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* config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2
3         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
4         Don't undefine here.
5         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
6         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
9         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
10         Delete.
11         * config.gcc (sh*-*-linux*): Use config/linux.h.
12
13 2005-02-28  Dale Johannesen  <dalej@apple.com>
14             Stan Shebs  <shebs@apple.com>
15
16         Rewrite of 64-bit Darwin structure-by-value pass/return.
17         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
18         intoffset, use_stack, named.
19         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
20         (rs6000_darwin64_record_arg_advance_flush):  New.
21         (rs6000_darwin64_record_arg_advance_recurse): New.
22         (rs6000_darwin64_record_arg_flush):  New.
23         (rs6000_darwin64_record_arg_recurse):  New.
24         (rs6000_darwin64_record_arg):  New.
25         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
26         (function_arg_boundary):  Handle 128-bit aligned structs.
27         (function_arg_advance):  Rewrite darwin64 struct handling.
28         (function_arg):  Call rs6000_darwin64_record_arg.
29         (function_arg_partial_nregs):  Handle darwin64 structs.
30         (rs6000_darwin64_function_value):  Remove.
31         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
32
33 2005-02-28  Roger Sayle  <roger@eyesopen.com>
34
35         PR tree-optimization/20216
36         * tree-chrec.c (tree_fold_factorial): Delete.
37         (tree_fold_binomial): Change argument list to take a return type
38         and change the type of K to unsigned int.  Rewrite to avoid explicit
39         evaluation of factorials, and (recursively) calling fold to perform
40         compile-time arithmetic.  Return NULL on (internal) overflow.
41         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
42         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
43         if any intermediate calculation overflows.
44         (chrec_apply): Update call to chrec_evaluate.
45
46 2005-02-28  James E Wilson  <wilson@specifixinc.com>
47
48         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
49
50 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
51
52         PR c/20245
53         * c-parser.c (c_parser_compound_statement): Return error_mark_node
54         instead of NULL_TREE on error.
55
56 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
57
58         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
59         (EASY_VECTOR_15_ADD_SELF): Remove.
60         (num_insns_constant_wide): Not static.
61         (validate_condition_mode): Not static.
62         (toc_relative_expr_p): Not static.
63         (legitimate_indirect_address_p): Not static.
64         (macho_lo_sum_memory_operand): Not static.
65         (invalid_e500_subreg): Not static.
66         (easy_vector_same): Not static.
67         (easy_vector_splat_const): Not static.
68         (RS6000_SYMBOL_REF_TLS_P): Remove.
69         (any_operand): Delete.
70         (any_parallel_operand): Delete.
71         (count_register_operand): Delete.
72         (altivec_register_operand): Delete.
73         (xer_operand): Delete.
74         (s8bit_cint_operand): Delete.
75         (short_cint_operand): Delete.
76         (u_short_cint_operand): Delete.
77         (non_short_cint_operand): Delete.
78         (exact_log2_cint_operand): Delete.
79         (gpc_reg_operand): Delete.
80         (cc_reg_operand): Delete.
81         (cc_reg_not_cr0_operand): Delete.
82         (reg_or_short_operand): Delete.
83         (reg_or_neg_short_operand): Delete.
84         (reg_or_aligned_short_operand): Delete.
85         (reg_or_u_short_operand): Delete.
86         (reg_or_cint_operand): Delete.
87         (reg_or_arith_cint_operand): Delete.
88         (reg_or_add_cint64_operand): Delete.
89         (reg_or_sub_cint64_operand): Delete.
90         (reg_or_logical_cint_operand): Delete.
91         (got_operand): Delete.
92         (got_no_const_operand): Delete.
93         (easy_fp_constant): Delete.
94         (easy_vector_constant): Delete.
95         (easy_vector_constant_add_self): Delete.
96         (zero_constant): Delete.
97         (zero_fp_constant): Delete.
98         (volatile_mem_operand): Delete.
99         (offsettable_mem_operand): Delete.
100         (mem_or_easy_const_operand): Delete.
101         (add_operand): Delete.
102         (non_add_cint_operand): Delete.
103         (logical_operand): Delete.
104         (non_logical_cint_operand): Delete.
105         (mask_operand): Delete.
106         (mask_operand_wrap): Delete.
107         (mask64_operand): Delete.
108         (mask64_2_operand): Delete.
109         (and64_operand): Delete.
110         (and64_2_operand): Delete.
111         (and_operand): Delete.
112         (reg_or_mem_operand): Delete.
113         (lwa_operand): Delete.
114         (symbol_ref_operand): Delete.
115         (call_operand): Delete.
116         (current_file_function_operand): Delete.
117         (input_operand): Delete.
118         (rs6000_nonimmediate_operand): Delete.
119         (rs6000_tls_symbol_ref): Delete.
120         (save_world_operation): Delete.
121         (restore_world_operation): Delete.
122         (load_multiple_operation): Delete.
123         (store_multiple_operation): Delete.
124         (vrsave_operation): Delete.
125         (mfcr_operation): Delete.
126         (mtcrf_operation): Delete.
127         (lmw_operation): Delete.
128         (stmw_operation): Delete.
129         (branch_comparison_operator): Delete.
130         (branch_positive_comparison_operator): Delete.
131         (scc_comparison_operator): Delete.
132         (trap_comparison_operator): Delete.
133         (boolean_operator): Delete.
134         (boolean_or_operator): Delete.
135         (min_max_operator): Delete.
136         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
137         (EASY_VECTOR_15): Moved to here.
138         (EASY_VECTOR_15_ADD_SELF): Move to here.
139         (PREDICATE_CODES): Delete.
140         * config/rs6000/rs6000-protos.h: Delete predicate functions.
141         Declare functions no longer static.
142         * config/rs6000/predicates.md: New.
143         * config/rs6000/rs6000.md: Include predicates.md
144
145 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
146
147         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
148         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
149         REG_ALWAYS_RETURN.
150         * cfgrtl.c (need_fake_edge_p): Likewise.
151         * combine.c (distribute_notes): Likewise.
152         * emit-rtl.c (try_split): Likewise.
153         * recog.c (peephole2_opimize): Likewise.
154         * reg-notes.def (ALWAYS_RETURN): Remove.
155         * rtl.h (LCT_ALWAYS_RETURN): Remove.
156         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
157         * tree.h (ECF_ALWAYS_RETURN): Remove.
158
159 2005-02-28  Roger Sayle  <roger@eyesopen.com>
160
161         PR middle-end/19874
162         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
163         between different machine modes is never a "useless" conversion.
164
165 2005-02-28  Geert Bosch  <bosch@gnat.com>
166
167         PR ada/15977
168         * doc/contrib.texi: List contributors for Ada front end
169
170 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
171
172         * simplify-rtx.c (simplify_unary_operation_1,
173         simplify_const_unary_operation): New, extracted from...
174         (simplify_unary_operation): ... this one.
175         (simplify_binary_operation_1,
176         simplify_const_binary_operation): New, extracted from...
177         (simplify_binary_operation): ... this one.
178         * rtl.h (simplify_const_unary_operation,
179         simplify_const_binary_operation): Add prototypes.
180
181 2005-02-28  Julian Brown  <julian@codesourcery.com>
182
183         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
184         building libjava and caused PR regression/20228.
185
186 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
187
188         PR bootstrap/17383
189         * Makefile.in (host_subdir): New.
190         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
191         * configure: Regenerate.
192
193 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
194
195         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
196         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
197         installation directory first.
198
199 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
200
201         PR target/19065.
202         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
203         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
204         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
205         * config/cris/cris.md: Tweak comments referring to Q.
206         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
207         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
208         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
209         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
210         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
211         Insert spaces in constraints to align alternatives vertically for
212         readability.
213         ("cmphi"): Ditto.  Add separate alternative for operand 0 "Q>",
214         operand 1: "M".
215
216 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
217
218         PR rtl-optimization/17728
219         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
220         operand 0 from general_operand to move_dest_operand.
221
222 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
223
224         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
225         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
226         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
227         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
228
229 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
230
231         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
232         * configure: Regenerate.
233         * libada-mk.in: Remove CC; rename
234         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
235
236 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
237
238         PR tree-opt/20188
239         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
240         for the lhs, also walk over the tree.  Likewise for rhs.
241
242 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
243
244         * tree-ssa-dom.c (simple_iv_increment_p): New function.
245         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
246         Do not propagate value of iv before increment over the increment.
247
248 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
249
250         * c-parser.c: New file.
251         * c-parse.in: Remove.
252         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
253         Remove.
254         (c-parser.o): Add dependencies.
255         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
256         maintainer-clean, TAGS): Update.
257         * c-config-lang.in (gtfiles): Update.
258         * gengtype-lex.l: Don't handle "@@".
259         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
260         objc_build_synchronized, objc_begin_try_stmt,
261         objc_begin_catch_clause, objc_finish_catch_clause,
262         objc_build_finally_clause, objc_finish_try_stmt): New.
263         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
264         type_seen_p.
265         (c_parse_init): Update comment.
266         * c-decl.c (c_init_decl_processing): Update comment.
267         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
268         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
269         new c_declspecs members.
270
271 2005-02-25  Julian Brown  <julian@codesourcery.com>
272
273         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
274         from being used for symbols with vague linkage when
275         HAVE_GAS_COMDAT_GROUP is true.
276
277 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
278
279         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
280
281 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
282
283         PR target/19930
284         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
285         (LIBGCC2_HAS_DF_MODE): New.
286         (LIBGCC2_HAS_XF_MODE): New.
287         (LIBGCC2_HAS_TF_MODE): New.
288         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
289         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
290         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
291         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
292         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
293         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
294         and add _fixtfdi, _fixunstfdi, _floatditf
295         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
296         L_fixunstfdi, L_floatditf.
297         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
298         (LIBGCC2_HAS_TF_MODE): Define.
299
300 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
301
302         PR tree-optimization/20204
303         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
304         REWRITE_THIS_STMT markers on PHI nodes.
305         (rewrite_initialize_block): Likewise.
306
307 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
308
309         * version.c (version_string): Update to 4.1.
310
311 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
312
313         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
314         Clarify that the alternative way doesn't work in GNU C++.
315
316 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
317
318         PR tree-optimization/19937
319         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
320         to the type of the induction variable.
321
322 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
323
324         PR rtl-optimization/20117
325         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
326         the block including noncopyable insn.
327
328 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
329
330         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
331         calls to find_reg_note.
332
333 2005-02-24  Richard Henderson  <rth@redhat.com>
334
335         PR tree-opt/20127
336         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
337         the type.
338
339 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
340
341         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
342         vector types if to use base reg for misaligned non-word ld/std.
343
344 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
345
346         PR target/14619
347         * config/cris/cris.c (cris_target_asm_function_prologue): Create
348         dwarf2 label manually and put it after, not before the prologue.
349
350 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
351
352         PR target/19019
353         * reload.c (operands_match_p): Only increment register number for
354         SCALAR_INT_MODE_P modes in multiple hard registers.
355
356         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
357         Fix formatting.
358
359 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
360
361         * ChangeLog.5: Fix log message typo(s).
362         * ChangeLog.7: Likewise.
363         * ChangeLog.tree-ssa: Likewise.
364         * cfgexpand.c: Fix comment typo(s).
365         * conflict.c: Likewise.
366         * defaults.h: Likewise.
367         * dwarf2out.c: Likewise.
368         * gcse.c: Likewise.
369         * ggc-page.c: Likewise.
370         * tree-eh.c: Likewise.
371         * tree-ssa-dom.c: Likewise.
372
373 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
374
375         PR target/19019
376         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
377         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
378         if SHARED is defined.
379
380         PR target/20196
381         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
382         allow splitting only if operands 0 and 3 don't overlap.
383
384 2005-02-24  Richard Henderson  <rth@redhat.com>
385
386         PR middle-end/19953
387         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
388         (fold_builtin_1): Call them.
389         * fold-const.c (fold_complex_mult_parts): Split out from ...
390         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
391         (fold_complex_div_parts, fold_complex_div): New.
392         (fold): Use them.
393         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
394
395 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
396
397         * tree-ssa-ccp.c (visit_assignment): Verify that result of
398         VIEW_CONVERT_EXPR is_gimple_min_invariant.
399
400         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
401         (print_node): Likewise.
402         Print TYPE_SIZES_GIMPLIFIED.
403
404 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
405
406         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
407         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
408         operands as commutative in constraints.
409
410 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
411
412         * tree-into-ssa.c: Re-organize internal functions.
413
414 2005-02-24  Richard Henderson  <rth@redhat.com>
415
416         PR middle-end/18902
417         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
418         for c99.
419         * common.opt (fcx-limited-range): New.
420         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
421         * toplev.c (flag_complex_method): Initialize to 1.
422         (process_options): Set flag_complex_method to 0 if
423         flag_cx_limited_range.
424         * doc/invoke.texi (-fcx-limited-range): New.
425
426 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
427
428         * cse.c (delete_trivially_dead_insns): Speed up by using
429         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
430         prev_real_insn.
431
432 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
433
434         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
435         functions when -mid-shared-library is being used.
436
437 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
438
439         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
440         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
441         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
442         * system.h: Poison LINK_LIBGCC_SPECIAL.
443
444 2005-02-23  James E Wilson  <wilson@specifixinc.com>
445
446         * gengtype.c (note_insn_name): Make 1 element larger.
447
448 2005-02-23  Roger Sayle  <roger@eyesopen.com>
449
450         PR target/20018
451         PR rtl-optimization/20097
452         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
453         BImode SUBREGs of SImode registers which confuse the ia64 backend.
454
455 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
456
457         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
458         * t-aix52 (SHLIB_INSTALL): Same.
459
460 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
461
462         * genpreds.c: Update copyright.
463
464 2005-02-23  Michael Beach  <michaelb@ieee.org>
465
466         PR target/20159
467         * config/sparc/t-elf (startup files): Assemble with CPP.
468
469 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
470
471         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
472         (write_predicate_expr): Likewise.
473
474 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
475
476         PR tree-optimization/20100
477         PR tree-optimization/20115
478         * tree-optimize.c (init_tree_optimization_passes): Remove
479         pass_maybe_create_global_var.
480         * tree-pass.h (pass_maybe_create_global_var): Remove.
481         * tree-ssa-alias.c (aliases_computed_p): Declare.
482         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
483         (count_calls_and_maybe_create_global_var): Remove.
484         (pass_maybe_create_global_var): Remove.
485         (init_alias_info): Do not declare aliases_computed_p.
486         (maybe_create_global_var): If the function contains no
487         call-clobbered variables and a mix of pure/const and regular
488         function calls, create .GLOBAL_VAR.
489         Mark all call-clobbered variables for renaming.
490         (merge_pointed_to_info): Update comment.
491         (add_pointed_to_var): Likewise.
492         (is_escape_site): Likewise.
493         Accept struct alias_info * instead of size_t *.
494         Update all users.
495         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
496         as necessary.
497         * tree-ssa-operands.c (get_call_expr_operands): If
498         ALIASES_COMPUTED_P is false, do not add call-clobbering
499         operands.
500         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
501         (delete_tree_ssa): Likewise.
502
503 2005-02-22  James E Wilson  <wilson@specifixinc.com>
504
505         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
506         (do_compile): Do call it here.
507
508 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
509
510         PR rtl-optimization/20017.
511         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
512         rest_of_handle_cse2, rest_of_handle_gcse): Call
513         delete_dead_jumptables immediately before calling cleanup_cfg.
514
515 2005-02-22  Devang Patel  <dpatel@apple.com>
516
517         PR 19952
518         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
519         all labels
520
521 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
522
523         * config/rs6000/aix.h (WINT_TYPE): Define.
524
525 2005-02-22  Stan Shebs  <shebs@apple.com>
526
527         * config/rs6000/rs6000.c (rs6000_override_options): Default to
528         natural alignment for 64-bit Darwin.
529         (rs6000_parse_alignment_option): Warn about uses of -malign-power
530         on 64-bit Darwin.
531         * doc/invoke.texi: Document this.
532
533 2005-02-22  DJ Delorie  <dj@redhat.com>
534
535         * c-common.c (c_common_type_for_mode): Pass the mode's precision
536         to make_[un]signed_type, not the mode itself.
537
538 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
539
540         * cfg.c (cached_make_edge): Call make_edge if edge cache is
541         not available.  Use tail calls wherever possible.
542         (make_edge): Call unchecked_make_edge to create an edge.
543
544         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
545         (coalesce_ssa_name): Don't check for
546         SSANORM_USE_COALESCE_LIST.
547         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
548
549 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
550
551         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
552         (rewrite_into_ssa): ... here.
553
554 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
555
556         PR tree-optimization/19786
557         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
558         tag to another's may-alias bitmap when adding to the other's list.
559
560 2005-02-21  DJ Delorie  <dj@redhat.com>
561
562         * tree-ssa-loop-ivopts.c (computation_cost): Start register
563         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
564         registers in unsupported ways.
565         * expmed.c (init_expmed): Likewise.
566
567 2005-02-21  Stan Cox  <scox@redhat.com>
568
569         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
570
571 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
572
573         * tree-cfg.c (fold_cond_expr_cond): New.
574         (make_edges): Call fold_cond_expr_cond.
575         (find_taken_edge): Accept nothing but INTEGER_CST.
576         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
577         and 1.
578         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
579
580         * flow.c (delete_dead_jumptables): Speed up by scanning insns
581         that do not belong to any basic block.
582
583 2005-02-21  Jeff Law  <law@redhat.com>
584
585         * cfganal.c (find_unreachable_blocks): Manually CSE load of
586         e->dest.
587
588 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
589
590         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
591         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
592         Adjust their definitions.
593         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
594         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
595
596         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
597         genautomata.c, langhooks.c, langhooks.h, system.h,
598         config/arm/lib1funcs.asm: Update copyright.
599
600 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
601
602         * dbxout.c (dbxout_function_end): Emit Lscope label always.
603
604 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
605
606         PR bootstrap/13770
607         * doc/install.texi: Document --with-gc.
608
609 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
610
611         * simplify-rtx.c (simplify_unary_operation): Add a missing
612         "break" statement.
613
614 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
615
616         PR tree-optimization/18663
617         * tree-ssa-dom.c (extract_range_from_cond): Return 0
618         if the type has variable bounds.
619
620 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
621
622         * gcse.c: Remove an obsolete comment.
623
624         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
625
626 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
627
628         * doc/extend.texi (Function Attributes) <Attribute const>: The
629         attribute "pure" is below this text, not above.
630
631 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
632
633         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
634         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
635         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
636
637 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
638
639         PR 18785
640         * langhooks.h (struct lang_hooks): Add to_target_charset.
641         * langhooks.c (lhd_to_target_charset): New function.
642         * langhooks-def.h: Declare lhd_to_target_charset.
643         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
644         (LANG_HOOKS_INITIALIZER): Update.
645         * c-common.c (c_common_to_target_charset): New function.
646         * c-common.h: Declare it.
647         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
648         c_common_to_target_charset.
649
650         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
651         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
652         Delete definitions.
653         * system.h: Poison them.
654         * doc/tm.texi: Don't discuss them.
655         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
656         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
657         (pp_c_char): Do not attempt to generate letter escapes for
658         newline, tab, etc.
659         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
660         * config/mips/mips.c (mips_output_ascii): Likewise.
661
662 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
663
664         PR tree-optimization/19951
665         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
666         is abnormal.
667
668 2005-02-19  Steven Bosscher  <stevenb@suse.de>
669
670         PR middle-end/19698
671         * function.h (struct function): New field `max_loop_depth'.
672         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
673         (flow_loops_find): Reset the max loop depth count before finding loops.
674         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
675         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
676         (calculate_global_regs_live): Make sure the loop will terminate
677         when the initial sets are not empty.
678
679 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
680
681         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
682         object inside.
683         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
684
685 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
686
687         PR other/19525
688         * doc/invoke.texi: Remove documentation of %M spec.
689         * gcc.c: Likewise.
690         (init_spec): Remove %M suffix from -lgcc_s.
691         (do_spec_1): Remove 'M' case.
692         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
693         to put shared libraries in the multilib directory.  Remove the
694         shlib_so_soname substitution variable.  Don't add a multilib encoding
695         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
696         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
697         SHLIB_INSTALL as well as SHLIB_LINK.
698         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
699         (SHLIB_NAME): Delete.
700         (SHLIB_DIR): New macro.
701         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
702         (SHLIB_INSTALL): Adjust accordingly.
703         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
704         * config/t-slibgcc-sld: Likewise.
705         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
706         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
707         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
708         in $(SHLIB_DIR).
709         (SHLIBUNWIND_INSTALL): Adjust accordingly.
710         * config/i386/t-nwld (SHLIB_SONAME): Delete.
711         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
712         Use @shlib_base_name@ instead of @shlib_so_name@.
713         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
714         and @shlib_base_name@.so in @multilib_dir@.
715         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
716         to the install path.
717         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
718         (SHLIB_LINK): Remove previous workaround.
719         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
720         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
721         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
722         the install path.
723         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
724         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
725         (SHLIB_INSTALL): Adjust accordingly.
726         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
727         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
728         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
729         config/t-slibgcc-elf-ver.
730
731 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
732             Jakub Jelinek  <jakub@redhat.com>
733
734         PR tree-optimization/19828
735         * tree-ssa-loop-im.c: Add a TODO comment.
736         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
737         without side-effects.
738
739 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
740
741         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
742         call fold_convert.
743
744 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
745
746         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
747         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
748         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
749         functions.
750         (ia64_reorg): Delete fixup_errata call.
751         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
752         (TARGET_SWITCHES): Delete -mb-step entry.
753
754 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
755
756         PR c/20043
757         * c-typeck.c (composite_type): Handle quals in transparent unions.
758         (type_lists_compatible_p): Likewise.
759
760 2005-02-18  Stan Shebs  <shebs@apple.com>
761
762         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
763         expressions in the .literal8 section.
764
765 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
766
767         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
768
769 2005-02-18  Roger Sayle  <roger@eyesopen.com>
770
771         * fold-const.c (constant_boolean_node): Always create values of the
772         specified type, don't bother calling truthvalue_conversion.
773
774 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
775
776         * except.c (output_function_exception_table): Call
777         assemble_external_libcall (eh_personality_libfunc).
778
779 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
780
781         PR target/19886
782         * config/ia64/ia64.h (struct machine_function): Add state_num.
783         * config/ia64/ia64.c (process_epilogue,
784         process_for_unwind_directive): Use new unwind state numbers each
785         time rather than state 1.
786
787 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
788
789         PR target/20054
790         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
791         before the "*llgt_didi" pattern.
792
793 2005-02-18  Jason Merrill  <jason@redhat.com>
794
795         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
796
797 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
798
799         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
800         (div0): Use it in place of ARM_FUNC_ALIAS.
801         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
802
803 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
804
805         PR middle-end/20030
806         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
807         access, the lower bound of the array type if it exists.
808
809 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
810
811         PR c++/20008
812         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
813         cases that are out-of-range for the index type.
814
815 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
816
817         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
818         (estimate_case_costs): Don't call convert.
819         * expmed.c (expand_shift): Likewise.
820         (make_tree): Call fold_convert instead of convert.
821
822 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
823
824         PR c++/19813
825         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
826         that ref to be marked MEM_READONLY_P doesn't have base that needs
827         constructing.
828
829 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
830
831         * genautomata.c (output_get_cpu_unit_code_func,
832         output_cpu_unit_reservation_p): Don't generate old-style function
833         definitions.
834
835 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
836
837         PR c++/20023
838         PR tree-optimization/20009
839         * convert.c (convert_to_integer): Revert 2005-02-16 change.
840
841         PR tree-optimization/18947
842         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
843         inline, remove all nodes that are inlined into the extern inline
844         being redefined.
845
846 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
847
848         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
849         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
850         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
851         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
852         Update copyright.
853
854 2005-02-17  Roger Sayle  <roger@eyesopen.com>
855
856         PR tree-optimization/19917
857         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
858         to be potentially trapping.
859
860 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
861
862         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
863
864 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
865
866         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
867         tem becomes a local variable which is set to the value of the
868         back end defined INITIAL_FRAME_ADDRESS macro.
869         (expand_builtin_frame_address): Omit the base parameter to
870         expand_builtin_return_addr.
871         (expand_builtin_profile_func): Likewise.
872         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
873         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
874         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
875
876 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
877
878         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
879         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
880         * config/frv/frv.c (frv_function_epilogue): Likewise.
881
882 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
883
884         * lambda-code (perfect_nestify): Remove mark/unmark
885         for rewriting hack.
886         * tree-loop-linear.c (linear_transform_loops): Add
887         rewrite_into_ssa call so that ssa is correct for
888         rewriting into loop closed.
889
890 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
891
892         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
893         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
894         BITMAP_FREE.
895         * bt-load.c (btr_def_live_range, combine_btr_defs,
896         migrate_btr_def, migrate_btr_defs): Likewise.
897         * cfgcleanup.c (thread_jump): Likewise.
898         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
899         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
900         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
901         df_rd_local_compute, df_reg_info_compute): Likewise.
902         * dominance.c (init_dom_info, free_dom_info): Likewise.
903         * flow.c (init_propagate_block_info,
904         free_propagate_block_info): Likewise.
905         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
906         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
907         modify_reg_pav): Likewise.
908         * loop-invariant.c (find_defs, find_invariant_insn,
909         find_invariants, free_inv_motion_data): Likewise.
910         * predict.c (tree_predict_by_opcode,
911         estimate_bb_frequencies): Likewise.
912         * stmt.c (expand_case): Likewise.
913         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
914         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
915         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
916         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
917         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
918         rewrite_ssa_into_ssa): Likewise.
919         * tree-optimize.c (tree_rest_of_compilation): Likewise.
920         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
921         analyze_edges_for_bb, perform_edge_inserts): Likewise.
922         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
923         * tree-sra.c (tree_sra): Likewise.
924         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
925         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
926         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
927         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
928         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
929         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
930         Likewise.
931         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
932         calculate_live_on_entry, calculate_live_on_exit,
933         build_tree_conflict_graph): Likewise.
934         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
935         record_important_candidates, set_use_iv_cost, find_depends,
936         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
937         tree_ssa_iv_optimize_finalize): Likewise.
938         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
939         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
940         tree_duplicate_loop_to_header_edge): Likewise.
941         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
942         * tree-ssa.c (verify_flow_insensitive_alias_info,
943         verify_name_tags, verify_ssa, init_tree_ssa,
944         delete_tree_ssa): Likewise.
945         * tree-ssanames.c (marked_ssa_names, init_ssanames,
946         fini_ssanames): Likewise.
947         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
948
949 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
950
951         * config/rs6000/t-rtems: Completely reworked.
952
953 2005-02-17  Ira Rosen  <irar@il.ibm.com>
954
955         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
956
957 2005-02-17  Ira Rosen  <irar@il.ibm.com>
958
959         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
960         POINTER_TYPE_P when checking that type is a pointer.
961         (vect_get_memtag): Remove.
962         (vect_address_analysis): Use POINTER_TYPE_P. Call
963         vect_object_analysis with dummy parameter for memtag.
964         (vect_object_analysis): Extract memtag (functionality that
965         used to be in vect_get_memtag and moved here). Fix printings.
966         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
967         with correct parameters. Remove call to vect_get_memtag.
968
969 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
970
971         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
972         (tree-vectorizer.o): Added missing dependencies.
973
974         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
975         decleration.
976         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
977         declaration in tree-vectorizer.c, now has an extern declaration in
978         tree-vectorizer.h).
979         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
980         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
981         get_vectype_for_scalar_type, vect_is_simple_use,
982         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
983         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
984         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
985         vectorizable_store, vectorizable_operation, vectorizable_assignment,
986         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
987         find_loop_location): Likewise.
988
989         * tree-vectorizer.c (langhooks.h): #include removed.
990         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
991         moved to tree-vectorized.h.
992         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
993         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
994         get_vectype_for_scalar_type, vect_is_simple_use,
995         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
996         vect_supportable_dr_alignment, new_loop_vec_info,
997         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
998         vect_set_verbosity_level, find_loop_location): Likewise.
999
1000         (vect_analyze_loop): Function externalized. Declaration moved to
1001         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1002         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1003         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1004         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1005         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1006         vect_enhance_data_refs_alignment, vect_analyze_operations,
1007         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1008         vect_stmt_relevant_p, vect_get_loop_niters,
1009         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1010         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1011         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1012         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1013         vect_get_memtag): Likewise.
1014
1015         (vectorizable_load): Function externalized. Declaration moved to
1016         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1017         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1018         vect_transform_loop): Likewise.
1019         (vect_transform_stmt): Moved to tree-vect-transform.c.
1020         (vect_align_data_ref, vect_create_destination_var,
1021         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1022         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1023         vect_get_vec_def_for_operand, vect_init_vector,
1024         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1025         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1026         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1027         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1028         vect_do_peeling_for_loop_bound): Likewise.
1029
1030         * tree-vect-analyze.c: New file.
1031         * tree-vect-transform.c: New file.
1032
1033 2005-02-17  Jason Merrill  <jason@redhat.com>
1034
1035         PR mudflap/19319, c++/19317
1036         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1037         slot explicit.
1038
1039 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1040
1041         * doc/install.texi (Specific): Update link for Darwin-specific
1042         tool binary site.
1043
1044 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1045
1046         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1047         constant_boolean_node.
1048
1049 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1050
1051         PR target/19019
1052         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1053         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1054
1055 2005-02-16  Richard Henderson  <rth@redhat.com>
1056
1057         PR 19920
1058         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1059         with W_TYPE_SIZE.
1060         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1061         replace uses with Wtype_MAXp1_F.
1062         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1063         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1064         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1065         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1066         and HAVE_TFMODE as appropriate.
1067         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1068         (__floatdisf): Likewise.
1069         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1070         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1071         (Wtype_MAXp1_F): New.
1072         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1073         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1074
1075 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1076
1077         * PR target/19162
1078         * arm.c (arm_apply_result_size): New function.
1079         * arm.h (APPLY_RESULT_SIZE): Define.
1080         * arm-protos.h (arm_apply_result_size): Add prototype.
1081         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1082         (movxf): New expand.
1083         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1084         (call_value_symbol): Remove predicate for operand 0.
1085         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1086         (untyped_call): Rework to correclty return values for any type.
1087         (untyped_return): New expand.
1088         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1089
1090 2005-02-16  Stan Shebs  <shebs@apple.com>
1091
1092         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1093         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1094
1095 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1096
1097         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1098         configure settings on Solaris 7 and later.
1099
1100 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1101
1102         PR tree-optimization/19865
1103         * tree-optimize.c (init_tree_optimization_passes): Run
1104         pass_may_alias after pass_sra.
1105
1106 2005-02-16  Richard Henderson  <rth@redhat.com>
1107             Stuart Hastings  <stuart@apple.com>
1108
1109         PR debug/19521
1110         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1111         Do nothing if debug info suppressed for this function.
1112         (dbxout_begin_function): Early exit if debug info suppressed for
1113         this function.
1114
1115 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1116
1117         PR target/20007
1118         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1119         find_basic_blocks.
1120         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1121
1122         PR tree-optimization/19967
1123         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1124         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1125         argument TYPE.  Adjust calls to fold_builtin_XXX.
1126         (expand_builtin, fold_builtin_1): Adjust calls to
1127         expand_builtin_XXX.
1128         (fold_builtin_strchr, fold_builtin_strpbrk,
1129         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1130         result to a requested type TYPE.
1131
1132 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1133
1134         PR middle-end/19857
1135         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1136         (T)x & (T)cst if (T)cst overflows.
1137         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1138         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1139
1140 2005-02-15  Jeff Law  <law@redhat.com>
1141
1142         * gcse.c (blocks_with_calls): New bitmap.
1143         (alloc_gcse_mem): Allocate it.
1144         (free_gcse_mem): Free it.
1145         (clear_modifY_mem_tables): Clear it.
1146         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1147         when we encounter CALL_INSNs.
1148         (compute_transp, case MEM): Handle blocks with calls separate
1149         from blocks without calls.  Use bitmap iterators rather than
1150         FOR_EACH_BB.
1151
1152 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1153
1154         PR bootstrap/18810
1155         * mklibgcc.in (vis_hide): Use a temporary object file, not
1156         -o /dev/null.
1157
1158 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1159
1160         PR target/19924
1161         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1162         access optimization.
1163
1164 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1165             Alan Modra  <amodra@bigpond.net.au>
1166
1167         PR target/19019
1168         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1169         (_xlqsub): Rename to __gcc_qsub.
1170         (_xlqmul): Rename to __gcc_qmul.
1171         (_xlqdiv): Rename to __gcc_qdiv.
1172         Provide versioned symbol aliases with old names.
1173         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1174         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1175         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1176         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1177         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1178
1179 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1180
1181         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1182         Fold ~(A - 1) and ~(A + -1) to -A.
1183
1184 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1185
1186         PR pch/14940
1187         PR target/19300
1188         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1189         config/pa/pa-host.c:pa_gt_pch_use_address.
1190
1191 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1192
1193         * tree-vn.c (get_value_handle): Make sure that given an
1194         is_gimple_min_invariant expression, we always return it.
1195
1196 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1197
1198         * passes.c (rest_of_handle_gcse): Fix a comment.
1199
1200 2005-02-15  Jeff Law  <law@redhat.com>
1201
1202         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1203         bitmap.
1204         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1205         (canon_list_insert, record_last_mem_set_info): Similarly.
1206         (clear_modify_mem_tables): Similarly.
1207
1208 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1209
1210         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1211         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1212         config/mips/mips.md, config/rs6000/aix.h,
1213         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1214
1215 2005-02-15  Richard Henderson  <rth@redhat.com>
1216
1217         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1218         call to be best_edge.
1219
1220 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1221
1222         * basic-block.h: Adjust the prototype for find_basic_blocks.
1223         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1224         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1225         find_basic_blocks.
1226
1227         * flow.c (recompute_reg_usage): Remove all arguments.
1228         * passes.c (rest_of_compilation): Adjust the call to
1229         recompute_reg_usage.
1230         * rtl.h: Adjust the prototype for recompute_reg_usage.
1231
1232 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1233
1234         * tree-dump.c (dump_files): Update to reflect new member
1235         of dump_file_info.
1236         (dump_register): Add new argument.
1237         Set glob name.
1238         (dump_switch_p_1): Check against glob name if doglob was passed.
1239         (dump_switch_p): Check against regular first, then glob if
1240         we didn't have any hits on the dump name.
1241         * tree-optimize.c (register_one_dump_file):
1242         Pass in glob name as well.
1243         * tree-pass.h (struct dump_file_info): Add glob
1244         member.
1245
1246 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1247
1248         PR preprocessor/16323
1249         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1250
1251 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1252
1253         PR target/19019
1254         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1255         (trunctfdf2_internal1): New.
1256         (trunctfdf2_internal2): Renamed from trunctfdf2.
1257
1258 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1259
1260         PR tree-optimization/19853
1261         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1262
1263 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1264
1265         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1266         delete_dead_jumptables and cleanup_cfg.
1267
1268 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1269
1270         * reload.c (find_reloads): Swap address_reloaded flags when
1271         swapping commutative operands.
1272
1273 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1274
1275         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1276         Use standard_iv_increment_position for computing the bsi position
1277         for create_iv.
1278         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1279         the bsi position.
1280
1281 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1282
1283         PR target/17428
1284         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1285         life range of hard registers.
1286         * value-prof.c (insn_prefetch_values_to_profile): Only
1287         scan normal insns.
1288
1289         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1290         profile in libcalls.
1291
1292 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1293
1294         * bitmap.h (bitmap_and_compl_into): Return bool.
1295         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1296
1297 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1298
1299         PR tree-optimization/19944
1300         * fold-const.c (fold): Re-add ABS_EXPR folding.
1301
1302 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1303
1304         PR target/19019
1305         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1306         {TARGET,MASK}_XL_COMPAT.
1307         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1308         MASK_XL_COMPAT.
1309         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1310         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1311         TARGET_XL_COMPAT.
1312         (rs6000_arg_partial_bytes): Same.
1313         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1314         and XL compatibility enabled.
1315         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1316         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1317         test to final condition.
1318         (cmptf_internal2): New.
1319         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1320         xl-compat.  Add TFmode information to description.
1321
1322 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1323
1324         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1325
1326 2005-02-13  Jason Merrill  <jason@redhat.com>
1327
1328         PR c++/16405
1329         * fold-const.c (fold_indirect_ref_1): Split out from...
1330         (build_fold_indirect_ref): Here.
1331         (fold_indirect_ref): New fn.
1332         * tree.h: Declare it.
1333         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1334         (gimplify_modify_expr_rhs): Likewise.
1335         (gimplify_expr): Likewise.
1336
1337 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1338
1339         PR tree-optimization/14303
1340         PR tree-optimization/15784
1341         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1342         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1343         ABS_EXPR<x> != 0 to x != 0.
1344
1345 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1346
1347         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1348         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1349         spelling conventions.
1350
1351         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1352         delete_trivially_dead_insns too many times.
1353
1354         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1355         tem and tem2.
1356
1357 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1358
1359         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1360         (vect_is_simple_iv_evolution): Remove redundant parameter
1361         and step check.
1362         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1363         without last parameter.
1364         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1365         Return pointer step. Call vect_is_simple_iv_evolution without
1366         last parameter. Check only that the step is multiple of size
1367         type. Remove stmt_vinfo updates.
1368         (vect_get_memtag_and_dr): Remove.
1369         (vect_get_memtag): New function.
1370         (vect_address_analysis): New function.
1371         (vect_object_analysis): New function.
1372         (vect_analyze_data_refs): Call vect_object_analysis and
1373         vect_get_memtag. Update stmt_vinfo fields.
1374
1375 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1376
1377         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1378         exist and are objects. Remove checks for pointer.
1379         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1380         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1381         (vect_create_data_ref_ptr): Likewise.
1382         (vect_base_addr_differ_p): New function.
1383         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1384         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1385         Don't set the DR_BASE_NAME field of data-ref.
1386         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1387
1388 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1389
1390         * optabs.h (enum optab_index): Add new OTI_ldexp.
1391         (ldexp_optab): Define corresponding macro.
1392         * optabs.c (init_optabs): Initialize ldexp_optab.
1393         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1394         patterns.
1395         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1396         using ldexp_optab.
1397         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1398         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1399
1400         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1401         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1402         intrinsics.
1403
1404 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1405
1406         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1407         to base_address.
1408         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1409         stmt_vec_info.
1410         (vect_get_base_and_offset): Always return an address.
1411         (vect_create_addr_base_for_vector_ref): Remove treatment for
1412         different data reference types.
1413         (vect_compute_data_ref_alignment): Rename base to base_address in
1414         stmt_vec_info. Get the object in order to force its alignment.
1415         (vect_get_memtag_and_dr): Rename base to base_address in
1416         stmt_vec_info. Extract the object for memtag analysis.
1417
1418 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1419
1420         PR regression/19898.
1421         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1422         changes cc_status, use apply modified_in_p to part of cc_status
1423         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1424         body.
1425
1426 2005-02-11  Richard Henderson  <rth@redhat.com>
1427
1428         * tree-complex.c (expand_complex_libcall): New.
1429         (expand_complex_multiplication): Use it for c99 compliance.
1430         (expand_complex_division): Likewise.
1431         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1432         (fold): Call them.
1433         * builtins.c (built_in_names): Remove const.
1434         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1435         builtins.
1436         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1437         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1438         (built_in_names): Remove const.
1439         * c-common.c (c_common_type_for_mode): Handle complex modes.
1440         * flags.h, toplev.c (flag_complex_method): Rename from
1441         flag_complex_divide_method.
1442         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1443         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1444         * libgcc2.h: Declare them.
1445         * libgcc-std.ver: Export them.
1446         * mklibgcc.in (lib2funcs): Build them.
1447
1448 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1449
1450         PR tree-optimization/19876
1451         Partially revert my change from 2005-01-14
1452         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1453         (compute_antic): ...and remove the loop here.
1454
1455 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR middle-end/19858
1458         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1459         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1460
1461         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1462         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1463
1464 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1465
1466         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1467         offsets for the big-endian 32-bit case.
1468
1469 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1470
1471         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1472
1473 2005-02-11  Dale Johannesen  <dalej@apple.com>
1474
1475         * cselib.c (cselib_process_insn):  Clear out regs where
1476         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1477         * reload.c (find_equiv_reg): Ditto.
1478
1479 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1480
1481         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1482         with no elements.
1483
1484         * tree.c (build_function_type_list): Work correctly if there are
1485         no arguments.
1486
1487 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1488
1489         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1490         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1491         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1492         TARGET_ZARCH instead of TARGET_64BIT.
1493
1494 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1495
1496         * config/rs6000/t-rtems:
1497         (MULTILIB_OPTIONS): Remove mcpu=602.
1498         (MUTLILIB_DIRNAMES): Remove m602.
1499         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1500         Let mcpu=602 match mcpu=603.
1501         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1502
1503 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1504
1505         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1506         signal trampolines.
1507
1508 2005-02-10  David Daney  <ddaney@avtrex.com>
1509
1510         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1511         * config/i386/linux-unwind.h: Likewise.
1512         * config/ia64/linux-unwind.h: Likewise.
1513         * config/mips/linux-unwind.h: Likewise.
1514         * config/pa/linux-unwind.h: Likewise.
1515         * config/rs6000/linux-unwind.h: Likewise.
1516         * config/s390/linux-unwind.h: Likewise.
1517         * config/sh/linux-unwind.h: Likewise.
1518         * config/sparc/linux-unwind.h: Likewise.
1519
1520 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1521
1522         PR tree-optimization/17549
1523         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1524         TER to replace a DEF with its expression if the DEF and the
1525         rhs of the expression we replace into have the same root
1526         variable.
1527
1528 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1529
1530         * config/mips/mips.md: Fix the placement of the match_scratch in the
1531         lea64 peephole2.
1532
1533 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1534
1535         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1536         Fix comment typos.
1537
1538 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1539
1540         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1541         (strip_offset): Handle addresses.
1542         (add_address_candidates): Use strip_offset.
1543         (difference_cost): Reflect strip_offset change.
1544         (force_var_cost, difference_cost): Strip nops.
1545
1546 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1547
1548         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1549
1550         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1551         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1552         config/cris/cris-protos.h, config/cris/cris.c: Update
1553         copyright.
1554
1555 2005-02-10  Jeff Law  <law@redhat.com>
1556
1557         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1558         (lookup_avail_expr): Similarly.
1559
1560 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1561
1562         * builtins.c (fold_builtin_powi): New function.
1563         (fold_builtin_1): Call it.
1564
1565 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1566
1567         PR documentation/19309
1568         * doc/cpp.texi: The __GNUC__ and related predefined macros
1569         are also defined for the "standalone" cpp.
1570         Some non-GCC compilers may also define __GNUC__.
1571
1572 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1573
1574         PR c/19342
1575         * c-typeck.c (common_type): New routine.  Old common_type renamed
1576         to...
1577         (c_common_type): ...this.
1578         (build_conditional_expr, build_binary_op): Use c_common_type instead
1579         of common_type.
1580
1581 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1582
1583         * doc/md.texi: Replace @samp{length} with @code{length}.
1584
1585 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1586
1587         PR tree-optimization/18687
1588         * tree-flow.h (find_loop_niter): Declare.
1589         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1590         Try using scev even for loops with more than one exit.
1591         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1592         (struct ivopts_data): Added niters field.
1593         (struct nfe_cache_elt): New.
1594         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1595         functions.
1596         (tree_ssa_iv_optimize_init): Initialize niters cache.
1597         (determine_number_of_iterations): Removed.
1598         (find_induction_variables): Do not call determine_number_of_iterations.
1599         Access niters for single exit through niter_for_single_dom_exit.
1600         (add_iv_outer_candidates): Access niters for single exit through
1601         niter_for_single_dom_exit.
1602         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1603         number_of_iterations_cond.
1604         (iv_period): New function.
1605         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1606         (may_replace_final_value): Take data argument.  Use
1607         niter_for_single_dom_exit.
1608         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1609         (rewrite_use_compare): Pass data to may_eliminate_iv.
1610         (rewrite_use_outer): Pass data to may_replace_final_value.
1611         (free_loop_data): Clean up the niters cache.
1612         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1613         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1614         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1615         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1616         (num_ending_zeros): Moved to tree.c.
1617         * tree.h (num_ending_zeros): Declare.
1618         * tree.c (num_ending_zeros): Moved from tree.c.
1619
1620 2005-02-09  Richard Henderson  <rth@redhat.com>
1621
1622         * builtins.c (DEF_BUILTIN): Add COND argument.
1623         * tree.h (DEF_BUILTIN): Likewise.
1624         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1625         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1626         match.
1627         (DEF_BUILTIN_STUB): New.
1628         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1629         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1630         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1631         * c-common.c (DEF_BUILTIN): Add COND argument.
1632         * tree.c (local_define_builtin): New.
1633         (build_common_builtin_nodes): New.
1634
1635 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1636
1637         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1638         floating point expression ignoring the sign of the result.
1639         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1640         (fold) <MULT_EXPR>: Use it to simplify x*x.
1641         * tree.h (fold_strip_sign_ops): Prototype here.
1642         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1643         argument.  Use fold_strip_sign_ops to simplify the first argument.
1644         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1645         first argument when the second argument is an even integer
1646         constant, but only with -funsafe_math_optimizations.
1647         (fold_builtin_1): Update call to fold_builtin_copysign.
1648
1649 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1650
1651         PR middle-end/19583
1652         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1653         just check whether EH_FILTER_FAILURE falls through.
1654
1655 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1656
1657         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1658         insns return to ready list in the next turn.
1659
1660 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1661
1662         PR middle-end/19402
1663         * builtins.def: New __builtin_powi[lf].
1664         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1665         (expand_builtin_powi): New function.
1666         (expand_builtin): Dispatch to expand_builtin_powi.
1667         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1668         * libgcc2.c: Add __builtin_powi[lf] implementation.
1669         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1670         * optabs.h: Add powi_optab.
1671         * optabs.c (init_optabs): Initialize powi_optab.
1672         * doc/extend.texi: Document __builtin_powi[lf].
1673
1674 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1675
1676         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1677         exists.
1678
1679 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1680
1681         PR middle-end/19854
1682         * fold-const.c (try_move_mult_to_index): Remove redundant
1683         type argument.  Create ADDR_EXPR with correct type.
1684         (fold): Update callers of try_move_mult_to_index.  Convert
1685         result to the appropriate type.
1686
1687 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1688
1689         PR target/19597
1690         * config/avr/avr.c (default_rtx_costs): Delete.
1691         (avr_operand_rtx_cost): New function.
1692         (avr_rtx_costs): Completely rewrite.
1693
1694 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1695
1696         PR target/19806
1697         * config/cris/cris.c (in_code): New variable.
1698         (cris_output_addr_const): Now a static function, a wrapper for
1699         output_addr_const.
1700         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1701         case from old cris_output_addr_const.
1702         (cris_asm_output_label_ref): Similar for LABEL_REF.
1703         (cris_output_addr_const_extra): Similar for UNSPEC.
1704         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1705         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1706         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1707         declaration.
1708         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1709         (cris_asm_output_label_ref): Declare.
1710
1711 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1712
1713         PR preprocessor/19801
1714         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1715         filenames that changed when libcpp was moved to the toplevel.
1716
1717 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1718
1719         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1720         zero extensions of BImode operands.  Call lowpart_subreg instead
1721         of gen_lowpart_common and gen_lowpart_SUBREG.
1722
1723 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1724
1725         PR ada/19489
1726         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1727         * configure.ac: Set cc_for_cross_gnattools.
1728         * configure: Regenerate.
1729
1730 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1731
1732         PR target/19803
1733         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1734
1735 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1736
1737         PR debug/19327
1738         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1739         of nested functions.
1740
1741 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1742
1743         * doc/extend.texi: Document deprecated extensions allowing
1744         static floating-point members to have initializers and allowing
1745         floating-point literals in integral constant expressions.
1746
1747 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1748
1749         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1750         config/darwin7.h, config/mips/mips.c,
1751         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1752         Update copyright.
1753
1754         * cse.c: Update comments.
1755
1756 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1757
1758         PR middle-end/19775
1759         * builtins.c (fold_builtin_sqrt): Transform
1760         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1761         pow(x,y*0.5).
1762
1763 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1764             Dorit Naishlos  <dorit@il.ibm.com>
1765
1766         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1767         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1768         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1769         was added.
1770         * tree.h (vect_set_verbosity_level): New extern function declaration
1771         added.
1772         * tree-vectorizer.h (verbosity_levels): New enum type.
1773         * tree-vectorizer.c (vect_debug_stats): Function removed.
1774         (vect_debug_details): Likewise.
1775         (vect_verbosity_level): Global variable was defined and initialized.
1776         (vect_dump): Global variable definition.
1777         (vect_print_dump_info): New function.
1778         (vect_set_dump_settings): New function.
1779         (vect_set_verbosity_level): New function.
1780         (vectorize_loops): Add call to vect_set_dump_settings.
1781
1782         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1783         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1784         (slpeel_tree_peel_loop_to_edge): Likewise.
1785
1786         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1787         appropriate verbosity level instead of call to vect_debug_details
1788         or vect_debug_stats.
1789         (vect_get_base_and_offset):
1790         (vect_create_addr_base_for_vector_ref):
1791         (get_vectype_for_scalar_type):
1792         (vect_create_data_ref_ptr):
1793         (vect_init_vector):
1794         (vect_get_vec_def_for_operand):
1795         (vect_finish_stmt_generation):
1796         (vectorizable_assignment):
1797         (vectorizable_operation):
1798         (vectorizable_store):
1799         (vectorizable_load):
1800         (vect_transform_stmt):
1801         (vect_update_ivs_after_vectorizer):
1802         (vect_do_peeling_for_loop_bound):
1803         (vect_update_inits_of_drs):
1804         (vect_do_peeling_for_alignment):
1805         (vect_transform_loop):
1806         (vect_is_simple_use):
1807         (vect_analyze_operations):
1808         (vect_is_simple_iv_evolution):
1809         (vect_analyze_scalar_cycles):
1810         (vect_analyze_data_ref_dependence):
1811         (vect_analyze_data_ref_dependences):
1812         (vect_compute_data_ref_alignment):
1813         (vect_enhance_data_refs_alignment):
1814         (vect_analyze_data_refs_alignment):
1815         (vect_analyze_data_ref_access):
1816         (vect_analyze_data_ref_accesses):
1817         (vect_analyze_pointer_ref_access):
1818         (vect_get_memtag_and_dr):
1819         (vect_analyze_data_refs):
1820         (vect_mark_relevant):
1821         (vect_stmt_relevant_p):
1822         (vect_mark_stmts_to_be_vectorized):
1823         (vect_can_advance_ivs_p):
1824         (vect_get_loop_niters):
1825         (vect_analyze_loop_form):
1826         (vect_analyze_loop):
1827         (vectorize_loops): Likewise.
1828
1829         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1830         (vect_update_inits_of_drs):
1831         (vect_do_peeling_for_alignment):
1832         (vect_transform_loop):
1833         (vect_analyze_operations):
1834         (vect_analyze_scalar_cycles):
1835         (vect_analyze_data_ref_dependences):
1836         (vect_analyze_data_refs_alignment):
1837         (vect_analyze_data_ref_accesses):
1838         (vect_analyze_data_refs):
1839         (vect_mark_stmts_to_be_vectorized):
1840         (vect_get_loop_niters):
1841         (vect_analyze_loop_form):
1842         (vect_analyze_loop): Likewise.
1843         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1844
1845 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1846
1847         PR bootstrap/19796
1848         Revert:
1849         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1850         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1851         either -ffast-math or -funsafe-math-optimizations is in use.
1852
1853         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1854         * config/mips/irix-csr.c: New file.
1855         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1856         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1857         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1858         executables.
1859
1860 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1861
1862         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1863         redundant, incorrect definitions.
1864
1865         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1866         expand.
1867         ("*tls_indirect_call"): New, reference hard regs directly.
1868         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1869
1870 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1871
1872         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1873         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1874
1875 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1876
1877         PR rtl-optimization/19800
1878         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1879         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1880         gen_lowpart.
1881
1882 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1883
1884         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1885
1886 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1887
1888         PR other/17135
1889         * doc/invoke.texi: Correct documentation of -freorder-functions.
1890
1891 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1892
1893         PR other/14402
1894         * doc/invoke.texi: Don't mention gccbug.
1895
1896 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1897             Andrew Pinski  <pinskia@physics.uc.edu>
1898             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1899
1900         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1901         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1902         into just (zero_extract:SI FOO (const_int 1) BAR).
1903
1904 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1905
1906         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1907         macro locally.  Don't give last revision date.  Use GCC version
1908         number from gcc-common.texi.
1909         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1910         revision date.  Use GCC version number from gcc-common.texi.
1911         Describe being a library as current state rather than as 3.x
1912         history.
1913         * doc/gcc.texi: Remove last update date.
1914         * doc/gccint.texi: Likewise.  Update copyright dates.
1915         * doc/install.texi: Update copyright dates.
1916
1917 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1918
1919         PR other/7549
1920         * doc/invoke.texi: Mention for each option included in -Wall that
1921         it is included in -Wall.
1922         * doc/gcc.texi: Update copyright and last modification date.
1923
1924 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1925
1926         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1927         unnecessary cast to original induction variable increments.
1928
1929 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1930
1931         PR tree-optimization/18219
1932         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1933         in distributed form.
1934
1935 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1936
1937         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1938         Set bitpos and offset later in the function.  Do nothing if the
1939         target is a register and if the bitfield lies completely outside
1940         that register.
1941         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1942         here.  Return an uninitialised register if the source value is stored
1943         in a register and the bitfield lies completely outside that register.
1944
1945 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1946
1947         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1948         not SET_DEST.
1949
1950 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1951
1952         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1953
1954 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1955
1956         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1957         * config/darwin8.h: New.
1958         * config/darwin7.h: Update comment.
1959
1960 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1961             Dorit Naishlos  <dorit@il.ibm.com>
1962
1963         * tree-vectorizer.h (LOC): New type.
1964         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1965         (loop_line_number): New field in struct _loop_vec_info.
1966         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1967
1968         * tree-vectorizer.c (input.h): Included.
1969         (find_loop_location): New function.
1970         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1971         loop line number removed.
1972         (vect_debug_details): Likewise.
1973         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1974
1975         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1976         call to vect_debug_details/stats changed from loop to loop_loc.
1977         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1978         (slpeel_tree_peel_loop_to_edge): Likewise.
1979
1980         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1981         changed from NULL to UNKNOWN_LOC.
1982         (vect_get_base_and_offset):
1983         (vect_create_addr_base_for_vector_ref):
1984         (get_vectype_for_scalar_type):
1985         (vect_create_data_ref_ptr):
1986         (vect_init_vector):
1987         (vect_get_vec_def_for_operand):
1988         (vect_finish_stmt_generation):
1989         (vectorizable_assignment):
1990         (vectorizable_operation):
1991         (vectorizable_store):
1992         (vectorizable_load):
1993         (vect_transform_stmt):
1994         (vect_update_ivs_after_vectorizer):
1995         (vect_do_peeling_for_loop_bound):
1996         (vect_do_peeling_for_alignment):
1997         (vect_transform_loop):
1998         (vect_is_simple_use):
1999         (vect_analyze_operations):
2000         (vect_is_simple_iv_evolution):
2001         (vect_analyze_scalar_cycles):
2002         (vect_analyze_data_ref_dependences):
2003         (vect_compute_data_ref_alignment):
2004         (vect_enhance_data_refs_alignment):
2005         (vect_analyze_data_ref_access):
2006         (vect_analyze_data_ref_accesses):
2007         (vect_analyze_pointer_ref_access):
2008         (vect_get_memtag_and_dr):
2009         (vect_analyze_data_refs):
2010         (vect_mark_relevant):
2011         (vect_stmt_relevant_p):
2012         (vect_mark_stmts_to_be_vectorized):
2013         (vect_can_advance_ivs_p):
2014         (vect_get_loop_niters):
2015         (vect_analyze_loop):
2016         (vectorize_loops): Likewise.
2017
2018         (vectorizable_load): Argument in call to vect_debug_details/stats
2019         changed from loop to LOOP_LOC (loop_vinfo).
2020         (vect_transform_loop):
2021         (vect_analyze_operations):
2022         (vect_analyze_scalar_cycles):
2023         (vect_analyze_data_ref_dependence):
2024         (vect_enhance_data_refs_alignment):
2025         (vect_analyze_data_ref_accesses):
2026         (vect_analyze_pointer_ref_access):
2027         (vect_analyze_data_refs):
2028         (vect_analyze_loop): Likewise.
2029
2030         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2031         changed from loop to loop_loc.
2032
2033         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2034
2035 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2036             Dorit Naishlos  <dorit@il.ibm.com>
2037
2038         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2039         declaration added.
2040         (vect_analyze_data_ref_dependences): Likewise.
2041
2042         (vect_is_simple_use): Argument changed from loop structure to
2043         loop_vect_info structure.
2044         (vect_can_advance_ivs_p): Likewise.
2045         (vect_create_index_for_vector_ref): Likewise.
2046         (vect_update_ivs_after_vectorizer): Likewise.
2047         (new_stmt_vec_info): Likewise.
2048
2049         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2050         changed from loop to loop_vinfo.
2051         (vect_create_data_ref_ptr): First argument in call to
2052         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2053         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2054         was changed from loop to loop_vinfo.
2055         (vectorizable_operation): Likewise.
2056         (vectorizable_store): Likewise.
2057         (vect_mark_stmts_to_be_vectorized): Likewise.
2058         (vect_do_peeling_for_loop_bound): First argument in call to
2059         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2060         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2061         was changed from loop to loop_vinfo.
2062         (vect_analyze_data_ref_dependences): Third argument in call to
2063         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2064
2065         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2066         (vect_create_data_ref_ptr): Likewise.
2067         (vect_init_vector): Likewise.
2068         (vect_get_vec_def_for_operand): Likewise.
2069         (vectorizable_assignment): Likewise.
2070         (vectorizable_operation): Likewise.
2071         (vectorizable_store): Likewise.
2072         (vectorizable_load): Likewise.
2073         (vect_update_ivs_after_vectorizer): Likewise.
2074         (vect_is_simple_use): Likewise.
2075         (vect_analyze_data_ref_dependence): Likewise.
2076         (vect_analyze_pointer_ref_access): Likewise.
2077         (vect_can_advance_ivs_p): Likewise.
2078
2079         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2080         before _stmt_vec_info.
2081         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2082         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2083         (new_stmt_vec_info): Argument changed from loop structure to
2084         loop_vect_info structure
2085
2086         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2087         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2088         (vect_create_addr_base_for_vector_ref): Likewise.
2089         (vect_analyze_pointer_ref_access): Likewise.
2090
2091 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2092
2093         PR tree-opt/19768
2094         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2095         phi flag if the phi is abnormal.
2096
2097 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2098
2099         PR tree-opt/19736
2100         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2101         information for the new statement.
2102
2103 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2104
2105         PR driver/19117
2106         * gcc.c (main): Include the target in -v output.
2107
2108 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2109
2110         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2111         Do not drop the extend if we'd have to add a paradoxical subreg
2112         later.  Include optabs.h and insn-codes.h.
2113         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2114
2115 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2116
2117         PR middle-end/19405
2118         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2119         * fold-const.c (const_binop): Avoid constant folding floating
2120         point operations in modes that use composite representations.
2121         * simplify-rtx.c (simplify_binary_operation): Likewise.
2122
2123 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2124
2125         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2126         a REG, not a MEM.
2127         (altivec_dstt): Likewise.
2128         (altivec_dstst): Likewise.
2129         (altivec_dststt): Likewise.
2130         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2131         of first operand.
2132
2133 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2134
2135         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2136         EXPR_LOCUS from orig_cond to the new cond_stmt.
2137         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2138         the new vec_stmt.
2139
2140 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2141
2142         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2143         standard_iv_increment_position. Remove call to bsi_next
2144         (no need to bump the iterator anymore).
2145         (vect_create_index_for_vector_ref): Call
2146         standard_iv_increment_position. Remove second function argument.
2147         (vect_finish_stmt_generation): Remove call to bsi_next
2148         (no need to bump the iterator anymore).
2149         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2150         to vect_create_index_for_vector_ref.
2151
2152 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2153
2154         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2155         phis are used out of the loop.
2156
2157 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2158
2159         PR c/17807
2160         * c-decl.c (undef_nested_function): New variable.
2161         (pop_scope): Diagnose undefined nested functions.
2162         (finish_function): Don't attempt cgraph processing or genericizing
2163         if current top-level function contained an undefined nested
2164         function.  Reset undef_nested_function at the end of a top-level
2165         function.
2166
2167 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2168
2169         * tree.c (build_int_cst_type): Take sign of the value into account
2170         when deciding whether sign extend the value.
2171
2172 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2173
2174         PR c/18502
2175         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2176         (cpp_options, cc1_options): Change %{std*&ansi} to
2177         %{std*&ansi&trigraphs}.
2178
2179 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2180
2181         * cse.c: Update comments.
2182
2183 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2184
2185         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2186         arguments go on the stack.  Do not put complex doubles in odd/even
2187         pairs.
2188
2189 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2190
2191         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2192         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2193         -ftree-pre, and -fthread-jumps.
2194
2195 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2196
2197         PR tree-optimization/19578
2198         * tree-flow.h (modified_noreturn_calls): Declare.
2199         (noreturn_call_p): Declare.
2200         * tree-flow-inline.h (noreturn_call_p): New function.
2201         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2202         * tree-cfg.c (modified_noreturn_calls): New variable.
2203         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2204         that contain a mid-block noreturn call.
2205         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2206
2207 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2208
2209         * df.c (df_def_record_1, df_uses_record): Don't use
2210         DF_FOR_REGALLOC.
2211         * df.h (DF_FOR_REGALLOC): Remove.
2212
2213 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2214
2215         PR c/19435
2216         * c-typeck.c (really_start_incremental_init): Reset
2217         constructor_max_index for arrays of incomplete type.
2218
2219 2005-02-02  Jeff Law  <law@redhat.com>
2220
2221         * gcse.c (struct reg_set): Store the block index where the register
2222         was set rather than the setting insn.
2223         (record_one_set, compute_transp): Corresponding changes.
2224         (pre_insert_copy_insn): Do not call replace_one_set.
2225         (replace_one_set): Remove.
2226
2227 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2228
2229         PR other/15514
2230         * doc/gcov.texi: Fix typo.
2231
2232 2005-02-01  Richard Henderson  <rth@redhat.com
2233
2234         PR target/19680
2235         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2236         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2237         type to bool.
2238         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2239         * config/i386/i386-protos.h: Update.
2240
2241 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2242
2243         PR tree-optimization/19217
2244         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2245         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2246         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2247         that it is walking a PHI node.
2248
2249 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2250
2251         * doc/extend.texi (Nested Functions): Update.
2252
2253 2005-02-01  Richard Henderson  <rth@redhat.com>
2254
2255         PR 19696
2256         * optabs.c (expand_copysign_absneg): Export.
2257         * optabs.h (expand_copysign_absneg): Declare.
2258         * config/rs6000/rs6000.md (copysigntf3): New.
2259
2260 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2261
2262         PR tree-optimization/19633
2263         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2264         * tree-ssa-alias.c (init_alias_info): Initialize.
2265         (merge_pointed_to_info): Set.
2266         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2267         (dump_points_to_info_for): Show value of pt_null.
2268         (struct count_ptr_d): Declare.
2269         (find_ptr_dereference): Remove.
2270         (ptr_is_dereferenced_by): Remove.
2271         (count_ptr_derefs): New local function.
2272         (count_uses_and_derefs): New local function.
2273         (compute_points_to_and_addr_escape): Call it.  If the number
2274         of dereferences is greater than zero, mark the pointer as
2275         dereferenced.  If there are fewer dereferences than uses of
2276         the pointer, the pointer's value escapes.
2277
2278 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2279
2280         PR tree-optimization/19670
2281         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2282         here...
2283         (verify_use): ... set it here, instead.
2284
2285 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2286
2287         * doc/sourcebuild.texi (Test directives): Fix formatting.
2288
2289         * doc/sourcebuild.texi (Test directives): Describe selector
2290         expressions.
2291
2292 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2293
2294         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2295         specific 64-bit CPUs.
2296
2297 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2298
2299         PR target/16201
2300         * arm.c (arm_eliminable_register): New function.
2301         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2302         HOST_WIDE_INT for address offsets.
2303         * arm-protos.h (arm_eliminable_register): Add prototype.
2304
2305 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2306
2307         PR optimization/15242
2308         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2309         * basic-block.h (duplicate_computed_gotos): Add prototype.
2310         * bb-reorder.c (duplicate_computed_gotos): New function to
2311         duplicate sufficiently small blocks ending in a computed jump.
2312         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2313         if not optimizing for size.
2314         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2315         never do tail merging for blocks ending in a computed jump.
2316         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2317
2318 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2319
2320         Patch from Richard Sandiford <rsandifo@redhat.com>
2321         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2322         from inheriting a subreg equivalence with a non-spill register.
2323
2324         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2325
2326 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2327
2328         * config/frv/frv.c (movcc_fp_destination_operand): New.
2329         (gpr_or_memory_operand): Fix typo in comment.
2330         (gpr_or_memory_operand_with_scratch): New.
2331         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2332         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2333         movcc_fp_destination_operand.
2334         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2335         Legitimize memory addresses using a scratch register.
2336
2337 2005-01-31  Jeff Law  <law@redhat.com>
2338
2339         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2340         bitmap a sparse bitmap instead of a simple bitmap.
2341         (mark_def_sites_initialize_block):  Corresponding changes.
2342         (ssa_mark_def_sites_initialize_block): Likewise.
2343         (ssa_mark_phi_uses): Likewise.
2344         (mark_def_site, ssa_mark_def_sites): Likewise.
2345         (mark_def_site_blocks): Likewise.
2346         (rewrite_ssa_into_ssa): Likewise.
2347
2348         * tree-ssa-dom.c (record_cond): Pass correct variable type
2349         for last argument to htab_find_slot_with_hash.
2350
2351         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2352         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2353
2354 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2355
2356         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2357         1_mmalua.
2358
2359 2005-02-01  Eric Christopher  <echristo@redhat.com>
2360
2361         * config/mips/mips.c (override_options): Warn if -mint64
2362         is used.
2363         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2364         deprecated.
2365
2366 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2367
2368         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2369         timestamp.
2370         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2371         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2372         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2373         (cached_regno): Initialize to INVALID_REGNUM.
2374         (cse_reg_info_table_size,
2375         cse_reg_info_table_first_uninitialized,
2376         cse_reg_info_timestamp): New.
2377         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2378         get_cse_reg_info.
2379         (init_cse_reg_info, get_cse_reg_info_1): New.
2380         (get_cse_reg_info): Cache the last look-up.
2381         (new_basic_block): Update the code to clear mappings from
2382         registers to cse_reg_info entries.
2383         (cse_main): Call init_cse_reg_info.
2384
2385         * cse.c (get_cse_reg_info): Update a comment.
2386
2387 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2388
2389         PR c/19333
2390         * c-decl.c (start_decl): Do not warn about arrays of elements with
2391         an incomplete type here.
2392         (grokdeclarator): Do it here by making a pedwarn an error.
2393         * c-typeck.c (push_init_level): If there were previous errors with
2394         the constructor type, do not warn about braces for initializers.
2395         (process_init_element): Likewise for excess initializer elements.
2396
2397 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2398
2399         * cse.c (delete_trivially_dead_insn): Don't iterate.
2400
2401 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2402
2403         * config/rs6000/rs6000.md (copysignsf3): New expand.
2404         (copysigndf3): Likewise.
2405
2406 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2407
2408         * recog.c (constrain_operands): Only look for earlyclobber operand
2409         conflicts if an '&' constraint was seen.
2410
2411 2005-01-31  Marc Espie <espie@openbsd.org>
2412
2413         * config.gcc: Don't include embedded systems fragment, switches default
2414         debugging format to ELF.
2415         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2416         longer pick it up there.
2417
2418 2005-01-31  Dale Johannesen  <dalej@apple.com>
2419
2420         * doc/extend.texi (nested functions): Fix linkage description.
2421         Clarify that static is not allowed.
2422
2423 2005-01-31  Dale Johannesen  <dalej@apple.com>
2424
2425         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2426         (movdf_low_di):  Make work.
2427
2428 2005-01-31  Dale Johannesen  <dalej@apple.com>
2429
2430         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2431         Make work for 64 bit.
2432
2433 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2434             Dale Johannesen  <dalej@apple.com>
2435
2436         PR middle-end/19650
2437         * fold-const.c (fold_binary_op_with_conditional_arg):
2438         Make types match original operands, before STRIP_NOPS.
2439
2440 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2441
2442         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2443         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2444         (struct gcc_sigcontext): Delete.  Merge contents to..
2445         (struct gcc_ucontext): ..here.
2446         (get_sigcontext): Delete.
2447         (get_regs): New function, like get_sigcontext but return regs ptr.
2448         64-bit version finds regs from r1 to support vdso.
2449         (ppc_linux_aux_vector): New function.
2450         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2451         and vector regs.
2452
2453 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2454
2455         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2456         sizetype.
2457         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2458         redundant fold. Fix misalignment for MINUS_EXPR.
2459         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2460         (vect_analyze_pointer_ref_access): Likewise.
2461         (vect_get_memtag_and_dr): Likewise.
2462
2463 2005-01-31  Richard Henderson  <rth@redhat.com>
2464
2465         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2466         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2467         absnegdf2_i387, absnegxf2_i387): Likewise.
2468
2469 2005-01-31  Richard Henderson  <rth@redhat.com>
2470
2471         PR 19696
2472         * optabs.c (expand_copysign_absneg): New.
2473         (expand_copysign_bit): Split out from ...
2474         (expand_copysign): ... here.  Use expand_copysign_absneg.
2475
2476 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2477
2478         PR middle-end/19697
2479         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2480         constant as the second operand and a register as the third.
2481
2482 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2483
2484         PR target/19704
2485         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2486         that dllimport'd functions do not use all call-clobbered registers
2487         to pass parameters.
2488
2489 2005-01-30  Richard Henderson  <rth@redhat.com>
2490
2491         PR 19696
2492         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2493         expand_abs_nojump and generalize.  Use operand_subword and
2494         emit_no_conflict_block.  Support large modes.
2495         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2496         back to maximum.
2497         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2498         negation to subtraction.
2499         (expand_copysign): Check that the format has signed zeros.
2500         Use operand_subword and emit_no_conflict_block.  Support large modes.
2501
2502 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2503
2504         Fix PR tree-optimization/19624
2505
2506         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2507         * tree-ssa-pre.c: Add cfgloop.h.
2508         Update comment.
2509         (pre_stats): New member, constified.
2510         (inserted_exprs): New static variable.
2511         (NECESSARY): New macro.
2512         (create_expression_by_pieces): Fold the expression, and
2513         mark it as defaulting to not necessary. Also put in
2514         inserted_exprs.
2515         (fully_constant_expression): New function.
2516         (insert_into_preds_of_block): Modify to not insert phis when we
2517         are playing with induction variables.
2518         Push phis onto the inserted_exprs vector, and mark them as not
2519         necessary by default.
2520         (insert_aux): Call fully_constant_expression on eprime.
2521         If all edges produce the same value, mark it constant.
2522         (mark_operand_necessary): New function.
2523         (remove_dead_inserted_code): New function.
2524         (init_pre): Init loop optimizer to get loop info.
2525         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2526         (execute_pre): Commit edge inserts, then remove dead code.
2527
2528 2005-01-30  Richard Henderson  <rth@redhat.com>
2529
2530         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2531         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2532
2533 2005-01-30  Richard Henderson  <rth@redhat.com>
2534
2535         PR target/19700
2536         * config/i386/i386.c (ix86_expand_copysign): New.
2537         (ix86_split_copysign_const): New.
2538         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2539         rearrange op1/nmask operands.
2540         * config/i386/i386-protos.h: Update.
2541         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2542         (copysigndf3): Likewise.
2543         (copysignsf3_const, copysigndf3_const): New.
2544         (copysignsf3_var): Rename from copysignsf3, split out splitter
2545         and fix split predicate for X constraint.
2546         (copysigndf3_var): Similarly.
2547
2548 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2549
2550         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2551         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2552         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2553
2554 2005-01-29  Richard Henderson  <rth@redhat.com>
2555
2556         PR target/19690
2557         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2558         of # and * in constraints.
2559
2560 2005-01-29  Richard Henderson  <rth@redhat.com>
2561
2562         PR middle-end/19689
2563         * expr.c (store_field): Don't strip sub-mode cast when the input
2564         data is even smaller.
2565
2566 2005-01-29  Richard Henderson  <rth@redhat.com>
2567
2568         PR middle-end/19687
2569         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2570         union being empty.
2571
2572 2005-01-29  Richard Henderson  <rth@redhat.com>
2573
2574         * combine.c (make_field_assignment): Fix argument order
2575         to gen_int_mode.
2576
2577 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2578
2579         PR tree-optimization/15791
2580         * fold-const.c (extract_array_ref): New function.
2581         (fold): Fold comparisons between &a[i] and &a[j] or
2582         semantically equivalent trees.
2583
2584 2005-01-29  Jeff Law  <law@redhat.com>
2585
2586         * gcse.c (insert_expr_in_table): Revamp handling of available
2587         and anticipatable occurrence lists to avoid unnecessary list
2588         walking.
2589         (insert_set_in_table): Similarly.
2590
2591 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2592
2593         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2594         build string type.
2595         (c_build_qualified_type): Build qualified array types with
2596         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2597         * c-decl.c (c_make_fname_decl): Build unqualified array type
2598         before qualified type.
2599         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2600         type is qualified, not just if type itself is.  Don't apply
2601         qualifiers to array type when declarator is processed.  Apply
2602         qualifiers to field type whether or not it is an array type.
2603         Don't handle array types specially for applying qualifiers to
2604         variables.
2605         * c-typeck.c (composite_type): Build unqualified element type and
2606         array type when forming composite of array types.
2607         (common_pointer_type, comptypes, comp_target_types,
2608         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2609         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2610         types.
2611         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2612         (args2) in variables a1 and a2.
2613
2614 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2615
2616         * cse.c (n_elements_made, max_elements_made): Remove.
2617         (insert): Don't touch n_elements_made.
2618         (cse_main): Don't touch n_elements_made or max_elements_made.
2619
2620 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2621
2622         PR target/15384
2623         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2624         configuration part of dp-bit.c to be lost.
2625
2626 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2627
2628         * expmed.c (expand_mult_highpart_optab): When attempting to use
2629         a non-widening multiplication in a wider mode, the operands need
2630         to be converted (zero or sign extended) to that mode.
2631
2632 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2633
2634         PR middle-end/16558
2635         PR middle-end/19583
2636         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2637         through if both operands fall through.
2638
2639 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2640
2641         * cse.c (fold_rtx) <PC>: Don't optimize.
2642
2643 2005-01-28  Jeff Law  <law@redhat.com>
2644
2645         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2646         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2647
2648 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2649
2650         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2651         cse_reg_info_used_list_end): Remove.
2652         (cse_reg_info_list, cse_reg_info_list_free): New.
2653         (get_cse_reg_info): When allocating an instance of
2654         cse_reg_info, add it to the beginning of the cse_reg_info_list
2655         list.  Remove code to maintain cse_reg_info_used_list.
2656         (new_basic_block): Reset the free list to the beginning of
2657         cse_reg_info_list.
2658
2659 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2660
2661         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2662         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2663         (frv_expand_mdpackh_builtin): New function.
2664         (frv_expand_builtin): Use it to expand __MDPACKH.
2665         * doc/extend.texi (__MDPACKH): Update documentation.
2666
2667 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2668
2669         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2670         SSE_FLOAT_MODE_P for use_sse computation.
2671
2672 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2673
2674         PR target/19663
2675         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2676
2677 2005-01-27  Richard Henderson  <rth@redhat.com>
2678
2679         * builtins.c (expand_builtin_copysign): New.
2680         (expand_builtin): Call it.
2681         * genopinit.c (optabs): Add copysign_optab.
2682         * optabs.c (init_optabs): Initialize it.
2683         (expand_copysign): New.
2684         * optabs.h (OTI_copysign, copysign_optab): New.
2685         (expand_copysign): Declare.
2686
2687         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2688         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2689
2690         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2691         (ix86_expand_fp_absneg_operator): ... here.
2692         (ix86_split_copysign): New.
2693         * config/i386/i386-protos.h: Update.
2694         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2695         (copysignsf3, copysigndf3): New.
2696
2697         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2698         (copysignsf3, ncopysignsf3): New.
2699         (copysigndf3, ncopysigndf3): New.
2700         (copysignxf3, ncopysignxf3): New.
2701         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2702
2703 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2704             Kazu Hirata  <kazu@cs.umass.edu>
2705
2706         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2707         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2708         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2709         NULL_RTX.
2710
2711 2005-01-27  Jeff Law  <law@redhat.com>
2712
2713         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2714         definitions of SSA_NAMEs which are not being rewritten.
2715         (rewrite_ssa_into_ssa): Only initialize the current definition
2716         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2717         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2718         SSA_NAMEs before returning.
2719
2720 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2721
2722         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2723         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2724         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2725         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2726         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2727
2728 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2729
2730         PR middle-end/17278
2731         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2732         higher to -O2 and higher.  Likewise for tree PRE.
2733         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2734         and better.
2735
2736 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2737
2738         PR middle-end/19583
2739         * gimple-low.c (try_catch_may_fallthru): New static function.
2740         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2741         * tree-inline.c (expand_call_inline): Don't warn about reaching
2742         the end of a non-void function being inlined if the function uses
2743         a return slot.
2744
2745 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2746
2747         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2748
2749         PR c/18946
2750         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2751         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2752         (implicitly_declare): Handle error_mark_node.
2753
2754 2005-01-27  Richard Henderson  <rth@redhat.com>
2755
2756         PR tree-opt/14329
2757         * tree.h (struct tree_decl): Add debug_expr_is_from.
2758         (DECL_DEBUG_EXPR_IS_FROM): New.
2759         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2760         * dwarf2out.c (dwarf2out_var_location): Update to match.
2761         * tree-outof-ssa.c (create_temp): Likewise.
2762         * var-tracking.c (track_expr_p): Likewise.
2763         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2764         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2765         * toplev.c (default_tree_printer): Likewise.
2766
2767 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2768
2769         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2770         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2771
2772 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2773
2774         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2775         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2776         ASM_CLOBBERS): Add tree checks.
2777
2778         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2779         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2780         * c-common.def (SWITCH_STMT): Update to match.
2781         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2782         macros instead of SWITCH_EXPR ones.
2783         * c-dump.c (c_dump_tree): Likewise.
2784         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2785         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2786
2787         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2788
2789 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2790
2791         * unwind-dw2.c (execute_stack_op): Add missing cases for
2792         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2793
2794 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2795
2796         * config.gcc (Obsolete configurations): Remove 'dummy', add
2797         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2798         sparc-*-openbsd*.
2799
2800 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2801
2802         PR tree-optimization/19633
2803         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2804         CALL_EXPRs.
2805         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2806         are no call-clobbered variables.
2807         * tree-outof-ssa.c (check_replaceable): Return false for calls
2808         with side-effects.
2809
2810 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2811
2812         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2813         even for variables with NULL DECL_INITIAL.
2814
2815 2005-01-26  Stuart Hastings  <stuart@apple.com>
2816
2817         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2818
2819 2005-01-26  Richard Henderson  <rth@redhat.com>
2820
2821         PR middle-end/18008
2822         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2823         field's type.
2824         * expr.c (store_field): Strip conversions to odd-bit-sized types
2825         if the destination field width matches.
2826
2827 2005-01-26  Richard Henderson  <rth@redhat.com>
2828
2829         * c-decl.c, expmed.c, expr.c: Revert last change.
2830
2831 2005-01-26  Richard Henderson  <rth@redhat.com>
2832
2833         PR middle-end/18008
2834         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2835         field's type.
2836         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2837         if we don't need the bits above those present in the current mode.
2838         * expr.c (store_field): Strip conversions to odd-bit-sized types
2839         if the destination field width matches.
2840
2841 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2842
2843         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2844         either -ffast-math or -funsafe-math-optimizations is in use.
2845
2846 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2847
2848         PR target/19293
2849         PR target/19329
2850         * config/avr/avr.c (notice_update_cc): Only set condition code for
2851         ashrqi3 if shift count > 0.
2852         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2853         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2854         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2855         count <= 0 as a no-op, and shift count >= width by copying zero
2856         or sign bit to all bits of the result.
2857         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2858         count, with attribute "length" set to 0 and "cc" set to "none".
2859
2860 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2861
2862         * doc/invoke.texi: Document -mTLS.
2863
2864         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2865         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2866         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2867         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2868         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2869         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2870         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2871         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2872
2873         * configure.ac: Check for a TLS capable gas.
2874
2875         * configure: Regenerate.
2876
2877 2005-01-26  Richard Henderson  <rth@redhat.com>
2878
2879         PR middle-end/18008
2880         * combine.c (make_field_assignment): Simplify store to zero_extract
2881         from a source with an overlapping mask.
2882
2883 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2884
2885         2004-11-11  Eric Christopher  <echristo@redhat.com>
2886
2887         * config/frv/frv.md: Add fr400_integer automaton. Don't
2888         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2889         to TYPE_MACC.
2890
2891 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2892
2893         PR middle-end/16585
2894         * cfgbuild.c (make_edges): Do not clear or set
2895         current_function_has_computed_jump.
2896         * function.h (struct function): Remove the has_computed_jump field.
2897         (current_function_has_computed_jump): Do not define.
2898         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2899         in a computed jump.  Ignore current_function_has_computed_jump.
2900
2901 2005-01-26  Richard Henderson  <rth@redhat.com>
2902
2903         PR middle-end/19515
2904         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2905         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2906         fully initialized.
2907         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2908         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2909         objects into static storage if they have more than one non-zero value.
2910         * tree.h (categorize_ctor_elements): Update decl.
2911
2912 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2913
2914         PR middle-end/19616
2915         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2916         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2917         to this function from 2004-07-10.
2918         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2919         the current function for tail call optimizations if the address
2920         of one of it its arguments is taken.
2921
2922 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2923
2924         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2925
2926 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2927
2928         * function.c (expand_function_end): If current_function_calls_alloca,
2929         emit stack restore in a place that is reached when the function falls
2930         through at the end.
2931
2932 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2933
2934         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2935         rule to avoid matching inappropriate suffix rule.
2936
2937 2005-01-26  Jan Hubicka  <jh@suse.cz>
2938
2939         PR tree-optimization/19241
2940         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2941
2942 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2943
2944         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2945         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2946         of doubling.
2947         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2948         <sim*>: Always use crt1.o, regardless of N in simN.
2949         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2950         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2951         (CRT_CALL_STATIC_FUNCTION): Remove.
2952         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2953         use crt1.o, regardless of N in simN.
2954         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2955         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2956         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2957         case isystem setting.
2958         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2959
2960 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2961
2962         * gimple-low.c (block_may_fallthru): Correct handling of
2963         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2964
2965 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2966
2967         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2968         handlers to match indentation; nested under the mtune=* handler.
2969         Similar for mcpu= and march=.
2970
2971 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2972
2973         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2974         * config/mips/linux64.h (LIB_SPEC): Likewise.
2975         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2976         * config/sh/linux.h (LIB_SPEC): Likewise.
2977
2978 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2979
2980         * config/frv/frv.c (frv_legitimize_tls_address): New.
2981         (TARGET_HAVE_TLS): Define.
2982         (FRV_SYMBOL_REF_TLS_P): Define.
2983         (frv_override_options): Handle new register classes.
2984         (frv_legitimate_address_p): Reject tls addresses.
2985         (frv_legitimize_address): Handle TLS addresses.
2986         (gen_inlined_tls_plt): New.
2987         (gen_tlsmoff): New.
2988         (frv_legitimize_tls_address): New.
2989         (unspec_got_name): Add TLS entries.
2990         (got12_operand): Add R_FRV_TLSMOFF12 case.
2991         (frv_emit_move): Fixup TLS addresses.
2992         (frv_emit_movsi): Legitimize TLS addresses.
2993
2994         * config/frv/frv.h (MASK_BIG_TLS): New.
2995         (TARGET_BIG_TLS): New.
2996         (HAVE_AS_TLS): Define.
2997         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2998         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2999         (REG_CLASS_NAMES): Same.
3000         (REG_CLASS_CONTENTS): Same.
3001         (CONSTRAINT_LEN): New.
3002         (REG_CLASS_FROM_CONSTRAINT): New.
3003         (PREDICATE_CODES): Add symbolic_operand.
3004
3005         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3006         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3007         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3008         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3009         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3010         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3011         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3012         GR9_REG, GR14_REG, LRREG.
3013         (type): Add load_or_call attribute.
3014         ("load_or_call"): New reservation.
3015         ("call_gettlsoff"): New.
3016         ("tls_indirect_call"): New.
3017         ("tls_load_gottlsoff12"): New.
3018         ("tlsoff_hilo"): New.
3019         ("tls_tlsdesc_ldd"): New.
3020         ("tls_tlsoff_ld"): New.
3021         ("tls_lddi"): New.
3022
3023         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3024
3025         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3026
3027         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3028         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3029         * config/frv/frv.c (TLS_BIAS): Define.
3030         (frv_output_dwarf_dtprel): New.
3031
3032 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3033
3034         PR rtl-optimization/19579
3035         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3036         both A and B, see if they don't clobber registers the other expr uses.
3037
3038 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3039
3040         * real.c (do_add): Initialize signalling and canonical members.
3041
3042         * real.c (real_from_integer): Zero out destination.
3043
3044 2005-01-18  Jan Hubicka  <jh@suse.cz>
3045
3046         PR tree-optimize/19337
3047         * tree-inline.c (initialize_inlined_parameters): Copy
3048         saved_static_chain_decl only.
3049
3050 2005-01-25  Richard Henderson  <rth@redhat.com>
3051
3052         PR target/19556
3053         PR target/19584
3054         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3055         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3056         80387 enabled, to return a proper subclass.  Return the subset that
3057         overlaps with GENERAL_REGS for PLUS.
3058         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3059
3060 2005-01-25  Richard Henderson  <rth@redhat.com>
3061
3062         PR middle-end/19609
3063         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3064
3065 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3066
3067         * expmed.c (choose_multiplier): Change interface to return the
3068         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3069         (expand_divmod): Update calls to choose_multiplier.
3070
3071 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3072
3073         PR middle-end/19330
3074         * expmed.c (extract_bit_field): Use adjust_address instead of
3075         gen_lowpart when op0 is a MEM.
3076
3077 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3078
3079         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3080
3081 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3082
3083         * config/mips/irix-csr.c: New file.
3084         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3085         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3086         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3087         executables.
3088
3089 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3090
3091         PR bootstrap/19364
3092         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3093         sparc/elf.h, add sparc/sp-elf.h.
3094         (sparc-*-rtems*): Likewise.
3095         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3096         tm-dwarf2.h, add sparc/sp-elf.h.
3097         (sparc86x-*-elf): Likewise.
3098         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3099         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3100         TARGET_OS_CPP_BUILTINS.
3101         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3102         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3103         Undefine it.
3104         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3105         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3106         (SWITCH_TAKES_ARG): Likewise.
3107         (LOCAL_LABEL_PREFIX): Likewise.
3108         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3109         (TARGET_N_FORMAT_TYPES): Delete.
3110         (TARGET_FORMAT_TYPES): Likewise.
3111         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3112         * config/sparc/elf.h: Delete.
3113         * config/sparc/sp-elf.h: New file.
3114
3115 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3116
3117         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3118         * tree-flow.h: Remove the corresponding prototype.
3119         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3120         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3121
3122 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3123
3124         PR target/17751
3125         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3126         for AIX ABI or ELF -fPIC.
3127         (rs6000_emit_load_toc_table): Don't create toc_section here.
3128         (rs6000_xcoff_file_start): Nor here.
3129
3130 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3131
3132         * sh.c (ra.h): Don't #include.
3133         (hard_regs_intersect_p): New function, resurrected from ra.c.
3134
3135         * sh.c: Fix 1996 Copyright.
3136
3137 2005-01-24  Richard Henderson  <rth@redhat.com>
3138             Aldy Hernandez  <aldyh@redhat.com>
3139
3140         * regrename.c (note_sets): Handle subregs.
3141
3142 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3143
3144         PR bootstrap/18058
3145         * genconditions.c (write_header, write_conditions): Elide file if
3146         not GCC >= 3.0.1.
3147
3148 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3149
3150         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3151         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3152         Update copyright.
3153
3154 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3155
3156         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3157         expand_builtin_printf, expand_builtin_fprintf,
3158         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3159         checking against POINTER_TYPE.
3160         (validate_arglist): Handle POINTER_TYPE code by checking
3161         POINTER_TYPE_P.
3162
3163 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3164
3165         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3166         init_rtlanal): New.
3167         (for_each_rtx): Call for_each_rtx_1.
3168         * rtl.h (init_rtlanal): Declare.
3169         * toplev.c (backend_init): Call init_rtlanal.
3170
3171 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3172
3173         * flow.c (propagate_one_insn): Formatting.
3174
3175         PR middle-end/19551
3176         * flow.c (libcall_dead_p): Be more conservative if unsure.
3177         If there are any instructions between insn and call, see if they are
3178         all dead before saying the libcall is dead.
3179
3180 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3181
3182         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3183         operand constraint for operand 0.
3184
3185 2005-01-23  Richard Henderson  <rth@redhat.com>
3186
3187         PR 19486
3188         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3189         edges leading to join block.
3190
3191 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3192
3193         * expmed.c (expand_mult_highpart): Make static.  Change type of
3194         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3195         (expand_divmod): Updates calls to expand_mult_highpart by using
3196         gen_int_mode to pass a CONST_INT rtx.
3197         * rtl.h (expand_mult_highpart): Remove prototype.
3198
3199 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3200
3201         * flow.c (regset_bytes, regset_size): Remove.
3202
3203         * cfganal.c: Fix a reference to Harvey's paper.
3204
3205 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3206
3207         PR rtl-optimization/19464
3208         * tree-optimize.c (init_tree_optimization_passes): Add one more
3209         copyrename pass just before out-of-ssa.
3210
3211 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3212
3213         PR bootstrap/18058
3214         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3215         * ggc-none.c (ggc_free): Define.
3216
3217 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3218
3219         * cse.c (max_reg, max_insn_uid): Remove.
3220         (cse_main): Don't access max_reg or max_insn_uid.
3221
3222         * c-common.c (explicit_flag_signed_bitfields,
3223         lang_statement_code_p, lang_expand_function_end): Remove.
3224         * c-common.h: Remove the corresponding declarations.
3225         * c-opts.c (c_common_handle_option): Remove all write access
3226         to explicit_flag_signed_bitfields.
3227
3228         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3229         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3230         * cgraph.h: Remove the corresponding declaration.
3231
3232         * gcse.c (null_pointer_info): Remove.
3233
3234 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3235             Eric Botcazou  <ebotcazou@libertysurf.fr>
3236
3237         * combine.c (simplify_logical): Only simplify logical expressions
3238         of the form ior(and(x,y),z) by the inverse distributive law if the
3239         result is cheaper than the original.
3240
3241 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3242
3243         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3244         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3245         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3246         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3247         config/freebsd-spec.h, config/arm/arm.h,
3248         config/h8300/h8300.md, config/i386/i386.md,
3249         config/i386/predicates.md, config/i386/sse.md,
3250         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3251         config/vax/vax.md: Fix comment typos.  Follow spelling
3252         conventions.
3253
3254 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3255
3256         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3257         tests, instead of `less than'.
3258
3259 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3260
3261         * function.c (assign_parm_setup_block): When creating a new stack slot
3262         for a parameter, get its alignment from the parameter's DECL_ALIGN
3263         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3264         is at least word aligned.
3265
3266 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3267
3268         PR middle-end/19378
3269         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3270
3271 2005-01-22  Richard Henderson  <rth@redhat.com>
3272
3273         PR target/19506
3274         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3275         in both compare operands.
3276         (movdfcc_1_sse_max): Likewise.
3277         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3278         (movdfcc_1_sse): Likewise.
3279         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3280         scratch register as needed.
3281
3282 2005-01-22  Richard Henderson  <rth@redhat.com>
3283
3284         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3285
3286         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3287
3288 2005-01-22  Richard Henderson  <rth@redhat.com>
3289
3290         * genopinit.c (optabs): Use smin/smax for floating point too.
3291         * doc/md.texi: Update to match.  Clarify that floating point
3292         results are undefined for +0/-0 and NaN.
3293         * doc/rtl.texi: Likewise.
3294         * rtl.def (SMIN, SMAX): Likewise
3295         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3296
3297         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3298         leading 's' to the name.
3299         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3300         smaxxf3, sminxf3): Likewise.
3301         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3302         Likewise.
3303
3304 2005-01-22  Paul Brook  <paul@codesourcery.com>
3305
3306         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3307
3308 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3309
3310         * config/s390/s390.c (struct processor_costs): New fields
3311         dlgr, dlr, dr, dsgfr, dsgr.
3312         (z900_cost, z990_cost): Values for new fields.
3313         (s390_rtx_costs): New cases MEM und COMPARE in switch
3314         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3315         DIV, MOD, UDIV, UMOD.
3316
3317 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3318
3319         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3320         into the register being decremented.
3321         ("doloop_si31", "doloop_di"): Likewise.
3322         ("*doloop_si_long"): Adapt pattern.
3323
3324 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3325
3326         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3327         access registers.
3328         (CLASS_MAX_NREGS): Likewise.
3329
3330 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3331
3332         * doc/tree-ssa.texi (Statement Operands): Add example for new
3333         must-def macro. Note deprecation of old operands interface.
3334
3335 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3336
3337         PR tree-optimization/19484
3338         * tree-cfg.c (remove_fallthru_edge): New function.
3339         (cleanup_control_flow): Remove fallthru edges from calls that are
3340         now known not to return.
3341
3342 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3343
3344         Fix PR tree-optimization/19038
3345         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3346         copies with loop variant ones.
3347
3348 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3349
3350         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3351         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3352         config/alpha/alpha.md, config/alpha/predicates.md,
3353         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3354         config/sparc/sol2.h: Update copyright.
3355
3356         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3357         first label to see if it is a nonlocal label.
3358
3359 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3360             Andrew Pinski  <pinskia@physics.uc.edu>
3361
3362         PR target/19491
3363         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3364         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3365
3366 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3367
3368         * config/rs6000/rtems.h: Update copyright.
3369
3370 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3371
3372         PR target/19548
3373         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3374         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3375         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3376
3377 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3378
3379         PR c/18809
3380         * c-typeck.c (convert_arguments): Check for error_mark_node.
3381
3382 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3383
3384         PR tree-optimization/13000
3385         * tree-inline.c: Include "tree-flow.h".
3386         (expand_call_inline): If warn_return_type, warn if non-void inline
3387         function falls through.
3388         * tree-cfg.c (execute_warn_function_return): Don't warn about
3389         control reaching end if TREE_NO_WARNING is set.  Set
3390         TREE_NO_WARNING.
3391         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3392         has been lowered.
3393         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3394         branch if we don't need one.
3395         * c-typeck.c: Include "tree-flow.h"
3396         (c_finish_bc_stmt): Don't add a goto if the current statement
3397         list doesn't fall through to the current point.
3398
3399 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3400
3401         PR rtl-optimization/576
3402         * real.c (real_arithmetic): Change return type from void to bool
3403         to return an indication that the result may be inexact.
3404         * real.h (real_arithmeric): Update prototype.
3405         * fold-const.c (const_binop):  Don't constant fold floating
3406         point expressions when the user specifies -frounding-math and
3407         the result may depend upon the run-time rounding mode.
3408         (fold_convert_const_real_from_real): Clean-up.
3409         (fold_initializer): Ignore flag_rounding_math for initializers.
3410         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3411         constant fold FP operations with flag_rounding_math if the
3412         result may depend upon the run-time rounding mode.
3413
3414 2005-01-21  Tom Tromey  <tromey@redhat.com>
3415
3416         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3417
3418 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3419
3420         * tree-cfg.c: Fix comment typos.
3421
3422 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3423
3424         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3425         around the call to rest_of_handle_branch_target_load_optimize.
3426
3427 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3428
3429         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3430         (sparc64-*-openbsd*): Likewise.
3431         (sparclite-*-elf*): Include tm-dwarf2.h.
3432         (sparc86x-*-elf*): Likewise.
3433         (sparc64-*-elf*): Likewise.
3434         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3435         (DBX_DEBUGGING_INFO): Likewise.
3436         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3437         (PREFERRED_DEBUGGING_TYPE): Likewise.
3438         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3439         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3440         (PREFERRED_DEBUGGING_TYPE): Likewise.
3441         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3442         (PREFERRED_DEBUGGING_TYPE): Likewise.
3443         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3444
3445 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3446
3447         PR target/18701
3448         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3449
3450 2005-01-20  Paul Brook  <paul@codesourcery.com>
3451
3452         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3453
3454 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3455
3456         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3457         label is first in a sequence of labels.
3458
3459         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3460
3461 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3462             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3463
3464         * doc/sourcebuild.texi (Test Directives): New.
3465
3466 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3467
3468         * real.c (real_floor): Don't leave the result uninitialized when
3469         mode is VOIDMode, but return the unrounded intermediate value.
3470         (real_ceil): Likewise.
3471
3472 2005-01-20  Paul Brook  <paul@codesourcery.com>
3473
3474         * config/arm/arm.md (insv): Use gen_int_mode.
3475
3476 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3477
3478         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3479         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3480         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3481         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3482         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3483
3484 2005-01-20  Daniel Berlin  &