_eliminate_iv.
8665         (rewrite_use_outer): Pass data to may_replace_final_value.
8666         (free_loop_data): Clean up the niters cache.
8667         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8668         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8669         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8670         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8671         (num_ending_zeros): Moved to tree.c.
8672         * tree.h (num_ending_zeros): Declare.
8673         * tree.c (num_ending_zeros): Moved from tree.c.
8674
8675 2005-02-09  Richard Henderson  <rth@redhat.com>
8676
8677         * builtins.c (DEF_BUILTIN): Add COND argument.
8678         * tree.h (DEF_BUILTIN): Likewise.
8679         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8680         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8681         match.
8682         (DEF_BUILTIN_STUB): New.
8683         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8684         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8685         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8686         * c-common.c (DEF_BUILTIN): Add COND argument.
8687         * tree.c (local_define_builtin): New.
8688         (build_common_builtin_nodes): New.
8689
8690 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8691
8692         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8693         floating point expression ignoring the sign of the result.
8694         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8695         (fold) <MULT_EXPR>: Use it to simplify x*x.
8696         * tree.h (fold_strip_sign_ops): Prototype here.
8697         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8698         argument.  Use fold_strip_sign_ops to simplify the first argument.
8699         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8700         first argument when the second argument is an even integer
8701         constant, but only with -funsafe_math_optimizations.
8702         (fold_builtin_1): Update call to fold_builtin_copysign.
8703
8704 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8705
8706         PR middle-end/19583
8707         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8708         just check whether EH_FILTER_FAILURE falls through.
8709
8710 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8711
8712         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8713         insns return to ready list in the next turn.
8714
8715 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8716
8717         PR middle-end/19402
8718         * builtins.def: New __builtin_powi[lf].
8719         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8720         (expand_builtin_powi): New function.
8721         (expand_builtin): Dispatch to expand_builtin_powi.
8722         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8723         * libgcc2.c: Add __builtin_powi[lf] implementation.
8724         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8725         * optabs.h: Add powi_optab.
8726         * optabs.c (init_optabs): Initialize powi_optab.
8727         * doc/extend.texi: Document __builtin_powi[lf].
8728
8729 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8730
8731         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8732         exists.
8733
8734 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8735
8736         PR middle-end/19854
8737         * fold-const.c (try_move_mult_to_index): Remove redundant
8738         type argument.  Create ADDR_EXPR with correct type.
8739         (fold): Update callers of try_move_mult_to_index.  Convert
8740         result to the appropriate type.
8741
8742 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8743
8744         PR target/19597
8745         * config/avr/avr.c (default_rtx_costs): Delete.
8746         (avr_operand_rtx_cost): New function.
8747         (avr_rtx_costs): Completely rewrite.
8748
8749 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8750
8751         PR target/19806
8752         * config/cris/cris.c (in_code): New variable.
8753         (cris_output_addr_const): Now a static function, a wrapper for
8754         output_addr_const.
8755         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8756         case from old cris_output_addr_const.
8757         (cris_asm_output_label_ref): Similar for LABEL_REF.
8758         (cris_output_addr_const_extra): Similar for UNSPEC.
8759         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8760         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8761         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8762         declaration.
8763         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8764         (cris_asm_output_label_ref): Declare.
8765
8766 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8767
8768         PR preprocessor/19801
8769         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8770         filenames that changed when libcpp was moved to the toplevel.
8771
8772 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8773
8774         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8775         zero extensions of BImode operands.  Call lowpart_subreg instead
8776         of gen_lowpart_common and gen_lowpart_SUBREG.
8777
8778 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8779
8780         PR ada/19489
8781         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8782         * configure.ac: Set cc_for_cross_gnattools.
8783         * configure: Regenerate.
8784
8785 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8786
8787         PR target/19803
8788         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8789
8790 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8791
8792         PR debug/19327
8793         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8794         of nested functions.
8795
8796 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8797
8798         * doc/extend.texi: Document deprecated extensions allowing
8799         static floating-point members to have initializers and allowing
8800         floating-point literals in integral constant expressions.
8801
8802 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8803
8804         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8805         config/darwin7.h, config/mips/mips.c,
8806         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8807         Update copyright.
8808
8809         * cse.c: Update comments.
8810
8811 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8812
8813         PR middle-end/19775
8814         * builtins.c (fold_builtin_sqrt): Transform
8815         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8816         pow(x,y*0.5).
8817
8818 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8819             Dorit Naishlos  <dorit@il.ibm.com>
8820
8821         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8822         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8823         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8824         was added.
8825         * tree.h (vect_set_verbosity_level): New extern function declaration
8826         added.
8827         * tree-vectorizer.h (verbosity_levels): New enum type.
8828         * tree-vectorizer.c (vect_debug_stats): Function removed.
8829         (vect_debug_details): Likewise.
8830         (vect_verbosity_level): Global variable was defined and initialized.
8831         (vect_dump): Global variable definition.
8832         (vect_print_dump_info): New function.
8833         (vect_set_dump_settings): New function.
8834         (vect_set_verbosity_level): New function.
8835         (vectorize_loops): Add call to vect_set_dump_settings.
8836
8837         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8838         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8839         (slpeel_tree_peel_loop_to_edge): Likewise.
8840
8841         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8842         appropriate verbosity level instead of call to vect_debug_details
8843         or vect_debug_stats.
8844         (vect_get_base_and_offset):
8845         (vect_create_addr_base_for_vector_ref):
8846         (get_vectype_for_scalar_type):
8847         (vect_create_data_ref_ptr):
8848         (vect_init_vector):
8849         (vect_get_vec_def_for_operand):
8850         (vect_finish_stmt_generation):
8851         (vectorizable_assignment):
8852         (vectorizable_operation):
8853         (vectorizable_store):
8854         (vectorizable_load):
8855         (vect_transform_stmt):
8856         (vect_update_ivs_after_vectorizer):
8857         (vect_do_peeling_for_loop_bound):
8858         (vect_update_inits_of_drs):
8859         (vect_do_peeling_for_alignment):
8860         (vect_transform_loop):
8861         (vect_is_simple_use):
8862         (vect_analyze_operations):
8863         (vect_is_simple_iv_evolution):
8864         (vect_analyze_scalar_cycles):
8865         (vect_analyze_data_ref_dependence):
8866         (vect_analyze_data_ref_dependences):
8867         (vect_compute_data_ref_alignment):
8868         (vect_enhance_data_refs_alignment):
8869         (vect_analyze_data_refs_alignment):
8870         (vect_analyze_data_ref_access):
8871         (vect_analyze_data_ref_accesses):
8872         (vect_analyze_pointer_ref_access):
8873         (vect_get_memtag_and_dr):
8874         (vect_analyze_data_refs):
8875         (vect_mark_relevant):
8876         (vect_stmt_relevant_p):
8877         (vect_mark_stmts_to_be_vectorized):
8878         (vect_can_advance_ivs_p):
8879         (vect_get_loop_niters):
8880         (vect_analyze_loop_form):
8881         (vect_analyze_loop):
8882         (vectorize_loops): Likewise.
8883
8884         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8885         (vect_update_inits_of_drs):
8886         (vect_do_peeling_for_alignment):
8887         (vect_transform_loop):
8888         (vect_analyze_operations):
8889         (vect_analyze_scalar_cycles):
8890         (vect_analyze_data_ref_dependences):
8891         (vect_analyze_data_refs_alignment):
8892         (vect_analyze_data_ref_accesses):
8893         (vect_analyze_data_refs):
8894         (vect_mark_stmts_to_be_vectorized):
8895         (vect_get_loop_niters):
8896         (vect_analyze_loop_form):
8897         (vect_analyze_loop): Likewise.
8898         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8899
8900 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8901
8902         PR bootstrap/19796
8903         Revert:
8904         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8905         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8906         either -ffast-math or -funsafe-math-optimizations is in use.
8907
8908         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8909         * config/mips/irix-csr.c: New file.
8910         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8911         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8912         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8913         executables.
8914
8915 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
8916
8917         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
8918         redundant, incorrect definitions.
8919
8920         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
8921         expand.
8922         ("*tls_indirect_call"): New, reference hard regs directly.
8923         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
8924
8925 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8926
8927         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
8928         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
8929
8930 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8931
8932         PR rtl-optimization/19800
8933         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
8934         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
8935         gen_lowpart.
8936
8937 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8938
8939         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
8940
8941 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
8942
8943         PR other/17135
8944         * doc/invoke.texi: Correct documentation of -freorder-functions.
8945
8946 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8947
8948         PR other/14402
8949         * doc/invoke.texi: Don't mention gccbug.
8950
8951 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8952             Andrew Pinski  <pinskia@physics.uc.edu>
8953             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
8954
8955         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8956         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
8957         into just (zero_extract:SI FOO (const_int 1) BAR).
8958
8959 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8960
8961         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
8962         macro locally.  Don't give last revision date.  Use GCC version
8963         number from gcc-common.texi.
8964         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
8965         revision date.  Use GCC version number from gcc-common.texi.
8966         Describe being a library as current state rather than as 3.x
8967         history.
8968         * doc/gcc.texi: Remove last update date.
8969         * doc/gccint.texi: Likewise.  Update copyright dates.
8970         * doc/install.texi: Update copyright dates.
8971
8972 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8973
8974         PR other/7549
8975         * doc/invoke.texi: Mention for each option included in -Wall that
8976         it is included in -Wall.
8977         * doc/gcc.texi: Update copyright and last modification date.
8978
8979 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8980
8981         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
8982         unnecessary cast to original induction variable increments.
8983
8984 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8985
8986         PR tree-optimization/18219
8987         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
8988         in distributed form.
8989
8990 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
8991
8992         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
8993         Set bitpos and offset later in the function.  Do nothing if the
8994         target is a register and if the bitfield lies completely outside
8995         that register.
8996         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
8997         here.  Return an uninitialised register if the source value is stored
8998         in a register and the bitfield lies completely outside that register.
8999
9000 2005-02-06  Steven Bosscher  <stevenb@suse.de>
9001
9002         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9003         not SET_DEST.
9004
9005 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
9006
9007         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9008
9009 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
9010
9011         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9012         * config/darwin8.h: New.
9013         * config/darwin7.h: Update comment.
9014
9015 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9016             Dorit Naishlos  <dorit@il.ibm.com>
9017
9018         * tree-vectorizer.h (LOC): New type.
9019         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9020         (loop_line_number): New field in struct _loop_vec_info.
9021         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9022
9023         * tree-vectorizer.c (input.h): Included.
9024         (find_loop_location): New function.
9025         (vect_debug_stats): Argument changed from loop to LOC. Computation of
9026         loop line number removed.
9027         (vect_debug_details): Likewise.
9028         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9029
9030         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9031         call to vect_debug_details/stats changed from loop to loop_loc.
9032         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9033         (slpeel_tree_peel_loop_to_edge): Likewise.
9034
9035         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9036         changed from NULL to UNKNOWN_LOC.
9037         (vect_get_base_and_offset):
9038         (vect_create_addr_base_for_vector_ref):
9039         (get_vectype_for_scalar_type):
9040         (vect_create_data_ref_ptr):
9041         (vect_init_vector):
9042         (vect_get_vec_def_for_operand):
9043         (vect_finish_stmt_generation):
9044         (vectorizable_assignment):
9045         (vectorizable_operation):
9046         (vectorizable_store):
9047         (vectorizable_load):
9048         (vect_transform_stmt):
9049         (vect_update_ivs_after_vectorizer):
9050         (vect_do_peeling_for_loop_bound):
9051         (vect_do_peeling_for_alignment):
9052         (vect_transform_loop):
9053         (vect_is_simple_use):
9054         (vect_analyze_operations):
9055         (vect_is_simple_iv_evolution):
9056         (vect_analyze_scalar_cycles):
9057         (vect_analyze_data_ref_dependences):
9058         (vect_compute_data_ref_alignment):
9059         (vect_enhance_data_refs_alignment):
9060         (vect_analyze_data_ref_access):
9061         (vect_analyze_data_ref_accesses):
9062         (vect_analyze_pointer_ref_access):
9063         (vect_get_memtag_and_dr):
9064         (vect_analyze_data_refs):
9065         (vect_mark_relevant):
9066         (vect_stmt_relevant_p):
9067         (vect_mark_stmts_to_be_vectorized):
9068         (vect_can_advance_ivs_p):
9069         (vect_get_loop_niters):
9070         (vect_analyze_loop):
9071         (vectorize_loops): Likewise.
9072
9073         (vectorizable_load): Argument in call to vect_debug_details/stats
9074         changed from loop to LOOP_LOC (loop_vinfo).
9075         (vect_transform_loop):
9076         (vect_analyze_operations):
9077         (vect_analyze_scalar_cycles):
9078         (vect_analyze_data_ref_dependence):
9079         (vect_enhance_data_refs_alignment):
9080         (vect_analyze_data_ref_accesses):
9081         (vect_analyze_pointer_ref_access):
9082         (vect_analyze_data_refs):
9083         (vect_analyze_loop): Likewise.
9084
9085         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9086         changed from loop to loop_loc.
9087
9088         (vect_enhance_data_refs_alignment): Removed unused variable loop.
9089
9090 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9091             Dorit Naishlos  <dorit@il.ibm.com>
9092
9093         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9094         declaration added.
9095         (vect_analyze_data_ref_dependences): Likewise.
9096
9097         (vect_is_simple_use): Argument changed from loop structure to
9098         loop_vect_info structure.
9099         (vect_can_advance_ivs_p): Likewise.
9100         (vect_create_index_for_vector_ref): Likewise.
9101         (vect_update_ivs_after_vectorizer): Likewise.
9102         (new_stmt_vec_info): Likewise.
9103
9104         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
9105         changed from loop to loop_vinfo.
9106         (vect_create_data_ref_ptr): First argument in call to
9107         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
9108         (vectorizable_assignment): Second argument in call to vect_is_simple_use
9109         was changed from loop to loop_vinfo.
9110         (vectorizable_operation): Likewise.
9111         (vectorizable_store): Likewise.
9112         (vect_mark_stmts_to_be_vectorized): Likewise.
9113         (vect_do_peeling_for_loop_bound): First argument in call to
9114         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
9115         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
9116         was changed from loop to loop_vinfo.
9117         (vect_analyze_data_ref_dependences): Third argument in call to
9118         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
9119
9120         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
9121         (vect_create_data_ref_ptr): Likewise.
9122         (vect_init_vector): Likewise.
9123         (vect_get_vec_def_for_operand): Likewise.
9124         (vectorizable_assignment): Likewise.
9125         (vectorizable_operation): Likewise.
9126         (vectorizable_store): Likewise.
9127         (vectorizable_load): Likewise.
9128         (vect_update_ivs_after_vectorizer): Likewise.
9129         (vect_is_simple_use): Likewise.
9130         (vect_analyze_data_ref_dependence): Likewise.
9131         (vect_analyze_pointer_ref_access): Likewise.
9132         (vect_can_advance_ivs_p): Likewise.
9133
9134         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
9135         before _stmt_vec_info.
9136         (_stmt_vec_info): Loop field replaced by loop_vec_info.
9137         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
9138         (new_stmt_vec_info): Argument changed from loop structure to
9139         loop_vect_info structure
9140
9141         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
9142         (vect_analyze_offset_expr): Avoid 80 columns overflow.
9143         (vect_create_addr_base_for_vector_ref): Likewise.
9144         (vect_analyze_pointer_ref_access): Likewise.
9145
9146 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9147
9148         PR tree-opt/19768
9149         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
9150         phi flag if the phi is abnormal.
9151
9152 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9153
9154         PR tree-opt/19736
9155         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
9156         information for the new statement.
9157
9158 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9159
9160         PR driver/19117
9161         * gcc.c (main): Include the target in -v output.
9162
9163 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
9164
9165         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9166         Do not drop the extend if we'd have to add a paradoxical subreg
9167         later.  Include optabs.h and insn-codes.h.
9168         * Makefile.in (combine.o): Depend on $(OPTABS_H).
9169
9170 2005-02-02  Roger Sayle  <roger@eyesopen.com>
9171
9172         PR middle-end/19405
9173         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
9174         * fold-const.c (const_binop): Avoid constant folding floating
9175         point operations in modes that use composite representations.
9176         * simplify-rtx.c (simplify_binary_operation): Likewise.
9177
9178 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
9179
9180         * config/rs6000/altivec.md (altivec_dst): Make the first operand
9181         a REG, not a MEM.
9182         (altivec_dstt): Likewise.
9183         (altivec_dstst): Likewise.
9184         (altivec_dststt): Likewise.
9185         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
9186         of first operand.
9187
9188 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9189
9190         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
9191         EXPR_LOCUS from orig_cond to the new cond_stmt.
9192         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
9193         the new vec_stmt.
9194
9195 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9196
9197         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
9198         standard_iv_increment_position. Remove call to bsi_next
9199         (no need to bump the iterator anymore).
9200         (vect_create_index_for_vector_ref): Call
9201         standard_iv_increment_position. Remove second function argument.
9202         (vect_finish_stmt_generation): Remove call to bsi_next
9203         (no need to bump the iterator anymore).
9204         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
9205         to vect_create_index_for_vector_ref.
9206
9207 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9208
9209         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
9210         phis are used out of the loop.
9211
9212 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9213
9214         PR c/17807
9215         * c-decl.c (undef_nested_function): New variable.
9216         (pop_scope): Diagnose undefined nested functions.
9217         (finish_function): Don't attempt cgraph processing or genericizing
9218         if current top-level function contained an undefined nested
9219         function.  Reset undef_nested_function at the end of a top-level
9220         function.
9221
9222 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
9223
9224         * tree.c (build_int_cst_type): Take sign of the value into account
9225         when deciding whether sign extend the value.
9226
9227 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9228
9229         PR c/18502
9230         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
9231         (cpp_options, cc1_options): Change %{std*&ansi} to
9232         %{std*&ansi&trigraphs}.
9233
9234 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9235
9236         * cse.c: Update comments.
9237
9238 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
9239
9240         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
9241         arguments go on the stack.  Do not put complex doubles in odd/even
9242         pairs.
9243
9244 2005-02-02  Steven Bosscher  <stevenb@suse.de>
9245
9246         * doc/invoke.texi: Update the options enabled at -O1, -O2,
9247         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
9248         -ftree-pre, and -fthread-jumps.
9249
9250 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
9251
9252         PR tree-optimization/19578
9253         * tree-flow.h (modified_noreturn_calls): Declare.
9254         (noreturn_call_p): Declare.
9255         * tree-flow-inline.h (noreturn_call_p): New function.
9256         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
9257         * tree-cfg.c (modified_noreturn_calls): New variable.
9258         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
9259         that contain a mid-block noreturn call.
9260         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
9261
9262 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9263
9264         * df.c (df_def_record_1, df_uses_record): Don't use
9265         DF_FOR_REGALLOC.
9266         * df.h (DF_FOR_REGALLOC): Remove.
9267
9268 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9269
9270         PR c/19435
9271         * c-typeck.c (really_start_incremental_init): Reset
9272         constructor_max_index for arrays of incomplete type.
9273
9274 2005-02-02  Jeff Law  <law@redhat.com>
9275
9276         * gcse.c (struct reg_set): Store the block index where the register
9277         was set rather than the setting insn.
9278         (record_one_set, compute_transp): Corresponding changes.
9279         (pre_insert_copy_insn): Do not call replace_one_set.
9280         (replace_one_set): Remove.
9281
9282 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9283
9284         PR other/15514
9285         * doc/gcov.texi: Fix typo.
9286
9287 2005-02-01  Richard Henderson  <rth@redhat.com
9288
9289         PR target/19680
9290         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
9291         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
9292         type to bool.
9293         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
9294         * config/i386/i386-protos.h: Update.
9295
9296 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9297
9298         PR tree-optimization/19217
9299         * tree-cfg.c (verify_expr): Use the data field to see if TP was
9300         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
9301         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
9302         that it is walking a PHI node.
9303
9304 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
9305
9306         * doc/extend.texi (Nested Functions): Update.
9307
9308 2005-02-01  Richard Henderson  <rth@redhat.com>
9309
9310         PR 19696
9311         * optabs.c (expand_copysign_absneg): Export.
9312         * optabs.h (expand_copysign_absneg): Declare.
9313         * config/rs6000/rs6000.md (copysigntf3): New.
9314
9315 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9316
9317         PR tree-optimization/19633
9318         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
9319         * tree-ssa-alias.c (init_alias_info): Initialize.
9320         (merge_pointed_to_info): Set.
9321         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
9322         (dump_points_to_info_for): Show value of pt_null.
9323         (struct count_ptr_d): Declare.
9324         (find_ptr_dereference): Remove.
9325         (ptr_is_dereferenced_by): Remove.
9326         (count_ptr_derefs): New local function.
9327         (count_uses_and_derefs): New local function.
9328         (compute_points_to_and_addr_escape): Call it.  If the number
9329         of dereferences is greater than zero, mark the pointer as
9330         dereferenced.  If there are fewer dereferences than uses of
9331         the pointer, the pointer's value escapes.
9332
9333 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9334
9335         PR tree-optimization/19670
9336         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
9337         here...
9338         (verify_use): ... set it here, instead.
9339
9340 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
9341
9342         * doc/sourcebuild.texi (Test directives): Fix formatting.
9343
9344         * doc/sourcebuild.texi (Test directives): Describe selector
9345         expressions.
9346
9347 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9348
9349         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
9350         specific 64-bit CPUs.
9351
9352 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
9353
9354         PR target/16201
9355         * arm.c (arm_eliminable_register): New function.
9356         (adjacent_mem_locations): Don't allow eliminable registers.  Use
9357         HOST_WIDE_INT for address offsets.
9358         * arm-protos.h (arm_eliminable_register): Add prototype.
9359
9360 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9361
9362         PR optimization/15242
9363         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
9364         * basic-block.h (duplicate_computed_gotos): Add prototype.
9365         * bb-reorder.c (duplicate_computed_gotos): New function to
9366         duplicate sufficiently small blocks ending in a computed jump.
9367         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
9368         if not optimizing for size.
9369         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
9370         never do tail merging for blocks ending in a computed jump.
9371         * doc/invoke.texi: Document the max-goto-duplication-insns param.
9372
9373 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
9374
9375         Patch from Richard Sandiford <rsandifo@redhat.com>
9376         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
9377         from inheriting a subreg equivalence with a non-spill register.
9378
9379         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9380
9381 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9382
9383         * config/frv/frv.c (movcc_fp_destination_operand): New.
9384         (gpr_or_memory_operand): Fix typo in comment.
9385         (gpr_or_memory_operand_with_scratch): New.
9386         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9387         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9388         movcc_fp_destination_operand.
9389         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9390         Legitimize memory addresses using a scratch register.
9391
9392 2005-01-31  Jeff Law  <law@redhat.com>
9393
9394         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9395         bitmap a sparse bitmap instead of a simple bitmap.
9396         (mark_def_sites_initialize_block):  Corresponding changes.
9397         (ssa_mark_def_sites_initialize_block): Likewise.
9398         (ssa_mark_phi_uses): Likewise.
9399         (mark_def_site, ssa_mark_def_sites): Likewise.
9400         (mark_def_site_blocks): Likewise.
9401         (rewrite_ssa_into_ssa): Likewise.
9402
9403         * tree-ssa-dom.c (record_cond): Pass correct variable type
9404         for last argument to htab_find_slot_with_hash.
9405
9406         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9407         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9408
9409 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9410
9411         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9412         1_mmalua.
9413
9414 2005-02-01  Eric Christopher  <echristo@redhat.com>
9415
9416         * config/mips/mips.c (override_options): Warn if -mint64
9417         is used.
9418         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9419         deprecated.
9420
9421 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9422
9423         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9424         timestamp.
9425         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9426         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9427         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9428         (cached_regno): Initialize to INVALID_REGNUM.
9429         (cse_reg_info_table_size,
9430         cse_reg_info_table_first_uninitialized,
9431         cse_reg_info_timestamp): New.
9432         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9433         get_cse_reg_info.
9434         (init_cse_reg_info, get_cse_reg_info_1): New.
9435         (get_cse_reg_info): Cache the last look-up.
9436         (new_basic_block): Update the code to clear mappings from
9437         registers to cse_reg_info entries.
9438         (cse_main): Call init_cse_reg_info.
9439
9440         * cse.c (get_cse_reg_info): Update a comment.
9441
9442 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9443
9444         PR c/19333
9445         * c-decl.c (start_decl): Do not warn about arrays of elements with
9446         an incomplete type here.
9447         (grokdeclarator): Do it here by making a pedwarn an error.
9448         * c-typeck.c (push_init_level): If there were previous errors with
9449         the constructor type, do not warn about braces for initializers.
9450         (process_init_element): Likewise for excess initializer elements.
9451
9452 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9453
9454         * cse.c (delete_trivially_dead_insn): Don't iterate.
9455
9456 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9457
9458         * config/rs6000/rs6000.md (copysignsf3): New expand.
9459         (copysigndf3): Likewise.
9460
9461 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9462
9463         * recog.c (constrain_operands): Only look for earlyclobber operand
9464         conflicts if an '&' constraint was seen.
9465
9466 2005-01-31  Marc Espie <espie@openbsd.org>
9467
9468         * config.gcc: Don't include embedded systems fragment, switches default
9469         debugging format to ELF.
9470         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9471         longer pick it up there.
9472
9473 2005-01-31  Dale Johannesen  <dalej@apple.com>
9474
9475         * doc/extend.texi (nested functions): Fix linkage description.
9476         Clarify that static is not allowed.
9477
9478 2005-01-31  Dale Johannesen  <dalej@apple.com>
9479
9480         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9481         (movdf_low_di):  Make work.
9482
9483 2005-01-31  Dale Johannesen  <dalej@apple.com>
9484
9485         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9486         Make work for 64 bit.
9487
9488 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9489             Dale Johannesen  <dalej@apple.com>
9490
9491         PR middle-end/19650
9492         * fold-const.c (fold_binary_op_with_conditional_arg):
9493         Make types match original operands, before STRIP_NOPS.
9494
9495 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9496
9497         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9498         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9499         (struct gcc_sigcontext): Delete.  Merge contents to..
9500         (struct gcc_ucontext): ..here.
9501         (get_sigcontext): Delete.
9502         (get_regs): New function, like get_sigcontext but return regs ptr.
9503         64-bit version finds regs from r1 to support vdso.
9504         (ppc_linux_aux_vector): New function.
9505         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9506         and vector regs.
9507
9508 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9509
9510         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9511         sizetype.
9512         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9513         redundant fold. Fix misalignment for MINUS_EXPR.
9514         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9515         (vect_analyze_pointer_ref_access): Likewise.
9516         (vect_get_memtag_and_dr): Likewise.
9517
9518 2005-01-31  Richard Henderson  <rth@redhat.com>
9519
9520         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9521         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9522         absnegdf2_i387, absnegxf2_i387): Likewise.
9523
9524 2005-01-31  Richard Henderson  <rth@redhat.com>
9525
9526         PR 19696
9527         * optabs.c (expand_copysign_absneg): New.
9528         (expand_copysign_bit): Split out from ...
9529         (expand_copysign): ... here.  Use expand_copysign_absneg.
9530
9531 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9532
9533         PR middle-end/19697
9534         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9535         constant as the second operand and a register as the third.
9536
9537 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9538
9539         PR target/19704
9540         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9541         that dllimport'd functions do not use all call-clobbered registers
9542         to pass parameters.
9543
9544 2005-01-30  Richard Henderson  <rth@redhat.com>
9545
9546         PR 19696
9547         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9548         expand_abs_nojump and generalize.  Use operand_subword and
9549         emit_no_conflict_block.  Support large modes.
9550         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9551         back to maximum.
9552         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9553         negation to subtraction.
9554         (expand_copysign): Check that the format has signed zeros.
9555         Use operand_subword and emit_no_conflict_block.  Support large modes.
9556
9557 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9558
9559         Fix PR tree-optimization/19624
9560
9561         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9562         * tree-ssa-pre.c: Add cfgloop.h.
9563         Update comment.
9564         (pre_stats): New member, constified.
9565         (inserted_exprs): New static variable.
9566         (NECESSARY): New macro.
9567         (create_expression_by_pieces): Fold the expression, and
9568         mark it as defaulting to not necessary. Also put in
9569         inserted_exprs.
9570         (fully_constant_expression): New function.
9571         (insert_into_preds_of_block): Modify to not insert phis when we
9572         are playing with induction variables.
9573         Push phis onto the inserted_exprs vector, and mark them as not
9574         necessary by default.
9575         (insert_aux): Call fully_constant_expression on eprime.
9576         If all edges produce the same value, mark it constant.
9577         (mark_operand_necessary): New function.
9578         (remove_dead_inserted_code): New function.
9579         (init_pre): Init loop optimizer to get loop info.
9580         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9581         (execute_pre): Commit edge inserts, then remove dead code.
9582
9583 2005-01-30  Richard Henderson  <rth@redhat.com>
9584
9585         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9586         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9587
9588 2005-01-30  Richard Henderson  <rth@redhat.com>
9589
9590         PR target/19700
9591         * config/i386/i386.c (ix86_expand_copysign): New.
9592         (ix86_split_copysign_const): New.
9593         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9594         rearrange op1/nmask operands.
9595         * config/i386/i386-protos.h: Update.
9596         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9597         (copysigndf3): Likewise.
9598         (copysignsf3_const, copysigndf3_const): New.
9599         (copysignsf3_var): Rename from copysignsf3, split out splitter
9600         and fix split predicate for X constraint.
9601         (copysigndf3_var): Similarly.
9602
9603 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9604
9605         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9606         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9607         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9608
9609 2005-01-29  Richard Henderson  <rth@redhat.com>
9610
9611         PR target/19690
9612         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9613         of # and * in constraints.
9614
9615 2005-01-29  Richard Henderson  <rth@redhat.com>
9616
9617         PR middle-end/19689
9618         * expr.c (store_field): Don't strip sub-mode cast when the input
9619         data is even smaller.
9620
9621 2005-01-29  Richard Henderson  <rth@redhat.com>
9622
9623         PR middle-end/19687
9624         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9625         union being empty.
9626
9627 2005-01-29  Richard Henderson  <rth@redhat.com>
9628
9629         * combine.c (make_field_assignment): Fix argument order
9630         to gen_int_mode.
9631
9632 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9633
9634         PR tree-optimization/15791
9635         * fold-const.c (extract_array_ref): New function.
9636         (fold): Fold comparisons between &a[i] and &a[j] or
9637         semantically equivalent trees.
9638
9639 2005-01-29  Jeff Law  <law@redhat.com>
9640
9641         * gcse.c (insert_expr_in_table): Revamp handling of available
9642         and anticipatable occurrence lists to avoid unnecessary list
9643         walking.
9644         (insert_set_in_table): Similarly.
9645
9646 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9647
9648         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9649         build string type.
9650         (c_build_qualified_type): Build qualified array types with
9651         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9652         * c-decl.c (c_make_fname_decl): Build unqualified array type
9653         before qualified type.
9654         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9655         type is qualified, not just if type itself is.  Don't apply
9656         qualifiers to array type when declarator is processed.  Apply
9657         qualifiers to field type whether or not it is an array type.
9658         Don't handle array types specially for applying qualifiers to
9659         variables.
9660         * c-typeck.c (composite_type): Build unqualified element type and
9661         array type when forming composite of array types.
9662         (common_pointer_type, comptypes, comp_target_types,
9663         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9664         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9665         types.
9666         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9667         (args2) in variables a1 and a2.
9668
9669 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9670
9671         * cse.c (n_elements_made, max_elements_made): Remove.
9672         (insert): Don't touch n_elements_made.
9673         (cse_main): Don't touch n_elements_made or max_elements_made.
9674
9675 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9676
9677         PR target/15384
9678         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9679         configuration part of dp-bit.c to be lost.
9680
9681 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9682
9683         * expmed.c (expand_mult_highpart_optab): When attempting to use
9684         a non-widening multiplication in a wider mode, the operands need
9685         to be converted (zero or sign extended) to that mode.
9686
9687 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9688
9689         PR middle-end/16558
9690         PR middle-end/19583
9691         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9692         through if both operands fall through.
9693
9694 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9695
9696         * cse.c (fold_rtx) <PC>: Don't optimize.
9697
9698 2005-01-28  Jeff Law  <law@redhat.com>
9699
9700         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9701         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9702
9703 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9704
9705         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9706         cse_reg_info_used_list_end): Remove.
9707         (cse_reg_info_list, cse_reg_info_list_free): New.
9708         (get_cse_reg_info): When allocating an instance of
9709         cse_reg_info, add it to the beginning of the cse_reg_info_list
9710         list.  Remove code to maintain cse_reg_info_used_list.
9711         (new_basic_block): Reset the free list to the beginning of
9712         cse_reg_info_list.
9713
9714 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9715
9716         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9717         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9718         (frv_expand_mdpackh_builtin): New function.
9719         (frv_expand_builtin): Use it to expand __MDPACKH.
9720         * doc/extend.texi (__MDPACKH): Update documentation.
9721
9722 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9723
9724         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9725         SSE_FLOAT_MODE_P for use_sse computation.
9726
9727 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9728
9729         PR target/19663
9730         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9731
9732 2005-01-27  Richard Henderson  <rth@redhat.com>
9733
9734         * builtins.c (expand_builtin_copysign): New.
9735         (expand_builtin): Call it.
9736         * genopinit.c (optabs): Add copysign_optab.
9737         * optabs.c (init_optabs): Initialize it.
9738         (expand_copysign): New.
9739         * optabs.h (OTI_copysign, copysign_optab): New.
9740         (expand_copysign): Declare.
9741
9742         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9743         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9744
9745         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9746         (ix86_expand_fp_absneg_operator): ... here.
9747         (ix86_split_copysign): New.
9748         * config/i386/i386-protos.h: Update.
9749         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9750         (copysignsf3, copysigndf3): New.
9751
9752         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9753         (copysignsf3, ncopysignsf3): New.
9754         (copysigndf3, ncopysigndf3): New.
9755         (copysignxf3, ncopysignxf3): New.
9756         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9757
9758 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9759             Kazu Hirata  <kazu@cs.umass.edu>
9760
9761         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9762         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9763         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9764         NULL_RTX.
9765
9766 2005-01-27  Jeff Law  <law@redhat.com>
9767
9768         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9769         definitions of SSA_NAMEs which are not being rewritten.
9770         (rewrite_ssa_into_ssa): Only initialize the current definition
9771         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9772         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9773         SSA_NAMEs before returning.
9774
9775 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9776
9777         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9778         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9779         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9780         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9781         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9782
9783 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9784
9785         PR middle-end/17278
9786         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9787         higher to -O2 and higher.  Likewise for tree PRE.
9788         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9789         and better.
9790
9791 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9792
9793         PR middle-end/19583
9794         * gimple-low.c (try_catch_may_fallthru): New static function.
9795         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9796         * tree-inline.c (expand_call_inline): Don't warn about reaching
9797         the end of a non-void function being inlined if the function uses
9798         a return slot.
9799
9800 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9801
9802         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9803
9804         PR c/18946
9805         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9806         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9807         (implicitly_declare): Handle error_mark_node.
9808
9809 2005-01-27  Richard Henderson  <rth@redhat.com>
9810
9811         PR tree-opt/14329
9812         * tree.h (struct tree_decl): Add debug_expr_is_from.
9813         (DECL_DEBUG_EXPR_IS_FROM): New.
9814         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9815         * dwarf2out.c (dwarf2out_var_location): Update to match.
9816         * tree-outof-ssa.c (create_temp): Likewise.
9817         * var-tracking.c (track_expr_p): Likewise.
9818         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9819         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9820         * toplev.c (default_tree_printer): Likewise.
9821
9822 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9823
9824         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9825         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9826
9827 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9828
9829         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9830         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9831         ASM_CLOBBERS): Add tree checks.
9832
9833         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9834         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9835         * c-common.def (SWITCH_STMT): Update to match.
9836         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9837         macros instead of SWITCH_EXPR ones.
9838         * c-dump.c (c_dump_tree): Likewise.
9839         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9840         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9841
9842         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9843
9844 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9845
9846         * unwind-dw2.c (execute_stack_op): Add missing cases for
9847         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9848
9849 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9850
9851         * config.gcc (Obsolete configurations): Remove 'dummy', add
9852         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9853         sparc-*-openbsd*.
9854
9855 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9856
9857         PR tree-optimization/19633
9858         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9859         CALL_EXPRs.
9860         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9861         are no call-clobbered variables.
9862         * tree-outof-ssa.c (check_replaceable): Return false for calls
9863         with side-effects.
9864
9865 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9866
9867         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9868         even for variables with NULL DECL_INITIAL.
9869
9870 2005-01-26  Stuart Hastings  <stuart@apple.com>
9871
9872         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9873
9874 2005-01-26  Richard Henderson  <rth@redhat.com>
9875
9876         PR middle-end/18008
9877         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9878         field's type.
9879         * expr.c (store_field): Strip conversions to odd-bit-sized types
9880         if the destination field width matches.
9881
9882 2005-01-26  Richard Henderson  <rth@redhat.com>
9883
9884         * c-decl.c, expmed.c, expr.c: Revert last change.
9885
9886 2005-01-26  Richard Henderson  <rth@redhat.com>
9887
9888         PR middle-end/18008
9889         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9890         field's type.
9891         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9892         if we don't need the bits above those present in the current mode.
9893         * expr.c (store_field): Strip conversions to odd-bit-sized types
9894         if the destination field width matches.
9895
9896 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9897
9898         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9899         either -ffast-math or -funsafe-math-optimizations is in use.
9900
9901 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9902
9903         PR target/19293
9904         PR target/19329
9905         * config/avr/avr.c (notice_update_cc): Only set condition code for
9906         ashrqi3 if shift count > 0.
9907         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9908         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9909         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9910         count <= 0 as a no-op, and shift count >= width by copying zero
9911         or sign bit to all bits of the result.
9912         * config/avr/avr.md (all shifts): Add alternatives for zero shift
9913         count, with attribute "length" set to 0 and "cc" set to "none".
9914
9915 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9916
9917         * doc/invoke.texi: Document -mTLS.
9918
9919         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
9920         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
9921         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
9922         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
9923         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
9924         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
9925         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
9926         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
9927
9928         * configure.ac: Check for a TLS capable gas.
9929
9930         * configure: Regenerate.
9931
9932 2005-01-26  Richard Henderson  <rth@redhat.com>
9933
9934         PR middle-end/18008
9935         * combine.c (make_field_assignment): Simplify store to zero_extract
9936         from a source with an overlapping mask.
9937
9938 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9939
9940         2004-11-11  Eric Christopher  <echristo@redhat.com>
9941
9942         * config/frv/frv.md: Add fr400_integer automaton. Don't
9943         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
9944         to TYPE_MACC.
9945
9946 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9947
9948         PR middle-end/16585
9949         * cfgbuild.c (make_edges): Do not clear or set
9950         current_function_has_computed_jump.
9951         * function.h (struct function): Remove the has_computed_jump field.
9952         (current_function_has_computed_jump): Do not define.
9953         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
9954         in a computed jump.  Ignore current_function_has_computed_jump.
9955
9956 2005-01-26  Richard Henderson  <rth@redhat.com>
9957
9958         PR middle-end/19515
9959         * expr.c (categorize_ctor_elements): New argument p_must_clear.
9960         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
9961         fully initialized.
9962         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
9963         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
9964         objects into static storage if they have more than one non-zero value.
9965         * tree.h (categorize_ctor_elements): Update decl.
9966
9967 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9968
9969         PR middle-end/19616
9970         * tree.h (CALL_EXPR_TAILCALL): Add comment.
9971         * calls.c (check_sibcall_argument_overlap_1): Revert the change
9972         to this function from 2004-07-10.
9973         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
9974         the current function for tail call optimizations if the address
9975         of one of it its arguments is taken.
9976
9977 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
9978
9979         * cse.c (fold_rtx): Call equiv_constant only when necessary.
9980
9981 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9982
9983         * function.c (expand_function_end): If current_function_calls_alloca,
9984         emit stack restore in a place that is reached when the function falls
9985         through at the end.
9986
9987 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
9988
9989         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
9990         rule to avoid matching inappropriate suffix rule.
9991
9992 2005-01-26  Jan Hubicka  <jh@suse.cz>
9993
9994         PR tree-optimization/19241
9995         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
9996
9997 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9998
9999         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10000         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
10001         of doubling.
10002         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10003         <sim*>: Always use crt1.o, regardless of N in simN.
10004         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10005         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10006         (CRT_CALL_STATIC_FUNCTION): Remove.
10007         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10008         use crt1.o, regardless of N in simN.
10009         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10010         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10011         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10012         case isystem setting.
10013         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10014
10015 2005-01-25  Ian Lance Taylor  <ian@airs.com>
10016
10017         * gimple-low.c (block_may_fallthru): Correct handling of
10018         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10019
10020 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10021
10022         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10023         handlers to match indentation; nested under the mtune=* handler.
10024         Similar for mcpu= and march=.
10025
10026 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
10027
10028         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10029         * config/mips/linux64.h (LIB_SPEC): Likewise.
10030         * config/mn10300/linux.h (LIB_SPEC): Likewise.
10031         * config/sh/linux.h (LIB_SPEC): Likewise.
10032
10033 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
10034
10035         * config/frv/frv.c (frv_legitimize_tls_address): New.
10036         (TARGET_HAVE_TLS): Define.
10037         (FRV_SYMBOL_REF_TLS_P): Define.
10038         (frv_override_options): Handle new register classes.
10039         (frv_legitimate_address_p): Reject tls addresses.
10040         (frv_legitimize_address): Handle TLS addresses.
10041         (gen_inlined_tls_plt): New.
10042         (gen_tlsmoff): New.
10043         (frv_legitimize_tls_address): New.
10044         (unspec_got_name): Add TLS entries.
10045         (got12_operand): Add R_FRV_TLSMOFF12 case.
10046         (frv_emit_move): Fixup TLS addresses.
10047         (frv_emit_movsi): Legitimize TLS addresses.
10048
10049         * config/frv/frv.h (MASK_BIG_TLS): New.
10050         (TARGET_BIG_TLS): New.
10051         (HAVE_AS_TLS): Define.
10052         (TARGET_SWITCHES): Add -mTLS and -mtls options.
10053         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10054         (REG_CLASS_NAMES): Same.
10055         (REG_CLASS_CONTENTS): Same.
10056         (CONSTRAINT_LEN): New.
10057         (REG_CLASS_FROM_CONSTRAINT): New.
10058         (PREDICATE_CODES): Add symbolic_operand.
10059
10060         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10061         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10062         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10063         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10064         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10065         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10066         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10067         GR9_REG, GR14_REG, LRREG.
10068         (type): Add load_or_call attribute.
10069         ("load_or_call"): New reservation.
10070         ("call_gettlsoff"): New.
10071         ("tls_indirect_call"): New.
10072         ("tls_load_gottlsoff12"): New.
10073         ("tlsoff_hilo"): New.
10074         ("tls_tlsdesc_ldd"): New.
10075         ("tls_tlsoff_ld"): New.
10076         ("tls_lddi"): New.
10077
10078         * config/frv/frv-protos.h (symbolic_operand): Protoize.
10079
10080         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
10081
10082         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10083         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10084         * config/frv/frv.c (TLS_BIAS): Define.
10085         (frv_output_dwarf_dtprel): New.
10086
10087 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
10088
10089         PR rtl-optimization/19579
10090         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10091         both A and B, see if they don't clobber registers the other expr uses.
10092
10093 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
10094
10095         * real.c (do_add): Initialize signalling and canonical members.
10096
10097         * real.c (real_from_integer): Zero out destination.
10098
10099 2005-01-18  Jan Hubicka  <jh@suse.cz>
10100
10101         PR tree-optimize/19337
10102         * tree-inline.c (initialize_inlined_parameters): Copy
10103         saved_static_chain_decl only.
10104
10105 2005-01-25  Richard Henderson  <rth@redhat.com>
10106
10107         PR target/19556
10108         PR target/19584
10109         * config/i386/i386.c (x86_inter_unit_moves): Zero.
10110         (ix86_preferred_reload_class): Rewrite fp-constant section, with
10111         80387 enabled, to return a proper subclass.  Return the subset that
10112         overlaps with GENERAL_REGS for PLUS.
10113         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
10114
10115 2005-01-25  Richard Henderson  <rth@redhat.com>
10116
10117         PR middle-end/19609
10118         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
10119
10120 2005-01-25  Roger Sayle  <roger@eyesopen.com>
10121
10122         * expmed.c (choose_multiplier): Change interface to return the
10123         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
10124         (expand_divmod): Update calls to choose_multiplier.
10125
10126 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10127
10128         PR middle-end/19330
10129         * expmed.c (extract_bit_field): Use adjust_address instead of
10130         gen_lowpart when op0 is a MEM.
10131
10132 2005-01-24  Steven Bosscher  <stevenb@suse.de>
10133
10134         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
10135
10136 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10137
10138         * config/mips/irix-csr.c: New file.
10139         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10140         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10141         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10142         executables.
10143
10144 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
10145
10146         PR bootstrap/19364
10147         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
10148         sparc/elf.h, add sparc/sp-elf.h.
10149         (sparc-*-rtems*): Likewise.
10150         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
10151         tm-dwarf2.h, add sparc/sp-elf.h.
10152         (sparc86x-*-elf): Likewise.
10153         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
10154         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
10155         TARGET_OS_CPP_BUILTINS.
10156         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10157         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10158         Undefine it.
10159         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
10160         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
10161         (SWITCH_TAKES_ARG): Likewise.
10162         (LOCAL_LABEL_PREFIX): Likewise.
10163         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10164         (TARGET_N_FORMAT_TYPES): Delete.
10165         (TARGET_FORMAT_TYPES): Likewise.
10166         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10167         * config/sparc/elf.h: Delete.
10168         * config/sparc/sp-elf.h: New file.
10169
10170 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10171
10172         * tree-flow-inline.h (phi_arg_from_edge): Remove.
10173         * tree-flow.h: Remove the corresponding prototype.
10174         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
10175         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
10176
10177 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10178
10179         PR target/17751
10180         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
10181         for AIX ABI or ELF -fPIC.
10182         (rs6000_emit_load_toc_table): Don't create toc_section here.
10183         (rs6000_xcoff_file_start): Nor here.
10184
10185 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
10186
10187         * sh.c (ra.h): Don't #include.
10188         (hard_regs_intersect_p): New function, resurrected from ra.c.
10189
10190         * sh.c: Fix 1996 Copyright.
10191
10192 2005-01-24  Richard Henderson  <rth@redhat.com>
10193             Aldy Hernandez  <aldyh@redhat.com>
10194
10195         * regrename.c (note_sets): Handle subregs.
10196
10197 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
10198
10199         PR bootstrap/18058
10200         * genconditions.c (write_header, write_conditions): Elide file if
10201         not GCC >= 3.0.1.
10202
10203 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10204
10205         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
10206         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
10207         Update copyright.
10208
10209 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10210
10211         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10212         expand_builtin_printf, expand_builtin_fprintf,
10213         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
10214         checking against POINTER_TYPE.
10215         (validate_arglist): Handle POINTER_TYPE code by checking
10216         POINTER_TYPE_P.
10217
10218 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
10219
10220         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
10221         init_rtlanal): New.
10222         (for_each_rtx): Call for_each_rtx_1.
10223         * rtl.h (init_rtlanal): Declare.
10224         * toplev.c (backend_init): Call init_rtlanal.
10225
10226 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10227
10228         * flow.c (propagate_one_insn): Formatting.
10229
10230         PR middle-end/19551
10231         * flow.c (libcall_dead_p): Be more conservative if unsure.
10232         If there are any instructions between insn and call, see if they are
10233         all dead before saying the libcall is dead.
10234
10235 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
10236
10237         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
10238         operand constraint for operand 0.
10239
10240 2005-01-23  Richard Henderson  <rth@redhat.com>
10241
10242         PR 19486
10243         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
10244         edges leading to join block.
10245
10246 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10247
10248         * expmed.c (expand_mult_highpart): Make static.  Change type of
10249         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
10250         (expand_divmod): Updates calls to expand_mult_highpart by using
10251         gen_int_mode to pass a CONST_INT rtx.
10252         * rtl.h (expand_mult_highpart): Remove prototype.
10253
10254 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10255
10256         * flow.c (regset_bytes, regset_size): Remove.
10257
10258         * cfganal.c: Fix a reference to Harvey's paper.
10259
10260 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10261
10262         PR rtl-optimization/19464
10263         * tree-optimize.c (init_tree_optimization_passes): Add one more
10264         copyrename pass just before out-of-ssa.
10265
10266 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
10267
10268         PR bootstrap/18058
10269         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
10270         * ggc-none.c (ggc_free): Define.
10271
10272 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10273
10274         * cse.c (max_reg, max_insn_uid): Remove.
10275         (cse_main): Don't access max_reg or max_insn_uid.
10276
10277         * c-common.c (explicit_flag_signed_bitfields,
10278         lang_statement_code_p, lang_expand_function_end): Remove.
10279         * c-common.h: Remove the corresponding declarations.
10280         * c-opts.c (c_common_handle_option): Remove all write access
10281         to explicit_flag_signed_bitfields.
10282
10283         * cgraph.c (cgraph_varpool_n_nodes): Remove.
10284         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
10285         * cgraph.h: Remove the corresponding declaration.
10286
10287         * gcse.c (null_pointer_info): Remove.
10288
10289 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10290             Eric Botcazou  <ebotcazou@libertysurf.fr>
10291
10292         * combine.c (simplify_logical): Only simplify logical expressions
10293         of the form ior(and(x,y),z) by the inverse distributive law if the
10294         result is cheaper than the original.
10295
10296 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10297
10298         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
10299         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
10300         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
10301         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
10302         config/freebsd-spec.h, config/arm/arm.h,
10303         config/h8300/h8300.md, config/i386/i386.md,
10304         config/i386/predicates.md, config/i386/sse.md,
10305         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
10306         config/vax/vax.md: Fix comment typos.  Follow spelling
10307         conventions.
10308
10309 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10310
10311         * gengtype.c (walk_type): Produce `not equal to' compares for loop
10312         tests, instead of `less than'.
10313
10314 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
10315
10316         * function.c (assign_parm_setup_block): When creating a new stack slot
10317         for a parameter, get its alignment from the parameter's DECL_ALIGN
10318         rather than the type's TYPE_ALIGN.  Make sure that the parameter
10319         is at least word aligned.
10320
10321 2005-01-22  Roger Sayle  <roger@eyesopen.com>
10322
10323         PR middle-end/19378
10324         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
10325
10326 2005-01-22  Richard Henderson  <rth@redhat.com>
10327
10328         PR target/19506
10329         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
10330         in both compare operands.
10331         (movdfcc_1_sse_max): Likewise.
10332         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
10333         (movdfcc_1_sse): Likewise.
10334         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
10335         scratch register as needed.
10336
10337 2005-01-22  Richard Henderson  <rth@redhat.com>
10338
10339         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
10340
10341         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
10342
10343 2005-01-22  Richard Henderson  <rth@redhat.com>
10344
10345         * genopinit.c (optabs): Use smin/smax for floating point too.
10346         * doc/md.texi: Update to match.  Clarify that floating point
10347         results are undefined for +0/-0 and NaN.
10348         * doc/rtl.texi: Likewise.
10349         * rtl.def (SMIN, SMAX): Likewise
10350         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
10351
10352         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
10353         leading 's' to the name.
10354         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
10355         smaxxf3, sminxf3): Likewise.
10356         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
10357         Likewise.
10358
10359 2005-01-22  Paul Brook  <paul@codesourcery.com>
10360
10361         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
10362
10363 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
10364
10365         * config/s390/s390.c (struct processor_costs): New fields
10366         dlgr, dlr, dr, dsgfr, dsgr.
10367         (z900_cost, z990_cost): Values for new fields.
10368         (s390_rtx_costs): New cases MEM und COMPARE in switch
10369         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
10370         DIV, MOD, UDIV, UMOD.
10371
10372 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10373
10374         * config/s390/s390.md ("doloop_si64"): Reload input value directly
10375         into the register being decremented.
10376         ("doloop_si31", "doloop_di"): Likewise.
10377         ("*doloop_si_long"): Adapt pattern.
10378
10379 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10380
10381         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10382         access registers.
10383         (CLASS_MAX_NREGS): Likewise.
10384
10385 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10386
10387         * doc/tree-ssa.texi (Statement Operands): Add example for new
10388         must-def macro. Note deprecation of old operands interface.
10389
10390 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10391
10392         PR tree-optimization/19484
10393         * tree-cfg.c (remove_fallthru_edge): New function.
10394         (cleanup_control_flow): Remove fallthru edges from calls that are
10395         now known not to return.
10396
10397 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10398
10399         Fix PR tree-optimization/19038
10400         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10401         copies with loop variant ones.
10402
10403 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10404
10405         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10406         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10407         config/alpha/alpha.md, config/alpha/predicates.md,
10408         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10409         config/sparc/sol2.h: Update copyright.
10410
10411         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10412         first label to see if it is a nonlocal label.
10413
10414 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10415             Andrew Pinski  <pinskia@physics.uc.edu>
10416
10417         PR target/19491
10418         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10419         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10420
10421 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10422
10423         * config/rs6000/rtems.h: Update copyright.
10424
10425 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10426
10427         PR target/19548
10428         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10429         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10430         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10431
10432 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10433
10434         PR c/18809
10435         * c-typeck.c (convert_arguments): Check for error_mark_node.
10436
10437 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10438
10439         PR tree-optimization/13000
10440         * tree-inline.c: Include "tree-flow.h".
10441         (expand_call_inline): If warn_return_type, warn if non-void inline
10442         function falls through.
10443         * tree-cfg.c (execute_warn_function_return): Don't warn about
10444         control reaching end if TREE_NO_WARNING is set.  Set
10445         TREE_NO_WARNING.
10446         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10447         has been lowered.
10448         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10449         branch if we don't need one.
10450         * c-typeck.c: Include "tree-flow.h"
10451         (c_finish_bc_stmt): Don't add a goto if the current statement
10452         list doesn't fall through to the current point.
10453
10454 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10455
10456         PR rtl-optimization/576
10457         * real.c (real_arithmetic): Change return type from void to bool
10458         to return an indication that the result may be inexact.
10459         * real.h (real_arithmeric): Update prototype.
10460         * fold-const.c (const_binop):  Don't constant fold floating
10461         point expressions when the user specifies -frounding-math and
10462         the result may depend upon the run-time rounding mode.
10463         (fold_convert_const_real_from_real): Clean-up.
10464         (fold_initializer): Ignore flag_rounding_math for initializers.
10465         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10466         constant fold FP operations with flag_rounding_math if the
10467         result may depend upon the run-time rounding mode.
10468
10469 2005-01-21  Tom Tromey  <tromey@redhat.com>
10470
10471         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10472
10473 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10474
10475         * tree-cfg.c: Fix comment typos.
10476
10477 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10478
10479         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10480         around the call to rest_of_handle_branch_target_load_optimize.
10481
10482 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10483
10484         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10485         (sparc64-*-openbsd*): Likewise.
10486         (sparclite-*-elf*): Include tm-dwarf2.h.
10487         (sparc86x-*-elf*): Likewise.
10488         (sparc64-*-elf*): Likewise.
10489         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10490         (DBX_DEBUGGING_INFO): Likewise.
10491         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10492         (PREFERRED_DEBUGGING_TYPE): Likewise.
10493         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10494         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10495         (PREFERRED_DEBUGGING_TYPE): Likewise.
10496         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10497         (PREFERRED_DEBUGGING_TYPE): Likewise.
10498         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10499
10500 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10501
10502         PR target/18701
10503         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10504
10505 2005-01-20  Paul Brook  <paul@codesourcery.com>
10506
10507         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10508
10509 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10510
10511         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10512         label is first in a sequence of labels.
10513
10514         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10515
10516 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10517             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10518
10519         * doc/sourcebuild.texi (Test Directives): New.
10520
10521 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10522
10523         * real.c (real_floor): Don't leave the result uninitialized when
10524         mode is VOIDMode, but return the unrounded intermediate value.
10525         (real_ceil): Likewise.
10526
10527 2005-01-20  Paul Brook  <paul@codesourcery.com>
10528
10529         * config/arm/arm.md (insv): Use gen_int_mode.
10530
10531 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10532
10533         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10534         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10535         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10536         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10537         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10538
10539 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10540
10541         Fix PR debug/19124
10542         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10543         fbreg, so we have to assume we can't.
10544         (loc_descriptor_from_tree_1): Ditto.
10545         (containing_function_has_frame_base): New function.
10546         (add_location_or_const_value_attribute): Use it.
10547         Also try to generate a frame_base from a single element location
10548         list.
10549
10550 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10551
10552         PR tree-optimization/15349
10553         * timevar.def (TV_TREE_MERGE_PHI): New.
10554         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10555         PHI_WANTED.
10556         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10557         calls to tree_forwarder_block_p.
10558         (remove_forwarder_block_with_phi, merge_phi_nodes,
10559         gate_merge_phi, pass_merge_phi): New.
10560         * tree-optimize.c (init_tree_optimization_passes): Add
10561         pass_merge_phi.
10562         * tree-pass.h: Add an extern for pass_merge_phi;
10563
10564 2005-01-20  Richard Henderson  <rth@redhat.com>
10565
10566         PR target/19418
10567         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10568         (_mm_castps_pd, _mm_castps_si128): New.
10569         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10570
10571 2005-01-20  Richard Henderson  <rth@redhat.com>
10572
10573         PR target/19530
10574         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10575         __builtin_ia32_vec_init_v2si.
10576         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10577         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10578         (ix86_init_mmx_sse_builtins): Create it.
10579         (ix86_expand_builtin): Expand it.
10580         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10581         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10582         (vec_extractv2si_0, vec_extractv2si_1): New.
10583
10584 2005-01-20  Richard Henderson  <rth@redhat.com>
10585
10586         PR target/16533
10587         * config/i386/i386.c (ix86_expand_push): New.
10588         * config/i386/mmx.md (push<MMXMODE>1): New.
10589         * config/i386/sse.md (push<SSEMODE>1): New.
10590         * config/i386/i386-protos.h: Update.
10591
10592 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10593
10594         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10595         copyright.
10596
10597 2005-01-20  Richard Henderson  <rth@redhat.com>
10598
10599         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10600         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10601
10602 2005-01-19  Richard Henderson  <rth@redhat.com>
10603
10604         PR target/19350
10605         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10606         to V4SFmode in SSE1 fallback load path.
10607
10608 2005-01-19  Richard Henderson  <rth@redhat.com>
10609
10610         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10611         in QImode expansion to ix86_expand_vector_set.
10612         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10613
10614 2005-01-19  Richard Henderson  <rth@redhat.com>
10615
10616         PR target/19511
10617         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10618         subclass of the input class.
10619         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10620         Always true for cross-SSE1 classes.  Rationalize conditionals.
10621         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10622         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10623         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10624         (movdi_2): Add MMX/SSE zeros.
10625         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10626         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10627         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10628         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10629         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10630         (zero_extendsidi2_rex64_1): Remove.
10631         (MOV0 peephole): Check GENERAL_REG_P.
10632
10633 2005-01-19  Richard Henderson  <rth@redhat.com>
10634
10635         PR target/19427
10636         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10637         shufps elements.
10638         (ix86_expand_vector_extract): Likewise.
10639
10640 2005-01-19  Richard Henderson  <rth@redhat.com>
10641
10642         PR middle-end/19304
10643         * expr.c (emit_move_change_mode): New argument force; use
10644         simplify_gen_subreg if true.
10645         (emit_move_via_alt_mode): Merge into ...
10646         (emit_move_via_integer): ... here.
10647         (emit_move_ccmode): Use emit_move_change_mode directly.
10648
10649 2005-01-19  Richard Henderson  <rth@redhat.com>
10650
10651         PR target/19518
10652         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10653         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10654         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10655         rtl if true.
10656         (alpha_emit_set_const): Likewise.  Make static.
10657         (alpha_emit_set_long_const): Make static.
10658         (alpha_extract_integer): Split out from alpha_expand_mov.
10659         (alpha_split_const_mov): Likewise.
10660         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10661         (alpha_legitimate_constant_p): New.
10662         * config/alpha/alpha-protos.h: Update.
10663         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10664         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10665         * config/alpha/alpha.md (movsi): Add n alternative.
10666         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10667         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10668         (splitters for all of the above): Use alpha_split_const_mov.
10669         * config/alpha/predicates.md (non_add_const_operand): New.
10670         (non_zero_const_operand): New.
10671         (input_operand): Use alpha_legitimate_constant_p after reload.
10672
10673 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10674
10675         PR tree-optimization/19038
10676         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10677         (add_candidate): Add ivs with increment in latch only if
10678         allow_ip_end_pos_p is true.
10679         (determine_iv_cost): Use empty_block_p.
10680
10681 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10682
10683         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10684         (compute_dominance_frontiers): Ditto.
10685
10686 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10687
10688         PR target/19529
10689         * config/sh/t-rtems: New.
10690         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10691
10692 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10693
10694         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10695         the offset of the selected field.
10696
10697 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10698
10699         * tree-cfg.c (remove_forwarder_block): Fix the check to
10700         prevent a nonlocal label from appearing in the middle of a
10701         basic block.
10702
10703 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10704
10705         PR rtl-optimization/19462
10706         * reorg.c (find_end_label): Create return insn only if
10707         current_function_epilogue_delay_list is empty.
10708
10709 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10710
10711         * doc/passes.texi: Remove paragraph mentioning new-ra.
10712
10713 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10714
10715         PR rtl-optimization/15139
10716         * combine.c: Include params.h.
10717         (count_rtxs): New function.
10718         (record_value_for_reg): If replace_rtx would replace at least
10719         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10720         (clobber (const_int 0)) instead of TEM.
10721         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10722         * params.h (MAX_LAST_VALUE_RTL): New.
10723         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10724         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10725
10726         PR c/17297
10727         * c-typeck.c (digest_init): Only call build_vector if all constructor
10728         elements are *_CST nodes.
10729         * gimplify.c (gimplify_init_constructor): Likewise.
10730
10731         PR middle-end/19164
10732         * c-typeck.c (digest_init): Only call build_vector if inside_init
10733         is a CONSTRUCTOR.
10734
10735 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10736
10737         * toplev.c (init_asm_output): Remove dead #ifdef.
10738
10739 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10740
10741         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10742
10743 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10744
10745         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10746         accessing DECL_FUNCTION_CODE.
10747         * dojump.c (do_jump): Likewise.
10748         * gimplify.c (gimplify_call_expr): Likewise.
10749         * predict.c (expr_expected_value): Likewise.
10750         (strip_builtin_expect): Likewise.
10751         * tree-inline.c (estimate_num_insns_1): Likewise.
10752         * tree-ssa-loop-im.c (stmt_cost): Likewise
10753         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10754         (tree_expr_nonnegative_p): Likewise.
10755
10756 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10757
10758         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10759         variant of the load_pcrel_sym pattern.
10760         * config/sparc/sparc.md (P macro): Move to the top.
10761         (load_pcrel_sym): Macroize using P.
10762         (save_register_window): Likewise.
10763
10764 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10765
10766         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10767         ("sordered"): Same.
10768
10769 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10770
10771         PR C/19472
10772         * c-typeck.c (build_asm_expr): Strip nops off
10773         input memory operands.
10774
10775 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10776
10777         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10778         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10779         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10780         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10781
10782 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10783
10784         PR target/19379
10785         * config/i386/i386.c (override_options): If the 80387 is disabled,
10786         then do not return FP values using FP registers.
10787
10788 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10789
10790         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10791         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10792         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10793         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10794         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10795         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10796         output.h, postreload-gcse.c, postreload.c, recog.c,
10797         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10798         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10799         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10800         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10801         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10802         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10803         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10804         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10805
10806         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10807         config/alpha/alpha.c, config/arm/vfp.md,
10808         config/i386/emmintrin.h, config/i386/i386-modes.def,
10809         config/i386/i386-protos.h, config/i386/i386.h,
10810         config/i386/pmmintrin.h, config/i386/ppro.md,
10811         config/i386/predicates.md, config/i386/xmmintrin.h,
10812         config/i860/i860.c, config/ia64/ia64-modes.def,
10813         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10814         config/ia64/ia64.md, config/ia64/itanium1.md,
10815         config/ia64/itanium2.md, config/ia64/predicates.md,
10816         config/iq2000/iq2000.h, config/mips/linux64.h,
10817         config/rs6000/aix41.h, config/rs6000/aix43.h,
10818         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10819         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10820         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10821         config/sparc/linux64.h, config/sparc/litecoff.h,
10822         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10823         config/sparc/sparc.h, config/sparc/sparc.md,
10824         config/sparc/sysv4-only.h: Update copyright.
10825
10826 2005-01-18  Richard Henderson  <rth@redhat.com>
10827
10828         PR target/19496
10829         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10830
10831 2005-01-18  Marc Espie  <espie@openbsd.org>
10832         * config/i386/openbsdelf.h: Typo.
10833
10834 2005-01-18  Richard Henderson  <rth@redhat.com>
10835
10836         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10837         special case for sse.
10838         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10839
10840 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10841
10842         * tree-inline.c (estimate_num_insns_1): Added cases for
10843         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10844
10845 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10846
10847         PR rtl-optimization/19296
10848         * combine.c (simplify_comparison): Rewrite the condition under
10849         which a non-paradoxical SUBREG of a PLUS can be lifted when
10850         compared against a constant.
10851
10852 2005-01-18  Andi Kleen <ak@muc.de>
10853
10854         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10855         * c.opt (-Wpointer-sign): Add.
10856         * doc/invoke.texi: (-Wpointer-sign): Add.
10857
10858 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10859
10860         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10861         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10862         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10863         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10864         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10865         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10866         for TARGET_MIX_SSE_I387.
10867         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10868         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10869         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10870         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10871         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10872         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10873         TARGET_MIX_SSE_I387.
10874         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10875         from expander.
10876
10877 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10878
10879         PR target/19424
10880         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10881         Add movaps alternative for xmm reg->reg move.
10882
10883 2005-01-17  Jeff Law  <law@redhat.com>
10884
10885         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10886         at the end of the main DOM loop rather than just before DOM exits.
10887
10888 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10889
10890         PR tree-optimization/19121
10891         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10892         adding aliases to a name tag, also add them to the pointer's
10893         type tag.
10894         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10895         sensitive alias info at all.  Only check that the two pointers
10896         have compatible pointed-to sets.
10897         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10898         a pointer's type tag is a superset of the alias set of the
10899         pointer's name tag.
10900
10901 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10902
10903         PR target/19357
10904         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10905         comment to document why.
10906
10907 2005-01-17  Richard Henderson  <rth@redhat.com>
10908
10909         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10910         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
10911         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
10912         sse2_vmsminv2df3_finite): New.
10913         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
10914         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
10915         Force op1 into register.
10916
10917 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
10918
10919         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
10920         bubblestrap from always rebuilding build directory.
10921
10922 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
10923
10924         * config/s390/s390.md ("*clc"): Remove incorrect '='.
10925         ("*cmpmem_short"): Likewise.
10926
10927 2005-01-17  Steven Bosscher  <stevenb@suse.de>
10928
10929         * basic-block.h: Document BB_* flags.
10930         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
10931         use an sbitmap instead.
10932         * sched-rgn.c (compute_trg_info): Likewise.
10933
10934 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
10935
10936         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
10937         redundant target_cpu_default and extra_parts lines.  Use the default
10938         "from-abi" ISA.
10939         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
10940         (SUBTARGET_EXTRA_SPECS): Delete.
10941         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
10942         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
10943         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
10944         and "n32" for -mabi=n32.
10945
10946 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10947
10948         PR c/5675
10949         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
10950         fold constant variables into initial values.
10951
10952 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10953
10954         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
10955
10956         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
10957         through the statements backward.
10958
10959 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10960
10961         PR middle-end/13127:
10962         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
10963         a variable set to the return value of the inlined function.
10964
10965 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
10966
10967         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
10968         when modes are tieable.
10969
10970 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
10971
10972         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
10973         of pthread_create to find out if threads are enabled.
10974         * gthr-posix95.h (__gthread_active_p): Likewise.
10975
10976 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
10977
10978         * common.opt (-fnew-ra): Remove.
10979         * ra*.*: Remove.
10980         * toplev.h (flag_new_regalloc): Remove.
10981         * Makefile.in (ra*.*): Don't mention.
10982         * passes.c (rest_of_handle_new_regalloc): Remove.
10983         (rest_of_handle_combine, rest_of_compilation): Always consider
10984         flag_new_regalloc as false.
10985         * doc/invoke.texi: Don't document -fnew-ra.
10986
10987 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
10988
10989         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
10990         last parameter to reg_scan.
10991         * loop.c (loop_optimize): Likewise.
10992         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
10993         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
10994         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10995         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10996         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
10997         * regclass.c (reg_scan): Likewise, for the declaration.
10998         * rtl.h (reg_scan): Likewise, for the prototype.
10999
11000 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11001
11002         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11003         mark_dfs_back_edges.
11004
11005 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
11006
11007         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11008         (compute_avail): Uses don't go in tmp_gen.
11009
11010 2005-01-16  Steven Bosscher  <stevenb@suse.de>
11011
11012         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11013         loop to look for a free slot in a page entry.
11014
11015 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11016
11017         PR target/16304
11018         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11019         * toplev.c (compile_file): Call process_pending_assemble_output_defs
11020         just before targetm.asm_out.file_end.
11021         * tree.h (process_pending_assemble_output_defs): Declare.
11022         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11023         New functions.
11024         (assemble_alias): Defer generation of assembly code for defines when
11025         TARGET_DEFERRED_OUTPUT_DEFS is true.
11026         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11027         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11028         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11029
11030 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11031
11032         PR target/19336
11033         * pa.c (pa_scalar_mode_supported_p): New function.
11034         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11035         * pa.h (MIN_UNITS_PER_WORD): Add comment.
11036
11037         * pa-protos.h (prefetch_operand): Delete.
11038         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11039         * pa.c (prefetch_operand): Delete.
11040         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11041         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11042         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
11043         and prefetch_nocc_operand.
11044         * pa.md (prefetch): Rework to avoid reload problems handling short
11045         displacements when a cache control completer needs to be provided.
11046         (prefetch_32, prefetch_64): Delete.
11047         (prefetch_cc, prefetch_nocc): New patterns.
11048
11049 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
11050
11051         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11052
11053 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11054
11055         PR ada/19388
11056         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11057         exceeds maximum alignment for global common data.
11058         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11059         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11060
11061 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11062
11063         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11064
11065 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11066
11067         * harg-reg-set.h (reg_class_names): Prototype global array.
11068         * regclass.c (reg_class_names): Declare here and initialize to
11069         REG_CLASS_NAMES.
11070         (dump_regclass): Remove local declaration of reg_class_names.
11071         (regclass): Likewise.
11072         * cfg.c (dump_flow_info): Likewise.
11073         * ra-debug.c (reg_class_names): Likewise.
11074         * regrename.c (reg_class_names): Likewise.
11075         * reload.c (reg_class_names): Likewise.
11076         * reload1.c (spill_failure): Likewise.
11077         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11078
11079 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
11080
11081         * config/s390/s390.md ("reload_outti"): Remove predicate for
11082         output operand.  Abort if operand is not a MEM.
11083         ("reload_outdi", "reload_outdf"): Likewise.
11084
11085 2005-01-15  Marc Espie  <espie@openbsd.org>
11086
11087         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11088         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11089         * config/openbsd.h:  Fix C++ includes for native configurations.
11090         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
11091         Add trampoline support.
11092         * config/i386/openbsdelf.h: New.
11093
11094 2005-01-15  Marc Espie  <espie@openbsd.org>
11095
11096         * collect2.c (main): Explicitly parse -dynamic-linker option.
11097
11098 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
11099
11100         PR tree-optimization/19060
11101         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
11102         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
11103         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
11104         and handle extract_range_from_cond returning false.
11105         * fold-const.c (fold): Optimize comparisons with min/max even for
11106         width > HOST_BITS_PER_WIDE_INT.
11107
11108 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
11109
11110         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
11111         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
11112         Remove little endian multilib variants.
11113         Add mips32 multilib variant.
11114
11115 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
11116
11117         * explow.c (copy_all_reg, stabilize): Remove.
11118         * expr.h: Remove the corresponding prototypes.
11119
11120         * rtlanal.c (regs_set_between_p): Remove.
11121         * rtl.h: Remove the corresponding prototype.
11122
11123 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
11124
11125         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
11126         to rs6000_nonimmediate_operand.
11127         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
11128         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
11129         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
11130         rs6000_nonimmediate_operand.
11131         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
11132         rs6000_nonimmediate_operand.
11133
11134 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
11135
11136         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
11137
11138 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11139
11140         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
11141         on e500v2.
11142         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
11143         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
11144
11145         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
11146         (rs6k_nonimmediate_operand): New.
11147         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
11148         correctly.
11149         (legitimate_lo_sum_address_p): Same.
11150         (rs6000_legitimize_address): Same.
11151         (rs6000_legitimize_reload_address): Same.
11152         (rs6000_legitimate_address): Same.
11153         (spe_build_register_parallel): Pass DF and DC modes in a DI
11154         register.
11155
11156         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
11157         to rs6k_nonimmediate_operand.
11158
11159         * config/rs6000/spe.md ("*frob_df_di"): New.
11160         ("*frob_di_df"): New.
11161         ("*frob_di_df_2"): New.
11162         ("*mov_sidf_e500_subreg0"): New.
11163         ("*mov_sidf_e500_subreg4"): New.
11164         ("*movdf_e500_double"): Change predicate to
11165         rs6k_nonimmediate_operand.
11166
11167 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11168
11169         * postreload.c (move2add_note_store): Only call
11170         trunc_int_for_mode on scalar integers.
11171
11172 2005-01-14  Steven Bosscher  <stevenb@suse.de>
11173
11174         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
11175         replace BB_VISITED uses.
11176         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
11177         (propagate_necessity): Check the bitmap instead of BB_VISITED.
11178         (tree_dce_done): Free visited_control_parents.
11179         (perform_tree_ssa_dce): Allocate and clear it.
11180         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
11181         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
11182         instead of BB_VISITED.
11183
11184 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
11185
11186         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
11187         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
11188         Remove unused prototypes.
11189
11190 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11191
11192         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
11193         64-bit register usage.
11194         (spe_func_has_64bit_regs_p): Add FIXME note.
11195
11196 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11197
11198         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
11199         flag_finite_math_only with flag_unsafe_math_optimizations.
11200
11201 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
11202
11203         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
11204         end-of-stack check.
11205         (__tpf_eh_return): Copy TPF private stack area from the module
11206         boundary stack frame.  Add check for when module addresses are
11207         equal, but no stub address is found.
11208
11209 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
11210
11211         PR target/7525
11212         * arm.h (struct machine_function): Add call_via field.
11213         (thumb_call_via_label): Declare.
11214         * arm.c (thumb_call_via_label): New variable.
11215         (thumb_call_reg_needed): New variable.
11216         (arm_output_function_epilogue): For Thumb code, output any per-function
11217         call-indirect trampolines.
11218         (thumb_call_via_reg): New function.
11219         (arm_file_end): New function.
11220         (TARGET_ASM_FILE_END): Call arm_file_end.
11221         (aof_file_end): Likewise.
11222         * arm-protos.h (thumb_call_via_reg): Declare.
11223         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
11224         thumb_call_via_reg in normal case.
11225
11226 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
11227
11228         PR middle-end/19084
11229         PR rtl-optimization/19348
11230         * recog.c (peephole2_optimize): Do global life update if some peephole
11231         decides it doesn't need at least one of its inputs and that change
11232         influences liveness at the start of the basic block.
11233
11234         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
11235         arguments instead of 1.
11236
11237 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
11238
11239         PR middle-end/18820
11240         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
11241         zero for nested functions needing a static chain or functions
11242         with a non-constant address.
11243
11244 2005-01-13  Roger Sayle  <roger@eyesopen.com>
11245
11246         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
11247         (and (sign_extend X) C) into (zero_extend (and X C)).
11248
11249 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
11250
11251         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
11252
11253 2005-01-13  Richard Henderson  <rth@redhat.com>
11254
11255         PR target/19009
11256         PR target/19250
11257         PR target/19252
11258         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
11259         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
11260         not just TARGET_SSE.
11261         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
11262         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
11263         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
11264         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
11265         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
11266         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
11267         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
11268         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
11269         (movdicc_c_rex64): Rename with '*'.
11270         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
11271         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
11272         (movsfcc_1_387): Rename from movsfcc_1.
11273         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
11274         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
11275         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
11276         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
11277         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
11278         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
11279         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
11280         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
11281         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
11282         sse_movdfcc_const0_4): Remove.
11283         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
11284         recognize min/max early.  Update for changed sse cmove patterns.
11285         (ix86_split_sse_movcc): New.
11286         * config/i386/i386-protos.h: Update.
11287
11288 2005-01-13  Steven Bosscher  <stevenb@suse.de>
11289
11290         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
11291         (fix_stmt_v_may_defs): Likewise.
11292
11293 2005-01-13  Richard Henderson  <rth@redhat.com>
11294
11295         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
11296         for converting the mask.
11297
11298 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
11299
11300         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
11301         definition to 600.
11302
11303 2005-01-13  Richard Henderson  <rth@redhat.com>
11304
11305         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
11306         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
11307         IX86_BUILTIN_MOVDQ2Q): Remove.
11308         (IX86_BUILTIN_VEC_EXT_V4SI): New.
11309         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
11310         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
11311         shuffling.
11312         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
11313         (sse2_pextrw): Fix immediate constraint.
11314         (sse2_loadq, sse2_loadq_rex64): Remove.
11315         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
11316         Use __builtin_ia32_vec_ext_<size>.
11317         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
11318
11319 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
11320
11321         * function.c (assign_parm_setup_block): Look inside original
11322         entry_parm when inspecting PARALLEL.
11323
11324 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
11325             Joel Sherrill  <joel@oarcorp.com>
11326
11327         PR target/19399
11328         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
11329         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
11330         rtems_gxx_recursive_mutex_init.
11331         (__gthread_recursive_mutex_lock): New function.
11332         (__gthread_recursive_mutex_trylock): Likewise.
11333         (__gthread_recursive_mutex_unlock): Likewise.
11334
11335 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
11336
11337         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
11338
11339 2005-01-13  Jan Beulich  <jbeulich@novell.com>
11340
11341         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
11342         (ashrti3_internal): Indicate output is early clobber. Generate result
11343         into output rather than first input. Use move for low word of output
11344         if shift count is exactly 64.
11345         (lshrti3_internal): Likewise.
11346
11347 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
11348
11349         PR target/18329
11350         PR target/18330
11351         * reload1.c (delete_output_reload): Don't delete an output reload
11352         if the pseudo lives longer than a single basic block.  Adjust and
11353         improve wording of comment.
11354
11355 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
11356
11357         PR target/19334
11358         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
11359         of TYPE_SIZE where we mean the number of bytes.
11360
11361 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
11362
11363         * function.c (assign_parm_setup_block): Relax condition on
11364         multi-register optimization.
11365
11366 2005-01-12  Nick Clifton  <nickc@redhat.com>
11367
11368         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
11369         an "in_delay_slot" attribute of "no" to prevent them being used in
11370         delay slots.  This is forbidden because they might generate
11371         exceptions.
11372
11373 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
11374
11375         PR target/19389
11376         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
11377         with r->Y and Y->r.
11378
11379 2005-01-12  Nick Clifton  <nickc@redhat.com>
11380
11381         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11382         passed on to GAS) but do not define, as GAS no longer supports or
11383         needs the -m2000 option.
11384
11385 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11386
11387         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11388         type as args of unprototyped builtins aren't automatically promoted.
11389         (fold_builtin_abs): Likewise.
11390
11391 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11392
11393         * Makefile.in: Set a `build-warn' variable.
11394
11395 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11396
11397         PR tree-optimization/17949
11398         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11399         (find_interesting_uses_address): Use it.
11400
11401 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11402
11403         * regrename.c (kill_value): Handle subreg's that won't simplify.
11404
11405 2005-01-11  Richard Henderson  <rth@redhat.com>
11406
11407         PR target/13366
11408         * config/i386/i386.h (enum ix86_builtins): Move ...
11409         * config/i386/i386.c: ... here.
11410         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11411         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11412         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11413         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11414         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11415         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11416         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11417         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11418         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11419         IX86_BUILTIN_LOADDDUP): Remove.
11420         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11421         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11422         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11423         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11424         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11425         (ix86_init_builtins): Make static.
11426         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11427         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11428         if all the modes match.  Otherwise, fake it.
11429         (get_element_number, ix86_expand_vec_init_builtin,
11430         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11431         (ix86_expand_builtin): Make static.  Update for changed builtins.
11432         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11433         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11434         (ix86_expand_vector_init_duplicate): New.
11435         (ix86_expand_vector_init_low_nonzero): New.
11436         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11437         Split out from ix86_expand_vector_init; handle integer modes.
11438         (ix86_expand_vector_init): Use them.
11439         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11440         * config/i386/i386-protos.h: Update.
11441         * config/i386/predicates.md (reg_or_0_operand): New.
11442         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11443         (movv2sf_internal): Likewise.  And a splitter to match them all.
11444         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11445         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11446         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11447         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11448         (mmx_pinsrw): Fix operand ordering.
11449         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11450         rather than sse_loadss expander.
11451         (movv2df splitter): Similarly.
11452         (sse_loadss, sse_loadlss): Remove.
11453         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11454         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11455         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11456         (sse3_movddup): Rename with '*'.
11457         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11458         (sse2_loadsd): Remove.
11459         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11460         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11461         (sse2_pinsrw): Fix argument ordering.
11462         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11463         (sse2_stored): Remove 'r' destination.
11464         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11465         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11466         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11467         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11468         vec_extractv16qi, vec_initv16qi): New.
11469
11470         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11471         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11472         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11473         constructor form.
11474         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11475         (_mm_load_si128, _mm_store_si128): Likewise.
11476         (_mm_load1_pd): Use _mm_set1_pd.
11477         (_mm_load_sd): Use _mm_set_sd.
11478         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11479         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11480         (_mm_set_epi64): Use _mm_set_epi64x.
11481         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11482         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11483         _mm_setr_epi8): Use _mm_set_foo form.
11484         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11485         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11486         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11487         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11488         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11489         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11490         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11491         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11492         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11493         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11494         (_mm_movedup_pd): Use _mm_shuffle_pd.
11495         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11496         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11497         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11498         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11499         Use _mm_setzero_ps.
11500         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11501         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11502         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11503         (_mm_store_ps): Use raw dereference.
11504         (_mm_store1_ps): Use _mm_storeu_ps.
11505         (_mm_storer_ps): Use _mm_store_ps.
11506         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11507         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11508
11509 2005-01-11  Stan Shebs  <shebs@apple.com>
11510
11511         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11512         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11513
11514 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11515
11516         PR target/18761
11517         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11518         Skip all DECLs except for FIELD_DECLs.
11519
11520 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11521
11522         * config/s390/s390.c (override_options): Return error if
11523         -mbackchain, -mpacked-stack and -mhard-float are used together.
11524         (s390_va_start): Remove the backchain && packed-stack special case.
11525         (s390_gimplify_va_arg): Likewise.
11526         * doc/invoke.texi: Remove the ABI incompatibility note.
11527
11528 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11529
11530         * config/s390/s390.c (struct s390_frame_layout): Remove
11531         save_backchain_p.
11532         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11533         save_backchain_p with TARGET_BACKCHAIN.
11534
11535 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11536
11537         PR target/18916
11538         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11539         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11540         * function.c (locate_and_pad_parm): Set new field.
11541         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11542         Tweak where_pad test to include "none".  Always set mem align for
11543         stack_parm.
11544         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11545         not sufficient for type.
11546         (assign_parm_setup_block): If stack_parm is zero on entry, always
11547         make a new stack local.  Block move old stack parm if necessary
11548         to new aligned stack local.
11549         (assign_parm_setup_stack): Use a block move to handle
11550         potentially misaligned entry_parm.
11551         (assign_parms_unsplit_complex): Specify required alignment when
11552         creating stack local.
11553         * calls.c (compute_argument_addresses): Override alignment of stack
11554         arg calculated from its type with the alignment given by
11555         FUNCTION_ARG_BOUNDARY.
11556         (store_one_arg): Likewise.
11557
11558 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11559
11560         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11561         Change respective itanium_class attribute to ialu.
11562         (shladdp4_internal): New.
11563         * config/ia64/predicates.md (shladd_log2_operand): New.
11564
11565 2005-01-11  Richard Henderson  <rth@redhat.com>
11566
11567         * expr.c (store_constructor): Use rtvec_alloc instead of
11568         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11569
11570 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11571
11572         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11573
11574 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11575
11576         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11577         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11578         (TARGET_RWRELOC): Define.
11579         (ia64_rwreloc_section_type_flags): Delete.
11580         (ia64_section_type_flags): New function.
11581         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11582         (TARGET_RWRELOC): Define.
11583
11584 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11585
11586         PR target/18987
11587         * config/ia64/ia64.c (process_set): For alloc insn, only call
11588         process_epilogue is !frame_pointer_needed.
11589
11590 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11591
11592         PR c++/19355
11593         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11594         unary operator and can't be treated as a binary/comparison operator.
11595
11596 2005-01-10  Richard Henderson  <rth@redhat.com>
11597
11598         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11599         (ix86_return_in_memory): Likewise.
11600         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11601         for choosing register to advance.
11602
11603 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11604
11605         * tree-vectorizer.c, tree.def: Fix comment typos.
11606
11607 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11608
11609         * config/s390/s390.c (struct processor_costs): 4 new fields:
11610         ddbr, ddr, debr, der.
11611         (s390_rtx_costs): More precise handling of divide instructions.
11612
11613 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11614
11615         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11616
11617 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11618
11619         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11620         names resulting from -ffunction-sections/-fdata-sections and linkonce
11621         ones.
11622         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11623         based on the section name. Rearrange the section name comparison logic
11624         slightly so that each section name is compared against at most once.
11625
11626 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11627
11628         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11629         targets for which -fPIC reduces limitations on the GOT size.
11630
11631 2005-01-09  Falk Hueffner  <falk@debian.org>
11632
11633         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11634         X/C1 cmpop C2.
11635
11636 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11637
11638         PR target/18720
11639         * collect2.c (main): Set aixrtl_flag for -brtl option.
11640         (resolve_lib_name): Search for .so file extension before .a
11641         if aixrtl_flag set.
11642
11643 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11644
11645         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11646         (vect_analyze_data_refs_alignment): Add dump prints.
11647
11648 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11649
11650         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11651         expr_invariant_in_loop_p.
11652         Initialize outputs first thing in the function.
11653         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11654         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11655         (vect_analyze_pointer_ref_access): Check that the initial condition of
11656         the access function is loop invariant.
11657
11658 2005-01-09  Richard Henderson  <rth@redhat.com>
11659
11660         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11661         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11662         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11663         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11664         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11665         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11666         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11667         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11668         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11669         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11670         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11671         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11672         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11673         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11674         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11675         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11676         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11677         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11678         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11679         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11680         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11681         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11682         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11683         mmx_ prefix.
11684         (mmx_clrdi, pavgusb): Remove.
11685         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11686         with leading sse_ prefix.
11687         * config/i386/sse.md: Receive them.
11688         * config/i386/mmx.md: New file.
11689         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11690         (subrv2sf3): Turn into expander for normal subtraction.
11691         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11692         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11693         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11694         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11695         commutative; use ix86_binary_operator_ok.
11696         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11697         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11698         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11699         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11700         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11701         Macroize from existing patterns; use ix86_binary_operator_ok.
11702         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11703         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11704         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11705         with vec_select+vec_concat.
11706         (mmx_pshufw, mmx_pshufw_1): Likewise.
11707         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11708         (mmx_uavgv4hi3): Model correctly.
11709         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11710         _mm_xor_si64): Remove casts.
11711
11712 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11713
11714         PR tree-optimization/19224
11715         * tree-scalar-evolution.c (get_instantiated_value,
11716         set_instantiated_value): New functions.
11717         (instantiate_parameters_1): Cache the results.
11718         (instantiate_parameters, resolve_mixers): Initialize and free
11719         the cache.
11720
11721 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11722
11723         * config/i386/i386.md (addhi_4): Correct reference in comment.
11724         (addqi_4): Same.
11725
11726 2005-01-08  Richard Henderson  <rth@redhat.com>
11727
11728         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11729         (_mm_cvtsi128_si64x): Likewise.
11730         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11731         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11732         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11733         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11734         * config/i386/i386-protos.h: Update.
11735         * config/i386/i386.c (print_operand): Add 'H'.
11736         (ix86_fixup_binary_operands): Split out from ...
11737         (ix86_expand_binary_operator): ... here.
11738         (ix86_fixup_binary_operands_no_copy): New.
11739         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11740         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11741         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11742         (safe_vector_operand): Use CONST0_RTX.
11743         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11744         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11745         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11746         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11747         special cases.
11748         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11749         (IX86_BUILTIN_CMPNGESS): New.
11750         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11751         (attr type): Add sselog1.
11752         (attr unit, attr memory): Handle it.
11753         (movti, movti_internal, movti_rex64): Move near other integer moves.
11754         (movtf, movtf_internal): Move near other fp moves.
11755         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11756         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11757         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11758         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11759         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11760         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11761         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11762         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11763         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11764         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11765         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11766         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11767         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11768         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11769         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11770         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11771         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11772         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11773         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11774         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11775         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11776         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11777         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11778         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11779         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11780         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11781         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11782         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11783         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11784         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11785         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11786         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11787         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11788         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11789         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11790         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11791         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11792         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11793         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11794         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11795         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11796         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11797         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11798         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11799         same time.
11800         (SSEPUSH, push<SSEPUSH>): Remove.
11801         (MMXPUSH, push<MMXPUSH>): Remove.
11802         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11803         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11804         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11805         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11806         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11807         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11808         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11809         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11810         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11811         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11812         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11813         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11814         (ppro_sse_log_V4SF): Handle sselog1.
11815         * config/i386/predicates.md (const_0_to_1_operand): New.
11816         (const_0_to_255_mul_8_operand): New.
11817         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11818         (const_2_to_3_operand, const_4_to_7_operand): New.
11819         * config/i386/sse.md: New file.
11820         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11821         (sse_movups): Rename from sse_movups_1.
11822         (sse_loadlss): Rename from sse_loadss_1.
11823         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11824         from the name.
11825         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11826         (absv4sf2, negv2df, absv2df): New.
11827         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11828         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11829         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11830         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11831         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11832         (sse3_addsubv4sf3): Model correctly.
11833         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11834         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11835         (sse_movhlps): Model with vec_select+vec_concat.
11836         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11837         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11838         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11839         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11840         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11841         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11842         sse2_pshufhw_1): Likewise.
11843         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11844         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11845         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11846         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11847         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11848         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11849         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11850         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11851         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11852         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11853         sminv8hi3): Mark commutative
11854         operands.  Use ix86_binary_operator_ok.
11855         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11856         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11857         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11858         sse2_punpcklqdq): Allow operand2 in memory.
11859         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11860         sse2_movsd): Add memory alternatives.
11861         (sse_storelps): Turn expander into an insn; split after reload.
11862         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11863         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11864
11865 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11866
11867         * configure.ac (DWARF-2 debug_line): Use objdump.
11868         * configure: Regenerate.
11869
11870 2005-01-08  Jeff Law  <law@redhat.com>
11871             Diego Novillo  <dnovillo@redhat.com>
11872
11873         PR tree-optimization/18241
11874         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11875         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11876         statements with volatile operands.
11877         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11878         operands after marking a statement with has_volatile_ops.
11879
11880 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11881
11882         * tree.c (int_fits_type_p): Always honor integer constant
11883         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11884
11885 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11886
11887         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11888         the latent bug in rtl_delete_block has been resolved.
11889
11890 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11891
11892         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11893         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11894
11895 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11896
11897         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11898         library as @multilib_dir@/$(SHLIB_SONAME).
11899
11900 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11901
11902         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11903         * configure: Regenerate.
11904
11905 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11906
11907         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11908         TYPE_MODE.
11909
11910 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
11911
11912         PR target/13674
11913         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
11914         Convert non-word aligned offset address using ld/std into
11915         indirect address.
11916
11917 2005-01-07  Richard Henderson  <rth@redhat.com>
11918
11919         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
11920
11921 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
11922
11923         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
11924
11925 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11926
11927         PR tree-optimization/19283
11928         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
11929         is not shorter than the original type.
11930
11931         PR rtl-optimization/19012
11932         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
11933
11934         PR rtl-optimization/18861
11935         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
11936         (FULL_STATE): Define.
11937         (mark_tablejump_edge): New function.
11938         (purge_dead_tablejump_edges): New function.
11939         (find_bb_boundaries): Use it.
11940
11941         PR tree-optimization/18828
11942         * builtins.c (expand_builtin_next_arg): Remove argument and all
11943         the argument checking.
11944         (expand_builtin): Adjust caller.
11945         (expand_builtin_va_start): Likewise.  Remove error for too many
11946         arguments.
11947         (fold_builtin_next_arg): Issue error for too many arguments.
11948         After checking arguments, replace them with magic arguments that
11949         prevent further checking of the args.
11950
11951 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11952
11953         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
11954
11955 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11956
11957         PR target/6077
11958         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
11959         and %{.S:...} (and their negative variants) to test whether the
11960         input file is assembler or pre-processed-assembler independent of
11961         the actual filename extension.
11962
11963 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11964
11965         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
11966         of sign or zero extended values.
11967
11968 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
11969
11970         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
11971         for IBM long double format correctly.
11972
11973 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
11974
11975         Fix PR tree-optimization/18792
11976
11977         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
11978         to first_loop_depth, and use loop depth instead of loop number.
11979         (build_classic_dir_vector): Ditto.
11980         (compute_data_dependences_for_loop): Use depth, not loop number.
11981         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
11982         number. Pass in loops, instead of loop numbers.
11983         (gather_interchange_stats): Ditto.
11984         (linear_transform_loops): Ditto.
11985
11986 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
11987
11988         PR rtl-opt/13299
11989         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
11990         biv_fits_mode_p, extension_within_bounds_p): New functions.
11991         (check_ext_dependent_givs): Use them.
11992
11993 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11994
11995         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
11996         more than one barrier, in which case we should delete them all.
11997
11998 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
11999
12000         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12001
12002 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
12003
12004         Fix PR middle-end/19286
12005         Fix PR debug/19267
12006         * dwarf2out.c (gen_subprogram_die): If we've already tried to
12007         output this subprogram, simply ignore this attempt to do it again.
12008         (add_abstract_origin_attribute): Don't abort trying to add the abstract
12009         origin attribute if it's not possible.
12010         (gen_block_die): Don't ignore subblocks of "unused" blocks.
12011         (decls_for_scope): Ditto.
12012         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12013         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12014
12015 2005-01-05  Richard Henderson  <rth@redhat.com>
12016
12017         PR target/11327
12018         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12019         (bdesc_2arg): Use it.
12020         (ix86_expand_binop_builtin): Force operands into registers
12021         when optimizing.
12022         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12023         ix86_expand_sse_compare, ix86_expand_sse_comi,
12024         ix86_expand_builtin): Likewise.
12025
12026 2005-01-05  Richard Henderson  <rth@redhat.com>
12027
12028         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12029         and VEC_SELECT.
12030         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12031         (mulv4hi3): Set itanium_class mmmul.
12032         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12033         (fpack): Rename from fpack_sfsf.
12034
12035 2005-01-05  Richard Henderson  <rth@redhat.com>
12036
12037         PR rtl-opt/10692
12038         * reload1.c (do_input_reload): Restrict the optimization deleteing
12039         a previous output reload to RELOAD_FOR_INPUT.
12040
12041 2005-01-05  Steven Bosscher  <stevenb@suse.de>
12042
12043         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
12044         comment that we fall through after case.
12045         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12046         (distribute_links): Likewise.
12047         * cse.c (cse_insn): Likewise.
12048         * cselib.c (cselib_invalidate_mem): Likewise.
12049         * df.c: Update comments at the top of the file.
12050         (read_modify_subreg_p): Update comments here too.
12051         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12052         * flow.c (mark_set_1): Likewise.
12053         (mark_used_regs): Likewise.
12054         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12055         (canon_list_insert): Likewise.
12056         (mark_set): Likewise.
12057         (try_replace_reg): Likewise.
12058         (store_killed_in_insn): Likewise.
12059         * loop.c (count_one_set): Likewise.
12060         (basic_induction_var): Likewise.
12061         * postreload-gcse.c (find_mem_conflicts): Likewise.
12062         * postreload.c (reload_combine_note_store): Likewise.
12063         (move2add_note_store): Likewise.
12064         * reload.c (find_equiv_reg): Likewise.
12065         (mark_referenced_resources): Likewise.
12066         * rtlanal.c (set_noop_p): Likewise.
12067         (note_stores): Likewise.
12068         (note_uses): Likewise.
12069         * sched-deps.c (sched_analyze_1): Likewise.
12070         * sched-rgn.c (check_live_1): Likewise.
12071         (update_live_1): Likewise.
12072         * config/i860/i860.c: Likewise.
12073
12074         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12075         an lvalue.
12076         (ZERO_EXTRACT): Mention that this one can be an lvalue.
12077
12078         * doc/rtl.texi: Update documentation for bit-fields and SET.
12079
12080 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12081
12082         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12083
12084 2005-01-05  Jan Hubicka  <jh@suse.cz>
12085             Richard Henderson  <rth@redhat.com>
12086
12087         PR target/18910
12088         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12089         with an offset.
12090
12091 2005-01-05  Richard Henderson  <rth@redhat.com>
12092
12093         PR target/12902
12094         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12095         (sse_shufps): Change operand 3 to const_int_operand.
12096         (sse2_storelps): Fix typo in template.
12097         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
12098         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
12099         (ix86_expand_builtin): Likewise.
12100
12101 2005-01-05  Julian Brown  <julian@codesourcery.com>
12102
12103         * config/arm/arm.c (arm_return_in_memory): Treat complex types
12104         as aggregates for AAPCS ABIs.
12105
12106 2005-01-05  Stan Shebs  <shebs@apple.com>
12107
12108         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
12109         Mach-O getters if ppc64.
12110         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
12111         size argument.
12112         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
12113         signed four-byte field for global code case.
12114         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
12115
12116 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12117
12118         PR middle-end/19100
12119         * c-common.c: Include real.h.
12120         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
12121         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
12122         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
12123         * Makefile.in (c-common.o): Update dependencies.
12124
12125 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12126
12127         * c-parse.in (asm_string): Add trailing semicolon.
12128
12129 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12130
12131         * c-parse.in (asm_string): New.  Don't allow wide strings in
12132         'asm'.
12133         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
12134         asm_string instead of STRING.
12135
12136 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12137
12138         * c-typeck.c (constructor_no_implicit): Remove.
12139         (set_designator, process_init_element): Don't check
12140         constructor_no_implicit.
12141
12142 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
12143             Kaz Kojima  <kkojima@gcc.gnu.org>
12144
12145         PR target/16482
12146         * lcm.c (create_pre_exit): New.
12147         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
12148         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
12149
12150 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12151
12152         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
12153         -msoft-float in target_float_switch.
12154         * arm.c (arm_override_options): Fix processing of target_float_switch.
12155
12156 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12157
12158         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
12159         preferencing.
12160
12161 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
12162
12163         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
12164         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
12165
12166 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12167
12168         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
12169         if deleting the then-block allows the test-block to fallthru to the
12170         else-block.
12171
12172 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
12173
12174         PR c/19152
12175         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
12176         after the full declaration if the are in two different TUs.
12177
12178 2005-01-04  Richard Henderson  <rth@redhat.com>
12179
12180         PR tree-opt/19158
12181         * tree-sra.c (generate_one_element_init): Just
12182         call gimplify_and_add.
12183         (generate_element_init): Record the
12184         new referenced variables and mark them for renaming
12185         and split out to ...
12186         (generate_element_init_1): This.
12187         (scalarize_init): Don't call push_gimplify_context/
12188         pop_gimplify_context.
12189
12190 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
12191
12192         * toplev.c (get_src_pwd): Handle failure of getpwd().
12193
12194 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12195
12196         * fold-const.c (fold_single_bit_test): Delete unreachable handling
12197         of TRUTH_NOT_EXPR.
12198         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
12199         all the cases handled by it are inverted by invert_truthvalue.
12200
12201 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12202
12203         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
12204         (save_register_windowsi): Likewise.
12205
12206 2005-01-04  Richard Henderson  <rth@redhat.com>
12207
12208         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
12209
12210 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12211
12212         PR middle-end/17767
12213         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
12214         any simplifications of vector mode comparison operators.
12215         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
12216
12217 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
12218             Devang Patel  <dpatel@apple.com>
12219
12220         PR tree-optimization/18308
12221         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
12222         the operands before creating a new expression.
12223         * dojump.c (do_jump): Make drop_through_label available
12224         for all cases.  Add expansion of COND_EXPR.
12225
12226 2005-01-04  Ira Rosen  <irar@il.ibm.com>
12227
12228         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
12229         INTEGER_CST instead of TREE_CONSTANT.
12230         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
12231         instead of TREE_CONSTANT.
12232         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
12233         instead of TREE_CONSTANT.
12234
12235 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12236
12237         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
12238
12239 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12240
12241         PR target/19240
12242         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
12243         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
12244
12245 2005-01-03  Richard Henderson  <rth@redhat.com>
12246
12247         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
12248         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
12249         fold_convert_const_real_from_real): Split out from ...
12250         (fold_convert_const): ... here.
12251
12252 2005-01-03  Richard Henderson  <rth@redhat.com>
12253
12254         PR target/19235
12255         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
12256         (mov<MMXMODEI>_internal): Likewise.
12257         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
12258         Add V2SF case; use it for SSE1; don't use TI.
12259         (movdf_integer): Likewise.
12260         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
12261
12262 2005-01-03  Ira Rosen  <irar@il.ibm.com>
12263
12264         * tree-vectorizer.c (vect_strip_conversions): New function.
12265         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
12266         check for binary class.
12267
12268 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
12269
12270         Fix PR debug/17924
12271         Fix PR debug/19191
12272         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
12273         is a decl.
12274         * gimple-low.c (mark_blocks_with_used_vars): New function.
12275         (mark_blocks_with_used_subblocks): Ditto.
12276         (mark_used_blocks): Ditto.
12277         (pass_mark_used_blocks): New pass.
12278         * tree-inline.c: Include debug.h.
12279         (expand_call_inline): Call outlining_inline_function here.
12280         * tree-optimize.c (init_tree_optimization_passes): Add
12281         pass_mark_used_blocks.
12282         * tree-pass.h (pass_mark_used_blocks): New.
12283         * Makefile.in (tree-inline.o): Add debug.h dependency.
12284
12285 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
12286
12287         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
12288         VAR_DECLs to have weak_import attribute.
12289
12290         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
12291         'struct ucontext'.
12292
12293 2004-01-03  Steven Bosscher  <stevenb@suse.de>
12294
12295         * passes.c (rest_of_compilation): Don't run regmove if only
12296         flag_expensive_optimizations, require flag_regmove instead.
12297
12298 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12299
12300         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
12301         register "sparc".
12302         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
12303         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12304         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
12305         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12306
12307 2005-01-03  Richard Henderson  <rth@redhat.com>
12308
12309         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
12310         (ia64_const_ok_for_letter_p): New.
12311         (ia64_const_double_ok_for_letter_p): New.
12312         (ia64_extra_constraint): New.
12313         (ia64_expand_vecint_compare): New.
12314         (ia64_expand_vcondu_v2si): New.
12315         (ia64_expand_vecint_cmov): New.
12316         (ia64_expand_vecint_minmax): New.
12317         (ia64_print_operand): Add 'v'.
12318         (ia64_preferred_reload_class): New.
12319         (ia64_vector_mode_supported_p): New.
12320         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
12321         (PREFERRED_RELOAD_CLASS): Move to function.
12322         (CONST_OK_FOR_LETTER_P): Move to function.
12323         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
12324         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
12325         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
12326         (EXTRA_CONSTRAINT): Move to function.
12327         * config/ia64/ia64.md: Include vect.md.
12328         (itanium_class): Add mmalua.
12329         (type): Handle it.
12330         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
12331         (1b_mmalua): New.
12332         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
12333         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
12334         CONST0_RTX.
12335         (const_int_2bit_operand): New.
12336         (fr_reg_or_0_operand): New.
12337         * config/ia64/ia64-modes.def: Add vector modes.
12338         * config/ia64/ia64-protos.h: Update.
12339         * config/ia64/vect.md: New file.
12340
12341 2005-01-03  Richard Henderson  <rth@redhat.com>
12342
12343         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
12344
12345 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
12346
12347         PR target/19236
12348         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
12349         to SFmode.
12350         (log1pdf2): Change mode of operands[0,1] to DFmode.
12351
12352 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12353
12354         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
12355         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
12356         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
12357         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
12358         SPARC_RELAXED_ORDERING.
12359
12360 2005-01-03  Richard Henderson  <rth@redhat.com>
12361             Uros Bizjak  <uros@kss-loka.si>
12362
12363         PR target/14631
12364         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
12365         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
12366         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
12367         handling.
12368         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
12369         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
12370         const_pow2_1_to_128_operand): New predicates.
12371
12372 2005-01-02  Greg McGary  <greg@mcgary.org>
12373
12374         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
12375         anonymous decls.
12376         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
12377         object.  [ptr_type]: Remove unused variable.
12378         Remember nearest addressable array-element or record-component
12379         when checking bitfield components.  Tolerate empty BIND_EXPR.
12380
12381 2005-01-01  Richard Henderson  <rth@redhat.com>
12382
12383         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12384         that don't narrow the value.  Fail for other conversions.
12385
12386 2005-01-01  Richard Henderson  <rth@redhat.com>
12387
12388         PR c/19031
12389         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12390         * c-lang.c (finish_file): Don't do it here.
12391         * objc/objc-act.c (objc_finish_file): Likewise.
12392
12393         * cgraph.c (decl_assembler_name_equal): New.
12394         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12395         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12396         * cgraph.h (struct cgraph_varpool_node): Add next.
12397         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12398         * varasm.c (assemble_alias): Mark the target as needed.
12399
12400 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12401
12402         PR middle-end/19221
12403         * function.c (get_arg_pointer_save_area): Use entry_of_function
12404         instead of get_insns.
12405
12406 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12407             Andrew Pinski  <pinskia@physics.uc.edu>
12408             James E. Wilson  <wilson@specifixinc.com>
12409
12410         PR rtl-optimization/12092
12411         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12412         is zero.
12413
12414 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12415             Olivier Hainque  <hainque@act-europe.fr>
12416
12417         * tree.c (int_fits_type_p): A narrower type always fits in a
12418         wider one, except for negative values into unsigned types.
12419
12420 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12421
12422         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12423         with the original constant rather than require TREE_OVERFLOW.
12424
12425 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12426
12427         PR middle-end/17544
12428         * c-decl.c (finish_function): If compiling C99, annotate the
12429         compiler generated return with the current file name and line 0.
12430         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12431         the source line is greater than 0.
12432         (remove_bb): Likewise.