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* doc/options.texi: Document the new MaskExists flag.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
2
3         * doc/options.texi: Document the new MaskExists flag.
4         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
5         if the option has the MaskExists flag.
6
7 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
8
9         * opt-functions.awk (flag_set_p, test_flag): New functions.
10         (switch_flags): Use them.
11         * opth-gen.awk: Use flag_set_p to check for flags.
12         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
13
14 2005-03-30  Ian Lance Taylor  <ian@airs.com>
15
16         * config.host (i[34567]86-*-mingw32*): Don't set
17         host_can_use_collect2 to no.
18
19 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
20
21         PR target/20203
22         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
23         Remove convert_memory_address call duplicating that in memory_address.
24
25 2005-03-29  Richard Henderson  <rth@redhat.com>
26
27         PR c/20519
28         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
29         (build_compound_literal): Likewise.  Propagate decl type into the
30         initializer.
31         (finish_decl): Likewise.  Use new return value from complete_array_type
32         for zero sized arrays.
33         (complete_array_type): Move ...
34         * c-common.c (complete_array_type): ... here.  Change first argument
35         to pointer-to-type-node.  Consistently use sizetype for the index
36         except for zero sized arrays.  Detect zero sized arrays for pedantic
37         mode diagnostics.  Create a new type node instead of modifying the
38         old node in place.
39         * c-tree.h (complete_array_type): Move decl ...
40         * c-common.h (complete_array_type): ... here.
41
42 2005-03-29  Richard Henderson  <rth@redhat.com>
43
44         PR tree-opt/19108
45         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
46
47 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
48
49         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
50         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
51         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
52         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
53
54 2005-03-29  Eric Christopher  <echristo@redhat.com>
55
56         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
57         truthvalue conversion removal.
58
59 2005-03-29  Ian Lance Taylor  <ian@airs.com>
60
61         PR bootstrap/14316
62         * collect2.c: Never include <vfork.h>.
63         (VFORK_STRING, vfork): Don't define.
64         (pid): Remove global variable.
65         (handler): Call raise instead of kill (getpid(), ...).
66         (collect_wait): Add pex parameter.  Change all callers.  Use
67         pex_get_status rather than pwait.
68         (do_wait): Add pex parameter.  Change all callers.
69         (collect_execute): Return struct pex_obj * rather than void.  Use
70         pex routines rather than pexecute.
71         (fork_execute): Get pex_obj from collect_execute, and pass it to
72         do_wait.
73         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
74         Only declare quit_handler if SIGQUIT is defined.
75         (scan_libraries): Likewise.
76         * collect2.h (collect_execute): Update declaration.
77         (collect_wait): Update declaration.
78         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
79         pass it to collect_wait.
80
81 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
82
83         PR c/20672
84         * c-parser.c (c_parser_compound_statement_nostart): Give error
85         message for EOF instead of just setting parser->error.
86
87 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
88
89         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
90         (slpeel_update_phi_nodes_for_guard1): New function.
91         (slpeel_update_phi_nodes_for_guard2): New function.
92         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
93         of slpeel_update_phi_nodes_for_guard.
94         (vectorize_loops): Remove call to loop_closed_rewrite.
95         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
96         assertion.
97
98 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
99
100         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
101         (TARGET_LITTLE_ENDIAN): New macro.
102         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
103         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
104         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
105         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
106         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
107         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
108         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
109         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
110         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
111         (TARGET_OPTIONS): Delete.
112         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
113         (CACHE_FLUSH_TRAP): Turn into an integer.
114         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
115         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
116         -mflush-trap is in use.
117         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
118         (m32r_cache_flush_trap_string): Delete.
119         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
120         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
121         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
122         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
123         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
124         -mmodel= and -msdata= handling from...
125         (m32r_init): ...here.
126         * config/m32r/m32r.opt: New file.
127
128 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
129
130         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
131         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
132         * tree-vect-analyze.c (vect_object_analysis): additional parm
133         pass back a "struct ptr_info_def *" with the points-to info.
134         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
135         statement using info returned from vect_object_analysis.
136         * tree-vect-transform.c (update_vuses_to_preheader): New function.
137         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
138         for virtual uses and defs when creating a replacement vector
139         reference.  Call duplicate_ssa_name_ptr_info to define points-to
140         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
141         (vectorizable_store): copy_virtual_operands and update
142         definition statements.
143         (vectorizable_load): copy_virtual_operands.  Remove call to
144         mark_call_clobbered_vars_to_rename for call to "const" builtin.
145         * tree-vectorizer.c (vectorize_loops): Remove calls to
146         rewrite_into_ssa and bitmap_clear (vars_to_rename).
147         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
148         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
149         define macro STMT_VINFO_PTR_INFO for use in accessing.
150         * tree.h add export of duplicate_ssa_name_ptr_info.
151         * rs6000.c (altivec_init_builtins): Declare builtin function
152         __builtin_altivec_mask_for_load to be "const".
153
154 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
155
156         PR middle-end/20622
157         * cgraph.h (struct cgraph_varpool_node): Add alias field.
158         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
159         assemble_variable on aliases.
160         * varasm.c (assemble_alias): Set node->alias.
161         * toplev.c (wrapup_global_declarations): Don't call
162         rest_of_decl_compilation on aliases again.
163
164 2005-03-29  Paul Brook  <paul@codesourcery.com>
165
166         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
167         * config/arm/arm.c (arm_dbx_register_number): New function.
168         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
169
170 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
171
172         PR middle-end/20263
173         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
174         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
175
176 2005-03-29  Dale Johannesen <dalej@apple.com>
177
178         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
179         $(TREE_H) and $(COVERAGE_H).
180         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
181         * opts.c (common_handle_option): Enable tree-based value transforms.
182         * toplev.c (process_options): Ditto.
183         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
184         refers to references to this type.
185         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
186         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
187         for may_be_more, may_be_less.
188         (rtl_gen_pow2_profiler): Adjust.
189         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
190         (rtl_gen_one_value_profiler): Adjust.
191         (rtl_gen_const_delta_profiler): Adjust.
192         * tree-profile.c (tree_gen_interval_profiler): Implement.
193         (tree_gen_pow2_profiler): Ditto.
194         (tree_gen_one_value_profiler): Ditto.
195         (tree_profiling): New.
196         (pass_tree_profile): Reference it.
197         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
198         tree.h, gcov-io.h.
199         (insn_divmod_values_to_profile): Rename to 
200         rtl_divmod_values_to_profile. Adjust.
201         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
202         (insn_prefetch_values_to_profile): Adjust.
203         (rtl_value_profile_transformations): Adjust.
204         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
205         (gen_mod_pow2): Rename to rtl_mod_pow2.
206         (gen_mod_subtract): Rename to rtl_mod_subtract.
207         (divmod_fixed_value_transform): Rename to 
208         rtl_divmod_fixed_value_transform.
209         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
210         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
211         (rtl_find_values_to_profile): Adjust.
212         (tree_value_profile_transformations): Implement.
213         (tree_divmod_values_to_profile): New.
214         (tree_values_to_profile): New.
215         (tree_divmod_fixed_value): New.
216         (tree_mod_pow2): New.
217         (tree_mod_subtract): New.
218         (tree_divmod_fixed_value_transform): New.
219         (tree_mod_pow2_value_transform): New.
220         (tree_mod_subtract_transform): New.
221         (tree_find_values_to_profile): Implement.
222         * profile.c (instrument_values):  Free histograms.
223         (compute_value_histograms): Adjust. Implement tree version.
224
225 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
226
227         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
228         * config/i386/i386.c (output_fix_trunc): Add new round_mode
229         variable.  Output "fldcw" depending on round_mode.
230         * config/i386/i386.md (UNSPEC_FIST): New.
231         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
232         New isns patterns to implement lrint and llrint built-ins as x87
233         intrinsic function.
234         (fistdi2, fist<mode>2 splitters): New splitters.
235         (lrint<mode>2): New expanders.
236
237 2005-03-28  Ian Lance Taylor  <ian@airs.com>
238
239         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
240         0 when calling final_scan_insn.
241
242 2005-03-28  Jan Hubicka  <jh@suse.cz>
243
244         PR middle-end/20635
245         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
246         as needed.
247
248         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
249         types where possible.
250
251 2005-03-26  Per Bothner  <per@bothner.com>
252
253         Make -f[no-]show-column also control non-cpp diagnostics.
254         * c.opt (fshow-column): Move option from here ...
255         * common.opt (fshow-column): ... to here.
256         * diagnostic.c (diagnostic_build_prefix): Only print column number
257         if flag_show_column.
258
259 2005-03-27  Steven Bosscher  <stevenb@suse.de>
260
261         * vax-protos.h (vax_output_int_move, vax_output_int_add,
262         vax_output_conditional_branch): New prototypes.
263         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
264         extracted from vax.md mov and add patterns.
265         (vax_output_conditional_branch): New function to output conditional
266         branch instructions.
267         * vax.md: Use mode macros for arithmetic and mov patterns.
268         Use code macros for the jump patterns.
269
270 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
271
272         * Makefile.in (libbackend.o): Depend on version files;
273         add custom generation command.
274
275 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
276
277         PR target/20636
278         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
279         sure that we have a REG before getting its REGNO.
280
281 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
282
283         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
284         * builtins.def (BUILT_IN_STRNDUP): New.
285
286 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
287
288         PR tree-optimization/20470
289         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
290         ABS(x-y).
291
292 2005-03-25  Mike Stump  <mrs@apple.com>
293
294         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
295         sized objects.
296
297 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
298
299         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
300         Use our own structure definitions.
301
302         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
303         (fix_truncdfsi2): Allow registers or memory as destination.
304         When TARGET_PPC_GFXOPT, generate simplified pattern.
305         (fix_truncdfsi2_internal): Use define_insn_and_split.
306         (fix_truncdfsi2_internal_gfxopt): New.
307         (fctiwz): Don't confuse register allocation by giving it no choices.
308         (stfiwx): New.
309         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
310         (EXTRA_MEMORY_CONSTRAINT): Likewise.
311         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New. 
312         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
313
314 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
315
316         * dominance.c (free_dominance_info): Speed up by freeing et
317         data structures without maintaining other nodes.
318         * et-forest.c (et_free_tree_force): New.
319         * et-forest.h: Add a prototype for et_free_tree_force.
320
321         * tree.c (get_set_constructor_bits,
322         get_set_constructor_bytes): Remove.
323         * tree.h: Remove the corresponding prototypes.
324
325 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
326
327         PR target/15491
328         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
329         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
330         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
331         PRE_DEC, NEG and NOT.
332
333 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
334
335         * fold-const.c: Convert uses of fold (build (...)) to
336         fold_buildN.
337
338 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
339
340         PR rtl-optimization/20249
341         * cse.c (insert_regs): Do not record equivalence of registers in
342         different modes.
343
344 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
345
346         * emit-rtl.c (reverse_comparison): Remove.
347         * rtl.h: Remove the corresponding prototype.
348
349 2005-03-24  James E Wilson  <wilson@specifixinc.com>
350
351         * doc/install.texi (--enable-altivec): Delete docs.
352
353 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
354
355         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
356         SFmode and DFmode before reload when
357         flag_unsafe_math_optimizations not enabled.
358
359 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
360
361         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
362
363         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
364         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
365
366 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
367
368         * configure.ac (enable-checking): Add 'runtime' option.
369         * doc/install.texi (enable-checking): Document 'runtime' checking.
370         * tsystem.h (gcc_assert, gcc_unreachable): Define.
371         * config.in: Regenerated.
372         * configure: Regenerated.
373
374 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
375
376         * optabs.h (enum optab_index): Remove OTI_llrint.
377         (llrint_optab): Remove macro.
378         * optabs.c (init_optabs): Remove llrint_optab initialization.
379         * genopinit.c (optabs): Remove llrint_optab implementation.
380         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
381         using lrint_optab.
382
383 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
384
385         PR rtl-optimization/20532
386         * simplify-rtx.c (simplify_binary_operation_1): Protect from
387         overflow when adding coefficients for PLUS or MINUS.
388         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
389         two as multiplier.
390
391 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
392
393         * langhooks.h (truthvalue_conversion): Remove.
394         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
395         LANG_HOOKS_TRUTHVALUE_CONVERSION.
396         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
397         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
398         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
399
400 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
401
402         * params.def: Fix a typo.
403         * config/mips/mips.c: Follow the spelling convensions.
404         * doc/invoke.texi: Fix typos.
405
406 2005-03-18  Dale Johannese  <dalej@apple.com>
407
408         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
409
410 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
411
412         Fix PR tree-optimization/20601
413
414         * tree-ssa-pre.c (insert_aux): Add missing condition to
415         constification.
416
417 2005-03-23  Ian Lance Taylor  <ian@airs.com>
418
419         * final.c (final_scan_insn): Don't remove no-op instructions.
420         * reload1.c (reload): Remove simple no-op instructions even when
421         not optimizing.
422
423 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
424  
425         PR tree-optimization/20501
426         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
427         reporting that peeling for alignment is applied moved to...
428         * (vect_analyze_data_refs_alignment): Here.
429
430 2005-03-23  Ian Lance Taylor  <ian@airs.com>
431
432         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
433
434 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
435
436         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
437         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
438
439 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
440
441         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
442         imply that this is called once, independent of asms in code.
443         Adjust to now being pased output and input lists.  Mention helper
444         function decl_overlaps_hard_reg_set_p.
445         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
446         hook_tree_tree_identity and to take three trees, returning third.
447         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
448         prototype.
449         * stmt.c: include hard-reg-set.h before tree.h.
450         (decl_overlaps_hard_reg_set_p): New function, broken out from...
451         (decl_conflicts_with_clobbers_p): Call
452         decl_overlaps_hard_reg_set_p.
453         (expand_asm_operands): Pass output and input lists in call to
454         targetm.md_asm_clobbers.
455         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
456         hook_tree_tree_tree_tree_3rd_identity.
457         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
458         parameters.
459         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
460         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
461         parameters, first two unused.
462         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
463         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
464         in constraint letters and MOF is not mentioned as a asm-declared
465         register in neither of the input and output lists.
466
467 2005-03-23  DJ Delorie  <dj@redhat.com>
468
469         * optabs.c (expand_binop): Make sure the first subword's result
470         gets stored.
471
472 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
473
474         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
475         Call c_common_truthvalue_conversion rather than
476         lang_hooks.truthvalue_conversion.
477         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
478         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
479         c-typeck.c.
480         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
481         c_common_truthvalue_conversion.
482         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
483         c_parser_conditional_expression, c_parser_binary_expression): Call
484         c_objc_common_truthvalue_conversion.
485         * c-typeck.c (build_unary_op): Call
486         c_objc_common_truthvalue_conversion.
487         (build_conditional_expr): Do not call
488         lang_hooks.truthvalue_conversion.
489         (build_binary_op): Call c_common_truthvalue_conversion.
490         (c_objc_common_truthvalue_conversion): Moved from
491         c-objc-common.c.  Call default_function_array_conversion instead
492         of default_conversion.
493
494 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
495
496         * c-common.h (default_conversion): Remove.
497         (perform_integral_promotions): Add.
498         * c-tree.h (default_conversion): Add.
499         * c-typeck.c (perform_integral_promotions): New, split out from
500         default_conversion.
501         * c-common.c (check_case_value): Use perform_integral_promotions,
502         not default_conversion.
503         (c_add_case_label): Don't continue processing case label after
504         found to be pointer.
505
506 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
507
508         * gcc.c (do_spec_1): Do not add a -L path for a directory in
509         the prefix list if we have already added a multilib directory
510         based on that path.
511         (main): Do not add MD_EXEC_PREFIX to the list of directories to
512         search with -L.
513
514 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
515
516         * reload1.c (indirect_symref_ok, reload_obstack): Make them
517         static.
518         * reload.h: Remove the prototype for indirect_symref_ok.
519
520         * reload1.c (indirect_symref_ok): Make it global.
521         * reload.h: Add a prototype for indirect_symref_ok.
522
523 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
524
525         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
526         ashlhi3 expander.
527
528 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
529
530         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
531
532 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
533
534         * c-opts.c (c_common_parse_file): Only start/end main source file
535         if debug hooks says the writer wants it.
536         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
537         member.
538         (xcoff_debug_hooks): Ditto.
539         * debug.c (do_nothing_hooks): Ditto.
540         * debug.h (gcc_debug_hooks): Ditto.
541         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
542         * sdbout.c (sdb_debug_hooks): Ditto.
543         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
544         
545 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
546
547         * doc/extend.texi: Deprecate C++ min/max operators.
548
549 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
550
551         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
552         artificial original candidates.
553
554 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
555             Jan Hubicka  <jh@suse.cz>
556             Steven Bosscher <stevenb@suse.de>
557
558         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
559         call cost based on argument sizes.
560         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
561         inlining.
562         * params.def: (max-inline-inssn-single): Set to 450.
563         (max-inline-insns-auto): Set to 90.
564         (max-inline-insns-recursive): Set to 450
565         (max-inline-insns-recursive-auto): Set to 450.
566         (large-function-insns): Set to 2700.
567         (inline-call-cost): New parameter.
568         * tree-inline.c (estimate_move_cost): New function.
569         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
570         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
571         based on arguments.
572         * tree-inline.h (estimate_move_cost): Declare.
573         * invoke.texi: (max-inline-inssn-single): Change default to 450.
574         (max-inline-insns-auto): Change default to 90.
575         (max-inline-insns-recursive): Change default to 450
576         (max-inline-insns-recursive-auto): Change default to 450.
577         (large-function-insns): Change default to 2700.
578         (inline-call-cost): Document new parameter.
579
580 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
581
582         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
583         (TARGET_DEFAULT): Delete.
584         * config/i860/i860.opt: New file.
585
586 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
587
588         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
589         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
590         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
591         (frv_sched_lookahead): Delete.
592         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
593         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
594         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
595         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
596         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
597         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
598         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
599         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
600         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
601         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
602         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
603         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
604         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
605         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
606         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
607         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
608         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
609         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
610         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
611         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
612         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
613         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
614         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
615         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
616         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
617         (frv_sched_lookahead): Delete.
618         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
619         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
620         (frv_handle_option): New function.  Move -mcpu= handling from...
621         (frv_override_options): ...here.  Remove handling of other
622         TARGET_OPTIONS.
623         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
624         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
625         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
626         and TARGET_NO_MULTI_CE.
627         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
628         !TARGET_VLIW_BRANCH.
629         * config/frv/frv.opt: New file.
630
631 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
632
633         * fold-const.c (fold_ternary): Take decomposed arguments of
634         CALL_EXPR.
635         (fold): Update a call to fold_ternary.
636
637         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
638         * tree.h: Add corresponding prototypes.
639
640 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
641
642         PR target/20561
643         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
644         between jump table and its label.
645         * final.c (shorten_branches): Handle notes in between ADDR_VEC
646         resp. ADDR_DIFF_VEC and the label preceeding it.
647         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
648         is emitted in the right section.
649
650 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
651
652         * fold-const.c (fold_unary, fold_binary): Update comments
653         about arguments.
654
655 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
656
657         PR rtl-optimization/20527
658         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
659         REG_INC note, test that the register also isn't mentioned in PRED
660         or SUCC.
661
662 2005-03-22  Ben Elliston  <bje@au.ibm.com>
663
664         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
665         and definition.
666
667 2005-03-21  Mike Stump  <mrs@apple.com>
668
669         * varasm.c (default_assemble_visibility): Remove extra ().
670
671 2005-03-21  Roger Sayle  <roger@eyesopen.com>
672
673         PR middle-end/20557
674         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
675         to determine whether a block can be duplicated, rather than test
676         whether the block contains noncopyable insns ourselves.
677
678 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
679
680         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
681         predicates.
682
683 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
684
685         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
686
687 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
688
689         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
690         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
691         * config/fr30/fr30.opt: New file.
692
693 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
694         
695         Fix PR tree-optimization/20542
696
697         * tree-flow-inline.h (overlap_subvar): Move to here.
698         * tree-ssa-operands.c: From here.
699         * tree-flow.h (overlap_subvar): Declare.
700         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
701         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
702         for variables with subvars.
703         
704 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
705
706         PR middle-end/20177
707         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
708         * modulo-sched.c (const_iteration_count): Return on NULL
709         pre-header.
710         (print_node_sched_params): Return on NULL dump_file.
711         (generate_reg_moves): Handle reg-anti dependencies and disregard
712         closing branch when generating register moves.
713         (sms_schedule): Mark the SMSed block dirty.
714         * passes.c (rest_of_handle_sms): Call update_life_info for all
715         basic-blocks.
716         * testsuite/gcc.dg/20050321-1.c: New test.
717
718 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
719
720         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
721         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
722         movqi_internal): Likewise.
723
724 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
725
726         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
727         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
728         xtensa_b4const): Delete prototypes.
729         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
730         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
731         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
732         xtensa_extra_constraint): New prototypes.
733         (add_operand, arith_operand, nonimmed_operand, mem_operand,
734         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
735         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
736         move_operand, const_float_1_operand, fpmem_offset_operand,
737         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
738         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
739         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
740         argument type to HOST_WIDE_INT.
741         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
742         xtensa_mask_immediate): Likewise.
743         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
744         Likewise.  Also make these functions static.
745         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
746         (xtensa_const_ok_for_letter_p): New.
747         (add_operand, arith_operand, nonimmed_operand, mem_operand,
748         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
749         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
750         move_operand, const_float_1_operand, fpmem_offset_operand,
751         branch_operator, ubranch_operator, boolean_operator): Move to
752         predicates.md.
753         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
754         (xtensa_mem_offset): Change return type to bool.
755         (xtensa_extra_constraint): New.
756         (gen_int_relational): Update type of const_range_p function pointer.
757         Use xtensa_b4const_or_zero.
758         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
759         xtensa_const_ok_for_letter_p.  Update comments.
760         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
761         (PREDICATE_CODES): Delete.
762         * config/xtensa/xtensa.md: Include predicates.md.
763         * config/xtensa/predicates.md: New file.
764
765 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
766
767         * config/v850/v850-protos.h: Remove the prototypes for
768         reg_or_int9_operand, reg_or_const_operand,
769         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
770         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
771         movsi_source_operand, power_of_two_operand,
772         not_power_of_two_operand, special_symbolref_operand,
773         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
774         register_is_ok_for_epilogue.
775         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
776         reg_or_int9_operand, reg_or_const_operand,
777         call_address_operand, special_symbolref_operand,
778         movsi_source_operand, power_of_two_operand,
779         not_power_of_two_operand, register_is_ok_for_epilogue,
780         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
781         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
782         predicates.md.
783         * config/v850/v850.h (PREDICATE_CODES): Remove.
784         * config/v850/v850.md: Include predicates.md.
785         * config/v850/predicates.md: New.
786
787 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
788
789         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
790         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
791         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
792         (itoolsdir, itoolsdatadir): Move definition above new first use.
793         (install-itoolsdirs): New rule.
794         (install-mkheaders): Depend on install-itoolsdirs, not
795         install-include-dir.
796
797 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
798
799         * tree-into-ssa.c: Remove obsolete comments.
800
801 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
802
803         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
804         unrolling if -fpeel-loops is specified, too.
805         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
806         Remove superfluous check for flag_unroll_loops.
807
808 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
809
810         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
811         (lrint_optab, llrint_optab): Define corresponding macros.
812         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
813         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
814         pattern and llrint_optab using llrintdi2 patterns.
815         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
816         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
817         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
818         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
819         flag_unsafe_math_optimizations is set.
820
821 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
822
823         * combine.c (combine_simplify_rtx, simplify_if_then_else,
824         simplify_logical, if_then_else_cond, known_cond,
825         simplify_comparison): Adjust calls to reverse_comparison.
826         Don't use combine_reversed_comparison_code).
827         (combine_reversed_comparison_code): Remove.
828         (reversed_comparison): Using reversed_comparison_code, move it...
829         * jump.c (reversed_comparison): ... here.
830         * rtl.h (reversed_comparison): Add prototype.
831
832 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
833
834         * builtins.c (fold_builtin): Take decomposed arguments of
835         CALL_EXPR.
836         * fold-const.c (fold_ternary): Update a call to fold_builtin.
837         * gimplify.c (gimplify_call_expr): Likewise.
838         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
839         * tree.h: Update the prototype of fold_builtin.
840
841 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
842
843         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
844         * rtlhooks.c (gen_lowpart_no_emit_general): New.
845         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
846         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
847         * simplify-rtx.c (simplify_binary_operation_1): Use it.
848
849 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
850
851         * builtins.c (fold_builtin_1): Take decomposed arguments of
852         CALL_EXPR.
853         (fold_builtin): Update a call to fold_builtin_1.
854
855 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
856
857         PR other/20564
858         * gcov.c (output_lines): Only output function block summary when
859         outputting branch information.
860         * doc/gcov.texi: Document format of preamble and additional block
861         information lines.
862
863 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
864
865         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
866         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
867         the defaults false if BITS_PER_UNIT != 8.
868         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
869         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
870         than BITS_PER_UNIT != 8.
871         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
872         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
873         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
874         #undefs.
875         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
876         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
877
878 2005-03-20  Roger Sayle  <roger@eyesopen.com>
879
880         PR middle-end/20539
881         * fold-const.c (fold_binary): Fix type mismatch between
882         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
883         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
884         for non-truth-valued expressions.
885
886         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
887         and FUNCTION_DECL in the main switch.
888         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
889         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
890         we also need to convert their operands to match.
891         <TRUTH_NOT_EXPR>: Likewise.
892
893 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
894
895         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
896         diagnostic without checking whether an lvalue.
897         * c-common.h (lvalue_p): Remove.
898         (enum lvalue_use): Update comment.
899         (lvalue_or_else): Replace by lvalue_error.
900         * c-typeck.c (lvalue_p): Make static.
901         (lvalue_or_else): New.  Call lvalue_error.
902
903 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
904
905         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
906         (function_arg_advance): Use rs6000_parm_start.
907         (function_arg, rs6000_arg_partial_bytes): Likewise.
908
909 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
910
911         * c-common.c (check_case_value): Adjust comment about stripping
912         NOPs.
913         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
914         * c-typeck.c (default_conversion, convert_arguments,
915         build_modify_expr, convert_for_assignment, store_init_value,
916         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
917         manually.  Remove inaccurate comments.
918
919 2005-03-20  Roger Sayle  <roger@eyesopen.com>
920             Joseph S. Myers  <joseph@codesourcery.com>
921
922         * varasm.c (do_assemble_alias): Restore comment describing function.
923         Annotate the target parameter as potentially unused.
924
925 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
926
927         PR target/18551
928         * config/avr/avr.c (avr_output_function_prologue): Do not use
929         current_function_name() in a label, use a local label instead.
930
931 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
932
933         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
934         flag_finite_math_only, not flag_unsafe_math_optimizations.
935
936 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
937
938         * builtins.c (fold_builtin_1): Update a call to
939         targetm.fold_builtin.
940         * hooks.c (hook_tree_tree_bool_null): Rename to
941         hook_tree_tree_tree_bool_null.  Take one more argument of type
942         tree.
943         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
944         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
945         hook_tree_tree_tree_bool_null.
946         * target.h (gcc_target): Update the prototype of fold_builtin.
947         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
948         arguments of CALL_EXPR.
949         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
950         new prototype.
951
952 2005-03-20  Jan Hubicka  <jh@suse.cz>
953
954         * cgraph.h (cgraph_node): Add prev_clone pointer.
955         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
956         (cgraph_clone_node): Produce doubly linked chain.
957
958 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
959
960         * c-common.c (handle_aligned_attribute, check_function_sentinel,
961         get_nonnull_operand, handle_sentinel_attribute,
962         check_function_arguments_recurse): Do not strip NOPS from
963         INTEGER_CSTs.
964         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
965         Likewise.
966         * c-format.c (get_constant): Likewise.
967         * c-parser.c (c_parser_postfix_expression): Likewise.
968         * c-typeck.c (set_init_index): Likewise.
969         (convert_arguments): Don't check for NOP_EXPR containing integer
970         constant.
971
972 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
973
974         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
975         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
976         Take decomposed arguments of CALL_EXPR.
977         (fold_builtin_1): Update calls to the functions mentioned
978         above.
979
980 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
981
982         * c-decl.c (check_bitfield_type_and_width): Require bit-field
983         width to have integer type.
984         (build_enumerator): Require enumerator value to have integer type.
985
986 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
987
988         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
989         to __builtin_inff.
990
991 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
992
993         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
994         std=iso9899:199x): Correct descriptions.
995
996 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
997
998         * config.gcc: Consistently use solaris2.1[0-9]* instead of
999         solaris2.1[0-9].
1000
1001 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
1002
1003         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
1004         of CALL_EXPR.
1005         (expand_builtin_memcpy, fold_builtin_1): Update calls to
1006         fold_builtin_memcpy.
1007
1008         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
1009         arguments of CALL_EXPR.
1010         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
1011         fold_builtin_found, fold_builtin_1): Update calls to
1012         fold_trunc_transparent_mathfn.
1013
1014 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1015
1016         PR middle-end/20493
1017         * fold-const.c (fold_widened_comparison): Don't optimize casts of
1018         function pointers on targets that require function pointer
1019         canonicalization.
1020         (fold_sign_changed_comparison): Likewise.
1021
1022 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1023
1024         * combine.c (try_combine): When changing the mode of a hard reg, make
1025         sure that doing so is valid.
1026
1027 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
1028
1029         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
1030         (TARGET_HANDLE_OPTION): Override default.
1031         (avr_handle_option): New function.
1032         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
1033         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
1034         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
1035         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
1036         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
1037         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
1038         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
1039         (TARGET_OPTIONS): Delete.
1040         * config/avr/avr.opt: New file.
1041
1042 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1043
1044         * config/m32r/m32r-protos.h: Remove the prototypes for
1045         call_address_operand, symbolic_operand, seth_add3_operand,
1046         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1047         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1048         two_insn_const_operand, move_src_operand,
1049         move_double_src_operand, move_dest_operand,
1050         eqne_comparison_operator, signed_comparison_operator,
1051         large_insn_p, conditional_move_operand, carry_compare_operand,
1052         m32r_block_immediate_operand, extend_operand,
1053         reg_or_eq_int16_operand, int8_operand, and
1054         reg_or_zero_operand.
1055         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1056         seth_add3_operand, int8_operand, cmp_int16_operand,
1057         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1058         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1059         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1060         move_double_src_operand, move_dest_operand,
1061         eqne_comparison_operator, signed_comparison_operator,
1062         extend_operand, small_insn_p, large_insn_p,
1063         conditional_move_operand, carry_compare_operand,
1064         m32r_block_immediate_operand): Move to predicates.md.
1065         (MAX_MOVE_BYTES): Move to m32r.h.
1066         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1067         * config/m32r/m32r.md: Include predicates.md.
1068         * config/m32r/predicates.md: New.
1069
1070 2005-03-18  James E Wilson  <wilson@specifixinc.com>
1071
1072         PR c++/19769
1073         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
1074         origin.
1075
1076 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1077
1078         * config/mn10300/mn10300-protos.h: Remove the prototypes for
1079         call_address_operand, const_8bit_operand.
1080         * config/mn10300/mn10300.c (call_address_operand,
1081         const_8bit_operand, const_1f_operand): Move to predicates.md.
1082         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
1083         * config/mn10300/mn10300.md: Include predicates.md.
1084         * config/mn10300/predicates.md: New.
1085
1086 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
1087
1088         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
1089         declarations in diagnostics and %E for identifiers, not %s.
1090
1091 2005-03-18  Jan Hubicka  <jh@suse.cz>
1092             Dale Johannesen  <dalej@apple.com>
1093
1094         * basic-block.h (scale_bbs_frequencies_int,
1095         scale_bbs_frequencies_gcov_type): Declare.
1096         * cfg.c (RDIV): New macro.
1097         (update_bb_frequency_for_threading): Fix.
1098         * basic-block.h (scale_bbs_frequencies_int,
1099         scale_bbs_frequencies_gcov_type): New.
1100         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
1101         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
1102         scale_bbs_frequencies_int.
1103         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
1104
1105 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1106
1107         * config/m32r/m32r-protos.h: Remove the prototypes for
1108         call_address_operand, symbolic_operand, seth_add3_operand,
1109         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1110         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1111         two_insn_const_operand, move_src_operand,
1112         move_double_src_operand, move_dest_operand,
1113         eqne_comparison_operator, signed_comparison_operator,
1114         large_insn_p, conditional_move_operand, carry_compare_operand,
1115         m32r_block_immediate_operand, extend_operand,
1116         reg_or_eq_int16_operand, int8_operand, and
1117         reg_or_zero_operand.
1118         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1119         seth_add3_operand, int8_operand, cmp_int16_operand,
1120         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1121         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1122         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1123         move_double_src_operand, move_dest_operand,
1124         eqne_comparison_operator, signed_comparison_operator,
1125         extend_operand, small_insn_p, large_insn_p,
1126         conditional_move_operand, carry_compare_operand,
1127         m32r_block_immediate_operand): Move to predicates.md.
1128         (MAX_MOVE_BYTES): Move to m32r.h.
1129         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1130         * config/m32r/m32r.md: Include predicates.md.
1131         * config/m32r/predicates.md: New.
1132
1133         * config/pa/pa-protos.h: Add prototypes for magic_milli and
1134         shadd_constant_p.
1135         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
1136         symbolic_operand, symbolic_memory_operand,
1137         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
1138         indexed_memory_operand, move_dest_operand, move_src_operand,
1139         prefetch_cc_operand, prefetch_nocc_operand,
1140         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
1141         arith_operand, arith11_operand, pre_cint_operand,
1142         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
1143         ireg_operand, int5_operand, uint5_operand, int11_operand,
1144         uint32_operand, arith5_operand, and_operand, ior_operand,
1145         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
1146         pc_or_label_operand, div_operand, plus_xor_ior_operator,
1147         shadd_operand, movb_comparison_operator,
1148         cmpib_comparison_operator): Move to predicates.md.
1149         (magic_milli, shadd_constant_p): Make it extern.
1150         * config/pa/pa.h (PREDICATE_CODES): Remove.
1151         * config/pa/pa.md: Include predicates.md.
1152         * config/pa/predicates.md: New.
1153
1154         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
1155         predicate.
1156
1157 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1158
1159         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
1160         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1161         config/alpha/freebsd.h, config/alpha/linux.h,
1162         config/alpha/netbsd.h, config/alpha/osf5.h,
1163         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
1164         config/h8300/h8300-protos.h, config/h8300/h8300.c,
1165         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
1166         doc/cppopts.texi: Update copyright.
1167
1168 2005-03-18  Jan Hubicka  <jh@suse.cz>
1169
1170         PR middle-end/20225
1171         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
1172         too late.
1173         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
1174         called too late.
1175
1176 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1177
1178         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
1179         VEC_safe_push.
1180
1181 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
1182
1183         * combine.c (gen_binary): Remove.
1184         (known_cond, simplify_shift_const, find_split_point,
1185         combine_simplify_rtx, simplify_if_then_else, simplify_set,
1186         simplify_logical, expand_field_assignment, extract_left_shift,
1187         force_to_mode, if_then_else_cond, apply_distributive_law,
1188         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
1189         simplify_comparison, reversed_comparison): Replace with
1190         simplify_gen_binary, simplify_gen_relational or
1191         distribute_and_simplify_rtx.
1192         (distribute_and_simplify_rtx): New function.
1193
1194 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
1195             Paolo Bonzini  <gcc.gnu.org>
1196
1197         * calls.c (setjmp_call_p, special_function_p): Update comments
1198         at the head of the functions.
1199
1200 2005-03-18  Jan Hubicka  <jh@suse.cz>
1201
1202         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
1203
1204         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
1205         function body should be released; do not proactively release function
1206         bodies in non-unit-at-a-time mode.
1207
1208 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
1209
1210         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
1211         mno-fp-ret-in-387 multilib variants.
1212
1213 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
1214
1215         * common.opt (m): Remove.
1216         * opts.c (handle_option): Pass 'm' options to set_target_switch if
1217         table lookup fails.
1218         (common_handle_option): Remove OPT_m case.
1219
1220 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1221
1222         * builtins.c (fold_builtin_bitop): Take decomposed arguments
1223         of CALL_EXPR.
1224         (fold_builtin_1): Update a call to fold_builtin_bitop.
1225
1226         * builtins.c (fold_builtin_signbit): Take decomposed arguments
1227         of CALL_EXPR.
1228         (fold_builtin_1): Update a call to fold_builtin_signbit.
1229
1230 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
1231
1232         PR tree-optimization/20474
1233         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
1234         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
1235
1236 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1237
1238         * config/h8300/h8300-protos.h: Remove prototypes for
1239         general_operand_src, general_operand_dst, single_one_operand,
1240         single_zero_operand, call_insn_operand,
1241         two_insn_adds_subs_operand, small_call_insn_operand,
1242         jump_address_operand, bit_operand, bit_memory_operand,
1243         stack_pointer_operand, const_int_gt_2_operand,
1244         const_int_ge_8_operand, const_int_qi_operand,
1245         const_int_hi_operand, incdec_operand, bit_operator,
1246         nshift_operator, eqne_operator, gtle_operator,
1247         gtuleu_operator, iorxor_operator.
1248         Add prototypes for h8sx_shift_type h8sx_classify_shift and
1249         h8300_ldm_stm_parallel.
1250         * config/h8300/h8300.c (h8sx_shift_type,): Move to
1251         h8300-protos.h.
1252         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1253         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1254         (h8300_ldm_stm_parallel): Make it extern.
1255         (h8300_ldm_parallel, h8300_stm_parallel,
1256         h8300_return_parallel, general_operand_src,
1257         general_operand_dst, h8300_dst_operand, h8300_src_operand,
1258         nibble_operand, reg_or_nibble_operand, single_one_operand,
1259         single_zero_operand, call_insn_operand,
1260         two_insn_adds_subs_operand, small_call_insn_operand,
1261         jump_address_operand, bit_operand, bit_memory_operand,
1262         stack_pointer_operand, const_int_gt_2_operand,
1263         const_int_ge_8_operand, const_int_qi_operand,
1264         const_int_hi_operand, incdec_operand, eqne_operator,
1265         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1266         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1267         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1268         nshift_operator): Move to predicates.md.
1269         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1270         * config/h8300/h8300.md: Include predicates.md.
1271         * config/h8300/predicates.md: New.
1272
1273 2005-03-17  Richard Henderson  <rth@redhat.com>
1274
1275         * config.gcc (ia64*-*-hpux*): Add extra_options.
1276         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1277         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1278         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1279         (ia64_tls_size_string, ia64_tune_string): Remove.
1280         (ia64_tune): Init to PROCESSOR_ITANIUM2.
1281         (TARGET_DEFAULT_TARGET_FLAGS): New.
1282         (TARGET_HANDLE_OPTION): New.
1283         (ia64_override_options): Move options parsing ...
1284         (ia64_handle_option): ... here.  New.
1285         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1286         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1287         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1288         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1289         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1290         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1291         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1292         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1293         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1294         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1295         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1296         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1297         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1298         TARGET_EARLY_STOP_BITS): Remove.
1299         (TARGET_ILP32): Default false.
1300         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1301         (enum ia64_inline_type): New.
1302         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1303         * config/ia64/ia64.md: Update for new definitions of
1304         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1305         * config/ia64/ia64.opt: New file.
1306         * config/ia64/ilp32.opt: New file.
1307
1308 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1309
1310         PR target/18380
1311         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1312
1313 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1314
1315         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1316         instead of MASK_H8300S.
1317         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1318         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1319         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1320         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1321         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1322         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1323         TARGET_SWITCHES): Remove.
1324         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1325         TARGET_H8300SX.
1326         * config/h8300/h8300.opt: New.
1327
1328         * config/alpha/alpha.opt, config/arc/arc.opt,
1329         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1330         notices.
1331
1332 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1333
1334         * gmon.c: Remove.
1335
1336 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1337
1338         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1339         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1340         (TARGET_HANDLE_OPTION): Override default.
1341         (arc_handle_option): New function.
1342         (arc_init): Remove code to set arch_cpu_string.
1343         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1344         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1345         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1346         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1347         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1348         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1349         (arc_rodata_string, TARGET_OPTIONS): Delete.
1350         * config/arc/arc.opt: New file.
1351
1352 2005-03-17  Richard Henderson  <rth@redhat.com>
1353
1354         * doc/extend.texi (Weak Pragmas): New section.
1355         (attribute alias): Clarify that target must be in the same
1356         translation unit.
1357
1358 2005-03-17  Richard Henderson  <rth@redhat.com>
1359
1360         * config/alpha/alpha.opt: New file.
1361         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1362         of alpha_cpu.
1363         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1364         alpha_fprm_string, alpha_fptm_string): Make static.
1365         (alpha_tls_size_string): Remove.
1366         (alpha_handle_option): New.
1367         (override_options): Update for alpha_cpu/alpha_tune split.
1368         (alpha_file_start): Likewise.
1369         (TARGET_DEFAULT_TARGET_FLAGS): New.
1370         (TARGET_HANDLE_OPTION): New.
1371         * config/alpha/alpha.h (alpha_tune): Declare.
1372         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1373         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1374         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1375         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1376         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1377         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1378         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1379         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1380         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1381         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1382         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1383         (TARGET_DEFAULT): Remove MASK_FP.
1384         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1385         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1386         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1387         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1388         alpha_tls_size_string): Remove.
1389         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1390         (attribute tune): Rename from attribute cpu.
1391         * config/alpha/ev4.md: Update to match.
1392         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1393         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1394         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1395         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1396         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1397         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1398
1399 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1400
1401         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1402         and return without creating new state if before_nops_num is nonzero.
1403         * config/ia64/ia64.md (first_insn): New attribute.
1404         (alloc): Set it to yes.
1405
1406 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1407
1408         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1409         STMT_VINFO_SUBVARS to NULL.
1410         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1411
1412 2005-03-16 Dale Johannesen  <dalej@apple.com>
1413
1414         * rtlanal.c (find_first_parameter_load):  Rewrite to
1415         return actual first param load or the call if none,
1416         instead of first in block, when not all loads exist.
1417
1418 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1419
1420         * optabs.c (expand_copysign_absneg): Make static.
1421         * optabs.h (expand_copysign_absneg): Delete prototype.
1422         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1423
1424 2005-03-16  Richard Henderson  <rth@redhat.com>
1425
1426         PR middle-end/15700
1427         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1428         (alias_pairs): Rename from output_defs.
1429         (find_decl_and_mark_needed): Split out from assemble_alias.
1430         (do_assemble_alias): New.
1431         (assemble_output_def): Remove.
1432         (finish_aliases_1, finish_aliases_2): New.
1433         (process_pending_assemble_output_defs): Remove.
1434         (assemble_alias): Defer aliases for which we don't yet have a
1435         non-external decl for the target symbol.
1436         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1437         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1438         * toplev.c (compile_file): Use finish_aliases_2 instead of
1439         process_pending_assemble_output_defs.
1440         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1441         (process_pending_assemble_output_defs): Remove.
1442
1443 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1444
1445         Fix PR tree-optimization/20489
1446
1447         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1448         for empty structures.
1449
1450 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1451
1452         Fix PR tree-optimization/20490
1453
1454         * tree-ssa-pre.c (create_expression_by_pieces): Use
1455         force_gimple_operand on result of fold.
1456
1457 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1458
1459         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1460         of closing parenthesis.
1461
1462 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1463
1464         * builtins.c (expand_movstr): Update a call to
1465         fold_builtin_strcpy.
1466         (expand_builtin_strncpy): Update a call to
1467         fold_builtin_strncpy.
1468         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1469         arguments of CALL_EXPR.
1470         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1471         fold_builtin_strncpy.
1472         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1473         * tree.h: Update the prototypes of fold_builtin_strcpy and
1474         fold_builtin_strncpy.
1475
1476 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1477             Dorit Naishlos  <dorit@il.ibm.com>
1478
1479         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1480         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1481         error.
1482
1483 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1484
1485         * tree-inline.c (walk_type_fields, walk_tree,
1486         walk_tree_without_duplicates): Move from here...
1487         * tree.c: ...to here.
1488
1489 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1490
1491         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1492         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1493         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1494         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1495         (version): Define using $(BASEVER_c).
1496         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1497         version.c.
1498         (version.o): Depend on version files; add custom generation command.
1499         (prefix.o): Define BASEVER on command line.
1500         (s-iov): Depend on version files; adjust command.
1501         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1502         Add gcc-vers.texi.
1503         (gcc-vers.texi): New rule.
1504         (doc/%.info, doc/%.dvi): Add -I . to command line.
1505         (doc/gccinstall.dvi): Likewise.
1506         (PACKAGE): Delete.  All uses replaced with "gcc".
1507         * aclocal.m4: Do not include gcc-version.m4.
1508         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1509         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1510         Set is_release based on contents of DEV-PHASE.
1511         Set gcc_version based on contents of BASE-VER.
1512         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1513         * config.in, configure: Regenerate.
1514         * gccbug.in: Determine version of GCC in use at runtime.
1515         * gcov-iov.c: Get version number and development phase from
1516         command line, not by including version.c.
1517         * intl.c: Replace all uses of PACKAGE with "gcc".
1518         * libada-mk.in: Delete unused "gcc_version" variable.
1519         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1520         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1521         commentary to match.
1522         (version_string): Put together from pieces.
1523         * config/alpha/x-vms: Do not use $(gcc_version).
1524         * config/i386/t-nwld: Likewise.
1525         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1526         version-GCC and DEVELOPMENT.
1527
1528 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1529
1530         PR tree-optimization/17454
1531         * tree.c (tree_size): Add case for TREE_BINFO.
1532         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1533         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1534
1535 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1536
1537         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1538         op1 whilst expanding the signed widenening multiply variant.
1539
1540 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1541
1542         * toplev.c (display_target_options): Avoid unused variable warning if
1543         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1544         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1545         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1546         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1547         (mips_isa_info): New variable.
1548         (mips_parse_cpu): Remove the first argument and leave the caller
1549         to report errors.
1550         (TARGET_HANDLE_OPTION): Override default.
1551         (mips_handle_option): New function.  Move option validation code from...
1552         (override_options): ...here.  Update calls to mips_parse_cpu.
1553         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1554         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1555         (SUBTARGET_TARGET_OPTIONS): Delete.
1556         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1557         (mno-flush-func, mtune=): New options.
1558
1559 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1560             Richard Henderson  <rth@redhat.com>
1561
1562         * real.c (c4x_single_format, c4x_extended_format): Provide values
1563         for signbit_ro for c4x's single and extended floating point formats.
1564         * optabs.c (expand_copysign): Use the floating point format's
1565         signbit_ro for expanding via expand_copysign_absneg, and it's
1566         signbit_rw field for expanding via expand_copysign_bit.
1567
1568 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1569
1570         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1571         known_alignment_for_access_p.
1572         (known_alignment_for_access_p): New.
1573         (do_peeling_for_alignment): Field made int instead of bool and renamed
1574         to peeling_for_alignment.
1575         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1576         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1577         functionality used to be in vect_analyze_operations.
1578         (vect_analyze_operations): Code to determine vectorization factor was
1579         moved to vect_determine_vectorization_factor.
1580         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1581         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1582         factor.
1583         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1584         be part of vect_analyze_operations).
1585         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1586         creating the guard condition, as the number of iterations may be
1587         constant.
1588         (slpeel_tree_peel_loop_to_edge): Use new name of
1589         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1590         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1591         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1592         (vect_do_peeling_for_alignment): Use fold.
1593         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1594
1595         (vect_update_inits_of_dr): Renamed to
1596         vect_update_init_of_dr.
1597         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1598         (vectorizable_store): Fix assertion to use == instead of =.
1599
1600 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1601
1602         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1603         call_used_regs for wCG registers.
1604
1605 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1606
1607         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1608         for non-offsettable memory references to cope with outstanding reload
1609         replacements, take 2.
1610
1611 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1612
1613         PR target/18668
1614         * config/i386/i386.h (x86_fisttp): New.
1615         (TARGET_FISTTP): New macro.
1616         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1617         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1618         instruction when fisttp flag is set.
1619         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1620
1621         * config/i386/i386.md (type attribute): Add fisttp.
1622         (unit attribute): Set to i387 for fisttp type.
1623         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1624         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1625         TARGET_FISTTP.
1626         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1627         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1628         macros.
1629         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1630         patterns for TARGET_FISTTP.  Enable patterns for
1631         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1632         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1633         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1634         implement fisttp x87 insn.
1635         (fix_trunc*_i387_fisttp splitters): New patterns.
1636         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1637         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1638         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1639         clobber.
1640         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1641         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1642         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1643         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1644         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1645         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1646         Disable patterns for TARGET_FISTTP.
1647         (fix_trunc*_i387 splitters): Implement usign mode macros.
1648         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1649         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1650         (fix_trunx*_sse peephole2s): Implement using mode macros.
1651
1652 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1653
1654         PR rtl-optimization/20291
1655         * combine.c (try_combine): If splitting fails, re-try with
1656         original combined pattern, i.e. before clobber stripping.
1657
1658 2005-03-14  Eric Christopher  <echristo@redhat.com>
1659
1660         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1661         STACK_GROWS_DOWNWARD.
1662
1663 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1664
1665         * real.h (struct real_format): Split the signbit field into two
1666         two fields, signbit_ro and signbit_rw.
1667         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1668         mips_double_format, ieee_extended_motorola_format,
1669         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1670         ieee_extended_intel_128_format, ibm_extended_format,
1671         mips_extended_format, ieee_quad_format, mips_quad_format,
1672         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1673         i370_double_format, c4x_single_format, c4x_extended_format,
1674         real_internal_format): Update initializers for new field.
1675         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1676         real_format structure.
1677         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1678         field of the real_format structure.
1679
1680 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1681
1682         Fix PR tree-optimization/20458
1683
1684         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1685         DECL_EXTERNAL on STRUCT_FIELD tags.
1686         (clear_call_clobbered): Ditto.
1687         * tree-ssa-operands.c (note_addressable): Make sure the original
1688         variable doesn't slip into the addressable list if we have
1689         subvars.
1690         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1691         tags too.
1692
1693 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1694
1695         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1696         (-fwide-exec-charset): Likewise.
1697         (-finput-charset): Likewise.
1698         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1699         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1700         * c.opt (Wnormalized): New.
1701
1702 2005-03-14  Devang Patel  <dpatel@apple.com>
1703
1704         * doc/invoke.texi: Add reference to Visibility document.
1705
1706 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1707
1708         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1709         MASK_SPLIT_ADDRESSES.
1710         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1711         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1712         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1713         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1714         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1715         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1716         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1717         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1718         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1719         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1720         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1721         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1722         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1723         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1724         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1725         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1726         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1727         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1728         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1729         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1730         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1731         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1732         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1733         (TARGET_EXPLICIT_RELOCS): Delete.
1734         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1735         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1736         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1737         (override_options): Set MASK_LONG64 if -mint64 is given and no
1738         -mlongXX option is.  Complain about -mint64 -mlong32.
1739         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1740         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1741         * config/mips/mips.opt: New file.
1742
1743 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1744
1745         * config.gcc (extra_options): New variable for listing option files.
1746         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1747         * configure.ac (extra_opt_files): New AC_SUBST variable.
1748         (tm_file_list, tm_include_list): Include options.h first.
1749         * configure: Regenerate.
1750         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1751         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1752         (s-options-h): New rule.
1753         (options.h): Depend on it.
1754         (TEXI_GCCINT_FILES): Add options.texi.
1755         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1756         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1757         * target.h (gcc_target): Add default_target_flags and handle_option.
1758         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1759         (TARGET_HANDLE_OPTION): New macros.
1760         (TARGET_INITIALIZER): Include them.
1761         * opt-functions.awk (opt_args, nth_arg): New functions.
1762         (switch_flags): Handle the "Target" flag.
1763         (var_args): Delete.
1764         (var_name): Use opt_args and nth_arg.
1765         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1766         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1767         macros for the "Mask" and "InverseMask" options.
1768         * opts.h (cl_var_cond): New enum.
1769         (cl_option): Replace the "has_set_value" and "set_value" fields with
1770         "var_cond" and "var_value".
1771         (CL_TARGET): New macro.
1772         (option_enabled, print_filtered_help): Declare.
1773         (decode_options): Move definition.
1774         * opts.c (handle_option): Search for the original option before
1775         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1776         var_cond and var_value fields.  Use targetm.handle_option to handle
1777         target options.
1778         (decode_options): Set target_flags to targetm.default_target_flags.
1779         (print_filtered_help): Make global.  Handle CL_TARGET.
1780         (option_enabled): New function.
1781         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1782         (display_target_options, set_target_switch, print_switch_values)
1783         (default_pch_valid_p): Guard uses of target_switches with
1784         #ifdef TARGET_SWITCHES.  Also...
1785         (display_target_options): Display the CL_TARGET entries in cl_options.
1786         (set_target_option): Don't complain about the "" option when
1787         TARGET_SWITCHES is undefined.
1788         (print_switch_values): Use option_enabled.
1789         (default_pch_valid_p): Check cl_options[] when looking for something
1790         that has changed the value of target_flags.
1791         * c.opt: Remove documentation from top of file.
1792         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1793         * doc/sourecebuild.texi: Refer to the new options documentation
1794         instead of c.opt.  Document machine-specific .opt files.
1795         * doc/tm.texi (target_flags): Say that this variable is declared
1796         by options.h.
1797         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1798         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1799         an alternative.
1800         * doc/options.texi: New file.
1801
1802 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1803
1804         PR middle-end/18628
1805         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1806         register.
1807
1808 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1809
1810         PR c++/20280
1811         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1812         temporary variable of pointer type if an lvalues is required.
1813         (gimplify_modify_expr_rhs): Request an rvalue from it.
1814         (gimplify_expr): Pass fallback on.
1815
1816 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1817
1818         * cfgbuild.c: Update comments.
1819
1820 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1821
1822         PR rtl-optimization/17236
1823         * optabs.c (expand_doubleword_mult): New helper function split out
1824         from expand_binop.  Permute the order in which instructions are
1825         emitted to minimize the number of simultaneously live registers.
1826         (expand_binop): Call expand_doubleword_mult to synthesize a double
1827         word multiplication.
1828
1829 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1830
1831         * basic-block.h: Update the prototypes of cached_make_edge and
1832         rtl_make_eh_edge.
1833         * cfg.c (cached_make_edge): Take edge_cache representing one
1834         row of the adjacency matrix of edges.
1835         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1836         (make_edges): Initialize edge_cache to represent one row of
1837         the adjacency matrix of edges.
1838
1839 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1840
1841         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1842         New functions.
1843         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1844         Remove unused removed_phis variable.
1845         (conditional_replacement): Use build1/build2.
1846         (abs_replacement): Use last_and_only_stmt and build1/build2.
1847
1848 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1849
1850         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1851         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1852         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1853         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1854         * c-common.c (handle_novops_attribute): New function.
1855         (c_common_attribute_table): Add "no vops" entry.
1856         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1857         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1858         * tree-ssa-operands.c (get_call_expr_operands): Do not
1859         create virtual operands for calls with ECF_NOVOPS flag.
1860         * tree.h (DECL_IS_NOVOPS): New macro.
1861         (struct tree_decl): Add novops_flag.
1862         (ECF_NOVOPS): New constant.
1863
1864 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1865
1866         PR target/17688
1867         * config/i386/i386.c (x86_use_himode_fiop): New.
1868         (x86_use_simode_fiop): Rename from x86_use_fiop.
1869         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1870         (TARGET_USE_HIMODE_FIOP): New.
1871         (x86_use_simode_fiop): Rename from x86_use_fiop.
1872         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1873
1874         * config/i386/i386.md (X87MODEI12): New mode macro define.
1875         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1876         to implement x87 FP compare with HImode input operands.
1877         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1878         Use X87MODEI12 mode macro to handle HImode input operands.
1879         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1880         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1881         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1882         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1883         macro to implement x87 operators with HImode input operands.
1884         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1885         input operands.
1886
1887 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1888
1889         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1890         integer_zerop.
1891         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1892         constants invariant.
1893
1894 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1895
1896         * basic-block.h (BB_VISITED): Removed.
1897         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1898
1899 2005-03-14  Falk Hueffner  <falk@debian.org>
1900
1901         PR bootstrap/20424
1902         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1903
1904 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1905
1906         * ggc-zone.c: Fix comment typos.
1907
1908         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1909         stringpool.c, config/mips/mips-protos.h: Update copyright.
1910
1911 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1912
1913         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1914         throughout with its typedef, "rtx".
1915         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1916         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1917         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1918         regs in comment to match code.
1919
1920 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1921
1922         * except.c (check_handled): Make it static.
1923         * except.h: Remove the corresponding prototype.
1924
1925         * function.c (get_func_frame_size): Make it static.
1926         * function.h: Remove the corresponding type.
1927
1928         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1929         Make them static.
1930         * hard-reg-set.h: Remove the corresponding declarations.
1931
1932         * tree-cfg.c (verify_stmts): Check that
1933         bb_for_stmt (stmt) == bb for every PHI node and statement.
1934
1935 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1936
1937         * config.gcc: Remove excess indentation.
1938         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1939
1940 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1941
1942         PR middle-end/19331
1943         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1944         * fold-const.c (fold_sign_changed_comparison): Likewise.
1945         (fold_binary): Optimize comparisons against widened operands if
1946         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1947
1948 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1949
1950         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1951         (sparc_override_options): Initialize it.
1952         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1953
1954 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1955
1956         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1957         (reg_or_none500mem_operand): New predicate.
1958         (zero_reg_mem_operand): New predicate.
1959         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1960         to reg_or_none500mem_operand.
1961         (extendsfdf2_fpr): Add MEM alternative.
1962         (extenddftf2_internal): Change operand2 predicate to
1963         zero_reg_mem_operand.
1964
1965 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1966
1967         * ggc-zone.c: Rewritten.
1968
1969         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1970         if there are none.
1971         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1972         * config.in: Regenerated.
1973         * configure: Regenerated.
1974         * gengtype.c (write_types_process_field, write_func_for_structure):
1975         Pass new argument to gt_pch_note_object.
1976         * ggc-common.c (struct ptr_data): Add TYPE.
1977         (gt_pch_note_object): Take TYPE argument and save it.
1978         (call_count): Update call to ggc_pch_count_object.
1979         (call_alloc): Update call to ggc_pch_alloc_object.
1980         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1981         file.
1982         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1983         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1984         (ggc_alloc_zone_stat): Delete.
1985         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1986         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1987         (ggc_pch_alloc_object): Update prototypes.
1988         (garbage_zone): Delete.
1989         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1990         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1991         pointers.
1992         (tree_id_zone): New variable.
1993         (ggc_alloc_cleared_zone): Remove unused.
1994         (ggc_alloc_zone): Define.
1995         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1996         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1997         ggc_alloc_zone_stat.
1998         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1999         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
2000         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
2001         (make_node_stat): Likewise.  Use tree_id_zone.
2002
2003 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2004             Joseph S. Myers  <joseph@codesourcery.com>
2005
2006         * configure.ac: Check for MIPS TLS.
2007         * configure: Regenerated.
2008         * config/mips/mips-protos.h (enum mips_symbol_type): Add
2009         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
2010         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
2011         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
2012         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
2013         (mips_classify_symbol, mips_symbolic_constant_p)
2014         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
2015         (mips_tls_operand_p, mips_call_tls_get_addr)
2016         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
2017         (mips_tls_symbol_ref_1): New functions.
2018         (mips_legitimize_address, mips_legitimize_const_move): Call
2019         mips_legitimize_tls_address.
2020         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
2021         for MIPS16.
2022         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
2023         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
2024         (mips_char_to_class): Document V1_REG.
2025         (HAVE_AS_TLS): Provide default.
2026         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
2027         constants.
2028         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
2029         !TARGET_ABICALLS.
2030         (tls_get_tp_<mode>): New instruction.
2031
2032 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2033
2034         * configure.ac: Update checks for target tools.
2035         * configure: Regenerated.
2036
2037 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2038
2039         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
2040
2041 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2042
2043         * expmed.c (expand_mult): Use synthetic multiplication sequences for
2044         more classes of DImode multiplication by constant.  Allow both
2045         multiplication by small negative constants (by performing a
2046         multiplication by a positive constant and negating the result) and
2047         multiplications by large powers of two, by using a left shift.
2048
2049 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2050
2051         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
2052         of basic blocks into work_stack.
2053
2054         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
2055         config/mips/vr.h: Update copyright.
2056
2057         * c-decl.c (c_init_decl_processing): Remove useless calls to
2058         build_function_type.
2059
2060         * builtins.c (fold_trunc_transparent_mathfn,
2061         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
2062         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2063         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
2064         fold_builtin_strcpy, fold_builtin_strncpy,
2065         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
2066         TREE_TYPE (exp).
2067
2068         * builtins.c (expand_builtin_mathfn_3): Remove local variable
2069         before_call.
2070
2071         * lambda-code.c (lambda_compute_auxillary_space): Remove local
2072         variable determinant.
2073
2074         * tree-cfg.c (group_case_labels): Remove local variable type.
2075
2076         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
2077         variable ann.
2078
2079         * tree-ssa-phiopt.c (value_replacement): Remove local variable
2080         result.
2081
2082 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2083
2084         PR target/18251
2085         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
2086         (*movmemqi_insn): Delete.
2087         (*movmemhi): Delete.
2088
2089 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2090
2091         * builtins.c (fold_builtin_classify): Take decomposed
2092         arguments of CALL_EXPR.
2093         (fold_builtin_1): Update a call to fold_builtin_classify.
2094
2095 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
2096
2097         PR c/20402
2098         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
2099         through into call to parser_xref_tag after parse error.
2100         (c_parser_struct_declaration): Consistently return NULL_TREE on
2101         error.
2102
2103 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
2104
2105         * tree-flow-inline.h (ref_contains_array_ref): New function.
2106         (lookup_subvars_for_var): Ditto.
2107         (get_subvars_for_var): Ditto.
2108         (var_can_have_subvars): Ditto.
2109
2110         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
2111         (struct subvar): New type.
2112
2113         * tree-dfa.c (okay_component_ref_for_subvars): New function.
2114
2115         * tree-optimize.c (init_tree_optimization_passes): Call
2116         pass_create_structure_vars.
2117
2118         * tree-ssa-alias.c: Include vec.h.
2119         (init_alias_info): Don't auto-clear call clobbered on struct-field
2120         tags.
2121         (compute_flow_insensitive_aliasing): Handle subvars.
2122         (group_aliases): Handle STRUCT_FIELD aliases.
2123         (setup_pointers_and_addressables): Ditto.
2124         Don't mark variables non-addressable if they still have
2125         addressable subvars.
2126         Also mark subvars addressable when the real variable is marked
2127         addressable.
2128         (add_pointed_to_var): Try to prune the pointed-to set by only
2129         pointing to subvars when possible.
2130         Otherwise, make sure we set addresses_needed and pt_vars to
2131         properly include subvars.
2132         (bitpos_of_field): New function.
2133         (push_fields_onto_fieldstack): Ditto.
2134         (get_or_create_used_part_for): Ditto.
2135         (create_overlap_variables_for): Ditto.
2136         (find_used_portions): Ditto.
2137         (create_structure_vars): Ditto.
2138         (pass_create_structure_vars): New structure.
2139
2140         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
2141         (get_expr_operands): Handle subvars.  Also try to turn
2142         COMPONENT_REF accesses into must-defs now that we can accurately
2143         portray it.
2144         (note_addressable): Try to only mark as addressable those subvars
2145         we know a COMPONENT_REF touches.
2146         (overlap_subvar): New function.
2147
2148         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
2149         Handle subvar storing.
2150         (vect_address_analysis): Update caller of vect_object_analysis.
2151
2152         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
2153
2154         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
2155         (STMT_VINFO_SUBVARS): New macro.
2156
2157         * common.opts: add flag_tree_salias.
2158
2159         * opts.c (decode_options): flag_tree_salias defaults to on.
2160
2161         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
2162
2163         * doc/tree-ssa.texi: Document structural alias analysis.
2164
2165 2005-03-12  Steven Bosscher  <stevenb@suse.de>
2166
2167         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
2168         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
2169         * tree-ssa-operands.c (get_expr_operands): Likewise.
2170         (get_expr_operands): Likewise for ERROR_MARK.
2171
2172 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2173
2174         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
2175         var.
2176
2177         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
2178         removed_phis.
2179
2180         * tree-ssa-pre.c (compute_avail): Remove local variable val.
2181         (mark_operand_necessary): Remove local variable ver.
2182
2183         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
2184         variable prefix_len.
2185
2186         * value-prof.c (mod_subtract_transform): Remove local variable
2187         value.
2188
2189         * builtins.c (fold_builtin_exponent): Take decomposed
2190         arguments of CALL_EXPR.
2191         (fold_builtin_1): Update a call to fold_builtin_exponent.
2192
2193         * builtins.c (fold_builtin_logarithm): Take decomposed
2194         arguments of CALL_EXPR.
2195         (fold_builtin_1): Update a call to fold_builtin_logarithm.
2196
2197         * c-decl.c (c_init_decl_processing): Remove local variables
2198         ptr_ftype_void and ptr_ftype_ptr.
2199
2200         * gimplify.c (gimplify_expr): Remove local variables r0 and
2201         r1.
2202
2203         * reg-stack.c (move_for_stack_reg): Remove local variable
2204         push_insn.
2205         (compare_for_stack_reg): Remove local variable flags_user.
2206         (convert_regs_1): Remove local variable deleted.
2207
2208         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
2209         variable new_cond.
2210         (combine_blocks): Remove local variables exits and new_e.
2211
2212         * tree-inline.c (expand_call_inline): Remove local variable
2213         decl.
2214
2215         * tree-ssa-live.c (create_ssa_var_map,
2216         calculate_live_on_entry): Remove local variable snn.
2217
2218 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
2219
2220         * c-lex.c (c_lex_with_flags): Add parameter to call to
2221         cpp_spell_token.
2222
2223 2005-03-11  Per Bothner  <per@bothner.com>
2224
2225         * c-tree.h (struct c_declarator): New id_loc field.
2226         * c-pragma.h (c_lex_with_flags): Take position reference.
2227         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
2228         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
2229         (c_lex): Pass dummy location to c_lex_with_flags.
2230         * c-parser.c (c_lex_one_token): Set c_token's location using
2231         c_lex_with_flags, instead of input_location, which might be "ahead".
2232         (c_parser_direct_declarator): Set declarator's id_loc from
2233         c_token's id_loc.
2234         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
2235         declarator's id_loc, rather than probably-imprecise input_location.
2236         (build_id_declarator): Initialize c_declarator's id_loc field.
2237
2238 2005-03-11  Roger Sayle  <roger@eyesopen.com>
2239
2240         PR middle-end/20419
2241         * builtins.c (expand_builtin_signbit): Force the signbit's word
2242         into an integer register to avoid SUBREGs of floating point modes.
2243
2244 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2245
2246         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2247         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2248         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2249         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2250
2251 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
2252
2253         PR rtl-optimization/20306
2254         * expr.c (emit_move_complex): Set try_int false if mode is
2255         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
2256         emit_block_move if try_int is true.
2257
2258 2005-03-11  Richard Henderson  <rth@redhat.com>
2259
2260         PR target/20415
2261         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2262         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2263         to match.
2264
2265 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2266
2267         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2268         (TARGET_FIX_VR4130): New macro.
2269         (TARGET_OPTIONS): Add -mfix-vr4130.
2270         (ISA_HAS_MACCHI): New macro.
2271         (ASM_SPEC): Add -mfix-vr4130.
2272         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2273         (override_options): Handle mips_fix_vr4130_string.
2274         (mips_avoid_hazards): Clear all_noreorder_p
2275         if we're working around VR4130 errata and the macc alternatives
2276         are not available.
2277         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2278         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2279         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2280         (MULTILIB_DEFAULTS): Remove leading "march=".
2281         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
2282         if no architecture option is given.
2283         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2284         VR4130 multilibs.
2285         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2286         * doc/invoke.texi: Document -mfix-vr4130.
2287
2288 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2289
2290         * config/mips/mips.c (override_options): Only warn about -mint64
2291         deprecation if TARGET_INT64.
2292
2293 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2294
2295         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2296         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2297         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2298         are non-specific regarding the nonnull parameter positions.
2299         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2300         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2301         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2302         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2303
2304         * builtins.def: Use the non-specific "nonnull" attibute lists.
2305
2306 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2307
2308         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2309         single_pred_edge, single_succ, single_pred): Improve comments.
2310
2311 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2312
2313         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2314         single_pred_edge, single_succ, single_pred): New inline functions.
2315         * bb-reorder.c (rotate_loop, find_traces_1_round,
2316         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2317         duplicate_computed_gotos): Use the single_succ/pred functions.
2318         * cfganal.c (forwarder_block_p): Ditto.
2319         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2320         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2321         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2322         merge_seq_blocks): Ditto.
2323         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2324         * cfglayout.c (fixup_reorder_chain): Ditto.
2325         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2326         canonicalize_loop_headers, verify_loop_structure): Ditto.
2327         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2328         mfb_update_loops, create_preheader, force_single_succ_latches,
2329         create_loop_notes): Ditto.
2330         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2331         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2332         commit_one_edge_insertion, purge_dead_edges,
2333         cfg_layout_can_merge_blocks_p): Ditto.
2334         * except.c (sjlj_emit_function_enter): Ditto.
2335         * flow.c (init_propagate_block_info): Ditto.
2336         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2337         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2338         insert_insn_end_bb): Ditto.
2339         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2340         find_if_case_2): Ditto.
2341         * lambda-code.c (perfect_nestify): Ditto.
2342         * lcm.c (optimize_mode_switching): Ditto.
2343         * loop-doloop.c (doloop_modify): Ditto.
2344         * loop-init.c (loop_optimizer_init): Ditto.
2345         * loop-iv.c (simplify_using_initial_values): Ditto.
2346         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2347         * loop-unswitch.c (unswitch_loop): Ditto.
2348         * modulo-sched.c (generate_prolog_epilog): Ditto.
2349         * predict.c (combine_predictions_for_insn, estimate_probability,
2350         tree_estimate_probability, last_basic_block_p,
2351         estimate_bb_frequencies): Ditto.
2352         * profile.c (branch_prob): Ditto.
2353         * regrename.c (copyprop_hardreg_forward): Ditto.
2354         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2355         * tracer.c (layout_superblocks): Ditto.
2356         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2357         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2358         cleanup_control_expr_graph, disband_implicit_edges,
2359         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2360         tree_verify_flow_info, tree_make_forwarder_block,
2361         tree_forwarder_block_p, remove_forwarder_block,
2362         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2363         * tree-if-conv.c (tree_if_conversion): Ditto.
2364         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2365         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2366         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2367         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2368         copy_loop_headers): Ditto.
2369         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2370         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2371         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2372         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2373         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2374         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2375         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2376         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2377         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2378         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2379         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2380         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2381         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2382         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2383         slpeel_add_loop_guard): Ditto.
2384
2385 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2386
2387         PR tree-optimization/15784
2388         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2389         and -1 - A to ~A.
2390
2391         * stmt.c (expand_case): Don't change index_type.  Convert minval
2392         to the proper type.
2393
2394         PR tree-optimization/20130
2395         * fold-const.c (fold): Fold x * -1 into -x.
2396
2397 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2398
2399         PR rtl-optimization/20331
2400         * rtlanal.c (modified_between_p): Check its address first for MEM.
2401         (modified_in_p): Likewise.
2402
2403 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2404
2405         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2406
2407 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2408
2409         * expr.c (expand_expr_real_1): If possible, use a conditional
2410         move for expanding MIN_EXPR and MAX_EXPR.
2411         Use temp for moving around rtx-en.
2412
2413 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2414
2415         PR rtl-opt/20412
2416         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2417         correct mode.
2418
2419 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2420
2421         * builtins.c (expand_builtin_signbit): Extend to handle floating
2422         point modes wider than the largest integer type, using the
2423         operand_subword_force function to obtain the signbit's word.
2424
2425 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2426
2427         PR target/20322
2428         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2429         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2430
2431 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2432
2433         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2434
2435 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2436
2437         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2438         type void.
2439         (perform_edge_inserts): Unconditionally call
2440         free_dominator_info.
2441
2442         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2443
2444 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2445
2446         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2447
2448 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2449
2450         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2451
2452         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2453         gcc_unreachable.
2454         (rtl_register_value_prof_hooks,
2455         tree_value_profile_transformations,
2456         tree_register_value_prof_hooks): Likewise.
2457         * var-tracking.c (stack_adjust_offset_pre_post,
2458         variable_htab_free, variable_union, dataflow_set_different_2,
2459         count_uses, variable_was_changed, set_frame_base_location,
2460         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2461         vt_add_function_parameters): Likewise.
2462         * varasm.c (named_section_real, named_section, make_decl_rtl,
2463         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2464         const_hash_1, compare_constant, copy_constant, force_const_mem,
2465         output_constant_pool_2, output_constant_pool_1, output_constant,
2466         output_constructor, make_decl_one_only, decl_tls_model,
2467         default_no_named_section, default_elf_select_section_1,
2468         default_unique_section_1): Likewise.
2469         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2470         * vmsdbgout.c (addr_const_to_string): Likewise.
2471
2472         PR c++/20375
2473         * function.c (struct assign_parm_data_one): Remove last_named
2474         field.
2475         (assign_parm_find_data_types): Don't determine last_named.
2476         Reorder named_parm determination.
2477         (assign_parms): Only setup varargs on the last non-varadic
2478         parameter.
2479
2480 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2481
2482         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2483         sda base address on medium model.
2484
2485 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2486
2487         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2488         * cfgloop.c (flow_loop_nodes_find): Export.
2489         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2490         Declare.
2491         * cfgloopmanip.c (fix_loop_structure): New function.
2492         * predict.c (predict_loops): Clean up the loops information.
2493         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2494         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2495         loop structure.
2496         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2497         (rewrite_into_loop_closed_ssa): Declaration changed.
2498         * tree-loop-linear.c (linear_transform_loops): Add argument to
2499         rewrite_into_loop_closed_ssa call.
2500         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2501         * tree-ssa-loop-im.c (move_computations): Ditto.
2502         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2503         * tree-vectorizer.c (vectorize_loops): Ditto.
2504         * tree-optimize.c: Include cfgloop.h.
2505         (execute_todo): Choose whether to call cleanup_tree_cfg or
2506         cleanup_tree_cfg_loop.
2507         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2508         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2509         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2510         cleanup_tree_cfg_loop call.
2511         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2512         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2513         work on part of cfg.
2514
2515 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2516
2517         PR inline-asm/20314
2518         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2519         with multiple alternatives.
2520
2521         * stmt.c (parse_output_constraint): Fix a typo.
2522
2523 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2524
2525         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2526         assembly directive instead of deprecated "no-generics".
2527
2528 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2529
2530         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2531         for non-offsettable memory references to cope with outstanding reload
2532         replacements.
2533         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2534         avoid losing outstanding address reloads.
2535         ("reload_outdi", "reload_outdf"): Likewise.
2536
2537 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2538
2539         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2540         code.  Add more cbrt transformations.
2541
2542 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2543
2544         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2545
2546 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2547
2548         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2549         NULL_TREE when a given tree is not simplified.
2550         (fold): Return the original tree when any of the functions
2551         mentioned above NULL_TREE.
2552
2553         * fold-const.c (fold_unary, fold_binary): Take decomposed
2554         arguments, code, type, op0, and op1 in case of fold_binary.
2555         (fold): Update calls to fold_unary and fold_binary.
2556
2557 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2558
2559         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2560         a fndecl and an arglist instead of a CALL_EXPR, exp.
2561
2562 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2563
2564         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2565
2566         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2567
2568         * expr.c (expand_assignment): Remove orig_to_rtx.
2569
2570         * fold-const.c (int_const_binop): Remove no_overflow.
2571
2572         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2573
2574         * loop-iv.c (get_biv_step_1): Remove lhs.
2575
2576         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2577
2578         * real.c (real_nan): Remove neg.
2579
2580         * function.c (thread_prologue_and_epilogue_insns): Remove i
2581         and newinsn.
2582
2583         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2584         tb.
2585
2586         * tree-eh.c (tree_could_trap_p): Remove idx.
2587
2588         * tree-into-ssa.c (ann): Remove ann.
2589
2590         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2591
2592         * tree-sra.c (decide_block_copy): Remove inst_count.
2593
2594         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2595
2596         * tree-ssa-loop-im.c (lhs): Remove.
2597
2598         * cfgbuild.c (state, STATE, SET_STATE,
2599         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2600         make_edges.
2601         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2602         (find_basic_blocks): Set the state of each basic block to
2603         BLOCK_NEW.
2604
2605 2005-03-08  Jeff Law  <law@redhat.com>
2606
2607         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2608         goto results in the removal of edges in the CFG, then we need
2609         to recompute dominators.
2610
2611 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2612
2613         * c-common.c (c_do_switch_warnings): Comment fix.
2614
2615 2005-03-08  Julian Brown  <julian@codesourcery.com>
2616
2617         * Patch from 2005-03-08 reverted for causing regressions and
2618         ppc-darwin bootstrap failure.
2619
2620 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2621
2622         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2623         Define the real function for ppc-darwin.
2624         * c-typeck.c (convert_arguments): Check for target-specific
2625         invalid argument call to unprototyped function.
2626         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2627         New Macro.
2628         * target.h (invalid_arg_for_unprototyped_fn): New field
2629         in struct calls.
2630         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2631         default target hook.
2632         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2633         Declare.
2634
2635 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2636
2637         * c-typeck.c (constructor_stack, constructor_range_stack,
2638         initializer_stack): Make them static.
2639
2640         * cfg.c (rbi_pool): Make it static.
2641
2642         * gimple-low.c (lower_stmt_body): Make it static.
2643         * tree-flow.h: Remove the corresponding prototype.  Don't
2644         declare lower_data.
2645
2646         * sched-deps.c (cache_size): Make it static.
2647
2648         * stor-layout.c (lang_adjust_rli): Make it static.
2649
2650 2005-03-08  Julian Brown  <julian@codesourcery.com>
2651
2652         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2653         from being used for symbols with vague linkage when
2654         HAVE_GAS_COMDAT_GROUP is true.
2655
2656 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2657
2658         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2659         nlabel == JUMP_LABEL (jump).
2660
2661 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2662
2663         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2664         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2665         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2666         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2667
2668 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2669
2670         PR c/14411
2671         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2672         * c-common.c (handle_returns_twice): New function.
2673         (c_common_attribute_table): Declare eturns_twice' attribute.
2674         * doc/extend.texi: Document eturns_twice' attribute.
2675         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2676         (struct tree_decl): Add returns_twice_flag.
2677
2678 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2679
2680         * tree-ssa-phiopt.c: Fix a comment typo.
2681
2682         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2683         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2684         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2685         copyright.
2686
2687 2005-03-08  Richard Henderson  <rth@redhat.com>
2688
2689         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2690         builtin codes with ctzdi2, clzdi2, popcountdi2.
2691         (struct alpha_builtin_def): Add is_const.
2692         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2693         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2694         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2695         on builtins.
2696         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2697         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2698         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2699         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2700         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2701         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2702         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2703         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2704         (TARGET_FOLD_BUILTIN): New.
2705         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2706         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2707         (ffsdi2): Use ctz.
2708         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2709
2710 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2711
2712         PR tree-optimization/20122
2713         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2714         condition of access function instead of base.
2715
2716 2005-03-07  Jeff Law  <law@redhat.com>
2717             Steven Bosscher  <stevenb@suse.de>
2718
2719         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2720         (find_taken_edge): Call find_taken_edge_computed_goto as
2721         appropriate.  Allow any gimple invariant rather than just
2722         INTEGER_CST for VAL.
2723         (cleanup_control_flow): Cleanup a computed goto which has turned
2724         into a simple goto.
2725         (tree_merge_blocks): If block B has any forced labels, move
2726         them to the start of block A.
2727         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2728         computed gotos as well.
2729         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2730         removal of unnecessary computed gotos too.
2731         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2732         updated.
2733
2734 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2735
2736         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2737         Remove trailing spaces.
2738
2739         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2740         unshare_all_trees): Make them static.
2741         * tree-gimple.h: Remove the corresponding prototypes.
2742
2743         * diagnostic.h: Remove unused prototype
2744         debug_output_buffer.
2745         * modulo-sched.c: Remove unused prototype
2746         set_row_column_for_ps.
2747
2748         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2749         replace_phi_edge_with_variable): Remove unused variable i.
2750
2751 2005-03-07  Per Bothner  <per@bothner.com>
2752
2753         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2754
2755 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2756
2757         PR tree-opt/17671
2758         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2759         bbs on the COND_EXPR instead of the PHI_NODEs.
2760         (candidate_bb_for_phi_optimization): Remove.
2761         (replace_phi_with_stmt): Rename to ...
2762         (replace_phi_edge_with_variable): this and change so that we
2763         replace the phi argument instead of removing the PHI.
2764         (conditional_replacement): Change so we deal with PHI with more
2765         than two arguments.
2766         (value_replacement): Likewise.
2767         (abs_replacement): Likewise.
2768
2769 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2770
2771         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2772         output_e500_flip_gt_bit.
2773
2774         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2775         as bit 31.
2776         (rs6000_generate_compare): Fix logic to look at the correct bits.
2777         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2778         Look at GT bit.
2779         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2780         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2781         gen_move_from_CR_gt_bit.
2782
2783         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2784         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2785         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2786
2787         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2788         (E500_CR_IOR_COMPARE): New constant.
2789
2790 2005-03-08  Earl Chew <earl_chew@agilent.com>
2791             David Billinghurst <David.Billinghurst@riotinto.com>
2792
2793         * config/i386/host-cygwin.c: New file to support precompiled
2794         headers on cygwin
2795         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2796         * config.host: Use above files for cygwin host.
2797
2798 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2799
2800         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2801         ordering ops from earlier change.
2802
2803 2005-03-07  Per Bothner  <per@bothner.com>
2804
2805         Various fixes to allow us to again build if --enable-mapped-location:
2806         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2807         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2808         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2809         local variable loc. Change logic appropriately.
2810         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2811         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2812         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2813         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2814         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2815
2816 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2817
2818         PR rtl-optimization/19683
2819         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2820         number of bytes, to smallest_int_for_mode.  Fix arguments to
2821         REG_CANNOT_CHANGE_MODE_P.
2822
2823 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2824
2825         * reorg.c (relax_delay_slots): Check that the jump is
2826         conditional before trying to invert it.
2827
2828 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2829
2830         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2831         Make them static.
2832
2833         * calls (stack_arg_under_construction): Make it static.
2834
2835         * flow.c (regs_live_at_setjmp): Make it static.
2836         * flow.h: Remove the corresponding prototype.
2837
2838         * reload1.c (reload_startobj, reload_firstobj,
2839         something_needs_operands_changed, reload_inherited,
2840         reload_inheritance_insn, reload_override_in,
2841         reload_spill_index): Make them static.
2842
2843         * recog.c (verify_changes): Make it static.
2844         * recog.h: Remove the corresponding prototype.
2845
2846         * cfgbuild.c (find_sub_basic_blocks): Remove.
2847         * basic-block.h: Remove the corresponding prototype.
2848         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2849         in comments.
2850         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2851
2852         * tree-ssa-operands.c (check_build_stmt): Remove.
2853
2854         * stor-layout.c (set_alignment): Remove.
2855         * tree.h: Remove the corresponding prototype.
2856
2857         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2858
2859         * tree-ssa-dce.c (control_dependence_map,
2860         visited_control_parents): Make them static.
2861
2862         * cfghooks.c (verify_flow_info): Remove local variable
2863         num_bb_notes.
2864
2865         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2866         last_bb_seen.
2867
2868         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2869
2870 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2871
2872         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2873
2874 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2875
2876         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2877         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2878         PARALLEL for an empty structure.
2879
2880 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2881
2882         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2883
2884         * fold-const.c (fold_binary): Unroll the very first "for"
2885         loop.
2886
2887 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2888
2889         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2890         redundant match_code test.
2891         (scc_comparison_operator): Swap match_operand and match_code
2892         tests.
2893         (branch_positive_comparison_operator): Same.
2894         (trap_comparison_operator): Use comparison_operator and swap with
2895         match_code test.
2896
2897 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2898
2899         PR target/20288
2900         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2901         (out_movhi_r_mr): Read low byte of volatile MEM first.
2902         (out_movhi_mr_r): Write high byte of volatile MEM first.
2903
2904 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2905
2906         * cselib.c (reg_values, reg_values_size): Make them static.
2907
2908         * cse.c (cse_reg_info_table): Make it static.
2909
2910         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2911
2912 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2913
2914         * cse.c (find_best_addr): Use canon_for_address.
2915
2916 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2917
2918         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2919         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2920         SUBREG and MEM, respectively.
2921
2922         * fold-const.c (fold_binary): Use code instead of t.
2923
2924         * fold-const.c (optimize_minmax_comparison): Take decomposed
2925         arguments code, type, op0, and op1 instead of t.
2926         (fold_binary): Update a call to optimize_minmax_comparison.
2927
2928         * fold-const.c (fold_range_test): Take decomposed arguments
2929         code, type, op0, and op1 instead of t.
2930         (fold_binary): Update a call to fold_range_test.
2931
2932         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2933         decomposed arguments code, type, op0, and op1 instead of t.
2934         (fold_binary): Update a call to fold_range_test.
2935
2936 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2937
2938         * fold-const.c (fold_binary): Avoid directly using the original
2939         expression t as much as possible.
2940
2941 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2942
2943         * c-semantics.c (build_stmt): Use TYPE_P instead of
2944         IS_NON_TYPE_CODE_CLASS.
2945         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2946         (NON_TYPE_CHECK): Use TYPE_P instead of
2947         IS_NON_TYPE_CODE_CLASS.
2948
2949         * fold-const.c (fold): Remove handling of binary expressions.
2950
2951 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2952
2953         * doc/c-tree.texi: Wrap comments in @r{}.
2954         * doc/cpp.texi: Likewise.
2955         * doc/cppinternals.texi: Likewise.
2956         * doc/extend.texi: Likewise.
2957         * doc/md.texi: Likewise.
2958         * doc/objc.texi: Likewise.
2959         * doc/sourcebuild.texi: Likewise.
2960         * doc/tm.texi: Likewise.
2961         * doc/tree-ssa.texi
2962
2963 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2964
2965         * predict.c (apply_return_prediction): Standardize PHI chain
2966         walking.
2967         * tree-ssa.c (ssa_redirect_edge): Likewise.
2968
2969         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2970         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2971         Update copyright.
2972
2973         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2974         * tree-flow.h: Adjust the prototype for remove_phi_node.
2975         * lambda-code.c (perfect_nestify): Adjust a call to
2976         remove_phi_node.
2977         * tree-cfg.c
2978         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2979         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2980         Likewise.
2981         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2982         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2983         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2984         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2985
2986         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2987         of GEN_INT (trunc_int_for_mode (...)).
2988         * loop-iv.c (iv_number_of_iterations): Likewise.
2989         * postreload.c (reload_cse_move2add): Likewise.
2990         * simplify-rtx.c (simplify_const_unary_operation,
2991         simplify_const_binary_operation): Likewise.
2992         * stor-layout.c (get_mode_bounds): Likewise.
2993
2994         * fold-const.c (fold_binary): New.
2995         (fold): Call fold_binary on binary expressions.
2996
2997 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2998
2999         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
3000         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
3001         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
3002         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
3003         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
3004
3005 2005-03-04  Devang Patel  <dpatel@apple.com>
3006
3007         PR tree-optimization/18815
3008         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3009         loops with zero exit edges.
3010
3011 2005-03-04  Devang Patel  <dpatel@apple.com>
3012
3013         * doc/invoke.texi: Remove reference to webpage that does not exist.
3014
3015 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
3016             Joseph S. Myers  <joseph@codesourcery.com>
3017
3018         PR c++/19797
3019         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
3020         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
3021         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
3022         * pa.c (get_plabel): Change argument to symbol_ref.  Call
3023         maybe_get_identifier instead of get_identifier.
3024         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
3025         (struct deferred_plabel): Replace name field with symbol field.
3026         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
3027         ASM_OUTPUT_EXTERNAL_REAL is defined.
3028         (output_global_address): Use output_addr_const for output of all
3029         symbol_refs.
3030         (output_deferred_plabels): Use symbol_ref instead of name for address
3031         output.
3032         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
3033         ASM_OUTPUT_SYMBOL_REF): New macros.
3034         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
3035         comment.
3036         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
3037         label.
3038
3039 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
3040
3041         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
3042         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
3043
3044 2005-03-04  Jeff Law  <law@redhat.com>
3045
3046         * basic-block.h (rediscover_loops_after_threading): Declare.
3047         * tree-ssa-dom.c: Include cfgloop.h.
3048         (tree_ssa_dominator_optimize): Discover loops and some basic
3049         properties.  Remove forwarder blocks recreated by loop header
3050         canonicalization.  Also mark backedges in the CFG.
3051         * tree-ssa-threadupdate.c: Include cfgloop.h
3052         (rediscover_loops_after_threading): Define.
3053         (struct local_info): New field, JUMP_THREADED.
3054         (prune_undesirable_thread_requests): New function.
3055         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
3056         then record that fact for the callers of redirct_edges.
3057         (thread_block): If BB has incoming backedges, then call
3058         prune_undesirable_thraed_requests.    Note when we are
3059         going to have to rediscover loop information.  Return a
3060         boolean indicating if any jumps were threaded.
3061         (thread_through_all_blocks): Bubble up boolean indicating
3062         if any jumps were threaded.
3063         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
3064         (tree-ssa-threadupdate.o): Similarly.
3065
3066 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3067
3068         * fold-const.c (fold_ternary): Unroll the "for" loop to
3069         extract operands.
3070
3071 2005-03-04  Andrew Haley  <aph@redhat.com>
3072
3073         * unwind-dw2-fde-glibc.c (struct
3074         unw_eh_callback_data.check_cache): New field.
3075         (frame_hdr_cache): New.
3076         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
3077         Cache frame header info.
3078
3079 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
3080
3081         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
3082         (print_c_condition): Declare.
3083         * read-rtl.c (ptr_loc): New structure.
3084         (ptr_locs, ptr_loc_obstack, joined_conditions)
3085         (joined_conditions_obstack): New variables.
3086         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
3087         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
3088         (join_c_conditions, print_c_condition): New functions.
3089         (apply_macro_to_string): Associate the new string with the same
3090         source location as the old one.
3091         (add_condition_to_string): Use join_c_conditions.
3092         (read_string): Use set_rtx_ptr_loc to record a filename and line
3093         number for the string.
3094         (read_rtx): Initialize the new variables above.
3095         * genattrtab.c (write_test_expr, write_attr_value): Use
3096         print_c_condition.
3097         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
3098         comment above the GCC_VERSION check.
3099         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
3100         Inline the definition of MAYBE_EVAL.
3101         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
3102         * genoutput.c (process_template): Likewise.
3103         * genpreds.c (write_predicate_subfunction): Likewise.
3104         (write_predicate_expr): Use print_c_condition.
3105         * genrecog.c (write_cond): Likewise.
3106         * gensupport.c (process_rtx): Use join_c_conditions to join the
3107         conditions of a define_insn_and_split.  Record a source location
3108         for the string after the "&&".
3109         (alter_test_for_insn): Use join_c_conditions.
3110
3111 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
3112
3113         Revert for now:
3114         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3115         PR tree-optimization/15784
3116         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3117         and -1 - A to ~A.
3118
3119 2005-03-04  Ben Elliston  <bje@au.ibm.com>
3120
3121         * gcc.c (option_map): Add --coverage.
3122         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
3123         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
3124         * config/darwin.h: Pass -lgcov for `coverage'.
3125         * doc/invoke.texi (Debugging Options): Document --coverage.
3126
3127 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3128
3129         * gcse.c (bypass_block): Use find_edge wherever possible.
3130
3131 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
3132
3133         Fix PR debug/20253
3134
3135         * c-opts.c (c_common_parse_file): Call start_source_file
3136         and end_source_file at the approriate times.
3137
3138         * dwarf2out.c (dwarf2out_finish): Don't auto-end
3139         the main file, it will be done for us now.
3140
3141 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3142
3143         * fold-const.c (fold_ternary): New.
3144         (fold): Call fold_ternary on ternary expressions.  Remove
3145         handling of ternary expressions.
3146
3147 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3148
3149         PR tree-optimization/15784
3150         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3151         and -1 - A to ~A.
3152
3153 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
3154
3155         * config/rs6000/predicates.md (branch_comparison_operator):
3156         Convert from C block to conditional format.
3157
3158 2005-03-03  Jan Hubicka  <jh@suse.cz>
3159
3160         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
3161         and non-constant public variables.
3162
3163 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
3164
3165         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
3166         with LABEL_EXPR.
3167
3168         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
3169         EDGE_I.
3170
3171         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
3172         calls to release_ssa_name and release_phi_node.
3173
3174         * fold-const.c (fold): Remove handling of unary expressions.
3175
3176         * fold-const.c (fold_unary): Avoid directly using the original
3177         expression t as much as possible.
3178
3179 2005-03-03  Roger Sayle  <roger@eyesopen.com>
3180             Andrew Pinski  <pinskia@physics.uc.edu>
3181
3182         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
3183         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
3184
3185 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
3186
3187         Describe special registers SRP and MOF as allocatable registers.
3188         * config/cris/cris.c (cris_md_asm_clobbers): New function.
3189         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
3190         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
3191         TARGET_HAS_MUL_INSNS.
3192         (cris_print_operand) <case 'd'>: New case.
3193         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
3194         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
3195         define.
3196         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
3197         (REG_ALLOC_ORDER): Update for MOF.
3198         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
3199         SPECIAL_REGS.
3200         (GENERAL_REGS): No longer a define of ALL_REGS.
3201         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
3202         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3203         Adjust accordingly.
3204         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
3205         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
3206         (SECONDARY_RELOAD_CLASS): Define.
3207         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
3208         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
3209         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
3210         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
3211         (REGISTER_MOVE_COST): Define.
3212         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
3213         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
3214         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
3215         (CRIS_MOF_REGNUM): New define_constants.
3216         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
3217         special registers.
3218         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
3219         New patterns.
3220         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
3221         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
3222         Adjust for MOF being properly described as a register.
3223         (indir_to_reg_split): Name this split.  Conditionalize on the
3224         destination register being a general register.
3225         (movei): Conditionalize on on operands 0 and 1 having the same
3226         register class.
3227
3228 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
3229
3230         PR target/20277
3231         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
3232         -mcpu to override any other explicitly given flags.
3233
3234 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
3235
3236         * recog.c (verify_changes, confirm_change_group): New functions,
3237         broken out of apply_change_group.
3238         (apply_change_group): Use them.
3239         * recog.h (verify_change, confirm_change_group): Declare.
3240         * rtl.h (redirect_jump_2): Declare.
3241         * jump.c (redirect_exp, invert_exp): Delete.
3242         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
3243         (redirect_jump_2): New function, broken out of redirect_jump.
3244         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3245         (invert_jump): Use invert_jump_1 and redirect_jump_2.
3246         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3247
3248 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
3249
3250         * varasm.c (named_section): Use xstrdup rather than doing it by
3251         hand.
3252
3253         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3254
3255 2005-03-02  Devang Patel  <dpatel@apple.com>
3256
3257         Undo PR tree-optimization/18815 fix.
3258
3259 2005-03-02  Devang Patel  <dpatel@apple.com>
3260
3261         PR tree-optimization/18815
3262         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3263         loops with zero exit edges.
3264
3265 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3266
3267         * cfg.c (connect_src, connect_dest, disconnect_src,
3268         disconnct_dest): New.
3269         (unchecked_make_edge, remove_edge, redirect_edge_succ,
3270         redirect_edge_pred): Use the new functions.
3271
3272         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3273         free_dominance_info only when needed.
3274
3275 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
3276
3277         PR target/20276
3278         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3279         (reg_or_sub_cint64_operand): Same.
3280
3281 2005-03-02  Jeff Law  <law@redhat.com>
3282
3283         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3284         CFG_ALTERED in the main DOM iteration loop.
3285
3286 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
3287
3288         PR c++/19916
3289         * varasm.c (initializer_constant_valid_p): Allow conversions
3290         between OFFSET_TYPEs.  Tidy.
3291
3292 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3293
3294         * config/cris/cris.md ("return"): Remove epilogue delay list
3295         sanity check.
3296
3297 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3298
3299         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3300         for Thumb.
3301         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3302
3303 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3304
3305         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3306         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3307         config/m68k/m68k.c, config/mips/mips.h,
3308         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3309         doc/include/gcc-common.texi: Update copyright.
3310
3311         PR middle-end/18029 and PR middle-end/18030
3312         * expr.c (optimize_bitfield_assignment_op): Add a special case
3313         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3314
3315         * fold-const.c (fold_unary): New.
3316         (fold): Call fold_unary on unary expressions.
3317
3318 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3319
3320         * cgraph.h (struct cgraph_edge): Add prev_caller and
3321         prev_callee fields.
3322         (cgraph_node_remove_callees): Export.
3323         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3324         and prev_callee.
3325         (cgraph_edge_remove_callee): New function.
3326         (cgraph_edge_remove_caller): Likewise.
3327         (cgraph_remove_edge): Use.
3328         (cgraph_redirect_edge_callee): Likewise.
3329         (cgraph_node_remove_callees): New function.
3330         (cgraph_node_remove_callers): Likewise.
3331         (cgraph_remove_node): Use.
3332         * tree-optimize.c (tree_rest_of_compilation): Use
3333         cgraph_node_remove_callees instead of manual loop.
3334         * cgraphunit.c (cgraph_finalize_function): Likewise.
3335         (cgraph_expand_function): Likewise.
3336         (cgraph_remove_unreachable_nodes): Likewise.
3337
3338 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3339
3340         PR c/8927
3341         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3342         argument.
3343         * c-decl.c (undeclared_variable): Take location as argument.
3344         * c-typeck.c (build_external_ref): Likewise.
3345         * c-parser.c (c_parser_postfix_expression): Pass location of
3346         identifier to build_external_ref.
3347
3348 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3349
3350         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3351         CCEQ mode for branch_positive_comparison_operator test.
3352         * config/rs6000/predicates (branch_comparison_operator): Revert to
3353         define_predicate.
3354         (scc_comparison_operator): Same.
3355         (branch_positive_comparison_operator): Same.
3356
3357 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3358
3359         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3360         (cris_delay_slots_for_epilogue): Remove.
3361         (save_last): Move into cris_target_asm_function_epilogue.
3362         (cris_target_asm_function_epilogue): Remove tests for file being
3363         NULL.
3364         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3365         (cris_delay_slots_for_epilogue): Remove prototypes.
3366         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3367         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3368
3369 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3370
3371         * config/rs6000/predicates.md (branch_comparison_operator): Change
3372         to define_special_predicate.
3373         (scc_comparison_operator): Same.
3374         (branch_positive_comparison_operator): Same.
3375
3376 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3377
3378         * Makefile.in (tree-ssa-sink.o): New.
3379         (OBJS-common): Add tree-ssa-sink.o.
3380         * common.opt: Add -ftree-sink
3381         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3382         * timevar.def (TV_TREE_SINK): new timevar.
3383         * tree-flow.h (is_hidden_global_store): Prototype.
3384         * tree-optimize.c (init_tree_optimization_passes): Add
3385         pass_sink_code.
3386         * tree-pass.h (pass_sink_code): New.
3387         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3388         for non-obvious global store store to is_hidden_global_store, and
3389         call that new function.
3390         * tree-ssa-sink.c: New file.
3391         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3392         * doc/passes.texi: Document forward store motion.
3393         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3394         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3395         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3396         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3397
3398 2005-03-01  Per Bothner  <per@bothner.com>
3399
3400         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3401         and we have a non-zero column-number, add it to the message.
3402         Also factor out the diagnostic_kind_text.
3403
3404 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3405
3406         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3407         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3408         flow_loop_scan): Removed.
3409         (flow_loop_dump): Do not dump removed fields.
3410         (flow_loop_free): Do not free removed fields.
3411         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3412         (loop_exit_edge_p): New function.
3413         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3414         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3415         num_exits, exits_doms.
3416         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3417         LOOP_EDGES, LOOP_ALL): Removed.
3418         (flow_loop_scan): Declaration removed.
3419         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3420         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3421         flow_loops_find.
3422         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3423         (if_convert): Call flow_loops_find and flow_loops_free
3424         when calling mark_loop_exit_edges.
3425         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3426         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3427         free_dominance_info calls.
3428         * loop-init.c (flow_loops_find): Ditto.
3429         * passes.c (rest_of_handle_branch_prob): Ditto.
3430         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3431         * loop-unroll.c (analyze_insns_in_loop): Do not use
3432         EDGE_LOOP_EXIT.
3433         * predict.c (predict_loops): Do not call flow_loop_scan.
3434         Use get_loop_exit_edges.
3435         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3436         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3437         Do not use EDGE_LOOP_EXIT.
3438         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3439         to bb_with_exit_edge_p.
3440         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3441         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3442         to bb_with_exit_edge_p.
3443         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3444         EDGE_LOOP_EXIT.
3445         * tree-loop-linear.c (linear_transform_loops): Do not call
3446         flow_loop_scan.  Use loop->single_exit.
3447         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3448         (vect_analyze_loop_form): Do not call flow_loop_scan.
3449         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3450         loop->single_exit.
3451         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3452         loop->single_exit.
3453         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3454         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3455         slpeel_tree_duplicate_loop_to_edge_cfg,
3456         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3457         Use loop_preheader_edge and loop->single_exit.  Do not call
3458         flow_loop_scan.
3459
3460 2005-03-01  Nick Clifton  <nickc@redhat.com>
3461
3462         * config/arm/arm.c (thumb_find_work_register): Check all of the
3463         argument registers to see if they are free, and a couple of
3464         special cases where the last argument register but can be proved
3465         to be available during the function's prologue.
3466         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3467         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3468         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3469         register bit-mask.
3470         (thumb_compute_save_reg_mask): Likewise.  Also use
3471         thumb_find_work_register() to ensure that there is agreement about
3472         which work register is going to be used in the prologue.
3473         (thumb_output_function_prologue): Use unsigned long as the type
3474         for the register bit-mask.  Also delay pushing the link register if
3475         other high registers are going to be pushed.
3476         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3477         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3478         redundant prototypes.
3479
3480 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3481
3482         PR target/19819
3483         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3484         and after reload in REG+REG indexed addresses without REG_POINTER
3485         set in the base and not set in the index.
3486
3487 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3488
3489         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3490         Don't undefine here.
3491         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3492         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3493         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3494         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3495         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3496         Delete.
3497         * config.gcc (sh*-*-linux*): Use config/linux.h.
3498
3499 2005-02-28  Dale Johannesen  <dalej@apple.com>
3500             Stan Shebs  <shebs@apple.com>
3501
3502         Rewrite of 64-bit Darwin structure-by-value pass/return.
3503         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3504         intoffset, use_stack, named.
3505         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3506         (rs6000_darwin64_record_arg_advance_flush):  New.
3507         (rs6000_darwin64_record_arg_advance_recurse): New.
3508         (rs6000_darwin64_record_arg_flush):  New.
3509         (rs6000_darwin64_record_arg_recurse):  New.
3510         (rs6000_darwin64_record_arg):  New.
3511         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3512         (function_arg_boundary):  Handle 128-bit aligned structs.
3513         (function_arg_advance):  Rewrite darwin64 struct handling.
3514         (function_arg):  Call rs6000_darwin64_record_arg.
3515         (function_arg_partial_nregs):  Handle darwin64 structs.
3516         (rs6000_darwin64_function_value):  Remove.
3517         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3518
3519 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3520
3521         PR tree-optimization/20216
3522         * tree-chrec.c (tree_fold_factorial): Delete.
3523         (tree_fold_binomial): Change argument list to take a return type
3524         and change the type of K to unsigned int.  Rewrite to avoid explicit
3525         evaluation of factorials, and (recursively) calling fold to perform
3526         compile-time arithmetic.  Return NULL on (internal) overflow.
3527         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3528         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3529         if any intermediate calculation overflows.
3530         (chrec_apply): Update call to chrec_evaluate.
3531
3532 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3533
3534         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3535
3536 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3537
3538         PR c/20245
3539         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3540         instead of NULL_TREE on error.
3541
3542 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3543
3544         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3545         (EASY_VECTOR_15_ADD_SELF): Remove.
3546         (num_insns_constant_wide): Not static.
3547         (validate_condition_mode): Not static.
3548         (toc_relative_expr_p): Not static.
3549         (legitimate_indirect_address_p): Not static.
3550         (macho_lo_sum_memory_operand): Not static.
3551         (invalid_e500_subreg): Not static.
3552         (easy_vector_same): Not static.
3553         (easy_vector_splat_const): Not static.
3554         (RS6000_SYMBOL_REF_TLS_P): Remove.
3555         (any_operand): Delete.
3556         (any_parallel_operand): Delete.
3557         (count_register_operand): Delete.
3558         (altivec_register_operand): Delete.
3559         (xer_operand): Delete.
3560         (s8bit_cint_operand): Delete.
3561         (short_cint_operand): Delete.
3562         (u_short_cint_operand): Delete.
3563         (non_short_cint_operand): Delete.
3564         (exact_log2_cint_operand): Delete.
3565         (gpc_reg_operand): Delete.
3566         (cc_reg_operand): Delete.
3567         (cc_reg_not_cr0_operand): Delete.
3568         (reg_or_short_operand): Delete.
3569         (reg_or_neg_short_operand): Delete.
3570         (reg_or_aligned_short_operand): Delete.
3571         (reg_or_u_short_operand): Delete.
3572         (reg_or_cint_operand): Delete.
3573         (reg_or_arith_cint_operand): Delete.
3574         (reg_or_add_cint64_operand): Delete.
3575         (reg_or_sub_cint64_operand): Delete.
3576         (reg_or_logical_cint_operand): Delete.
3577         (got_operand): Delete.
3578         (got_no_const_operand): Delete.
3579         (easy_fp_constant): Delete.
3580         (easy_vector_constant): Delete.
3581         (easy_vector_constant_add_self): Delete.
3582         (zero_constant): Delete.
3583         (zero_fp_constant): Delete.
3584         (volatile_mem_operand): Delete.
3585         (offsettable_mem_operand): Delete.
3586         (mem_or_easy_const_operand): Delete.
3587         (add_operand): Delete.
3588         (non_add_cint_operand): Delete.
3589         (logical_operand): Delete.
3590         (non_logical_cint_operand): Delete.
3591         (mask_operand): Delete.
3592         (mask_operand_wrap): Delete.
3593         (mask64_operand): Delete.
3594         (mask64_2_operand): Delete.
3595         (and64_operand): Delete.
3596         (and64_2_operand): Delete.
3597         (and_operand): Delete.
3598         (reg_or_mem_operand): Delete.
3599         (lwa_operand): Delete.
3600         (symbol_ref_operand): Delete.
3601         (call_operand): Delete.
3602         (current_file_function_operand): Delete.
3603         (input_operand): Delete.
3604         (rs6000_nonimmediate_operand): Delete.
3605         (rs6000_tls_symbol_ref): Delete.
3606         (save_world_operation): Delete.
3607         (restore_world_operation): Delete.
3608         (load_multiple_operation): Delete.
3609         (store_multiple_operation): Delete.
3610         (vrsave_operation): Delete.
3611         (mfcr_operation): Delete.
3612         (mtcrf_operation): Delete.
3613         (lmw_operation): Delete.
3614         (stmw_operation): Delete.
3615         (branch_comparison_operator): Delete.
3616         (branch_positive_comparison_operator): Delete.
3617         (scc_comparison_operator): Delete.
3618         (trap_comparison_operator): Delete.
3619         (boolean_operator): Delete.
3620         (boolean_or_operator): Delete.
3621         (min_max_operator): Delete.
3622         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3623         (EASY_VECTOR_15): Moved to here.
3624         (EASY_VECTOR_15_ADD_SELF): Move to here.
3625         (PREDICATE_CODES): Delete.
3626         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3627         Declare functions no longer static.
3628         * config/rs6000/predicates.md: New.
3629         * config/rs6000/rs6000.md: Include predicates.md
3630
3631 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3632
3633         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3634         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3635         REG_ALWAYS_RETURN.
3636         * cfgrtl.c (need_fake_edge_p): Likewise.
3637         * combine.c (distribute_notes): Likewise.
3638         * emit-rtl.c (try_split): Likewise.
3639         * recog.c (peephole2_opimize): Likewise.
3640         * reg-notes.def (ALWAYS_RETURN): Remove.
3641         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3642         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3643         * tree.h (ECF_ALWAYS_RETURN): Remove.
3644
3645 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3646
3647         PR middle-end/19874
3648         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3649         between different machine modes is never a "useless" conversion.
3650
3651 2005-02-28  Geert Bosch  <bosch@gnat.com>
3652
3653         PR ada/15977
3654         * doc/contrib.texi: List contributors for Ada front end
3655
3656 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3657
3658         * simplify-rtx.c (simplify_unary_operation_1,
3659         simplify_const_unary_operation): New, extracted from...
3660         (simplify_unary_operation): ... this one.
3661         (simplify_binary_operation_1,
3662         simplify_const_binary_operation): New, extracted from...
3663         (simplify_binary_operation): ... this one.
3664         * rtl.h (simplify_const_unary_operation,
3665         simplify_const_binary_operation): Add prototypes.
3666
3667 2005-02-28  Julian Brown  <julian@codesourcery.com>
3668
3669         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3670         building libjava and caused PR regression/20228.
3671
3672 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3673
3674         PR bootstrap/17383
3675         * Makefile.in (host_subdir): New.
3676         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3677         * configure: Regenerate.
3678
3679 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3680
3681         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3682         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3683         installation directory first.
3684
3685 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3686
3687         PR target/19065.
3688         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3689         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3690         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3691         * config/cris/cris.md: Tweak comments referring to Q.
3692         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3693         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3694         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3695         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3696         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3697         Insert spaces in constraints to align alternatives vertically for
3698         readability.
3699         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3700         operand 1: "M".
3701
3702 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3703
3704         PR rtl-optimization/17728
3705         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3706         operand 0 from general_operand to move_dest_operand.
3707
3708 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3709
3710         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3711         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3712         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3713         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3714
3715 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3716
3717         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3718         * configure: Regenerate.
3719         * libada-mk.in: Remove CC; rename
3720         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3721
3722 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3723
3724         PR tree-opt/20188
3725         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3726         for the lhs, also walk over the tree.  Likewise for rhs.
3727
3728 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3729
3730         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3731         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3732         Do not propagate value of iv before increment over the increment.
3733
3734 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3735
3736         * c-parser.c: New file.
3737         * c-parse.in: Remove.
3738         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3739         Remove.
3740         (c-parser.o): Add dependencies.
3741         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3742         maintainer-clean, TAGS): Update.
3743         * c-config-lang.in (gtfiles): Update.
3744         * gengtype-lex.l: Don't handle "@@".
3745         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3746         objc_build_synchronized, objc_begin_try_stmt,
3747         objc_begin_catch_clause, objc_finish_catch_clause,
3748         objc_build_finally_clause, objc_finish_try_stmt): New.
3749         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3750         type_seen_p.
3751         (c_parse_init): Update comment.
3752         * c-decl.c (c_init_decl_processing): Update comment.
3753         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3754         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3755         new c_declspecs members.
3756
3757 2005-02-25  Julian Brown  <julian@codesourcery.com>
3758
3759         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3760         from being used for symbols with vague linkage when
3761         HAVE_GAS_COMDAT_GROUP is true.
3762
3763 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3764
3765         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3766
3767 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3768
3769         PR target/19930
3770         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3771         (LIBGCC2_HAS_DF_MODE): New.
3772         (LIBGCC2_HAS_XF_MODE): New.
3773         (LIBGCC2_HAS_TF_MODE): New.
3774         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3775         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3776         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3777         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3778         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3779         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3780         and add _fixtfdi, _fixunstfdi, _floatditf
3781         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3782         L_fixunstfdi, L_floatditf.
3783         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3784         (LIBGCC2_HAS_TF_MODE): Define.
3785
3786 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3787
3788         PR tree-optimization/20204
3789         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3790         REWRITE_THIS_STMT markers on PHI nodes.
3791         (rewrite_initialize_block): Likewise.
3792
3793 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3794
3795         * version.c (version_string): Update to 4.1.
3796
3797 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3798
3799         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3800         Clarify that the alternative way doesn't work in GNU C++.
3801
3802 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3803
3804         PR tree-optimization/19937
3805         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3806         to the type of the induction variable.
3807
3808 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3809
3810         PR rtl-optimization/20117
3811         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3812         the block including noncopyable insn.
3813
3814 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3815
3816         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3817         calls to find_reg_note.
3818
3819 2005-02-24  Richard Henderson  <rth@redhat.com>
3820
3821         PR tree-opt/20127
3822         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3823         the type.
3824
3825 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3826
3827         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3828         vector types if to use base reg for misaligned non-word ld/std.
3829
3830 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3831
3832         PR target/14619
3833         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3834         dwarf2 label manually and put it after, not before the prologue.
3835
3836 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3837
3838         PR target/19019
3839         * reload.c (operands_match_p): Only increment register number for
3840         SCALAR_INT_MODE_P modes in multiple hard registers.
3841
3842         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3843         Fix formatting.
3844
3845 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3846
3847         * ChangeLog.5: Fix log message typo(s).
3848         * ChangeLog.7: Likewise.
3849         * ChangeLog.tree-ssa: Likewise.
3850         * cfgexpand.c: Fix comment typo(s).
3851         * conflict.c: Likewise.
3852         * defaults.h: Likewise.
3853         * dwarf2out.c: Likewise.
3854         * gcse.c: Likewise.
3855         * ggc-page.c: Likewise.
3856         * tree-eh.c: Likewise.
3857         * tree-ssa-dom.c: Likewise.
3858
3859 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3860
3861         PR target/19019
3862         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3863         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3864         if SHARED is defined.
3865
3866         PR target/20196
3867         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3868         allow splitting only if operands 0 and 3 don't overlap.
3869
3870 2005-02-24  Richard Henderson  <rth@redhat.com>
3871
3872         PR middle-end/19953
3873         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3874         (fold_builtin_1): Call them.
3875         * fold-const.c (fold_complex_mult_parts): Split out from ...
3876         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3877         (fold_complex_div_parts, fold_complex_div): New.
3878         (fold): Use them.
3879         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3880
3881 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3882
3883         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3884         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3885
3886         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3887         (print_node): Likewise.
3888         Print TYPE_SIZES_GIMPLIFIED.
3889
3890 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3891
3892         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3893         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3894         operands as commutative in constraints.
3895
3896 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3897
3898         * tree-into-ssa.c: Re-organize internal functions.
3899
3900 2005-02-24  Richard Henderson  <rth@redhat.com>
3901
3902         PR middle-end/18902
3903         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3904         for c99.
3905         * common.opt (fcx-limited-range): New.
3906         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3907         * toplev.c (flag_complex_method): Initialize to 1.
3908         (process_options): Set flag_complex_method to 0 if
3909         flag_cx_limited_range.
3910         * doc/invoke.texi (-fcx-limited-range): New.
3911
3912 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3913
3914         * cse.c (delete_trivially_dead_insns): Speed up by using
3915         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3916         prev_real_insn.
3917
3918 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3919
3920         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3921         functions when -mid-shared-library is being used.
3922
3923 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3924
3925         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3926         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3927         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3928         * system.h: Poison LINK_LIBGCC_SPECIAL.
3929
3930 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3931
3932         * gengtype.c (note_insn_name): Make 1 element larger.
3933
3934 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3935
3936         PR target/20018
3937         PR rtl-optimization/20097
3938         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3939         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3940
3941 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3942
3943         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3944         * t-aix52 (SHLIB_INSTALL): Same.
3945
3946 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3947
3948         * genpreds.c: Update copyright.
3949
3950 2005-02-23  Michael Beach  <michaelb@ieee.org>
3951
3952         PR target/20159
3953         * config/sparc/t-elf (startup files): Assemble with CPP.
3954
3955 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3956
3957         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3958         (write_predicate_expr): Likewise.
3959
3960 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3961
3962         PR tree-optimization/20100
3963         PR tree-optimization/20115
3964         * tree-optimize.c (init_tree_optimization_passes): Remove
3965         pass_maybe_create_global_var.
3966         * tree-pass.h (pass_maybe_create_global_var): Remove.
3967         * tree-ssa-alias.c (aliases_computed_p): Declare.
3968         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3969         (count_calls_and_maybe_create_global_var): Remove.
3970         (pass_maybe_create_global_var): Remove.
3971         (init_alias_info): Do not declare aliases_computed_p.
3972         (maybe_create_global_var): If the function contains no
3973         call-clobbered variables and a mix of pure/const and regular
3974         function calls, create .GLOBAL_VAR.
3975         Mark all call-clobbered variables for renaming.
3976         (merge_pointed_to_info): Update comment.
3977         (add_pointed_to_var): Likewise.
3978         (is_escape_site): Likewise.
3979         Accept struct alias_info * instead of size_t *.
3980         Update all users.
3981         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3982         as necessary.
3983         * tree-ssa-operands.c (get_call_expr_operands): If
3984         ALIASES_COMPUTED_P is false, do not add call-clobbering
3985         operands.
3986         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3987         (delete_tree_ssa): Likewise.
3988
3989 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3990
3991         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3992         (do_compile): Do call it here.
3993
3994 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3995
3996         PR rtl-optimization/20017.
3997         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3998         rest_of_handle_cse2, rest_of_handle_gcse): Call
3999         delete_dead_jumptables immediately before calling cleanup_cfg.
4000
4001 2005-02-22  Devang Patel  <dpatel@apple.com>
4002
4003         PR 19952
4004         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
4005         all labels
4006
4007 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
4008
4009         * config/rs6000/aix.h (WINT_TYPE): Define.
4010
4011 2005-02-22  Stan Shebs  <shebs@apple.com>
4012
4013         * config/rs6000/rs6000.c (rs6000_override_options): Default to
4014         natural alignment for 64-bit Darwin.
4015         (rs6000_parse_alignment_option): Warn about uses of -malign-power
4016         on 64-bit Darwin.
4017         * doc/invoke.texi: Document this.
4018
4019 2005-02-22  DJ Delorie  <dj@redhat.com>
4020
4021         * c-common.c (c_common_type_for_mode): Pass the mode's precision
4022         to make_[un]signed_type, not the mode itself.
4023
4024 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4025
4026         * cfg.c (cached_make_edge): Call make_edge if edge cache is
4027         not available.  Use tail calls wherever possible.
4028         (make_edge): Call unchecked_make_edge to create an edge.
4029
4030         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
4031         (coalesce_ssa_name): Don't check for
4032         SSANORM_USE_COALESCE_LIST.
4033         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
4034
4035 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4036
4037         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
4038         (rewrite_into_ssa): ... here.
4039
4040 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
4041
4042         PR tree-optimization/19786
4043         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
4044         tag to another's may-alias bitmap when adding to the other's list.
4045
4046 2005-02-21  DJ Delorie  <dj@redhat.com>
4047
4048         * tree-ssa-loop-ivopts.c (computation_cost): Start register
4049         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
4050         registers in unsupported ways.
4051         * expmed.c (init_expmed): Likewise.
4052
4053 2005-02-21  Stan Cox  <scox@redhat.com>
4054
4055         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
4056
4057 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4058
4059         * tree-cfg.c (fold_cond_expr_cond): New.
4060         (make_edges): Call fold_cond_expr_cond.
4061         (find_taken_edge): Accept nothing but INTEGER_CST.
4062         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
4063         and 1.
4064         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
4065
4066         * flow.c (delete_dead_jumptables): Speed up by scanning insns
4067         that do not belong to any basic block.
4068
4069 2005-02-21  Jeff Law  <law@redhat.com>
4070
4071         * cfganal.c (find_unreachable_blocks): Manually CSE load of
4072         e->dest.
4073
4074 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4075
4076         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
4077         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
4078         Adjust their definitions.
4079         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
4080         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
4081
4082         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
4083         genautomata.c, langhooks.c, langhooks.h, system.h,
4084         config/arm/lib1funcs.asm: Update copyright.
4085
4086 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4087
4088         * dbxout.c (dbxout_function_end): Emit Lscope label always.
4089
4090 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
4091
4092         PR bootstrap/13770
4093         * doc/install.texi: Document --with-gc.
4094
4095 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
4096
4097         * simplify-rtx.c (simplify_unary_operation): Add a missing
4098         "break" statement.
4099
4100 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4101
4102         PR tree-optimization/18663
4103         * tree-ssa-dom.c (extract_range_from_cond): Return 0
4104         if the type has variable bounds.
4105
4106 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
4107
4108         * gcse.c: Remove an obsolete comment.
4109
4110         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
4111
4112 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
4113
4114         * doc/extend.texi (Function Attributes) <Attribute const>: The
4115         attribute "pure" is below this text, not above.
4116
4117 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4118
4119         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
4120         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
4121         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
4122
4123 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
4124
4125         PR 18785
4126         * langhooks.h (struct lang_hooks): Add to_target_charset.
4127         * langhooks.c (lhd_to_target_charset): New function.
4128         * langhooks-def.h: Declare lhd_to_target_charset.
4129         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
4130         (LANG_HOOKS_INITIALIZER): Update.
4131         * c-common.c (c_common_to_target_charset): New function.
4132         * c-common.h: Declare it.
4133         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
4134         c_common_to_target_charset.
4135
4136         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
4137         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
4138         Delete definitions.
4139         * system.h: Poison them.
4140         * doc/tm.texi: Don't discuss them.
4141         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
4142         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
4143         (pp_c_char): Do not attempt to generate letter escapes for
4144         newline, tab, etc.
4145         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
4146         * config/mips/mips.c (mips_output_ascii): Likewise.
4147
4148 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
4149
4150         PR tree-optimization/19951
4151         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
4152         is abnormal.
4153
4154 2005-02-19  Steven Bosscher  <stevenb@suse.de>
4155
4156         PR middle-end/19698
4157         * function.h (struct function): New field `max_loop_depth'.
4158         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
4159         (flow_loops_find): Reset the max loop depth count before finding loops.
4160         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
4161         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
4162         (calculate_global_regs_live): Make sure the loop will terminate
4163         when the initial sets are not empty.
4164
4165 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
4166
4167         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
4168         object inside.
4169         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
4170
4171 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
4172
4173         PR other/19525
4174         * doc/invoke.texi: Remove documentation of %M spec.
4175         * gcc.c: Likewise.
4176         (init_spec): Remove %M suffix from -lgcc_s.
4177         (do_spec_1): Remove 'M' case.
4178         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
4179         to put shared libraries in the multilib directory.  Remove the
4180         shlib_so_soname substitution variable.  Don't add a multilib encoding
4181         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
4182         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
4183         SHLIB_INSTALL as well as SHLIB_LINK.
4184         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
4185         (SHLIB_NAME): Delete.
4186         (SHLIB_DIR): New macro.
4187         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
4188         (SHLIB_INSTALL): Adjust accordingly.
4189         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
4190         * config/t-slibgcc-sld: Likewise.
4191         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
4192         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
4193         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
4194         in $(SHLIB_DIR).
4195         (SHLIBUNWIND_INSTALL): Adjust accordingly.
4196         * config/i386/t-nwld (SHLIB_SONAME): Delete.
4197         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
4198         Use @shlib_base_name@ instead of @shlib_so_name@.
4199         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
4200         and @shlib_base_name@.so in @multilib_dir@.
4201         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
4202         to the install path.
4203         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
4204         (SHLIB_LINK): Remove previous workaround.
4205         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
4206         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
4207         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
4208         the install path.
4209         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
4210         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
4211         (SHLIB_INSTALL): Adjust accordingly.
4212         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
4213         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
4214         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
4215         config/t-slibgcc-elf-ver.
4216
4217 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
4218             Jakub Jelinek  <jakub@redhat.com>
4219
4220         PR tree-optimization/19828
4221         * tree-ssa-loop-im.c: Add a TODO comment.
4222         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
4223         without side-effects.
4224
4225 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4226
4227         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
4228         call fold_convert.
4229
4230 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
4231
4232         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
4233         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
4234         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
4235         functions.
4236         (ia64_reorg): Delete fixup_errata call.
4237         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
4238         (TARGET_SWITCHES): Delete -mb-step entry.
4239
4240 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
4241
4242         PR c/20043
4243         * c-typeck.c (composite_type): Handle quals in transparent unions.
4244         (type_lists_compatible_p): Likewise.
4245
4246 2005-02-18  Stan Shebs  <shebs@apple.com>
4247
4248         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4249         expressions in the .literal8 section.
4250
4251 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
4252
4253         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4254
4255 2005-02-18  Roger Sayle  <roger@eyesopen.com>
4256
4257         * fold-const.c (constant_boolean_node): Always create values of the
4258         specified type, don't bother calling truthvalue_conversion.
4259
4260 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4261
4262         * except.c (output_function_exception_table): Call
4263         assemble_external_libcall (eh_personality_libfunc).
4264
4265 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4266
4267         PR target/19886
4268         * config/ia64/ia64.h (struct machine_function): Add state_num.
4269         * config/ia64/ia64.c (process_epilogue,
4270         process_for_unwind_directive): Use new unwind state numbers each
4271         time rather than state 1.
4272
4273 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
4274
4275         PR target/20054
4276         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4277         before the "*llgt_didi" pattern.
4278
4279 2005-02-18  Jason Merrill  <jason@redhat.com>
4280
4281         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4282
4283 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
4284
4285         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4286         (div0): Use it in place of ARM_FUNC_ALIAS.
4287         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4288
4289 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
4290
4291         PR middle-end/20030
4292         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4293         access, the lower bound of the array type if it exists.
4294
4295 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4296
4297         PR c++/20008
4298         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4299         cases that are out-of-range for the index type.
4300
4301 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4302
4303         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4304         (estimate_case_costs): Don't call convert.
4305         * expmed.c (expand_shift): Likewise.
4306         (make_tree): Call fold_convert instead of convert.
4307
4308 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4309
4310         PR c++/19813
4311         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4312         that ref to be marked MEM_READONLY_P doesn't have base that needs
4313         constructing.
4314
4315 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4316
4317         * genautomata.c (output_get_cpu_unit_code_func,
4318         output_cpu_unit_reservation_p): Don't generate old-style function
4319         definitions.
4320
4321 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4322
4323         PR c++/20023
4324         PR tree-optimization/20009
4325         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4326
4327         PR tree-optimization/18947
4328         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4329         inline, remove all nodes that are inlined into the extern inline
4330         being redefined.
4331
4332 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4333
4334         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4335         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4336         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4337         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4338         Update copyright.
4339
4340 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4341
4342         PR tree-optimization/19917
4343         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4344         to be potentially trapping.
4345
4346 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4347
4348         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4349
4350 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4351
4352         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4353         tem becomes a local variable which is set to the value of the
4354         back end defined INITIAL_FRAME_ADDRESS macro.
4355         (expand_builtin_frame_address): Omit the base parameter to
4356         expand_builtin_return_addr.
4357         (expand_builtin_profile_func): Likewise.
4358         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4359         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4360         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4361
4362 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4363
4364         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4365         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4366         * config/frv/frv.c (frv_function_epilogue): Likewise.
4367
4368 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4369
4370         * lambda-code (perfect_nestify): Remove mark/unmark
4371         for rewriting hack.
4372         * tree-loop-linear.c (linear_transform_loops): Add
4373         rewrite_into_ssa call so that ssa is correct for
4374         rewriting into loop closed.
4375
4376 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4377
4378         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4379         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4380         BITMAP_FREE.
4381         * bt-load.c (btr_def_live_range, combine_btr_defs,
4382         migrate_btr_def, migrate_btr_defs): Likewise.
4383         * cfgcleanup.c (thread_jump): Likewise.
4384         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4385         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4386         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4387         df_rd_local_compute, df_reg_info_compute): Likewise.
4388         * dominance.c (init_dom_info, free_dom_info): Likewise.
4389         * flow.c (init_propagate_block_info,
4390         free_propagate_block_info): Likewise.
4391         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4392         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4393         modify_reg_pav): Likewise.
4394         * loop-invariant.c (find_defs, find_invariant_insn,
4395         find_invariants, free_inv_motion_data): Likewise.
4396         * predict.c (tree_predict_by_opcode,
4397         estimate_bb_frequencies): Likewise.
4398         * stmt.c (expand_case): Likewise.
4399         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4400         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4401         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4402         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4403         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4404         rewrite_ssa_into_ssa): Likewise.
4405         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4406         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4407         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4408         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4409         * tree-sra.c (tree_sra): Likewise.
4410         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4411         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4412         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4413         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4414         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4415         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4416         Likewise.
4417         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4418         calculate_live_on_entry, calculate_live_on_exit,
4419         build_tree_conflict_graph): Likewise.
4420         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4421         record_important_candidates, set_use_iv_cost, find_depends,
4422         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4423         tree_ssa_iv_optimize_finalize): Likewise.
4424         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4425         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4426         tree_duplicate_loop_to_header_edge): Likewise.
4427         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4428         * tree-ssa.c (verify_flow_insensitive_alias_info,
4429         verify_name_tags, verify_ssa, init_tree_ssa,
4430         delete_tree_ssa): Likewise.
4431         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4432         fini_ssanames): Likewise.
4433         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4434
4435 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4436
4437         * config/rs6000/t-rtems: Completely reworked.
4438
4439 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4440
4441         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4442
4443 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4444
4445         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4446         POINTER_TYPE_P when checking that type is a pointer.
4447         (vect_get_memtag): Remove.
4448         (vect_address_analysis): Use POINTER_TYPE_P. Call
4449         vect_object_analysis with dummy parameter for memtag.
4450         (vect_object_analysis): Extract memtag (functionality that
4451         used to be in vect_get_memtag and moved here). Fix printings.
4452         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4453         with correct parameters. Remove call to vect_get_memtag.
4454
4455 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4456
4457         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4458         (tree-vectorizer.o): Added missing dependencies.
4459
4460         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4461         decleration.
4462         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4463         declaration in tree-vectorizer.c, now has an extern declaration in
4464         tree-vectorizer.h).
4465         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4466         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4467         get_vectype_for_scalar_type, vect_is_simple_use,
4468         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4469         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4470         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4471         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4472         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4473         find_loop_location): Likewise.
4474
4475         * tree-vectorizer.c (langhooks.h): #include removed.
4476         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4477         moved to tree-vectorized.h.
4478         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4479         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4480         get_vectype_for_scalar_type, vect_is_simple_use,
4481         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4482         vect_supportable_dr_alignment, new_loop_vec_info,
4483         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4484         vect_set_verbosity_level, find_loop_location): Likewise.
4485
4486         (vect_analyze_loop): Function externalized. Declaration moved to
4487         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4488         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4489         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4490         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4491         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4492         vect_enhance_data_refs_alignment, vect_analyze_operations,
4493         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4494         vect_stmt_relevant_p, vect_get_loop_niters,
4495         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4496         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4497         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4498         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4499         vect_get_memtag): Likewise.
4500
4501         (vectorizable_load): Function externalized. Declaration moved to
4502         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4503         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4504         vect_transform_loop): Likewise.
4505         (vect_transform_stmt): Moved to tree-vect-transform.c.
4506         (vect_align_data_ref, vect_create_destination_var,
4507         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4508         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4509         vect_get_vec_def_for_operand, vect_init_vector,
4510         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4511         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4512         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4513         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4514         vect_do_peeling_for_loop_bound): Likewise.
4515
4516         * tree-vect-analyze.c: New file.
4517         * tree-vect-transform.c: New file.
4518
4519 2005-02-17  Jason Merrill  <jason@redhat.com>
4520
4521         PR mudflap/19319, c++/19317
4522         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4523         slot explicit.
4524
4525 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4526
4527         * doc/install.texi (Specific): Update link for Darwin-specific
4528         tool binary site.
4529
4530 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4531
4532         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4533         constant_boolean_node.
4534
4535 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4536
4537         PR target/19019
4538         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4539         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4540
4541 2005-02-16  Richard Henderson  <rth@redhat.com>
4542
4543         PR 19920
4544         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4545         with W_TYPE_SIZE.
4546         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4547         replace uses with Wtype_MAXp1_F.
4548         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4549         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4550         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4551         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4552         and HAVE_TFMODE as appropriate.
4553         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4554         (__floatdisf): Likewise.
4555         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4556         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4557         (Wtype_MAXp1_F): New.
4558         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4559         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4560
4561 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4562
4563         * PR target/19162
4564         * arm.c (arm_apply_result_size): New function.
4565         * arm.h (APPLY_RESULT_SIZE): Define.
4566         * arm-protos.h (arm_apply_result_size): Add prototype.
4567         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4568         (movxf): New expand.
4569         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4570         (call_value_symbol): Remove predicate for operand 0.
4571         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4572         (untyped_call): Rework to correclty return values for any type.
4573         (untyped_return): New expand.
4574         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4575
4576 2005-02-16  Stan Shebs  <shebs@apple.com>
4577
4578         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4579         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4580
4581 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4582
4583         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4584         configure settings on Solaris 7 and later.
4585
4586 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4587
4588         PR tree-optimization/19865
4589         * tree-optimize.c (init_tree_optimization_passes): Run
4590         pass_may_alias after pass_sra.
4591
4592 2005-02-16  Richard Henderson  <rth@redhat.com>
4593             Stuart Hastings  <stuart@apple.com>
4594
4595         PR debug/19521
4596         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4597         Do nothing if debug info suppressed for this function.
4598         (dbxout_begin_function): Early exit if debug info suppressed for
4599         this function.
4600
4601 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4602
4603         PR target/20007
4604         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4605         find_basic_blocks.
4606         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4607
4608         PR tree-optimization/19967
4609         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4610         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4611         argument TYPE.  Adjust calls to fold_builtin_XXX.
4612         (expand_builtin, fold_builtin_1): Adjust calls to
4613         expand_builtin_XXX.
4614         (fold_builtin_strchr, fold_builtin_strpbrk,
4615         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4616         result to a requested type TYPE.
4617
4618 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4619
4620         PR middle-end/19857
4621         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4622         (T)x & (T)cst if (T)cst overflows.
4623         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4624         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4625
4626 2005-02-15  Jeff Law  <law@redhat.com>
4627
4628         * gcse.c (blocks_with_calls): New bitmap.
4629         (alloc_gcse_mem): Allocate it.
4630         (free_gcse_mem): Free it.
4631         (clear_modifY_mem_tables): Clear it.
4632         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4633         when we encounter CALL_INSNs.
4634         (compute_transp, case MEM): Handle blocks with calls separate
4635         from blocks without calls.  Use bitmap iterators rather than
4636         FOR_EACH_BB.
4637
4638 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4639
4640         PR bootstrap/18810
4641         * mklibgcc.in (vis_hide): Use a temporary object file, not
4642         -o /dev/null.
4643
4644 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4645
4646         PR target/19924
4647         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4648         access optimization.
4649
4650 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4651             Alan Modra  <amodra@bigpond.net.au>
4652
4653         PR target/19019
4654         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4655         (_xlqsub): Rename to __gcc_qsub.
4656         (_xlqmul): Rename to __gcc_qmul.
4657         (_xlqdiv): Rename to __gcc_qdiv.
4658         Provide versioned symbol aliases with old names.
4659         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4660         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4661         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4662         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4663         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4664
4665 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4666
4667         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4668         Fold ~(A - 1) and ~(A + -1) to -A.
4669
4670 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4671
4672         PR pch/14940
4673         PR target/19300
4674         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4675         config/pa/pa-host.c:pa_gt_pch_use_address.
4676
4677 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4678
4679         * tree-vn.c (get_value_handle): Make sure that given an
4680         is_gimple_min_invariant expression, we always return it.
4681
4682 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4683
4684         * passes.c (rest_of_handle_gcse): Fix a comment.
4685
4686 2005-02-15  Jeff Law  <law@redhat.com>
4687
4688         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4689         bitmap.
4690         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4691         (canon_list_insert, record_last_mem_set_info): Similarly.
4692         (clear_modify_mem_tables): Similarly.
4693
4694 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4695
4696         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4697         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4698         config/mips/mips.md, config/rs6000/aix.h,
4699         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4700
4701 2005-02-15  Richard Henderson  <rth@redhat.com>
4702
4703         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4704         call to be best_edge.
4705
4706 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4707
4708         * basic-block.h: Adjust the prototype for find_basic_blocks.
4709         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4710         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4711         find_basic_blocks.
4712
4713         * flow.c (recompute_reg_usage): Remove all arguments.
4714         * passes.c (rest_of_compilation): Adjust the call to
4715         recompute_reg_usage.
4716         * rtl.h: Adjust the prototype for recompute_reg_usage.
4717
4718 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4719
4720         * tree-dump.c (dump_files): Update to reflect new member
4721         of dump_file_info.
4722         (dump_register): Add new argument.
4723         Set glob name.
4724         (dump_switch_p_1): Check against glob name if doglob was passed.
4725         (dump_switch_p): Check against regular first, then glob if
4726         we didn't have any hits on the dump name.
4727         * tree-optimize.c (register_one_dump_file):
4728         Pass in glob name as well.
4729         * tree-pass.h (struct dump_file_info): Add glob
4730         member.
4731
4732 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4733
4734         PR preprocessor/16323
4735         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4736
4737 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4738
4739         PR target/19019
4740         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4741         (trunctfdf2_internal1): New.
4742         (trunctfdf2_internal2): Renamed from trunctfdf2.
4743
4744 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4745
4746         PR tree-optimization/19853
4747         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4748
4749 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4750
4751         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4752         delete_dead_jumptables and cleanup_cfg.
4753
4754 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4755
4756         * reload.c (find_reloads): Swap address_reloaded flags when
4757         swapping commutative operands.
4758
4759 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4760
4761         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4762         Use standard_iv_increment_position for computing the bsi position
4763         for create_iv.
4764         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4765         the bsi position.
4766
4767 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4768
4769         PR target/17428
4770         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4771         life range of hard registers.
4772         * value-prof.c (insn_prefetch_values_to_profile): Only
4773         scan normal insns.
4774
4775         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4776         profile in libcalls.
4777
4778 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4779
4780         * bitmap.h (bitmap_and_compl_into): Return bool.
4781         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4782
4783 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4784
4785         PR tree-optimization/19944
4786         * fold-const.c (fold): Re-add ABS_EXPR folding.
4787
4788 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4789
4790         PR target/19019
4791         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4792         {TARGET,MASK}_XL_COMPAT.
4793         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4794         MASK_XL_COMPAT.
4795         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4796         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4797         TARGET_XL_COMPAT.
4798         (rs6000_arg_partial_bytes): Same.
4799         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4800         and XL compatibility enabled.
4801         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4802         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4803         test to final condition.
4804         (cmptf_internal2): New.
4805         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4806         xl-compat.  Add TFmode information to description.
4807
4808 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4809
4810         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4811
4812 2005-02-13  Jason Merrill  <jason@redhat.com>
4813
4814         PR c++/16405
4815         * fold-const.c (fold_indirect_ref_1): Split out from...
4816         (build_fold_indirect_ref): Here.
4817         (fold_indirect_ref): New fn.
4818         * tree.h: Declare it.
4819         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4820         (gimplify_modify_expr_rhs): Likewise.
4821         (gimplify_expr): Likewise.
4822
4823 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4824
4825         PR tree-optimization/14303
4826         PR tree-optimization/15784
4827         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4828         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4829         ABS_EXPR<x> != 0 to x != 0.
4830
4831 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4832
4833         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4834         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4835         spelling conventions.
4836
4837         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4838         delete_trivially_dead_insns too many times.
4839
4840         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4841         tem and tem2.
4842
4843 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4844
4845         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4846         (vect_is_simple_iv_evolution): Remove redundant parameter
4847         and step check.
4848         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4849         without last parameter.
4850         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4851         Return pointer step. Call vect_is_simple_iv_evolution without
4852         last parameter. Check only that the step is multiple of size
4853         type. Remove stmt_vinfo updates.
4854         (vect_get_memtag_and_dr): Remove.
4855         (vect_get_memtag): New function.
4856         (vect_address_analysis): New function.
4857         (vect_object_analysis): New function.
4858         (vect_analyze_data_refs): Call vect_object_analysis and
4859         vect_get_memtag. Update stmt_vinfo fields.
4860
4861 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4862
4863         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4864         exist and are objects. Remove checks for pointer.
4865         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4866         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4867         (vect_create_data_ref_ptr): Likewise.
4868         (vect_base_addr_differ_p): New function.
4869         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4870         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4871         Don't set the DR_BASE_NAME field of data-ref.
4872         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4873
4874 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4875
4876         * optabs.h (enum optab_index): Add new OTI_ldexp.
4877         (ldexp_optab): Define corresponding macro.
4878         * optabs.c (init_optabs): Initialize ldexp_optab.
4879         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4880         patterns.
4881         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4882         using ldexp_optab.
4883         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4884         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4885
4886         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4887         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4888         intrinsics.
4889
4890 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4891
4892         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4893         to base_address.
4894         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4895         stmt_vec_info.
4896         (vect_get_base_and_offset): Always return an address.
4897         (vect_create_addr_base_for_vector_ref): Remove treatment for
4898         different data reference types.
4899         (vect_compute_data_ref_alignment): Rename base to base_address in
4900         stmt_vec_info. Get the object in order to force its alignment.
4901         (vect_get_memtag_and_dr): Rename base to base_address in
4902         stmt_vec_info. Extract the object for memtag analysis.
4903
4904 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4905
4906         PR regression/19898.
4907         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4908         changes cc_status, use apply modified_in_p to part of cc_status
4909         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4910         body.
4911
4912 2005-02-11  Richard Henderson  <rth@redhat.com>
4913
4914         * tree-complex.c (expand_complex_libcall): New.
4915         (expand_complex_multiplication): Use it for c99 compliance.
4916         (expand_complex_division): Likewise.
4917         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4918         (fold): Call them.
4919         * builtins.c (built_in_names): Remove const.
4920         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4921         builtins.
4922         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4923         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4924         (built_in_names): Remove const.
4925         * c-common.c (c_common_type_for_mode): Handle complex modes.
4926         * flags.h, toplev.c (flag_complex_method): Rename from
4927         flag_complex_divide_method.
4928         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4929         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4930         * libgcc2.h: Declare them.
4931         * libgcc-std.ver: Export them.
4932         * mklibgcc.in (lib2funcs): Build them.
4933
4934 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4935
4936         PR tree-optimization/19876
4937         Partially revert my change from 2005-01-14
4938         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4939         (compute_antic): ...and remove the loop here.
4940
4941 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4942
4943         PR middle-end/19858
4944         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4945         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4946
4947         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4948         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4949
4950 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4951
4952         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4953         offsets for the big-endian 32-bit case.
4954
4955 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4956
4957         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4958
4959 2005-02-11  Dale Johannesen  <dalej@apple.com>
4960
4961         * cselib.c (cselib_process_insn):  Clear out regs where
4962         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4963         * reload.c (find_equiv_reg): Ditto.
4964
4965 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4966
4967         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4968         with no elements.
4969
4970         * tree.c (build_function_type_list): Work correctly if there are
4971         no arguments.
4972
4973 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4974
4975         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4976         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4977         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4978         TARGET_ZARCH instead of TARGET_64BIT.
4979
4980 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4981
4982         * config/rs6000/t-rtems:
4983         (MULTILIB_OPTIONS): Remove mcpu=602.
4984         (MUTLILIB_DIRNAMES): Remove m602.
4985         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4986         Let mcpu=602 match mcpu=603.
4987         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4988
4989 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4990
4991         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4992         signal trampolines.
4993
4994 2005-02-10  David Daney  <ddaney@avtrex.com>
4995
4996         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4997         * config/i386/linux-unwind.h: Likewise.
4998         * config/ia64/linux-unwind.h: Likewise.
4999         * config/mips/linux-unwind.h: Likewise.
5000         * config/pa/linux-unwind.h: Likewise.
5001         * config/rs6000/linux-unwind.h: Likewise.
5002         * config/s390/linux-unwind.h: Likewise.
5003         * config/sh/linux-unwind.h: Likewise.
5004         * config/sparc/linux-unwind.h: Likewise.
5005
5006 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5007
5008         PR tree-optimization/17549
5009         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
5010         TER to replace a DEF with its expression if the DEF and the
5011         rhs of the expression we replace into have the same root
5012         variable.
5013
5014 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
5015
5016         * config/mips/mips.md: Fix the placement of the match_scratch in the
5017         lea64 peephole2.
5018
5019 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5020
5021         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
5022         Fix comment typos.
5023
5024 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
5025
5026         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
5027         (strip_offset): Handle addresses.
5028         (add_address_candidates): Use strip_offset.
5029         (difference_cost): Reflect strip_offset change.
5030         (force_var_cost, difference_cost): Strip nops.
5031
5032 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5033
5034         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
5035
5036         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
5037         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
5038         config/cris/cris-protos.h, config/cris/cris.c: Update
5039         copyright.
5040
5041 2005-02-10  Jeff Law  <law@redhat.com>
5042
5043         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
5044         (lookup_avail_expr): Similarly.
5045
5046 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
5047
5048         * builtins.c (fold_builtin_powi): New function.
5049         (fold_builtin_1): Call it.
5050
5051 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5052
5053         PR documentation/19309
5054         * doc/cpp.texi: The __GNUC__ and related predefined macros
5055         are also defined for the "standalone" cpp.
5056         Some non-GCC compilers may also define __GNUC__.
5057
5058 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
5059
5060         PR c/19342
5061         * c-typeck.c (common_type): New routine.  Old common_type renamed
5062         to...
5063         (c_common_type): ...this.
5064         (build_conditional_expr, build_binary_op): Use c_common_type instead
5065         of common_type.
5066
5067 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5068
5069         * doc/md.texi: Replace @samp{length} with @code{length}.
5070
5071 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5072
5073         PR tree-optimization/18687
5074         * tree-flow.h (find_loop_niter): Declare.
5075         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
5076         Try using scev even for loops with more than one exit.
5077         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
5078         (struct ivopts_data): Added niters field.
5079         (struct nfe_cache_elt): New.
5080         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
5081         functions.
5082         (tree_ssa_iv_optimize_init): Initialize niters cache.
5083         (determine_number_of_iterations): Removed.
5084         (find_induction_variables): Do not call determine_number_of_iterations.
5085         Access niters for single exit through niter_for_single_dom_exit.
5086         (add_iv_outer_candidates): Access niters for single exit through
5087         niter_for_single_dom_exit.
5088         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
5089         number_of_iterations_cond.
5090         (iv_period): New function.
5091         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
5092         (may_replace_final_value): Take data argument.  Use
5093         niter_for_single_dom_exit.
5094         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
5095         (rewrite_use_compare): Pass data to may_eliminate_iv.
5096         (rewrite_use_outer): Pass data to may_replace_final_value.
5097         (free_loop_data): Clean up the niters cache.
5098         (tree_ssa_iv_optimize_finalize): Free the niters cache.
5099         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
5100         * tree-ssa-loop-niter.c (find_loop_niter): New function.
5101         (find_loop_niter_by_eval): Use tree_int_cst_lt.
5102         (num_ending_zeros): Moved to tree.c.
5103         * tree.h (num_ending_zeros): Declare.
5104         * tree.c (num_ending_zeros): Moved from tree.c.
5105
5106 2005-02-09  Richard Henderson  <rth@redhat.com>
5107
5108         * builtins.c (DEF_BUILTIN): Add COND argument.
5109         * tree.h (DEF_BUILTIN): Likewise.
5110         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
5111         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
5112         match.
5113         (DEF_BUILTIN_STUB): New.
5114         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
5115         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
5116         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
5117         * c-common.c (DEF_BUILTIN): Add COND argument.
5118         * tree.c (local_define_builtin): New.
5119         (build_common_builtin_nodes): New.
5120
5121 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5122
5123         * fold-const.c (fold_strip_sign_ops): New function to simplify a
5124         floating point expression ignoring the sign of the result.
5125         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
5126         (fold) <MULT_EXPR>: Use it to simplify x*x.
5127         * tree.h (fold_strip_sign_ops): Prototype here.
5128         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
5129         argument.  Use fold_strip_sign_ops to simplify the first argument.
5130         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
5131         first argument when the second argument is an even integer
5132         constant, but only with -funsafe_math_optimizations.
5133         (fold_builtin_1): Update call to fold_builtin_copysign.
5134
5135 2005-02-09  Ian Lance Taylor  <ian@airs.com>
5136
5137         PR middle-end/19583
5138         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
5139         just check whether EH_FILTER_FAILURE falls through.
5140
5141 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5142
5143         * gcc/haifa-sched.c (schedule_block): Make queued sched group
5144         insns return to ready list in the next turn.
5145
5146 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5147
5148         PR middle-end/19402
5149         * builtins.def: New __builtin_powi[lf].
5150         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
5151         (expand_builtin_powi): New function.
5152         (expand_builtin): Dispatch to expand_builtin_powi.
5153         * libgcc2.h: Add prototypes for __builtin_powi[lf].
5154         * libgcc2.c: Add __builtin_powi[lf] implementation.
5155         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
5156         * optabs.h: Add powi_optab.
5157         * optabs.c (init_optabs): Initialize powi_optab.
5158         * doc/extend.texi: Document __builtin_powi[lf].
5159
5160 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
5161
5162         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
5163         exists.
5164
5165 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5166
5167         PR middle-end/19854
5168         * fold-const.c (try_move_mult_to_index): Remove redundant
5169         type argument.  Create ADDR_EXPR with correct type.
5170         (fold): Update callers of try_move_mult_to_index.  Convert
5171         result to the appropriate type.
5172
5173 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5174
5175         PR target/19597
5176         * config/avr/avr.c (default_rtx_costs): Delete.
5177         (avr_operand_rtx_cost): New function.
5178         (avr_rtx_costs): Completely rewrite.
5179
5180 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
5181
5182         PR target/19806
5183         * config/cris/cris.c (in_code): New variable.
5184         (cris_output_addr_const): Now a static function, a wrapper for
5185         output_addr_const.
5186         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
5187         case from old cris_output_addr_const.
5188         (cris_asm_output_label_ref): Similar for LABEL_REF.
5189         (cris_output_addr_const_extra): Similar for UNSPEC.
5190         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
5191         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
5192         * config/cris/cris-protos.h (cris_output_addr_const): Remove
5193         declaration.
5194         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
5195         (cris_asm_output_label_ref): Declare.
5196
5197 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
5198
5199         PR preprocessor/19801
5200         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
5201         filenames that changed when libcpp was moved to the toplevel.
5202
5203 2005-02-07  Roger Sayle  <roger@eyesopen.com>
5204
5205         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5206         zero extensions of BImode operands.  Call lowpart_subreg instead
5207         of gen_lowpart_common and gen_lowpart_SUBREG.
5208
5209 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
5210
5211         PR ada/19489
5212         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
5213         * configure.ac: Set cc_for_cross_gnattools.
5214         * configure: Regenerate.
5215
5216 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
5217
5218         PR target/19803
5219         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
5220
5221 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5222
5223         PR debug/19327
5224         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
5225         of nested functions.
5226
5227 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
5228
5229         * doc/extend.texi: Document deprecated extensions allowing
5230         static floating-point members to have initializers and allowing
5231         floating-point literals in integral constant expressions.
5232
5233 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
5234
5235         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
5236         config/darwin7.h, config/mips/mips.c,
5237         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
5238         Update copyright.
5239
5240         * cse.c: Update comments.
5241
5242 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
5243
5244         PR middle-end/19775
5245         * builtins.c (fold_builtin_sqrt): Transform
5246         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5247         pow(x,y*0.5).
5248
5249 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
5250             Dorit Naishlos  <dorit@il.ibm.com>
5251
5252         * doc/invoke.texi (ftree-vectorizer-verbose): New.
5253         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5254         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5255         was added.
5256         * tree.h (vect_set_verbosity_level): New extern function declaration
5257         added.
5258         * tree-vectorizer.h (verbosity_levels): New enum type.
5259         * tree-vectorizer.c (vect_debug_stats): Function removed.
5260         (vect_debug_details): Likewise.
5261         (vect_verbosity_level): Global variable was defined and initialized.
5262         (vect_dump): Global variable definition.
5263         (vect_print_dump_info): New function.
5264         (vect_set_dump_settings): New function.
5265         (vect_set_verbosity_level): New function.
5266         (vectorize_loops): Add call to vect_set_dump_settings.
5267
5268         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5269         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5270         (slpeel_tree_peel_loop_to_edge): Likewise.
5271
5272         (vect_analyze_offset_expr): Call to vect_print_dump_info with
5273         appropriate verbosity level instead of call to vect_debug_details
5274         or vect_debug_stats.
5275         (vect_get_base_and_offset):
5276         (vect_create_addr_base_for_vector_ref):
5277         (get_vectype_for_scalar_type):
5278         (vect_create_data_ref_ptr):
5279         (vect_init_vector):
5280         (vect_get_vec_def_for_operand):
5281         (vect_finish_stmt_generation):
5282         (vectorizable_assignment):
5283         (vectorizable_operation):
5284         (vectorizable_store):
5285         (vectorizable_load):
5286         (vect_transform_stmt):
5287         (vect_update_ivs_after_vectorizer):
5288         (vect_do_peeling_for_loop_bound):
5289         (vect_update_inits_of_drs):
5290         (vect_do_peeling_for_alignment):
5291         (vect_transform_loop):
5292         (vect_is_simple_use):
5293         (vect_analyze_operations):
5294         (vect_is_simple_iv_evolution):
5295         (vect_analyze_scalar_cycles):
5296         (vect_analyze_data_ref_dependence):
5297         (vect_analyze_data_ref_dependences):
5298         (vect_compute_data_ref_alignment):
5299         (vect_enhance_data_refs_alignment):
5300         (vect_analyze_data_refs_alignment):
5301         (vect_analyze_data_ref_access):
5302         (vect_analyze_data_ref_accesses):
5303         (vect_analyze_pointer_ref_access):
5304         (vect_get_memtag_and_dr):
5305         (vect_analyze_data_refs):
5306         (vect_mark_relevant):
5307         (vect_stmt_relevant_p):
5308         (vect_mark_stmts_to_be_vectorized):
5309         (vect_can_advance_ivs_p):
5310         (vect_get_loop_niters):
5311         (vect_analyze_loop_form):
5312         (vect_analyze_loop):
5313         (vectorize_loops): Likewise.
5314
5315         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5316         (vect_update_inits_of_drs):
5317         (vect_do_peeling_for_alignment):
5318         (vect_transform_loop):
5319         (vect_analyze_operations):
5320         (vect_analyze_scalar_cycles):
5321         (vect_analyze_data_ref_dependences):
5322         (vect_analyze_data_refs_alignment):
5323         (vect_analyze_data_ref_accesses):
5324         (vect_analyze_data_refs):
5325         (vect_mark_stmts_to_be_vectorized):
5326         (vect_get_loop_niters):
5327         (vect_analyze_loop_form):
5328         (vect_analyze_loop): Likewise.
5329         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5330
5331 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5332
5333         PR bootstrap/19796
5334         Revert:
5335         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5336         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5337         either -ffast-math or -funsafe-math-optimizations is in use.
5338
5339         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5340         * config/mips/irix-csr.c: New file.
5341         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5342         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5343         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5344         executables.
5345
5346 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5347
5348         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5349         redundant, incorrect definitions.
5350
5351         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5352         expand.
5353         ("*tls_indirect_call"): New, reference hard regs directly.
5354         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5355
5356 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5357
5358         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5359         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5360
5361 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5362
5363         PR rtl-optimization/19800
5364         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5365         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5366         gen_lowpart.
5367
5368 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5369
5370         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5371
5372 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5373
5374         PR other/17135
5375         * doc/invoke.texi: Correct documentation of -freorder-functions.
5376
5377 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5378
5379         PR other/14402
5380         * doc/invoke.texi: Don't mention gccbug.
5381
5382 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5383             Andrew Pinski  <pinskia@physics.uc.edu>
5384             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5385
5386         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5387         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5388         into just (zero_extract:SI FOO (const_int 1) BAR).
5389
5390 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5391
5392         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5393         macro locally.  Don't give last revision date.  Use GCC version
5394         number from gcc-common.texi.
5395         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5396         revision date.  Use GCC version number from gcc-common.texi.
5397         Describe being a library as current state rather than as 3.x
5398         history.
5399         * doc/gcc.texi: Remove last update date.
5400         * doc/gccint.texi: Likewise.  Update copyright dates.
5401         * doc/install.texi: Update copyright dates.
5402
5403 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5404
5405         PR other/7549
5406         * doc/invoke.texi: Mention for each option included in -Wall that
5407         it is included in -Wall.
5408         * doc/gcc.texi: Update copyright and last modification date.
5409
5410 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5411
5412         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5413         unnecessary cast to original induction variable increments.
5414
5415 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5416
5417         PR tree-optimization/18219
5418         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5419         in distributed form.
5420
5421 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5422
5423         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5424         Set bitpos and offset later in the function.  Do nothing if the
5425         target is a register and if the bitfield lies completely outside
5426         that register.
5427         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5428         here.  Return an uninitialised register if the source value is stored
5429         in a register and the bitfield lies completely outside that register.
5430
5431 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5432
5433         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5434         not SET_DEST.
5435
5436 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5437
5438         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5439
5440 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5441
5442         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5443         * config/darwin8.h: New.
5444         * config/darwin7.h: Update comment.
5445
5446 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5447             Dorit Naishlos  <dorit@il.ibm.com>
5448
5449         * tree-vectorizer.h (LOC): New type.
5450         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5451         (loop_line_number): New field in struct _loop_vec_info.
5452         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5453
5454         * tree-vectorizer.c (input.h): Included.
5455         (find_loop_location): New function.
5456         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5457         loop line number removed.
5458         (vect_debug_details): Likewise.
5459         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5460
5461         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5462         call to vect_debug_details/stats changed from loop to loop_loc.
5463         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5464         (slpeel_tree_peel_loop_to_edge): Likewise.
5465
5466         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5467         changed from NULL to UNKNOWN_LOC.
5468         (vect_get_base_and_offset):
5469         (vect_create_addr_base_for_vector_ref):
5470         (get_vectype_for_scalar_type):
5471         (vect_create_data_ref_ptr):
5472         (vect_init_vector):
5473         (vect_get_vec_def_for_operand):
5474         (vect_finish_stmt_generation):
5475         (vectorizable_assignment):
5476         (vectorizable_operation):
5477         (vectorizable_store):
5478         (vectorizable_load):
5479         (vect_transform_stmt):
5480         (vect_update_ivs_after_vectorizer):
5481         (vect_do_peeling_for_loop_bound):
5482         (vect_do_peeling_for_alignment):
5483         (vect_transform_loop):
5484         (vect_is_simple_use):
5485         (vect_analyze_operations):
5486         (vect_is_simple_iv_evolution):
5487         (vect_analyze_scalar_cycles):
5488         (vect_analyze_data_ref_dependences):
5489         (vect_compute_data_ref_alignment):
5490         (vect_enhance_data_refs_alignment):
5491         (vect_analyze_data_ref_access):
5492         (vect_analyze_data_ref_accesses):
5493         (vect_analyze_pointer_ref_access):
5494         (vect_get_memtag_and_dr):
5495         (vect_analyze_data_refs):
5496         (vect_mark_relevant):
5497         (vect_stmt_relevant_p):
5498         (vect_mark_stmts_to_be_vectorized):
5499         (vect_can_advance_ivs_p):
5500         (vect_get_loop_niters):
5501         (vect_analyze_loop):
5502         (vectorize_loops): Likewise.
5503
5504         (vectorizable_load): Argument in call to vect_debug_details/stats
5505         changed from loop to LOOP_LOC (loop_vinfo).
5506         (vect_transform_loop):
5507         (vect_analyze_operations):
5508         (vect_analyze_scalar_cycles):
5509         (vect_analyze_data_ref_dependence):
5510         (vect_enhance_data_refs_alignment):
5511         (vect_analyze_data_ref_accesses):
5512         (vect_analyze_pointer_ref_access):
5513         (vect_analyze_data_refs):
5514         (vect_analyze_loop): Likewise.
5515
5516         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5517         changed from loop to loop_loc.
5518
5519         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5520
5521 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5522             Dorit Naishlos  <dorit@il.ibm.com>
5523
5524         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5525         declaration added.
5526         (vect_analyze_data_ref_dependences): Likewise.
5527
5528         (vect_is_simple_use): Argument changed from loop structure to
5529         loop_vect_info structure.
5530         (vect_can_advance_ivs_p): Likewise.
5531         (vect_create_index_for_vector_ref): Likewise.
5532         (vect_update_ivs_after_vectorizer): Likewise.
5533         (new_stmt_vec_info): Likewise.
5534
5535         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5536         changed from loop to loop_vinfo.
5537         (vect_create_data_ref_ptr): First argument in call to
5538         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5539         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5540         was changed from loop to loop_vinfo.
5541         (vectorizable_operation): Likewise.
5542         (vectorizable_store): Likewise.
5543         (vect_mark_stmts_to_be_vectorized): Likewise.
5544         (vect_do_peeling_for_loop_bound): First argument in call to
5545         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5546         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5547         was changed from loop to loop_vinfo.
5548         (vect_analyze_data_ref_dependences): Third argument in call to
5549         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5550
5551         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5552         (vect_create_data_ref_ptr): Likewise.
5553         (vect_init_vector): Likewise.
5554         (vect_get_vec_def_for_operand): Likewise.
5555         (vectorizable_assignment): Likewise.
5556         (vectorizable_operation): Likewise.
5557         (vectorizable_store): Likewise.
5558         (vectorizable_load): Likewise.
5559         (vect_update_ivs_after_vectorizer): Likewise.
5560         (vect_is_simple_use): Likewise.
5561         (vect_analyze_data_ref_dependence): Likewise.
5562         (vect_analyze_pointer_ref_access): Likewise.
5563         (vect_can_advance_ivs_p): Likewise.
5564
5565         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5566         before _stmt_vec_info.
5567         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5568         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5569         (new_stmt_vec_info): Argument changed from loop structure to
5570         loop_vect_info structure
5571
5572         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5573         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5574         (vect_create_addr_base_for_vector_ref): Likewise.
5575         (vect_analyze_pointer_ref_access): Likewise.
5576
5577 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5578
5579         PR tree-opt/19768
5580         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5581         phi flag if the phi is abnormal.
5582
5583 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5584
5585         PR tree-opt/19736
5586         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5587         information for the new statement.
5588
5589 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5590
5591         PR driver/19117
5592         * gcc.c (main): Include the target in -v output.
5593
5594 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5595
5596         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5597         Do not drop the extend if we'd have to add a paradoxical subreg
5598         later.  Include optabs.h and insn-codes.h.
5599         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5600
5601 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5602
5603         PR middle-end/19405
5604         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5605         * fold-const.c (const_binop): Avoid constant folding floating
5606         point operations in modes that use composite representations.
5607         * simplify-rtx.c (simplify_binary_operation): Likewise.
5608
5609 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5610
5611         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5612         a REG, not a MEM.
5613         (altivec_dstt): Likewise.
5614         (altivec_dstst): Likewise.
5615         (altivec_dststt): Likewise.
5616         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5617         of first operand.
5618
5619 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5620
5621         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5622         EXPR_LOCUS from orig_cond to the new cond_stmt.
5623         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5624         the new vec_stmt.
5625
5626 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5627
5628         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5629         standard_iv_increment_position. Remove call to bsi_next
5630         (no need to bump the iterator anymore).
5631         (vect_create_index_for_vector_ref): Call
5632         standard_iv_increment_position. Remove second function argument.
5633         (vect_finish_stmt_generation): Remove call to bsi_next
5634         (no need to bump the iterator anymore).
5635         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5636         to vect_create_index_for_vector_ref.
5637
5638 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5639
5640         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5641         phis are used out of the loop.
5642
5643 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5644
5645         PR c/17807
5646         * c-decl.c (undef_nested_function): New variable.
5647         (pop_scope): Diagnose undefined nested functions.
5648         (finish_function): Don't attempt cgraph processing or genericizing
5649         if current top-level function contained an undefined nested
5650         function.  Reset undef_nested_function at the end of a top-level
5651         function.
5652
5653 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5654
5655         * tree.c (build_int_cst_type): Take sign of the value into account
5656         when deciding whether sign extend the value.
5657
5658 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5659
5660         PR c/18502
5661         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5662         (cpp_options, cc1_options): Change %{std*&ansi} to
5663         %{std*&ansi&trigraphs}.
5664
5665 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5666
5667         * cse.c: Update comments.
5668
5669 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5670
5671         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5672         arguments go on the stack.  Do not put complex doubles in odd/even
5673         pairs.
5674
5675 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5676
5677         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5678         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5679         -ftree-pre, and -fthread-jumps.
5680
5681 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5682
5683         PR tree-optimization/19578
5684         * tree-flow.h (modified_noreturn_calls): Declare.
5685         (noreturn_call_p): Declare.
5686         * tree-flow-inline.h (noreturn_call_p): New function.
5687         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5688         * tree-cfg.c (modified_noreturn_calls): New variable.
5689         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5690         that contain a mid-block noreturn call.
5691         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5692
5693 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5694
5695         * df.c (df_def_record_1, df_uses_record): Don't use
5696         DF_FOR_REGALLOC.
5697         * df.h (DF_FOR_REGALLOC): Remove.
5698
5699 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5700
5701         PR c/19435
5702         * c-typeck.c (really_start_incremental_init): Reset
5703         constructor_max_index for arrays of incomplete type.
5704
5705 2005-02-02  Jeff Law  <law@redhat.com>
5706
5707         * gcse.c (struct reg_set): Store the block index where the register
5708         was set rather than the setting insn.
5709         (record_one_set, compute_transp): Corresponding changes.
5710         (pre_insert_copy_insn): Do not call replace_one_set.
5711         (replace_one_set): Remove.
5712
5713 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5714
5715         PR other/15514
5716         * doc/gcov.texi: Fix typo.
5717
5718 2005-02-01  Richard Henderson  <rth@redhat.com
5719
5720         PR target/19680
5721         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5722         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5723         type to bool.
5724         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5725         * config/i386/i386-protos.h: Update.
5726
5727 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5728
5729         PR tree-optimization/19217
5730         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5731         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5732         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5733         that it is walking a PHI node.
5734
5735 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5736
5737         * doc/extend.texi (Nested Functions): Update.
5738
5739 2005-02-01  Richard Henderson  <rth@redhat.com>
5740
5741         PR 19696
5742         * optabs.c (expand_copysign_absneg): Export.
5743         * optabs.h (expand_copysign_absneg): Declare.
5744         * config/rs6000/rs6000.md (copysigntf3): New.
5745
5746 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5747
5748         PR tree-optimization/19633
5749         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5750         * tree-ssa-alias.c (init_alias_info): Initialize.
5751         (merge_pointed_to_info): Set.
5752         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5753         (dump_points_to_info_for): Show value of pt_null.
5754         (struct count_ptr_d): Declare.
5755         (find_ptr_dereference): Remove.
5756         (ptr_is_dereferenced_by): Remove.
5757         (count_ptr_derefs): New local function.
5758         (count_uses_and_derefs): New local function.
5759         (compute_points_to_and_addr_escape): Call it.  If the number
5760         of dereferences is greater than zero, mark the pointer as
5761         dereferenced.  If there are fewer dereferences than uses of
5762         the pointer, the pointer's value escapes.
5763
5764 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5765
5766         PR tree-optimization/19670
5767         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5768         here...
5769         (verify_use): ... set it here, instead.
5770
5771 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5772
5773         * doc/sourcebuild.texi (Test directives): Fix formatting.
5774
5775         * doc/sourcebuild.texi (Test directives): Describe selector
5776         expressions.
5777
5778 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5779
5780         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5781         specific 64-bit CPUs.
5782
5783 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5784
5785         PR target/16201
5786         * arm.c (arm_eliminable_register): New function.
5787         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5788         HOST_WIDE_INT for address offsets.
5789         * arm-protos.h (arm_eliminable_register): Add prototype.
5790
5791 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5792
5793         PR optimization/15242
5794         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5795         * basic-block.h (duplicate_computed_gotos): Add prototype.
5796         * bb-reorder.c (duplicate_computed_gotos): New function to
5797         duplicate sufficiently small blocks ending in a computed jump.
5798         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5799         if not optimizing for size.
5800         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5801         never do tail merging for blocks ending in a computed jump.
5802         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5803
5804 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5805
5806         Patch from Richard Sandiford <rsandifo@redhat.com>
5807         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5808         from inheriting a subreg equivalence with a non-spill register.
5809
5810         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5811
5812 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5813
5814         * config/frv/frv.c (movcc_fp_destination_operand): New.
5815         (gpr_or_memory_operand): Fix typo in comment.
5816         (gpr_or_memory_operand_with_scratch): New.
5817         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5818         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5819         movcc_fp_destination_operand.
5820         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5821         Legitimize memory addresses using a scratch register.
5822
5823 2005-01-31  Jeff Law  <law@redhat.com>
5824
5825         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5826         bitmap a sparse bitmap instead of a simple bitmap.
5827         (mark_def_sites_initialize_block):  Corresponding changes.
5828         (ssa_mark_def_sites_initialize_block): Likewise.
5829         (ssa_mark_phi_uses): Likewise.
5830         (mark_def_site, ssa_mark_def_sites): Likewise.
5831         (mark_def_site_blocks): Likewise.
5832         (rewrite_ssa_into_ssa): Likewise.
5833
5834         * tree-ssa-dom.c (record_cond): Pass correct variable type
5835         for last argument to htab_find_slot_with_hash.
5836
5837         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5838         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5839
5840 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5841
5842         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5843         1_mmalua.
5844
5845 2005-02-01  Eric Christopher  <echristo@redhat.com>
5846
5847         * config/mips/mips.c (override_options): Warn if -mint64
5848         is used.
5849         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5850         deprecated.
5851
5852 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5853
5854         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5855         timestamp.
5856         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5857         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5858         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5859         (cached_regno): Initialize to INVALID_REGNUM.
5860         (cse_reg_info_table_size,
5861         cse_reg_info_table_first_uninitialized,
5862         cse_reg_info_timestamp): New.
5863         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5864         get_cse_reg_info.
5865         (init_cse_reg_info, get_cse_reg_info_1): New.
5866         (get_cse_reg_info): Cache the last look-up.
5867         (new_basic_block): Update the code to clear mappings from
5868         registers to cse_reg_info entries.
5869         (cse_main): Call init_cse_reg_info.
5870
5871         * cse.c (get_cse_reg_info): Update a comment.
5872
5873 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5874
5875         PR c/19333
5876         * c-decl.c (start_decl): Do not warn about arrays of elements with
5877         an incomplete type here.
5878         (grokdeclarator): Do it here by making a pedwarn an error.
5879         * c-typeck.c (push_init_level): If there were previous errors with
5880         the constructor type, do not warn about braces for initializers.
5881         (process_init_element): Likewise for excess initializer elements.
5882
5883 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5884
5885         * cse.c (delete_trivially_dead_insn): Don't iterate.
5886
5887 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5888
5889         * config/rs6000/rs6000.md (copysignsf3): New expand.
5890         (copysigndf3): Likewise.
5891
5892 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5893
5894         * recog.c (constrain_operands): Only look for earlyclobber operand
5895         conflicts if an '&' constraint was seen.
5896
5897 2005-01-31  Marc Espie <espie@openbsd.org>
5898
5899         * config.gcc: Don't include embedded systems fragment, switches default
5900         debugging format to ELF.
5901         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5902         longer pick it up there.
5903
5904 2005-01-31  Dale Johannesen  <dalej@apple.com>
5905
5906         * doc/extend.texi (nested functions): Fix linkage description.
5907         Clarify that static is not allowed.
5908
5909 2005-01-31  Dale Johannesen  <dalej@apple.com>
5910
5911         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5912         (movdf_low_di):  Make work.
5913
5914 2005-01-31  Dale Johannesen  <dalej@apple.com>
5915
5916         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5917         Make work for 64 bit.
5918
5919 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5920             Dale Johannesen  <dalej@apple.com>
5921
5922         PR middle-end/19650
5923         * fold-const.c (fold_binary_op_with_conditional_arg):
5924         Make types match original operands, before STRIP_NOPS.
5925
5926 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5927
5928         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5929         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5930         (struct gcc_sigcontext): Delete.  Merge contents to..
5931         (struct gcc_ucontext): ..here.
5932         (get_sigcontext): Delete.
5933         (get_regs): New function, like get_sigcontext but return regs ptr.
5934         64-bit version finds regs from r1 to support vdso.
5935         (ppc_linux_aux_vector): New function.
5936         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5937         and vector regs.
5938
5939 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5940
5941         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5942         sizetype.
5943         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5944         redundant fold. Fix misalignment for MINUS_EXPR.
5945         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5946         (vect_analyze_pointer_ref_access): Likewise.
5947         (vect_get_memtag_and_dr): Likewise.
5948
5949 2005-01-31  Richard Henderson  <rth@redhat.com>
5950
5951         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5952         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5953         absnegdf2_i387, absnegxf2_i387): Likewise.
5954
5955 2005-01-31  Richard Henderson  <rth@redhat.com>
5956
5957         PR 19696
5958         * optabs.c (expand_copysign_absneg): New.
5959         (expand_copysign_bit): Split out from ...
5960         (expand_copysign): ... here.  Use expand_copysign_absneg.
5961
5962 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5963
5964         PR middle-end/19697
5965         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5966         constant as the second operand and a register as the third.
5967
5968 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5969
5970         PR target/19704
5971         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5972         that dllimport'd functions do not use all call-clobbered registers
5973         to pass parameters.
5974
5975 2005-01-30  Richard Henderson  <rth@redhat.com>
5976
5977         PR 19696
5978         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5979         expand_abs_nojump and generalize.  Use operand_subword and
5980         emit_no_conflict_block.  Support large modes.
5981         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5982         back to maximum.
5983         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5984         negation to subtraction.
5985         (expand_copysign): Check that the format has signed zeros.
5986         Use operand_subword and emit_no_conflict_block.  Support large modes.
5987
5988 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5989
5990         Fix PR tree-optimization/19624
5991
5992         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5993         * tree-ssa-pre.c: Add cfgloop.h.
5994         Update comment.
5995         (pre_stats): New member, constified.
5996         (inserted_exprs): New static variable.
5997         (NECESSARY): New macro.
5998         (create_expression_by_pieces): Fold the expression, and
5999         mark it as defaulting to not necessary. Also put in
6000         inserted_exprs.
6001         (fully_constant_expression): New function.
6002         (insert_into_preds_of_block): Modify to not insert phis when we
6003         are playing with induction variables.
6004         Push phis onto the inserted_exprs vector, and mark them as not
6005         necessary by default.
6006         (insert_aux): Call fully_constant_expression on eprime.
6007         If all edges produce the same value, mark it constant.
6008         (mark_operand_necessary): New function.
6009         (remove_dead_inserted_code): New function.
6010         (init_pre): Init loop optimizer to get loop info.
6011         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
6012         (execute_pre): Commit edge inserts, then remove dead code.
6013
6014 2005-01-30  Richard Henderson  <rth@redhat.com>
6015
6016         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
6017         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
6018
6019 2005-01-30  Richard Henderson  <rth@redhat.com>
6020
6021         PR target/19700
6022         * config/i386/i386.c (ix86_expand_copysign): New.
6023         (ix86_split_copysign_const): New.
6024         (ix86_split_copysign_var): Rename from ix86_split_copysign,
6025         rearrange op1/nmask operands.
6026         * config/i386/i386-protos.h: Update.
6027         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
6028         (copysigndf3): Likewise.
6029         (copysignsf3_const, copysigndf3_const): New.
6030         (copysignsf3_var): Rename from copysignsf3, split out splitter
6031         and fix split predicate for X constraint.
6032         (copysigndf3_var): Similarly.
6033
6034 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
6035
6036         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
6037         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
6038         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
6039
6040 2005-01-29  Richard Henderson  <rth@redhat.com>
6041
6042         PR target/19690
6043         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
6044         of # and * in constraints.
6045
6046 2005-01-29  Richard Henderson  <rth@redhat.com>
6047
6048         PR middle-end/19689
6049         * expr.c (store_field): Don't strip sub-mode cast when the input
6050         data is even smaller.
6051
6052 2005-01-29  Richard Henderson  <rth@redhat.com>
6053
6054         PR middle-end/19687
6055         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
6056         union being empty.
6057
6058 2005-01-29  Richard Henderson  <rth@redhat.com>
6059
6060         * combine.c (make_field_assignment): Fix argument order
6061         to gen_int_mode.
6062
6063 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
6064
6065         PR tree-optimization/15791
6066         * fold-const.c (extract_array_ref): New function.
6067         (fold): Fold comparisons between &a[i] and &a[j] or
6068         semantically equivalent trees.
6069
6070 2005-01-29  Jeff Law  <law@redhat.com>
6071
6072         * gcse.c (insert_expr_in_table): Revamp handling of available
6073         and anticipatable occurrence lists to avoid unnecessary list
6074         walking.
6075         (insert_set_in_table): Similarly.
6076
6077 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
6078
6079         * c-common.c (fix_string_type): Just use c_build_qualified_type to
6080         build string type.
6081         (c_build_qualified_type): Build qualified array types with
6082         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
6083         * c-decl.c (c_make_fname_decl): Build unqualified array type
6084         before qualified type.
6085         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
6086         type is qualified, not just if type itself is.  Don't apply
6087         qualifiers to array type when declarator is processed.  Apply
6088         qualifiers to field type whether or not it is an array type.
6089         Don't handle array types specially for applying qualifiers to
6090         variables.
6091         * c-typeck.c (composite_type): Build unqualified element type and
6092         array type when forming composite of array types.
6093         (common_pointer_type, comptypes, comp_target_types,
6094         type_lists_compatible_p, build_indirect_ref, build_array_ref,
6095         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
6096         types.
6097         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
6098         (args2) in variables a1 and a2.
6099
6100 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
6101
6102         * cse.c (n_elements_made, max_elements_made): Remove.
6103         (insert): Don't touch n_elements_made.
6104         (cse_main): Don't touch n_elements_made or max_elements_made.
6105
6106 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
6107
6108         PR target/15384
6109         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
6110         configuration part of dp-bit.c to be lost.
6111
6112 2005-01-28  Roger Sayle  <roger@eyesopen.com>
6113
6114         * expmed.c (expand_mult_highpart_optab): When attempting to use
6115         a non-widening multiplication in a wider mode, the operands need
6116         to be converted (zero or sign extended) to that mode.
6117
6118 2005-01-28  Ian Lance Taylor  <ian@airs.com>
6119
6120         PR middle-end/16558
6121         PR middle-end/19583
6122         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
6123         through if both operands fall through.
6124
6125 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6126
6127         * cse.c (fold_rtx) <PC>: Don't optimize.
6128
6129 2005-01-28  Jeff Law  <law@redhat.com>
6130
6131         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
6132         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
6133
6134 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6135
6136         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
6137         cse_reg_info_used_list_end): Remove.
6138         (cse_reg_info_list, cse_reg_info_list_free): New.
6139         (get_cse_reg_info): When allocating an instance of
6140         cse_reg_info, add it to the beginning of the cse_reg_info_list
6141         list.  Remove code to maintain cse_reg_info_used_list.
6142         (new_basic_block): Reset the free list to the beginning of
6143         cse_reg_info_list.
6144
6145 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
6146
6147         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
6148         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
6149         (frv_expand_mdpackh_builtin): New function.
6150         (frv_expand_builtin): Use it to expand __MDPACKH.
6151         * doc/extend.texi (__MDPACKH): Update documentation.
6152
6153 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
6154
6155         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
6156         SSE_FLOAT_MODE_P for use_sse computation.
6157
6158 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
6159
6160         PR target/19663
6161         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
6162
6163 2005-01-27  Richard Henderson  <rth@redhat.com>
6164
6165         * builtins.c (expand_builtin_copysign): New.
6166         (expand_builtin): Call it.
6167         * genopinit.c (optabs): Add copysign_optab.
6168         * optabs.c (init_optabs): Initialize it.
6169         (expand_copysign): New.
6170         * optabs.h (OTI_copysign, copysign_optab): New.
6171         (expand_copysign): Declare.
6172
6173         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
6174         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
6175
6176         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
6177         (ix86_expand_fp_absneg_operator): ... here.
6178         (ix86_split_copysign): New.
6179         * config/i386/i386-protos.h: Update.
6180         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
6181         (copysignsf3, copysigndf3): New.
6182
6183         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
6184         (copysignsf3, ncopysignsf3): New.
6185         (copysigndf3, ncopysigndf3): New.
6186         (copysignxf3, ncopysignxf3): New.
6187         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
6188
6189 2005-01-27  Arend Bayer  <arend.bayer@web.de>
6190             Kazu Hirata  <kazu@cs.umass.edu>
6191
6192         * cse.c: (find_best_addr): Don't call copy_rtx before calling
6193         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
6194         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
6195         NULL_RTX.
6196
6197 2005-01-27  Jeff Law  <law@redhat.com>
6198
6199         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
6200         definitions of SSA_NAMEs which are not being rewritten.
6201         (rewrite_ssa_into_ssa): Only initialize the current definition
6202         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
6203         If checking is enabled, assert that SSA_NAME_AUX is clear for all
6204         SSA_NAMEs before returning.
6205
6206 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
6207
6208         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
6209         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
6210         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
6211         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
6212         config/mips/iris6.h, config/sh/sh.c: Update copyright.
6213
6214 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6215
6216         PR middle-end/17278
6217         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
6218         higher to -O2 and higher.  Likewise for tree PRE.
6219         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
6220         and better.
6221
6222 2005-01-27  Ian Lance Taylor  <ian@airs.com>
6223
6224         PR middle-end/19583
6225         * gimple-low.c (try_catch_may_fallthru): New static function.
6226         (block_may_fallthru): Handle TRY_CATCH_EXPR.
6227         * tree-inline.c (expand_call_inline): Don't warn about reaching
6228         the end of a non-void function being inlined if the function uses
6229         a return slot.
6230
6231 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
6232
6233         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
6234
6235         PR c/18946
6236         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
6237         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
6238         (implicitly_declare): Handle error_mark_node.
6239
6240 2005-01-27  Richard Henderson  <rth@redhat.com>
6241
6242         PR tree-opt/14329
6243         * tree.h (struct tree_decl): Add debug_expr_is_from.
6244         (DECL_DEBUG_EXPR_IS_FROM): New.
6245         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6246         * dwarf2out.c (dwarf2out_var_location): Update to match.
6247         * tree-outof-ssa.c (create_temp): Likewise.
6248         * var-tracking.c (track_expr_p): Likewise.
6249         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6250         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6251         * toplev.c (default_tree_printer): Likewise.
6252
6253 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
6254
6255         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6256         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6257
6258 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6259
6260         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6261         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6262         ASM_CLOBBERS): Add tree checks.
6263
6264         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6265         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6266         * c-common.def (SWITCH_STMT): Update to match.
6267         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6268         macros instead of SWITCH_EXPR ones.
6269         * c-dump.c (c_dump_tree): Likewise.
6270         * c-gimplify.c (gimplify_switch_stmt): Likewise.
6271         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6272
6273         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6274
6275 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
6276
6277         * unwind-dw2.c (execute_stack_op): Add missing cases for
6278         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6279
6280 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
6281
6282         * config.gcc (Obsolete configurations): Remove 'dummy', add
6283         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6284         sparc-*-openbsd*.
6285
6286 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
6287
6288         PR tree-optimization/19633
6289         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6290         CALL_EXPRs.
6291         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6292         are no call-clobbered variables.
6293         * tree-outof-ssa.c (check_replaceable): Return false for calls
6294         with side-effects.
6295
6296 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6297
6298         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6299         even for variables with NULL DECL_INITIAL.
6300
6301 2005-01-26  Stuart Hastings  <stuart@apple.com>
6302
6303         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6304
6305 2005-01-26  Richard Henderson  <rth@redhat.com>
6306
6307         PR middle-end/18008
6308         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6309         field's type.
6310         * expr.c (store_field): Strip conversions to odd-bit-sized types
6311         if the destination field width matches.
6312
6313 2005-01-26  Richard Henderson  <rth@redhat.com>
6314
6315         * c-decl.c, expmed.c, expr.c: Revert last change.
6316
6317 2005-01-26  Richard Henderson  <rth@redhat.com>
6318
6319         PR middle-end/18008
6320         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6321         field's type.
6322         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6323         if we don't need the bits above those present in the current mode.
6324         * expr.c (store_field): Strip conversions to odd-bit-sized types
6325         if the destination field width matches.
6326
6327 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6328
6329         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6330         either -ffast-math or -funsafe-math-optimizations is in use.
6331
6332 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6333
6334         PR target/19293
6335         PR target/19329
6336         * config/avr/avr.c (notice_update_cc): Only set condition code for
6337         ashrqi3 if shift count > 0.
6338         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6339         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6340         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6341         count <= 0 as a no-op, and shift count >= width by copying zero
6342         or sign bit to all bits of the result.
6343         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6344         count, with attribute "length" set to 0 and "cc" set to "none".
6345
6346 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6347
6348         * doc/invoke.texi: Document -mTLS.
6349
6350         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6351         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6352         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6353         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6354         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6355         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6356         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6357         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6358
6359         * configure.ac: Check for a TLS capable gas.
6360
6361         * configure: Regenerate.
6362
6363 2005-01-26  Richard Henderson  <rth@redhat.com>
6364
6365         PR middle-end/18008
6366         * combine.c (make_field_assignment): Simplify store to zero_extract
6367         from a source with an overlapping mask.
6368
6369 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6370
6371         2004-11-11  Eric Christopher  <echristo@redhat.com>
6372
6373         * config/frv/frv.md: Add fr400_integer automaton. Don't
6374         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6375         to TYPE_MACC.
6376
6377 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6378
6379         PR middle-end/16585
6380         * cfgbuild.c (make_edges): Do not clear or set
6381         current_function_has_computed_jump.
6382         * function.h (struct function): Remove the has_computed_jump field.
6383         (current_function_has_computed_jump): Do not define.
6384         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6385         in a computed jump.  Ignore current_function_has_computed_jump.
6386
6387 2005-01-26  Richard Henderson  <rth@redhat.com>
6388
6389         PR middle-end/19515
6390         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6391         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6392         fully initialized.
6393         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6394         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6395         objects into static storage if they have more than one non-zero value.
6396         * tree.h (categorize_ctor_elements): Update decl.
6397
6398 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6399
6400         PR middle-end/19616
6401         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6402         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6403         to this function from 2004-07-10.
6404         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6405         the current function for tail call optimizations if the address
6406         of one of it its arguments is taken.
6407
6408 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6409
6410         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6411
6412 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6413
6414         * function.c (expand_function_end): If current_function_calls_alloca,
6415         emit stack restore in a place that is reached when the function falls
6416         through at the end.
6417
6418 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6419
6420         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6421         rule to avoid matching inappropriate suffix rule.
6422
6423 2005-01-26  Jan Hubicka  <jh@suse.cz>
6424
6425         PR tree-optimization/19241
6426         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6427
6428 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6429
6430         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6431         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6432         of doubling.
6433         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6434         <sim*>: Always use crt1.o, regardless of N in simN.
6435         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6436         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6437         (CRT_CALL_STATIC_FUNCTION): Remove.
6438         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6439         use crt1.o, regardless of N in simN.
6440         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6441         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6442         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6443         case isystem setting.
6444         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6445
6446 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6447
6448         * gimple-low.c (block_may_fallthru): Correct handling of
6449         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6450
6451 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6452
6453         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6454         handlers to match indentation; nested under the mtune=* handler.
6455         Similar for mcpu= and march=.
6456
6457 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6458
6459         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6460         * config/mips/linux64.h (LIB_SPEC): Likewise.
6461         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6462         * config/sh/linux.h (LIB_SPEC): Likewise.
6463
6464 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6465
6466         * config/frv/frv.c (frv_legitimize_tls_address): New.
6467         (TARGET_HAVE_TLS): Define.
6468         (FRV_SYMBOL_REF_TLS_P): Define.
6469         (frv_override_options): Handle new register classes.
6470         (frv_legitimate_address_p): Reject tls addresses.
6471         (frv_legitimize_address): Handle TLS addresses.
6472         (gen_inlined_tls_plt): New.
6473         (gen_tlsmoff): New.
6474         (frv_legitimize_tls_address): New.
6475         (unspec_got_name): Add TLS entries.
6476         (got12_operand): Add R_FRV_TLSMOFF12 case.
6477         (frv_emit_move): Fixup TLS addresses.
6478         (frv_emit_movsi): Legitimize TLS addresses.
6479
6480         * config/frv/frv.h (MASK_BIG_TLS): New.
6481         (TARGET_BIG_TLS): New.
6482         (HAVE_AS_TLS): Define.
6483         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6484         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6485         (REG_CLASS_NAMES): Same.
6486         (REG_CLASS_CONTENTS): Same.
6487         (CONSTRAINT_LEN): New.
6488         (REG_CLASS_FROM_CONSTRAINT): New.
6489         (PREDICATE_CODES): Add symbolic_operand.
6490
6491         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6492         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6493         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6494         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6495         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6496         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6497         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6498         GR9_REG, GR14_REG, LRREG.
6499         (type): Add load_or_call attribute.
6500         ("load_or_call"): New reservation.
6501         ("call_gettlsoff"): New.
6502         ("tls_indirect_call"): New.
6503         ("tls_load_gottlsoff12"): New.
6504         ("tlsoff_hilo"): New.
6505         ("tls_tlsdesc_ldd"): New.
6506         ("tls_tlsoff_ld"): New.
6507         ("tls_lddi"): New.
6508
6509         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6510
6511         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6512
6513         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6514         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6515         * config/frv/frv.c (TLS_BIAS): Define.
6516         (frv_output_dwarf_dtprel): New.
6517
6518 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6519
6520         PR rtl-optimization/19579
6521         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6522         both A and B, see if they don't clobber registers the other expr uses.
6523
6524 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6525
6526         * real.c (do_add): Initialize signalling and canonical members.
6527
6528         * real.c (real_from_integer): Zero out destination.
6529
6530 2005-01-18  Jan Hubicka  <jh@suse.cz>
6531
6532         PR tree-optimize/19337
6533         * tree-inline.c (initialize_inlined_parameters): Copy
6534         saved_static_chain_decl only.
6535
6536 2005-01-25  Richard Henderson  <rth@redhat.com>
6537
6538         PR target/19556
6539         PR target/19584
6540         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6541         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6542         80387 enabled, to return a proper subclass.  Return the subset that
6543         overlaps with GENERAL_REGS for PLUS.
6544         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6545
6546 2005-01-25  Richard Henderson  <rth@redhat.com>
6547
6548         PR middle-end/19609
6549         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6550
6551 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6552
6553         * expmed.c (choose_multiplier): Change interface to return the
6554         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6555         (expand_divmod): Update calls to choose_multiplier.
6556
6557 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6558
6559         PR middle-end/19330
6560         * expmed.c (extract_bit_field): Use adjust_address instead of
6561         gen_lowpart when op0 is a MEM.
6562
6563 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6564
6565         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6566
6567 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6568
6569         * config/mips/irix-csr.c: New file.
6570         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6571         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6572         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6573         executables.
6574
6575 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6576
6577         PR bootstrap/19364
6578         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6579         sparc/elf.h, add sparc/sp-elf.h.
6580         (sparc-*-rtems*): Likewise.
6581         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6582         tm-dwarf2.h, add sparc/sp-elf.h.
6583         (sparc86x-*-elf): Likewise.
6584         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6585         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6586         TARGET_OS_CPP_BUILTINS.
6587         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6588         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6589         Undefine it.
6590         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6591         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6592         (SWITCH_TAKES_ARG): Likewise.
6593         (LOCAL_LABEL_PREFIX): Likewise.
6594         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6595         (TARGET_N_FORMAT_TYPES): Delete.
6596         (TARGET_FORMAT_TYPES): Likewise.
6597         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6598         * config/sparc/elf.h: Delete.
6599         * config/sparc/sp-elf.h: New file.
6600
6601 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6602
6603         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6604         * tree-flow.h: Remove the corresponding prototype.
6605         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6606         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6607
6608 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6609
6610         PR target/17751
6611         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6612         for AIX ABI or ELF -fPIC.
6613         (rs6000_emit_load_toc_table): Don't create toc_section here.
6614         (rs6000_xcoff_file_start): Nor here.
6615
6616 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6617
6618         * sh.c (ra.h): Don't #include.
6619         (hard_regs_intersect_p): New function, resurrected from ra.c.
6620
6621         * sh.c: Fix 1996 Copyright.
6622
6623 2005-01-24  Richard Henderson  <rth@redhat.com>
6624             Aldy Hernandez  <aldyh@redhat.com>
6625
6626         * regrename.c (note_sets): Handle subregs.
6627
6628 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6629
6630         PR bootstrap/18058
6631         * genconditions.c (write_header, write_conditions): Elide file if
6632         not GCC >= 3.0.1.
6633
6634 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6635
6636         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6637         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6638         Update copyright.
6639
6640 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6641
6642         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6643         expand_builtin_printf, expand_builtin_fprintf,
6644         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6645         checking against POINTER_TYPE.
6646         (validate_arglist): Handle POINTER_TYPE code by checking
6647         POINTER_TYPE_P.
6648
6649 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6650
6651         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6652         init_rtlanal): New.
6653         (for_each_rtx): Call for_each_rtx_1.
6654         * rtl.h (init_rtlanal): Declare.
6655         * toplev.c (backend_init): Call init_rtlanal.
6656
6657 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6658
6659         * flow.c (propagate_one_insn): Formatting.
6660
6661         PR middle-end/19551
6662         * flow.c (libcall_dead_p): Be more conservative if unsure.
6663         If there are any instructions between insn and call, see if they are
6664         all dead before saying the libcall is dead.
6665
6666 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6667
6668         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6669         operand constraint for operand 0.
6670
6671 2005-01-23  Richard Henderson  <rth@redhat.com>
6672
6673         PR 19486
6674         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6675         edges leading to join block.
6676
6677 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6678
6679         * expmed.c (expand_mult_highpart): Make static.  Change type of
6680         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6681         (expand_divmod): Updates calls to expand_mult_highpart by using
6682         gen_int_mode to pass a CONST_INT rtx.
6683         * rtl.h (expand_mult_highpart): Remove prototype.
6684
6685 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6686
6687         * flow.c (regset_bytes, regset_size): Remove.
6688
6689         * cfganal.c: Fix a reference to Harvey's paper.
6690
6691 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6692
6693         PR rtl-optimization/19464
6694         * tree-optimize.c (init_tree_optimization_passes): Add one more
6695         copyrename pass just before out-of-ssa.
6696
6697 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6698
6699         PR bootstrap/18058
6700         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6701         * ggc-none.c (ggc_free): Define.
6702
6703 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6704
6705         * cse.c (max_reg, max_insn_uid): Remove.
6706         (cse_main): Don't access max_reg or max_insn_uid.
6707
6708         * c-common.c (explicit_flag_signed_bitfields,
6709         lang_statement_code_p, lang_expand_function_end): Remove.
6710         * c-common.h: Remove the corresponding declarations.
6711         * c-opts.c (c_common_handle_option): Remove all write access
6712         to explicit_flag_signed_bitfields.
6713
6714         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6715         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6716         * cgraph.h: Remove the corresponding declaration.
6717
6718         * gcse.c (null_pointer_info): Remove.
6719
6720 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6721             Eric Botcazou  <ebotcazou@libertysurf.fr>
6722
6723         * combine.c (simplify_logical): Only simplify logical expressions
6724         of the form ior(and(x,y),z) by the inverse distributive law if the
6725         result is cheaper than the original.
6726
6727 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6728
6729         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6730         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6731         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6732         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6733         config/freebsd-spec.h, config/arm/arm.h,
6734         config/h8300/h8300.md, config/i386/i386.md,
6735         config/i386/predicates.md, config/i386/sse.md,
6736         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6737         config/vax/vax.md: Fix comment typos.  Follow spelling
6738         conventions.
6739
6740 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6741
6742         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6743         tests, instead of `less than'.
6744
6745 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6746
6747         * function.c (assign_parm_setup_block): When creating a new stack slot
6748         for a parameter, get its alignment from the parameter's DECL_ALIGN
6749         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6750         is at least word aligned.
6751
6752 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6753
6754         PR middle-end/19378
6755         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6756
6757 2005-01-22  Richard Henderson  <rth@redhat.com>
6758
6759         PR target/19506
6760         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6761         in both compare operands.
6762         (movdfcc_1_sse_max): Likewise.
6763         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6764         (movdfcc_1_sse): Likewise.
6765         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6766         scratch register as needed.
6767
6768 2005-01-22  Richard Henderson  <rth@redhat.com>
6769
6770         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6771
6772         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6773
6774 2005-01-22  Richard Henderson  <rth@redhat.com>
6775
6776         * genopinit.c (optabs): Use smin/smax for floating point too.
6777         * doc/md.texi: Update to match.  Clarify that floating point
6778         results are undefined for +0/-0 and NaN.
6779         * doc/rtl.texi: Likewise.
6780         * rtl.def (SMIN, SMAX): Likewise
6781         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6782
6783         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6784         leading 's' to the name.
6785         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6786         smaxxf3, sminxf3): Likewise.
6787         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6788         Likewise.
6789
6790 2005-01-22  Paul Brook  <paul@codesourcery.com>
6791
6792         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6793
6794 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6795
6796         * config/s390/s390.c (struct processor_costs): New fields
6797         dlgr, dlr, dr, dsgfr, dsgr.
6798         (z900_cost, z990_cost): Values for new fields.
6799         (s390_rtx_costs): New cases MEM und COMPARE in switch
6800         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6801         DIV, MOD, UDIV, UMOD.
6802
6803 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6804
6805         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6806         into the register being decremented.
6807         ("doloop_si31", "doloop_di"): Likewise.
6808         ("*doloop_si_long"): Adapt pattern.
6809
6810 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6811
6812         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6813         access registers.
6814         (CLASS_MAX_NREGS): Likewise.
6815
6816 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6817
6818         * doc/tree-ssa.texi (Statement Operands): Add example for new
6819         must-def macro. Note deprecation of old operands interface.
6820
6821 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6822
6823         PR tree-optimization/19484
6824         * tree-cfg.c (remove_fallthru_edge): New function.
6825         (cleanup_control_flow): Remove fallthru edges from calls that are
6826         now known not to return.
6827
6828 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6829
6830         Fix PR tree-optimization/19038
6831         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6832         copies with loop variant ones.
6833
6834 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6835
6836         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6837         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6838         config/alpha/alpha.md, config/alpha/predicates.md,
6839         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6840         config/sparc/sol2.h: Update copyright.
6841
6842         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6843         first label to see if it is a nonlocal label.
6844
6845 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6846             Andrew Pinski  <pinskia@physics.uc.edu>
6847
6848         PR target/19491
6849         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6850         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6851
6852 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6853
6854         * config/rs6000/rtems.h: Update copyright.
6855
6856 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6857
6858         PR target/19548
6859         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6860         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6861         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6862
6863 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6864
6865         PR c/18809
6866         * c-typeck.c (convert_arguments): Check for error_mark_node.
6867
6868 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6869
6870         PR tree-optimization/13000
6871         * tree-inline.c: Include "tree-flow.h".
6872         (expand_call_inline): If warn_return_type, warn if non-void inline
6873         function falls through.
6874         * tree-cfg.c (execute_warn_function_return): Don't warn about
6875         control reaching end if TREE_NO_WARNING is set.  Set
6876         TREE_NO_WARNING.
6877         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6878         has been lowered.
6879         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6880         branch if we don't need one.
6881         * c-typeck.c: Include "tree-flow.h"
6882         (c_finish_bc_stmt): Don't add a goto if the current statement
6883         list doesn't fall through to the current point.
6884
6885 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6886
6887         PR rtl-optimization/576
6888         * real.c (real_arithmetic): Change return type from void to bool
6889         to return an indication that the result may be inexact.
6890         * real.h (real_arithmeric): Update prototype.
6891         * fold-const.c (const_binop):  Don't constant fold floating
6892         point expressions when the user specifies -frounding-math and
6893         the result may depend upon the run-time rounding mode.
6894         (fold_convert_const_real_from_real): Clean-up.
6895         (fold_initializer): Ignore flag_rounding_math for initializers.
6896         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6897         constant fold FP operations with flag_rounding_math if the
6898         result may depend upon the run-time rounding mode.
6899
6900 2005-01-21  Tom Tromey  <tromey@redhat.com>
6901
6902         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6903
6904 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6905
6906         * tree-cfg.c: Fix comment typos.
6907
6908 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6909
6910         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6911         around the call to rest_of_handle_branch_target_load_optimize.
6912
6913 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6914
6915         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6916         (sparc64-*-openbsd*): Likewise.
6917         (sparclite-*-elf*): Include tm-dwarf2.h.
6918         (sparc86x-*-elf*): Likewise.
6919         (sparc64-*-elf*): Likewise.
6920         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6921         (DBX_DEBUGGING_INFO): Likewise.
6922         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6923         (PREFERRED_DEBUGGING_TYPE): Likewise.
6924         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6925         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6926         (PREFERRED_DEBUGGING_TYPE): Likewise.
6927         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6928         (PREFERRED_DEBUGGING_TYPE): Likewise.
6929         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6930
6931 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6932
6933         PR target/18701
6934         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6935
6936 2005-01-20  Paul Brook  <paul@codesourcery.com>
6937
6938         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6939
6940 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6941
6942         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6943         label is first in a sequence of labels.
6944
6945         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6946
6947 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6948             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6949
6950         * doc/sourcebuild.texi (Test Directives): New.
6951
6952 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6953
6954         * real.c (real_floor): Don't leave the result uninitialized when
6955         mode is VOIDMode, but return the unrounded intermediate value.
6956         (real_ceil): Likewise.
6957
6958 2005-01-20  Paul Brook  <paul@codesourcery.com>
6959
6960         * config/arm/arm.md (insv): Use gen_int_mode.
6961
6962 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6963
6964         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6965         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6966         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6967         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6968         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6969
6970 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6971
6972         Fix PR debug/19124
6973         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6974         fbreg, so we have to assume we can't.
6975         (loc_descriptor_from_tree_1): Ditto.
6976         (containing_function_has_frame_base): New function.
6977         (add_location_or_const_value_attribute): Use it.
6978         Also try to generate a frame_base from a single element location
6979         list.
6980
6981 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6982
6983         PR tree-optimization/15349
6984         * timevar.def (TV_TREE_MERGE_PHI): New.
6985         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6986         PHI_WANTED.
6987         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6988         calls to tree_forwarder_block_p.
6989         (remove_forwarder_block_with_phi, merge_phi_nodes,
6990         gate_merge_phi, pass_merge_phi): New.
6991         * tree-optimize.c (init_tree_optimization_passes): Add
6992         pass_merge_phi.
6993         * tree-pass.h: Add an extern for pass_merge_phi;
6994
6995 2005-01-20  Richard Henderson  <rth@redhat.com>
6996
6997         PR target/19418
6998         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6999         (_mm_castps_pd, _mm_castps_si128): New.
7000         (_mm_castsi128_ps, _mm_castsi128_pd): New.
7001
7002 2005-01-20  Richard Henderson  <rth@redhat.com>
7003
7004         PR target/19530
7005         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
7006         __builtin_ia32_vec_init_v2si.
7007         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
7008         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
7009         (ix86_init_mmx_sse_builtins): Create it.
7010         (ix86_expand_builtin): Expand it.
7011         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
7012         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
7013         (vec_extractv2si_0, vec_extractv2si_1): New.
7014
7015 2005-01-20  Richard Henderson  <rth@redhat.com>
7016
7017         PR target/16533
7018         * config/i386/i386.c (ix86_expand_push): New.
7019         * config/i386/mmx.md (push<MMXMODE>1): New.
7020         * config/i386/sse.md (push<SSEMODE>1): New.
7021         * config/i386/i386-protos.h: Update.
7022
7023 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7024
7025         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
7026         copyright.
7027
7028 2005-01-20  Richard Henderson  <rth@redhat.com>
7029
7030         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
7031         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
7032
7033 2005-01-19  Richard Henderson  <rth@redhat.com>
7034
7035         PR target/19350
7036         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
7037         to V4SFmode in SSE1 fallback load path.
7038
7039 2005-01-19  Richard Henderson  <rth@redhat.com>
7040
7041         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
7042         in QImode expansion to ix86_expand_vector_set.
7043         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
7044
7045 2005-01-19  Richard Henderson  <rth@redhat.com>
7046
7047         PR target/19511
7048         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
7049         subclass of the input class.
7050         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
7051         Always true for cross-SSE1 classes.  Rationalize conditionals.
7052         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
7053         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
7054         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
7055         (movdi_2): Add MMX/SSE zeros.
7056         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
7057         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
7058         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7059         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
7060         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
7061         (zero_extendsidi2_rex64_1): Remove.
7062         (MOV0 peephole): Check GENERAL_REG_P.
7063
7064 2005-01-19  Richard Henderson  <rth@redhat.com>
7065
7066         PR target/19427
7067         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
7068         shufps elements.
7069         (ix86_expand_vector_extract): Likewise.
7070
7071 2005-01-19  Richard Henderson  <rth@redhat.com>
7072
7073         PR middle-end/19304
7074         * expr.c (emit_move_change_mode): New argument force; use
7075         simplify_gen_subreg if true.
7076         (emit_move_via_alt_mode): Merge into ...
7077         (emit_move_via_integer): ... here.
7078         (emit_move_ccmode): Use emit_move_change_mode directly.
7079
7080 2005-01-19  Richard Henderson  <rth@redhat.com>
7081
7082         PR target/19518
7083         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
7084         (alpha_preferred_reload_class): Handle CONST_VECTOR.
7085         (alpha_emit_set_const_1): Add no_output parameter; don't emit
7086         rtl if true.
7087         (alpha_emit_set_const): Likewise.  Make static.
7088         (alpha_emit_set_long_const): Make static.
7089         (alpha_extract_integer): Split out from alpha_expand_mov.
7090         (alpha_split_const_mov): Likewise.
7091         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
7092         (alpha_legitimate_constant_p): New.
7093         * config/alpha/alpha-protos.h: Update.
7094         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
7095         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
7096         * config/alpha/alpha.md (movsi): Add n alternative.
7097         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
7098         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
7099         (splitters for all of the above): Use alpha_split_const_mov.
7100         * config/alpha/predicates.md (non_add_const_operand): New.
7101         (non_zero_const_operand): New.
7102         (input_operand): Use alpha_legitimate_constant_p after reload.
7103
7104 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7105
7106         PR tree-optimization/19038
7107         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
7108         (add_candidate): Add ivs with increment in latch only if
7109         allow_ip_end_pos_p is true.
7110         (determine_iv_cost): Use empty_block_p.
7111
7112 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
7113
7114         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
7115         (compute_dominance_frontiers): Ditto.
7116
7117 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
7118
7119         PR target/19529
7120         * config/sh/t-rtems: New.
7121         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
7122
7123 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7124
7125         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
7126         the offset of the selected field.
7127
7128 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
7129
7130         * tree-cfg.c (remove_forwarder_block): Fix the check to
7131         prevent a nonlocal label from appearing in the middle of a
7132         basic block.
7133
7134 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
7135
7136         PR rtl-optimization/19462
7137         * reorg.c (find_end_label): Create return insn only if
7138         current_function_epilogue_delay_list is empty.
7139
7140 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
7141
7142         * doc/passes.texi: Remove paragraph mentioning new-ra.
7143
7144 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
7145
7146         PR rtl-optimization/15139
7147         * combine.c: Include params.h.
7148         (count_rtxs): New function.
7149         (record_value_for_reg): If replace_rtx would replace at least
7150         2 occurrences of REG in VALUE and TEM is really large, replace REG with
7151         (clobber (const_int 0)) instead of TEM.
7152         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
7153         * params.h (MAX_LAST_VALUE_RTL): New.
7154         * Makefile.in (combine.o): Depend on $(PARAMS_H).
7155         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
7156
7157         PR c/17297
7158         * c-typeck.c (digest_init): Only call build_vector if all constructor
7159         elements are *_CST nodes.
7160         * gimplify.c (gimplify_init_constructor): Likewise.
7161
7162         PR middle-end/19164
7163         * c-typeck.c (digest_init): Only call build_vector if inside_init
7164         is a CONSTRUCTOR.
7165
7166 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7167
7168         * toplev.c (init_asm_output): Remove dead #ifdef.
7169
7170 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
7171
7172         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
7173
7174 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7175
7176         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
7177         accessing DECL_FUNCTION_CODE.
7178         * dojump.c (do_jump): Likewise.
7179         * gimplify.c (gimplify_call_expr): Likewise.
7180         * predict.c (expr_expected_value): Likewise.
7181         (strip_builtin_expect): Likewise.
7182         * tree-inline.c (estimate_num_insns_1): Likewise.
7183         * tree-ssa-loop-im.c (stmt_cost): Likewise
7184         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
7185         (tree_expr_nonnegative_p): Likewise.
7186
7187 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7188
7189         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
7190         variant of the load_pcrel_sym pattern.
7191         * config/sparc/sparc.md (P macro): Move to the top.
7192         (load_pcrel_sym): Macroize using P.
7193         (save_register_window): Likewise.
7194
7195 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
7196
7197         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
7198         ("sordered"): Same.
7199
7200 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
7201
7202         PR C/19472
7203         * c-typeck.c (build_asm_expr): Strip nops off
7204         input memory operands.
7205
7206 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
7207
7208         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
7209         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
7210         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
7211         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
7212
7213 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
7214
7215         PR target/19379
7216         * config/i386/i386.c (override_options): If the 80387 is disabled,
7217         then do not return FP values using FP registers.
7218
7219 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
7220
7221         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
7222         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
7223         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
7224         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
7225         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
7226         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
7227         output.h, postreload-gcse.c, postreload.c, recog.c,
7228         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
7229         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
7230         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
7231         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
7232         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
7233         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
7234         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
7235         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
7236
7237         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
7238         config/alpha/alpha.c, config/arm/vfp.md,
7239         config/i386/emmintrin.h, config/i386/i386-modes.def,
7240         config/i386/i386-protos.h, config/i386/i386.h,
7241         config/i386/pmmintrin.h, config/i386/ppro.md,
7242         config/i386/predicates.md, config/i386/xmmintrin.h,
7243         config/i860/i860.c, config/ia64/ia64-modes.def,
7244         config/ia64/ia64-protos.h, config/ia64/ia64.h,
7245         config/ia64/ia64.md, config/ia64/itanium1.md,
7246         config/ia64/itanium2.md, config/ia64/predicates.md,
7247         config/iq2000/iq2000.h, config/mips/linux64.h,
7248         config/rs6000/aix41.h, config/rs6000/aix43.h,
7249         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7250         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7251         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7252         config/sparc/linux64.h, config/sparc/litecoff.h,
7253         config/sparc/sp64-elf.h, config/sparc/sparc.c,
7254         config/sparc/sparc.h, config/sparc/sparc.md,
7255         config/sparc/sysv4-only.h: Update copyright.
7256
7257 2005-01-18  Richard Henderson  <rth@redhat.com>
7258
7259         PR target/19496
7260         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7261
7262 2005-01-18  Marc Espie  <espie@openbsd.org>
7263         * config/i386/openbsdelf.h: Typo.
7264
7265 2005-01-18  Richard Henderson  <rth@redhat.com>
7266
7267         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7268         special case for sse.
7269         * config/i386/predicates.md (sse_comparison_operator): Likewise.
7270
7271 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
7272
7273         * tree-inline.c (estimate_num_insns_1): Added cases for
7274         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7275
7276 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7277
7278         PR rtl-optimization/19296
7279         * combine.c (simplify_comparison): Rewrite the condition under
7280         which a non-paradoxical SUBREG of a PLUS can be lifted when
7281         compared against a constant.
7282
7283 2005-01-18  Andi Kleen <ak@muc.de>
7284
7285         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7286         * c.opt (-Wpointer-sign): Add.
7287         * doc/invoke.texi: (-Wpointer-sign): Add.
7288
7289 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7290
7291         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7292         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7293         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7294         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7295         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7296         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7297         for TARGET_MIX_SSE_I387.
7298         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7299         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7300         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7301         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7302         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7303         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7304         TARGET_MIX_SSE_I387.
7305         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7306         from expander.
7307
7308 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7309
7310         PR target/19424
7311         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7312         Add movaps alternative for xmm reg->reg move.
7313
7314 2005-01-17  Jeff Law  <law@redhat.com>
7315
7316         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7317         at the end of the main DOM loop rather than just before DOM exits.
7318
7319 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7320
7321         PR tree-optimization/19121
7322         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7323         adding aliases to a name tag, also add them to the pointer's
7324         type tag.
7325         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7326         sensitive alias info at all.  Only check that the two pointers
7327         have compatible pointed-to sets.
7328         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7329         a pointer's type tag is a superset of the alias set of the
7330         pointer's name tag.
7331
7332 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7333
7334         PR target/19357
7335         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7336         comment to document why.
7337
7338 2005-01-17  Richard Henderson  <rth@redhat.com>
7339
7340         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7341         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7342         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7343         sse2_vmsminv2df3_finite): New.
7344         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7345         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7346         Force op1 into register.
7347
7348 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7349
7350         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7351         bubblestrap from always rebuilding build directory.
7352
7353 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7354
7355         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7356         ("*cmpmem_short"): Likewise.
7357
7358 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7359
7360         * basic-block.h: Document BB_* flags.
7361         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7362         use an sbitmap instead.
7363         * sched-rgn.c (compute_trg_info): Likewise.
7364
7365 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7366
7367         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7368         redundant target_cpu_default and extra_parts lines.  Use the default
7369         "from-abi" ISA.
7370         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7371         (SUBTARGET_EXTRA_SPECS): Delete.
7372         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7373         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7374         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7375         and "n32" for -mabi=n32.
7376
7377 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7378
7379         PR c/5675
7380         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7381         fold constant variables into initial values.
7382
7383 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7384
7385         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7386
7387         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7388         through the statements backward.
7389
7390 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7391
7392         PR middle-end/13127:
7393         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7394         a variable set to the return value of the inlined function.
7395
7396 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7397
7398         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7399         when modes are tieable.
7400
7401 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7402
7403         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7404         of pthread_create to find out if threads are enabled.
7405         * gthr-posix95.h (__gthread_active_p): Likewise.
7406
7407 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7408
7409         * common.opt (-fnew-ra): Remove.
7410         * ra*.*: Remove.
7411         * toplev.h (flag_new_regalloc): Remove.
7412         * Makefile.in (ra*.*): Don't mention.
7413         * passes.c (rest_of_handle_new_regalloc): Remove.
7414         (rest_of_handle_combine, rest_of_compilation): Always consider
7415         flag_new_regalloc as false.
7416         * doc/invoke.texi: Don't document -fnew-ra.
7417
7418 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7419
7420         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7421         last parameter to reg_scan.
7422         * loop.c (loop_optimize): Likewise.
7423         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7424         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7425         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7426         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7427         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7428         * regclass.c (reg_scan): Likewise, for the declaration.
7429         * rtl.h (reg_scan): Likewise, for the prototype.
7430
7431 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7432
7433         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7434         mark_dfs_back_edges.
7435
7436 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7437
7438         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7439         (compute_avail): Uses don't go in tmp_gen.
7440
7441 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7442
7443         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7444         loop to look for a free slot in a page entry.
7445
7446 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7447
7448         PR target/16304
7449         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7450         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7451         just before targetm.asm_out.file_end.
7452         * tree.h (process_pending_assemble_output_defs): Declare.
7453         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7454         New functions.
7455         (assemble_alias): Defer generation of assembly code for defines when
7456         TARGET_DEFERRED_OUTPUT_DEFS is true.
7457         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7458         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7459         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7460
7461 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7462
7463         PR target/19336
7464         * pa.c (pa_scalar_mode_supported_p): New function.
7465         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7466         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7467
7468         * pa-protos.h (prefetch_operand): Delete.
7469         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7470         * pa.c (prefetch_operand): Delete.
7471         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7472         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7473         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7474         and prefetch_nocc_operand.
7475         * pa.md (prefetch): Rework to avoid reload problems handling short
7476         displacements when a cache control completer needs to be provided.
7477         (prefetch_32, prefetch_64): Delete.
7478         (prefetch_cc, prefetch_nocc): New patterns.
7479
7480 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7481
7482         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7483
7484 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7485
7486         PR ada/19388
7487         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7488         exceeds maximum alignment for global common data.
7489         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7490         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7491
7492 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7493
7494         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7495
7496 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7497
7498         * harg-reg-set.h (reg_class_names): Prototype global array.
7499         * regclass.c (reg_class_names): Declare here and initialize to
7500         REG_CLASS_NAMES.
7501         (dump_regclass): Remove local declaration of reg_class_names.
7502         (regclass): Likewise.
7503         * cfg.c (dump_flow_info): Likewise.
7504         * ra-debug.c (reg_class_names): Likewise.
7505         * regrename.c (reg_class_names): Likewise.
7506         * reload.c (reg_class_names): Likewise.
7507         * reload1.c (spill_failure): Likewise.
7508         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7509
7510 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7511
7512         * config/s390/s390.md ("reload_outti"): Remove predicate for
7513         output operand.  Abort if operand is not a MEM.
7514         ("reload_outdi", "reload_outdf"): Likewise.
7515
7516 2005-01-15  Marc Espie  <espie@openbsd.org>
7517
7518         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7519         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7520         * config/openbsd.h:  Fix C++ includes for native configurations.
7521         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7522         Add trampoline support.
7523         * config/i386/openbsdelf.h: New.
7524
7525 2005-01-15  Marc Espie  <espie@openbsd.org>
7526
7527         * collect2.c (main): Explicitly parse -dynamic-linker option.
7528
7529 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7530
7531         PR tree-optimization/19060
7532         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7533         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7534         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7535         and handle extract_range_from_cond returning false.
7536         * fold-const.c (fold): Optimize comparisons with min/max even for
7537         width > HOST_BITS_PER_WIDE_INT.
7538
7539 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7540
7541         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7542         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7543         Remove little endian multilib variants.
7544         Add mips32 multilib variant.
7545
7546 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7547
7548         * explow.c (copy_all_reg, stabilize): Remove.
7549         * expr.h: Remove the corresponding prototypes.
7550
7551         * rtlanal.c (regs_set_between_p): Remove.
7552         * rtl.h: Remove the corresponding prototype.
7553
7554 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7555
7556         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7557         to rs6000_nonimmediate_operand.
7558         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7559         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7560         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7561         rs6000_nonimmediate_operand.
7562         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7563         rs6000_nonimmediate_operand.
7564
7565 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7566
7567         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7568
7569 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7570
7571         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7572         on e500v2.
7573         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7574         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7575
7576         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7577         (rs6k_nonimmediate_operand): New.
7578         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7579         correctly.
7580         (legitimate_lo_sum_address_p): Same.
7581         (rs6000_legitimize_address): Same.
7582         (rs6000_legitimize_reload_address): Same.
7583         (rs6000_legitimate_address): Same.
7584         (spe_build_register_parallel): Pass DF and DC modes in a DI
7585         register.
7586
7587         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7588         to rs6k_nonimmediate_operand.
7589
7590         * config/rs6000/spe.md ("*frob_df_di"): New.
7591         ("*frob_di_df"): New.
7592         ("*frob_di_df_2"): New.
7593         ("*mov_sidf_e500_subreg0"): New.
7594         ("*mov_sidf_e500_subreg4"): New.
7595         ("*movdf_e500_double"): Change predicate to
7596         rs6k_nonimmediate_operand.
7597
7598 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7599
7600         * postreload.c (move2add_note_store): Only call
7601         trunc_int_for_mode on scalar integers.
7602
7603 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7604
7605         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7606         replace BB_VISITED uses.
7607         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7608         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7609         (tree_dce_done): Free visited_control_parents.
7610         (perform_tree_ssa_dce): Allocate and clear it.
7611         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7612         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7613         instead of BB_VISITED.
7614
7615 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7616
7617         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7618         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7619         Remove unused prototypes.
7620
7621 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7622
7623         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7624         64-bit register usage.
7625         (spe_func_has_64bit_regs_p): Add FIXME note.
7626
7627 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7628
7629         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7630         flag_finite_math_only with flag_unsafe_math_optimizations.
7631
7632 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7633
7634         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7635         end-of-stack check.
7636         (__tpf_eh_return): Copy TPF private stack area from the module
7637         boundary stack frame.  Add check for when module addresses are
7638         equal, but no stub address is found.
7639
7640 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7641
7642         PR target/7525
7643         * arm.h (struct machine_function): Add call_via field.
7644         (thumb_call_via_label): Declare.
7645         * arm.c (thumb_call_via_label): New variable.
7646         (thumb_call_reg_needed): New variable.
7647         (arm_output_function_epilogue): For Thumb code, output any per-function
7648         call-indirect trampolines.
7649         (thumb_call_via_reg): New function.
7650         (arm_file_end): New function.
7651         (TARGET_ASM_FILE_END): Call arm_file_end.
7652         (aof_file_end): Likewise.
7653         * arm-protos.h (thumb_call_via_reg): Declare.
7654         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7655         thumb_call_via_reg in normal case.
7656
7657 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7658
7659         PR middle-end/19084
7660         PR rtl-optimization/19348
7661         * recog.c (peephole2_optimize): Do global life update if some peephole
7662         decides it doesn't need at least one of its inputs and that change
7663         influences liveness at the start of the basic block.
7664
7665         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7666         arguments instead of 1.
7667
7668 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7669
7670         PR middle-end/18820
7671         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7672         zero for nested functions needing a static chain or functions
7673         with a non-constant address.
7674
7675 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7676
7677         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7678         (and (sign_extend X) C) into (zero_extend (and X C)).
7679
7680 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7681
7682         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7683
7684 2005-01-13  Richard Henderson  <rth@redhat.com>
7685
7686         PR target/19009
7687         PR target/19250
7688         PR target/19252
7689         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7690         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7691         not just TARGET_SSE.
7692         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7693         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7694         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7695         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7696         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7697         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7698         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7699         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7700         (movdicc_c_rex64): Rename with '*'.
7701         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7702         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7703         (movsfcc_1_387): Rename from movsfcc_1.
7704         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7705         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7706         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7707         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7708         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7709         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7710         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7711         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7712         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7713         sse_movdfcc_const0_4): Remove.
7714         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7715         recognize min/max early.  Update for changed sse cmove patterns.
7716         (ix86_split_sse_movcc): New.
7717         * config/i386/i386-protos.h: Update.
7718
7719 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7720
7721         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7722         (fix_stmt_v_may_defs): Likewise.
7723
7724 2005-01-13  Richard Henderson  <rth@redhat.com>
7725
7726         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7727         for converting the mask.
7728
7729 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7730
7731         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7732         definition to 600.
7733
7734 2005-01-13  Richard Henderson  <rth@redhat.com>
7735
7736         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7737         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7738         IX86_BUILTIN_MOVDQ2Q): Remove.
7739         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7740         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7741         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7742         shuffling.
7743         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7744         (sse2_pextrw): Fix immediate constraint.
7745         (sse2_loadq, sse2_loadq_rex64): Remove.
7746         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7747         Use __builtin_ia32_vec_ext_<size>.
7748         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7749
7750 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7751
7752         * function.c (assign_parm_setup_block): Look inside original
7753         entry_parm when inspecting PARALLEL.
7754
7755 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7756             Joel Sherrill  <joel@oarcorp.com>
7757
7758         PR target/19399
7759         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7760         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7761         rtems_gxx_recursive_mutex_init.
7762         (__gthread_recursive_mutex_lock): New function.
7763         (__gthread_recursive_mutex_trylock): Likewise.
7764         (__gthread_recursive_mutex_unlock): Likewise.
7765
7766 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7767
7768         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7769
7770 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7771
7772         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7773         (ashrti3_internal): Indicate output is early clobber. Generate result
7774         into output rather than first input. Use move for low word of output
7775         if shift count is exactly 64.
7776         (lshrti3_internal): Likewise.
7777
7778 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7779
7780         PR target/18329
7781         PR target/18330
7782         * reload1.c (delete_output_reload): Don't delete an output reload
7783         if the pseudo lives longer than a single basic block.  Adjust and
7784         improve wording of comment.
7785
7786 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7787
7788         PR target/19334
7789         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7790         of TYPE_SIZE where we mean the number of bytes.
7791
7792 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7793
7794         * function.c (assign_parm_setup_block): Relax condition on
7795         multi-register optimization.
7796
7797 2005-01-12  Nick Clifton  <nickc@redhat.com>
7798
7799         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7800         an "in_delay_slot" attribute of "no" to prevent them being used in
7801         delay slots.  This is forbidden because they might generate
7802         exceptions.
7803
7804 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7805
7806         PR target/19389
7807         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7808         with r->Y and Y->r.
7809
7810 2005-01-12  Nick Clifton  <nickc@redhat.com>
7811
7812         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7813         passed on to GAS) but do not define, as GAS no longer supports or
7814         needs the -m2000 option.
7815
7816 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7817
7818         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7819         type as args of unprototyped builtins aren't automatically promoted.
7820         (fold_builtin_abs): Likewise.
7821
7822 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7823
7824         * Makefile.in: Set a `build-warn' variable.
7825
7826 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7827
7828         PR tree-optimization/17949
7829         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7830         (find_interesting_uses_address): Use it.
7831
7832 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7833
7834         * regrename.c (kill_value): Handle subreg's that won't simplify.
7835
7836 2005-01-11  Richard Henderson  <rth@redhat.com>
7837
7838         PR target/13366
7839         * config/i386/i386.h (enum ix86_builtins): Move ...
7840         * config/i386/i386.c: ... here.
7841         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7842         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7843         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7844         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7845         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7846         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7847         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7848         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7849         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7850         IX86_BUILTIN_LOADDDUP): Remove.
7851         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7852         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7853         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7854         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7855         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7856         (ix86_init_builtins): Make static.
7857         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7858         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7859         if all the modes match.  Otherwise, fake it.
7860         (get_element_number, ix86_expand_vec_init_builtin,
7861         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7862         (ix86_expand_builtin): Make static.  Update for changed builtins.
7863         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7864         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7865         (ix86_expand_vector_init_duplicate): New.
7866         (ix86_expand_vector_init_low_nonzero): New.
7867         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7868         Split out from ix86_expand_vector_init; handle integer modes.
7869         (ix86_expand_vector_init): Use them.
7870         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7871         * config/i386/i386-protos.h: Update.
7872         * config/i386/predicates.md (reg_or_0_operand): New.
7873         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7874         (movv2sf_internal): Likewise.  And a splitter to match them all.
7875         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7876         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7877         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7878         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7879         (mmx_pinsrw): Fix operand ordering.
7880         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7881         rather than sse_loadss expander.
7882         (movv2df splitter): Similarly.
7883         (sse_loadss, sse_loadlss): Remove.
7884         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7885         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7886         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7887         (sse3_movddup): Rename with '*'.
7888         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7889         (sse2_loadsd): Remove.
7890         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7891         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7892         (sse2_pinsrw): Fix argument ordering.
7893         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7894         (sse2_stored): Remove 'r' destination.
7895         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7896         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7897         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7898         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7899         vec_extractv16qi, vec_initv16qi): New.
7900
7901         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7902         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7903         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7904         constructor form.
7905         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7906         (_mm_load_si128, _mm_store_si128): Likewise.
7907         (_mm_load1_pd): Use _mm_set1_pd.
7908         (_mm_load_sd): Use _mm_set_sd.
7909         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7910         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7911         (_mm_set_epi64): Use _mm_set_epi64x.
7912         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7913         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7914         _mm_setr_epi8): Use _mm_set_foo form.
7915         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7916         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7917         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7918         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7919         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7920         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7921         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7922         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7923         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7924         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7925         (_mm_movedup_pd): Use _mm_shuffle_pd.
7926         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7927         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7928         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7929         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7930         Use _mm_setzero_ps.
7931         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7932         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7933         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7934         (_mm_store_ps): Use raw dereference.
7935         (_mm_store1_ps): Use _mm_storeu_ps.
7936         (_mm_storer_ps): Use _mm_store_ps.
7937         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7938         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7939
7940 2005-01-11  Stan Shebs  <shebs@apple.com>
7941
7942         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7943         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7944
7945 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7946
7947         PR target/18761
7948         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7949         Skip all DECLs except for FIELD_DECLs.
7950
7951 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7952
7953         * config/s390/s390.c (override_options): Return error if
7954         -mbackchain, -mpacked-stack and -mhard-float are used together.
7955         (s390_va_start): Remove the backchain && packed-stack special case.
7956         (s390_gimplify_va_arg): Likewise.
7957         * doc/invoke.texi: Remove the ABI incompatibility note.
7958
7959 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7960
7961         * config/s390/s390.c (struct s390_frame_layout): Remove
7962         save_backchain_p.
7963         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7964         save_backchain_p with TARGET_BACKCHAIN.
7965
7966 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7967
7968         PR target/18916
7969         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7970         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7971         * function.c (locate_and_pad_parm): Set new field.
7972         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7973         Tweak where_pad test to include "none".  Always set mem align for
7974         stack_parm.
7975         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7976         not sufficient for type.
7977         (assign_parm_setup_block): If stack_parm is zero on entry, always
7978         make a new stack local.  Block move old stack parm if necessary
7979         to new aligned stack local.
7980         (assign_parm_setup_stack): Use a block move to handle
7981         potentially misaligned entry_parm.
7982         (assign_parms_unsplit_complex): Specify required alignment when
7983         creating stack local.
7984         * calls.c (compute_argument_addresses): Override alignment of stack
7985         arg calculated from its type with the alignment given by
7986         FUNCTION_ARG_BOUNDARY.
7987         (store_one_arg): Likewise.
7988
7989 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7990
7991         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7992         Change respective itanium_class attribute to ialu.
7993         (shladdp4_internal): New.
7994         * config/ia64/predicates.md (shladd_log2_operand): New.
7995
7996 2005-01-11  Richard Henderson  <rth@redhat.com>
7997
7998         * expr.c (store_constructor): Use rtvec_alloc instead of
7999         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
8000
8001 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
8002
8003         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
8004
8005 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8006
8007         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
8008         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
8009         (TARGET_RWRELOC): Define.
8010         (ia64_rwreloc_section_type_flags): Delete.
8011         (ia64_section_type_flags): New function.
8012         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
8013         (TARGET_RWRELOC): Define.
8014
8015 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
8016
8017         PR target/18987
8018         * config/ia64/ia64.c (process_set): For alloc insn, only call
8019         process_epilogue is !frame_pointer_needed.
8020
8021 2005-01-10  Roger Sayle  <roger@eyesopen.com>
8022
8023         PR c++/19355
8024         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
8025         unary operator and can't be treated as a binary/comparison operator.
8026
8027 2005-01-10  Richard Henderson  <rth@redhat.com>
8028
8029         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
8030         (ix86_return_in_memory): Likewise.
8031         (function_arg_advance):  Likewise.  Mirror structure in function_arg
8032         for choosing register to advance.
8033
8034 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
8035
8036         * tree-vectorizer.c, tree.def: Fix comment typos.
8037
8038 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
8039
8040         * config/s390/s390.c (struct processor_costs): 4 new fields:
8041         ddbr, ddr, debr, der.
8042         (s390_rtx_costs): More precise handling of divide instructions.
8043
8044 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
8045
8046         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
8047
8048 2005-01-10  Jan Beulich  <jbeulich@novell.com>
8049
8050         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
8051         names resulting from -ffunction-sections/-fdata-sections and linkonce
8052         ones.
8053         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
8054         based on the section name. Rearrange the section name comparison logic
8055         slightly so that each section name is compared against at most once.
8056
8057 2005-01-10  Ben Elliston  <bje@au.ibm.com>
8058
8059         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
8060         targets for which -fPIC reduces limitations on the GOT size.
8061
8062 2005-01-09  Falk Hueffner  <falk@debian.org>
8063
8064         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
8065         X/C1 cmpop C2.
8066
8067 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
8068
8069         PR target/18720
8070         * collect2.c (main): Set aixrtl_flag for -brtl option.
8071         (resolve_lib_name): Search for .so file extension before .a
8072         if aixrtl_flag set.
8073
8074 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
8075
8076         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
8077         (vect_analyze_data_refs_alignment): Add dump prints.
8078
8079 2005-01-09  Ira Rosen  <irar@il.ibm.com>
8080
8081         * tree-vectorizer.c (vect_analyze_offset_expr): Use
8082         expr_invariant_in_loop_p.
8083         Initialize outputs first thing in the function.
8084         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
8085         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
8086         (vect_analyze_pointer_ref_access): Check that the initial condition of
8087         the access function is loop invariant.
8088
8089 2005-01-09  Richard Henderson  <rth@redhat.com>
8090
8091         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
8092         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
8093         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
8094         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
8095         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
8096         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
8097         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
8098         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
8099         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
8100         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8101         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8102         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
8103         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
8104         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
8105         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
8106         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
8107         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8108         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8109         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
8110         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
8111         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
8112         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
8113         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
8114         mmx_ prefix.
8115         (mmx_clrdi, pavgusb): Remove.
8116         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
8117         with leading sse_ prefix.
8118         * config/i386/sse.md: Receive them.
8119         * config/i386/mmx.md: New file.
8120         (MMXMODE12, MMXMODE24, mmxvecsize): New.
8121         (subrv2sf3): Turn into expander for normal subtraction.
8122         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
8123         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
8124         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
8125         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
8126         commutative; use ix86_binary_operator_ok.
8127         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
8128         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
8129         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
8130         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
8131         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
8132         Macroize from existing patterns; use ix86_binary_operator_ok.
8133         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
8134         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
8135         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
8136         with vec_select+vec_concat.
8137         (mmx_pshufw, mmx_pshufw_1): Likewise.
8138         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
8139         (mmx_uavgv4hi3): Model correctly.
8140         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
8141         _mm_xor_si64): Remove casts.
8142
8143 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
8144
8145         PR tree-optimization/19224
8146         * tree-scalar-evolution.c (get_instantiated_value,
8147         set_instantiated_value): New functions.
8148         (instantiate_parameters_1): Cache the results.
8149         (instantiate_parameters, resolve_mixers): Initialize and free
8150         the cache.
8151
8152 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
8153
8154         * config/i386/i386.md (addhi_4): Correct reference in comment.
8155         (addqi_4): Same.
8156
8157 2005-01-08  Richard Henderson  <rth@redhat.com>
8158
8159         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
8160         (_mm_cvtsi128_si64x): Likewise.
8161         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
8162         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
8163         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
8164         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
8165         * config/i386/i386-protos.h: Update.
8166         * config/i386/i386.c (print_operand): Add 'H'.
8167         (ix86_fixup_binary_operands): Split out from ...
8168         (ix86_expand_binary_operator): ... here.
8169         (ix86_fixup_binary_operands_no_copy): New.
8170         (ix86_expand_fp_absneg_operator): Handle vector mode results.
8171         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
8172         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
8173         (safe_vector_operand): Use CONST0_RTX.
8174         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
8175         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
8176         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
8177         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
8178         special cases.
8179         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
8180         (IX86_BUILTIN_CMPNGESS): New.
8181         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
8182         (attr type): Add sselog1.
8183         (attr unit, attr memory): Handle it.
8184         (movti, movti_internal, movti_rex64): Move near other integer moves.
8185         (movtf, movtf_internal): Move near other fp moves.
8186         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
8187         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
8188         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
8189         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
8190         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
8191         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
8192         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
8193         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
8194         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
8195         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
8196         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
8197         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
8198         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8199         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8200         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
8201         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
8202         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
8203         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
8204         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
8205         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
8206         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
8207         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
8208         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
8209         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
8210         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
8211         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
8212         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
8213         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
8214         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
8215         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
8216         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
8217         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
8218         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
8219         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
8220         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
8221         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
8222         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
8223         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
8224         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
8225         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
8226         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
8227         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
8228         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
8229         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
8230         same time.
8231         (SSEPUSH, push<SSEPUSH>): Remove.
8232         (MMXPUSH, push<MMXPUSH>): Remove.
8233         (sse_movaps, sse_movaps_1, sse_movups): Remove.
8234         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
8235         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
8236         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
8237         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
8238         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
8239         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
8240         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8241         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8242         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8243         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8244         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
8245         (ppro_sse_log_V4SF): Handle sselog1.
8246         * config/i386/predicates.md (const_0_to_1_operand): New.
8247         (const_0_to_255_mul_8_operand): New.
8248         (const_1_to_31_operand): Rename from const_int_1_31_operand.
8249         (const_2_to_3_operand, const_4_to_7_operand): New.
8250         * config/i386/sse.md: New file.
8251         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8252         (sse_movups): Rename from sse_movups_1.
8253         (sse_loadlss): Rename from sse_loadss_1.
8254         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8255         from the name.
8256         (negv4sf2): Use ix86_expand_fp_absneg_operator.
8257         (absv4sf2, negv2df, absv2df): New.
8258         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8259         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8260         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8261         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8262         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8263         (sse3_addsubv4sf3): Model correctly.
8264         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8265         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8266         (sse_movhlps): Model with vec_select+vec_concat.
8267         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8268         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8269         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8270         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8271         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8272         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8273         sse2_pshufhw_1): Likewise.
8274         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8275         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8276         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8277         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8278         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8279         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8280         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8281         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8282         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8283         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8284         sminv8hi3): Mark commutative
8285         operands.  Use ix86_binary_operator_ok.
8286         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8287         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8288         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8289         sse2_punpcklqdq): Allow operand2 in memory.
8290         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8291         sse2_movsd): Add memory alternatives.
8292         (sse_storelps): Turn expander into an insn; split after reload.
8293         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8294         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8295
8296 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8297
8298         * configure.ac (DWARF-2 debug_line): Use objdump.
8299         * configure: Regenerate.
8300
8301 2005-01-08  Jeff Law  <law@redhat.com>
8302             Diego Novillo  <dnovillo@redhat.com>
8303
8304         PR tree-optimization/18241
8305         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8306         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8307         statements with volatile operands.
8308         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8309         operands after marking a statement with has_volatile_ops.
8310
8311 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8312
8313         * tree.c (int_fits_type_p): Always honor integer constant
8314         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8315
8316 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8317
8318         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8319         the latent bug in rtl_delete_block has been resolved.
8320
8321 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8322
8323         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8324         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8325
8326 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8327
8328         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8329         library as @multilib_dir@/$(SHLIB_SONAME).
8330
8331 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8332
8333         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8334         * configure: Regenerate.
8335
8336 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8337
8338         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8339         TYPE_MODE.
8340
8341 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8342
8343         PR target/13674
8344         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8345         Convert non-word aligned offset address using ld/std into
8346         indirect address.
8347
8348 2005-01-07  Richard Henderson  <rth@redhat.com>
8349
8350         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8351
8352 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8353
8354         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8355
8356 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8357
8358         PR tree-optimization/19283
8359         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8360         is not shorter than the original type.
8361
8362         PR rtl-optimization/19012
8363         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8364
8365         PR rtl-optimization/18861
8366         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8367         (FULL_STATE): Define.
8368         (mark_tablejump_edge): New function.
8369         (purge_dead_tablejump_edges): New function.
8370         (find_bb_boundaries): Use it.
8371
8372         PR tree-optimization/18828
8373         * builtins.c (expand_builtin_next_arg): Remove argument and all
8374         the argument checking.
8375         (expand_builtin): Adjust caller.
8376         (expand_builtin_va_start): Likewise.  Remove error for too many
8377         arguments.
8378         (fold_builtin_next_arg): Issue error for too many arguments.
8379         After checking arguments, replace them with magic arguments that
8380         prevent further checking of the args.
8381
8382 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8383
8384         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8385
8386 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8387
8388         PR target/6077
8389         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8390         and %{.S:...} (and their negative variants) to test whether the
8391         input file is assembler or pre-processed-assembler independent of
8392         the actual filename extension.
8393
8394 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8395
8396         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8397         of sign or zero extended values.
8398
8399 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8400
8401         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8402         for IBM long double format correctly.
8403
8404 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8405
8406         Fix PR tree-optimization/18792
8407
8408         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8409         to first_loop_depth, and use loop depth instead of loop number.
8410         (build_classic_dir_vector): Ditto.
8411         (compute_data_dependences_for_loop): Use depth, not loop number.
8412         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8413         number. Pass in loops, instead of loop numbers.
8414         (gather_interchange_stats): Ditto.
8415         (linear_transform_loops): Ditto.
8416
8417 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8418
8419         PR rtl-opt/13299
8420         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8421         biv_fits_mode_p, extension_within_bounds_p): New functions.
8422         (check_ext_dependent_givs): Use them.
8423
8424 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8425
8426         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8427         more than one barrier, in which case we should delete them all.
8428
8429 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8430
8431         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8432
8433 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8434
8435         Fix PR middle-end/19286
8436         Fix PR debug/19267
8437         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8438         output this subprogram, simply ignore this attempt to do it again.
8439         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8440         origin attribute if it's not possible.
8441         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8442         (decls_for_scope): Ditto.
8443         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8444         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8445
8446 2005-01-05  Richard Henderson  <rth@redhat.com>
8447
8448         PR target/11327
8449         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8450         (bdesc_2arg): Use it.
8451         (ix86_expand_binop_builtin): Force operands into registers
8452         when optimizing.
8453         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8454         ix86_expand_sse_compare, ix86_expand_sse_comi,
8455         ix86_expand_builtin): Likewise.
8456
8457 2005-01-05  Richard Henderson  <rth@redhat.com>
8458
8459         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8460         and VEC_SELECT.
8461         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8462         (mulv4hi3): Set itanium_class mmmul.
8463         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8464         (fpack): Rename from fpack_sfsf.
8465
8466 2005-01-05  Richard Henderson  <rth@redhat.com>
8467
8468         PR rtl-opt/10692
8469         * reload1.c (do_input_reload): Restrict the optimization deleteing
8470         a previous output reload to RELOAD_FOR_INPUT.
8471
8472 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8473
8474         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8475         comment that we fall through after case.
8476         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8477         (distribute_links): Likewise.
8478         * cse.c (cse_insn): Likewise.
8479         * cselib.c (cselib_invalidate_mem): Likewise.
8480         * df.c: Update comments at the top of the file.
8481         (read_modify_subreg_p): Update comments here too.
8482         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8483         * flow.c (mark_set_1): Likewise.
8484         (mark_used_regs): Likewise.
8485         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8486         (canon_list_insert): Likewise.
8487         (mark_set): Likewise.
8488         (try_replace_reg): Likewise.
8489         (store_killed_in_insn): Likewise.
8490         * loop.c (count_one_set): Likewise.
8491         (basic_induction_var): Likewise.
8492         * postreload-gcse.c (find_mem_conflicts): Likewise.
8493         * postreload.c (reload_combine_note_store): Likewise.
8494         (move2add_note_store): Likewise.
8495         * reload.c (find_equiv_reg): Likewise.
8496         (mark_referenced_resources): Likewise.
8497         * rtlanal.c (set_noop_p): Likewise.
8498         (note_stores): Likewise.
8499         (note_uses): Likewise.
8500         * sched-deps.c (sched_analyze_1): Likewise.
8501         * sched-rgn.c (check_live_1): Likewise.
8502         (update_live_1): Likewise.
8503         * config/i860/i860.c: Likewise.
8504
8505         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8506         an lvalue.
8507         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8508
8509         * doc/rtl.texi: Update documentation for bit-fields and SET.
8510
8511 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8512
8513         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8514
8515 2005-01-05  Jan Hubicka  <jh@suse.cz>
8516             Richard Henderson  <rth@redhat.com>
8517
8518         PR target/18910
8519         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8520         with an offset.
8521
8522 2005-01-05  Richard Henderson  <rth@redhat.com>
8523
8524         PR target/12902
8525         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8526         (sse_shufps): Change operand 3 to const_int_operand.
8527         (sse2_storelps): Fix typo in template.
8528         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8529         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8530         (ix86_expand_builtin): Likewise.
8531
8532 2005-01-05  Julian Brown  <julian@codesourcery.com>
8533
8534         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8535         as aggregates for AAPCS ABIs.
8536
8537 2005-01-05  Stan Shebs  <shebs@apple.com>
8538
8539         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8540         Mach-O getters if ppc64.
8541         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8542         size argument.
8543         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8544         signed four-byte field for global code case.
8545         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8546
8547 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8548
8549         PR middle-end/19100
8550         * c-common.c: Include real.h.
8551         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8552         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8553         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8554         * Makefile.in (c-common.o): Update dependencies.
8555
8556 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8557
8558         * c-parse.in (asm_string): Add trailing semicolon.
8559
8560 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8561
8562         * c-parse.in (asm_string): New.  Don't allow wide strings in
8563         'asm'.
8564         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8565         asm_string instead of STRING.
8566
8567 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8568
8569         * c-typeck.c (constructor_no_implicit): Remove.
8570         (set_designator, process_init_element): Don't check
8571         constructor_no_implicit.
8572
8573 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8574             Kaz Kojima  <kkojima@gcc.gnu.org>
8575
8576         PR target/16482
8577         * lcm.c (create_pre_exit): New.
8578         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8579         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8580
8581 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8582
8583         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8584         -msoft-float in target_float_switch.
8585         * arm.c (arm_override_options): Fix processing of target_float_switch.
8586
8587 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8588
8589         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8590         preferencing.
8591
8592 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8593
8594         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8595         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8596
8597 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8598
8599         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8600         if deleting the then-block allows the test-block to fallthru to the
8601         else-block.
8602
8603 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8604
8605         PR c/19152
8606         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8607         after the full declaration if the are in two different TUs.
8608
8609 2005-01-04  Richard Henderson  <rth@redhat.com>
8610
8611         PR tree-opt/19158
8612         * tree-sra.c (generate_one_element_init): Just
8613         call gimplify_and_add.
8614         (generate_element_init): Record the
8615         new referenced variables and mark them for renaming
8616         and split out to ...
8617         (generate_element_init_1): This.
8618         (scalarize_init): Don't call push_gimplify_context/
8619         pop_gimplify_context.
8620
8621 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8622
8623         * toplev.c (get_src_pwd): Handle failure of getpwd().
8624
8625 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8626
8627         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8628         of TRUTH_NOT_EXPR.
8629         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8630         all the cases handled by it are inverted by invert_truthvalue.
8631
8632 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8633
8634         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8635         (save_register_windowsi): Likewise.
8636
8637 2005-01-04  Richard Henderson  <rth@redhat.com>
8638
8639         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8640
8641 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8642
8643         PR middle-end/17767
8644         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8645         any simplifications of vector mode comparison operators.
8646         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8647
8648 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8649             Devang Patel  <dpatel@apple.com>
8650
8651         PR tree-optimization/18308
8652         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8653         the operands before creating a new expression.
8654         * dojump.c (do_jump): Make drop_through_label available
8655         for all cases.  Add expansion of COND_EXPR.
8656
8657 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8658
8659         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8660         INTEGER_CST instead of TREE_CONSTANT.
8661         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8662         instead of TREE_CONSTANT.
8663         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8664         instead of TREE_CONSTANT.
8665
8666 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8667
8668         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8669
8670 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8671
8672         PR target/19240
8673         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8674         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8675
8676 2005-01-03  Richard Henderson  <rth@redhat.com>
8677
8678         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8679         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8680         fold_convert_const_real_from_real): Split out from ...
8681         (fold_convert_const): ... here.
8682
8683 2005-01-03  Richard Henderson  <rth@redhat.com>
8684
8685         PR target/19235
8686         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8687         (mov<MMXMODEI>_internal): Likewise.
8688         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8689         Add V2SF case; use it for SSE1; don't use TI.
8690         (movdf_integer): Likewise.
8691         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8692
8693 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8694
8695         * tree-vectorizer.c (vect_strip_conversions): New function.
8696         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8697         check for binary class.
8698
8699 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8700
8701         Fix PR debug/17924
8702         Fix PR debug/19191
8703         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8704         is a decl.
8705         * gimple-low.c (mark_blocks_with_used_vars): New function.
8706         (mark_blocks_with_used_subblocks): Ditto.
8707         (mark_used_blocks): Ditto.
8708         (pass_mark_used_blocks): New pass.
8709         * tree-inline.c: Include debug.h.
8710         (expand_call_inline): Call outlining_inline_function here.
8711         * tree-optimize.c (init_tree_optimization_passes): Add
8712         pass_mark_used_blocks.
8713         * tree-pass.h (pass_mark_used_blocks): New.
8714         * Makefile.in (tree-inline.o): Add debug.h dependency.
8715
8716 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8717
8718         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8719         VAR_DECLs to have weak_import attribute.
8720
8721         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8722         'struct ucontext'.
8723
8724 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8725
8726         * passes.c (rest_of_compilation): Don't run regmove if only
8727         flag_expensive_optimizations, require flag_regmove instead.
8728
8729 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8730
8731         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8732         register "sparc".
8733         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8734         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8735         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8736         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8737
8738 2005-01-03  Richard Henderson  <rth@redhat.com>
8739
8740         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8741         (ia64_const_ok_for_letter_p): New.
8742         (ia64_const_double_ok_for_letter_p): New.
8743         (ia64_extra_constraint): New.
8744         (ia64_expand_vecint_compare): New.
8745         (ia64_expand_vcondu_v2si): New.
8746         (ia64_expand_vecint_cmov): New.
8747         (ia64_expand_vecint_minmax): New.
8748         (ia64_print_operand): Add 'v'.
8749         (ia64_preferred_reload_class): New.
8750         (ia64_vector_mode_supported_p): New.
8751         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8752         (PREFERRED_RELOAD_CLASS): Move to function.
8753         (CONST_OK_FOR_LETTER_P): Move to function.
8754         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8755         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8756         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8757         (EXTRA_CONSTRAINT): Move to function.
8758         * config/ia64/ia64.md: Include vect.md.
8759         (itanium_class): Add mmalua.
8760         (type): Handle it.
8761         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8762         (1b_mmalua): New.
8763         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8764         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8765         CONST0_RTX.
8766         (const_int_2bit_operand): New.
8767         (fr_reg_or_0_operand): New.
8768         * config/ia64/ia64-modes.def: Add vector modes.
8769         * config/ia64/ia64-protos.h: Update.
8770         * config/ia64/vect.md: New file.
8771
8772 2005-01-03  Richard Henderson  <rth@redhat.com>
8773
8774         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8775
8776 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8777
8778         PR target/19236
8779         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8780         to SFmode.
8781         (log1pdf2): Change mode of operands[0,1] to DFmode.
8782
8783 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8784
8785         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8786         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8787         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8788         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8789         SPARC_RELAXED_ORDERING.
8790
8791 2005-01-03  Richard Henderson  <rth@redhat.com>
8792             Uros Bizjak  <uros@kss-loka.si>
8793
8794         PR target/14631
8795         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8796         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8797         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8798         handling.
8799         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8800         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8801         const_pow2_1_to_128_operand): New predicates.
8802
8803 2005-01-02  Greg McGary  <greg@mcgary.org>
8804
8805         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8806         anonymous decls.
8807         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8808         object.  [ptr_type]: Remove unused variable.
8809         Remember nearest addressable array-element or record-component
8810         when checking bitfield components.  Tolerate empty BIND_EXPR.
8811
8812 2005-01-01  Richard Henderson  <rth@redhat.com>
8813
8814         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8815         that don't narrow the value.  Fail for other conversions.
8816
8817 2005-01-01  Richard Henderson  <rth@redhat.com>
8818
8819         PR c/19031
8820         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8821         * c-lang.c (finish_file): Don't do it here.
8822         * objc/objc-act.c (objc_finish_file): Likewise.
8823
8824         * cgraph.c (decl_assembler_name_equal): New.
8825         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8826         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8827         * cgraph.h (struct cgraph_varpool_node): Add next.
8828         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8829         * varasm.c (assemble_alias): Mark the target as needed.
8830
8831 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8832
8833         PR middle-end/19221
8834         * function.c (get_arg_pointer_save_area): Use entry_of_function
8835         instead of get_insns.
8836
8837 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8838             Andrew Pinski  <pinskia@physics.uc.edu>
8839             James E. Wilson  <wilson@specifixinc.com>
8840
8841         PR rtl-optimization/12092
8842         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8843         is zero.
8844
8845 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8846             Olivier Hainque  <hainque@act-europe.fr>
8847
8848         * tree.c (int_fits_type_p): A narrower type always fits in a
8849         wider one, except for negative values into unsigned types.
8850
8851 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8852
8853         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8854         with the original constant rather than require TREE_OVERFLOW.
8855
8856 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8857
8858         PR middle-end/17544
8859         * c-decl.c (finish_function): If compiling C99, annotate the
8860         compiler generated return with the current file name and line 0.
8861         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8862         the source line is greater than 0.
8863         (remove_bb): Likewise.
8864
8865 See ChangeLog.12 for earlier changes.