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1 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
2
3         * tree-scalar-evolution.c (instantiate_parameters_1): Return 
4         as soon as a chrec_dont_know is detected.
5
6 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
7
8         Merge from csl-arm-branch.
9         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
10
11         * tlink.c (recompile_files): Do not assume that "rename" can
12         overwrite an existing file.
13
14 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
15
16         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
17         * gcc/configure: Regenerate.
18
19 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
20
21         * doc/install.texi: Update binutils requirement for powerpc*-linux.
22
23         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
24
25         * calls.c (struct arg_data): Update "partial" comment.
26         (load_register_parameters): Update "nregs" comment.
27
28 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
29
30         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
31         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
32         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
33         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
34         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
35         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
36         than target_flags & 0.
37         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
38         (iq2000_arch, iq2000_parse_cpu): Delete.
39         (TARGET_HANDLE_OPTION): Override default.
40         (iq2000_handle_option): New function.
41         (override_options): Remove -march= and -mcpu= handling.
42         * config/iq2000/iq2000.opt: New file.
43
44 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
45
46         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
47         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
48         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
49         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
50         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
51         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
52         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
53         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
54         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
55         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
56         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
57         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
58         (c4x_rpts_cycles_string, c4x_cpu_version_string)
59         (TARGET_OPTIONS): Delete.
60         (c4x_rpts_cycles, c4x_cpu_version): Declare.
61         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
62         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
63         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
64         (c4x_cpu_version_string): Delete.
65         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
66         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
67         equivalent -mcpu= option.
68         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
69         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
70         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
71         or clearing the appropriate MASK_* bit.
72         (c4x_file_start): Use c4x_cpu_version.
73         * config/c4x/c4x.opt: New file.
74
75 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
76
77         * doc/options.texi: Document the new MaskExists flag.
78         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
79         if the option has the MaskExists flag.
80
81 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
82
83         * opt-functions.awk (flag_set_p, test_flag): New functions.
84         (switch_flags): Use them.
85         * opth-gen.awk: Use flag_set_p to check for flags.
86         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
87
88 2005-03-30  Ian Lance Taylor  <ian@airs.com>
89
90         * config.host (i[34567]86-*-mingw32*): Don't set
91         host_can_use_collect2 to no.
92
93 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
94
95         PR target/20203
96         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
97         Remove convert_memory_address call duplicating that in memory_address.
98
99 2005-03-29  Richard Henderson  <rth@redhat.com>
100
101         PR c/20519
102         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
103         (build_compound_literal): Likewise.  Propagate decl type into the
104         initializer.
105         (finish_decl): Likewise.  Use new return value from complete_array_type
106         for zero sized arrays.
107         (complete_array_type): Move ...
108         * c-common.c (complete_array_type): ... here.  Change first argument
109         to pointer-to-type-node.  Consistently use sizetype for the index
110         except for zero sized arrays.  Detect zero sized arrays for pedantic
111         mode diagnostics.  Create a new type node instead of modifying the
112         old node in place.
113         * c-tree.h (complete_array_type): Move decl ...
114         * c-common.h (complete_array_type): ... here.
115
116 2005-03-29  Richard Henderson  <rth@redhat.com>
117
118         PR tree-opt/19108
119         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
120
121 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
122
123         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
124         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
125         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
126         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
127
128 2005-03-29  Eric Christopher  <echristo@redhat.com>
129
130         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
131         truthvalue conversion removal.
132
133 2005-03-29  Ian Lance Taylor  <ian@airs.com>
134
135         PR bootstrap/14316
136         * collect2.c: Never include <vfork.h>.
137         (VFORK_STRING, vfork): Don't define.
138         (pid): Remove global variable.
139         (handler): Call raise instead of kill (getpid(), ...).
140         (collect_wait): Add pex parameter.  Change all callers.  Use
141         pex_get_status rather than pwait.
142         (do_wait): Add pex parameter.  Change all callers.
143         (collect_execute): Return struct pex_obj * rather than void.  Use
144         pex routines rather than pexecute.
145         (fork_execute): Get pex_obj from collect_execute, and pass it to
146         do_wait.
147         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
148         Only declare quit_handler if SIGQUIT is defined.
149         (scan_libraries): Likewise.
150         * collect2.h (collect_execute): Update declaration.
151         (collect_wait): Update declaration.
152         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
153         pass it to collect_wait.
154
155 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
156
157         PR c/20672
158         * c-parser.c (c_parser_compound_statement_nostart): Give error
159         message for EOF instead of just setting parser->error.
160
161 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
162
163         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
164         (slpeel_update_phi_nodes_for_guard1): New function.
165         (slpeel_update_phi_nodes_for_guard2): New function.
166         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
167         of slpeel_update_phi_nodes_for_guard.
168         (vectorize_loops): Remove call to loop_closed_rewrite.
169         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
170         assertion.
171
172 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
173
174         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
175         (TARGET_LITTLE_ENDIAN): New macro.
176         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
177         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
178         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
179         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
180         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
181         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
182         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
183         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
184         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
185         (TARGET_OPTIONS): Delete.
186         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
187         (CACHE_FLUSH_TRAP): Turn into an integer.
188         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
189         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
190         -mflush-trap is in use.
191         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
192         (m32r_cache_flush_trap_string): Delete.
193         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
194         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
195         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
196         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
197         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
198         -mmodel= and -msdata= handling from...
199         (m32r_init): ...here.
200         * config/m32r/m32r.opt: New file.
201
202 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
203
204         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
205         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
206         * tree-vect-analyze.c (vect_object_analysis): additional parm
207         pass back a "struct ptr_info_def *" with the points-to info.
208         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
209         statement using info returned from vect_object_analysis.
210         * tree-vect-transform.c (update_vuses_to_preheader): New function.
211         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
212         for virtual uses and defs when creating a replacement vector
213         reference.  Call duplicate_ssa_name_ptr_info to define points-to
214         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
215         (vectorizable_store): copy_virtual_operands and update
216         definition statements.
217         (vectorizable_load): copy_virtual_operands.  Remove call to
218         mark_call_clobbered_vars_to_rename for call to "const" builtin.
219         * tree-vectorizer.c (vectorize_loops): Remove calls to
220         rewrite_into_ssa and bitmap_clear (vars_to_rename).
221         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
222         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
223         define macro STMT_VINFO_PTR_INFO for use in accessing.
224         * tree.h add export of duplicate_ssa_name_ptr_info.
225         * rs6000.c (altivec_init_builtins): Declare builtin function
226         __builtin_altivec_mask_for_load to be "const".
227
228 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
229
230         PR middle-end/20622
231         * cgraph.h (struct cgraph_varpool_node): Add alias field.
232         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
233         assemble_variable on aliases.
234         * varasm.c (assemble_alias): Set node->alias.
235         * toplev.c (wrapup_global_declarations): Don't call
236         rest_of_decl_compilation on aliases again.
237
238 2005-03-29  Paul Brook  <paul@codesourcery.com>
239
240         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
241         * config/arm/arm.c (arm_dbx_register_number): New function.
242         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
243
244 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
245
246         PR middle-end/20263
247         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
248         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
249
250 2005-03-29  Dale Johannesen <dalej@apple.com>
251
252         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
253         $(TREE_H) and $(COVERAGE_H).
254         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
255         * opts.c (common_handle_option): Enable tree-based value transforms.
256         * toplev.c (process_options): Ditto.
257         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
258         refers to references to this type.
259         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
260         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
261         for may_be_more, may_be_less.
262         (rtl_gen_pow2_profiler): Adjust.
263         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
264         (rtl_gen_one_value_profiler): Adjust.
265         (rtl_gen_const_delta_profiler): Adjust.
266         * tree-profile.c (tree_gen_interval_profiler): Implement.
267         (tree_gen_pow2_profiler): Ditto.
268         (tree_gen_one_value_profiler): Ditto.
269         (tree_profiling): New.
270         (pass_tree_profile): Reference it.
271         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
272         tree.h, gcov-io.h.
273         (insn_divmod_values_to_profile): Rename to 
274         rtl_divmod_values_to_profile. Adjust.
275         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
276         (insn_prefetch_values_to_profile): Adjust.
277         (rtl_value_profile_transformations): Adjust.
278         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
279         (gen_mod_pow2): Rename to rtl_mod_pow2.
280         (gen_mod_subtract): Rename to rtl_mod_subtract.
281         (divmod_fixed_value_transform): Rename to 
282         rtl_divmod_fixed_value_transform.
283         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
284         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
285         (rtl_find_values_to_profile): Adjust.
286         (tree_value_profile_transformations): Implement.
287         (tree_divmod_values_to_profile): New.
288         (tree_values_to_profile): New.
289         (tree_divmod_fixed_value): New.
290         (tree_mod_pow2): New.
291         (tree_mod_subtract): New.
292         (tree_divmod_fixed_value_transform): New.
293         (tree_mod_pow2_value_transform): New.
294         (tree_mod_subtract_transform): New.
295         (tree_find_values_to_profile): Implement.
296         * profile.c (instrument_values):  Free histograms.
297         (compute_value_histograms): Adjust. Implement tree version.
298
299 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
300
301         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
302         * config/i386/i386.c (output_fix_trunc): Add new round_mode
303         variable.  Output "fldcw" depending on round_mode.
304         * config/i386/i386.md (UNSPEC_FIST): New.
305         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
306         New isns patterns to implement lrint and llrint built-ins as x87
307         intrinsic function.
308         (fistdi2, fist<mode>2 splitters): New splitters.
309         (lrint<mode>2): New expanders.
310
311 2005-03-28  Ian Lance Taylor  <ian@airs.com>
312
313         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
314         0 when calling final_scan_insn.
315
316 2005-03-28  Jan Hubicka  <jh@suse.cz>
317
318         PR middle-end/20635
319         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
320         as needed.
321
322         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
323         types where possible.
324
325 2005-03-26  Per Bothner  <per@bothner.com>
326
327         Make -f[no-]show-column also control non-cpp diagnostics.
328         * c.opt (fshow-column): Move option from here ...
329         * common.opt (fshow-column): ... to here.
330         * diagnostic.c (diagnostic_build_prefix): Only print column number
331         if flag_show_column.
332
333 2005-03-27  Steven Bosscher  <stevenb@suse.de>
334
335         * vax-protos.h (vax_output_int_move, vax_output_int_add,
336         vax_output_conditional_branch): New prototypes.
337         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
338         extracted from vax.md mov and add patterns.
339         (vax_output_conditional_branch): New function to output conditional
340         branch instructions.
341         * vax.md: Use mode macros for arithmetic and mov patterns.
342         Use code macros for the jump patterns.
343
344 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
345
346         * Makefile.in (libbackend.o): Depend on version files;
347         add custom generation command.
348
349 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
350
351         PR target/20636
352         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
353         sure that we have a REG before getting its REGNO.
354
355 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
356
357         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
358         * builtins.def (BUILT_IN_STRNDUP): New.
359
360 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
361
362         PR tree-optimization/20470
363         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
364         ABS(x-y).
365
366 2005-03-25  Mike Stump  <mrs@apple.com>
367
368         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
369         sized objects.
370
371 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
372
373         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
374         Use our own structure definitions.
375
376         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
377         (fix_truncdfsi2): Allow registers or memory as destination.
378         When TARGET_PPC_GFXOPT, generate simplified pattern.
379         (fix_truncdfsi2_internal): Use define_insn_and_split.
380         (fix_truncdfsi2_internal_gfxopt): New.
381         (fctiwz): Don't confuse register allocation by giving it no choices.
382         (stfiwx): New.
383         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
384         (EXTRA_MEMORY_CONSTRAINT): Likewise.
385         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New. 
386         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
387
388 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
389
390         * dominance.c (free_dominance_info): Speed up by freeing et
391         data structures without maintaining other nodes.
392         * et-forest.c (et_free_tree_force): New.
393         * et-forest.h: Add a prototype for et_free_tree_force.
394
395         * tree.c (get_set_constructor_bits,
396         get_set_constructor_bytes): Remove.
397         * tree.h: Remove the corresponding prototypes.
398
399 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
400
401         PR target/15491
402         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
403         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
404         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
405         PRE_DEC, NEG and NOT.
406
407 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
408
409         * fold-const.c: Convert uses of fold (build (...)) to
410         fold_buildN.
411
412 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
413
414         PR rtl-optimization/20249
415         * cse.c (insert_regs): Do not record equivalence of registers in
416         different modes.
417
418 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
419
420         * emit-rtl.c (reverse_comparison): Remove.
421         * rtl.h: Remove the corresponding prototype.
422
423 2005-03-24  James E Wilson  <wilson@specifixinc.com>
424
425         * doc/install.texi (--enable-altivec): Delete docs.
426
427 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
428
429         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
430         SFmode and DFmode before reload when
431         flag_unsafe_math_optimizations not enabled.
432
433 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
434
435         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
436
437         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
438         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
439
440 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
441
442         * configure.ac (enable-checking): Add 'runtime' option.
443         * doc/install.texi (enable-checking): Document 'runtime' checking.
444         * tsystem.h (gcc_assert, gcc_unreachable): Define.
445         * config.in: Regenerated.
446         * configure: Regenerated.
447
448 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
449
450         * optabs.h (enum optab_index): Remove OTI_llrint.
451         (llrint_optab): Remove macro.
452         * optabs.c (init_optabs): Remove llrint_optab initialization.
453         * genopinit.c (optabs): Remove llrint_optab implementation.
454         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
455         using lrint_optab.
456
457 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
458
459         PR rtl-optimization/20532
460         * simplify-rtx.c (simplify_binary_operation_1): Protect from
461         overflow when adding coefficients for PLUS or MINUS.
462         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
463         two as multiplier.
464
465 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
466
467         * langhooks.h (truthvalue_conversion): Remove.
468         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
469         LANG_HOOKS_TRUTHVALUE_CONVERSION.
470         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
471         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
472         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
473
474 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
475
476         * params.def: Fix a typo.
477         * config/mips/mips.c: Follow the spelling convensions.
478         * doc/invoke.texi: Fix typos.
479
480 2005-03-18  Dale Johannese  <dalej@apple.com>
481
482         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
483
484 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
485
486         Fix PR tree-optimization/20601
487
488         * tree-ssa-pre.c (insert_aux): Add missing condition to
489         constification.
490
491 2005-03-23  Ian Lance Taylor  <ian@airs.com>
492
493         * final.c (final_scan_insn): Don't remove no-op instructions.
494         * reload1.c (reload): Remove simple no-op instructions even when
495         not optimizing.
496
497 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
498  
499         PR tree-optimization/20501
500         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
501         reporting that peeling for alignment is applied moved to...
502         * (vect_analyze_data_refs_alignment): Here.
503
504 2005-03-23  Ian Lance Taylor  <ian@airs.com>
505
506         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
507
508 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
509
510         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
511         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
512
513 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
514
515         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
516         imply that this is called once, independent of asms in code.
517         Adjust to now being pased output and input lists.  Mention helper
518         function decl_overlaps_hard_reg_set_p.
519         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
520         hook_tree_tree_identity and to take three trees, returning third.
521         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
522         prototype.
523         * stmt.c: include hard-reg-set.h before tree.h.
524         (decl_overlaps_hard_reg_set_p): New function, broken out from...
525         (decl_conflicts_with_clobbers_p): Call
526         decl_overlaps_hard_reg_set_p.
527         (expand_asm_operands): Pass output and input lists in call to
528         targetm.md_asm_clobbers.
529         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
530         hook_tree_tree_tree_tree_3rd_identity.
531         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
532         parameters.
533         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
534         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
535         parameters, first two unused.
536         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
537         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
538         in constraint letters and MOF is not mentioned as a asm-declared
539         register in neither of the input and output lists.
540
541 2005-03-23  DJ Delorie  <dj@redhat.com>
542
543         * optabs.c (expand_binop): Make sure the first subword's result
544         gets stored.
545
546 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
547
548         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
549         Call c_common_truthvalue_conversion rather than
550         lang_hooks.truthvalue_conversion.
551         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
552         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
553         c-typeck.c.
554         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
555         c_common_truthvalue_conversion.
556         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
557         c_parser_conditional_expression, c_parser_binary_expression): Call
558         c_objc_common_truthvalue_conversion.
559         * c-typeck.c (build_unary_op): Call
560         c_objc_common_truthvalue_conversion.
561         (build_conditional_expr): Do not call
562         lang_hooks.truthvalue_conversion.
563         (build_binary_op): Call c_common_truthvalue_conversion.
564         (c_objc_common_truthvalue_conversion): Moved from
565         c-objc-common.c.  Call default_function_array_conversion instead
566         of default_conversion.
567
568 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
569
570         * c-common.h (default_conversion): Remove.
571         (perform_integral_promotions): Add.
572         * c-tree.h (default_conversion): Add.
573         * c-typeck.c (perform_integral_promotions): New, split out from
574         default_conversion.
575         * c-common.c (check_case_value): Use perform_integral_promotions,
576         not default_conversion.
577         (c_add_case_label): Don't continue processing case label after
578         found to be pointer.
579
580 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
581
582         * gcc.c (do_spec_1): Do not add a -L path for a directory in
583         the prefix list if we have already added a multilib directory
584         based on that path.
585         (main): Do not add MD_EXEC_PREFIX to the list of directories to
586         search with -L.
587
588 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
589
590         * reload1.c (indirect_symref_ok, reload_obstack): Make them
591         static.
592         * reload.h: Remove the prototype for indirect_symref_ok.
593
594         * reload1.c (indirect_symref_ok): Make it global.
595         * reload.h: Add a prototype for indirect_symref_ok.
596
597 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
598
599         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
600         ashlhi3 expander.
601
602 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
603
604         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
605
606 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
607
608         * c-opts.c (c_common_parse_file): Only start/end main source file
609         if debug hooks says the writer wants it.
610         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
611         member.
612         (xcoff_debug_hooks): Ditto.
613         * debug.c (do_nothing_hooks): Ditto.
614         * debug.h (gcc_debug_hooks): Ditto.
615         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
616         * sdbout.c (sdb_debug_hooks): Ditto.
617         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
618         
619 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
620
621         * doc/extend.texi: Deprecate C++ min/max operators.
622
623 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
624
625         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
626         artificial original candidates.
627
628 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
629             Jan Hubicka  <jh@suse.cz>
630             Steven Bosscher <stevenb@suse.de>
631
632         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
633         call cost based on argument sizes.
634         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
635         inlining.
636         * params.def: (max-inline-inssn-single): Set to 450.
637         (max-inline-insns-auto): Set to 90.
638         (max-inline-insns-recursive): Set to 450
639         (max-inline-insns-recursive-auto): Set to 450.
640         (large-function-insns): Set to 2700.
641         (inline-call-cost): New parameter.
642         * tree-inline.c (estimate_move_cost): New function.
643         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
644         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
645         based on arguments.
646         * tree-inline.h (estimate_move_cost): Declare.
647         * invoke.texi: (max-inline-inssn-single): Change default to 450.
648         (max-inline-insns-auto): Change default to 90.
649         (max-inline-insns-recursive): Change default to 450
650         (max-inline-insns-recursive-auto): Change default to 450.
651         (large-function-insns): Change default to 2700.
652         (inline-call-cost): Document new parameter.
653
654 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
655
656         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
657         (TARGET_DEFAULT): Delete.
658         * config/i860/i860.opt: New file.
659
660 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
661
662         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
663         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
664         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
665         (frv_sched_lookahead): Delete.
666         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
667         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
668         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
669         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
670         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
671         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
672         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
673         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
674         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
675         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
676         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
677         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
678         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
679         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
680         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
681         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
682         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
683         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
684         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
685         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
686         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
687         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
688         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
689         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
690         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
691         (frv_sched_lookahead): Delete.
692         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
693         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
694         (frv_handle_option): New function.  Move -mcpu= handling from...
695         (frv_override_options): ...here.  Remove handling of other
696         TARGET_OPTIONS.
697         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
698         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
699         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
700         and TARGET_NO_MULTI_CE.
701         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
702         !TARGET_VLIW_BRANCH.
703         * config/frv/frv.opt: New file.
704
705 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
706
707         * fold-const.c (fold_ternary): Take decomposed arguments of
708         CALL_EXPR.
709         (fold): Update a call to fold_ternary.
710
711         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
712         * tree.h: Add corresponding prototypes.
713
714 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
715
716         PR target/20561
717         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
718         between jump table and its label.
719         * final.c (shorten_branches): Handle notes in between ADDR_VEC
720         resp. ADDR_DIFF_VEC and the label preceeding it.
721         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
722         is emitted in the right section.
723
724 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
725
726         * fold-const.c (fold_unary, fold_binary): Update comments
727         about arguments.
728
729 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
730
731         PR rtl-optimization/20527
732         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
733         REG_INC note, test that the register also isn't mentioned in PRED
734         or SUCC.
735
736 2005-03-22  Ben Elliston  <bje@au.ibm.com>
737
738         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
739         and definition.
740
741 2005-03-21  Mike Stump  <mrs@apple.com>
742
743         * varasm.c (default_assemble_visibility): Remove extra ().
744
745 2005-03-21  Roger Sayle  <roger@eyesopen.com>
746
747         PR middle-end/20557
748         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
749         to determine whether a block can be duplicated, rather than test
750         whether the block contains noncopyable insns ourselves.
751
752 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
753
754         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
755         predicates.
756
757 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
758
759         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
760
761 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
762
763         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
764         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
765         * config/fr30/fr30.opt: New file.
766
767 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
768         
769         Fix PR tree-optimization/20542
770
771         * tree-flow-inline.h (overlap_subvar): Move to here.
772         * tree-ssa-operands.c: From here.
773         * tree-flow.h (overlap_subvar): Declare.
774         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
775         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
776         for variables with subvars.
777         
778 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
779
780         PR middle-end/20177
781         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
782         * modulo-sched.c (const_iteration_count): Return on NULL
783         pre-header.
784         (print_node_sched_params): Return on NULL dump_file.
785         (generate_reg_moves): Handle reg-anti dependencies and disregard
786         closing branch when generating register moves.
787         (sms_schedule): Mark the SMSed block dirty.
788         * passes.c (rest_of_handle_sms): Call update_life_info for all
789         basic-blocks.
790         * testsuite/gcc.dg/20050321-1.c: New test.
791
792 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
793
794         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
795         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
796         movqi_internal): Likewise.
797
798 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
799
800         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
801         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
802         xtensa_b4const): Delete prototypes.
803         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
804         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
805         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
806         xtensa_extra_constraint): New prototypes.
807         (add_operand, arith_operand, nonimmed_operand, mem_operand,
808         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
809         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
810         move_operand, const_float_1_operand, fpmem_offset_operand,
811         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
812         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
813         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
814         argument type to HOST_WIDE_INT.
815         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
816         xtensa_mask_immediate): Likewise.
817         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
818         Likewise.  Also make these functions static.
819         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
820         (xtensa_const_ok_for_letter_p): New.
821         (add_operand, arith_operand, nonimmed_operand, mem_operand,
822         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
823         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
824         move_operand, const_float_1_operand, fpmem_offset_operand,
825         branch_operator, ubranch_operator, boolean_operator): Move to
826         predicates.md.
827         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
828         (xtensa_mem_offset): Change return type to bool.
829         (xtensa_extra_constraint): New.
830         (gen_int_relational): Update type of const_range_p function pointer.
831         Use xtensa_b4const_or_zero.
832         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
833         xtensa_const_ok_for_letter_p.  Update comments.
834         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
835         (PREDICATE_CODES): Delete.
836         * config/xtensa/xtensa.md: Include predicates.md.
837         * config/xtensa/predicates.md: New file.
838
839 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
840
841         * config/v850/v850-protos.h: Remove the prototypes for
842         reg_or_int9_operand, reg_or_const_operand,
843         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
844         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
845         movsi_source_operand, power_of_two_operand,
846         not_power_of_two_operand, special_symbolref_operand,
847         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
848         register_is_ok_for_epilogue.
849         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
850         reg_or_int9_operand, reg_or_const_operand,
851         call_address_operand, special_symbolref_operand,
852         movsi_source_operand, power_of_two_operand,
853         not_power_of_two_operand, register_is_ok_for_epilogue,
854         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
855         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
856         predicates.md.
857         * config/v850/v850.h (PREDICATE_CODES): Remove.
858         * config/v850/v850.md: Include predicates.md.
859         * config/v850/predicates.md: New.
860
861 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
862
863         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
864         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
865         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
866         (itoolsdir, itoolsdatadir): Move definition above new first use.
867         (install-itoolsdirs): New rule.
868         (install-mkheaders): Depend on install-itoolsdirs, not
869         install-include-dir.
870
871 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
872
873         * tree-into-ssa.c: Remove obsolete comments.
874
875 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
876
877         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
878         unrolling if -fpeel-loops is specified, too.
879         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
880         Remove superfluous check for flag_unroll_loops.
881
882 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
883
884         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
885         (lrint_optab, llrint_optab): Define corresponding macros.
886         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
887         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
888         pattern and llrint_optab using llrintdi2 patterns.
889         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
890         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
891         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
892         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
893         flag_unsafe_math_optimizations is set.
894
895 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
896
897         * combine.c (combine_simplify_rtx, simplify_if_then_else,
898         simplify_logical, if_then_else_cond, known_cond,
899         simplify_comparison): Adjust calls to reverse_comparison.
900         Don't use combine_reversed_comparison_code).
901         (combine_reversed_comparison_code): Remove.
902         (reversed_comparison): Using reversed_comparison_code, move it...
903         * jump.c (reversed_comparison): ... here.
904         * rtl.h (reversed_comparison): Add prototype.
905
906 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
907
908         * builtins.c (fold_builtin): Take decomposed arguments of
909         CALL_EXPR.
910         * fold-const.c (fold_ternary): Update a call to fold_builtin.
911         * gimplify.c (gimplify_call_expr): Likewise.
912         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
913         * tree.h: Update the prototype of fold_builtin.
914
915 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
916
917         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
918         * rtlhooks.c (gen_lowpart_no_emit_general): New.
919         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
920         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
921         * simplify-rtx.c (simplify_binary_operation_1): Use it.
922
923 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
924
925         * builtins.c (fold_builtin_1): Take decomposed arguments of
926         CALL_EXPR.
927         (fold_builtin): Update a call to fold_builtin_1.
928
929 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
930
931         PR other/20564
932         * gcov.c (output_lines): Only output function block summary when
933         outputting branch information.
934         * doc/gcov.texi: Document format of preamble and additional block
935         information lines.
936
937 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
938
939         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
940         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
941         the defaults false if BITS_PER_UNIT != 8.
942         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
943         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
944         than BITS_PER_UNIT != 8.
945         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
946         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
947         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
948         #undefs.
949         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
950         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
951
952 2005-03-20  Roger Sayle  <roger@eyesopen.com>
953
954         PR middle-end/20539
955         * fold-const.c (fold_binary): Fix type mismatch between
956         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
957         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
958         for non-truth-valued expressions.
959
960         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
961         and FUNCTION_DECL in the main switch.
962         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
963         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
964         we also need to convert their operands to match.
965         <TRUTH_NOT_EXPR>: Likewise.
966
967 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
968
969         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
970         diagnostic without checking whether an lvalue.
971         * c-common.h (lvalue_p): Remove.
972         (enum lvalue_use): Update comment.
973         (lvalue_or_else): Replace by lvalue_error.
974         * c-typeck.c (lvalue_p): Make static.
975         (lvalue_or_else): New.  Call lvalue_error.
976
977 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
978
979         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
980         (function_arg_advance): Use rs6000_parm_start.
981         (function_arg, rs6000_arg_partial_bytes): Likewise.
982
983 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
984
985         * c-common.c (check_case_value): Adjust comment about stripping
986         NOPs.
987         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
988         * c-typeck.c (default_conversion, convert_arguments,
989         build_modify_expr, convert_for_assignment, store_init_value,
990         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
991         manually.  Remove inaccurate comments.
992
993 2005-03-20  Roger Sayle  <roger@eyesopen.com>
994             Joseph S. Myers  <joseph@codesourcery.com>
995
996         * varasm.c (do_assemble_alias): Restore comment describing function.
997         Annotate the target parameter as potentially unused.
998
999 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1000
1001         PR target/18551
1002         * config/avr/avr.c (avr_output_function_prologue): Do not use
1003         current_function_name() in a label, use a local label instead.
1004
1005 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
1006
1007         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
1008         flag_finite_math_only, not flag_unsafe_math_optimizations.
1009
1010 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
1011
1012         * builtins.c (fold_builtin_1): Update a call to
1013         targetm.fold_builtin.
1014         * hooks.c (hook_tree_tree_bool_null): Rename to
1015         hook_tree_tree_tree_bool_null.  Take one more argument of type
1016         tree.
1017         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
1018         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
1019         hook_tree_tree_tree_bool_null.
1020         * target.h (gcc_target): Update the prototype of fold_builtin.
1021         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
1022         arguments of CALL_EXPR.
1023         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
1024         new prototype.
1025
1026 2005-03-20  Jan Hubicka  <jh@suse.cz>
1027
1028         * cgraph.h (cgraph_node): Add prev_clone pointer.
1029         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
1030         (cgraph_clone_node): Produce doubly linked chain.
1031
1032 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
1033
1034         * c-common.c (handle_aligned_attribute, check_function_sentinel,
1035         get_nonnull_operand, handle_sentinel_attribute,
1036         check_function_arguments_recurse): Do not strip NOPS from
1037         INTEGER_CSTs.
1038         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
1039         Likewise.
1040         * c-format.c (get_constant): Likewise.
1041         * c-parser.c (c_parser_postfix_expression): Likewise.
1042         * c-typeck.c (set_init_index): Likewise.
1043         (convert_arguments): Don't check for NOP_EXPR containing integer
1044         constant.
1045
1046 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
1047
1048         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
1049         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
1050         Take decomposed arguments of CALL_EXPR.
1051         (fold_builtin_1): Update calls to the functions mentioned
1052         above.
1053
1054 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
1055
1056         * c-decl.c (check_bitfield_type_and_width): Require bit-field
1057         width to have integer type.
1058         (build_enumerator): Require enumerator value to have integer type.
1059
1060 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1061
1062         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
1063         to __builtin_inff.
1064
1065 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1066
1067         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
1068         std=iso9899:199x): Correct descriptions.
1069
1070 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1071
1072         * config.gcc: Consistently use solaris2.1[0-9]* instead of
1073         solaris2.1[0-9].
1074
1075 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
1076
1077         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
1078         of CALL_EXPR.
1079         (expand_builtin_memcpy, fold_builtin_1): Update calls to
1080         fold_builtin_memcpy.
1081
1082         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
1083         arguments of CALL_EXPR.
1084         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
1085         fold_builtin_found, fold_builtin_1): Update calls to
1086         fold_trunc_transparent_mathfn.
1087
1088 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1089
1090         PR middle-end/20493
1091         * fold-const.c (fold_widened_comparison): Don't optimize casts of
1092         function pointers on targets that require function pointer
1093         canonicalization.
1094         (fold_sign_changed_comparison): Likewise.
1095
1096 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1097
1098         * combine.c (try_combine): When changing the mode of a hard reg, make
1099         sure that doing so is valid.
1100
1101 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
1102
1103         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
1104         (TARGET_HANDLE_OPTION): Override default.
1105         (avr_handle_option): New function.
1106         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
1107         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
1108         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
1109         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
1110         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
1111         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
1112         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
1113         (TARGET_OPTIONS): Delete.
1114         * config/avr/avr.opt: New file.
1115
1116 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1117
1118         * config/m32r/m32r-protos.h: Remove the prototypes for
1119         call_address_operand, symbolic_operand, seth_add3_operand,
1120         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1121         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1122         two_insn_const_operand, move_src_operand,
1123         move_double_src_operand, move_dest_operand,
1124         eqne_comparison_operator, signed_comparison_operator,
1125         large_insn_p, conditional_move_operand, carry_compare_operand,
1126         m32r_block_immediate_operand, extend_operand,
1127         reg_or_eq_int16_operand, int8_operand, and
1128         reg_or_zero_operand.
1129         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1130         seth_add3_operand, int8_operand, cmp_int16_operand,
1131         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1132         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1133         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1134         move_double_src_operand, move_dest_operand,
1135         eqne_comparison_operator, signed_comparison_operator,
1136         extend_operand, small_insn_p, large_insn_p,
1137         conditional_move_operand, carry_compare_operand,
1138         m32r_block_immediate_operand): Move to predicates.md.
1139         (MAX_MOVE_BYTES): Move to m32r.h.
1140         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1141         * config/m32r/m32r.md: Include predicates.md.
1142         * config/m32r/predicates.md: New.
1143
1144 2005-03-18  James E Wilson  <wilson@specifixinc.com>
1145
1146         PR c++/19769
1147         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
1148         origin.
1149
1150 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1151
1152         * config/mn10300/mn10300-protos.h: Remove the prototypes for
1153         call_address_operand, const_8bit_operand.
1154         * config/mn10300/mn10300.c (call_address_operand,
1155         const_8bit_operand, const_1f_operand): Move to predicates.md.
1156         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
1157         * config/mn10300/mn10300.md: Include predicates.md.
1158         * config/mn10300/predicates.md: New.
1159
1160 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
1161
1162         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
1163         declarations in diagnostics and %E for identifiers, not %s.
1164
1165 2005-03-18  Jan Hubicka  <jh@suse.cz>
1166             Dale Johannesen  <dalej@apple.com>
1167
1168         * basic-block.h (scale_bbs_frequencies_int,
1169         scale_bbs_frequencies_gcov_type): Declare.
1170         * cfg.c (RDIV): New macro.
1171         (update_bb_frequency_for_threading): Fix.
1172         * basic-block.h (scale_bbs_frequencies_int,
1173         scale_bbs_frequencies_gcov_type): New.
1174         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
1175         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
1176         scale_bbs_frequencies_int.
1177         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
1178
1179 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1180
1181         * config/m32r/m32r-protos.h: Remove the prototypes for
1182         call_address_operand, symbolic_operand, seth_add3_operand,
1183         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1184         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1185         two_insn_const_operand, move_src_operand,
1186         move_double_src_operand, move_dest_operand,
1187         eqne_comparison_operator, signed_comparison_operator,
1188         large_insn_p, conditional_move_operand, carry_compare_operand,
1189         m32r_block_immediate_operand, extend_operand,
1190         reg_or_eq_int16_operand, int8_operand, and
1191         reg_or_zero_operand.
1192         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1193         seth_add3_operand, int8_operand, cmp_int16_operand,
1194         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1195         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1196         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1197         move_double_src_operand, move_dest_operand,
1198         eqne_comparison_operator, signed_comparison_operator,
1199         extend_operand, small_insn_p, large_insn_p,
1200         conditional_move_operand, carry_compare_operand,
1201         m32r_block_immediate_operand): Move to predicates.md.
1202         (MAX_MOVE_BYTES): Move to m32r.h.
1203         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1204         * config/m32r/m32r.md: Include predicates.md.
1205         * config/m32r/predicates.md: New.
1206
1207         * config/pa/pa-protos.h: Add prototypes for magic_milli and
1208         shadd_constant_p.
1209         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
1210         symbolic_operand, symbolic_memory_operand,
1211         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
1212         indexed_memory_operand, move_dest_operand, move_src_operand,
1213         prefetch_cc_operand, prefetch_nocc_operand,
1214         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
1215         arith_operand, arith11_operand, pre_cint_operand,
1216         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
1217         ireg_operand, int5_operand, uint5_operand, int11_operand,
1218         uint32_operand, arith5_operand, and_operand, ior_operand,
1219         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
1220         pc_or_label_operand, div_operand, plus_xor_ior_operator,
1221         shadd_operand, movb_comparison_operator,
1222         cmpib_comparison_operator): Move to predicates.md.
1223         (magic_milli, shadd_constant_p): Make it extern.
1224         * config/pa/pa.h (PREDICATE_CODES): Remove.
1225         * config/pa/pa.md: Include predicates.md.
1226         * config/pa/predicates.md: New.
1227
1228         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
1229         predicate.
1230
1231 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1232
1233         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
1234         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1235         config/alpha/freebsd.h, config/alpha/linux.h,
1236         config/alpha/netbsd.h, config/alpha/osf5.h,
1237         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
1238         config/h8300/h8300-protos.h, config/h8300/h8300.c,
1239         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
1240         doc/cppopts.texi: Update copyright.
1241
1242 2005-03-18  Jan Hubicka  <jh@suse.cz>
1243
1244         PR middle-end/20225
1245         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
1246         too late.
1247         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
1248         called too late.
1249
1250 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1251
1252         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
1253         VEC_safe_push.
1254
1255 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
1256
1257         * combine.c (gen_binary): Remove.
1258         (known_cond, simplify_shift_const, find_split_point,
1259         combine_simplify_rtx, simplify_if_then_else, simplify_set,
1260         simplify_logical, expand_field_assignment, extract_left_shift,
1261         force_to_mode, if_then_else_cond, apply_distributive_law,
1262         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
1263         simplify_comparison, reversed_comparison): Replace with
1264         simplify_gen_binary, simplify_gen_relational or
1265         distribute_and_simplify_rtx.
1266         (distribute_and_simplify_rtx): New function.
1267
1268 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
1269             Paolo Bonzini  <gcc.gnu.org>
1270
1271         * calls.c (setjmp_call_p, special_function_p): Update comments
1272         at the head of the functions.
1273
1274 2005-03-18  Jan Hubicka  <jh@suse.cz>
1275
1276         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
1277
1278         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
1279         function body should be released; do not proactively release function
1280         bodies in non-unit-at-a-time mode.
1281
1282 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
1283
1284         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
1285         mno-fp-ret-in-387 multilib variants.
1286
1287 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
1288
1289         * common.opt (m): Remove.
1290         * opts.c (handle_option): Pass 'm' options to set_target_switch if
1291         table lookup fails.
1292         (common_handle_option): Remove OPT_m case.
1293
1294 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1295
1296         * builtins.c (fold_builtin_bitop): Take decomposed arguments
1297         of CALL_EXPR.
1298         (fold_builtin_1): Update a call to fold_builtin_bitop.
1299
1300         * builtins.c (fold_builtin_signbit): Take decomposed arguments
1301         of CALL_EXPR.
1302         (fold_builtin_1): Update a call to fold_builtin_signbit.
1303
1304 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
1305
1306         PR tree-optimization/20474
1307         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
1308         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
1309
1310 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1311
1312         * config/h8300/h8300-protos.h: Remove prototypes for
1313         general_operand_src, general_operand_dst, single_one_operand,
1314         single_zero_operand, call_insn_operand,
1315         two_insn_adds_subs_operand, small_call_insn_operand,
1316         jump_address_operand, bit_operand, bit_memory_operand,
1317         stack_pointer_operand, const_int_gt_2_operand,
1318         const_int_ge_8_operand, const_int_qi_operand,
1319         const_int_hi_operand, incdec_operand, bit_operator,
1320         nshift_operator, eqne_operator, gtle_operator,
1321         gtuleu_operator, iorxor_operator.
1322         Add prototypes for h8sx_shift_type h8sx_classify_shift and
1323         h8300_ldm_stm_parallel.
1324         * config/h8300/h8300.c (h8sx_shift_type,): Move to
1325         h8300-protos.h.
1326         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1327         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1328         (h8300_ldm_stm_parallel): Make it extern.
1329         (h8300_ldm_parallel, h8300_stm_parallel,
1330         h8300_return_parallel, general_operand_src,
1331         general_operand_dst, h8300_dst_operand, h8300_src_operand,
1332         nibble_operand, reg_or_nibble_operand, single_one_operand,
1333         single_zero_operand, call_insn_operand,
1334         two_insn_adds_subs_operand, small_call_insn_operand,
1335         jump_address_operand, bit_operand, bit_memory_operand,
1336         stack_pointer_operand, const_int_gt_2_operand,
1337         const_int_ge_8_operand, const_int_qi_operand,
1338         const_int_hi_operand, incdec_operand, eqne_operator,
1339         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1340         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1341         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1342         nshift_operator): Move to predicates.md.
1343         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1344         * config/h8300/h8300.md: Include predicates.md.
1345         * config/h8300/predicates.md: New.
1346
1347 2005-03-17  Richard Henderson  <rth@redhat.com>
1348
1349         * config.gcc (ia64*-*-hpux*): Add extra_options.
1350         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1351         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1352         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1353         (ia64_tls_size_string, ia64_tune_string): Remove.
1354         (ia64_tune): Init to PROCESSOR_ITANIUM2.
1355         (TARGET_DEFAULT_TARGET_FLAGS): New.
1356         (TARGET_HANDLE_OPTION): New.
1357         (ia64_override_options): Move options parsing ...
1358         (ia64_handle_option): ... here.  New.
1359         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1360         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1361         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1362         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1363         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1364         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1365         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1366         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1367         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1368         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1369         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1370         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1371         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1372         TARGET_EARLY_STOP_BITS): Remove.
1373         (TARGET_ILP32): Default false.
1374         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1375         (enum ia64_inline_type): New.
1376         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1377         * config/ia64/ia64.md: Update for new definitions of
1378         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1379         * config/ia64/ia64.opt: New file.
1380         * config/ia64/ilp32.opt: New file.
1381
1382 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1383
1384         PR target/18380
1385         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1386
1387 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1388
1389         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1390         instead of MASK_H8300S.
1391         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1392         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1393         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1394         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1395         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1396         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1397         TARGET_SWITCHES): Remove.
1398         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1399         TARGET_H8300SX.
1400         * config/h8300/h8300.opt: New.
1401
1402         * config/alpha/alpha.opt, config/arc/arc.opt,
1403         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1404         notices.
1405
1406 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1407
1408         * gmon.c: Remove.
1409
1410 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1411
1412         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1413         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1414         (TARGET_HANDLE_OPTION): Override default.
1415         (arc_handle_option): New function.
1416         (arc_init): Remove code to set arch_cpu_string.
1417         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1418         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1419         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1420         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1421         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1422         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1423         (arc_rodata_string, TARGET_OPTIONS): Delete.
1424         * config/arc/arc.opt: New file.
1425
1426 2005-03-17  Richard Henderson  <rth@redhat.com>
1427
1428         * doc/extend.texi (Weak Pragmas): New section.
1429         (attribute alias): Clarify that target must be in the same
1430         translation unit.
1431
1432 2005-03-17  Richard Henderson  <rth@redhat.com>
1433
1434         * config/alpha/alpha.opt: New file.
1435         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1436         of alpha_cpu.
1437         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1438         alpha_fprm_string, alpha_fptm_string): Make static.
1439         (alpha_tls_size_string): Remove.
1440         (alpha_handle_option): New.
1441         (override_options): Update for alpha_cpu/alpha_tune split.
1442         (alpha_file_start): Likewise.
1443         (TARGET_DEFAULT_TARGET_FLAGS): New.
1444         (TARGET_HANDLE_OPTION): New.
1445         * config/alpha/alpha.h (alpha_tune): Declare.
1446         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1447         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1448         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1449         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1450         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1451         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1452         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1453         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1454         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1455         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1456         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1457         (TARGET_DEFAULT): Remove MASK_FP.
1458         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1459         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1460         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1461         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1462         alpha_tls_size_string): Remove.
1463         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1464         (attribute tune): Rename from attribute cpu.
1465         * config/alpha/ev4.md: Update to match.
1466         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1467         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1468         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1469         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1470         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1471         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1472
1473 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1474
1475         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1476         and return without creating new state if before_nops_num is nonzero.
1477         * config/ia64/ia64.md (first_insn): New attribute.
1478         (alloc): Set it to yes.
1479
1480 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1481
1482         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1483         STMT_VINFO_SUBVARS to NULL.
1484         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1485
1486 2005-03-16 Dale Johannesen  <dalej@apple.com>
1487
1488         * rtlanal.c (find_first_parameter_load):  Rewrite to
1489         return actual first param load or the call if none,
1490         instead of first in block, when not all loads exist.
1491
1492 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1493
1494         * optabs.c (expand_copysign_absneg): Make static.
1495         * optabs.h (expand_copysign_absneg): Delete prototype.
1496         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1497
1498 2005-03-16  Richard Henderson  <rth@redhat.com>
1499
1500         PR middle-end/15700
1501         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1502         (alias_pairs): Rename from output_defs.
1503         (find_decl_and_mark_needed): Split out from assemble_alias.
1504         (do_assemble_alias): New.
1505         (assemble_output_def): Remove.
1506         (finish_aliases_1, finish_aliases_2): New.
1507         (process_pending_assemble_output_defs): Remove.
1508         (assemble_alias): Defer aliases for which we don't yet have a
1509         non-external decl for the target symbol.
1510         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1511         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1512         * toplev.c (compile_file): Use finish_aliases_2 instead of
1513         process_pending_assemble_output_defs.
1514         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1515         (process_pending_assemble_output_defs): Remove.
1516
1517 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1518
1519         Fix PR tree-optimization/20489
1520
1521         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1522         for empty structures.
1523
1524 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1525
1526         Fix PR tree-optimization/20490
1527
1528         * tree-ssa-pre.c (create_expression_by_pieces): Use
1529         force_gimple_operand on result of fold.
1530
1531 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1532
1533         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1534         of closing parenthesis.
1535
1536 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1537
1538         * builtins.c (expand_movstr): Update a call to
1539         fold_builtin_strcpy.
1540         (expand_builtin_strncpy): Update a call to
1541         fold_builtin_strncpy.
1542         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1543         arguments of CALL_EXPR.
1544         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1545         fold_builtin_strncpy.
1546         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1547         * tree.h: Update the prototypes of fold_builtin_strcpy and
1548         fold_builtin_strncpy.
1549
1550 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1551             Dorit Naishlos  <dorit@il.ibm.com>
1552
1553         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1554         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1555         error.
1556
1557 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1558
1559         * tree-inline.c (walk_type_fields, walk_tree,
1560         walk_tree_without_duplicates): Move from here...
1561         * tree.c: ...to here.
1562
1563 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1564
1565         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1566         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1567         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1568         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1569         (version): Define using $(BASEVER_c).
1570         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1571         version.c.
1572         (version.o): Depend on version files; add custom generation command.
1573         (prefix.o): Define BASEVER on command line.
1574         (s-iov): Depend on version files; adjust command.
1575         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1576         Add gcc-vers.texi.
1577         (gcc-vers.texi): New rule.
1578         (doc/%.info, doc/%.dvi): Add -I . to command line.
1579         (doc/gccinstall.dvi): Likewise.
1580         (PACKAGE): Delete.  All uses replaced with "gcc".
1581         * aclocal.m4: Do not include gcc-version.m4.
1582         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1583         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1584         Set is_release based on contents of DEV-PHASE.
1585         Set gcc_version based on contents of BASE-VER.
1586         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1587         * config.in, configure: Regenerate.
1588         * gccbug.in: Determine version of GCC in use at runtime.
1589         * gcov-iov.c: Get version number and development phase from
1590         command line, not by including version.c.
1591         * intl.c: Replace all uses of PACKAGE with "gcc".
1592         * libada-mk.in: Delete unused "gcc_version" variable.
1593         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1594         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1595         commentary to match.
1596         (version_string): Put together from pieces.
1597         * config/alpha/x-vms: Do not use $(gcc_version).
1598         * config/i386/t-nwld: Likewise.
1599         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1600         version-GCC and DEVELOPMENT.
1601
1602 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1603
1604         PR tree-optimization/17454
1605         * tree.c (tree_size): Add case for TREE_BINFO.
1606         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1607         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1608
1609 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1610
1611         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1612         op1 whilst expanding the signed widenening multiply variant.
1613
1614 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1615
1616         * toplev.c (display_target_options): Avoid unused variable warning if
1617         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1618         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1619         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1620         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1621         (mips_isa_info): New variable.
1622         (mips_parse_cpu): Remove the first argument and leave the caller
1623         to report errors.
1624         (TARGET_HANDLE_OPTION): Override default.
1625         (mips_handle_option): New function.  Move option validation code from...
1626         (override_options): ...here.  Update calls to mips_parse_cpu.
1627         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1628         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1629         (SUBTARGET_TARGET_OPTIONS): Delete.
1630         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1631         (mno-flush-func, mtune=): New options.
1632
1633 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1634             Richard Henderson  <rth@redhat.com>
1635
1636         * real.c (c4x_single_format, c4x_extended_format): Provide values
1637         for signbit_ro for c4x's single and extended floating point formats.
1638         * optabs.c (expand_copysign): Use the floating point format's
1639         signbit_ro for expanding via expand_copysign_absneg, and it's
1640         signbit_rw field for expanding via expand_copysign_bit.
1641
1642 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1643
1644         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1645         known_alignment_for_access_p.
1646         (known_alignment_for_access_p): New.
1647         (do_peeling_for_alignment): Field made int instead of bool and renamed
1648         to peeling_for_alignment.
1649         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1650         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1651         functionality used to be in vect_analyze_operations.
1652         (vect_analyze_operations): Code to determine vectorization factor was
1653         moved to vect_determine_vectorization_factor.
1654         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1655         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1656         factor.
1657         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1658         be part of vect_analyze_operations).
1659         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1660         creating the guard condition, as the number of iterations may be
1661         constant.
1662         (slpeel_tree_peel_loop_to_edge): Use new name of
1663         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1664         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1665         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1666         (vect_do_peeling_for_alignment): Use fold.
1667         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1668
1669         (vect_update_inits_of_dr): Renamed to
1670         vect_update_init_of_dr.
1671         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1672         (vectorizable_store): Fix assertion to use == instead of =.
1673
1674 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1675
1676         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1677         call_used_regs for wCG registers.
1678
1679 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1680
1681         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1682         for non-offsettable memory references to cope with outstanding reload
1683         replacements, take 2.
1684
1685 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1686
1687         PR target/18668
1688         * config/i386/i386.h (x86_fisttp): New.
1689         (TARGET_FISTTP): New macro.
1690         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1691         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1692         instruction when fisttp flag is set.
1693         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1694
1695         * config/i386/i386.md (type attribute): Add fisttp.
1696         (unit attribute): Set to i387 for fisttp type.
1697         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1698         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1699         TARGET_FISTTP.
1700         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1701         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1702         macros.
1703         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1704         patterns for TARGET_FISTTP.  Enable patterns for
1705         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1706         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1707         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1708         implement fisttp x87 insn.
1709         (fix_trunc*_i387_fisttp splitters): New patterns.
1710         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1711         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1712         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1713         clobber.
1714         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1715         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1716         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1717         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1718         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1719         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1720         Disable patterns for TARGET_FISTTP.
1721         (fix_trunc*_i387 splitters): Implement usign mode macros.
1722         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1723         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1724         (fix_trunx*_sse peephole2s): Implement using mode macros.
1725
1726 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1727
1728         PR rtl-optimization/20291
1729         * combine.c (try_combine): If splitting fails, re-try with
1730         original combined pattern, i.e. before clobber stripping.
1731
1732 2005-03-14  Eric Christopher  <echristo@redhat.com>
1733
1734         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1735         STACK_GROWS_DOWNWARD.
1736
1737 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1738
1739         * real.h (struct real_format): Split the signbit field into two
1740         two fields, signbit_ro and signbit_rw.
1741         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1742         mips_double_format, ieee_extended_motorola_format,
1743         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1744         ieee_extended_intel_128_format, ibm_extended_format,
1745         mips_extended_format, ieee_quad_format, mips_quad_format,
1746         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1747         i370_double_format, c4x_single_format, c4x_extended_format,
1748         real_internal_format): Update initializers for new field.
1749         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1750         real_format structure.
1751         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1752         field of the real_format structure.
1753
1754 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1755
1756         Fix PR tree-optimization/20458
1757
1758         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1759         DECL_EXTERNAL on STRUCT_FIELD tags.
1760         (clear_call_clobbered): Ditto.
1761         * tree-ssa-operands.c (note_addressable): Make sure the original
1762         variable doesn't slip into the addressable list if we have
1763         subvars.
1764         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1765         tags too.
1766
1767 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1768
1769         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1770         (-fwide-exec-charset): Likewise.
1771         (-finput-charset): Likewise.
1772         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1773         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1774         * c.opt (Wnormalized): New.
1775
1776 2005-03-14  Devang Patel  <dpatel@apple.com>
1777
1778         * doc/invoke.texi: Add reference to Visibility document.
1779
1780 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1781
1782         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1783         MASK_SPLIT_ADDRESSES.
1784         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1785         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1786         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1787         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1788         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1789         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1790         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1791         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1792         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1793         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1794         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1795         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1796         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1797         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1798         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1799         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1800         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1801         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1802         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1803         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1804         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1805         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1806         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1807         (TARGET_EXPLICIT_RELOCS): Delete.
1808         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1809         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1810         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1811         (override_options): Set MASK_LONG64 if -mint64 is given and no
1812         -mlongXX option is.  Complain about -mint64 -mlong32.
1813         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1814         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1815         * config/mips/mips.opt: New file.
1816
1817 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1818
1819         * config.gcc (extra_options): New variable for listing option files.
1820         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1821         * configure.ac (extra_opt_files): New AC_SUBST variable.
1822         (tm_file_list, tm_include_list): Include options.h first.
1823         * configure: Regenerate.
1824         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1825         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1826         (s-options-h): New rule.
1827         (options.h): Depend on it.
1828         (TEXI_GCCINT_FILES): Add options.texi.
1829         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1830         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1831         * target.h (gcc_target): Add default_target_flags and handle_option.
1832         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1833         (TARGET_HANDLE_OPTION): New macros.
1834         (TARGET_INITIALIZER): Include them.
1835         * opt-functions.awk (opt_args, nth_arg): New functions.
1836         (switch_flags): Handle the "Target" flag.
1837         (var_args): Delete.
1838         (var_name): Use opt_args and nth_arg.
1839         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1840         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1841         macros for the "Mask" and "InverseMask" options.
1842         * opts.h (cl_var_cond): New enum.
1843         (cl_option): Replace the "has_set_value" and "set_value" fields with
1844         "var_cond" and "var_value".
1845         (CL_TARGET): New macro.
1846         (option_enabled, print_filtered_help): Declare.
1847         (decode_options): Move definition.
1848         * opts.c (handle_option): Search for the original option before
1849         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1850         var_cond and var_value fields.  Use targetm.handle_option to handle
1851         target options.
1852         (decode_options): Set target_flags to targetm.default_target_flags.
1853         (print_filtered_help): Make global.  Handle CL_TARGET.
1854         (option_enabled): New function.
1855         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1856         (display_target_options, set_target_switch, print_switch_values)
1857         (default_pch_valid_p): Guard uses of target_switches with
1858         #ifdef TARGET_SWITCHES.  Also...
1859         (display_target_options): Display the CL_TARGET entries in cl_options.
1860         (set_target_option): Don't complain about the "" option when
1861         TARGET_SWITCHES is undefined.
1862         (print_switch_values): Use option_enabled.
1863         (default_pch_valid_p): Check cl_options[] when looking for something
1864         that has changed the value of target_flags.
1865         * c.opt: Remove documentation from top of file.
1866         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1867         * doc/sourecebuild.texi: Refer to the new options documentation
1868         instead of c.opt.  Document machine-specific .opt files.
1869         * doc/tm.texi (target_flags): Say that this variable is declared
1870         by options.h.
1871         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1872         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1873         an alternative.
1874         * doc/options.texi: New file.
1875
1876 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1877
1878         PR middle-end/18628
1879         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1880         register.
1881
1882 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1883
1884         PR c++/20280
1885         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1886         temporary variable of pointer type if an lvalues is required.
1887         (gimplify_modify_expr_rhs): Request an rvalue from it.
1888         (gimplify_expr): Pass fallback on.
1889
1890 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1891
1892         * cfgbuild.c: Update comments.
1893
1894 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1895
1896         PR rtl-optimization/17236
1897         * optabs.c (expand_doubleword_mult): New helper function split out
1898         from expand_binop.  Permute the order in which instructions are
1899         emitted to minimize the number of simultaneously live registers.
1900         (expand_binop): Call expand_doubleword_mult to synthesize a double
1901         word multiplication.
1902
1903 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1904
1905         * basic-block.h: Update the prototypes of cached_make_edge and
1906         rtl_make_eh_edge.
1907         * cfg.c (cached_make_edge): Take edge_cache representing one
1908         row of the adjacency matrix of edges.
1909         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1910         (make_edges): Initialize edge_cache to represent one row of
1911         the adjacency matrix of edges.
1912
1913 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1914
1915         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1916         New functions.
1917         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1918         Remove unused removed_phis variable.
1919         (conditional_replacement): Use build1/build2.
1920         (abs_replacement): Use last_and_only_stmt and build1/build2.
1921
1922 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1923
1924         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1925         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1926         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1927         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1928         * c-common.c (handle_novops_attribute): New function.
1929         (c_common_attribute_table): Add "no vops" entry.
1930         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1931         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1932         * tree-ssa-operands.c (get_call_expr_operands): Do not
1933         create virtual operands for calls with ECF_NOVOPS flag.
1934         * tree.h (DECL_IS_NOVOPS): New macro.
1935         (struct tree_decl): Add novops_flag.
1936         (ECF_NOVOPS): New constant.
1937
1938 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1939
1940         PR target/17688
1941         * config/i386/i386.c (x86_use_himode_fiop): New.
1942         (x86_use_simode_fiop): Rename from x86_use_fiop.
1943         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1944         (TARGET_USE_HIMODE_FIOP): New.
1945         (x86_use_simode_fiop): Rename from x86_use_fiop.
1946         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1947
1948         * config/i386/i386.md (X87MODEI12): New mode macro define.
1949         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1950         to implement x87 FP compare with HImode input operands.
1951         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1952         Use X87MODEI12 mode macro to handle HImode input operands.
1953         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1954         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1955         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1956         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1957         macro to implement x87 operators with HImode input operands.
1958         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1959         input operands.
1960
1961 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1962
1963         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1964         integer_zerop.
1965         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1966         constants invariant.
1967
1968 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1969
1970         * basic-block.h (BB_VISITED): Removed.
1971         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1972
1973 2005-03-14  Falk Hueffner  <falk@debian.org>
1974
1975         PR bootstrap/20424
1976         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1977
1978 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1979
1980         * ggc-zone.c: Fix comment typos.
1981
1982         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1983         stringpool.c, config/mips/mips-protos.h: Update copyright.
1984
1985 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1986
1987         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1988         throughout with its typedef, "rtx".
1989         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1990         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1991         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1992         regs in comment to match code.
1993
1994 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1995
1996         * except.c (check_handled): Make it static.
1997         * except.h: Remove the corresponding prototype.
1998
1999         * function.c (get_func_frame_size): Make it static.
2000         * function.h: Remove the corresponding type.
2001
2002         * regclass.c (reg_class_superclasses, reg_class_subclasses):
2003         Make them static.
2004         * hard-reg-set.h: Remove the corresponding declarations.
2005
2006         * tree-cfg.c (verify_stmts): Check that
2007         bb_for_stmt (stmt) == bb for every PHI node and statement.
2008
2009 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
2010
2011         * config.gcc: Remove excess indentation.
2012         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
2013
2014 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2015
2016         PR middle-end/19331
2017         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
2018         * fold-const.c (fold_sign_changed_comparison): Likewise.
2019         (fold_binary): Optimize comparisons against widened operands if
2020         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
2021
2022 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2023
2024         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
2025         (sparc_override_options): Initialize it.
2026         (sparc_struct_value_rtx): Set it on the MEM to be returned.
2027
2028 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
2029
2030         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
2031         (reg_or_none500mem_operand): New predicate.
2032         (zero_reg_mem_operand): New predicate.
2033         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
2034         to reg_or_none500mem_operand.
2035         (extendsfdf2_fpr): Add MEM alternative.
2036         (extenddftf2_internal): Change operand2 predicate to
2037         zero_reg_mem_operand.
2038
2039 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2040
2041         * ggc-zone.c: Rewritten.
2042
2043         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
2044         if there are none.
2045         * configure.ac: Define GGC_ZONE for --with-gc=zone.
2046         * config.in: Regenerated.
2047         * configure: Regenerated.
2048         * gengtype.c (write_types_process_field, write_func_for_structure):
2049         Pass new argument to gt_pch_note_object.
2050         * ggc-common.c (struct ptr_data): Add TYPE.
2051         (gt_pch_note_object): Take TYPE argument and save it.
2052         (call_count): Update call to ggc_pch_count_object.
2053         (call_alloc): Update call to ggc_pch_alloc_object.
2054         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
2055         file.
2056         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
2057         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
2058         (ggc_alloc_zone_stat): Delete.
2059         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
2060         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
2061         (ggc_pch_alloc_object): Update prototypes.
2062         (garbage_zone): Delete.
2063         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
2064         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
2065         pointers.
2066         (tree_id_zone): New variable.
2067         (ggc_alloc_cleared_zone): Remove unused.
2068         (ggc_alloc_zone): Define.
2069         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
2070         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
2071         ggc_alloc_zone_stat.
2072         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
2073         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
2074         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
2075         (make_node_stat): Likewise.  Use tree_id_zone.
2076
2077 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2078             Joseph S. Myers  <joseph@codesourcery.com>
2079
2080         * configure.ac: Check for MIPS TLS.
2081         * configure: Regenerated.
2082         * config/mips/mips-protos.h (enum mips_symbol_type): Add
2083         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
2084         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
2085         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
2086         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
2087         (mips_classify_symbol, mips_symbolic_constant_p)
2088         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
2089         (mips_tls_operand_p, mips_call_tls_get_addr)
2090         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
2091         (mips_tls_symbol_ref_1): New functions.
2092         (mips_legitimize_address, mips_legitimize_const_move): Call
2093         mips_legitimize_tls_address.
2094         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
2095         for MIPS16.
2096         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
2097         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
2098         (mips_char_to_class): Document V1_REG.
2099         (HAVE_AS_TLS): Provide default.
2100         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
2101         constants.
2102         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
2103         !TARGET_ABICALLS.
2104         (tls_get_tp_<mode>): New instruction.
2105
2106 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2107
2108         * configure.ac: Update checks for target tools.
2109         * configure: Regenerated.
2110
2111 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2112
2113         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
2114
2115 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2116
2117         * expmed.c (expand_mult): Use synthetic multiplication sequences for
2118         more classes of DImode multiplication by constant.  Allow both
2119         multiplication by small negative constants (by performing a
2120         multiplication by a positive constant and negating the result) and
2121         multiplications by large powers of two, by using a left shift.
2122
2123 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2124
2125         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
2126         of basic blocks into work_stack.
2127
2128         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
2129         config/mips/vr.h: Update copyright.
2130
2131         * c-decl.c (c_init_decl_processing): Remove useless calls to
2132         build_function_type.
2133
2134         * builtins.c (fold_trunc_transparent_mathfn,
2135         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
2136         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2137         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
2138         fold_builtin_strcpy, fold_builtin_strncpy,
2139         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
2140         TREE_TYPE (exp).
2141
2142         * builtins.c (expand_builtin_mathfn_3): Remove local variable
2143         before_call.
2144
2145         * lambda-code.c (lambda_compute_auxillary_space): Remove local
2146         variable determinant.
2147
2148         * tree-cfg.c (group_case_labels): Remove local variable type.
2149
2150         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
2151         variable ann.
2152
2153         * tree-ssa-phiopt.c (value_replacement): Remove local variable
2154         result.
2155
2156 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2157
2158         PR target/18251
2159         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
2160         (*movmemqi_insn): Delete.
2161         (*movmemhi): Delete.
2162
2163 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2164
2165         * builtins.c (fold_builtin_classify): Take decomposed
2166         arguments of CALL_EXPR.
2167         (fold_builtin_1): Update a call to fold_builtin_classify.
2168
2169 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
2170
2171         PR c/20402
2172         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
2173         through into call to parser_xref_tag after parse error.
2174         (c_parser_struct_declaration): Consistently return NULL_TREE on
2175         error.
2176
2177 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
2178
2179         * tree-flow-inline.h (ref_contains_array_ref): New function.
2180         (lookup_subvars_for_var): Ditto.
2181         (get_subvars_for_var): Ditto.
2182         (var_can_have_subvars): Ditto.
2183
2184         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
2185         (struct subvar): New type.
2186
2187         * tree-dfa.c (okay_component_ref_for_subvars): New function.
2188
2189         * tree-optimize.c (init_tree_optimization_passes): Call
2190         pass_create_structure_vars.
2191
2192         * tree-ssa-alias.c: Include vec.h.
2193         (init_alias_info): Don't auto-clear call clobbered on struct-field
2194         tags.
2195         (compute_flow_insensitive_aliasing): Handle subvars.
2196         (group_aliases): Handle STRUCT_FIELD aliases.
2197         (setup_pointers_and_addressables): Ditto.
2198         Don't mark variables non-addressable if they still have
2199         addressable subvars.
2200         Also mark subvars addressable when the real variable is marked
2201         addressable.
2202         (add_pointed_to_var): Try to prune the pointed-to set by only
2203         pointing to subvars when possible.
2204         Otherwise, make sure we set addresses_needed and pt_vars to
2205         properly include subvars.
2206         (bitpos_of_field): New function.
2207         (push_fields_onto_fieldstack): Ditto.
2208         (get_or_create_used_part_for): Ditto.
2209         (create_overlap_variables_for): Ditto.
2210         (find_used_portions): Ditto.
2211         (create_structure_vars): Ditto.
2212         (pass_create_structure_vars): New structure.
2213
2214         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
2215         (get_expr_operands): Handle subvars.  Also try to turn
2216         COMPONENT_REF accesses into must-defs now that we can accurately
2217         portray it.
2218         (note_addressable): Try to only mark as addressable those subvars
2219         we know a COMPONENT_REF touches.
2220         (overlap_subvar): New function.
2221
2222         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
2223         Handle subvar storing.
2224         (vect_address_analysis): Update caller of vect_object_analysis.
2225
2226         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
2227
2228         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
2229         (STMT_VINFO_SUBVARS): New macro.
2230
2231         * common.opts: add flag_tree_salias.
2232
2233         * opts.c (decode_options): flag_tree_salias defaults to on.
2234
2235         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
2236
2237         * doc/tree-ssa.texi: Document structural alias analysis.
2238
2239 2005-03-12  Steven Bosscher  <stevenb@suse.de>
2240
2241         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
2242         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
2243         * tree-ssa-operands.c (get_expr_operands): Likewise.
2244         (get_expr_operands): Likewise for ERROR_MARK.
2245
2246 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2247
2248         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
2249         var.
2250
2251         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
2252         removed_phis.
2253
2254         * tree-ssa-pre.c (compute_avail): Remove local variable val.
2255         (mark_operand_necessary): Remove local variable ver.
2256
2257         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
2258         variable prefix_len.
2259
2260         * value-prof.c (mod_subtract_transform): Remove local variable
2261         value.
2262
2263         * builtins.c (fold_builtin_exponent): Take decomposed
2264         arguments of CALL_EXPR.
2265         (fold_builtin_1): Update a call to fold_builtin_exponent.
2266
2267         * builtins.c (fold_builtin_logarithm): Take decomposed
2268         arguments of CALL_EXPR.
2269         (fold_builtin_1): Update a call to fold_builtin_logarithm.
2270
2271         * c-decl.c (c_init_decl_processing): Remove local variables
2272         ptr_ftype_void and ptr_ftype_ptr.
2273
2274         * gimplify.c (gimplify_expr): Remove local variables r0 and
2275         r1.
2276
2277         * reg-stack.c (move_for_stack_reg): Remove local variable
2278         push_insn.
2279         (compare_for_stack_reg): Remove local variable flags_user.
2280         (convert_regs_1): Remove local variable deleted.
2281
2282         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
2283         variable new_cond.
2284         (combine_blocks): Remove local variables exits and new_e.
2285
2286         * tree-inline.c (expand_call_inline): Remove local variable
2287         decl.
2288
2289         * tree-ssa-live.c (create_ssa_var_map,
2290         calculate_live_on_entry): Remove local variable snn.
2291
2292 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
2293
2294         * c-lex.c (c_lex_with_flags): Add parameter to call to
2295         cpp_spell_token.
2296
2297 2005-03-11  Per Bothner  <per@bothner.com>
2298
2299         * c-tree.h (struct c_declarator): New id_loc field.
2300         * c-pragma.h (c_lex_with_flags): Take position reference.
2301         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
2302         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
2303         (c_lex): Pass dummy location to c_lex_with_flags.
2304         * c-parser.c (c_lex_one_token): Set c_token's location using
2305         c_lex_with_flags, instead of input_location, which might be "ahead".
2306         (c_parser_direct_declarator): Set declarator's id_loc from
2307         c_token's id_loc.
2308         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
2309         declarator's id_loc, rather than probably-imprecise input_location.
2310         (build_id_declarator): Initialize c_declarator's id_loc field.
2311
2312 2005-03-11  Roger Sayle  <roger@eyesopen.com>
2313
2314         PR middle-end/20419
2315         * builtins.c (expand_builtin_signbit): Force the signbit's word
2316         into an integer register to avoid SUBREGs of floating point modes.
2317
2318 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2319
2320         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2321         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2322         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2323         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2324
2325 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
2326
2327         PR rtl-optimization/20306
2328         * expr.c (emit_move_complex): Set try_int false if mode is
2329         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
2330         emit_block_move if try_int is true.
2331
2332 2005-03-11  Richard Henderson  <rth@redhat.com>
2333
2334         PR target/20415
2335         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2336         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2337         to match.
2338
2339 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2340
2341         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2342         (TARGET_FIX_VR4130): New macro.
2343         (TARGET_OPTIONS): Add -mfix-vr4130.
2344         (ISA_HAS_MACCHI): New macro.
2345         (ASM_SPEC): Add -mfix-vr4130.
2346         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2347         (override_options): Handle mips_fix_vr4130_string.
2348         (mips_avoid_hazards): Clear all_noreorder_p
2349         if we're working around VR4130 errata and the macc alternatives
2350         are not available.
2351         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2352         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2353         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2354         (MULTILIB_DEFAULTS): Remove leading "march=".
2355         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
2356         if no architecture option is given.
2357         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2358         VR4130 multilibs.
2359         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2360         * doc/invoke.texi: Document -mfix-vr4130.
2361
2362 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2363
2364         * config/mips/mips.c (override_options): Only warn about -mint64
2365         deprecation if TARGET_INT64.
2366
2367 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2368
2369         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2370         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2371         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2372         are non-specific regarding the nonnull parameter positions.
2373         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2374         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2375         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2376         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2377
2378         * builtins.def: Use the non-specific "nonnull" attibute lists.
2379
2380 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2381
2382         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2383         single_pred_edge, single_succ, single_pred): Improve comments.
2384
2385 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2386
2387         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2388         single_pred_edge, single_succ, single_pred): New inline functions.
2389         * bb-reorder.c (rotate_loop, find_traces_1_round,
2390         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2391         duplicate_computed_gotos): Use the single_succ/pred functions.
2392         * cfganal.c (forwarder_block_p): Ditto.
2393         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2394         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2395         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2396         merge_seq_blocks): Ditto.
2397         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2398         * cfglayout.c (fixup_reorder_chain): Ditto.
2399         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2400         canonicalize_loop_headers, verify_loop_structure): Ditto.
2401         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2402         mfb_update_loops, create_preheader, force_single_succ_latches,
2403         create_loop_notes): Ditto.
2404         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2405         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2406         commit_one_edge_insertion, purge_dead_edges,
2407         cfg_layout_can_merge_blocks_p): Ditto.
2408         * except.c (sjlj_emit_function_enter): Ditto.
2409         * flow.c (init_propagate_block_info): Ditto.
2410         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2411         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2412         insert_insn_end_bb): Ditto.
2413         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2414         find_if_case_2): Ditto.
2415         * lambda-code.c (perfect_nestify): Ditto.
2416         * lcm.c (optimize_mode_switching): Ditto.
2417         * loop-doloop.c (doloop_modify): Ditto.
2418         * loop-init.c (loop_optimizer_init): Ditto.
2419         * loop-iv.c (simplify_using_initial_values): Ditto.
2420         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2421         * loop-unswitch.c (unswitch_loop): Ditto.
2422         * modulo-sched.c (generate_prolog_epilog): Ditto.
2423         * predict.c (combine_predictions_for_insn, estimate_probability,
2424         tree_estimate_probability, last_basic_block_p,
2425         estimate_bb_frequencies): Ditto.
2426         * profile.c (branch_prob): Ditto.
2427         * regrename.c (copyprop_hardreg_forward): Ditto.
2428         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2429         * tracer.c (layout_superblocks): Ditto.
2430         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2431         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2432         cleanup_control_expr_graph, disband_implicit_edges,
2433         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2434         tree_verify_flow_info, tree_make_forwarder_block,
2435         tree_forwarder_block_p, remove_forwarder_block,
2436         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2437         * tree-if-conv.c (tree_if_conversion): Ditto.
2438         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2439         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2440         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2441         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2442         copy_loop_headers): Ditto.
2443         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2444         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2445         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2446         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2447         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2448         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2449         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2450         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2451         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2452         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2453         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2454         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2455         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2456         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2457         slpeel_add_loop_guard): Ditto.
2458
2459 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2460
2461         PR tree-optimization/15784
2462         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2463         and -1 - A to ~A.
2464
2465         * stmt.c (expand_case): Don't change index_type.  Convert minval
2466         to the proper type.
2467
2468         PR tree-optimization/20130
2469         * fold-const.c (fold): Fold x * -1 into -x.
2470
2471 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2472
2473         PR rtl-optimization/20331
2474         * rtlanal.c (modified_between_p): Check its address first for MEM.
2475         (modified_in_p): Likewise.
2476
2477 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2478
2479         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2480
2481 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2482
2483         * expr.c (expand_expr_real_1): If possible, use a conditional
2484         move for expanding MIN_EXPR and MAX_EXPR.
2485         Use temp for moving around rtx-en.
2486
2487 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2488
2489         PR rtl-opt/20412
2490         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2491         correct mode.
2492
2493 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2494
2495         * builtins.c (expand_builtin_signbit): Extend to handle floating
2496         point modes wider than the largest integer type, using the
2497         operand_subword_force function to obtain the signbit's word.
2498
2499 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2500
2501         PR target/20322
2502         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2503         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2504
2505 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2506
2507         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2508
2509 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2510
2511         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2512         type void.
2513         (perform_edge_inserts): Unconditionally call
2514         free_dominator_info.
2515
2516         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2517
2518 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2519
2520         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2521
2522 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2523
2524         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2525
2526         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2527         gcc_unreachable.
2528         (rtl_register_value_prof_hooks,
2529         tree_value_profile_transformations,
2530         tree_register_value_prof_hooks): Likewise.
2531         * var-tracking.c (stack_adjust_offset_pre_post,
2532         variable_htab_free, variable_union, dataflow_set_different_2,
2533         count_uses, variable_was_changed, set_frame_base_location,
2534         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2535         vt_add_function_parameters): Likewise.
2536         * varasm.c (named_section_real, named_section, make_decl_rtl,
2537         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2538         const_hash_1, compare_constant, copy_constant, force_const_mem,
2539         output_constant_pool_2, output_constant_pool_1, output_constant,
2540         output_constructor, make_decl_one_only, decl_tls_model,
2541         default_no_named_section, default_elf_select_section_1,
2542         default_unique_section_1): Likewise.
2543         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2544         * vmsdbgout.c (addr_const_to_string): Likewise.
2545
2546         PR c++/20375
2547         * function.c (struct assign_parm_data_one): Remove last_named
2548         field.
2549         (assign_parm_find_data_types): Don't determine last_named.
2550         Reorder named_parm determination.
2551         (assign_parms): Only setup varargs on the last non-varadic
2552         parameter.
2553
2554 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2555
2556         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2557         sda base address on medium model.
2558
2559 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2560
2561         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2562         * cfgloop.c (flow_loop_nodes_find): Export.
2563         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2564         Declare.
2565         * cfgloopmanip.c (fix_loop_structure): New function.
2566         * predict.c (predict_loops): Clean up the loops information.
2567         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2568         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2569         loop structure.
2570         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2571         (rewrite_into_loop_closed_ssa): Declaration changed.
2572         * tree-loop-linear.c (linear_transform_loops): Add argument to
2573         rewrite_into_loop_closed_ssa call.
2574         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2575         * tree-ssa-loop-im.c (move_computations): Ditto.
2576         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2577         * tree-vectorizer.c (vectorize_loops): Ditto.
2578         * tree-optimize.c: Include cfgloop.h.
2579         (execute_todo): Choose whether to call cleanup_tree_cfg or
2580         cleanup_tree_cfg_loop.
2581         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2582         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2583         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2584         cleanup_tree_cfg_loop call.
2585         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2586         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2587         work on part of cfg.
2588
2589 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR inline-asm/20314
2592         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2593         with multiple alternatives.
2594
2595         * stmt.c (parse_output_constraint): Fix a typo.
2596
2597 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2598
2599         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2600         assembly directive instead of deprecated "no-generics".
2601
2602 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2603
2604         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2605         for non-offsettable memory references to cope with outstanding reload
2606         replacements.
2607         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2608         avoid losing outstanding address reloads.
2609         ("reload_outdi", "reload_outdf"): Likewise.
2610
2611 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2612
2613         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2614         code.  Add more cbrt transformations.
2615
2616 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2617
2618         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2619
2620 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2621
2622         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2623         NULL_TREE when a given tree is not simplified.
2624         (fold): Return the original tree when any of the functions
2625         mentioned above NULL_TREE.
2626
2627         * fold-const.c (fold_unary, fold_binary): Take decomposed
2628         arguments, code, type, op0, and op1 in case of fold_binary.
2629         (fold): Update calls to fold_unary and fold_binary.
2630
2631 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2632
2633         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2634         a fndecl and an arglist instead of a CALL_EXPR, exp.
2635
2636 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2637
2638         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2639
2640         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2641
2642         * expr.c (expand_assignment): Remove orig_to_rtx.
2643
2644         * fold-const.c (int_const_binop): Remove no_overflow.
2645
2646         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2647
2648         * loop-iv.c (get_biv_step_1): Remove lhs.
2649
2650         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2651
2652         * real.c (real_nan): Remove neg.
2653
2654         * function.c (thread_prologue_and_epilogue_insns): Remove i
2655         and newinsn.
2656
2657         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2658         tb.
2659
2660         * tree-eh.c (tree_could_trap_p): Remove idx.
2661
2662         * tree-into-ssa.c (ann): Remove ann.
2663
2664         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2665
2666         * tree-sra.c (decide_block_copy): Remove inst_count.
2667
2668         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2669
2670         * tree-ssa-loop-im.c (lhs): Remove.
2671
2672         * cfgbuild.c (state, STATE, SET_STATE,
2673         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2674         make_edges.
2675         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2676         (find_basic_blocks): Set the state of each basic block to
2677         BLOCK_NEW.
2678
2679 2005-03-08  Jeff Law  <law@redhat.com>
2680
2681         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2682         goto results in the removal of edges in the CFG, then we need
2683         to recompute dominators.
2684
2685 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2686
2687         * c-common.c (c_do_switch_warnings): Comment fix.
2688
2689 2005-03-08  Julian Brown  <julian@codesourcery.com>
2690
2691         * Patch from 2005-03-08 reverted for causing regressions and
2692         ppc-darwin bootstrap failure.
2693
2694 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2695
2696         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2697         Define the real function for ppc-darwin.
2698         * c-typeck.c (convert_arguments): Check for target-specific
2699         invalid argument call to unprototyped function.
2700         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2701         New Macro.
2702         * target.h (invalid_arg_for_unprototyped_fn): New field
2703         in struct calls.
2704         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2705         default target hook.
2706         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2707         Declare.
2708
2709 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2710
2711         * c-typeck.c (constructor_stack, constructor_range_stack,
2712         initializer_stack): Make them static.
2713
2714         * cfg.c (rbi_pool): Make it static.
2715
2716         * gimple-low.c (lower_stmt_body): Make it static.
2717         * tree-flow.h: Remove the corresponding prototype.  Don't
2718         declare lower_data.
2719
2720         * sched-deps.c (cache_size): Make it static.
2721
2722         * stor-layout.c (lang_adjust_rli): Make it static.
2723
2724 2005-03-08  Julian Brown  <julian@codesourcery.com>
2725
2726         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2727         from being used for symbols with vague linkage when
2728         HAVE_GAS_COMDAT_GROUP is true.
2729
2730 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2731
2732         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2733         nlabel == JUMP_LABEL (jump).
2734
2735 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2736
2737         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2738         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2739         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2740         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2741
2742 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2743
2744         PR c/14411
2745         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2746         * c-common.c (handle_returns_twice): New function.
2747         (c_common_attribute_table): Declare eturns_twice' attribute.
2748         * doc/extend.texi: Document eturns_twice' attribute.
2749         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2750         (struct tree_decl): Add returns_twice_flag.
2751
2752 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2753
2754         * tree-ssa-phiopt.c: Fix a comment typo.
2755
2756         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2757         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2758         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2759         copyright.
2760
2761 2005-03-08  Richard Henderson  <rth@redhat.com>
2762
2763         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2764         builtin codes with ctzdi2, clzdi2, popcountdi2.
2765         (struct alpha_builtin_def): Add is_const.
2766         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2767         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2768         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2769         on builtins.
2770         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2771         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2772         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2773         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2774         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2775         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2776         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2777         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2778         (TARGET_FOLD_BUILTIN): New.
2779         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2780         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2781         (ffsdi2): Use ctz.
2782         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2783
2784 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2785
2786         PR tree-optimization/20122
2787         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2788         condition of access function instead of base.
2789
2790 2005-03-07  Jeff Law  <law@redhat.com>
2791             Steven Bosscher  <stevenb@suse.de>
2792
2793         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2794         (find_taken_edge): Call find_taken_edge_computed_goto as
2795         appropriate.  Allow any gimple invariant rather than just
2796         INTEGER_CST for VAL.
2797         (cleanup_control_flow): Cleanup a computed goto which has turned
2798         into a simple goto.
2799         (tree_merge_blocks): If block B has any forced labels, move
2800         them to the start of block A.
2801         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2802         computed gotos as well.
2803         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2804         removal of unnecessary computed gotos too.
2805         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2806         updated.
2807
2808 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2809
2810         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2811         Remove trailing spaces.
2812
2813         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2814         unshare_all_trees): Make them static.
2815         * tree-gimple.h: Remove the corresponding prototypes.
2816
2817         * diagnostic.h: Remove unused prototype
2818         debug_output_buffer.
2819         * modulo-sched.c: Remove unused prototype
2820         set_row_column_for_ps.
2821
2822         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2823         replace_phi_edge_with_variable): Remove unused variable i.
2824
2825 2005-03-07  Per Bothner  <per@bothner.com>
2826
2827         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2828
2829 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2830
2831         PR tree-opt/17671
2832         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2833         bbs on the COND_EXPR instead of the PHI_NODEs.
2834         (candidate_bb_for_phi_optimization): Remove.
2835         (replace_phi_with_stmt): Rename to ...
2836         (replace_phi_edge_with_variable): this and change so that we
2837         replace the phi argument instead of removing the PHI.
2838         (conditional_replacement): Change so we deal with PHI with more
2839         than two arguments.
2840         (value_replacement): Likewise.
2841         (abs_replacement): Likewise.
2842
2843 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2844
2845         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2846         output_e500_flip_gt_bit.
2847
2848         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2849         as bit 31.
2850         (rs6000_generate_compare): Fix logic to look at the correct bits.
2851         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2852         Look at GT bit.
2853         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2854         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2855         gen_move_from_CR_gt_bit.
2856
2857         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2858         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2859         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2860
2861         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2862         (E500_CR_IOR_COMPARE): New constant.
2863
2864 2005-03-08  Earl Chew <earl_chew@agilent.com>
2865             David Billinghurst <David.Billinghurst@riotinto.com>
2866
2867         * config/i386/host-cygwin.c: New file to support precompiled
2868         headers on cygwin
2869         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2870         * config.host: Use above files for cygwin host.
2871
2872 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2873
2874         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2875         ordering ops from earlier change.
2876
2877 2005-03-07  Per Bothner  <per@bothner.com>
2878
2879         Various fixes to allow us to again build if --enable-mapped-location:
2880         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2881         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2882         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2883         local variable loc. Change logic appropriately.
2884         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2885         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2886         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2887         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2888         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2889
2890 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2891
2892         PR rtl-optimization/19683
2893         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2894         number of bytes, to smallest_int_for_mode.  Fix arguments to
2895         REG_CANNOT_CHANGE_MODE_P.
2896
2897 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2898
2899         * reorg.c (relax_delay_slots): Check that the jump is
2900         conditional before trying to invert it.
2901
2902 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2903
2904         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2905         Make them static.
2906
2907         * calls (stack_arg_under_construction): Make it static.
2908
2909         * flow.c (regs_live_at_setjmp): Make it static.
2910         * flow.h: Remove the corresponding prototype.
2911
2912         * reload1.c (reload_startobj, reload_firstobj,
2913         something_needs_operands_changed, reload_inherited,
2914         reload_inheritance_insn, reload_override_in,
2915         reload_spill_index): Make them static.
2916
2917         * recog.c (verify_changes): Make it static.
2918         * recog.h: Remove the corresponding prototype.
2919
2920         * cfgbuild.c (find_sub_basic_blocks): Remove.
2921         * basic-block.h: Remove the corresponding prototype.
2922         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2923         in comments.
2924         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2925
2926         * tree-ssa-operands.c (check_build_stmt): Remove.
2927
2928         * stor-layout.c (set_alignment): Remove.
2929         * tree.h: Remove the corresponding prototype.
2930
2931         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2932
2933         * tree-ssa-dce.c (control_dependence_map,
2934         visited_control_parents): Make them static.
2935
2936         * cfghooks.c (verify_flow_info): Remove local variable
2937         num_bb_notes.
2938
2939         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2940         last_bb_seen.
2941
2942         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2943
2944 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2945
2946         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2947
2948 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2949
2950         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2951         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2952         PARALLEL for an empty structure.
2953
2954 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2955
2956         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2957
2958         * fold-const.c (fold_binary): Unroll the very first "for"
2959         loop.
2960
2961 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2962
2963         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2964         redundant match_code test.
2965         (scc_comparison_operator): Swap match_operand and match_code
2966         tests.
2967         (branch_positive_comparison_operator): Same.
2968         (trap_comparison_operator): Use comparison_operator and swap with
2969         match_code test.
2970
2971 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2972
2973         PR target/20288
2974         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2975         (out_movhi_r_mr): Read low byte of volatile MEM first.
2976         (out_movhi_mr_r): Write high byte of volatile MEM first.
2977
2978 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2979
2980         * cselib.c (reg_values, reg_values_size): Make them static.
2981
2982         * cse.c (cse_reg_info_table): Make it static.
2983
2984         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2985
2986 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2987
2988         * cse.c (find_best_addr): Use canon_for_address.
2989
2990 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2991
2992         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2993         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2994         SUBREG and MEM, respectively.
2995
2996         * fold-const.c (fold_binary): Use code instead of t.
2997
2998         * fold-const.c (optimize_minmax_comparison): Take decomposed
2999         arguments code, type, op0, and op1 instead of t.
3000         (fold_binary): Update a call to optimize_minmax_comparison.
3001
3002         * fold-const.c (fold_range_test): Take decomposed arguments
3003         code, type, op0, and op1 instead of t.
3004         (fold_binary): Update a call to fold_range_test.
3005
3006         * fold-const.c (fold_binary_op_with_conditional_arg): Take
3007         decomposed arguments code, type, op0, and op1 instead of t.
3008         (fold_binary): Update a call to fold_range_test.
3009
3010 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
3011
3012         * fold-const.c (fold_binary): Avoid directly using the original
3013         expression t as much as possible.
3014
3015 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
3016
3017         * c-semantics.c (build_stmt): Use TYPE_P instead of
3018         IS_NON_TYPE_CODE_CLASS.
3019         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
3020         (NON_TYPE_CHECK): Use TYPE_P instead of
3021         IS_NON_TYPE_CODE_CLASS.
3022
3023         * fold-const.c (fold): Remove handling of binary expressions.
3024
3025 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
3026
3027         * doc/c-tree.texi: Wrap comments in @r{}.
3028         * doc/cpp.texi: Likewise.
3029         * doc/cppinternals.texi: Likewise.
3030         * doc/extend.texi: Likewise.
3031         * doc/md.texi: Likewise.
3032         * doc/objc.texi: Likewise.
3033         * doc/sourcebuild.texi: Likewise.
3034         * doc/tm.texi: Likewise.
3035         * doc/tree-ssa.texi
3036
3037 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
3038
3039         * predict.c (apply_return_prediction): Standardize PHI chain
3040         walking.
3041         * tree-ssa.c (ssa_redirect_edge): Likewise.
3042
3043         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
3044         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
3045         Update copyright.
3046
3047         * tree-phinodes.c (remove_phi_node): Drop the last argument.
3048         * tree-flow.h: Adjust the prototype for remove_phi_node.
3049         * lambda-code.c (perfect_nestify): Adjust a call to
3050         remove_phi_node.
3051         * tree-cfg.c
3052         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
3053         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
3054         Likewise.
3055         * tree-ssa-dce.c (remove_dead_phis): Likewise.
3056         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3057         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3058         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
3059
3060         * combine.c (simplify_and_const_int): Use gen_int_mode instead
3061         of GEN_INT (trunc_int_for_mode (...)).
3062         * loop-iv.c (iv_number_of_iterations): Likewise.
3063         * postreload.c (reload_cse_move2add): Likewise.
3064         * simplify-rtx.c (simplify_const_unary_operation,
3065         simplify_const_binary_operation): Likewise.
3066         * stor-layout.c (get_mode_bounds): Likewise.
3067
3068         * fold-const.c (fold_binary): New.
3069         (fold): Call fold_binary on binary expressions.
3070
3071 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
3072
3073         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
3074         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
3075         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
3076         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
3077         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
3078
3079 2005-03-04  Devang Patel  <dpatel@apple.com>
3080
3081         PR tree-optimization/18815
3082         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3083         loops with zero exit edges.
3084
3085 2005-03-04  Devang Patel  <dpatel@apple.com>
3086
3087         * doc/invoke.texi: Remove reference to webpage that does not exist.
3088
3089 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
3090             Joseph S. Myers  <joseph@codesourcery.com>
3091
3092         PR c++/19797
3093         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
3094         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
3095         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
3096         * pa.c (get_plabel): Change argument to symbol_ref.  Call
3097         maybe_get_identifier instead of get_identifier.
3098         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
3099         (struct deferred_plabel): Replace name field with symbol field.
3100         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
3101         ASM_OUTPUT_EXTERNAL_REAL is defined.
3102         (output_global_address): Use output_addr_const for output of all
3103         symbol_refs.
3104         (output_deferred_plabels): Use symbol_ref instead of name for address
3105         output.
3106         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
3107         ASM_OUTPUT_SYMBOL_REF): New macros.
3108         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
3109         comment.
3110         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
3111         label.
3112
3113 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
3114
3115         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
3116         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
3117
3118 2005-03-04  Jeff Law  <law@redhat.com>
3119
3120         * basic-block.h (rediscover_loops_after_threading): Declare.
3121         * tree-ssa-dom.c: Include cfgloop.h.
3122         (tree_ssa_dominator_optimize): Discover loops and some basic
3123         properties.  Remove forwarder blocks recreated by loop header
3124         canonicalization.  Also mark backedges in the CFG.
3125         * tree-ssa-threadupdate.c: Include cfgloop.h
3126         (rediscover_loops_after_threading): Define.
3127         (struct local_info): New field, JUMP_THREADED.
3128         (prune_undesirable_thread_requests): New function.
3129         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
3130         then record that fact for the callers of redirct_edges.
3131         (thread_block): If BB has incoming backedges, then call
3132         prune_undesirable_thraed_requests.    Note when we are
3133         going to have to rediscover loop information.  Return a
3134         boolean indicating if any jumps were threaded.
3135         (thread_through_all_blocks): Bubble up boolean indicating
3136         if any jumps were threaded.
3137         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
3138         (tree-ssa-threadupdate.o): Similarly.
3139
3140 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3141
3142         * fold-const.c (fold_ternary): Unroll the "for" loop to
3143         extract operands.
3144
3145 2005-03-04  Andrew Haley  <aph@redhat.com>
3146
3147         * unwind-dw2-fde-glibc.c (struct
3148         unw_eh_callback_data.check_cache): New field.
3149         (frame_hdr_cache): New.
3150         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
3151         Cache frame header info.
3152
3153 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
3154
3155         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
3156         (print_c_condition): Declare.
3157         * read-rtl.c (ptr_loc): New structure.
3158         (ptr_locs, ptr_loc_obstack, joined_conditions)
3159         (joined_conditions_obstack): New variables.
3160         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
3161         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
3162         (join_c_conditions, print_c_condition): New functions.
3163         (apply_macro_to_string): Associate the new string with the same
3164         source location as the old one.
3165         (add_condition_to_string): Use join_c_conditions.
3166         (read_string): Use set_rtx_ptr_loc to record a filename and line
3167         number for the string.
3168         (read_rtx): Initialize the new variables above.
3169         * genattrtab.c (write_test_expr, write_attr_value): Use
3170         print_c_condition.
3171         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
3172         comment above the GCC_VERSION check.
3173         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
3174         Inline the definition of MAYBE_EVAL.
3175         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
3176         * genoutput.c (process_template): Likewise.
3177         * genpreds.c (write_predicate_subfunction): Likewise.
3178         (write_predicate_expr): Use print_c_condition.
3179         * genrecog.c (write_cond): Likewise.
3180         * gensupport.c (process_rtx): Use join_c_conditions to join the
3181         conditions of a define_insn_and_split.  Record a source location
3182         for the string after the "&&".
3183         (alter_test_for_insn): Use join_c_conditions.
3184
3185 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
3186
3187         Revert for now:
3188         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3189         PR tree-optimization/15784
3190         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3191         and -1 - A to ~A.
3192
3193 2005-03-04  Ben Elliston  <bje@au.ibm.com>
3194
3195         * gcc.c (option_map): Add --coverage.
3196         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
3197         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
3198         * config/darwin.h: Pass -lgcov for `coverage'.
3199         * doc/invoke.texi (Debugging Options): Document --coverage.
3200
3201 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3202
3203         * gcse.c (bypass_block): Use find_edge wherever possible.
3204
3205 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
3206
3207         Fix PR debug/20253
3208
3209         * c-opts.c (c_common_parse_file): Call start_source_file
3210         and end_source_file at the approriate times.
3211
3212         * dwarf2out.c (dwarf2out_finish): Don't auto-end
3213         the main file, it will be done for us now.
3214
3215 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3216
3217         * fold-const.c (fold_ternary): New.
3218         (fold): Call fold_ternary on ternary expressions.  Remove
3219         handling of ternary expressions.
3220
3221 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3222
3223         PR tree-optimization/15784
3224         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3225         and -1 - A to ~A.
3226
3227 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
3228
3229         * config/rs6000/predicates.md (branch_comparison_operator):
3230         Convert from C block to conditional format.
3231
3232 2005-03-03  Jan Hubicka  <jh@suse.cz>
3233
3234         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
3235         and non-constant public variables.
3236
3237 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
3238
3239         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
3240         with LABEL_EXPR.
3241
3242         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
3243         EDGE_I.
3244
3245         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
3246         calls to release_ssa_name and release_phi_node.
3247
3248         * fold-const.c (fold): Remove handling of unary expressions.
3249
3250         * fold-const.c (fold_unary): Avoid directly using the original
3251         expression t as much as possible.
3252
3253 2005-03-03  Roger Sayle  <roger@eyesopen.com>
3254             Andrew Pinski  <pinskia@physics.uc.edu>
3255
3256         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
3257         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
3258
3259 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
3260
3261         Describe special registers SRP and MOF as allocatable registers.
3262         * config/cris/cris.c (cris_md_asm_clobbers): New function.
3263         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
3264         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
3265         TARGET_HAS_MUL_INSNS.
3266         (cris_print_operand) <case 'd'>: New case.
3267         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
3268         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
3269         define.
3270         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
3271         (REG_ALLOC_ORDER): Update for MOF.
3272         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
3273         SPECIAL_REGS.
3274         (GENERAL_REGS): No longer a define of ALL_REGS.
3275         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
3276         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3277         Adjust accordingly.
3278         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
3279         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
3280         (SECONDARY_RELOAD_CLASS): Define.
3281         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
3282         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
3283         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
3284         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
3285         (REGISTER_MOVE_COST): Define.
3286         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
3287         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
3288         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
3289         (CRIS_MOF_REGNUM): New define_constants.
3290         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
3291         special registers.
3292         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
3293         New patterns.
3294         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
3295         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
3296         Adjust for MOF being properly described as a register.
3297         (indir_to_reg_split): Name this split.  Conditionalize on the
3298         destination register being a general register.
3299         (movei): Conditionalize on on operands 0 and 1 having the same
3300         register class.
3301
3302 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
3303
3304         PR target/20277
3305         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
3306         -mcpu to override any other explicitly given flags.
3307
3308 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
3309
3310         * recog.c (verify_changes, confirm_change_group): New functions,
3311         broken out of apply_change_group.
3312         (apply_change_group): Use them.
3313         * recog.h (verify_change, confirm_change_group): Declare.
3314         * rtl.h (redirect_jump_2): Declare.
3315         * jump.c (redirect_exp, invert_exp): Delete.
3316         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
3317         (redirect_jump_2): New function, broken out of redirect_jump.
3318         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3319         (invert_jump): Use invert_jump_1 and redirect_jump_2.
3320         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3321
3322 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
3323
3324         * varasm.c (named_section): Use xstrdup rather than doing it by
3325         hand.
3326
3327         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3328
3329 2005-03-02  Devang Patel  <dpatel@apple.com>
3330
3331         Undo PR tree-optimization/18815 fix.
3332
3333 2005-03-02  Devang Patel  <dpatel@apple.com>
3334
3335         PR tree-optimization/18815
3336         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3337         loops with zero exit edges.
3338
3339 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3340
3341         * cfg.c (connect_src, connect_dest, disconnect_src,
3342         disconnct_dest): New.
3343         (unchecked_make_edge, remove_edge, redirect_edge_succ,
3344         redirect_edge_pred): Use the new functions.
3345
3346         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3347         free_dominance_info only when needed.
3348
3349 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
3350
3351         PR target/20276
3352         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3353         (reg_or_sub_cint64_operand): Same.
3354
3355 2005-03-02  Jeff Law  <law@redhat.com>
3356
3357         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3358         CFG_ALTERED in the main DOM iteration loop.
3359
3360 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
3361
3362         PR c++/19916
3363         * varasm.c (initializer_constant_valid_p): Allow conversions
3364         between OFFSET_TYPEs.  Tidy.
3365
3366 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3367
3368         * config/cris/cris.md ("return"): Remove epilogue delay list
3369         sanity check.
3370
3371 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3372
3373         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3374         for Thumb.
3375         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3376
3377 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3378
3379         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3380         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3381         config/m68k/m68k.c, config/mips/mips.h,
3382         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3383         doc/include/gcc-common.texi: Update copyright.
3384
3385         PR middle-end/18029 and PR middle-end/18030
3386         * expr.c (optimize_bitfield_assignment_op): Add a special case
3387         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3388
3389         * fold-const.c (fold_unary): New.
3390         (fold): Call fold_unary on unary expressions.
3391
3392 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3393
3394         * cgraph.h (struct cgraph_edge): Add prev_caller and
3395         prev_callee fields.
3396         (cgraph_node_remove_callees): Export.
3397         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3398         and prev_callee.
3399         (cgraph_edge_remove_callee): New function.
3400         (cgraph_edge_remove_caller): Likewise.
3401         (cgraph_remove_edge): Use.
3402         (cgraph_redirect_edge_callee): Likewise.
3403         (cgraph_node_remove_callees): New function.
3404         (cgraph_node_remove_callers): Likewise.
3405         (cgraph_remove_node): Use.
3406         * tree-optimize.c (tree_rest_of_compilation): Use
3407         cgraph_node_remove_callees instead of manual loop.
3408         * cgraphunit.c (cgraph_finalize_function): Likewise.
3409         (cgraph_expand_function): Likewise.
3410         (cgraph_remove_unreachable_nodes): Likewise.
3411
3412 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3413
3414         PR c/8927
3415         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3416         argument.
3417         * c-decl.c (undeclared_variable): Take location as argument.
3418         * c-typeck.c (build_external_ref): Likewise.
3419         * c-parser.c (c_parser_postfix_expression): Pass location of
3420         identifier to build_external_ref.
3421
3422 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3423
3424         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3425         CCEQ mode for branch_positive_comparison_operator test.
3426         * config/rs6000/predicates (branch_comparison_operator): Revert to
3427         define_predicate.
3428         (scc_comparison_operator): Same.
3429         (branch_positive_comparison_operator): Same.
3430
3431 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3432
3433         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3434         (cris_delay_slots_for_epilogue): Remove.
3435         (save_last): Move into cris_target_asm_function_epilogue.
3436         (cris_target_asm_function_epilogue): Remove tests for file being
3437         NULL.
3438         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3439         (cris_delay_slots_for_epilogue): Remove prototypes.
3440         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3441         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3442
3443 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3444
3445         * config/rs6000/predicates.md (branch_comparison_operator): Change
3446         to define_special_predicate.
3447         (scc_comparison_operator): Same.
3448         (branch_positive_comparison_operator): Same.
3449
3450 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3451
3452         * Makefile.in (tree-ssa-sink.o): New.
3453         (OBJS-common): Add tree-ssa-sink.o.
3454         * common.opt: Add -ftree-sink
3455         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3456         * timevar.def (TV_TREE_SINK): new timevar.
3457         * tree-flow.h (is_hidden_global_store): Prototype.
3458         * tree-optimize.c (init_tree_optimization_passes): Add
3459         pass_sink_code.
3460         * tree-pass.h (pass_sink_code): New.
3461         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3462         for non-obvious global store store to is_hidden_global_store, and
3463         call that new function.
3464         * tree-ssa-sink.c: New file.
3465         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3466         * doc/passes.texi: Document forward store motion.
3467         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3468         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3469         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3470         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3471
3472 2005-03-01  Per Bothner  <per@bothner.com>
3473
3474         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3475         and we have a non-zero column-number, add it to the message.
3476         Also factor out the diagnostic_kind_text.
3477
3478 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3479
3480         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3481         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3482         flow_loop_scan): Removed.
3483         (flow_loop_dump): Do not dump removed fields.
3484         (flow_loop_free): Do not free removed fields.
3485         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3486         (loop_exit_edge_p): New function.
3487         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3488         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3489         num_exits, exits_doms.
3490         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3491         LOOP_EDGES, LOOP_ALL): Removed.
3492         (flow_loop_scan): Declaration removed.
3493         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3494         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3495         flow_loops_find.
3496         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3497         (if_convert): Call flow_loops_find and flow_loops_free
3498         when calling mark_loop_exit_edges.
3499         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3500         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3501         free_dominance_info calls.
3502         * loop-init.c (flow_loops_find): Ditto.
3503         * passes.c (rest_of_handle_branch_prob): Ditto.
3504         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3505         * loop-unroll.c (analyze_insns_in_loop): Do not use
3506         EDGE_LOOP_EXIT.
3507         * predict.c (predict_loops): Do not call flow_loop_scan.
3508         Use get_loop_exit_edges.
3509         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3510         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3511         Do not use EDGE_LOOP_EXIT.
3512         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3513         to bb_with_exit_edge_p.
3514         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3515         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3516         to bb_with_exit_edge_p.
3517         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3518         EDGE_LOOP_EXIT.
3519         * tree-loop-linear.c (linear_transform_loops): Do not call
3520         flow_loop_scan.  Use loop->single_exit.
3521         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3522         (vect_analyze_loop_form): Do not call flow_loop_scan.
3523         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3524         loop->single_exit.
3525         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3526         loop->single_exit.
3527         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3528         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3529         slpeel_tree_duplicate_loop_to_edge_cfg,
3530         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3531         Use loop_preheader_edge and loop->single_exit.  Do not call
3532         flow_loop_scan.
3533
3534 2005-03-01  Nick Clifton  <nickc@redhat.com>
3535
3536         * config/arm/arm.c (thumb_find_work_register): Check all of the
3537         argument registers to see if they are free, and a couple of
3538         special cases where the last argument register but can be proved
3539         to be available during the function's prologue.
3540         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3541         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3542         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3543         register bit-mask.
3544         (thumb_compute_save_reg_mask): Likewise.  Also use
3545         thumb_find_work_register() to ensure that there is agreement about
3546         which work register is going to be used in the prologue.
3547         (thumb_output_function_prologue): Use unsigned long as the type
3548         for the register bit-mask.  Also delay pushing the link register if
3549         other high registers are going to be pushed.
3550         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3551         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3552         redundant prototypes.
3553
3554 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3555
3556         PR target/19819
3557         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3558         and after reload in REG+REG indexed addresses without REG_POINTER
3559         set in the base and not set in the index.
3560
3561 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3562
3563         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3564         Don't undefine here.
3565         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3566         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3567         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3568         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3569         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3570         Delete.
3571         * config.gcc (sh*-*-linux*): Use config/linux.h.
3572
3573 2005-02-28  Dale Johannesen  <dalej@apple.com>
3574             Stan Shebs  <shebs@apple.com>
3575
3576         Rewrite of 64-bit Darwin structure-by-value pass/return.
3577         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3578         intoffset, use_stack, named.
3579         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3580         (rs6000_darwin64_record_arg_advance_flush):  New.
3581         (rs6000_darwin64_record_arg_advance_recurse): New.
3582         (rs6000_darwin64_record_arg_flush):  New.
3583         (rs6000_darwin64_record_arg_recurse):  New.
3584         (rs6000_darwin64_record_arg):  New.
3585         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3586         (function_arg_boundary):  Handle 128-bit aligned structs.
3587         (function_arg_advance):  Rewrite darwin64 struct handling.
3588         (function_arg):  Call rs6000_darwin64_record_arg.
3589         (function_arg_partial_nregs):  Handle darwin64 structs.
3590         (rs6000_darwin64_function_value):  Remove.
3591         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3592
3593 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3594
3595         PR tree-optimization/20216
3596         * tree-chrec.c (tree_fold_factorial): Delete.
3597         (tree_fold_binomial): Change argument list to take a return type
3598         and change the type of K to unsigned int.  Rewrite to avoid explicit
3599         evaluation of factorials, and (recursively) calling fold to perform
3600         compile-time arithmetic.  Return NULL on (internal) overflow.
3601         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3602         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3603         if any intermediate calculation overflows.
3604         (chrec_apply): Update call to chrec_evaluate.
3605
3606 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3607
3608         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3609
3610 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3611
3612         PR c/20245
3613         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3614         instead of NULL_TREE on error.
3615
3616 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3617
3618         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3619         (EASY_VECTOR_15_ADD_SELF): Remove.
3620         (num_insns_constant_wide): Not static.
3621         (validate_condition_mode): Not static.
3622         (toc_relative_expr_p): Not static.
3623         (legitimate_indirect_address_p): Not static.
3624         (macho_lo_sum_memory_operand): Not static.
3625         (invalid_e500_subreg): Not static.
3626         (easy_vector_same): Not static.
3627         (easy_vector_splat_const): Not static.
3628         (RS6000_SYMBOL_REF_TLS_P): Remove.
3629         (any_operand): Delete.
3630         (any_parallel_operand): Delete.
3631         (count_register_operand): Delete.
3632         (altivec_register_operand): Delete.
3633         (xer_operand): Delete.
3634         (s8bit_cint_operand): Delete.
3635         (short_cint_operand): Delete.
3636         (u_short_cint_operand): Delete.
3637         (non_short_cint_operand): Delete.
3638         (exact_log2_cint_operand): Delete.
3639         (gpc_reg_operand): Delete.
3640         (cc_reg_operand): Delete.
3641         (cc_reg_not_cr0_operand): Delete.
3642         (reg_or_short_operand): Delete.
3643         (reg_or_neg_short_operand): Delete.
3644         (reg_or_aligned_short_operand): Delete.
3645         (reg_or_u_short_operand): Delete.
3646         (reg_or_cint_operand): Delete.
3647         (reg_or_arith_cint_operand): Delete.
3648         (reg_or_add_cint64_operand): Delete.
3649         (reg_or_sub_cint64_operand): Delete.
3650         (reg_or_logical_cint_operand): Delete.
3651         (got_operand): Delete.
3652         (got_no_const_operand): Delete.
3653         (easy_fp_constant): Delete.
3654         (easy_vector_constant): Delete.
3655         (easy_vector_constant_add_self): Delete.
3656         (zero_constant): Delete.
3657         (zero_fp_constant): Delete.
3658         (volatile_mem_operand): Delete.
3659         (offsettable_mem_operand): Delete.
3660         (mem_or_easy_const_operand): Delete.
3661         (add_operand): Delete.
3662         (non_add_cint_operand): Delete.
3663         (logical_operand): Delete.
3664         (non_logical_cint_operand): Delete.
3665         (mask_operand): Delete.
3666         (mask_operand_wrap): Delete.
3667         (mask64_operand): Delete.
3668         (mask64_2_operand): Delete.
3669         (and64_operand): Delete.
3670         (and64_2_operand): Delete.
3671         (and_operand): Delete.
3672         (reg_or_mem_operand): Delete.
3673         (lwa_operand): Delete.
3674         (symbol_ref_operand): Delete.
3675         (call_operand): Delete.
3676         (current_file_function_operand): Delete.
3677         (input_operand): Delete.
3678         (rs6000_nonimmediate_operand): Delete.
3679         (rs6000_tls_symbol_ref): Delete.
3680         (save_world_operation): Delete.
3681         (restore_world_operation): Delete.
3682         (load_multiple_operation): Delete.
3683         (store_multiple_operation): Delete.
3684         (vrsave_operation): Delete.
3685         (mfcr_operation): Delete.
3686         (mtcrf_operation): Delete.
3687         (lmw_operation): Delete.
3688         (stmw_operation): Delete.
3689         (branch_comparison_operator): Delete.
3690         (branch_positive_comparison_operator): Delete.
3691         (scc_comparison_operator): Delete.
3692         (trap_comparison_operator): Delete.
3693         (boolean_operator): Delete.
3694         (boolean_or_operator): Delete.
3695         (min_max_operator): Delete.
3696         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3697         (EASY_VECTOR_15): Moved to here.
3698         (EASY_VECTOR_15_ADD_SELF): Move to here.
3699         (PREDICATE_CODES): Delete.
3700         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3701         Declare functions no longer static.
3702         * config/rs6000/predicates.md: New.
3703         * config/rs6000/rs6000.md: Include predicates.md
3704
3705 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3706
3707         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3708         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3709         REG_ALWAYS_RETURN.
3710         * cfgrtl.c (need_fake_edge_p): Likewise.
3711         * combine.c (distribute_notes): Likewise.
3712         * emit-rtl.c (try_split): Likewise.
3713         * recog.c (peephole2_opimize): Likewise.
3714         * reg-notes.def (ALWAYS_RETURN): Remove.
3715         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3716         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3717         * tree.h (ECF_ALWAYS_RETURN): Remove.
3718
3719 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3720
3721         PR middle-end/19874
3722         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3723         between different machine modes is never a "useless" conversion.
3724
3725 2005-02-28  Geert Bosch  <bosch@gnat.com>
3726
3727         PR ada/15977
3728         * doc/contrib.texi: List contributors for Ada front end
3729
3730 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3731
3732         * simplify-rtx.c (simplify_unary_operation_1,
3733         simplify_const_unary_operation): New, extracted from...
3734         (simplify_unary_operation): ... this one.
3735         (simplify_binary_operation_1,
3736         simplify_const_binary_operation): New, extracted from...
3737         (simplify_binary_operation): ... this one.
3738         * rtl.h (simplify_const_unary_operation,
3739         simplify_const_binary_operation): Add prototypes.
3740
3741 2005-02-28  Julian Brown  <julian@codesourcery.com>
3742
3743         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3744         building libjava and caused PR regression/20228.
3745
3746 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3747
3748         PR bootstrap/17383
3749         * Makefile.in (host_subdir): New.
3750         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3751         * configure: Regenerate.
3752
3753 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3754
3755         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3756         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3757         installation directory first.
3758
3759 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3760
3761         PR target/19065.
3762         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3763         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3764         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3765         * config/cris/cris.md: Tweak comments referring to Q.
3766         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3767         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3768         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3769         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3770         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3771         Insert spaces in constraints to align alternatives vertically for
3772         readability.
3773         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3774         operand 1: "M".
3775
3776 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3777
3778         PR rtl-optimization/17728
3779         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3780         operand 0 from general_operand to move_dest_operand.
3781
3782 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3783
3784         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3785         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3786         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3787         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3788
3789 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3790
3791         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3792         * configure: Regenerate.
3793         * libada-mk.in: Remove CC; rename
3794         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3795
3796 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3797
3798         PR tree-opt/20188
3799         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3800         for the lhs, also walk over the tree.  Likewise for rhs.
3801
3802 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3803
3804         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3805         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3806         Do not propagate value of iv before increment over the increment.
3807
3808 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3809
3810         * c-parser.c: New file.
3811         * c-parse.in: Remove.
3812         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3813         Remove.
3814         (c-parser.o): Add dependencies.
3815         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3816         maintainer-clean, TAGS): Update.
3817         * c-config-lang.in (gtfiles): Update.
3818         * gengtype-lex.l: Don't handle "@@".
3819         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3820         objc_build_synchronized, objc_begin_try_stmt,
3821         objc_begin_catch_clause, objc_finish_catch_clause,
3822         objc_build_finally_clause, objc_finish_try_stmt): New.
3823         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3824         type_seen_p.
3825         (c_parse_init): Update comment.
3826         * c-decl.c (c_init_decl_processing): Update comment.
3827         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3828         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3829         new c_declspecs members.
3830
3831 2005-02-25  Julian Brown  <julian@codesourcery.com>
3832
3833         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3834         from being used for symbols with vague linkage when
3835         HAVE_GAS_COMDAT_GROUP is true.
3836
3837 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3838
3839         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3840
3841 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3842
3843         PR target/19930
3844         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3845         (LIBGCC2_HAS_DF_MODE): New.
3846         (LIBGCC2_HAS_XF_MODE): New.
3847         (LIBGCC2_HAS_TF_MODE): New.
3848         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3849         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3850         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3851         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3852         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3853         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3854         and add _fixtfdi, _fixunstfdi, _floatditf
3855         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3856         L_fixunstfdi, L_floatditf.
3857         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3858         (LIBGCC2_HAS_TF_MODE): Define.
3859
3860 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3861
3862         PR tree-optimization/20204
3863         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3864         REWRITE_THIS_STMT markers on PHI nodes.
3865         (rewrite_initialize_block): Likewise.
3866
3867 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3868
3869         * version.c (version_string): Update to 4.1.
3870
3871 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3872
3873         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3874         Clarify that the alternative way doesn't work in GNU C++.
3875
3876 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3877
3878         PR tree-optimization/19937
3879         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3880         to the type of the induction variable.
3881
3882 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3883
3884         PR rtl-optimization/20117
3885         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3886         the block including noncopyable insn.
3887
3888 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3889
3890         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3891         calls to find_reg_note.
3892
3893 2005-02-24  Richard Henderson  <rth@redhat.com>
3894
3895         PR tree-opt/20127
3896         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3897         the type.
3898
3899 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3900
3901         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3902         vector types if to use base reg for misaligned non-word ld/std.
3903
3904 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3905
3906         PR target/14619
3907         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3908         dwarf2 label manually and put it after, not before the prologue.
3909
3910 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3911
3912         PR target/19019
3913         * reload.c (operands_match_p): Only increment register number for
3914         SCALAR_INT_MODE_P modes in multiple hard registers.
3915
3916         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3917         Fix formatting.
3918
3919 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3920
3921         * ChangeLog.5: Fix log message typo(s).
3922         * ChangeLog.7: Likewise.
3923         * ChangeLog.tree-ssa: Likewise.
3924         * cfgexpand.c: Fix comment typo(s).
3925         * conflict.c: Likewise.
3926         * defaults.h: Likewise.
3927         * dwarf2out.c: Likewise.
3928         * gcse.c: Likewise.
3929         * ggc-page.c: Likewise.
3930         * tree-eh.c: Likewise.
3931         * tree-ssa-dom.c: Likewise.
3932
3933 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3934
3935         PR target/19019
3936         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3937         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3938         if SHARED is defined.
3939
3940         PR target/20196
3941         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3942         allow splitting only if operands 0 and 3 don't overlap.
3943
3944 2005-02-24  Richard Henderson  <rth@redhat.com>
3945
3946         PR middle-end/19953
3947         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3948         (fold_builtin_1): Call them.
3949         * fold-const.c (fold_complex_mult_parts): Split out from ...
3950         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3951         (fold_complex_div_parts, fold_complex_div): New.
3952         (fold): Use them.
3953         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3954
3955 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3956
3957         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3958         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3959
3960         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3961         (print_node): Likewise.
3962         Print TYPE_SIZES_GIMPLIFIED.
3963
3964 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3965
3966         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3967         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3968         operands as commutative in constraints.
3969
3970 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3971
3972         * tree-into-ssa.c: Re-organize internal functions.
3973
3974 2005-02-24  Richard Henderson  <rth@redhat.com>
3975
3976         PR middle-end/18902
3977         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3978         for c99.
3979         * common.opt (fcx-limited-range): New.
3980         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3981         * toplev.c (flag_complex_method): Initialize to 1.
3982         (process_options): Set flag_complex_method to 0 if
3983         flag_cx_limited_range.
3984         * doc/invoke.texi (-fcx-limited-range): New.
3985
3986 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3987
3988         * cse.c (delete_trivially_dead_insns): Speed up by using
3989         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3990         prev_real_insn.
3991
3992 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3993
3994         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3995         functions when -mid-shared-library is being used.
3996
3997 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3998
3999         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
4000         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
4001         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
4002         * system.h: Poison LINK_LIBGCC_SPECIAL.
4003
4004 2005-02-23  James E Wilson  <wilson@specifixinc.com>
4005
4006         * gengtype.c (note_insn_name): Make 1 element larger.
4007
4008 2005-02-23  Roger Sayle  <roger@eyesopen.com>
4009
4010         PR target/20018
4011         PR rtl-optimization/20097
4012         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4013         BImode SUBREGs of SImode registers which confuse the ia64 backend.
4014
4015 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
4016
4017         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
4018         * t-aix52 (SHLIB_INSTALL): Same.
4019
4020 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
4021
4022         * genpreds.c: Update copyright.
4023
4024 2005-02-23  Michael Beach  <michaelb@ieee.org>
4025
4026         PR target/20159
4027         * config/sparc/t-elf (startup files): Assemble with CPP.
4028
4029 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
4030
4031         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
4032         (write_predicate_expr): Likewise.
4033
4034 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4035
4036         PR tree-optimization/20100
4037         PR tree-optimization/20115
4038         * tree-optimize.c (init_tree_optimization_passes): Remove
4039         pass_maybe_create_global_var.
4040         * tree-pass.h (pass_maybe_create_global_var): Remove.
4041         * tree-ssa-alias.c (aliases_computed_p): Declare.
4042         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
4043         (count_calls_and_maybe_create_global_var): Remove.
4044         (pass_maybe_create_global_var): Remove.
4045         (init_alias_info): Do not declare aliases_computed_p.
4046         (maybe_create_global_var): If the function contains no
4047         call-clobbered variables and a mix of pure/const and regular
4048         function calls, create .GLOBAL_VAR.
4049         Mark all call-clobbered variables for renaming.
4050         (merge_pointed_to_info): Update comment.
4051         (add_pointed_to_var): Likewise.
4052         (is_escape_site): Likewise.
4053         Accept struct alias_info * instead of size_t *.
4054         Update all users.
4055         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
4056         as necessary.
4057         * tree-ssa-operands.c (get_call_expr_operands): If
4058         ALIASES_COMPUTED_P is false, do not add call-clobbering
4059         operands.
4060         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
4061         (delete_tree_ssa): Likewise.
4062
4063 2005-02-22  James E Wilson  <wilson@specifixinc.com>
4064
4065         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
4066         (do_compile): Do call it here.
4067
4068 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4069
4070         PR rtl-optimization/20017.
4071         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
4072         rest_of_handle_cse2, rest_of_handle_gcse): Call
4073         delete_dead_jumptables immediately before calling cleanup_cfg.
4074
4075 2005-02-22  Devang Patel  <dpatel@apple.com>
4076
4077         PR 19952
4078         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
4079         all labels
4080
4081 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
4082
4083         * config/rs6000/aix.h (WINT_TYPE): Define.
4084
4085 2005-02-22  Stan Shebs  <shebs@apple.com>
4086
4087         * config/rs6000/rs6000.c (rs6000_override_options): Default to
4088         natural alignment for 64-bit Darwin.
4089         (rs6000_parse_alignment_option): Warn about uses of -malign-power
4090         on 64-bit Darwin.
4091         * doc/invoke.texi: Document this.
4092
4093 2005-02-22  DJ Delorie  <dj@redhat.com>
4094
4095         * c-common.c (c_common_type_for_mode): Pass the mode's precision
4096         to make_[un]signed_type, not the mode itself.
4097
4098 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4099
4100         * cfg.c (cached_make_edge): Call make_edge if edge cache is
4101         not available.  Use tail calls wherever possible.
4102         (make_edge): Call unchecked_make_edge to create an edge.
4103
4104         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
4105         (coalesce_ssa_name): Don't check for
4106         SSANORM_USE_COALESCE_LIST.
4107         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
4108
4109 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4110
4111         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
4112         (rewrite_into_ssa): ... here.
4113
4114 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
4115
4116         PR tree-optimization/19786
4117         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
4118         tag to another's may-alias bitmap when adding to the other's list.
4119
4120 2005-02-21  DJ Delorie  <dj@redhat.com>
4121
4122         * tree-ssa-loop-ivopts.c (computation_cost): Start register
4123         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
4124         registers in unsupported ways.
4125         * expmed.c (init_expmed): Likewise.
4126
4127 2005-02-21  Stan Cox  <scox@redhat.com>
4128
4129         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
4130
4131 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4132
4133         * tree-cfg.c (fold_cond_expr_cond): New.
4134         (make_edges): Call fold_cond_expr_cond.
4135         (find_taken_edge): Accept nothing but INTEGER_CST.
4136         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
4137         and 1.
4138         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
4139
4140         * flow.c (delete_dead_jumptables): Speed up by scanning insns
4141         that do not belong to any basic block.
4142
4143 2005-02-21  Jeff Law  <law@redhat.com>
4144
4145         * cfganal.c (find_unreachable_blocks): Manually CSE load of
4146         e->dest.
4147
4148 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4149
4150         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
4151         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
4152         Adjust their definitions.
4153         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
4154         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
4155
4156         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
4157         genautomata.c, langhooks.c, langhooks.h, system.h,
4158         config/arm/lib1funcs.asm: Update copyright.
4159
4160 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4161
4162         * dbxout.c (dbxout_function_end): Emit Lscope label always.
4163
4164 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
4165
4166         PR bootstrap/13770
4167         * doc/install.texi: Document --with-gc.
4168
4169 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
4170
4171         * simplify-rtx.c (simplify_unary_operation): Add a missing
4172         "break" statement.
4173
4174 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4175
4176         PR tree-optimization/18663
4177         * tree-ssa-dom.c (extract_range_from_cond): Return 0
4178         if the type has variable bounds.
4179
4180 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
4181
4182         * gcse.c: Remove an obsolete comment.
4183
4184         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
4185
4186 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
4187
4188         * doc/extend.texi (Function Attributes) <Attribute const>: The
4189         attribute "pure" is below this text, not above.
4190
4191 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4192
4193         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
4194         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
4195         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
4196
4197 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
4198
4199         PR 18785
4200         * langhooks.h (struct lang_hooks): Add to_target_charset.
4201         * langhooks.c (lhd_to_target_charset): New function.
4202         * langhooks-def.h: Declare lhd_to_target_charset.
4203         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
4204         (LANG_HOOKS_INITIALIZER): Update.
4205         * c-common.c (c_common_to_target_charset): New function.
4206         * c-common.h: Declare it.
4207         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
4208         c_common_to_target_charset.
4209
4210         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
4211         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
4212         Delete definitions.
4213         * system.h: Poison them.
4214         * doc/tm.texi: Don't discuss them.
4215         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
4216         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
4217         (pp_c_char): Do not attempt to generate letter escapes for
4218         newline, tab, etc.
4219         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
4220         * config/mips/mips.c (mips_output_ascii): Likewise.
4221
4222 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
4223
4224         PR tree-optimization/19951
4225         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
4226         is abnormal.
4227
4228 2005-02-19  Steven Bosscher  <stevenb@suse.de>
4229
4230         PR middle-end/19698
4231         * function.h (struct function): New field `max_loop_depth'.
4232         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
4233         (flow_loops_find): Reset the max loop depth count before finding loops.
4234         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
4235         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
4236         (calculate_global_regs_live): Make sure the loop will terminate
4237         when the initial sets are not empty.
4238
4239 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
4240
4241         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
4242         object inside.
4243         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
4244
4245 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
4246
4247         PR other/19525
4248         * doc/invoke.texi: Remove documentation of %M spec.
4249         * gcc.c: Likewise.
4250         (init_spec): Remove %M suffix from -lgcc_s.
4251         (do_spec_1): Remove 'M' case.
4252         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
4253         to put shared libraries in the multilib directory.  Remove the
4254         shlib_so_soname substitution variable.  Don't add a multilib encoding
4255         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
4256         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
4257         SHLIB_INSTALL as well as SHLIB_LINK.
4258         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
4259         (SHLIB_NAME): Delete.
4260         (SHLIB_DIR): New macro.
4261         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
4262         (SHLIB_INSTALL): Adjust accordingly.
4263         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
4264         * config/t-slibgcc-sld: Likewise.
4265         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
4266         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
4267         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
4268         in $(SHLIB_DIR).
4269         (SHLIBUNWIND_INSTALL): Adjust accordingly.
4270         * config/i386/t-nwld (SHLIB_SONAME): Delete.
4271         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
4272         Use @shlib_base_name@ instead of @shlib_so_name@.
4273         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
4274         and @shlib_base_name@.so in @multilib_dir@.
4275         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
4276         to the install path.
4277         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
4278         (SHLIB_LINK): Remove previous workaround.
4279         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
4280         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
4281         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
4282         the install path.
4283         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
4284         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
4285         (SHLIB_INSTALL): Adjust accordingly.
4286         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
4287         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
4288         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
4289         config/t-slibgcc-elf-ver.
4290
4291 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
4292             Jakub Jelinek  <jakub@redhat.com>
4293
4294         PR tree-optimization/19828
4295         * tree-ssa-loop-im.c: Add a TODO comment.
4296         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
4297         without side-effects.
4298
4299 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4300
4301         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
4302         call fold_convert.
4303
4304 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
4305
4306         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
4307         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
4308         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
4309         functions.
4310         (ia64_reorg): Delete fixup_errata call.
4311         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
4312         (TARGET_SWITCHES): Delete -mb-step entry.
4313
4314 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
4315
4316         PR c/20043
4317         * c-typeck.c (composite_type): Handle quals in transparent unions.
4318         (type_lists_compatible_p): Likewise.
4319
4320 2005-02-18  Stan Shebs  <shebs@apple.com>
4321
4322         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4323         expressions in the .literal8 section.
4324
4325 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
4326
4327         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4328
4329 2005-02-18  Roger Sayle  <roger@eyesopen.com>
4330
4331         * fold-const.c (constant_boolean_node): Always create values of the
4332         specified type, don't bother calling truthvalue_conversion.
4333
4334 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4335
4336         * except.c (output_function_exception_table): Call
4337         assemble_external_libcall (eh_personality_libfunc).
4338
4339 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4340
4341         PR target/19886
4342         * config/ia64/ia64.h (struct machine_function): Add state_num.
4343         * config/ia64/ia64.c (process_epilogue,
4344         process_for_unwind_directive): Use new unwind state numbers each
4345         time rather than state 1.
4346
4347 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
4348
4349         PR target/20054
4350         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4351         before the "*llgt_didi" pattern.
4352
4353 2005-02-18  Jason Merrill  <jason@redhat.com>
4354
4355         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4356
4357 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
4358
4359         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4360         (div0): Use it in place of ARM_FUNC_ALIAS.
4361         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4362
4363 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
4364
4365         PR middle-end/20030
4366         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4367         access, the lower bound of the array type if it exists.
4368
4369 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4370
4371         PR c++/20008
4372         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4373         cases that are out-of-range for the index type.
4374
4375 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4376
4377         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4378         (estimate_case_costs): Don't call convert.
4379         * expmed.c (expand_shift): Likewise.
4380         (make_tree): Call fold_convert instead of convert.
4381
4382 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4383
4384         PR c++/19813
4385         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4386         that ref to be marked MEM_READONLY_P doesn't have base that needs
4387         constructing.
4388
4389 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4390
4391         * genautomata.c (output_get_cpu_unit_code_func,
4392         output_cpu_unit_reservation_p): Don't generate old-style function
4393         definitions.
4394
4395 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4396
4397         PR c++/20023
4398         PR tree-optimization/20009
4399         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4400
4401         PR tree-optimization/18947
4402         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4403         inline, remove all nodes that are inlined into the extern inline
4404         being redefined.
4405
4406 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4407
4408         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4409         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4410         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4411         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4412         Update copyright.
4413
4414 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4415
4416         PR tree-optimization/19917
4417         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4418         to be potentially trapping.
4419
4420 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4421
4422         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4423
4424 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4425
4426         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4427         tem becomes a local variable which is set to the value of the
4428         back end defined INITIAL_FRAME_ADDRESS macro.
4429         (expand_builtin_frame_address): Omit the base parameter to
4430         expand_builtin_return_addr.
4431         (expand_builtin_profile_func): Likewise.
4432         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4433         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4434         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4435
4436 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4437
4438         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4439         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4440         * config/frv/frv.c (frv_function_epilogue): Likewise.
4441
4442 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4443
4444         * lambda-code (perfect_nestify): Remove mark/unmark
4445         for rewriting hack.
4446         * tree-loop-linear.c (linear_transform_loops): Add
4447         rewrite_into_ssa call so that ssa is correct for
4448         rewriting into loop closed.
4449
4450 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4451
4452         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4453         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4454         BITMAP_FREE.
4455         * bt-load.c (btr_def_live_range, combine_btr_defs,
4456         migrate_btr_def, migrate_btr_defs): Likewise.
4457         * cfgcleanup.c (thread_jump): Likewise.
4458         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4459         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4460         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4461         df_rd_local_compute, df_reg_info_compute): Likewise.
4462         * dominance.c (init_dom_info, free_dom_info): Likewise.
4463         * flow.c (init_propagate_block_info,
4464         free_propagate_block_info): Likewise.
4465         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4466         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4467         modify_reg_pav): Likewise.
4468         * loop-invariant.c (find_defs, find_invariant_insn,
4469         find_invariants, free_inv_motion_data): Likewise.
4470         * predict.c (tree_predict_by_opcode,
4471         estimate_bb_frequencies): Likewise.
4472         * stmt.c (expand_case): Likewise.
4473         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4474         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4475         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4476         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4477         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4478         rewrite_ssa_into_ssa): Likewise.
4479         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4480         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4481         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4482         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4483         * tree-sra.c (tree_sra): Likewise.
4484         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4485         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4486         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4487         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4488         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4489         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4490         Likewise.
4491         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4492         calculate_live_on_entry, calculate_live_on_exit,
4493         build_tree_conflict_graph): Likewise.
4494         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4495         record_important_candidates, set_use_iv_cost, find_depends,
4496         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4497         tree_ssa_iv_optimize_finalize): Likewise.
4498         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4499         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4500         tree_duplicate_loop_to_header_edge): Likewise.
4501         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4502         * tree-ssa.c (verify_flow_insensitive_alias_info,
4503         verify_name_tags, verify_ssa, init_tree_ssa,
4504         delete_tree_ssa): Likewise.
4505         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4506         fini_ssanames): Likewise.
4507         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4508
4509 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4510
4511         * config/rs6000/t-rtems: Completely reworked.
4512
4513 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4514
4515         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4516
4517 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4518
4519         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4520         POINTER_TYPE_P when checking that type is a pointer.
4521         (vect_get_memtag): Remove.
4522         (vect_address_analysis): Use POINTER_TYPE_P. Call
4523         vect_object_analysis with dummy parameter for memtag.
4524         (vect_object_analysis): Extract memtag (functionality that
4525         used to be in vect_get_memtag and moved here). Fix printings.
4526         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4527         with correct parameters. Remove call to vect_get_memtag.
4528
4529 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4530
4531         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4532         (tree-vectorizer.o): Added missing dependencies.
4533
4534         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4535         decleration.
4536         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4537         declaration in tree-vectorizer.c, now has an extern declaration in
4538         tree-vectorizer.h).
4539         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4540         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4541         get_vectype_for_scalar_type, vect_is_simple_use,
4542         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4543         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4544         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4545         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4546         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4547         find_loop_location): Likewise.
4548
4549         * tree-vectorizer.c (langhooks.h): #include removed.
4550         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4551         moved to tree-vectorized.h.
4552         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4553         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4554         get_vectype_for_scalar_type, vect_is_simple_use,
4555         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4556         vect_supportable_dr_alignment, new_loop_vec_info,
4557         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4558         vect_set_verbosity_level, find_loop_location): Likewise.
4559
4560         (vect_analyze_loop): Function externalized. Declaration moved to
4561         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4562         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4563         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4564         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4565         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4566         vect_enhance_data_refs_alignment, vect_analyze_operations,
4567         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4568         vect_stmt_relevant_p, vect_get_loop_niters,
4569         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4570         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4571         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4572         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4573         vect_get_memtag): Likewise.
4574
4575         (vectorizable_load): Function externalized. Declaration moved to
4576         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4577         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4578         vect_transform_loop): Likewise.
4579         (vect_transform_stmt): Moved to tree-vect-transform.c.
4580         (vect_align_data_ref, vect_create_destination_var,
4581         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4582         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4583         vect_get_vec_def_for_operand, vect_init_vector,
4584         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4585         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4586         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4587         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4588         vect_do_peeling_for_loop_bound): Likewise.
4589
4590         * tree-vect-analyze.c: New file.
4591         * tree-vect-transform.c: New file.
4592
4593 2005-02-17  Jason Merrill  <jason@redhat.com>
4594
4595         PR mudflap/19319, c++/19317
4596         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4597         slot explicit.
4598
4599 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4600
4601         * doc/install.texi (Specific): Update link for Darwin-specific
4602         tool binary site.
4603
4604 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4605
4606         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4607         constant_boolean_node.
4608
4609 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4610
4611         PR target/19019
4612         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4613         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4614
4615 2005-02-16  Richard Henderson  <rth@redhat.com>
4616
4617         PR 19920
4618         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4619         with W_TYPE_SIZE.
4620         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4621         replace uses with Wtype_MAXp1_F.
4622         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4623         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4624         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4625         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4626         and HAVE_TFMODE as appropriate.
4627         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4628         (__floatdisf): Likewise.
4629         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4630         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4631         (Wtype_MAXp1_F): New.
4632         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4633         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4634
4635 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4636
4637         * PR target/19162
4638         * arm.c (arm_apply_result_size): New function.
4639         * arm.h (APPLY_RESULT_SIZE): Define.
4640         * arm-protos.h (arm_apply_result_size): Add prototype.
4641         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4642         (movxf): New expand.
4643         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4644         (call_value_symbol): Remove predicate for operand 0.
4645         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4646         (untyped_call): Rework to correclty return values for any type.
4647         (untyped_return): New expand.
4648         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4649
4650 2005-02-16  Stan Shebs  <shebs@apple.com>
4651
4652         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4653         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4654
4655 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4656
4657         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4658         configure settings on Solaris 7 and later.
4659
4660 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4661
4662         PR tree-optimization/19865
4663         * tree-optimize.c (init_tree_optimization_passes): Run
4664         pass_may_alias after pass_sra.
4665
4666 2005-02-16  Richard Henderson  <rth@redhat.com>
4667             Stuart Hastings  <stuart@apple.com>
4668
4669         PR debug/19521
4670         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4671         Do nothing if debug info suppressed for this function.
4672         (dbxout_begin_function): Early exit if debug info suppressed for
4673         this function.
4674
4675 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4676
4677         PR target/20007
4678         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4679         find_basic_blocks.
4680         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4681
4682         PR tree-optimization/19967
4683         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4684         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4685         argument TYPE.  Adjust calls to fold_builtin_XXX.
4686         (expand_builtin, fold_builtin_1): Adjust calls to
4687         expand_builtin_XXX.
4688         (fold_builtin_strchr, fold_builtin_strpbrk,
4689         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4690         result to a requested type TYPE.
4691
4692 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4693
4694         PR middle-end/19857
4695         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4696         (T)x & (T)cst if (T)cst overflows.
4697         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4698         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4699
4700 2005-02-15  Jeff Law  <law@redhat.com>
4701
4702         * gcse.c (blocks_with_calls): New bitmap.
4703         (alloc_gcse_mem): Allocate it.
4704         (free_gcse_mem): Free it.
4705         (clear_modifY_mem_tables): Clear it.
4706         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4707         when we encounter CALL_INSNs.
4708         (compute_transp, case MEM): Handle blocks with calls separate
4709         from blocks without calls.  Use bitmap iterators rather than
4710         FOR_EACH_BB.
4711
4712 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4713
4714         PR bootstrap/18810
4715         * mklibgcc.in (vis_hide): Use a temporary object file, not
4716         -o /dev/null.
4717
4718 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4719
4720         PR target/19924
4721         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4722         access optimization.
4723
4724 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4725             Alan Modra  <amodra@bigpond.net.au>
4726
4727         PR target/19019
4728         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4729         (_xlqsub): Rename to __gcc_qsub.
4730         (_xlqmul): Rename to __gcc_qmul.
4731         (_xlqdiv): Rename to __gcc_qdiv.
4732         Provide versioned symbol aliases with old names.
4733         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4734         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4735         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4736         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4737         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4738
4739 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4740
4741         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4742         Fold ~(A - 1) and ~(A + -1) to -A.
4743
4744 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4745
4746         PR pch/14940
4747         PR target/19300
4748         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4749         config/pa/pa-host.c:pa_gt_pch_use_address.
4750
4751 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4752
4753         * tree-vn.c (get_value_handle): Make sure that given an
4754         is_gimple_min_invariant expression, we always return it.
4755
4756 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4757
4758         * passes.c (rest_of_handle_gcse): Fix a comment.
4759
4760 2005-02-15  Jeff Law  <law@redhat.com>
4761
4762         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4763         bitmap.
4764         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4765         (canon_list_insert, record_last_mem_set_info): Similarly.
4766         (clear_modify_mem_tables): Similarly.
4767
4768 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4769
4770         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4771         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4772         config/mips/mips.md, config/rs6000/aix.h,
4773         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4774
4775 2005-02-15  Richard Henderson  <rth@redhat.com>
4776
4777         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4778         call to be best_edge.
4779
4780 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4781
4782         * basic-block.h: Adjust the prototype for find_basic_blocks.
4783         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4784         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4785         find_basic_blocks.
4786
4787         * flow.c (recompute_reg_usage): Remove all arguments.
4788         * passes.c (rest_of_compilation): Adjust the call to
4789         recompute_reg_usage.
4790         * rtl.h: Adjust the prototype for recompute_reg_usage.
4791
4792 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4793
4794         * tree-dump.c (dump_files): Update to reflect new member
4795         of dump_file_info.
4796         (dump_register): Add new argument.
4797         Set glob name.
4798         (dump_switch_p_1): Check against glob name if doglob was passed.
4799         (dump_switch_p): Check against regular first, then glob if
4800         we didn't have any hits on the dump name.
4801         * tree-optimize.c (register_one_dump_file):
4802         Pass in glob name as well.
4803         * tree-pass.h (struct dump_file_info): Add glob
4804         member.
4805
4806 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4807
4808         PR preprocessor/16323
4809         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4810
4811 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4812
4813         PR target/19019
4814         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4815         (trunctfdf2_internal1): New.
4816         (trunctfdf2_internal2): Renamed from trunctfdf2.
4817
4818 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4819
4820         PR tree-optimization/19853
4821         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4822
4823 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4824
4825         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4826         delete_dead_jumptables and cleanup_cfg.
4827
4828 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4829
4830         * reload.c (find_reloads): Swap address_reloaded flags when
4831         swapping commutative operands.
4832
4833 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4834
4835         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4836         Use standard_iv_increment_position for computing the bsi position
4837         for create_iv.
4838         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4839         the bsi position.
4840
4841 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4842
4843         PR target/17428
4844         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4845         life range of hard registers.
4846         * value-prof.c (insn_prefetch_values_to_profile): Only
4847         scan normal insns.
4848
4849         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4850         profile in libcalls.
4851
4852 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4853
4854         * bitmap.h (bitmap_and_compl_into): Return bool.
4855         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4856
4857 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4858
4859         PR tree-optimization/19944
4860         * fold-const.c (fold): Re-add ABS_EXPR folding.
4861
4862 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4863
4864         PR target/19019
4865         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4866         {TARGET,MASK}_XL_COMPAT.
4867         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4868         MASK_XL_COMPAT.
4869         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4870         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4871         TARGET_XL_COMPAT.
4872         (rs6000_arg_partial_bytes): Same.
4873         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4874         and XL compatibility enabled.
4875         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4876         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4877         test to final condition.
4878         (cmptf_internal2): New.
4879         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4880         xl-compat.  Add TFmode information to description.
4881
4882 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4883
4884         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4885
4886 2005-02-13  Jason Merrill  <jason@redhat.com>
4887
4888         PR c++/16405
4889         * fold-const.c (fold_indirect_ref_1): Split out from...
4890         (build_fold_indirect_ref): Here.
4891         (fold_indirect_ref): New fn.
4892         * tree.h: Declare it.
4893         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4894         (gimplify_modify_expr_rhs): Likewise.
4895         (gimplify_expr): Likewise.
4896
4897 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4898
4899         PR tree-optimization/14303
4900         PR tree-optimization/15784
4901         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4902         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4903         ABS_EXPR<x> != 0 to x != 0.
4904
4905 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4906
4907         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4908         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4909         spelling conventions.
4910
4911         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4912         delete_trivially_dead_insns too many times.
4913
4914         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4915         tem and tem2.
4916
4917 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4918
4919         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4920         (vect_is_simple_iv_evolution): Remove redundant parameter
4921         and step check.
4922         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4923         without last parameter.
4924         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4925         Return pointer step. Call vect_is_simple_iv_evolution without
4926         last parameter. Check only that the step is multiple of size
4927         type. Remove stmt_vinfo updates.
4928         (vect_get_memtag_and_dr): Remove.
4929         (vect_get_memtag): New function.
4930         (vect_address_analysis): New function.
4931         (vect_object_analysis): New function.
4932         (vect_analyze_data_refs): Call vect_object_analysis and
4933         vect_get_memtag. Update stmt_vinfo fields.
4934
4935 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4936
4937         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4938         exist and are objects. Remove checks for pointer.
4939         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4940         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4941         (vect_create_data_ref_ptr): Likewise.
4942         (vect_base_addr_differ_p): New function.
4943         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4944         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4945         Don't set the DR_BASE_NAME field of data-ref.
4946         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4947
4948 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4949
4950         * optabs.h (enum optab_index): Add new OTI_ldexp.
4951         (ldexp_optab): Define corresponding macro.
4952         * optabs.c (init_optabs): Initialize ldexp_optab.
4953         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4954         patterns.
4955         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4956         using ldexp_optab.
4957         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4958         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4959
4960         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4961         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4962         intrinsics.
4963
4964 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4965
4966         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4967         to base_address.
4968         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4969         stmt_vec_info.
4970         (vect_get_base_and_offset): Always return an address.
4971         (vect_create_addr_base_for_vector_ref): Remove treatment for
4972         different data reference types.
4973         (vect_compute_data_ref_alignment): Rename base to base_address in
4974         stmt_vec_info. Get the object in order to force its alignment.
4975         (vect_get_memtag_and_dr): Rename base to base_address in
4976         stmt_vec_info. Extract the object for memtag analysis.
4977
4978 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4979
4980         PR regression/19898.
4981         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4982         changes cc_status, use apply modified_in_p to part of cc_status
4983         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4984         body.
4985
4986 2005-02-11  Richard Henderson  <rth@redhat.com>
4987
4988         * tree-complex.c (expand_complex_libcall): New.
4989         (expand_complex_multiplication): Use it for c99 compliance.
4990         (expand_complex_division): Likewise.
4991         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4992         (fold): Call them.
4993         * builtins.c (built_in_names): Remove const.
4994         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4995         builtins.
4996         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4997         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4998         (built_in_names): Remove const.
4999         * c-common.c (c_common_type_for_mode): Handle complex modes.
5000         * flags.h, toplev.c (flag_complex_method): Rename from
5001         flag_complex_divide_method.
5002         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
5003         __mulsc3, __muldc3, __mulxc3, __multc3): New.
5004         * libgcc2.h: Declare them.
5005         * libgcc-std.ver: Export them.
5006         * mklibgcc.in (lib2funcs): Build them.
5007
5008 2005-02-11  Steven Bosscher  <stevenb@suse.de>
5009
5010         PR tree-optimization/19876
5011         Partially revert my change from 2005-01-14
5012         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
5013         (compute_antic): ...and remove the loop here.
5014
5015 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
5016
5017         PR middle-end/19858
5018         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
5019         is number of inner's bits, avoid creating a BIT_FIELD_REF.
5020
5021         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
5022         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
5023
5024 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
5025
5026         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
5027         offsets for the big-endian 32-bit case.
5028
5029 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
5030
5031         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5032
5033 2005-02-11  Dale Johannesen  <dalej@apple.com>
5034
5035         * cselib.c (cselib_process_insn):  Clear out regs where
5036         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
5037         * reload.c (find_equiv_reg): Ditto.
5038
5039 2005-02-11  Ian Lance Taylor  <ian@airs.com>
5040
5041         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
5042         with no elements.
5043
5044         * tree.c (build_function_type_list): Work correctly if there are
5045         no arguments.
5046
5047 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
5048
5049         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
5050         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
5051         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
5052         TARGET_ZARCH instead of TARGET_64BIT.
5053
5054 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
5055
5056         * config/rs6000/t-rtems:
5057         (MULTILIB_OPTIONS): Remove mcpu=602.
5058         (MUTLILIB_DIRNAMES): Remove m602.
5059         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
5060         Let mcpu=602 match mcpu=603.
5061         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
5062
5063 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5064
5065         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
5066         signal trampolines.
5067
5068 2005-02-10  David Daney  <ddaney@avtrex.com>
5069
5070         * config/alpha/linux-unwind.h: Add exception clause to copyright.
5071         * config/i386/linux-unwind.h: Likewise.
5072         * config/ia64/linux-unwind.h: Likewise.
5073         * config/mips/linux-unwind.h: Likewise.
5074         * config/pa/linux-unwind.h: Likewise.
5075         * config/rs6000/linux-unwind.h: Likewise.
5076         * config/s390/linux-unwind.h: Likewise.
5077         * config/sh/linux-unwind.h: Likewise.
5078         * config/sparc/linux-unwind.h: Likewise.
5079
5080 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5081
5082         PR tree-optimization/17549
5083         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
5084         TER to replace a DEF with its expression if the DEF and the
5085         rhs of the expression we replace into have the same root
5086         variable.
5087
5088 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
5089
5090         * config/mips/mips.md: Fix the placement of the match_scratch in the
5091         lea64 peephole2.
5092
5093 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5094
5095         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
5096         Fix comment typos.
5097
5098 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
5099
5100         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
5101         (strip_offset): Handle addresses.
5102         (add_address_candidates): Use strip_offset.
5103         (difference_cost): Reflect strip_offset change.
5104         (force_var_cost, difference_cost): Strip nops.
5105
5106 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5107
5108         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
5109
5110         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
5111         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
5112         config/cris/cris-protos.h, config/cris/cris.c: Update
5113         copyright.
5114
5115 2005-02-10  Jeff Law  <law@redhat.com>
5116
5117         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
5118         (lookup_avail_expr): Similarly.
5119
5120 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
5121
5122         * builtins.c (fold_builtin_powi): New function.
5123         (fold_builtin_1): Call it.
5124
5125 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5126
5127         PR documentation/19309
5128         * doc/cpp.texi: The __GNUC__ and related predefined macros
5129         are also defined for the "standalone" cpp.
5130         Some non-GCC compilers may also define __GNUC__.
5131
5132 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
5133
5134         PR c/19342
5135         * c-typeck.c (common_type): New routine.  Old common_type renamed
5136         to...
5137         (c_common_type): ...this.
5138         (build_conditional_expr, build_binary_op): Use c_common_type instead
5139         of common_type.
5140
5141 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5142
5143         * doc/md.texi: Replace @samp{length} with @code{length}.
5144
5145 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5146
5147         PR tree-optimization/18687
5148         * tree-flow.h (find_loop_niter): Declare.
5149         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
5150         Try using scev even for loops with more than one exit.
5151         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
5152         (struct ivopts_data): Added niters field.
5153         (struct nfe_cache_elt): New.
5154         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
5155         functions.
5156         (tree_ssa_iv_optimize_init): Initialize niters cache.
5157         (determine_number_of_iterations): Removed.
5158         (find_induction_variables): Do not call determine_number_of_iterations.
5159         Access niters for single exit through niter_for_single_dom_exit.
5160         (add_iv_outer_candidates): Access niters for single exit through
5161         niter_for_single_dom_exit.
5162         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
5163         number_of_iterations_cond.
5164         (iv_period): New function.
5165         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
5166         (may_replace_final_value): Take data argument.  Use
5167         niter_for_single_dom_exit.
5168         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
5169         (rewrite_use_compare): Pass data to may_eliminate_iv.
5170         (rewrite_use_outer): Pass data to may_replace_final_value.
5171         (free_loop_data): Clean up the niters cache.
5172         (tree_ssa_iv_optimize_finalize): Free the niters cache.
5173         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
5174         * tree-ssa-loop-niter.c (find_loop_niter): New function.
5175         (find_loop_niter_by_eval): Use tree_int_cst_lt.
5176         (num_ending_zeros): Moved to tree.c.
5177         * tree.h (num_ending_zeros): Declare.
5178         * tree.c (num_ending_zeros): Moved from tree.c.
5179
5180 2005-02-09  Richard Henderson  <rth@redhat.com>
5181
5182         * builtins.c (DEF_BUILTIN): Add COND argument.
5183         * tree.h (DEF_BUILTIN): Likewise.
5184         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
5185         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
5186         match.
5187         (DEF_BUILTIN_STUB): New.
5188         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
5189         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
5190         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
5191         * c-common.c (DEF_BUILTIN): Add COND argument.
5192         * tree.c (local_define_builtin): New.
5193         (build_common_builtin_nodes): New.
5194
5195 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5196
5197         * fold-const.c (fold_strip_sign_ops): New function to simplify a
5198         floating point expression ignoring the sign of the result.
5199         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
5200         (fold) <MULT_EXPR>: Use it to simplify x*x.
5201         * tree.h (fold_strip_sign_ops): Prototype here.
5202         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
5203         argument.  Use fold_strip_sign_ops to simplify the first argument.
5204         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
5205         first argument when the second argument is an even integer
5206         constant, but only with -funsafe_math_optimizations.
5207         (fold_builtin_1): Update call to fold_builtin_copysign.
5208
5209 2005-02-09  Ian Lance Taylor  <ian@airs.com>
5210
5211         PR middle-end/19583
5212         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
5213         just check whether EH_FILTER_FAILURE falls through.
5214
5215 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5216
5217         * gcc/haifa-sched.c (schedule_block): Make queued sched group
5218         insns return to ready list in the next turn.
5219
5220 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5221
5222         PR middle-end/19402
5223         * builtins.def: New __builtin_powi[lf].
5224         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
5225         (expand_builtin_powi): New function.
5226         (expand_builtin): Dispatch to expand_builtin_powi.
5227         * libgcc2.h: Add prototypes for __builtin_powi[lf].
5228         * libgcc2.c: Add __builtin_powi[lf] implementation.
5229         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
5230         * optabs.h: Add powi_optab.
5231         * optabs.c (init_optabs): Initialize powi_optab.
5232         * doc/extend.texi: Document __builtin_powi[lf].
5233
5234 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
5235
5236         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
5237         exists.
5238
5239 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5240
5241         PR middle-end/19854
5242         * fold-const.c (try_move_mult_to_index): Remove redundant
5243         type argument.  Create ADDR_EXPR with correct type.
5244         (fold): Update callers of try_move_mult_to_index.  Convert
5245         result to the appropriate type.
5246
5247 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5248
5249         PR target/19597
5250         * config/avr/avr.c (default_rtx_costs): Delete.
5251         (avr_operand_rtx_cost): New function.
5252         (avr_rtx_costs): Completely rewrite.
5253
5254 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
5255
5256         PR target/19806
5257         * config/cris/cris.c (in_code): New variable.
5258         (cris_output_addr_const): Now a static function, a wrapper for
5259         output_addr_const.
5260         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
5261         case from old cris_output_addr_const.
5262         (cris_asm_output_label_ref): Similar for LABEL_REF.
5263         (cris_output_addr_const_extra): Similar for UNSPEC.
5264         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
5265         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
5266         * config/cris/cris-protos.h (cris_output_addr_const): Remove
5267         declaration.
5268         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
5269         (cris_asm_output_label_ref): Declare.
5270
5271 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
5272
5273         PR preprocessor/19801
5274         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
5275         filenames that changed when libcpp was moved to the toplevel.
5276
5277 2005-02-07  Roger Sayle  <roger@eyesopen.com>
5278
5279         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5280         zero extensions of BImode operands.  Call lowpart_subreg instead
5281         of gen_lowpart_common and gen_lowpart_SUBREG.
5282
5283 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
5284
5285         PR ada/19489
5286         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
5287         * configure.ac: Set cc_for_cross_gnattools.
5288         * configure: Regenerate.
5289
5290 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
5291
5292         PR target/19803
5293         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
5294
5295 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5296
5297         PR debug/19327
5298         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
5299         of nested functions.
5300
5301 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
5302
5303         * doc/extend.texi: Document deprecated extensions allowing
5304         static floating-point members to have initializers and allowing
5305         floating-point literals in integral constant expressions.
5306
5307 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
5308
5309         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
5310         config/darwin7.h, config/mips/mips.c,
5311         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
5312         Update copyright.
5313
5314         * cse.c: Update comments.
5315
5316 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
5317
5318         PR middle-end/19775
5319         * builtins.c (fold_builtin_sqrt): Transform
5320         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5321         pow(x,y*0.5).
5322
5323 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
5324             Dorit Naishlos  <dorit@il.ibm.com>
5325
5326         * doc/invoke.texi (ftree-vectorizer-verbose): New.
5327         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5328         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5329         was added.
5330         * tree.h (vect_set_verbosity_level): New extern function declaration
5331         added.
5332         * tree-vectorizer.h (verbosity_levels): New enum type.
5333         * tree-vectorizer.c (vect_debug_stats): Function removed.
5334         (vect_debug_details): Likewise.
5335         (vect_verbosity_level): Global variable was defined and initialized.
5336         (vect_dump): Global variable definition.
5337         (vect_print_dump_info): New function.
5338         (vect_set_dump_settings): New function.
5339         (vect_set_verbosity_level): New function.
5340         (vectorize_loops): Add call to vect_set_dump_settings.
5341
5342         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5343         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5344         (slpeel_tree_peel_loop_to_edge): Likewise.
5345
5346         (vect_analyze_offset_expr): Call to vect_print_dump_info with
5347         appropriate verbosity level instead of call to vect_debug_details
5348         or vect_debug_stats.
5349         (vect_get_base_and_offset):
5350         (vect_create_addr_base_for_vector_ref):
5351         (get_vectype_for_scalar_type):
5352         (vect_create_data_ref_ptr):
5353         (vect_init_vector):
5354         (vect_get_vec_def_for_operand):
5355         (vect_finish_stmt_generation):
5356         (vectorizable_assignment):
5357         (vectorizable_operation):
5358         (vectorizable_store):
5359         (vectorizable_load):
5360         (vect_transform_stmt):
5361         (vect_update_ivs_after_vectorizer):
5362         (vect_do_peeling_for_loop_bound):
5363         (vect_update_inits_of_drs):
5364         (vect_do_peeling_for_alignment):
5365         (vect_transform_loop):
5366         (vect_is_simple_use):
5367         (vect_analyze_operations):
5368         (vect_is_simple_iv_evolution):
5369         (vect_analyze_scalar_cycles):
5370         (vect_analyze_data_ref_dependence):
5371         (vect_analyze_data_ref_dependences):
5372         (vect_compute_data_ref_alignment):
5373         (vect_enhance_data_refs_alignment):
5374         (vect_analyze_data_refs_alignment):
5375         (vect_analyze_data_ref_access):
5376         (vect_analyze_data_ref_accesses):
5377         (vect_analyze_pointer_ref_access):
5378         (vect_get_memtag_and_dr):
5379         (vect_analyze_data_refs):
5380         (vect_mark_relevant):
5381         (vect_stmt_relevant_p):
5382         (vect_mark_stmts_to_be_vectorized):
5383         (vect_can_advance_ivs_p):
5384         (vect_get_loop_niters):
5385         (vect_analyze_loop_form):
5386         (vect_analyze_loop):
5387         (vectorize_loops): Likewise.
5388
5389         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5390         (vect_update_inits_of_drs):
5391         (vect_do_peeling_for_alignment):
5392         (vect_transform_loop):
5393         (vect_analyze_operations):
5394         (vect_analyze_scalar_cycles):
5395         (vect_analyze_data_ref_dependences):
5396         (vect_analyze_data_refs_alignment):
5397         (vect_analyze_data_ref_accesses):
5398         (vect_analyze_data_refs):
5399         (vect_mark_stmts_to_be_vectorized):
5400         (vect_get_loop_niters):
5401         (vect_analyze_loop_form):
5402         (vect_analyze_loop): Likewise.
5403         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5404
5405 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5406
5407         PR bootstrap/19796
5408         Revert:
5409         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5410         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5411         either -ffast-math or -funsafe-math-optimizations is in use.
5412
5413         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5414         * config/mips/irix-csr.c: New file.
5415         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5416         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5417         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5418         executables.
5419
5420 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5421
5422         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5423         redundant, incorrect definitions.
5424
5425         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5426         expand.
5427         ("*tls_indirect_call"): New, reference hard regs directly.
5428         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5429
5430 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5431
5432         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5433         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5434
5435 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5436
5437         PR rtl-optimization/19800
5438         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5439         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5440         gen_lowpart.
5441
5442 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5443
5444         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5445
5446 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5447
5448         PR other/17135
5449         * doc/invoke.texi: Correct documentation of -freorder-functions.
5450
5451 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5452
5453         PR other/14402
5454         * doc/invoke.texi: Don't mention gccbug.
5455
5456 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5457             Andrew Pinski  <pinskia@physics.uc.edu>
5458             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5459
5460         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5461         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5462         into just (zero_extract:SI FOO (const_int 1) BAR).
5463
5464 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5465
5466         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5467         macro locally.  Don't give last revision date.  Use GCC version
5468         number from gcc-common.texi.
5469         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5470         revision date.  Use GCC version number from gcc-common.texi.
5471         Describe being a library as current state rather than as 3.x
5472         history.
5473         * doc/gcc.texi: Remove last update date.
5474         * doc/gccint.texi: Likewise.  Update copyright dates.
5475         * doc/install.texi: Update copyright dates.
5476
5477 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5478
5479         PR other/7549
5480         * doc/invoke.texi: Mention for each option included in -Wall that
5481         it is included in -Wall.
5482         * doc/gcc.texi: Update copyright and last modification date.
5483
5484 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5485
5486         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5487         unnecessary cast to original induction variable increments.
5488
5489 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5490
5491         PR tree-optimization/18219
5492         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5493         in distributed form.
5494
5495 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5496
5497         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5498         Set bitpos and offset later in the function.  Do nothing if the
5499         target is a register and if the bitfield lies completely outside
5500         that register.
5501         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5502         here.  Return an uninitialised register if the source value is stored
5503         in a register and the bitfield lies completely outside that register.
5504
5505 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5506
5507         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5508         not SET_DEST.
5509
5510 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5511
5512         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5513
5514 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5515
5516         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5517         * config/darwin8.h: New.
5518         * config/darwin7.h: Update comment.
5519
5520 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5521             Dorit Naishlos  <dorit@il.ibm.com>
5522
5523         * tree-vectorizer.h (LOC): New type.
5524         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5525         (loop_line_number): New field in struct _loop_vec_info.
5526         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5527
5528         * tree-vectorizer.c (input.h): Included.
5529         (find_loop_location): New function.
5530         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5531         loop line number removed.
5532         (vect_debug_details): Likewise.
5533         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5534
5535         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5536         call to vect_debug_details/stats changed from loop to loop_loc.
5537         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5538         (slpeel_tree_peel_loop_to_edge): Likewise.
5539
5540         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5541         changed from NULL to UNKNOWN_LOC.
5542         (vect_get_base_and_offset):
5543         (vect_create_addr_base_for_vector_ref):
5544         (get_vectype_for_scalar_type):
5545         (vect_create_data_ref_ptr):
5546         (vect_init_vector):
5547         (vect_get_vec_def_for_operand):
5548         (vect_finish_stmt_generation):
5549         (vectorizable_assignment):
5550         (vectorizable_operation):
5551         (vectorizable_store):
5552         (vectorizable_load):
5553         (vect_transform_stmt):
5554         (vect_update_ivs_after_vectorizer):
5555         (vect_do_peeling_for_loop_bound):
5556         (vect_do_peeling_for_alignment):
5557         (vect_transform_loop):
5558         (vect_is_simple_use):
5559         (vect_analyze_operations):
5560         (vect_is_simple_iv_evolution):
5561         (vect_analyze_scalar_cycles):
5562         (vect_analyze_data_ref_dependences):
5563         (vect_compute_data_ref_alignment):
5564         (vect_enhance_data_refs_alignment):
5565         (vect_analyze_data_ref_access):
5566         (vect_analyze_data_ref_accesses):
5567         (vect_analyze_pointer_ref_access):
5568         (vect_get_memtag_and_dr):
5569         (vect_analyze_data_refs):
5570         (vect_mark_relevant):
5571         (vect_stmt_relevant_p):
5572         (vect_mark_stmts_to_be_vectorized):
5573         (vect_can_advance_ivs_p):
5574         (vect_get_loop_niters):
5575         (vect_analyze_loop):
5576         (vectorize_loops): Likewise.
5577
5578         (vectorizable_load): Argument in call to vect_debug_details/stats
5579         changed from loop to LOOP_LOC (loop_vinfo).
5580         (vect_transform_loop):
5581         (vect_analyze_operations):
5582         (vect_analyze_scalar_cycles):
5583         (vect_analyze_data_ref_dependence):
5584         (vect_enhance_data_refs_alignment):
5585         (vect_analyze_data_ref_accesses):
5586         (vect_analyze_pointer_ref_access):
5587         (vect_analyze_data_refs):
5588         (vect_analyze_loop): Likewise.
5589
5590         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5591         changed from loop to loop_loc.
5592
5593         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5594
5595 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5596             Dorit Naishlos  <dorit@il.ibm.com>
5597
5598         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5599         declaration added.
5600         (vect_analyze_data_ref_dependences): Likewise.
5601
5602         (vect_is_simple_use): Argument changed from loop structure to
5603         loop_vect_info structure.
5604         (vect_can_advance_ivs_p): Likewise.
5605         (vect_create_index_for_vector_ref): Likewise.
5606         (vect_update_ivs_after_vectorizer): Likewise.
5607         (new_stmt_vec_info): Likewise.
5608
5609         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5610         changed from loop to loop_vinfo.
5611         (vect_create_data_ref_ptr): First argument in call to
5612         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5613         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5614         was changed from loop to loop_vinfo.
5615         (vectorizable_operation): Likewise.
5616         (vectorizable_store): Likewise.
5617         (vect_mark_stmts_to_be_vectorized): Likewise.
5618         (vect_do_peeling_for_loop_bound): First argument in call to
5619         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5620         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5621         was changed from loop to loop_vinfo.
5622         (vect_analyze_data_ref_dependences): Third argument in call to
5623         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5624
5625         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5626         (vect_create_data_ref_ptr): Likewise.
5627         (vect_init_vector): Likewise.
5628         (vect_get_vec_def_for_operand): Likewise.
5629         (vectorizable_assignment): Likewise.
5630         (vectorizable_operation): Likewise.
5631         (vectorizable_store): Likewise.
5632         (vectorizable_load): Likewise.
5633         (vect_update_ivs_after_vectorizer): Likewise.
5634         (vect_is_simple_use): Likewise.
5635         (vect_analyze_data_ref_dependence): Likewise.
5636         (vect_analyze_pointer_ref_access): Likewise.
5637         (vect_can_advance_ivs_p): Likewise.
5638
5639         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5640         before _stmt_vec_info.
5641         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5642         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5643         (new_stmt_vec_info): Argument changed from loop structure to
5644         loop_vect_info structure
5645
5646         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5647         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5648         (vect_create_addr_base_for_vector_ref): Likewise.
5649         (vect_analyze_pointer_ref_access): Likewise.
5650
5651 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5652
5653         PR tree-opt/19768
5654         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5655         phi flag if the phi is abnormal.
5656
5657 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5658
5659         PR tree-opt/19736
5660         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5661         information for the new statement.
5662
5663 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5664
5665         PR driver/19117
5666         * gcc.c (main): Include the target in -v output.
5667
5668 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5669
5670         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5671         Do not drop the extend if we'd have to add a paradoxical subreg
5672         later.  Include optabs.h and insn-codes.h.
5673         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5674
5675 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5676
5677         PR middle-end/19405
5678         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5679         * fold-const.c (const_binop): Avoid constant folding floating
5680         point operations in modes that use composite representations.
5681         * simplify-rtx.c (simplify_binary_operation): Likewise.
5682
5683 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5684
5685         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5686         a REG, not a MEM.
5687         (altivec_dstt): Likewise.
5688         (altivec_dstst): Likewise.
5689         (altivec_dststt): Likewise.
5690         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5691         of first operand.
5692
5693 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5694
5695         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5696         EXPR_LOCUS from orig_cond to the new cond_stmt.
5697         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5698         the new vec_stmt.
5699
5700 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5701
5702         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5703         standard_iv_increment_position. Remove call to bsi_next
5704         (no need to bump the iterator anymore).
5705         (vect_create_index_for_vector_ref): Call
5706         standard_iv_increment_position. Remove second function argument.
5707         (vect_finish_stmt_generation): Remove call to bsi_next
5708         (no need to bump the iterator anymore).
5709         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5710         to vect_create_index_for_vector_ref.
5711
5712 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5713
5714         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5715         phis are used out of the loop.
5716
5717 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5718
5719         PR c/17807
5720         * c-decl.c (undef_nested_function): New variable.
5721         (pop_scope): Diagnose undefined nested functions.
5722         (finish_function): Don't attempt cgraph processing or genericizing
5723         if current top-level function contained an undefined nested
5724         function.  Reset undef_nested_function at the end of a top-level
5725         function.
5726
5727 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5728
5729         * tree.c (build_int_cst_type): Take sign of the value into account
5730         when deciding whether sign extend the value.
5731
5732 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5733
5734         PR c/18502
5735         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5736         (cpp_options, cc1_options): Change %{std*&ansi} to
5737         %{std*&ansi&trigraphs}.
5738
5739 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5740
5741         * cse.c: Update comments.
5742
5743 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5744
5745         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5746         arguments go on the stack.  Do not put complex doubles in odd/even
5747         pairs.
5748
5749 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5750
5751         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5752         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5753         -ftree-pre, and -fthread-jumps.
5754
5755 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5756
5757         PR tree-optimization/19578
5758         * tree-flow.h (modified_noreturn_calls): Declare.
5759         (noreturn_call_p): Declare.
5760         * tree-flow-inline.h (noreturn_call_p): New function.
5761         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5762         * tree-cfg.c (modified_noreturn_calls): New variable.
5763         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5764         that contain a mid-block noreturn call.
5765         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5766
5767 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5768
5769         * df.c (df_def_record_1, df_uses_record): Don't use
5770         DF_FOR_REGALLOC.
5771         * df.h (DF_FOR_REGALLOC): Remove.
5772
5773 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5774
5775         PR c/19435
5776         * c-typeck.c (really_start_incremental_init): Reset
5777         constructor_max_index for arrays of incomplete type.
5778
5779 2005-02-02  Jeff Law  <law@redhat.com>
5780
5781         * gcse.c (struct reg_set): Store the block index where the register
5782         was set rather than the setting insn.
5783         (record_one_set, compute_transp): Corresponding changes.
5784         (pre_insert_copy_insn): Do not call replace_one_set.
5785         (replace_one_set): Remove.
5786
5787 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5788
5789         PR other/15514
5790         * doc/gcov.texi: Fix typo.
5791
5792 2005-02-01  Richard Henderson  <rth@redhat.com
5793
5794         PR target/19680
5795         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5796         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5797         type to bool.
5798         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5799         * config/i386/i386-protos.h: Update.
5800
5801 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5802
5803         PR tree-optimization/19217
5804         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5805         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5806         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5807         that it is walking a PHI node.
5808
5809 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5810
5811         * doc/extend.texi (Nested Functions): Update.
5812
5813 2005-02-01  Richard Henderson  <rth@redhat.com>
5814
5815         PR 19696
5816         * optabs.c (expand_copysign_absneg): Export.
5817         * optabs.h (expand_copysign_absneg): Declare.
5818         * config/rs6000/rs6000.md (copysigntf3): New.
5819
5820 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5821
5822         PR tree-optimization/19633
5823         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5824         * tree-ssa-alias.c (init_alias_info): Initialize.
5825         (merge_pointed_to_info): Set.
5826         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5827         (dump_points_to_info_for): Show value of pt_null.
5828         (struct count_ptr_d): Declare.
5829         (find_ptr_dereference): Remove.
5830         (ptr_is_dereferenced_by): Remove.
5831         (count_ptr_derefs): New local function.
5832         (count_uses_and_derefs): New local function.
5833         (compute_points_to_and_addr_escape): Call it.  If the number
5834         of dereferences is greater than zero, mark the pointer as
5835         dereferenced.  If there are fewer dereferences than uses of
5836         the pointer, the pointer's value escapes.
5837
5838 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5839
5840         PR tree-optimization/19670
5841         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5842         here...
5843         (verify_use): ... set it here, instead.
5844
5845 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5846
5847         * doc/sourcebuild.texi (Test directives): Fix formatting.
5848
5849         * doc/sourcebuild.texi (Test directives): Describe selector
5850         expressions.
5851
5852 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5853
5854         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5855         specific 64-bit CPUs.
5856
5857 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5858
5859         PR target/16201
5860         * arm.c (arm_eliminable_register): New function.
5861         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5862         HOST_WIDE_INT for address offsets.
5863         * arm-protos.h (arm_eliminable_register): Add prototype.
5864
5865 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5866
5867         PR optimization/15242
5868         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5869         * basic-block.h (duplicate_computed_gotos): Add prototype.
5870         * bb-reorder.c (duplicate_computed_gotos): New function to
5871         duplicate sufficiently small blocks ending in a computed jump.
5872         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5873         if not optimizing for size.
5874         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5875         never do tail merging for blocks ending in a computed jump.
5876         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5877
5878 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5879
5880         Patch from Richard Sandiford <rsandifo@redhat.com>
5881         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5882         from inheriting a subreg equivalence with a non-spill register.
5883
5884         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5885
5886 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5887
5888         * config/frv/frv.c (movcc_fp_destination_operand): New.
5889         (gpr_or_memory_operand): Fix typo in comment.
5890         (gpr_or_memory_operand_with_scratch): New.
5891         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5892         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5893         movcc_fp_destination_operand.
5894         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5895         Legitimize memory addresses using a scratch register.
5896
5897 2005-01-31  Jeff Law  <law@redhat.com>
5898
5899         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5900         bitmap a sparse bitmap instead of a simple bitmap.
5901         (mark_def_sites_initialize_block):  Corresponding changes.
5902         (ssa_mark_def_sites_initialize_block): Likewise.
5903         (ssa_mark_phi_uses): Likewise.
5904         (mark_def_site, ssa_mark_def_sites): Likewise.
5905         (mark_def_site_blocks): Likewise.
5906         (rewrite_ssa_into_ssa): Likewise.
5907
5908         * tree-ssa-dom.c (record_cond): Pass correct variable type
5909         for last argument to htab_find_slot_with_hash.
5910
5911         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5912         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5913
5914 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5915
5916         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5917         1_mmalua.
5918
5919 2005-02-01  Eric Christopher  <echristo@redhat.com>
5920
5921         * config/mips/mips.c (override_options): Warn if -mint64
5922         is used.
5923         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5924         deprecated.
5925
5926 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5927
5928         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5929         timestamp.
5930         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5931         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5932         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5933         (cached_regno): Initialize to INVALID_REGNUM.
5934         (cse_reg_info_table_size,
5935         cse_reg_info_table_first_uninitialized,
5936         cse_reg_info_timestamp): New.
5937         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5938         get_cse_reg_info.
5939         (init_cse_reg_info, get_cse_reg_info_1): New.
5940         (get_cse_reg_info): Cache the last look-up.
5941         (new_basic_block): Update the code to clear mappings from
5942         registers to cse_reg_info entries.
5943         (cse_main): Call init_cse_reg_info.
5944
5945         * cse.c (get_cse_reg_info): Update a comment.
5946
5947 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5948
5949         PR c/19333
5950         * c-decl.c (start_decl): Do not warn about arrays of elements with
5951         an incomplete type here.
5952         (grokdeclarator): Do it here by making a pedwarn an error.
5953         * c-typeck.c (push_init_level): If there were previous errors with
5954         the constructor type, do not warn about braces for initializers.
5955         (process_init_element): Likewise for excess initializer elements.
5956
5957 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5958
5959         * cse.c (delete_trivially_dead_insn): Don't iterate.
5960
5961 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5962
5963         * config/rs6000/rs6000.md (copysignsf3): New expand.
5964         (copysigndf3): Likewise.
5965
5966 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5967
5968         * recog.c (constrain_operands): Only look for earlyclobber operand
5969         conflicts if an '&' constraint was seen.
5970
5971 2005-01-31  Marc Espie <espie@openbsd.org>
5972
5973         * config.gcc: Don't include embedded systems fragment, switches default
5974         debugging format to ELF.
5975         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5976         longer pick it up there.
5977
5978 2005-01-31  Dale Johannesen  <dalej@apple.com>
5979
5980         * doc/extend.texi (nested functions): Fix linkage description.
5981         Clarify that static is not allowed.
5982
5983 2005-01-31  Dale Johannesen  <dalej@apple.com>
5984
5985         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5986         (movdf_low_di):  Make work.
5987
5988 2005-01-31  Dale Johannesen  <dalej@apple.com>
5989
5990         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5991         Make work for 64 bit.
5992
5993 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5994             Dale Johannesen  <dalej@apple.com>
5995
5996         PR middle-end/19650
5997         * fold-const.c (fold_binary_op_with_conditional_arg):
5998         Make types match original operands, before STRIP_NOPS.
5999
6000 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
6001
6002         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
6003         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
6004         (struct gcc_sigcontext): Delete.  Merge contents to..
6005         (struct gcc_ucontext): ..here.
6006         (get_sigcontext): Delete.
6007         (get_regs): New function, like get_sigcontext but return regs ptr.
6008         64-bit version finds regs from r1 to support vdso.
6009         (ppc_linux_aux_vector): New function.
6010         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
6011         and vector regs.
6012
6013 2005-01-31  Ira Rosen  <irar@il.ibm.com>
6014
6015         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
6016         sizetype.
6017         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
6018         redundant fold. Fix misalignment for MINUS_EXPR.
6019         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
6020         (vect_analyze_pointer_ref_access): Likewise.
6021         (vect_get_memtag_and_dr): Likewise.
6022
6023 2005-01-31  Richard Henderson  <rth@redhat.com>
6024
6025         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
6026         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
6027         absnegdf2_i387, absnegxf2_i387): Likewise.
6028
6029 2005-01-31  Richard Henderson  <rth@redhat.com>
6030
6031         PR 19696
6032         * optabs.c (expand_copysign_absneg): New.
6033         (expand_copysign_bit): Split out from ...
6034         (expand_copysign): ... here.  Use expand_copysign_absneg.
6035
6036 2005-01-30  Roger Sayle  <roger@eyesopen.com>
6037
6038         PR middle-end/19697
6039         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
6040         constant as the second operand and a register as the third.
6041
6042 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
6043
6044         PR target/19704
6045         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
6046         that dllimport'd functions do not use all call-clobbered registers
6047         to pass parameters.
6048
6049 2005-01-30  Richard Henderson  <rth@redhat.com>
6050
6051         PR 19696
6052         * optabs.c (expand_absneg_bit): Split out from expand_unop and
6053         expand_abs_nojump and generalize.  Use operand_subword and
6054         emit_no_conflict_block.  Support large modes.
6055         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
6056         back to maximum.
6057         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
6058         negation to subtraction.
6059         (expand_copysign): Check that the format has signed zeros.
6060         Use operand_subword and emit_no_conflict_block.  Support large modes.
6061
6062 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
6063
6064         Fix PR tree-optimization/19624
6065
6066         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
6067         * tree-ssa-pre.c: Add cfgloop.h.
6068         Update comment.
6069         (pre_stats): New member, constified.
6070         (inserted_exprs): New static variable.
6071         (NECESSARY): New macro.
6072         (create_expression_by_pieces): Fold the expression, and
6073         mark it as defaulting to not necessary. Also put in
6074         inserted_exprs.
6075         (fully_constant_expression): New function.
6076         (insert_into_preds_of_block): Modify to not insert phis when we
6077         are playing with induction variables.
6078         Push phis onto the inserted_exprs vector, and mark them as not
6079         necessary by default.
6080         (insert_aux): Call fully_constant_expression on eprime.
6081         If all edges produce the same value, mark it constant.
6082         (mark_operand_necessary): New function.
6083         (remove_dead_inserted_code): New function.
6084         (init_pre): Init loop optimizer to get loop info.
6085         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
6086         (execute_pre): Commit edge inserts, then remove dead code.
6087
6088 2005-01-30  Richard Henderson  <rth@redhat.com>
6089
6090         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
6091         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
6092
6093 2005-01-30  Richard Henderson  <rth@redhat.com>
6094
6095         PR target/19700
6096         * config/i386/i386.c (ix86_expand_copysign): New.
6097         (ix86_split_copysign_const): New.
6098         (ix86_split_copysign_var): Rename from ix86_split_copysign,
6099         rearrange op1/nmask operands.
6100         * config/i386/i386-protos.h: Update.
6101         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
6102         (copysigndf3): Likewise.
6103         (copysignsf3_const, copysigndf3_const): New.
6104         (copysignsf3_var): Rename from copysignsf3, split out splitter
6105         and fix split predicate for X constraint.
6106         (copysigndf3_var): Similarly.
6107
6108 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
6109
6110         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
6111         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
6112         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
6113
6114 2005-01-29  Richard Henderson  <rth@redhat.com>
6115
6116         PR target/19690
6117         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
6118         of # and * in constraints.
6119
6120 2005-01-29  Richard Henderson  <rth@redhat.com>
6121
6122         PR middle-end/19689
6123         * expr.c (store_field): Don't strip sub-mode cast when the input
6124         data is even smaller.
6125
6126 2005-01-29  Richard Henderson  <rth@redhat.com>
6127
6128         PR middle-end/19687
6129         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
6130         union being empty.
6131
6132 2005-01-29  Richard Henderson  <rth@redhat.com>
6133
6134         * combine.c (make_field_assignment): Fix argument order
6135         to gen_int_mode.
6136
6137 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
6138
6139         PR tree-optimization/15791
6140         * fold-const.c (extract_array_ref): New function.
6141         (fold): Fold comparisons between &a[i] and &a[j] or
6142         semantically equivalent trees.
6143
6144 2005-01-29  Jeff Law  <law@redhat.com>
6145
6146         * gcse.c (insert_expr_in_table): Revamp handling of available
6147         and anticipatable occurrence lists to avoid unnecessary list
6148         walking.
6149         (insert_set_in_table): Similarly.
6150
6151 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
6152
6153         * c-common.c (fix_string_type): Just use c_build_qualified_type to
6154         build string type.
6155         (c_build_qualified_type): Build qualified array types with
6156         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
6157         * c-decl.c (c_make_fname_decl): Build unqualified array type
6158         before qualified type.
6159         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
6160         type is qualified, not just if type itself is.  Don't apply
6161         qualifiers to array type when declarator is processed.  Apply
6162         qualifiers to field type whether or not it is an array type.
6163         Don't handle array types specially for applying qualifiers to
6164         variables.
6165         * c-typeck.c (composite_type): Build unqualified element type and
6166         array type when forming composite of array types.
6167         (common_pointer_type, comptypes, comp_target_types,
6168         type_lists_compatible_p, build_indirect_ref, build_array_ref,
6169         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
6170         types.
6171         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
6172         (args2) in variables a1 and a2.
6173
6174 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
6175
6176         * cse.c (n_elements_made, max_elements_made): Remove.
6177         (insert): Don't touch n_elements_made.
6178         (cse_main): Don't touch n_elements_made or max_elements_made.
6179
6180 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
6181
6182         PR target/15384
6183         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
6184         configuration part of dp-bit.c to be lost.
6185
6186 2005-01-28  Roger Sayle  <roger@eyesopen.com>
6187
6188         * expmed.c (expand_mult_highpart_optab): When attempting to use
6189         a non-widening multiplication in a wider mode, the operands need
6190         to be converted (zero or sign extended) to that mode.
6191
6192 2005-01-28  Ian Lance Taylor  <ian@airs.com>
6193
6194         PR middle-end/16558
6195         PR middle-end/19583
6196         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
6197         through if both operands fall through.
6198
6199 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6200
6201         * cse.c (fold_rtx) <PC>: Don't optimize.
6202
6203 2005-01-28  Jeff Law  <law@redhat.com>
6204
6205         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
6206         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
6207
6208 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6209
6210         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
6211         cse_reg_info_used_list_end): Remove.
6212         (cse_reg_info_list, cse_reg_info_list_free): New.
6213         (get_cse_reg_info): When allocating an instance of
6214         cse_reg_info, add it to the beginning of the cse_reg_info_list
6215         list.  Remove code to maintain cse_reg_info_used_list.
6216         (new_basic_block): Reset the free list to the beginning of
6217         cse_reg_info_list.
6218
6219 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
6220
6221         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
6222         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
6223         (frv_expand_mdpackh_builtin): New function.
6224         (frv_expand_builtin): Use it to expand __MDPACKH.
6225         * doc/extend.texi (__MDPACKH): Update documentation.
6226
6227 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
6228
6229         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
6230         SSE_FLOAT_MODE_P for use_sse computation.
6231
6232 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
6233
6234         PR target/19663
6235         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
6236
6237 2005-01-27  Richard Henderson  <rth@redhat.com>
6238
6239         * builtins.c (expand_builtin_copysign): New.
6240         (expand_builtin): Call it.
6241         * genopinit.c (optabs): Add copysign_optab.
6242         * optabs.c (init_optabs): Initialize it.
6243         (expand_copysign): New.
6244         * optabs.h (OTI_copysign, copysign_optab): New.
6245         (expand_copysign): Declare.
6246
6247         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
6248         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
6249
6250         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
6251         (ix86_expand_fp_absneg_operator): ... here.
6252         (ix86_split_copysign): New.
6253         * config/i386/i386-protos.h: Update.
6254         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
6255         (copysignsf3, copysigndf3): New.
6256
6257         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
6258         (copysignsf3, ncopysignsf3): New.
6259         (copysigndf3, ncopysigndf3): New.
6260         (copysignxf3, ncopysignxf3): New.
6261         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
6262
6263 2005-01-27  Arend Bayer  <arend.bayer@web.de>
6264             Kazu Hirata  <kazu@cs.umass.edu>
6265
6266         * cse.c: (find_best_addr): Don't call copy_rtx before calling
6267         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
6268         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
6269         NULL_RTX.
6270
6271 2005-01-27  Jeff Law  <law@redhat.com>
6272
6273         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
6274         definitions of SSA_NAMEs which are not being rewritten.
6275         (rewrite_ssa_into_ssa): Only initialize the current definition
6276         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
6277         If checking is enabled, assert that SSA_NAME_AUX is clear for all
6278         SSA_NAMEs before returning.
6279
6280 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
6281
6282         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
6283         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
6284         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
6285         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
6286         config/mips/iris6.h, config/sh/sh.c: Update copyright.
6287
6288 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6289
6290         PR middle-end/17278
6291         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
6292         higher to -O2 and higher.  Likewise for tree PRE.
6293         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
6294         and better.
6295
6296 2005-01-27  Ian Lance Taylor  <ian@airs.com>
6297
6298         PR middle-end/19583
6299         * gimple-low.c (try_catch_may_fallthru): New static function.
6300         (block_may_fallthru): Handle TRY_CATCH_EXPR.
6301         * tree-inline.c (expand_call_inline): Don't warn about reaching
6302         the end of a non-void function being inlined if the function uses
6303         a return slot.
6304
6305 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
6306
6307         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
6308
6309         PR c/18946
6310         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
6311         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
6312         (implicitly_declare): Handle error_mark_node.
6313
6314 2005-01-27  Richard Henderson  <rth@redhat.com>
6315
6316         PR tree-opt/14329
6317         * tree.h (struct tree_decl): Add debug_expr_is_from.
6318         (DECL_DEBUG_EXPR_IS_FROM): New.
6319         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6320         * dwarf2out.c (dwarf2out_var_location): Update to match.
6321         * tree-outof-ssa.c (create_temp): Likewise.
6322         * var-tracking.c (track_expr_p): Likewise.
6323         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6324         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6325         * toplev.c (default_tree_printer): Likewise.
6326
6327 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
6328
6329         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6330         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6331
6332 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6333
6334         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6335         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6336         ASM_CLOBBERS): Add tree checks.
6337
6338         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6339         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6340         * c-common.def (SWITCH_STMT): Update to match.
6341         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6342         macros instead of SWITCH_EXPR ones.
6343         * c-dump.c (c_dump_tree): Likewise.
6344         * c-gimplify.c (gimplify_switch_stmt): Likewise.
6345         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6346
6347         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6348
6349 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
6350
6351         * unwind-dw2.c (execute_stack_op): Add missing cases for
6352         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6353
6354 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
6355
6356         * config.gcc (Obsolete configurations): Remove 'dummy', add
6357         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6358         sparc-*-openbsd*.
6359
6360 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
6361
6362         PR tree-optimization/19633
6363         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6364         CALL_EXPRs.
6365         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6366         are no call-clobbered variables.
6367         * tree-outof-ssa.c (check_replaceable): Return false for calls
6368         with side-effects.
6369
6370 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6371
6372         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6373         even for variables with NULL DECL_INITIAL.
6374
6375 2005-01-26  Stuart Hastings  <stuart@apple.com>
6376
6377         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6378
6379 2005-01-26  Richard Henderson  <rth@redhat.com>
6380
6381         PR middle-end/18008
6382         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6383         field's type.
6384         * expr.c (store_field): Strip conversions to odd-bit-sized types
6385         if the destination field width matches.
6386
6387 2005-01-26  Richard Henderson  <rth@redhat.com>
6388
6389         * c-decl.c, expmed.c, expr.c: Revert last change.
6390
6391 2005-01-26  Richard Henderson  <rth@redhat.com>
6392
6393         PR middle-end/18008
6394         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6395         field's type.
6396         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6397         if we don't need the bits above those present in the current mode.
6398         * expr.c (store_field): Strip conversions to odd-bit-sized types
6399         if the destination field width matches.
6400
6401 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6402
6403         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6404         either -ffast-math or -funsafe-math-optimizations is in use.
6405
6406 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6407
6408         PR target/19293
6409         PR target/19329
6410         * config/avr/avr.c (notice_update_cc): Only set condition code for
6411         ashrqi3 if shift count > 0.
6412         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6413         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6414         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6415         count <= 0 as a no-op, and shift count >= width by copying zero
6416         or sign bit to all bits of the result.
6417         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6418         count, with attribute "length" set to 0 and "cc" set to "none".
6419
6420 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6421
6422         * doc/invoke.texi: Document -mTLS.
6423
6424         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6425         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6426         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6427         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6428         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6429         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6430         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6431         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6432
6433         * configure.ac: Check for a TLS capable gas.
6434
6435         * configure: Regenerate.
6436
6437 2005-01-26  Richard Henderson  <rth@redhat.com>
6438
6439         PR middle-end/18008
6440         * combine.c (make_field_assignment): Simplify store to zero_extract
6441         from a source with an overlapping mask.
6442
6443 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6444
6445         2004-11-11  Eric Christopher  <echristo@redhat.com>
6446
6447         * config/frv/frv.md: Add fr400_integer automaton. Don't
6448         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6449         to TYPE_MACC.
6450
6451 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6452
6453         PR middle-end/16585
6454         * cfgbuild.c (make_edges): Do not clear or set
6455         current_function_has_computed_jump.
6456         * function.h (struct function): Remove the has_computed_jump field.
6457         (current_function_has_computed_jump): Do not define.
6458         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6459         in a computed jump.  Ignore current_function_has_computed_jump.
6460
6461 2005-01-26  Richard Henderson  <rth@redhat.com>
6462
6463         PR middle-end/19515
6464         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6465         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6466         fully initialized.
6467         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6468         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6469         objects into static storage if they have more than one non-zero value.
6470         * tree.h (categorize_ctor_elements): Update decl.
6471
6472 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6473
6474         PR middle-end/19616
6475         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6476         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6477         to this function from 2004-07-10.
6478         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6479         the current function for tail call optimizations if the address
6480         of one of it its arguments is taken.
6481
6482 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6483
6484         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6485
6486 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6487
6488         * function.c (expand_function_end): If current_function_calls_alloca,
6489         emit stack restore in a place that is reached when the function falls
6490         through at the end.
6491
6492 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6493
6494         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6495         rule to avoid matching inappropriate suffix rule.
6496
6497 2005-01-26  Jan Hubicka  <jh@suse.cz>
6498
6499         PR tree-optimization/19241
6500         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6501
6502 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6503
6504         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6505         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6506         of doubling.
6507         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6508         <sim*>: Always use crt1.o, regardless of N in simN.
6509         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6510         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6511         (CRT_CALL_STATIC_FUNCTION): Remove.
6512         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6513         use crt1.o, regardless of N in simN.
6514         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6515         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6516         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6517         case isystem setting.
6518         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6519
6520 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6521
6522         * gimple-low.c (block_may_fallthru): Correct handling of
6523         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6524
6525 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6526
6527         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6528         handlers to match indentation; nested under the mtune=* handler.
6529         Similar for mcpu= and march=.
6530
6531 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6532
6533         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6534         * config/mips/linux64.h (LIB_SPEC): Likewise.
6535         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6536         * config/sh/linux.h (LIB_SPEC): Likewise.
6537
6538 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6539
6540         * config/frv/frv.c (frv_legitimize_tls_address): New.
6541         (TARGET_HAVE_TLS): Define.
6542         (FRV_SYMBOL_REF_TLS_P): Define.
6543         (frv_override_options): Handle new register classes.
6544         (frv_legitimate_address_p): Reject tls addresses.
6545         (frv_legitimize_address): Handle TLS addresses.
6546         (gen_inlined_tls_plt): New.
6547         (gen_tlsmoff): New.
6548         (frv_legitimize_tls_address): New.
6549         (unspec_got_name): Add TLS entries.
6550         (got12_operand): Add R_FRV_TLSMOFF12 case.
6551         (frv_emit_move): Fixup TLS addresses.
6552         (frv_emit_movsi): Legitimize TLS addresses.
6553
6554         * config/frv/frv.h (MASK_BIG_TLS): New.
6555         (TARGET_BIG_TLS): New.
6556         (HAVE_AS_TLS): Define.
6557         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6558         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6559         (REG_CLASS_NAMES): Same.
6560         (REG_CLASS_CONTENTS): Same.
6561         (CONSTRAINT_LEN): New.
6562         (REG_CLASS_FROM_CONSTRAINT): New.
6563         (PREDICATE_CODES): Add symbolic_operand.
6564
6565         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6566         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6567         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6568         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6569         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6570         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6571         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6572         GR9_REG, GR14_REG, LRREG.
6573         (type): Add load_or_call attribute.
6574         ("load_or_call"): New reservation.
6575         ("call_gettlsoff"): New.
6576         ("tls_indirect_call"): New.
6577         ("tls_load_gottlsoff12"): New.
6578         ("tlsoff_hilo"): New.
6579         ("tls_tlsdesc_ldd"): New.
6580         ("tls_tlsoff_ld"): New.
6581         ("tls_lddi"): New.
6582
6583         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6584
6585         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6586
6587         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6588         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6589         * config/frv/frv.c (TLS_BIAS): Define.
6590         (frv_output_dwarf_dtprel): New.
6591
6592 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6593
6594         PR rtl-optimization/19579
6595         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6596         both A and B, see if they don't clobber registers the other expr uses.
6597
6598 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6599
6600         * real.c (do_add): Initialize signalling and canonical members.
6601
6602         * real.c (real_from_integer): Zero out destination.
6603
6604 2005-01-18  Jan Hubicka  <jh@suse.cz>
6605
6606         PR tree-optimize/19337
6607         * tree-inline.c (initialize_inlined_parameters): Copy
6608         saved_static_chain_decl only.
6609
6610 2005-01-25  Richard Henderson  <rth@redhat.com>
6611
6612         PR target/19556
6613         PR target/19584
6614         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6615         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6616         80387 enabled, to return a proper subclass.  Return the subset that
6617         overlaps with GENERAL_REGS for PLUS.
6618         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6619
6620 2005-01-25  Richard Henderson  <rth@redhat.com>
6621
6622         PR middle-end/19609
6623         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6624
6625 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6626
6627         * expmed.c (choose_multiplier): Change interface to return the
6628         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6629         (expand_divmod): Update calls to choose_multiplier.
6630
6631 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6632
6633         PR middle-end/19330
6634         * expmed.c (extract_bit_field): Use adjust_address instead of
6635         gen_lowpart when op0 is a MEM.
6636
6637 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6638
6639         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6640
6641 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6642
6643         * config/mips/irix-csr.c: New file.
6644         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6645         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6646         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6647         executables.
6648
6649 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6650
6651         PR bootstrap/19364
6652         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6653         sparc/elf.h, add sparc/sp-elf.h.
6654         (sparc-*-rtems*): Likewise.
6655         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6656         tm-dwarf2.h, add sparc/sp-elf.h.
6657         (sparc86x-*-elf): Likewise.
6658         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6659         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6660         TARGET_OS_CPP_BUILTINS.
6661         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6662         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6663         Undefine it.
6664         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6665         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6666         (SWITCH_TAKES_ARG): Likewise.
6667         (LOCAL_LABEL_PREFIX): Likewise.
6668         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6669         (TARGET_N_FORMAT_TYPES): Delete.
6670         (TARGET_FORMAT_TYPES): Likewise.
6671         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6672         * config/sparc/elf.h: Delete.
6673         * config/sparc/sp-elf.h: New file.
6674
6675 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6676
6677         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6678         * tree-flow.h: Remove the corresponding prototype.
6679         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6680         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6681
6682 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6683
6684         PR target/17751
6685         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6686         for AIX ABI or ELF -fPIC.
6687         (rs6000_emit_load_toc_table): Don't create toc_section here.
6688         (rs6000_xcoff_file_start): Nor here.
6689
6690 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6691
6692         * sh.c (ra.h): Don't #include.
6693         (hard_regs_intersect_p): New function, resurrected from ra.c.
6694
6695         * sh.c: Fix 1996 Copyright.
6696
6697 2005-01-24  Richard Henderson  <rth@redhat.com>
6698             Aldy Hernandez  <aldyh@redhat.com>
6699
6700         * regrename.c (note_sets): Handle subregs.
6701
6702 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6703
6704         PR bootstrap/18058
6705         * genconditions.c (write_header, write_conditions): Elide file if
6706         not GCC >= 3.0.1.
6707
6708 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6709
6710         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6711         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6712         Update copyright.
6713
6714 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6715
6716         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6717         expand_builtin_printf, expand_builtin_fprintf,
6718         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6719         checking against POINTER_TYPE.
6720         (validate_arglist): Handle POINTER_TYPE code by checking
6721         POINTER_TYPE_P.
6722
6723 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6724
6725         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6726         init_rtlanal): New.
6727         (for_each_rtx): Call for_each_rtx_1.
6728         * rtl.h (init_rtlanal): Declare.
6729         * toplev.c (backend_init): Call init_rtlanal.
6730
6731 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6732
6733         * flow.c (propagate_one_insn): Formatting.
6734
6735         PR middle-end/19551
6736         * flow.c (libcall_dead_p): Be more conservative if unsure.
6737         If there are any instructions between insn and call, see if they are
6738         all dead before saying the libcall is dead.
6739
6740 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6741
6742         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6743         operand constraint for operand 0.
6744
6745 2005-01-23  Richard Henderson  <rth@redhat.com>
6746
6747         PR 19486
6748         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6749         edges leading to join block.
6750
6751 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6752
6753         * expmed.c (expand_mult_highpart): Make static.  Change type of
6754         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6755         (expand_divmod): Updates calls to expand_mult_highpart by using
6756         gen_int_mode to pass a CONST_INT rtx.
6757         * rtl.h (expand_mult_highpart): Remove prototype.
6758
6759 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6760
6761         * flow.c (regset_bytes, regset_size): Remove.
6762
6763         * cfganal.c: Fix a reference to Harvey's paper.
6764
6765 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6766
6767         PR rtl-optimization/19464
6768         * tree-optimize.c (init_tree_optimization_passes): Add one more
6769         copyrename pass just before out-of-ssa.
6770
6771 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6772
6773         PR bootstrap/18058
6774         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6775         * ggc-none.c (ggc_free): Define.
6776
6777 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6778
6779         * cse.c (max_reg, max_insn_uid): Remove.
6780         (cse_main): Don't access max_reg or max_insn_uid.
6781
6782         * c-common.c (explicit_flag_signed_bitfields,
6783         lang_statement_code_p, lang_expand_function_end): Remove.
6784         * c-common.h: Remove the corresponding declarations.
6785         * c-opts.c (c_common_handle_option): Remove all write access
6786         to explicit_flag_signed_bitfields.
6787
6788         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6789         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6790         * cgraph.h: Remove the corresponding declaration.
6791
6792         * gcse.c (null_pointer_info): Remove.
6793
6794 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6795             Eric Botcazou  <ebotcazou@libertysurf.fr>
6796
6797         * combine.c (simplify_logical): Only simplify logical expressions
6798         of the form ior(and(x,y),z) by the inverse distributive law if the
6799         result is cheaper than the original.
6800
6801 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6802
6803         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6804         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6805         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6806         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6807         config/freebsd-spec.h, config/arm/arm.h,
6808         config/h8300/h8300.md, config/i386/i386.md,
6809         config/i386/predicates.md, config/i386/sse.md,
6810         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6811         config/vax/vax.md: Fix comment typos.  Follow spelling
6812         conventions.
6813
6814 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6815
6816         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6817         tests, instead of `less than'.
6818
6819 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6820
6821         * function.c (assign_parm_setup_block): When creating a new stack slot
6822         for a parameter, get its alignment from the parameter's DECL_ALIGN
6823         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6824         is at least word aligned.
6825
6826 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6827
6828         PR middle-end/19378
6829         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6830
6831 2005-01-22  Richard Henderson  <rth@redhat.com>
6832
6833         PR target/19506
6834         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6835         in both compare operands.
6836         (movdfcc_1_sse_max): Likewise.
6837         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6838         (movdfcc_1_sse): Likewise.
6839         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6840         scratch register as needed.
6841
6842 2005-01-22  Richard Henderson  <rth@redhat.com>
6843
6844         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6845
6846         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6847
6848 2005-01-22  Richard Henderson  <rth@redhat.com>
6849
6850         * genopinit.c (optabs): Use smin/smax for floating point too.
6851         * doc/md.texi: Update to match.  Clarify that floating point
6852         results are undefined for +0/-0 and NaN.
6853         * doc/rtl.texi: Likewise.
6854         * rtl.def (SMIN, SMAX): Likewise
6855         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6856
6857         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6858         leading 's' to the name.
6859         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6860         smaxxf3, sminxf3): Likewise.
6861         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6862         Likewise.
6863
6864 2005-01-22  Paul Brook  <paul@codesourcery.com>
6865
6866         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6867
6868 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6869
6870         * config/s390/s390.c (struct processor_costs): New fields
6871         dlgr, dlr, dr, dsgfr, dsgr.
6872         (z900_cost, z990_cost): Values for new fields.
6873         (s390_rtx_costs): New cases MEM und COMPARE in switch
6874         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6875         DIV, MOD, UDIV, UMOD.
6876
6877 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6878
6879         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6880         into the register being decremented.
6881         ("doloop_si31", "doloop_di"): Likewise.
6882         ("*doloop_si_long"): Adapt pattern.
6883
6884 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6885
6886         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6887         access registers.
6888         (CLASS_MAX_NREGS): Likewise.
6889
6890 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6891
6892         * doc/tree-ssa.texi (Statement Operands): Add example for new
6893         must-def macro. Note deprecation of old operands interface.
6894
6895 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6896
6897         PR tree-optimization/19484
6898         * tree-cfg.c (remove_fallthru_edge): New function.
6899         (cleanup_control_flow): Remove fallthru edges from calls that are
6900         now known not to return.
6901
6902 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6903
6904         Fix PR tree-optimization/19038
6905         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6906         copies with loop variant ones.
6907
6908 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6909
6910         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6911         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6912         config/alpha/alpha.md, config/alpha/predicates.md,
6913         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6914         config/sparc/sol2.h: Update copyright.
6915
6916         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6917         first label to see if it is a nonlocal label.
6918
6919 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6920             Andrew Pinski  <pinskia@physics.uc.edu>
6921
6922         PR target/19491
6923         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6924         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6925
6926 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6927
6928         * config/rs6000/rtems.h: Update copyright.
6929
6930 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6931
6932         PR target/19548
6933         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6934         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6935         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6936
6937 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6938
6939         PR c/18809
6940         * c-typeck.c (convert_arguments): Check for error_mark_node.
6941
6942 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6943
6944         PR tree-optimization/13000
6945         * tree-inline.c: Include "tree-flow.h".
6946         (expand_call_inline): If warn_return_type, warn if non-void inline
6947         function falls through.
6948         * tree-cfg.c (execute_warn_function_return): Don't warn about
6949         control reaching end if TREE_NO_WARNING is set.  Set
6950         TREE_NO_WARNING.
6951         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6952         has been lowered.
6953         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6954         branch if we don't need one.
6955         * c-typeck.c: Include "tree-flow.h"
6956         (c_finish_bc_stmt): Don't add a goto if the current statement
6957         list doesn't fall through to the current point.
6958
6959 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6960
6961         PR rtl-optimization/576
6962         * real.c (real_arithmetic): Change return type from void to bool
6963         to return an indication that the result may be inexact.
6964         * real.h (real_arithmeric): Update prototype.
6965         * fold-const.c (const_binop):  Don't constant fold floating
6966         point expressions when the user specifies -frounding-math and
6967         the result may depend upon the run-time rounding mode.
6968         (fold_convert_const_real_from_real): Clean-up.
6969         (fold_initializer): Ignore flag_rounding_math for initializers.
6970         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6971         constant fold FP operations with flag_rounding_math if the
6972         result may depend upon the run-time rounding mode.
6973
6974 2005-01-21  Tom Tromey  <tromey@redhat.com>
6975
6976         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6977
6978 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6979
6980         * tree-cfg.c: Fix comment typos.
6981
6982 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6983
6984         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6985         around the call to rest_of_handle_branch_target_load_optimize.
6986
6987 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6988
6989         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6990         (sparc64-*-openbsd*): Likewise.
6991         (sparclite-*-elf*): Include tm-dwarf2.h.
6992         (sparc86x-*-elf*): Likewise.
6993         (sparc64-*-elf*): Likewise.
6994         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6995         (DBX_DEBUGGING_INFO): Likewise.
6996         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6997         (PREFERRED_DEBUGGING_TYPE): Likewise.
6998         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6999         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
7000         (PREFERRED_DEBUGGING_TYPE): Likewise.
7001         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
7002         (PREFERRED_DEBUGGING_TYPE): Likewise.
7003         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
7004
7005 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
7006
7007         PR target/18701
7008         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
7009
7010 2005-01-20  Paul Brook  <paul@codesourcery.com>
7011
7012         * doc/rtl.texi: Document value extension requirements for CONST_INT.
7013
7014 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7015
7016         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
7017         label is first in a sequence of labels.
7018
7019         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
7020
7021 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
7022             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
7023
7024         * doc/sourcebuild.texi (Test Directives): New.
7025
7026 2005-01-20  Roger Sayle  <roger@eyesopen.com>
7027
7028         * real.c (real_floor): Don't leave the result uninitialized when
7029         mode is VOIDMode, but return the unrounded intermediate value.
7030         (real_ceil): Likewise.
7031
7032 2005-01-20  Paul Brook  <paul@codesourcery.com>
7033
7034         * config/arm/arm.md (insv): Use gen_int_mode.
7035
7036 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
7037
7038         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
7039         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7040         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7041         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7042         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7043
7044 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
7045
7046         Fix PR debug/19124
7047         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
7048         fbreg, so we have to assume we can't.
7049         (loc_descriptor_from_tree_1): Ditto.
7050         (containing_function_has_frame_base): New function.
7051         (add_location_or_const_value_attribute): Use it.
7052         Also try to generate a frame_base from a single element location
7053         list.
7054
7055 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7056
7057         PR tree-optimization/15349
7058         * timevar.def (TV_TREE_MERGE_PHI): New.
7059         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
7060         PHI_WANTED.
7061         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
7062         calls to tree_forwarder_block_p.
7063         (remove_forwarder_block_with_phi, merge_phi_nodes,
7064         gate_merge_phi, pass_merge_phi): New.
7065         * tree-optimize.c (init_tree_optimization_passes): Add
7066         pass_merge_phi.
7067         * tree-pass.h: Add an extern for pass_merge_phi;
7068
7069 2005-01-20  Richard Henderson  <rth@redhat.com>
7070
7071         PR target/19418
7072         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
7073         (_mm_castps_pd, _mm_castps_si128): New.
7074         (_mm_castsi128_ps, _mm_castsi128_pd): New.
7075
7076 2005-01-20  Richard Henderson  <rth@redhat.com>
7077
7078         PR target/19530
7079         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
7080         __builtin_ia32_vec_init_v2si.
7081         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
7082         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
7083         (ix86_init_mmx_sse_builtins): Create it.
7084         (ix86_expand_builtin): Expand it.
7085         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
7086         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
7087         (vec_extractv2si_0, vec_extractv2si_1): New.
7088
7089 2005-01-20  Richard Henderson  <rth@redhat.com>
7090
7091         PR target/16533
7092         * config/i386/i386.c (ix86_expand_push): New.
7093         * config/i386/mmx.md (push<MMXMODE>1): New.
7094         * config/i386/sse.md (push<SSEMODE>1): New.
7095         * config/i386/i386-protos.h: Update.
7096
7097 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7098
7099         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
7100         copyright.
7101
7102 2005-01-20  Richard Henderson  <rth@redhat.com>
7103
7104         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
7105         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
7106
7107 2005-01-19  Richard Henderson  <rth@redhat.com>
7108
7109         PR target/19350
7110         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
7111         to V4SFmode in SSE1 fallback load path.
7112
7113 2005-01-19  Richard Henderson  <rth@redhat.com>
7114
7115         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
7116         in QImode expansion to ix86_expand_vector_set.
7117         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
7118
7119 2005-01-19  Richard Henderson  <rth@redhat.com>
7120
7121         PR target/19511
7122         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
7123         subclass of the input class.
7124         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
7125         Always true for cross-SSE1 classes.  Rationalize conditionals.
7126         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
7127         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
7128         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
7129         (movdi_2): Add MMX/SSE zeros.
7130         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
7131         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
7132         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7133         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
7134         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
7135         (zero_extendsidi2_rex64_1): Remove.
7136         (MOV0 peephole): Check GENERAL_REG_P.
7137
7138 2005-01-19  Richard Henderson  <rth@redhat.com>
7139
7140         PR target/19427
7141         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
7142         shufps elements.
7143         (ix86_expand_vector_extract): Likewise.
7144
7145 2005-01-19  Richard Henderson  <rth@redhat.com>
7146
7147         PR middle-end/19304
7148         * expr.c (emit_move_change_mode): New argument force; use
7149         simplify_gen_subreg if true.
7150         (emit_move_via_alt_mode): Merge into ...
7151         (emit_move_via_integer): ... here.
7152         (emit_move_ccmode): Use emit_move_change_mode directly.
7153
7154 2005-01-19  Richard Henderson  <rth@redhat.com>
7155
7156         PR target/19518
7157         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
7158         (alpha_preferred_reload_class): Handle CONST_VECTOR.
7159         (alpha_emit_set_const_1): Add no_output parameter; don't emit
7160         rtl if true.
7161         (alpha_emit_set_const): Likewise.  Make static.
7162         (alpha_emit_set_long_const): Make static.
7163         (alpha_extract_integer): Split out from alpha_expand_mov.
7164         (alpha_split_const_mov): Likewise.
7165         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
7166         (alpha_legitimate_constant_p): New.
7167         * config/alpha/alpha-protos.h: Update.
7168         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
7169         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
7170         * config/alpha/alpha.md (movsi): Add n alternative.
7171         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
7172         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
7173         (splitters for all of the above): Use alpha_split_const_mov.
7174         * config/alpha/predicates.md (non_add_const_operand): New.
7175         (non_zero_const_operand): New.
7176         (input_operand): Use alpha_legitimate_constant_p after reload.
7177
7178 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7179
7180         PR tree-optimization/19038
7181         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
7182         (add_candidate): Add ivs with increment in latch only if
7183         allow_ip_end_pos_p is true.
7184         (determine_iv_cost): Use empty_block_p.
7185
7186 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
7187
7188         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
7189         (compute_dominance_frontiers): Ditto.
7190
7191 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
7192
7193         PR target/19529
7194         * config/sh/t-rtems: New.
7195         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
7196
7197 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7198
7199         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
7200         the offset of the selected field.
7201
7202 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
7203
7204         * tree-cfg.c (remove_forwarder_block): Fix the check to
7205         prevent a nonlocal label from appearing in the middle of a
7206         basic block.
7207
7208 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
7209
7210         PR rtl-optimization/19462
7211         * reorg.c (find_end_label): Create return insn only if
7212         current_function_epilogue_delay_list is empty.
7213
7214 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
7215
7216         * doc/passes.texi: Remove paragraph mentioning new-ra.
7217
7218 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
7219
7220         PR rtl-optimization/15139
7221         * combine.c: Include params.h.
7222         (count_rtxs): New function.
7223         (record_value_for_reg): If replace_rtx would replace at least
7224         2 occurrences of REG in VALUE and TEM is really large, replace REG with
7225         (clobber (const_int 0)) instead of TEM.
7226         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
7227         * params.h (MAX_LAST_VALUE_RTL): New.
7228         * Makefile.in (combine.o): Depend on $(PARAMS_H).
7229         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
7230
7231         PR c/17297
7232         * c-typeck.c (digest_init): Only call build_vector if all constructor
7233         elements are *_CST nodes.
7234         * gimplify.c (gimplify_init_constructor): Likewise.
7235
7236         PR middle-end/19164
7237         * c-typeck.c (digest_init): Only call build_vector if inside_init
7238         is a CONSTRUCTOR.
7239
7240 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7241
7242         * toplev.c (init_asm_output): Remove dead #ifdef.
7243
7244 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
7245
7246         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
7247
7248 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7249
7250         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
7251         accessing DECL_FUNCTION_CODE.
7252         * dojump.c (do_jump): Likewise.
7253         * gimplify.c (gimplify_call_expr): Likewise.
7254         * predict.c (expr_expected_value): Likewise.
7255         (strip_builtin_expect): Likewise.
7256         * tree-inline.c (estimate_num_insns_1): Likewise.
7257         * tree-ssa-loop-im.c (stmt_cost): Likewise
7258         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
7259         (tree_expr_nonnegative_p): Likewise.
7260
7261 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7262
7263         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
7264         variant of the load_pcrel_sym pattern.
7265         * config/sparc/sparc.md (P macro): Move to the top.
7266         (load_pcrel_sym): Macroize using P.
7267         (save_register_window): Likewise.
7268
7269 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
7270
7271         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
7272         ("sordered"): Same.
7273
7274 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
7275
7276         PR C/19472
7277         * c-typeck.c (build_asm_expr): Strip nops off
7278         input memory operands.
7279
7280 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
7281
7282         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
7283         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
7284         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
7285         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
7286
7287 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
7288
7289         PR target/19379
7290         * config/i386/i386.c (override_options): If the 80387 is disabled,
7291         then do not return FP values using FP registers.
7292
7293 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
7294
7295         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
7296         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
7297         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
7298         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
7299         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
7300         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
7301         output.h, postreload-gcse.c, postreload.c, recog.c,
7302         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
7303         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
7304         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
7305         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
7306         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
7307         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
7308         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
7309         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
7310
7311         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
7312         config/alpha/alpha.c, config/arm/vfp.md,
7313         config/i386/emmintrin.h, config/i386/i386-modes.def,
7314         config/i386/i386-protos.h, config/i386/i386.h,
7315         config/i386/pmmintrin.h, config/i386/ppro.md,
7316         config/i386/predicates.md, config/i386/xmmintrin.h,
7317         config/i860/i860.c, config/ia64/ia64-modes.def,
7318         config/ia64/ia64-protos.h, config/ia64/ia64.h,
7319         config/ia64/ia64.md, config/ia64/itanium1.md,
7320         config/ia64/itanium2.md, config/ia64/predicates.md,
7321         config/iq2000/iq2000.h, config/mips/linux64.h,
7322         config/rs6000/aix41.h, config/rs6000/aix43.h,
7323         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7324         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7325         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7326         config/sparc/linux64.h, config/sparc/litecoff.h,
7327         config/sparc/sp64-elf.h, config/sparc/sparc.c,
7328         config/sparc/sparc.h, config/sparc/sparc.md,
7329         config/sparc/sysv4-only.h: Update copyright.
7330
7331 2005-01-18  Richard Henderson  <rth@redhat.com>
7332
7333         PR target/19496
7334         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7335
7336 2005-01-18  Marc Espie  <espie@openbsd.org>
7337         * config/i386/openbsdelf.h: Typo.
7338
7339 2005-01-18  Richard Henderson  <rth@redhat.com>
7340
7341         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7342         special case for sse.
7343         * config/i386/predicates.md (sse_comparison_operator): Likewise.
7344
7345 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
7346
7347         * tree-inline.c (estimate_num_insns_1): Added cases for
7348         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7349
7350 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7351
7352         PR rtl-optimization/19296
7353         * combine.c (simplify_comparison): Rewrite the condition under
7354         which a non-paradoxical SUBREG of a PLUS can be lifted when
7355         compared against a constant.
7356
7357 2005-01-18  Andi Kleen <ak@muc.de>
7358
7359         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7360         * c.opt (-Wpointer-sign): Add.
7361         * doc/invoke.texi: (-Wpointer-sign): Add.
7362
7363 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7364
7365         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7366         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7367         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7368         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7369         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7370         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7371         for TARGET_MIX_SSE_I387.
7372         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7373         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7374         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7375         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7376         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7377         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7378         TARGET_MIX_SSE_I387.
7379         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7380         from expander.
7381
7382 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7383
7384         PR target/19424
7385         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7386         Add movaps alternative for xmm reg->reg move.
7387
7388 2005-01-17  Jeff Law  <law@redhat.com>
7389
7390         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7391         at the end of the main DOM loop rather than just before DOM exits.
7392
7393 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7394
7395         PR tree-optimization/19121
7396         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7397         adding aliases to a name tag, also add them to the pointer's
7398         type tag.
7399         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7400         sensitive alias info at all.  Only check that the two pointers
7401         have compatible pointed-to sets.
7402         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7403         a pointer's type tag is a superset of the alias set of the
7404         pointer's name tag.
7405
7406 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7407
7408         PR target/19357
7409         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7410         comment to document why.
7411
7412 2005-01-17  Richard Henderson  <rth@redhat.com>
7413
7414         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7415         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7416         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7417         sse2_vmsminv2df3_finite): New.
7418         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7419         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7420         Force op1 into register.
7421
7422 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7423
7424         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7425         bubblestrap from always rebuilding build directory.
7426
7427 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7428
7429         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7430         ("*cmpmem_short"): Likewise.
7431
7432 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7433
7434         * basic-block.h: Document BB_* flags.
7435         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7436         use an sbitmap instead.
7437         * sched-rgn.c (compute_trg_info): Likewise.
7438
7439 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7440
7441         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7442         redundant target_cpu_default and extra_parts lines.  Use the default
7443         "from-abi" ISA.
7444         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7445         (SUBTARGET_EXTRA_SPECS): Delete.
7446         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7447         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7448         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7449         and "n32" for -mabi=n32.
7450
7451 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7452
7453         PR c/5675
7454         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7455         fold constant variables into initial values.
7456
7457 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7458
7459         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7460
7461         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7462         through the statements backward.
7463
7464 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7465
7466         PR middle-end/13127:
7467         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7468         a variable set to the return value of the inlined function.
7469
7470 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7471
7472         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7473         when modes are tieable.
7474
7475 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7476
7477         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7478         of pthread_create to find out if threads are enabled.
7479         * gthr-posix95.h (__gthread_active_p): Likewise.
7480
7481 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7482
7483         * common.opt (-fnew-ra): Remove.
7484         * ra*.*: Remove.
7485         * toplev.h (flag_new_regalloc): Remove.
7486         * Makefile.in (ra*.*): Don't mention.
7487         * passes.c (rest_of_handle_new_regalloc): Remove.
7488         (rest_of_handle_combine, rest_of_compilation): Always consider
7489         flag_new_regalloc as false.
7490         * doc/invoke.texi: Don't document -fnew-ra.
7491
7492 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7493
7494         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7495         last parameter to reg_scan.
7496         * loop.c (loop_optimize): Likewise.
7497         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7498         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7499         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7500         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7501         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7502         * regclass.c (reg_scan): Likewise, for the declaration.
7503         * rtl.h (reg_scan): Likewise, for the prototype.
7504
7505 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7506
7507         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7508         mark_dfs_back_edges.
7509
7510 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7511
7512         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7513         (compute_avail): Uses don't go in tmp_gen.
7514
7515 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7516
7517         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7518         loop to look for a free slot in a page entry.
7519
7520 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7521
7522         PR target/16304
7523         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7524         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7525         just before targetm.asm_out.file_end.
7526         * tree.h (process_pending_assemble_output_defs): Declare.
7527         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7528         New functions.
7529         (assemble_alias): Defer generation of assembly code for defines when
7530         TARGET_DEFERRED_OUTPUT_DEFS is true.
7531         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7532         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7533         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7534
7535 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7536
7537         PR target/19336
7538         * pa.c (pa_scalar_mode_supported_p): New function.
7539         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7540         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7541
7542         * pa-protos.h (prefetch_operand): Delete.
7543         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7544         * pa.c (prefetch_operand): Delete.
7545         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7546         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7547         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7548         and prefetch_nocc_operand.
7549         * pa.md (prefetch): Rework to avoid reload problems handling short
7550         displacements when a cache control completer needs to be provided.
7551         (prefetch_32, prefetch_64): Delete.
7552         (prefetch_cc, prefetch_nocc): New patterns.
7553
7554 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7555
7556         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7557
7558 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7559
7560         PR ada/19388
7561         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7562         exceeds maximum alignment for global common data.
7563         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7564         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7565
7566 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7567
7568         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7569
7570 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7571
7572         * harg-reg-set.h (reg_class_names): Prototype global array.
7573         * regclass.c (reg_class_names): Declare here and initialize to
7574         REG_CLASS_NAMES.
7575         (dump_regclass): Remove local declaration of reg_class_names.
7576         (regclass): Likewise.
7577         * cfg.c (dump_flow_info): Likewise.
7578         * ra-debug.c (reg_class_names): Likewise.
7579         * regrename.c (reg_class_names): Likewise.
7580         * reload.c (reg_class_names): Likewise.
7581         * reload1.c (spill_failure): Likewise.
7582         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7583
7584 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7585
7586         * config/s390/s390.md ("reload_outti"): Remove predicate for
7587         output operand.  Abort if operand is not a MEM.
7588         ("reload_outdi", "reload_outdf"): Likewise.
7589
7590 2005-01-15  Marc Espie  <espie@openbsd.org>
7591
7592         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7593         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7594         * config/openbsd.h:  Fix C++ includes for native configurations.
7595         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7596         Add trampoline support.
7597         * config/i386/openbsdelf.h: New.
7598
7599 2005-01-15  Marc Espie  <espie@openbsd.org>
7600
7601         * collect2.c (main): Explicitly parse -dynamic-linker option.
7602
7603 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7604
7605         PR tree-optimization/19060
7606         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7607         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7608         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7609         and handle extract_range_from_cond returning false.
7610         * fold-const.c (fold): Optimize comparisons with min/max even for
7611         width > HOST_BITS_PER_WIDE_INT.
7612
7613 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7614
7615         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7616         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7617         Remove little endian multilib variants.
7618         Add mips32 multilib variant.
7619
7620 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7621
7622         * explow.c (copy_all_reg, stabilize): Remove.
7623         * expr.h: Remove the corresponding prototypes.
7624
7625         * rtlanal.c (regs_set_between_p): Remove.
7626         * rtl.h: Remove the corresponding prototype.
7627
7628 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7629
7630         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7631         to rs6000_nonimmediate_operand.
7632         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7633         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7634         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7635         rs6000_nonimmediate_operand.
7636         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7637         rs6000_nonimmediate_operand.
7638
7639 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7640
7641         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7642
7643 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7644
7645         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7646         on e500v2.
7647         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7648         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7649
7650         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7651         (rs6k_nonimmediate_operand): New.
7652         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7653         correctly.
7654         (legitimate_lo_sum_address_p): Same.
7655         (rs6000_legitimize_address): Same.
7656         (rs6000_legitimize_reload_address): Same.
7657         (rs6000_legitimate_address): Same.
7658         (spe_build_register_parallel): Pass DF and DC modes in a DI
7659         register.
7660
7661         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7662         to rs6k_nonimmediate_operand.
7663
7664         * config/rs6000/spe.md ("*frob_df_di"): New.
7665         ("*frob_di_df"): New.
7666         ("*frob_di_df_2"): New.
7667         ("*mov_sidf_e500_subreg0"): New.
7668         ("*mov_sidf_e500_subreg4"): New.
7669         ("*movdf_e500_double"): Change predicate to
7670         rs6k_nonimmediate_operand.
7671
7672 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7673
7674         * postreload.c (move2add_note_store): Only call
7675         trunc_int_for_mode on scalar integers.
7676
7677 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7678
7679         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7680         replace BB_VISITED uses.
7681         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7682         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7683         (tree_dce_done): Free visited_control_parents.
7684         (perform_tree_ssa_dce): Allocate and clear it.
7685         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7686         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7687         instead of BB_VISITED.
7688
7689 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7690
7691         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7692         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7693         Remove unused prototypes.
7694
7695 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7696
7697         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7698         64-bit register usage.
7699         (spe_func_has_64bit_regs_p): Add FIXME note.
7700
7701 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7702
7703         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7704         flag_finite_math_only with flag_unsafe_math_optimizations.
7705
7706 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7707
7708         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7709         end-of-stack check.
7710         (__tpf_eh_return): Copy TPF private stack area from the module
7711         boundary stack frame.  Add check for when module addresses are
7712         equal, but no stub address is found.
7713
7714 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7715
7716         PR target/7525
7717         * arm.h (struct machine_function): Add call_via field.
7718         (thumb_call_via_label): Declare.
7719         * arm.c (thumb_call_via_label): New variable.
7720         (thumb_call_reg_needed): New variable.
7721         (arm_output_function_epilogue): For Thumb code, output any per-function
7722         call-indirect trampolines.
7723         (thumb_call_via_reg): New function.
7724         (arm_file_end): New function.
7725         (TARGET_ASM_FILE_END): Call arm_file_end.
7726         (aof_file_end): Likewise.
7727         * arm-protos.h (thumb_call_via_reg): Declare.
7728         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7729         thumb_call_via_reg in normal case.
7730
7731 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7732
7733         PR middle-end/19084
7734         PR rtl-optimization/19348
7735         * recog.c (peephole2_optimize): Do global life update if some peephole
7736         decides it doesn't need at least one of its inputs and that change
7737         influences liveness at the start of the basic block.
7738
7739         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7740         arguments instead of 1.
7741
7742 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7743
7744         PR middle-end/18820
7745         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7746         zero for nested functions needing a static chain or functions
7747         with a non-constant address.
7748
7749 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7750
7751         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7752         (and (sign_extend X) C) into (zero_extend (and X C)).
7753
7754 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7755
7756         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7757
7758 2005-01-13  Richard Henderson  <rth@redhat.com>
7759
7760         PR target/19009
7761         PR target/19250
7762         PR target/19252
7763         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7764         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7765         not just TARGET_SSE.
7766         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7767         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7768         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7769         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7770         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7771         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7772         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7773         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7774         (movdicc_c_rex64): Rename with '*'.
7775         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7776         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7777         (movsfcc_1_387): Rename from movsfcc_1.
7778         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7779         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7780         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7781         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7782         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7783         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7784         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7785         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7786         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7787         sse_movdfcc_const0_4): Remove.
7788         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7789         recognize min/max early.  Update for changed sse cmove patterns.
7790         (ix86_split_sse_movcc): New.
7791         * config/i386/i386-protos.h: Update.
7792
7793 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7794
7795         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7796         (fix_stmt_v_may_defs): Likewise.
7797
7798 2005-01-13  Richard Henderson  <rth@redhat.com>
7799
7800         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7801         for converting the mask.
7802
7803 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7804
7805         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7806         definition to 600.
7807
7808 2005-01-13  Richard Henderson  <rth@redhat.com>
7809
7810         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7811         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7812         IX86_BUILTIN_MOVDQ2Q): Remove.
7813         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7814         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7815         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7816         shuffling.
7817         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7818         (sse2_pextrw): Fix immediate constraint.
7819         (sse2_loadq, sse2_loadq_rex64): Remove.
7820         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7821         Use __builtin_ia32_vec_ext_<size>.
7822         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7823
7824 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7825
7826         * function.c (assign_parm_setup_block): Look inside original
7827         entry_parm when inspecting PARALLEL.
7828
7829 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7830             Joel Sherrill  <joel@oarcorp.com>
7831
7832         PR target/19399
7833         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7834         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7835         rtems_gxx_recursive_mutex_init.
7836         (__gthread_recursive_mutex_lock): New function.
7837         (__gthread_recursive_mutex_trylock): Likewise.
7838         (__gthread_recursive_mutex_unlock): Likewise.
7839
7840 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7841
7842         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7843
7844 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7845
7846         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7847         (ashrti3_internal): Indicate output is early clobber. Generate result
7848         into output rather than first input. Use move for low word of output
7849         if shift count is exactly 64.
7850         (lshrti3_internal): Likewise.
7851
7852 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7853
7854         PR target/18329
7855         PR target/18330
7856         * reload1.c (delete_output_reload): Don't delete an output reload
7857         if the pseudo lives longer than a single basic block.  Adjust and
7858         improve wording of comment.
7859
7860 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7861
7862         PR target/19334
7863         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7864         of TYPE_SIZE where we mean the number of bytes.
7865
7866 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7867
7868         * function.c (assign_parm_setup_block): Relax condition on
7869         multi-register optimization.
7870
7871 2005-01-12  Nick Clifton  <nickc@redhat.com>
7872
7873         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7874         an "in_delay_slot" attribute of "no" to prevent them being used in
7875         delay slots.  This is forbidden because they might generate
7876         exceptions.
7877
7878 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7879
7880         PR target/19389
7881         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7882         with r->Y and Y->r.
7883
7884 2005-01-12  Nick Clifton  <nickc@redhat.com>
7885
7886         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7887         passed on to GAS) but do not define, as GAS no longer supports or
7888         needs the -m2000 option.
7889
7890 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7891
7892         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7893         type as args of unprototyped builtins aren't automatically promoted.
7894         (fold_builtin_abs): Likewise.
7895
7896 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7897
7898         * Makefile.in: Set a `build-warn' variable.
7899
7900 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7901
7902         PR tree-optimization/17949
7903         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7904         (find_interesting_uses_address): Use it.
7905
7906 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7907
7908         * regrename.c (kill_value): Handle subreg's that won't simplify.
7909
7910 2005-01-11  Richard Henderson  <rth@redhat.com>
7911
7912         PR target/13366
7913         * config/i386/i386.h (enum ix86_builtins): Move ...
7914         * config/i386/i386.c: ... here.
7915         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7916         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7917         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7918         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7919         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7920         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7921         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7922         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7923         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7924         IX86_BUILTIN_LOADDDUP): Remove.
7925         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7926         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7927         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7928         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7929         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7930         (ix86_init_builtins): Make static.
7931         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7932         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7933         if all the modes match.  Otherwise, fake it.
7934         (get_element_number, ix86_expand_vec_init_builtin,
7935         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7936         (ix86_expand_builtin): Make static.  Update for changed builtins.
7937         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7938         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7939         (ix86_expand_vector_init_duplicate): New.
7940         (ix86_expand_vector_init_low_nonzero): New.
7941         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7942         Split out from ix86_expand_vector_init; handle integer modes.
7943         (ix86_expand_vector_init): Use them.
7944         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7945         * config/i386/i386-protos.h: Update.
7946         * config/i386/predicates.md (reg_or_0_operand): New.
7947         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7948         (movv2sf_internal): Likewise.  And a splitter to match them all.
7949         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7950         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7951         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7952         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7953         (mmx_pinsrw): Fix operand ordering.
7954         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7955         rather than sse_loadss expander.
7956         (movv2df splitter): Similarly.
7957         (sse_loadss, sse_loadlss): Remove.
7958         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7959         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7960         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7961         (sse3_movddup): Rename with '*'.
7962         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7963         (sse2_loadsd): Remove.
7964         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7965         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7966         (sse2_pinsrw): Fix argument ordering.
7967         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7968         (sse2_stored): Remove 'r' destination.
7969         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7970         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7971         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7972         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7973         vec_extractv16qi, vec_initv16qi): New.
7974
7975         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7976         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7977         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7978         constructor form.
7979         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7980         (_mm_load_si128, _mm_store_si128): Likewise.
7981         (_mm_load1_pd): Use _mm_set1_pd.
7982         (_mm_load_sd): Use _mm_set_sd.
7983         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7984         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7985         (_mm_set_epi64): Use _mm_set_epi64x.
7986         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7987         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7988         _mm_setr_epi8): Use _mm_set_foo form.
7989         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7990         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7991         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7992         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7993         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7994         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7995         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7996         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7997         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7998         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7999         (_mm_movedup_pd): Use _mm_shuffle_pd.
8000         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
8001         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
8002         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
8003         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
8004         Use _mm_setzero_ps.
8005         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
8006         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
8007         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
8008         (_mm_store_ps): Use raw dereference.
8009         (_mm_store1_ps): Use _mm_storeu_ps.
8010         (_mm_storer_ps): Use _mm_store_ps.
8011         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
8012         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
8013
8014 2005-01-11  Stan Shebs  <shebs@apple.com>
8015
8016         * config/rs6000/rs6000.c (machopic_output_stub): Issue
8017         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
8018
8019 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
8020
8021         PR target/18761
8022         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
8023         Skip all DECLs except for FIELD_DECLs.
8024
8025 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
8026
8027         * config/s390/s390.c (override_options): Return error if
8028         -mbackchain, -mpacked-stack and -mhard-float are used together.
8029         (s390_va_start): Remove the backchain && packed-stack special case.
8030         (s390_gimplify_va_arg): Likewise.
8031         * doc/invoke.texi: Remove the ABI incompatibility note.
8032
8033 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
8034
8035         * config/s390/s390.c (struct s390_frame_layout): Remove
8036         save_backchain_p.
8037         (s390_frame_info, s390_emit_prologue): Replace occurrences of
8038         save_backchain_p with TARGET_BACKCHAIN.
8039
8040 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8041
8042         PR target/18916
8043         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
8044         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
8045         * function.c (locate_and_pad_parm): Set new field.
8046         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
8047         Tweak where_pad test to include "none".  Always set mem align for
8048         stack_parm.
8049         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
8050         not sufficient for type.
8051         (assign_parm_setup_block): If stack_parm is zero on entry, always
8052         make a new stack local.  Block move old stack parm if necessary
8053         to new aligned stack local.
8054         (assign_parm_setup_stack): Use a block move to handle
8055         potentially misaligned entry_parm.
8056         (assign_parms_unsplit_complex): Specify required alignment when
8057         creating stack local.
8058         * calls.c (compute_argument_addresses): Override alignment of stack
8059         arg calculated from its type with the alignment given by
8060         FUNCTION_ARG_BOUNDARY.
8061         (store_one_arg): Likewise.
8062
8063 2005-01-11  Jan Beulich  <jbeulich@novell.com>
8064
8065         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
8066         Change respective itanium_class attribute to ialu.
8067         (shladdp4_internal): New.
8068         * config/ia64/predicates.md (shladd_log2_operand): New.
8069
8070 2005-01-11  Richard Henderson  <rth@redhat.com>
8071
8072         * expr.c (store_constructor): Use rtvec_alloc instead of
8073         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
8074
8075 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
8076
8077         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
8078
8079 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8080
8081         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
8082         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
8083         (TARGET_RWRELOC): Define.
8084         (ia64_rwreloc_section_type_flags): Delete.
8085         (ia64_section_type_flags): New function.
8086         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
8087         (TARGET_RWRELOC): Define.
8088
8089 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
8090
8091         PR target/18987
8092         * config/ia64/ia64.c (process_set): For alloc insn, only call
8093         process_epilogue is !frame_pointer_needed.
8094
8095 2005-01-10  Roger Sayle  <roger@eyesopen.com>
8096
8097         PR c++/19355
8098         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
8099         unary operator and can't be treated as a binary/comparison operator.
8100
8101 2005-01-10  Richard Henderson  <rth@redhat.com>
8102
8103         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
8104         (ix86_return_in_memory): Likewise.
8105         (function_arg_advance):  Likewise.  Mirror structure in function_arg
8106         for choosing register to advance.
8107
8108 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
8109
8110         * tree-vectorizer.c, tree.def: Fix comment typos.
8111
8112 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
8113
8114         * config/s390/s390.c (struct processor_costs): 4 new fields:
8115         ddbr, ddr, debr, der.
8116         (s390_rtx_costs): More precise handling of divide instructions.
8117
8118 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
8119
8120         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
8121
8122 2005-01-10  Jan Beulich  <jbeulich@novell.com>
8123
8124         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
8125         names resulting from -ffunction-sections/-fdata-sections and linkonce
8126         ones.
8127         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
8128         based on the section name. Rearrange the section name comparison logic
8129         slightly so that each section name is compared against at most once.
8130
8131 2005-01-10  Ben Elliston  <bje@au.ibm.com>
8132
8133         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
8134         targets for which -fPIC reduces limitations on the GOT size.
8135
8136 2005-01-09  Falk Hueffner  <falk@debian.org>
8137
8138         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
8139         X/C1 cmpop C2.
8140
8141 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
8142
8143         PR target/18720
8144         * collect2.c (main): Set aixrtl_flag for -brtl option.
8145         (resolve_lib_name): Search for .so file extension before .a
8146         if aixrtl_flag set.
8147
8148 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
8149
8150         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
8151         (vect_analyze_data_refs_alignment): Add dump prints.
8152
8153 2005-01-09  Ira Rosen  <irar@il.ibm.com>
8154
8155         * tree-vectorizer.c (vect_analyze_offset_expr): Use
8156         expr_invariant_in_loop_p.
8157         Initialize outputs first thing in the function.
8158         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
8159         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
8160         (vect_analyze_pointer_ref_access): Check that the initial condition of
8161         the access function is loop invariant.
8162
8163 2005-01-09  Richard Henderson  <rth@redhat.com>
8164
8165         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
8166         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
8167         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
8168         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
8169         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
8170         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
8171         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
8172         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
8173         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
8174         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8175         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8176         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
8177         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
8178         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
8179         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
8180         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
8181         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8182         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8183         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
8184         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
8185         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
8186         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
8187         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
8188         mmx_ prefix.
8189         (mmx_clrdi, pavgusb): Remove.
8190         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
8191         with leading sse_ prefix.
8192         * config/i386/sse.md: Receive them.
8193         * config/i386/mmx.md: New file.
8194         (MMXMODE12, MMXMODE24, mmxvecsize): New.
8195         (subrv2sf3): Turn into expander for normal subtraction.
8196         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
8197         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
8198         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
8199         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
8200         commutative; use ix86_binary_operator_ok.
8201         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
8202         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
8203         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
8204         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
8205         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
8206         Macroize from existing patterns; use ix86_binary_operator_ok.
8207         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
8208         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
8209         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
8210         with vec_select+vec_concat.
8211         (mmx_pshufw, mmx_pshufw_1): Likewise.
8212         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
8213         (mmx_uavgv4hi3): Model correctly.
8214         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
8215         _mm_xor_si64): Remove casts.
8216
8217 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
8218
8219         PR tree-optimization/19224
8220         * tree-scalar-evolution.c (get_instantiated_value,
8221         set_instantiated_value): New functions.
8222         (instantiate_parameters_1): Cache the results.
8223         (instantiate_parameters, resolve_mixers): Initialize and free
8224         the cache.
8225
8226 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
8227
8228         * config/i386/i386.md (addhi_4): Correct reference in comment.
8229         (addqi_4): Same.
8230
8231 2005-01-08  Richard Henderson  <rth@redhat.com>
8232
8233         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
8234         (_mm_cvtsi128_si64x): Likewise.
8235         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
8236         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
8237         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
8238         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
8239         * config/i386/i386-protos.h: Update.
8240         * config/i386/i386.c (print_operand): Add 'H'.
8241         (ix86_fixup_binary_operands): Split out from ...
8242         (ix86_expand_binary_operator): ... here.
8243         (ix86_fixup_binary_operands_no_copy): New.
8244         (ix86_expand_fp_absneg_operator): Handle vector mode results.
8245         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
8246         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
8247         (safe_vector_operand): Use CONST0_RTX.
8248         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
8249         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
8250         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
8251         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
8252         special cases.
8253         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
8254         (IX86_BUILTIN_CMPNGESS): New.
8255         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
8256         (attr type): Add sselog1.
8257         (attr unit, attr memory): Handle it.
8258         (movti, movti_internal, movti_rex64): Move near other integer moves.
8259         (movtf, movtf_internal): Move near other fp moves.
8260         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
8261         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
8262         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
8263         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
8264         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
8265         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
8266         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
8267         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
8268         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
8269         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
8270         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
8271         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
8272         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8273         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8274         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
8275         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
8276         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
8277         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
8278         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
8279         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
8280         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
8281         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
8282         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
8283         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
8284         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
8285         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
8286         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
8287         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
8288         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
8289         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
8290         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
8291         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
8292         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
8293         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
8294         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
8295         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
8296         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
8297         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
8298         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
8299         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
8300         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
8301         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
8302         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
8303         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
8304         same time.
8305         (SSEPUSH, push<SSEPUSH>): Remove.
8306         (MMXPUSH, push<MMXPUSH>): Remove.
8307         (sse_movaps, sse_movaps_1, sse_movups): Remove.
8308         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
8309         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
8310         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
8311         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
8312         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
8313         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
8314         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8315         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8316         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8317         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8318         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
8319         (ppro_sse_log_V4SF): Handle sselog1.
8320         * config/i386/predicates.md (const_0_to_1_operand): New.
8321         (const_0_to_255_mul_8_operand): New.
8322         (const_1_to_31_operand): Rename from const_int_1_31_operand.
8323         (const_2_to_3_operand, const_4_to_7_operand): New.
8324         * config/i386/sse.md: New file.
8325         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8326         (sse_movups): Rename from sse_movups_1.
8327         (sse_loadlss): Rename from sse_loadss_1.
8328         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8329         from the name.
8330         (negv4sf2): Use ix86_expand_fp_absneg_operator.
8331         (absv4sf2, negv2df, absv2df): New.
8332         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8333         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8334         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8335         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8336         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8337         (sse3_addsubv4sf3): Model correctly.
8338         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8339         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8340         (sse_movhlps): Model with vec_select+vec_concat.
8341         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8342         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8343         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8344         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8345         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8346         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8347         sse2_pshufhw_1): Likewise.
8348         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8349         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8350         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8351         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8352         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8353         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8354         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8355         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8356         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8357         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8358         sminv8hi3): Mark commutative
8359         operands.  Use ix86_binary_operator_ok.
8360         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8361         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8362         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8363         sse2_punpcklqdq): Allow operand2 in memory.
8364         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8365         sse2_movsd): Add memory alternatives.
8366         (sse_storelps): Turn expander into an insn; split after reload.
8367         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8368         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8369
8370 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8371
8372         * configure.ac (DWARF-2 debug_line): Use objdump.
8373         * configure: Regenerate.
8374
8375 2005-01-08  Jeff Law  <law@redhat.com>
8376             Diego Novillo  <dnovillo@redhat.com>
8377
8378         PR tree-optimization/18241
8379         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8380         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8381         statements with volatile operands.
8382         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8383         operands after marking a statement with has_volatile_ops.
8384
8385 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8386
8387         * tree.c (int_fits_type_p): Always honor integer constant
8388         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8389
8390 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8391
8392         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8393         the latent bug in rtl_delete_block has been resolved.
8394
8395 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8396
8397         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8398         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8399
8400 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8401
8402         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8403         library as @multilib_dir@/$(SHLIB_SONAME).
8404
8405 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8406
8407         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8408         * configure: Regenerate.
8409
8410 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8411
8412         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8413         TYPE_MODE.
8414
8415 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8416
8417         PR target/13674
8418         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8419         Convert non-word aligned offset address using ld/std into
8420         indirect address.
8421
8422 2005-01-07  Richard Henderson  <rth@redhat.com>
8423
8424         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8425
8426 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8427
8428         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8429
8430 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8431
8432         PR tree-optimization/19283
8433         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8434         is not shorter than the original type.
8435
8436         PR rtl-optimization/19012
8437         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8438
8439         PR rtl-optimization/18861
8440         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8441         (FULL_STATE): Define.
8442         (mark_tablejump_edge): New function.
8443         (purge_dead_tablejump_edges): New function.
8444         (find_bb_boundaries): Use it.
8445
8446         PR tree-optimization/18828
8447         * builtins.c (expand_builtin_next_arg): Remove argument and all
8448         the argument checking.
8449         (expand_builtin): Adjust caller.
8450         (expand_builtin_va_start): Likewise.  Remove error for too many
8451         arguments.
8452         (fold_builtin_next_arg): Issue error for too many arguments.
8453         After checking arguments, replace them with magic arguments that
8454         prevent further checking of the args.
8455
8456 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8457
8458         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8459
8460 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8461
8462         PR target/6077
8463         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8464         and %{.S:...} (and their negative variants) to test whether the
8465         input file is assembler or pre-processed-assembler independent of
8466         the actual filename extension.
8467
8468 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8469
8470         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8471         of sign or zero extended values.
8472
8473 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8474
8475         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8476         for IBM long double format correctly.
8477
8478 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8479
8480         Fix PR tree-optimization/18792
8481
8482         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8483         to first_loop_depth, and use loop depth instead of loop number.
8484         (build_classic_dir_vector): Ditto.
8485         (compute_data_dependences_for_loop): Use depth, not loop number.
8486         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8487         number. Pass in loops, instead of loop numbers.
8488         (gather_interchange_stats): Ditto.
8489         (linear_transform_loops): Ditto.
8490
8491 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8492
8493         PR rtl-opt/13299
8494         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8495         biv_fits_mode_p, extension_within_bounds_p): New functions.
8496         (check_ext_dependent_givs): Use them.
8497
8498 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8499
8500         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8501         more than one barrier, in which case we should delete them all.
8502
8503 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8504
8505         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8506
8507 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8508
8509         Fix PR middle-end/19286
8510         Fix PR debug/19267
8511         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8512         output this subprogram, simply ignore this attempt to do it again.
8513         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8514         origin attribute if it's not possible.
8515         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8516         (decls_for_scope): Ditto.
8517         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8518         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8519
8520 2005-01-05  Richard Henderson  <rth@redhat.com>
8521
8522         PR target/11327
8523         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8524         (bdesc_2arg): Use it.
8525         (ix86_expand_binop_builtin): Force operands into registers
8526         when optimizing.
8527         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8528         ix86_expand_sse_compare, ix86_expand_sse_comi,
8529         ix86_expand_builtin): Likewise.
8530
8531 2005-01-05  Richard Henderson  <rth@redhat.com>
8532
8533         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8534         and VEC_SELECT.
8535         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8536         (mulv4hi3): Set itanium_class mmmul.
8537         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8538         (fpack): Rename from fpack_sfsf.
8539
8540 2005-01-05  Richard Henderson  <rth@redhat.com>
8541
8542         PR rtl-opt/10692
8543         * reload1.c (do_input_reload): Restrict the optimization deleteing
8544         a previous output reload to RELOAD_FOR_INPUT.
8545
8546 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8547
8548         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8549         comment that we fall through after case.
8550         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8551         (distribute_links): Likewise.
8552         * cse.c (cse_insn): Likewise.
8553         * cselib.c (cselib_invalidate_mem): Likewise.
8554         * df.c: Update comments at the top of the file.
8555         (read_modify_subreg_p): Update comments here too.
8556         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8557         * flow.c (mark_set_1): Likewise.
8558         (mark_used_regs): Likewise.
8559         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8560         (canon_list_insert): Likewise.
8561         (mark_set): Likewise.
8562         (try_replace_reg): Likewise.
8563         (store_killed_in_insn): Likewise.
8564         * loop.c (count_one_set): Likewise.
8565         (basic_induction_var): Likewise.
8566         * postreload-gcse.c (find_mem_conflicts): Likewise.
8567         * postreload.c (reload_combine_note_store): Likewise.
8568         (move2add_note_store): Likewise.
8569         * reload.c (find_equiv_reg): Likewise.
8570         (mark_referenced_resources): Likewise.
8571         * rtlanal.c (set_noop_p): Likewise.
8572         (note_stores): Likewise.
8573         (note_uses): Likewise.
8574         * sched-deps.c (sched_analyze_1): Likewise.
8575         * sched-rgn.c (check_live_1): Likewise.
8576         (update_live_1): Likewise.
8577         * config/i860/i860.c: Likewise.
8578
8579         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8580         an lvalue.
8581         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8582
8583         * doc/rtl.texi: Update documentation for bit-fields and SET.
8584
8585 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8586
8587         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8588
8589 2005-01-05  Jan Hubicka  <jh@suse.cz>
8590             Richard Henderson  <rth@redhat.com>
8591
8592         PR target/18910
8593         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8594         with an offset.
8595
8596 2005-01-05  Richard Henderson  <rth@redhat.com>
8597
8598         PR target/12902
8599         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8600         (sse_shufps): Change operand 3 to const_int_operand.
8601         (sse2_storelps): Fix typo in template.
8602         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8603         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8604         (ix86_expand_builtin): Likewise.
8605
8606 2005-01-05  Julian Brown  <julian@codesourcery.com>
8607
8608         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8609         as aggregates for AAPCS ABIs.
8610
8611 2005-01-05  Stan Shebs  <shebs@apple.com>
8612
8613         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8614         Mach-O getters if ppc64.
8615         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8616         size argument.
8617         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8618         signed four-byte field for global code case.
8619         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8620
8621 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8622
8623         PR middle-end/19100
8624         * c-common.c: Include real.h.
8625         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8626         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8627         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8628         * Makefile.in (c-common.o): Update dependencies.
8629
8630 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8631
8632         * c-parse.in (asm_string): Add trailing semicolon.
8633
8634 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8635
8636         * c-parse.in (asm_string): New.  Don't allow wide strings in
8637         'asm'.
8638         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8639         asm_string instead of STRING.
8640
8641 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8642
8643         * c-typeck.c (constructor_no_implicit): Remove.
8644         (set_designator, process_init_element): Don't check
8645         constructor_no_implicit.
8646
8647 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8648             Kaz Kojima  <kkojima@gcc.gnu.org>
8649
8650         PR target/16482
8651         * lcm.c (create_pre_exit): New.
8652         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8653         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8654
8655 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8656
8657         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8658         -msoft-float in target_float_switch.
8659         * arm.c (arm_override_options): Fix processing of target_float_switch.
8660
8661 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8662
8663         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8664         preferencing.
8665
8666 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8667
8668         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8669         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8670
8671 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8672
8673         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8674         if deleting the then-block allows the test-block to fallthru to the
8675         else-block.
8676
8677 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8678
8679         PR c/19152
8680         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8681         after the full declaration if the are in two different TUs.
8682
8683 2005-01-04  Richard Henderson  <rth@redhat.com>
8684
8685         PR tree-opt/19158
8686         * tree-sra.c (generate_one_element_init): Just
8687         call gimplify_and_add.
8688         (generate_element_init): Record the
8689         new referenced variables and mark them for renaming
8690         and split out to ...
8691         (generate_element_init_1): This.
8692         (scalarize_init): Don't call push_gimplify_context/
8693         pop_gimplify_context.
8694
8695 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8696
8697         * toplev.c (get_src_pwd): Handle failure of getpwd().
8698
8699 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8700
8701         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8702         of TRUTH_NOT_EXPR.
8703         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8704         all the cases handled by it are inverted by invert_truthvalue.
8705
8706 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8707
8708         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8709         (save_register_windowsi): Likewise.
8710
8711 2005-01-04  Richard Henderson  <rth@redhat.com>
8712
8713         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8714
8715 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8716
8717         PR middle-end/17767
8718         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8719         any simplifications of vector mode comparison operators.
8720         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8721
8722 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8723             Devang Patel  <dpatel@apple.com>
8724
8725         PR tree-optimization/18308
8726         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8727         the operands before creating a new expression.
8728         * dojump.c (do_jump): Make drop_through_label available
8729         for all cases.  Add expansion of COND_EXPR.
8730
8731 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8732
8733         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8734         INTEGER_CST instead of TREE_CONSTANT.
8735         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8736         instead of TREE_CONSTANT.
8737         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8738         instead of TREE_CONSTANT.
8739
8740 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8741
8742         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8743
8744 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8745
8746         PR target/19240
8747         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8748         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8749
8750 2005-01-03  Richard Henderson  <rth@redhat.com>
8751
8752         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8753         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8754         fold_convert_const_real_from_real): Split out from ...
8755         (fold_convert_const): ... here.
8756
8757 2005-01-03  Richard Henderson  <rth@redhat.com>
8758
8759         PR target/19235
8760         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8761         (mov<MMXMODEI>_internal): Likewise.
8762         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8763         Add V2SF case; use it for SSE1; don't use TI.
8764         (movdf_integer): Likewise.
8765         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8766
8767 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8768
8769         * tree-vectorizer.c (vect_strip_conversions): New function.
8770         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8771         check for binary class.
8772
8773 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8774
8775         Fix PR debug/17924
8776         Fix PR debug/19191
8777         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8778         is a decl.
8779         * gimple-low.c (mark_blocks_with_used_vars): New function.
8780         (mark_blocks_with_used_subblocks): Ditto.
8781         (mark_used_blocks): Ditto.
8782         (pass_mark_used_blocks): New pass.
8783         * tree-inline.c: Include debug.h.
8784         (expand_call_inline): Call outlining_inline_function here.
8785         * tree-optimize.c (init_tree_optimization_passes): Add
8786         pass_mark_used_blocks.
8787         * tree-pass.h (pass_mark_used_blocks): New.
8788         * Makefile.in (tree-inline.o): Add debug.h dependency.
8789
8790 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8791
8792         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8793         VAR_DECLs to have weak_import attribute.
8794
8795         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8796         'struct ucontext'.
8797
8798 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8799
8800         * passes.c (rest_of_compilation): Don't run regmove if only
8801         flag_expensive_optimizations, require flag_regmove instead.
8802
8803 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8804
8805         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8806         register "sparc".
8807         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8808         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8809         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8810         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8811
8812 2005-01-03  Richard Henderson  <rth@redhat.com>
8813
8814         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8815         (ia64_const_ok_for_letter_p): New.
8816         (ia64_const_double_ok_for_letter_p): New.
8817         (ia64_extra_constraint): New.
8818         (ia64_expand_vecint_compare): New.
8819         (ia64_expand_vcondu_v2si): New.
8820         (ia64_expand_vecint_cmov): New.
8821         (ia64_expand_vecint_minmax): New.
8822         (ia64_print_operand): Add 'v'.
8823         (ia64_preferred_reload_class): New.
8824         (ia64_vector_mode_supported_p): New.
8825         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8826         (PREFERRED_RELOAD_CLASS): Move to function.
8827         (CONST_OK_FOR_LETTER_P): Move to function.
8828         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8829         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8830         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8831         (EXTRA_CONSTRAINT): Move to function.
8832         * config/ia64/ia64.md: Include vect.md.
8833         (itanium_class): Add mmalua.
8834         (type): Handle it.
8835         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8836         (1b_mmalua): New.
8837         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8838         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8839         CONST0_RTX.
8840         (const_int_2bit_operand): New.
8841         (fr_reg_or_0_operand): New.
8842         * config/ia64/ia64-modes.def: Add vector modes.
8843         * config/ia64/ia64-protos.h: Update.
8844         * config/ia64/vect.md: New file.
8845
8846 2005-01-03  Richard Henderson  <rth@redhat.com>
8847
8848         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8849
8850 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8851
8852         PR target/19236
8853         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8854         to SFmode.
8855         (log1pdf2): Change mode of operands[0,1] to DFmode.
8856
8857 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8858
8859         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8860         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8861         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8862         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8863         SPARC_RELAXED_ORDERING.
8864
8865 2005-01-03  Richard Henderson  <rth@redhat.com>
8866             Uros Bizjak  <uros@kss-loka.si>
8867
8868         PR target/14631
8869         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8870         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8871         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8872         handling.
8873         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8874         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8875         const_pow2_1_to_128_operand): New predicates.
8876
8877 2005-01-02  Greg McGary  <greg@mcgary.org>
8878
8879         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8880         anonymous decls.
8881         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8882         object.  [ptr_type]: Remove unused variable.
8883         Remember nearest addressable array-element or record-component
8884         when checking bitfield components.  Tolerate empty BIND_EXPR.
8885
8886 2005-01-01  Richard Henderson  <rth@redhat.com>
8887
8888         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8889         that don't narrow the value.  Fail for other conversions.
8890
8891 2005-01-01  Richard Henderson  <rth@redhat.com>
8892
8893         PR c/19031
8894         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8895         * c-lang.c (finish_file): Don't do it here.
8896         * objc/objc-act.c (objc_finish_file): Likewise.
8897
8898         * cgraph.c (decl_assembler_name_equal): New.
8899         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8900         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8901         * cgraph.h (struct cgraph_varpool_node): Add next.
8902         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8903         * varasm.c (assemble_alias): Mark the target as needed.
8904
8905 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8906
8907         PR middle-end/19221
8908         * function.c (get_arg_pointer_save_area): Use entry_of_function
8909         instead of get_insns.
8910
8911 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8912             Andrew Pinski  <pinskia@physics.uc.edu>
8913             James E. Wilson  <wilson@specifixinc.com>
8914
8915         PR rtl-optimization/12092
8916         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8917         is zero.
8918
8919 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8920             Olivier Hainque  <hainque@act-europe.fr>
8921
8922         * tree.c (int_fits_type_p): A narrower type always fits in a
8923         wider one, except for negative values into unsigned types.
8924
8925 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8926
8927         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8928         with the original constant rather than require TREE_OVERFLOW.
8929
8930 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8931
8932         PR middle-end/17544
8933         * c-decl.c (finish_function): If compiling C99, annotate the
8934         compiler generated return with the current file name and line 0.
8935         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8936         the source line is greater than 0.
8937         (remove_bb): Likewise.
8938
8939 See ChangeLog.12 for earlier changes.