OSDN Git Service

* cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2
3         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
4         flow_loop_pre_header_scan, flow_loop_pre_header_find,
5         flow_loop_scan): Removed.
6         (flow_loop_dump): Do not dump removed fields.
7         (flow_loop_free): Do not free removed fields.
8         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
9         (loop_exit_edge_p): New function.
10         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
11         num_pre_header_edges, entry_edges, num_entries, exit_edges,
12         num_exits, exits_doms.
13         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
14         LOOP_EDGES, LOOP_ALL): Removed.
15         (flow_loop_scan): Declaration removed.
16         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
17         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
18         flow_loops_find.
19         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
20         (if_convert): Call flow_loops_find and flow_loops_free
21         when calling mark_loop_exit_edges.
22         * cfgloopanal.c (mark_loop_exit_edges): Moved from
23         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
24         free_dominance_info calls.
25         * loop-init.c (flow_loops_find): Ditto.
26         * passes.c (rest_of_handle_branch_prob): Ditto.
27         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
28         * loop-unroll.c (analyze_insns_in_loop): Do not use
29         EDGE_LOOP_EXIT.
30         * predict.c (predict_loops): Do not call flow_loop_scan.
31         Use get_loop_exit_edges.
32         (tree_estimate_probability): Do not pass flags to flow_loops_find.
33         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
34         Do not use EDGE_LOOP_EXIT.
35         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
36         to bb_with_exit_edge_p.
37         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
38         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
39         to bb_with_exit_edge_p.
40         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
41         EDGE_LOOP_EXIT.
42         * tree-loop-linear.c (linear_transform_loops): Do not call
43         flow_loop_scan.  Use loop->single_exit.
44         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
45         (vect_analyze_loop_form): Do not call flow_loop_scan.
46         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
47         loop->single_exit.
48         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
49         loop->single_exit.
50         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
51         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
52         slpeel_tree_duplicate_loop_to_edge_cfg,
53         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
54         Use loop_preheader_edge and loop->single_exit.  Do not call
55         flow_loop_scan.
56
57 2005-03-01  Nick Clifton  <nickc@redhat.com>
58
59         * config/arm/arm.c (thumb_find_work_register): Check all of the
60         argument registers to see if they are free, and a couple of
61         special cases where the last argument register but can be proved
62         to be available during the function's prologue.
63         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
64         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
65         thumb_unexpanded_epilogue): Use unsigned long as the type for the
66         register bit-mask.
67         (thumb_compute_save_reg_mask): Likewise.  Also use
68         thumb_find_work_register() to ensure that there is agreement about
69         which work register is going to be used in the prologue.
70         (thumb_output_function_prologue): Use unsigned long as the type
71         for the register bit-mask.  Also delay pushing the link register if
72         other high registers are going to be pushed.
73         (thumb_compute_save_reg_mask, emit_multi_reg_push,
74         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
75         redundant prototypes.
76
77 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
78
79         PR target/19819
80         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
81         and after reload in REG+REG indexed addresses without REG_POINTER
82         set in the base and not set in the index.
83
84 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
85
86         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
87         Don't undefine here.
88         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
89         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
90         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
91         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
92         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
93         Delete.
94         * config.gcc (sh*-*-linux*): Use config/linux.h.
95
96 2005-02-28  Dale Johannesen  <dalej@apple.com>
97             Stan Shebs  <shebs@apple.com>
98
99         Rewrite of 64-bit Darwin structure-by-value pass/return.
100         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
101         intoffset, use_stack, named.
102         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
103         (rs6000_darwin64_record_arg_advance_flush):  New.
104         (rs6000_darwin64_record_arg_advance_recurse): New.
105         (rs6000_darwin64_record_arg_flush):  New.
106         (rs6000_darwin64_record_arg_recurse):  New.
107         (rs6000_darwin64_record_arg):  New.
108         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
109         (function_arg_boundary):  Handle 128-bit aligned structs.
110         (function_arg_advance):  Rewrite darwin64 struct handling.
111         (function_arg):  Call rs6000_darwin64_record_arg.
112         (function_arg_partial_nregs):  Handle darwin64 structs.
113         (rs6000_darwin64_function_value):  Remove.
114         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
115
116 2005-02-28  Roger Sayle  <roger@eyesopen.com>
117
118         PR tree-optimization/20216
119         * tree-chrec.c (tree_fold_factorial): Delete.
120         (tree_fold_binomial): Change argument list to take a return type
121         and change the type of K to unsigned int.  Rewrite to avoid explicit
122         evaluation of factorials, and (recursively) calling fold to perform
123         compile-time arithmetic.  Return NULL on (internal) overflow.
124         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
125         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
126         if any intermediate calculation overflows.
127         (chrec_apply): Update call to chrec_evaluate.
128
129 2005-02-28  James E Wilson  <wilson@specifixinc.com>
130
131         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
132
133 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
134
135         PR c/20245
136         * c-parser.c (c_parser_compound_statement): Return error_mark_node
137         instead of NULL_TREE on error.
138
139 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
140
141         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
142         (EASY_VECTOR_15_ADD_SELF): Remove.
143         (num_insns_constant_wide): Not static.
144         (validate_condition_mode): Not static.
145         (toc_relative_expr_p): Not static.
146         (legitimate_indirect_address_p): Not static.
147         (macho_lo_sum_memory_operand): Not static.
148         (invalid_e500_subreg): Not static.
149         (easy_vector_same): Not static.
150         (easy_vector_splat_const): Not static.
151         (RS6000_SYMBOL_REF_TLS_P): Remove.
152         (any_operand): Delete.
153         (any_parallel_operand): Delete.
154         (count_register_operand): Delete.
155         (altivec_register_operand): Delete.
156         (xer_operand): Delete.
157         (s8bit_cint_operand): Delete.
158         (short_cint_operand): Delete.
159         (u_short_cint_operand): Delete.
160         (non_short_cint_operand): Delete.
161         (exact_log2_cint_operand): Delete.
162         (gpc_reg_operand): Delete.
163         (cc_reg_operand): Delete.
164         (cc_reg_not_cr0_operand): Delete.
165         (reg_or_short_operand): Delete.
166         (reg_or_neg_short_operand): Delete.
167         (reg_or_aligned_short_operand): Delete.
168         (reg_or_u_short_operand): Delete.
169         (reg_or_cint_operand): Delete.
170         (reg_or_arith_cint_operand): Delete.
171         (reg_or_add_cint64_operand): Delete.
172         (reg_or_sub_cint64_operand): Delete.
173         (reg_or_logical_cint_operand): Delete.
174         (got_operand): Delete.
175         (got_no_const_operand): Delete.
176         (easy_fp_constant): Delete.
177         (easy_vector_constant): Delete.
178         (easy_vector_constant_add_self): Delete.
179         (zero_constant): Delete.
180         (zero_fp_constant): Delete.
181         (volatile_mem_operand): Delete.
182         (offsettable_mem_operand): Delete.
183         (mem_or_easy_const_operand): Delete.
184         (add_operand): Delete.
185         (non_add_cint_operand): Delete.
186         (logical_operand): Delete.
187         (non_logical_cint_operand): Delete.
188         (mask_operand): Delete.
189         (mask_operand_wrap): Delete.
190         (mask64_operand): Delete.
191         (mask64_2_operand): Delete.
192         (and64_operand): Delete.
193         (and64_2_operand): Delete.
194         (and_operand): Delete.
195         (reg_or_mem_operand): Delete.
196         (lwa_operand): Delete.
197         (symbol_ref_operand): Delete.
198         (call_operand): Delete.
199         (current_file_function_operand): Delete.
200         (input_operand): Delete.
201         (rs6000_nonimmediate_operand): Delete.
202         (rs6000_tls_symbol_ref): Delete.
203         (save_world_operation): Delete.
204         (restore_world_operation): Delete.
205         (load_multiple_operation): Delete.
206         (store_multiple_operation): Delete.
207         (vrsave_operation): Delete.
208         (mfcr_operation): Delete.
209         (mtcrf_operation): Delete.
210         (lmw_operation): Delete.
211         (stmw_operation): Delete.
212         (branch_comparison_operator): Delete.
213         (branch_positive_comparison_operator): Delete.
214         (scc_comparison_operator): Delete.
215         (trap_comparison_operator): Delete.
216         (boolean_operator): Delete.
217         (boolean_or_operator): Delete.
218         (min_max_operator): Delete.
219         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
220         (EASY_VECTOR_15): Moved to here.
221         (EASY_VECTOR_15_ADD_SELF): Move to here.
222         (PREDICATE_CODES): Delete.
223         * config/rs6000/rs6000-protos.h: Delete predicate functions.
224         Declare functions no longer static.
225         * config/rs6000/predicates.md: New.
226         * config/rs6000/rs6000.md: Include predicates.md
227
228 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
229
230         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
231         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
232         REG_ALWAYS_RETURN.
233         * cfgrtl.c (need_fake_edge_p): Likewise.
234         * combine.c (distribute_notes): Likewise.
235         * emit-rtl.c (try_split): Likewise.
236         * recog.c (peephole2_opimize): Likewise.
237         * reg-notes.def (ALWAYS_RETURN): Remove.
238         * rtl.h (LCT_ALWAYS_RETURN): Remove.
239         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
240         * tree.h (ECF_ALWAYS_RETURN): Remove.
241
242 2005-02-28  Roger Sayle  <roger@eyesopen.com>
243
244         PR middle-end/19874
245         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
246         between different machine modes is never a "useless" conversion.
247
248 2005-02-28  Geert Bosch  <bosch@gnat.com>
249
250         PR ada/15977
251         * doc/contrib.texi: List contributors for Ada front end
252
253 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
254
255         * simplify-rtx.c (simplify_unary_operation_1,
256         simplify_const_unary_operation): New, extracted from...
257         (simplify_unary_operation): ... this one.
258         (simplify_binary_operation_1,
259         simplify_const_binary_operation): New, extracted from...
260         (simplify_binary_operation): ... this one.
261         * rtl.h (simplify_const_unary_operation,
262         simplify_const_binary_operation): Add prototypes.
263
264 2005-02-28  Julian Brown  <julian@codesourcery.com>
265
266         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
267         building libjava and caused PR regression/20228.
268
269 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
270
271         PR bootstrap/17383
272         * Makefile.in (host_subdir): New.
273         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
274         * configure: Regenerate.
275
276 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
277
278         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
279         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
280         installation directory first.
281
282 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
283
284         PR target/19065.
285         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
286         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
287         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
288         * config/cris/cris.md: Tweak comments referring to Q.
289         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
290         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
291         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
292         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
293         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
294         Insert spaces in constraints to align alternatives vertically for
295         readability.
296         ("cmphi"): Ditto.  Add separate alternative for operand 0 "Q>",
297         operand 1: "M".
298
299 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
300
301         PR rtl-optimization/17728
302         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
303         operand 0 from general_operand to move_dest_operand.
304
305 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
306
307         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
308         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
309         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
310         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
311
312 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
313
314         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
315         * configure: Regenerate.
316         * libada-mk.in: Remove CC; rename
317         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
318
319 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
320
321         PR tree-opt/20188
322         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
323         for the lhs, also walk over the tree.  Likewise for rhs.
324
325 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
326
327         * tree-ssa-dom.c (simple_iv_increment_p): New function.
328         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
329         Do not propagate value of iv before increment over the increment.
330
331 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
332
333         * c-parser.c: New file.
334         * c-parse.in: Remove.
335         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
336         Remove.
337         (c-parser.o): Add dependencies.
338         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
339         maintainer-clean, TAGS): Update.
340         * c-config-lang.in (gtfiles): Update.
341         * gengtype-lex.l: Don't handle "@@".
342         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
343         objc_build_synchronized, objc_begin_try_stmt,
344         objc_begin_catch_clause, objc_finish_catch_clause,
345         objc_build_finally_clause, objc_finish_try_stmt): New.
346         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
347         type_seen_p.
348         (c_parse_init): Update comment.
349         * c-decl.c (c_init_decl_processing): Update comment.
350         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
351         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
352         new c_declspecs members.
353
354 2005-02-25  Julian Brown  <julian@codesourcery.com>
355
356         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
357         from being used for symbols with vague linkage when
358         HAVE_GAS_COMDAT_GROUP is true.
359
360 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
361
362         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
363
364 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
365
366         PR target/19930
367         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
368         (LIBGCC2_HAS_DF_MODE): New.
369         (LIBGCC2_HAS_XF_MODE): New.
370         (LIBGCC2_HAS_TF_MODE): New.
371         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
372         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
373         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
374         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
375         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
376         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
377         and add _fixtfdi, _fixunstfdi, _floatditf
378         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
379         L_fixunstfdi, L_floatditf.
380         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
381         (LIBGCC2_HAS_TF_MODE): Define.
382
383 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
384
385         PR tree-optimization/20204
386         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
387         REWRITE_THIS_STMT markers on PHI nodes.
388         (rewrite_initialize_block): Likewise.
389
390 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
391
392         * version.c (version_string): Update to 4.1.
393
394 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
395
396         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
397         Clarify that the alternative way doesn't work in GNU C++.
398
399 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
400
401         PR tree-optimization/19937
402         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
403         to the type of the induction variable.
404
405 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
406
407         PR rtl-optimization/20117
408         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
409         the block including noncopyable insn.
410
411 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
412
413         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
414         calls to find_reg_note.
415
416 2005-02-24  Richard Henderson  <rth@redhat.com>
417
418         PR tree-opt/20127
419         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
420         the type.
421
422 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
423
424         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
425         vector types if to use base reg for misaligned non-word ld/std.
426
427 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
428
429         PR target/14619
430         * config/cris/cris.c (cris_target_asm_function_prologue): Create
431         dwarf2 label manually and put it after, not before the prologue.
432
433 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
434
435         PR target/19019
436         * reload.c (operands_match_p): Only increment register number for
437         SCALAR_INT_MODE_P modes in multiple hard registers.
438
439         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
440         Fix formatting.
441
442 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
443
444         * ChangeLog.5: Fix log message typo(s).
445         * ChangeLog.7: Likewise.
446         * ChangeLog.tree-ssa: Likewise.
447         * cfgexpand.c: Fix comment typo(s).
448         * conflict.c: Likewise.
449         * defaults.h: Likewise.
450         * dwarf2out.c: Likewise.
451         * gcse.c: Likewise.
452         * ggc-page.c: Likewise.
453         * tree-eh.c: Likewise.
454         * tree-ssa-dom.c: Likewise.
455
456 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
457
458         PR target/19019
459         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
460         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
461         if SHARED is defined.
462
463         PR target/20196
464         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
465         allow splitting only if operands 0 and 3 don't overlap.
466
467 2005-02-24  Richard Henderson  <rth@redhat.com>
468
469         PR middle-end/19953
470         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
471         (fold_builtin_1): Call them.
472         * fold-const.c (fold_complex_mult_parts): Split out from ...
473         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
474         (fold_complex_div_parts, fold_complex_div): New.
475         (fold): Use them.
476         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
477
478 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
479
480         * tree-ssa-ccp.c (visit_assignment): Verify that result of
481         VIEW_CONVERT_EXPR is_gimple_min_invariant.
482
483         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
484         (print_node): Likewise.
485         Print TYPE_SIZES_GIMPLIFIED.
486
487 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
488
489         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
490         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
491         operands as commutative in constraints.
492
493 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
494
495         * tree-into-ssa.c: Re-organize internal functions.
496
497 2005-02-24  Richard Henderson  <rth@redhat.com>
498
499         PR middle-end/18902
500         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
501         for c99.
502         * common.opt (fcx-limited-range): New.
503         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
504         * toplev.c (flag_complex_method): Initialize to 1.
505         (process_options): Set flag_complex_method to 0 if
506         flag_cx_limited_range.
507         * doc/invoke.texi (-fcx-limited-range): New.
508
509 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
510
511         * cse.c (delete_trivially_dead_insns): Speed up by using
512         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
513         prev_real_insn.
514
515 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
516
517         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
518         functions when -mid-shared-library is being used.
519
520 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
521
522         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
523         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
524         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
525         * system.h: Poison LINK_LIBGCC_SPECIAL.
526
527 2005-02-23  James E Wilson  <wilson@specifixinc.com>
528
529         * gengtype.c (note_insn_name): Make 1 element larger.
530
531 2005-02-23  Roger Sayle  <roger@eyesopen.com>
532
533         PR target/20018
534         PR rtl-optimization/20097
535         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
536         BImode SUBREGs of SImode registers which confuse the ia64 backend.
537
538 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
539
540         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
541         * t-aix52 (SHLIB_INSTALL): Same.
542
543 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
544
545         * genpreds.c: Update copyright.
546
547 2005-02-23  Michael Beach  <michaelb@ieee.org>
548
549         PR target/20159
550         * config/sparc/t-elf (startup files): Assemble with CPP.
551
552 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
553
554         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
555         (write_predicate_expr): Likewise.
556
557 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
558
559         PR tree-optimization/20100
560         PR tree-optimization/20115
561         * tree-optimize.c (init_tree_optimization_passes): Remove
562         pass_maybe_create_global_var.
563         * tree-pass.h (pass_maybe_create_global_var): Remove.
564         * tree-ssa-alias.c (aliases_computed_p): Declare.
565         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
566         (count_calls_and_maybe_create_global_var): Remove.
567         (pass_maybe_create_global_var): Remove.
568         (init_alias_info): Do not declare aliases_computed_p.
569         (maybe_create_global_var): If the function contains no
570         call-clobbered variables and a mix of pure/const and regular
571         function calls, create .GLOBAL_VAR.
572         Mark all call-clobbered variables for renaming.
573         (merge_pointed_to_info): Update comment.
574         (add_pointed_to_var): Likewise.
575         (is_escape_site): Likewise.
576         Accept struct alias_info * instead of size_t *.
577         Update all users.
578         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
579         as necessary.
580         * tree-ssa-operands.c (get_call_expr_operands): If
581         ALIASES_COMPUTED_P is false, do not add call-clobbering
582         operands.
583         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
584         (delete_tree_ssa): Likewise.
585
586 2005-02-22  James E Wilson  <wilson@specifixinc.com>
587
588         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
589         (do_compile): Do call it here.
590
591 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
592
593         PR rtl-optimization/20017.
594         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
595         rest_of_handle_cse2, rest_of_handle_gcse): Call
596         delete_dead_jumptables immediately before calling cleanup_cfg.
597
598 2005-02-22  Devang Patel  <dpatel@apple.com>
599
600         PR 19952
601         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
602         all labels
603
604 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
605
606         * config/rs6000/aix.h (WINT_TYPE): Define.
607
608 2005-02-22  Stan Shebs  <shebs@apple.com>
609
610         * config/rs6000/rs6000.c (rs6000_override_options): Default to
611         natural alignment for 64-bit Darwin.
612         (rs6000_parse_alignment_option): Warn about uses of -malign-power
613         on 64-bit Darwin.
614         * doc/invoke.texi: Document this.
615
616 2005-02-22  DJ Delorie  <dj@redhat.com>
617
618         * c-common.c (c_common_type_for_mode): Pass the mode's precision
619         to make_[un]signed_type, not the mode itself.
620
621 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
622
623         * cfg.c (cached_make_edge): Call make_edge if edge cache is
624         not available.  Use tail calls wherever possible.
625         (make_edge): Call unchecked_make_edge to create an edge.
626
627         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
628         (coalesce_ssa_name): Don't check for
629         SSANORM_USE_COALESCE_LIST.
630         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
631
632 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
633
634         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
635         (rewrite_into_ssa): ... here.
636
637 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
638
639         PR tree-optimization/19786
640         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
641         tag to another's may-alias bitmap when adding to the other's list.
642
643 2005-02-21  DJ Delorie  <dj@redhat.com>
644
645         * tree-ssa-loop-ivopts.c (computation_cost): Start register
646         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
647         registers in unsupported ways.
648         * expmed.c (init_expmed): Likewise.
649
650 2005-02-21  Stan Cox  <scox@redhat.com>
651
652         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
653
654 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
655
656         * tree-cfg.c (fold_cond_expr_cond): New.
657         (make_edges): Call fold_cond_expr_cond.
658         (find_taken_edge): Accept nothing but INTEGER_CST.
659         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
660         and 1.
661         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
662
663         * flow.c (delete_dead_jumptables): Speed up by scanning insns
664         that do not belong to any basic block.
665
666 2005-02-21  Jeff Law  <law@redhat.com>
667
668         * cfganal.c (find_unreachable_blocks): Manually CSE load of
669         e->dest.
670
671 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
672
673         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
674         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
675         Adjust their definitions.
676         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
677         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
678
679         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
680         genautomata.c, langhooks.c, langhooks.h, system.h,
681         config/arm/lib1funcs.asm: Update copyright.
682
683 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
684
685         * dbxout.c (dbxout_function_end): Emit Lscope label always.
686
687 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
688
689         PR bootstrap/13770
690         * doc/install.texi: Document --with-gc.
691
692 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
693
694         * simplify-rtx.c (simplify_unary_operation): Add a missing
695         "break" statement.
696
697 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
698
699         PR tree-optimization/18663
700         * tree-ssa-dom.c (extract_range_from_cond): Return 0
701         if the type has variable bounds.
702
703 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
704
705         * gcse.c: Remove an obsolete comment.
706
707         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
708
709 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
710
711         * doc/extend.texi (Function Attributes) <Attribute const>: The
712         attribute "pure" is below this text, not above.
713
714 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
715
716         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
717         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
718         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
719
720 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
721
722         PR 18785
723         * langhooks.h (struct lang_hooks): Add to_target_charset.
724         * langhooks.c (lhd_to_target_charset): New function.
725         * langhooks-def.h: Declare lhd_to_target_charset.
726         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
727         (LANG_HOOKS_INITIALIZER): Update.
728         * c-common.c (c_common_to_target_charset): New function.
729         * c-common.h: Declare it.
730         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
731         c_common_to_target_charset.
732
733         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
734         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
735         Delete definitions.
736         * system.h: Poison them.
737         * doc/tm.texi: Don't discuss them.
738         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
739         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
740         (pp_c_char): Do not attempt to generate letter escapes for
741         newline, tab, etc.
742         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
743         * config/mips/mips.c (mips_output_ascii): Likewise.
744
745 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
746
747         PR tree-optimization/19951
748         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
749         is abnormal.
750
751 2005-02-19  Steven Bosscher  <stevenb@suse.de>
752
753         PR middle-end/19698
754         * function.h (struct function): New field `max_loop_depth'.
755         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
756         (flow_loops_find): Reset the max loop depth count before finding loops.
757         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
758         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
759         (calculate_global_regs_live): Make sure the loop will terminate
760         when the initial sets are not empty.
761
762 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
763
764         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
765         object inside.
766         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
767
768 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
769
770         PR other/19525
771         * doc/invoke.texi: Remove documentation of %M spec.
772         * gcc.c: Likewise.
773         (init_spec): Remove %M suffix from -lgcc_s.
774         (do_spec_1): Remove 'M' case.
775         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
776         to put shared libraries in the multilib directory.  Remove the
777         shlib_so_soname substitution variable.  Don't add a multilib encoding
778         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
779         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
780         SHLIB_INSTALL as well as SHLIB_LINK.
781         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
782         (SHLIB_NAME): Delete.
783         (SHLIB_DIR): New macro.
784         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
785         (SHLIB_INSTALL): Adjust accordingly.
786         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
787         * config/t-slibgcc-sld: Likewise.
788         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
789         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
790         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
791         in $(SHLIB_DIR).
792         (SHLIBUNWIND_INSTALL): Adjust accordingly.
793         * config/i386/t-nwld (SHLIB_SONAME): Delete.
794         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
795         Use @shlib_base_name@ instead of @shlib_so_name@.
796         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
797         and @shlib_base_name@.so in @multilib_dir@.
798         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
799         to the install path.
800         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
801         (SHLIB_LINK): Remove previous workaround.
802         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
803         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
804         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
805         the install path.
806         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
807         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
808         (SHLIB_INSTALL): Adjust accordingly.
809         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
810         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
811         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
812         config/t-slibgcc-elf-ver.
813
814 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
815             Jakub Jelinek  <jakub@redhat.com>
816
817         PR tree-optimization/19828
818         * tree-ssa-loop-im.c: Add a TODO comment.
819         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
820         without side-effects.
821
822 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
823
824         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
825         call fold_convert.
826
827 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
828
829         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
830         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
831         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
832         functions.
833         (ia64_reorg): Delete fixup_errata call.
834         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
835         (TARGET_SWITCHES): Delete -mb-step entry.
836
837 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
838
839         PR c/20043
840         * c-typeck.c (composite_type): Handle quals in transparent unions.
841         (type_lists_compatible_p): Likewise.
842
843 2005-02-18  Stan Shebs  <shebs@apple.com>
844
845         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
846         expressions in the .literal8 section.
847
848 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
849
850         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
851
852 2005-02-18  Roger Sayle  <roger@eyesopen.com>
853
854         * fold-const.c (constant_boolean_node): Always create values of the
855         specified type, don't bother calling truthvalue_conversion.
856
857 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
858
859         * except.c (output_function_exception_table): Call
860         assemble_external_libcall (eh_personality_libfunc).
861
862 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
863
864         PR target/19886
865         * config/ia64/ia64.h (struct machine_function): Add state_num.
866         * config/ia64/ia64.c (process_epilogue,
867         process_for_unwind_directive): Use new unwind state numbers each
868         time rather than state 1.
869
870 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
871
872         PR target/20054
873         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
874         before the "*llgt_didi" pattern.
875
876 2005-02-18  Jason Merrill  <jason@redhat.com>
877
878         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
879
880 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
881
882         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
883         (div0): Use it in place of ARM_FUNC_ALIAS.
884         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
885
886 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
887
888         PR middle-end/20030
889         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
890         access, the lower bound of the array type if it exists.
891
892 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
893
894         PR c++/20008
895         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
896         cases that are out-of-range for the index type.
897
898 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
899
900         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
901         (estimate_case_costs): Don't call convert.
902         * expmed.c (expand_shift): Likewise.
903         (make_tree): Call fold_convert instead of convert.
904
905 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
906
907         PR c++/19813
908         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
909         that ref to be marked MEM_READONLY_P doesn't have base that needs
910         constructing.
911
912 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
913
914         * genautomata.c (output_get_cpu_unit_code_func,
915         output_cpu_unit_reservation_p): Don't generate old-style function
916         definitions.
917
918 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
919
920         PR c++/20023
921         PR tree-optimization/20009
922         * convert.c (convert_to_integer): Revert 2005-02-16 change.
923
924         PR tree-optimization/18947
925         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
926         inline, remove all nodes that are inlined into the extern inline
927         being redefined.
928
929 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
930
931         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
932         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
933         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
934         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
935         Update copyright.
936
937 2005-02-17  Roger Sayle  <roger@eyesopen.com>
938
939         PR tree-optimization/19917
940         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
941         to be potentially trapping.
942
943 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
944
945         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
946
947 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
948
949         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
950         tem becomes a local variable which is set to the value of the
951         back end defined INITIAL_FRAME_ADDRESS macro.
952         (expand_builtin_frame_address): Omit the base parameter to
953         expand_builtin_return_addr.
954         (expand_builtin_profile_func): Likewise.
955         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
956         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
957         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
958
959 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
960
961         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
962         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
963         * config/frv/frv.c (frv_function_epilogue): Likewise.
964
965 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
966
967         * lambda-code (perfect_nestify): Remove mark/unmark
968         for rewriting hack.
969         * tree-loop-linear.c (linear_transform_loops): Add
970         rewrite_into_ssa call so that ssa is correct for
971         rewriting into loop closed.
972
973 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
974
975         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
976         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
977         BITMAP_FREE.
978         * bt-load.c (btr_def_live_range, combine_btr_defs,
979         migrate_btr_def, migrate_btr_defs): Likewise.
980         * cfgcleanup.c (thread_jump): Likewise.
981         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
982         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
983         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
984         df_rd_local_compute, df_reg_info_compute): Likewise.
985         * dominance.c (init_dom_info, free_dom_info): Likewise.
986         * flow.c (init_propagate_block_info,
987         free_propagate_block_info): Likewise.
988         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
989         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
990         modify_reg_pav): Likewise.
991         * loop-invariant.c (find_defs, find_invariant_insn,
992         find_invariants, free_inv_motion_data): Likewise.
993         * predict.c (tree_predict_by_opcode,
994         estimate_bb_frequencies): Likewise.
995         * stmt.c (expand_case): Likewise.
996         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
997         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
998         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
999         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1000         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1001         rewrite_ssa_into_ssa): Likewise.
1002         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1003         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1004         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1005         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1006         * tree-sra.c (tree_sra): Likewise.
1007         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1008         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1009         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1010         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1011         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1012         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1013         Likewise.
1014         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1015         calculate_live_on_entry, calculate_live_on_exit,
1016         build_tree_conflict_graph): Likewise.
1017         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1018         record_important_candidates, set_use_iv_cost, find_depends,
1019         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1020         tree_ssa_iv_optimize_finalize): Likewise.
1021         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1022         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1023         tree_duplicate_loop_to_header_edge): Likewise.
1024         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1025         * tree-ssa.c (verify_flow_insensitive_alias_info,
1026         verify_name_tags, verify_ssa, init_tree_ssa,
1027         delete_tree_ssa): Likewise.
1028         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1029         fini_ssanames): Likewise.
1030         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1031
1032 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1033
1034         * config/rs6000/t-rtems: Completely reworked.
1035
1036 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1037
1038         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1039
1040 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1041
1042         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1043         POINTER_TYPE_P when checking that type is a pointer.
1044         (vect_get_memtag): Remove.
1045         (vect_address_analysis): Use POINTER_TYPE_P. Call
1046         vect_object_analysis with dummy parameter for memtag.
1047         (vect_object_analysis): Extract memtag (functionality that
1048         used to be in vect_get_memtag and moved here). Fix printings.
1049         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1050         with correct parameters. Remove call to vect_get_memtag.
1051
1052 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1053
1054         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1055         (tree-vectorizer.o): Added missing dependencies.
1056
1057         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1058         decleration.
1059         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1060         declaration in tree-vectorizer.c, now has an extern declaration in
1061         tree-vectorizer.h).
1062         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1063         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1064         get_vectype_for_scalar_type, vect_is_simple_use,
1065         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1066         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1067         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1068         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1069         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1070         find_loop_location): Likewise.
1071
1072         * tree-vectorizer.c (langhooks.h): #include removed.
1073         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1074         moved to tree-vectorized.h.
1075         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1076         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1077         get_vectype_for_scalar_type, vect_is_simple_use,
1078         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1079         vect_supportable_dr_alignment, new_loop_vec_info,
1080         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1081         vect_set_verbosity_level, find_loop_location): Likewise.
1082
1083         (vect_analyze_loop): Function externalized. Declaration moved to
1084         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1085         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1086         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1087         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1088         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1089         vect_enhance_data_refs_alignment, vect_analyze_operations,
1090         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1091         vect_stmt_relevant_p, vect_get_loop_niters,
1092         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1093         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1094         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1095         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1096         vect_get_memtag): Likewise.
1097
1098         (vectorizable_load): Function externalized. Declaration moved to
1099         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1100         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1101         vect_transform_loop): Likewise.
1102         (vect_transform_stmt): Moved to tree-vect-transform.c.
1103         (vect_align_data_ref, vect_create_destination_var,
1104         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1105         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1106         vect_get_vec_def_for_operand, vect_init_vector,
1107         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1108         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1109         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1110         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1111         vect_do_peeling_for_loop_bound): Likewise.
1112
1113         * tree-vect-analyze.c: New file.
1114         * tree-vect-transform.c: New file.
1115
1116 2005-02-17  Jason Merrill  <jason@redhat.com>
1117
1118         PR mudflap/19319, c++/19317
1119         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1120         slot explicit.
1121
1122 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1123
1124         * doc/install.texi (Specific): Update link for Darwin-specific
1125         tool binary site.
1126
1127 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1128
1129         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1130         constant_boolean_node.
1131
1132 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1133
1134         PR target/19019
1135         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1136         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1137
1138 2005-02-16  Richard Henderson  <rth@redhat.com>
1139
1140         PR 19920
1141         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1142         with W_TYPE_SIZE.
1143         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1144         replace uses with Wtype_MAXp1_F.
1145         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1146         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1147         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1148         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1149         and HAVE_TFMODE as appropriate.
1150         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1151         (__floatdisf): Likewise.
1152         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1153         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1154         (Wtype_MAXp1_F): New.
1155         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1156         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1157
1158 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1159
1160         * PR target/19162
1161         * arm.c (arm_apply_result_size): New function.
1162         * arm.h (APPLY_RESULT_SIZE): Define.
1163         * arm-protos.h (arm_apply_result_size): Add prototype.
1164         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1165         (movxf): New expand.
1166         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1167         (call_value_symbol): Remove predicate for operand 0.
1168         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1169         (untyped_call): Rework to correclty return values for any type.
1170         (untyped_return): New expand.
1171         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1172
1173 2005-02-16  Stan Shebs  <shebs@apple.com>
1174
1175         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1176         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1177
1178 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1179
1180         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1181         configure settings on Solaris 7 and later.
1182
1183 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1184
1185         PR tree-optimization/19865
1186         * tree-optimize.c (init_tree_optimization_passes): Run
1187         pass_may_alias after pass_sra.
1188
1189 2005-02-16  Richard Henderson  <rth@redhat.com>
1190             Stuart Hastings  <stuart@apple.com>
1191
1192         PR debug/19521
1193         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1194         Do nothing if debug info suppressed for this function.
1195         (dbxout_begin_function): Early exit if debug info suppressed for
1196         this function.
1197
1198 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1199
1200         PR target/20007
1201         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1202         find_basic_blocks.
1203         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1204
1205         PR tree-optimization/19967
1206         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1207         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1208         argument TYPE.  Adjust calls to fold_builtin_XXX.
1209         (expand_builtin, fold_builtin_1): Adjust calls to
1210         expand_builtin_XXX.
1211         (fold_builtin_strchr, fold_builtin_strpbrk,
1212         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1213         result to a requested type TYPE.
1214
1215 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1216
1217         PR middle-end/19857
1218         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1219         (T)x & (T)cst if (T)cst overflows.
1220         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1221         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1222
1223 2005-02-15  Jeff Law  <law@redhat.com>
1224
1225         * gcse.c (blocks_with_calls): New bitmap.
1226         (alloc_gcse_mem): Allocate it.
1227         (free_gcse_mem): Free it.
1228         (clear_modifY_mem_tables): Clear it.
1229         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1230         when we encounter CALL_INSNs.
1231         (compute_transp, case MEM): Handle blocks with calls separate
1232         from blocks without calls.  Use bitmap iterators rather than
1233         FOR_EACH_BB.
1234
1235 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1236
1237         PR bootstrap/18810
1238         * mklibgcc.in (vis_hide): Use a temporary object file, not
1239         -o /dev/null.
1240
1241 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1242
1243         PR target/19924
1244         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1245         access optimization.
1246
1247 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1248             Alan Modra  <amodra@bigpond.net.au>
1249
1250         PR target/19019
1251         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1252         (_xlqsub): Rename to __gcc_qsub.
1253         (_xlqmul): Rename to __gcc_qmul.
1254         (_xlqdiv): Rename to __gcc_qdiv.
1255         Provide versioned symbol aliases with old names.
1256         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1257         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1258         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1259         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1260         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1261
1262 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1263
1264         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1265         Fold ~(A - 1) and ~(A + -1) to -A.
1266
1267 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1268
1269         PR pch/14940
1270         PR target/19300
1271         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1272         config/pa/pa-host.c:pa_gt_pch_use_address.
1273
1274 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1275
1276         * tree-vn.c (get_value_handle): Make sure that given an
1277         is_gimple_min_invariant expression, we always return it.
1278
1279 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1280
1281         * passes.c (rest_of_handle_gcse): Fix a comment.
1282
1283 2005-02-15  Jeff Law  <law@redhat.com>
1284
1285         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1286         bitmap.
1287         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1288         (canon_list_insert, record_last_mem_set_info): Similarly.
1289         (clear_modify_mem_tables): Similarly.
1290
1291 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1292
1293         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1294         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1295         config/mips/mips.md, config/rs6000/aix.h,
1296         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1297
1298 2005-02-15  Richard Henderson  <rth@redhat.com>
1299
1300         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1301         call to be best_edge.
1302
1303 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1304
1305         * basic-block.h: Adjust the prototype for find_basic_blocks.
1306         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1307         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1308         find_basic_blocks.
1309
1310         * flow.c (recompute_reg_usage): Remove all arguments.
1311         * passes.c (rest_of_compilation): Adjust the call to
1312         recompute_reg_usage.
1313         * rtl.h: Adjust the prototype for recompute_reg_usage.
1314
1315 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1316
1317         * tree-dump.c (dump_files): Update to reflect new member
1318         of dump_file_info.
1319         (dump_register): Add new argument.
1320         Set glob name.
1321         (dump_switch_p_1): Check against glob name if doglob was passed.
1322         (dump_switch_p): Check against regular first, then glob if
1323         we didn't have any hits on the dump name.
1324         * tree-optimize.c (register_one_dump_file):
1325         Pass in glob name as well.
1326         * tree-pass.h (struct dump_file_info): Add glob
1327         member.
1328
1329 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1330
1331         PR preprocessor/16323
1332         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1333
1334 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1335
1336         PR target/19019
1337         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1338         (trunctfdf2_internal1): New.
1339         (trunctfdf2_internal2): Renamed from trunctfdf2.
1340
1341 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1342
1343         PR tree-optimization/19853
1344         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1345
1346 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1347
1348         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1349         delete_dead_jumptables and cleanup_cfg.
1350
1351 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1352
1353         * reload.c (find_reloads): Swap address_reloaded flags when
1354         swapping commutative operands.
1355
1356 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1357
1358         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1359         Use standard_iv_increment_position for computing the bsi position
1360         for create_iv.
1361         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1362         the bsi position.
1363
1364 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1365
1366         PR target/17428
1367         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1368         life range of hard registers.
1369         * value-prof.c (insn_prefetch_values_to_profile): Only
1370         scan normal insns.
1371
1372         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1373         profile in libcalls.
1374
1375 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1376
1377         * bitmap.h (bitmap_and_compl_into): Return bool.
1378         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1379
1380 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1381
1382         PR tree-optimization/19944
1383         * fold-const.c (fold): Re-add ABS_EXPR folding.
1384
1385 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1386
1387         PR target/19019
1388         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1389         {TARGET,MASK}_XL_COMPAT.
1390         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1391         MASK_XL_COMPAT.
1392         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1393         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1394         TARGET_XL_COMPAT.
1395         (rs6000_arg_partial_bytes): Same.
1396         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1397         and XL compatibility enabled.
1398         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1399         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1400         test to final condition.
1401         (cmptf_internal2): New.
1402         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1403         xl-compat.  Add TFmode information to description.
1404
1405 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1406
1407         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1408
1409 2005-02-13  Jason Merrill  <jason@redhat.com>
1410
1411         PR c++/16405
1412         * fold-const.c (fold_indirect_ref_1): Split out from...
1413         (build_fold_indirect_ref): Here.
1414         (fold_indirect_ref): New fn.
1415         * tree.h: Declare it.
1416         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1417         (gimplify_modify_expr_rhs): Likewise.
1418         (gimplify_expr): Likewise.
1419
1420 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1421
1422         PR tree-optimization/14303
1423         PR tree-optimization/15784
1424         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1425         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1426         ABS_EXPR<x> != 0 to x != 0.
1427
1428 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1429
1430         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1431         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1432         spelling conventions.
1433
1434         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1435         delete_trivially_dead_insns too many times.
1436
1437         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1438         tem and tem2.
1439
1440 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1441
1442         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1443         (vect_is_simple_iv_evolution): Remove redundant parameter
1444         and step check.
1445         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1446         without last parameter.
1447         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1448         Return pointer step. Call vect_is_simple_iv_evolution without
1449         last parameter. Check only that the step is multiple of size
1450         type. Remove stmt_vinfo updates.
1451         (vect_get_memtag_and_dr): Remove.
1452         (vect_get_memtag): New function.
1453         (vect_address_analysis): New function.
1454         (vect_object_analysis): New function.
1455         (vect_analyze_data_refs): Call vect_object_analysis and
1456         vect_get_memtag. Update stmt_vinfo fields.
1457
1458 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1459
1460         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1461         exist and are objects. Remove checks for pointer.
1462         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1463         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1464         (vect_create_data_ref_ptr): Likewise.
1465         (vect_base_addr_differ_p): New function.
1466         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1467         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1468         Don't set the DR_BASE_NAME field of data-ref.
1469         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1470
1471 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1472
1473         * optabs.h (enum optab_index): Add new OTI_ldexp.
1474         (ldexp_optab): Define corresponding macro.
1475         * optabs.c (init_optabs): Initialize ldexp_optab.
1476         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1477         patterns.
1478         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1479         using ldexp_optab.
1480         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1481         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1482
1483         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1484         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1485         intrinsics.
1486
1487 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1488
1489         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1490         to base_address.
1491         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1492         stmt_vec_info.
1493         (vect_get_base_and_offset): Always return an address.
1494         (vect_create_addr_base_for_vector_ref): Remove treatment for
1495         different data reference types.
1496         (vect_compute_data_ref_alignment): Rename base to base_address in
1497         stmt_vec_info. Get the object in order to force its alignment.
1498         (vect_get_memtag_and_dr): Rename base to base_address in
1499         stmt_vec_info. Extract the object for memtag analysis.
1500
1501 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1502
1503         PR regression/19898.
1504         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1505         changes cc_status, use apply modified_in_p to part of cc_status
1506         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1507         body.
1508
1509 2005-02-11  Richard Henderson  <rth@redhat.com>
1510
1511         * tree-complex.c (expand_complex_libcall): New.
1512         (expand_complex_multiplication): Use it for c99 compliance.
1513         (expand_complex_division): Likewise.
1514         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1515         (fold): Call them.
1516         * builtins.c (built_in_names): Remove const.
1517         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1518         builtins.
1519         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1520         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1521         (built_in_names): Remove const.
1522         * c-common.c (c_common_type_for_mode): Handle complex modes.
1523         * flags.h, toplev.c (flag_complex_method): Rename from
1524         flag_complex_divide_method.
1525         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1526         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1527         * libgcc2.h: Declare them.
1528         * libgcc-std.ver: Export them.
1529         * mklibgcc.in (lib2funcs): Build them.
1530
1531 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1532
1533         PR tree-optimization/19876
1534         Partially revert my change from 2005-01-14
1535         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1536         (compute_antic): ...and remove the loop here.
1537
1538 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1539
1540         PR middle-end/19858
1541         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1542         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1543
1544         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1545         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1546
1547 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1548
1549         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1550         offsets for the big-endian 32-bit case.
1551
1552 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1553
1554         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1555
1556 2005-02-11  Dale Johannesen  <dalej@apple.com>
1557
1558         * cselib.c (cselib_process_insn):  Clear out regs where
1559         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1560         * reload.c (find_equiv_reg): Ditto.
1561
1562 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1563
1564         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1565         with no elements.
1566
1567         * tree.c (build_function_type_list): Work correctly if there are
1568         no arguments.
1569
1570 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1571
1572         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1573         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1574         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1575         TARGET_ZARCH instead of TARGET_64BIT.
1576
1577 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1578
1579         * config/rs6000/t-rtems:
1580         (MULTILIB_OPTIONS): Remove mcpu=602.
1581         (MUTLILIB_DIRNAMES): Remove m602.
1582         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1583         Let mcpu=602 match mcpu=603.
1584         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1585
1586 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1587
1588         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1589         signal trampolines.
1590
1591 2005-02-10  David Daney  <ddaney@avtrex.com>
1592
1593         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1594         * config/i386/linux-unwind.h: Likewise.
1595         * config/ia64/linux-unwind.h: Likewise.
1596         * config/mips/linux-unwind.h: Likewise.
1597         * config/pa/linux-unwind.h: Likewise.
1598         * config/rs6000/linux-unwind.h: Likewise.
1599         * config/s390/linux-unwind.h: Likewise.
1600         * config/sh/linux-unwind.h: Likewise.
1601         * config/sparc/linux-unwind.h: Likewise.
1602
1603 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1604
1605         PR tree-optimization/17549
1606         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1607         TER to replace a DEF with its expression if the DEF and the
1608         rhs of the expression we replace into have the same root
1609         variable.
1610
1611 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1612
1613         * config/mips/mips.md: Fix the placement of the match_scratch in the
1614         lea64 peephole2.
1615
1616 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1617
1618         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1619         Fix comment typos.
1620
1621 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1622
1623         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1624         (strip_offset): Handle addresses.
1625         (add_address_candidates): Use strip_offset.
1626         (difference_cost): Reflect strip_offset change.
1627         (force_var_cost, difference_cost): Strip nops.
1628
1629 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1630
1631         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1632
1633         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1634         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1635         config/cris/cris-protos.h, config/cris/cris.c: Update
1636         copyright.
1637
1638 2005-02-10  Jeff Law  <law@redhat.com>
1639
1640         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1641         (lookup_avail_expr): Similarly.
1642
1643 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1644
1645         * builtins.c (fold_builtin_powi): New function.
1646         (fold_builtin_1): Call it.
1647
1648 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1649
1650         PR documentation/19309
1651         * doc/cpp.texi: The __GNUC__ and related predefined macros
1652         are also defined for the "standalone" cpp.
1653         Some non-GCC compilers may also define __GNUC__.
1654
1655 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1656
1657         PR c/19342
1658         * c-typeck.c (common_type): New routine.  Old common_type renamed
1659         to...
1660         (c_common_type): ...this.
1661         (build_conditional_expr, build_binary_op): Use c_common_type instead
1662         of common_type.
1663
1664 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1665
1666         * doc/md.texi: Replace @samp{length} with @code{length}.
1667
1668 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1669
1670         PR tree-optimization/18687
1671         * tree-flow.h (find_loop_niter): Declare.
1672         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1673         Try using scev even for loops with more than one exit.
1674         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1675         (struct ivopts_data): Added niters field.
1676         (struct nfe_cache_elt): New.
1677         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1678         functions.
1679         (tree_ssa_iv_optimize_init): Initialize niters cache.
1680         (determine_number_of_iterations): Removed.
1681         (find_induction_variables): Do not call determine_number_of_iterations.
1682         Access niters for single exit through niter_for_single_dom_exit.
1683         (add_iv_outer_candidates): Access niters for single exit through
1684         niter_for_single_dom_exit.
1685         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1686         number_of_iterations_cond.
1687         (iv_period): New function.
1688         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1689         (may_replace_final_value): Take data argument.  Use
1690         niter_for_single_dom_exit.
1691         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1692         (rewrite_use_compare): Pass data to may_eliminate_iv.
1693         (rewrite_use_outer): Pass data to may_replace_final_value.
1694         (free_loop_data): Clean up the niters cache.
1695         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1696         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1697         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1698         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1699         (num_ending_zeros): Moved to tree.c.
1700         * tree.h (num_ending_zeros): Declare.
1701         * tree.c (num_ending_zeros): Moved from tree.c.
1702
1703 2005-02-09  Richard Henderson  <rth@redhat.com>
1704
1705         * builtins.c (DEF_BUILTIN): Add COND argument.
1706         * tree.h (DEF_BUILTIN): Likewise.
1707         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1708         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1709         match.
1710         (DEF_BUILTIN_STUB): New.
1711         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1712         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1713         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1714         * c-common.c (DEF_BUILTIN): Add COND argument.
1715         * tree.c (local_define_builtin): New.
1716         (build_common_builtin_nodes): New.
1717
1718 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1719
1720         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1721         floating point expression ignoring the sign of the result.
1722         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1723         (fold) <MULT_EXPR>: Use it to simplify x*x.
1724         * tree.h (fold_strip_sign_ops): Prototype here.
1725         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1726         argument.  Use fold_strip_sign_ops to simplify the first argument.
1727         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1728         first argument when the second argument is an even integer
1729         constant, but only with -funsafe_math_optimizations.
1730         (fold_builtin_1): Update call to fold_builtin_copysign.
1731
1732 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1733
1734         PR middle-end/19583
1735         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1736         just check whether EH_FILTER_FAILURE falls through.
1737
1738 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1739
1740         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1741         insns return to ready list in the next turn.
1742
1743 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1744
1745         PR middle-end/19402
1746         * builtins.def: New __builtin_powi[lf].
1747         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1748         (expand_builtin_powi): New function.
1749         (expand_builtin): Dispatch to expand_builtin_powi.
1750         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1751         * libgcc2.c: Add __builtin_powi[lf] implementation.
1752         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1753         * optabs.h: Add powi_optab.
1754         * optabs.c (init_optabs): Initialize powi_optab.
1755         * doc/extend.texi: Document __builtin_powi[lf].
1756
1757 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1758
1759         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1760         exists.
1761
1762 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1763
1764         PR middle-end/19854
1765         * fold-const.c (try_move_mult_to_index): Remove redundant
1766         type argument.  Create ADDR_EXPR with correct type.
1767         (fold): Update callers of try_move_mult_to_index.  Convert
1768         result to the appropriate type.
1769
1770 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1771
1772         PR target/19597
1773         * config/avr/avr.c (default_rtx_costs): Delete.
1774         (avr_operand_rtx_cost): New function.
1775         (avr_rtx_costs): Completely rewrite.
1776
1777 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1778
1779         PR target/19806
1780         * config/cris/cris.c (in_code): New variable.
1781         (cris_output_addr_const): Now a static function, a wrapper for
1782         output_addr_const.
1783         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1784         case from old cris_output_addr_const.
1785         (cris_asm_output_label_ref): Similar for LABEL_REF.
1786         (cris_output_addr_const_extra): Similar for UNSPEC.
1787         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1788         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1789         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1790         declaration.
1791         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1792         (cris_asm_output_label_ref): Declare.
1793
1794 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1795
1796         PR preprocessor/19801
1797         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1798         filenames that changed when libcpp was moved to the toplevel.
1799
1800 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1801
1802         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1803         zero extensions of BImode operands.  Call lowpart_subreg instead
1804         of gen_lowpart_common and gen_lowpart_SUBREG.
1805
1806 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1807
1808         PR ada/19489
1809         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1810         * configure.ac: Set cc_for_cross_gnattools.
1811         * configure: Regenerate.
1812
1813 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1814
1815         PR target/19803
1816         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1817
1818 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1819
1820         PR debug/19327
1821         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1822         of nested functions.
1823
1824 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1825
1826         * doc/extend.texi: Document deprecated extensions allowing
1827         static floating-point members to have initializers and allowing
1828         floating-point literals in integral constant expressions.
1829
1830 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1831
1832         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1833         config/darwin7.h, config/mips/mips.c,
1834         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1835         Update copyright.
1836
1837         * cse.c: Update comments.
1838
1839 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1840
1841         PR middle-end/19775
1842         * builtins.c (fold_builtin_sqrt): Transform
1843         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1844         pow(x,y*0.5).
1845
1846 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1847             Dorit Naishlos  <dorit@il.ibm.com>
1848
1849         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1850         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1851         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1852         was added.
1853         * tree.h (vect_set_verbosity_level): New extern function declaration
1854         added.
1855         * tree-vectorizer.h (verbosity_levels): New enum type.
1856         * tree-vectorizer.c (vect_debug_stats): Function removed.
1857         (vect_debug_details): Likewise.
1858         (vect_verbosity_level): Global variable was defined and initialized.
1859         (vect_dump): Global variable definition.
1860         (vect_print_dump_info): New function.
1861         (vect_set_dump_settings): New function.
1862         (vect_set_verbosity_level): New function.
1863         (vectorize_loops): Add call to vect_set_dump_settings.
1864
1865         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1866         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1867         (slpeel_tree_peel_loop_to_edge): Likewise.
1868
1869         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1870         appropriate verbosity level instead of call to vect_debug_details
1871         or vect_debug_stats.
1872         (vect_get_base_and_offset):
1873         (vect_create_addr_base_for_vector_ref):
1874         (get_vectype_for_scalar_type):
1875         (vect_create_data_ref_ptr):
1876         (vect_init_vector):
1877         (vect_get_vec_def_for_operand):
1878         (vect_finish_stmt_generation):
1879         (vectorizable_assignment):
1880         (vectorizable_operation):
1881         (vectorizable_store):
1882         (vectorizable_load):
1883         (vect_transform_stmt):
1884         (vect_update_ivs_after_vectorizer):
1885         (vect_do_peeling_for_loop_bound):
1886         (vect_update_inits_of_drs):
1887         (vect_do_peeling_for_alignment):
1888         (vect_transform_loop):
1889         (vect_is_simple_use):
1890         (vect_analyze_operations):
1891         (vect_is_simple_iv_evolution):
1892         (vect_analyze_scalar_cycles):
1893         (vect_analyze_data_ref_dependence):
1894         (vect_analyze_data_ref_dependences):
1895         (vect_compute_data_ref_alignment):
1896         (vect_enhance_data_refs_alignment):
1897         (vect_analyze_data_refs_alignment):
1898         (vect_analyze_data_ref_access):
1899         (vect_analyze_data_ref_accesses):
1900         (vect_analyze_pointer_ref_access):
1901         (vect_get_memtag_and_dr):
1902         (vect_analyze_data_refs):
1903         (vect_mark_relevant):
1904         (vect_stmt_relevant_p):
1905         (vect_mark_stmts_to_be_vectorized):
1906         (vect_can_advance_ivs_p):
1907         (vect_get_loop_niters):
1908         (vect_analyze_loop_form):
1909         (vect_analyze_loop):
1910         (vectorize_loops): Likewise.
1911
1912         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1913         (vect_update_inits_of_drs):
1914         (vect_do_peeling_for_alignment):
1915         (vect_transform_loop):
1916         (vect_analyze_operations):
1917         (vect_analyze_scalar_cycles):
1918         (vect_analyze_data_ref_dependences):
1919         (vect_analyze_data_refs_alignment):
1920         (vect_analyze_data_ref_accesses):
1921         (vect_analyze_data_refs):
1922         (vect_mark_stmts_to_be_vectorized):
1923         (vect_get_loop_niters):
1924         (vect_analyze_loop_form):
1925         (vect_analyze_loop): Likewise.
1926         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1927
1928 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1929
1930         PR bootstrap/19796
1931         Revert:
1932         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1933         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1934         either -ffast-math or -funsafe-math-optimizations is in use.
1935
1936         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1937         * config/mips/irix-csr.c: New file.
1938         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1939         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1940         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1941         executables.
1942
1943 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1944
1945         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1946         redundant, incorrect definitions.
1947
1948         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1949         expand.
1950         ("*tls_indirect_call"): New, reference hard regs directly.
1951         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1952
1953 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1954
1955         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1956         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1957
1958 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1959
1960         PR rtl-optimization/19800
1961         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1962         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1963         gen_lowpart.
1964
1965 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1966
1967         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1968
1969 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1970
1971         PR other/17135
1972         * doc/invoke.texi: Correct documentation of -freorder-functions.
1973
1974 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1975
1976         PR other/14402
1977         * doc/invoke.texi: Don't mention gccbug.
1978
1979 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1980             Andrew Pinski  <pinskia@physics.uc.edu>
1981             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1982
1983         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1984         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1985         into just (zero_extract:SI FOO (const_int 1) BAR).
1986
1987 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1988
1989         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1990         macro locally.  Don't give last revision date.  Use GCC version
1991         number from gcc-common.texi.
1992         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1993         revision date.  Use GCC version number from gcc-common.texi.
1994         Describe being a library as current state rather than as 3.x
1995         history.
1996         * doc/gcc.texi: Remove last update date.
1997         * doc/gccint.texi: Likewise.  Update copyright dates.
1998         * doc/install.texi: Update copyright dates.
1999
2000 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2001
2002         PR other/7549
2003         * doc/invoke.texi: Mention for each option included in -Wall that
2004         it is included in -Wall.
2005         * doc/gcc.texi: Update copyright and last modification date.
2006
2007 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2008
2009         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2010         unnecessary cast to original induction variable increments.
2011
2012 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2013
2014         PR tree-optimization/18219
2015         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2016         in distributed form.
2017
2018 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2019
2020         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2021         Set bitpos and offset later in the function.  Do nothing if the
2022         target is a register and if the bitfield lies completely outside
2023         that register.
2024         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2025         here.  Return an uninitialised register if the source value is stored
2026         in a register and the bitfield lies completely outside that register.
2027
2028 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2029
2030         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2031         not SET_DEST.
2032
2033 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2034
2035         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2036
2037 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2038
2039         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2040         * config/darwin8.h: New.
2041         * config/darwin7.h: Update comment.
2042
2043 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2044             Dorit Naishlos  <dorit@il.ibm.com>
2045
2046         * tree-vectorizer.h (LOC): New type.
2047         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2048         (loop_line_number): New field in struct _loop_vec_info.
2049         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2050
2051         * tree-vectorizer.c (input.h): Included.
2052         (find_loop_location): New function.
2053         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2054         loop line number removed.
2055         (vect_debug_details): Likewise.
2056         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2057
2058         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2059         call to vect_debug_details/stats changed from loop to loop_loc.
2060         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2061         (slpeel_tree_peel_loop_to_edge): Likewise.
2062
2063         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2064         changed from NULL to UNKNOWN_LOC.
2065         (vect_get_base_and_offset):
2066         (vect_create_addr_base_for_vector_ref):
2067         (get_vectype_for_scalar_type):
2068         (vect_create_data_ref_ptr):
2069         (vect_init_vector):
2070         (vect_get_vec_def_for_operand):
2071         (vect_finish_stmt_generation):
2072         (vectorizable_assignment):
2073         (vectorizable_operation):
2074         (vectorizable_store):
2075         (vectorizable_load):
2076         (vect_transform_stmt):
2077         (vect_update_ivs_after_vectorizer):
2078         (vect_do_peeling_for_loop_bound):
2079         (vect_do_peeling_for_alignment):
2080         (vect_transform_loop):
2081         (vect_is_simple_use):
2082         (vect_analyze_operations):
2083         (vect_is_simple_iv_evolution):
2084         (vect_analyze_scalar_cycles):
2085         (vect_analyze_data_ref_dependences):
2086         (vect_compute_data_ref_alignment):
2087         (vect_enhance_data_refs_alignment):
2088         (vect_analyze_data_ref_access):
2089         (vect_analyze_data_ref_accesses):
2090         (vect_analyze_pointer_ref_access):
2091         (vect_get_memtag_and_dr):
2092         (vect_analyze_data_refs):
2093         (vect_mark_relevant):
2094         (vect_stmt_relevant_p):
2095         (vect_mark_stmts_to_be_vectorized):
2096         (vect_can_advance_ivs_p):
2097         (vect_get_loop_niters):
2098         (vect_analyze_loop):
2099         (vectorize_loops): Likewise.
2100
2101         (vectorizable_load): Argument in call to vect_debug_details/stats
2102         changed from loop to LOOP_LOC (loop_vinfo).
2103         (vect_transform_loop):
2104         (vect_analyze_operations):
2105         (vect_analyze_scalar_cycles):
2106         (vect_analyze_data_ref_dependence):
2107         (vect_enhance_data_refs_alignment):
2108         (vect_analyze_data_ref_accesses):
2109         (vect_analyze_pointer_ref_access):
2110         (vect_analyze_data_refs):
2111         (vect_analyze_loop): Likewise.
2112
2113         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2114         changed from loop to loop_loc.
2115
2116         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2117
2118 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2119             Dorit Naishlos  <dorit@il.ibm.com>
2120
2121         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2122         declaration added.
2123         (vect_analyze_data_ref_dependences): Likewise.
2124
2125         (vect_is_simple_use): Argument changed from loop structure to
2126         loop_vect_info structure.
2127         (vect_can_advance_ivs_p): Likewise.
2128         (vect_create_index_for_vector_ref): Likewise.
2129         (vect_update_ivs_after_vectorizer): Likewise.
2130         (new_stmt_vec_info): Likewise.
2131
2132         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2133         changed from loop to loop_vinfo.
2134         (vect_create_data_ref_ptr): First argument in call to
2135         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2136         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2137         was changed from loop to loop_vinfo.
2138         (vectorizable_operation): Likewise.
2139         (vectorizable_store): Likewise.
2140         (vect_mark_stmts_to_be_vectorized): Likewise.
2141         (vect_do_peeling_for_loop_bound): First argument in call to
2142         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2143         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2144         was changed from loop to loop_vinfo.
2145         (vect_analyze_data_ref_dependences): Third argument in call to
2146         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2147
2148         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2149         (vect_create_data_ref_ptr): Likewise.
2150         (vect_init_vector): Likewise.
2151         (vect_get_vec_def_for_operand): Likewise.
2152         (vectorizable_assignment): Likewise.
2153         (vectorizable_operation): Likewise.
2154         (vectorizable_store): Likewise.
2155         (vectorizable_load): Likewise.
2156         (vect_update_ivs_after_vectorizer): Likewise.
2157         (vect_is_simple_use): Likewise.
2158         (vect_analyze_data_ref_dependence): Likewise.
2159         (vect_analyze_pointer_ref_access): Likewise.
2160         (vect_can_advance_ivs_p): Likewise.
2161
2162         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2163         before _stmt_vec_info.
2164         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2165         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2166         (new_stmt_vec_info): Argument changed from loop structure to
2167         loop_vect_info structure
2168
2169         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2170         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2171         (vect_create_addr_base_for_vector_ref): Likewise.
2172         (vect_analyze_pointer_ref_access): Likewise.
2173
2174 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2175
2176         PR tree-opt/19768
2177         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2178         phi flag if the phi is abnormal.
2179
2180 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2181
2182         PR tree-opt/19736
2183         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2184         information for the new statement.
2185
2186 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2187
2188         PR driver/19117
2189         * gcc.c (main): Include the target in -v output.
2190
2191 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2192
2193         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2194         Do not drop the extend if we'd have to add a paradoxical subreg
2195         later.  Include optabs.h and insn-codes.h.
2196         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2197
2198 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2199
2200         PR middle-end/19405
2201         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2202         * fold-const.c (const_binop): Avoid constant folding floating
2203         point operations in modes that use composite representations.
2204         * simplify-rtx.c (simplify_binary_operation): Likewise.
2205
2206 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2207
2208         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2209         a REG, not a MEM.
2210         (altivec_dstt): Likewise.
2211         (altivec_dstst): Likewise.
2212         (altivec_dststt): Likewise.
2213         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2214         of first operand.
2215
2216 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2217
2218         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2219         EXPR_LOCUS from orig_cond to the new cond_stmt.
2220         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2221         the new vec_stmt.
2222
2223 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2224
2225         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2226         standard_iv_increment_position. Remove call to bsi_next
2227         (no need to bump the iterator anymore).
2228         (vect_create_index_for_vector_ref): Call
2229         standard_iv_increment_position. Remove second function argument.
2230         (vect_finish_stmt_generation): Remove call to bsi_next
2231         (no need to bump the iterator anymore).
2232         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2233         to vect_create_index_for_vector_ref.
2234
2235 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2236
2237         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2238         phis are used out of the loop.
2239
2240 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2241
2242         PR c/17807
2243         * c-decl.c (undef_nested_function): New variable.
2244         (pop_scope): Diagnose undefined nested functions.
2245         (finish_function): Don't attempt cgraph processing or genericizing
2246         if current top-level function contained an undefined nested
2247         function.  Reset undef_nested_function at the end of a top-level
2248         function.
2249
2250 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2251
2252         * tree.c (build_int_cst_type): Take sign of the value into account
2253         when deciding whether sign extend the value.
2254
2255 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2256
2257         PR c/18502
2258         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2259         (cpp_options, cc1_options): Change %{std*&ansi} to
2260         %{std*&ansi&trigraphs}.
2261
2262 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2263
2264         * cse.c: Update comments.
2265
2266 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2267
2268         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2269         arguments go on the stack.  Do not put complex doubles in odd/even
2270         pairs.
2271
2272 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2273
2274         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2275         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2276         -ftree-pre, and -fthread-jumps.
2277
2278 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2279
2280         PR tree-optimization/19578
2281         * tree-flow.h (modified_noreturn_calls): Declare.
2282         (noreturn_call_p): Declare.
2283         * tree-flow-inline.h (noreturn_call_p): New function.
2284         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2285         * tree-cfg.c (modified_noreturn_calls): New variable.
2286         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2287         that contain a mid-block noreturn call.
2288         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2289
2290 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2291
2292         * df.c (df_def_record_1, df_uses_record): Don't use
2293         DF_FOR_REGALLOC.
2294         * df.h (DF_FOR_REGALLOC): Remove.
2295
2296 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2297
2298         PR c/19435
2299         * c-typeck.c (really_start_incremental_init): Reset
2300         constructor_max_index for arrays of incomplete type.
2301
2302 2005-02-02  Jeff Law  <law@redhat.com>
2303
2304         * gcse.c (struct reg_set): Store the block index where the register
2305         was set rather than the setting insn.
2306         (record_one_set, compute_transp): Corresponding changes.
2307         (pre_insert_copy_insn): Do not call replace_one_set.
2308         (replace_one_set): Remove.
2309
2310 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2311
2312         PR other/15514
2313         * doc/gcov.texi: Fix typo.
2314
2315 2005-02-01  Richard Henderson  <rth@redhat.com
2316
2317         PR target/19680
2318         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2319         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2320         type to bool.
2321         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2322         * config/i386/i386-protos.h: Update.
2323
2324 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2325
2326         PR tree-optimization/19217
2327         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2328         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2329         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2330         that it is walking a PHI node.
2331
2332 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2333
2334         * doc/extend.texi (Nested Functions): Update.
2335
2336 2005-02-01  Richard Henderson  <rth@redhat.com>
2337
2338         PR 19696
2339         * optabs.c (expand_copysign_absneg): Export.
2340         * optabs.h (expand_copysign_absneg): Declare.
2341         * config/rs6000/rs6000.md (copysigntf3): New.
2342
2343 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2344
2345         PR tree-optimization/19633
2346         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2347         * tree-ssa-alias.c (init_alias_info): Initialize.
2348         (merge_pointed_to_info): Set.
2349         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2350         (dump_points_to_info_for): Show value of pt_null.
2351         (struct count_ptr_d): Declare.
2352         (find_ptr_dereference): Remove.
2353         (ptr_is_dereferenced_by): Remove.
2354         (count_ptr_derefs): New local function.
2355         (count_uses_and_derefs): New local function.
2356         (compute_points_to_and_addr_escape): Call it.  If the number
2357         of dereferences is greater than zero, mark the pointer as
2358         dereferenced.  If there are fewer dereferences than uses of
2359         the pointer, the pointer's value escapes.
2360
2361 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2362
2363         PR tree-optimization/19670
2364         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2365         here...
2366         (verify_use): ... set it here, instead.
2367
2368 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2369
2370         * doc/sourcebuild.texi (Test directives): Fix formatting.
2371
2372         * doc/sourcebuild.texi (Test directives): Describe selector
2373         expressions.
2374
2375 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2376
2377         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2378         specific 64-bit CPUs.
2379
2380 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2381
2382         PR target/16201
2383         * arm.c (arm_eliminable_register): New function.
2384         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2385         HOST_WIDE_INT for address offsets.
2386         * arm-protos.h (arm_eliminable_register): Add prototype.
2387
2388 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2389
2390         PR optimization/15242
2391         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2392         * basic-block.h (duplicate_computed_gotos): Add prototype.
2393         * bb-reorder.c (duplicate_computed_gotos): New function to
2394         duplicate sufficiently small blocks ending in a computed jump.
2395         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2396         if not optimizing for size.
2397         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2398         never do tail merging for blocks ending in a computed jump.
2399         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2400
2401 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2402
2403         Patch from Richard Sandiford <rsandifo@redhat.com>
2404         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2405         from inheriting a subreg equivalence with a non-spill register.
2406
2407         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2408
2409 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2410
2411         * config/frv/frv.c (movcc_fp_destination_operand): New.
2412         (gpr_or_memory_operand): Fix typo in comment.
2413         (gpr_or_memory_operand_with_scratch): New.
2414         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2415         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2416         movcc_fp_destination_operand.
2417         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2418         Legitimize memory addresses using a scratch register.
2419
2420 2005-01-31  Jeff Law  <law@redhat.com>
2421
2422         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2423         bitmap a sparse bitmap instead of a simple bitmap.
2424         (mark_def_sites_initialize_block):  Corresponding changes.
2425         (ssa_mark_def_sites_initialize_block): Likewise.
2426         (ssa_mark_phi_uses): Likewise.
2427         (mark_def_site, ssa_mark_def_sites): Likewise.
2428         (mark_def_site_blocks): Likewise.
2429         (rewrite_ssa_into_ssa): Likewise.
2430
2431         * tree-ssa-dom.c (record_cond): Pass correct variable type
2432         for last argument to htab_find_slot_with_hash.
2433
2434         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2435         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2436
2437 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2438
2439         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2440         1_mmalua.
2441
2442 2005-02-01  Eric Christopher  <echristo@redhat.com>
2443
2444         * config/mips/mips.c (override_options): Warn if -mint64
2445         is used.
2446         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2447         deprecated.
2448
2449 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2450
2451         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2452         timestamp.
2453         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2454         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2455         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2456         (cached_regno): Initialize to INVALID_REGNUM.
2457         (cse_reg_info_table_size,
2458         cse_reg_info_table_first_uninitialized,
2459         cse_reg_info_timestamp): New.
2460         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2461         get_cse_reg_info.
2462         (init_cse_reg_info, get_cse_reg_info_1): New.
2463         (get_cse_reg_info): Cache the last look-up.
2464         (new_basic_block): Update the code to clear mappings from
2465         registers to cse_reg_info entries.
2466         (cse_main): Call init_cse_reg_info.
2467
2468         * cse.c (get_cse_reg_info): Update a comment.
2469
2470 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2471
2472         PR c/19333
2473         * c-decl.c (start_decl): Do not warn about arrays of elements with
2474         an incomplete type here.
2475         (grokdeclarator): Do it here by making a pedwarn an error.
2476         * c-typeck.c (push_init_level): If there were previous errors with
2477         the constructor type, do not warn about braces for initializers.
2478         (process_init_element): Likewise for excess initializer elements.
2479
2480 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2481
2482         * cse.c (delete_trivially_dead_insn): Don't iterate.
2483
2484 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2485
2486         * config/rs6000/rs6000.md (copysignsf3): New expand.
2487         (copysigndf3): Likewise.
2488
2489 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2490
2491         * recog.c (constrain_operands): Only look for earlyclobber operand
2492         conflicts if an '&' constraint was seen.
2493
2494 2005-01-31  Marc Espie <espie@openbsd.org>
2495
2496         * config.gcc: Don't include embedded systems fragment, switches default
2497         debugging format to ELF.
2498         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2499         longer pick it up there.
2500
2501 2005-01-31  Dale Johannesen  <dalej@apple.com>
2502
2503         * doc/extend.texi (nested functions): Fix linkage description.
2504         Clarify that static is not allowed.
2505
2506 2005-01-31  Dale Johannesen  <dalej@apple.com>
2507
2508         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2509         (movdf_low_di):  Make work.
2510
2511 2005-01-31  Dale Johannesen  <dalej@apple.com>
2512
2513         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2514         Make work for 64 bit.
2515
2516 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2517             Dale Johannesen  <dalej@apple.com>
2518
2519         PR middle-end/19650
2520         * fold-const.c (fold_binary_op_with_conditional_arg):
2521         Make types match original operands, before STRIP_NOPS.
2522
2523 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2524
2525         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2526         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2527         (struct gcc_sigcontext): Delete.  Merge contents to..
2528         (struct gcc_ucontext): ..here.
2529         (get_sigcontext): Delete.
2530         (get_regs): New function, like get_sigcontext but return regs ptr.
2531         64-bit version finds regs from r1 to support vdso.
2532         (ppc_linux_aux_vector): New function.
2533         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2534         and vector regs.
2535
2536 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2537
2538         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2539         sizetype.
2540         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2541         redundant fold. Fix misalignment for MINUS_EXPR.
2542         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2543         (vect_analyze_pointer_ref_access): Likewise.
2544         (vect_get_memtag_and_dr): Likewise.
2545
2546 2005-01-31  Richard Henderson  <rth@redhat.com>
2547
2548         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2549         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2550         absnegdf2_i387, absnegxf2_i387): Likewise.
2551
2552 2005-01-31  Richard Henderson  <rth@redhat.com>
2553
2554         PR 19696
2555         * optabs.c (expand_copysign_absneg): New.
2556         (expand_copysign_bit): Split out from ...
2557         (expand_copysign): ... here.  Use expand_copysign_absneg.
2558
2559 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2560
2561         PR middle-end/19697
2562         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2563         constant as the second operand and a register as the third.
2564
2565 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2566
2567         PR target/19704
2568         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2569         that dllimport'd functions do not use all call-clobbered registers
2570         to pass parameters.
2571
2572 2005-01-30  Richard Henderson  <rth@redhat.com>
2573
2574         PR 19696
2575         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2576         expand_abs_nojump and generalize.  Use operand_subword and
2577         emit_no_conflict_block.  Support large modes.
2578         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2579         back to maximum.
2580         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2581         negation to subtraction.
2582         (expand_copysign): Check that the format has signed zeros.
2583         Use operand_subword and emit_no_conflict_block.  Support large modes.
2584
2585 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2586
2587         Fix PR tree-optimization/19624
2588
2589         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2590         * tree-ssa-pre.c: Add cfgloop.h.
2591         Update comment.
2592         (pre_stats): New member, constified.
2593         (inserted_exprs): New static variable.
2594         (NECESSARY): New macro.
2595         (create_expression_by_pieces): Fold the expression, and
2596         mark it as defaulting to not necessary. Also put in
2597         inserted_exprs.
2598         (fully_constant_expression): New function.
2599         (insert_into_preds_of_block): Modify to not insert phis when we
2600         are playing with induction variables.
2601         Push phis onto the inserted_exprs vector, and mark them as not
2602         necessary by default.
2603         (insert_aux): Call fully_constant_expression on eprime.
2604         If all edges produce the same value, mark it constant.
2605         (mark_operand_necessary): New function.
2606         (remove_dead_inserted_code): New function.
2607         (init_pre): Init loop optimizer to get loop info.
2608         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2609         (execute_pre): Commit edge inserts, then remove dead code.
2610
2611 2005-01-30  Richard Henderson  <rth@redhat.com>
2612
2613         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2614         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2615
2616 2005-01-30  Richard Henderson  <rth@redhat.com>
2617
2618         PR target/19700
2619         * config/i386/i386.c (ix86_expand_copysign): New.
2620         (ix86_split_copysign_const): New.
2621         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2622         rearrange op1/nmask operands.
2623         * config/i386/i386-protos.h: Update.
2624         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2625         (copysigndf3): Likewise.
2626         (copysignsf3_const, copysigndf3_const): New.
2627         (copysignsf3_var): Rename from copysignsf3, split out splitter
2628         and fix split predicate for X constraint.
2629         (copysigndf3_var): Similarly.
2630
2631 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2632
2633         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2634         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2635         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2636
2637 2005-01-29  Richard Henderson  <rth@redhat.com>
2638
2639         PR target/19690
2640         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2641         of # and * in constraints.
2642
2643 2005-01-29  Richard Henderson  <rth@redhat.com>
2644
2645         PR middle-end/19689
2646         * expr.c (store_field): Don't strip sub-mode cast when the input
2647         data is even smaller.
2648
2649 2005-01-29  Richard Henderson  <rth@redhat.com>
2650
2651         PR middle-end/19687
2652         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2653         union being empty.
2654
2655 2005-01-29  Richard Henderson  <rth@redhat.com>
2656
2657         * combine.c (make_field_assignment): Fix argument order
2658         to gen_int_mode.
2659
2660 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2661
2662         PR tree-optimization/15791
2663         * fold-const.c (extract_array_ref): New function.
2664         (fold): Fold comparisons between &a[i] and &a[j] or
2665         semantically equivalent trees.
2666
2667 2005-01-29  Jeff Law  <law@redhat.com>
2668
2669         * gcse.c (insert_expr_in_table): Revamp handling of available
2670         and anticipatable occurrence lists to avoid unnecessary list
2671         walking.
2672         (insert_set_in_table): Similarly.
2673
2674 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2675
2676         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2677         build string type.
2678         (c_build_qualified_type): Build qualified array types with
2679         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2680         * c-decl.c (c_make_fname_decl): Build unqualified array type
2681         before qualified type.
2682         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2683         type is qualified, not just if type itself is.  Don't apply
2684         qualifiers to array type when declarator is processed.  Apply
2685         qualifiers to field type whether or not it is an array type.
2686         Don't handle array types specially for applying qualifiers to
2687         variables.
2688         * c-typeck.c (composite_type): Build unqualified element type and
2689         array type when forming composite of array types.
2690         (common_pointer_type, comptypes, comp_target_types,
2691         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2692         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2693         types.
2694         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2695         (args2) in variables a1 and a2.
2696
2697 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2698
2699         * cse.c (n_elements_made, max_elements_made): Remove.
2700         (insert): Don't touch n_elements_made.
2701         (cse_main): Don't touch n_elements_made or max_elements_made.
2702
2703 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2704
2705         PR target/15384
2706         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2707         configuration part of dp-bit.c to be lost.
2708
2709 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2710
2711         * expmed.c (expand_mult_highpart_optab): When attempting to use
2712         a non-widening multiplication in a wider mode, the operands need
2713         to be converted (zero or sign extended) to that mode.
2714
2715 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2716
2717         PR middle-end/16558
2718         PR middle-end/19583
2719         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2720         through if both operands fall through.
2721
2722 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2723
2724         * cse.c (fold_rtx) <PC>: Don't optimize.
2725
2726 2005-01-28  Jeff Law  <law@redhat.com>
2727
2728         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2729         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2730
2731 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2732
2733         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2734         cse_reg_info_used_list_end): Remove.
2735         (cse_reg_info_list, cse_reg_info_list_free): New.
2736         (get_cse_reg_info): When allocating an instance of
2737         cse_reg_info, add it to the beginning of the cse_reg_info_list
2738         list.  Remove code to maintain cse_reg_info_used_list.
2739         (new_basic_block): Reset the free list to the beginning of
2740         cse_reg_info_list.
2741
2742 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2743
2744         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2745         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2746         (frv_expand_mdpackh_builtin): New function.
2747         (frv_expand_builtin): Use it to expand __MDPACKH.
2748         * doc/extend.texi (__MDPACKH): Update documentation.
2749
2750 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2751
2752         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2753         SSE_FLOAT_MODE_P for use_sse computation.
2754
2755 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2756
2757         PR target/19663
2758         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2759
2760 2005-01-27  Richard Henderson  <rth@redhat.com>
2761
2762         * builtins.c (expand_builtin_copysign): New.
2763         (expand_builtin): Call it.
2764         * genopinit.c (optabs): Add copysign_optab.
2765         * optabs.c (init_optabs): Initialize it.
2766         (expand_copysign): New.
2767         * optabs.h (OTI_copysign, copysign_optab): New.
2768         (expand_copysign): Declare.
2769
2770         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2771         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2772
2773         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2774         (ix86_expand_fp_absneg_operator): ... here.
2775         (ix86_split_copysign): New.
2776         * config/i386/i386-protos.h: Update.
2777         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2778         (copysignsf3, copysigndf3): New.
2779
2780         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2781         (copysignsf3, ncopysignsf3): New.
2782         (copysigndf3, ncopysigndf3): New.
2783         (copysignxf3, ncopysignxf3): New.
2784         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2785
2786 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2787             Kazu Hirata  <kazu@cs.umass.edu>
2788
2789         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2790         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2791         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2792         NULL_RTX.
2793
2794 2005-01-27  Jeff Law  <law@redhat.com>
2795
2796         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2797         definitions of SSA_NAMEs which are not being rewritten.
2798         (rewrite_ssa_into_ssa): Only initialize the current definition
2799         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2800         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2801         SSA_NAMEs before returning.
2802
2803 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2804
2805         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2806         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2807         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2808         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2809         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2810
2811 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2812
2813         PR middle-end/17278
2814         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2815         higher to -O2 and higher.  Likewise for tree PRE.
2816         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2817         and better.
2818
2819 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2820
2821         PR middle-end/19583
2822         * gimple-low.c (try_catch_may_fallthru): New static function.
2823         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2824         * tree-inline.c (expand_call_inline): Don't warn about reaching
2825         the end of a non-void function being inlined if the function uses
2826         a return slot.
2827
2828 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2829
2830         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2831
2832         PR c/18946
2833         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2834         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2835         (implicitly_declare): Handle error_mark_node.
2836
2837 2005-01-27  Richard Henderson  <rth@redhat.com>
2838
2839         PR tree-opt/14329
2840         * tree.h (struct tree_decl): Add debug_expr_is_from.
2841         (DECL_DEBUG_EXPR_IS_FROM): New.
2842         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2843         * dwarf2out.c (dwarf2out_var_location): Update to match.
2844         * tree-outof-ssa.c (create_temp): Likewise.
2845         * var-tracking.c (track_expr_p): Likewise.
2846         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2847         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2848         * toplev.c (default_tree_printer): Likewise.
2849
2850 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2851
2852         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2853         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2854
2855 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2856
2857         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2858         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2859         ASM_CLOBBERS): Add tree checks.
2860
2861         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2862         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2863         * c-common.def (SWITCH_STMT): Update to match.
2864         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2865         macros instead of SWITCH_EXPR ones.
2866         * c-dump.c (c_dump_tree): Likewise.
2867         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2868         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2869
2870         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2871
2872 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2873
2874         * unwind-dw2.c (execute_stack_op): Add missing cases for
2875         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2876
2877 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2878
2879         * config.gcc (Obsolete configurations): Remove 'dummy', add
2880         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2881         sparc-*-openbsd*.
2882
2883 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2884
2885         PR tree-optimization/19633
2886         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2887         CALL_EXPRs.
2888         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2889         are no call-clobbered variables.
2890         * tree-outof-ssa.c (check_replaceable): Return false for calls
2891         with side-effects.
2892
2893 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2894
2895         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2896         even for variables with NULL DECL_INITIAL.
2897
2898 2005-01-26  Stuart Hastings  <stuart@apple.com>
2899
2900         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2901
2902 2005-01-26  Richard Henderson  <rth@redhat.com>
2903
2904         PR middle-end/18008
2905         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2906         field's type.
2907         * expr.c (store_field): Strip conversions to odd-bit-sized types
2908         if the destination field width matches.
2909
2910 2005-01-26  Richard Henderson  <rth@redhat.com>
2911
2912         * c-decl.c, expmed.c, expr.c: Revert last change.
2913
2914 2005-01-26  Richard Henderson  <rth@redhat.com>
2915
2916         PR middle-end/18008
2917         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2918         field's type.
2919         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2920         if we don't need the bits above those present in the current mode.
2921         * expr.c (store_field): Strip conversions to odd-bit-sized types
2922         if the destination field width matches.
2923
2924 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2925
2926         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2927         either -ffast-math or -funsafe-math-optimizations is in use.
2928
2929 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2930
2931         PR target/19293
2932         PR target/19329
2933         * config/avr/avr.c (notice_update_cc): Only set condition code for
2934         ashrqi3 if shift count > 0.
2935         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2936         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2937         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2938         count <= 0 as a no-op, and shift count >= width by copying zero
2939         or sign bit to all bits of the result.
2940         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2941         count, with attribute "length" set to 0 and "cc" set to "none".
2942
2943 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2944
2945         * doc/invoke.texi: Document -mTLS.
2946
2947         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2948         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2949         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2950         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2951         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2952         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2953         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2954         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2955
2956         * configure.ac: Check for a TLS capable gas.
2957
2958         * configure: Regenerate.
2959
2960 2005-01-26  Richard Henderson  <rth@redhat.com>
2961
2962         PR middle-end/18008
2963         * combine.c (make_field_assignment): Simplify store to zero_extract
2964         from a source with an overlapping mask.
2965
2966 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2967
2968         2004-11-11  Eric Christopher  <echristo@redhat.com>
2969
2970         * config/frv/frv.md: Add fr400_integer automaton. Don't
2971         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2972         to TYPE_MACC.
2973
2974 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2975
2976         PR middle-end/16585
2977         * cfgbuild.c (make_edges): Do not clear or set
2978         current_function_has_computed_jump.
2979         * function.h (struct function): Remove the has_computed_jump field.
2980         (current_function_has_computed_jump): Do not define.
2981         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2982         in a computed jump.  Ignore current_function_has_computed_jump.
2983
2984 2005-01-26  Richard Henderson  <rth@redhat.com>
2985
2986         PR middle-end/19515
2987         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2988         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2989         fully initialized.
2990         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2991         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2992         objects into static storage if they have more than one non-zero value.
2993         * tree.h (categorize_ctor_elements): Update decl.
2994
2995 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2996
2997         PR middle-end/19616
2998         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2999         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3000         to this function from 2004-07-10.
3001         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3002         the current function for tail call optimizations if the address
3003         of one of it its arguments is taken.
3004
3005 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3006
3007         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3008
3009 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3010
3011         * function.c (expand_function_end): If current_function_calls_alloca,
3012         emit stack restore in a place that is reached when the function falls
3013         through at the end.
3014
3015 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3016
3017         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3018         rule to avoid matching inappropriate suffix rule.
3019
3020 2005-01-26  Jan Hubicka  <jh@suse.cz>
3021
3022         PR tree-optimization/19241
3023         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3024
3025 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3026
3027         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3028         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3029         of doubling.
3030         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3031         <sim*>: Always use crt1.o, regardless of N in simN.
3032         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3033         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3034         (CRT_CALL_STATIC_FUNCTION): Remove.
3035         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3036         use crt1.o, regardless of N in simN.
3037         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3038         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3039         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3040         case isystem setting.
3041         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3042
3043 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3044
3045         * gimple-low.c (block_may_fallthru): Correct handling of
3046         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3047
3048 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3049
3050         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3051         handlers to match indentation; nested under the mtune=* handler.
3052         Similar for mcpu= and march=.
3053
3054 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3055
3056         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3057         * config/mips/linux64.h (LIB_SPEC): Likewise.
3058         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3059         * config/sh/linux.h (LIB_SPEC): Likewise.
3060
3061 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3062
3063         * config/frv/frv.c (frv_legitimize_tls_address): New.
3064         (TARGET_HAVE_TLS): Define.
3065         (FRV_SYMBOL_REF_TLS_P): Define.
3066         (frv_override_options): Handle new register classes.
3067         (frv_legitimate_address_p): Reject tls addresses.
3068         (frv_legitimize_address): Handle TLS addresses.
3069         (gen_inlined_tls_plt): New.
3070         (gen_tlsmoff): New.
3071         (frv_legitimize_tls_address): New.
3072         (unspec_got_name): Add TLS entries.
3073         (got12_operand): Add R_FRV_TLSMOFF12 case.
3074         (frv_emit_move): Fixup TLS addresses.
3075         (frv_emit_movsi): Legitimize TLS addresses.
3076
3077         * config/frv/frv.h (MASK_BIG_TLS): New.
3078         (TARGET_BIG_TLS): New.
3079         (HAVE_AS_TLS): Define.
3080         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3081         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3082         (REG_CLASS_NAMES): Same.
3083         (REG_CLASS_CONTENTS): Same.
3084         (CONSTRAINT_LEN): New.
3085         (REG_CLASS_FROM_CONSTRAINT): New.
3086         (PREDICATE_CODES): Add symbolic_operand.
3087
3088         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3089         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3090         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3091         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3092         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3093         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3094         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3095         GR9_REG, GR14_REG, LRREG.
3096         (type): Add load_or_call attribute.
3097         ("load_or_call"): New reservation.
3098         ("call_gettlsoff"): New.
3099         ("tls_indirect_call"): New.
3100         ("tls_load_gottlsoff12"): New.
3101         ("tlsoff_hilo"): New.
3102         ("tls_tlsdesc_ldd"): New.
3103         ("tls_tlsoff_ld"): New.
3104         ("tls_lddi"): New.
3105
3106         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3107
3108         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3109
3110         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3111         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3112         * config/frv/frv.c (TLS_BIAS): Define.
3113         (frv_output_dwarf_dtprel): New.
3114
3115 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR rtl-optimization/19579
3118         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3119         both A and B, see if they don't clobber registers the other expr uses.
3120
3121 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3122
3123         * real.c (do_add): Initialize signalling and canonical members.
3124
3125         * real.c (real_from_integer): Zero out destination.
3126
3127 2005-01-18  Jan Hubicka  <jh@suse.cz>
3128
3129         PR tree-optimize/19337
3130         * tree-inline.c (initialize_inlined_parameters): Copy
3131         saved_static_chain_decl only.
3132
3133 2005-01-25  Richard Henderson  <rth@redhat.com>
3134
3135         PR target/19556
3136         PR target/19584
3137         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3138         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3139         80387 enabled, to return a proper subclass.  Return the subset that
3140         overlaps with GENERAL_REGS for PLUS.
3141         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3142
3143 2005-01-25  Richard Henderson  <rth@redhat.com>
3144
3145         PR middle-end/19609
3146         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3147
3148 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3149
3150         * expmed.c (choose_multiplier): Change interface to return the
3151         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3152         (expand_divmod): Update calls to choose_multiplier.
3153
3154 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3155
3156         PR middle-end/19330
3157         * expmed.c (extract_bit_field): Use adjust_address instead of
3158         gen_lowpart when op0 is a MEM.
3159
3160 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3161
3162         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3163
3164 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3165
3166         * config/mips/irix-csr.c: New file.
3167         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3168         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3169         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3170         executables.
3171
3172 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3173
3174         PR bootstrap/19364
3175         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3176         sparc/elf.h, add sparc/sp-elf.h.
3177         (sparc-*-rtems*): Likewise.
3178         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3179         tm-dwarf2.h, add sparc/sp-elf.h.
3180         (sparc86x-*-elf): Likewise.
3181         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3182         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3183         TARGET_OS_CPP_BUILTINS.
3184         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3185         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3186         Undefine it.
3187         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3188         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3189         (SWITCH_TAKES_ARG): Likewise.
3190         (LOCAL_LABEL_PREFIX): Likewise.
3191         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3192         (TARGET_N_FORMAT_TYPES): Delete.
3193         (TARGET_FORMAT_TYPES): Likewise.
3194         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3195         * config/sparc/elf.h: Delete.
3196         * config/sparc/sp-elf.h: New file.
3197
3198 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3199
3200         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3201         * tree-flow.h: Remove the corresponding prototype.
3202         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3203         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3204
3205 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR target/17751
3208         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3209         for AIX ABI or ELF -fPIC.
3210         (rs6000_emit_load_toc_table): Don't create toc_section here.
3211         (rs6000_xcoff_file_start): Nor here.
3212
3213 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3214
3215         * sh.c (ra.h): Don't #include.
3216         (hard_regs_intersect_p): New function, resurrected from ra.c.
3217
3218         * sh.c: Fix 1996 Copyright.
3219
3220 2005-01-24  Richard Henderson  <rth@redhat.com>
3221             Aldy Hernandez  <aldyh@redhat.com>
3222
3223         * regrename.c (note_sets): Handle subregs.
3224
3225 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3226
3227         PR bootstrap/18058
3228         * genconditions.c (write_header, write_conditions): Elide file if
3229         not GCC >= 3.0.1.
3230
3231 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3232
3233         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3234         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3235         Update copyright.
3236
3237 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3238
3239         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3240         expand_builtin_printf, expand_builtin_fprintf,
3241         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3242         checking against POINTER_TYPE.
3243         (validate_arglist): Handle POINTER_TYPE code by checking
3244         POINTER_TYPE_P.
3245
3246 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3247
3248         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3249         init_rtlanal): New.
3250         (for_each_rtx): Call for_each_rtx_1.
3251         * rtl.h (init_rtlanal): Declare.
3252         * toplev.c (backend_init): Call init_rtlanal.
3253
3254 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3255
3256         * flow.c (propagate_one_insn): Formatting.
3257
3258         PR middle-end/19551
3259         * flow.c (libcall_dead_p): Be more conservative if unsure.
3260         If there are any instructions between insn and call, see if they are
3261         all dead before saying the libcall is dead.
3262
3263 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3264
3265         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3266         operand constraint for operand 0.
3267
3268 2005-01-23  Richard Henderson  <rth@redhat.com>
3269
3270         PR 19486
3271         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3272         edges leading to join block.
3273
3274 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3275
3276         * expmed.c (expand_mult_highpart): Make static.  Change type of
3277         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3278         (expand_divmod): Updates calls to expand_mult_highpart by using
3279         gen_int_mode to pass a CONST_INT rtx.
3280         * rtl.h (expand_mult_highpart): Remove prototype.
3281
3282 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3283
3284         * flow.c (regset_bytes, regset_size): Remove.
3285
3286         * cfganal.c: Fix a reference to Harvey's paper.
3287
3288 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3289
3290         PR rtl-optimization/19464
3291         * tree-optimize.c (init_tree_optimization_passes): Add one more
3292         copyrename pass just before out-of-ssa.
3293
3294 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3295
3296         PR bootstrap/18058
3297         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3298         * ggc-none.c (ggc_free): Define.
3299
3300 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3301
3302         * cse.c (max_reg, max_insn_uid): Remove.
3303         (cse_main): Don't access max_reg or max_insn_uid.
3304
3305         * c-common.c (explicit_flag_signed_bitfields,
3306         lang_statement_code_p, lang_expand_function_end): Remove.
3307         * c-common.h: Remove the corresponding declarations.
3308         * c-opts.c (c_common_handle_option): Remove all write access
3309         to explicit_flag_signed_bitfields.
3310
3311         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3312         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3313         * cgraph.h: Remove the corresponding declaration.
3314
3315         * gcse.c (null_pointer_info): Remove.
3316
3317 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3318             Eric Botcazou  <ebotcazou@libertysurf.fr>
3319
3320         * combine.c (simplify_logical): Only simplify logical expressions
3321         of the form ior(and(x,y),z) by the inverse distributive law if the
3322         result is cheaper than the original.
3323
3324 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3325
3326         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3327         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3328         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3329         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3330         config/freebsd-spec.h, config/arm/arm.h,
3331         config/h8300/h8300.md, config/i386/i386.md,
3332         config/i386/predicates.md, config/i386/sse.md,
3333         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3334         config/vax/vax.md: Fix comment typos.  Follow spelling
3335         conventions.
3336
3337 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3338
3339         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3340         tests, instead of `less than'.
3341
3342 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3343
3344         * function.c (assign_parm_setup_block): When creating a new stack slot
3345         for a parameter, get its alignment from the parameter's DECL_ALIGN
3346         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3347         is at least word aligned.
3348
3349 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3350
3351         PR middle-end/19378
3352         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3353
3354 2005-01-22  Richard Henderson  <rth@redhat.com>
3355
3356         PR target/19506
3357         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3358         in both compare operands.
3359         (movdfcc_1_sse_max): Likewise.
3360         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3361         (movdfcc_1_sse): Likewise.
3362         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3363         scratch register as needed.
3364
3365 2005-01-22  Richard Henderson  <rth@redhat.com>
3366
3367         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3368
3369         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3370
3371 2005-01-22  Richard Henderson  <rth@redhat.com>
3372
3373         * genopinit.c (optabs): Use smin/smax for floating point too.
3374         * doc/md.texi: Update to match.  Clarify that floating point
3375         results are undefined for +0/-0 and NaN.
3376         * doc/rtl.texi: Likewise.
3377         * rtl.def (SMIN, SMAX): Likewise
3378         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3379
3380         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3381         leading 's' to the name.
3382         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3383         smaxxf3, sminxf3): Likewise.
3384         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3385         Likewise.
3386
3387 2005-01-22  Paul Brook  <paul@codesourcery.com>
3388
3389         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3390
3391 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3392
3393         * config/s390/s390.c (struct processor_costs): New fields
3394         dlgr, dlr, dr, dsgfr, dsgr.
3395         (z900_cost, z990_cost): Values for new fields.
3396         (s390_rtx_costs): New cases MEM und COMPARE in switch
3397         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3398         DIV, MOD, UDIV, UMOD.
3399
3400 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3401
3402         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3403         into the register being decremented.
3404         ("doloop_si31", "doloop_di"): Likewise.
3405         ("*doloop_si_long"): Adapt pattern.
3406
3407 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3408
3409         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3410         access registers.
3411         (CLASS_MAX_NREGS): Likewise.
3412
3413 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3414
3415         * doc/tree-ssa.texi (Statement Operands): Add example for new
3416         must-def macro. Note deprecation of old operands interface.
3417
3418 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3419
3420         PR tree-optimization/19484
3421         * tree-cfg.c (remove_fallthru_edge): New function.
3422         (cleanup_control_flow): Remove fallthru edges from calls that are
3423         now known not to return.
3424
3425 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3426
3427         Fix PR tree-optimization/19038
3428         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3429         copies with loop variant ones.
3430
3431 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3432
3433         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3434         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3435         config/alpha/alpha.md, config/alpha/predicates.md,
3436         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3437         config/sparc/sol2.h: Update copyright.
3438
3439         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3440         first label to see if it is a nonlocal label.
3441
3442 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3443             Andrew Pinski  <pinskia@physics.uc.edu>
3444
3445         PR target/19491
3446         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3447         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3448
3449 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3450
3451         * config/rs6000/rtems.h: Update copyright.
3452
3453 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3454
3455         PR target/19548
3456         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3457         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3458         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3459
3460 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3461
3462         PR c/18809
3463         * c-typeck.c (convert_arguments): Check for error_mark_node.
3464
3465 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3466
3467         PR tree-optimization/13000
3468         * tree-inline.c: Include "tree-flow.h".
3469         (expand_call_inline): If warn_return_type, warn if non-void inline
3470         function falls through.
3471         * tree-cfg.c (execute_warn_function_return): Don't warn about
3472         control reaching end if TREE_NO_WARNING is set.  Set
3473         TREE_NO_WARNING.
3474         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3475         has been lowered.
3476         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else