OSDN Git Service

2005-03-01 Daniel Berlin <dberlin@dberlin.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2
3         * Makefile.in (tree-ssa-sink.o): New.
4         (OBJS-common): Add tree-ssa-sink.o.
5         * common.opt: Add -ftree-sink
6         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7         * timevar.def (TV_TREE_SINK): new timevar.
8         * tree-flow.h (is_hidden_global_store): Prototype.
9         * tree-optimize.c (init_tree_optimization_passes): Add
10         pass_sink_code.
11         * tree-pass.h (pass_sink_code): New.
12         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
13         for non-obvious global store store to is_hidden_global_store, and
14         call that new function.
15         * tree-ssa-sink.c: New file.
16         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
17         * doc/passes.texi: Document forward store motion.
18         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
19         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
20         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
21         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
22
23 2005-03-01  Per Bothner  <per@bothner.com>
24
25         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
26         and we have a non-zero column-number, add it to the message.
27         Also factor out the diagnostic_kind_text.
28
29 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
30
31         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
32         flow_loop_pre_header_scan, flow_loop_pre_header_find,
33         flow_loop_scan): Removed.
34         (flow_loop_dump): Do not dump removed fields.
35         (flow_loop_free): Do not free removed fields.
36         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
37         (loop_exit_edge_p): New function.
38         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
39         num_pre_header_edges, entry_edges, num_entries, exit_edges,
40         num_exits, exits_doms.
41         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
42         LOOP_EDGES, LOOP_ALL): Removed.
43         (flow_loop_scan): Declaration removed.
44         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
45         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
46         flow_loops_find.
47         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
48         (if_convert): Call flow_loops_find and flow_loops_free
49         when calling mark_loop_exit_edges.
50         * cfgloopanal.c (mark_loop_exit_edges): Moved from
51         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
52         free_dominance_info calls.
53         * loop-init.c (flow_loops_find): Ditto.
54         * passes.c (rest_of_handle_branch_prob): Ditto.
55         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
56         * loop-unroll.c (analyze_insns_in_loop): Do not use
57         EDGE_LOOP_EXIT.
58         * predict.c (predict_loops): Do not call flow_loop_scan.
59         Use get_loop_exit_edges.
60         (tree_estimate_probability): Do not pass flags to flow_loops_find.
61         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
62         Do not use EDGE_LOOP_EXIT.
63         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
64         to bb_with_exit_edge_p.
65         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
66         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
67         to bb_with_exit_edge_p.
68         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
69         EDGE_LOOP_EXIT.
70         * tree-loop-linear.c (linear_transform_loops): Do not call
71         flow_loop_scan.  Use loop->single_exit.
72         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
73         (vect_analyze_loop_form): Do not call flow_loop_scan.
74         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
75         loop->single_exit.
76         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
77         loop->single_exit.
78         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
79         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
80         slpeel_tree_duplicate_loop_to_edge_cfg,
81         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
82         Use loop_preheader_edge and loop->single_exit.  Do not call
83         flow_loop_scan.
84
85 2005-03-01  Nick Clifton  <nickc@redhat.com>
86
87         * config/arm/arm.c (thumb_find_work_register): Check all of the
88         argument registers to see if they are free, and a couple of
89         special cases where the last argument register but can be proved
90         to be available during the function's prologue.
91         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
92         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
93         thumb_unexpanded_epilogue): Use unsigned long as the type for the
94         register bit-mask.
95         (thumb_compute_save_reg_mask): Likewise.  Also use
96         thumb_find_work_register() to ensure that there is agreement about
97         which work register is going to be used in the prologue.
98         (thumb_output_function_prologue): Use unsigned long as the type
99         for the register bit-mask.  Also delay pushing the link register if
100         other high registers are going to be pushed.
101         (thumb_compute_save_reg_mask, emit_multi_reg_push,
102         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
103         redundant prototypes.
104
105 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
106
107         PR target/19819
108         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
109         and after reload in REG+REG indexed addresses without REG_POINTER
110         set in the base and not set in the index.
111
112 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
113
114         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
115         Don't undefine here.
116         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
117         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
118         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
119         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
120         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
121         Delete.
122         * config.gcc (sh*-*-linux*): Use config/linux.h.
123
124 2005-02-28  Dale Johannesen  <dalej@apple.com>
125             Stan Shebs  <shebs@apple.com>
126
127         Rewrite of 64-bit Darwin structure-by-value pass/return.
128         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
129         intoffset, use_stack, named.
130         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
131         (rs6000_darwin64_record_arg_advance_flush):  New.
132         (rs6000_darwin64_record_arg_advance_recurse): New.
133         (rs6000_darwin64_record_arg_flush):  New.
134         (rs6000_darwin64_record_arg_recurse):  New.
135         (rs6000_darwin64_record_arg):  New.
136         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
137         (function_arg_boundary):  Handle 128-bit aligned structs.
138         (function_arg_advance):  Rewrite darwin64 struct handling.
139         (function_arg):  Call rs6000_darwin64_record_arg.
140         (function_arg_partial_nregs):  Handle darwin64 structs.
141         (rs6000_darwin64_function_value):  Remove.
142         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
143
144 2005-02-28  Roger Sayle  <roger@eyesopen.com>
145
146         PR tree-optimization/20216
147         * tree-chrec.c (tree_fold_factorial): Delete.
148         (tree_fold_binomial): Change argument list to take a return type
149         and change the type of K to unsigned int.  Rewrite to avoid explicit
150         evaluation of factorials, and (recursively) calling fold to perform
151         compile-time arithmetic.  Return NULL on (internal) overflow.
152         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
153         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
154         if any intermediate calculation overflows.
155         (chrec_apply): Update call to chrec_evaluate.
156
157 2005-02-28  James E Wilson  <wilson@specifixinc.com>
158
159         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
160
161 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
162
163         PR c/20245
164         * c-parser.c (c_parser_compound_statement): Return error_mark_node
165         instead of NULL_TREE on error.
166
167 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
168
169         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
170         (EASY_VECTOR_15_ADD_SELF): Remove.
171         (num_insns_constant_wide): Not static.
172         (validate_condition_mode): Not static.
173         (toc_relative_expr_p): Not static.
174         (legitimate_indirect_address_p): Not static.
175         (macho_lo_sum_memory_operand): Not static.
176         (invalid_e500_subreg): Not static.
177         (easy_vector_same): Not static.
178         (easy_vector_splat_const): Not static.
179         (RS6000_SYMBOL_REF_TLS_P): Remove.
180         (any_operand): Delete.
181         (any_parallel_operand): Delete.
182         (count_register_operand): Delete.
183         (altivec_register_operand): Delete.
184         (xer_operand): Delete.
185         (s8bit_cint_operand): Delete.
186         (short_cint_operand): Delete.
187         (u_short_cint_operand): Delete.
188         (non_short_cint_operand): Delete.
189         (exact_log2_cint_operand): Delete.
190         (gpc_reg_operand): Delete.
191         (cc_reg_operand): Delete.
192         (cc_reg_not_cr0_operand): Delete.
193         (reg_or_short_operand): Delete.
194         (reg_or_neg_short_operand): Delete.
195         (reg_or_aligned_short_operand): Delete.
196         (reg_or_u_short_operand): Delete.
197         (reg_or_cint_operand): Delete.
198         (reg_or_arith_cint_operand): Delete.
199         (reg_or_add_cint64_operand): Delete.
200         (reg_or_sub_cint64_operand): Delete.
201         (reg_or_logical_cint_operand): Delete.
202         (got_operand): Delete.
203         (got_no_const_operand): Delete.
204         (easy_fp_constant): Delete.
205         (easy_vector_constant): Delete.
206         (easy_vector_constant_add_self): Delete.
207         (zero_constant): Delete.
208         (zero_fp_constant): Delete.
209         (volatile_mem_operand): Delete.
210         (offsettable_mem_operand): Delete.
211         (mem_or_easy_const_operand): Delete.
212         (add_operand): Delete.
213         (non_add_cint_operand): Delete.
214         (logical_operand): Delete.
215         (non_logical_cint_operand): Delete.
216         (mask_operand): Delete.
217         (mask_operand_wrap): Delete.
218         (mask64_operand): Delete.
219         (mask64_2_operand): Delete.
220         (and64_operand): Delete.
221         (and64_2_operand): Delete.
222         (and_operand): Delete.
223         (reg_or_mem_operand): Delete.
224         (lwa_operand): Delete.
225         (symbol_ref_operand): Delete.
226         (call_operand): Delete.
227         (current_file_function_operand): Delete.
228         (input_operand): Delete.
229         (rs6000_nonimmediate_operand): Delete.
230         (rs6000_tls_symbol_ref): Delete.
231         (save_world_operation): Delete.
232         (restore_world_operation): Delete.
233         (load_multiple_operation): Delete.
234         (store_multiple_operation): Delete.
235         (vrsave_operation): Delete.
236         (mfcr_operation): Delete.
237         (mtcrf_operation): Delete.
238         (lmw_operation): Delete.
239         (stmw_operation): Delete.
240         (branch_comparison_operator): Delete.
241         (branch_positive_comparison_operator): Delete.
242         (scc_comparison_operator): Delete.
243         (trap_comparison_operator): Delete.
244         (boolean_operator): Delete.
245         (boolean_or_operator): Delete.
246         (min_max_operator): Delete.
247         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
248         (EASY_VECTOR_15): Moved to here.
249         (EASY_VECTOR_15_ADD_SELF): Move to here.
250         (PREDICATE_CODES): Delete.
251         * config/rs6000/rs6000-protos.h: Delete predicate functions.
252         Declare functions no longer static.
253         * config/rs6000/predicates.md: New.
254         * config/rs6000/rs6000.md: Include predicates.md
255
256 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
257
258         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
259         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
260         REG_ALWAYS_RETURN.
261         * cfgrtl.c (need_fake_edge_p): Likewise.
262         * combine.c (distribute_notes): Likewise.
263         * emit-rtl.c (try_split): Likewise.
264         * recog.c (peephole2_opimize): Likewise.
265         * reg-notes.def (ALWAYS_RETURN): Remove.
266         * rtl.h (LCT_ALWAYS_RETURN): Remove.
267         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
268         * tree.h (ECF_ALWAYS_RETURN): Remove.
269
270 2005-02-28  Roger Sayle  <roger@eyesopen.com>
271
272         PR middle-end/19874
273         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
274         between different machine modes is never a "useless" conversion.
275
276 2005-02-28  Geert Bosch  <bosch@gnat.com>
277
278         PR ada/15977
279         * doc/contrib.texi: List contributors for Ada front end
280
281 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
282
283         * simplify-rtx.c (simplify_unary_operation_1,
284         simplify_const_unary_operation): New, extracted from...
285         (simplify_unary_operation): ... this one.
286         (simplify_binary_operation_1,
287         simplify_const_binary_operation): New, extracted from...
288         (simplify_binary_operation): ... this one.
289         * rtl.h (simplify_const_unary_operation,
290         simplify_const_binary_operation): Add prototypes.
291
292 2005-02-28  Julian Brown  <julian@codesourcery.com>
293
294         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
295         building libjava and caused PR regression/20228.
296
297 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
298
299         PR bootstrap/17383
300         * Makefile.in (host_subdir): New.
301         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
302         * configure: Regenerate.
303
304 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
305
306         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
307         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
308         installation directory first.
309
310 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
311
312         PR target/19065.
313         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
314         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
315         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
316         * config/cris/cris.md: Tweak comments referring to Q.
317         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
318         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
319         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
320         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
321         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
322         Insert spaces in constraints to align alternatives vertically for
323         readability.
324         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
325         operand 1: "M".
326
327 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
328
329         PR rtl-optimization/17728
330         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
331         operand 0 from general_operand to move_dest_operand.
332
333 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
334
335         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
336         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
337         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
338         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
339
340 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
341
342         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
343         * configure: Regenerate.
344         * libada-mk.in: Remove CC; rename
345         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
346
347 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
348
349         PR tree-opt/20188
350         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
351         for the lhs, also walk over the tree.  Likewise for rhs.
352
353 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
354
355         * tree-ssa-dom.c (simple_iv_increment_p): New function.
356         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
357         Do not propagate value of iv before increment over the increment.
358
359 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
360
361         * c-parser.c: New file.
362         * c-parse.in: Remove.
363         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
364         Remove.
365         (c-parser.o): Add dependencies.
366         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
367         maintainer-clean, TAGS): Update.
368         * c-config-lang.in (gtfiles): Update.
369         * gengtype-lex.l: Don't handle "@@".
370         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
371         objc_build_synchronized, objc_begin_try_stmt,
372         objc_begin_catch_clause, objc_finish_catch_clause,
373         objc_build_finally_clause, objc_finish_try_stmt): New.
374         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
375         type_seen_p.
376         (c_parse_init): Update comment.
377         * c-decl.c (c_init_decl_processing): Update comment.
378         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
379         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
380         new c_declspecs members.
381
382 2005-02-25  Julian Brown  <julian@codesourcery.com>
383
384         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
385         from being used for symbols with vague linkage when
386         HAVE_GAS_COMDAT_GROUP is true.
387
388 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
389
390         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
391
392 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
393
394         PR target/19930
395         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
396         (LIBGCC2_HAS_DF_MODE): New.
397         (LIBGCC2_HAS_XF_MODE): New.
398         (LIBGCC2_HAS_TF_MODE): New.
399         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
400         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
401         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
402         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
403         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
404         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
405         and add _fixtfdi, _fixunstfdi, _floatditf
406         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
407         L_fixunstfdi, L_floatditf.
408         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
409         (LIBGCC2_HAS_TF_MODE): Define.
410
411 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
412
413         PR tree-optimization/20204
414         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
415         REWRITE_THIS_STMT markers on PHI nodes.
416         (rewrite_initialize_block): Likewise.
417
418 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
419
420         * version.c (version_string): Update to 4.1.
421
422 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
423
424         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
425         Clarify that the alternative way doesn't work in GNU C++.
426
427 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
428
429         PR tree-optimization/19937
430         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
431         to the type of the induction variable.
432
433 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
434
435         PR rtl-optimization/20117
436         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
437         the block including noncopyable insn.
438
439 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
440
441         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
442         calls to find_reg_note.
443
444 2005-02-24  Richard Henderson  <rth@redhat.com>
445
446         PR tree-opt/20127
447         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
448         the type.
449
450 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
451
452         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
453         vector types if to use base reg for misaligned non-word ld/std.
454
455 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
456
457         PR target/14619
458         * config/cris/cris.c (cris_target_asm_function_prologue): Create
459         dwarf2 label manually and put it after, not before the prologue.
460
461 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
462
463         PR target/19019
464         * reload.c (operands_match_p): Only increment register number for
465         SCALAR_INT_MODE_P modes in multiple hard registers.
466
467         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
468         Fix formatting.
469
470 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
471
472         * ChangeLog.5: Fix log message typo(s).
473         * ChangeLog.7: Likewise.
474         * ChangeLog.tree-ssa: Likewise.
475         * cfgexpand.c: Fix comment typo(s).
476         * conflict.c: Likewise.
477         * defaults.h: Likewise.
478         * dwarf2out.c: Likewise.
479         * gcse.c: Likewise.
480         * ggc-page.c: Likewise.
481         * tree-eh.c: Likewise.
482         * tree-ssa-dom.c: Likewise.
483
484 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
485
486         PR target/19019
487         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
488         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
489         if SHARED is defined.
490
491         PR target/20196
492         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
493         allow splitting only if operands 0 and 3 don't overlap.
494
495 2005-02-24  Richard Henderson  <rth@redhat.com>
496
497         PR middle-end/19953
498         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
499         (fold_builtin_1): Call them.
500         * fold-const.c (fold_complex_mult_parts): Split out from ...
501         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
502         (fold_complex_div_parts, fold_complex_div): New.
503         (fold): Use them.
504         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
505
506 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
507
508         * tree-ssa-ccp.c (visit_assignment): Verify that result of
509         VIEW_CONVERT_EXPR is_gimple_min_invariant.
510
511         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
512         (print_node): Likewise.
513         Print TYPE_SIZES_GIMPLIFIED.
514
515 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
516
517         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
518         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
519         operands as commutative in constraints.
520
521 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
522
523         * tree-into-ssa.c: Re-organize internal functions.
524
525 2005-02-24  Richard Henderson  <rth@redhat.com>
526
527         PR middle-end/18902
528         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
529         for c99.
530         * common.opt (fcx-limited-range): New.
531         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
532         * toplev.c (flag_complex_method): Initialize to 1.
533         (process_options): Set flag_complex_method to 0 if
534         flag_cx_limited_range.
535         * doc/invoke.texi (-fcx-limited-range): New.
536
537 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
538
539         * cse.c (delete_trivially_dead_insns): Speed up by using
540         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
541         prev_real_insn.
542
543 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
544
545         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
546         functions when -mid-shared-library is being used.
547
548 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
549
550         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
551         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
552         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
553         * system.h: Poison LINK_LIBGCC_SPECIAL.
554
555 2005-02-23  James E Wilson  <wilson@specifixinc.com>
556
557         * gengtype.c (note_insn_name): Make 1 element larger.
558
559 2005-02-23  Roger Sayle  <roger@eyesopen.com>
560
561         PR target/20018
562         PR rtl-optimization/20097
563         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
564         BImode SUBREGs of SImode registers which confuse the ia64 backend.
565
566 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
567
568         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
569         * t-aix52 (SHLIB_INSTALL): Same.
570
571 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
572
573         * genpreds.c: Update copyright.
574
575 2005-02-23  Michael Beach  <michaelb@ieee.org>
576
577         PR target/20159
578         * config/sparc/t-elf (startup files): Assemble with CPP.
579
580 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
581
582         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
583         (write_predicate_expr): Likewise.
584
585 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
586
587         PR tree-optimization/20100
588         PR tree-optimization/20115
589         * tree-optimize.c (init_tree_optimization_passes): Remove
590         pass_maybe_create_global_var.
591         * tree-pass.h (pass_maybe_create_global_var): Remove.
592         * tree-ssa-alias.c (aliases_computed_p): Declare.
593         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
594         (count_calls_and_maybe_create_global_var): Remove.
595         (pass_maybe_create_global_var): Remove.
596         (init_alias_info): Do not declare aliases_computed_p.
597         (maybe_create_global_var): If the function contains no
598         call-clobbered variables and a mix of pure/const and regular
599         function calls, create .GLOBAL_VAR.
600         Mark all call-clobbered variables for renaming.
601         (merge_pointed_to_info): Update comment.
602         (add_pointed_to_var): Likewise.
603         (is_escape_site): Likewise.
604         Accept struct alias_info * instead of size_t *.
605         Update all users.
606         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
607         as necessary.
608         * tree-ssa-operands.c (get_call_expr_operands): If
609         ALIASES_COMPUTED_P is false, do not add call-clobbering
610         operands.
611         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
612         (delete_tree_ssa): Likewise.
613
614 2005-02-22  James E Wilson  <wilson@specifixinc.com>
615
616         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
617         (do_compile): Do call it here.
618
619 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
620
621         PR rtl-optimization/20017.
622         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
623         rest_of_handle_cse2, rest_of_handle_gcse): Call
624         delete_dead_jumptables immediately before calling cleanup_cfg.
625
626 2005-02-22  Devang Patel  <dpatel@apple.com>
627
628         PR 19952
629         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
630         all labels
631
632 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
633
634         * config/rs6000/aix.h (WINT_TYPE): Define.
635
636 2005-02-22  Stan Shebs  <shebs@apple.com>
637
638         * config/rs6000/rs6000.c (rs6000_override_options): Default to
639         natural alignment for 64-bit Darwin.
640         (rs6000_parse_alignment_option): Warn about uses of -malign-power
641         on 64-bit Darwin.
642         * doc/invoke.texi: Document this.
643
644 2005-02-22  DJ Delorie  <dj@redhat.com>
645
646         * c-common.c (c_common_type_for_mode): Pass the mode's precision
647         to make_[un]signed_type, not the mode itself.
648
649 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
650
651         * cfg.c (cached_make_edge): Call make_edge if edge cache is
652         not available.  Use tail calls wherever possible.
653         (make_edge): Call unchecked_make_edge to create an edge.
654
655         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
656         (coalesce_ssa_name): Don't check for
657         SSANORM_USE_COALESCE_LIST.
658         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
659
660 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
661
662         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
663         (rewrite_into_ssa): ... here.
664
665 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
666
667         PR tree-optimization/19786
668         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
669         tag to another's may-alias bitmap when adding to the other's list.
670
671 2005-02-21  DJ Delorie  <dj@redhat.com>
672
673         * tree-ssa-loop-ivopts.c (computation_cost): Start register
674         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
675         registers in unsupported ways.
676         * expmed.c (init_expmed): Likewise.
677
678 2005-02-21  Stan Cox  <scox@redhat.com>
679
680         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
681
682 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
683
684         * tree-cfg.c (fold_cond_expr_cond): New.
685         (make_edges): Call fold_cond_expr_cond.
686         (find_taken_edge): Accept nothing but INTEGER_CST.
687         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
688         and 1.
689         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
690
691         * flow.c (delete_dead_jumptables): Speed up by scanning insns
692         that do not belong to any basic block.
693
694 2005-02-21  Jeff Law  <law@redhat.com>
695
696         * cfganal.c (find_unreachable_blocks): Manually CSE load of
697         e->dest.
698
699 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
700
701         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
702         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
703         Adjust their definitions.
704         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
705         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
706
707         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
708         genautomata.c, langhooks.c, langhooks.h, system.h,
709         config/arm/lib1funcs.asm: Update copyright.
710
711 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
712
713         * dbxout.c (dbxout_function_end): Emit Lscope label always.
714
715 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
716
717         PR bootstrap/13770
718         * doc/install.texi: Document --with-gc.
719
720 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
721
722         * simplify-rtx.c (simplify_unary_operation): Add a missing
723         "break" statement.
724
725 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
726
727         PR tree-optimization/18663
728         * tree-ssa-dom.c (extract_range_from_cond): Return 0
729         if the type has variable bounds.
730
731 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
732
733         * gcse.c: Remove an obsolete comment.
734
735         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
736
737 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
738
739         * doc/extend.texi (Function Attributes) <Attribute const>: The
740         attribute "pure" is below this text, not above.
741
742 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
743
744         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
745         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
746         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
747
748 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
749
750         PR 18785
751         * langhooks.h (struct lang_hooks): Add to_target_charset.
752         * langhooks.c (lhd_to_target_charset): New function.
753         * langhooks-def.h: Declare lhd_to_target_charset.
754         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
755         (LANG_HOOKS_INITIALIZER): Update.
756         * c-common.c (c_common_to_target_charset): New function.
757         * c-common.h: Declare it.
758         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
759         c_common_to_target_charset.
760
761         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
762         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
763         Delete definitions.
764         * system.h: Poison them.
765         * doc/tm.texi: Don't discuss them.
766         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
767         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
768         (pp_c_char): Do not attempt to generate letter escapes for
769         newline, tab, etc.
770         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
771         * config/mips/mips.c (mips_output_ascii): Likewise.
772
773 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
774
775         PR tree-optimization/19951
776         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
777         is abnormal.
778
779 2005-02-19  Steven Bosscher  <stevenb@suse.de>
780
781         PR middle-end/19698
782         * function.h (struct function): New field `max_loop_depth'.
783         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
784         (flow_loops_find): Reset the max loop depth count before finding loops.
785         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
786         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
787         (calculate_global_regs_live): Make sure the loop will terminate
788         when the initial sets are not empty.
789
790 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
791
792         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
793         object inside.
794         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
795
796 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
797
798         PR other/19525
799         * doc/invoke.texi: Remove documentation of %M spec.
800         * gcc.c: Likewise.
801         (init_spec): Remove %M suffix from -lgcc_s.
802         (do_spec_1): Remove 'M' case.
803         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
804         to put shared libraries in the multilib directory.  Remove the
805         shlib_so_soname substitution variable.  Don't add a multilib encoding
806         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
807         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
808         SHLIB_INSTALL as well as SHLIB_LINK.
809         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
810         (SHLIB_NAME): Delete.
811         (SHLIB_DIR): New macro.
812         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
813         (SHLIB_INSTALL): Adjust accordingly.
814         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
815         * config/t-slibgcc-sld: Likewise.
816         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
817         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
818         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
819         in $(SHLIB_DIR).
820         (SHLIBUNWIND_INSTALL): Adjust accordingly.
821         * config/i386/t-nwld (SHLIB_SONAME): Delete.
822         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
823         Use @shlib_base_name@ instead of @shlib_so_name@.
824         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
825         and @shlib_base_name@.so in @multilib_dir@.
826         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
827         to the install path.
828         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
829         (SHLIB_LINK): Remove previous workaround.
830         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
831         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
832         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
833         the install path.
834         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
835         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
836         (SHLIB_INSTALL): Adjust accordingly.
837         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
838         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
839         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
840         config/t-slibgcc-elf-ver.
841
842 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
843             Jakub Jelinek  <jakub@redhat.com>
844
845         PR tree-optimization/19828
846         * tree-ssa-loop-im.c: Add a TODO comment.
847         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
848         without side-effects.
849
850 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
851
852         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
853         call fold_convert.
854
855 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
856
857         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
858         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
859         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
860         functions.
861         (ia64_reorg): Delete fixup_errata call.
862         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
863         (TARGET_SWITCHES): Delete -mb-step entry.
864
865 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
866
867         PR c/20043
868         * c-typeck.c (composite_type): Handle quals in transparent unions.
869         (type_lists_compatible_p): Likewise.
870
871 2005-02-18  Stan Shebs  <shebs@apple.com>
872
873         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
874         expressions in the .literal8 section.
875
876 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
877
878         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
879
880 2005-02-18  Roger Sayle  <roger@eyesopen.com>
881
882         * fold-const.c (constant_boolean_node): Always create values of the
883         specified type, don't bother calling truthvalue_conversion.
884
885 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
886
887         * except.c (output_function_exception_table): Call
888         assemble_external_libcall (eh_personality_libfunc).
889
890 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
891
892         PR target/19886
893         * config/ia64/ia64.h (struct machine_function): Add state_num.
894         * config/ia64/ia64.c (process_epilogue,
895         process_for_unwind_directive): Use new unwind state numbers each
896         time rather than state 1.
897
898 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
899
900         PR target/20054
901         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
902         before the "*llgt_didi" pattern.
903
904 2005-02-18  Jason Merrill  <jason@redhat.com>
905
906         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
907
908 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
909
910         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
911         (div0): Use it in place of ARM_FUNC_ALIAS.
912         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
913
914 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
915
916         PR middle-end/20030
917         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
918         access, the lower bound of the array type if it exists.
919
920 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
921
922         PR c++/20008
923         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
924         cases that are out-of-range for the index type.
925
926 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
927
928         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
929         (estimate_case_costs): Don't call convert.
930         * expmed.c (expand_shift): Likewise.
931         (make_tree): Call fold_convert instead of convert.
932
933 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
934
935         PR c++/19813
936         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
937         that ref to be marked MEM_READONLY_P doesn't have base that needs
938         constructing.
939
940 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
941
942         * genautomata.c (output_get_cpu_unit_code_func,
943         output_cpu_unit_reservation_p): Don't generate old-style function
944         definitions.
945
946 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
947
948         PR c++/20023
949         PR tree-optimization/20009
950         * convert.c (convert_to_integer): Revert 2005-02-16 change.
951
952         PR tree-optimization/18947
953         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
954         inline, remove all nodes that are inlined into the extern inline
955         being redefined.
956
957 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
958
959         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
960         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
961         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
962         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
963         Update copyright.
964
965 2005-02-17  Roger Sayle  <roger@eyesopen.com>
966
967         PR tree-optimization/19917
968         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
969         to be potentially trapping.
970
971 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
972
973         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
974
975 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
976
977         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
978         tem becomes a local variable which is set to the value of the
979         back end defined INITIAL_FRAME_ADDRESS macro.
980         (expand_builtin_frame_address): Omit the base parameter to
981         expand_builtin_return_addr.
982         (expand_builtin_profile_func): Likewise.
983         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
984         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
985         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
986
987 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
988
989         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
990         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
991         * config/frv/frv.c (frv_function_epilogue): Likewise.
992
993 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
994
995         * lambda-code (perfect_nestify): Remove mark/unmark
996         for rewriting hack.
997         * tree-loop-linear.c (linear_transform_loops): Add
998         rewrite_into_ssa call so that ssa is correct for
999         rewriting into loop closed.
1000
1001 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1002
1003         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1004         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1005         BITMAP_FREE.
1006         * bt-load.c (btr_def_live_range, combine_btr_defs,
1007         migrate_btr_def, migrate_btr_defs): Likewise.
1008         * cfgcleanup.c (thread_jump): Likewise.
1009         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1010         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1011         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1012         df_rd_local_compute, df_reg_info_compute): Likewise.
1013         * dominance.c (init_dom_info, free_dom_info): Likewise.
1014         * flow.c (init_propagate_block_info,
1015         free_propagate_block_info): Likewise.
1016         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1017         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1018         modify_reg_pav): Likewise.
1019         * loop-invariant.c (find_defs, find_invariant_insn,
1020         find_invariants, free_inv_motion_data): Likewise.
1021         * predict.c (tree_predict_by_opcode,
1022         estimate_bb_frequencies): Likewise.
1023         * stmt.c (expand_case): Likewise.
1024         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1025         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1026         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1027         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1028         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1029         rewrite_ssa_into_ssa): Likewise.
1030         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1031         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1032         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1033         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1034         * tree-sra.c (tree_sra): Likewise.
1035         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1036         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1037         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1038         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1039         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1040         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1041         Likewise.
1042         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1043         calculate_live_on_entry, calculate_live_on_exit,
1044         build_tree_conflict_graph): Likewise.
1045         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1046         record_important_candidates, set_use_iv_cost, find_depends,
1047         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1048         tree_ssa_iv_optimize_finalize): Likewise.
1049         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1050         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1051         tree_duplicate_loop_to_header_edge): Likewise.
1052         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1053         * tree-ssa.c (verify_flow_insensitive_alias_info,
1054         verify_name_tags, verify_ssa, init_tree_ssa,
1055         delete_tree_ssa): Likewise.
1056         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1057         fini_ssanames): Likewise.
1058         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1059
1060 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1061
1062         * config/rs6000/t-rtems: Completely reworked.
1063
1064 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1065
1066         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1067
1068 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1069
1070         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1071         POINTER_TYPE_P when checking that type is a pointer.
1072         (vect_get_memtag): Remove.
1073         (vect_address_analysis): Use POINTER_TYPE_P. Call
1074         vect_object_analysis with dummy parameter for memtag.
1075         (vect_object_analysis): Extract memtag (functionality that
1076         used to be in vect_get_memtag and moved here). Fix printings.
1077         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1078         with correct parameters. Remove call to vect_get_memtag.
1079
1080 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1081
1082         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1083         (tree-vectorizer.o): Added missing dependencies.
1084
1085         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1086         decleration.
1087         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1088         declaration in tree-vectorizer.c, now has an extern declaration in
1089         tree-vectorizer.h).
1090         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1091         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1092         get_vectype_for_scalar_type, vect_is_simple_use,
1093         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1094         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1095         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1096         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1097         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1098         find_loop_location): Likewise.
1099
1100         * tree-vectorizer.c (langhooks.h): #include removed.
1101         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1102         moved to tree-vectorized.h.
1103         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1104         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1105         get_vectype_for_scalar_type, vect_is_simple_use,
1106         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1107         vect_supportable_dr_alignment, new_loop_vec_info,
1108         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1109         vect_set_verbosity_level, find_loop_location): Likewise.
1110
1111         (vect_analyze_loop): Function externalized. Declaration moved to
1112         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1113         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1114         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1115         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1116         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1117         vect_enhance_data_refs_alignment, vect_analyze_operations,
1118         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1119         vect_stmt_relevant_p, vect_get_loop_niters,
1120         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1121         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1122         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1123         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1124         vect_get_memtag): Likewise.
1125
1126         (vectorizable_load): Function externalized. Declaration moved to
1127         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1128         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1129         vect_transform_loop): Likewise.
1130         (vect_transform_stmt): Moved to tree-vect-transform.c.
1131         (vect_align_data_ref, vect_create_destination_var,
1132         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1133         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1134         vect_get_vec_def_for_operand, vect_init_vector,
1135         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1136         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1137         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1138         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1139         vect_do_peeling_for_loop_bound): Likewise.
1140
1141         * tree-vect-analyze.c: New file.
1142         * tree-vect-transform.c: New file.
1143
1144 2005-02-17  Jason Merrill  <jason@redhat.com>
1145
1146         PR mudflap/19319, c++/19317
1147         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1148         slot explicit.
1149
1150 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1151
1152         * doc/install.texi (Specific): Update link for Darwin-specific
1153         tool binary site.
1154
1155 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1156
1157         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1158         constant_boolean_node.
1159
1160 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1161
1162         PR target/19019
1163         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1164         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1165
1166 2005-02-16  Richard Henderson  <rth@redhat.com>
1167
1168         PR 19920
1169         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1170         with W_TYPE_SIZE.
1171         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1172         replace uses with Wtype_MAXp1_F.
1173         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1174         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1175         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1176         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1177         and HAVE_TFMODE as appropriate.
1178         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1179         (__floatdisf): Likewise.
1180         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1181         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1182         (Wtype_MAXp1_F): New.
1183         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1184         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1185
1186 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1187
1188         * PR target/19162
1189         * arm.c (arm_apply_result_size): New function.
1190         * arm.h (APPLY_RESULT_SIZE): Define.
1191         * arm-protos.h (arm_apply_result_size): Add prototype.
1192         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1193         (movxf): New expand.
1194         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1195         (call_value_symbol): Remove predicate for operand 0.
1196         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1197         (untyped_call): Rework to correclty return values for any type.
1198         (untyped_return): New expand.
1199         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1200
1201 2005-02-16  Stan Shebs  <shebs@apple.com>
1202
1203         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1204         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1205
1206 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1207
1208         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1209         configure settings on Solaris 7 and later.
1210
1211 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1212
1213         PR tree-optimization/19865
1214         * tree-optimize.c (init_tree_optimization_passes): Run
1215         pass_may_alias after pass_sra.
1216
1217 2005-02-16  Richard Henderson  <rth@redhat.com>
1218             Stuart Hastings  <stuart@apple.com>
1219
1220         PR debug/19521
1221         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1222         Do nothing if debug info suppressed for this function.
1223         (dbxout_begin_function): Early exit if debug info suppressed for
1224         this function.
1225
1226 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1227
1228         PR target/20007
1229         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1230         find_basic_blocks.
1231         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1232
1233         PR tree-optimization/19967
1234         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1235         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1236         argument TYPE.  Adjust calls to fold_builtin_XXX.
1237         (expand_builtin, fold_builtin_1): Adjust calls to
1238         expand_builtin_XXX.
1239         (fold_builtin_strchr, fold_builtin_strpbrk,
1240         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1241         result to a requested type TYPE.
1242
1243 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1244
1245         PR middle-end/19857
1246         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1247         (T)x & (T)cst if (T)cst overflows.
1248         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1249         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1250
1251 2005-02-15  Jeff Law  <law@redhat.com>
1252
1253         * gcse.c (blocks_with_calls): New bitmap.
1254         (alloc_gcse_mem): Allocate it.
1255         (free_gcse_mem): Free it.
1256         (clear_modifY_mem_tables): Clear it.
1257         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1258         when we encounter CALL_INSNs.
1259         (compute_transp, case MEM): Handle blocks with calls separate
1260         from blocks without calls.  Use bitmap iterators rather than
1261         FOR_EACH_BB.
1262
1263 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1264
1265         PR bootstrap/18810
1266         * mklibgcc.in (vis_hide): Use a temporary object file, not
1267         -o /dev/null.
1268
1269 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1270
1271         PR target/19924
1272         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1273         access optimization.
1274
1275 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1276             Alan Modra  <amodra@bigpond.net.au>
1277
1278         PR target/19019
1279         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1280         (_xlqsub): Rename to __gcc_qsub.
1281         (_xlqmul): Rename to __gcc_qmul.
1282         (_xlqdiv): Rename to __gcc_qdiv.
1283         Provide versioned symbol aliases with old names.
1284         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1285         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1286         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1287         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1288         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1289
1290 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1291
1292         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1293         Fold ~(A - 1) and ~(A + -1) to -A.
1294
1295 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1296
1297         PR pch/14940
1298         PR target/19300
1299         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1300         config/pa/pa-host.c:pa_gt_pch_use_address.
1301
1302 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1303
1304         * tree-vn.c (get_value_handle): Make sure that given an
1305         is_gimple_min_invariant expression, we always return it.
1306
1307 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1308
1309         * passes.c (rest_of_handle_gcse): Fix a comment.
1310
1311 2005-02-15  Jeff Law  <law@redhat.com>
1312
1313         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1314         bitmap.
1315         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1316         (canon_list_insert, record_last_mem_set_info): Similarly.
1317         (clear_modify_mem_tables): Similarly.
1318
1319 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1320
1321         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1322         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1323         config/mips/mips.md, config/rs6000/aix.h,
1324         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1325
1326 2005-02-15  Richard Henderson  <rth@redhat.com>
1327
1328         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1329         call to be best_edge.
1330
1331 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1332
1333         * basic-block.h: Adjust the prototype for find_basic_blocks.
1334         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1335         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1336         find_basic_blocks.
1337
1338         * flow.c (recompute_reg_usage): Remove all arguments.
1339         * passes.c (rest_of_compilation): Adjust the call to
1340         recompute_reg_usage.
1341         * rtl.h: Adjust the prototype for recompute_reg_usage.
1342
1343 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1344
1345         * tree-dump.c (dump_files): Update to reflect new member
1346         of dump_file_info.
1347         (dump_register): Add new argument.
1348         Set glob name.
1349         (dump_switch_p_1): Check against glob name if doglob was passed.
1350         (dump_switch_p): Check against regular first, then glob if
1351         we didn't have any hits on the dump name.
1352         * tree-optimize.c (register_one_dump_file):
1353         Pass in glob name as well.
1354         * tree-pass.h (struct dump_file_info): Add glob
1355         member.
1356
1357 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1358
1359         PR preprocessor/16323
1360         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1361
1362 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1363
1364         PR target/19019
1365         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1366         (trunctfdf2_internal1): New.
1367         (trunctfdf2_internal2): Renamed from trunctfdf2.
1368
1369 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1370
1371         PR tree-optimization/19853
1372         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1373
1374 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1375
1376         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1377         delete_dead_jumptables and cleanup_cfg.
1378
1379 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1380
1381         * reload.c (find_reloads): Swap address_reloaded flags when
1382         swapping commutative operands.
1383
1384 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1385
1386         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1387         Use standard_iv_increment_position for computing the bsi position
1388         for create_iv.
1389         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1390         the bsi position.
1391
1392 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1393
1394         PR target/17428
1395         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1396         life range of hard registers.
1397         * value-prof.c (insn_prefetch_values_to_profile): Only
1398         scan normal insns.
1399
1400         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1401         profile in libcalls.
1402
1403 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1404
1405         * bitmap.h (bitmap_and_compl_into): Return bool.
1406         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1407
1408 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1409
1410         PR tree-optimization/19944
1411         * fold-const.c (fold): Re-add ABS_EXPR folding.
1412
1413 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1414
1415         PR target/19019
1416         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1417         {TARGET,MASK}_XL_COMPAT.
1418         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1419         MASK_XL_COMPAT.
1420         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1421         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1422         TARGET_XL_COMPAT.
1423         (rs6000_arg_partial_bytes): Same.
1424         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1425         and XL compatibility enabled.
1426         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1427         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1428         test to final condition.
1429         (cmptf_internal2): New.
1430         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1431         xl-compat.  Add TFmode information to description.
1432
1433 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1434
1435         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1436
1437 2005-02-13  Jason Merrill  <jason@redhat.com>
1438
1439         PR c++/16405
1440         * fold-const.c (fold_indirect_ref_1): Split out from...
1441         (build_fold_indirect_ref): Here.
1442         (fold_indirect_ref): New fn.
1443         * tree.h: Declare it.
1444         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1445         (gimplify_modify_expr_rhs): Likewise.
1446         (gimplify_expr): Likewise.
1447
1448 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1449
1450         PR tree-optimization/14303
1451         PR tree-optimization/15784
1452         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1453         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1454         ABS_EXPR<x> != 0 to x != 0.
1455
1456 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1457
1458         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1459         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1460         spelling conventions.
1461
1462         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1463         delete_trivially_dead_insns too many times.
1464
1465         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1466         tem and tem2.
1467
1468 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1469
1470         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1471         (vect_is_simple_iv_evolution): Remove redundant parameter
1472         and step check.
1473         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1474         without last parameter.
1475         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1476         Return pointer step. Call vect_is_simple_iv_evolution without
1477         last parameter. Check only that the step is multiple of size
1478         type. Remove stmt_vinfo updates.
1479         (vect_get_memtag_and_dr): Remove.
1480         (vect_get_memtag): New function.
1481         (vect_address_analysis): New function.
1482         (vect_object_analysis): New function.
1483         (vect_analyze_data_refs): Call vect_object_analysis and
1484         vect_get_memtag. Update stmt_vinfo fields.
1485
1486 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1487
1488         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1489         exist and are objects. Remove checks for pointer.
1490         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1491         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1492         (vect_create_data_ref_ptr): Likewise.
1493         (vect_base_addr_differ_p): New function.
1494         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1495         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1496         Don't set the DR_BASE_NAME field of data-ref.
1497         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1498
1499 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1500
1501         * optabs.h (enum optab_index): Add new OTI_ldexp.
1502         (ldexp_optab): Define corresponding macro.
1503         * optabs.c (init_optabs): Initialize ldexp_optab.
1504         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1505         patterns.
1506         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1507         using ldexp_optab.
1508         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1509         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1510
1511         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1512         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1513         intrinsics.
1514
1515 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1516
1517         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1518         to base_address.
1519         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1520         stmt_vec_info.
1521         (vect_get_base_and_offset): Always return an address.
1522         (vect_create_addr_base_for_vector_ref): Remove treatment for
1523         different data reference types.
1524         (vect_compute_data_ref_alignment): Rename base to base_address in
1525         stmt_vec_info. Get the object in order to force its alignment.
1526         (vect_get_memtag_and_dr): Rename base to base_address in
1527         stmt_vec_info. Extract the object for memtag analysis.
1528
1529 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1530
1531         PR regression/19898.
1532         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1533         changes cc_status, use apply modified_in_p to part of cc_status
1534         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1535         body.
1536
1537 2005-02-11  Richard Henderson  <rth@redhat.com>
1538
1539         * tree-complex.c (expand_complex_libcall): New.
1540         (expand_complex_multiplication): Use it for c99 compliance.
1541         (expand_complex_division): Likewise.
1542         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1543         (fold): Call them.
1544         * builtins.c (built_in_names): Remove const.
1545         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1546         builtins.
1547         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1548         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1549         (built_in_names): Remove const.
1550         * c-common.c (c_common_type_for_mode): Handle complex modes.
1551         * flags.h, toplev.c (flag_complex_method): Rename from
1552         flag_complex_divide_method.
1553         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1554         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1555         * libgcc2.h: Declare them.
1556         * libgcc-std.ver: Export them.
1557         * mklibgcc.in (lib2funcs): Build them.
1558
1559 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1560
1561         PR tree-optimization/19876
1562         Partially revert my change from 2005-01-14
1563         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1564         (compute_antic): ...and remove the loop here.
1565
1566 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1567
1568         PR middle-end/19858
1569         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1570         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1571
1572         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1573         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1574
1575 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1576
1577         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1578         offsets for the big-endian 32-bit case.
1579
1580 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1581
1582         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1583
1584 2005-02-11  Dale Johannesen  <dalej@apple.com>
1585
1586         * cselib.c (cselib_process_insn):  Clear out regs where
1587         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1588         * reload.c (find_equiv_reg): Ditto.
1589
1590 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1591
1592         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1593         with no elements.
1594
1595         * tree.c (build_function_type_list): Work correctly if there are
1596         no arguments.
1597
1598 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1599
1600         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1601         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1602         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1603         TARGET_ZARCH instead of TARGET_64BIT.
1604
1605 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1606
1607         * config/rs6000/t-rtems:
1608         (MULTILIB_OPTIONS): Remove mcpu=602.
1609         (MUTLILIB_DIRNAMES): Remove m602.
1610         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1611         Let mcpu=602 match mcpu=603.
1612         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1613
1614 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1615
1616         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1617         signal trampolines.
1618
1619 2005-02-10  David Daney  <ddaney@avtrex.com>
1620
1621         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1622         * config/i386/linux-unwind.h: Likewise.
1623         * config/ia64/linux-unwind.h: Likewise.
1624         * config/mips/linux-unwind.h: Likewise.
1625         * config/pa/linux-unwind.h: Likewise.
1626         * config/rs6000/linux-unwind.h: Likewise.
1627         * config/s390/linux-unwind.h: Likewise.
1628         * config/sh/linux-unwind.h: Likewise.
1629         * config/sparc/linux-unwind.h: Likewise.
1630
1631 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1632
1633         PR tree-optimization/17549
1634         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1635         TER to replace a DEF with its expression if the DEF and the
1636         rhs of the expression we replace into have the same root
1637         variable.
1638
1639 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1640
1641         * config/mips/mips.md: Fix the placement of the match_scratch in the
1642         lea64 peephole2.
1643
1644 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1645
1646         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1647         Fix comment typos.
1648
1649 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1650
1651         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1652         (strip_offset): Handle addresses.
1653         (add_address_candidates): Use strip_offset.
1654         (difference_cost): Reflect strip_offset change.
1655         (force_var_cost, difference_cost): Strip nops.
1656
1657 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1658
1659         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1660
1661         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1662         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1663         config/cris/cris-protos.h, config/cris/cris.c: Update
1664         copyright.
1665
1666 2005-02-10  Jeff Law  <law@redhat.com>
1667
1668         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1669         (lookup_avail_expr): Similarly.
1670
1671 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1672
1673         * builtins.c (fold_builtin_powi): New function.
1674         (fold_builtin_1): Call it.
1675
1676 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1677
1678         PR documentation/19309
1679         * doc/cpp.texi: The __GNUC__ and related predefined macros
1680         are also defined for the "standalone" cpp.
1681         Some non-GCC compilers may also define __GNUC__.
1682
1683 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1684
1685         PR c/19342
1686         * c-typeck.c (common_type): New routine.  Old common_type renamed
1687         to...
1688         (c_common_type): ...this.
1689         (build_conditional_expr, build_binary_op): Use c_common_type instead
1690         of common_type.
1691
1692 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1693
1694         * doc/md.texi: Replace @samp{length} with @code{length}.
1695
1696 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1697
1698         PR tree-optimization/18687
1699         * tree-flow.h (find_loop_niter): Declare.
1700         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1701         Try using scev even for loops with more than one exit.
1702         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1703         (struct ivopts_data): Added niters field.
1704         (struct nfe_cache_elt): New.
1705         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1706         functions.
1707         (tree_ssa_iv_optimize_init): Initialize niters cache.
1708         (determine_number_of_iterations): Removed.
1709         (find_induction_variables): Do not call determine_number_of_iterations.
1710         Access niters for single exit through niter_for_single_dom_exit.
1711         (add_iv_outer_candidates): Access niters for single exit through
1712         niter_for_single_dom_exit.
1713         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1714         number_of_iterations_cond.
1715         (iv_period): New function.
1716         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1717         (may_replace_final_value): Take data argument.  Use
1718         niter_for_single_dom_exit.
1719         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1720         (rewrite_use_compare): Pass data to may_eliminate_iv.
1721         (rewrite_use_outer): Pass data to may_replace_final_value.
1722         (free_loop_data): Clean up the niters cache.
1723         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1724         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1725         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1726         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1727         (num_ending_zeros): Moved to tree.c.
1728         * tree.h (num_ending_zeros): Declare.
1729         * tree.c (num_ending_zeros): Moved from tree.c.
1730
1731 2005-02-09  Richard Henderson  <rth@redhat.com>
1732
1733         * builtins.c (DEF_BUILTIN): Add COND argument.
1734         * tree.h (DEF_BUILTIN): Likewise.
1735         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1736         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1737         match.
1738         (DEF_BUILTIN_STUB): New.
1739         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1740         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1741         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1742         * c-common.c (DEF_BUILTIN): Add COND argument.
1743         * tree.c (local_define_builtin): New.
1744         (build_common_builtin_nodes): New.
1745
1746 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1747
1748         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1749         floating point expression ignoring the sign of the result.
1750         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1751         (fold) <MULT_EXPR>: Use it to simplify x*x.
1752         * tree.h (fold_strip_sign_ops): Prototype here.
1753         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1754         argument.  Use fold_strip_sign_ops to simplify the first argument.
1755         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1756         first argument when the second argument is an even integer
1757         constant, but only with -funsafe_math_optimizations.
1758         (fold_builtin_1): Update call to fold_builtin_copysign.
1759
1760 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1761
1762         PR middle-end/19583
1763         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1764         just check whether EH_FILTER_FAILURE falls through.
1765
1766 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1767
1768         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1769         insns return to ready list in the next turn.
1770
1771 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1772
1773         PR middle-end/19402
1774         * builtins.def: New __builtin_powi[lf].
1775         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1776         (expand_builtin_powi): New function.
1777         (expand_builtin): Dispatch to expand_builtin_powi.
1778         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1779         * libgcc2.c: Add __builtin_powi[lf] implementation.
1780         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1781         * optabs.h: Add powi_optab.
1782         * optabs.c (init_optabs): Initialize powi_optab.
1783         * doc/extend.texi: Document __builtin_powi[lf].
1784
1785 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1786
1787         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1788         exists.
1789
1790 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1791
1792         PR middle-end/19854
1793         * fold-const.c (try_move_mult_to_index): Remove redundant
1794         type argument.  Create ADDR_EXPR with correct type.
1795         (fold): Update callers of try_move_mult_to_index.  Convert
1796         result to the appropriate type.
1797
1798 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1799
1800         PR target/19597
1801         * config/avr/avr.c (default_rtx_costs): Delete.
1802         (avr_operand_rtx_cost): New function.
1803         (avr_rtx_costs): Completely rewrite.
1804
1805 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1806
1807         PR target/19806
1808         * config/cris/cris.c (in_code): New variable.
1809         (cris_output_addr_const): Now a static function, a wrapper for
1810         output_addr_const.
1811         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1812         case from old cris_output_addr_const.
1813         (cris_asm_output_label_ref): Similar for LABEL_REF.
1814         (cris_output_addr_const_extra): Similar for UNSPEC.
1815         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1816         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1817         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1818         declaration.
1819         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1820         (cris_asm_output_label_ref): Declare.
1821
1822 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1823
1824         PR preprocessor/19801
1825         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1826         filenames that changed when libcpp was moved to the toplevel.
1827
1828 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1829
1830         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1831         zero extensions of BImode operands.  Call lowpart_subreg instead
1832         of gen_lowpart_common and gen_lowpart_SUBREG.
1833
1834 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1835
1836         PR ada/19489
1837         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1838         * configure.ac: Set cc_for_cross_gnattools.
1839         * configure: Regenerate.
1840
1841 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1842
1843         PR target/19803
1844         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1845
1846 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1847
1848         PR debug/19327
1849         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1850         of nested functions.
1851
1852 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1853
1854         * doc/extend.texi: Document deprecated extensions allowing
1855         static floating-point members to have initializers and allowing
1856         floating-point literals in integral constant expressions.
1857
1858 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1859
1860         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1861         config/darwin7.h, config/mips/mips.c,
1862         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1863         Update copyright.
1864
1865         * cse.c: Update comments.
1866
1867 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1868
1869         PR middle-end/19775
1870         * builtins.c (fold_builtin_sqrt): Transform
1871         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1872         pow(x,y*0.5).
1873
1874 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1875             Dorit Naishlos  <dorit@il.ibm.com>
1876
1877         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1878         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1879         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1880         was added.
1881         * tree.h (vect_set_verbosity_level): New extern function declaration
1882         added.
1883         * tree-vectorizer.h (verbosity_levels): New enum type.
1884         * tree-vectorizer.c (vect_debug_stats): Function removed.
1885         (vect_debug_details): Likewise.
1886         (vect_verbosity_level): Global variable was defined and initialized.
1887         (vect_dump): Global variable definition.
1888         (vect_print_dump_info): New function.
1889         (vect_set_dump_settings): New function.
1890         (vect_set_verbosity_level): New function.
1891         (vectorize_loops): Add call to vect_set_dump_settings.
1892
1893         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1894         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1895         (slpeel_tree_peel_loop_to_edge): Likewise.
1896
1897         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1898         appropriate verbosity level instead of call to vect_debug_details
1899         or vect_debug_stats.
1900         (vect_get_base_and_offset):
1901         (vect_create_addr_base_for_vector_ref):
1902         (get_vectype_for_scalar_type):
1903         (vect_create_data_ref_ptr):
1904         (vect_init_vector):
1905         (vect_get_vec_def_for_operand):
1906         (vect_finish_stmt_generation):
1907         (vectorizable_assignment):
1908         (vectorizable_operation):
1909         (vectorizable_store):
1910         (vectorizable_load):
1911         (vect_transform_stmt):
1912         (vect_update_ivs_after_vectorizer):
1913         (vect_do_peeling_for_loop_bound):
1914         (vect_update_inits_of_drs):
1915         (vect_do_peeling_for_alignment):
1916         (vect_transform_loop):
1917         (vect_is_simple_use):
1918         (vect_analyze_operations):
1919         (vect_is_simple_iv_evolution):
1920         (vect_analyze_scalar_cycles):
1921         (vect_analyze_data_ref_dependence):
1922         (vect_analyze_data_ref_dependences):
1923         (vect_compute_data_ref_alignment):
1924         (vect_enhance_data_refs_alignment):
1925         (vect_analyze_data_refs_alignment):
1926         (vect_analyze_data_ref_access):
1927         (vect_analyze_data_ref_accesses):
1928         (vect_analyze_pointer_ref_access):
1929         (vect_get_memtag_and_dr):
1930         (vect_analyze_data_refs):
1931         (vect_mark_relevant):
1932         (vect_stmt_relevant_p):
1933         (vect_mark_stmts_to_be_vectorized):
1934         (vect_can_advance_ivs_p):
1935         (vect_get_loop_niters):
1936         (vect_analyze_loop_form):
1937         (vect_analyze_loop):
1938         (vectorize_loops): Likewise.
1939
1940         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1941         (vect_update_inits_of_drs):
1942         (vect_do_peeling_for_alignment):
1943         (vect_transform_loop):
1944         (vect_analyze_operations):
1945         (vect_analyze_scalar_cycles):
1946         (vect_analyze_data_ref_dependences):
1947         (vect_analyze_data_refs_alignment):
1948         (vect_analyze_data_ref_accesses):
1949         (vect_analyze_data_refs):
1950         (vect_mark_stmts_to_be_vectorized):
1951         (vect_get_loop_niters):
1952         (vect_analyze_loop_form):
1953         (vect_analyze_loop): Likewise.
1954         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1955
1956 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1957
1958         PR bootstrap/19796
1959         Revert:
1960         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1961         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1962         either -ffast-math or -funsafe-math-optimizations is in use.
1963
1964         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1965         * config/mips/irix-csr.c: New file.
1966         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1967         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1968         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1969         executables.
1970
1971 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1972
1973         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1974         redundant, incorrect definitions.
1975
1976         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1977         expand.
1978         ("*tls_indirect_call"): New, reference hard regs directly.
1979         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1980
1981 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1982
1983         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1984         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1985
1986 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1987
1988         PR rtl-optimization/19800
1989         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1990         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1991         gen_lowpart.
1992
1993 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1994
1995         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1996
1997 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1998
1999         PR other/17135
2000         * doc/invoke.texi: Correct documentation of -freorder-functions.
2001
2002 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2003
2004         PR other/14402
2005         * doc/invoke.texi: Don't mention gccbug.
2006
2007 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2008             Andrew Pinski  <pinskia@physics.uc.edu>
2009             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2010
2011         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2012         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2013         into just (zero_extract:SI FOO (const_int 1) BAR).
2014
2015 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2016
2017         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2018         macro locally.  Don't give last revision date.  Use GCC version
2019         number from gcc-common.texi.
2020         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2021         revision date.  Use GCC version number from gcc-common.texi.
2022         Describe being a library as current state rather than as 3.x
2023         history.
2024         * doc/gcc.texi: Remove last update date.
2025         * doc/gccint.texi: Likewise.  Update copyright dates.
2026         * doc/install.texi: Update copyright dates.
2027
2028 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2029
2030         PR other/7549
2031         * doc/invoke.texi: Mention for each option included in -Wall that
2032         it is included in -Wall.
2033         * doc/gcc.texi: Update copyright and last modification date.
2034
2035 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2036
2037         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2038         unnecessary cast to original induction variable increments.
2039
2040 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2041
2042         PR tree-optimization/18219
2043         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2044         in distributed form.
2045
2046 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2047
2048         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2049         Set bitpos and offset later in the function.  Do nothing if the
2050         target is a register and if the bitfield lies completely outside
2051         that register.
2052         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2053         here.  Return an uninitialised register if the source value is stored
2054         in a register and the bitfield lies completely outside that register.
2055
2056 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2057
2058         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2059         not SET_DEST.
2060
2061 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2062
2063         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2064
2065 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2066
2067         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2068         * config/darwin8.h: New.
2069         * config/darwin7.h: Update comment.
2070
2071 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2072             Dorit Naishlos  <dorit@il.ibm.com>
2073
2074         * tree-vectorizer.h (LOC): New type.
2075         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2076         (loop_line_number): New field in struct _loop_vec_info.
2077         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2078
2079         * tree-vectorizer.c (input.h): Included.
2080         (find_loop_location): New function.
2081         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2082         loop line number removed.
2083         (vect_debug_details): Likewise.
2084         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2085
2086         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2087         call to vect_debug_details/stats changed from loop to loop_loc.
2088         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2089         (slpeel_tree_peel_loop_to_edge): Likewise.
2090
2091         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2092         changed from NULL to UNKNOWN_LOC.
2093         (vect_get_base_and_offset):
2094         (vect_create_addr_base_for_vector_ref):
2095         (get_vectype_for_scalar_type):
2096         (vect_create_data_ref_ptr):
2097         (vect_init_vector):
2098         (vect_get_vec_def_for_operand):
2099         (vect_finish_stmt_generation):
2100         (vectorizable_assignment):
2101         (vectorizable_operation):
2102         (vectorizable_store):
2103         (vectorizable_load):
2104         (vect_transform_stmt):
2105         (vect_update_ivs_after_vectorizer):
2106         (vect_do_peeling_for_loop_bound):
2107         (vect_do_peeling_for_alignment):
2108         (vect_transform_loop):
2109         (vect_is_simple_use):
2110         (vect_analyze_operations):
2111         (vect_is_simple_iv_evolution):
2112         (vect_analyze_scalar_cycles):
2113         (vect_analyze_data_ref_dependences):
2114         (vect_compute_data_ref_alignment):
2115         (vect_enhance_data_refs_alignment):
2116         (vect_analyze_data_ref_access):
2117         (vect_analyze_data_ref_accesses):
2118         (vect_analyze_pointer_ref_access):
2119         (vect_get_memtag_and_dr):
2120         (vect_analyze_data_refs):
2121         (vect_mark_relevant):
2122         (vect_stmt_relevant_p):
2123         (vect_mark_stmts_to_be_vectorized):
2124         (vect_can_advance_ivs_p):
2125         (vect_get_loop_niters):
2126         (vect_analyze_loop):
2127         (vectorize_loops): Likewise.
2128
2129         (vectorizable_load): Argument in call to vect_debug_details/stats
2130         changed from loop to LOOP_LOC (loop_vinfo).
2131         (vect_transform_loop):
2132         (vect_analyze_operations):
2133         (vect_analyze_scalar_cycles):
2134         (vect_analyze_data_ref_dependence):
2135         (vect_enhance_data_refs_alignment):
2136         (vect_analyze_data_ref_accesses):
2137         (vect_analyze_pointer_ref_access):
2138         (vect_analyze_data_refs):
2139         (vect_analyze_loop): Likewise.
2140
2141         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2142         changed from loop to loop_loc.
2143
2144         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2145
2146 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2147             Dorit Naishlos  <dorit@il.ibm.com>
2148
2149         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2150         declaration added.
2151         (vect_analyze_data_ref_dependences): Likewise.
2152
2153         (vect_is_simple_use): Argument changed from loop structure to
2154         loop_vect_info structure.
2155         (vect_can_advance_ivs_p): Likewise.
2156         (vect_create_index_for_vector_ref): Likewise.
2157         (vect_update_ivs_after_vectorizer): Likewise.
2158         (new_stmt_vec_info): Likewise.
2159
2160         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2161         changed from loop to loop_vinfo.
2162         (vect_create_data_ref_ptr): First argument in call to
2163         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2164         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2165         was changed from loop to loop_vinfo.
2166         (vectorizable_operation): Likewise.
2167         (vectorizable_store): Likewise.
2168         (vect_mark_stmts_to_be_vectorized): Likewise.
2169         (vect_do_peeling_for_loop_bound): First argument in call to
2170         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2171         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2172         was changed from loop to loop_vinfo.
2173         (vect_analyze_data_ref_dependences): Third argument in call to
2174         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2175
2176         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2177         (vect_create_data_ref_ptr): Likewise.
2178         (vect_init_vector): Likewise.
2179         (vect_get_vec_def_for_operand): Likewise.
2180         (vectorizable_assignment): Likewise.
2181         (vectorizable_operation): Likewise.
2182         (vectorizable_store): Likewise.
2183         (vectorizable_load): Likewise.
2184         (vect_update_ivs_after_vectorizer): Likewise.
2185         (vect_is_simple_use): Likewise.
2186         (vect_analyze_data_ref_dependence): Likewise.
2187         (vect_analyze_pointer_ref_access): Likewise.
2188         (vect_can_advance_ivs_p): Likewise.
2189
2190         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2191         before _stmt_vec_info.
2192         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2193         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2194         (new_stmt_vec_info): Argument changed from loop structure to
2195         loop_vect_info structure
2196
2197         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2198         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2199         (vect_create_addr_base_for_vector_ref): Likewise.
2200         (vect_analyze_pointer_ref_access): Likewise.
2201
2202 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2203
2204         PR tree-opt/19768
2205         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2206         phi flag if the phi is abnormal.
2207
2208 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2209
2210         PR tree-opt/19736
2211         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2212         information for the new statement.
2213
2214 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2215
2216         PR driver/19117
2217         * gcc.c (main): Include the target in -v output.
2218
2219 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2220
2221         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2222         Do not drop the extend if we'd have to add a paradoxical subreg
2223         later.  Include optabs.h and insn-codes.h.
2224         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2225
2226 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2227
2228         PR middle-end/19405
2229         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2230         * fold-const.c (const_binop): Avoid constant folding floating
2231         point operations in modes that use composite representations.
2232         * simplify-rtx.c (simplify_binary_operation): Likewise.
2233
2234 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2235
2236         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2237         a REG, not a MEM.
2238         (altivec_dstt): Likewise.
2239         (altivec_dstst): Likewise.
2240         (altivec_dststt): Likewise.
2241         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2242         of first operand.
2243
2244 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2245
2246         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2247         EXPR_LOCUS from orig_cond to the new cond_stmt.
2248         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2249         the new vec_stmt.
2250
2251 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2252
2253         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2254         standard_iv_increment_position. Remove call to bsi_next
2255         (no need to bump the iterator anymore).
2256         (vect_create_index_for_vector_ref): Call
2257         standard_iv_increment_position. Remove second function argument.
2258         (vect_finish_stmt_generation): Remove call to bsi_next
2259         (no need to bump the iterator anymore).
2260         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2261         to vect_create_index_for_vector_ref.
2262
2263 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2264
2265         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2266         phis are used out of the loop.
2267
2268 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2269
2270         PR c/17807
2271         * c-decl.c (undef_nested_function): New variable.
2272         (pop_scope): Diagnose undefined nested functions.
2273         (finish_function): Don't attempt cgraph processing or genericizing
2274         if current top-level function contained an undefined nested
2275         function.  Reset undef_nested_function at the end of a top-level
2276         function.
2277
2278 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2279
2280         * tree.c (build_int_cst_type): Take sign of the value into account
2281         when deciding whether sign extend the value.
2282
2283 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2284
2285         PR c/18502
2286         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2287         (cpp_options, cc1_options): Change %{std*&ansi} to
2288         %{std*&ansi&trigraphs}.
2289
2290 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2291
2292         * cse.c: Update comments.
2293
2294 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2295
2296         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2297         arguments go on the stack.  Do not put complex doubles in odd/even
2298         pairs.
2299
2300 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2301
2302         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2303         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2304         -ftree-pre, and -fthread-jumps.
2305
2306 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2307
2308         PR tree-optimization/19578
2309         * tree-flow.h (modified_noreturn_calls): Declare.
2310         (noreturn_call_p): Declare.
2311         * tree-flow-inline.h (noreturn_call_p): New function.
2312         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2313         * tree-cfg.c (modified_noreturn_calls): New variable.
2314         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2315         that contain a mid-block noreturn call.
2316         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2317
2318 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2319
2320         * df.c (df_def_record_1, df_uses_record): Don't use
2321         DF_FOR_REGALLOC.
2322         * df.h (DF_FOR_REGALLOC): Remove.
2323
2324 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2325
2326         PR c/19435
2327         * c-typeck.c (really_start_incremental_init): Reset
2328         constructor_max_index for arrays of incomplete type.
2329
2330 2005-02-02  Jeff Law  <law@redhat.com>
2331
2332         * gcse.c (struct reg_set): Store the block index where the register
2333         was set rather than the setting insn.
2334         (record_one_set, compute_transp): Corresponding changes.
2335         (pre_insert_copy_insn): Do not call replace_one_set.
2336         (replace_one_set): Remove.
2337
2338 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2339
2340         PR other/15514
2341         * doc/gcov.texi: Fix typo.
2342
2343 2005-02-01  Richard Henderson  <rth@redhat.com
2344
2345         PR target/19680
2346         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2347         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2348         type to bool.
2349         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2350         * config/i386/i386-protos.h: Update.
2351
2352 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2353
2354         PR tree-optimization/19217
2355         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2356         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2357         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2358         that it is walking a PHI node.
2359
2360 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2361
2362         * doc/extend.texi (Nested Functions): Update.
2363
2364 2005-02-01  Richard Henderson  <rth@redhat.com>
2365
2366         PR 19696
2367         * optabs.c (expand_copysign_absneg): Export.
2368         * optabs.h (expand_copysign_absneg): Declare.
2369         * config/rs6000/rs6000.md (copysigntf3): New.
2370
2371 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2372
2373         PR tree-optimization/19633
2374         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2375         * tree-ssa-alias.c (init_alias_info): Initialize.
2376         (merge_pointed_to_info): Set.
2377         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2378         (dump_points_to_info_for): Show value of pt_null.
2379         (struct count_ptr_d): Declare.
2380         (find_ptr_dereference): Remove.
2381         (ptr_is_dereferenced_by): Remove.
2382         (count_ptr_derefs): New local function.
2383         (count_uses_and_derefs): New local function.
2384         (compute_points_to_and_addr_escape): Call it.  If the number
2385         of dereferences is greater than zero, mark the pointer as
2386         dereferenced.  If there are fewer dereferences than uses of
2387         the pointer, the pointer's value escapes.
2388
2389 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2390
2391         PR tree-optimization/19670
2392         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2393         here...
2394         (verify_use): ... set it here, instead.
2395
2396 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2397
2398         * doc/sourcebuild.texi (Test directives): Fix formatting.
2399
2400         * doc/sourcebuild.texi (Test directives): Describe selector
2401         expressions.
2402
2403 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2404
2405         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2406         specific 64-bit CPUs.
2407
2408 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2409
2410         PR target/16201
2411         * arm.c (arm_eliminable_register): New function.
2412         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2413         HOST_WIDE_INT for address offsets.
2414         * arm-protos.h (arm_eliminable_register): Add prototype.
2415
2416 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2417
2418         PR optimization/15242
2419         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2420         * basic-block.h (duplicate_computed_gotos): Add prototype.
2421         * bb-reorder.c (duplicate_computed_gotos): New function to
2422         duplicate sufficiently small blocks ending in a computed jump.
2423         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2424         if not optimizing for size.
2425         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2426         never do tail merging for blocks ending in a computed jump.
2427         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2428
2429 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2430
2431         Patch from Richard Sandiford <rsandifo@redhat.com>
2432         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2433         from inheriting a subreg equivalence with a non-spill register.
2434
2435         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2436
2437 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2438
2439         * config/frv/frv.c (movcc_fp_destination_operand): New.
2440         (gpr_or_memory_operand): Fix typo in comment.
2441         (gpr_or_memory_operand_with_scratch): New.
2442         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2443         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2444         movcc_fp_destination_operand.
2445         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2446         Legitimize memory addresses using a scratch register.
2447
2448 2005-01-31  Jeff Law  <law@redhat.com>
2449
2450         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2451         bitmap a sparse bitmap instead of a simple bitmap.
2452         (mark_def_sites_initialize_block):  Corresponding changes.
2453         (ssa_mark_def_sites_initialize_block): Likewise.
2454         (ssa_mark_phi_uses): Likewise.
2455         (mark_def_site, ssa_mark_def_sites): Likewise.
2456         (mark_def_site_blocks): Likewise.
2457         (rewrite_ssa_into_ssa): Likewise.
2458
2459         * tree-ssa-dom.c (record_cond): Pass correct variable type
2460         for last argument to htab_find_slot_with_hash.
2461
2462         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2463         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2464
2465 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2466
2467         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2468         1_mmalua.
2469
2470 2005-02-01  Eric Christopher  <echristo@redhat.com>
2471
2472         * config/mips/mips.c (override_options): Warn if -mint64
2473         is used.
2474         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2475         deprecated.
2476
2477 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2478
2479         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2480         timestamp.
2481         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2482         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2483         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2484         (cached_regno): Initialize to INVALID_REGNUM.
2485         (cse_reg_info_table_size,
2486         cse_reg_info_table_first_uninitialized,
2487         cse_reg_info_timestamp): New.
2488         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2489         get_cse_reg_info.
2490         (init_cse_reg_info, get_cse_reg_info_1): New.
2491         (get_cse_reg_info): Cache the last look-up.
2492         (new_basic_block): Update the code to clear mappings from
2493         registers to cse_reg_info entries.
2494         (cse_main): Call init_cse_reg_info.
2495
2496         * cse.c (get_cse_reg_info): Update a comment.
2497
2498 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2499
2500         PR c/19333
2501         * c-decl.c (start_decl): Do not warn about arrays of elements with
2502         an incomplete type here.
2503         (grokdeclarator): Do it here by making a pedwarn an error.
2504         * c-typeck.c (push_init_level): If there were previous errors with
2505         the constructor type, do not warn about braces for initializers.
2506         (process_init_element): Likewise for excess initializer elements.
2507
2508 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2509
2510         * cse.c (delete_trivially_dead_insn): Don't iterate.
2511
2512 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2513
2514         * config/rs6000/rs6000.md (copysignsf3): New expand.
2515         (copysigndf3): Likewise.
2516
2517 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2518
2519         * recog.c (constrain_operands): Only look for earlyclobber operand
2520         conflicts if an '&' constraint was seen.
2521
2522 2005-01-31  Marc Espie <espie@openbsd.org>
2523
2524         * config.gcc: Don't include embedded systems fragment, switches default
2525         debugging format to ELF.
2526         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2527         longer pick it up there.
2528
2529 2005-01-31  Dale Johannesen  <dalej@apple.com>
2530
2531         * doc/extend.texi (nested functions): Fix linkage description.
2532         Clarify that static is not allowed.
2533
2534 2005-01-31  Dale Johannesen  <dalej@apple.com>
2535
2536         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2537         (movdf_low_di):  Make work.
2538
2539 2005-01-31  Dale Johannesen  <dalej@apple.com>
2540
2541         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2542         Make work for 64 bit.
2543
2544 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2545             Dale Johannesen  <dalej@apple.com>
2546
2547         PR middle-end/19650
2548         * fold-const.c (fold_binary_op_with_conditional_arg):
2549         Make types match original operands, before STRIP_NOPS.
2550
2551 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2552
2553         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2554         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2555         (struct gcc_sigcontext): Delete.  Merge contents to..
2556         (struct gcc_ucontext): ..here.
2557         (get_sigcontext): Delete.
2558         (get_regs): New function, like get_sigcontext but return regs ptr.
2559         64-bit version finds regs from r1 to support vdso.
2560         (ppc_linux_aux_vector): New function.
2561         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2562         and vector regs.
2563
2564 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2565
2566         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2567         sizetype.
2568         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2569         redundant fold. Fix misalignment for MINUS_EXPR.
2570         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2571         (vect_analyze_pointer_ref_access): Likewise.
2572         (vect_get_memtag_and_dr): Likewise.
2573
2574 2005-01-31  Richard Henderson  <rth@redhat.com>
2575
2576         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2577         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2578         absnegdf2_i387, absnegxf2_i387): Likewise.
2579
2580 2005-01-31  Richard Henderson  <rth@redhat.com>
2581
2582         PR 19696
2583         * optabs.c (expand_copysign_absneg): New.
2584         (expand_copysign_bit): Split out from ...
2585         (expand_copysign): ... here.  Use expand_copysign_absneg.
2586
2587 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2588
2589         PR middle-end/19697
2590         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2591         constant as the second operand and a register as the third.
2592
2593 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2594
2595         PR target/19704
2596         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2597         that dllimport'd functions do not use all call-clobbered registers
2598         to pass parameters.
2599
2600 2005-01-30  Richard Henderson  <rth@redhat.com>
2601
2602         PR 19696
2603         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2604         expand_abs_nojump and generalize.  Use operand_subword and
2605         emit_no_conflict_block.  Support large modes.
2606         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2607         back to maximum.
2608         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2609         negation to subtraction.
2610         (expand_copysign): Check that the format has signed zeros.
2611         Use operand_subword and emit_no_conflict_block.  Support large modes.
2612
2613 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2614
2615         Fix PR tree-optimization/19624
2616
2617         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2618         * tree-ssa-pre.c: Add cfgloop.h.
2619         Update comment.
2620         (pre_stats): New member, constified.
2621         (inserted_exprs): New static variable.
2622         (NECESSARY): New macro.
2623         (create_expression_by_pieces): Fold the expression, and
2624         mark it as defaulting to not necessary. Also put in
2625         inserted_exprs.
2626         (fully_constant_expression): New function.
2627         (insert_into_preds_of_block): Modify to not insert phis when we
2628         are playing with induction variables.
2629         Push phis onto the inserted_exprs vector, and mark them as not
2630         necessary by default.
2631         (insert_aux): Call fully_constant_expression on eprime.
2632         If all edges produce the same value, mark it constant.
2633         (mark_operand_necessary): New function.
2634         (remove_dead_inserted_code): New function.
2635         (init_pre): Init loop optimizer to get loop info.
2636         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2637         (execute_pre): Commit edge inserts, then remove dead code.
2638
2639 2005-01-30  Richard Henderson  <rth@redhat.com>
2640
2641         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2642         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2643
2644 2005-01-30  Richard Henderson  <rth@redhat.com>
2645
2646         PR target/19700
2647         * config/i386/i386.c (ix86_expand_copysign): New.
2648         (ix86_split_copysign_const): New.
2649         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2650         rearrange op1/nmask operands.
2651         * config/i386/i386-protos.h: Update.
2652         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2653         (copysigndf3): Likewise.
2654         (copysignsf3_const, copysigndf3_const): New.
2655         (copysignsf3_var): Rename from copysignsf3, split out splitter
2656         and fix split predicate for X constraint.
2657         (copysigndf3_var): Similarly.
2658
2659 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2660
2661         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2662         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2663         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2664
2665 2005-01-29  Richard Henderson  <rth@redhat.com>
2666
2667         PR target/19690
2668         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2669         of # and * in constraints.
2670
2671 2005-01-29  Richard Henderson  <rth@redhat.com>
2672
2673         PR middle-end/19689
2674         * expr.c (store_field): Don't strip sub-mode cast when the input
2675         data is even smaller.
2676
2677 2005-01-29  Richard Henderson  <rth@redhat.com>
2678
2679         PR middle-end/19687
2680         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2681         union being empty.
2682
2683 2005-01-29  Richard Henderson  <rth@redhat.com>
2684
2685         * combine.c (make_field_assignment): Fix argument order
2686         to gen_int_mode.
2687
2688 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2689
2690         PR tree-optimization/15791
2691         * fold-const.c (extract_array_ref): New function.
2692         (fold): Fold comparisons between &a[i] and &a[j] or
2693         semantically equivalent trees.
2694
2695 2005-01-29  Jeff Law  <law@redhat.com>
2696
2697         * gcse.c (insert_expr_in_table): Revamp handling of available
2698         and anticipatable occurrence lists to avoid unnecessary list
2699         walking.
2700         (insert_set_in_table): Similarly.
2701
2702 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2703
2704         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2705         build string type.
2706         (c_build_qualified_type): Build qualified array types with
2707         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2708         * c-decl.c (c_make_fname_decl): Build unqualified array type
2709         before qualified type.
2710         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2711         type is qualified, not just if type itself is.  Don't apply
2712         qualifiers to array type when declarator is processed.  Apply
2713         qualifiers to field type whether or not it is an array type.
2714         Don't handle array types specially for applying qualifiers to
2715         variables.
2716         * c-typeck.c (composite_type): Build unqualified element type and
2717         array type when forming composite of array types.
2718         (common_pointer_type, comptypes, comp_target_types,
2719         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2720         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2721         types.
2722         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2723         (args2) in variables a1 and a2.
2724
2725 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2726
2727         * cse.c (n_elements_made, max_elements_made): Remove.
2728         (insert): Don't touch n_elements_made.
2729         (cse_main): Don't touch n_elements_made or max_elements_made.
2730
2731 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2732
2733         PR target/15384
2734         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2735         configuration part of dp-bit.c to be lost.
2736
2737 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2738
2739         * expmed.c (expand_mult_highpart_optab): When attempting to use
2740         a non-widening multiplication in a wider mode, the operands need
2741         to be converted (zero or sign extended) to that mode.
2742
2743 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2744
2745         PR middle-end/16558
2746         PR middle-end/19583
2747         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2748         through if both operands fall through.
2749
2750 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2751
2752         * cse.c (fold_rtx) <PC>: Don't optimize.
2753
2754 2005-01-28  Jeff Law  <law@redhat.com>
2755
2756         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2757         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2758
2759 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2760
2761         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2762         cse_reg_info_used_list_end): Remove.
2763         (cse_reg_info_list, cse_reg_info_list_free): New.
2764         (get_cse_reg_info): When allocating an instance of
2765         cse_reg_info, add it to the beginning of the cse_reg_info_list
2766         list.  Remove code to maintain cse_reg_info_used_list.
2767         (new_basic_block): Reset the free list to the beginning of
2768         cse_reg_info_list.
2769
2770 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2771
2772         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2773         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2774         (frv_expand_mdpackh_builtin): New function.
2775         (frv_expand_builtin): Use it to expand __MDPACKH.
2776         * doc/extend.texi (__MDPACKH): Update documentation.
2777
2778 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2779
2780         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2781         SSE_FLOAT_MODE_P for use_sse computation.
2782
2783 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2784
2785         PR target/19663
2786         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2787
2788 2005-01-27  Richard Henderson  <rth@redhat.com>
2789
2790         * builtins.c (expand_builtin_copysign): New.
2791         (expand_builtin): Call it.
2792         * genopinit.c (optabs): Add copysign_optab.
2793         * optabs.c (init_optabs): Initialize it.
2794         (expand_copysign): New.
2795         * optabs.h (OTI_copysign, copysign_optab): New.
2796         (expand_copysign): Declare.
2797
2798         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2799         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2800
2801         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2802         (ix86_expand_fp_absneg_operator): ... here.
2803         (ix86_split_copysign): New.
2804         * config/i386/i386-protos.h: Update.
2805         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2806         (copysignsf3, copysigndf3): New.
2807
2808         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2809         (copysignsf3, ncopysignsf3): New.
2810         (copysigndf3, ncopysigndf3): New.
2811         (copysignxf3, ncopysignxf3): New.
2812         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2813
2814 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2815             Kazu Hirata  <kazu@cs.umass.edu>
2816
2817         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2818         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2819         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2820         NULL_RTX.
2821
2822 2005-01-27  Jeff Law  <law@redhat.com>
2823
2824         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2825         definitions of SSA_NAMEs which are not being rewritten.
2826         (rewrite_ssa_into_ssa): Only initialize the current definition
2827         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2828         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2829         SSA_NAMEs before returning.
2830
2831 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2832
2833         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2834         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2835         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2836         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2837         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2838
2839 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2840
2841         PR middle-end/17278
2842         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2843         higher to -O2 and higher.  Likewise for tree PRE.
2844         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2845         and better.
2846
2847 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2848
2849         PR middle-end/19583
2850         * gimple-low.c (try_catch_may_fallthru): New static function.
2851         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2852         * tree-inline.c (expand_call_inline): Don't warn about reaching
2853         the end of a non-void function being inlined if the function uses
2854         a return slot.
2855
2856 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2857
2858         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2859
2860         PR c/18946
2861         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2862         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2863         (implicitly_declare): Handle error_mark_node.
2864
2865 2005-01-27  Richard Henderson  <rth@redhat.com>
2866
2867         PR tree-opt/14329
2868         * tree.h (struct tree_decl): Add debug_expr_is_from.
2869         (DECL_DEBUG_EXPR_IS_FROM): New.
2870         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2871         * dwarf2out.c (dwarf2out_var_location): Update to match.
2872         * tree-outof-ssa.c (create_temp): Likewise.
2873         * var-tracking.c (track_expr_p): Likewise.
2874         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2875         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2876         * toplev.c (default_tree_printer): Likewise.
2877
2878 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2879
2880         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2881         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2882
2883 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2884
2885         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2886         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2887         ASM_CLOBBERS): Add tree checks.
2888
2889         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2890         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2891         * c-common.def (SWITCH_STMT): Update to match.
2892         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2893         macros instead of SWITCH_EXPR ones.
2894         * c-dump.c (c_dump_tree): Likewise.
2895         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2896         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2897
2898         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2899
2900 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2901
2902         * unwind-dw2.c (execute_stack_op): Add missing cases for
2903         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2904
2905 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2906
2907         * config.gcc (Obsolete configurations): Remove 'dummy', add
2908         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2909         sparc-*-openbsd*.
2910
2911 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2912
2913         PR tree-optimization/19633
2914         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2915         CALL_EXPRs.
2916         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2917         are no call-clobbered variables.
2918         * tree-outof-ssa.c (check_replaceable): Return false for calls
2919         with side-effects.
2920
2921 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2922
2923         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2924         even for variables with NULL DECL_INITIAL.
2925
2926 2005-01-26  Stuart Hastings  <stuart@apple.com>
2927
2928         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2929
2930 2005-01-26  Richard Henderson  <rth@redhat.com>
2931
2932         PR middle-end/18008
2933         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2934         field's type.
2935         * expr.c (store_field): Strip conversions to odd-bit-sized types
2936         if the destination field width matches.
2937
2938 2005-01-26  Richard Henderson  <rth@redhat.com>
2939
2940         * c-decl.c, expmed.c, expr.c: Revert last change.
2941
2942 2005-01-26  Richard Henderson  <rth@redhat.com>
2943
2944         PR middle-end/18008
2945         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2946         field's type.
2947         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2948         if we don't need the bits above those present in the current mode.
2949         * expr.c (store_field): Strip conversions to odd-bit-sized types
2950         if the destination field width matches.
2951
2952 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2953
2954         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2955         either -ffast-math or -funsafe-math-optimizations is in use.
2956
2957 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2958
2959         PR target/19293
2960         PR target/19329
2961         * config/avr/avr.c (notice_update_cc): Only set condition code for
2962         ashrqi3 if shift count > 0.
2963         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2964         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2965         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2966         count <= 0 as a no-op, and shift count >= width by copying zero
2967         or sign bit to all bits of the result.
2968         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2969         count, with attribute "length" set to 0 and "cc" set to "none".
2970
2971 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2972
2973         * doc/invoke.texi: Document -mTLS.
2974
2975         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2976         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2977         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2978         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2979         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2980         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2981         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2982         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2983
2984         * configure.ac: Check for a TLS capable gas.
2985
2986         * configure: Regenerate.
2987
2988 2005-01-26  Richard Henderson  <rth@redhat.com>
2989
2990         PR middle-end/18008
2991         * combine.c (make_field_assignment): Simplify store to zero_extract
2992         from a source with an overlapping mask.
2993
2994 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2995
2996         2004-11-11  Eric Christopher  <echristo@redhat.com>
2997
2998         * config/frv/frv.md: Add fr400_integer automaton. Don't
2999         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3000         to TYPE_MACC.
3001
3002 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3003
3004         PR middle-end/16585
3005         * cfgbuild.c (make_edges): Do not clear or set
3006         current_function_has_computed_jump.
3007         * function.h (struct function): Remove the has_computed_jump field.
3008         (current_function_has_computed_jump): Do not define.
3009         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3010         in a computed jump.  Ignore current_function_has_computed_jump.
3011
3012 2005-01-26  Richard Henderson  <rth@redhat.com>
3013
3014         PR middle-end/19515
3015         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3016         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3017         fully initialized.
3018         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3019         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3020         objects into static storage if they have more than one non-zero value.
3021         * tree.h (categorize_ctor_elements): Update decl.
3022
3023 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3024
3025         PR middle-end/19616
3026         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3027         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3028         to this function from 2004-07-10.
3029         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3030         the current function for tail call optimizations if the address
3031         of one of it its arguments is taken.
3032
3033 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3034
3035         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3036
3037 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3038
3039         * function.c (expand_function_end): If current_function_calls_alloca,
3040         emit stack restore in a place that is reached when the function falls
3041         through at the end.
3042
3043 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3044
3045         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3046         rule to avoid matching inappropriate suffix rule.
3047
3048 2005-01-26  Jan Hubicka  <jh@suse.cz>
3049
3050         PR tree-optimization/19241
3051         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3052
3053 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3054
3055         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3056         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3057         of doubling.
3058         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3059         <sim*>: Always use crt1.o, regardless of N in simN.
3060         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3061         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3062         (CRT_CALL_STATIC_FUNCTION): Remove.
3063         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3064         use crt1.o, regardless of N in simN.
3065         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3066         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3067         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3068         case isystem setting.
3069         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3070
3071 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3072
3073         * gimple-low.c (block_may_fallthru): Correct handling of
3074         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3075
3076 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3077
3078         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3079         handlers to match indentation; nested under the mtune=* handler.
3080         Similar for mcpu= and march=.
3081
3082 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3083
3084         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3085         * config/mips/linux64.h (LIB_SPEC): Likewise.
3086         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3087         * config/sh/linux.h (LIB_SPEC): Likewise.
3088
3089 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3090
3091         * config/frv/frv.c (frv_legitimize_tls_address): New.
3092         (TARGET_HAVE_TLS): Define.
3093         (FRV_SYMBOL_REF_TLS_P): Define.
3094         (frv_override_options): Handle new register classes.
3095         (frv_legitimate_address_p): Reject tls addresses.
3096         (frv_legitimize_address): Handle TLS addresses.
3097         (gen_inlined_tls_plt): New.
3098         (gen_tlsmoff): New.
3099         (frv_legitimize_tls_address): New.
3100         (unspec_got_name): Add TLS entries.
3101         (got12_operand): Add R_FRV_TLSMOFF12 case.
3102         (frv_emit_move): Fixup TLS addresses.
3103         (frv_emit_movsi): Legitimize TLS addresses.
3104
3105         * config/frv/frv.h (MASK_BIG_TLS): New.
3106         (TARGET_BIG_TLS): New.
3107         (HAVE_AS_TLS): Define.
3108         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3109         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3110         (REG_CLASS_NAMES): Same.
3111         (REG_CLASS_CONTENTS): Same.
3112         (CONSTRAINT_LEN): New.
3113         (REG_CLASS_FROM_CONSTRAINT): New.
3114         (PREDICATE_CODES): Add symbolic_operand.
3115
3116         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3117         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3118         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3119         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3120         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3121         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3122         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3123         GR9_REG, GR14_REG, LRREG.
3124         (type): Add load_or_call attribute.
3125         ("load_or_call"): New reservation.
3126         ("call_gettlsoff"): New.
3127         ("tls_indirect_call"): New.
3128         ("tls_load_gottlsoff12"): New.
3129         ("tlsoff_hilo"): New.
3130         ("tls_tlsdesc_ldd"): New.
3131         ("tls_tlsoff_ld"): New.
3132         ("tls_lddi"): New.
3133
3134         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3135
3136         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3137
3138         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3139         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3140         * config/frv/frv.c (TLS_BIAS): Define.
3141         (frv_output_dwarf_dtprel): New.
3142
3143 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR rtl-optimization/19579
3146         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3147         both A and B, see if they don't clobber registers the other expr uses.
3148
3149 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3150
3151         * real.c (do_add): Initialize signalling and canonical members.
3152
3153         * real.c (real_from_integer): Zero out destination.
3154
3155 2005-01-18  Jan Hubicka  <jh@suse.cz>
3156
3157         PR tree-optimize/19337
3158         * tree-inline.c (initialize_inlined_parameters): Copy
3159         saved_static_chain_decl only.
3160
3161 2005-01-25  Richard Henderson  <rth@redhat.com>
3162
3163         PR target/19556
3164         PR target/19584
3165         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3166         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3167         80387 enabled, to return a proper subclass.  Return the subset that
3168         overlaps with GENERAL_REGS for PLUS.
3169         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3170
3171 2005-01-25  Richard Henderson  <rth@redhat.com>
3172
3173         PR middle-end/19609
3174         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3175
3176 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3177
3178         * expmed.c (choose_multiplier): Change interface to return the
3179         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3180         (expand_divmod): Update calls to choose_multiplier.
3181
3182 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3183
3184         PR middle-end/19330
3185         * expmed.c (extract_bit_field): Use adjust_address instead of
3186         gen_lowpart when op0 is a MEM.
3187
3188 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3189
3190         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3191
3192 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3193
3194         * config/mips/irix-csr.c: New file.
3195         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3196         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3197         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3198         executables.
3199
3200 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3201
3202         PR bootstrap/19364
3203         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3204         sparc/elf.h, add sparc/sp-elf.h.
3205         (sparc-*-rtems*): Likewise.
3206         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3207         tm-dwarf2.h, add sparc/sp-elf.h.
3208         (sparc86x-*-elf): Likewise.
3209         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3210         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3211         TARGET_OS_CPP_BUILTINS.
3212         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3213         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3214         Undefine it.
3215         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3216         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3217         (SWITCH_TAKES_ARG): Likewise.
3218         (LOCAL_LABEL_PREFIX): Likewise.
3219         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3220         (TARGET_N_FORMAT_TYPES): Delete.
3221         (TARGET_FORMAT_TYPES): Likewise.
3222         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3223         * config/sparc/elf.h: Delete.
3224         * config/sparc/sp-elf.h: New file.
3225
3226 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3227
3228         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3229         * tree-flow.h: Remove the corresponding prototype.
3230         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3231         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3232
3233 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3234
3235         PR target/17751
3236         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3237         for AIX ABI or ELF -fPIC.
3238         (rs6000_emit_load_toc_table): Don't create toc_section here.
3239         (rs6000_xcoff_file_start): Nor here.
3240
3241 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3242
3243         * sh.c (ra.h): Don't #include.
3244         (hard_regs_intersect_p): New function, resurrected from ra.c.
3245
3246         * sh.c: Fix 1996 Copyright.
3247
3248 2005-01-24  Richard Henderson  <rth@redhat.com>
3249             Aldy Hernandez  <aldyh@redhat.com>
3250
3251         * regrename.c (note_sets): Handle subregs.
3252
3253 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3254
3255         PR bootstrap/18058
3256         * genconditions.c (write_header, write_conditions): Elide file if
3257         not GCC >= 3.0.1.
3258
3259 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3260
3261         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3262         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3263         Update copyright.
3264
3265 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3266
3267         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3268         expand_builtin_printf, expand_builtin_fprintf,
3269         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3270         checking against POINTER_TYPE.
3271         (validate_arglist): Handle POINTER_TYPE code by checking
3272         POINTER_TYPE_P.
3273
3274 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3275
3276         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3277         init_rtlanal): New.
3278         (for_each_rtx): Call for_each_rtx_1.
3279         * rtl.h (init_rtlanal): Declare.
3280         * toplev.c (backend_init): Call init_rtlanal.
3281
3282 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3283
3284         * flow.c (propagate_one_insn): Formatting.
3285
3286         PR middle-end/19551
3287         * flow.c (libcall_dead_p): Be more conservative if unsure.
3288         If there are any instructions between insn and call, see if they are
3289         all dead before saying the libcall is dead.
3290
3291 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3292
3293         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3294         operand constraint for operand 0.
3295
3296 2005-01-23  Richard Henderson  <rth@redhat.com>
3297
3298         PR 19486
3299         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3300         edges leading to join block.
3301
3302 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3303
3304         * expmed.c (expand_mult_highpart): Make static.  Change type of
3305         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3306         (expand_divmod): Updates calls to expand_mult_highpart by using
3307         gen_int_mode to pass a CONST_INT rtx.
3308         * rtl.h (expand_mult_highpart): Remove prototype.
3309
3310 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3311
3312         * flow.c (regset_bytes, regset_size): Remove.
3313
3314         * cfganal.c: Fix a reference to Harvey's paper.
3315
3316 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3317
3318         PR rtl-optimization/19464
3319         * tree-optimize.c (init_tree_optimization_passes): Add one more
3320         copyrename pass just before out-of-ssa.
3321
3322 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3323
3324         PR bootstrap/18058
3325         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3326         * ggc-none.c (ggc_free): Define.
3327
3328 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3329
3330         * cse.c (max_reg, max_insn_uid): Remove.
3331         (cse_main): Don't access max_reg or max_insn_uid.
3332
3333         * c-common.c (explicit_flag_signed_bitfields,
3334         lang_statement_code_p, lang_expand_function_end): Remove.
3335         * c-common.h: Remove the corresponding declarations.
3336         * c-opts.c (c_common_handle_option): Remove all write access
3337         to explicit_flag_signed_bitfields.
3338
3339         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3340         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3341         * cgraph.h: Remove the corresponding declaration.
3342
3343         * gcse.c (null_pointer_info): Remove.
3344
3345 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3346             Eric Botcazou  <ebotcazou@libertysurf.fr>
3347
3348         * combine.c (simplify_logical): Only simplify logical expressions
3349         of the form ior(and(x,y),z) by the inverse distributive law if the
3350         result is cheaper than the original.
3351
3352 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3353
3354         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3355         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3356         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3357         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3358         config/freebsd-spec.h, config/arm/arm.h,
3359         config/h8300/h8300.md, config/i386/i386.md,
3360         config/i386/predicates.md, config/i386/sse.md,
3361         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3362         config/vax/vax.md: Fix comment typos.  Follow spelling
3363         conventions.
3364
3365 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3366
3367         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3368         tests, instead of `less than'.
3369
3370 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3371
3372         * function.c (assign_parm_setup_block): When creating a new stack slot
3373         for a parameter, get its alignment from the parameter's DECL_ALIGN
3374         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3375         is at least word aligned.
3376
3377 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3378
3379         PR middle-end/19378
3380         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3381
3382 2005-01-22  Richard Henderson  <rth@redhat.com>
3383
3384         PR target/19506
3385         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3386         in both compare operands.
3387         (movdfcc_1_sse_max): Likewise.
3388         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3389         (movdfcc_1_sse): Likewise.
3390         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3391         scratch register as needed.
3392
3393 2005-01-22  Richard Henderson  <rth@redhat.com>
3394
3395         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3396
3397         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3398
3399 2005-01-22  Richard Henderson  <rth@redhat.com>
3400
3401         * genopinit.c (optabs): Use smin/smax for floating point too.
3402         * doc/md.texi: Update to match.  Clarify that floating point
3403         results are undefined for +0/-0 and NaN.
3404         * doc/rtl.texi: Likewise.
3405         * rtl.def (SMIN, SMAX): Likewise
3406         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3407
3408         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3409         leading 's' to the name.
3410         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3411         smaxxf3, sminxf3): Likewise.
3412         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3413         Likewise.
3414
3415 2005-01-22  Paul Brook  <paul@codesourcery.com>
3416
3417         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3418
3419 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3420
3421         * config/s390/s390.c (struct processor_costs): New fields
3422         dlgr, dlr, dr, dsgfr, dsgr.
3423         (z900_cost, z990_cost): Values for new fields.
3424         (s390_rtx_costs): New cases MEM und COMPARE in switch
3425         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3426         DIV, MOD, UDIV, UMOD.
3427
3428 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3429
3430         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3431         into the register being decremented.
3432         ("doloop_si31", "doloop_di"): Likewise.
3433         ("*doloop_si_long"): Adapt pattern.
3434
3435 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3436
3437         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3438         access registers.
3439         (CLASS_MAX_NREGS): Likewise.
3440
3441 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3442
3443         * doc/tree-ssa.texi (Statement Operands): Add example for new
3444         must-def macro. Note deprecation of old operands interface.
3445
3446 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3447
3448         PR tree-optimization/19484
3449         * tree-cfg.c (remove_fallthru_edge): New function.
3450         (cleanup_control_flow): Remove fallthru edges from calls that are
3451         now known not to return.
3452
3453 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3454
3455         Fix PR tree-optimization/19038
3456         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3457         copies with loop variant ones.
3458
3459 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3460
3461         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3462         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3463         config/alpha/alpha.md, config/alpha/predicates.md,
3464         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3465         config/sparc/sol2.h: Update copyright.
3466
3467         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3468         first label to see if it is a nonlocal label.
3469
3470 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3471             Andrew Pinski  <pinskia@physics.uc.edu>
3472
3473         PR target/19491
3474         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3475         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3476
3477 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3478
3479         * config/rs6000/rtems.h: Update copyright.
3480
3481 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3482
3483         PR target/19548
3484         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3485         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3486         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3487
3488 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3489
3490         PR c/18809
3491         * c-typeck.c (convert_arguments): Check for error_mark_node.
3492
3493 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3494
3495         PR tree-optimization/13000
3496         * tree-inline.c: Include "tree-flow.h".
3497         (expand_call_inline): If warn_return_type, warn if non-void inline
3498         function falls through.
3499         * tree-cfg.c (execute_warn_function_return): Don't warn about
3500         control reaching end if TREE_NO_WARNING is set.  Set
3501         TREE_NO_WARNING.
3502         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3503         has been lowered.
3504         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3505         branch if we don't need one.
3506         * c-typeck.c: Include "tree-flow.h"
3507         (c_finish_bc_stmt): Don't add a goto if the current statement
3508         list doesn't fall through to the current point.
3509
3510 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3511
3512         PR rtl-optimization/576
3513         * real.c (real_arithmetic): Change return type from void to bool
3514         to return an indication that the result may be inexact.
3515         * real.h (real_arithmeric): Update prototype.
3516         * fold-const.c (const_binop):  Don't constant fold floating
3517         point expressions when the user specifies -frounding-math and
3518         the result may depend upon the run-time rounding mode.
3519         (fold_convert_const_real_from_real): Clean-up.
3520         (fold_initializer): Ignore flag_rounding_math for initializers.
3521         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3522         constant fold FP operations with flag_rounding_math if the
3523         result may depend upon the run-time rounding mode.
3524
3525 2005-01-21  Tom Tromey  <tromey@redhat.com>
3526
3527         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3528
3529 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3530
3531         * tree-cfg.c: Fix comment typos.
3532
3533 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3534
3535         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3536         around the call to rest_of_handle_branch_target_load_optimize.
3537
3538 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3539
3540         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3541         (sparc64-*-openbsd*): Likewise.
3542         (sparclite-*-elf*): Include tm-dwarf2.h.
3543         (sparc86x-*-elf*): Likewise.
3544         (sparc64-*-elf*): Likewise.
3545         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3546         (DBX_DEBUGGING_INFO): Likewise.
3547         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3548         (PREFERRED_DEBUGGING_TYPE): Likewise.
3549         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3550         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3551         (PREFERRED_DEBUGGING_TYPE): Likewise.
3552         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3553         (PREFERRED_DEBUGGING_TYPE): Likewise.
3554         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3555
3556 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3557
3558         PR target/18701
3559         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3560
3561 2005-01-20  Paul Brook  <paul@codesourcery.com>
3562
3563         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3564
3565 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3566
3567         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3568         label is first in a sequence of labels.
3569
3570         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3571
3572 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3573             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3574
3575         * doc/sourcebuild.texi (Test Directives): New.
3576
3577 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3578
3579         * real.c (real_floor): Don't leave the result uninitialized when
3580         mode is VOIDMode, but return the unrounded intermediate value.
3581         (real_ceil): Likewise.
3582
3583 2005-01-20  Paul Brook  <paul@codesourcery.com>
3584
3585         * config/arm/arm.md (insv): Use gen_int_mode.
3586
3587 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3588
3589         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3590         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3591         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3592         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3593         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3594
3595 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3596
3597         Fix PR debug/19124
3598         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3599         fbreg, so we have to assume we can't.
3600         (loc_descriptor_from_tree_1): Ditto.
3601         (containing_function_has_frame_base): New function.
3602         (add_location_or_const_value_attribute): Use it.
3603         Also try to generate a frame_base from a single element location
3604         list.
3605
3606 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3607
3608         PR tree-optimization/15349
3609         * timevar.def (TV_TREE_MERGE_PHI): New.
3610         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3611         PHI_WANTED.
3612         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3613         calls to tree_forwarder_block_p.
3614         (remove_forwarder_block_with_phi, merge_phi_nodes,
3615         gate_merge_phi, pass_merge_phi): New.
3616         * tree-optimize.c (init_tree_optimization_passes): Add
3617         pass_merge_phi.
3618         * tree-pass.h: Add an extern for pass_merge_phi;
3619
3620 2005-01-20  Richard Henderson  <rth@redhat.com>
3621
3622         PR target/19418
3623         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3624         (_mm_castps_pd, _mm_castps_si128): New.
3625         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3626
3627 2005-01-20  Richard Henderson  <rth@redhat.com>
3628
3629         PR target/19530
3630         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3631         __builtin_ia32_vec_init_v2si.
3632         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3633         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3634         (ix86_init_mmx_sse_builtins): Create it.
3635         (ix86_expand_builtin): Expand it.
3636         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3637         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3638         (vec_extractv2si_0, vec_extractv2si_1): New.
3639
3640 2005-01-20  Richard Henderson  <rth@redhat.com>
3641
3642         PR target/16533
3643         * config/i386/i386.c (ix86_expand_push): New.
3644         * config/i386/mmx.md (push<MMXMODE>1): New.
3645         * config/i386/sse.md (push<SSEMODE>1): New.
3646         * config/i386/i386-protos.h: Update.
3647
3648 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3649
3650         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3651         copyright.
3652
3653 2005-01-20  Richard Henderson  <rth@redhat.com>
3654
3655         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3656         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3657
3658 2005-01-19  Richard Henderson  <rth@redhat.com>
3659
3660         PR target/19350
3661         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3662         to V4SFmode in SSE1 fallback load path.
3663
3664 2005-01-19  Richard Henderson  <rth@redhat.com>
3665
3666         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3667         in QImode expansion to ix86_expand_vector_set.
3668         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3669
3670 2005-01-19  Richard Henderson  <rth@redhat.com>
3671
3672         PR target/19511
3673         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3674         subclass of the input class.
3675         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3676         Always true for cross-SSE1 classes.  Rationalize conditionals.
3677         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3678         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3679         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3680         (movdi_2): Add MMX/SSE zeros.
3681         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3682         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3683         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3684         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3685         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3686         (zero_extendsidi2_rex64_1): Remove.
3687         (MOV0 peephole): Check GENERAL_REG_P.
3688
3689 2005-01-19  Richard Henderson  <rth@redhat.com>
3690
3691         PR target/19427
3692         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3693         shufps elements.
3694         (ix86_expand_vector_extract): Likewise.
3695
3696 2005-01-19  Richard Henderson  <rth@redhat.com>
3697
3698         PR middle-end/19304
3699         * expr.c (emit_move_change_mode): New argument force; use
3700         simplify_gen_subreg if true.
3701         (emit_move_via_alt_mode): Merge into ...
3702         (emit_move_via_integer): ... here.
3703         (emit_move_ccmode): Use emit_move_change_mode directly.
3704
3705 2005-01-19  Richard Henderson  <rth@redhat.com>
3706
3707         PR target/19518
3708         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3709         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3710         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3711         rtl if true.
3712         (alpha_emit_set_const): Likewise.  Make static.
3713         (alpha_emit_set_long_const): Make static.
3714         (alpha_extract_integer): Split out from alpha_expand_mov.
3715         (alpha_split_const_mov): Likewise.
3716         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3717         (alpha_legitimate_constant_p): New.
3718         * config/alpha/alpha-protos.h: Update.
3719         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3720         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3721         * config/alpha/alpha.md (movsi): Add n alternative.
3722         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3723         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3724         (splitters for all of the above): Use alpha_split_const_mov.
3725         * config/alpha/predicates.md (non_add_const_operand): New.
3726         (non_zero_const_operand): New.
3727         (input_operand): Use alpha_legitimate_constant_p after reload.
3728
3729 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3730
3731         PR tree-optimization/19038
3732         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3733         (add_candidate): Add ivs with increment in latch only if
3734         allow_ip_end_pos_p is true.
3735         (determine_iv_cost): Use empty_block_p.
3736
3737 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3738
3739         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3740         (compute_dominance_frontiers): Ditto.
3741
3742 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3743
3744         PR target/19529
3745         * config/sh/t-rtems: New.
3746         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3747
3748 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3749
3750         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3751         the offset of the selected field.
3752
3753 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3754
3755         * tree-cfg.c (remove_forwarder_block): Fix the check to
3756         prevent a nonlocal label from appearing in the middle of a
3757         basic block.
3758
3759 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3760
3761         PR rtl-optimization/19462
3762         * reorg.c (find_end_label): Create return insn only if
3763         current_function_epilogue_delay_list is empty.
3764
3765 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3766
3767         * doc/passes.texi: Remove paragraph mentioning new-ra.
3768
3769 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3770
3771         PR rtl-optimization/15139
3772         * combine.c: Include params.h.
3773         (count_rtxs): New function.
3774         (record_value_for_reg): If replace_rtx would replace at least
3775         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3776         (clobber (const_int 0)) instead of TEM.
3777         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3778         * params.h (MAX_LAST_VALUE_RTL): New.
3779         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3780         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3781
3782         PR c/17297
3783         * c-typeck.c (digest_init): Only call build_vector if all constructor
3784         elements are *_CST nodes.
3785         * gimplify.c (gimplify_init_constructor): Likewise.
3786
3787         PR middle-end/19164
3788         * c-typeck.c (digest_init): Only call build_vector if inside_init
3789         is a CONSTRUCTOR.
3790
3791 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3792
3793         * toplev.c (init_asm_output): Remove dead #ifdef.
3794
3795 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3796
3797         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3798
3799 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3800
3801         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3802         accessing DECL_FUNCTION_CODE.
3803         * dojump.c (do_jump): Likewise.
3804         * gimplify.c (gimplify_call_expr): Likewise.
3805         * predict.c (expr_expected_value): Likewise.
3806         (strip_builtin_expect): Likewise.
3807         * tree-inline.c (estimate_num_insns_1): Likewise.
3808         * tree-ssa-loop-im.c (stmt_cost): Likewise
3809         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3810         (tree_expr_nonnegative_p): Likewise.
3811
3812 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3813
3814         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3815         variant of the load_pcrel_sym pattern.
3816         * config/sparc/sparc.md (P macro): Move to the top.
3817         (load_pcrel_sym): Macroize using P.
3818         (save_register_window): Likewise.
3819
3820 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3821
3822         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3823         ("sordered"): Same.
3824
3825 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3826
3827         PR C/19472
3828         * c-typeck.c (build_asm_expr): Strip nops off
3829         input memory operands.
3830
3831 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3832
3833         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3834         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3835         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3836         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3837
3838 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3839
3840         PR target/19379
3841         * config/i386/i386.c (override_options): If the 80387 is disabled,
3842         then do not return FP values using FP registers.
3843
3844 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3845
3846         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3847         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3848         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3849         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3850         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3851         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3852         output.h, postreload-gcse.c, postreload.c, recog.c,
3853         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3854         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3855         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3856         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3857         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3858         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3859         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3860         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3861
3862         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3863         config/alpha/alpha.c, config/arm/vfp.md,
3864         config/i386/emmintrin.h, config/i386/i386-modes.def,
3865         config/i386/i386-protos.h, config/i386/i386.h,
3866         config/i386/pmmintrin.h, config/i386/ppro.md,
3867         config/i386/predicates.md, config/i386/xmmintrin.h,
3868         config/i860/i860.c, config/ia64/ia64-modes.def,
3869         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3870         config/ia64/ia64.md, config/ia64/itanium1.md,
3871         config/ia64/itanium2.md, config/ia64/predicates.md,
3872         config/iq2000/iq2000.h, config/mips/linux64.h,
3873         config/rs6000/aix41.h, config/rs6000/aix43.h,
3874         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3875         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3876         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3877         config/sparc/linux64.h, config/sparc/litecoff.h,
3878         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3879         config/sparc/sparc.h, config/sparc/sparc.md,
3880         config/sparc/sysv4-only.h: Update copyright.
3881
3882 2005-01-18  Richard Henderson  <rth@redhat.com>
3883
3884         PR target/19496
3885         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3886
3887 2005-01-18  Marc Espie  <espie@openbsd.org>
3888         * config/i386/openbsdelf.h: Typo.
3889
3890 2005-01-18  Richard Henderson  <rth@redhat.com>
3891
3892         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3893         special case for sse.
3894         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3895
3896 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3897
3898         * tree-inline.c (estimate_num_insns_1): Added cases for
3899         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3900
3901 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3902
3903         PR rtl-optimization/19296
3904         * combine.c (simplify_comparison): Rewrite the condition under
3905         which a non-paradoxical SUBREG of a PLUS can be lifted when
3906         compared against a constant.
3907
3908 2005-01-18  Andi Kleen <ak@muc.de>
3909
3910         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3911         * c.opt (-Wpointer-sign): Add.
3912         * doc/invoke.texi: (-Wpointer-sign): Add.
3913
3914 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3915
3916         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3917         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3918         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3919         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3920         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3921         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3922         for TARGET_MIX_SSE_I387.
3923         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3924         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3925         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3926         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3927         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3928         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3929         TARGET_MIX_SSE_I387.
3930         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3931         from expander.
3932
3933 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3934
3935         PR target/19424
3936         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3937         Add movaps alternative for xmm reg->reg move.
3938
3939 2005-01-17  Jeff Law  <law@redhat.com>
3940
3941         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3942         at the end of the main DOM loop rather than just before DOM exits.
3943
3944 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3945
3946         PR tree-optimization/19121
3947         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3948         adding aliases to a name tag, also add them to the pointer's
3949         type tag.
3950         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3951         sensitive alias info at all.  Only check that the two pointers
3952         have compatible pointed-to sets.
3953         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3954         a pointer's type tag is a superset of the alias set of the
3955         pointer's name tag.
3956
3957 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3958
3959         PR target/19357
3960         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3961         comment to document why.
3962
3963 2005-01-17  Richard Henderson  <rth@redhat.com>
3964
3965         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3966         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3967         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3968         sse2_vmsminv2df3_finite): New.
3969         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3970         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3971         Force op1 into register.
3972
3973 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3974
3975         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3976         bubblestrap from always rebuilding build directory.
3977
3978 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3979
3980         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3981         ("*cmpmem_short"): Likewise.
3982
3983 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3984
3985         * basic-block.h: Document BB_* flags.
3986         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3987         use an sbitmap instead.
3988         * sched-rgn.c (compute_trg_info): Likewise.
3989
3990 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3991
3992         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3993         redundant target_cpu_default and extra_parts lines.  Use the default
3994         "from-abi" ISA.
3995         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3996         (SUBTARGET_EXTRA_SPECS): Delete.
3997         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3998         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3999         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4000         and "n32" for -mabi=n32.
4001
4002 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4003
4004         PR c/5675
4005         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4006         fold constant variables into initial values.
4007
4008 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4009
4010         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4011
4012         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4013         through the statements backward.
4014
4015 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4016
4017         PR middle-end/13127:
4018         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4019         a variable set to the return value of the inlined function.
4020
4021 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4022
4023         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4024         when modes are tieable.
4025
4026 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4027
4028         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4029         of pthread_create to find out if threads are enabled.
4030         * gthr-posix95.h (__gthread_active_p): Likewise.
4031
4032 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4033
4034         * common.opt (-fnew-ra): Remove.
4035         * ra*.*: Remove.
4036         * toplev.h (flag_new_regalloc): Remove.
4037         * Makefile.in (ra*.*): Don't mention.
4038         * passes.c (rest_of_handle_new_regalloc): Remove.
4039         (rest_of_handle_combine, rest_of_compilation): Always consider
4040         flag_new_regalloc as false.
4041         * doc/invoke.texi: Don't document -fnew-ra.
4042
4043 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4044
4045         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4046         last parameter to reg_scan.
4047         * loop.c (loop_optimize): Likewise.
4048         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4049         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4050         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4051         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4052         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4053         * regclass.c (reg_scan): Likewise, for the declaration.
4054         * rtl.h (reg_scan): Likewise, for the prototype.
4055
4056 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4057
4058         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4059         mark_dfs_back_edges.
4060
4061 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4062
4063         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4064         (compute_avail): Uses don't go in tmp_gen.
4065
4066 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4067
4068         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4069         loop to look for a free slot in a page entry.
4070
4071 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4072
4073         PR target/16304
4074         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4075         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4076         just before targetm.asm_out.file_end.
4077         * tree.h (process_pending_assemble_output_defs): Declare.
4078         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4079         New functions.
4080         (assemble_alias): Defer generation of assembly code for defines when
4081         TARGET_DEFERRED_OUTPUT_DEFS is true.
4082         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4083         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4084         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4085
4086 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4087
4088         PR target/19336
4089         * pa.c (pa_scalar_mode_supported_p): New function.
4090         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4091         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4092
4093         * pa-protos.h (prefetch_operand): Delete.
4094         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4095         * pa.c (prefetch_operand): Delete.
4096         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4097         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4098         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4099         and prefetch_nocc_operand.
4100         * pa.md (prefetch): Rework to avoid reload problems handling short
4101         displacements when a cache control completer needs to be provided.
4102         (prefetch_32, prefetch_64): Delete.
4103         (prefetch_cc, prefetch_nocc): New patterns.
4104
4105 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4106
4107         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4108
4109 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4110
4111         PR ada/19388
4112         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4113         exceeds maximum alignment for global common data.
4114         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4115         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4116
4117 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4118
4119         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4120
4121 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4122
4123         * harg-reg-set.h (reg_class_names): Prototype global array.
4124         * regclass.c (reg_class_names): Declare here and initialize to
4125         REG_CLASS_NAMES.
4126         (dump_regclass): Remove local declaration of reg_class_names.
4127         (regclass): Likewise.
4128         * cfg.c (dump_flow_info): Likewise.
4129         * ra-debug.c (reg_class_names): Likewise.
4130         * regrename.c (reg_class_names): Likewise.
4131         * reload.c (reg_class_names): Likewise.
4132         * reload1.c (spill_failure): Likewise.
4133         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4134
4135 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4136
4137         * config/s390/s390.md ("reload_outti"): Remove predicate for
4138         output operand.  Abort if operand is not a MEM.
4139         ("reload_outdi", "reload_outdf"): Likewise.
4140
4141 2005-01-15  Marc Espie  <espie@openbsd.org>
4142
4143         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4144         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4145         * config/openbsd.h:  Fix C++ includes for native configurations.
4146         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4147         Add trampoline support.
4148         * config/i386/openbsdelf.h: New.
4149
4150 2005-01-15  Marc Espie  <espie@openbsd.org>
4151
4152         * collect2.c (main): Explicitly parse -dynamic-linker option.
4153
4154 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4155
4156         PR tree-optimization/19060
4157         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4158         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4159         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4160         and handle extract_range_from_cond returning false.
4161         * fold-const.c (fold): Optimize comparisons with min/max even for
4162         width > HOST_BITS_PER_WIDE_INT.
4163
4164 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4165
4166         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4167         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4168         Remove little endian multilib variants.
4169         Add mips32 multilib variant.
4170
4171 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4172
4173         * explow.c (copy_all_reg, stabilize): Remove.
4174         * expr.h: Remove the corresponding prototypes.
4175
4176         * rtlanal.c (regs_set_between_p): Remove.
4177         * rtl.h: Remove the corresponding prototype.
4178
4179 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4180
4181         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4182         to rs6000_nonimmediate_operand.
4183         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4184         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4185         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4186         rs6000_nonimmediate_operand.
4187         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4188         rs6000_nonimmediate_operand.
4189
4190 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4191
4192         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4193
4194 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4195
4196         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4197         on e500v2.
4198         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4199         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4200
4201         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4202         (rs6k_nonimmediate_operand): New.
4203         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4204         correctly.
4205         (legitimate_lo_sum_address_p): Same.
4206         (rs6000_legitimize_address): Same.
4207         (rs6000_legitimize_reload_address): Same.
4208         (rs6000_legitimate_address): Same.
4209         (spe_build_register_parallel): Pass DF and DC modes in a DI
4210         register.
4211
4212         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4213         to rs6k_nonimmediate_operand.
4214
4215         * config/rs6000/spe.md ("*frob_df_di"): New.
4216         ("*frob_di_df"): New.
4217         ("*frob_di_df_2"): New.
4218         ("*mov_sidf_e500_subreg0"): New.
4219         ("*mov_sidf_e500_subreg4"): New.
4220         ("*movdf_e500_double"): Change predicate to
4221         rs6k_nonimmediate_operand.
4222
4223 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4224
4225         * postreload.c (move2add_note_store): Only call
4226         trunc_int_for_mode on scalar integers.
4227
4228 2005-01-14  Steven Bosscher  <stevenb@suse.de>
4229
4230         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4231         replace BB_VISITED uses.
4232         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4233         (propagate_necessity): Check the bitmap instead of BB_VISITED.
4234         (tree_dce_done): Free visited_control_parents.
4235         (perform_tree_ssa_dce): Allocate and clear it.
4236         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4237         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
4238         instead of BB_VISITED.
4239
4240 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
4241
4242         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4243         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4244         Remove unused prototypes.
4245
4246 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4247
4248         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4249         64-bit register usage.
4250         (spe_func_has_64bit_regs_p): Add FIXME note.
4251
4252 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4253
4254         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4255         flag_finite_math_only with flag_unsafe_math_optimizations.
4256
4257 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
4258
4259         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4260         end-of-stack check.
4261         (__tpf_eh_return): Copy TPF private stack area from the module
4262         boundary stack frame.  Add check for when module addresses are
4263         equal, but no stub address is found.
4264
4265 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
4266
4267         PR target/7525
4268         * arm.h (struct machine_function): Add call_via field.
4269         (thumb_call_via_label): Declare.
4270         * arm.c (thumb_call_via_label): New variable.
4271         (thumb_call_reg_needed): New variable.
4272         (arm_output_function_epilogue): For Thumb code, output any per-function
4273         call-indirect trampolines.
4274         (thumb_call_via_reg): New function.
4275         (arm_file_end): New function.
4276         (TARGET_ASM_FILE_END): Call arm_file_end.
4277         (aof_file_end): Likewise.
4278         * arm-protos.h (thumb_call_via_reg): Declare.
4279         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4280         thumb_call_via_reg in normal case.
4281
4282 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
4283
4284         PR middle-end/19084
4285         PR rtl-optimization/19348
4286         * recog.c (peephole2_optimize): Do global life update if some peephole
4287         decides it doesn't need at least one of its inputs and that change
4288         influences liveness at the start of the basic block.
4289
4290         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4291         arguments instead of 1.
4292
4293 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
4294
4295         PR middle-end/18820
4296         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4297         zero for nested functions needing a static chain or functions
4298         with a non-constant address.
4299
4300 2005-01-13  Roger Sayle  <roger@eyesopen.com>
4301
4302         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4303         (and (sign_extend X) C) into (zero_extend (and X C)).
4304
4305 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
4306
4307         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
4308
4309 2005-01-13  Richard Henderson  <rth@redhat.com>
4310
4311         PR target/19009
4312         PR target/19250
4313         PR target/19252
4314         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4315         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4316         not just TARGET_SSE.
4317         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
4318         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4319         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4320         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4321         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4322         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4323         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4324         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4325         (movdicc_c_rex64): Rename with '*'.
4326         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4327         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4328         (movsfcc_1_387): Rename from movsfcc_1.
4329         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4330         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4331         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4332         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4333         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4334         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4335         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4336         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4337         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4338         sse_movdfcc_const0_4): Remove.
4339         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4340         recognize min/max early.  Update for changed sse cmove patterns.
4341         (ix86_split_sse_movcc): New.
4342         * config/i386/i386-protos.h: Update.
4343
4344 2005-01-13  Steven Bosscher  <stevenb@suse.de>
4345
4346         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4347         (fix_stmt_v_may_defs): Likewise.
4348
4349 2005-01-13  Richard Henderson  <rth@redhat.com>
4350
4351         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4352         for converting the mask.
4353
4354 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
4355
4356         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4357         definition to 600.
4358
4359 2005-01-13  Richard Henderson  <rth@redhat.com>
4360
4361         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4362         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4363         IX86_BUILTIN_MOVDQ2Q): Remove.
4364         (IX86_BUILTIN_VEC_EXT_V4SI): New.
4365         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4366         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4367         shuffling.
4368         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4369         (sse2_pextrw): Fix immediate constraint.
4370         (sse2_loadq, sse2_loadq_rex64): Remove.
4371         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4372         Use __builtin_ia32_vec_ext_<size>.
4373         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4374
4375 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
4376
4377         * function.c (assign_parm_setup_block): Look inside original
4378         entry_parm when inspecting PARALLEL.
4379
4380 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
4381             Joel Sherrill  <joel@oarcorp.com>
4382
4383         PR target/19399
4384         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4385         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4386         rtems_gxx_recursive_mutex_init.
4387         (__gthread_recursive_mutex_lock): New function.
4388         (__gthread_recursive_mutex_trylock): Likewise.
4389         (__gthread_recursive_mutex_unlock): Likewise.
4390
4391 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
4392
4393         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4394
4395 2005-01-13  Jan Beulich  <jbeulich@novell.com>
4396
4397         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4398         (ashrti3_internal): Indicate output is early clobber. Generate result
4399         into output rather than first input. Use move for low word of output
4400         if shift count is exactly 64.
4401         (lshrti3_internal): Likewise.
4402
4403 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
4404
4405         PR target/18329
4406         PR target/18330
4407         * reload1.c (delete_output_reload): Don't delete an output reload
4408         if the pseudo lives longer than a single basic block.  Adjust and
4409         improve wording of comment.
4410
4411 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
4412
4413         PR target/19334
4414         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4415         of TYPE_SIZE where we mean the number of bytes.
4416
4417 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4418
4419         * function.c (assign_parm_setup_block): Relax condition on
4420         multi-register optimization.
4421
4422 2005-01-12  Nick Clifton  <nickc@redhat.com>
4423
4424         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4425         an "in_delay_slot" attribute of "no" to prevent them being used in
4426         delay slots.  This is forbidden because they might generate
4427         exceptions.
4428
4429 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4430
4431         PR target/19389
4432         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4433         with r->Y and Y->r.
4434
4435 2005-01-12  Nick Clifton  <nickc@redhat.com>
4436
4437         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4438         passed on to GAS) but do not define, as GAS no longer supports or
4439         needs the -m2000 option.
4440
4441 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4442
4443         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4444         type as args of unprototyped builtins aren't automatically promoted.
4445         (fold_builtin_abs): Likewise.
4446
4447 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4448
4449         * Makefile.in: Set a `build-warn' variable.
4450
4451 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4452
4453         PR tree-optimization/17949
4454         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4455         (find_interesting_uses_address): Use it.
4456
4457 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4458
4459         * regrename.c (kill_value): Handle subreg's that won't simplify.
4460
4461 2005-01-11  Richard Henderson  <rth@redhat.com>
4462
4463         PR target/13366
4464         * config/i386/i386.h (enum ix86_builtins): Move ...
4465         * config/i386/i386.c: ... here.
4466         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4467         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4468         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4469         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4470         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4471         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4472         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4473         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4474         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4475         IX86_BUILTIN_LOADDDUP): Remove.
4476         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4477         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4478         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4479         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4480         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4481         (ix86_init_builtins): Make static.
4482         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4483         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4484         if all the modes match.  Otherwise, fake it.
4485         (get_element_number, ix86_expand_vec_init_builtin,
4486         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4487         (ix86_expand_builtin): Make static.  Update for changed builtins.
4488         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4489         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4490         (ix86_expand_vector_init_duplicate): New.
4491         (ix86_expand_vector_init_low_nonzero): New.
4492         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4493         Split out from ix86_expand_vector_init; handle integer modes.
4494         (ix86_expand_vector_init): Use them.
4495         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4496         * config/i386/i386-protos.h: Update.
4497         * config/i386/predicates.md (reg_or_0_operand): New.
4498         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4499         (movv2sf_internal): Likewise.  And a splitter to match them all.
4500         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4501         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4502         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4503         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4504         (mmx_pinsrw): Fix operand ordering.
4505         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4506         rather than sse_loadss expander.
4507         (movv2df splitter): Similarly.
4508         (sse_loadss, sse_loadlss): Remove.
4509         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4510         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4511         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4512         (sse3_movddup): Rename with '*'.
4513         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4514         (sse2_loadsd): Remove.
4515         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4516         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4517         (sse2_pinsrw): Fix argument ordering.
4518         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4519         (sse2_stored): Remove 'r' destination.
4520         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4521         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4522         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4523         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4524         vec_extractv16qi, vec_initv16qi): New.
4525
4526         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4527         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4528         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4529         constructor form.
4530         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4531         (_mm_load_si128, _mm_store_si128): Likewise.
4532         (_mm_load1_pd): Use _mm_set1_pd.
4533         (_mm_load_sd): Use _mm_set_sd.
4534         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4535         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4536         (_mm_set_epi64): Use _mm_set_epi64x.
4537         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4538         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4539         _mm_setr_epi8): Use _mm_set_foo form.
4540         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4541         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4542         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4543         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4544         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4545         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4546         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4547         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4548         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4549         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4550         (_mm_movedup_pd): Use _mm_shuffle_pd.
4551         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4552         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4553         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4554         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4555         Use _mm_setzero_ps.
4556         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4557         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4558         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4559         (_mm_store_ps): Use raw dereference.
4560         (_mm_store1_ps): Use _mm_storeu_ps.
4561         (_mm_storer_ps): Use _mm_store_ps.
4562         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4563         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4564
4565 2005-01-11  Stan Shebs  <shebs@apple.com>
4566
4567         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4568         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4569
4570 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4571
4572         PR target/18761
4573         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4574         Skip all DECLs except for FIELD_DECLs.
4575
4576 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4577
4578         * config/s390/s390.c (override_options): Return error if
4579         -mbackchain, -mpacked-stack and -mhard-float are used together.
4580         (s390_va_start): Remove the backchain && packed-stack special case.
4581         (s390_gimplify_va_arg): Likewise.
4582         * doc/invoke.texi: Remove the ABI incompatibility note.
4583
4584 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4585
4586         * config/s390/s390.c (struct s390_frame_layout): Remove
4587         save_backchain_p.
4588         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4589         save_backchain_p with TARGET_BACKCHAIN.
4590
4591 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4592
4593         PR target/18916
4594         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4595         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4596         * function.c (locate_and_pad_parm): Set new field.
4597         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4598         Tweak where_pad test to include "none".  Always set mem align for
4599         stack_parm.
4600         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4601         not sufficient for type.
4602         (assign_parm_setup_block): If stack_parm is zero on entry, always
4603         make a new stack local.  Block move old stack parm if necessary
4604         to new aligned stack local.
4605         (assign_parm_setup_stack): Use a block move to handle
4606         potentially misaligned entry_parm.
4607         (assign_parms_unsplit_complex): Specify required alignment when
4608         creating stack local.
4609         * calls.c (compute_argument_addresses): Override alignment of stack
4610         arg calculated from its type with the alignment given by
4611         FUNCTION_ARG_BOUNDARY.
4612         (store_one_arg): Likewise.
4613
4614 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4615
4616         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4617         Change respective itanium_class attribute to ialu.
4618         (shladdp4_internal): New.
4619         * config/ia64/predicates.md (shladd_log2_operand): New.
4620
4621 2005-01-11  Richard Henderson  <rth@redhat.com>
4622
4623         * expr.c (store_constructor): Use rtvec_alloc instead of
4624         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4625
4626 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4627
4628         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4629
4630 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4631
4632         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4633         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4634         (TARGET_RWRELOC): Define.
4635         (ia64_rwreloc_section_type_flags): Delete.
4636         (ia64_section_type_flags): New function.
4637         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4638         (TARGET_RWRELOC): Define.
4639
4640 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4641
4642         PR target/18987
4643         * config/ia64/ia64.c (process_set): For alloc insn, only call
4644         process_epilogue is !frame_pointer_needed.
4645
4646 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4647
4648         PR c++/19355
4649         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4650         unary operator and can't be treated as a binary/comparison operator.
4651
4652 2005-01-10  Richard Henderson  <rth@redhat.com>
4653
4654         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4655         (ix86_return_in_memory): Likewise.
4656         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4657         for choosing register to advance.
4658
4659 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4660
4661         * tree-vectorizer.c, tree.def: Fix comment typos.
4662
4663 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4664
4665         * config/s390/s390.c (struct processor_costs): 4 new fields:
4666         ddbr, ddr, debr, der.
4667         (s390_rtx_costs): More precise handling of divide instructions.
4668
4669 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4670
4671         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4672
4673 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4674
4675         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4676         names resulting from -ffunction-sections/-fdata-sections and linkonce
4677         ones.
4678         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4679         based on the section name. Rearrange the section name comparison logic
4680         slightly so that each section name is compared against at most once.
4681
4682 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4683
4684         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4685         targets for which -fPIC reduces limitations on the GOT size.
4686
4687 2005-01-09  Falk Hueffner  <falk@debian.org>
4688
4689         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4690         X/C1 cmpop C2.
4691
4692 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4693
4694         PR target/18720
4695         * collect2.c (main): Set aixrtl_flag for -brtl option.
4696         (resolve_lib_name): Search for .so file extension before .a
4697         if aixrtl_flag set.
4698
4699 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4700
4701         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4702         (vect_analyze_data_refs_alignment): Add dump prints.
4703
4704 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4705
4706         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4707         expr_invariant_in_loop_p.
4708         Initialize outputs first thing in the function.
4709         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4710         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4711         (vect_analyze_pointer_ref_access): Check that the initial condition of
4712         the access function is loop invariant.
4713
4714 2005-01-09  Richard Henderson  <rth@redhat.com>
4715
4716         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4717         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4718         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4719         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4720         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4721         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4722         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4723         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4724         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4725         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4726         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4727         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4728         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4729         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4730         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4731         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4732         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4733         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4734         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4735         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4736         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4737         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4738         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4739         mmx_ prefix.
4740         (mmx_clrdi, pavgusb): Remove.
4741         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4742         with leading sse_ prefix.
4743         * config/i386/sse.md: Receive them.
4744         * config/i386/mmx.md: New file.
4745         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4746         (subrv2sf3): Turn into expander for normal subtraction.
4747         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4748         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4749         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4750         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4751         commutative; use ix86_binary_operator_ok.
4752         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4753         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4754         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4755         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4756         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4757         Macroize from existing patterns; use ix86_binary_operator_ok.
4758         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4759         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4760         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4761         with vec_select+vec_concat.
4762         (mmx_pshufw, mmx_pshufw_1): Likewise.
4763         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4764         (mmx_uavgv4hi3): Model correctly.
4765         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4766         _mm_xor_si64): Remove casts.
4767
4768 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4769
4770         PR tree-optimization/19224
4771         * tree-scalar-evolution.c (get_instantiated_value,
4772         set_instantiated_value): New functions.
4773         (instantiate_parameters_1): Cache the results.
4774         (instantiate_parameters, resolve_mixers): Initialize and free
4775         the cache.
4776
4777 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4778
4779         * config/i386/i386.md (addhi_4): Correct reference in comment.
4780         (addqi_4): Same.
4781
4782 2005-01-08  Richard Henderson  <rth@redhat.com>
4783
4784         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4785         (_mm_cvtsi128_si64x): Likewise.
4786         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4787         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4788         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4789         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4790         * config/i386/i386-protos.h: Update.
4791         * config/i386/i386.c (print_operand): Add 'H'.
4792         (ix86_fixup_binary_operands): Split out from ...
4793         (ix86_expand_binary_operator): ... here.
4794         (ix86_fixup_binary_operands_no_copy): New.
4795         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4796         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4797         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4798         (safe_vector_operand): Use CONST0_RTX.
4799         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4800         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4801         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4802         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4803         special cases.
4804         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4805         (IX86_BUILTIN_CMPNGESS): New.
4806         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4807         (attr type): Add sselog1.
4808         (attr unit, attr memory): Handle it.
4809         (movti, movti_internal, movti_rex64): Move near other integer moves.
4810         (movtf, movtf_internal): Move near other fp moves.
4811         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4812         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4813         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4814         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4815         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4816         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4817         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4818         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4819         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4820         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4821         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4822         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4823         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4824         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4825         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4826         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4827         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4828         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4829         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4830         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4831         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4832         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4833         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4834         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4835         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4836         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4837         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4838         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4839         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4840         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4841         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4842         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4843         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4844         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4845         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4846         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4847         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4848         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4849         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4850         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4851         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4852         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4853         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
4854         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4855         same time.
4856         (SSEPUSH, push<SSEPUSH>): Remove.
4857         (MMXPUSH, push<MMXPUSH>): Remove.
4858         (sse_movaps, sse_movaps_1, sse_movups): Remove.
4859         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4860         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4861         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4862         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4863         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4864         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4865         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4866         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4867         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4868         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4869         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
4870         (ppro_sse_log_V4SF): Handle sselog1.
4871         * config/i386/predicates.md (const_0_to_1_operand): New.
4872         (const_0_to_255_mul_8_operand): New.
4873         (const_1_to_31_operand): Rename from const_int_1_31_operand.
4874         (const_2_to_3_operand, const_4_to_7_operand): New.
4875         * config/i386/sse.md: New file.
4876         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4877         (sse_movups): Rename from sse_movups_1.
4878         (sse_loadlss): Rename from sse_loadss_1.
4879         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4880         from the name.
4881         (negv4sf2): Use ix86_expand_fp_absneg_operator.
4882         (absv4sf2, negv2df, absv2df): New.
4883         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4884         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4885         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4886         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4887         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4888         (sse3_addsubv4sf3): Model correctly.
4889         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
4890         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
4891         (sse_movhlps): Model with vec_select+vec_concat.
4892         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
4893         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
4894         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
4895         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
4896         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
4897         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
4898         sse2_pshufhw_1): Likewise.
4899         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
4900         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
4901         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
4902         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
4903         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
4904         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
4905         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
4906         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
4907         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
4908         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
4909         sminv8hi3): Mark commutative
4910         operands.  Use ix86_binary_operator_ok.
4911         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
4912         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
4913         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
4914         sse2_punpcklqdq): Allow operand2 in memory.
4915         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
4916         sse2_movsd): Add memory alternatives.
4917         (sse_storelps): Turn expander into an insn; split after reload.
4918         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
4919         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
4920
4921 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4922
4923         * configure.ac (DWARF-2 debug_line): Use objdump.
4924         * configure: Regenerate.
4925
4926 2005-01-08  Jeff Law  <law@redhat.com>
4927             Diego Novillo  <dnovillo@redhat.com>
4928
4929         PR tree-optimization/18241
4930         * tree-nrv.c (tree_nrv): Ignore volatile return values.
4931         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
4932         statements with volatile operands.
4933         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
4934         operands after marking a statement with has_volatile_ops.
4935
4936 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4937
4938         * tree.c (int_fits_type_p): Always honor integer constant
4939         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
4940
4941 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4942
4943         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
4944         the latent bug in rtl_delete_block has been resolved.
4945
4946 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4947
4948         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4949         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4950
4951 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4952
4953         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4954         library as @multilib_dir@/$(SHLIB_SONAME).
4955
4956 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4957
4958         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4959         * configure: Regenerate.
4960
4961 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4962
4963         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4964         TYPE_MODE.
4965
4966 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
4967
4968         PR target/13674
4969         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4970         Convert non-word aligned offset address using ld/std into
4971         indirect address.
4972
4973 2005-01-07  Richard Henderson  <rth@redhat.com>
4974
4975         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4976
4977 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
4978
4979         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
4980
4981 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4982
4983         PR tree-optimization/19283
4984         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
4985         is not shorter than the original type.
4986
4987         PR rtl-optimization/19012
4988         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
4989
4990         PR rtl-optimization/18861
4991         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4992         (FULL_STATE): Define.
4993         (mark_tablejump_edge): New function.
4994         (purge_dead_tablejump_edges): New function.
4995         (find_bb_boundaries): Use it.
4996
4997         PR tree-optimization/18828
4998         * builtins.c (expand_builtin_next_arg): Remove argument and all
4999         the argument checking.
5000         (expand_builtin): Adjust caller.
5001         (expand_builtin_va_start): Likewise.  Remove error for too many
5002         arguments.
5003         (fold_builtin_next_arg): Issue error for too many arguments.
5004         After checking arguments, replace them with magic arguments that
5005         prevent further checking of the args.
5006
5007 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5008
5009         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5010
5011 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5012
5013         PR target/6077
5014         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5015         and %{.S:...} (and their negative variants) to test whether the
5016         input file is assembler or pre-processed-assembler independent of
5017         the actual filename extension.
5018
5019 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5020
5021         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5022         of sign or zero extended values.
5023
5024 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5025
5026         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5027         for IBM long double format correctly.
5028
5029 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5030
5031         Fix PR tree-optimization/18792
5032
5033         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5034         to first_loop_depth, and use loop depth instead of loop number.
5035         (build_classic_dir_vector): Ditto.
5036         (compute_data_dependences_for_loop): Use depth, not loop number.
5037         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5038         number. Pass in loops, instead of loop numbers.
5039         (gather_interchange_stats): Ditto.
5040         (linear_transform_loops): Ditto.
5041
5042 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5043
5044         PR rtl-opt/13299
5045         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5046         biv_fits_mode_p, extension_within_bounds_p): New functions.
5047         (check_ext_dependent_givs): Use them.
5048
5049 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5050
5051         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5052         more than one barrier, in which case we should delete them all.
5053
5054 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5055
5056         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5057
5058 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5059
5060         Fix PR middle-end/19286
5061         Fix PR debug/19267
5062         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5063         output this subprogram, simply ignore this attempt to do it again.
5064         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5065         origin attribute if it's not possible.
5066         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5067         (decls_for_scope): Ditto.
5068         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5069         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5070
5071 2005-01-05  Richard Henderson  <rth@redhat.com>
5072
5073         PR target/11327
5074         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5075         (bdesc_2arg): Use it.
5076         (ix86_expand_binop_builtin): Force operands into registers
5077         when optimizing.
5078         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5079         ix86_expand_sse_compare, ix86_expand_sse_comi,
5080         ix86_expand_builtin): Likewise.
5081
5082 2005-01-05  Richard Henderson  <rth@redhat.com>
5083
5084         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5085         and VEC_SELECT.
5086         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5087         (mulv4hi3): Set itanium_class mmmul.
5088         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5089         (fpack): Rename from fpack_sfsf.
5090
5091 2005-01-05  Richard Henderson  <rth@redhat.com>
5092
5093         PR rtl-opt/10692
5094         * reload1.c (do_input_reload): Restrict the optimization deleteing
5095         a previous output reload to RELOAD_FOR_INPUT.
5096
5097 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5098
5099         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5100         comment that we fall through after case.
5101         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5102         (distribute_links): Likewise.
5103         * cse.c (cse_insn): Likewise.
5104         * cselib.c (cselib_invalidate_mem): Likewise.
5105         * df.c: Update comments at the top of the file.
5106         (read_modify_subreg_p): Update comments here too.
5107         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5108         * flow.c (mark_set_1): Likewise.
5109         (mark_used_regs): Likewise.
5110         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5111         (canon_list_insert): Likewise.
5112         (mark_set): Likewise.
5113         (try_replace_reg): Likewise.
5114         (store_killed_in_insn): Likewise.
5115         * loop.c (count_one_set): Likewise.
5116         (basic_induction_var): Likewise.
5117         * postreload-gcse.c (find_mem_conflicts): Likewise.
5118         * postreload.c (reload_combine_note_store): Likewise.
5119         (move2add_note_store): Likewise.
5120         * reload.c (find_equiv_reg): Likewise.
5121         (mark_referenced_resources): Likewise.
5122         * rtlanal.c (set_noop_p): Likewise.
5123         (note_stores): Likewise.
5124         (note_uses): Likewise.
5125         * sched-deps.c (sched_analyze_1): Likewise.
5126         * sched-rgn.c (check_live_1): Likewise.
5127         (update_live_1): Likewise.
5128         * config/i860/i860.c: Likewise.
5129
5130         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5131         an lvalue.
5132         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5133
5134         * doc/rtl.texi: Update documentation for bit-fields and SET.
5135
5136 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5137
5138         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5139
5140 2005-01-05  Jan Hubicka  <jh@suse.cz>
5141             Richard Henderson  <rth@redhat.com>
5142
5143         PR target/18910
5144         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5145         with an offset.
5146
5147 2005-01-05  Richard Henderson  <rth@redhat.com>
5148
5149         PR target/12902
5150         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5151         (sse_shufps): Change operand 3 to const_int_operand.
5152         (sse2_storelps): Fix typo in template.
5153         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5154         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5155         (ix86_expand_builtin): Likewise.
5156
5157 2005-01-05  Julian Brown  <julian@codesourcery.com>
5158
5159         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5160         as aggregates for AAPCS ABIs.
5161
5162 2005-01-05  Stan Shebs  <shebs@apple.com>
5163
5164         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5165         Mach-O getters if ppc64.
5166         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5167         size argument.
5168         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5169         signed four-byte field for global code case.
5170         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5171
5172 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5173
5174         PR middle-end/19100
5175         * c-common.c: Include real.h.
5176         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5177         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5178         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5179         * Makefile.in (c-common.o): Update dependencies.
5180
5181 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5182
5183         * c-parse.in (asm_string): Add trailing semicolon.
5184
5185 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5186
5187         * c-parse.in (asm_string): New.  Don't allow wide strings in
5188         'asm'.
5189         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5190         asm_string instead of STRING.
5191
5192 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5193
5194         * c-typeck.c (constructor_no_implicit): Remove.
5195         (set_designator, process_init_element): Don't check
5196         constructor_no_implicit.
5197
5198 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5199             Kaz Kojima  <kkojima@gcc.gnu.org>
5200
5201         PR target/16482
5202         * lcm.c (create_pre_exit): New.
5203         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5204         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5205
5206 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5207
5208         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5209         -msoft-float in target_float_switch.
5210         * arm.c (arm_override_options): Fix processing of target_float_switch.
5211
5212 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5213
5214         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5215         preferencing.
5216
5217 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
5218
5219         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5220         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5221
5222 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5223
5224         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5225         if deleting the then-block allows the test-block to fallthru to the
5226         else-block.
5227
5228 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
5229
5230         PR c/19152
5231         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5232         after the full declaration if the are in two different TUs.
5233
5234 2005-01-04  Richard Henderson  <rth@redhat.com>
5235
5236         PR tree-opt/19158
5237         * tree-sra.c (generate_one_element_init): Just
5238         call gimplify_and_add.
5239         (generate_element_init): Record the
5240         new referenced variables and mark them for renaming
5241         and split out to ...
5242         (generate_element_init_1): This.
5243         (scalarize_init): Don't call push_gimplify_context/
5244         pop_gimplify_context.
5245
5246 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
5247
5248         * toplev.c (get_src_pwd): Handle failure of getpwd().
5249
5250 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5251
5252         * fold-const.c (fold_single_bit_test): Delete unreachable handling
5253         of TRUTH_NOT_EXPR.
5254         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5255         all the cases handled by it are inverted by invert_truthvalue.
5256
5257 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5258
5259         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5260         (save_register_windowsi): Likewise.
5261
5262 2005-01-04  Richard Henderson  <rth@redhat.com>
5263
5264         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5265
5266 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5267
5268         PR middle-end/17767
5269         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5270         any simplifications of vector mode comparison operators.
5271         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5272
5273 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
5274             Devang Patel  <dpatel@apple.com>
5275
5276         PR tree-optimization/18308
5277         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5278         the operands before creating a new expression.
5279         * dojump.c (do_jump): Make drop_through_label available
5280         for all cases.  Add expansion of COND_EXPR.
5281
5282 2005-01-04  Ira Rosen  <irar@il.ibm.com>
5283
5284         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5285         INTEGER_CST instead of TREE_CONSTANT.
5286         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5287         instead of TREE_CONSTANT.
5288         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5289         instead of TREE_CONSTANT.
5290
5291 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5292
5293         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5294
5295 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5296
5297         PR target/19240
5298         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5299         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5300
5301 2005-01-03  Richard Henderson  <rth@redhat.com>
5302
5303         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5304         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5305         fold_convert_const_real_from_real): Split out from ...
5306         (fold_convert_const): ... here.
5307
5308 2005-01-03  Richard Henderson  <rth@redhat.com>
5309
5310         PR target/19235
5311         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5312         (mov<MMXMODEI>_internal): Likewise.
5313         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5314         Add V2SF case; use it for SSE1; don't use TI.
5315         (movdf_integer): Likewise.
5316         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5317
5318 2005-01-03  Ira Rosen  <irar@il.ibm.com>
5319
5320         * tree-vectorizer.c (vect_strip_conversions): New function.
5321         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5322         check for binary class.
5323
5324 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
5325
5326         Fix PR debug/17924
5327         Fix PR debug/19191
5328         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5329         is a decl.
5330         * gimple-low.c (mark_blocks_with_used_vars): New function.
5331         (mark_blocks_with_used_subblocks): Ditto.
5332         (mark_used_blocks): Ditto.
5333         (pass_mark_used_blocks): New pass.
5334         * tree-inline.c: Include debug.h.
5335         (expand_call_inline): Call outlining_inline_function here.
5336         * tree-optimize.c (init_tree_optimization_passes): Add
5337         pass_mark_used_blocks.
5338         * tree-pass.h (pass_mark_used_blocks): New.
5339         * Makefile.in (tree-inline.o): Add debug.h dependency.
5340
5341 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
5342
5343         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5344         VAR_DECLs to have weak_import attribute.
5345
5346         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5347         'struct ucontext'.
5348
5349 2004-01-03  Steven Bosscher  <stevenb@suse.de>
5350
5351         * passes.c (rest_of_compilation): Don't run regmove if only
5352         flag_expensive_optimizations, require flag_regmove instead.
5353
5354 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5355
5356         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5357         register "sparc".
5358         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5359         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5360         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5361         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5362
5363 2005-01-03  Richard Henderson  <rth@redhat.com>
5364
5365         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5366         (ia64_const_ok_for_letter_p): New.
5367         (ia64_const_double_ok_for_letter_p): New.
5368         (ia64_extra_constraint): New.
5369         (ia64_expand_vecint_compare): New.
5370         (ia64_expand_vcondu_v2si): New.
5371         (ia64_expand_vecint_cmov): New.
5372         (ia64_expand_vecint_minmax): New.
5373         (ia64_print_operand): Add 'v'.
5374         (ia64_preferred_reload_class): New.
5375         (ia64_vector_mode_supported_p): New.
5376         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5377         (PREFERRED_RELOAD_CLASS): Move to function.
5378         (CONST_OK_FOR_LETTER_P): Move to function.
5379         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5380         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5381         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5382         (EXTRA_CONSTRAINT): Move to function.
5383         * config/ia64/ia64.md: Include vect.md.
5384         (itanium_class): Add mmalua.
5385         (type): Handle it.
5386         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
5387         (1b_mmalua): New.
5388         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5389         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5390         CONST0_RTX.
5391         (const_int_2bit_operand): New.
5392         (fr_reg_or_0_operand): New.
5393         * config/ia64/ia64-modes.def: Add vector modes.
5394         * config/ia64/ia64-protos.h: Update.
5395         * config/ia64/vect.md: New file.
5396
5397 2005-01-03  Richard Henderson  <rth@redhat.com>
5398
5399         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5400
5401 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
5402
5403         PR target/19236
5404         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5405         to SFmode.
5406         (log1pdf2): Change mode of operands[0,1] to DFmode.
5407
5408 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5409
5410         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5411         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5412         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5413         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5414         SPARC_RELAXED_ORDERING.
5415
5416 2005-01-03  Richard Henderson  <rth@redhat.com>
5417             Uros Bizjak  <uros@kss-loka.si>
5418
5419         PR target/14631
5420         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5421         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5422         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5423         handling.
5424         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5425         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5426         const_pow2_1_to_128_operand): New predicates.
5427
5428 2005-01-02  Greg McGary  <greg@mcgary.org>
5429
5430         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5431         anonymous decls.
5432         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5433         object.  [ptr_type]: Remove unused variable.
5434         Remember nearest addressable array-element or record-component
5435         when checking bitfield components.  Tolerate empty BIND_EXPR.
5436
5437 2005-01-01  Richard Henderson  <rth@redhat.com>
5438
5439         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5440         that don't narrow the value.  Fail for other conversions.
5441
5442 2005-01-01  Richard Henderson  <rth@redhat.com>
5443
5444         PR c/19031
5445         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5446         * c-lang.c (finish_file): Don't do it here.
5447         * objc/objc-act.c (objc_finish_file): Likewise.
5448
5449         * cgraph.c (decl_assembler_name_equal): New.
5450         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5451         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5452         * cgraph.h (struct cgraph_varpool_node): Add next.
5453         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5454         * varasm.c (assemble_alias): Mark the target as needed.
5455
5456 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5457
5458         PR middle-end/19221
5459         * function.c (get_arg_pointer_save_area): Use entry_of_function
5460         instead of get_insns.
5461
5462 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5463             Andrew Pinski  <pinskia@physics.uc.edu>
5464             James E. Wilson  <wilson@specifixinc.com>
5465
5466         PR rtl-optimization/12092
5467         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5468         is zero.
5469
5470 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5471             Olivier Hainque  <hainque@act-europe.fr>
5472
5473         * tree.c (int_fits_type_p): A narrower type always fits in a
5474         wider one, except for negative values into unsigned types.
5475
5476 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5477
5478         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5479         with the original constant rather than require TREE_OVERFLOW.
5480
5481 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5482
5483         PR middle-end/17544
5484         * c-decl.c (finish_function): If compiling C99, annotate the
5485         compiler generated return with the current file name and line 0.
5486         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5487         the source line is greater than 0.
5488         (remove_bb): Likewise.
5489
5490 See ChangeLog.12 for earlier changes.