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* opt-functions.awk (flag_set_p, test_flag): New functions.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-20  Richard Sandiford  <rsandifo@redhat.com>
2
3         * opt-functions.awk (flag_set_p, test_flag): New functions.
4         (switch_flags): Use them.
5         * opth-gen.awk: Use flag_set_p to check for flags.
6         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
7
8 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9
10         * config.host (i[34567]86-*-mingw32*): Don't set
11         host_can_use_collect2 to no.
12
13 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
14
15         PR target/20203
16         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
17         Remove convert_memory_address call duplicating that in memory_address.
18
19 2005-03-29  Richard Henderson  <rth@redhat.com>
20
21         PR c/20519
22         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
23         (build_compound_literal): Likewise.  Propagate decl type into the
24         initializer.
25         (finish_decl): Likewise.  Use new return value from complete_array_type
26         for zero sized arrays.
27         (complete_array_type): Move ...
28         * c-common.c (complete_array_type): ... here.  Change first argument
29         to pointer-to-type-node.  Consistently use sizetype for the index
30         except for zero sized arrays.  Detect zero sized arrays for pedantic
31         mode diagnostics.  Create a new type node instead of modifying the
32         old node in place.
33         * c-tree.h (complete_array_type): Move decl ...
34         * c-common.h (complete_array_type): ... here.
35
36 2005-03-29  Richard Henderson  <rth@redhat.com>
37
38         PR tree-opt/19108
39         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
40
41 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
42
43         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
44         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
45         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
46         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
47
48 2005-03-29  Eric Christopher  <echristo@redhat.com>
49
50         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
51         truthvalue conversion removal.
52
53 2005-03-29  Ian Lance Taylor  <ian@airs.com>
54
55         PR bootstrap/14316
56         * collect2.c: Never include <vfork.h>.
57         (VFORK_STRING, vfork): Don't define.
58         (pid): Remove global variable.
59         (handler): Call raise instead of kill (getpid(), ...).
60         (collect_wait): Add pex parameter.  Change all callers.  Use
61         pex_get_status rather than pwait.
62         (do_wait): Add pex parameter.  Change all callers.
63         (collect_execute): Return struct pex_obj * rather than void.  Use
64         pex routines rather than pexecute.
65         (fork_execute): Get pex_obj from collect_execute, and pass it to
66         do_wait.
67         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
68         Only declare quit_handler if SIGQUIT is defined.
69         (scan_libraries): Likewise.
70         * collect2.h (collect_execute): Update declaration.
71         (collect_wait): Update declaration.
72         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
73         pass it to collect_wait.
74
75 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
76
77         PR c/20672
78         * c-parser.c (c_parser_compound_statement_nostart): Give error
79         message for EOF instead of just setting parser->error.
80
81 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
82
83         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
84         (slpeel_update_phi_nodes_for_guard1): New function.
85         (slpeel_update_phi_nodes_for_guard2): New function.
86         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
87         of slpeel_update_phi_nodes_for_guard.
88         (vectorize_loops): Remove call to loop_closed_rewrite.
89         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
90         assertion.
91
92 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
93
94         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
95         (TARGET_LITTLE_ENDIAN): New macro.
96         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
97         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
98         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
99         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
100         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
101         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
102         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
103         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
104         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
105         (TARGET_OPTIONS): Delete.
106         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
107         (CACHE_FLUSH_TRAP): Turn into an integer.
108         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
109         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
110         -mflush-trap is in use.
111         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
112         (m32r_cache_flush_trap_string): Delete.
113         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
114         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
115         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
116         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
117         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
118         -mmodel= and -msdata= handling from...
119         (m32r_init): ...here.
120         * config/m32r/m32r.opt: New file.
121
122 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
123
124         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
125         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
126         * tree-vect-analyze.c (vect_object_analysis): additional parm
127         pass back a "struct ptr_info_def *" with the points-to info.
128         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
129         statement using info returned from vect_object_analysis.
130         * tree-vect-transform.c (update_vuses_to_preheader): New function.
131         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
132         for virtual uses and defs when creating a replacement vector
133         reference.  Call duplicate_ssa_name_ptr_info to define points-to
134         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
135         (vectorizable_store): copy_virtual_operands and update
136         definition statements.
137         (vectorizable_load): copy_virtual_operands.  Remove call to
138         mark_call_clobbered_vars_to_rename for call to "const" builtin.
139         * tree-vectorizer.c (vectorize_loops): Remove calls to
140         rewrite_into_ssa and bitmap_clear (vars_to_rename).
141         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
142         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
143         define macro STMT_VINFO_PTR_INFO for use in accessing.
144         * tree.h add export of duplicate_ssa_name_ptr_info.
145         * rs6000.c (altivec_init_builtins): Declare builtin function
146         __builtin_altivec_mask_for_load to be "const".
147
148 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
149
150         PR middle-end/20622
151         * cgraph.h (struct cgraph_varpool_node): Add alias field.
152         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
153         assemble_variable on aliases.
154         * varasm.c (assemble_alias): Set node->alias.
155         * toplev.c (wrapup_global_declarations): Don't call
156         rest_of_decl_compilation on aliases again.
157
158 2005-03-29  Paul Brook  <paul@codesourcery.com>
159
160         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
161         * config/arm/arm.c (arm_dbx_register_number): New function.
162         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
163
164 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
165
166         PR middle-end/20263
167         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
168         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
169
170 2005-03-29  Dale Johannesen <dalej@apple.com>
171
172         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
173         $(TREE_H) and $(COVERAGE_H).
174         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
175         * opts.c (common_handle_option): Enable tree-based value transforms.
176         * toplev.c (process_options): Ditto.
177         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
178         refers to references to this type.
179         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
180         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
181         for may_be_more, may_be_less.
182         (rtl_gen_pow2_profiler): Adjust.
183         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
184         (rtl_gen_one_value_profiler): Adjust.
185         (rtl_gen_const_delta_profiler): Adjust.
186         * tree-profile.c (tree_gen_interval_profiler): Implement.
187         (tree_gen_pow2_profiler): Ditto.
188         (tree_gen_one_value_profiler): Ditto.
189         (tree_profiling): New.
190         (pass_tree_profile): Reference it.
191         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
192         tree.h, gcov-io.h.
193         (insn_divmod_values_to_profile): Rename to 
194         rtl_divmod_values_to_profile. Adjust.
195         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
196         (insn_prefetch_values_to_profile): Adjust.
197         (rtl_value_profile_transformations): Adjust.
198         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
199         (gen_mod_pow2): Rename to rtl_mod_pow2.
200         (gen_mod_subtract): Rename to rtl_mod_subtract.
201         (divmod_fixed_value_transform): Rename to 
202         rtl_divmod_fixed_value_transform.
203         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
204         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
205         (rtl_find_values_to_profile): Adjust.
206         (tree_value_profile_transformations): Implement.
207         (tree_divmod_values_to_profile): New.
208         (tree_values_to_profile): New.
209         (tree_divmod_fixed_value): New.
210         (tree_mod_pow2): New.
211         (tree_mod_subtract): New.
212         (tree_divmod_fixed_value_transform): New.
213         (tree_mod_pow2_value_transform): New.
214         (tree_mod_subtract_transform): New.
215         (tree_find_values_to_profile): Implement.
216         * profile.c (instrument_values):  Free histograms.
217         (compute_value_histograms): Adjust. Implement tree version.
218
219 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
220
221         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
222         * config/i386/i386.c (output_fix_trunc): Add new round_mode
223         variable.  Output "fldcw" depending on round_mode.
224         * config/i386/i386.md (UNSPEC_FIST): New.
225         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
226         New isns patterns to implement lrint and llrint built-ins as x87
227         intrinsic function.
228         (fistdi2, fist<mode>2 splitters): New splitters.
229         (lrint<mode>2): New expanders.
230
231 2005-03-28  Ian Lance Taylor  <ian@airs.com>
232
233         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
234         0 when calling final_scan_insn.
235
236 2005-03-28  Jan Hubicka  <jh@suse.cz>
237
238         PR middle-end/20635
239         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
240         as needed.
241
242         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
243         types where possible.
244
245 2005-03-26  Per Bothner  <per@bothner.com>
246
247         Make -f[no-]show-column also control non-cpp diagnostics.
248         * c.opt (fshow-column): Move option from here ...
249         * common.opt (fshow-column): ... to here.
250         * diagnostic.c (diagnostic_build_prefix): Only print column number
251         if flag_show_column.
252
253 2005-03-27  Steven Bosscher  <stevenb@suse.de>
254
255         * vax-protos.h (vax_output_int_move, vax_output_int_add,
256         vax_output_conditional_branch): New prototypes.
257         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
258         extracted from vax.md mov and add patterns.
259         (vax_output_conditional_branch): New function to output conditional
260         branch instructions.
261         * vax.md: Use mode macros for arithmetic and mov patterns.
262         Use code macros for the jump patterns.
263
264 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
265
266         * Makefile.in (libbackend.o): Depend on version files;
267         add custom generation command.
268
269 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
270
271         PR target/20636
272         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
273         sure that we have a REG before getting its REGNO.
274
275 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
276
277         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
278         * builtins.def (BUILT_IN_STRNDUP): New.
279
280 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
281
282         PR tree-optimization/20470
283         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
284         ABS(x-y).
285
286 2005-03-25  Mike Stump  <mrs@apple.com>
287
288         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
289         sized objects.
290
291 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
292
293         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
294         Use our own structure definitions.
295
296         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
297         (fix_truncdfsi2): Allow registers or memory as destination.
298         When TARGET_PPC_GFXOPT, generate simplified pattern.
299         (fix_truncdfsi2_internal): Use define_insn_and_split.
300         (fix_truncdfsi2_internal_gfxopt): New.
301         (fctiwz): Don't confuse register allocation by giving it no choices.
302         (stfiwx): New.
303         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
304         (EXTRA_MEMORY_CONSTRAINT): Likewise.
305         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New. 
306         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
307
308 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
309
310         * dominance.c (free_dominance_info): Speed up by freeing et
311         data structures without maintaining other nodes.
312         * et-forest.c (et_free_tree_force): New.
313         * et-forest.h: Add a prototype for et_free_tree_force.
314
315         * tree.c (get_set_constructor_bits,
316         get_set_constructor_bytes): Remove.
317         * tree.h: Remove the corresponding prototypes.
318
319 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
320
321         PR target/15491
322         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
323         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
324         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
325         PRE_DEC, NEG and NOT.
326
327 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
328
329         * fold-const.c: Convert uses of fold (build (...)) to
330         fold_buildN.
331
332 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
333
334         PR rtl-optimization/20249
335         * cse.c (insert_regs): Do not record equivalence of registers in
336         different modes.
337
338 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
339
340         * emit-rtl.c (reverse_comparison): Remove.
341         * rtl.h: Remove the corresponding prototype.
342
343 2005-03-24  James E Wilson  <wilson@specifixinc.com>
344
345         * doc/install.texi (--enable-altivec): Delete docs.
346
347 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
348
349         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
350         SFmode and DFmode before reload when
351         flag_unsafe_math_optimizations not enabled.
352
353 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
354
355         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
356
357         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
358         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
359
360 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
361
362         * configure.ac (enable-checking): Add 'runtime' option.
363         * doc/install.texi (enable-checking): Document 'runtime' checking.
364         * tsystem.h (gcc_assert, gcc_unreachable): Define.
365         * config.in: Regenerated.
366         * configure: Regenerated.
367
368 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
369
370         * optabs.h (enum optab_index): Remove OTI_llrint.
371         (llrint_optab): Remove macro.
372         * optabs.c (init_optabs): Remove llrint_optab initialization.
373         * genopinit.c (optabs): Remove llrint_optab implementation.
374         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
375         using lrint_optab.
376
377 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
378
379         PR rtl-optimization/20532
380         * simplify-rtx.c (simplify_binary_operation_1): Protect from
381         overflow when adding coefficients for PLUS or MINUS.
382         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
383         two as multiplier.
384
385 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
386
387         * langhooks.h (truthvalue_conversion): Remove.
388         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
389         LANG_HOOKS_TRUTHVALUE_CONVERSION.
390         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
391         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
392         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
393
394 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
395
396         * params.def: Fix a typo.
397         * config/mips/mips.c: Follow the spelling convensions.
398         * doc/invoke.texi: Fix typos.
399
400 2005-03-18  Dale Johannese  <dalej@apple.com>
401
402         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
403
404 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
405
406         Fix PR tree-optimization/20601
407
408         * tree-ssa-pre.c (insert_aux): Add missing condition to
409         constification.
410
411 2005-03-23  Ian Lance Taylor  <ian@airs.com>
412
413         * final.c (final_scan_insn): Don't remove no-op instructions.
414         * reload1.c (reload): Remove simple no-op instructions even when
415         not optimizing.
416
417 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
418  
419         PR tree-optimization/20501
420         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
421         reporting that peeling for alignment is applied moved to...
422         * (vect_analyze_data_refs_alignment): Here.
423
424 2005-03-23  Ian Lance Taylor  <ian@airs.com>
425
426         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
427
428 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
429
430         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
431         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
432
433 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
434
435         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
436         imply that this is called once, independent of asms in code.
437         Adjust to now being pased output and input lists.  Mention helper
438         function decl_overlaps_hard_reg_set_p.
439         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
440         hook_tree_tree_identity and to take three trees, returning third.
441         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
442         prototype.
443         * stmt.c: include hard-reg-set.h before tree.h.
444         (decl_overlaps_hard_reg_set_p): New function, broken out from...
445         (decl_conflicts_with_clobbers_p): Call
446         decl_overlaps_hard_reg_set_p.
447         (expand_asm_operands): Pass output and input lists in call to
448         targetm.md_asm_clobbers.
449         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
450         hook_tree_tree_tree_tree_3rd_identity.
451         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
452         parameters.
453         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
454         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
455         parameters, first two unused.
456         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
457         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
458         in constraint letters and MOF is not mentioned as a asm-declared
459         register in neither of the input and output lists.
460
461 2005-03-23  DJ Delorie  <dj@redhat.com>
462
463         * optabs.c (expand_binop): Make sure the first subword's result
464         gets stored.
465
466 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
467
468         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
469         Call c_common_truthvalue_conversion rather than
470         lang_hooks.truthvalue_conversion.
471         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
472         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
473         c-typeck.c.
474         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
475         c_common_truthvalue_conversion.
476         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
477         c_parser_conditional_expression, c_parser_binary_expression): Call
478         c_objc_common_truthvalue_conversion.
479         * c-typeck.c (build_unary_op): Call
480         c_objc_common_truthvalue_conversion.
481         (build_conditional_expr): Do not call
482         lang_hooks.truthvalue_conversion.
483         (build_binary_op): Call c_common_truthvalue_conversion.
484         (c_objc_common_truthvalue_conversion): Moved from
485         c-objc-common.c.  Call default_function_array_conversion instead
486         of default_conversion.
487
488 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
489
490         * c-common.h (default_conversion): Remove.
491         (perform_integral_promotions): Add.
492         * c-tree.h (default_conversion): Add.
493         * c-typeck.c (perform_integral_promotions): New, split out from
494         default_conversion.
495         * c-common.c (check_case_value): Use perform_integral_promotions,
496         not default_conversion.
497         (c_add_case_label): Don't continue processing case label after
498         found to be pointer.
499
500 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
501
502         * gcc.c (do_spec_1): Do not add a -L path for a directory in
503         the prefix list if we have already added a multilib directory
504         based on that path.
505         (main): Do not add MD_EXEC_PREFIX to the list of directories to
506         search with -L.
507
508 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
509
510         * reload1.c (indirect_symref_ok, reload_obstack): Make them
511         static.
512         * reload.h: Remove the prototype for indirect_symref_ok.
513
514         * reload1.c (indirect_symref_ok): Make it global.
515         * reload.h: Add a prototype for indirect_symref_ok.
516
517 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
518
519         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
520         ashlhi3 expander.
521
522 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
523
524         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
525
526 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
527
528         * c-opts.c (c_common_parse_file): Only start/end main source file
529         if debug hooks says the writer wants it.
530         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
531         member.
532         (xcoff_debug_hooks): Ditto.
533         * debug.c (do_nothing_hooks): Ditto.
534         * debug.h (gcc_debug_hooks): Ditto.
535         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
536         * sdbout.c (sdb_debug_hooks): Ditto.
537         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
538         
539 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
540
541         * doc/extend.texi: Deprecate C++ min/max operators.
542
543 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
544
545         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
546         artificial original candidates.
547
548 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
549             Jan Hubicka  <jh@suse.cz>
550             Steven Bosscher <stevenb@suse.de>
551
552         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
553         call cost based on argument sizes.
554         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
555         inlining.
556         * params.def: (max-inline-inssn-single): Set to 450.
557         (max-inline-insns-auto): Set to 90.
558         (max-inline-insns-recursive): Set to 450
559         (max-inline-insns-recursive-auto): Set to 450.
560         (large-function-insns): Set to 2700.
561         (inline-call-cost): New parameter.
562         * tree-inline.c (estimate_move_cost): New function.
563         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
564         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
565         based on arguments.
566         * tree-inline.h (estimate_move_cost): Declare.
567         * invoke.texi: (max-inline-inssn-single): Change default to 450.
568         (max-inline-insns-auto): Change default to 90.
569         (max-inline-insns-recursive): Change default to 450
570         (max-inline-insns-recursive-auto): Change default to 450.
571         (large-function-insns): Change default to 2700.
572         (inline-call-cost): Document new parameter.
573
574 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
575
576         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
577         (TARGET_DEFAULT): Delete.
578         * config/i860/i860.opt: New file.
579
580 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
581
582         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
583         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
584         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
585         (frv_sched_lookahead): Delete.
586         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
587         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
588         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
589         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
590         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
591         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
592         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
593         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
594         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
595         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
596         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
597         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
598         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
599         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
600         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
601         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
602         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
603         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
604         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
605         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
606         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
607         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
608         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
609         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
610         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
611         (frv_sched_lookahead): Delete.
612         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
613         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
614         (frv_handle_option): New function.  Move -mcpu= handling from...
615         (frv_override_options): ...here.  Remove handling of other
616         TARGET_OPTIONS.
617         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
618         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
619         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
620         and TARGET_NO_MULTI_CE.
621         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
622         !TARGET_VLIW_BRANCH.
623         * config/frv/frv.opt: New file.
624
625 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
626
627         * fold-const.c (fold_ternary): Take decomposed arguments of
628         CALL_EXPR.
629         (fold): Update a call to fold_ternary.
630
631         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
632         * tree.h: Add corresponding prototypes.
633
634 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
635
636         PR target/20561
637         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
638         between jump table and its label.
639         * final.c (shorten_branches): Handle notes in between ADDR_VEC
640         resp. ADDR_DIFF_VEC and the label preceeding it.
641         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
642         is emitted in the right section.
643
644 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
645
646         * fold-const.c (fold_unary, fold_binary): Update comments
647         about arguments.
648
649 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
650
651         PR rtl-optimization/20527
652         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
653         REG_INC note, test that the register also isn't mentioned in PRED
654         or SUCC.
655
656 2005-03-22  Ben Elliston  <bje@au.ibm.com>
657
658         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
659         and definition.
660
661 2005-03-21  Mike Stump  <mrs@apple.com>
662
663         * varasm.c (default_assemble_visibility): Remove extra ().
664
665 2005-03-21  Roger Sayle  <roger@eyesopen.com>
666
667         PR middle-end/20557
668         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
669         to determine whether a block can be duplicated, rather than test
670         whether the block contains noncopyable insns ourselves.
671
672 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
673
674         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
675         predicates.
676
677 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
678
679         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
680
681 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
682
683         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
684         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
685         * config/fr30/fr30.opt: New file.
686
687 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
688         
689         Fix PR tree-optimization/20542
690
691         * tree-flow-inline.h (overlap_subvar): Move to here.
692         * tree-ssa-operands.c: From here.
693         * tree-flow.h (overlap_subvar): Declare.
694         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
695         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
696         for variables with subvars.
697         
698 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
699
700         PR middle-end/20177
701         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
702         * modulo-sched.c (const_iteration_count): Return on NULL
703         pre-header.
704         (print_node_sched_params): Return on NULL dump_file.
705         (generate_reg_moves): Handle reg-anti dependencies and disregard
706         closing branch when generating register moves.
707         (sms_schedule): Mark the SMSed block dirty.
708         * passes.c (rest_of_handle_sms): Call update_life_info for all
709         basic-blocks.
710         * testsuite/gcc.dg/20050321-1.c: New test.
711
712 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
713
714         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
715         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
716         movqi_internal): Likewise.
717
718 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
719
720         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
721         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
722         xtensa_b4const): Delete prototypes.
723         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
724         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
725         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
726         xtensa_extra_constraint): New prototypes.
727         (add_operand, arith_operand, nonimmed_operand, mem_operand,
728         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
729         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
730         move_operand, const_float_1_operand, fpmem_offset_operand,
731         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
732         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
733         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
734         argument type to HOST_WIDE_INT.
735         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
736         xtensa_mask_immediate): Likewise.
737         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
738         Likewise.  Also make these functions static.
739         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
740         (xtensa_const_ok_for_letter_p): New.
741         (add_operand, arith_operand, nonimmed_operand, mem_operand,
742         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
743         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
744         move_operand, const_float_1_operand, fpmem_offset_operand,
745         branch_operator, ubranch_operator, boolean_operator): Move to
746         predicates.md.
747         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
748         (xtensa_mem_offset): Change return type to bool.
749         (xtensa_extra_constraint): New.
750         (gen_int_relational): Update type of const_range_p function pointer.
751         Use xtensa_b4const_or_zero.
752         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
753         xtensa_const_ok_for_letter_p.  Update comments.
754         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
755         (PREDICATE_CODES): Delete.
756         * config/xtensa/xtensa.md: Include predicates.md.
757         * config/xtensa/predicates.md: New file.
758
759 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
760
761         * config/v850/v850-protos.h: Remove the prototypes for
762         reg_or_int9_operand, reg_or_const_operand,
763         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
764         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
765         movsi_source_operand, power_of_two_operand,
766         not_power_of_two_operand, special_symbolref_operand,
767         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
768         register_is_ok_for_epilogue.
769         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
770         reg_or_int9_operand, reg_or_const_operand,
771         call_address_operand, special_symbolref_operand,
772         movsi_source_operand, power_of_two_operand,
773         not_power_of_two_operand, register_is_ok_for_epilogue,
774         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
775         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
776         predicates.md.
777         * config/v850/v850.h (PREDICATE_CODES): Remove.
778         * config/v850/v850.md: Include predicates.md.
779         * config/v850/predicates.md: New.
780
781 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
782
783         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
784         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
785         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
786         (itoolsdir, itoolsdatadir): Move definition above new first use.
787         (install-itoolsdirs): New rule.
788         (install-mkheaders): Depend on install-itoolsdirs, not
789         install-include-dir.
790
791 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
792
793         * tree-into-ssa.c: Remove obsolete comments.
794
795 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
796
797         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
798         unrolling if -fpeel-loops is specified, too.
799         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
800         Remove superfluous check for flag_unroll_loops.
801
802 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
803
804         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
805         (lrint_optab, llrint_optab): Define corresponding macros.
806         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
807         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
808         pattern and llrint_optab using llrintdi2 patterns.
809         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
810         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
811         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
812         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
813         flag_unsafe_math_optimizations is set.
814
815 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
816
817         * combine.c (combine_simplify_rtx, simplify_if_then_else,
818         simplify_logical, if_then_else_cond, known_cond,
819         simplify_comparison): Adjust calls to reverse_comparison.
820         Don't use combine_reversed_comparison_code).
821         (combine_reversed_comparison_code): Remove.
822         (reversed_comparison): Using reversed_comparison_code, move it...
823         * jump.c (reversed_comparison): ... here.
824         * rtl.h (reversed_comparison): Add prototype.
825
826 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
827
828         * builtins.c (fold_builtin): Take decomposed arguments of
829         CALL_EXPR.
830         * fold-const.c (fold_ternary): Update a call to fold_builtin.
831         * gimplify.c (gimplify_call_expr): Likewise.
832         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
833         * tree.h: Update the prototype of fold_builtin.
834
835 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
836
837         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
838         * rtlhooks.c (gen_lowpart_no_emit_general): New.
839         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
840         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
841         * simplify-rtx.c (simplify_binary_operation_1): Use it.
842
843 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
844
845         * builtins.c (fold_builtin_1): Take decomposed arguments of
846         CALL_EXPR.
847         (fold_builtin): Update a call to fold_builtin_1.
848
849 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
850
851         PR other/20564
852         * gcov.c (output_lines): Only output function block summary when
853         outputting branch information.
854         * doc/gcov.texi: Document format of preamble and additional block
855         information lines.
856
857 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
858
859         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
860         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
861         the defaults false if BITS_PER_UNIT != 8.
862         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
863         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
864         than BITS_PER_UNIT != 8.
865         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
866         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
867         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
868         #undefs.
869         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
870         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
871
872 2005-03-20  Roger Sayle  <roger@eyesopen.com>
873
874         PR middle-end/20539
875         * fold-const.c (fold_binary): Fix type mismatch between
876         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
877         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
878         for non-truth-valued expressions.
879
880         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
881         and FUNCTION_DECL in the main switch.
882         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
883         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
884         we also need to convert their operands to match.
885         <TRUTH_NOT_EXPR>: Likewise.
886
887 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
888
889         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
890         diagnostic without checking whether an lvalue.
891         * c-common.h (lvalue_p): Remove.
892         (enum lvalue_use): Update comment.
893         (lvalue_or_else): Replace by lvalue_error.
894         * c-typeck.c (lvalue_p): Make static.
895         (lvalue_or_else): New.  Call lvalue_error.
896
897 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
898
899         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
900         (function_arg_advance): Use rs6000_parm_start.
901         (function_arg, rs6000_arg_partial_bytes): Likewise.
902
903 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
904
905         * c-common.c (check_case_value): Adjust comment about stripping
906         NOPs.
907         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
908         * c-typeck.c (default_conversion, convert_arguments,
909         build_modify_expr, convert_for_assignment, store_init_value,
910         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
911         manually.  Remove inaccurate comments.
912
913 2005-03-20  Roger Sayle  <roger@eyesopen.com>
914             Joseph S. Myers  <joseph@codesourcery.com>
915
916         * varasm.c (do_assemble_alias): Restore comment describing function.
917         Annotate the target parameter as potentially unused.
918
919 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
920
921         PR target/18551
922         * config/avr/avr.c (avr_output_function_prologue): Do not use
923         current_function_name() in a label, use a local label instead.
924
925 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
926
927         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
928         flag_finite_math_only, not flag_unsafe_math_optimizations.
929
930 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
931
932         * builtins.c (fold_builtin_1): Update a call to
933         targetm.fold_builtin.
934         * hooks.c (hook_tree_tree_bool_null): Rename to
935         hook_tree_tree_tree_bool_null.  Take one more argument of type
936         tree.
937         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
938         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
939         hook_tree_tree_tree_bool_null.
940         * target.h (gcc_target): Update the prototype of fold_builtin.
941         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
942         arguments of CALL_EXPR.
943         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
944         new prototype.
945
946 2005-03-20  Jan Hubicka  <jh@suse.cz>
947
948         * cgraph.h (cgraph_node): Add prev_clone pointer.
949         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
950         (cgraph_clone_node): Produce doubly linked chain.
951
952 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
953
954         * c-common.c (handle_aligned_attribute, check_function_sentinel,
955         get_nonnull_operand, handle_sentinel_attribute,
956         check_function_arguments_recurse): Do not strip NOPS from
957         INTEGER_CSTs.
958         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
959         Likewise.
960         * c-format.c (get_constant): Likewise.
961         * c-parser.c (c_parser_postfix_expression): Likewise.
962         * c-typeck.c (set_init_index): Likewise.
963         (convert_arguments): Don't check for NOP_EXPR containing integer
964         constant.
965
966 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
967
968         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
969         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
970         Take decomposed arguments of CALL_EXPR.
971         (fold_builtin_1): Update calls to the functions mentioned
972         above.
973
974 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
975
976         * c-decl.c (check_bitfield_type_and_width): Require bit-field
977         width to have integer type.
978         (build_enumerator): Require enumerator value to have integer type.
979
980 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
981
982         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
983         to __builtin_inff.
984
985 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
986
987         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
988         std=iso9899:199x): Correct descriptions.
989
990 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
991
992         * config.gcc: Consistently use solaris2.1[0-9]* instead of
993         solaris2.1[0-9].
994
995 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
996
997         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
998         of CALL_EXPR.
999         (expand_builtin_memcpy, fold_builtin_1): Update calls to
1000         fold_builtin_memcpy.
1001
1002         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
1003         arguments of CALL_EXPR.
1004         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
1005         fold_builtin_found, fold_builtin_1): Update calls to
1006         fold_trunc_transparent_mathfn.
1007
1008 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1009
1010         PR middle-end/20493
1011         * fold-const.c (fold_widened_comparison): Don't optimize casts of
1012         function pointers on targets that require function pointer
1013         canonicalization.
1014         (fold_sign_changed_comparison): Likewise.
1015
1016 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1017
1018         * combine.c (try_combine): When changing the mode of a hard reg, make
1019         sure that doing so is valid.
1020
1021 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
1022
1023         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
1024         (TARGET_HANDLE_OPTION): Override default.
1025         (avr_handle_option): New function.
1026         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
1027         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
1028         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
1029         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
1030         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
1031         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
1032         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
1033         (TARGET_OPTIONS): Delete.
1034         * config/avr/avr.opt: New file.
1035
1036 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1037
1038         * config/m32r/m32r-protos.h: Remove the prototypes for
1039         call_address_operand, symbolic_operand, seth_add3_operand,
1040         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1041         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1042         two_insn_const_operand, move_src_operand,
1043         move_double_src_operand, move_dest_operand,
1044         eqne_comparison_operator, signed_comparison_operator,
1045         large_insn_p, conditional_move_operand, carry_compare_operand,
1046         m32r_block_immediate_operand, extend_operand,
1047         reg_or_eq_int16_operand, int8_operand, and
1048         reg_or_zero_operand.
1049         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1050         seth_add3_operand, int8_operand, cmp_int16_operand,
1051         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1052         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1053         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1054         move_double_src_operand, move_dest_operand,
1055         eqne_comparison_operator, signed_comparison_operator,
1056         extend_operand, small_insn_p, large_insn_p,
1057         conditional_move_operand, carry_compare_operand,
1058         m32r_block_immediate_operand): Move to predicates.md.
1059         (MAX_MOVE_BYTES): Move to m32r.h.
1060         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1061         * config/m32r/m32r.md: Include predicates.md.
1062         * config/m32r/predicates.md: New.
1063
1064 2005-03-18  James E Wilson  <wilson@specifixinc.com>
1065
1066         PR c++/19769
1067         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
1068         origin.
1069
1070 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1071
1072         * config/mn10300/mn10300-protos.h: Remove the prototypes for
1073         call_address_operand, const_8bit_operand.
1074         * config/mn10300/mn10300.c (call_address_operand,
1075         const_8bit_operand, const_1f_operand): Move to predicates.md.
1076         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
1077         * config/mn10300/mn10300.md: Include predicates.md.
1078         * config/mn10300/predicates.md: New.
1079
1080 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
1081
1082         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
1083         declarations in diagnostics and %E for identifiers, not %s.
1084
1085 2005-03-18  Jan Hubicka  <jh@suse.cz>
1086             Dale Johannesen  <dalej@apple.com>
1087
1088         * basic-block.h (scale_bbs_frequencies_int,
1089         scale_bbs_frequencies_gcov_type): Declare.
1090         * cfg.c (RDIV): New macro.
1091         (update_bb_frequency_for_threading): Fix.
1092         * basic-block.h (scale_bbs_frequencies_int,
1093         scale_bbs_frequencies_gcov_type): New.
1094         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
1095         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
1096         scale_bbs_frequencies_int.
1097         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
1098
1099 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1100
1101         * config/m32r/m32r-protos.h: Remove the prototypes for
1102         call_address_operand, symbolic_operand, seth_add3_operand,
1103         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1104         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1105         two_insn_const_operand, move_src_operand,
1106         move_double_src_operand, move_dest_operand,
1107         eqne_comparison_operator, signed_comparison_operator,
1108         large_insn_p, conditional_move_operand, carry_compare_operand,
1109         m32r_block_immediate_operand, extend_operand,
1110         reg_or_eq_int16_operand, int8_operand, and
1111         reg_or_zero_operand.
1112         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1113         seth_add3_operand, int8_operand, cmp_int16_operand,
1114         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1115         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1116         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1117         move_double_src_operand, move_dest_operand,
1118         eqne_comparison_operator, signed_comparison_operator,
1119         extend_operand, small_insn_p, large_insn_p,
1120         conditional_move_operand, carry_compare_operand,
1121         m32r_block_immediate_operand): Move to predicates.md.
1122         (MAX_MOVE_BYTES): Move to m32r.h.
1123         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1124         * config/m32r/m32r.md: Include predicates.md.
1125         * config/m32r/predicates.md: New.
1126
1127         * config/pa/pa-protos.h: Add prototypes for magic_milli and
1128         shadd_constant_p.
1129         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
1130         symbolic_operand, symbolic_memory_operand,
1131         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
1132         indexed_memory_operand, move_dest_operand, move_src_operand,
1133         prefetch_cc_operand, prefetch_nocc_operand,
1134         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
1135         arith_operand, arith11_operand, pre_cint_operand,
1136         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
1137         ireg_operand, int5_operand, uint5_operand, int11_operand,
1138         uint32_operand, arith5_operand, and_operand, ior_operand,
1139         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
1140         pc_or_label_operand, div_operand, plus_xor_ior_operator,
1141         shadd_operand, movb_comparison_operator,
1142         cmpib_comparison_operator): Move to predicates.md.
1143         (magic_milli, shadd_constant_p): Make it extern.
1144         * config/pa/pa.h (PREDICATE_CODES): Remove.
1145         * config/pa/pa.md: Include predicates.md.
1146         * config/pa/predicates.md: New.
1147
1148         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
1149         predicate.
1150
1151 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1152
1153         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
1154         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1155         config/alpha/freebsd.h, config/alpha/linux.h,
1156         config/alpha/netbsd.h, config/alpha/osf5.h,
1157         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
1158         config/h8300/h8300-protos.h, config/h8300/h8300.c,
1159         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
1160         doc/cppopts.texi: Update copyright.
1161
1162 2005-03-18  Jan Hubicka  <jh@suse.cz>
1163
1164         PR middle-end/20225
1165         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
1166         too late.
1167         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
1168         called too late.
1169
1170 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1171
1172         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
1173         VEC_safe_push.
1174
1175 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
1176
1177         * combine.c (gen_binary): Remove.
1178         (known_cond, simplify_shift_const, find_split_point,
1179         combine_simplify_rtx, simplify_if_then_else, simplify_set,
1180         simplify_logical, expand_field_assignment, extract_left_shift,
1181         force_to_mode, if_then_else_cond, apply_distributive_law,
1182         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
1183         simplify_comparison, reversed_comparison): Replace with
1184         simplify_gen_binary, simplify_gen_relational or
1185         distribute_and_simplify_rtx.
1186         (distribute_and_simplify_rtx): New function.
1187
1188 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
1189             Paolo Bonzini  <gcc.gnu.org>
1190
1191         * calls.c (setjmp_call_p, special_function_p): Update comments
1192         at the head of the functions.
1193
1194 2005-03-18  Jan Hubicka  <jh@suse.cz>
1195
1196         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
1197
1198         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
1199         function body should be released; do not proactively release function
1200         bodies in non-unit-at-a-time mode.
1201
1202 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
1203
1204         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
1205         mno-fp-ret-in-387 multilib variants.
1206
1207 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
1208
1209         * common.opt (m): Remove.
1210         * opts.c (handle_option): Pass 'm' options to set_target_switch if
1211         table lookup fails.
1212         (common_handle_option): Remove OPT_m case.
1213
1214 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1215
1216         * builtins.c (fold_builtin_bitop): Take decomposed arguments
1217         of CALL_EXPR.
1218         (fold_builtin_1): Update a call to fold_builtin_bitop.
1219
1220         * builtins.c (fold_builtin_signbit): Take decomposed arguments
1221         of CALL_EXPR.
1222         (fold_builtin_1): Update a call to fold_builtin_signbit.
1223
1224 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
1225
1226         PR tree-optimization/20474
1227         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
1228         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
1229
1230 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1231
1232         * config/h8300/h8300-protos.h: Remove prototypes for
1233         general_operand_src, general_operand_dst, single_one_operand,
1234         single_zero_operand, call_insn_operand,
1235         two_insn_adds_subs_operand, small_call_insn_operand,
1236         jump_address_operand, bit_operand, bit_memory_operand,
1237         stack_pointer_operand, const_int_gt_2_operand,
1238         const_int_ge_8_operand, const_int_qi_operand,
1239         const_int_hi_operand, incdec_operand, bit_operator,
1240         nshift_operator, eqne_operator, gtle_operator,
1241         gtuleu_operator, iorxor_operator.
1242         Add prototypes for h8sx_shift_type h8sx_classify_shift and
1243         h8300_ldm_stm_parallel.
1244         * config/h8300/h8300.c (h8sx_shift_type,): Move to
1245         h8300-protos.h.
1246         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1247         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1248         (h8300_ldm_stm_parallel): Make it extern.
1249         (h8300_ldm_parallel, h8300_stm_parallel,
1250         h8300_return_parallel, general_operand_src,
1251         general_operand_dst, h8300_dst_operand, h8300_src_operand,
1252         nibble_operand, reg_or_nibble_operand, single_one_operand,
1253         single_zero_operand, call_insn_operand,
1254         two_insn_adds_subs_operand, small_call_insn_operand,
1255         jump_address_operand, bit_operand, bit_memory_operand,
1256         stack_pointer_operand, const_int_gt_2_operand,
1257         const_int_ge_8_operand, const_int_qi_operand,
1258         const_int_hi_operand, incdec_operand, eqne_operator,
1259         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1260         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1261         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1262         nshift_operator): Move to predicates.md.
1263         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1264         * config/h8300/h8300.md: Include predicates.md.
1265         * config/h8300/predicates.md: New.
1266
1267 2005-03-17  Richard Henderson  <rth@redhat.com>
1268
1269         * config.gcc (ia64*-*-hpux*): Add extra_options.
1270         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1271         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1272         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1273         (ia64_tls_size_string, ia64_tune_string): Remove.
1274         (ia64_tune): Init to PROCESSOR_ITANIUM2.
1275         (TARGET_DEFAULT_TARGET_FLAGS): New.
1276         (TARGET_HANDLE_OPTION): New.
1277         (ia64_override_options): Move options parsing ...
1278         (ia64_handle_option): ... here.  New.
1279         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1280         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1281         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1282         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1283         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1284         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1285         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1286         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1287         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1288         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1289         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1290         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1291         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1292         TARGET_EARLY_STOP_BITS): Remove.
1293         (TARGET_ILP32): Default false.
1294         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1295         (enum ia64_inline_type): New.
1296         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1297         * config/ia64/ia64.md: Update for new definitions of
1298         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1299         * config/ia64/ia64.opt: New file.
1300         * config/ia64/ilp32.opt: New file.
1301
1302 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1303
1304         PR target/18380
1305         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1306
1307 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1308
1309         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1310         instead of MASK_H8300S.
1311         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1312         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1313         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1314         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1315         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1316         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1317         TARGET_SWITCHES): Remove.
1318         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1319         TARGET_H8300SX.
1320         * config/h8300/h8300.opt: New.
1321
1322         * config/alpha/alpha.opt, config/arc/arc.opt,
1323         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1324         notices.
1325
1326 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1327
1328         * gmon.c: Remove.
1329
1330 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1331
1332         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1333         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1334         (TARGET_HANDLE_OPTION): Override default.
1335         (arc_handle_option): New function.
1336         (arc_init): Remove code to set arch_cpu_string.
1337         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1338         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1339         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1340         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1341         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1342         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1343         (arc_rodata_string, TARGET_OPTIONS): Delete.
1344         * config/arc/arc.opt: New file.
1345
1346 2005-03-17  Richard Henderson  <rth@redhat.com>
1347
1348         * doc/extend.texi (Weak Pragmas): New section.
1349         (attribute alias): Clarify that target must be in the same
1350         translation unit.
1351
1352 2005-03-17  Richard Henderson  <rth@redhat.com>
1353
1354         * config/alpha/alpha.opt: New file.
1355         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1356         of alpha_cpu.
1357         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1358         alpha_fprm_string, alpha_fptm_string): Make static.
1359         (alpha_tls_size_string): Remove.
1360         (alpha_handle_option): New.
1361         (override_options): Update for alpha_cpu/alpha_tune split.
1362         (alpha_file_start): Likewise.
1363         (TARGET_DEFAULT_TARGET_FLAGS): New.
1364         (TARGET_HANDLE_OPTION): New.
1365         * config/alpha/alpha.h (alpha_tune): Declare.
1366         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1367         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1368         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1369         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1370         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1371         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1372         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1373         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1374         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1375         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1376         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1377         (TARGET_DEFAULT): Remove MASK_FP.
1378         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1379         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1380         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1381         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1382         alpha_tls_size_string): Remove.
1383         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1384         (attribute tune): Rename from attribute cpu.
1385         * config/alpha/ev4.md: Update to match.
1386         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1387         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1388         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1389         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1390         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1391         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1392
1393 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1394
1395         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1396         and return without creating new state if before_nops_num is nonzero.
1397         * config/ia64/ia64.md (first_insn): New attribute.
1398         (alloc): Set it to yes.
1399
1400 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1401
1402         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1403         STMT_VINFO_SUBVARS to NULL.
1404         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1405
1406 2005-03-16 Dale Johannesen  <dalej@apple.com>
1407
1408         * rtlanal.c (find_first_parameter_load):  Rewrite to
1409         return actual first param load or the call if none,
1410         instead of first in block, when not all loads exist.
1411
1412 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1413
1414         * optabs.c (expand_copysign_absneg): Make static.
1415         * optabs.h (expand_copysign_absneg): Delete prototype.
1416         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1417
1418 2005-03-16  Richard Henderson  <rth@redhat.com>
1419
1420         PR middle-end/15700
1421         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1422         (alias_pairs): Rename from output_defs.
1423         (find_decl_and_mark_needed): Split out from assemble_alias.
1424         (do_assemble_alias): New.
1425         (assemble_output_def): Remove.
1426         (finish_aliases_1, finish_aliases_2): New.
1427         (process_pending_assemble_output_defs): Remove.
1428         (assemble_alias): Defer aliases for which we don't yet have a
1429         non-external decl for the target symbol.
1430         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1431         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1432         * toplev.c (compile_file): Use finish_aliases_2 instead of
1433         process_pending_assemble_output_defs.
1434         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1435         (process_pending_assemble_output_defs): Remove.
1436
1437 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1438
1439         Fix PR tree-optimization/20489
1440
1441         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1442         for empty structures.
1443
1444 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1445
1446         Fix PR tree-optimization/20490
1447
1448         * tree-ssa-pre.c (create_expression_by_pieces): Use
1449         force_gimple_operand on result of fold.
1450
1451 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1452
1453         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1454         of closing parenthesis.
1455
1456 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1457
1458         * builtins.c (expand_movstr): Update a call to
1459         fold_builtin_strcpy.
1460         (expand_builtin_strncpy): Update a call to
1461         fold_builtin_strncpy.
1462         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1463         arguments of CALL_EXPR.
1464         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1465         fold_builtin_strncpy.
1466         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1467         * tree.h: Update the prototypes of fold_builtin_strcpy and
1468         fold_builtin_strncpy.
1469
1470 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1471             Dorit Naishlos  <dorit@il.ibm.com>
1472
1473         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1474         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1475         error.
1476
1477 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1478
1479         * tree-inline.c (walk_type_fields, walk_tree,
1480         walk_tree_without_duplicates): Move from here...
1481         * tree.c: ...to here.
1482
1483 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1484
1485         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1486         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1487         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1488         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1489         (version): Define using $(BASEVER_c).
1490         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1491         version.c.
1492         (version.o): Depend on version files; add custom generation command.
1493         (prefix.o): Define BASEVER on command line.
1494         (s-iov): Depend on version files; adjust command.
1495         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1496         Add gcc-vers.texi.
1497         (gcc-vers.texi): New rule.
1498         (doc/%.info, doc/%.dvi): Add -I . to command line.
1499         (doc/gccinstall.dvi): Likewise.
1500         (PACKAGE): Delete.  All uses replaced with "gcc".
1501         * aclocal.m4: Do not include gcc-version.m4.
1502         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1503         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1504         Set is_release based on contents of DEV-PHASE.
1505         Set gcc_version based on contents of BASE-VER.
1506         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1507         * config.in, configure: Regenerate.
1508         * gccbug.in: Determine version of GCC in use at runtime.
1509         * gcov-iov.c: Get version number and development phase from
1510         command line, not by including version.c.
1511         * intl.c: Replace all uses of PACKAGE with "gcc".
1512         * libada-mk.in: Delete unused "gcc_version" variable.
1513         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1514         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1515         commentary to match.
1516         (version_string): Put together from pieces.
1517         * config/alpha/x-vms: Do not use $(gcc_version).
1518         * config/i386/t-nwld: Likewise.
1519         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1520         version-GCC and DEVELOPMENT.
1521
1522 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1523
1524         PR tree-optimization/17454
1525         * tree.c (tree_size): Add case for TREE_BINFO.
1526         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1527         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1528
1529 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1530
1531         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1532         op1 whilst expanding the signed widenening multiply variant.
1533
1534 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1535
1536         * toplev.c (display_target_options): Avoid unused variable warning if
1537         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1538         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1539         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1540         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1541         (mips_isa_info): New variable.
1542         (mips_parse_cpu): Remove the first argument and leave the caller
1543         to report errors.
1544         (TARGET_HANDLE_OPTION): Override default.
1545         (mips_handle_option): New function.  Move option validation code from...
1546         (override_options): ...here.  Update calls to mips_parse_cpu.
1547         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1548         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1549         (SUBTARGET_TARGET_OPTIONS): Delete.
1550         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1551         (mno-flush-func, mtune=): New options.
1552
1553 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1554             Richard Henderson  <rth@redhat.com>
1555
1556         * real.c (c4x_single_format, c4x_extended_format): Provide values
1557         for signbit_ro for c4x's single and extended floating point formats.
1558         * optabs.c (expand_copysign): Use the floating point format's
1559         signbit_ro for expanding via expand_copysign_absneg, and it's
1560         signbit_rw field for expanding via expand_copysign_bit.
1561
1562 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1563
1564         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1565         known_alignment_for_access_p.
1566         (known_alignment_for_access_p): New.
1567         (do_peeling_for_alignment): Field made int instead of bool and renamed
1568         to peeling_for_alignment.
1569         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1570         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1571         functionality used to be in vect_analyze_operations.
1572         (vect_analyze_operations): Code to determine vectorization factor was
1573         moved to vect_determine_vectorization_factor.
1574         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1575         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1576         factor.
1577         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1578         be part of vect_analyze_operations).
1579         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1580         creating the guard condition, as the number of iterations may be
1581         constant.
1582         (slpeel_tree_peel_loop_to_edge): Use new name of
1583         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1584         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1585         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1586         (vect_do_peeling_for_alignment): Use fold.
1587         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1588
1589         (vect_update_inits_of_dr): Renamed to
1590         vect_update_init_of_dr.
1591         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1592         (vectorizable_store): Fix assertion to use == instead of =.
1593
1594 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1595
1596         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1597         call_used_regs for wCG registers.
1598
1599 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1600
1601         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1602         for non-offsettable memory references to cope with outstanding reload
1603         replacements, take 2.
1604
1605 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1606
1607         PR target/18668
1608         * config/i386/i386.h (x86_fisttp): New.
1609         (TARGET_FISTTP): New macro.
1610         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1611         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1612         instruction when fisttp flag is set.
1613         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1614
1615         * config/i386/i386.md (type attribute): Add fisttp.
1616         (unit attribute): Set to i387 for fisttp type.
1617         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1618         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1619         TARGET_FISTTP.
1620         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1621         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1622         macros.
1623         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1624         patterns for TARGET_FISTTP.  Enable patterns for
1625         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1626         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1627         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1628         implement fisttp x87 insn.
1629         (fix_trunc*_i387_fisttp splitters): New patterns.
1630         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1631         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1632         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1633         clobber.
1634         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1635         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1636         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1637         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1638         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1639         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1640         Disable patterns for TARGET_FISTTP.
1641         (fix_trunc*_i387 splitters): Implement usign mode macros.
1642         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1643         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1644         (fix_trunx*_sse peephole2s): Implement using mode macros.
1645
1646 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1647
1648         PR rtl-optimization/20291
1649         * combine.c (try_combine): If splitting fails, re-try with
1650         original combined pattern, i.e. before clobber stripping.
1651
1652 2005-03-14  Eric Christopher  <echristo@redhat.com>
1653
1654         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1655         STACK_GROWS_DOWNWARD.
1656
1657 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1658
1659         * real.h (struct real_format): Split the signbit field into two
1660         two fields, signbit_ro and signbit_rw.
1661         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1662         mips_double_format, ieee_extended_motorola_format,
1663         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1664         ieee_extended_intel_128_format, ibm_extended_format,
1665         mips_extended_format, ieee_quad_format, mips_quad_format,
1666         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1667         i370_double_format, c4x_single_format, c4x_extended_format,
1668         real_internal_format): Update initializers for new field.
1669         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1670         real_format structure.
1671         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1672         field of the real_format structure.
1673
1674 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1675
1676         Fix PR tree-optimization/20458
1677
1678         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1679         DECL_EXTERNAL on STRUCT_FIELD tags.
1680         (clear_call_clobbered): Ditto.
1681         * tree-ssa-operands.c (note_addressable): Make sure the original
1682         variable doesn't slip into the addressable list if we have
1683         subvars.
1684         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1685         tags too.
1686
1687 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1688
1689         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1690         (-fwide-exec-charset): Likewise.
1691         (-finput-charset): Likewise.
1692         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1693         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1694         * c.opt (Wnormalized): New.
1695
1696 2005-03-14  Devang Patel  <dpatel@apple.com>
1697
1698         * doc/invoke.texi: Add reference to Visibility document.
1699
1700 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1701
1702         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1703         MASK_SPLIT_ADDRESSES.
1704         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1705         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1706         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1707         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1708         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1709         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1710         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1711         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1712         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1713         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1714         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1715         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1716         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1717         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1718         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1719         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1720         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1721         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1722         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1723         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1724         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1725         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1726         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1727         (TARGET_EXPLICIT_RELOCS): Delete.
1728         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1729         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1730         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1731         (override_options): Set MASK_LONG64 if -mint64 is given and no
1732         -mlongXX option is.  Complain about -mint64 -mlong32.
1733         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1734         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1735         * config/mips/mips.opt: New file.
1736
1737 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1738
1739         * config.gcc (extra_options): New variable for listing option files.
1740         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1741         * configure.ac (extra_opt_files): New AC_SUBST variable.
1742         (tm_file_list, tm_include_list): Include options.h first.
1743         * configure: Regenerate.
1744         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1745         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1746         (s-options-h): New rule.
1747         (options.h): Depend on it.
1748         (TEXI_GCCINT_FILES): Add options.texi.
1749         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1750         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1751         * target.h (gcc_target): Add default_target_flags and handle_option.
1752         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1753         (TARGET_HANDLE_OPTION): New macros.
1754         (TARGET_INITIALIZER): Include them.
1755         * opt-functions.awk (opt_args, nth_arg): New functions.
1756         (switch_flags): Handle the "Target" flag.
1757         (var_args): Delete.
1758         (var_name): Use opt_args and nth_arg.
1759         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1760         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1761         macros for the "Mask" and "InverseMask" options.
1762         * opts.h (cl_var_cond): New enum.
1763         (cl_option): Replace the "has_set_value" and "set_value" fields with
1764         "var_cond" and "var_value".
1765         (CL_TARGET): New macro.
1766         (option_enabled, print_filtered_help): Declare.
1767         (decode_options): Move definition.
1768         * opts.c (handle_option): Search for the original option before
1769         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1770         var_cond and var_value fields.  Use targetm.handle_option to handle
1771         target options.
1772         (decode_options): Set target_flags to targetm.default_target_flags.
1773         (print_filtered_help): Make global.  Handle CL_TARGET.
1774         (option_enabled): New function.
1775         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1776         (display_target_options, set_target_switch, print_switch_values)
1777         (default_pch_valid_p): Guard uses of target_switches with
1778         #ifdef TARGET_SWITCHES.  Also...
1779         (display_target_options): Display the CL_TARGET entries in cl_options.
1780         (set_target_option): Don't complain about the "" option when
1781         TARGET_SWITCHES is undefined.
1782         (print_switch_values): Use option_enabled.
1783         (default_pch_valid_p): Check cl_options[] when looking for something
1784         that has changed the value of target_flags.
1785         * c.opt: Remove documentation from top of file.
1786         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1787         * doc/sourecebuild.texi: Refer to the new options documentation
1788         instead of c.opt.  Document machine-specific .opt files.
1789         * doc/tm.texi (target_flags): Say that this variable is declared
1790         by options.h.
1791         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1792         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1793         an alternative.
1794         * doc/options.texi: New file.
1795
1796 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1797
1798         PR middle-end/18628
1799         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1800         register.
1801
1802 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1803
1804         PR c++/20280
1805         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1806         temporary variable of pointer type if an lvalues is required.
1807         (gimplify_modify_expr_rhs): Request an rvalue from it.
1808         (gimplify_expr): Pass fallback on.
1809
1810 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1811
1812         * cfgbuild.c: Update comments.
1813
1814 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1815
1816         PR rtl-optimization/17236
1817         * optabs.c (expand_doubleword_mult): New helper function split out
1818         from expand_binop.  Permute the order in which instructions are
1819         emitted to minimize the number of simultaneously live registers.
1820         (expand_binop): Call expand_doubleword_mult to synthesize a double
1821         word multiplication.
1822
1823 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1824
1825         * basic-block.h: Update the prototypes of cached_make_edge and
1826         rtl_make_eh_edge.
1827         * cfg.c (cached_make_edge): Take edge_cache representing one
1828         row of the adjacency matrix of edges.
1829         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1830         (make_edges): Initialize edge_cache to represent one row of
1831         the adjacency matrix of edges.
1832
1833 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1834
1835         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1836         New functions.
1837         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1838         Remove unused removed_phis variable.
1839         (conditional_replacement): Use build1/build2.
1840         (abs_replacement): Use last_and_only_stmt and build1/build2.
1841
1842 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1843
1844         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1845         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1846         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1847         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1848         * c-common.c (handle_novops_attribute): New function.
1849         (c_common_attribute_table): Add "no vops" entry.
1850         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1851         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1852         * tree-ssa-operands.c (get_call_expr_operands): Do not
1853         create virtual operands for calls with ECF_NOVOPS flag.
1854         * tree.h (DECL_IS_NOVOPS): New macro.
1855         (struct tree_decl): Add novops_flag.
1856         (ECF_NOVOPS): New constant.
1857
1858 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1859
1860         PR target/17688
1861         * config/i386/i386.c (x86_use_himode_fiop): New.
1862         (x86_use_simode_fiop): Rename from x86_use_fiop.
1863         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1864         (TARGET_USE_HIMODE_FIOP): New.
1865         (x86_use_simode_fiop): Rename from x86_use_fiop.
1866         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1867
1868         * config/i386/i386.md (X87MODEI12): New mode macro define.
1869         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1870         to implement x87 FP compare with HImode input operands.
1871         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1872         Use X87MODEI12 mode macro to handle HImode input operands.
1873         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1874         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1875         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1876         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1877         macro to implement x87 operators with HImode input operands.
1878         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1879         input operands.
1880
1881 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1882
1883         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1884         integer_zerop.
1885         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1886         constants invariant.
1887
1888 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1889
1890         * basic-block.h (BB_VISITED): Removed.
1891         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1892
1893 2005-03-14  Falk Hueffner  <falk@debian.org>
1894
1895         PR bootstrap/20424
1896         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1897
1898 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1899
1900         * ggc-zone.c: Fix comment typos.
1901
1902         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1903         stringpool.c, config/mips/mips-protos.h: Update copyright.
1904
1905 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1906
1907         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1908         throughout with its typedef, "rtx".
1909         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1910         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1911         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1912         regs in comment to match code.
1913
1914 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1915
1916         * except.c (check_handled): Make it static.
1917         * except.h: Remove the corresponding prototype.
1918
1919         * function.c (get_func_frame_size): Make it static.
1920         * function.h: Remove the corresponding type.
1921
1922         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1923         Make them static.
1924         * hard-reg-set.h: Remove the corresponding declarations.
1925
1926         * tree-cfg.c (verify_stmts): Check that
1927         bb_for_stmt (stmt) == bb for every PHI node and statement.
1928
1929 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1930
1931         * config.gcc: Remove excess indentation.
1932         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1933
1934 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1935
1936         PR middle-end/19331
1937         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1938         * fold-const.c (fold_sign_changed_comparison): Likewise.
1939         (fold_binary): Optimize comparisons against widened operands if
1940         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1941
1942 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1943
1944         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1945         (sparc_override_options): Initialize it.
1946         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1947
1948 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1949
1950         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1951         (reg_or_none500mem_operand): New predicate.
1952         (zero_reg_mem_operand): New predicate.
1953         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1954         to reg_or_none500mem_operand.
1955         (extendsfdf2_fpr): Add MEM alternative.
1956         (extenddftf2_internal): Change operand2 predicate to
1957         zero_reg_mem_operand.
1958
1959 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1960
1961         * ggc-zone.c: Rewritten.
1962
1963         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1964         if there are none.
1965         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1966         * config.in: Regenerated.
1967         * configure: Regenerated.
1968         * gengtype.c (write_types_process_field, write_func_for_structure):
1969         Pass new argument to gt_pch_note_object.
1970         * ggc-common.c (struct ptr_data): Add TYPE.
1971         (gt_pch_note_object): Take TYPE argument and save it.
1972         (call_count): Update call to ggc_pch_count_object.
1973         (call_alloc): Update call to ggc_pch_alloc_object.
1974         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1975         file.
1976         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1977         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1978         (ggc_alloc_zone_stat): Delete.
1979         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1980         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1981         (ggc_pch_alloc_object): Update prototypes.
1982         (garbage_zone): Delete.
1983         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1984         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1985         pointers.
1986         (tree_id_zone): New variable.
1987         (ggc_alloc_cleared_zone): Remove unused.
1988         (ggc_alloc_zone): Define.
1989         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1990         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1991         ggc_alloc_zone_stat.
1992         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1993         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1994         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1995         (make_node_stat): Likewise.  Use tree_id_zone.
1996
1997 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1998             Joseph S. Myers  <joseph@codesourcery.com>
1999
2000         * configure.ac: Check for MIPS TLS.
2001         * configure: Regenerated.
2002         * config/mips/mips-protos.h (enum mips_symbol_type): Add
2003         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
2004         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
2005         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
2006         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
2007         (mips_classify_symbol, mips_symbolic_constant_p)
2008         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
2009         (mips_tls_operand_p, mips_call_tls_get_addr)
2010         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
2011         (mips_tls_symbol_ref_1): New functions.
2012         (mips_legitimize_address, mips_legitimize_const_move): Call
2013         mips_legitimize_tls_address.
2014         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
2015         for MIPS16.
2016         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
2017         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
2018         (mips_char_to_class): Document V1_REG.
2019         (HAVE_AS_TLS): Provide default.
2020         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
2021         constants.
2022         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
2023         !TARGET_ABICALLS.
2024         (tls_get_tp_<mode>): New instruction.
2025
2026 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2027
2028         * configure.ac: Update checks for target tools.
2029         * configure: Regenerated.
2030
2031 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2032
2033         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
2034
2035 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2036
2037         * expmed.c (expand_mult): Use synthetic multiplication sequences for
2038         more classes of DImode multiplication by constant.  Allow both
2039         multiplication by small negative constants (by performing a
2040         multiplication by a positive constant and negating the result) and
2041         multiplications by large powers of two, by using a left shift.
2042
2043 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2044
2045         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
2046         of basic blocks into work_stack.
2047
2048         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
2049         config/mips/vr.h: Update copyright.
2050
2051         * c-decl.c (c_init_decl_processing): Remove useless calls to
2052         build_function_type.
2053
2054         * builtins.c (fold_trunc_transparent_mathfn,
2055         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
2056         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2057         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
2058         fold_builtin_strcpy, fold_builtin_strncpy,
2059         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
2060         TREE_TYPE (exp).
2061
2062         * builtins.c (expand_builtin_mathfn_3): Remove local variable
2063         before_call.
2064
2065         * lambda-code.c (lambda_compute_auxillary_space): Remove local
2066         variable determinant.
2067
2068         * tree-cfg.c (group_case_labels): Remove local variable type.
2069
2070         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
2071         variable ann.
2072
2073         * tree-ssa-phiopt.c (value_replacement): Remove local variable
2074         result.
2075
2076 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2077
2078         PR target/18251
2079         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
2080         (*movmemqi_insn): Delete.
2081         (*movmemhi): Delete.
2082
2083 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2084
2085         * builtins.c (fold_builtin_classify): Take decomposed
2086         arguments of CALL_EXPR.
2087         (fold_builtin_1): Update a call to fold_builtin_classify.
2088
2089 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
2090
2091         PR c/20402
2092         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
2093         through into call to parser_xref_tag after parse error.
2094         (c_parser_struct_declaration): Consistently return NULL_TREE on
2095         error.
2096
2097 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
2098
2099         * tree-flow-inline.h (ref_contains_array_ref): New function.
2100         (lookup_subvars_for_var): Ditto.
2101         (get_subvars_for_var): Ditto.
2102         (var_can_have_subvars): Ditto.
2103
2104         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
2105         (struct subvar): New type.
2106
2107         * tree-dfa.c (okay_component_ref_for_subvars): New function.
2108
2109         * tree-optimize.c (init_tree_optimization_passes): Call
2110         pass_create_structure_vars.
2111
2112         * tree-ssa-alias.c: Include vec.h.
2113         (init_alias_info): Don't auto-clear call clobbered on struct-field
2114         tags.
2115         (compute_flow_insensitive_aliasing): Handle subvars.
2116         (group_aliases): Handle STRUCT_FIELD aliases.
2117         (setup_pointers_and_addressables): Ditto.
2118         Don't mark variables non-addressable if they still have
2119         addressable subvars.
2120         Also mark subvars addressable when the real variable is marked
2121         addressable.
2122         (add_pointed_to_var): Try to prune the pointed-to set by only
2123         pointing to subvars when possible.
2124         Otherwise, make sure we set addresses_needed and pt_vars to
2125         properly include subvars.
2126         (bitpos_of_field): New function.
2127         (push_fields_onto_fieldstack): Ditto.
2128         (get_or_create_used_part_for): Ditto.
2129         (create_overlap_variables_for): Ditto.
2130         (find_used_portions): Ditto.
2131         (create_structure_vars): Ditto.
2132         (pass_create_structure_vars): New structure.
2133
2134         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
2135         (get_expr_operands): Handle subvars.  Also try to turn
2136         COMPONENT_REF accesses into must-defs now that we can accurately
2137         portray it.
2138         (note_addressable): Try to only mark as addressable those subvars
2139         we know a COMPONENT_REF touches.
2140         (overlap_subvar): New function.
2141
2142         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
2143         Handle subvar storing.
2144         (vect_address_analysis): Update caller of vect_object_analysis.
2145
2146         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
2147
2148         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
2149         (STMT_VINFO_SUBVARS): New macro.
2150
2151         * common.opts: add flag_tree_salias.
2152
2153         * opts.c (decode_options): flag_tree_salias defaults to on.
2154
2155         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
2156
2157         * doc/tree-ssa.texi: Document structural alias analysis.
2158
2159 2005-03-12  Steven Bosscher  <stevenb@suse.de>
2160
2161         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
2162         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
2163         * tree-ssa-operands.c (get_expr_operands): Likewise.
2164         (get_expr_operands): Likewise for ERROR_MARK.
2165
2166 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2167
2168         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
2169         var.
2170
2171         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
2172         removed_phis.
2173
2174         * tree-ssa-pre.c (compute_avail): Remove local variable val.
2175         (mark_operand_necessary): Remove local variable ver.
2176
2177         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
2178         variable prefix_len.
2179
2180         * value-prof.c (mod_subtract_transform): Remove local variable
2181         value.
2182
2183         * builtins.c (fold_builtin_exponent): Take decomposed
2184         arguments of CALL_EXPR.
2185         (fold_builtin_1): Update a call to fold_builtin_exponent.
2186
2187         * builtins.c (fold_builtin_logarithm): Take decomposed
2188         arguments of CALL_EXPR.
2189         (fold_builtin_1): Update a call to fold_builtin_logarithm.
2190
2191         * c-decl.c (c_init_decl_processing): Remove local variables
2192         ptr_ftype_void and ptr_ftype_ptr.
2193
2194         * gimplify.c (gimplify_expr): Remove local variables r0 and
2195         r1.
2196
2197         * reg-stack.c (move_for_stack_reg): Remove local variable
2198         push_insn.
2199         (compare_for_stack_reg): Remove local variable flags_user.
2200         (convert_regs_1): Remove local variable deleted.
2201
2202         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
2203         variable new_cond.
2204         (combine_blocks): Remove local variables exits and new_e.
2205
2206         * tree-inline.c (expand_call_inline): Remove local variable
2207         decl.
2208
2209         * tree-ssa-live.c (create_ssa_var_map,
2210         calculate_live_on_entry): Remove local variable snn.
2211
2212 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
2213
2214         * c-lex.c (c_lex_with_flags): Add parameter to call to
2215         cpp_spell_token.
2216
2217 2005-03-11  Per Bothner  <per@bothner.com>
2218
2219         * c-tree.h (struct c_declarator): New id_loc field.
2220         * c-pragma.h (c_lex_with_flags): Take position reference.
2221         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
2222         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
2223         (c_lex): Pass dummy location to c_lex_with_flags.
2224         * c-parser.c (c_lex_one_token): Set c_token's location using
2225         c_lex_with_flags, instead of input_location, which might be "ahead".
2226         (c_parser_direct_declarator): Set declarator's id_loc from
2227         c_token's id_loc.
2228         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
2229         declarator's id_loc, rather than probably-imprecise input_location.
2230         (build_id_declarator): Initialize c_declarator's id_loc field.
2231
2232 2005-03-11  Roger Sayle  <roger@eyesopen.com>
2233
2234         PR middle-end/20419
2235         * builtins.c (expand_builtin_signbit): Force the signbit's word
2236         into an integer register to avoid SUBREGs of floating point modes.
2237
2238 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2239
2240         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2241         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2242         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2243         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2244
2245 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
2246
2247         PR rtl-optimization/20306
2248         * expr.c (emit_move_complex): Set try_int false if mode is
2249         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
2250         emit_block_move if try_int is true.
2251
2252 2005-03-11  Richard Henderson  <rth@redhat.com>
2253
2254         PR target/20415
2255         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2256         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2257         to match.
2258
2259 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2260
2261         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2262         (TARGET_FIX_VR4130): New macro.
2263         (TARGET_OPTIONS): Add -mfix-vr4130.
2264         (ISA_HAS_MACCHI): New macro.
2265         (ASM_SPEC): Add -mfix-vr4130.
2266         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2267         (override_options): Handle mips_fix_vr4130_string.
2268         (mips_avoid_hazards): Clear all_noreorder_p
2269         if we're working around VR4130 errata and the macc alternatives
2270         are not available.
2271         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2272         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2273         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2274         (MULTILIB_DEFAULTS): Remove leading "march=".
2275         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
2276         if no architecture option is given.
2277         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2278         VR4130 multilibs.
2279         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2280         * doc/invoke.texi: Document -mfix-vr4130.
2281
2282 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2283
2284         * config/mips/mips.c (override_options): Only warn about -mint64
2285         deprecation if TARGET_INT64.
2286
2287 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2288
2289         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2290         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2291         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2292         are non-specific regarding the nonnull parameter positions.
2293         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2294         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2295         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2296         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2297
2298         * builtins.def: Use the non-specific "nonnull" attibute lists.
2299
2300 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2301
2302         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2303         single_pred_edge, single_succ, single_pred): Improve comments.
2304
2305 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2306
2307         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2308         single_pred_edge, single_succ, single_pred): New inline functions.
2309         * bb-reorder.c (rotate_loop, find_traces_1_round,
2310         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2311         duplicate_computed_gotos): Use the single_succ/pred functions.
2312         * cfganal.c (forwarder_block_p): Ditto.
2313         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2314         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2315         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2316         merge_seq_blocks): Ditto.
2317         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2318         * cfglayout.c (fixup_reorder_chain): Ditto.
2319         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2320         canonicalize_loop_headers, verify_loop_structure): Ditto.
2321         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2322         mfb_update_loops, create_preheader, force_single_succ_latches,
2323         create_loop_notes): Ditto.
2324         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2325         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2326         commit_one_edge_insertion, purge_dead_edges,
2327         cfg_layout_can_merge_blocks_p): Ditto.
2328         * except.c (sjlj_emit_function_enter): Ditto.
2329         * flow.c (init_propagate_block_info): Ditto.
2330         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2331         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2332         insert_insn_end_bb): Ditto.
2333         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2334         find_if_case_2): Ditto.
2335         * lambda-code.c (perfect_nestify): Ditto.
2336         * lcm.c (optimize_mode_switching): Ditto.
2337         * loop-doloop.c (doloop_modify): Ditto.
2338         * loop-init.c (loop_optimizer_init): Ditto.
2339         * loop-iv.c (simplify_using_initial_values): Ditto.
2340         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2341         * loop-unswitch.c (unswitch_loop): Ditto.
2342         * modulo-sched.c (generate_prolog_epilog): Ditto.
2343         * predict.c (combine_predictions_for_insn, estimate_probability,
2344         tree_estimate_probability, last_basic_block_p,
2345         estimate_bb_frequencies): Ditto.
2346         * profile.c (branch_prob): Ditto.
2347         * regrename.c (copyprop_hardreg_forward): Ditto.
2348         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2349         * tracer.c (layout_superblocks): Ditto.
2350         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2351         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2352         cleanup_control_expr_graph, disband_implicit_edges,
2353         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2354         tree_verify_flow_info, tree_make_forwarder_block,
2355         tree_forwarder_block_p, remove_forwarder_block,
2356         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2357         * tree-if-conv.c (tree_if_conversion): Ditto.
2358         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2359         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2360         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2361         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2362         copy_loop_headers): Ditto.
2363         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2364         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2365         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2366         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2367         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2368         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2369         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2370         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2371         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2372         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2373         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2374         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2375         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2376         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2377         slpeel_add_loop_guard): Ditto.
2378
2379 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2380
2381         PR tree-optimization/15784
2382         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2383         and -1 - A to ~A.
2384
2385         * stmt.c (expand_case): Don't change index_type.  Convert minval
2386         to the proper type.
2387
2388         PR tree-optimization/20130
2389         * fold-const.c (fold): Fold x * -1 into -x.
2390
2391 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2392
2393         PR rtl-optimization/20331
2394         * rtlanal.c (modified_between_p): Check its address first for MEM.
2395         (modified_in_p): Likewise.
2396
2397 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2398
2399         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2400
2401 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2402
2403         * expr.c (expand_expr_real_1): If possible, use a conditional
2404         move for expanding MIN_EXPR and MAX_EXPR.
2405         Use temp for moving around rtx-en.
2406
2407 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2408
2409         PR rtl-opt/20412
2410         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2411         correct mode.
2412
2413 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2414
2415         * builtins.c (expand_builtin_signbit): Extend to handle floating
2416         point modes wider than the largest integer type, using the
2417         operand_subword_force function to obtain the signbit's word.
2418
2419 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2420
2421         PR target/20322
2422         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2423         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2424
2425 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2426
2427         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2428
2429 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2430
2431         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2432         type void.
2433         (perform_edge_inserts): Unconditionally call
2434         free_dominator_info.
2435
2436         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2437
2438 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2439
2440         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2441
2442 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2443
2444         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2445
2446         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2447         gcc_unreachable.
2448         (rtl_register_value_prof_hooks,
2449         tree_value_profile_transformations,
2450         tree_register_value_prof_hooks): Likewise.
2451         * var-tracking.c (stack_adjust_offset_pre_post,
2452         variable_htab_free, variable_union, dataflow_set_different_2,
2453         count_uses, variable_was_changed, set_frame_base_location,
2454         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2455         vt_add_function_parameters): Likewise.
2456         * varasm.c (named_section_real, named_section, make_decl_rtl,
2457         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2458         const_hash_1, compare_constant, copy_constant, force_const_mem,
2459         output_constant_pool_2, output_constant_pool_1, output_constant,
2460         output_constructor, make_decl_one_only, decl_tls_model,
2461         default_no_named_section, default_elf_select_section_1,
2462         default_unique_section_1): Likewise.
2463         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2464         * vmsdbgout.c (addr_const_to_string): Likewise.
2465
2466         PR c++/20375
2467         * function.c (struct assign_parm_data_one): Remove last_named
2468         field.
2469         (assign_parm_find_data_types): Don't determine last_named.
2470         Reorder named_parm determination.
2471         (assign_parms): Only setup varargs on the last non-varadic
2472         parameter.
2473
2474 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2475
2476         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2477         sda base address on medium model.
2478
2479 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2480
2481         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2482         * cfgloop.c (flow_loop_nodes_find): Export.
2483         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2484         Declare.
2485         * cfgloopmanip.c (fix_loop_structure): New function.
2486         * predict.c (predict_loops): Clean up the loops information.
2487         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2488         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2489         loop structure.
2490         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2491         (rewrite_into_loop_closed_ssa): Declaration changed.
2492         * tree-loop-linear.c (linear_transform_loops): Add argument to
2493         rewrite_into_loop_closed_ssa call.
2494         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2495         * tree-ssa-loop-im.c (move_computations): Ditto.
2496         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2497         * tree-vectorizer.c (vectorize_loops): Ditto.
2498         * tree-optimize.c: Include cfgloop.h.
2499         (execute_todo): Choose whether to call cleanup_tree_cfg or
2500         cleanup_tree_cfg_loop.
2501         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2502         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2503         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2504         cleanup_tree_cfg_loop call.
2505         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2506         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2507         work on part of cfg.
2508
2509 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2510
2511         PR inline-asm/20314
2512         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2513         with multiple alternatives.
2514
2515         * stmt.c (parse_output_constraint): Fix a typo.
2516
2517 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2518
2519         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2520         assembly directive instead of deprecated "no-generics".
2521
2522 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2523
2524         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2525         for non-offsettable memory references to cope with outstanding reload
2526         replacements.
2527         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2528         avoid losing outstanding address reloads.
2529         ("reload_outdi", "reload_outdf"): Likewise.
2530
2531 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2532
2533         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2534         code.  Add more cbrt transformations.
2535
2536 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2537
2538         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2539
2540 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2541
2542         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2543         NULL_TREE when a given tree is not simplified.
2544         (fold): Return the original tree when any of the functions
2545         mentioned above NULL_TREE.
2546
2547         * fold-const.c (fold_unary, fold_binary): Take decomposed
2548         arguments, code, type, op0, and op1 in case of fold_binary.
2549         (fold): Update calls to fold_unary and fold_binary.
2550
2551 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2552
2553         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2554         a fndecl and an arglist instead of a CALL_EXPR, exp.
2555
2556 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2557
2558         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2559
2560         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2561
2562         * expr.c (expand_assignment): Remove orig_to_rtx.
2563
2564         * fold-const.c (int_const_binop): Remove no_overflow.
2565
2566         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2567
2568         * loop-iv.c (get_biv_step_1): Remove lhs.
2569
2570         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2571
2572         * real.c (real_nan): Remove neg.
2573
2574         * function.c (thread_prologue_and_epilogue_insns): Remove i
2575         and newinsn.
2576
2577         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2578         tb.
2579
2580         * tree-eh.c (tree_could_trap_p): Remove idx.
2581
2582         * tree-into-ssa.c (ann): Remove ann.
2583
2584         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2585
2586         * tree-sra.c (decide_block_copy): Remove inst_count.
2587
2588         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2589
2590         * tree-ssa-loop-im.c (lhs): Remove.
2591
2592         * cfgbuild.c (state, STATE, SET_STATE,
2593         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2594         make_edges.
2595         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2596         (find_basic_blocks): Set the state of each basic block to
2597         BLOCK_NEW.
2598
2599 2005-03-08  Jeff Law  <law@redhat.com>
2600
2601         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2602         goto results in the removal of edges in the CFG, then we need
2603         to recompute dominators.
2604
2605 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2606
2607         * c-common.c (c_do_switch_warnings): Comment fix.
2608
2609 2005-03-08  Julian Brown  <julian@codesourcery.com>
2610
2611         * Patch from 2005-03-08 reverted for causing regressions and
2612         ppc-darwin bootstrap failure.
2613
2614 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2615
2616         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2617         Define the real function for ppc-darwin.
2618         * c-typeck.c (convert_arguments): Check for target-specific
2619         invalid argument call to unprototyped function.
2620         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2621         New Macro.
2622         * target.h (invalid_arg_for_unprototyped_fn): New field
2623         in struct calls.
2624         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2625         default target hook.
2626         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2627         Declare.
2628
2629 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2630
2631         * c-typeck.c (constructor_stack, constructor_range_stack,
2632         initializer_stack): Make them static.
2633
2634         * cfg.c (rbi_pool): Make it static.
2635
2636         * gimple-low.c (lower_stmt_body): Make it static.
2637         * tree-flow.h: Remove the corresponding prototype.  Don't
2638         declare lower_data.
2639
2640         * sched-deps.c (cache_size): Make it static.
2641
2642         * stor-layout.c (lang_adjust_rli): Make it static.
2643
2644 2005-03-08  Julian Brown  <julian@codesourcery.com>
2645
2646         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2647         from being used for symbols with vague linkage when
2648         HAVE_GAS_COMDAT_GROUP is true.
2649
2650 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2651
2652         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2653         nlabel == JUMP_LABEL (jump).
2654
2655 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2656
2657         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2658         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2659         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2660         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2661
2662 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2663
2664         PR c/14411
2665         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2666         * c-common.c (handle_returns_twice): New function.
2667         (c_common_attribute_table): Declare eturns_twice' attribute.
2668         * doc/extend.texi: Document eturns_twice' attribute.
2669         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2670         (struct tree_decl): Add returns_twice_flag.
2671
2672 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2673
2674         * tree-ssa-phiopt.c: Fix a comment typo.
2675
2676         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2677         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2678         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2679         copyright.
2680
2681 2005-03-08  Richard Henderson  <rth@redhat.com>
2682
2683         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2684         builtin codes with ctzdi2, clzdi2, popcountdi2.
2685         (struct alpha_builtin_def): Add is_const.
2686         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2687         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2688         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2689         on builtins.
2690         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2691         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2692         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2693         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2694         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2695         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2696         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2697         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2698         (TARGET_FOLD_BUILTIN): New.
2699         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2700         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2701         (ffsdi2): Use ctz.
2702         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2703
2704 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2705
2706         PR tree-optimization/20122
2707         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2708         condition of access function instead of base.
2709
2710 2005-03-07  Jeff Law  <law@redhat.com>
2711             Steven Bosscher  <stevenb@suse.de>
2712
2713         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2714         (find_taken_edge): Call find_taken_edge_computed_goto as
2715         appropriate.  Allow any gimple invariant rather than just
2716         INTEGER_CST for VAL.
2717         (cleanup_control_flow): Cleanup a computed goto which has turned
2718         into a simple goto.
2719         (tree_merge_blocks): If block B has any forced labels, move
2720         them to the start of block A.
2721         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2722         computed gotos as well.
2723         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2724         removal of unnecessary computed gotos too.
2725         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2726         updated.
2727
2728 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2729
2730         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2731         Remove trailing spaces.
2732
2733         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2734         unshare_all_trees): Make them static.
2735         * tree-gimple.h: Remove the corresponding prototypes.
2736
2737         * diagnostic.h: Remove unused prototype
2738         debug_output_buffer.
2739         * modulo-sched.c: Remove unused prototype
2740         set_row_column_for_ps.
2741
2742         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2743         replace_phi_edge_with_variable): Remove unused variable i.
2744
2745 2005-03-07  Per Bothner  <per@bothner.com>
2746
2747         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2748
2749 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2750
2751         PR tree-opt/17671
2752         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2753         bbs on the COND_EXPR instead of the PHI_NODEs.
2754         (candidate_bb_for_phi_optimization): Remove.
2755         (replace_phi_with_stmt): Rename to ...
2756         (replace_phi_edge_with_variable): this and change so that we
2757         replace the phi argument instead of removing the PHI.
2758         (conditional_replacement): Change so we deal with PHI with more
2759         than two arguments.
2760         (value_replacement): Likewise.
2761         (abs_replacement): Likewise.
2762
2763 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2764
2765         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2766         output_e500_flip_gt_bit.
2767
2768         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2769         as bit 31.
2770         (rs6000_generate_compare): Fix logic to look at the correct bits.
2771         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2772         Look at GT bit.
2773         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2774         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2775         gen_move_from_CR_gt_bit.
2776
2777         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2778         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2779         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2780
2781         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2782         (E500_CR_IOR_COMPARE): New constant.
2783
2784 2005-03-08  Earl Chew <earl_chew@agilent.com>
2785             David Billinghurst <David.Billinghurst@riotinto.com>
2786
2787         * config/i386/host-cygwin.c: New file to support precompiled
2788         headers on cygwin
2789         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2790         * config.host: Use above files for cygwin host.
2791
2792 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2793
2794         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2795         ordering ops from earlier change.
2796
2797 2005-03-07  Per Bothner  <per@bothner.com>
2798
2799         Various fixes to allow us to again build if --enable-mapped-location:
2800         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2801         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2802         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2803         local variable loc. Change logic appropriately.
2804         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2805         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2806         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2807         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2808         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2809
2810 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2811
2812         PR rtl-optimization/19683
2813         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2814         number of bytes, to smallest_int_for_mode.  Fix arguments to
2815         REG_CANNOT_CHANGE_MODE_P.
2816
2817 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2818
2819         * reorg.c (relax_delay_slots): Check that the jump is
2820         conditional before trying to invert it.
2821
2822 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2823
2824         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2825         Make them static.
2826
2827         * calls (stack_arg_under_construction): Make it static.
2828
2829         * flow.c (regs_live_at_setjmp): Make it static.
2830         * flow.h: Remove the corresponding prototype.
2831
2832         * reload1.c (reload_startobj, reload_firstobj,
2833         something_needs_operands_changed, reload_inherited,
2834         reload_inheritance_insn, reload_override_in,
2835         reload_spill_index): Make them static.
2836
2837         * recog.c (verify_changes): Make it static.
2838         * recog.h: Remove the corresponding prototype.
2839
2840         * cfgbuild.c (find_sub_basic_blocks): Remove.
2841         * basic-block.h: Remove the corresponding prototype.
2842         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2843         in comments.
2844         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2845
2846         * tree-ssa-operands.c (check_build_stmt): Remove.
2847
2848         * stor-layout.c (set_alignment): Remove.
2849         * tree.h: Remove the corresponding prototype.
2850
2851         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2852
2853         * tree-ssa-dce.c (control_dependence_map,
2854         visited_control_parents): Make them static.
2855
2856         * cfghooks.c (verify_flow_info): Remove local variable
2857         num_bb_notes.
2858
2859         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2860         last_bb_seen.
2861
2862         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2863
2864 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2865
2866         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2867
2868 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2869
2870         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2871         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2872         PARALLEL for an empty structure.
2873
2874 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2875
2876         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2877
2878         * fold-const.c (fold_binary): Unroll the very first "for"
2879         loop.
2880
2881 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2882
2883         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2884         redundant match_code test.
2885         (scc_comparison_operator): Swap match_operand and match_code
2886         tests.
2887         (branch_positive_comparison_operator): Same.
2888         (trap_comparison_operator): Use comparison_operator and swap with
2889         match_code test.
2890
2891 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2892
2893         PR target/20288
2894         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2895         (out_movhi_r_mr): Read low byte of volatile MEM first.
2896         (out_movhi_mr_r): Write high byte of volatile MEM first.
2897
2898 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2899
2900         * cselib.c (reg_values, reg_values_size): Make them static.
2901
2902         * cse.c (cse_reg_info_table): Make it static.
2903
2904         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2905
2906 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2907
2908         * cse.c (find_best_addr): Use canon_for_address.
2909
2910 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2911
2912         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2913         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2914         SUBREG and MEM, respectively.
2915
2916         * fold-const.c (fold_binary): Use code instead of t.
2917
2918         * fold-const.c (optimize_minmax_comparison): Take decomposed
2919         arguments code, type, op0, and op1 instead of t.
2920         (fold_binary): Update a call to optimize_minmax_comparison.
2921
2922         * fold-const.c (fold_range_test): Take decomposed arguments
2923         code, type, op0, and op1 instead of t.
2924         (fold_binary): Update a call to fold_range_test.
2925
2926         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2927         decomposed arguments code, type, op0, and op1 instead of t.
2928         (fold_binary): Update a call to fold_range_test.
2929
2930 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2931
2932         * fold-const.c (fold_binary): Avoid directly using the original
2933         expression t as much as possible.
2934
2935 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2936
2937         * c-semantics.c (build_stmt): Use TYPE_P instead of
2938         IS_NON_TYPE_CODE_CLASS.
2939         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2940         (NON_TYPE_CHECK): Use TYPE_P instead of
2941         IS_NON_TYPE_CODE_CLASS.
2942
2943         * fold-const.c (fold): Remove handling of binary expressions.
2944
2945 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2946
2947         * doc/c-tree.texi: Wrap comments in @r{}.
2948         * doc/cpp.texi: Likewise.
2949         * doc/cppinternals.texi: Likewise.
2950         * doc/extend.texi: Likewise.
2951         * doc/md.texi: Likewise.
2952         * doc/objc.texi: Likewise.
2953         * doc/sourcebuild.texi: Likewise.
2954         * doc/tm.texi: Likewise.
2955         * doc/tree-ssa.texi
2956
2957 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2958
2959         * predict.c (apply_return_prediction): Standardize PHI chain
2960         walking.
2961         * tree-ssa.c (ssa_redirect_edge): Likewise.
2962
2963         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2964         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2965         Update copyright.
2966
2967         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2968         * tree-flow.h: Adjust the prototype for remove_phi_node.
2969         * lambda-code.c (perfect_nestify): Adjust a call to
2970         remove_phi_node.
2971         * tree-cfg.c
2972         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2973         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2974         Likewise.
2975         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2976         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2977         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2978         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2979
2980         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2981         of GEN_INT (trunc_int_for_mode (...)).
2982         * loop-iv.c (iv_number_of_iterations): Likewise.
2983         * postreload.c (reload_cse_move2add): Likewise.
2984         * simplify-rtx.c (simplify_const_unary_operation,
2985         simplify_const_binary_operation): Likewise.
2986         * stor-layout.c (get_mode_bounds): Likewise.
2987
2988         * fold-const.c (fold_binary): New.
2989         (fold): Call fold_binary on binary expressions.
2990
2991 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2992
2993         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2994         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2995         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2996         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2997         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2998
2999 2005-03-04  Devang Patel  <dpatel@apple.com>
3000
3001         PR tree-optimization/18815
3002         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3003         loops with zero exit edges.
3004
3005 2005-03-04  Devang Patel  <dpatel@apple.com>
3006
3007         * doc/invoke.texi: Remove reference to webpage that does not exist.
3008
3009 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
3010             Joseph S. Myers  <joseph@codesourcery.com>
3011
3012         PR c++/19797
3013         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
3014         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
3015         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
3016         * pa.c (get_plabel): Change argument to symbol_ref.  Call
3017         maybe_get_identifier instead of get_identifier.
3018         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
3019         (struct deferred_plabel): Replace name field with symbol field.
3020         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
3021         ASM_OUTPUT_EXTERNAL_REAL is defined.
3022         (output_global_address): Use output_addr_const for output of all
3023         symbol_refs.
3024         (output_deferred_plabels): Use symbol_ref instead of name for address
3025         output.
3026         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
3027         ASM_OUTPUT_SYMBOL_REF): New macros.
3028         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
3029         comment.
3030         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
3031         label.
3032
3033 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
3034
3035         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
3036         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
3037
3038 2005-03-04  Jeff Law  <law@redhat.com>
3039
3040         * basic-block.h (rediscover_loops_after_threading): Declare.
3041         * tree-ssa-dom.c: Include cfgloop.h.
3042         (tree_ssa_dominator_optimize): Discover loops and some basic
3043         properties.  Remove forwarder blocks recreated by loop header
3044         canonicalization.  Also mark backedges in the CFG.
3045         * tree-ssa-threadupdate.c: Include cfgloop.h
3046         (rediscover_loops_after_threading): Define.
3047         (struct local_info): New field, JUMP_THREADED.
3048         (prune_undesirable_thread_requests): New function.
3049         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
3050         then record that fact for the callers of redirct_edges.
3051         (thread_block): If BB has incoming backedges, then call
3052         prune_undesirable_thraed_requests.    Note when we are
3053         going to have to rediscover loop information.  Return a
3054         boolean indicating if any jumps were threaded.
3055         (thread_through_all_blocks): Bubble up boolean indicating
3056         if any jumps were threaded.
3057         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
3058         (tree-ssa-threadupdate.o): Similarly.
3059
3060 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3061
3062         * fold-const.c (fold_ternary): Unroll the "for" loop to
3063         extract operands.
3064
3065 2005-03-04  Andrew Haley  <aph@redhat.com>
3066
3067         * unwind-dw2-fde-glibc.c (struct
3068         unw_eh_callback_data.check_cache): New field.
3069         (frame_hdr_cache): New.
3070         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
3071         Cache frame header info.
3072
3073 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
3074
3075         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
3076         (print_c_condition): Declare.
3077         * read-rtl.c (ptr_loc): New structure.
3078         (ptr_locs, ptr_loc_obstack, joined_conditions)
3079         (joined_conditions_obstack): New variables.
3080         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
3081         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
3082         (join_c_conditions, print_c_condition): New functions.
3083         (apply_macro_to_string): Associate the new string with the same
3084         source location as the old one.
3085         (add_condition_to_string): Use join_c_conditions.
3086         (read_string): Use set_rtx_ptr_loc to record a filename and line
3087         number for the string.
3088         (read_rtx): Initialize the new variables above.
3089         * genattrtab.c (write_test_expr, write_attr_value): Use
3090         print_c_condition.
3091         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
3092         comment above the GCC_VERSION check.
3093         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
3094         Inline the definition of MAYBE_EVAL.
3095         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
3096         * genoutput.c (process_template): Likewise.
3097         * genpreds.c (write_predicate_subfunction): Likewise.
3098         (write_predicate_expr): Use print_c_condition.
3099         * genrecog.c (write_cond): Likewise.
3100         * gensupport.c (process_rtx): Use join_c_conditions to join the
3101         conditions of a define_insn_and_split.  Record a source location
3102         for the string after the "&&".
3103         (alter_test_for_insn): Use join_c_conditions.
3104
3105 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
3106
3107         Revert for now:
3108         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3109         PR tree-optimization/15784
3110         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3111         and -1 - A to ~A.
3112
3113 2005-03-04  Ben Elliston  <bje@au.ibm.com>
3114
3115         * gcc.c (option_map): Add --coverage.
3116         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
3117         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
3118         * config/darwin.h: Pass -lgcov for `coverage'.
3119         * doc/invoke.texi (Debugging Options): Document --coverage.
3120
3121 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3122
3123         * gcse.c (bypass_block): Use find_edge wherever possible.
3124
3125 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
3126
3127         Fix PR debug/20253
3128
3129         * c-opts.c (c_common_parse_file): Call start_source_file
3130         and end_source_file at the approriate times.
3131
3132         * dwarf2out.c (dwarf2out_finish): Don't auto-end
3133         the main file, it will be done for us now.
3134
3135 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3136
3137         * fold-const.c (fold_ternary): New.
3138         (fold): Call fold_ternary on ternary expressions.  Remove
3139         handling of ternary expressions.
3140
3141 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3142
3143         PR tree-optimization/15784
3144         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3145         and -1 - A to ~A.
3146
3147 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
3148
3149         * config/rs6000/predicates.md (branch_comparison_operator):
3150         Convert from C block to conditional format.
3151
3152 2005-03-03  Jan Hubicka  <jh@suse.cz>
3153
3154         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
3155         and non-constant public variables.
3156
3157 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
3158
3159         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
3160         with LABEL_EXPR.
3161
3162         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
3163         EDGE_I.
3164
3165         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
3166         calls to release_ssa_name and release_phi_node.
3167
3168         * fold-const.c (fold): Remove handling of unary expressions.
3169
3170         * fold-const.c (fold_unary): Avoid directly using the original
3171         expression t as much as possible.
3172
3173 2005-03-03  Roger Sayle  <roger@eyesopen.com>
3174             Andrew Pinski  <pinskia@physics.uc.edu>
3175
3176         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
3177         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
3178
3179 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
3180
3181         Describe special registers SRP and MOF as allocatable registers.
3182         * config/cris/cris.c (cris_md_asm_clobbers): New function.
3183         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
3184         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
3185         TARGET_HAS_MUL_INSNS.
3186         (cris_print_operand) <case 'd'>: New case.
3187         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
3188         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
3189         define.
3190         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
3191         (REG_ALLOC_ORDER): Update for MOF.
3192         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
3193         SPECIAL_REGS.
3194         (GENERAL_REGS): No longer a define of ALL_REGS.
3195         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
3196         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3197         Adjust accordingly.
3198         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
3199         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
3200         (SECONDARY_RELOAD_CLASS): Define.
3201         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
3202         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
3203         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
3204         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
3205         (REGISTER_MOVE_COST): Define.
3206         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
3207         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
3208         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
3209         (CRIS_MOF_REGNUM): New define_constants.
3210         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
3211         special registers.
3212         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
3213         New patterns.
3214         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
3215         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
3216         Adjust for MOF being properly described as a register.
3217         (indir_to_reg_split): Name this split.  Conditionalize on the
3218         destination register being a general register.
3219         (movei): Conditionalize on on operands 0 and 1 having the same
3220         register class.
3221
3222 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
3223
3224         PR target/20277
3225         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
3226         -mcpu to override any other explicitly given flags.
3227
3228 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
3229
3230         * recog.c (verify_changes, confirm_change_group): New functions,
3231         broken out of apply_change_group.
3232         (apply_change_group): Use them.
3233         * recog.h (verify_change, confirm_change_group): Declare.
3234         * rtl.h (redirect_jump_2): Declare.
3235         * jump.c (redirect_exp, invert_exp): Delete.
3236         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
3237         (redirect_jump_2): New function, broken out of redirect_jump.
3238         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3239         (invert_jump): Use invert_jump_1 and redirect_jump_2.
3240         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3241
3242 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
3243
3244         * varasm.c (named_section): Use xstrdup rather than doing it by
3245         hand.
3246
3247         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3248
3249 2005-03-02  Devang Patel  <dpatel@apple.com>
3250
3251         Undo PR tree-optimization/18815 fix.
3252
3253 2005-03-02  Devang Patel  <dpatel@apple.com>
3254
3255         PR tree-optimization/18815
3256         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3257         loops with zero exit edges.
3258
3259 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3260
3261         * cfg.c (connect_src, connect_dest, disconnect_src,
3262         disconnct_dest): New.
3263         (unchecked_make_edge, remove_edge, redirect_edge_succ,
3264         redirect_edge_pred): Use the new functions.
3265
3266         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3267         free_dominance_info only when needed.
3268
3269 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
3270
3271         PR target/20276
3272         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3273         (reg_or_sub_cint64_operand): Same.
3274
3275 2005-03-02  Jeff Law  <law@redhat.com>
3276
3277         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3278         CFG_ALTERED in the main DOM iteration loop.
3279
3280 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
3281
3282         PR c++/19916
3283         * varasm.c (initializer_constant_valid_p): Allow conversions
3284         between OFFSET_TYPEs.  Tidy.
3285
3286 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3287
3288         * config/cris/cris.md ("return"): Remove epilogue delay list
3289         sanity check.
3290
3291 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3292
3293         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3294         for Thumb.
3295         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3296
3297 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3298
3299         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3300         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3301         config/m68k/m68k.c, config/mips/mips.h,
3302         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3303         doc/include/gcc-common.texi: Update copyright.
3304
3305         PR middle-end/18029 and PR middle-end/18030
3306         * expr.c (optimize_bitfield_assignment_op): Add a special case
3307         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3308
3309         * fold-const.c (fold_unary): New.
3310         (fold): Call fold_unary on unary expressions.
3311
3312 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3313
3314         * cgraph.h (struct cgraph_edge): Add prev_caller and
3315         prev_callee fields.
3316         (cgraph_node_remove_callees): Export.
3317         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3318         and prev_callee.
3319         (cgraph_edge_remove_callee): New function.
3320         (cgraph_edge_remove_caller): Likewise.
3321         (cgraph_remove_edge): Use.
3322         (cgraph_redirect_edge_callee): Likewise.
3323         (cgraph_node_remove_callees): New function.
3324         (cgraph_node_remove_callers): Likewise.
3325         (cgraph_remove_node): Use.
3326         * tree-optimize.c (tree_rest_of_compilation): Use
3327         cgraph_node_remove_callees instead of manual loop.
3328         * cgraphunit.c (cgraph_finalize_function): Likewise.
3329         (cgraph_expand_function): Likewise.
3330         (cgraph_remove_unreachable_nodes): Likewise.
3331
3332 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3333
3334         PR c/8927
3335         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3336         argument.
3337         * c-decl.c (undeclared_variable): Take location as argument.
3338         * c-typeck.c (build_external_ref): Likewise.
3339         * c-parser.c (c_parser_postfix_expression): Pass location of
3340         identifier to build_external_ref.
3341
3342 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3343
3344         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3345         CCEQ mode for branch_positive_comparison_operator test.
3346         * config/rs6000/predicates (branch_comparison_operator): Revert to
3347         define_predicate.
3348         (scc_comparison_operator): Same.
3349         (branch_positive_comparison_operator): Same.
3350
3351 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3352
3353         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3354         (cris_delay_slots_for_epilogue): Remove.
3355         (save_last): Move into cris_target_asm_function_epilogue.
3356         (cris_target_asm_function_epilogue): Remove tests for file being
3357         NULL.
3358         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3359         (cris_delay_slots_for_epilogue): Remove prototypes.
3360         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3361         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3362
3363 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3364
3365         * config/rs6000/predicates.md (branch_comparison_operator): Change
3366         to define_special_predicate.
3367         (scc_comparison_operator): Same.
3368         (branch_positive_comparison_operator): Same.
3369
3370 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3371
3372         * Makefile.in (tree-ssa-sink.o): New.
3373         (OBJS-common): Add tree-ssa-sink.o.
3374         * common.opt: Add -ftree-sink
3375         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3376         * timevar.def (TV_TREE_SINK): new timevar.
3377         * tree-flow.h (is_hidden_global_store): Prototype.
3378         * tree-optimize.c (init_tree_optimization_passes): Add
3379         pass_sink_code.
3380         * tree-pass.h (pass_sink_code): New.
3381         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3382         for non-obvious global store store to is_hidden_global_store, and
3383         call that new function.
3384         * tree-ssa-sink.c: New file.
3385         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3386         * doc/passes.texi: Document forward store motion.
3387         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3388         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3389         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3390         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3391
3392 2005-03-01  Per Bothner  <per@bothner.com>
3393
3394         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3395         and we have a non-zero column-number, add it to the message.
3396         Also factor out the diagnostic_kind_text.
3397
3398 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3399
3400         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3401         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3402         flow_loop_scan): Removed.
3403         (flow_loop_dump): Do not dump removed fields.
3404         (flow_loop_free): Do not free removed fields.
3405         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3406         (loop_exit_edge_p): New function.
3407         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3408         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3409         num_exits, exits_doms.
3410         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3411         LOOP_EDGES, LOOP_ALL): Removed.
3412         (flow_loop_scan): Declaration removed.
3413         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3414         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3415         flow_loops_find.
3416         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3417         (if_convert): Call flow_loops_find and flow_loops_free
3418         when calling mark_loop_exit_edges.
3419         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3420         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3421         free_dominance_info calls.
3422         * loop-init.c (flow_loops_find): Ditto.
3423         * passes.c (rest_of_handle_branch_prob): Ditto.
3424         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3425         * loop-unroll.c (analyze_insns_in_loop): Do not use
3426         EDGE_LOOP_EXIT.
3427         * predict.c (predict_loops): Do not call flow_loop_scan.
3428         Use get_loop_exit_edges.
3429         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3430         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3431         Do not use EDGE_LOOP_EXIT.
3432         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3433         to bb_with_exit_edge_p.
3434         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3435         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3436         to bb_with_exit_edge_p.
3437         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3438         EDGE_LOOP_EXIT.
3439         * tree-loop-linear.c (linear_transform_loops): Do not call
3440         flow_loop_scan.  Use loop->single_exit.
3441         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3442         (vect_analyze_loop_form): Do not call flow_loop_scan.
3443         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3444         loop->single_exit.
3445         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3446         loop->single_exit.
3447         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3448         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3449         slpeel_tree_duplicate_loop_to_edge_cfg,
3450         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3451         Use loop_preheader_edge and loop->single_exit.  Do not call
3452         flow_loop_scan.
3453
3454 2005-03-01  Nick Clifton  <nickc@redhat.com>
3455
3456         * config/arm/arm.c (thumb_find_work_register): Check all of the
3457         argument registers to see if they are free, and a couple of
3458         special cases where the last argument register but can be proved
3459         to be available during the function's prologue.
3460         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3461         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3462         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3463         register bit-mask.
3464         (thumb_compute_save_reg_mask): Likewise.  Also use
3465         thumb_find_work_register() to ensure that there is agreement about
3466         which work register is going to be used in the prologue.
3467         (thumb_output_function_prologue): Use unsigned long as the type
3468         for the register bit-mask.  Also delay pushing the link register if
3469         other high registers are going to be pushed.
3470         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3471         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3472         redundant prototypes.
3473
3474 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3475
3476         PR target/19819
3477         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3478         and after reload in REG+REG indexed addresses without REG_POINTER
3479         set in the base and not set in the index.
3480
3481 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3482
3483         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3484         Don't undefine here.
3485         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3486         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3487         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3488         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3489         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3490         Delete.
3491         * config.gcc (sh*-*-linux*): Use config/linux.h.
3492
3493 2005-02-28  Dale Johannesen  <dalej@apple.com>
3494             Stan Shebs  <shebs@apple.com>
3495
3496         Rewrite of 64-bit Darwin structure-by-value pass/return.
3497         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3498         intoffset, use_stack, named.
3499         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3500         (rs6000_darwin64_record_arg_advance_flush):  New.
3501         (rs6000_darwin64_record_arg_advance_recurse): New.
3502         (rs6000_darwin64_record_arg_flush):  New.
3503         (rs6000_darwin64_record_arg_recurse):  New.
3504         (rs6000_darwin64_record_arg):  New.
3505         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3506         (function_arg_boundary):  Handle 128-bit aligned structs.
3507         (function_arg_advance):  Rewrite darwin64 struct handling.
3508         (function_arg):  Call rs6000_darwin64_record_arg.
3509         (function_arg_partial_nregs):  Handle darwin64 structs.
3510         (rs6000_darwin64_function_value):  Remove.
3511         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3512
3513 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3514
3515         PR tree-optimization/20216
3516         * tree-chrec.c (tree_fold_factorial): Delete.
3517         (tree_fold_binomial): Change argument list to take a return type
3518         and change the type of K to unsigned int.  Rewrite to avoid explicit
3519         evaluation of factorials, and (recursively) calling fold to perform
3520         compile-time arithmetic.  Return NULL on (internal) overflow.
3521         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3522         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3523         if any intermediate calculation overflows.
3524         (chrec_apply): Update call to chrec_evaluate.
3525
3526 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3527
3528         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3529
3530 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3531
3532         PR c/20245
3533         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3534         instead of NULL_TREE on error.
3535
3536 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3537
3538         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3539         (EASY_VECTOR_15_ADD_SELF): Remove.
3540         (num_insns_constant_wide): Not static.
3541         (validate_condition_mode): Not static.
3542         (toc_relative_expr_p): Not static.
3543         (legitimate_indirect_address_p): Not static.
3544         (macho_lo_sum_memory_operand): Not static.
3545         (invalid_e500_subreg): Not static.
3546         (easy_vector_same): Not static.
3547         (easy_vector_splat_const): Not static.
3548         (RS6000_SYMBOL_REF_TLS_P): Remove.
3549         (any_operand): Delete.
3550         (any_parallel_operand): Delete.
3551         (count_register_operand): Delete.
3552         (altivec_register_operand): Delete.
3553         (xer_operand): Delete.
3554         (s8bit_cint_operand): Delete.
3555         (short_cint_operand): Delete.
3556         (u_short_cint_operand): Delete.
3557         (non_short_cint_operand): Delete.
3558         (exact_log2_cint_operand): Delete.
3559         (gpc_reg_operand): Delete.
3560         (cc_reg_operand): Delete.
3561         (cc_reg_not_cr0_operand): Delete.
3562         (reg_or_short_operand): Delete.
3563         (reg_or_neg_short_operand): Delete.
3564         (reg_or_aligned_short_operand): Delete.
3565         (reg_or_u_short_operand): Delete.
3566         (reg_or_cint_operand): Delete.
3567         (reg_or_arith_cint_operand): Delete.
3568         (reg_or_add_cint64_operand): Delete.
3569         (reg_or_sub_cint64_operand): Delete.
3570         (reg_or_logical_cint_operand): Delete.
3571         (got_operand): Delete.
3572         (got_no_const_operand): Delete.
3573         (easy_fp_constant): Delete.
3574         (easy_vector_constant): Delete.
3575         (easy_vector_constant_add_self): Delete.
3576         (zero_constant): Delete.
3577         (zero_fp_constant): Delete.
3578         (volatile_mem_operand): Delete.
3579         (offsettable_mem_operand): Delete.
3580         (mem_or_easy_const_operand): Delete.
3581         (add_operand): Delete.
3582         (non_add_cint_operand): Delete.
3583         (logical_operand): Delete.
3584         (non_logical_cint_operand): Delete.
3585         (mask_operand): Delete.
3586         (mask_operand_wrap): Delete.
3587         (mask64_operand): Delete.
3588         (mask64_2_operand): Delete.
3589         (and64_operand): Delete.
3590         (and64_2_operand): Delete.
3591         (and_operand): Delete.
3592         (reg_or_mem_operand): Delete.
3593         (lwa_operand): Delete.
3594         (symbol_ref_operand): Delete.
3595         (call_operand): Delete.
3596         (current_file_function_operand): Delete.
3597         (input_operand): Delete.
3598         (rs6000_nonimmediate_operand): Delete.
3599         (rs6000_tls_symbol_ref): Delete.
3600         (save_world_operation): Delete.
3601         (restore_world_operation): Delete.
3602         (load_multiple_operation): Delete.
3603         (store_multiple_operation): Delete.
3604         (vrsave_operation): Delete.
3605         (mfcr_operation): Delete.
3606         (mtcrf_operation): Delete.
3607         (lmw_operation): Delete.
3608         (stmw_operation): Delete.
3609         (branch_comparison_operator): Delete.
3610         (branch_positive_comparison_operator): Delete.
3611         (scc_comparison_operator): Delete.
3612         (trap_comparison_operator): Delete.
3613         (boolean_operator): Delete.
3614         (boolean_or_operator): Delete.
3615         (min_max_operator): Delete.
3616         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3617         (EASY_VECTOR_15): Moved to here.
3618         (EASY_VECTOR_15_ADD_SELF): Move to here.
3619         (PREDICATE_CODES): Delete.
3620         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3621         Declare functions no longer static.
3622         * config/rs6000/predicates.md: New.
3623         * config/rs6000/rs6000.md: Include predicates.md
3624
3625 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3626
3627         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3628         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3629         REG_ALWAYS_RETURN.
3630         * cfgrtl.c (need_fake_edge_p): Likewise.
3631         * combine.c (distribute_notes): Likewise.
3632         * emit-rtl.c (try_split): Likewise.
3633         * recog.c (peephole2_opimize): Likewise.
3634         * reg-notes.def (ALWAYS_RETURN): Remove.
3635         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3636         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3637         * tree.h (ECF_ALWAYS_RETURN): Remove.
3638
3639 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3640
3641         PR middle-end/19874
3642         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3643         between different machine modes is never a "useless" conversion.
3644
3645 2005-02-28  Geert Bosch  <bosch@gnat.com>
3646
3647         PR ada/15977
3648         * doc/contrib.texi: List contributors for Ada front end
3649
3650 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3651
3652         * simplify-rtx.c (simplify_unary_operation_1,
3653         simplify_const_unary_operation): New, extracted from...
3654         (simplify_unary_operation): ... this one.
3655         (simplify_binary_operation_1,
3656         simplify_const_binary_operation): New, extracted from...
3657         (simplify_binary_operation): ... this one.
3658         * rtl.h (simplify_const_unary_operation,
3659         simplify_const_binary_operation): Add prototypes.
3660
3661 2005-02-28  Julian Brown  <julian@codesourcery.com>
3662
3663         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3664         building libjava and caused PR regression/20228.
3665
3666 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3667
3668         PR bootstrap/17383
3669         * Makefile.in (host_subdir): New.
3670         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3671         * configure: Regenerate.
3672
3673 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3674
3675         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3676         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3677         installation directory first.
3678
3679 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3680
3681         PR target/19065.
3682         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3683         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3684         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3685         * config/cris/cris.md: Tweak comments referring to Q.
3686         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3687         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3688         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3689         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3690         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3691         Insert spaces in constraints to align alternatives vertically for
3692         readability.
3693         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3694         operand 1: "M".
3695
3696 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3697
3698         PR rtl-optimization/17728
3699         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3700         operand 0 from general_operand to move_dest_operand.
3701
3702 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3703
3704         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3705         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3706         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3707         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3708
3709 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3710
3711         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3712         * configure: Regenerate.
3713         * libada-mk.in: Remove CC; rename
3714         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3715
3716 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3717
3718         PR tree-opt/20188
3719         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3720         for the lhs, also walk over the tree.  Likewise for rhs.
3721
3722 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3723
3724         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3725         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3726         Do not propagate value of iv before increment over the increment.
3727
3728 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3729
3730         * c-parser.c: New file.
3731         * c-parse.in: Remove.
3732         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3733         Remove.
3734         (c-parser.o): Add dependencies.
3735         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3736         maintainer-clean, TAGS): Update.
3737         * c-config-lang.in (gtfiles): Update.
3738         * gengtype-lex.l: Don't handle "@@".
3739         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3740         objc_build_synchronized, objc_begin_try_stmt,
3741         objc_begin_catch_clause, objc_finish_catch_clause,
3742         objc_build_finally_clause, objc_finish_try_stmt): New.
3743         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3744         type_seen_p.
3745         (c_parse_init): Update comment.
3746         * c-decl.c (c_init_decl_processing): Update comment.
3747         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3748         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3749         new c_declspecs members.
3750
3751 2005-02-25  Julian Brown  <julian@codesourcery.com>
3752
3753         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3754         from being used for symbols with vague linkage when
3755         HAVE_GAS_COMDAT_GROUP is true.
3756
3757 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3758
3759         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3760
3761 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3762
3763         PR target/19930
3764         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3765         (LIBGCC2_HAS_DF_MODE): New.
3766         (LIBGCC2_HAS_XF_MODE): New.
3767         (LIBGCC2_HAS_TF_MODE): New.
3768         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3769         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3770         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3771         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3772         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3773         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3774         and add _fixtfdi, _fixunstfdi, _floatditf
3775         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3776         L_fixunstfdi, L_floatditf.
3777         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3778         (LIBGCC2_HAS_TF_MODE): Define.
3779
3780 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3781
3782         PR tree-optimization/20204
3783         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3784         REWRITE_THIS_STMT markers on PHI nodes.
3785         (rewrite_initialize_block): Likewise.
3786
3787 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3788
3789         * version.c (version_string): Update to 4.1.
3790
3791 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3792
3793         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3794         Clarify that the alternative way doesn't work in GNU C++.
3795
3796 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3797
3798         PR tree-optimization/19937
3799         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3800         to the type of the induction variable.
3801
3802 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3803
3804         PR rtl-optimization/20117
3805         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3806         the block including noncopyable insn.
3807
3808 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3809
3810         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3811         calls to find_reg_note.
3812
3813 2005-02-24  Richard Henderson  <rth@redhat.com>
3814
3815         PR tree-opt/20127
3816         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3817         the type.
3818
3819 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3820
3821         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3822         vector types if to use base reg for misaligned non-word ld/std.
3823
3824 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3825
3826         PR target/14619
3827         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3828         dwarf2 label manually and put it after, not before the prologue.
3829
3830 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3831
3832         PR target/19019
3833         * reload.c (operands_match_p): Only increment register number for
3834         SCALAR_INT_MODE_P modes in multiple hard registers.
3835
3836         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3837         Fix formatting.
3838
3839 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3840
3841         * ChangeLog.5: Fix log message typo(s).
3842         * ChangeLog.7: Likewise.
3843         * ChangeLog.tree-ssa: Likewise.
3844         * cfgexpand.c: Fix comment typo(s).
3845         * conflict.c: Likewise.
3846         * defaults.h: Likewise.
3847         * dwarf2out.c: Likewise.
3848         * gcse.c: Likewise.
3849         * ggc-page.c: Likewise.
3850         * tree-eh.c: Likewise.
3851         * tree-ssa-dom.c: Likewise.
3852
3853 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3854
3855         PR target/19019
3856         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3857         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3858         if SHARED is defined.
3859
3860         PR target/20196
3861         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3862         allow splitting only if operands 0 and 3 don't overlap.
3863
3864 2005-02-24  Richard Henderson  <rth@redhat.com>
3865
3866         PR middle-end/19953
3867         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3868         (fold_builtin_1): Call them.
3869         * fold-const.c (fold_complex_mult_parts): Split out from ...
3870         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3871         (fold_complex_div_parts, fold_complex_div): New.
3872         (fold): Use them.
3873         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3874
3875 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3876
3877         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3878         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3879
3880         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3881         (print_node): Likewise.
3882         Print TYPE_SIZES_GIMPLIFIED.
3883
3884 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3885
3886         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3887         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3888         operands as commutative in constraints.
3889
3890 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3891
3892         * tree-into-ssa.c: Re-organize internal functions.
3893
3894 2005-02-24  Richard Henderson  <rth@redhat.com>
3895
3896         PR middle-end/18902
3897         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3898         for c99.
3899         * common.opt (fcx-limited-range): New.
3900         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3901         * toplev.c (flag_complex_method): Initialize to 1.
3902         (process_options): Set flag_complex_method to 0 if
3903         flag_cx_limited_range.
3904         * doc/invoke.texi (-fcx-limited-range): New.
3905
3906 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3907
3908         * cse.c (delete_trivially_dead_insns): Speed up by using
3909         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3910         prev_real_insn.
3911
3912 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3913
3914         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3915         functions when -mid-shared-library is being used.
3916
3917 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3918
3919         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3920         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3921         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3922         * system.h: Poison LINK_LIBGCC_SPECIAL.
3923
3924 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3925
3926         * gengtype.c (note_insn_name): Make 1 element larger.
3927
3928 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3929
3930         PR target/20018
3931         PR rtl-optimization/20097
3932         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3933         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3934
3935 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3936
3937         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3938         * t-aix52 (SHLIB_INSTALL): Same.
3939
3940 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3941
3942         * genpreds.c: Update copyright.
3943
3944 2005-02-23  Michael Beach  <michaelb@ieee.org>
3945
3946         PR target/20159
3947         * config/sparc/t-elf (startup files): Assemble with CPP.
3948
3949 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3950
3951         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3952         (write_predicate_expr): Likewise.
3953
3954 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3955
3956         PR tree-optimization/20100
3957         PR tree-optimization/20115
3958         * tree-optimize.c (init_tree_optimization_passes): Remove
3959         pass_maybe_create_global_var.
3960         * tree-pass.h (pass_maybe_create_global_var): Remove.
3961         * tree-ssa-alias.c (aliases_computed_p): Declare.
3962         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3963         (count_calls_and_maybe_create_global_var): Remove.
3964         (pass_maybe_create_global_var): Remove.
3965         (init_alias_info): Do not declare aliases_computed_p.
3966         (maybe_create_global_var): If the function contains no
3967         call-clobbered variables and a mix of pure/const and regular
3968         function calls, create .GLOBAL_VAR.
3969         Mark all call-clobbered variables for renaming.
3970         (merge_pointed_to_info): Update comment.
3971         (add_pointed_to_var): Likewise.
3972         (is_escape_site): Likewise.
3973         Accept struct alias_info * instead of size_t *.
3974         Update all users.
3975         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3976         as necessary.
3977         * tree-ssa-operands.c (get_call_expr_operands): If
3978         ALIASES_COMPUTED_P is false, do not add call-clobbering
3979         operands.
3980         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3981         (delete_tree_ssa): Likewise.
3982
3983 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3984
3985         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3986         (do_compile): Do call it here.
3987
3988 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3989
3990         PR rtl-optimization/20017.
3991         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3992         rest_of_handle_cse2, rest_of_handle_gcse): Call
3993         delete_dead_jumptables immediately before calling cleanup_cfg.
3994
3995 2005-02-22  Devang Patel  <dpatel@apple.com>
3996
3997         PR 19952
3998         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3999         all labels
4000
4001 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
4002
4003         * config/rs6000/aix.h (WINT_TYPE): Define.
4004
4005 2005-02-22  Stan Shebs  <shebs@apple.com>
4006
4007         * config/rs6000/rs6000.c (rs6000_override_options): Default to
4008         natural alignment for 64-bit Darwin.
4009         (rs6000_parse_alignment_option): Warn about uses of -malign-power
4010         on 64-bit Darwin.
4011         * doc/invoke.texi: Document this.
4012
4013 2005-02-22  DJ Delorie  <dj@redhat.com>
4014
4015         * c-common.c (c_common_type_for_mode): Pass the mode's precision
4016         to make_[un]signed_type, not the mode itself.
4017
4018 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4019
4020         * cfg.c (cached_make_edge): Call make_edge if edge cache is
4021         not available.  Use tail calls wherever possible.
4022         (make_edge): Call unchecked_make_edge to create an edge.
4023
4024         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
4025         (coalesce_ssa_name): Don't check for
4026         SSANORM_USE_COALESCE_LIST.
4027         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
4028
4029 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4030
4031         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
4032         (rewrite_into_ssa): ... here.
4033
4034 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
4035
4036         PR tree-optimization/19786
4037         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
4038         tag to another's may-alias bitmap when adding to the other's list.
4039
4040 2005-02-21  DJ Delorie  <dj@redhat.com>
4041
4042         * tree-ssa-loop-ivopts.c (computation_cost): Start register
4043         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
4044         registers in unsupported ways.
4045         * expmed.c (init_expmed): Likewise.
4046
4047 2005-02-21  Stan Cox  <scox@redhat.com>
4048
4049         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
4050
4051 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4052
4053         * tree-cfg.c (fold_cond_expr_cond): New.
4054         (make_edges): Call fold_cond_expr_cond.
4055         (find_taken_edge): Accept nothing but INTEGER_CST.
4056         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
4057         and 1.
4058         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
4059
4060         * flow.c (delete_dead_jumptables): Speed up by scanning insns
4061         that do not belong to any basic block.
4062
4063 2005-02-21  Jeff Law  <law@redhat.com>
4064
4065         * cfganal.c (find_unreachable_blocks): Manually CSE load of
4066         e->dest.
4067
4068 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4069
4070         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
4071         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
4072         Adjust their definitions.
4073         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
4074         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
4075
4076         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
4077         genautomata.c, langhooks.c, langhooks.h, system.h,
4078         config/arm/lib1funcs.asm: Update copyright.
4079
4080 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4081
4082         * dbxout.c (dbxout_function_end): Emit Lscope label always.
4083
4084 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
4085
4086         PR bootstrap/13770
4087         * doc/install.texi: Document --with-gc.
4088
4089 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
4090
4091         * simplify-rtx.c (simplify_unary_operation): Add a missing
4092         "break" statement.
4093
4094 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4095
4096         PR tree-optimization/18663
4097         * tree-ssa-dom.c (extract_range_from_cond): Return 0
4098         if the type has variable bounds.
4099
4100 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
4101
4102         * gcse.c: Remove an obsolete comment.
4103
4104         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
4105
4106 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
4107
4108         * doc/extend.texi (Function Attributes) <Attribute const>: The
4109         attribute "pure" is below this text, not above.
4110
4111 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4112
4113         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
4114         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
4115         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
4116
4117 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
4118
4119         PR 18785
4120         * langhooks.h (struct lang_hooks): Add to_target_charset.
4121         * langhooks.c (lhd_to_target_charset): New function.
4122         * langhooks-def.h: Declare lhd_to_target_charset.
4123         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
4124         (LANG_HOOKS_INITIALIZER): Update.
4125         * c-common.c (c_common_to_target_charset): New function.
4126         * c-common.h: Declare it.
4127         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
4128         c_common_to_target_charset.
4129
4130         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
4131         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
4132         Delete definitions.
4133         * system.h: Poison them.
4134         * doc/tm.texi: Don't discuss them.
4135         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
4136         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
4137         (pp_c_char): Do not attempt to generate letter escapes for
4138         newline, tab, etc.
4139         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
4140         * config/mips/mips.c (mips_output_ascii): Likewise.
4141
4142 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
4143
4144         PR tree-optimization/19951
4145         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
4146         is abnormal.
4147
4148 2005-02-19  Steven Bosscher  <stevenb@suse.de>
4149
4150         PR middle-end/19698
4151         * function.h (struct function): New field `max_loop_depth'.
4152         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
4153         (flow_loops_find): Reset the max loop depth count before finding loops.
4154         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
4155         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
4156         (calculate_global_regs_live): Make sure the loop will terminate
4157         when the initial sets are not empty.
4158
4159 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
4160
4161         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
4162         object inside.
4163         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
4164
4165 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
4166
4167         PR other/19525
4168         * doc/invoke.texi: Remove documentation of %M spec.
4169         * gcc.c: Likewise.
4170         (init_spec): Remove %M suffix from -lgcc_s.
4171         (do_spec_1): Remove 'M' case.
4172         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
4173         to put shared libraries in the multilib directory.  Remove the
4174         shlib_so_soname substitution variable.  Don't add a multilib encoding
4175         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
4176         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
4177         SHLIB_INSTALL as well as SHLIB_LINK.
4178         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
4179         (SHLIB_NAME): Delete.
4180         (SHLIB_DIR): New macro.
4181         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
4182         (SHLIB_INSTALL): Adjust accordingly.
4183         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
4184         * config/t-slibgcc-sld: Likewise.
4185         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
4186         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
4187         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
4188         in $(SHLIB_DIR).
4189         (SHLIBUNWIND_INSTALL): Adjust accordingly.
4190         * config/i386/t-nwld (SHLIB_SONAME): Delete.
4191         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
4192         Use @shlib_base_name@ instead of @shlib_so_name@.
4193         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
4194         and @shlib_base_name@.so in @multilib_dir@.
4195         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
4196         to the install path.
4197         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
4198         (SHLIB_LINK): Remove previous workaround.
4199         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
4200         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
4201         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
4202         the install path.
4203         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
4204         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
4205         (SHLIB_INSTALL): Adjust accordingly.
4206         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
4207         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
4208         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
4209         config/t-slibgcc-elf-ver.
4210
4211 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
4212             Jakub Jelinek  <jakub@redhat.com>
4213
4214         PR tree-optimization/19828
4215         * tree-ssa-loop-im.c: Add a TODO comment.
4216         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
4217         without side-effects.
4218
4219 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4220
4221         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
4222         call fold_convert.
4223
4224 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
4225
4226         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
4227         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
4228         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
4229         functions.
4230         (ia64_reorg): Delete fixup_errata call.
4231         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
4232         (TARGET_SWITCHES): Delete -mb-step entry.
4233
4234 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
4235
4236         PR c/20043
4237         * c-typeck.c (composite_type): Handle quals in transparent unions.
4238         (type_lists_compatible_p): Likewise.
4239
4240 2005-02-18  Stan Shebs  <shebs@apple.com>
4241
4242         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4243         expressions in the .literal8 section.
4244
4245 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
4246
4247         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4248
4249 2005-02-18  Roger Sayle  <roger@eyesopen.com>
4250
4251         * fold-const.c (constant_boolean_node): Always create values of the
4252         specified type, don't bother calling truthvalue_conversion.
4253
4254 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4255
4256         * except.c (output_function_exception_table): Call
4257         assemble_external_libcall (eh_personality_libfunc).
4258
4259 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4260
4261         PR target/19886
4262         * config/ia64/ia64.h (struct machine_function): Add state_num.
4263         * config/ia64/ia64.c (process_epilogue,
4264         process_for_unwind_directive): Use new unwind state numbers each
4265         time rather than state 1.
4266
4267 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
4268
4269         PR target/20054
4270         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4271         before the "*llgt_didi" pattern.
4272
4273 2005-02-18  Jason Merrill  <jason@redhat.com>
4274
4275         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4276
4277 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
4278
4279         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4280         (div0): Use it in place of ARM_FUNC_ALIAS.
4281         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4282
4283 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
4284
4285         PR middle-end/20030
4286         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4287         access, the lower bound of the array type if it exists.
4288
4289 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4290
4291         PR c++/20008
4292         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4293         cases that are out-of-range for the index type.
4294
4295 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4296
4297         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4298         (estimate_case_costs): Don't call convert.
4299         * expmed.c (expand_shift): Likewise.
4300         (make_tree): Call fold_convert instead of convert.
4301
4302 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4303
4304         PR c++/19813
4305         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4306         that ref to be marked MEM_READONLY_P doesn't have base that needs
4307         constructing.
4308
4309 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4310
4311         * genautomata.c (output_get_cpu_unit_code_func,
4312         output_cpu_unit_reservation_p): Don't generate old-style function
4313         definitions.
4314
4315 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4316
4317         PR c++/20023
4318         PR tree-optimization/20009
4319         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4320
4321         PR tree-optimization/18947
4322         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4323         inline, remove all nodes that are inlined into the extern inline
4324         being redefined.
4325
4326 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4327
4328         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4329         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4330         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4331         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4332         Update copyright.
4333
4334 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4335
4336         PR tree-optimization/19917
4337         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4338         to be potentially trapping.
4339
4340 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4341
4342         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4343
4344 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4345
4346         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4347         tem becomes a local variable which is set to the value of the
4348         back end defined INITIAL_FRAME_ADDRESS macro.
4349         (expand_builtin_frame_address): Omit the base parameter to
4350         expand_builtin_return_addr.
4351         (expand_builtin_profile_func): Likewise.
4352         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4353         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4354         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4355
4356 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4357
4358         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4359         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4360         * config/frv/frv.c (frv_function_epilogue): Likewise.
4361
4362 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4363
4364         * lambda-code (perfect_nestify): Remove mark/unmark
4365         for rewriting hack.
4366         * tree-loop-linear.c (linear_transform_loops): Add
4367         rewrite_into_ssa call so that ssa is correct for
4368         rewriting into loop closed.
4369
4370 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4371
4372         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4373         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4374         BITMAP_FREE.
4375         * bt-load.c (btr_def_live_range, combine_btr_defs,
4376         migrate_btr_def, migrate_btr_defs): Likewise.
4377         * cfgcleanup.c (thread_jump): Likewise.
4378         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4379         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4380         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4381         df_rd_local_compute, df_reg_info_compute): Likewise.
4382         * dominance.c (init_dom_info, free_dom_info): Likewise.
4383         * flow.c (init_propagate_block_info,
4384         free_propagate_block_info): Likewise.
4385         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4386         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4387         modify_reg_pav): Likewise.
4388         * loop-invariant.c (find_defs, find_invariant_insn,
4389         find_invariants, free_inv_motion_data): Likewise.
4390         * predict.c (tree_predict_by_opcode,
4391         estimate_bb_frequencies): Likewise.
4392         * stmt.c (expand_case): Likewise.
4393         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4394         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4395         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4396         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4397         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4398         rewrite_ssa_into_ssa): Likewise.
4399         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4400         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4401         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4402         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4403         * tree-sra.c (tree_sra): Likewise.
4404         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4405         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4406         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4407         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4408         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4409         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4410         Likewise.
4411         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4412         calculate_live_on_entry, calculate_live_on_exit,
4413         build_tree_conflict_graph): Likewise.
4414         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4415         record_important_candidates, set_use_iv_cost, find_depends,
4416         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4417         tree_ssa_iv_optimize_finalize): Likewise.
4418         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4419         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4420         tree_duplicate_loop_to_header_edge): Likewise.
4421         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4422         * tree-ssa.c (verify_flow_insensitive_alias_info,
4423         verify_name_tags, verify_ssa, init_tree_ssa,
4424         delete_tree_ssa): Likewise.
4425         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4426         fini_ssanames): Likewise.
4427         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4428
4429 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4430
4431         * config/rs6000/t-rtems: Completely reworked.
4432
4433 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4434
4435         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4436
4437 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4438
4439         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4440         POINTER_TYPE_P when checking that type is a pointer.
4441         (vect_get_memtag): Remove.
4442         (vect_address_analysis): Use POINTER_TYPE_P. Call
4443         vect_object_analysis with dummy parameter for memtag.
4444         (vect_object_analysis): Extract memtag (functionality that
4445         used to be in vect_get_memtag and moved here). Fix printings.
4446         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4447         with correct parameters. Remove call to vect_get_memtag.
4448
4449 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4450
4451         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4452         (tree-vectorizer.o): Added missing dependencies.
4453
4454         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4455         decleration.
4456         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4457         declaration in tree-vectorizer.c, now has an extern declaration in
4458         tree-vectorizer.h).
4459         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4460         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4461         get_vectype_for_scalar_type, vect_is_simple_use,
4462         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4463         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4464         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4465         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4466         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4467         find_loop_location): Likewise.
4468
4469         * tree-vectorizer.c (langhooks.h): #include removed.
4470         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4471         moved to tree-vectorized.h.
4472         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4473         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4474         get_vectype_for_scalar_type, vect_is_simple_use,
4475         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4476         vect_supportable_dr_alignment, new_loop_vec_info,
4477         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4478         vect_set_verbosity_level, find_loop_location): Likewise.
4479
4480         (vect_analyze_loop): Function externalized. Declaration moved to
4481         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4482         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4483         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4484         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4485         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4486         vect_enhance_data_refs_alignment, vect_analyze_operations,
4487         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4488         vect_stmt_relevant_p, vect_get_loop_niters,
4489         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4490         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4491         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4492         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4493         vect_get_memtag): Likewise.
4494
4495         (vectorizable_load): Function externalized. Declaration moved to
4496         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4497         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4498         vect_transform_loop): Likewise.
4499         (vect_transform_stmt): Moved to tree-vect-transform.c.
4500         (vect_align_data_ref, vect_create_destination_var,
4501         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4502         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4503         vect_get_vec_def_for_operand, vect_init_vector,
4504         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4505         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4506         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4507         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4508         vect_do_peeling_for_loop_bound): Likewise.
4509
4510         * tree-vect-analyze.c: New file.
4511         * tree-vect-transform.c: New file.
4512
4513 2005-02-17  Jason Merrill  <jason@redhat.com>
4514
4515         PR mudflap/19319, c++/19317
4516         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4517         slot explicit.
4518
4519 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4520
4521         * doc/install.texi (Specific): Update link for Darwin-specific
4522         tool binary site.
4523
4524 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4525
4526         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4527         constant_boolean_node.
4528
4529 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4530
4531         PR target/19019
4532         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4533         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4534
4535 2005-02-16  Richard Henderson  <rth@redhat.com>
4536
4537         PR 19920
4538         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4539         with W_TYPE_SIZE.
4540         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4541         replace uses with Wtype_MAXp1_F.
4542         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4543         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4544         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4545         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4546         and HAVE_TFMODE as appropriate.
4547         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4548         (__floatdisf): Likewise.
4549         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4550         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4551         (Wtype_MAXp1_F): New.
4552         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4553         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4554
4555 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4556
4557         * PR target/19162
4558         * arm.c (arm_apply_result_size): New function.
4559         * arm.h (APPLY_RESULT_SIZE): Define.
4560         * arm-protos.h (arm_apply_result_size): Add prototype.
4561         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4562         (movxf): New expand.
4563         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4564         (call_value_symbol): Remove predicate for operand 0.
4565         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4566         (untyped_call): Rework to correclty return values for any type.
4567         (untyped_return): New expand.
4568         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4569
4570 2005-02-16  Stan Shebs  <shebs@apple.com>
4571
4572         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4573         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4574
4575 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4576
4577         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4578         configure settings on Solaris 7 and later.
4579
4580 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4581
4582         PR tree-optimization/19865
4583         * tree-optimize.c (init_tree_optimization_passes): Run
4584         pass_may_alias after pass_sra.
4585
4586 2005-02-16  Richard Henderson  <rth@redhat.com>
4587             Stuart Hastings  <stuart@apple.com>
4588
4589         PR debug/19521
4590         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4591         Do nothing if debug info suppressed for this function.
4592         (dbxout_begin_function): Early exit if debug info suppressed for
4593         this function.
4594
4595 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4596
4597         PR target/20007
4598         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4599         find_basic_blocks.
4600         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4601
4602         PR tree-optimization/19967
4603         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4604         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4605         argument TYPE.  Adjust calls to fold_builtin_XXX.
4606         (expand_builtin, fold_builtin_1): Adjust calls to
4607         expand_builtin_XXX.
4608         (fold_builtin_strchr, fold_builtin_strpbrk,
4609         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4610         result to a requested type TYPE.
4611
4612 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4613
4614         PR middle-end/19857
4615         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4616         (T)x & (T)cst if (T)cst overflows.
4617         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4618         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4619
4620 2005-02-15  Jeff Law  <law@redhat.com>
4621
4622         * gcse.c (blocks_with_calls): New bitmap.
4623         (alloc_gcse_mem): Allocate it.
4624         (free_gcse_mem): Free it.
4625         (clear_modifY_mem_tables): Clear it.
4626         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4627         when we encounter CALL_INSNs.
4628         (compute_transp, case MEM): Handle blocks with calls separate
4629         from blocks without calls.  Use bitmap iterators rather than
4630         FOR_EACH_BB.
4631
4632 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4633
4634         PR bootstrap/18810
4635         * mklibgcc.in (vis_hide): Use a temporary object file, not
4636         -o /dev/null.
4637
4638 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4639
4640         PR target/19924
4641         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4642         access optimization.
4643
4644 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4645             Alan Modra  <amodra@bigpond.net.au>
4646
4647         PR target/19019
4648         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4649         (_xlqsub): Rename to __gcc_qsub.
4650         (_xlqmul): Rename to __gcc_qmul.
4651         (_xlqdiv): Rename to __gcc_qdiv.
4652         Provide versioned symbol aliases with old names.
4653         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4654         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4655         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4656         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4657         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4658
4659 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4660
4661         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4662         Fold ~(A - 1) and ~(A + -1) to -A.
4663
4664 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4665
4666         PR pch/14940
4667         PR target/19300
4668         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4669         config/pa/pa-host.c:pa_gt_pch_use_address.
4670
4671 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4672
4673         * tree-vn.c (get_value_handle): Make sure that given an
4674         is_gimple_min_invariant expression, we always return it.
4675
4676 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4677
4678         * passes.c (rest_of_handle_gcse): Fix a comment.
4679
4680 2005-02-15  Jeff Law  <law@redhat.com>
4681
4682         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4683         bitmap.
4684         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4685         (canon_list_insert, record_last_mem_set_info): Similarly.
4686         (clear_modify_mem_tables): Similarly.
4687
4688 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4689
4690         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4691         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4692         config/mips/mips.md, config/rs6000/aix.h,
4693         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4694
4695 2005-02-15  Richard Henderson  <rth@redhat.com>
4696
4697         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4698         call to be best_edge.
4699
4700 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4701
4702         * basic-block.h: Adjust the prototype for find_basic_blocks.
4703         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4704         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4705         find_basic_blocks.
4706
4707         * flow.c (recompute_reg_usage): Remove all arguments.
4708         * passes.c (rest_of_compilation): Adjust the call to
4709         recompute_reg_usage.
4710         * rtl.h: Adjust the prototype for recompute_reg_usage.
4711
4712 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4713
4714         * tree-dump.c (dump_files): Update to reflect new member
4715         of dump_file_info.
4716         (dump_register): Add new argument.
4717         Set glob name.
4718         (dump_switch_p_1): Check against glob name if doglob was passed.
4719         (dump_switch_p): Check against regular first, then glob if
4720         we didn't have any hits on the dump name.
4721         * tree-optimize.c (register_one_dump_file):
4722         Pass in glob name as well.
4723         * tree-pass.h (struct dump_file_info): Add glob
4724         member.
4725
4726 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4727
4728         PR preprocessor/16323
4729         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4730
4731 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4732
4733         PR target/19019
4734         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4735         (trunctfdf2_internal1): New.
4736         (trunctfdf2_internal2): Renamed from trunctfdf2.
4737
4738 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4739
4740         PR tree-optimization/19853
4741         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4742
4743 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4744
4745         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4746         delete_dead_jumptables and cleanup_cfg.
4747
4748 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4749
4750         * reload.c (find_reloads): Swap address_reloaded flags when
4751         swapping commutative operands.
4752
4753 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4754
4755         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4756         Use standard_iv_increment_position for computing the bsi position
4757         for create_iv.
4758         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4759         the bsi position.
4760
4761 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4762
4763         PR target/17428
4764         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4765         life range of hard registers.
4766         * value-prof.c (insn_prefetch_values_to_profile): Only
4767         scan normal insns.
4768
4769         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4770         profile in libcalls.
4771
4772 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4773
4774         * bitmap.h (bitmap_and_compl_into): Return bool.
4775         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4776
4777 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4778
4779         PR tree-optimization/19944
4780         * fold-const.c (fold): Re-add ABS_EXPR folding.
4781
4782 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4783
4784         PR target/19019
4785         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4786         {TARGET,MASK}_XL_COMPAT.
4787         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4788         MASK_XL_COMPAT.
4789         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4790         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4791         TARGET_XL_COMPAT.
4792         (rs6000_arg_partial_bytes): Same.
4793         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4794         and XL compatibility enabled.
4795         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4796         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4797         test to final condition.
4798         (cmptf_internal2): New.
4799         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4800         xl-compat.  Add TFmode information to description.
4801
4802 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4803
4804         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4805
4806 2005-02-13  Jason Merrill  <jason@redhat.com>
4807
4808         PR c++/16405
4809         * fold-const.c (fold_indirect_ref_1): Split out from...
4810         (build_fold_indirect_ref): Here.
4811         (fold_indirect_ref): New fn.
4812         * tree.h: Declare it.
4813         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4814         (gimplify_modify_expr_rhs): Likewise.
4815         (gimplify_expr): Likewise.
4816
4817 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4818
4819         PR tree-optimization/14303
4820         PR tree-optimization/15784
4821         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4822         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4823         ABS_EXPR<x> != 0 to x != 0.
4824
4825 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4826
4827         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4828         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4829         spelling conventions.
4830
4831         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4832         delete_trivially_dead_insns too many times.
4833
4834         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4835         tem and tem2.
4836
4837 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4838
4839         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4840         (vect_is_simple_iv_evolution): Remove redundant parameter
4841         and step check.
4842         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4843         without last parameter.
4844         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4845         Return pointer step. Call vect_is_simple_iv_evolution without
4846         last parameter. Check only that the step is multiple of size
4847         type. Remove stmt_vinfo updates.
4848         (vect_get_memtag_and_dr): Remove.
4849         (vect_get_memtag): New function.
4850         (vect_address_analysis): New function.
4851         (vect_object_analysis): New function.
4852         (vect_analyze_data_refs): Call vect_object_analysis and
4853         vect_get_memtag. Update stmt_vinfo fields.
4854
4855 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4856
4857         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4858         exist and are objects. Remove checks for pointer.
4859         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4860         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4861         (vect_create_data_ref_ptr): Likewise.
4862         (vect_base_addr_differ_p): New function.
4863         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4864         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4865         Don't set the DR_BASE_NAME field of data-ref.
4866         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4867
4868 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4869
4870         * optabs.h (enum optab_index): Add new OTI_ldexp.
4871         (ldexp_optab): Define corresponding macro.
4872         * optabs.c (init_optabs): Initialize ldexp_optab.
4873         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4874         patterns.
4875         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4876         using ldexp_optab.
4877         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4878         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4879
4880         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4881         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4882         intrinsics.
4883
4884 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4885
4886         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4887         to base_address.
4888         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4889         stmt_vec_info.
4890         (vect_get_base_and_offset): Always return an address.
4891         (vect_create_addr_base_for_vector_ref): Remove treatment for
4892         different data reference types.
4893         (vect_compute_data_ref_alignment): Rename base to base_address in
4894         stmt_vec_info. Get the object in order to force its alignment.
4895         (vect_get_memtag_and_dr): Rename base to base_address in
4896         stmt_vec_info. Extract the object for memtag analysis.
4897
4898 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4899
4900         PR regression/19898.
4901         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4902         changes cc_status, use apply modified_in_p to part of cc_status
4903         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4904         body.
4905
4906 2005-02-11  Richard Henderson  <rth@redhat.com>
4907
4908         * tree-complex.c (expand_complex_libcall): New.
4909         (expand_complex_multiplication): Use it for c99 compliance.
4910         (expand_complex_division): Likewise.
4911         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4912         (fold): Call them.
4913         * builtins.c (built_in_names): Remove const.
4914         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4915         builtins.
4916         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4917         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4918         (built_in_names): Remove const.
4919         * c-common.c (c_common_type_for_mode): Handle complex modes.
4920         * flags.h, toplev.c (flag_complex_method): Rename from
4921         flag_complex_divide_method.
4922         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4923         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4924         * libgcc2.h: Declare them.
4925         * libgcc-std.ver: Export them.
4926         * mklibgcc.in (lib2funcs): Build them.
4927
4928 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4929
4930         PR tree-optimization/19876
4931         Partially revert my change from 2005-01-14
4932         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4933         (compute_antic): ...and remove the loop here.
4934
4935 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4936
4937         PR middle-end/19858
4938         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4939         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4940
4941         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4942         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4943
4944 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4945
4946         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4947         offsets for the big-endian 32-bit case.
4948
4949 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4950
4951         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4952
4953 2005-02-11  Dale Johannesen  <dalej@apple.com>
4954
4955         * cselib.c (cselib_process_insn):  Clear out regs where
4956         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4957         * reload.c (find_equiv_reg): Ditto.
4958
4959 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4960
4961         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4962         with no elements.
4963
4964         * tree.c (build_function_type_list): Work correctly if there are
4965         no arguments.
4966
4967 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4968
4969         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4970         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4971         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4972         TARGET_ZARCH instead of TARGET_64BIT.
4973
4974 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4975
4976         * config/rs6000/t-rtems:
4977         (MULTILIB_OPTIONS): Remove mcpu=602.
4978         (MUTLILIB_DIRNAMES): Remove m602.
4979         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4980         Let mcpu=602 match mcpu=603.
4981         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4982
4983 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4984
4985         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4986         signal trampolines.
4987
4988 2005-02-10  David Daney  <ddaney@avtrex.com>
4989
4990         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4991         * config/i386/linux-unwind.h: Likewise.
4992         * config/ia64/linux-unwind.h: Likewise.
4993         * config/mips/linux-unwind.h: Likewise.
4994         * config/pa/linux-unwind.h: Likewise.
4995         * config/rs6000/linux-unwind.h: Likewise.
4996         * config/s390/linux-unwind.h: Likewise.
4997         * config/sh/linux-unwind.h: Likewise.
4998         * config/sparc/linux-unwind.h: Likewise.
4999
5000 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5001
5002         PR tree-optimization/17549
5003         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
5004         TER to replace a DEF with its expression if the DEF and the
5005         rhs of the expression we replace into have the same root
5006         variable.
5007
5008 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
5009
5010         * config/mips/mips.md: Fix the placement of the match_scratch in the
5011         lea64 peephole2.
5012
5013 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5014
5015         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
5016         Fix comment typos.
5017
5018 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
5019
5020         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
5021         (strip_offset): Handle addresses.
5022         (add_address_candidates): Use strip_offset.
5023         (difference_cost): Reflect strip_offset change.
5024         (force_var_cost, difference_cost): Strip nops.
5025
5026 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5027
5028         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
5029
5030         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
5031         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
5032         config/cris/cris-protos.h, config/cris/cris.c: Update
5033         copyright.
5034
5035 2005-02-10  Jeff Law  <law@redhat.com>
5036
5037         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
5038         (lookup_avail_expr): Similarly.
5039
5040 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
5041
5042         * builtins.c (fold_builtin_powi): New function.
5043         (fold_builtin_1): Call it.
5044
5045 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5046
5047         PR documentation/19309
5048         * doc/cpp.texi: The __GNUC__ and related predefined macros
5049         are also defined for the "standalone" cpp.
5050         Some non-GCC compilers may also define __GNUC__.
5051
5052 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
5053
5054         PR c/19342
5055         * c-typeck.c (common_type): New routine.  Old common_type renamed
5056         to...
5057         (c_common_type): ...this.
5058         (build_conditional_expr, build_binary_op): Use c_common_type instead
5059         of common_type.
5060
5061 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5062
5063         * doc/md.texi: Replace @samp{length} with @code{length}.
5064
5065 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5066
5067         PR tree-optimization/18687
5068         * tree-flow.h (find_loop_niter): Declare.
5069         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
5070         Try using scev even for loops with more than one exit.
5071         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
5072         (struct ivopts_data): Added niters field.
5073         (struct nfe_cache_elt): New.
5074         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
5075         functions.
5076         (tree_ssa_iv_optimize_init): Initialize niters cache.
5077         (determine_number_of_iterations): Removed.
5078         (find_induction_variables): Do not call determine_number_of_iterations.
5079         Access niters for single exit through niter_for_single_dom_exit.
5080         (add_iv_outer_candidates): Access niters for single exit through
5081         niter_for_single_dom_exit.
5082         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
5083         number_of_iterations_cond.
5084         (iv_period): New function.
5085         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
5086         (may_replace_final_value): Take data argument.  Use
5087         niter_for_single_dom_exit.
5088         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
5089         (rewrite_use_compare): Pass data to may_eliminate_iv.
5090         (rewrite_use_outer): Pass data to may_replace_final_value.
5091         (free_loop_data): Clean up the niters cache.
5092         (tree_ssa_iv_optimize_finalize): Free the niters cache.
5093         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
5094         * tree-ssa-loop-niter.c (find_loop_niter): New function.
5095         (find_loop_niter_by_eval): Use tree_int_cst_lt.
5096         (num_ending_zeros): Moved to tree.c.
5097         * tree.h (num_ending_zeros): Declare.
5098         * tree.c (num_ending_zeros): Moved from tree.c.
5099
5100 2005-02-09  Richard Henderson  <rth@redhat.com>
5101
5102         * builtins.c (DEF_BUILTIN): Add COND argument.
5103         * tree.h (DEF_BUILTIN): Likewise.
5104         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
5105         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
5106         match.
5107         (DEF_BUILTIN_STUB): New.
5108         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
5109         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
5110         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
5111         * c-common.c (DEF_BUILTIN): Add COND argument.
5112         * tree.c (local_define_builtin): New.
5113         (build_common_builtin_nodes): New.
5114
5115 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5116
5117         * fold-const.c (fold_strip_sign_ops): New function to simplify a
5118         floating point expression ignoring the sign of the result.
5119         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
5120         (fold) <MULT_EXPR>: Use it to simplify x*x.
5121         * tree.h (fold_strip_sign_ops): Prototype here.
5122         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
5123         argument.  Use fold_strip_sign_ops to simplify the first argument.
5124         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
5125         first argument when the second argument is an even integer
5126         constant, but only with -funsafe_math_optimizations.
5127         (fold_builtin_1): Update call to fold_builtin_copysign.
5128
5129 2005-02-09  Ian Lance Taylor  <ian@airs.com>
5130
5131         PR middle-end/19583
5132         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
5133         just check whether EH_FILTER_FAILURE falls through.
5134
5135 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5136
5137         * gcc/haifa-sched.c (schedule_block): Make queued sched group
5138         insns return to ready list in the next turn.
5139
5140 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5141
5142         PR middle-end/19402
5143         * builtins.def: New __builtin_powi[lf].
5144         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
5145         (expand_builtin_powi): New function.
5146         (expand_builtin): Dispatch to expand_builtin_powi.
5147         * libgcc2.h: Add prototypes for __builtin_powi[lf].
5148         * libgcc2.c: Add __builtin_powi[lf] implementation.
5149         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
5150         * optabs.h: Add powi_optab.
5151         * optabs.c (init_optabs): Initialize powi_optab.
5152         * doc/extend.texi: Document __builtin_powi[lf].
5153
5154 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
5155
5156         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
5157         exists.
5158
5159 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5160
5161         PR middle-end/19854
5162         * fold-const.c (try_move_mult_to_index): Remove redundant
5163         type argument.  Create ADDR_EXPR with correct type.
5164         (fold): Update callers of try_move_mult_to_index.  Convert
5165         result to the appropriate type.
5166
5167 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5168
5169         PR target/19597
5170         * config/avr/avr.c (default_rtx_costs): Delete.
5171         (avr_operand_rtx_cost): New function.
5172         (avr_rtx_costs): Completely rewrite.
5173
5174 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
5175
5176         PR target/19806
5177         * config/cris/cris.c (in_code): New variable.
5178         (cris_output_addr_const): Now a static function, a wrapper for
5179         output_addr_const.
5180         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
5181         case from old cris_output_addr_const.
5182         (cris_asm_output_label_ref): Similar for LABEL_REF.
5183         (cris_output_addr_const_extra): Similar for UNSPEC.
5184         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
5185         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
5186         * config/cris/cris-protos.h (cris_output_addr_const): Remove
5187         declaration.
5188         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
5189         (cris_asm_output_label_ref): Declare.
5190
5191 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
5192
5193         PR preprocessor/19801
5194         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
5195         filenames that changed when libcpp was moved to the toplevel.
5196
5197 2005-02-07  Roger Sayle  <roger@eyesopen.com>
5198
5199         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5200         zero extensions of BImode operands.  Call lowpart_subreg instead
5201         of gen_lowpart_common and gen_lowpart_SUBREG.
5202
5203 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
5204
5205         PR ada/19489
5206         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
5207         * configure.ac: Set cc_for_cross_gnattools.
5208         * configure: Regenerate.
5209
5210 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
5211
5212         PR target/19803
5213         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
5214
5215 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5216
5217         PR debug/19327
5218         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
5219         of nested functions.
5220
5221 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
5222
5223         * doc/extend.texi: Document deprecated extensions allowing
5224         static floating-point members to have initializers and allowing
5225         floating-point literals in integral constant expressions.
5226
5227 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
5228
5229         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
5230         config/darwin7.h, config/mips/mips.c,
5231         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
5232         Update copyright.
5233
5234         * cse.c: Update comments.
5235
5236 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
5237
5238         PR middle-end/19775
5239         * builtins.c (fold_builtin_sqrt): Transform
5240         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5241         pow(x,y*0.5).
5242
5243 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
5244             Dorit Naishlos  <dorit@il.ibm.com>
5245
5246         * doc/invoke.texi (ftree-vectorizer-verbose): New.
5247         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5248         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5249         was added.
5250         * tree.h (vect_set_verbosity_level): New extern function declaration
5251         added.
5252         * tree-vectorizer.h (verbosity_levels): New enum type.
5253         * tree-vectorizer.c (vect_debug_stats): Function removed.
5254         (vect_debug_details): Likewise.
5255         (vect_verbosity_level): Global variable was defined and initialized.
5256         (vect_dump): Global variable definition.
5257         (vect_print_dump_info): New function.
5258         (vect_set_dump_settings): New function.
5259         (vect_set_verbosity_level): New function.
5260         (vectorize_loops): Add call to vect_set_dump_settings.
5261
5262         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5263         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5264         (slpeel_tree_peel_loop_to_edge): Likewise.
5265
5266         (vect_analyze_offset_expr): Call to vect_print_dump_info with
5267         appropriate verbosity level instead of call to vect_debug_details
5268         or vect_debug_stats.
5269         (vect_get_base_and_offset):
5270         (vect_create_addr_base_for_vector_ref):
5271         (get_vectype_for_scalar_type):
5272         (vect_create_data_ref_ptr):
5273         (vect_init_vector):
5274         (vect_get_vec_def_for_operand):
5275         (vect_finish_stmt_generation):
5276         (vectorizable_assignment):
5277         (vectorizable_operation):
5278         (vectorizable_store):
5279         (vectorizable_load):
5280         (vect_transform_stmt):
5281         (vect_update_ivs_after_vectorizer):
5282         (vect_do_peeling_for_loop_bound):
5283         (vect_update_inits_of_drs):
5284         (vect_do_peeling_for_alignment):
5285         (vect_transform_loop):
5286         (vect_is_simple_use):
5287         (vect_analyze_operations):
5288         (vect_is_simple_iv_evolution):
5289         (vect_analyze_scalar_cycles):
5290         (vect_analyze_data_ref_dependence):
5291         (vect_analyze_data_ref_dependences):
5292         (vect_compute_data_ref_alignment):
5293         (vect_enhance_data_refs_alignment):
5294         (vect_analyze_data_refs_alignment):
5295         (vect_analyze_data_ref_access):
5296         (vect_analyze_data_ref_accesses):
5297         (vect_analyze_pointer_ref_access):
5298         (vect_get_memtag_and_dr):
5299         (vect_analyze_data_refs):
5300         (vect_mark_relevant):
5301         (vect_stmt_relevant_p):
5302         (vect_mark_stmts_to_be_vectorized):
5303         (vect_can_advance_ivs_p):
5304         (vect_get_loop_niters):
5305         (vect_analyze_loop_form):
5306         (vect_analyze_loop):
5307         (vectorize_loops): Likewise.
5308
5309         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5310         (vect_update_inits_of_drs):
5311         (vect_do_peeling_for_alignment):
5312         (vect_transform_loop):
5313         (vect_analyze_operations):
5314         (vect_analyze_scalar_cycles):
5315         (vect_analyze_data_ref_dependences):
5316         (vect_analyze_data_refs_alignment):
5317         (vect_analyze_data_ref_accesses):
5318         (vect_analyze_data_refs):
5319         (vect_mark_stmts_to_be_vectorized):
5320         (vect_get_loop_niters):
5321         (vect_analyze_loop_form):
5322         (vect_analyze_loop): Likewise.
5323         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5324
5325 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5326
5327         PR bootstrap/19796
5328         Revert:
5329         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5330         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5331         either -ffast-math or -funsafe-math-optimizations is in use.
5332
5333         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5334         * config/mips/irix-csr.c: New file.
5335         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5336         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5337         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5338         executables.
5339
5340 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5341
5342         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5343         redundant, incorrect definitions.
5344
5345         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5346         expand.
5347         ("*tls_indirect_call"): New, reference hard regs directly.
5348         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5349
5350 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5351
5352         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5353         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5354
5355 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5356
5357         PR rtl-optimization/19800
5358         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5359         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5360         gen_lowpart.
5361
5362 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5363
5364         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5365
5366 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5367
5368         PR other/17135
5369         * doc/invoke.texi: Correct documentation of -freorder-functions.
5370
5371 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5372
5373         PR other/14402
5374         * doc/invoke.texi: Don't mention gccbug.
5375
5376 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5377             Andrew Pinski  <pinskia@physics.uc.edu>
5378             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5379
5380         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5381         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5382         into just (zero_extract:SI FOO (const_int 1) BAR).
5383
5384 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5385
5386         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5387         macro locally.  Don't give last revision date.  Use GCC version
5388         number from gcc-common.texi.
5389         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5390         revision date.  Use GCC version number from gcc-common.texi.
5391         Describe being a library as current state rather than as 3.x
5392         history.
5393         * doc/gcc.texi: Remove last update date.
5394         * doc/gccint.texi: Likewise.  Update copyright dates.
5395         * doc/install.texi: Update copyright dates.
5396
5397 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5398
5399         PR other/7549
5400         * doc/invoke.texi: Mention for each option included in -Wall that
5401         it is included in -Wall.
5402         * doc/gcc.texi: Update copyright and last modification date.
5403
5404 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5405
5406         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5407         unnecessary cast to original induction variable increments.
5408
5409 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5410
5411         PR tree-optimization/18219
5412         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5413         in distributed form.
5414
5415 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5416
5417         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5418         Set bitpos and offset later in the function.  Do nothing if the
5419         target is a register and if the bitfield lies completely outside
5420         that register.
5421         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5422         here.  Return an uninitialised register if the source value is stored
5423         in a register and the bitfield lies completely outside that register.
5424
5425 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5426
5427         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5428         not SET_DEST.
5429
5430 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5431
5432         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5433
5434 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5435
5436         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5437         * config/darwin8.h: New.
5438         * config/darwin7.h: Update comment.
5439
5440 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5441             Dorit Naishlos  <dorit@il.ibm.com>
5442
5443         * tree-vectorizer.h (LOC): New type.
5444         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5445         (loop_line_number): New field in struct _loop_vec_info.
5446         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5447
5448         * tree-vectorizer.c (input.h): Included.
5449         (find_loop_location): New function.
5450         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5451         loop line number removed.
5452         (vect_debug_details): Likewise.
5453         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5454
5455         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5456         call to vect_debug_details/stats changed from loop to loop_loc.
5457         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5458         (slpeel_tree_peel_loop_to_edge): Likewise.
5459
5460         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5461         changed from NULL to UNKNOWN_LOC.
5462         (vect_get_base_and_offset):
5463         (vect_create_addr_base_for_vector_ref):
5464         (get_vectype_for_scalar_type):
5465         (vect_create_data_ref_ptr):
5466         (vect_init_vector):
5467         (vect_get_vec_def_for_operand):
5468         (vect_finish_stmt_generation):
5469         (vectorizable_assignment):
5470         (vectorizable_operation):
5471         (vectorizable_store):
5472         (vectorizable_load):
5473         (vect_transform_stmt):
5474         (vect_update_ivs_after_vectorizer):
5475         (vect_do_peeling_for_loop_bound):
5476         (vect_do_peeling_for_alignment):
5477         (vect_transform_loop):
5478         (vect_is_simple_use):
5479         (vect_analyze_operations):
5480         (vect_is_simple_iv_evolution):
5481         (vect_analyze_scalar_cycles):
5482         (vect_analyze_data_ref_dependences):
5483         (vect_compute_data_ref_alignment):
5484         (vect_enhance_data_refs_alignment):
5485         (vect_analyze_data_ref_access):
5486         (vect_analyze_data_ref_accesses):
5487         (vect_analyze_pointer_ref_access):
5488         (vect_get_memtag_and_dr):
5489         (vect_analyze_data_refs):
5490         (vect_mark_relevant):
5491         (vect_stmt_relevant_p):
5492         (vect_mark_stmts_to_be_vectorized):
5493         (vect_can_advance_ivs_p):
5494         (vect_get_loop_niters):
5495         (vect_analyze_loop):
5496         (vectorize_loops): Likewise.
5497
5498         (vectorizable_load): Argument in call to vect_debug_details/stats
5499         changed from loop to LOOP_LOC (loop_vinfo).
5500         (vect_transform_loop):
5501         (vect_analyze_operations):
5502         (vect_analyze_scalar_cycles):
5503         (vect_analyze_data_ref_dependence):
5504         (vect_enhance_data_refs_alignment):
5505         (vect_analyze_data_ref_accesses):
5506         (vect_analyze_pointer_ref_access):
5507         (vect_analyze_data_refs):
5508         (vect_analyze_loop): Likewise.
5509
5510         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5511         changed from loop to loop_loc.
5512
5513         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5514
5515 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5516             Dorit Naishlos  <dorit@il.ibm.com>
5517
5518         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5519         declaration added.
5520         (vect_analyze_data_ref_dependences): Likewise.
5521
5522         (vect_is_simple_use): Argument changed from loop structure to
5523         loop_vect_info structure.
5524         (vect_can_advance_ivs_p): Likewise.
5525         (vect_create_index_for_vector_ref): Likewise.
5526         (vect_update_ivs_after_vectorizer): Likewise.
5527         (new_stmt_vec_info): Likewise.
5528
5529         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5530         changed from loop to loop_vinfo.
5531         (vect_create_data_ref_ptr): First argument in call to
5532         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5533         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5534         was changed from loop to loop_vinfo.
5535         (vectorizable_operation): Likewise.
5536         (vectorizable_store): Likewise.
5537         (vect_mark_stmts_to_be_vectorized): Likewise.
5538         (vect_do_peeling_for_loop_bound): First argument in call to
5539         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5540         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5541         was changed from loop to loop_vinfo.
5542         (vect_analyze_data_ref_dependences): Third argument in call to
5543         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5544
5545         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5546         (vect_create_data_ref_ptr): Likewise.
5547         (vect_init_vector): Likewise.
5548         (vect_get_vec_def_for_operand): Likewise.
5549         (vectorizable_assignment): Likewise.
5550         (vectorizable_operation): Likewise.
5551         (vectorizable_store): Likewise.
5552         (vectorizable_load): Likewise.
5553         (vect_update_ivs_after_vectorizer): Likewise.
5554         (vect_is_simple_use): Likewise.
5555         (vect_analyze_data_ref_dependence): Likewise.
5556         (vect_analyze_pointer_ref_access): Likewise.
5557         (vect_can_advance_ivs_p): Likewise.
5558
5559         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5560         before _stmt_vec_info.
5561         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5562         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5563         (new_stmt_vec_info): Argument changed from loop structure to
5564         loop_vect_info structure
5565
5566         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5567         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5568         (vect_create_addr_base_for_vector_ref): Likewise.
5569         (vect_analyze_pointer_ref_access): Likewise.
5570
5571 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5572
5573         PR tree-opt/19768
5574         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5575         phi flag if the phi is abnormal.
5576
5577 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5578
5579         PR tree-opt/19736
5580         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5581         information for the new statement.
5582
5583 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5584
5585         PR driver/19117
5586         * gcc.c (main): Include the target in -v output.
5587
5588 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5589
5590         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5591         Do not drop the extend if we'd have to add a paradoxical subreg
5592         later.  Include optabs.h and insn-codes.h.
5593         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5594
5595 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5596
5597         PR middle-end/19405
5598         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5599         * fold-const.c (const_binop): Avoid constant folding floating
5600         point operations in modes that use composite representations.
5601         * simplify-rtx.c (simplify_binary_operation): Likewise.
5602
5603 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5604
5605         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5606         a REG, not a MEM.
5607         (altivec_dstt): Likewise.
5608         (altivec_dstst): Likewise.
5609         (altivec_dststt): Likewise.
5610         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5611         of first operand.
5612
5613 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5614
5615         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5616         EXPR_LOCUS from orig_cond to the new cond_stmt.
5617         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5618         the new vec_stmt.
5619
5620 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5621
5622         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5623         standard_iv_increment_position. Remove call to bsi_next
5624         (no need to bump the iterator anymore).
5625         (vect_create_index_for_vector_ref): Call
5626         standard_iv_increment_position. Remove second function argument.
5627         (vect_finish_stmt_generation): Remove call to bsi_next
5628         (no need to bump the iterator anymore).
5629         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5630         to vect_create_index_for_vector_ref.
5631
5632 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5633
5634         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5635         phis are used out of the loop.
5636
5637 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5638
5639         PR c/17807
5640         * c-decl.c (undef_nested_function): New variable.
5641         (pop_scope): Diagnose undefined nested functions.
5642         (finish_function): Don't attempt cgraph processing or genericizing
5643         if current top-level function contained an undefined nested
5644         function.  Reset undef_nested_function at the end of a top-level
5645         function.
5646
5647 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5648
5649         * tree.c (build_int_cst_type): Take sign of the value into account
5650         when deciding whether sign extend the value.
5651
5652 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5653
5654         PR c/18502
5655         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5656         (cpp_options, cc1_options): Change %{std*&ansi} to
5657         %{std*&ansi&trigraphs}.
5658
5659 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5660
5661         * cse.c: Update comments.
5662
5663 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5664
5665         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5666         arguments go on the stack.  Do not put complex doubles in odd/even
5667         pairs.
5668
5669 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5670
5671         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5672         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5673         -ftree-pre, and -fthread-jumps.
5674
5675 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5676
5677         PR tree-optimization/19578
5678         * tree-flow.h (modified_noreturn_calls): Declare.
5679         (noreturn_call_p): Declare.
5680         * tree-flow-inline.h (noreturn_call_p): New function.
5681         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5682         * tree-cfg.c (modified_noreturn_calls): New variable.
5683         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5684         that contain a mid-block noreturn call.
5685         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5686
5687 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5688
5689         * df.c (df_def_record_1, df_uses_record): Don't use
5690         DF_FOR_REGALLOC.
5691         * df.h (DF_FOR_REGALLOC): Remove.
5692
5693 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5694
5695         PR c/19435
5696         * c-typeck.c (really_start_incremental_init): Reset
5697         constructor_max_index for arrays of incomplete type.
5698
5699 2005-02-02  Jeff Law  <law@redhat.com>
5700
5701         * gcse.c (struct reg_set): Store the block index where the register
5702         was set rather than the setting insn.
5703         (record_one_set, compute_transp): Corresponding changes.
5704         (pre_insert_copy_insn): Do not call replace_one_set.
5705         (replace_one_set): Remove.
5706
5707 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5708
5709         PR other/15514
5710         * doc/gcov.texi: Fix typo.
5711
5712 2005-02-01  Richard Henderson  <rth@redhat.com
5713
5714         PR target/19680
5715         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5716         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5717         type to bool.
5718         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5719         * config/i386/i386-protos.h: Update.
5720
5721 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5722
5723         PR tree-optimization/19217
5724         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5725         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5726         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5727         that it is walking a PHI node.
5728
5729 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5730
5731         * doc/extend.texi (Nested Functions): Update.
5732
5733 2005-02-01  Richard Henderson  <rth@redhat.com>
5734
5735         PR 19696
5736         * optabs.c (expand_copysign_absneg): Export.
5737         * optabs.h (expand_copysign_absneg): Declare.
5738         * config/rs6000/rs6000.md (copysigntf3): New.
5739
5740 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5741
5742         PR tree-optimization/19633
5743         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5744         * tree-ssa-alias.c (init_alias_info): Initialize.
5745         (merge_pointed_to_info): Set.
5746         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5747         (dump_points_to_info_for): Show value of pt_null.
5748         (struct count_ptr_d): Declare.
5749         (find_ptr_dereference): Remove.
5750         (ptr_is_dereferenced_by): Remove.
5751         (count_ptr_derefs): New local function.
5752         (count_uses_and_derefs): New local function.
5753         (compute_points_to_and_addr_escape): Call it.  If the number
5754         of dereferences is greater than zero, mark the pointer as
5755         dereferenced.  If there are fewer dereferences than uses of
5756         the pointer, the pointer's value escapes.
5757
5758 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5759
5760         PR tree-optimization/19670
5761         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5762         here...
5763         (verify_use): ... set it here, instead.
5764
5765 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5766
5767         * doc/sourcebuild.texi (Test directives): Fix formatting.
5768
5769         * doc/sourcebuild.texi (Test directives): Describe selector
5770         expressions.
5771
5772 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5773
5774         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5775         specific 64-bit CPUs.
5776
5777 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5778
5779         PR target/16201
5780         * arm.c (arm_eliminable_register): New function.
5781         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5782         HOST_WIDE_INT for address offsets.
5783         * arm-protos.h (arm_eliminable_register): Add prototype.
5784
5785 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5786
5787         PR optimization/15242
5788         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5789         * basic-block.h (duplicate_computed_gotos): Add prototype.
5790         * bb-reorder.c (duplicate_computed_gotos): New function to
5791         duplicate sufficiently small blocks ending in a computed jump.
5792         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5793         if not optimizing for size.
5794         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5795         never do tail merging for blocks ending in a computed jump.
5796         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5797
5798 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5799
5800         Patch from Richard Sandiford <rsandifo@redhat.com>
5801         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5802         from inheriting a subreg equivalence with a non-spill register.
5803
5804         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5805
5806 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5807
5808         * config/frv/frv.c (movcc_fp_destination_operand): New.
5809         (gpr_or_memory_operand): Fix typo in comment.
5810         (gpr_or_memory_operand_with_scratch): New.
5811         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5812         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5813         movcc_fp_destination_operand.
5814         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5815         Legitimize memory addresses using a scratch register.
5816
5817 2005-01-31  Jeff Law  <law@redhat.com>
5818
5819         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5820         bitmap a sparse bitmap instead of a simple bitmap.
5821         (mark_def_sites_initialize_block):  Corresponding changes.
5822         (ssa_mark_def_sites_initialize_block): Likewise.
5823         (ssa_mark_phi_uses): Likewise.
5824         (mark_def_site, ssa_mark_def_sites): Likewise.
5825         (mark_def_site_blocks): Likewise.
5826         (rewrite_ssa_into_ssa): Likewise.
5827
5828         * tree-ssa-dom.c (record_cond): Pass correct variable type
5829         for last argument to htab_find_slot_with_hash.
5830
5831         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5832         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5833
5834 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5835
5836         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5837         1_mmalua.
5838
5839 2005-02-01  Eric Christopher  <echristo@redhat.com>
5840
5841         * config/mips/mips.c (override_options): Warn if -mint64
5842         is used.
5843         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5844         deprecated.
5845
5846 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5847
5848         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5849         timestamp.
5850         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5851         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5852         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5853         (cached_regno): Initialize to INVALID_REGNUM.
5854         (cse_reg_info_table_size,
5855         cse_reg_info_table_first_uninitialized,
5856         cse_reg_info_timestamp): New.
5857         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5858         get_cse_reg_info.
5859         (init_cse_reg_info, get_cse_reg_info_1): New.
5860         (get_cse_reg_info): Cache the last look-up.
5861         (new_basic_block): Update the code to clear mappings from
5862         registers to cse_reg_info entries.
5863         (cse_main): Call init_cse_reg_info.
5864
5865         * cse.c (get_cse_reg_info): Update a comment.
5866
5867 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5868
5869         PR c/19333
5870         * c-decl.c (start_decl): Do not warn about arrays of elements with
5871         an incomplete type here.
5872         (grokdeclarator): Do it here by making a pedwarn an error.
5873         * c-typeck.c (push_init_level): If there were previous errors with
5874         the constructor type, do not warn about braces for initializers.
5875         (process_init_element): Likewise for excess initializer elements.
5876
5877 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5878
5879         * cse.c (delete_trivially_dead_insn): Don't iterate.
5880
5881 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5882
5883         * config/rs6000/rs6000.md (copysignsf3): New expand.
5884         (copysigndf3): Likewise.
5885
5886 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5887
5888         * recog.c (constrain_operands): Only look for earlyclobber operand
5889         conflicts if an '&' constraint was seen.
5890
5891 2005-01-31  Marc Espie <espie@openbsd.org>
5892
5893         * config.gcc: Don't include embedded systems fragment, switches default
5894         debugging format to ELF.
5895         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5896         longer pick it up there.
5897
5898 2005-01-31  Dale Johannesen  <dalej@apple.com>
5899
5900         * doc/extend.texi (nested functions): Fix linkage description.
5901         Clarify that static is not allowed.
5902
5903 2005-01-31  Dale Johannesen  <dalej@apple.com>
5904
5905         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5906         (movdf_low_di):  Make work.
5907
5908 2005-01-31  Dale Johannesen  <dalej@apple.com>
5909
5910         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5911         Make work for 64 bit.
5912
5913 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5914             Dale Johannesen  <dalej@apple.com>
5915
5916         PR middle-end/19650
5917         * fold-const.c (fold_binary_op_with_conditional_arg):
5918         Make types match original operands, before STRIP_NOPS.
5919
5920 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5921
5922         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5923         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5924         (struct gcc_sigcontext): Delete.  Merge contents to..
5925         (struct gcc_ucontext): ..here.
5926         (get_sigcontext): Delete.
5927         (get_regs): New function, like get_sigcontext but return regs ptr.
5928         64-bit version finds regs from r1 to support vdso.
5929         (ppc_linux_aux_vector): New function.
5930         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5931         and vector regs.
5932
5933 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5934
5935         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5936         sizetype.
5937         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5938         redundant fold. Fix misalignment for MINUS_EXPR.
5939         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5940         (vect_analyze_pointer_ref_access): Likewise.
5941         (vect_get_memtag_and_dr): Likewise.
5942
5943 2005-01-31  Richard Henderson  <rth@redhat.com>
5944
5945         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5946         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5947         absnegdf2_i387, absnegxf2_i387): Likewise.
5948
5949 2005-01-31  Richard Henderson  <rth@redhat.com>
5950
5951         PR 19696
5952         * optabs.c (expand_copysign_absneg): New.
5953         (expand_copysign_bit): Split out from ...
5954         (expand_copysign): ... here.  Use expand_copysign_absneg.
5955
5956 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5957
5958         PR middle-end/19697
5959         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5960         constant as the second operand and a register as the third.
5961
5962 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5963
5964         PR target/19704
5965         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5966         that dllimport'd functions do not use all call-clobbered registers
5967         to pass parameters.
5968
5969 2005-01-30  Richard Henderson  <rth@redhat.com>
5970
5971         PR 19696
5972         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5973         expand_abs_nojump and generalize.  Use operand_subword and
5974         emit_no_conflict_block.  Support large modes.
5975         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5976         back to maximum.
5977         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5978         negation to subtraction.
5979         (expand_copysign): Check that the format has signed zeros.
5980         Use operand_subword and emit_no_conflict_block.  Support large modes.
5981
5982 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5983
5984         Fix PR tree-optimization/19624
5985
5986         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5987         * tree-ssa-pre.c: Add cfgloop.h.
5988         Update comment.
5989         (pre_stats): New member, constified.
5990         (inserted_exprs): New static variable.
5991         (NECESSARY): New macro.
5992         (create_expression_by_pieces): Fold the expression, and
5993         mark it as defaulting to not necessary. Also put in
5994         inserted_exprs.
5995         (fully_constant_expression): New function.
5996         (insert_into_preds_of_block): Modify to not insert phis when we
5997         are playing with induction variables.
5998         Push phis onto the inserted_exprs vector, and mark them as not
5999         necessary by default.
6000         (insert_aux): Call fully_constant_expression on eprime.
6001         If all edges produce the same value, mark it constant.
6002         (mark_operand_necessary): New function.
6003         (remove_dead_inserted_code): New function.
6004         (init_pre): Init loop optimizer to get loop info.
6005         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
6006         (execute_pre): Commit edge inserts, then remove dead code.
6007
6008 2005-01-30  Richard Henderson  <rth@redhat.com>
6009
6010         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
6011         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
6012
6013 2005-01-30  Richard Henderson  <rth@redhat.com>
6014
6015         PR target/19700
6016         * config/i386/i386.c (ix86_expand_copysign): New.
6017         (ix86_split_copysign_const): New.
6018         (ix86_split_copysign_var): Rename from ix86_split_copysign,
6019         rearrange op1/nmask operands.
6020         * config/i386/i386-protos.h: Update.
6021         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
6022         (copysigndf3): Likewise.
6023         (copysignsf3_const, copysigndf3_const): New.
6024         (copysignsf3_var): Rename from copysignsf3, split out splitter
6025         and fix split predicate for X constraint.
6026         (copysigndf3_var): Similarly.
6027
6028 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
6029
6030         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
6031         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
6032         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
6033
6034 2005-01-29  Richard Henderson  <rth@redhat.com>
6035
6036         PR target/19690
6037         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
6038         of # and * in constraints.
6039
6040 2005-01-29  Richard Henderson  <rth@redhat.com>
6041
6042         PR middle-end/19689
6043         * expr.c (store_field): Don't strip sub-mode cast when the input
6044         data is even smaller.
6045
6046 2005-01-29  Richard Henderson  <rth@redhat.com>
6047
6048         PR middle-end/19687
6049         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
6050         union being empty.
6051
6052 2005-01-29  Richard Henderson  <rth@redhat.com>
6053
6054         * combine.c (make_field_assignment): Fix argument order
6055         to gen_int_mode.
6056
6057 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
6058
6059         PR tree-optimization/15791
6060         * fold-const.c (extract_array_ref): New function.
6061         (fold): Fold comparisons between &a[i] and &a[j] or
6062         semantically equivalent trees.
6063
6064 2005-01-29  Jeff Law  <law@redhat.com>
6065
6066         * gcse.c (insert_expr_in_table): Revamp handling of available
6067         and anticipatable occurrence lists to avoid unnecessary list
6068         walking.
6069         (insert_set_in_table): Similarly.
6070
6071 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
6072
6073         * c-common.c (fix_string_type): Just use c_build_qualified_type to
6074         build string type.
6075         (c_build_qualified_type): Build qualified array types with
6076         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
6077         * c-decl.c (c_make_fname_decl): Build unqualified array type
6078         before qualified type.
6079         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
6080         type is qualified, not just if type itself is.  Don't apply
6081         qualifiers to array type when declarator is processed.  Apply
6082         qualifiers to field type whether or not it is an array type.
6083         Don't handle array types specially for applying qualifiers to
6084         variables.
6085         * c-typeck.c (composite_type): Build unqualified element type and
6086         array type when forming composite of array types.
6087         (common_pointer_type, comptypes, comp_target_types,
6088         type_lists_compatible_p, build_indirect_ref, build_array_ref,
6089         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
6090         types.
6091         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
6092         (args2) in variables a1 and a2.
6093
6094 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
6095
6096         * cse.c (n_elements_made, max_elements_made): Remove.
6097         (insert): Don't touch n_elements_made.
6098         (cse_main): Don't touch n_elements_made or max_elements_made.
6099
6100 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
6101
6102         PR target/15384
6103         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
6104         configuration part of dp-bit.c to be lost.
6105
6106 2005-01-28  Roger Sayle  <roger@eyesopen.com>
6107
6108         * expmed.c (expand_mult_highpart_optab): When attempting to use
6109         a non-widening multiplication in a wider mode, the operands need
6110         to be converted (zero or sign extended) to that mode.
6111
6112 2005-01-28  Ian Lance Taylor  <ian@airs.com>
6113
6114         PR middle-end/16558
6115         PR middle-end/19583
6116         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
6117         through if both operands fall through.
6118
6119 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6120
6121         * cse.c (fold_rtx) <PC>: Don't optimize.
6122
6123 2005-01-28  Jeff Law  <law@redhat.com>
6124
6125         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
6126         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
6127
6128 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6129
6130         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
6131         cse_reg_info_used_list_end): Remove.
6132         (cse_reg_info_list, cse_reg_info_list_free): New.
6133         (get_cse_reg_info): When allocating an instance of
6134         cse_reg_info, add it to the beginning of the cse_reg_info_list
6135         list.  Remove code to maintain cse_reg_info_used_list.
6136         (new_basic_block): Reset the free list to the beginning of
6137         cse_reg_info_list.
6138
6139 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
6140
6141         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
6142         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
6143         (frv_expand_mdpackh_builtin): New function.
6144         (frv_expand_builtin): Use it to expand __MDPACKH.
6145         * doc/extend.texi (__MDPACKH): Update documentation.
6146
6147 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
6148
6149         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
6150         SSE_FLOAT_MODE_P for use_sse computation.
6151
6152 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
6153
6154         PR target/19663
6155         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
6156
6157 2005-01-27  Richard Henderson  <rth@redhat.com>
6158
6159         * builtins.c (expand_builtin_copysign): New.
6160         (expand_builtin): Call it.
6161         * genopinit.c (optabs): Add copysign_optab.
6162         * optabs.c (init_optabs): Initialize it.
6163         (expand_copysign): New.
6164         * optabs.h (OTI_copysign, copysign_optab): New.
6165         (expand_copysign): Declare.
6166
6167         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
6168         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
6169
6170         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
6171         (ix86_expand_fp_absneg_operator): ... here.
6172         (ix86_split_copysign): New.
6173         * config/i386/i386-protos.h: Update.
6174         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
6175         (copysignsf3, copysigndf3): New.
6176
6177         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
6178         (copysignsf3, ncopysignsf3): New.
6179         (copysigndf3, ncopysigndf3): New.
6180         (copysignxf3, ncopysignxf3): New.
6181         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
6182
6183 2005-01-27  Arend Bayer  <arend.bayer@web.de>
6184             Kazu Hirata  <kazu@cs.umass.edu>
6185
6186         * cse.c: (find_best_addr): Don't call copy_rtx before calling
6187         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
6188         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
6189         NULL_RTX.
6190
6191 2005-01-27  Jeff Law  <law@redhat.com>
6192
6193         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
6194         definitions of SSA_NAMEs which are not being rewritten.
6195         (rewrite_ssa_into_ssa): Only initialize the current definition
6196         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
6197         If checking is enabled, assert that SSA_NAME_AUX is clear for all
6198         SSA_NAMEs before returning.
6199
6200 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
6201
6202         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
6203         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
6204         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
6205         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
6206         config/mips/iris6.h, config/sh/sh.c: Update copyright.
6207
6208 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6209
6210         PR middle-end/17278
6211         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
6212         higher to -O2 and higher.  Likewise for tree PRE.
6213         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
6214         and better.
6215
6216 2005-01-27  Ian Lance Taylor  <ian@airs.com>
6217
6218         PR middle-end/19583
6219         * gimple-low.c (try_catch_may_fallthru): New static function.
6220         (block_may_fallthru): Handle TRY_CATCH_EXPR.
6221         * tree-inline.c (expand_call_inline): Don't warn about reaching
6222         the end of a non-void function being inlined if the function uses
6223         a return slot.
6224
6225 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
6226
6227         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
6228
6229         PR c/18946
6230         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
6231         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
6232         (implicitly_declare): Handle error_mark_node.
6233
6234 2005-01-27  Richard Henderson  <rth@redhat.com>
6235
6236         PR tree-opt/14329
6237         * tree.h (struct tree_decl): Add debug_expr_is_from.
6238         (DECL_DEBUG_EXPR_IS_FROM): New.
6239         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6240         * dwarf2out.c (dwarf2out_var_location): Update to match.
6241         * tree-outof-ssa.c (create_temp): Likewise.
6242         * var-tracking.c (track_expr_p): Likewise.
6243         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6244         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6245         * toplev.c (default_tree_printer): Likewise.
6246
6247 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
6248
6249         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6250         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6251
6252 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6253
6254         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6255         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6256         ASM_CLOBBERS): Add tree checks.
6257
6258         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6259         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6260         * c-common.def (SWITCH_STMT): Update to match.
6261         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6262         macros instead of SWITCH_EXPR ones.
6263         * c-dump.c (c_dump_tree): Likewise.
6264         * c-gimplify.c (gimplify_switch_stmt): Likewise.
6265         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6266
6267         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6268
6269 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
6270
6271         * unwind-dw2.c (execute_stack_op): Add missing cases for
6272         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6273
6274 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
6275
6276         * config.gcc (Obsolete configurations): Remove 'dummy', add
6277         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6278         sparc-*-openbsd*.
6279
6280 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
6281
6282         PR tree-optimization/19633
6283         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6284         CALL_EXPRs.
6285         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6286         are no call-clobbered variables.
6287         * tree-outof-ssa.c (check_replaceable): Return false for calls
6288         with side-effects.
6289
6290 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6291
6292         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6293         even for variables with NULL DECL_INITIAL.
6294
6295 2005-01-26  Stuart Hastings  <stuart@apple.com>
6296
6297         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6298
6299 2005-01-26  Richard Henderson  <rth@redhat.com>
6300
6301         PR middle-end/18008
6302         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6303         field's type.
6304         * expr.c (store_field): Strip conversions to odd-bit-sized types
6305         if the destination field width matches.
6306
6307 2005-01-26  Richard Henderson  <rth@redhat.com>
6308
6309         * c-decl.c, expmed.c, expr.c: Revert last change.
6310
6311 2005-01-26  Richard Henderson  <rth@redhat.com>
6312
6313         PR middle-end/18008
6314         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6315         field's type.
6316         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6317         if we don't need the bits above those present in the current mode.
6318         * expr.c (store_field): Strip conversions to odd-bit-sized types
6319         if the destination field width matches.
6320
6321 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6322
6323         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6324         either -ffast-math or -funsafe-math-optimizations is in use.
6325
6326 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6327
6328         PR target/19293
6329         PR target/19329
6330         * config/avr/avr.c (notice_update_cc): Only set condition code for
6331         ashrqi3 if shift count > 0.
6332         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6333         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6334         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6335         count <= 0 as a no-op, and shift count >= width by copying zero
6336         or sign bit to all bits of the result.
6337         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6338         count, with attribute "length" set to 0 and "cc" set to "none".
6339
6340 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6341
6342         * doc/invoke.texi: Document -mTLS.
6343
6344         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6345         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6346         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6347         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6348         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6349         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6350         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6351         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6352
6353         * configure.ac: Check for a TLS capable gas.
6354
6355         * configure: Regenerate.
6356
6357 2005-01-26  Richard Henderson  <rth@redhat.com>
6358
6359         PR middle-end/18008
6360         * combine.c (make_field_assignment): Simplify store to zero_extract
6361         from a source with an overlapping mask.
6362
6363 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6364
6365         2004-11-11  Eric Christopher  <echristo@redhat.com>
6366
6367         * config/frv/frv.md: Add fr400_integer automaton. Don't
6368         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6369         to TYPE_MACC.
6370
6371 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6372
6373         PR middle-end/16585
6374         * cfgbuild.c (make_edges): Do not clear or set
6375         current_function_has_computed_jump.
6376         * function.h (struct function): Remove the has_computed_jump field.
6377         (current_function_has_computed_jump): Do not define.
6378         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6379         in a computed jump.  Ignore current_function_has_computed_jump.
6380
6381 2005-01-26  Richard Henderson  <rth@redhat.com>
6382
6383         PR middle-end/19515
6384         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6385         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6386         fully initialized.
6387         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6388         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6389         objects into static storage if they have more than one non-zero value.
6390         * tree.h (categorize_ctor_elements): Update decl.
6391
6392 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6393
6394         PR middle-end/19616
6395         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6396         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6397         to this function from 2004-07-10.
6398         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6399         the current function for tail call optimizations if the address
6400         of one of it its arguments is taken.
6401
6402 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6403
6404         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6405
6406 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6407
6408         * function.c (expand_function_end): If current_function_calls_alloca,
6409         emit stack restore in a place that is reached when the function falls
6410         through at the end.
6411
6412 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6413
6414         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6415         rule to avoid matching inappropriate suffix rule.
6416
6417 2005-01-26  Jan Hubicka  <jh@suse.cz>
6418
6419         PR tree-optimization/19241
6420         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6421
6422 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6423
6424         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6425         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6426         of doubling.
6427         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6428         <sim*>: Always use crt1.o, regardless of N in simN.
6429         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6430         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6431         (CRT_CALL_STATIC_FUNCTION): Remove.
6432         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6433         use crt1.o, regardless of N in simN.
6434         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6435         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6436         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6437         case isystem setting.
6438         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6439
6440 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6441
6442         * gimple-low.c (block_may_fallthru): Correct handling of
6443         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6444
6445 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6446
6447         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6448         handlers to match indentation; nested under the mtune=* handler.
6449         Similar for mcpu= and march=.
6450
6451 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6452
6453         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6454         * config/mips/linux64.h (LIB_SPEC): Likewise.
6455         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6456         * config/sh/linux.h (LIB_SPEC): Likewise.
6457
6458 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6459
6460         * config/frv/frv.c (frv_legitimize_tls_address): New.
6461         (TARGET_HAVE_TLS): Define.
6462         (FRV_SYMBOL_REF_TLS_P): Define.
6463         (frv_override_options): Handle new register classes.
6464         (frv_legitimate_address_p): Reject tls addresses.
6465         (frv_legitimize_address): Handle TLS addresses.
6466         (gen_inlined_tls_plt): New.
6467         (gen_tlsmoff): New.
6468         (frv_legitimize_tls_address): New.
6469         (unspec_got_name): Add TLS entries.
6470         (got12_operand): Add R_FRV_TLSMOFF12 case.
6471         (frv_emit_move): Fixup TLS addresses.
6472         (frv_emit_movsi): Legitimize TLS addresses.
6473
6474         * config/frv/frv.h (MASK_BIG_TLS): New.
6475         (TARGET_BIG_TLS): New.
6476         (HAVE_AS_TLS): Define.
6477         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6478         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6479         (REG_CLASS_NAMES): Same.
6480         (REG_CLASS_CONTENTS): Same.
6481         (CONSTRAINT_LEN): New.
6482         (REG_CLASS_FROM_CONSTRAINT): New.
6483         (PREDICATE_CODES): Add symbolic_operand.
6484
6485         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6486         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6487         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6488         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6489         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6490         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6491         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6492         GR9_REG, GR14_REG, LRREG.
6493         (type): Add load_or_call attribute.
6494         ("load_or_call"): New reservation.
6495         ("call_gettlsoff"): New.
6496         ("tls_indirect_call"): New.
6497         ("tls_load_gottlsoff12"): New.
6498         ("tlsoff_hilo"): New.
6499         ("tls_tlsdesc_ldd"): New.
6500         ("tls_tlsoff_ld"): New.
6501         ("tls_lddi"): New.
6502
6503         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6504
6505         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6506
6507         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6508         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6509         * config/frv/frv.c (TLS_BIAS): Define.
6510         (frv_output_dwarf_dtprel): New.
6511
6512 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6513
6514         PR rtl-optimization/19579
6515         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6516         both A and B, see if they don't clobber registers the other expr uses.
6517
6518 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6519
6520         * real.c (do_add): Initialize signalling and canonical members.
6521
6522         * real.c (real_from_integer): Zero out destination.
6523
6524 2005-01-18  Jan Hubicka  <jh@suse.cz>
6525
6526         PR tree-optimize/19337
6527         * tree-inline.c (initialize_inlined_parameters): Copy
6528         saved_static_chain_decl only.
6529
6530 2005-01-25  Richard Henderson  <rth@redhat.com>
6531
6532         PR target/19556
6533         PR target/19584
6534         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6535         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6536         80387 enabled, to return a proper subclass.  Return the subset that
6537         overlaps with GENERAL_REGS for PLUS.
6538         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6539
6540 2005-01-25  Richard Henderson  <rth@redhat.com>
6541
6542         PR middle-end/19609
6543         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6544
6545 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6546
6547         * expmed.c (choose_multiplier): Change interface to return the
6548         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6549         (expand_divmod): Update calls to choose_multiplier.
6550
6551 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6552
6553         PR middle-end/19330
6554         * expmed.c (extract_bit_field): Use adjust_address instead of
6555         gen_lowpart when op0 is a MEM.
6556
6557 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6558
6559         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6560
6561 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6562
6563         * config/mips/irix-csr.c: New file.
6564         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6565         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6566         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6567         executables.
6568
6569 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6570
6571         PR bootstrap/19364
6572         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6573         sparc/elf.h, add sparc/sp-elf.h.
6574         (sparc-*-rtems*): Likewise.
6575         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6576         tm-dwarf2.h, add sparc/sp-elf.h.
6577         (sparc86x-*-elf): Likewise.
6578         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6579         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6580         TARGET_OS_CPP_BUILTINS.
6581         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6582         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6583         Undefine it.
6584         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6585         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6586         (SWITCH_TAKES_ARG): Likewise.
6587         (LOCAL_LABEL_PREFIX): Likewise.
6588         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6589         (TARGET_N_FORMAT_TYPES): Delete.
6590         (TARGET_FORMAT_TYPES): Likewise.
6591         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6592         * config/sparc/elf.h: Delete.
6593         * config/sparc/sp-elf.h: New file.
6594
6595 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6596
6597         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6598         * tree-flow.h: Remove the corresponding prototype.
6599         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6600         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6601
6602 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6603
6604         PR target/17751
6605         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6606         for AIX ABI or ELF -fPIC.
6607         (rs6000_emit_load_toc_table): Don't create toc_section here.
6608         (rs6000_xcoff_file_start): Nor here.
6609
6610 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6611
6612         * sh.c (ra.h): Don't #include.
6613         (hard_regs_intersect_p): New function, resurrected from ra.c.
6614
6615         * sh.c: Fix 1996 Copyright.
6616
6617 2005-01-24  Richard Henderson  <rth@redhat.com>
6618             Aldy Hernandez  <aldyh@redhat.com>
6619
6620         * regrename.c (note_sets): Handle subregs.
6621
6622 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6623
6624         PR bootstrap/18058
6625         * genconditions.c (write_header, write_conditions): Elide file if
6626         not GCC >= 3.0.1.
6627
6628 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6629
6630         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6631         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6632         Update copyright.
6633
6634 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6635
6636         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6637         expand_builtin_printf, expand_builtin_fprintf,
6638         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6639         checking against POINTER_TYPE.
6640         (validate_arglist): Handle POINTER_TYPE code by checking
6641         POINTER_TYPE_P.
6642
6643 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6644
6645         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6646         init_rtlanal): New.
6647         (for_each_rtx): Call for_each_rtx_1.
6648         * rtl.h (init_rtlanal): Declare.
6649         * toplev.c (backend_init): Call init_rtlanal.
6650
6651 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6652
6653         * flow.c (propagate_one_insn): Formatting.
6654
6655         PR middle-end/19551
6656         * flow.c (libcall_dead_p): Be more conservative if unsure.
6657         If there are any instructions between insn and call, see if they are
6658         all dead before saying the libcall is dead.
6659
6660 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6661
6662         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6663         operand constraint for operand 0.
6664
6665 2005-01-23  Richard Henderson  <rth@redhat.com>
6666
6667         PR 19486
6668         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6669         edges leading to join block.
6670
6671 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6672
6673         * expmed.c (expand_mult_highpart): Make static.  Change type of
6674         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6675         (expand_divmod): Updates calls to expand_mult_highpart by using
6676         gen_int_mode to pass a CONST_INT rtx.
6677         * rtl.h (expand_mult_highpart): Remove prototype.
6678
6679 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6680
6681         * flow.c (regset_bytes, regset_size): Remove.
6682
6683         * cfganal.c: Fix a reference to Harvey's paper.
6684
6685 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6686
6687         PR rtl-optimization/19464
6688         * tree-optimize.c (init_tree_optimization_passes): Add one more
6689         copyrename pass just before out-of-ssa.
6690
6691 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6692
6693         PR bootstrap/18058
6694         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6695         * ggc-none.c (ggc_free): Define.
6696
6697 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6698
6699         * cse.c (max_reg, max_insn_uid): Remove.
6700         (cse_main): Don't access max_reg or max_insn_uid.
6701
6702         * c-common.c (explicit_flag_signed_bitfields,
6703         lang_statement_code_p, lang_expand_function_end): Remove.
6704         * c-common.h: Remove the corresponding declarations.
6705         * c-opts.c (c_common_handle_option): Remove all write access
6706         to explicit_flag_signed_bitfields.
6707
6708         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6709         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6710         * cgraph.h: Remove the corresponding declaration.
6711
6712         * gcse.c (null_pointer_info): Remove.
6713
6714 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6715             Eric Botcazou  <ebotcazou@libertysurf.fr>
6716
6717         * combine.c (simplify_logical): Only simplify logical expressions
6718         of the form ior(and(x,y),z) by the inverse distributive law if the
6719         result is cheaper than the original.
6720
6721 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6722
6723         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6724         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6725         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6726         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6727         config/freebsd-spec.h, config/arm/arm.h,
6728         config/h8300/h8300.md, config/i386/i386.md,
6729         config/i386/predicates.md, config/i386/sse.md,
6730         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6731         config/vax/vax.md: Fix comment typos.  Follow spelling
6732         conventions.
6733
6734 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6735
6736         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6737         tests, instead of `less than'.
6738
6739 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6740
6741         * function.c (assign_parm_setup_block): When creating a new stack slot
6742         for a parameter, get its alignment from the parameter's DECL_ALIGN
6743         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6744         is at least word aligned.
6745
6746 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6747
6748         PR middle-end/19378
6749         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6750
6751 2005-01-22  Richard Henderson  <rth@redhat.com>
6752
6753         PR target/19506
6754         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6755         in both compare operands.
6756         (movdfcc_1_sse_max): Likewise.
6757         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6758         (movdfcc_1_sse): Likewise.
6759         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6760         scratch register as needed.
6761
6762 2005-01-22  Richard Henderson  <rth@redhat.com>
6763
6764         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6765
6766         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6767
6768 2005-01-22  Richard Henderson  <rth@redhat.com>
6769
6770         * genopinit.c (optabs): Use smin/smax for floating point too.
6771         * doc/md.texi: Update to match.  Clarify that floating point
6772         results are undefined for +0/-0 and NaN.
6773         * doc/rtl.texi: Likewise.
6774         * rtl.def (SMIN, SMAX): Likewise
6775         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6776
6777         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6778         leading 's' to the name.
6779         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6780         smaxxf3, sminxf3): Likewise.
6781         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6782         Likewise.
6783
6784 2005-01-22  Paul Brook  <paul@codesourcery.com>
6785
6786         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6787
6788 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6789
6790         * config/s390/s390.c (struct processor_costs): New fields
6791         dlgr, dlr, dr, dsgfr, dsgr.
6792         (z900_cost, z990_cost): Values for new fields.
6793         (s390_rtx_costs): New cases MEM und COMPARE in switch
6794         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6795         DIV, MOD, UDIV, UMOD.
6796
6797 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6798
6799         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6800         into the register being decremented.
6801         ("doloop_si31", "doloop_di"): Likewise.
6802         ("*doloop_si_long"): Adapt pattern.
6803
6804 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6805
6806         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6807         access registers.
6808         (CLASS_MAX_NREGS): Likewise.
6809
6810 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6811
6812         * doc/tree-ssa.texi (Statement Operands): Add example for new
6813         must-def macro. Note deprecation of old operands interface.
6814
6815 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6816
6817         PR tree-optimization/19484
6818         * tree-cfg.c (remove_fallthru_edge): New function.
6819         (cleanup_control_flow): Remove fallthru edges from calls that are
6820         now known not to return.
6821
6822 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6823
6824         Fix PR tree-optimization/19038
6825         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6826         copies with loop variant ones.
6827
6828 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6829
6830         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6831         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6832         config/alpha/alpha.md, config/alpha/predicates.md,
6833         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6834         config/sparc/sol2.h: Update copyright.
6835
6836         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6837         first label to see if it is a nonlocal label.
6838
6839 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6840             Andrew Pinski  <pinskia@physics.uc.edu>
6841
6842         PR target/19491
6843         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6844         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6845
6846 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6847
6848         * config/rs6000/rtems.h: Update copyright.
6849
6850 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6851
6852         PR target/19548
6853         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6854         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6855         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6856
6857 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6858
6859         PR c/18809
6860         * c-typeck.c (convert_arguments): Check for error_mark_node.
6861
6862 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6863
6864         PR tree-optimization/13000
6865         * tree-inline.c: Include "tree-flow.h".
6866         (expand_call_inline): If warn_return_type, warn if non-void inline
6867         function falls through.
6868         * tree-cfg.c (execute_warn_function_return): Don't warn about
6869         control reaching end if TREE_NO_WARNING is set.  Set
6870         TREE_NO_WARNING.
6871         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6872         has been lowered.
6873         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6874         branch if we don't need one.
6875         * c-typeck.c: Include "tree-flow.h"
6876         (c_finish_bc_stmt): Don't add a goto if the current statement
6877         list doesn't fall through to the current point.
6878
6879 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6880
6881         PR rtl-optimization/576
6882         * real.c (real_arithmetic): Change return type from void to bool
6883         to return an indication that the result may be inexact.
6884         * real.h (real_arithmeric): Update prototype.
6885         * fold-const.c (const_binop):  Don't constant fold floating
6886         point expressions when the user specifies -frounding-math and
6887         the result may depend upon the run-time rounding mode.
6888         (fold_convert_const_real_from_real): Clean-up.
6889         (fold_initializer): Ignore flag_rounding_math for initializers.
6890         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6891         constant fold FP operations with flag_rounding_math if the
6892         result may depend upon the run-time rounding mode.
6893
6894 2005-01-21  Tom Tromey  <tromey@redhat.com>
6895
6896         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6897
6898 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6899
6900         * tree-cfg.c: Fix comment typos.
6901
6902 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6903
6904         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6905         around the call to rest_of_handle_branch_target_load_optimize.
6906
6907 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6908
6909         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6910         (sparc64-*-openbsd*): Likewise.
6911         (sparclite-*-elf*): Include tm-dwarf2.h.
6912         (sparc86x-*-elf*): Likewise.
6913         (sparc64-*-elf*): Likewise.
6914         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6915         (DBX_DEBUGGING_INFO): Likewise.
6916         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6917         (PREFERRED_DEBUGGING_TYPE): Likewise.
6918         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6919         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6920         (PREFERRED_DEBUGGING_TYPE): Likewise.
6921         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6922         (PREFERRED_DEBUGGING_TYPE): Likewise.
6923         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6924
6925 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6926
6927         PR target/18701
6928         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6929
6930 2005-01-20  Paul Brook  <paul@codesourcery.com>
6931
6932         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6933
6934 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6935
6936         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6937         label is first in a sequence of labels.
6938
6939         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6940
6941 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6942             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6943
6944         * doc/sourcebuild.texi (Test Directives): New.
6945
6946 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6947
6948         * real.c (real_floor): Don't leave the result uninitialized when
6949         mode is VOIDMode, but return the unrounded intermediate value.
6950         (real_ceil): Likewise.
6951
6952 2005-01-20  Paul Brook  <paul@codesourcery.com>
6953
6954         * config/arm/arm.md (insv): Use gen_int_mode.
6955
6956 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6957
6958         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6959         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6960         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6961         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6962         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6963
6964 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6965
6966         Fix PR debug/19124
6967         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6968         fbreg, so we have to assume we can't.
6969         (loc_descriptor_from_tree_1): Ditto.
6970         (containing_function_has_frame_base): New function.
6971         (add_location_or_const_value_attribute): Use it.
6972         Also try to generate a frame_base from a single element location
6973         list.
6974
6975 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6976
6977         PR tree-optimization/15349
6978         * timevar.def (TV_TREE_MERGE_PHI): New.
6979         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6980         PHI_WANTED.
6981         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6982         calls to tree_forwarder_block_p.
6983         (remove_forwarder_block_with_phi, merge_phi_nodes,
6984         gate_merge_phi, pass_merge_phi): New.
6985         * tree-optimize.c (init_tree_optimization_passes): Add
6986         pass_merge_phi.
6987         * tree-pass.h: Add an extern for pass_merge_phi;
6988
6989 2005-01-20  Richard Henderson  <rth@redhat.com>
6990
6991         PR target/19418
6992         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6993         (_mm_castps_pd, _mm_castps_si128): New.
6994         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6995
6996 2005-01-20  Richard Henderson  <rth@redhat.com>
6997
6998         PR target/19530
6999         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
7000         __builtin_ia32_vec_init_v2si.
7001         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
7002         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
7003         (ix86_init_mmx_sse_builtins): Create it.
7004         (ix86_expand_builtin): Expand it.
7005         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
7006         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
7007         (vec_extractv2si_0, vec_extractv2si_1): New.
7008
7009 2005-01-20  Richard Henderson  <rth@redhat.com>
7010
7011         PR target/16533
7012         * config/i386/i386.c (ix86_expand_push): New.
7013         * config/i386/mmx.md (push<MMXMODE>1): New.
7014         * config/i386/sse.md (push<SSEMODE>1): New.
7015         * config/i386/i386-protos.h: Update.
7016
7017 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7018
7019         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
7020         copyright.
7021
7022 2005-01-20  Richard Henderson  <rth@redhat.com>
7023
7024         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
7025         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
7026
7027 2005-01-19  Richard Henderson  <rth@redhat.com>
7028
7029         PR target/19350
7030         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
7031         to V4SFmode in SSE1 fallback load path.
7032
7033 2005-01-19  Richard Henderson  <rth@redhat.com>
7034
7035         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
7036         in QImode expansion to ix86_expand_vector_set.
7037         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
7038
7039 2005-01-19  Richard Henderson  <rth@redhat.com>
7040
7041         PR target/19511
7042         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
7043         subclass of the input class.
7044         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
7045         Always true for cross-SSE1 classes.  Rationalize conditionals.
7046         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
7047         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
7048         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
7049         (movdi_2): Add MMX/SSE zeros.
7050         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
7051         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
7052         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7053         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
7054         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
7055         (zero_extendsidi2_rex64_1): Remove.
7056         (MOV0 peephole): Check GENERAL_REG_P.
7057
7058 2005-01-19  Richard Henderson  <rth@redhat.com>
7059
7060         PR target/19427
7061         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
7062         shufps elements.
7063         (ix86_expand_vector_extract): Likewise.
7064
7065 2005-01-19  Richard Henderson  <rth@redhat.com>
7066
7067         PR middle-end/19304
7068         * expr.c (emit_move_change_mode): New argument force; use
7069         simplify_gen_subreg if true.
7070         (emit_move_via_alt_mode): Merge into ...
7071         (emit_move_via_integer): ... here.
7072         (emit_move_ccmode): Use emit_move_change_mode directly.
7073
7074 2005-01-19  Richard Henderson  <rth@redhat.com>
7075
7076         PR target/19518
7077         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
7078         (alpha_preferred_reload_class): Handle CONST_VECTOR.
7079         (alpha_emit_set_const_1): Add no_output parameter; don't emit
7080         rtl if true.
7081         (alpha_emit_set_const): Likewise.  Make static.
7082         (alpha_emit_set_long_const): Make static.
7083         (alpha_extract_integer): Split out from alpha_expand_mov.
7084         (alpha_split_const_mov): Likewise.
7085         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
7086         (alpha_legitimate_constant_p): New.
7087         * config/alpha/alpha-protos.h: Update.
7088         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
7089         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
7090         * config/alpha/alpha.md (movsi): Add n alternative.
7091         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
7092         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
7093         (splitters for all of the above): Use alpha_split_const_mov.
7094         * config/alpha/predicates.md (non_add_const_operand): New.
7095         (non_zero_const_operand): New.
7096         (input_operand): Use alpha_legitimate_constant_p after reload.
7097
7098 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7099
7100         PR tree-optimization/19038
7101         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
7102         (add_candidate): Add ivs with increment in latch only if
7103         allow_ip_end_pos_p is true.
7104         (determine_iv_cost): Use empty_block_p.
7105
7106 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
7107
7108         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
7109         (compute_dominance_frontiers): Ditto.
7110
7111 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
7112
7113         PR target/19529
7114         * config/sh/t-rtems: New.
7115         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
7116
7117 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7118
7119         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
7120         the offset of the selected field.
7121
7122 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
7123
7124         * tree-cfg.c (remove_forwarder_block): Fix the check to
7125         prevent a nonlocal label from appearing in the middle of a
7126         basic block.
7127
7128 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
7129
7130         PR rtl-optimization/19462
7131         * reorg.c (find_end_label): Create return insn only if
7132         current_function_epilogue_delay_list is empty.
7133
7134 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
7135
7136         * doc/passes.texi: Remove paragraph mentioning new-ra.
7137
7138 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
7139
7140         PR rtl-optimization/15139
7141         * combine.c: Include params.h.
7142         (count_rtxs): New function.
7143         (record_value_for_reg): If replace_rtx would replace at least
7144         2 occurrences of REG in VALUE and TEM is really large, replace REG with
7145         (clobber (const_int 0)) instead of TEM.
7146         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
7147         * params.h (MAX_LAST_VALUE_RTL): New.
7148         * Makefile.in (combine.o): Depend on $(PARAMS_H).
7149         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
7150
7151         PR c/17297
7152         * c-typeck.c (digest_init): Only call build_vector if all constructor
7153         elements are *_CST nodes.
7154         * gimplify.c (gimplify_init_constructor): Likewise.
7155
7156         PR middle-end/19164
7157         * c-typeck.c (digest_init): Only call build_vector if inside_init
7158         is a CONSTRUCTOR.
7159
7160 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7161
7162         * toplev.c (init_asm_output): Remove dead #ifdef.
7163
7164 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
7165
7166         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
7167
7168 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7169
7170         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
7171         accessing DECL_FUNCTION_CODE.
7172         * dojump.c (do_jump): Likewise.
7173         * gimplify.c (gimplify_call_expr): Likewise.
7174         * predict.c (expr_expected_value): Likewise.
7175         (strip_builtin_expect): Likewise.
7176         * tree-inline.c (estimate_num_insns_1): Likewise.
7177         * tree-ssa-loop-im.c (stmt_cost): Likewise
7178         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
7179         (tree_expr_nonnegative_p): Likewise.
7180
7181 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7182
7183         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
7184         variant of the load_pcrel_sym pattern.
7185         * config/sparc/sparc.md (P macro): Move to the top.
7186         (load_pcrel_sym): Macroize using P.
7187         (save_register_window): Likewise.
7188
7189 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
7190
7191         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
7192         ("sordered"): Same.
7193
7194 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
7195
7196         PR C/19472
7197         * c-typeck.c (build_asm_expr): Strip nops off
7198         input memory operands.
7199
7200 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
7201
7202         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
7203         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
7204         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
7205         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
7206
7207 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
7208
7209         PR target/19379
7210         * config/i386/i386.c (override_options): If the 80387 is disabled,
7211         then do not return FP values using FP registers.
7212
7213 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
7214
7215         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
7216         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
7217         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
7218         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
7219         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
7220         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
7221         output.h, postreload-gcse.c, postreload.c, recog.c,
7222         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
7223         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
7224         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
7225         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
7226         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
7227         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
7228         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
7229         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
7230
7231         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
7232         config/alpha/alpha.c, config/arm/vfp.md,
7233         config/i386/emmintrin.h, config/i386/i386-modes.def,
7234         config/i386/i386-protos.h, config/i386/i386.h,
7235         config/i386/pmmintrin.h, config/i386/ppro.md,
7236         config/i386/predicates.md, config/i386/xmmintrin.h,
7237         config/i860/i860.c, config/ia64/ia64-modes.def,
7238         config/ia64/ia64-protos.h, config/ia64/ia64.h,
7239         config/ia64/ia64.md, config/ia64/itanium1.md,
7240         config/ia64/itanium2.md, config/ia64/predicates.md,
7241         config/iq2000/iq2000.h, config/mips/linux64.h,
7242         config/rs6000/aix41.h, config/rs6000/aix43.h,
7243         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7244         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7245         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7246         config/sparc/linux64.h, config/sparc/litecoff.h,
7247         config/sparc/sp64-elf.h, config/sparc/sparc.c,
7248         config/sparc/sparc.h, config/sparc/sparc.md,
7249         config/sparc/sysv4-only.h: Update copyright.
7250
7251 2005-01-18  Richard Henderson  <rth@redhat.com>
7252
7253         PR target/19496
7254         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7255
7256 2005-01-18  Marc Espie  <espie@openbsd.org>
7257         * config/i386/openbsdelf.h: Typo.
7258
7259 2005-01-18  Richard Henderson  <rth@redhat.com>
7260
7261         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7262         special case for sse.
7263         * config/i386/predicates.md (sse_comparison_operator): Likewise.
7264
7265 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
7266
7267         * tree-inline.c (estimate_num_insns_1): Added cases for
7268         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7269
7270 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7271
7272         PR rtl-optimization/19296
7273         * combine.c (simplify_comparison): Rewrite the condition under
7274         which a non-paradoxical SUBREG of a PLUS can be lifted when
7275         compared against a constant.
7276
7277 2005-01-18  Andi Kleen <ak@muc.de>
7278
7279         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7280         * c.opt (-Wpointer-sign): Add.
7281         * doc/invoke.texi: (-Wpointer-sign): Add.
7282
7283 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7284
7285         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7286         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7287         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7288         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7289         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7290         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7291         for TARGET_MIX_SSE_I387.
7292         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7293         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7294         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7295         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7296         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7297         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7298         TARGET_MIX_SSE_I387.
7299         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7300         from expander.
7301
7302 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7303
7304         PR target/19424
7305         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7306         Add movaps alternative for xmm reg->reg move.
7307
7308 2005-01-17  Jeff Law  <law@redhat.com>
7309
7310         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7311         at the end of the main DOM loop rather than just before DOM exits.
7312
7313 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7314
7315         PR tree-optimization/19121
7316         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7317         adding aliases to a name tag, also add them to the pointer's
7318         type tag.
7319         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7320         sensitive alias info at all.  Only check that the two pointers
7321         have compatible pointed-to sets.
7322         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7323         a pointer's type tag is a superset of the alias set of the
7324         pointer's name tag.
7325
7326 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7327
7328         PR target/19357
7329         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7330         comment to document why.
7331
7332 2005-01-17  Richard Henderson  <rth@redhat.com>
7333
7334         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7335         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7336         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7337         sse2_vmsminv2df3_finite): New.
7338         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7339         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7340         Force op1 into register.
7341
7342 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7343
7344         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7345         bubblestrap from always rebuilding build directory.
7346
7347 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7348
7349         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7350         ("*cmpmem_short"): Likewise.
7351
7352 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7353
7354         * basic-block.h: Document BB_* flags.
7355         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7356         use an sbitmap instead.
7357         * sched-rgn.c (compute_trg_info): Likewise.
7358
7359 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7360
7361         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7362         redundant target_cpu_default and extra_parts lines.  Use the default
7363         "from-abi" ISA.
7364         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7365         (SUBTARGET_EXTRA_SPECS): Delete.
7366         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7367         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7368         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7369         and "n32" for -mabi=n32.
7370
7371 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7372
7373         PR c/5675
7374         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7375         fold constant variables into initial values.
7376
7377 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7378
7379         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7380
7381         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7382         through the statements backward.
7383
7384 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7385
7386         PR middle-end/13127:
7387         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7388         a variable set to the return value of the inlined function.
7389
7390 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7391
7392         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7393         when modes are tieable.
7394
7395 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7396
7397         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7398         of pthread_create to find out if threads are enabled.
7399         * gthr-posix95.h (__gthread_active_p): Likewise.
7400
7401 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7402
7403         * common.opt (-fnew-ra): Remove.
7404         * ra*.*: Remove.
7405         * toplev.h (flag_new_regalloc): Remove.
7406         * Makefile.in (ra*.*): Don't mention.
7407         * passes.c (rest_of_handle_new_regalloc): Remove.
7408         (rest_of_handle_combine, rest_of_compilation): Always consider
7409         flag_new_regalloc as false.
7410         * doc/invoke.texi: Don't document -fnew-ra.
7411
7412 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7413
7414         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7415         last parameter to reg_scan.
7416         * loop.c (loop_optimize): Likewise.
7417         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7418         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7419         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7420         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7421         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7422         * regclass.c (reg_scan): Likewise, for the declaration.
7423         * rtl.h (reg_scan): Likewise, for the prototype.
7424
7425 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7426
7427         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7428         mark_dfs_back_edges.
7429
7430 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7431
7432         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7433         (compute_avail): Uses don't go in tmp_gen.
7434
7435 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7436
7437         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7438         loop to look for a free slot in a page entry.
7439
7440 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7441
7442         PR target/16304
7443         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7444         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7445         just before targetm.asm_out.file_end.
7446         * tree.h (process_pending_assemble_output_defs): Declare.
7447         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7448         New functions.
7449         (assemble_alias): Defer generation of assembly code for defines when
7450         TARGET_DEFERRED_OUTPUT_DEFS is true.
7451         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7452         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7453         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7454
7455 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7456
7457         PR target/19336
7458         * pa.c (pa_scalar_mode_supported_p): New function.
7459         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7460         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7461
7462         * pa-protos.h (prefetch_operand): Delete.
7463         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7464         * pa.c (prefetch_operand): Delete.
7465         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7466         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7467         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7468         and prefetch_nocc_operand.
7469         * pa.md (prefetch): Rework to avoid reload problems handling short
7470         displacements when a cache control completer needs to be provided.
7471         (prefetch_32, prefetch_64): Delete.
7472         (prefetch_cc, prefetch_nocc): New patterns.
7473
7474 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7475
7476         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7477
7478 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7479
7480         PR ada/19388
7481         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7482         exceeds maximum alignment for global common data.
7483         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7484         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7485
7486 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7487
7488         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7489
7490 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7491
7492         * harg-reg-set.h (reg_class_names): Prototype global array.
7493         * regclass.c (reg_class_names): Declare here and initialize to
7494         REG_CLASS_NAMES.
7495         (dump_regclass): Remove local declaration of reg_class_names.
7496         (regclass): Likewise.
7497         * cfg.c (dump_flow_info): Likewise.
7498         * ra-debug.c (reg_class_names): Likewise.
7499         * regrename.c (reg_class_names): Likewise.
7500         * reload.c (reg_class_names): Likewise.
7501         * reload1.c (spill_failure): Likewise.
7502         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7503
7504 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7505
7506         * config/s390/s390.md ("reload_outti"): Remove predicate for
7507         output operand.  Abort if operand is not a MEM.
7508         ("reload_outdi", "reload_outdf"): Likewise.
7509
7510 2005-01-15  Marc Espie  <espie@openbsd.org>
7511
7512         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7513         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7514         * config/openbsd.h:  Fix C++ includes for native configurations.
7515         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7516         Add trampoline support.
7517         * config/i386/openbsdelf.h: New.
7518
7519 2005-01-15  Marc Espie  <espie@openbsd.org>
7520
7521         * collect2.c (main): Explicitly parse -dynamic-linker option.
7522
7523 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7524
7525         PR tree-optimization/19060
7526         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7527         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7528         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7529         and handle extract_range_from_cond returning false.
7530         * fold-const.c (fold): Optimize comparisons with min/max even for
7531         width > HOST_BITS_PER_WIDE_INT.
7532
7533 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7534
7535         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7536         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7537         Remove little endian multilib variants.
7538         Add mips32 multilib variant.
7539
7540 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7541
7542         * explow.c (copy_all_reg, stabilize): Remove.
7543         * expr.h: Remove the corresponding prototypes.
7544
7545         * rtlanal.c (regs_set_between_p): Remove.
7546         * rtl.h: Remove the corresponding prototype.
7547
7548 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7549
7550         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7551         to rs6000_nonimmediate_operand.
7552         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7553         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7554         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7555         rs6000_nonimmediate_operand.
7556         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7557         rs6000_nonimmediate_operand.
7558
7559 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7560
7561         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7562
7563 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7564
7565         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7566         on e500v2.
7567         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7568         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7569
7570         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7571         (rs6k_nonimmediate_operand): New.
7572         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7573         correctly.
7574         (legitimate_lo_sum_address_p): Same.
7575         (rs6000_legitimize_address): Same.
7576         (rs6000_legitimize_reload_address): Same.
7577         (rs6000_legitimate_address): Same.
7578         (spe_build_register_parallel): Pass DF and DC modes in a DI
7579         register.
7580
7581         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7582         to rs6k_nonimmediate_operand.
7583
7584         * config/rs6000/spe.md ("*frob_df_di"): New.
7585         ("*frob_di_df"): New.
7586         ("*frob_di_df_2"): New.
7587         ("*mov_sidf_e500_subreg0"): New.
7588         ("*mov_sidf_e500_subreg4"): New.
7589         ("*movdf_e500_double"): Change predicate to
7590         rs6k_nonimmediate_operand.
7591
7592 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7593
7594         * postreload.c (move2add_note_store): Only call
7595         trunc_int_for_mode on scalar integers.
7596
7597 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7598
7599         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7600         replace BB_VISITED uses.
7601         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7602         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7603         (tree_dce_done): Free visited_control_parents.
7604         (perform_tree_ssa_dce): Allocate and clear it.
7605         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7606         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7607         instead of BB_VISITED.
7608
7609 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7610
7611         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7612         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7613         Remove unused prototypes.
7614
7615 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7616
7617         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7618         64-bit register usage.
7619         (spe_func_has_64bit_regs_p): Add FIXME note.
7620
7621 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7622
7623         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7624         flag_finite_math_only with flag_unsafe_math_optimizations.
7625
7626 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7627
7628         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7629         end-of-stack check.
7630         (__tpf_eh_return): Copy TPF private stack area from the module
7631         boundary stack frame.  Add check for when module addresses are
7632         equal, but no stub address is found.
7633
7634 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7635
7636         PR target/7525
7637         * arm.h (struct machine_function): Add call_via field.
7638         (thumb_call_via_label): Declare.
7639         * arm.c (thumb_call_via_label): New variable.
7640         (thumb_call_reg_needed): New variable.
7641         (arm_output_function_epilogue): For Thumb code, output any per-function
7642         call-indirect trampolines.
7643         (thumb_call_via_reg): New function.
7644         (arm_file_end): New function.
7645         (TARGET_ASM_FILE_END): Call arm_file_end.
7646         (aof_file_end): Likewise.
7647         * arm-protos.h (thumb_call_via_reg): Declare.
7648         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7649         thumb_call_via_reg in normal case.
7650
7651 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7652
7653         PR middle-end/19084
7654         PR rtl-optimization/19348
7655         * recog.c (peephole2_optimize): Do global life update if some peephole
7656         decides it doesn't need at least one of its inputs and that change
7657         influences liveness at the start of the basic block.
7658
7659         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7660         arguments instead of 1.
7661
7662 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7663
7664         PR middle-end/18820
7665         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7666         zero for nested functions needing a static chain or functions
7667         with a non-constant address.
7668
7669 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7670
7671         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7672         (and (sign_extend X) C) into (zero_extend (and X C)).
7673
7674 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7675
7676         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7677
7678 2005-01-13  Richard Henderson  <rth@redhat.com>
7679
7680         PR target/19009
7681         PR target/19250
7682         PR target/19252
7683         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7684         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7685         not just TARGET_SSE.
7686         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7687         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7688         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7689         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7690         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7691         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7692         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7693         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7694         (movdicc_c_rex64): Rename with '*'.
7695         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7696         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7697         (movsfcc_1_387): Rename from movsfcc_1.
7698         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7699         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7700         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7701         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7702         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7703         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7704         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7705         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7706         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7707         sse_movdfcc_const0_4): Remove.
7708         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7709         recognize min/max early.  Update for changed sse cmove patterns.
7710         (ix86_split_sse_movcc): New.
7711         * config/i386/i386-protos.h: Update.
7712
7713 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7714
7715         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7716         (fix_stmt_v_may_defs): Likewise.
7717
7718 2005-01-13  Richard Henderson  <rth@redhat.com>
7719
7720         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7721         for converting the mask.
7722
7723 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7724
7725         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7726         definition to 600.
7727
7728 2005-01-13  Richard Henderson  <rth@redhat.com>
7729
7730         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7731         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7732         IX86_BUILTIN_MOVDQ2Q): Remove.
7733         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7734         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7735         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7736         shuffling.
7737         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7738         (sse2_pextrw): Fix immediate constraint.
7739         (sse2_loadq, sse2_loadq_rex64): Remove.
7740         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7741         Use __builtin_ia32_vec_ext_<size>.
7742         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7743
7744 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7745
7746         * function.c (assign_parm_setup_block): Look inside original
7747         entry_parm when inspecting PARALLEL.
7748
7749 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7750             Joel Sherrill  <joel@oarcorp.com>
7751
7752         PR target/19399
7753         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7754         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7755         rtems_gxx_recursive_mutex_init.
7756         (__gthread_recursive_mutex_lock): New function.
7757         (__gthread_recursive_mutex_trylock): Likewise.
7758         (__gthread_recursive_mutex_unlock): Likewise.
7759
7760 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7761
7762         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7763
7764 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7765
7766         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7767         (ashrti3_internal): Indicate output is early clobber. Generate result
7768         into output rather than first input. Use move for low word of output
7769         if shift count is exactly 64.
7770         (lshrti3_internal): Likewise.
7771
7772 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7773
7774         PR target/18329
7775         PR target/18330
7776         * reload1.c (delete_output_reload): Don't delete an output reload
7777         if the pseudo lives longer than a single basic block.  Adjust and
7778         improve wording of comment.
7779
7780 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7781
7782         PR target/19334
7783         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7784         of TYPE_SIZE where we mean the number of bytes.
7785
7786 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7787
7788         * function.c (assign_parm_setup_block): Relax condition on
7789         multi-register optimization.
7790
7791 2005-01-12  Nick Clifton  <nickc@redhat.com>
7792
7793         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7794         an "in_delay_slot" attribute of "no" to prevent them being used in
7795         delay slots.  This is forbidden because they might generate
7796         exceptions.
7797
7798 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7799
7800         PR target/19389
7801         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7802         with r->Y and Y->r.
7803
7804 2005-01-12  Nick Clifton  <nickc@redhat.com>
7805
7806         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7807         passed on to GAS) but do not define, as GAS no longer supports or
7808         needs the -m2000 option.
7809
7810 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7811
7812         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7813         type as args of unprototyped builtins aren't automatically promoted.
7814         (fold_builtin_abs): Likewise.
7815
7816 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7817
7818         * Makefile.in: Set a `build-warn' variable.
7819
7820 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7821
7822         PR tree-optimization/17949
7823         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7824         (find_interesting_uses_address): Use it.
7825
7826 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7827
7828         * regrename.c (kill_value): Handle subreg's that won't simplify.
7829
7830 2005-01-11  Richard Henderson  <rth@redhat.com>
7831
7832         PR target/13366
7833         * config/i386/i386.h (enum ix86_builtins): Move ...
7834         * config/i386/i386.c: ... here.
7835         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7836         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7837         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7838         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7839         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7840         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7841         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7842         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7843         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7844         IX86_BUILTIN_LOADDDUP): Remove.
7845         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7846         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7847         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7848         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7849         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7850         (ix86_init_builtins): Make static.
7851         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7852         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7853         if all the modes match.  Otherwise, fake it.
7854         (get_element_number, ix86_expand_vec_init_builtin,
7855         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7856         (ix86_expand_builtin): Make static.  Update for changed builtins.
7857         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7858         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7859         (ix86_expand_vector_init_duplicate): New.
7860         (ix86_expand_vector_init_low_nonzero): New.
7861         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7862         Split out from ix86_expand_vector_init; handle integer modes.
7863         (ix86_expand_vector_init): Use them.
7864         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7865         * config/i386/i386-protos.h: Update.
7866         * config/i386/predicates.md (reg_or_0_operand): New.
7867         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7868         (movv2sf_internal): Likewise.  And a splitter to match them all.
7869         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7870         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7871         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7872         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7873         (mmx_pinsrw): Fix operand ordering.
7874         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7875         rather than sse_loadss expander.
7876         (movv2df splitter): Similarly.
7877         (sse_loadss, sse_loadlss): Remove.
7878         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7879         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7880         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7881         (sse3_movddup): Rename with '*'.
7882         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7883         (sse2_loadsd): Remove.
7884         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7885         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7886         (sse2_pinsrw): Fix argument ordering.
7887         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7888         (sse2_stored): Remove 'r' destination.
7889         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7890         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7891         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7892         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7893         vec_extractv16qi, vec_initv16qi): New.
7894
7895         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7896         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7897         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7898         constructor form.
7899         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7900         (_mm_load_si128, _mm_store_si128): Likewise.
7901         (_mm_load1_pd): Use _mm_set1_pd.
7902         (_mm_load_sd): Use _mm_set_sd.
7903         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7904         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7905         (_mm_set_epi64): Use _mm_set_epi64x.
7906         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7907         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7908         _mm_setr_epi8): Use _mm_set_foo form.
7909         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7910         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7911         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7912         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7913         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7914         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7915         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7916         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7917         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7918         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7919         (_mm_movedup_pd): Use _mm_shuffle_pd.
7920         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7921         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7922         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7923         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7924         Use _mm_setzero_ps.
7925         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7926         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7927         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7928         (_mm_store_ps): Use raw dereference.
7929         (_mm_store1_ps): Use _mm_storeu_ps.
7930         (_mm_storer_ps): Use _mm_store_ps.
7931         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7932         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7933
7934 2005-01-11  Stan Shebs  <shebs@apple.com>
7935
7936         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7937         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7938
7939 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7940
7941         PR target/18761
7942         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7943         Skip all DECLs except for FIELD_DECLs.
7944
7945 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7946
7947         * config/s390/s390.c (override_options): Return error if
7948         -mbackchain, -mpacked-stack and -mhard-float are used together.
7949         (s390_va_start): Remove the backchain && packed-stack special case.
7950         (s390_gimplify_va_arg): Likewise.
7951         * doc/invoke.texi: Remove the ABI incompatibility note.
7952
7953 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7954
7955         * config/s390/s390.c (struct s390_frame_layout): Remove
7956         save_backchain_p.
7957         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7958         save_backchain_p with TARGET_BACKCHAIN.
7959
7960 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7961
7962         PR target/18916
7963         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7964         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7965         * function.c (locate_and_pad_parm): Set new field.
7966         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7967         Tweak where_pad test to include "none".  Always set mem align for
7968         stack_parm.
7969         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7970         not sufficient for type.
7971         (assign_parm_setup_block): If stack_parm is zero on entry, always
7972         make a new stack local.  Block move old stack parm if necessary
7973         to new aligned stack local.
7974         (assign_parm_setup_stack): Use a block move to handle
7975         potentially misaligned entry_parm.
7976         (assign_parms_unsplit_complex): Specify required alignment when
7977         creating stack local.
7978         * calls.c (compute_argument_addresses): Override alignment of stack
7979         arg calculated from its type with the alignment given by
7980         FUNCTION_ARG_BOUNDARY.
7981         (store_one_arg): Likewise.
7982
7983 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7984
7985         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7986         Change respective itanium_class attribute to ialu.
7987         (shladdp4_internal): New.
7988         * config/ia64/predicates.md (shladd_log2_operand): New.
7989
7990 2005-01-11  Richard Henderson  <rth@redhat.com>
7991
7992         * expr.c (store_constructor): Use rtvec_alloc instead of
7993         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7994
7995 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7996
7997         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7998
7999 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8000
8001         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
8002         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
8003         (TARGET_RWRELOC): Define.
8004         (ia64_rwreloc_section_type_flags): Delete.
8005         (ia64_section_type_flags): New function.
8006         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
8007         (TARGET_RWRELOC): Define.
8008
8009 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
8010
8011         PR target/18987
8012         * config/ia64/ia64.c (process_set): For alloc insn, only call
8013         process_epilogue is !frame_pointer_needed.
8014
8015 2005-01-10  Roger Sayle  <roger@eyesopen.com>
8016
8017         PR c++/19355
8018         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
8019         unary operator and can't be treated as a binary/comparison operator.
8020
8021 2005-01-10  Richard Henderson  <rth@redhat.com>
8022
8023         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
8024         (ix86_return_in_memory): Likewise.
8025         (function_arg_advance):  Likewise.  Mirror structure in function_arg
8026         for choosing register to advance.
8027
8028 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
8029
8030         * tree-vectorizer.c, tree.def: Fix comment typos.
8031
8032 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
8033
8034         * config/s390/s390.c (struct processor_costs): 4 new fields:
8035         ddbr, ddr, debr, der.
8036         (s390_rtx_costs): More precise handling of divide instructions.
8037
8038 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
8039
8040         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
8041
8042 2005-01-10  Jan Beulich  <jbeulich@novell.com>
8043
8044         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
8045         names resulting from -ffunction-sections/-fdata-sections and linkonce
8046         ones.
8047         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
8048         based on the section name. Rearrange the section name comparison logic
8049         slightly so that each section name is compared against at most once.
8050
8051 2005-01-10  Ben Elliston  <bje@au.ibm.com>
8052
8053         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
8054         targets for which -fPIC reduces limitations on the GOT size.
8055
8056 2005-01-09  Falk Hueffner  <falk@debian.org>
8057
8058         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
8059         X/C1 cmpop C2.
8060
8061 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
8062
8063         PR target/18720
8064         * collect2.c (main): Set aixrtl_flag for -brtl option.
8065         (resolve_lib_name): Search for .so file extension before .a
8066         if aixrtl_flag set.
8067
8068 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
8069
8070         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
8071         (vect_analyze_data_refs_alignment): Add dump prints.
8072
8073 2005-01-09  Ira Rosen  <irar@il.ibm.com>
8074
8075         * tree-vectorizer.c (vect_analyze_offset_expr): Use
8076         expr_invariant_in_loop_p.
8077         Initialize outputs first thing in the function.
8078         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
8079         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
8080         (vect_analyze_pointer_ref_access): Check that the initial condition of
8081         the access function is loop invariant.
8082
8083 2005-01-09  Richard Henderson  <rth@redhat.com>
8084
8085         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
8086         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
8087         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
8088         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
8089         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
8090         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
8091         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
8092         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
8093         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
8094         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8095         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8096         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
8097         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
8098         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
8099         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
8100         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
8101         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8102         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8103         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
8104         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
8105         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
8106         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
8107         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
8108         mmx_ prefix.
8109         (mmx_clrdi, pavgusb): Remove.
8110         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
8111         with leading sse_ prefix.
8112         * config/i386/sse.md: Receive them.
8113         * config/i386/mmx.md: New file.
8114         (MMXMODE12, MMXMODE24, mmxvecsize): New.
8115         (subrv2sf3): Turn into expander for normal subtraction.
8116         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
8117         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
8118         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
8119         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
8120         commutative; use ix86_binary_operator_ok.
8121         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
8122         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
8123         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
8124         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
8125         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
8126         Macroize from existing patterns; use ix86_binary_operator_ok.
8127         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
8128         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
8129         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
8130         with vec_select+vec_concat.
8131         (mmx_pshufw, mmx_pshufw_1): Likewise.
8132         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
8133         (mmx_uavgv4hi3): Model correctly.
8134         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
8135         _mm_xor_si64): Remove casts.
8136
8137 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
8138
8139         PR tree-optimization/19224
8140         * tree-scalar-evolution.c (get_instantiated_value,
8141         set_instantiated_value): New functions.
8142         (instantiate_parameters_1): Cache the results.
8143         (instantiate_parameters, resolve_mixers): Initialize and free
8144         the cache.
8145
8146 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
8147
8148         * config/i386/i386.md (addhi_4): Correct reference in comment.
8149         (addqi_4): Same.
8150
8151 2005-01-08  Richard Henderson  <rth@redhat.com>
8152
8153         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
8154         (_mm_cvtsi128_si64x): Likewise.
8155         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
8156         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
8157         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
8158         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
8159         * config/i386/i386-protos.h: Update.
8160         * config/i386/i386.c (print_operand): Add 'H'.
8161         (ix86_fixup_binary_operands): Split out from ...
8162         (ix86_expand_binary_operator): ... here.
8163         (ix86_fixup_binary_operands_no_copy): New.
8164         (ix86_expand_fp_absneg_operator): Handle vector mode results.
8165         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
8166         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
8167         (safe_vector_operand): Use CONST0_RTX.
8168         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
8169         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
8170         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
8171         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
8172         special cases.
8173         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
8174         (IX86_BUILTIN_CMPNGESS): New.
8175         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
8176         (attr type): Add sselog1.
8177         (attr unit, attr memory): Handle it.
8178         (movti, movti_internal, movti_rex64): Move near other integer moves.
8179         (movtf, movtf_internal): Move near other fp moves.
8180         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
8181         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
8182         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
8183         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
8184         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
8185         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
8186         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
8187         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
8188         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
8189         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
8190         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
8191         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
8192         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8193         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8194         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
8195         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
8196         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
8197         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
8198         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
8199         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
8200         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
8201         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
8202         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
8203         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
8204         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
8205         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
8206         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
8207         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
8208         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
8209         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
8210         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
8211         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
8212         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
8213         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
8214         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
8215         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
8216         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
8217         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
8218         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
8219         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
8220         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
8221         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
8222         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
8223         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
8224         same time.
8225         (SSEPUSH, push<SSEPUSH>): Remove.
8226         (MMXPUSH, push<MMXPUSH>): Remove.
8227         (sse_movaps, sse_movaps_1, sse_movups): Remove.
8228         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
8229         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
8230         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
8231         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
8232         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
8233         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
8234         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8235         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8236         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8237         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8238         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
8239         (ppro_sse_log_V4SF): Handle sselog1.
8240         * config/i386/predicates.md (const_0_to_1_operand): New.
8241         (const_0_to_255_mul_8_operand): New.
8242         (const_1_to_31_operand): Rename from const_int_1_31_operand.
8243         (const_2_to_3_operand, const_4_to_7_operand): New.
8244         * config/i386/sse.md: New file.
8245         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8246         (sse_movups): Rename from sse_movups_1.
8247         (sse_loadlss): Rename from sse_loadss_1.
8248         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8249         from the name.
8250         (negv4sf2): Use ix86_expand_fp_absneg_operator.
8251         (absv4sf2, negv2df, absv2df): New.
8252         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8253         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8254         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8255         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8256         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8257         (sse3_addsubv4sf3): Model correctly.
8258         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8259         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8260         (sse_movhlps): Model with vec_select+vec_concat.
8261         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8262         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8263         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8264         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8265         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8266         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8267         sse2_pshufhw_1): Likewise.
8268         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8269         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8270         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8271         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8272         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8273         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8274         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8275         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8276         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8277         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8278         sminv8hi3): Mark commutative
8279         operands.  Use ix86_binary_operator_ok.
8280         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8281         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8282         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8283         sse2_punpcklqdq): Allow operand2 in memory.
8284         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8285         sse2_movsd): Add memory alternatives.
8286         (sse_storelps): Turn expander into an insn; split after reload.
8287         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8288         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8289
8290 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8291
8292         * configure.ac (DWARF-2 debug_line): Use objdump.
8293         * configure: Regenerate.
8294
8295 2005-01-08  Jeff Law  <law@redhat.com>
8296             Diego Novillo  <dnovillo@redhat.com>
8297
8298         PR tree-optimization/18241
8299         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8300         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8301         statements with volatile operands.
8302         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8303         operands after marking a statement with has_volatile_ops.
8304
8305 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8306
8307         * tree.c (int_fits_type_p): Always honor integer constant
8308         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8309
8310 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8311
8312         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8313         the latent bug in rtl_delete_block has been resolved.
8314
8315 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8316
8317         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8318         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8319
8320 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8321
8322         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8323         library as @multilib_dir@/$(SHLIB_SONAME).
8324
8325 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8326
8327         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8328         * configure: Regenerate.
8329
8330 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8331
8332         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8333         TYPE_MODE.
8334
8335 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8336
8337         PR target/13674
8338         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8339         Convert non-word aligned offset address using ld/std into
8340         indirect address.
8341
8342 2005-01-07  Richard Henderson  <rth@redhat.com>
8343
8344         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8345
8346 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8347
8348         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8349
8350 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8351
8352         PR tree-optimization/19283
8353         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8354         is not shorter than the original type.
8355
8356         PR rtl-optimization/19012
8357         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8358
8359         PR rtl-optimization/18861
8360         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8361         (FULL_STATE): Define.
8362         (mark_tablejump_edge): New function.
8363         (purge_dead_tablejump_edges): New function.
8364         (find_bb_boundaries): Use it.
8365
8366         PR tree-optimization/18828
8367         * builtins.c (expand_builtin_next_arg): Remove argument and all
8368         the argument checking.
8369         (expand_builtin): Adjust caller.
8370         (expand_builtin_va_start): Likewise.  Remove error for too many
8371         arguments.
8372         (fold_builtin_next_arg): Issue error for too many arguments.
8373         After checking arguments, replace them with magic arguments that
8374         prevent further checking of the args.
8375
8376 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8377
8378         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8379
8380 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8381
8382         PR target/6077
8383         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8384         and %{.S:...} (and their negative variants) to test whether the
8385         input file is assembler or pre-processed-assembler independent of
8386         the actual filename extension.
8387
8388 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8389
8390         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8391         of sign or zero extended values.
8392
8393 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8394
8395         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8396         for IBM long double format correctly.
8397
8398 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8399
8400         Fix PR tree-optimization/18792
8401
8402         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8403         to first_loop_depth, and use loop depth instead of loop number.
8404         (build_classic_dir_vector): Ditto.
8405         (compute_data_dependences_for_loop): Use depth, not loop number.
8406         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8407         number. Pass in loops, instead of loop numbers.
8408         (gather_interchange_stats): Ditto.
8409         (linear_transform_loops): Ditto.
8410
8411 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8412
8413         PR rtl-opt/13299
8414         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8415         biv_fits_mode_p, extension_within_bounds_p): New functions.
8416         (check_ext_dependent_givs): Use them.
8417
8418 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8419
8420         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8421         more than one barrier, in which case we should delete them all.
8422
8423 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8424
8425         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8426
8427 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8428
8429         Fix PR middle-end/19286
8430         Fix PR debug/19267
8431         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8432         output this subprogram, simply ignore this attempt to do it again.
8433         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8434         origin attribute if it's not possible.
8435         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8436         (decls_for_scope): Ditto.
8437         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8438         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8439
8440 2005-01-05  Richard Henderson  <rth@redhat.com>
8441
8442         PR target/11327
8443         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8444         (bdesc_2arg): Use it.
8445         (ix86_expand_binop_builtin): Force operands into registers
8446         when optimizing.
8447         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8448         ix86_expand_sse_compare, ix86_expand_sse_comi,
8449         ix86_expand_builtin): Likewise.
8450
8451 2005-01-05  Richard Henderson  <rth@redhat.com>
8452
8453         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8454         and VEC_SELECT.
8455         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8456         (mulv4hi3): Set itanium_class mmmul.
8457         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8458         (fpack): Rename from fpack_sfsf.
8459
8460 2005-01-05  Richard Henderson  <rth@redhat.com>
8461
8462         PR rtl-opt/10692
8463         * reload1.c (do_input_reload): Restrict the optimization deleteing
8464         a previous output reload to RELOAD_FOR_INPUT.
8465
8466 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8467
8468         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8469         comment that we fall through after case.
8470         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8471         (distribute_links): Likewise.
8472         * cse.c (cse_insn): Likewise.
8473         * cselib.c (cselib_invalidate_mem): Likewise.
8474         * df.c: Update comments at the top of the file.
8475         (read_modify_subreg_p): Update comments here too.
8476         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8477         * flow.c (mark_set_1): Likewise.
8478         (mark_used_regs): Likewise.
8479         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8480         (canon_list_insert): Likewise.
8481         (mark_set): Likewise.
8482         (try_replace_reg): Likewise.
8483         (store_killed_in_insn): Likewise.
8484         * loop.c (count_one_set): Likewise.
8485         (basic_induction_var): Likewise.
8486         * postreload-gcse.c (find_mem_conflicts): Likewise.
8487         * postreload.c (reload_combine_note_store): Likewise.
8488         (move2add_note_store): Likewise.
8489         * reload.c (find_equiv_reg): Likewise.
8490         (mark_referenced_resources): Likewise.
8491         * rtlanal.c (set_noop_p): Likewise.
8492         (note_stores): Likewise.
8493         (note_uses): Likewise.
8494         * sched-deps.c (sched_analyze_1): Likewise.
8495         * sched-rgn.c (check_live_1): Likewise.
8496         (update_live_1): Likewise.
8497         * config/i860/i860.c: Likewise.
8498
8499         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8500         an lvalue.
8501         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8502
8503         * doc/rtl.texi: Update documentation for bit-fields and SET.
8504
8505 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8506
8507         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8508
8509 2005-01-05  Jan Hubicka  <jh@suse.cz>
8510             Richard Henderson  <rth@redhat.com>
8511
8512         PR target/18910
8513         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8514         with an offset.
8515
8516 2005-01-05  Richard Henderson  <rth@redhat.com>
8517
8518         PR target/12902
8519         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8520         (sse_shufps): Change operand 3 to const_int_operand.
8521         (sse2_storelps): Fix typo in template.
8522         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8523         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8524         (ix86_expand_builtin): Likewise.
8525
8526 2005-01-05  Julian Brown  <julian@codesourcery.com>
8527
8528         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8529         as aggregates for AAPCS ABIs.
8530
8531 2005-01-05  Stan Shebs  <shebs@apple.com>
8532
8533         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8534         Mach-O getters if ppc64.
8535         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8536         size argument.
8537         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8538         signed four-byte field for global code case.
8539         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8540
8541 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8542
8543         PR middle-end/19100
8544         * c-common.c: Include real.h.
8545         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8546         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8547         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8548         * Makefile.in (c-common.o): Update dependencies.
8549
8550 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8551
8552         * c-parse.in (asm_string): Add trailing semicolon.
8553
8554 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8555
8556         * c-parse.in (asm_string): New.  Don't allow wide strings in
8557         'asm'.
8558         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8559         asm_string instead of STRING.
8560
8561 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8562
8563         * c-typeck.c (constructor_no_implicit): Remove.
8564         (set_designator, process_init_element): Don't check
8565         constructor_no_implicit.
8566
8567 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8568             Kaz Kojima  <kkojima@gcc.gnu.org>
8569
8570         PR target/16482
8571         * lcm.c (create_pre_exit): New.
8572         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8573         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8574
8575 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8576
8577         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8578         -msoft-float in target_float_switch.
8579         * arm.c (arm_override_options): Fix processing of target_float_switch.
8580
8581 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8582
8583         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8584         preferencing.
8585
8586 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8587
8588         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8589         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8590
8591 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8592
8593         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8594         if deleting the then-block allows the test-block to fallthru to the
8595         else-block.
8596
8597 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8598
8599         PR c/19152
8600         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8601         after the full declaration if the are in two different TUs.
8602
8603 2005-01-04  Richard Henderson  <rth@redhat.com>
8604
8605         PR tree-opt/19158
8606         * tree-sra.c (generate_one_element_init): Just
8607         call gimplify_and_add.
8608         (generate_element_init): Record the
8609         new referenced variables and mark them for renaming
8610         and split out to ...
8611         (generate_element_init_1): This.
8612         (scalarize_init): Don't call push_gimplify_context/
8613         pop_gimplify_context.
8614
8615 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8616
8617         * toplev.c (get_src_pwd): Handle failure of getpwd().
8618
8619 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8620
8621         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8622         of TRUTH_NOT_EXPR.
8623         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8624         all the cases handled by it are inverted by invert_truthvalue.
8625
8626 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8627
8628         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8629         (save_register_windowsi): Likewise.
8630
8631 2005-01-04  Richard Henderson  <rth@redhat.com>
8632
8633         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8634
8635 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8636
8637         PR middle-end/17767
8638         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8639         any simplifications of vector mode comparison operators.
8640         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8641
8642 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8643             Devang Patel  <dpatel@apple.com>
8644
8645         PR tree-optimization/18308
8646         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8647         the operands before creating a new expression.
8648         * dojump.c (do_jump): Make drop_through_label available
8649         for all cases.  Add expansion of COND_EXPR.
8650
8651 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8652
8653         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8654         INTEGER_CST instead of TREE_CONSTANT.
8655         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8656         instead of TREE_CONSTANT.
8657         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8658         instead of TREE_CONSTANT.
8659
8660 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8661
8662         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8663
8664 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8665
8666         PR target/19240
8667         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8668         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8669
8670 2005-01-03  Richard Henderson  <rth@redhat.com>
8671
8672         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8673         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8674         fold_convert_const_real_from_real): Split out from ...
8675         (fold_convert_const): ... here.
8676
8677 2005-01-03  Richard Henderson  <rth@redhat.com>
8678
8679         PR target/19235
8680         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8681         (mov<MMXMODEI>_internal): Likewise.
8682         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8683         Add V2SF case; use it for SSE1; don't use TI.
8684         (movdf_integer): Likewise.
8685         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8686
8687 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8688
8689         * tree-vectorizer.c (vect_strip_conversions): New function.
8690         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8691         check for binary class.
8692
8693 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8694
8695         Fix PR debug/17924
8696         Fix PR debug/19191
8697         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8698         is a decl.
8699         * gimple-low.c (mark_blocks_with_used_vars): New function.
8700         (mark_blocks_with_used_subblocks): Ditto.
8701         (mark_used_blocks): Ditto.
8702         (pass_mark_used_blocks): New pass.
8703         * tree-inline.c: Include debug.h.
8704         (expand_call_inline): Call outlining_inline_function here.
8705         * tree-optimize.c (init_tree_optimization_passes): Add
8706         pass_mark_used_blocks.
8707         * tree-pass.h (pass_mark_used_blocks): New.
8708         * Makefile.in (tree-inline.o): Add debug.h dependency.
8709
8710 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8711
8712         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8713         VAR_DECLs to have weak_import attribute.
8714
8715         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8716         'struct ucontext'.
8717
8718 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8719
8720         * passes.c (rest_of_compilation): Don't run regmove if only
8721         flag_expensive_optimizations, require flag_regmove instead.
8722
8723 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8724
8725         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8726         register "sparc".
8727         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8728         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8729         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8730         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8731
8732 2005-01-03  Richard Henderson  <rth@redhat.com>
8733
8734         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8735         (ia64_const_ok_for_letter_p): New.
8736         (ia64_const_double_ok_for_letter_p): New.
8737         (ia64_extra_constraint): New.
8738         (ia64_expand_vecint_compare): New.
8739         (ia64_expand_vcondu_v2si): New.
8740         (ia64_expand_vecint_cmov): New.
8741         (ia64_expand_vecint_minmax): New.
8742         (ia64_print_operand): Add 'v'.
8743         (ia64_preferred_reload_class): New.
8744         (ia64_vector_mode_supported_p): New.
8745         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8746         (PREFERRED_RELOAD_CLASS): Move to function.
8747         (CONST_OK_FOR_LETTER_P): Move to function.
8748         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8749         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8750         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8751         (EXTRA_CONSTRAINT): Move to function.
8752         * config/ia64/ia64.md: Include vect.md.
8753         (itanium_class): Add mmalua.
8754         (type): Handle it.
8755         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8756         (1b_mmalua): New.
8757         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8758         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8759         CONST0_RTX.
8760         (const_int_2bit_operand): New.
8761         (fr_reg_or_0_operand): New.
8762         * config/ia64/ia64-modes.def: Add vector modes.
8763         * config/ia64/ia64-protos.h: Update.
8764         * config/ia64/vect.md: New file.
8765
8766 2005-01-03  Richard Henderson  <rth@redhat.com>
8767
8768         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8769
8770 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8771
8772         PR target/19236
8773         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8774         to SFmode.
8775         (log1pdf2): Change mode of operands[0,1] to DFmode.
8776
8777 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8778
8779         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8780         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8781         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8782         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8783         SPARC_RELAXED_ORDERING.
8784
8785 2005-01-03  Richard Henderson  <rth@redhat.com>
8786             Uros Bizjak  <uros@kss-loka.si>
8787
8788         PR target/14631
8789         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8790         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8791         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8792         handling.
8793         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8794         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8795         const_pow2_1_to_128_operand): New predicates.
8796
8797 2005-01-02  Greg McGary  <greg@mcgary.org>
8798
8799         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8800         anonymous decls.
8801         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8802         object.  [ptr_type]: Remove unused variable.
8803         Remember nearest addressable array-element or record-component
8804         when checking bitfield components.  Tolerate empty BIND_EXPR.
8805
8806 2005-01-01  Richard Henderson  <rth@redhat.com>
8807
8808         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8809         that don't narrow the value.  Fail for other conversions.
8810
8811 2005-01-01  Richard Henderson  <rth@redhat.com>
8812
8813         PR c/19031
8814         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8815         * c-lang.c (finish_file): Don't do it here.
8816         * objc/objc-act.c (objc_finish_file): Likewise.
8817
8818         * cgraph.c (decl_assembler_name_equal): New.
8819         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8820         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8821         * cgraph.h (struct cgraph_varpool_node): Add next.
8822         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8823         * varasm.c (assemble_alias): Mark the target as needed.
8824
8825 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8826
8827         PR middle-end/19221
8828         * function.c (get_arg_pointer_save_area): Use entry_of_function
8829         instead of get_insns.
8830
8831 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8832             Andrew Pinski  <pinskia@physics.uc.edu>
8833             James E. Wilson  <wilson@specifixinc.com>
8834
8835         PR rtl-optimization/12092
8836         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8837         is zero.
8838
8839 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8840             Olivier Hainque  <hainque@act-europe.fr>
8841
8842         * tree.c (int_fits_type_p): A narrower type always fits in a
8843         wider one, except for negative values into unsigned types.
8844
8845 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8846
8847         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8848         with the original constant rather than require TREE_OVERFLOW.
8849
8850 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8851
8852         PR middle-end/17544
8853         * c-decl.c (finish_function): If compiling C99, annotate the
8854         compiler generated return with the current file name and line 0.
8855         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8856         the source line is greater than 0.
8857         (remove_bb): Likewise.
8858
8859 See ChangeLog.12 for earlier changes.