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2005-02-28 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
2
3         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
4         * gcc/configure: Regenerate.
5
6 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7
8         * doc/install.texi: Update binutils requirement for powerpc*-linux.
9
10         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
11
12         * calls.c (struct arg_data): Update "partial" comment.
13         (load_register_parameters): Update "nregs" comment.
14
15 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
16
17         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
18         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
19         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
20         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
21         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
22         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
23         than target_flags & 0.
24         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
25         (iq2000_arch, iq2000_parse_cpu): Delete.
26         (TARGET_HANDLE_OPTION): Override default.
27         (iq2000_handle_option): New function.
28         (override_options): Remove -march= and -mcpu= handling.
29         * config/iq2000/iq2000.opt: New file.
30
31 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
32
33         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
34         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
35         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
36         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
37         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
38         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
39         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
40         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
41         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
42         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
43         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
44         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
45         (c4x_rpts_cycles_string, c4x_cpu_version_string)
46         (TARGET_OPTIONS): Delete.
47         (c4x_rpts_cycles, c4x_cpu_version): Declare.
48         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
49         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
50         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
51         (c4x_cpu_version_string): Delete.
52         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
53         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
54         equivalent -mcpu= option.
55         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
56         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
57         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
58         or clearing the appropriate MASK_* bit.
59         (c4x_file_start): Use c4x_cpu_version.
60         * config/c4x/c4x.opt: New file.
61
62 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
63
64         * doc/options.texi: Document the new MaskExists flag.
65         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
66         if the option has the MaskExists flag.
67
68 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
69
70         * opt-functions.awk (flag_set_p, test_flag): New functions.
71         (switch_flags): Use them.
72         * opth-gen.awk: Use flag_set_p to check for flags.
73         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
74
75 2005-03-30  Ian Lance Taylor  <ian@airs.com>
76
77         * config.host (i[34567]86-*-mingw32*): Don't set
78         host_can_use_collect2 to no.
79
80 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
81
82         PR target/20203
83         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
84         Remove convert_memory_address call duplicating that in memory_address.
85
86 2005-03-29  Richard Henderson  <rth@redhat.com>
87
88         PR c/20519
89         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
90         (build_compound_literal): Likewise.  Propagate decl type into the
91         initializer.
92         (finish_decl): Likewise.  Use new return value from complete_array_type
93         for zero sized arrays.
94         (complete_array_type): Move ...
95         * c-common.c (complete_array_type): ... here.  Change first argument
96         to pointer-to-type-node.  Consistently use sizetype for the index
97         except for zero sized arrays.  Detect zero sized arrays for pedantic
98         mode diagnostics.  Create a new type node instead of modifying the
99         old node in place.
100         * c-tree.h (complete_array_type): Move decl ...
101         * c-common.h (complete_array_type): ... here.
102
103 2005-03-29  Richard Henderson  <rth@redhat.com>
104
105         PR tree-opt/19108
106         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
107
108 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
109
110         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
111         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
112         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
113         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
114
115 2005-03-29  Eric Christopher  <echristo@redhat.com>
116
117         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
118         truthvalue conversion removal.
119
120 2005-03-29  Ian Lance Taylor  <ian@airs.com>
121
122         PR bootstrap/14316
123         * collect2.c: Never include <vfork.h>.
124         (VFORK_STRING, vfork): Don't define.
125         (pid): Remove global variable.
126         (handler): Call raise instead of kill (getpid(), ...).
127         (collect_wait): Add pex parameter.  Change all callers.  Use
128         pex_get_status rather than pwait.
129         (do_wait): Add pex parameter.  Change all callers.
130         (collect_execute): Return struct pex_obj * rather than void.  Use
131         pex routines rather than pexecute.
132         (fork_execute): Get pex_obj from collect_execute, and pass it to
133         do_wait.
134         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
135         Only declare quit_handler if SIGQUIT is defined.
136         (scan_libraries): Likewise.
137         * collect2.h (collect_execute): Update declaration.
138         (collect_wait): Update declaration.
139         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
140         pass it to collect_wait.
141
142 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
143
144         PR c/20672
145         * c-parser.c (c_parser_compound_statement_nostart): Give error
146         message for EOF instead of just setting parser->error.
147
148 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
149
150         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
151         (slpeel_update_phi_nodes_for_guard1): New function.
152         (slpeel_update_phi_nodes_for_guard2): New function.
153         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
154         of slpeel_update_phi_nodes_for_guard.
155         (vectorize_loops): Remove call to loop_closed_rewrite.
156         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
157         assertion.
158
159 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
160
161         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
162         (TARGET_LITTLE_ENDIAN): New macro.
163         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
164         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
165         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
166         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
167         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
168         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
169         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
170         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
171         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
172         (TARGET_OPTIONS): Delete.
173         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
174         (CACHE_FLUSH_TRAP): Turn into an integer.
175         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
176         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
177         -mflush-trap is in use.
178         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
179         (m32r_cache_flush_trap_string): Delete.
180         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
181         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
182         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
183         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
184         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
185         -mmodel= and -msdata= handling from...
186         (m32r_init): ...here.
187         * config/m32r/m32r.opt: New file.
188
189 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
190
191         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
192         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
193         * tree-vect-analyze.c (vect_object_analysis): additional parm
194         pass back a "struct ptr_info_def *" with the points-to info.
195         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
196         statement using info returned from vect_object_analysis.
197         * tree-vect-transform.c (update_vuses_to_preheader): New function.
198         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
199         for virtual uses and defs when creating a replacement vector
200         reference.  Call duplicate_ssa_name_ptr_info to define points-to
201         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
202         (vectorizable_store): copy_virtual_operands and update
203         definition statements.
204         (vectorizable_load): copy_virtual_operands.  Remove call to
205         mark_call_clobbered_vars_to_rename for call to "const" builtin.
206         * tree-vectorizer.c (vectorize_loops): Remove calls to
207         rewrite_into_ssa and bitmap_clear (vars_to_rename).
208         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
209         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
210         define macro STMT_VINFO_PTR_INFO for use in accessing.
211         * tree.h add export of duplicate_ssa_name_ptr_info.
212         * rs6000.c (altivec_init_builtins): Declare builtin function
213         __builtin_altivec_mask_for_load to be "const".
214
215 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
216
217         PR middle-end/20622
218         * cgraph.h (struct cgraph_varpool_node): Add alias field.
219         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
220         assemble_variable on aliases.
221         * varasm.c (assemble_alias): Set node->alias.
222         * toplev.c (wrapup_global_declarations): Don't call
223         rest_of_decl_compilation on aliases again.
224
225 2005-03-29  Paul Brook  <paul@codesourcery.com>
226
227         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
228         * config/arm/arm.c (arm_dbx_register_number): New function.
229         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
230
231 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
232
233         PR middle-end/20263
234         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
235         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
236
237 2005-03-29  Dale Johannesen <dalej@apple.com>
238
239         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
240         $(TREE_H) and $(COVERAGE_H).
241         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
242         * opts.c (common_handle_option): Enable tree-based value transforms.
243         * toplev.c (process_options): Ditto.
244         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
245         refers to references to this type.
246         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
247         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
248         for may_be_more, may_be_less.
249         (rtl_gen_pow2_profiler): Adjust.
250         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
251         (rtl_gen_one_value_profiler): Adjust.
252         (rtl_gen_const_delta_profiler): Adjust.
253         * tree-profile.c (tree_gen_interval_profiler): Implement.
254         (tree_gen_pow2_profiler): Ditto.
255         (tree_gen_one_value_profiler): Ditto.
256         (tree_profiling): New.
257         (pass_tree_profile): Reference it.
258         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
259         tree.h, gcov-io.h.
260         (insn_divmod_values_to_profile): Rename to 
261         rtl_divmod_values_to_profile. Adjust.
262         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
263         (insn_prefetch_values_to_profile): Adjust.
264         (rtl_value_profile_transformations): Adjust.
265         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
266         (gen_mod_pow2): Rename to rtl_mod_pow2.
267         (gen_mod_subtract): Rename to rtl_mod_subtract.
268         (divmod_fixed_value_transform): Rename to 
269         rtl_divmod_fixed_value_transform.
270         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
271         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
272         (rtl_find_values_to_profile): Adjust.
273         (tree_value_profile_transformations): Implement.
274         (tree_divmod_values_to_profile): New.
275         (tree_values_to_profile): New.
276         (tree_divmod_fixed_value): New.
277         (tree_mod_pow2): New.
278         (tree_mod_subtract): New.
279         (tree_divmod_fixed_value_transform): New.
280         (tree_mod_pow2_value_transform): New.
281         (tree_mod_subtract_transform): New.
282         (tree_find_values_to_profile): Implement.
283         * profile.c (instrument_values):  Free histograms.
284         (compute_value_histograms): Adjust. Implement tree version.
285
286 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
287
288         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
289         * config/i386/i386.c (output_fix_trunc): Add new round_mode
290         variable.  Output "fldcw" depending on round_mode.
291         * config/i386/i386.md (UNSPEC_FIST): New.
292         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
293         New isns patterns to implement lrint and llrint built-ins as x87
294         intrinsic function.
295         (fistdi2, fist<mode>2 splitters): New splitters.
296         (lrint<mode>2): New expanders.
297
298 2005-03-28  Ian Lance Taylor  <ian@airs.com>
299
300         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
301         0 when calling final_scan_insn.
302
303 2005-03-28  Jan Hubicka  <jh@suse.cz>
304
305         PR middle-end/20635
306         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
307         as needed.
308
309         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
310         types where possible.
311
312 2005-03-26  Per Bothner  <per@bothner.com>
313
314         Make -f[no-]show-column also control non-cpp diagnostics.
315         * c.opt (fshow-column): Move option from here ...
316         * common.opt (fshow-column): ... to here.
317         * diagnostic.c (diagnostic_build_prefix): Only print column number
318         if flag_show_column.
319
320 2005-03-27  Steven Bosscher  <stevenb@suse.de>
321
322         * vax-protos.h (vax_output_int_move, vax_output_int_add,
323         vax_output_conditional_branch): New prototypes.
324         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
325         extracted from vax.md mov and add patterns.
326         (vax_output_conditional_branch): New function to output conditional
327         branch instructions.
328         * vax.md: Use mode macros for arithmetic and mov patterns.
329         Use code macros for the jump patterns.
330
331 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
332
333         * Makefile.in (libbackend.o): Depend on version files;
334         add custom generation command.
335
336 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
337
338         PR target/20636
339         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
340         sure that we have a REG before getting its REGNO.
341
342 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
343
344         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
345         * builtins.def (BUILT_IN_STRNDUP): New.
346
347 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
348
349         PR tree-optimization/20470
350         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
351         ABS(x-y).
352
353 2005-03-25  Mike Stump  <mrs@apple.com>
354
355         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
356         sized objects.
357
358 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
359
360         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
361         Use our own structure definitions.
362
363         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
364         (fix_truncdfsi2): Allow registers or memory as destination.
365         When TARGET_PPC_GFXOPT, generate simplified pattern.
366         (fix_truncdfsi2_internal): Use define_insn_and_split.
367         (fix_truncdfsi2_internal_gfxopt): New.
368         (fctiwz): Don't confuse register allocation by giving it no choices.
369         (stfiwx): New.
370         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
371         (EXTRA_MEMORY_CONSTRAINT): Likewise.
372         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New. 
373         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
374
375 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
376
377         * dominance.c (free_dominance_info): Speed up by freeing et
378         data structures without maintaining other nodes.
379         * et-forest.c (et_free_tree_force): New.
380         * et-forest.h: Add a prototype for et_free_tree_force.
381
382         * tree.c (get_set_constructor_bits,
383         get_set_constructor_bytes): Remove.
384         * tree.h: Remove the corresponding prototypes.
385
386 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
387
388         PR target/15491
389         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
390         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
391         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
392         PRE_DEC, NEG and NOT.
393
394 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
395
396         * fold-const.c: Convert uses of fold (build (...)) to
397         fold_buildN.
398
399 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
400
401         PR rtl-optimization/20249
402         * cse.c (insert_regs): Do not record equivalence of registers in
403         different modes.
404
405 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
406
407         * emit-rtl.c (reverse_comparison): Remove.
408         * rtl.h: Remove the corresponding prototype.
409
410 2005-03-24  James E Wilson  <wilson@specifixinc.com>
411
412         * doc/install.texi (--enable-altivec): Delete docs.
413
414 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
415
416         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
417         SFmode and DFmode before reload when
418         flag_unsafe_math_optimizations not enabled.
419
420 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
421
422         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
423
424         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
425         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
426
427 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
428
429         * configure.ac (enable-checking): Add 'runtime' option.
430         * doc/install.texi (enable-checking): Document 'runtime' checking.
431         * tsystem.h (gcc_assert, gcc_unreachable): Define.
432         * config.in: Regenerated.
433         * configure: Regenerated.
434
435 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
436
437         * optabs.h (enum optab_index): Remove OTI_llrint.
438         (llrint_optab): Remove macro.
439         * optabs.c (init_optabs): Remove llrint_optab initialization.
440         * genopinit.c (optabs): Remove llrint_optab implementation.
441         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
442         using lrint_optab.
443
444 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
445
446         PR rtl-optimization/20532
447         * simplify-rtx.c (simplify_binary_operation_1): Protect from
448         overflow when adding coefficients for PLUS or MINUS.
449         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
450         two as multiplier.
451
452 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
453
454         * langhooks.h (truthvalue_conversion): Remove.
455         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
456         LANG_HOOKS_TRUTHVALUE_CONVERSION.
457         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
458         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
459         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
460
461 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
462
463         * params.def: Fix a typo.
464         * config/mips/mips.c: Follow the spelling convensions.
465         * doc/invoke.texi: Fix typos.
466
467 2005-03-18  Dale Johannese  <dalej@apple.com>
468
469         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
470
471 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
472
473         Fix PR tree-optimization/20601
474
475         * tree-ssa-pre.c (insert_aux): Add missing condition to
476         constification.
477
478 2005-03-23  Ian Lance Taylor  <ian@airs.com>
479
480         * final.c (final_scan_insn): Don't remove no-op instructions.
481         * reload1.c (reload): Remove simple no-op instructions even when
482         not optimizing.
483
484 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
485  
486         PR tree-optimization/20501
487         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
488         reporting that peeling for alignment is applied moved to...
489         * (vect_analyze_data_refs_alignment): Here.
490
491 2005-03-23  Ian Lance Taylor  <ian@airs.com>
492
493         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
494
495 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
496
497         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
498         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
499
500 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
501
502         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
503         imply that this is called once, independent of asms in code.
504         Adjust to now being pased output and input lists.  Mention helper
505         function decl_overlaps_hard_reg_set_p.
506         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
507         hook_tree_tree_identity and to take three trees, returning third.
508         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
509         prototype.
510         * stmt.c: include hard-reg-set.h before tree.h.
511         (decl_overlaps_hard_reg_set_p): New function, broken out from...
512         (decl_conflicts_with_clobbers_p): Call
513         decl_overlaps_hard_reg_set_p.
514         (expand_asm_operands): Pass output and input lists in call to
515         targetm.md_asm_clobbers.
516         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
517         hook_tree_tree_tree_tree_3rd_identity.
518         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
519         parameters.
520         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
521         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
522         parameters, first two unused.
523         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
524         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
525         in constraint letters and MOF is not mentioned as a asm-declared
526         register in neither of the input and output lists.
527
528 2005-03-23  DJ Delorie  <dj@redhat.com>
529
530         * optabs.c (expand_binop): Make sure the first subword's result
531         gets stored.
532
533 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
534
535         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
536         Call c_common_truthvalue_conversion rather than
537         lang_hooks.truthvalue_conversion.
538         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
539         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
540         c-typeck.c.
541         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
542         c_common_truthvalue_conversion.
543         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
544         c_parser_conditional_expression, c_parser_binary_expression): Call
545         c_objc_common_truthvalue_conversion.
546         * c-typeck.c (build_unary_op): Call
547         c_objc_common_truthvalue_conversion.
548         (build_conditional_expr): Do not call
549         lang_hooks.truthvalue_conversion.
550         (build_binary_op): Call c_common_truthvalue_conversion.
551         (c_objc_common_truthvalue_conversion): Moved from
552         c-objc-common.c.  Call default_function_array_conversion instead
553         of default_conversion.
554
555 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
556
557         * c-common.h (default_conversion): Remove.
558         (perform_integral_promotions): Add.
559         * c-tree.h (default_conversion): Add.
560         * c-typeck.c (perform_integral_promotions): New, split out from
561         default_conversion.
562         * c-common.c (check_case_value): Use perform_integral_promotions,
563         not default_conversion.
564         (c_add_case_label): Don't continue processing case label after
565         found to be pointer.
566
567 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
568
569         * gcc.c (do_spec_1): Do not add a -L path for a directory in
570         the prefix list if we have already added a multilib directory
571         based on that path.
572         (main): Do not add MD_EXEC_PREFIX to the list of directories to
573         search with -L.
574
575 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
576
577         * reload1.c (indirect_symref_ok, reload_obstack): Make them
578         static.
579         * reload.h: Remove the prototype for indirect_symref_ok.
580
581         * reload1.c (indirect_symref_ok): Make it global.
582         * reload.h: Add a prototype for indirect_symref_ok.
583
584 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
585
586         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
587         ashlhi3 expander.
588
589 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
590
591         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
592
593 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
594
595         * c-opts.c (c_common_parse_file): Only start/end main source file
596         if debug hooks says the writer wants it.
597         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
598         member.
599         (xcoff_debug_hooks): Ditto.
600         * debug.c (do_nothing_hooks): Ditto.
601         * debug.h (gcc_debug_hooks): Ditto.
602         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
603         * sdbout.c (sdb_debug_hooks): Ditto.
604         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
605         
606 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
607
608         * doc/extend.texi: Deprecate C++ min/max operators.
609
610 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
611
612         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
613         artificial original candidates.
614
615 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
616             Jan Hubicka  <jh@suse.cz>
617             Steven Bosscher <stevenb@suse.de>
618
619         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
620         call cost based on argument sizes.
621         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
622         inlining.
623         * params.def: (max-inline-inssn-single): Set to 450.
624         (max-inline-insns-auto): Set to 90.
625         (max-inline-insns-recursive): Set to 450
626         (max-inline-insns-recursive-auto): Set to 450.
627         (large-function-insns): Set to 2700.
628         (inline-call-cost): New parameter.
629         * tree-inline.c (estimate_move_cost): New function.
630         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
631         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
632         based on arguments.
633         * tree-inline.h (estimate_move_cost): Declare.
634         * invoke.texi: (max-inline-inssn-single): Change default to 450.
635         (max-inline-insns-auto): Change default to 90.
636         (max-inline-insns-recursive): Change default to 450
637         (max-inline-insns-recursive-auto): Change default to 450.
638         (large-function-insns): Change default to 2700.
639         (inline-call-cost): Document new parameter.
640
641 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
642
643         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
644         (TARGET_DEFAULT): Delete.
645         * config/i860/i860.opt: New file.
646
647 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
648
649         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
650         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
651         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
652         (frv_sched_lookahead): Delete.
653         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
654         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
655         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
656         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
657         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
658         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
659         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
660         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
661         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
662         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
663         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
664         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
665         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
666         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
667         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
668         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
669         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
670         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
671         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
672         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
673         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
674         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
675         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
676         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
677         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
678         (frv_sched_lookahead): Delete.
679         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
680         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
681         (frv_handle_option): New function.  Move -mcpu= handling from...
682         (frv_override_options): ...here.  Remove handling of other
683         TARGET_OPTIONS.
684         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
685         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
686         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
687         and TARGET_NO_MULTI_CE.
688         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
689         !TARGET_VLIW_BRANCH.
690         * config/frv/frv.opt: New file.
691
692 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
693
694         * fold-const.c (fold_ternary): Take decomposed arguments of
695         CALL_EXPR.
696         (fold): Update a call to fold_ternary.
697
698         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
699         * tree.h: Add corresponding prototypes.
700
701 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
702
703         PR target/20561
704         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
705         between jump table and its label.
706         * final.c (shorten_branches): Handle notes in between ADDR_VEC
707         resp. ADDR_DIFF_VEC and the label preceeding it.
708         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
709         is emitted in the right section.
710
711 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
712
713         * fold-const.c (fold_unary, fold_binary): Update comments
714         about arguments.
715
716 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
717
718         PR rtl-optimization/20527
719         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
720         REG_INC note, test that the register also isn't mentioned in PRED
721         or SUCC.
722
723 2005-03-22  Ben Elliston  <bje@au.ibm.com>
724
725         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
726         and definition.
727
728 2005-03-21  Mike Stump  <mrs@apple.com>
729
730         * varasm.c (default_assemble_visibility): Remove extra ().
731
732 2005-03-21  Roger Sayle  <roger@eyesopen.com>
733
734         PR middle-end/20557
735         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
736         to determine whether a block can be duplicated, rather than test
737         whether the block contains noncopyable insns ourselves.
738
739 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
740
741         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
742         predicates.
743
744 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
745
746         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
747
748 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
749
750         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
751         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
752         * config/fr30/fr30.opt: New file.
753
754 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
755         
756         Fix PR tree-optimization/20542
757
758         * tree-flow-inline.h (overlap_subvar): Move to here.
759         * tree-ssa-operands.c: From here.
760         * tree-flow.h (overlap_subvar): Declare.
761         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
762         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
763         for variables with subvars.
764         
765 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
766
767         PR middle-end/20177
768         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
769         * modulo-sched.c (const_iteration_count): Return on NULL
770         pre-header.
771         (print_node_sched_params): Return on NULL dump_file.
772         (generate_reg_moves): Handle reg-anti dependencies and disregard
773         closing branch when generating register moves.
774         (sms_schedule): Mark the SMSed block dirty.
775         * passes.c (rest_of_handle_sms): Call update_life_info for all
776         basic-blocks.
777         * testsuite/gcc.dg/20050321-1.c: New test.
778
779 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
780
781         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
782         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
783         movqi_internal): Likewise.
784
785 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
786
787         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
788         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
789         xtensa_b4const): Delete prototypes.
790         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
791         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
792         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
793         xtensa_extra_constraint): New prototypes.
794         (add_operand, arith_operand, nonimmed_operand, mem_operand,
795         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
796         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
797         move_operand, const_float_1_operand, fpmem_offset_operand,
798         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
799         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
800         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
801         argument type to HOST_WIDE_INT.
802         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
803         xtensa_mask_immediate): Likewise.
804         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
805         Likewise.  Also make these functions static.
806         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
807         (xtensa_const_ok_for_letter_p): New.
808         (add_operand, arith_operand, nonimmed_operand, mem_operand,
809         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
810         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
811         move_operand, const_float_1_operand, fpmem_offset_operand,
812         branch_operator, ubranch_operator, boolean_operator): Move to
813         predicates.md.
814         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
815         (xtensa_mem_offset): Change return type to bool.
816         (xtensa_extra_constraint): New.
817         (gen_int_relational): Update type of const_range_p function pointer.
818         Use xtensa_b4const_or_zero.
819         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
820         xtensa_const_ok_for_letter_p.  Update comments.
821         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
822         (PREDICATE_CODES): Delete.
823         * config/xtensa/xtensa.md: Include predicates.md.
824         * config/xtensa/predicates.md: New file.
825
826 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
827
828         * config/v850/v850-protos.h: Remove the prototypes for
829         reg_or_int9_operand, reg_or_const_operand,
830         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
831         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
832         movsi_source_operand, power_of_two_operand,
833         not_power_of_two_operand, special_symbolref_operand,
834         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
835         register_is_ok_for_epilogue.
836         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
837         reg_or_int9_operand, reg_or_const_operand,
838         call_address_operand, special_symbolref_operand,
839         movsi_source_operand, power_of_two_operand,
840         not_power_of_two_operand, register_is_ok_for_epilogue,
841         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
842         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
843         predicates.md.
844         * config/v850/v850.h (PREDICATE_CODES): Remove.
845         * config/v850/v850.md: Include predicates.md.
846         * config/v850/predicates.md: New.
847
848 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
849
850         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
851         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
852         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
853         (itoolsdir, itoolsdatadir): Move definition above new first use.
854         (install-itoolsdirs): New rule.
855         (install-mkheaders): Depend on install-itoolsdirs, not
856         install-include-dir.
857
858 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
859
860         * tree-into-ssa.c: Remove obsolete comments.
861
862 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
863
864         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
865         unrolling if -fpeel-loops is specified, too.
866         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
867         Remove superfluous check for flag_unroll_loops.
868
869 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
870
871         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
872         (lrint_optab, llrint_optab): Define corresponding macros.
873         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
874         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
875         pattern and llrint_optab using llrintdi2 patterns.
876         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
877         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
878         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
879         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
880         flag_unsafe_math_optimizations is set.
881
882 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
883
884         * combine.c (combine_simplify_rtx, simplify_if_then_else,
885         simplify_logical, if_then_else_cond, known_cond,
886         simplify_comparison): Adjust calls to reverse_comparison.
887         Don't use combine_reversed_comparison_code).
888         (combine_reversed_comparison_code): Remove.
889         (reversed_comparison): Using reversed_comparison_code, move it...
890         * jump.c (reversed_comparison): ... here.
891         * rtl.h (reversed_comparison): Add prototype.
892
893 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
894
895         * builtins.c (fold_builtin): Take decomposed arguments of
896         CALL_EXPR.
897         * fold-const.c (fold_ternary): Update a call to fold_builtin.
898         * gimplify.c (gimplify_call_expr): Likewise.
899         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
900         * tree.h: Update the prototype of fold_builtin.
901
902 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
903
904         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
905         * rtlhooks.c (gen_lowpart_no_emit_general): New.
906         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
907         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
908         * simplify-rtx.c (simplify_binary_operation_1): Use it.
909
910 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
911
912         * builtins.c (fold_builtin_1): Take decomposed arguments of
913         CALL_EXPR.
914         (fold_builtin): Update a call to fold_builtin_1.
915
916 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
917
918         PR other/20564
919         * gcov.c (output_lines): Only output function block summary when
920         outputting branch information.
921         * doc/gcov.texi: Document format of preamble and additional block
922         information lines.
923
924 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
925
926         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
927         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
928         the defaults false if BITS_PER_UNIT != 8.
929         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
930         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
931         than BITS_PER_UNIT != 8.
932         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
933         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
934         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
935         #undefs.
936         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
937         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
938
939 2005-03-20  Roger Sayle  <roger@eyesopen.com>
940
941         PR middle-end/20539
942         * fold-const.c (fold_binary): Fix type mismatch between
943         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
944         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
945         for non-truth-valued expressions.
946
947         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
948         and FUNCTION_DECL in the main switch.
949         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
950         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
951         we also need to convert their operands to match.
952         <TRUTH_NOT_EXPR>: Likewise.
953
954 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
955
956         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
957         diagnostic without checking whether an lvalue.
958         * c-common.h (lvalue_p): Remove.
959         (enum lvalue_use): Update comment.
960         (lvalue_or_else): Replace by lvalue_error.
961         * c-typeck.c (lvalue_p): Make static.
962         (lvalue_or_else): New.  Call lvalue_error.
963
964 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
965
966         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
967         (function_arg_advance): Use rs6000_parm_start.
968         (function_arg, rs6000_arg_partial_bytes): Likewise.
969
970 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
971
972         * c-common.c (check_case_value): Adjust comment about stripping
973         NOPs.
974         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
975         * c-typeck.c (default_conversion, convert_arguments,
976         build_modify_expr, convert_for_assignment, store_init_value,
977         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
978         manually.  Remove inaccurate comments.
979
980 2005-03-20  Roger Sayle  <roger@eyesopen.com>
981             Joseph S. Myers  <joseph@codesourcery.com>
982
983         * varasm.c (do_assemble_alias): Restore comment describing function.
984         Annotate the target parameter as potentially unused.
985
986 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
987
988         PR target/18551
989         * config/avr/avr.c (avr_output_function_prologue): Do not use
990         current_function_name() in a label, use a local label instead.
991
992 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
993
994         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
995         flag_finite_math_only, not flag_unsafe_math_optimizations.
996
997 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
998
999         * builtins.c (fold_builtin_1): Update a call to
1000         targetm.fold_builtin.
1001         * hooks.c (hook_tree_tree_bool_null): Rename to
1002         hook_tree_tree_tree_bool_null.  Take one more argument of type
1003         tree.
1004         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
1005         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
1006         hook_tree_tree_tree_bool_null.
1007         * target.h (gcc_target): Update the prototype of fold_builtin.
1008         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
1009         arguments of CALL_EXPR.
1010         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
1011         new prototype.
1012
1013 2005-03-20  Jan Hubicka  <jh@suse.cz>
1014
1015         * cgraph.h (cgraph_node): Add prev_clone pointer.
1016         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
1017         (cgraph_clone_node): Produce doubly linked chain.
1018
1019 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
1020
1021         * c-common.c (handle_aligned_attribute, check_function_sentinel,
1022         get_nonnull_operand, handle_sentinel_attribute,
1023         check_function_arguments_recurse): Do not strip NOPS from
1024         INTEGER_CSTs.
1025         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
1026         Likewise.
1027         * c-format.c (get_constant): Likewise.
1028         * c-parser.c (c_parser_postfix_expression): Likewise.
1029         * c-typeck.c (set_init_index): Likewise.
1030         (convert_arguments): Don't check for NOP_EXPR containing integer
1031         constant.
1032
1033 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
1034
1035         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
1036         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
1037         Take decomposed arguments of CALL_EXPR.
1038         (fold_builtin_1): Update calls to the functions mentioned
1039         above.
1040
1041 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
1042
1043         * c-decl.c (check_bitfield_type_and_width): Require bit-field
1044         width to have integer type.
1045         (build_enumerator): Require enumerator value to have integer type.
1046
1047 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1048
1049         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
1050         to __builtin_inff.
1051
1052 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1053
1054         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
1055         std=iso9899:199x): Correct descriptions.
1056
1057 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1058
1059         * config.gcc: Consistently use solaris2.1[0-9]* instead of
1060         solaris2.1[0-9].
1061
1062 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
1063
1064         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
1065         of CALL_EXPR.
1066         (expand_builtin_memcpy, fold_builtin_1): Update calls to
1067         fold_builtin_memcpy.
1068
1069         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
1070         arguments of CALL_EXPR.
1071         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
1072         fold_builtin_found, fold_builtin_1): Update calls to
1073         fold_trunc_transparent_mathfn.
1074
1075 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1076
1077         PR middle-end/20493
1078         * fold-const.c (fold_widened_comparison): Don't optimize casts of
1079         function pointers on targets that require function pointer
1080         canonicalization.
1081         (fold_sign_changed_comparison): Likewise.
1082
1083 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1084
1085         * combine.c (try_combine): When changing the mode of a hard reg, make
1086         sure that doing so is valid.
1087
1088 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
1089
1090         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
1091         (TARGET_HANDLE_OPTION): Override default.
1092         (avr_handle_option): New function.
1093         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
1094         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
1095         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
1096         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
1097         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
1098         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
1099         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
1100         (TARGET_OPTIONS): Delete.
1101         * config/avr/avr.opt: New file.
1102
1103 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1104
1105         * config/m32r/m32r-protos.h: Remove the prototypes for
1106         call_address_operand, symbolic_operand, seth_add3_operand,
1107         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1108         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1109         two_insn_const_operand, move_src_operand,
1110         move_double_src_operand, move_dest_operand,
1111         eqne_comparison_operator, signed_comparison_operator,
1112         large_insn_p, conditional_move_operand, carry_compare_operand,
1113         m32r_block_immediate_operand, extend_operand,
1114         reg_or_eq_int16_operand, int8_operand, and
1115         reg_or_zero_operand.
1116         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1117         seth_add3_operand, int8_operand, cmp_int16_operand,
1118         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1119         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1120         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1121         move_double_src_operand, move_dest_operand,
1122         eqne_comparison_operator, signed_comparison_operator,
1123         extend_operand, small_insn_p, large_insn_p,
1124         conditional_move_operand, carry_compare_operand,
1125         m32r_block_immediate_operand): Move to predicates.md.
1126         (MAX_MOVE_BYTES): Move to m32r.h.
1127         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1128         * config/m32r/m32r.md: Include predicates.md.
1129         * config/m32r/predicates.md: New.
1130
1131 2005-03-18  James E Wilson  <wilson@specifixinc.com>
1132
1133         PR c++/19769
1134         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
1135         origin.
1136
1137 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1138
1139         * config/mn10300/mn10300-protos.h: Remove the prototypes for
1140         call_address_operand, const_8bit_operand.
1141         * config/mn10300/mn10300.c (call_address_operand,
1142         const_8bit_operand, const_1f_operand): Move to predicates.md.
1143         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
1144         * config/mn10300/mn10300.md: Include predicates.md.
1145         * config/mn10300/predicates.md: New.
1146
1147 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
1148
1149         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
1150         declarations in diagnostics and %E for identifiers, not %s.
1151
1152 2005-03-18  Jan Hubicka  <jh@suse.cz>
1153             Dale Johannesen  <dalej@apple.com>
1154
1155         * basic-block.h (scale_bbs_frequencies_int,
1156         scale_bbs_frequencies_gcov_type): Declare.
1157         * cfg.c (RDIV): New macro.
1158         (update_bb_frequency_for_threading): Fix.
1159         * basic-block.h (scale_bbs_frequencies_int,
1160         scale_bbs_frequencies_gcov_type): New.
1161         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
1162         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
1163         scale_bbs_frequencies_int.
1164         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
1165
1166 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1167
1168         * config/m32r/m32r-protos.h: Remove the prototypes for
1169         call_address_operand, symbolic_operand, seth_add3_operand,
1170         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1171         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1172         two_insn_const_operand, move_src_operand,
1173         move_double_src_operand, move_dest_operand,
1174         eqne_comparison_operator, signed_comparison_operator,
1175         large_insn_p, conditional_move_operand, carry_compare_operand,
1176         m32r_block_immediate_operand, extend_operand,
1177         reg_or_eq_int16_operand, int8_operand, and
1178         reg_or_zero_operand.
1179         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1180         seth_add3_operand, int8_operand, cmp_int16_operand,
1181         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1182         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1183         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1184         move_double_src_operand, move_dest_operand,
1185         eqne_comparison_operator, signed_comparison_operator,
1186         extend_operand, small_insn_p, large_insn_p,
1187         conditional_move_operand, carry_compare_operand,
1188         m32r_block_immediate_operand): Move to predicates.md.
1189         (MAX_MOVE_BYTES): Move to m32r.h.
1190         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1191         * config/m32r/m32r.md: Include predicates.md.
1192         * config/m32r/predicates.md: New.
1193
1194         * config/pa/pa-protos.h: Add prototypes for magic_milli and
1195         shadd_constant_p.
1196         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
1197         symbolic_operand, symbolic_memory_operand,
1198         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
1199         indexed_memory_operand, move_dest_operand, move_src_operand,
1200         prefetch_cc_operand, prefetch_nocc_operand,
1201         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
1202         arith_operand, arith11_operand, pre_cint_operand,
1203         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
1204         ireg_operand, int5_operand, uint5_operand, int11_operand,
1205         uint32_operand, arith5_operand, and_operand, ior_operand,
1206         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
1207         pc_or_label_operand, div_operand, plus_xor_ior_operator,
1208         shadd_operand, movb_comparison_operator,
1209         cmpib_comparison_operator): Move to predicates.md.
1210         (magic_milli, shadd_constant_p): Make it extern.
1211         * config/pa/pa.h (PREDICATE_CODES): Remove.
1212         * config/pa/pa.md: Include predicates.md.
1213         * config/pa/predicates.md: New.
1214
1215         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
1216         predicate.
1217
1218 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1219
1220         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
1221         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1222         config/alpha/freebsd.h, config/alpha/linux.h,
1223         config/alpha/netbsd.h, config/alpha/osf5.h,
1224         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
1225         config/h8300/h8300-protos.h, config/h8300/h8300.c,
1226         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
1227         doc/cppopts.texi: Update copyright.
1228
1229 2005-03-18  Jan Hubicka  <jh@suse.cz>
1230
1231         PR middle-end/20225
1232         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
1233         too late.
1234         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
1235         called too late.
1236
1237 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1238
1239         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
1240         VEC_safe_push.
1241
1242 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
1243
1244         * combine.c (gen_binary): Remove.
1245         (known_cond, simplify_shift_const, find_split_point,
1246         combine_simplify_rtx, simplify_if_then_else, simplify_set,
1247         simplify_logical, expand_field_assignment, extract_left_shift,
1248         force_to_mode, if_then_else_cond, apply_distributive_law,
1249         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
1250         simplify_comparison, reversed_comparison): Replace with
1251         simplify_gen_binary, simplify_gen_relational or
1252         distribute_and_simplify_rtx.
1253         (distribute_and_simplify_rtx): New function.
1254
1255 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
1256             Paolo Bonzini  <gcc.gnu.org>
1257
1258         * calls.c (setjmp_call_p, special_function_p): Update comments
1259         at the head of the functions.
1260
1261 2005-03-18  Jan Hubicka  <jh@suse.cz>
1262
1263         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
1264
1265         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
1266         function body should be released; do not proactively release function
1267         bodies in non-unit-at-a-time mode.
1268
1269 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
1270
1271         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
1272         mno-fp-ret-in-387 multilib variants.
1273
1274 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
1275
1276         * common.opt (m): Remove.
1277         * opts.c (handle_option): Pass 'm' options to set_target_switch if
1278         table lookup fails.
1279         (common_handle_option): Remove OPT_m case.
1280
1281 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1282
1283         * builtins.c (fold_builtin_bitop): Take decomposed arguments
1284         of CALL_EXPR.
1285         (fold_builtin_1): Update a call to fold_builtin_bitop.
1286
1287         * builtins.c (fold_builtin_signbit): Take decomposed arguments
1288         of CALL_EXPR.
1289         (fold_builtin_1): Update a call to fold_builtin_signbit.
1290
1291 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
1292
1293         PR tree-optimization/20474
1294         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
1295         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
1296
1297 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1298
1299         * config/h8300/h8300-protos.h: Remove prototypes for
1300         general_operand_src, general_operand_dst, single_one_operand,
1301         single_zero_operand, call_insn_operand,
1302         two_insn_adds_subs_operand, small_call_insn_operand,
1303         jump_address_operand, bit_operand, bit_memory_operand,
1304         stack_pointer_operand, const_int_gt_2_operand,
1305         const_int_ge_8_operand, const_int_qi_operand,
1306         const_int_hi_operand, incdec_operand, bit_operator,
1307         nshift_operator, eqne_operator, gtle_operator,
1308         gtuleu_operator, iorxor_operator.
1309         Add prototypes for h8sx_shift_type h8sx_classify_shift and
1310         h8300_ldm_stm_parallel.
1311         * config/h8300/h8300.c (h8sx_shift_type,): Move to
1312         h8300-protos.h.
1313         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1314         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1315         (h8300_ldm_stm_parallel): Make it extern.
1316         (h8300_ldm_parallel, h8300_stm_parallel,
1317         h8300_return_parallel, general_operand_src,
1318         general_operand_dst, h8300_dst_operand, h8300_src_operand,
1319         nibble_operand, reg_or_nibble_operand, single_one_operand,
1320         single_zero_operand, call_insn_operand,
1321         two_insn_adds_subs_operand, small_call_insn_operand,
1322         jump_address_operand, bit_operand, bit_memory_operand,
1323         stack_pointer_operand, const_int_gt_2_operand,
1324         const_int_ge_8_operand, const_int_qi_operand,
1325         const_int_hi_operand, incdec_operand, eqne_operator,
1326         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1327         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1328         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1329         nshift_operator): Move to predicates.md.
1330         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1331         * config/h8300/h8300.md: Include predicates.md.
1332         * config/h8300/predicates.md: New.
1333
1334 2005-03-17  Richard Henderson  <rth@redhat.com>
1335
1336         * config.gcc (ia64*-*-hpux*): Add extra_options.
1337         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1338         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1339         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1340         (ia64_tls_size_string, ia64_tune_string): Remove.
1341         (ia64_tune): Init to PROCESSOR_ITANIUM2.
1342         (TARGET_DEFAULT_TARGET_FLAGS): New.
1343         (TARGET_HANDLE_OPTION): New.
1344         (ia64_override_options): Move options parsing ...
1345         (ia64_handle_option): ... here.  New.
1346         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1347         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1348         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1349         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1350         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1351         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1352         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1353         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1354         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1355         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1356         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1357         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1358         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1359         TARGET_EARLY_STOP_BITS): Remove.
1360         (TARGET_ILP32): Default false.
1361         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1362         (enum ia64_inline_type): New.
1363         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1364         * config/ia64/ia64.md: Update for new definitions of
1365         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1366         * config/ia64/ia64.opt: New file.
1367         * config/ia64/ilp32.opt: New file.
1368
1369 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1370
1371         PR target/18380
1372         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1373
1374 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1375
1376         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1377         instead of MASK_H8300S.
1378         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1379         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1380         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1381         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1382         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1383         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1384         TARGET_SWITCHES): Remove.
1385         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1386         TARGET_H8300SX.
1387         * config/h8300/h8300.opt: New.
1388
1389         * config/alpha/alpha.opt, config/arc/arc.opt,
1390         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1391         notices.
1392
1393 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1394
1395         * gmon.c: Remove.
1396
1397 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1398
1399         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1400         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1401         (TARGET_HANDLE_OPTION): Override default.
1402         (arc_handle_option): New function.
1403         (arc_init): Remove code to set arch_cpu_string.
1404         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1405         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1406         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1407         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1408         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1409         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1410         (arc_rodata_string, TARGET_OPTIONS): Delete.
1411         * config/arc/arc.opt: New file.
1412
1413 2005-03-17  Richard Henderson  <rth@redhat.com>
1414
1415         * doc/extend.texi (Weak Pragmas): New section.
1416         (attribute alias): Clarify that target must be in the same
1417         translation unit.
1418
1419 2005-03-17  Richard Henderson  <rth@redhat.com>
1420
1421         * config/alpha/alpha.opt: New file.
1422         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1423         of alpha_cpu.
1424         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1425         alpha_fprm_string, alpha_fptm_string): Make static.
1426         (alpha_tls_size_string): Remove.
1427         (alpha_handle_option): New.
1428         (override_options): Update for alpha_cpu/alpha_tune split.
1429         (alpha_file_start): Likewise.
1430         (TARGET_DEFAULT_TARGET_FLAGS): New.
1431         (TARGET_HANDLE_OPTION): New.
1432         * config/alpha/alpha.h (alpha_tune): Declare.
1433         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1434         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1435         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1436         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1437         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1438         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1439         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1440         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1441         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1442         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1443         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1444         (TARGET_DEFAULT): Remove MASK_FP.
1445         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1446         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1447         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1448         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1449         alpha_tls_size_string): Remove.
1450         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1451         (attribute tune): Rename from attribute cpu.
1452         * config/alpha/ev4.md: Update to match.
1453         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1454         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1455         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1456         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1457         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1458         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1459
1460 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1461
1462         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1463         and return without creating new state if before_nops_num is nonzero.
1464         * config/ia64/ia64.md (first_insn): New attribute.
1465         (alloc): Set it to yes.
1466
1467 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1468
1469         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1470         STMT_VINFO_SUBVARS to NULL.
1471         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1472
1473 2005-03-16 Dale Johannesen  <dalej@apple.com>
1474
1475         * rtlanal.c (find_first_parameter_load):  Rewrite to
1476         return actual first param load or the call if none,
1477         instead of first in block, when not all loads exist.
1478
1479 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1480
1481         * optabs.c (expand_copysign_absneg): Make static.
1482         * optabs.h (expand_copysign_absneg): Delete prototype.
1483         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1484
1485 2005-03-16  Richard Henderson  <rth@redhat.com>
1486
1487         PR middle-end/15700
1488         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1489         (alias_pairs): Rename from output_defs.
1490         (find_decl_and_mark_needed): Split out from assemble_alias.
1491         (do_assemble_alias): New.
1492         (assemble_output_def): Remove.
1493         (finish_aliases_1, finish_aliases_2): New.
1494         (process_pending_assemble_output_defs): Remove.
1495         (assemble_alias): Defer aliases for which we don't yet have a
1496         non-external decl for the target symbol.
1497         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1498         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1499         * toplev.c (compile_file): Use finish_aliases_2 instead of
1500         process_pending_assemble_output_defs.
1501         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1502         (process_pending_assemble_output_defs): Remove.
1503
1504 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1505
1506         Fix PR tree-optimization/20489
1507
1508         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1509         for empty structures.
1510
1511 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1512
1513         Fix PR tree-optimization/20490
1514
1515         * tree-ssa-pre.c (create_expression_by_pieces): Use
1516         force_gimple_operand on result of fold.
1517
1518 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1519
1520         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1521         of closing parenthesis.
1522
1523 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1524
1525         * builtins.c (expand_movstr): Update a call to
1526         fold_builtin_strcpy.
1527         (expand_builtin_strncpy): Update a call to
1528         fold_builtin_strncpy.
1529         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1530         arguments of CALL_EXPR.
1531         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1532         fold_builtin_strncpy.
1533         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1534         * tree.h: Update the prototypes of fold_builtin_strcpy and
1535         fold_builtin_strncpy.
1536
1537 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1538             Dorit Naishlos  <dorit@il.ibm.com>
1539
1540         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1541         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1542         error.
1543
1544 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1545
1546         * tree-inline.c (walk_type_fields, walk_tree,
1547         walk_tree_without_duplicates): Move from here...
1548         * tree.c: ...to here.
1549
1550 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1551
1552         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1553         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1554         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1555         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1556         (version): Define using $(BASEVER_c).
1557         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1558         version.c.
1559         (version.o): Depend on version files; add custom generation command.
1560         (prefix.o): Define BASEVER on command line.
1561         (s-iov): Depend on version files; adjust command.
1562         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1563         Add gcc-vers.texi.
1564         (gcc-vers.texi): New rule.
1565         (doc/%.info, doc/%.dvi): Add -I . to command line.
1566         (doc/gccinstall.dvi): Likewise.
1567         (PACKAGE): Delete.  All uses replaced with "gcc".
1568         * aclocal.m4: Do not include gcc-version.m4.
1569         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1570         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1571         Set is_release based on contents of DEV-PHASE.
1572         Set gcc_version based on contents of BASE-VER.
1573         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1574         * config.in, configure: Regenerate.
1575         * gccbug.in: Determine version of GCC in use at runtime.
1576         * gcov-iov.c: Get version number and development phase from
1577         command line, not by including version.c.
1578         * intl.c: Replace all uses of PACKAGE with "gcc".
1579         * libada-mk.in: Delete unused "gcc_version" variable.
1580         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1581         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1582         commentary to match.
1583         (version_string): Put together from pieces.
1584         * config/alpha/x-vms: Do not use $(gcc_version).
1585         * config/i386/t-nwld: Likewise.
1586         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1587         version-GCC and DEVELOPMENT.
1588
1589 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1590
1591         PR tree-optimization/17454
1592         * tree.c (tree_size): Add case for TREE_BINFO.
1593         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1594         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1595
1596 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1597
1598         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1599         op1 whilst expanding the signed widenening multiply variant.
1600
1601 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1602
1603         * toplev.c (display_target_options): Avoid unused variable warning if
1604         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1605         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1606         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1607         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1608         (mips_isa_info): New variable.
1609         (mips_parse_cpu): Remove the first argument and leave the caller
1610         to report errors.
1611         (TARGET_HANDLE_OPTION): Override default.
1612         (mips_handle_option): New function.  Move option validation code from...
1613         (override_options): ...here.  Update calls to mips_parse_cpu.
1614         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1615         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1616         (SUBTARGET_TARGET_OPTIONS): Delete.
1617         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1618         (mno-flush-func, mtune=): New options.
1619
1620 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1621             Richard Henderson  <rth@redhat.com>
1622
1623         * real.c (c4x_single_format, c4x_extended_format): Provide values
1624         for signbit_ro for c4x's single and extended floating point formats.
1625         * optabs.c (expand_copysign): Use the floating point format's
1626         signbit_ro for expanding via expand_copysign_absneg, and it's
1627         signbit_rw field for expanding via expand_copysign_bit.
1628
1629 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1630
1631         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1632         known_alignment_for_access_p.
1633         (known_alignment_for_access_p): New.
1634         (do_peeling_for_alignment): Field made int instead of bool and renamed
1635         to peeling_for_alignment.
1636         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1637         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1638         functionality used to be in vect_analyze_operations.
1639         (vect_analyze_operations): Code to determine vectorization factor was
1640         moved to vect_determine_vectorization_factor.
1641         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1642         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1643         factor.
1644         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1645         be part of vect_analyze_operations).
1646         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1647         creating the guard condition, as the number of iterations may be
1648         constant.
1649         (slpeel_tree_peel_loop_to_edge): Use new name of
1650         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1651         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1652         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1653         (vect_do_peeling_for_alignment): Use fold.
1654         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1655
1656         (vect_update_inits_of_dr): Renamed to
1657         vect_update_init_of_dr.
1658         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1659         (vectorizable_store): Fix assertion to use == instead of =.
1660
1661 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1662
1663         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1664         call_used_regs for wCG registers.
1665
1666 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1667
1668         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1669         for non-offsettable memory references to cope with outstanding reload
1670         replacements, take 2.
1671
1672 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1673
1674         PR target/18668
1675         * config/i386/i386.h (x86_fisttp): New.
1676         (TARGET_FISTTP): New macro.
1677         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1678         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1679         instruction when fisttp flag is set.
1680         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1681
1682         * config/i386/i386.md (type attribute): Add fisttp.
1683         (unit attribute): Set to i387 for fisttp type.
1684         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1685         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1686         TARGET_FISTTP.
1687         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1688         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1689         macros.
1690         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1691         patterns for TARGET_FISTTP.  Enable patterns for
1692         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1693         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1694         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1695         implement fisttp x87 insn.
1696         (fix_trunc*_i387_fisttp splitters): New patterns.
1697         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1698         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1699         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1700         clobber.
1701         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1702         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1703         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1704         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1705         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1706         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1707         Disable patterns for TARGET_FISTTP.
1708         (fix_trunc*_i387 splitters): Implement usign mode macros.
1709         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1710         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1711         (fix_trunx*_sse peephole2s): Implement using mode macros.
1712
1713 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1714
1715         PR rtl-optimization/20291
1716         * combine.c (try_combine): If splitting fails, re-try with
1717         original combined pattern, i.e. before clobber stripping.
1718
1719 2005-03-14  Eric Christopher  <echristo@redhat.com>
1720
1721         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1722         STACK_GROWS_DOWNWARD.
1723
1724 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1725
1726         * real.h (struct real_format): Split the signbit field into two
1727         two fields, signbit_ro and signbit_rw.
1728         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1729         mips_double_format, ieee_extended_motorola_format,
1730         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1731         ieee_extended_intel_128_format, ibm_extended_format,
1732         mips_extended_format, ieee_quad_format, mips_quad_format,
1733         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1734         i370_double_format, c4x_single_format, c4x_extended_format,
1735         real_internal_format): Update initializers for new field.
1736         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1737         real_format structure.
1738         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1739         field of the real_format structure.
1740
1741 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1742
1743         Fix PR tree-optimization/20458
1744
1745         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1746         DECL_EXTERNAL on STRUCT_FIELD tags.
1747         (clear_call_clobbered): Ditto.
1748         * tree-ssa-operands.c (note_addressable): Make sure the original
1749         variable doesn't slip into the addressable list if we have
1750         subvars.
1751         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1752         tags too.
1753
1754 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1755
1756         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1757         (-fwide-exec-charset): Likewise.
1758         (-finput-charset): Likewise.
1759         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1760         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1761         * c.opt (Wnormalized): New.
1762
1763 2005-03-14  Devang Patel  <dpatel@apple.com>
1764
1765         * doc/invoke.texi: Add reference to Visibility document.
1766
1767 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1768
1769         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1770         MASK_SPLIT_ADDRESSES.
1771         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1772         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1773         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1774         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1775         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1776         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1777         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1778         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1779         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1780         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1781         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1782         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1783         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1784         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1785         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1786         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1787         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1788         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1789         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1790         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1791         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1792         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1793         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1794         (TARGET_EXPLICIT_RELOCS): Delete.
1795         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1796         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1797         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1798         (override_options): Set MASK_LONG64 if -mint64 is given and no
1799         -mlongXX option is.  Complain about -mint64 -mlong32.
1800         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1801         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1802         * config/mips/mips.opt: New file.
1803
1804 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1805
1806         * config.gcc (extra_options): New variable for listing option files.
1807         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1808         * configure.ac (extra_opt_files): New AC_SUBST variable.
1809         (tm_file_list, tm_include_list): Include options.h first.
1810         * configure: Regenerate.
1811         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1812         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1813         (s-options-h): New rule.
1814         (options.h): Depend on it.
1815         (TEXI_GCCINT_FILES): Add options.texi.
1816         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1817         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1818         * target.h (gcc_target): Add default_target_flags and handle_option.
1819         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1820         (TARGET_HANDLE_OPTION): New macros.
1821         (TARGET_INITIALIZER): Include them.
1822         * opt-functions.awk (opt_args, nth_arg): New functions.
1823         (switch_flags): Handle the "Target" flag.
1824         (var_args): Delete.
1825         (var_name): Use opt_args and nth_arg.
1826         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1827         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1828         macros for the "Mask" and "InverseMask" options.
1829         * opts.h (cl_var_cond): New enum.
1830         (cl_option): Replace the "has_set_value" and "set_value" fields with
1831         "var_cond" and "var_value".
1832         (CL_TARGET): New macro.
1833         (option_enabled, print_filtered_help): Declare.
1834         (decode_options): Move definition.
1835         * opts.c (handle_option): Search for the original option before
1836         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1837         var_cond and var_value fields.  Use targetm.handle_option to handle
1838         target options.
1839         (decode_options): Set target_flags to targetm.default_target_flags.
1840         (print_filtered_help): Make global.  Handle CL_TARGET.
1841         (option_enabled): New function.
1842         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1843         (display_target_options, set_target_switch, print_switch_values)
1844         (default_pch_valid_p): Guard uses of target_switches with
1845         #ifdef TARGET_SWITCHES.  Also...
1846         (display_target_options): Display the CL_TARGET entries in cl_options.
1847         (set_target_option): Don't complain about the "" option when
1848         TARGET_SWITCHES is undefined.
1849         (print_switch_values): Use option_enabled.
1850         (default_pch_valid_p): Check cl_options[] when looking for something
1851         that has changed the value of target_flags.
1852         * c.opt: Remove documentation from top of file.
1853         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1854         * doc/sourecebuild.texi: Refer to the new options documentation
1855         instead of c.opt.  Document machine-specific .opt files.
1856         * doc/tm.texi (target_flags): Say that this variable is declared
1857         by options.h.
1858         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1859         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1860         an alternative.
1861         * doc/options.texi: New file.
1862
1863 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1864
1865         PR middle-end/18628
1866         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1867         register.
1868
1869 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1870
1871         PR c++/20280
1872         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1873         temporary variable of pointer type if an lvalues is required.
1874         (gimplify_modify_expr_rhs): Request an rvalue from it.
1875         (gimplify_expr): Pass fallback on.
1876
1877 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1878
1879         * cfgbuild.c: Update comments.
1880
1881 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1882
1883         PR rtl-optimization/17236
1884         * optabs.c (expand_doubleword_mult): New helper function split out
1885         from expand_binop.  Permute the order in which instructions are
1886         emitted to minimize the number of simultaneously live registers.
1887         (expand_binop): Call expand_doubleword_mult to synthesize a double
1888         word multiplication.
1889
1890 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1891
1892         * basic-block.h: Update the prototypes of cached_make_edge and
1893         rtl_make_eh_edge.
1894         * cfg.c (cached_make_edge): Take edge_cache representing one
1895         row of the adjacency matrix of edges.
1896         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1897         (make_edges): Initialize edge_cache to represent one row of
1898         the adjacency matrix of edges.
1899
1900 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1901
1902         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1903         New functions.
1904         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1905         Remove unused removed_phis variable.
1906         (conditional_replacement): Use build1/build2.
1907         (abs_replacement): Use last_and_only_stmt and build1/build2.
1908
1909 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1910
1911         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1912         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1913         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1914         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1915         * c-common.c (handle_novops_attribute): New function.
1916         (c_common_attribute_table): Add "no vops" entry.
1917         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1918         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1919         * tree-ssa-operands.c (get_call_expr_operands): Do not
1920         create virtual operands for calls with ECF_NOVOPS flag.
1921         * tree.h (DECL_IS_NOVOPS): New macro.
1922         (struct tree_decl): Add novops_flag.
1923         (ECF_NOVOPS): New constant.
1924
1925 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1926
1927         PR target/17688
1928         * config/i386/i386.c (x86_use_himode_fiop): New.
1929         (x86_use_simode_fiop): Rename from x86_use_fiop.
1930         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1931         (TARGET_USE_HIMODE_FIOP): New.
1932         (x86_use_simode_fiop): Rename from x86_use_fiop.
1933         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1934
1935         * config/i386/i386.md (X87MODEI12): New mode macro define.
1936         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1937         to implement x87 FP compare with HImode input operands.
1938         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1939         Use X87MODEI12 mode macro to handle HImode input operands.
1940         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1941         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1942         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1943         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1944         macro to implement x87 operators with HImode input operands.
1945         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1946         input operands.
1947
1948 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1949
1950         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1951         integer_zerop.
1952         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1953         constants invariant.
1954
1955 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1956
1957         * basic-block.h (BB_VISITED): Removed.
1958         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1959
1960 2005-03-14  Falk Hueffner  <falk@debian.org>
1961
1962         PR bootstrap/20424
1963         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1964
1965 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1966
1967         * ggc-zone.c: Fix comment typos.
1968
1969         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1970         stringpool.c, config/mips/mips-protos.h: Update copyright.
1971
1972 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1973
1974         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1975         throughout with its typedef, "rtx".
1976         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1977         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1978         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1979         regs in comment to match code.
1980
1981 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1982
1983         * except.c (check_handled): Make it static.
1984         * except.h: Remove the corresponding prototype.
1985
1986         * function.c (get_func_frame_size): Make it static.
1987         * function.h: Remove the corresponding type.
1988
1989         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1990         Make them static.
1991         * hard-reg-set.h: Remove the corresponding declarations.
1992
1993         * tree-cfg.c (verify_stmts): Check that
1994         bb_for_stmt (stmt) == bb for every PHI node and statement.
1995
1996 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1997
1998         * config.gcc: Remove excess indentation.
1999         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
2000
2001 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2002
2003         PR middle-end/19331
2004         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
2005         * fold-const.c (fold_sign_changed_comparison): Likewise.
2006         (fold_binary): Optimize comparisons against widened operands if
2007         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
2008
2009 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2010
2011         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
2012         (sparc_override_options): Initialize it.
2013         (sparc_struct_value_rtx): Set it on the MEM to be returned.
2014
2015 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
2016
2017         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
2018         (reg_or_none500mem_operand): New predicate.
2019         (zero_reg_mem_operand): New predicate.
2020         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
2021         to reg_or_none500mem_operand.
2022         (extendsfdf2_fpr): Add MEM alternative.
2023         (extenddftf2_internal): Change operand2 predicate to
2024         zero_reg_mem_operand.
2025
2026 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2027
2028         * ggc-zone.c: Rewritten.
2029
2030         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
2031         if there are none.
2032         * configure.ac: Define GGC_ZONE for --with-gc=zone.
2033         * config.in: Regenerated.
2034         * configure: Regenerated.
2035         * gengtype.c (write_types_process_field, write_func_for_structure):
2036         Pass new argument to gt_pch_note_object.
2037         * ggc-common.c (struct ptr_data): Add TYPE.
2038         (gt_pch_note_object): Take TYPE argument and save it.
2039         (call_count): Update call to ggc_pch_count_object.
2040         (call_alloc): Update call to ggc_pch_alloc_object.
2041         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
2042         file.
2043         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
2044         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
2045         (ggc_alloc_zone_stat): Delete.
2046         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
2047         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
2048         (ggc_pch_alloc_object): Update prototypes.
2049         (garbage_zone): Delete.
2050         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
2051         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
2052         pointers.
2053         (tree_id_zone): New variable.
2054         (ggc_alloc_cleared_zone): Remove unused.
2055         (ggc_alloc_zone): Define.
2056         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
2057         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
2058         ggc_alloc_zone_stat.
2059         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
2060         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
2061         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
2062         (make_node_stat): Likewise.  Use tree_id_zone.
2063
2064 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2065             Joseph S. Myers  <joseph@codesourcery.com>
2066
2067         * configure.ac: Check for MIPS TLS.
2068         * configure: Regenerated.
2069         * config/mips/mips-protos.h (enum mips_symbol_type): Add
2070         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
2071         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
2072         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
2073         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
2074         (mips_classify_symbol, mips_symbolic_constant_p)
2075         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
2076         (mips_tls_operand_p, mips_call_tls_get_addr)
2077         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
2078         (mips_tls_symbol_ref_1): New functions.
2079         (mips_legitimize_address, mips_legitimize_const_move): Call
2080         mips_legitimize_tls_address.
2081         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
2082         for MIPS16.
2083         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
2084         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
2085         (mips_char_to_class): Document V1_REG.
2086         (HAVE_AS_TLS): Provide default.
2087         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
2088         constants.
2089         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
2090         !TARGET_ABICALLS.
2091         (tls_get_tp_<mode>): New instruction.
2092
2093 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2094
2095         * configure.ac: Update checks for target tools.
2096         * configure: Regenerated.
2097
2098 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2099
2100         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
2101
2102 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2103
2104         * expmed.c (expand_mult): Use synthetic multiplication sequences for
2105         more classes of DImode multiplication by constant.  Allow both
2106         multiplication by small negative constants (by performing a
2107         multiplication by a positive constant and negating the result) and
2108         multiplications by large powers of two, by using a left shift.
2109
2110 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2111
2112         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
2113         of basic blocks into work_stack.
2114
2115         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
2116         config/mips/vr.h: Update copyright.
2117
2118         * c-decl.c (c_init_decl_processing): Remove useless calls to
2119         build_function_type.
2120
2121         * builtins.c (fold_trunc_transparent_mathfn,
2122         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
2123         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2124         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
2125         fold_builtin_strcpy, fold_builtin_strncpy,
2126         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
2127         TREE_TYPE (exp).
2128
2129         * builtins.c (expand_builtin_mathfn_3): Remove local variable
2130         before_call.
2131
2132         * lambda-code.c (lambda_compute_auxillary_space): Remove local
2133         variable determinant.
2134
2135         * tree-cfg.c (group_case_labels): Remove local variable type.
2136
2137         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
2138         variable ann.
2139
2140         * tree-ssa-phiopt.c (value_replacement): Remove local variable
2141         result.
2142
2143 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2144
2145         PR target/18251
2146         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
2147         (*movmemqi_insn): Delete.
2148         (*movmemhi): Delete.
2149
2150 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2151
2152         * builtins.c (fold_builtin_classify): Take decomposed
2153         arguments of CALL_EXPR.
2154         (fold_builtin_1): Update a call to fold_builtin_classify.
2155
2156 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
2157
2158         PR c/20402
2159         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
2160         through into call to parser_xref_tag after parse error.
2161         (c_parser_struct_declaration): Consistently return NULL_TREE on
2162         error.
2163
2164 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
2165
2166         * tree-flow-inline.h (ref_contains_array_ref): New function.
2167         (lookup_subvars_for_var): Ditto.
2168         (get_subvars_for_var): Ditto.
2169         (var_can_have_subvars): Ditto.
2170
2171         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
2172         (struct subvar): New type.
2173
2174         * tree-dfa.c (okay_component_ref_for_subvars): New function.
2175
2176         * tree-optimize.c (init_tree_optimization_passes): Call
2177         pass_create_structure_vars.
2178
2179         * tree-ssa-alias.c: Include vec.h.
2180         (init_alias_info): Don't auto-clear call clobbered on struct-field
2181         tags.
2182         (compute_flow_insensitive_aliasing): Handle subvars.
2183         (group_aliases): Handle STRUCT_FIELD aliases.
2184         (setup_pointers_and_addressables): Ditto.
2185         Don't mark variables non-addressable if they still have
2186         addressable subvars.
2187         Also mark subvars addressable when the real variable is marked
2188         addressable.
2189         (add_pointed_to_var): Try to prune the pointed-to set by only
2190         pointing to subvars when possible.
2191         Otherwise, make sure we set addresses_needed and pt_vars to
2192         properly include subvars.
2193         (bitpos_of_field): New function.
2194         (push_fields_onto_fieldstack): Ditto.
2195         (get_or_create_used_part_for): Ditto.
2196         (create_overlap_variables_for): Ditto.
2197         (find_used_portions): Ditto.
2198         (create_structure_vars): Ditto.
2199         (pass_create_structure_vars): New structure.
2200
2201         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
2202         (get_expr_operands): Handle subvars.  Also try to turn
2203         COMPONENT_REF accesses into must-defs now that we can accurately
2204         portray it.
2205         (note_addressable): Try to only mark as addressable those subvars
2206         we know a COMPONENT_REF touches.
2207         (overlap_subvar): New function.
2208
2209         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
2210         Handle subvar storing.
2211         (vect_address_analysis): Update caller of vect_object_analysis.
2212
2213         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
2214
2215         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
2216         (STMT_VINFO_SUBVARS): New macro.
2217
2218         * common.opts: add flag_tree_salias.
2219
2220         * opts.c (decode_options): flag_tree_salias defaults to on.
2221
2222         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
2223
2224         * doc/tree-ssa.texi: Document structural alias analysis.
2225
2226 2005-03-12  Steven Bosscher  <stevenb@suse.de>
2227
2228         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
2229         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
2230         * tree-ssa-operands.c (get_expr_operands): Likewise.
2231         (get_expr_operands): Likewise for ERROR_MARK.
2232
2233 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2234
2235         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
2236         var.
2237
2238         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
2239         removed_phis.
2240
2241         * tree-ssa-pre.c (compute_avail): Remove local variable val.
2242         (mark_operand_necessary): Remove local variable ver.
2243
2244         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
2245         variable prefix_len.
2246
2247         * value-prof.c (mod_subtract_transform): Remove local variable
2248         value.
2249
2250         * builtins.c (fold_builtin_exponent): Take decomposed
2251         arguments of CALL_EXPR.
2252         (fold_builtin_1): Update a call to fold_builtin_exponent.
2253
2254         * builtins.c (fold_builtin_logarithm): Take decomposed
2255         arguments of CALL_EXPR.
2256         (fold_builtin_1): Update a call to fold_builtin_logarithm.
2257
2258         * c-decl.c (c_init_decl_processing): Remove local variables
2259         ptr_ftype_void and ptr_ftype_ptr.
2260
2261         * gimplify.c (gimplify_expr): Remove local variables r0 and
2262         r1.
2263
2264         * reg-stack.c (move_for_stack_reg): Remove local variable
2265         push_insn.
2266         (compare_for_stack_reg): Remove local variable flags_user.
2267         (convert_regs_1): Remove local variable deleted.
2268
2269         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
2270         variable new_cond.
2271         (combine_blocks): Remove local variables exits and new_e.
2272
2273         * tree-inline.c (expand_call_inline): Remove local variable
2274         decl.
2275
2276         * tree-ssa-live.c (create_ssa_var_map,
2277         calculate_live_on_entry): Remove local variable snn.
2278
2279 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
2280
2281         * c-lex.c (c_lex_with_flags): Add parameter to call to
2282         cpp_spell_token.
2283
2284 2005-03-11  Per Bothner  <per@bothner.com>
2285
2286         * c-tree.h (struct c_declarator): New id_loc field.
2287         * c-pragma.h (c_lex_with_flags): Take position reference.
2288         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
2289         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
2290         (c_lex): Pass dummy location to c_lex_with_flags.
2291         * c-parser.c (c_lex_one_token): Set c_token's location using
2292         c_lex_with_flags, instead of input_location, which might be "ahead".
2293         (c_parser_direct_declarator): Set declarator's id_loc from
2294         c_token's id_loc.
2295         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
2296         declarator's id_loc, rather than probably-imprecise input_location.
2297         (build_id_declarator): Initialize c_declarator's id_loc field.
2298
2299 2005-03-11  Roger Sayle  <roger@eyesopen.com>
2300
2301         PR middle-end/20419
2302         * builtins.c (expand_builtin_signbit): Force the signbit's word
2303         into an integer register to avoid SUBREGs of floating point modes.
2304
2305 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2306
2307         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2308         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2309         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2310         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2311
2312 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
2313
2314         PR rtl-optimization/20306
2315         * expr.c (emit_move_complex): Set try_int false if mode is
2316         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
2317         emit_block_move if try_int is true.
2318
2319 2005-03-11  Richard Henderson  <rth@redhat.com>
2320
2321         PR target/20415
2322         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2323         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2324         to match.
2325
2326 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2327
2328         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2329         (TARGET_FIX_VR4130): New macro.
2330         (TARGET_OPTIONS): Add -mfix-vr4130.
2331         (ISA_HAS_MACCHI): New macro.
2332         (ASM_SPEC): Add -mfix-vr4130.
2333         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2334         (override_options): Handle mips_fix_vr4130_string.
2335         (mips_avoid_hazards): Clear all_noreorder_p
2336         if we're working around VR4130 errata and the macc alternatives
2337         are not available.
2338         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2339         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2340         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2341         (MULTILIB_DEFAULTS): Remove leading "march=".
2342         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
2343         if no architecture option is given.
2344         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2345         VR4130 multilibs.
2346         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2347         * doc/invoke.texi: Document -mfix-vr4130.
2348
2349 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2350
2351         * config/mips/mips.c (override_options): Only warn about -mint64
2352         deprecation if TARGET_INT64.
2353
2354 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2355
2356         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2357         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2358         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2359         are non-specific regarding the nonnull parameter positions.
2360         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2361         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2362         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2363         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2364
2365         * builtins.def: Use the non-specific "nonnull" attibute lists.
2366
2367 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2368
2369         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2370         single_pred_edge, single_succ, single_pred): Improve comments.
2371
2372 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2373
2374         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2375         single_pred_edge, single_succ, single_pred): New inline functions.
2376         * bb-reorder.c (rotate_loop, find_traces_1_round,
2377         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2378         duplicate_computed_gotos): Use the single_succ/pred functions.
2379         * cfganal.c (forwarder_block_p): Ditto.
2380         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2381         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2382         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2383         merge_seq_blocks): Ditto.
2384         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2385         * cfglayout.c (fixup_reorder_chain): Ditto.
2386         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2387         canonicalize_loop_headers, verify_loop_structure): Ditto.
2388         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2389         mfb_update_loops, create_preheader, force_single_succ_latches,
2390         create_loop_notes): Ditto.
2391         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2392         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2393         commit_one_edge_insertion, purge_dead_edges,
2394         cfg_layout_can_merge_blocks_p): Ditto.
2395         * except.c (sjlj_emit_function_enter): Ditto.
2396         * flow.c (init_propagate_block_info): Ditto.
2397         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2398         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2399         insert_insn_end_bb): Ditto.
2400         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2401         find_if_case_2): Ditto.
2402         * lambda-code.c (perfect_nestify): Ditto.
2403         * lcm.c (optimize_mode_switching): Ditto.
2404         * loop-doloop.c (doloop_modify): Ditto.
2405         * loop-init.c (loop_optimizer_init): Ditto.
2406         * loop-iv.c (simplify_using_initial_values): Ditto.
2407         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2408         * loop-unswitch.c (unswitch_loop): Ditto.
2409         * modulo-sched.c (generate_prolog_epilog): Ditto.
2410         * predict.c (combine_predictions_for_insn, estimate_probability,
2411         tree_estimate_probability, last_basic_block_p,
2412         estimate_bb_frequencies): Ditto.
2413         * profile.c (branch_prob): Ditto.
2414         * regrename.c (copyprop_hardreg_forward): Ditto.
2415         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2416         * tracer.c (layout_superblocks): Ditto.
2417         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2418         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2419         cleanup_control_expr_graph, disband_implicit_edges,
2420         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2421         tree_verify_flow_info, tree_make_forwarder_block,
2422         tree_forwarder_block_p, remove_forwarder_block,
2423         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2424         * tree-if-conv.c (tree_if_conversion): Ditto.
2425         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2426         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2427         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2428         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2429         copy_loop_headers): Ditto.
2430         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2431         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2432         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2433         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2434         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2435         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2436         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2437         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2438         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2439         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2440         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2441         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2442         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2443         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2444         slpeel_add_loop_guard): Ditto.
2445
2446 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2447
2448         PR tree-optimization/15784
2449         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2450         and -1 - A to ~A.
2451
2452         * stmt.c (expand_case): Don't change index_type.  Convert minval
2453         to the proper type.
2454
2455         PR tree-optimization/20130
2456         * fold-const.c (fold): Fold x * -1 into -x.
2457
2458 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2459
2460         PR rtl-optimization/20331
2461         * rtlanal.c (modified_between_p): Check its address first for MEM.
2462         (modified_in_p): Likewise.
2463
2464 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2465
2466         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2467
2468 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2469
2470         * expr.c (expand_expr_real_1): If possible, use a conditional
2471         move for expanding MIN_EXPR and MAX_EXPR.
2472         Use temp for moving around rtx-en.
2473
2474 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2475
2476         PR rtl-opt/20412
2477         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2478         correct mode.
2479
2480 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2481
2482         * builtins.c (expand_builtin_signbit): Extend to handle floating
2483         point modes wider than the largest integer type, using the
2484         operand_subword_force function to obtain the signbit's word.
2485
2486 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2487
2488         PR target/20322
2489         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2490         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2491
2492 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2493
2494         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2495
2496 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2497
2498         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2499         type void.
2500         (perform_edge_inserts): Unconditionally call
2501         free_dominator_info.
2502
2503         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2504
2505 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2506
2507         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2508
2509 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2510
2511         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2512
2513         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2514         gcc_unreachable.
2515         (rtl_register_value_prof_hooks,
2516         tree_value_profile_transformations,
2517         tree_register_value_prof_hooks): Likewise.
2518         * var-tracking.c (stack_adjust_offset_pre_post,
2519         variable_htab_free, variable_union, dataflow_set_different_2,
2520         count_uses, variable_was_changed, set_frame_base_location,
2521         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2522         vt_add_function_parameters): Likewise.
2523         * varasm.c (named_section_real, named_section, make_decl_rtl,
2524         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2525         const_hash_1, compare_constant, copy_constant, force_const_mem,
2526         output_constant_pool_2, output_constant_pool_1, output_constant,
2527         output_constructor, make_decl_one_only, decl_tls_model,
2528         default_no_named_section, default_elf_select_section_1,
2529         default_unique_section_1): Likewise.
2530         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2531         * vmsdbgout.c (addr_const_to_string): Likewise.
2532
2533         PR c++/20375
2534         * function.c (struct assign_parm_data_one): Remove last_named
2535         field.
2536         (assign_parm_find_data_types): Don't determine last_named.
2537         Reorder named_parm determination.
2538         (assign_parms): Only setup varargs on the last non-varadic
2539         parameter.
2540
2541 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2542
2543         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2544         sda base address on medium model.
2545
2546 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2547
2548         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2549         * cfgloop.c (flow_loop_nodes_find): Export.
2550         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2551         Declare.
2552         * cfgloopmanip.c (fix_loop_structure): New function.
2553         * predict.c (predict_loops): Clean up the loops information.
2554         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2555         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2556         loop structure.
2557         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2558         (rewrite_into_loop_closed_ssa): Declaration changed.
2559         * tree-loop-linear.c (linear_transform_loops): Add argument to
2560         rewrite_into_loop_closed_ssa call.
2561         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2562         * tree-ssa-loop-im.c (move_computations): Ditto.
2563         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2564         * tree-vectorizer.c (vectorize_loops): Ditto.
2565         * tree-optimize.c: Include cfgloop.h.
2566         (execute_todo): Choose whether to call cleanup_tree_cfg or
2567         cleanup_tree_cfg_loop.
2568         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2569         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2570         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2571         cleanup_tree_cfg_loop call.
2572         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2573         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2574         work on part of cfg.
2575
2576 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2577
2578         PR inline-asm/20314
2579         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2580         with multiple alternatives.
2581
2582         * stmt.c (parse_output_constraint): Fix a typo.
2583
2584 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2585
2586         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2587         assembly directive instead of deprecated "no-generics".
2588
2589 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2590
2591         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2592         for non-offsettable memory references to cope with outstanding reload
2593         replacements.
2594         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2595         avoid losing outstanding address reloads.
2596         ("reload_outdi", "reload_outdf"): Likewise.
2597
2598 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2599
2600         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2601         code.  Add more cbrt transformations.
2602
2603 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2604
2605         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2606
2607 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2608
2609         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2610         NULL_TREE when a given tree is not simplified.
2611         (fold): Return the original tree when any of the functions
2612         mentioned above NULL_TREE.
2613
2614         * fold-const.c (fold_unary, fold_binary): Take decomposed
2615         arguments, code, type, op0, and op1 in case of fold_binary.
2616         (fold): Update calls to fold_unary and fold_binary.
2617
2618 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2619
2620         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2621         a fndecl and an arglist instead of a CALL_EXPR, exp.
2622
2623 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2624
2625         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2626
2627         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2628
2629         * expr.c (expand_assignment): Remove orig_to_rtx.
2630
2631         * fold-const.c (int_const_binop): Remove no_overflow.
2632
2633         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2634
2635         * loop-iv.c (get_biv_step_1): Remove lhs.
2636
2637         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2638
2639         * real.c (real_nan): Remove neg.
2640
2641         * function.c (thread_prologue_and_epilogue_insns): Remove i
2642         and newinsn.
2643
2644         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2645         tb.
2646
2647         * tree-eh.c (tree_could_trap_p): Remove idx.
2648
2649         * tree-into-ssa.c (ann): Remove ann.
2650
2651         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2652
2653         * tree-sra.c (decide_block_copy): Remove inst_count.
2654
2655         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2656
2657         * tree-ssa-loop-im.c (lhs): Remove.
2658
2659         * cfgbuild.c (state, STATE, SET_STATE,
2660         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2661         make_edges.
2662         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2663         (find_basic_blocks): Set the state of each basic block to
2664         BLOCK_NEW.
2665
2666 2005-03-08  Jeff Law  <law@redhat.com>
2667
2668         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2669         goto results in the removal of edges in the CFG, then we need
2670         to recompute dominators.
2671
2672 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2673
2674         * c-common.c (c_do_switch_warnings): Comment fix.
2675
2676 2005-03-08  Julian Brown  <julian@codesourcery.com>
2677
2678         * Patch from 2005-03-08 reverted for causing regressions and
2679         ppc-darwin bootstrap failure.
2680
2681 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2682
2683         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2684         Define the real function for ppc-darwin.
2685         * c-typeck.c (convert_arguments): Check for target-specific
2686         invalid argument call to unprototyped function.
2687         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2688         New Macro.
2689         * target.h (invalid_arg_for_unprototyped_fn): New field
2690         in struct calls.
2691         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2692         default target hook.
2693         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2694         Declare.
2695
2696 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2697
2698         * c-typeck.c (constructor_stack, constructor_range_stack,
2699         initializer_stack): Make them static.
2700
2701         * cfg.c (rbi_pool): Make it static.
2702
2703         * gimple-low.c (lower_stmt_body): Make it static.
2704         * tree-flow.h: Remove the corresponding prototype.  Don't
2705         declare lower_data.
2706
2707         * sched-deps.c (cache_size): Make it static.
2708
2709         * stor-layout.c (lang_adjust_rli): Make it static.
2710
2711 2005-03-08  Julian Brown  <julian@codesourcery.com>
2712
2713         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2714         from being used for symbols with vague linkage when
2715         HAVE_GAS_COMDAT_GROUP is true.
2716
2717 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2718
2719         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2720         nlabel == JUMP_LABEL (jump).
2721
2722 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2723
2724         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2725         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2726         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2727         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2728
2729 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2730
2731         PR c/14411
2732         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2733         * c-common.c (handle_returns_twice): New function.
2734         (c_common_attribute_table): Declare eturns_twice' attribute.
2735         * doc/extend.texi: Document eturns_twice' attribute.
2736         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2737         (struct tree_decl): Add returns_twice_flag.
2738
2739 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2740
2741         * tree-ssa-phiopt.c: Fix a comment typo.
2742
2743         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2744         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2745         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2746         copyright.
2747
2748 2005-03-08  Richard Henderson  <rth@redhat.com>
2749
2750         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2751         builtin codes with ctzdi2, clzdi2, popcountdi2.
2752         (struct alpha_builtin_def): Add is_const.
2753         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2754         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2755         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2756         on builtins.
2757         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2758         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2759         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2760         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2761         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2762         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2763         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2764         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2765         (TARGET_FOLD_BUILTIN): New.
2766         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2767         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2768         (ffsdi2): Use ctz.
2769         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2770
2771 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2772
2773         PR tree-optimization/20122
2774         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2775         condition of access function instead of base.
2776
2777 2005-03-07  Jeff Law  <law@redhat.com>
2778             Steven Bosscher  <stevenb@suse.de>
2779
2780         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2781         (find_taken_edge): Call find_taken_edge_computed_goto as
2782         appropriate.  Allow any gimple invariant rather than just
2783         INTEGER_CST for VAL.
2784         (cleanup_control_flow): Cleanup a computed goto which has turned
2785         into a simple goto.
2786         (tree_merge_blocks): If block B has any forced labels, move
2787         them to the start of block A.
2788         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2789         computed gotos as well.
2790         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2791         removal of unnecessary computed gotos too.
2792         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2793         updated.
2794
2795 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2796
2797         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2798         Remove trailing spaces.
2799
2800         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2801         unshare_all_trees): Make them static.
2802         * tree-gimple.h: Remove the corresponding prototypes.
2803
2804         * diagnostic.h: Remove unused prototype
2805         debug_output_buffer.
2806         * modulo-sched.c: Remove unused prototype
2807         set_row_column_for_ps.
2808
2809         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2810         replace_phi_edge_with_variable): Remove unused variable i.
2811
2812 2005-03-07  Per Bothner  <per@bothner.com>
2813
2814         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2815
2816 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2817
2818         PR tree-opt/17671
2819         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2820         bbs on the COND_EXPR instead of the PHI_NODEs.
2821         (candidate_bb_for_phi_optimization): Remove.
2822         (replace_phi_with_stmt): Rename to ...
2823         (replace_phi_edge_with_variable): this and change so that we
2824         replace the phi argument instead of removing the PHI.
2825         (conditional_replacement): Change so we deal with PHI with more
2826         than two arguments.
2827         (value_replacement): Likewise.
2828         (abs_replacement): Likewise.
2829
2830 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2831
2832         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2833         output_e500_flip_gt_bit.
2834
2835         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2836         as bit 31.
2837         (rs6000_generate_compare): Fix logic to look at the correct bits.
2838         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2839         Look at GT bit.
2840         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2841         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2842         gen_move_from_CR_gt_bit.
2843
2844         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2845         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2846         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2847
2848         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2849         (E500_CR_IOR_COMPARE): New constant.
2850
2851 2005-03-08  Earl Chew <earl_chew@agilent.com>
2852             David Billinghurst <David.Billinghurst@riotinto.com>
2853
2854         * config/i386/host-cygwin.c: New file to support precompiled
2855         headers on cygwin
2856         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2857         * config.host: Use above files for cygwin host.
2858
2859 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2860
2861         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2862         ordering ops from earlier change.
2863
2864 2005-03-07  Per Bothner  <per@bothner.com>
2865
2866         Various fixes to allow us to again build if --enable-mapped-location:
2867         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2868         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2869         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2870         local variable loc. Change logic appropriately.
2871         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2872         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2873         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2874         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2875         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2876
2877 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2878
2879         PR rtl-optimization/19683
2880         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2881         number of bytes, to smallest_int_for_mode.  Fix arguments to
2882         REG_CANNOT_CHANGE_MODE_P.
2883
2884 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2885
2886         * reorg.c (relax_delay_slots): Check that the jump is
2887         conditional before trying to invert it.
2888
2889 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2890
2891         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2892         Make them static.
2893
2894         * calls (stack_arg_under_construction): Make it static.
2895
2896         * flow.c (regs_live_at_setjmp): Make it static.
2897         * flow.h: Remove the corresponding prototype.
2898
2899         * reload1.c (reload_startobj, reload_firstobj,
2900         something_needs_operands_changed, reload_inherited,
2901         reload_inheritance_insn, reload_override_in,
2902         reload_spill_index): Make them static.
2903
2904         * recog.c (verify_changes): Make it static.
2905         * recog.h: Remove the corresponding prototype.
2906
2907         * cfgbuild.c (find_sub_basic_blocks): Remove.
2908         * basic-block.h: Remove the corresponding prototype.
2909         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2910         in comments.
2911         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2912
2913         * tree-ssa-operands.c (check_build_stmt): Remove.
2914
2915         * stor-layout.c (set_alignment): Remove.
2916         * tree.h: Remove the corresponding prototype.
2917
2918         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2919
2920         * tree-ssa-dce.c (control_dependence_map,
2921         visited_control_parents): Make them static.
2922
2923         * cfghooks.c (verify_flow_info): Remove local variable
2924         num_bb_notes.
2925
2926         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2927         last_bb_seen.
2928
2929         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2930
2931 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2932
2933         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2934
2935 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2936
2937         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2938         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2939         PARALLEL for an empty structure.
2940
2941 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2942
2943         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2944
2945         * fold-const.c (fold_binary): Unroll the very first "for"
2946         loop.
2947
2948 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2949
2950         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2951         redundant match_code test.
2952         (scc_comparison_operator): Swap match_operand and match_code
2953         tests.
2954         (branch_positive_comparison_operator): Same.
2955         (trap_comparison_operator): Use comparison_operator and swap with
2956         match_code test.
2957
2958 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2959
2960         PR target/20288
2961         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2962         (out_movhi_r_mr): Read low byte of volatile MEM first.
2963         (out_movhi_mr_r): Write high byte of volatile MEM first.
2964
2965 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2966
2967         * cselib.c (reg_values, reg_values_size): Make them static.
2968
2969         * cse.c (cse_reg_info_table): Make it static.
2970
2971         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2972
2973 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2974
2975         * cse.c (find_best_addr): Use canon_for_address.
2976
2977 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2978
2979         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2980         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2981         SUBREG and MEM, respectively.
2982
2983         * fold-const.c (fold_binary): Use code instead of t.
2984
2985         * fold-const.c (optimize_minmax_comparison): Take decomposed
2986         arguments code, type, op0, and op1 instead of t.
2987         (fold_binary): Update a call to optimize_minmax_comparison.
2988
2989         * fold-const.c (fold_range_test): Take decomposed arguments
2990         code, type, op0, and op1 instead of t.
2991         (fold_binary): Update a call to fold_range_test.
2992
2993         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2994         decomposed arguments code, type, op0, and op1 instead of t.
2995         (fold_binary): Update a call to fold_range_test.
2996
2997 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2998
2999         * fold-const.c (fold_binary): Avoid directly using the original
3000         expression t as much as possible.
3001
3002 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
3003
3004         * c-semantics.c (build_stmt): Use TYPE_P instead of
3005         IS_NON_TYPE_CODE_CLASS.
3006         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
3007         (NON_TYPE_CHECK): Use TYPE_P instead of
3008         IS_NON_TYPE_CODE_CLASS.
3009
3010         * fold-const.c (fold): Remove handling of binary expressions.
3011
3012 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
3013
3014         * doc/c-tree.texi: Wrap comments in @r{}.
3015         * doc/cpp.texi: Likewise.
3016         * doc/cppinternals.texi: Likewise.
3017         * doc/extend.texi: Likewise.
3018         * doc/md.texi: Likewise.
3019         * doc/objc.texi: Likewise.
3020         * doc/sourcebuild.texi: Likewise.
3021         * doc/tm.texi: Likewise.
3022         * doc/tree-ssa.texi
3023
3024 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
3025
3026         * predict.c (apply_return_prediction): Standardize PHI chain
3027         walking.
3028         * tree-ssa.c (ssa_redirect_edge): Likewise.
3029
3030         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
3031         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
3032         Update copyright.
3033
3034         * tree-phinodes.c (remove_phi_node): Drop the last argument.
3035         * tree-flow.h: Adjust the prototype for remove_phi_node.
3036         * lambda-code.c (perfect_nestify): Adjust a call to
3037         remove_phi_node.
3038         * tree-cfg.c
3039         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
3040         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
3041         Likewise.
3042         * tree-ssa-dce.c (remove_dead_phis): Likewise.
3043         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3044         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3045         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
3046
3047         * combine.c (simplify_and_const_int): Use gen_int_mode instead
3048         of GEN_INT (trunc_int_for_mode (...)).
3049         * loop-iv.c (iv_number_of_iterations): Likewise.
3050         * postreload.c (reload_cse_move2add): Likewise.
3051         * simplify-rtx.c (simplify_const_unary_operation,
3052         simplify_const_binary_operation): Likewise.
3053         * stor-layout.c (get_mode_bounds): Likewise.
3054
3055         * fold-const.c (fold_binary): New.
3056         (fold): Call fold_binary on binary expressions.
3057
3058 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
3059
3060         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
3061         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
3062         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
3063         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
3064         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
3065
3066 2005-03-04  Devang Patel  <dpatel@apple.com>
3067
3068         PR tree-optimization/18815
3069         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3070         loops with zero exit edges.
3071
3072 2005-03-04  Devang Patel  <dpatel@apple.com>
3073
3074         * doc/invoke.texi: Remove reference to webpage that does not exist.
3075
3076 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
3077             Joseph S. Myers  <joseph@codesourcery.com>
3078
3079         PR c++/19797
3080         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
3081         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
3082         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
3083         * pa.c (get_plabel): Change argument to symbol_ref.  Call
3084         maybe_get_identifier instead of get_identifier.
3085         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
3086         (struct deferred_plabel): Replace name field with symbol field.
3087         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
3088         ASM_OUTPUT_EXTERNAL_REAL is defined.
3089         (output_global_address): Use output_addr_const for output of all
3090         symbol_refs.
3091         (output_deferred_plabels): Use symbol_ref instead of name for address
3092         output.
3093         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
3094         ASM_OUTPUT_SYMBOL_REF): New macros.
3095         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
3096         comment.
3097         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
3098         label.
3099
3100 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
3101
3102         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
3103         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
3104
3105 2005-03-04  Jeff Law  <law@redhat.com>
3106
3107         * basic-block.h (rediscover_loops_after_threading): Declare.
3108         * tree-ssa-dom.c: Include cfgloop.h.
3109         (tree_ssa_dominator_optimize): Discover loops and some basic
3110         properties.  Remove forwarder blocks recreated by loop header
3111         canonicalization.  Also mark backedges in the CFG.
3112         * tree-ssa-threadupdate.c: Include cfgloop.h
3113         (rediscover_loops_after_threading): Define.
3114         (struct local_info): New field, JUMP_THREADED.
3115         (prune_undesirable_thread_requests): New function.
3116         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
3117         then record that fact for the callers of redirct_edges.
3118         (thread_block): If BB has incoming backedges, then call
3119         prune_undesirable_thraed_requests.    Note when we are
3120         going to have to rediscover loop information.  Return a
3121         boolean indicating if any jumps were threaded.
3122         (thread_through_all_blocks): Bubble up boolean indicating
3123         if any jumps were threaded.
3124         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
3125         (tree-ssa-threadupdate.o): Similarly.
3126
3127 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3128
3129         * fold-const.c (fold_ternary): Unroll the "for" loop to
3130         extract operands.
3131
3132 2005-03-04  Andrew Haley  <aph@redhat.com>
3133
3134         * unwind-dw2-fde-glibc.c (struct
3135         unw_eh_callback_data.check_cache): New field.
3136         (frame_hdr_cache): New.
3137         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
3138         Cache frame header info.
3139
3140 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
3141
3142         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
3143         (print_c_condition): Declare.
3144         * read-rtl.c (ptr_loc): New structure.
3145         (ptr_locs, ptr_loc_obstack, joined_conditions)
3146         (joined_conditions_obstack): New variables.
3147         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
3148         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
3149         (join_c_conditions, print_c_condition): New functions.
3150         (apply_macro_to_string): Associate the new string with the same
3151         source location as the old one.
3152         (add_condition_to_string): Use join_c_conditions.
3153         (read_string): Use set_rtx_ptr_loc to record a filename and line
3154         number for the string.
3155         (read_rtx): Initialize the new variables above.
3156         * genattrtab.c (write_test_expr, write_attr_value): Use
3157         print_c_condition.
3158         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
3159         comment above the GCC_VERSION check.
3160         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
3161         Inline the definition of MAYBE_EVAL.
3162         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
3163         * genoutput.c (process_template): Likewise.
3164         * genpreds.c (write_predicate_subfunction): Likewise.
3165         (write_predicate_expr): Use print_c_condition.
3166         * genrecog.c (write_cond): Likewise.
3167         * gensupport.c (process_rtx): Use join_c_conditions to join the
3168         conditions of a define_insn_and_split.  Record a source location
3169         for the string after the "&&".
3170         (alter_test_for_insn): Use join_c_conditions.
3171
3172 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
3173
3174         Revert for now:
3175         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3176         PR tree-optimization/15784
3177         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3178         and -1 - A to ~A.
3179
3180 2005-03-04  Ben Elliston  <bje@au.ibm.com>
3181
3182         * gcc.c (option_map): Add --coverage.
3183         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
3184         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
3185         * config/darwin.h: Pass -lgcov for `coverage'.
3186         * doc/invoke.texi (Debugging Options): Document --coverage.
3187
3188 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3189
3190         * gcse.c (bypass_block): Use find_edge wherever possible.
3191
3192 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
3193
3194         Fix PR debug/20253
3195
3196         * c-opts.c (c_common_parse_file): Call start_source_file
3197         and end_source_file at the approriate times.
3198
3199         * dwarf2out.c (dwarf2out_finish): Don't auto-end
3200         the main file, it will be done for us now.
3201
3202 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3203
3204         * fold-const.c (fold_ternary): New.
3205         (fold): Call fold_ternary on ternary expressions.  Remove
3206         handling of ternary expressions.
3207
3208 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3209
3210         PR tree-optimization/15784
3211         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3212         and -1 - A to ~A.
3213
3214 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
3215
3216         * config/rs6000/predicates.md (branch_comparison_operator):
3217         Convert from C block to conditional format.
3218
3219 2005-03-03  Jan Hubicka  <jh@suse.cz>
3220
3221         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
3222         and non-constant public variables.
3223
3224 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
3225
3226         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
3227         with LABEL_EXPR.
3228
3229         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
3230         EDGE_I.
3231
3232         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
3233         calls to release_ssa_name and release_phi_node.
3234
3235         * fold-const.c (fold): Remove handling of unary expressions.
3236
3237         * fold-const.c (fold_unary): Avoid directly using the original
3238         expression t as much as possible.
3239
3240 2005-03-03  Roger Sayle  <roger@eyesopen.com>
3241             Andrew Pinski  <pinskia@physics.uc.edu>
3242
3243         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
3244         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
3245
3246 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
3247
3248         Describe special registers SRP and MOF as allocatable registers.
3249         * config/cris/cris.c (cris_md_asm_clobbers): New function.
3250         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
3251         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
3252         TARGET_HAS_MUL_INSNS.
3253         (cris_print_operand) <case 'd'>: New case.
3254         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
3255         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
3256         define.
3257         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
3258         (REG_ALLOC_ORDER): Update for MOF.
3259         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
3260         SPECIAL_REGS.
3261         (GENERAL_REGS): No longer a define of ALL_REGS.
3262         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
3263         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3264         Adjust accordingly.
3265         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
3266         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
3267         (SECONDARY_RELOAD_CLASS): Define.
3268         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
3269         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
3270         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
3271         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
3272         (REGISTER_MOVE_COST): Define.
3273         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
3274         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
3275         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
3276         (CRIS_MOF_REGNUM): New define_constants.
3277         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
3278         special registers.
3279         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
3280         New patterns.
3281         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
3282         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
3283         Adjust for MOF being properly described as a register.
3284         (indir_to_reg_split): Name this split.  Conditionalize on the
3285         destination register being a general register.
3286         (movei): Conditionalize on on operands 0 and 1 having the same
3287         register class.
3288
3289 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
3290
3291         PR target/20277
3292         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
3293         -mcpu to override any other explicitly given flags.
3294
3295 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
3296
3297         * recog.c (verify_changes, confirm_change_group): New functions,
3298         broken out of apply_change_group.
3299         (apply_change_group): Use them.
3300         * recog.h (verify_change, confirm_change_group): Declare.
3301         * rtl.h (redirect_jump_2): Declare.
3302         * jump.c (redirect_exp, invert_exp): Delete.
3303         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
3304         (redirect_jump_2): New function, broken out of redirect_jump.
3305         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3306         (invert_jump): Use invert_jump_1 and redirect_jump_2.
3307         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3308
3309 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
3310
3311         * varasm.c (named_section): Use xstrdup rather than doing it by
3312         hand.
3313
3314         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3315
3316 2005-03-02  Devang Patel  <dpatel@apple.com>
3317
3318         Undo PR tree-optimization/18815 fix.
3319
3320 2005-03-02  Devang Patel  <dpatel@apple.com>
3321
3322         PR tree-optimization/18815
3323         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3324         loops with zero exit edges.
3325
3326 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3327
3328         * cfg.c (connect_src, connect_dest, disconnect_src,
3329         disconnct_dest): New.
3330         (unchecked_make_edge, remove_edge, redirect_edge_succ,
3331         redirect_edge_pred): Use the new functions.
3332
3333         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3334         free_dominance_info only when needed.
3335
3336 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
3337
3338         PR target/20276
3339         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3340         (reg_or_sub_cint64_operand): Same.
3341
3342 2005-03-02  Jeff Law  <law@redhat.com>
3343
3344         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3345         CFG_ALTERED in the main DOM iteration loop.
3346
3347 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
3348
3349         PR c++/19916
3350         * varasm.c (initializer_constant_valid_p): Allow conversions
3351         between OFFSET_TYPEs.  Tidy.
3352
3353 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3354
3355         * config/cris/cris.md ("return"): Remove epilogue delay list
3356         sanity check.
3357
3358 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3359
3360         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3361         for Thumb.
3362         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3363
3364 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3365
3366         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3367         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3368         config/m68k/m68k.c, config/mips/mips.h,
3369         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3370         doc/include/gcc-common.texi: Update copyright.
3371
3372         PR middle-end/18029 and PR middle-end/18030
3373         * expr.c (optimize_bitfield_assignment_op): Add a special case
3374         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3375
3376         * fold-const.c (fold_unary): New.
3377         (fold): Call fold_unary on unary expressions.
3378
3379 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3380
3381         * cgraph.h (struct cgraph_edge): Add prev_caller and
3382         prev_callee fields.
3383         (cgraph_node_remove_callees): Export.
3384         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3385         and prev_callee.
3386         (cgraph_edge_remove_callee): New function.
3387         (cgraph_edge_remove_caller): Likewise.
3388         (cgraph_remove_edge): Use.
3389         (cgraph_redirect_edge_callee): Likewise.
3390         (cgraph_node_remove_callees): New function.
3391         (cgraph_node_remove_callers): Likewise.
3392         (cgraph_remove_node): Use.
3393         * tree-optimize.c (tree_rest_of_compilation): Use
3394         cgraph_node_remove_callees instead of manual loop.
3395         * cgraphunit.c (cgraph_finalize_function): Likewise.
3396         (cgraph_expand_function): Likewise.
3397         (cgraph_remove_unreachable_nodes): Likewise.
3398
3399 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3400
3401         PR c/8927
3402         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3403         argument.
3404         * c-decl.c (undeclared_variable): Take location as argument.
3405         * c-typeck.c (build_external_ref): Likewise.
3406         * c-parser.c (c_parser_postfix_expression): Pass location of
3407         identifier to build_external_ref.
3408
3409 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3410
3411         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3412         CCEQ mode for branch_positive_comparison_operator test.
3413         * config/rs6000/predicates (branch_comparison_operator): Revert to
3414         define_predicate.
3415         (scc_comparison_operator): Same.
3416         (branch_positive_comparison_operator): Same.
3417
3418 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3419
3420         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3421         (cris_delay_slots_for_epilogue): Remove.
3422         (save_last): Move into cris_target_asm_function_epilogue.
3423         (cris_target_asm_function_epilogue): Remove tests for file being
3424         NULL.
3425         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3426         (cris_delay_slots_for_epilogue): Remove prototypes.
3427         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3428         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3429
3430 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3431
3432         * config/rs6000/predicates.md (branch_comparison_operator): Change
3433         to define_special_predicate.
3434         (scc_comparison_operator): Same.
3435         (branch_positive_comparison_operator): Same.
3436
3437 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3438
3439         * Makefile.in (tree-ssa-sink.o): New.
3440         (OBJS-common): Add tree-ssa-sink.o.
3441         * common.opt: Add -ftree-sink
3442         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3443         * timevar.def (TV_TREE_SINK): new timevar.
3444         * tree-flow.h (is_hidden_global_store): Prototype.
3445         * tree-optimize.c (init_tree_optimization_passes): Add
3446         pass_sink_code.
3447         * tree-pass.h (pass_sink_code): New.
3448         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3449         for non-obvious global store store to is_hidden_global_store, and
3450         call that new function.
3451         * tree-ssa-sink.c: New file.
3452         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3453         * doc/passes.texi: Document forward store motion.
3454         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3455         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3456         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3457         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3458
3459 2005-03-01  Per Bothner  <per@bothner.com>
3460
3461         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3462         and we have a non-zero column-number, add it to the message.
3463         Also factor out the diagnostic_kind_text.
3464
3465 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3466
3467         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3468         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3469         flow_loop_scan): Removed.
3470         (flow_loop_dump): Do not dump removed fields.
3471         (flow_loop_free): Do not free removed fields.
3472         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3473         (loop_exit_edge_p): New function.
3474         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3475         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3476         num_exits, exits_doms.
3477         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3478         LOOP_EDGES, LOOP_ALL): Removed.
3479         (flow_loop_scan): Declaration removed.
3480         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3481         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3482         flow_loops_find.
3483         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3484         (if_convert): Call flow_loops_find and flow_loops_free
3485         when calling mark_loop_exit_edges.
3486         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3487         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3488         free_dominance_info calls.
3489         * loop-init.c (flow_loops_find): Ditto.
3490         * passes.c (rest_of_handle_branch_prob): Ditto.
3491         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3492         * loop-unroll.c (analyze_insns_in_loop): Do not use
3493         EDGE_LOOP_EXIT.
3494         * predict.c (predict_loops): Do not call flow_loop_scan.
3495         Use get_loop_exit_edges.
3496         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3497         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3498         Do not use EDGE_LOOP_EXIT.
3499         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3500         to bb_with_exit_edge_p.
3501         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3502         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3503         to bb_with_exit_edge_p.
3504         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3505         EDGE_LOOP_EXIT.
3506         * tree-loop-linear.c (linear_transform_loops): Do not call
3507         flow_loop_scan.  Use loop->single_exit.
3508         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3509         (vect_analyze_loop_form): Do not call flow_loop_scan.
3510         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3511         loop->single_exit.
3512         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3513         loop->single_exit.
3514         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3515         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3516         slpeel_tree_duplicate_loop_to_edge_cfg,
3517         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3518         Use loop_preheader_edge and loop->single_exit.  Do not call
3519         flow_loop_scan.
3520
3521 2005-03-01  Nick Clifton  <nickc@redhat.com>
3522
3523         * config/arm/arm.c (thumb_find_work_register): Check all of the
3524         argument registers to see if they are free, and a couple of
3525         special cases where the last argument register but can be proved
3526         to be available during the function's prologue.
3527         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3528         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3529         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3530         register bit-mask.
3531         (thumb_compute_save_reg_mask): Likewise.  Also use
3532         thumb_find_work_register() to ensure that there is agreement about
3533         which work register is going to be used in the prologue.
3534         (thumb_output_function_prologue): Use unsigned long as the type
3535         for the register bit-mask.  Also delay pushing the link register if
3536         other high registers are going to be pushed.
3537         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3538         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3539         redundant prototypes.
3540
3541 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3542
3543         PR target/19819
3544         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3545         and after reload in REG+REG indexed addresses without REG_POINTER
3546         set in the base and not set in the index.
3547
3548 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3549
3550         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3551         Don't undefine here.
3552         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3553         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3554         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3555         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3556         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3557         Delete.
3558         * config.gcc (sh*-*-linux*): Use config/linux.h.
3559
3560 2005-02-28  Dale Johannesen  <dalej@apple.com>
3561             Stan Shebs  <shebs@apple.com>
3562
3563         Rewrite of 64-bit Darwin structure-by-value pass/return.
3564         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3565         intoffset, use_stack, named.
3566         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3567         (rs6000_darwin64_record_arg_advance_flush):  New.
3568         (rs6000_darwin64_record_arg_advance_recurse): New.
3569         (rs6000_darwin64_record_arg_flush):  New.
3570         (rs6000_darwin64_record_arg_recurse):  New.
3571         (rs6000_darwin64_record_arg):  New.
3572         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3573         (function_arg_boundary):  Handle 128-bit aligned structs.
3574         (function_arg_advance):  Rewrite darwin64 struct handling.
3575         (function_arg):  Call rs6000_darwin64_record_arg.
3576         (function_arg_partial_nregs):  Handle darwin64 structs.
3577         (rs6000_darwin64_function_value):  Remove.
3578         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3579
3580 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3581
3582         PR tree-optimization/20216
3583         * tree-chrec.c (tree_fold_factorial): Delete.
3584         (tree_fold_binomial): Change argument list to take a return type
3585         and change the type of K to unsigned int.  Rewrite to avoid explicit
3586         evaluation of factorials, and (recursively) calling fold to perform
3587         compile-time arithmetic.  Return NULL on (internal) overflow.
3588         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3589         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3590         if any intermediate calculation overflows.
3591         (chrec_apply): Update call to chrec_evaluate.
3592
3593 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3594
3595         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3596
3597 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3598
3599         PR c/20245
3600         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3601         instead of NULL_TREE on error.
3602
3603 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3604
3605         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3606         (EASY_VECTOR_15_ADD_SELF): Remove.
3607         (num_insns_constant_wide): Not static.
3608         (validate_condition_mode): Not static.
3609         (toc_relative_expr_p): Not static.
3610         (legitimate_indirect_address_p): Not static.
3611         (macho_lo_sum_memory_operand): Not static.
3612         (invalid_e500_subreg): Not static.
3613         (easy_vector_same): Not static.
3614         (easy_vector_splat_const): Not static.
3615         (RS6000_SYMBOL_REF_TLS_P): Remove.
3616         (any_operand): Delete.
3617         (any_parallel_operand): Delete.
3618         (count_register_operand): Delete.
3619         (altivec_register_operand): Delete.
3620         (xer_operand): Delete.
3621         (s8bit_cint_operand): Delete.
3622         (short_cint_operand): Delete.
3623         (u_short_cint_operand): Delete.
3624         (non_short_cint_operand): Delete.
3625         (exact_log2_cint_operand): Delete.
3626         (gpc_reg_operand): Delete.
3627         (cc_reg_operand): Delete.
3628         (cc_reg_not_cr0_operand): Delete.
3629         (reg_or_short_operand): Delete.
3630         (reg_or_neg_short_operand): Delete.
3631         (reg_or_aligned_short_operand): Delete.
3632         (reg_or_u_short_operand): Delete.
3633         (reg_or_cint_operand): Delete.
3634         (reg_or_arith_cint_operand): Delete.
3635         (reg_or_add_cint64_operand): Delete.
3636         (reg_or_sub_cint64_operand): Delete.
3637         (reg_or_logical_cint_operand): Delete.
3638         (got_operand): Delete.
3639         (got_no_const_operand): Delete.
3640         (easy_fp_constant): Delete.
3641         (easy_vector_constant): Delete.
3642         (easy_vector_constant_add_self): Delete.
3643         (zero_constant): Delete.
3644         (zero_fp_constant): Delete.
3645         (volatile_mem_operand): Delete.
3646         (offsettable_mem_operand): Delete.
3647         (mem_or_easy_const_operand): Delete.
3648         (add_operand): Delete.
3649         (non_add_cint_operand): Delete.
3650         (logical_operand): Delete.
3651         (non_logical_cint_operand): Delete.
3652         (mask_operand): Delete.
3653         (mask_operand_wrap): Delete.
3654         (mask64_operand): Delete.
3655         (mask64_2_operand): Delete.
3656         (and64_operand): Delete.
3657         (and64_2_operand): Delete.
3658         (and_operand): Delete.
3659         (reg_or_mem_operand): Delete.
3660         (lwa_operand): Delete.
3661         (symbol_ref_operand): Delete.
3662         (call_operand): Delete.
3663         (current_file_function_operand): Delete.
3664         (input_operand): Delete.
3665         (rs6000_nonimmediate_operand): Delete.
3666         (rs6000_tls_symbol_ref): Delete.
3667         (save_world_operation): Delete.
3668         (restore_world_operation): Delete.
3669         (load_multiple_operation): Delete.
3670         (store_multiple_operation): Delete.
3671         (vrsave_operation): Delete.
3672         (mfcr_operation): Delete.
3673         (mtcrf_operation): Delete.
3674         (lmw_operation): Delete.
3675         (stmw_operation): Delete.
3676         (branch_comparison_operator): Delete.
3677         (branch_positive_comparison_operator): Delete.
3678         (scc_comparison_operator): Delete.
3679         (trap_comparison_operator): Delete.
3680         (boolean_operator): Delete.
3681         (boolean_or_operator): Delete.
3682         (min_max_operator): Delete.
3683         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3684         (EASY_VECTOR_15): Moved to here.
3685         (EASY_VECTOR_15_ADD_SELF): Move to here.
3686         (PREDICATE_CODES): Delete.
3687         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3688         Declare functions no longer static.
3689         * config/rs6000/predicates.md: New.
3690         * config/rs6000/rs6000.md: Include predicates.md
3691
3692 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3693
3694         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3695         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3696         REG_ALWAYS_RETURN.
3697         * cfgrtl.c (need_fake_edge_p): Likewise.
3698         * combine.c (distribute_notes): Likewise.
3699         * emit-rtl.c (try_split): Likewise.
3700         * recog.c (peephole2_opimize): Likewise.
3701         * reg-notes.def (ALWAYS_RETURN): Remove.
3702         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3703         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3704         * tree.h (ECF_ALWAYS_RETURN): Remove.
3705
3706 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3707
3708         PR middle-end/19874
3709         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3710         between different machine modes is never a "useless" conversion.
3711
3712 2005-02-28  Geert Bosch  <bosch@gnat.com>
3713
3714         PR ada/15977
3715         * doc/contrib.texi: List contributors for Ada front end
3716
3717 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3718
3719         * simplify-rtx.c (simplify_unary_operation_1,
3720         simplify_const_unary_operation): New, extracted from...
3721         (simplify_unary_operation): ... this one.
3722         (simplify_binary_operation_1,
3723         simplify_const_binary_operation): New, extracted from...
3724         (simplify_binary_operation): ... this one.
3725         * rtl.h (simplify_const_unary_operation,
3726         simplify_const_binary_operation): Add prototypes.
3727
3728 2005-02-28  Julian Brown  <julian@codesourcery.com>
3729
3730         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3731         building libjava and caused PR regression/20228.
3732
3733 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3734
3735         PR bootstrap/17383
3736         * Makefile.in (host_subdir): New.
3737         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3738         * configure: Regenerate.
3739
3740 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3741
3742         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3743         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3744         installation directory first.
3745
3746 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3747
3748         PR target/19065.
3749         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3750         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3751         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3752         * config/cris/cris.md: Tweak comments referring to Q.
3753         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3754         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3755         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3756         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3757         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3758         Insert spaces in constraints to align alternatives vertically for
3759         readability.
3760         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3761         operand 1: "M".
3762
3763 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3764
3765         PR rtl-optimization/17728
3766         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3767         operand 0 from general_operand to move_dest_operand.
3768
3769 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3770
3771         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3772         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3773         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3774         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3775
3776 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3777
3778         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3779         * configure: Regenerate.
3780         * libada-mk.in: Remove CC; rename
3781         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3782
3783 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3784
3785         PR tree-opt/20188
3786         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3787         for the lhs, also walk over the tree.  Likewise for rhs.
3788
3789 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3790
3791         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3792         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3793         Do not propagate value of iv before increment over the increment.
3794
3795 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3796
3797         * c-parser.c: New file.
3798         * c-parse.in: Remove.
3799         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3800         Remove.
3801         (c-parser.o): Add dependencies.
3802         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3803         maintainer-clean, TAGS): Update.
3804         * c-config-lang.in (gtfiles): Update.
3805         * gengtype-lex.l: Don't handle "@@".
3806         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3807         objc_build_synchronized, objc_begin_try_stmt,
3808         objc_begin_catch_clause, objc_finish_catch_clause,
3809         objc_build_finally_clause, objc_finish_try_stmt): New.
3810         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3811         type_seen_p.
3812         (c_parse_init): Update comment.
3813         * c-decl.c (c_init_decl_processing): Update comment.
3814         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3815         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3816         new c_declspecs members.
3817
3818 2005-02-25  Julian Brown  <julian@codesourcery.com>
3819
3820         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3821         from being used for symbols with vague linkage when
3822         HAVE_GAS_COMDAT_GROUP is true.
3823
3824 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3825
3826         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3827
3828 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3829
3830         PR target/19930
3831         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3832         (LIBGCC2_HAS_DF_MODE): New.
3833         (LIBGCC2_HAS_XF_MODE): New.
3834         (LIBGCC2_HAS_TF_MODE): New.
3835         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3836         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3837         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3838         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3839         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3840         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3841         and add _fixtfdi, _fixunstfdi, _floatditf
3842         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3843         L_fixunstfdi, L_floatditf.
3844         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3845         (LIBGCC2_HAS_TF_MODE): Define.
3846
3847 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3848
3849         PR tree-optimization/20204
3850         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3851         REWRITE_THIS_STMT markers on PHI nodes.
3852         (rewrite_initialize_block): Likewise.
3853
3854 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3855
3856         * version.c (version_string): Update to 4.1.
3857
3858 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3859
3860         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3861         Clarify that the alternative way doesn't work in GNU C++.
3862
3863 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3864
3865         PR tree-optimization/19937
3866         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3867         to the type of the induction variable.
3868
3869 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3870
3871         PR rtl-optimization/20117
3872         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3873         the block including noncopyable insn.
3874
3875 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3876
3877         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3878         calls to find_reg_note.
3879
3880 2005-02-24  Richard Henderson  <rth@redhat.com>
3881
3882         PR tree-opt/20127
3883         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3884         the type.
3885
3886 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3887
3888         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3889         vector types if to use base reg for misaligned non-word ld/std.
3890
3891 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3892
3893         PR target/14619
3894         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3895         dwarf2 label manually and put it after, not before the prologue.
3896
3897 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3898
3899         PR target/19019
3900         * reload.c (operands_match_p): Only increment register number for
3901         SCALAR_INT_MODE_P modes in multiple hard registers.
3902
3903         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3904         Fix formatting.
3905
3906 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3907
3908         * ChangeLog.5: Fix log message typo(s).
3909         * ChangeLog.7: Likewise.
3910         * ChangeLog.tree-ssa: Likewise.
3911         * cfgexpand.c: Fix comment typo(s).
3912         * conflict.c: Likewise.
3913         * defaults.h: Likewise.
3914         * dwarf2out.c: Likewise.
3915         * gcse.c: Likewise.
3916         * ggc-page.c: Likewise.
3917         * tree-eh.c: Likewise.
3918         * tree-ssa-dom.c: Likewise.
3919
3920 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3921
3922         PR target/19019
3923         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3924         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3925         if SHARED is defined.
3926
3927         PR target/20196
3928         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3929         allow splitting only if operands 0 and 3 don't overlap.
3930
3931 2005-02-24  Richard Henderson  <rth@redhat.com>
3932
3933         PR middle-end/19953
3934         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3935         (fold_builtin_1): Call them.
3936         * fold-const.c (fold_complex_mult_parts): Split out from ...
3937         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3938         (fold_complex_div_parts, fold_complex_div): New.
3939         (fold): Use them.
3940         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3941
3942 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3943
3944         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3945         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3946
3947         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3948         (print_node): Likewise.
3949         Print TYPE_SIZES_GIMPLIFIED.
3950
3951 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3952
3953         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3954         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3955         operands as commutative in constraints.
3956
3957 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3958
3959         * tree-into-ssa.c: Re-organize internal functions.
3960
3961 2005-02-24  Richard Henderson  <rth@redhat.com>
3962
3963         PR middle-end/18902
3964         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3965         for c99.
3966         * common.opt (fcx-limited-range): New.
3967         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3968         * toplev.c (flag_complex_method): Initialize to 1.
3969         (process_options): Set flag_complex_method to 0 if
3970         flag_cx_limited_range.
3971         * doc/invoke.texi (-fcx-limited-range): New.
3972
3973 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3974
3975         * cse.c (delete_trivially_dead_insns): Speed up by using
3976         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3977         prev_real_insn.
3978
3979 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3980
3981         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3982         functions when -mid-shared-library is being used.
3983
3984 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3985
3986         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3987         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3988         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3989         * system.h: Poison LINK_LIBGCC_SPECIAL.
3990
3991 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3992
3993         * gengtype.c (note_insn_name): Make 1 element larger.
3994
3995 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3996
3997         PR target/20018
3998         PR rtl-optimization/20097
3999         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4000         BImode SUBREGs of SImode registers which confuse the ia64 backend.
4001
4002 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
4003
4004         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
4005         * t-aix52 (SHLIB_INSTALL): Same.
4006
4007 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
4008
4009         * genpreds.c: Update copyright.
4010
4011 2005-02-23  Michael Beach  <michaelb@ieee.org>
4012
4013         PR target/20159
4014         * config/sparc/t-elf (startup files): Assemble with CPP.
4015
4016 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
4017
4018         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
4019         (write_predicate_expr): Likewise.
4020
4021 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4022
4023         PR tree-optimization/20100
4024         PR tree-optimization/20115
4025         * tree-optimize.c (init_tree_optimization_passes): Remove
4026         pass_maybe_create_global_var.
4027         * tree-pass.h (pass_maybe_create_global_var): Remove.
4028         * tree-ssa-alias.c (aliases_computed_p): Declare.
4029         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
4030         (count_calls_and_maybe_create_global_var): Remove.
4031         (pass_maybe_create_global_var): Remove.
4032         (init_alias_info): Do not declare aliases_computed_p.
4033         (maybe_create_global_var): If the function contains no
4034         call-clobbered variables and a mix of pure/const and regular
4035         function calls, create .GLOBAL_VAR.
4036         Mark all call-clobbered variables for renaming.
4037         (merge_pointed_to_info): Update comment.
4038         (add_pointed_to_var): Likewise.
4039         (is_escape_site): Likewise.
4040         Accept struct alias_info * instead of size_t *.
4041         Update all users.
4042         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
4043         as necessary.
4044         * tree-ssa-operands.c (get_call_expr_operands): If
4045         ALIASES_COMPUTED_P is false, do not add call-clobbering
4046         operands.
4047         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
4048         (delete_tree_ssa): Likewise.
4049
4050 2005-02-22  James E Wilson  <wilson@specifixinc.com>
4051
4052         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
4053         (do_compile): Do call it here.
4054
4055 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4056
4057         PR rtl-optimization/20017.
4058         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
4059         rest_of_handle_cse2, rest_of_handle_gcse): Call
4060         delete_dead_jumptables immediately before calling cleanup_cfg.
4061
4062 2005-02-22  Devang Patel  <dpatel@apple.com>
4063
4064         PR 19952
4065         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
4066         all labels
4067
4068 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
4069
4070         * config/rs6000/aix.h (WINT_TYPE): Define.
4071
4072 2005-02-22  Stan Shebs  <shebs@apple.com>
4073
4074         * config/rs6000/rs6000.c (rs6000_override_options): Default to
4075         natural alignment for 64-bit Darwin.
4076         (rs6000_parse_alignment_option): Warn about uses of -malign-power
4077         on 64-bit Darwin.
4078         * doc/invoke.texi: Document this.
4079
4080 2005-02-22  DJ Delorie  <dj@redhat.com>
4081
4082         * c-common.c (c_common_type_for_mode): Pass the mode's precision
4083         to make_[un]signed_type, not the mode itself.
4084
4085 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4086
4087         * cfg.c (cached_make_edge): Call make_edge if edge cache is
4088         not available.  Use tail calls wherever possible.
4089         (make_edge): Call unchecked_make_edge to create an edge.
4090
4091         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
4092         (coalesce_ssa_name): Don't check for
4093         SSANORM_USE_COALESCE_LIST.
4094         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
4095
4096 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4097
4098         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
4099         (rewrite_into_ssa): ... here.
4100
4101 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
4102
4103         PR tree-optimization/19786
4104         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
4105         tag to another's may-alias bitmap when adding to the other's list.
4106
4107 2005-02-21  DJ Delorie  <dj@redhat.com>
4108
4109         * tree-ssa-loop-ivopts.c (computation_cost): Start register
4110         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
4111         registers in unsupported ways.
4112         * expmed.c (init_expmed): Likewise.
4113
4114 2005-02-21  Stan Cox  <scox@redhat.com>
4115
4116         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
4117
4118 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4119
4120         * tree-cfg.c (fold_cond_expr_cond): New.
4121         (make_edges): Call fold_cond_expr_cond.
4122         (find_taken_edge): Accept nothing but INTEGER_CST.
4123         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
4124         and 1.
4125         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
4126
4127         * flow.c (delete_dead_jumptables): Speed up by scanning insns
4128         that do not belong to any basic block.
4129
4130 2005-02-21  Jeff Law  <law@redhat.com>
4131
4132         * cfganal.c (find_unreachable_blocks): Manually CSE load of
4133         e->dest.
4134
4135 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4136
4137         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
4138         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
4139         Adjust their definitions.
4140         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
4141         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
4142
4143         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
4144         genautomata.c, langhooks.c, langhooks.h, system.h,
4145         config/arm/lib1funcs.asm: Update copyright.
4146
4147 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4148
4149         * dbxout.c (dbxout_function_end): Emit Lscope label always.
4150
4151 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
4152
4153         PR bootstrap/13770
4154         * doc/install.texi: Document --with-gc.
4155
4156 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
4157
4158         * simplify-rtx.c (simplify_unary_operation): Add a missing
4159         "break" statement.
4160
4161 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4162
4163         PR tree-optimization/18663
4164         * tree-ssa-dom.c (extract_range_from_cond): Return 0
4165         if the type has variable bounds.
4166
4167 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
4168
4169         * gcse.c: Remove an obsolete comment.
4170
4171         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
4172
4173 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
4174
4175         * doc/extend.texi (Function Attributes) <Attribute const>: The
4176         attribute "pure" is below this text, not above.
4177
4178 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4179
4180         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
4181         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
4182         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
4183
4184 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
4185
4186         PR 18785
4187         * langhooks.h (struct lang_hooks): Add to_target_charset.
4188         * langhooks.c (lhd_to_target_charset): New function.
4189         * langhooks-def.h: Declare lhd_to_target_charset.
4190         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
4191         (LANG_HOOKS_INITIALIZER): Update.
4192         * c-common.c (c_common_to_target_charset): New function.
4193         * c-common.h: Declare it.
4194         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
4195         c_common_to_target_charset.
4196
4197         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
4198         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
4199         Delete definitions.
4200         * system.h: Poison them.
4201         * doc/tm.texi: Don't discuss them.
4202         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
4203         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
4204         (pp_c_char): Do not attempt to generate letter escapes for
4205         newline, tab, etc.
4206         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
4207         * config/mips/mips.c (mips_output_ascii): Likewise.
4208
4209 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
4210
4211         PR tree-optimization/19951
4212         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
4213         is abnormal.
4214
4215 2005-02-19  Steven Bosscher  <stevenb@suse.de>
4216
4217         PR middle-end/19698
4218         * function.h (struct function): New field `max_loop_depth'.
4219         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
4220         (flow_loops_find): Reset the max loop depth count before finding loops.
4221         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
4222         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
4223         (calculate_global_regs_live): Make sure the loop will terminate
4224         when the initial sets are not empty.
4225
4226 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
4227
4228         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
4229         object inside.
4230         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
4231
4232 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
4233
4234         PR other/19525
4235         * doc/invoke.texi: Remove documentation of %M spec.
4236         * gcc.c: Likewise.
4237         (init_spec): Remove %M suffix from -lgcc_s.
4238         (do_spec_1): Remove 'M' case.
4239         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
4240         to put shared libraries in the multilib directory.  Remove the
4241         shlib_so_soname substitution variable.  Don't add a multilib encoding
4242         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
4243         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
4244         SHLIB_INSTALL as well as SHLIB_LINK.
4245         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
4246         (SHLIB_NAME): Delete.
4247         (SHLIB_DIR): New macro.
4248         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
4249         (SHLIB_INSTALL): Adjust accordingly.
4250         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
4251         * config/t-slibgcc-sld: Likewise.
4252         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
4253         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
4254         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
4255         in $(SHLIB_DIR).
4256         (SHLIBUNWIND_INSTALL): Adjust accordingly.
4257         * config/i386/t-nwld (SHLIB_SONAME): Delete.
4258         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
4259         Use @shlib_base_name@ instead of @shlib_so_name@.
4260         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
4261         and @shlib_base_name@.so in @multilib_dir@.
4262         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
4263         to the install path.
4264         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
4265         (SHLIB_LINK): Remove previous workaround.
4266         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
4267         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
4268         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
4269         the install path.
4270         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
4271         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
4272         (SHLIB_INSTALL): Adjust accordingly.
4273         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
4274         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
4275         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
4276         config/t-slibgcc-elf-ver.
4277
4278 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
4279             Jakub Jelinek  <jakub@redhat.com>
4280
4281         PR tree-optimization/19828
4282         * tree-ssa-loop-im.c: Add a TODO comment.
4283         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
4284         without side-effects.
4285
4286 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4287
4288         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
4289         call fold_convert.
4290
4291 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
4292
4293         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
4294         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
4295         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
4296         functions.
4297         (ia64_reorg): Delete fixup_errata call.
4298         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
4299         (TARGET_SWITCHES): Delete -mb-step entry.
4300
4301 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
4302
4303         PR c/20043
4304         * c-typeck.c (composite_type): Handle quals in transparent unions.
4305         (type_lists_compatible_p): Likewise.
4306
4307 2005-02-18  Stan Shebs  <shebs@apple.com>
4308
4309         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4310         expressions in the .literal8 section.
4311
4312 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
4313
4314         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4315
4316 2005-02-18  Roger Sayle  <roger@eyesopen.com>
4317
4318         * fold-const.c (constant_boolean_node): Always create values of the
4319         specified type, don't bother calling truthvalue_conversion.
4320
4321 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4322
4323         * except.c (output_function_exception_table): Call
4324         assemble_external_libcall (eh_personality_libfunc).
4325
4326 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4327
4328         PR target/19886
4329         * config/ia64/ia64.h (struct machine_function): Add state_num.
4330         * config/ia64/ia64.c (process_epilogue,
4331         process_for_unwind_directive): Use new unwind state numbers each
4332         time rather than state 1.
4333
4334 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
4335
4336         PR target/20054
4337         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4338         before the "*llgt_didi" pattern.
4339
4340 2005-02-18  Jason Merrill  <jason@redhat.com>
4341
4342         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4343
4344 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
4345
4346         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4347         (div0): Use it in place of ARM_FUNC_ALIAS.
4348         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4349
4350 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
4351
4352         PR middle-end/20030
4353         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4354         access, the lower bound of the array type if it exists.
4355
4356 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4357
4358         PR c++/20008
4359         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4360         cases that are out-of-range for the index type.
4361
4362 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4363
4364         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4365         (estimate_case_costs): Don't call convert.
4366         * expmed.c (expand_shift): Likewise.
4367         (make_tree): Call fold_convert instead of convert.
4368
4369 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4370
4371         PR c++/19813
4372         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4373         that ref to be marked MEM_READONLY_P doesn't have base that needs
4374         constructing.
4375
4376 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4377
4378         * genautomata.c (output_get_cpu_unit_code_func,
4379         output_cpu_unit_reservation_p): Don't generate old-style function
4380         definitions.
4381
4382 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4383
4384         PR c++/20023
4385         PR tree-optimization/20009
4386         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4387
4388         PR tree-optimization/18947
4389         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4390         inline, remove all nodes that are inlined into the extern inline
4391         being redefined.
4392
4393 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4394
4395         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4396         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4397         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4398         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4399         Update copyright.
4400
4401 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4402
4403         PR tree-optimization/19917
4404         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4405         to be potentially trapping.
4406
4407 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4408
4409         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4410
4411 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4412
4413         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4414         tem becomes a local variable which is set to the value of the
4415         back end defined INITIAL_FRAME_ADDRESS macro.
4416         (expand_builtin_frame_address): Omit the base parameter to
4417         expand_builtin_return_addr.
4418         (expand_builtin_profile_func): Likewise.
4419         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4420         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4421         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4422
4423 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4424
4425         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4426         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4427         * config/frv/frv.c (frv_function_epilogue): Likewise.
4428
4429 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4430
4431         * lambda-code (perfect_nestify): Remove mark/unmark
4432         for rewriting hack.
4433         * tree-loop-linear.c (linear_transform_loops): Add
4434         rewrite_into_ssa call so that ssa is correct for
4435         rewriting into loop closed.
4436
4437 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4438
4439         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4440         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4441         BITMAP_FREE.
4442         * bt-load.c (btr_def_live_range, combine_btr_defs,
4443         migrate_btr_def, migrate_btr_defs): Likewise.
4444         * cfgcleanup.c (thread_jump): Likewise.
4445         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4446         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4447         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4448         df_rd_local_compute, df_reg_info_compute): Likewise.
4449         * dominance.c (init_dom_info, free_dom_info): Likewise.
4450         * flow.c (init_propagate_block_info,
4451         free_propagate_block_info): Likewise.
4452         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4453         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4454         modify_reg_pav): Likewise.
4455         * loop-invariant.c (find_defs, find_invariant_insn,
4456         find_invariants, free_inv_motion_data): Likewise.
4457         * predict.c (tree_predict_by_opcode,
4458         estimate_bb_frequencies): Likewise.
4459         * stmt.c (expand_case): Likewise.
4460         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4461         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4462         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4463         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4464         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4465         rewrite_ssa_into_ssa): Likewise.
4466         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4467         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4468         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4469         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4470         * tree-sra.c (tree_sra): Likewise.
4471         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4472         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4473         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4474         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4475         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4476         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4477         Likewise.
4478         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4479         calculate_live_on_entry, calculate_live_on_exit,
4480         build_tree_conflict_graph): Likewise.
4481         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4482         record_important_candidates, set_use_iv_cost, find_depends,
4483         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4484         tree_ssa_iv_optimize_finalize): Likewise.
4485         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4486         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4487         tree_duplicate_loop_to_header_edge): Likewise.
4488         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4489         * tree-ssa.c (verify_flow_insensitive_alias_info,
4490         verify_name_tags, verify_ssa, init_tree_ssa,
4491         delete_tree_ssa): Likewise.
4492         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4493         fini_ssanames): Likewise.
4494         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4495
4496 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4497
4498         * config/rs6000/t-rtems: Completely reworked.
4499
4500 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4501
4502         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4503
4504 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4505
4506         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4507         POINTER_TYPE_P when checking that type is a pointer.
4508         (vect_get_memtag): Remove.
4509         (vect_address_analysis): Use POINTER_TYPE_P. Call
4510         vect_object_analysis with dummy parameter for memtag.
4511         (vect_object_analysis): Extract memtag (functionality that
4512         used to be in vect_get_memtag and moved here). Fix printings.
4513         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4514         with correct parameters. Remove call to vect_get_memtag.
4515
4516 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4517
4518         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4519         (tree-vectorizer.o): Added missing dependencies.
4520
4521         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4522         decleration.
4523         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4524         declaration in tree-vectorizer.c, now has an extern declaration in
4525         tree-vectorizer.h).
4526         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4527         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4528         get_vectype_for_scalar_type, vect_is_simple_use,
4529         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4530         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4531         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4532         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4533         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4534         find_loop_location): Likewise.
4535
4536         * tree-vectorizer.c (langhooks.h): #include removed.
4537         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4538         moved to tree-vectorized.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,
4544         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4545         vect_set_verbosity_level, find_loop_location): Likewise.
4546
4547         (vect_analyze_loop): Function externalized. Declaration moved to
4548         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4549         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4550         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4551         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4552         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4553         vect_enhance_data_refs_alignment, vect_analyze_operations,
4554         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4555         vect_stmt_relevant_p, vect_get_loop_niters,
4556         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4557         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4558         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4559         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4560         vect_get_memtag): Likewise.
4561
4562         (vectorizable_load): Function externalized. Declaration moved to
4563         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4564         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4565         vect_transform_loop): Likewise.
4566         (vect_transform_stmt): Moved to tree-vect-transform.c.
4567         (vect_align_data_ref, vect_create_destination_var,
4568         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4569         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4570         vect_get_vec_def_for_operand, vect_init_vector,
4571         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4572         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4573         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4574         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4575         vect_do_peeling_for_loop_bound): Likewise.
4576
4577         * tree-vect-analyze.c: New file.
4578         * tree-vect-transform.c: New file.
4579
4580 2005-02-17  Jason Merrill  <jason@redhat.com>
4581
4582         PR mudflap/19319, c++/19317
4583         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4584         slot explicit.
4585
4586 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4587
4588         * doc/install.texi (Specific): Update link for Darwin-specific
4589         tool binary site.
4590
4591 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4592
4593         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4594         constant_boolean_node.
4595
4596 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4597
4598         PR target/19019
4599         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4600         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4601
4602 2005-02-16  Richard Henderson  <rth@redhat.com>
4603
4604         PR 19920
4605         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4606         with W_TYPE_SIZE.
4607         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4608         replace uses with Wtype_MAXp1_F.
4609         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4610         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4611         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4612         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4613         and HAVE_TFMODE as appropriate.
4614         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4615         (__floatdisf): Likewise.
4616         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4617         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4618         (Wtype_MAXp1_F): New.
4619         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4620         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4621
4622 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4623
4624         * PR target/19162
4625         * arm.c (arm_apply_result_size): New function.
4626         * arm.h (APPLY_RESULT_SIZE): Define.
4627         * arm-protos.h (arm_apply_result_size): Add prototype.
4628         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4629         (movxf): New expand.
4630         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4631         (call_value_symbol): Remove predicate for operand 0.
4632         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4633         (untyped_call): Rework to correclty return values for any type.
4634         (untyped_return): New expand.
4635         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4636
4637 2005-02-16  Stan Shebs  <shebs@apple.com>
4638
4639         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4640         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4641
4642 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4643
4644         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4645         configure settings on Solaris 7 and later.
4646
4647 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4648
4649         PR tree-optimization/19865
4650         * tree-optimize.c (init_tree_optimization_passes): Run
4651         pass_may_alias after pass_sra.
4652
4653 2005-02-16  Richard Henderson  <rth@redhat.com>
4654             Stuart Hastings  <stuart@apple.com>
4655
4656         PR debug/19521
4657         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4658         Do nothing if debug info suppressed for this function.
4659         (dbxout_begin_function): Early exit if debug info suppressed for
4660         this function.
4661
4662 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4663
4664         PR target/20007
4665         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4666         find_basic_blocks.
4667         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4668
4669         PR tree-optimization/19967
4670         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4671         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4672         argument TYPE.  Adjust calls to fold_builtin_XXX.
4673         (expand_builtin, fold_builtin_1): Adjust calls to
4674         expand_builtin_XXX.
4675         (fold_builtin_strchr, fold_builtin_strpbrk,
4676         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4677         result to a requested type TYPE.
4678
4679 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4680
4681         PR middle-end/19857
4682         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4683         (T)x & (T)cst if (T)cst overflows.
4684         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4685         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4686
4687 2005-02-15  Jeff Law  <law@redhat.com>
4688
4689         * gcse.c (blocks_with_calls): New bitmap.
4690         (alloc_gcse_mem): Allocate it.
4691         (free_gcse_mem): Free it.
4692         (clear_modifY_mem_tables): Clear it.
4693         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4694         when we encounter CALL_INSNs.
4695         (compute_transp, case MEM): Handle blocks with calls separate
4696         from blocks without calls.  Use bitmap iterators rather than
4697         FOR_EACH_BB.
4698
4699 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4700
4701         PR bootstrap/18810
4702         * mklibgcc.in (vis_hide): Use a temporary object file, not
4703         -o /dev/null.
4704
4705 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4706
4707         PR target/19924
4708         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4709         access optimization.
4710
4711 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4712             Alan Modra  <amodra@bigpond.net.au>
4713
4714         PR target/19019
4715         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4716         (_xlqsub): Rename to __gcc_qsub.
4717         (_xlqmul): Rename to __gcc_qmul.
4718         (_xlqdiv): Rename to __gcc_qdiv.
4719         Provide versioned symbol aliases with old names.
4720         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4721         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4722         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4723         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4724         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4725
4726 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4727
4728         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4729         Fold ~(A - 1) and ~(A + -1) to -A.
4730
4731 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4732
4733         PR pch/14940
4734         PR target/19300
4735         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4736         config/pa/pa-host.c:pa_gt_pch_use_address.
4737
4738 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4739
4740         * tree-vn.c (get_value_handle): Make sure that given an
4741         is_gimple_min_invariant expression, we always return it.
4742
4743 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4744
4745         * passes.c (rest_of_handle_gcse): Fix a comment.
4746
4747 2005-02-15  Jeff Law  <law@redhat.com>
4748
4749         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4750         bitmap.
4751         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4752         (canon_list_insert, record_last_mem_set_info): Similarly.
4753         (clear_modify_mem_tables): Similarly.
4754
4755 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4756
4757         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4758         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4759         config/mips/mips.md, config/rs6000/aix.h,
4760         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4761
4762 2005-02-15  Richard Henderson  <rth@redhat.com>
4763
4764         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4765         call to be best_edge.
4766
4767 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4768
4769         * basic-block.h: Adjust the prototype for find_basic_blocks.
4770         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4771         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4772         find_basic_blocks.
4773
4774         * flow.c (recompute_reg_usage): Remove all arguments.
4775         * passes.c (rest_of_compilation): Adjust the call to
4776         recompute_reg_usage.
4777         * rtl.h: Adjust the prototype for recompute_reg_usage.
4778
4779 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4780
4781         * tree-dump.c (dump_files): Update to reflect new member
4782         of dump_file_info.
4783         (dump_register): Add new argument.
4784         Set glob name.
4785         (dump_switch_p_1): Check against glob name if doglob was passed.
4786         (dump_switch_p): Check against regular first, then glob if
4787         we didn't have any hits on the dump name.
4788         * tree-optimize.c (register_one_dump_file):
4789         Pass in glob name as well.
4790         * tree-pass.h (struct dump_file_info): Add glob
4791         member.
4792
4793 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4794
4795         PR preprocessor/16323
4796         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4797
4798 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4799
4800         PR target/19019
4801         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4802         (trunctfdf2_internal1): New.
4803         (trunctfdf2_internal2): Renamed from trunctfdf2.
4804
4805 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4806
4807         PR tree-optimization/19853
4808         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4809
4810 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4811
4812         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4813         delete_dead_jumptables and cleanup_cfg.
4814
4815 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4816
4817         * reload.c (find_reloads): Swap address_reloaded flags when
4818         swapping commutative operands.
4819
4820 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4821
4822         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4823         Use standard_iv_increment_position for computing the bsi position
4824         for create_iv.
4825         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4826         the bsi position.
4827
4828 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4829
4830         PR target/17428
4831         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4832         life range of hard registers.
4833         * value-prof.c (insn_prefetch_values_to_profile): Only
4834         scan normal insns.
4835
4836         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4837         profile in libcalls.
4838
4839 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4840
4841         * bitmap.h (bitmap_and_compl_into): Return bool.
4842         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4843
4844 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4845
4846         PR tree-optimization/19944
4847         * fold-const.c (fold): Re-add ABS_EXPR folding.
4848
4849 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4850
4851         PR target/19019
4852         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4853         {TARGET,MASK}_XL_COMPAT.
4854         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4855         MASK_XL_COMPAT.
4856         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4857         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4858         TARGET_XL_COMPAT.
4859         (rs6000_arg_partial_bytes): Same.
4860         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4861         and XL compatibility enabled.
4862         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4863         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4864         test to final condition.
4865         (cmptf_internal2): New.
4866         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4867         xl-compat.  Add TFmode information to description.
4868
4869 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4870
4871         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4872
4873 2005-02-13  Jason Merrill  <jason@redhat.com>
4874
4875         PR c++/16405
4876         * fold-const.c (fold_indirect_ref_1): Split out from...
4877         (build_fold_indirect_ref): Here.
4878         (fold_indirect_ref): New fn.
4879         * tree.h: Declare it.
4880         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4881         (gimplify_modify_expr_rhs): Likewise.
4882         (gimplify_expr): Likewise.
4883
4884 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4885
4886         PR tree-optimization/14303
4887         PR tree-optimization/15784
4888         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4889         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4890         ABS_EXPR<x> != 0 to x != 0.
4891
4892 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4893
4894         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4895         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4896         spelling conventions.
4897
4898         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4899         delete_trivially_dead_insns too many times.
4900
4901         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4902         tem and tem2.
4903
4904 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4905
4906         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4907         (vect_is_simple_iv_evolution): Remove redundant parameter
4908         and step check.
4909         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4910         without last parameter.
4911         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4912         Return pointer step. Call vect_is_simple_iv_evolution without
4913         last parameter. Check only that the step is multiple of size
4914         type. Remove stmt_vinfo updates.
4915         (vect_get_memtag_and_dr): Remove.
4916         (vect_get_memtag): New function.
4917         (vect_address_analysis): New function.
4918         (vect_object_analysis): New function.
4919         (vect_analyze_data_refs): Call vect_object_analysis and
4920         vect_get_memtag. Update stmt_vinfo fields.
4921
4922 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4923
4924         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4925         exist and are objects. Remove checks for pointer.
4926         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4927         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4928         (vect_create_data_ref_ptr): Likewise.
4929         (vect_base_addr_differ_p): New function.
4930         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4931         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4932         Don't set the DR_BASE_NAME field of data-ref.
4933         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4934
4935 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4936
4937         * optabs.h (enum optab_index): Add new OTI_ldexp.
4938         (ldexp_optab): Define corresponding macro.
4939         * optabs.c (init_optabs): Initialize ldexp_optab.
4940         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4941         patterns.
4942         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4943         using ldexp_optab.
4944         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4945         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4946
4947         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4948         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4949         intrinsics.
4950
4951 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4952
4953         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4954         to base_address.
4955         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4956         stmt_vec_info.
4957         (vect_get_base_and_offset): Always return an address.
4958         (vect_create_addr_base_for_vector_ref): Remove treatment for
4959         different data reference types.
4960         (vect_compute_data_ref_alignment): Rename base to base_address in
4961         stmt_vec_info. Get the object in order to force its alignment.
4962         (vect_get_memtag_and_dr): Rename base to base_address in
4963         stmt_vec_info. Extract the object for memtag analysis.
4964
4965 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4966
4967         PR regression/19898.
4968         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4969         changes cc_status, use apply modified_in_p to part of cc_status
4970         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4971         body.
4972
4973 2005-02-11  Richard Henderson  <rth@redhat.com>
4974
4975         * tree-complex.c (expand_complex_libcall): New.
4976         (expand_complex_multiplication): Use it for c99 compliance.
4977         (expand_complex_division): Likewise.
4978         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4979         (fold): Call them.
4980         * builtins.c (built_in_names): Remove const.
4981         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4982         builtins.
4983         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4984         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4985         (built_in_names): Remove const.
4986         * c-common.c (c_common_type_for_mode): Handle complex modes.
4987         * flags.h, toplev.c (flag_complex_method): Rename from
4988         flag_complex_divide_method.
4989         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4990         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4991         * libgcc2.h: Declare them.
4992         * libgcc-std.ver: Export them.
4993         * mklibgcc.in (lib2funcs): Build them.
4994
4995 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4996
4997         PR tree-optimization/19876
4998         Partially revert my change from 2005-01-14
4999         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
5000         (compute_antic): ...and remove the loop here.
5001
5002 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
5003
5004         PR middle-end/19858
5005         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
5006         is number of inner's bits, avoid creating a BIT_FIELD_REF.
5007
5008         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
5009         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
5010
5011 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
5012
5013         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
5014         offsets for the big-endian 32-bit case.
5015
5016 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
5017
5018         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5019
5020 2005-02-11  Dale Johannesen  <dalej@apple.com>
5021
5022         * cselib.c (cselib_process_insn):  Clear out regs where
5023         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
5024         * reload.c (find_equiv_reg): Ditto.
5025
5026 2005-02-11  Ian Lance Taylor  <ian@airs.com>
5027
5028         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
5029         with no elements.
5030
5031         * tree.c (build_function_type_list): Work correctly if there are
5032         no arguments.
5033
5034 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
5035
5036         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
5037         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
5038         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
5039         TARGET_ZARCH instead of TARGET_64BIT.
5040
5041 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
5042
5043         * config/rs6000/t-rtems:
5044         (MULTILIB_OPTIONS): Remove mcpu=602.
5045         (MUTLILIB_DIRNAMES): Remove m602.
5046         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
5047         Let mcpu=602 match mcpu=603.
5048         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
5049
5050 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5051
5052         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
5053         signal trampolines.
5054
5055 2005-02-10  David Daney  <ddaney@avtrex.com>
5056
5057         * config/alpha/linux-unwind.h: Add exception clause to copyright.
5058         * config/i386/linux-unwind.h: Likewise.
5059         * config/ia64/linux-unwind.h: Likewise.
5060         * config/mips/linux-unwind.h: Likewise.
5061         * config/pa/linux-unwind.h: Likewise.
5062         * config/rs6000/linux-unwind.h: Likewise.
5063         * config/s390/linux-unwind.h: Likewise.
5064         * config/sh/linux-unwind.h: Likewise.
5065         * config/sparc/linux-unwind.h: Likewise.
5066
5067 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5068
5069         PR tree-optimization/17549
5070         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
5071         TER to replace a DEF with its expression if the DEF and the
5072         rhs of the expression we replace into have the same root
5073         variable.
5074
5075 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
5076
5077         * config/mips/mips.md: Fix the placement of the match_scratch in the
5078         lea64 peephole2.
5079
5080 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5081
5082         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
5083         Fix comment typos.
5084
5085 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
5086
5087         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
5088         (strip_offset): Handle addresses.
5089         (add_address_candidates): Use strip_offset.
5090         (difference_cost): Reflect strip_offset change.
5091         (force_var_cost, difference_cost): Strip nops.
5092
5093 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5094
5095         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
5096
5097         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
5098         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
5099         config/cris/cris-protos.h, config/cris/cris.c: Update
5100         copyright.
5101
5102 2005-02-10  Jeff Law  <law@redhat.com>
5103
5104         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
5105         (lookup_avail_expr): Similarly.
5106
5107 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
5108
5109         * builtins.c (fold_builtin_powi): New function.
5110         (fold_builtin_1): Call it.
5111
5112 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5113
5114         PR documentation/19309
5115         * doc/cpp.texi: The __GNUC__ and related predefined macros
5116         are also defined for the "standalone" cpp.
5117         Some non-GCC compilers may also define __GNUC__.
5118
5119 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
5120
5121         PR c/19342
5122         * c-typeck.c (common_type): New routine.  Old common_type renamed
5123         to...
5124         (c_common_type): ...this.
5125         (build_conditional_expr, build_binary_op): Use c_common_type instead
5126         of common_type.
5127
5128 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5129
5130         * doc/md.texi: Replace @samp{length} with @code{length}.
5131
5132 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5133
5134         PR tree-optimization/18687
5135         * tree-flow.h (find_loop_niter): Declare.
5136         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
5137         Try using scev even for loops with more than one exit.
5138         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
5139         (struct ivopts_data): Added niters field.
5140         (struct nfe_cache_elt): New.
5141         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
5142         functions.
5143         (tree_ssa_iv_optimize_init): Initialize niters cache.
5144         (determine_number_of_iterations): Removed.
5145         (find_induction_variables): Do not call determine_number_of_iterations.
5146         Access niters for single exit through niter_for_single_dom_exit.
5147         (add_iv_outer_candidates): Access niters for single exit through
5148         niter_for_single_dom_exit.
5149         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
5150         number_of_iterations_cond.
5151         (iv_period): New function.
5152         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
5153         (may_replace_final_value): Take data argument.  Use
5154         niter_for_single_dom_exit.
5155         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
5156         (rewrite_use_compare): Pass data to may_eliminate_iv.
5157         (rewrite_use_outer): Pass data to may_replace_final_value.
5158         (free_loop_data): Clean up the niters cache.
5159         (tree_ssa_iv_optimize_finalize): Free the niters cache.
5160         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
5161         * tree-ssa-loop-niter.c (find_loop_niter): New function.
5162         (find_loop_niter_by_eval): Use tree_int_cst_lt.
5163         (num_ending_zeros): Moved to tree.c.
5164         * tree.h (num_ending_zeros): Declare.
5165         * tree.c (num_ending_zeros): Moved from tree.c.
5166
5167 2005-02-09  Richard Henderson  <rth@redhat.com>
5168
5169         * builtins.c (DEF_BUILTIN): Add COND argument.
5170         * tree.h (DEF_BUILTIN): Likewise.
5171         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
5172         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
5173         match.
5174         (DEF_BUILTIN_STUB): New.
5175         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
5176         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
5177         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
5178         * c-common.c (DEF_BUILTIN): Add COND argument.
5179         * tree.c (local_define_builtin): New.
5180         (build_common_builtin_nodes): New.
5181
5182 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5183
5184         * fold-const.c (fold_strip_sign_ops): New function to simplify a
5185         floating point expression ignoring the sign of the result.
5186         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
5187         (fold) <MULT_EXPR>: Use it to simplify x*x.
5188         * tree.h (fold_strip_sign_ops): Prototype here.
5189         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
5190         argument.  Use fold_strip_sign_ops to simplify the first argument.
5191         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
5192         first argument when the second argument is an even integer
5193         constant, but only with -funsafe_math_optimizations.
5194         (fold_builtin_1): Update call to fold_builtin_copysign.
5195
5196 2005-02-09  Ian Lance Taylor  <ian@airs.com>
5197
5198         PR middle-end/19583
5199         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
5200         just check whether EH_FILTER_FAILURE falls through.
5201
5202 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5203
5204         * gcc/haifa-sched.c (schedule_block): Make queued sched group
5205         insns return to ready list in the next turn.
5206
5207 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5208
5209         PR middle-end/19402
5210         * builtins.def: New __builtin_powi[lf].
5211         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
5212         (expand_builtin_powi): New function.
5213         (expand_builtin): Dispatch to expand_builtin_powi.
5214         * libgcc2.h: Add prototypes for __builtin_powi[lf].
5215         * libgcc2.c: Add __builtin_powi[lf] implementation.
5216         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
5217         * optabs.h: Add powi_optab.
5218         * optabs.c (init_optabs): Initialize powi_optab.
5219         * doc/extend.texi: Document __builtin_powi[lf].
5220
5221 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
5222
5223         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
5224         exists.
5225
5226 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5227
5228         PR middle-end/19854
5229         * fold-const.c (try_move_mult_to_index): Remove redundant
5230         type argument.  Create ADDR_EXPR with correct type.
5231         (fold): Update callers of try_move_mult_to_index.  Convert
5232         result to the appropriate type.
5233
5234 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5235
5236         PR target/19597
5237         * config/avr/avr.c (default_rtx_costs): Delete.
5238         (avr_operand_rtx_cost): New function.
5239         (avr_rtx_costs): Completely rewrite.
5240
5241 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
5242
5243         PR target/19806
5244         * config/cris/cris.c (in_code): New variable.
5245         (cris_output_addr_const): Now a static function, a wrapper for
5246         output_addr_const.
5247         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
5248         case from old cris_output_addr_const.
5249         (cris_asm_output_label_ref): Similar for LABEL_REF.
5250         (cris_output_addr_const_extra): Similar for UNSPEC.
5251         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
5252         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
5253         * config/cris/cris-protos.h (cris_output_addr_const): Remove
5254         declaration.
5255         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
5256         (cris_asm_output_label_ref): Declare.
5257
5258 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
5259
5260         PR preprocessor/19801
5261         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
5262         filenames that changed when libcpp was moved to the toplevel.
5263
5264 2005-02-07  Roger Sayle  <roger@eyesopen.com>
5265
5266         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5267         zero extensions of BImode operands.  Call lowpart_subreg instead
5268         of gen_lowpart_common and gen_lowpart_SUBREG.
5269
5270 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
5271
5272         PR ada/19489
5273         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
5274         * configure.ac: Set cc_for_cross_gnattools.
5275         * configure: Regenerate.
5276
5277 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
5278
5279         PR target/19803
5280         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
5281
5282 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5283
5284         PR debug/19327
5285         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
5286         of nested functions.
5287
5288 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
5289
5290         * doc/extend.texi: Document deprecated extensions allowing
5291         static floating-point members to have initializers and allowing
5292         floating-point literals in integral constant expressions.
5293
5294 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
5295
5296         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
5297         config/darwin7.h, config/mips/mips.c,
5298         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
5299         Update copyright.
5300
5301         * cse.c: Update comments.
5302
5303 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
5304
5305         PR middle-end/19775
5306         * builtins.c (fold_builtin_sqrt): Transform
5307         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5308         pow(x,y*0.5).
5309
5310 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
5311             Dorit Naishlos  <dorit@il.ibm.com>
5312
5313         * doc/invoke.texi (ftree-vectorizer-verbose): New.
5314         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5315         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5316         was added.
5317         * tree.h (vect_set_verbosity_level): New extern function declaration
5318         added.
5319         * tree-vectorizer.h (verbosity_levels): New enum type.
5320         * tree-vectorizer.c (vect_debug_stats): Function removed.
5321         (vect_debug_details): Likewise.
5322         (vect_verbosity_level): Global variable was defined and initialized.
5323         (vect_dump): Global variable definition.
5324         (vect_print_dump_info): New function.
5325         (vect_set_dump_settings): New function.
5326         (vect_set_verbosity_level): New function.
5327         (vectorize_loops): Add call to vect_set_dump_settings.
5328
5329         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5330         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5331         (slpeel_tree_peel_loop_to_edge): Likewise.
5332
5333         (vect_analyze_offset_expr): Call to vect_print_dump_info with
5334         appropriate verbosity level instead of call to vect_debug_details
5335         or vect_debug_stats.
5336         (vect_get_base_and_offset):
5337         (vect_create_addr_base_for_vector_ref):
5338         (get_vectype_for_scalar_type):
5339         (vect_create_data_ref_ptr):
5340         (vect_init_vector):
5341         (vect_get_vec_def_for_operand):
5342         (vect_finish_stmt_generation):
5343         (vectorizable_assignment):
5344         (vectorizable_operation):
5345         (vectorizable_store):
5346         (vectorizable_load):
5347         (vect_transform_stmt):
5348         (vect_update_ivs_after_vectorizer):
5349         (vect_do_peeling_for_loop_bound):
5350         (vect_update_inits_of_drs):
5351         (vect_do_peeling_for_alignment):
5352         (vect_transform_loop):
5353         (vect_is_simple_use):
5354         (vect_analyze_operations):
5355         (vect_is_simple_iv_evolution):
5356         (vect_analyze_scalar_cycles):
5357         (vect_analyze_data_ref_dependence):
5358         (vect_analyze_data_ref_dependences):
5359         (vect_compute_data_ref_alignment):
5360         (vect_enhance_data_refs_alignment):
5361         (vect_analyze_data_refs_alignment):
5362         (vect_analyze_data_ref_access):
5363         (vect_analyze_data_ref_accesses):
5364         (vect_analyze_pointer_ref_access):
5365         (vect_get_memtag_and_dr):
5366         (vect_analyze_data_refs):
5367         (vect_mark_relevant):
5368         (vect_stmt_relevant_p):
5369         (vect_mark_stmts_to_be_vectorized):
5370         (vect_can_advance_ivs_p):
5371         (vect_get_loop_niters):
5372         (vect_analyze_loop_form):
5373         (vect_analyze_loop):
5374         (vectorize_loops): Likewise.
5375
5376         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5377         (vect_update_inits_of_drs):
5378         (vect_do_peeling_for_alignment):
5379         (vect_transform_loop):
5380         (vect_analyze_operations):
5381         (vect_analyze_scalar_cycles):
5382         (vect_analyze_data_ref_dependences):
5383         (vect_analyze_data_refs_alignment):
5384         (vect_analyze_data_ref_accesses):
5385         (vect_analyze_data_refs):
5386         (vect_mark_stmts_to_be_vectorized):
5387         (vect_get_loop_niters):
5388         (vect_analyze_loop_form):
5389         (vect_analyze_loop): Likewise.
5390         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5391
5392 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5393
5394         PR bootstrap/19796
5395         Revert:
5396         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5397         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5398         either -ffast-math or -funsafe-math-optimizations is in use.
5399
5400         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5401         * config/mips/irix-csr.c: New file.
5402         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5403         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5404         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5405         executables.
5406
5407 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5408
5409         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5410         redundant, incorrect definitions.
5411
5412         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5413         expand.
5414         ("*tls_indirect_call"): New, reference hard regs directly.
5415         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5416
5417 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5418
5419         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5420         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5421
5422 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5423
5424         PR rtl-optimization/19800
5425         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5426         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5427         gen_lowpart.
5428
5429 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5430
5431         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5432
5433 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5434
5435         PR other/17135
5436         * doc/invoke.texi: Correct documentation of -freorder-functions.
5437
5438 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5439
5440         PR other/14402
5441         * doc/invoke.texi: Don't mention gccbug.
5442
5443 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5444             Andrew Pinski  <pinskia@physics.uc.edu>
5445             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5446
5447         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5448         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5449         into just (zero_extract:SI FOO (const_int 1) BAR).
5450
5451 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5452
5453         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5454         macro locally.  Don't give last revision date.  Use GCC version
5455         number from gcc-common.texi.
5456         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5457         revision date.  Use GCC version number from gcc-common.texi.
5458         Describe being a library as current state rather than as 3.x
5459         history.
5460         * doc/gcc.texi: Remove last update date.
5461         * doc/gccint.texi: Likewise.  Update copyright dates.
5462         * doc/install.texi: Update copyright dates.
5463
5464 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5465
5466         PR other/7549
5467         * doc/invoke.texi: Mention for each option included in -Wall that
5468         it is included in -Wall.
5469         * doc/gcc.texi: Update copyright and last modification date.
5470
5471 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5472
5473         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5474         unnecessary cast to original induction variable increments.
5475
5476 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5477
5478         PR tree-optimization/18219
5479         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5480         in distributed form.
5481
5482 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5483
5484         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5485         Set bitpos and offset later in the function.  Do nothing if the
5486         target is a register and if the bitfield lies completely outside
5487         that register.
5488         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5489         here.  Return an uninitialised register if the source value is stored
5490         in a register and the bitfield lies completely outside that register.
5491
5492 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5493
5494         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5495         not SET_DEST.
5496
5497 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5498
5499         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5500
5501 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5502
5503         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5504         * config/darwin8.h: New.
5505         * config/darwin7.h: Update comment.
5506
5507 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5508             Dorit Naishlos  <dorit@il.ibm.com>
5509
5510         * tree-vectorizer.h (LOC): New type.
5511         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5512         (loop_line_number): New field in struct _loop_vec_info.
5513         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5514
5515         * tree-vectorizer.c (input.h): Included.
5516         (find_loop_location): New function.
5517         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5518         loop line number removed.
5519         (vect_debug_details): Likewise.
5520         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5521
5522         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5523         call to vect_debug_details/stats changed from loop to loop_loc.
5524         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5525         (slpeel_tree_peel_loop_to_edge): Likewise.
5526
5527         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5528         changed from NULL to UNKNOWN_LOC.
5529         (vect_get_base_and_offset):
5530         (vect_create_addr_base_for_vector_ref):
5531         (get_vectype_for_scalar_type):
5532         (vect_create_data_ref_ptr):
5533         (vect_init_vector):
5534         (vect_get_vec_def_for_operand):
5535         (vect_finish_stmt_generation):
5536         (vectorizable_assignment):
5537         (vectorizable_operation):
5538         (vectorizable_store):
5539         (vectorizable_load):
5540         (vect_transform_stmt):
5541         (vect_update_ivs_after_vectorizer):
5542         (vect_do_peeling_for_loop_bound):
5543         (vect_do_peeling_for_alignment):
5544         (vect_transform_loop):
5545         (vect_is_simple_use):
5546         (vect_analyze_operations):
5547         (vect_is_simple_iv_evolution):
5548         (vect_analyze_scalar_cycles):
5549         (vect_analyze_data_ref_dependences):
5550         (vect_compute_data_ref_alignment):
5551         (vect_enhance_data_refs_alignment):
5552         (vect_analyze_data_ref_access):
5553         (vect_analyze_data_ref_accesses):
5554         (vect_analyze_pointer_ref_access):
5555         (vect_get_memtag_and_dr):
5556         (vect_analyze_data_refs):
5557         (vect_mark_relevant):
5558         (vect_stmt_relevant_p):
5559         (vect_mark_stmts_to_be_vectorized):
5560         (vect_can_advance_ivs_p):
5561         (vect_get_loop_niters):
5562         (vect_analyze_loop):
5563         (vectorize_loops): Likewise.
5564
5565         (vectorizable_load): Argument in call to vect_debug_details/stats
5566         changed from loop to LOOP_LOC (loop_vinfo).
5567         (vect_transform_loop):
5568         (vect_analyze_operations):
5569         (vect_analyze_scalar_cycles):
5570         (vect_analyze_data_ref_dependence):
5571         (vect_enhance_data_refs_alignment):
5572         (vect_analyze_data_ref_accesses):
5573         (vect_analyze_pointer_ref_access):
5574         (vect_analyze_data_refs):
5575         (vect_analyze_loop): Likewise.
5576
5577         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5578         changed from loop to loop_loc.
5579
5580         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5581
5582 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5583             Dorit Naishlos  <dorit@il.ibm.com>
5584
5585         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5586         declaration added.
5587         (vect_analyze_data_ref_dependences): Likewise.
5588
5589         (vect_is_simple_use): Argument changed from loop structure to
5590         loop_vect_info structure.
5591         (vect_can_advance_ivs_p): Likewise.
5592         (vect_create_index_for_vector_ref): Likewise.
5593         (vect_update_ivs_after_vectorizer): Likewise.
5594         (new_stmt_vec_info): Likewise.
5595
5596         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5597         changed from loop to loop_vinfo.
5598         (vect_create_data_ref_ptr): First argument in call to
5599         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5600         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5601         was changed from loop to loop_vinfo.
5602         (vectorizable_operation): Likewise.
5603         (vectorizable_store): Likewise.
5604         (vect_mark_stmts_to_be_vectorized): Likewise.
5605         (vect_do_peeling_for_loop_bound): First argument in call to
5606         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5607         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5608         was changed from loop to loop_vinfo.
5609         (vect_analyze_data_ref_dependences): Third argument in call to
5610         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5611
5612         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5613         (vect_create_data_ref_ptr): Likewise.
5614         (vect_init_vector): Likewise.
5615         (vect_get_vec_def_for_operand): Likewise.
5616         (vectorizable_assignment): Likewise.
5617         (vectorizable_operation): Likewise.
5618         (vectorizable_store): Likewise.
5619         (vectorizable_load): Likewise.
5620         (vect_update_ivs_after_vectorizer): Likewise.
5621         (vect_is_simple_use): Likewise.
5622         (vect_analyze_data_ref_dependence): Likewise.
5623         (vect_analyze_pointer_ref_access): Likewise.
5624         (vect_can_advance_ivs_p): Likewise.
5625
5626         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5627         before _stmt_vec_info.
5628         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5629         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5630         (new_stmt_vec_info): Argument changed from loop structure to
5631         loop_vect_info structure
5632
5633         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5634         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5635         (vect_create_addr_base_for_vector_ref): Likewise.
5636         (vect_analyze_pointer_ref_access): Likewise.
5637
5638 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5639
5640         PR tree-opt/19768
5641         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5642         phi flag if the phi is abnormal.
5643
5644 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5645
5646         PR tree-opt/19736
5647         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5648         information for the new statement.
5649
5650 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5651
5652         PR driver/19117
5653         * gcc.c (main): Include the target in -v output.
5654
5655 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5656
5657         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5658         Do not drop the extend if we'd have to add a paradoxical subreg
5659         later.  Include optabs.h and insn-codes.h.
5660         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5661
5662 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5663
5664         PR middle-end/19405
5665         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5666         * fold-const.c (const_binop): Avoid constant folding floating
5667         point operations in modes that use composite representations.
5668         * simplify-rtx.c (simplify_binary_operation): Likewise.
5669
5670 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5671
5672         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5673         a REG, not a MEM.
5674         (altivec_dstt): Likewise.
5675         (altivec_dstst): Likewise.
5676         (altivec_dststt): Likewise.
5677         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5678         of first operand.
5679
5680 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5681
5682         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5683         EXPR_LOCUS from orig_cond to the new cond_stmt.
5684         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5685         the new vec_stmt.
5686
5687 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5688
5689         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5690         standard_iv_increment_position. Remove call to bsi_next
5691         (no need to bump the iterator anymore).
5692         (vect_create_index_for_vector_ref): Call
5693         standard_iv_increment_position. Remove second function argument.
5694         (vect_finish_stmt_generation): Remove call to bsi_next
5695         (no need to bump the iterator anymore).
5696         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5697         to vect_create_index_for_vector_ref.
5698
5699 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5700
5701         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5702         phis are used out of the loop.
5703
5704 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5705
5706         PR c/17807
5707         * c-decl.c (undef_nested_function): New variable.
5708         (pop_scope): Diagnose undefined nested functions.
5709         (finish_function): Don't attempt cgraph processing or genericizing
5710         if current top-level function contained an undefined nested
5711         function.  Reset undef_nested_function at the end of a top-level
5712         function.
5713
5714 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5715
5716         * tree.c (build_int_cst_type): Take sign of the value into account
5717         when deciding whether sign extend the value.
5718
5719 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5720
5721         PR c/18502
5722         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5723         (cpp_options, cc1_options): Change %{std*&ansi} to
5724         %{std*&ansi&trigraphs}.
5725
5726 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5727
5728         * cse.c: Update comments.
5729
5730 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5731
5732         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5733         arguments go on the stack.  Do not put complex doubles in odd/even
5734         pairs.
5735
5736 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5737
5738         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5739         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5740         -ftree-pre, and -fthread-jumps.
5741
5742 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5743
5744         PR tree-optimization/19578
5745         * tree-flow.h (modified_noreturn_calls): Declare.
5746         (noreturn_call_p): Declare.
5747         * tree-flow-inline.h (noreturn_call_p): New function.
5748         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5749         * tree-cfg.c (modified_noreturn_calls): New variable.
5750         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5751         that contain a mid-block noreturn call.
5752         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5753
5754 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5755
5756         * df.c (df_def_record_1, df_uses_record): Don't use
5757         DF_FOR_REGALLOC.
5758         * df.h (DF_FOR_REGALLOC): Remove.
5759
5760 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5761
5762         PR c/19435
5763         * c-typeck.c (really_start_incremental_init): Reset
5764         constructor_max_index for arrays of incomplete type.
5765
5766 2005-02-02  Jeff Law  <law@redhat.com>
5767
5768         * gcse.c (struct reg_set): Store the block index where the register
5769         was set rather than the setting insn.
5770         (record_one_set, compute_transp): Corresponding changes.
5771         (pre_insert_copy_insn): Do not call replace_one_set.
5772         (replace_one_set): Remove.
5773
5774 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5775
5776         PR other/15514
5777         * doc/gcov.texi: Fix typo.
5778
5779 2005-02-01  Richard Henderson  <rth@redhat.com
5780
5781         PR target/19680
5782         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5783         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5784         type to bool.
5785         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5786         * config/i386/i386-protos.h: Update.
5787
5788 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5789
5790         PR tree-optimization/19217
5791         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5792         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5793         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5794         that it is walking a PHI node.
5795
5796 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5797
5798         * doc/extend.texi (Nested Functions): Update.
5799
5800 2005-02-01  Richard Henderson  <rth@redhat.com>
5801
5802         PR 19696
5803         * optabs.c (expand_copysign_absneg): Export.
5804         * optabs.h (expand_copysign_absneg): Declare.
5805         * config/rs6000/rs6000.md (copysigntf3): New.
5806
5807 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5808
5809         PR tree-optimization/19633
5810         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5811         * tree-ssa-alias.c (init_alias_info): Initialize.
5812         (merge_pointed_to_info): Set.
5813         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5814         (dump_points_to_info_for): Show value of pt_null.
5815         (struct count_ptr_d): Declare.
5816         (find_ptr_dereference): Remove.
5817         (ptr_is_dereferenced_by): Remove.
5818         (count_ptr_derefs): New local function.
5819         (count_uses_and_derefs): New local function.
5820         (compute_points_to_and_addr_escape): Call it.  If the number
5821         of dereferences is greater than zero, mark the pointer as
5822         dereferenced.  If there are fewer dereferences than uses of
5823         the pointer, the pointer's value escapes.
5824
5825 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5826
5827         PR tree-optimization/19670
5828         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5829         here...
5830         (verify_use): ... set it here, instead.
5831
5832 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5833
5834         * doc/sourcebuild.texi (Test directives): Fix formatting.
5835
5836         * doc/sourcebuild.texi (Test directives): Describe selector
5837         expressions.
5838
5839 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5840
5841         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5842         specific 64-bit CPUs.
5843
5844 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5845
5846         PR target/16201
5847         * arm.c (arm_eliminable_register): New function.
5848         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5849         HOST_WIDE_INT for address offsets.
5850         * arm-protos.h (arm_eliminable_register): Add prototype.
5851
5852 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5853
5854         PR optimization/15242
5855         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5856         * basic-block.h (duplicate_computed_gotos): Add prototype.
5857         * bb-reorder.c (duplicate_computed_gotos): New function to
5858         duplicate sufficiently small blocks ending in a computed jump.
5859         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5860         if not optimizing for size.
5861         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5862         never do tail merging for blocks ending in a computed jump.
5863         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5864
5865 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5866
5867         Patch from Richard Sandiford <rsandifo@redhat.com>
5868         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5869         from inheriting a subreg equivalence with a non-spill register.
5870
5871         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5872
5873 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5874
5875         * config/frv/frv.c (movcc_fp_destination_operand): New.
5876         (gpr_or_memory_operand): Fix typo in comment.
5877         (gpr_or_memory_operand_with_scratch): New.
5878         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5879         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5880         movcc_fp_destination_operand.
5881         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5882         Legitimize memory addresses using a scratch register.
5883
5884 2005-01-31  Jeff Law  <law@redhat.com>
5885
5886         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5887         bitmap a sparse bitmap instead of a simple bitmap.
5888         (mark_def_sites_initialize_block):  Corresponding changes.
5889         (ssa_mark_def_sites_initialize_block): Likewise.
5890         (ssa_mark_phi_uses): Likewise.
5891         (mark_def_site, ssa_mark_def_sites): Likewise.
5892         (mark_def_site_blocks): Likewise.
5893         (rewrite_ssa_into_ssa): Likewise.
5894
5895         * tree-ssa-dom.c (record_cond): Pass correct variable type
5896         for last argument to htab_find_slot_with_hash.
5897
5898         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5899         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5900
5901 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5902
5903         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5904         1_mmalua.
5905
5906 2005-02-01  Eric Christopher  <echristo@redhat.com>
5907
5908         * config/mips/mips.c (override_options): Warn if -mint64
5909         is used.
5910         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5911         deprecated.
5912
5913 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5914
5915         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5916         timestamp.
5917         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5918         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5919         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5920         (cached_regno): Initialize to INVALID_REGNUM.
5921         (cse_reg_info_table_size,
5922         cse_reg_info_table_first_uninitialized,
5923         cse_reg_info_timestamp): New.
5924         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5925         get_cse_reg_info.
5926         (init_cse_reg_info, get_cse_reg_info_1): New.
5927         (get_cse_reg_info): Cache the last look-up.
5928         (new_basic_block): Update the code to clear mappings from
5929         registers to cse_reg_info entries.
5930         (cse_main): Call init_cse_reg_info.
5931
5932         * cse.c (get_cse_reg_info): Update a comment.
5933
5934 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5935
5936         PR c/19333
5937         * c-decl.c (start_decl): Do not warn about arrays of elements with
5938         an incomplete type here.
5939         (grokdeclarator): Do it here by making a pedwarn an error.
5940         * c-typeck.c (push_init_level): If there were previous errors with
5941         the constructor type, do not warn about braces for initializers.
5942         (process_init_element): Likewise for excess initializer elements.
5943
5944 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5945
5946         * cse.c (delete_trivially_dead_insn): Don't iterate.
5947
5948 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5949
5950         * config/rs6000/rs6000.md (copysignsf3): New expand.
5951         (copysigndf3): Likewise.
5952
5953 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5954
5955         * recog.c (constrain_operands): Only look for earlyclobber operand
5956         conflicts if an '&' constraint was seen.
5957
5958 2005-01-31  Marc Espie <espie@openbsd.org>
5959
5960         * config.gcc: Don't include embedded systems fragment, switches default
5961         debugging format to ELF.
5962         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5963         longer pick it up there.
5964
5965 2005-01-31  Dale Johannesen  <dalej@apple.com>
5966
5967         * doc/extend.texi (nested functions): Fix linkage description.
5968         Clarify that static is not allowed.
5969
5970 2005-01-31  Dale Johannesen  <dalej@apple.com>
5971
5972         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5973         (movdf_low_di):  Make work.
5974
5975 2005-01-31  Dale Johannesen  <dalej@apple.com>
5976
5977         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5978         Make work for 64 bit.
5979
5980 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5981             Dale Johannesen  <dalej@apple.com>
5982
5983         PR middle-end/19650
5984         * fold-const.c (fold_binary_op_with_conditional_arg):
5985         Make types match original operands, before STRIP_NOPS.
5986
5987 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5988
5989         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5990         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5991         (struct gcc_sigcontext): Delete.  Merge contents to..
5992         (struct gcc_ucontext): ..here.
5993         (get_sigcontext): Delete.
5994         (get_regs): New function, like get_sigcontext but return regs ptr.
5995         64-bit version finds regs from r1 to support vdso.
5996         (ppc_linux_aux_vector): New function.
5997         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5998         and vector regs.
5999
6000 2005-01-31  Ira Rosen  <irar@il.ibm.com>
6001
6002         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
6003         sizetype.
6004         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
6005         redundant fold. Fix misalignment for MINUS_EXPR.
6006         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
6007         (vect_analyze_pointer_ref_access): Likewise.
6008         (vect_get_memtag_and_dr): Likewise.
6009
6010 2005-01-31  Richard Henderson  <rth@redhat.com>
6011
6012         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
6013         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
6014         absnegdf2_i387, absnegxf2_i387): Likewise.
6015
6016 2005-01-31  Richard Henderson  <rth@redhat.com>
6017
6018         PR 19696
6019         * optabs.c (expand_copysign_absneg): New.
6020         (expand_copysign_bit): Split out from ...
6021         (expand_copysign): ... here.  Use expand_copysign_absneg.
6022
6023 2005-01-30  Roger Sayle  <roger@eyesopen.com>
6024
6025         PR middle-end/19697
6026         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
6027         constant as the second operand and a register as the third.
6028
6029 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
6030
6031         PR target/19704
6032         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
6033         that dllimport'd functions do not use all call-clobbered registers
6034         to pass parameters.
6035
6036 2005-01-30  Richard Henderson  <rth@redhat.com>
6037
6038         PR 19696
6039         * optabs.c (expand_absneg_bit): Split out from expand_unop and
6040         expand_abs_nojump and generalize.  Use operand_subword and
6041         emit_no_conflict_block.  Support large modes.
6042         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
6043         back to maximum.
6044         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
6045         negation to subtraction.
6046         (expand_copysign): Check that the format has signed zeros.
6047         Use operand_subword and emit_no_conflict_block.  Support large modes.
6048
6049 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
6050
6051         Fix PR tree-optimization/19624
6052
6053         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
6054         * tree-ssa-pre.c: Add cfgloop.h.
6055         Update comment.
6056         (pre_stats): New member, constified.
6057         (inserted_exprs): New static variable.
6058         (NECESSARY): New macro.
6059         (create_expression_by_pieces): Fold the expression, and
6060         mark it as defaulting to not necessary. Also put in
6061         inserted_exprs.
6062         (fully_constant_expression): New function.
6063         (insert_into_preds_of_block): Modify to not insert phis when we
6064         are playing with induction variables.
6065         Push phis onto the inserted_exprs vector, and mark them as not
6066         necessary by default.
6067         (insert_aux): Call fully_constant_expression on eprime.
6068         If all edges produce the same value, mark it constant.
6069         (mark_operand_necessary): New function.
6070         (remove_dead_inserted_code): New function.
6071         (init_pre): Init loop optimizer to get loop info.
6072         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
6073         (execute_pre): Commit edge inserts, then remove dead code.
6074
6075 2005-01-30  Richard Henderson  <rth@redhat.com>
6076
6077         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
6078         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
6079
6080 2005-01-30  Richard Henderson  <rth@redhat.com>
6081
6082         PR target/19700
6083         * config/i386/i386.c (ix86_expand_copysign): New.
6084         (ix86_split_copysign_const): New.
6085         (ix86_split_copysign_var): Rename from ix86_split_copysign,
6086         rearrange op1/nmask operands.
6087         * config/i386/i386-protos.h: Update.
6088         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
6089         (copysigndf3): Likewise.
6090         (copysignsf3_const, copysigndf3_const): New.
6091         (copysignsf3_var): Rename from copysignsf3, split out splitter
6092         and fix split predicate for X constraint.
6093         (copysigndf3_var): Similarly.
6094
6095 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
6096
6097         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
6098         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
6099         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
6100
6101 2005-01-29  Richard Henderson  <rth@redhat.com>
6102
6103         PR target/19690
6104         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
6105         of # and * in constraints.
6106
6107 2005-01-29  Richard Henderson  <rth@redhat.com>
6108
6109         PR middle-end/19689
6110         * expr.c (store_field): Don't strip sub-mode cast when the input
6111         data is even smaller.
6112
6113 2005-01-29  Richard Henderson  <rth@redhat.com>
6114
6115         PR middle-end/19687
6116         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
6117         union being empty.
6118
6119 2005-01-29  Richard Henderson  <rth@redhat.com>
6120
6121         * combine.c (make_field_assignment): Fix argument order
6122         to gen_int_mode.
6123
6124 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
6125
6126         PR tree-optimization/15791
6127         * fold-const.c (extract_array_ref): New function.
6128         (fold): Fold comparisons between &a[i] and &a[j] or
6129         semantically equivalent trees.
6130
6131 2005-01-29  Jeff Law  <law@redhat.com>
6132
6133         * gcse.c (insert_expr_in_table): Revamp handling of available
6134         and anticipatable occurrence lists to avoid unnecessary list
6135         walking.
6136         (insert_set_in_table): Similarly.
6137
6138 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
6139
6140         * c-common.c (fix_string_type): Just use c_build_qualified_type to
6141         build string type.
6142         (c_build_qualified_type): Build qualified array types with
6143         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
6144         * c-decl.c (c_make_fname_decl): Build unqualified array type
6145         before qualified type.
6146         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
6147         type is qualified, not just if type itself is.  Don't apply
6148         qualifiers to array type when declarator is processed.  Apply
6149         qualifiers to field type whether or not it is an array type.
6150         Don't handle array types specially for applying qualifiers to
6151         variables.
6152         * c-typeck.c (composite_type): Build unqualified element type and
6153         array type when forming composite of array types.
6154         (common_pointer_type, comptypes, comp_target_types,
6155         type_lists_compatible_p, build_indirect_ref, build_array_ref,
6156         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
6157         types.
6158         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
6159         (args2) in variables a1 and a2.
6160
6161 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
6162
6163         * cse.c (n_elements_made, max_elements_made): Remove.
6164         (insert): Don't touch n_elements_made.
6165         (cse_main): Don't touch n_elements_made or max_elements_made.
6166
6167 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
6168
6169         PR target/15384
6170         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
6171         configuration part of dp-bit.c to be lost.
6172
6173 2005-01-28  Roger Sayle  <roger@eyesopen.com>
6174
6175         * expmed.c (expand_mult_highpart_optab): When attempting to use
6176         a non-widening multiplication in a wider mode, the operands need
6177         to be converted (zero or sign extended) to that mode.
6178
6179 2005-01-28  Ian Lance Taylor  <ian@airs.com>
6180
6181         PR middle-end/16558
6182         PR middle-end/19583
6183         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
6184         through if both operands fall through.
6185
6186 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6187
6188         * cse.c (fold_rtx) <PC>: Don't optimize.
6189
6190 2005-01-28  Jeff Law  <law@redhat.com>
6191
6192         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
6193         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
6194
6195 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6196
6197         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
6198         cse_reg_info_used_list_end): Remove.
6199         (cse_reg_info_list, cse_reg_info_list_free): New.
6200         (get_cse_reg_info): When allocating an instance of
6201         cse_reg_info, add it to the beginning of the cse_reg_info_list
6202         list.  Remove code to maintain cse_reg_info_used_list.
6203         (new_basic_block): Reset the free list to the beginning of
6204         cse_reg_info_list.
6205
6206 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
6207
6208         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
6209         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
6210         (frv_expand_mdpackh_builtin): New function.
6211         (frv_expand_builtin): Use it to expand __MDPACKH.
6212         * doc/extend.texi (__MDPACKH): Update documentation.
6213
6214 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
6215
6216         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
6217         SSE_FLOAT_MODE_P for use_sse computation.
6218
6219 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
6220
6221         PR target/19663
6222         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
6223
6224 2005-01-27  Richard Henderson  <rth@redhat.com>
6225
6226         * builtins.c (expand_builtin_copysign): New.
6227         (expand_builtin): Call it.
6228         * genopinit.c (optabs): Add copysign_optab.
6229         * optabs.c (init_optabs): Initialize it.
6230         (expand_copysign): New.
6231         * optabs.h (OTI_copysign, copysign_optab): New.
6232         (expand_copysign): Declare.
6233
6234         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
6235         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
6236
6237         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
6238         (ix86_expand_fp_absneg_operator): ... here.
6239         (ix86_split_copysign): New.
6240         * config/i386/i386-protos.h: Update.
6241         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
6242         (copysignsf3, copysigndf3): New.
6243
6244         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
6245         (copysignsf3, ncopysignsf3): New.
6246         (copysigndf3, ncopysigndf3): New.
6247         (copysignxf3, ncopysignxf3): New.
6248         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
6249
6250 2005-01-27  Arend Bayer  <arend.bayer@web.de>
6251             Kazu Hirata  <kazu@cs.umass.edu>
6252
6253         * cse.c: (find_best_addr): Don't call copy_rtx before calling
6254         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
6255         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
6256         NULL_RTX.
6257
6258 2005-01-27  Jeff Law  <law@redhat.com>
6259
6260         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
6261         definitions of SSA_NAMEs which are not being rewritten.
6262         (rewrite_ssa_into_ssa): Only initialize the current definition
6263         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
6264         If checking is enabled, assert that SSA_NAME_AUX is clear for all
6265         SSA_NAMEs before returning.
6266
6267 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
6268
6269         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
6270         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
6271         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
6272         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
6273         config/mips/iris6.h, config/sh/sh.c: Update copyright.
6274
6275 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6276
6277         PR middle-end/17278
6278         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
6279         higher to -O2 and higher.  Likewise for tree PRE.
6280         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
6281         and better.
6282
6283 2005-01-27  Ian Lance Taylor  <ian@airs.com>
6284
6285         PR middle-end/19583
6286         * gimple-low.c (try_catch_may_fallthru): New static function.
6287         (block_may_fallthru): Handle TRY_CATCH_EXPR.
6288         * tree-inline.c (expand_call_inline): Don't warn about reaching
6289         the end of a non-void function being inlined if the function uses
6290         a return slot.
6291
6292 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
6293
6294         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
6295
6296         PR c/18946
6297         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
6298         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
6299         (implicitly_declare): Handle error_mark_node.
6300
6301 2005-01-27  Richard Henderson  <rth@redhat.com>
6302
6303         PR tree-opt/14329
6304         * tree.h (struct tree_decl): Add debug_expr_is_from.
6305         (DECL_DEBUG_EXPR_IS_FROM): New.
6306         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6307         * dwarf2out.c (dwarf2out_var_location): Update to match.
6308         * tree-outof-ssa.c (create_temp): Likewise.
6309         * var-tracking.c (track_expr_p): Likewise.
6310         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6311         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6312         * toplev.c (default_tree_printer): Likewise.
6313
6314 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
6315
6316         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6317         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6318
6319 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6320
6321         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6322         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6323         ASM_CLOBBERS): Add tree checks.
6324
6325         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6326         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6327         * c-common.def (SWITCH_STMT): Update to match.
6328         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6329         macros instead of SWITCH_EXPR ones.
6330         * c-dump.c (c_dump_tree): Likewise.
6331         * c-gimplify.c (gimplify_switch_stmt): Likewise.
6332         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6333
6334         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6335
6336 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
6337
6338         * unwind-dw2.c (execute_stack_op): Add missing cases for
6339         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6340
6341 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
6342
6343         * config.gcc (Obsolete configurations): Remove 'dummy', add
6344         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6345         sparc-*-openbsd*.
6346
6347 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
6348
6349         PR tree-optimization/19633
6350         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6351         CALL_EXPRs.
6352         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6353         are no call-clobbered variables.
6354         * tree-outof-ssa.c (check_replaceable): Return false for calls
6355         with side-effects.
6356
6357 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6358
6359         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6360         even for variables with NULL DECL_INITIAL.
6361
6362 2005-01-26  Stuart Hastings  <stuart@apple.com>
6363
6364         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6365
6366 2005-01-26  Richard Henderson  <rth@redhat.com>
6367
6368         PR middle-end/18008
6369         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6370         field's type.
6371         * expr.c (store_field): Strip conversions to odd-bit-sized types
6372         if the destination field width matches.
6373
6374 2005-01-26  Richard Henderson  <rth@redhat.com>
6375
6376         * c-decl.c, expmed.c, expr.c: Revert last change.
6377
6378 2005-01-26  Richard Henderson  <rth@redhat.com>
6379
6380         PR middle-end/18008
6381         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6382         field's type.
6383         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6384         if we don't need the bits above those present in the current mode.
6385         * expr.c (store_field): Strip conversions to odd-bit-sized types
6386         if the destination field width matches.
6387
6388 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6389
6390         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6391         either -ffast-math or -funsafe-math-optimizations is in use.
6392
6393 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6394
6395         PR target/19293
6396         PR target/19329
6397         * config/avr/avr.c (notice_update_cc): Only set condition code for
6398         ashrqi3 if shift count > 0.
6399         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6400         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6401         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6402         count <= 0 as a no-op, and shift count >= width by copying zero
6403         or sign bit to all bits of the result.
6404         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6405         count, with attribute "length" set to 0 and "cc" set to "none".
6406
6407 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6408
6409         * doc/invoke.texi: Document -mTLS.
6410
6411         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6412         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6413         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6414         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6415         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6416         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6417         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6418         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6419
6420         * configure.ac: Check for a TLS capable gas.
6421
6422         * configure: Regenerate.
6423
6424 2005-01-26  Richard Henderson  <rth@redhat.com>
6425
6426         PR middle-end/18008
6427         * combine.c (make_field_assignment): Simplify store to zero_extract
6428         from a source with an overlapping mask.
6429
6430 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6431
6432         2004-11-11  Eric Christopher  <echristo@redhat.com>
6433
6434         * config/frv/frv.md: Add fr400_integer automaton. Don't
6435         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6436         to TYPE_MACC.
6437
6438 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6439
6440         PR middle-end/16585
6441         * cfgbuild.c (make_edges): Do not clear or set
6442         current_function_has_computed_jump.
6443         * function.h (struct function): Remove the has_computed_jump field.
6444         (current_function_has_computed_jump): Do not define.
6445         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6446         in a computed jump.  Ignore current_function_has_computed_jump.
6447
6448 2005-01-26  Richard Henderson  <rth@redhat.com>
6449
6450         PR middle-end/19515
6451         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6452         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6453         fully initialized.
6454         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6455         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6456         objects into static storage if they have more than one non-zero value.
6457         * tree.h (categorize_ctor_elements): Update decl.
6458
6459 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6460
6461         PR middle-end/19616
6462         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6463         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6464         to this function from 2004-07-10.
6465         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6466         the current function for tail call optimizations if the address
6467         of one of it its arguments is taken.
6468
6469 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6470
6471         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6472
6473 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6474
6475         * function.c (expand_function_end): If current_function_calls_alloca,
6476         emit stack restore in a place that is reached when the function falls
6477         through at the end.
6478
6479 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6480
6481         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6482         rule to avoid matching inappropriate suffix rule.
6483
6484 2005-01-26  Jan Hubicka  <jh@suse.cz>
6485
6486         PR tree-optimization/19241
6487         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6488
6489 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6490
6491         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6492         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6493         of doubling.
6494         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6495         <sim*>: Always use crt1.o, regardless of N in simN.
6496         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6497         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6498         (CRT_CALL_STATIC_FUNCTION): Remove.
6499         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6500         use crt1.o, regardless of N in simN.
6501         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6502         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6503         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6504         case isystem setting.
6505         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6506
6507 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6508
6509         * gimple-low.c (block_may_fallthru): Correct handling of
6510         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6511
6512 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6513
6514         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6515         handlers to match indentation; nested under the mtune=* handler.
6516         Similar for mcpu= and march=.
6517
6518 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6519
6520         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6521         * config/mips/linux64.h (LIB_SPEC): Likewise.
6522         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6523         * config/sh/linux.h (LIB_SPEC): Likewise.
6524
6525 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6526
6527         * config/frv/frv.c (frv_legitimize_tls_address): New.
6528         (TARGET_HAVE_TLS): Define.
6529         (FRV_SYMBOL_REF_TLS_P): Define.
6530         (frv_override_options): Handle new register classes.
6531         (frv_legitimate_address_p): Reject tls addresses.
6532         (frv_legitimize_address): Handle TLS addresses.
6533         (gen_inlined_tls_plt): New.
6534         (gen_tlsmoff): New.
6535         (frv_legitimize_tls_address): New.
6536         (unspec_got_name): Add TLS entries.
6537         (got12_operand): Add R_FRV_TLSMOFF12 case.
6538         (frv_emit_move): Fixup TLS addresses.
6539         (frv_emit_movsi): Legitimize TLS addresses.
6540
6541         * config/frv/frv.h (MASK_BIG_TLS): New.
6542         (TARGET_BIG_TLS): New.
6543         (HAVE_AS_TLS): Define.
6544         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6545         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6546         (REG_CLASS_NAMES): Same.
6547         (REG_CLASS_CONTENTS): Same.
6548         (CONSTRAINT_LEN): New.
6549         (REG_CLASS_FROM_CONSTRAINT): New.
6550         (PREDICATE_CODES): Add symbolic_operand.
6551
6552         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6553         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6554         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6555         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6556         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6557         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6558         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6559         GR9_REG, GR14_REG, LRREG.
6560         (type): Add load_or_call attribute.
6561         ("load_or_call"): New reservation.
6562         ("call_gettlsoff"): New.
6563         ("tls_indirect_call"): New.
6564         ("tls_load_gottlsoff12"): New.
6565         ("tlsoff_hilo"): New.
6566         ("tls_tlsdesc_ldd"): New.
6567         ("tls_tlsoff_ld"): New.
6568         ("tls_lddi"): New.
6569
6570         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6571
6572         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6573
6574         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6575         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6576         * config/frv/frv.c (TLS_BIAS): Define.
6577         (frv_output_dwarf_dtprel): New.
6578
6579 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6580
6581         PR rtl-optimization/19579
6582         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6583         both A and B, see if they don't clobber registers the other expr uses.
6584
6585 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6586
6587         * real.c (do_add): Initialize signalling and canonical members.
6588
6589         * real.c (real_from_integer): Zero out destination.
6590
6591 2005-01-18  Jan Hubicka  <jh@suse.cz>
6592
6593         PR tree-optimize/19337
6594         * tree-inline.c (initialize_inlined_parameters): Copy
6595         saved_static_chain_decl only.
6596
6597 2005-01-25  Richard Henderson  <rth@redhat.com>
6598
6599         PR target/19556
6600         PR target/19584
6601         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6602         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6603         80387 enabled, to return a proper subclass.  Return the subset that
6604         overlaps with GENERAL_REGS for PLUS.
6605         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6606
6607 2005-01-25  Richard Henderson  <rth@redhat.com>
6608
6609         PR middle-end/19609
6610         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6611
6612 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6613
6614         * expmed.c (choose_multiplier): Change interface to return the
6615         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6616         (expand_divmod): Update calls to choose_multiplier.
6617
6618 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6619
6620         PR middle-end/19330
6621         * expmed.c (extract_bit_field): Use adjust_address instead of
6622         gen_lowpart when op0 is a MEM.
6623
6624 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6625
6626         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6627
6628 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6629
6630         * config/mips/irix-csr.c: New file.
6631         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6632         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6633         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6634         executables.
6635
6636 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6637
6638         PR bootstrap/19364
6639         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6640         sparc/elf.h, add sparc/sp-elf.h.
6641         (sparc-*-rtems*): Likewise.
6642         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6643         tm-dwarf2.h, add sparc/sp-elf.h.
6644         (sparc86x-*-elf): Likewise.
6645         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6646         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6647         TARGET_OS_CPP_BUILTINS.
6648         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6649         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6650         Undefine it.
6651         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6652         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6653         (SWITCH_TAKES_ARG): Likewise.
6654         (LOCAL_LABEL_PREFIX): Likewise.
6655         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6656         (TARGET_N_FORMAT_TYPES): Delete.
6657         (TARGET_FORMAT_TYPES): Likewise.
6658         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6659         * config/sparc/elf.h: Delete.
6660         * config/sparc/sp-elf.h: New file.
6661
6662 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6663
6664         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6665         * tree-flow.h: Remove the corresponding prototype.
6666         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6667         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6668
6669 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6670
6671         PR target/17751
6672         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6673         for AIX ABI or ELF -fPIC.
6674         (rs6000_emit_load_toc_table): Don't create toc_section here.
6675         (rs6000_xcoff_file_start): Nor here.
6676
6677 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6678
6679         * sh.c (ra.h): Don't #include.
6680         (hard_regs_intersect_p): New function, resurrected from ra.c.
6681
6682         * sh.c: Fix 1996 Copyright.
6683
6684 2005-01-24  Richard Henderson  <rth@redhat.com>
6685             Aldy Hernandez  <aldyh@redhat.com>
6686
6687         * regrename.c (note_sets): Handle subregs.
6688
6689 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6690
6691         PR bootstrap/18058
6692         * genconditions.c (write_header, write_conditions): Elide file if
6693         not GCC >= 3.0.1.
6694
6695 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6696
6697         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6698         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6699         Update copyright.
6700
6701 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6702
6703         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6704         expand_builtin_printf, expand_builtin_fprintf,
6705         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6706         checking against POINTER_TYPE.
6707         (validate_arglist): Handle POINTER_TYPE code by checking
6708         POINTER_TYPE_P.
6709
6710 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6711
6712         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6713         init_rtlanal): New.
6714         (for_each_rtx): Call for_each_rtx_1.
6715         * rtl.h (init_rtlanal): Declare.
6716         * toplev.c (backend_init): Call init_rtlanal.
6717
6718 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6719
6720         * flow.c (propagate_one_insn): Formatting.
6721
6722         PR middle-end/19551
6723         * flow.c (libcall_dead_p): Be more conservative if unsure.
6724         If there are any instructions between insn and call, see if they are
6725         all dead before saying the libcall is dead.
6726
6727 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6728
6729         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6730         operand constraint for operand 0.
6731
6732 2005-01-23  Richard Henderson  <rth@redhat.com>
6733
6734         PR 19486
6735         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6736         edges leading to join block.
6737
6738 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6739
6740         * expmed.c (expand_mult_highpart): Make static.  Change type of
6741         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6742         (expand_divmod): Updates calls to expand_mult_highpart by using
6743         gen_int_mode to pass a CONST_INT rtx.
6744         * rtl.h (expand_mult_highpart): Remove prototype.
6745
6746 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6747
6748         * flow.c (regset_bytes, regset_size): Remove.
6749
6750         * cfganal.c: Fix a reference to Harvey's paper.
6751
6752 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6753
6754         PR rtl-optimization/19464
6755         * tree-optimize.c (init_tree_optimization_passes): Add one more
6756         copyrename pass just before out-of-ssa.
6757
6758 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6759
6760         PR bootstrap/18058
6761         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6762         * ggc-none.c (ggc_free): Define.
6763
6764 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6765
6766         * cse.c (max_reg, max_insn_uid): Remove.
6767         (cse_main): Don't access max_reg or max_insn_uid.
6768
6769         * c-common.c (explicit_flag_signed_bitfields,
6770         lang_statement_code_p, lang_expand_function_end): Remove.
6771         * c-common.h: Remove the corresponding declarations.
6772         * c-opts.c (c_common_handle_option): Remove all write access
6773         to explicit_flag_signed_bitfields.
6774
6775         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6776         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6777         * cgraph.h: Remove the corresponding declaration.
6778
6779         * gcse.c (null_pointer_info): Remove.
6780
6781 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6782             Eric Botcazou  <ebotcazou@libertysurf.fr>
6783
6784         * combine.c (simplify_logical): Only simplify logical expressions
6785         of the form ior(and(x,y),z) by the inverse distributive law if the
6786         result is cheaper than the original.
6787
6788 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6789
6790         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6791         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6792         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6793         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6794         config/freebsd-spec.h, config/arm/arm.h,
6795         config/h8300/h8300.md, config/i386/i386.md,
6796         config/i386/predicates.md, config/i386/sse.md,
6797         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6798         config/vax/vax.md: Fix comment typos.  Follow spelling
6799         conventions.
6800
6801 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6802
6803         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6804         tests, instead of `less than'.
6805
6806 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6807
6808         * function.c (assign_parm_setup_block): When creating a new stack slot
6809         for a parameter, get its alignment from the parameter's DECL_ALIGN
6810         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6811         is at least word aligned.
6812
6813 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6814
6815         PR middle-end/19378
6816         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6817
6818 2005-01-22  Richard Henderson  <rth@redhat.com>
6819
6820         PR target/19506
6821         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6822         in both compare operands.
6823         (movdfcc_1_sse_max): Likewise.
6824         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6825         (movdfcc_1_sse): Likewise.
6826         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6827         scratch register as needed.
6828
6829 2005-01-22  Richard Henderson  <rth@redhat.com>
6830
6831         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6832
6833         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6834
6835 2005-01-22  Richard Henderson  <rth@redhat.com>
6836
6837         * genopinit.c (optabs): Use smin/smax for floating point too.
6838         * doc/md.texi: Update to match.  Clarify that floating point
6839         results are undefined for +0/-0 and NaN.
6840         * doc/rtl.texi: Likewise.
6841         * rtl.def (SMIN, SMAX): Likewise
6842         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6843
6844         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6845         leading 's' to the name.
6846         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6847         smaxxf3, sminxf3): Likewise.
6848         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6849         Likewise.
6850
6851 2005-01-22  Paul Brook  <paul@codesourcery.com>
6852
6853         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6854
6855 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6856
6857         * config/s390/s390.c (struct processor_costs): New fields
6858         dlgr, dlr, dr, dsgfr, dsgr.
6859         (z900_cost, z990_cost): Values for new fields.
6860         (s390_rtx_costs): New cases MEM und COMPARE in switch
6861         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6862         DIV, MOD, UDIV, UMOD.
6863
6864 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6865
6866         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6867         into the register being decremented.
6868         ("doloop_si31", "doloop_di"): Likewise.
6869         ("*doloop_si_long"): Adapt pattern.
6870
6871 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6872
6873         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6874         access registers.
6875         (CLASS_MAX_NREGS): Likewise.
6876
6877 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6878
6879         * doc/tree-ssa.texi (Statement Operands): Add example for new
6880         must-def macro. Note deprecation of old operands interface.
6881
6882 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6883
6884         PR tree-optimization/19484
6885         * tree-cfg.c (remove_fallthru_edge): New function.
6886         (cleanup_control_flow): Remove fallthru edges from calls that are
6887         now known not to return.
6888
6889 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6890
6891         Fix PR tree-optimization/19038
6892         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6893         copies with loop variant ones.
6894
6895 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6896
6897         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6898         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6899         config/alpha/alpha.md, config/alpha/predicates.md,
6900         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6901         config/sparc/sol2.h: Update copyright.
6902
6903         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6904         first label to see if it is a nonlocal label.
6905
6906 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6907             Andrew Pinski  <pinskia@physics.uc.edu>
6908
6909         PR target/19491
6910         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6911         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6912
6913 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6914
6915         * config/rs6000/rtems.h: Update copyright.
6916
6917 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6918
6919         PR target/19548
6920         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6921         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6922         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6923
6924 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6925
6926         PR c/18809
6927         * c-typeck.c (convert_arguments): Check for error_mark_node.
6928
6929 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6930
6931         PR tree-optimization/13000
6932         * tree-inline.c: Include "tree-flow.h".
6933         (expand_call_inline): If warn_return_type, warn if non-void inline
6934         function falls through.
6935         * tree-cfg.c (execute_warn_function_return): Don't warn about
6936         control reaching end if TREE_NO_WARNING is set.  Set
6937         TREE_NO_WARNING.
6938         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6939         has been lowered.
6940         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6941         branch if we don't need one.
6942         * c-typeck.c: Include "tree-flow.h"
6943         (c_finish_bc_stmt): Don't add a goto if the current statement
6944         list doesn't fall through to the current point.
6945
6946 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6947
6948         PR rtl-optimization/576
6949         * real.c (real_arithmetic): Change return type from void to bool
6950         to return an indication that the result may be inexact.
6951         * real.h (real_arithmeric): Update prototype.
6952         * fold-const.c (const_binop):  Don't constant fold floating
6953         point expressions when the user specifies -frounding-math and
6954         the result may depend upon the run-time rounding mode.
6955         (fold_convert_const_real_from_real): Clean-up.
6956         (fold_initializer): Ignore flag_rounding_math for initializers.
6957         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6958         constant fold FP operations with flag_rounding_math if the
6959         result may depend upon the run-time rounding mode.
6960
6961 2005-01-21  Tom Tromey  <tromey@redhat.com>
6962
6963         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6964
6965 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6966
6967         * tree-cfg.c: Fix comment typos.
6968
6969 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6970
6971         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6972         around the call to rest_of_handle_branch_target_load_optimize.
6973
6974 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6975
6976         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6977         (sparc64-*-openbsd*): Likewise.
6978         (sparclite-*-elf*): Include tm-dwarf2.h.
6979         (sparc86x-*-elf*): Likewise.
6980         (sparc64-*-elf*): Likewise.
6981         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6982         (DBX_DEBUGGING_INFO): Likewise.
6983         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6984         (PREFERRED_DEBUGGING_TYPE): Likewise.
6985         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6986         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6987         (PREFERRED_DEBUGGING_TYPE): Likewise.
6988         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6989         (PREFERRED_DEBUGGING_TYPE): Likewise.
6990         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6991
6992 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6993
6994         PR target/18701
6995         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6996
6997 2005-01-20  Paul Brook  <paul@codesourcery.com>
6998
6999         * doc/rtl.texi: Document value extension requirements for CONST_INT.
7000
7001 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7002
7003         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
7004         label is first in a sequence of labels.
7005
7006         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
7007
7008 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
7009             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
7010
7011         * doc/sourcebuild.texi (Test Directives): New.
7012
7013 2005-01-20  Roger Sayle  <roger@eyesopen.com>
7014
7015         * real.c (real_floor): Don't leave the result uninitialized when
7016         mode is VOIDMode, but return the unrounded intermediate value.
7017         (real_ceil): Likewise.
7018
7019 2005-01-20  Paul Brook  <paul@codesourcery.com>
7020
7021         * config/arm/arm.md (insv): Use gen_int_mode.
7022
7023 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
7024
7025         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
7026         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7027         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7028         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7029         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7030
7031 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
7032
7033         Fix PR debug/19124
7034         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
7035         fbreg, so we have to assume we can't.
7036         (loc_descriptor_from_tree_1): Ditto.
7037         (containing_function_has_frame_base): New function.
7038         (add_location_or_const_value_attribute): Use it.
7039         Also try to generate a frame_base from a single element location
7040         list.
7041
7042 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7043
7044         PR tree-optimization/15349
7045         * timevar.def (TV_TREE_MERGE_PHI): New.
7046         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
7047         PHI_WANTED.
7048         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
7049         calls to tree_forwarder_block_p.
7050         (remove_forwarder_block_with_phi, merge_phi_nodes,
7051         gate_merge_phi, pass_merge_phi): New.
7052         * tree-optimize.c (init_tree_optimization_passes): Add
7053         pass_merge_phi.
7054         * tree-pass.h: Add an extern for pass_merge_phi;
7055
7056 2005-01-20  Richard Henderson  <rth@redhat.com>
7057
7058         PR target/19418
7059         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
7060         (_mm_castps_pd, _mm_castps_si128): New.
7061         (_mm_castsi128_ps, _mm_castsi128_pd): New.
7062
7063 2005-01-20  Richard Henderson  <rth@redhat.com>
7064
7065         PR target/19530
7066         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
7067         __builtin_ia32_vec_init_v2si.
7068         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
7069         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
7070         (ix86_init_mmx_sse_builtins): Create it.
7071         (ix86_expand_builtin): Expand it.
7072         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
7073         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
7074         (vec_extractv2si_0, vec_extractv2si_1): New.
7075
7076 2005-01-20  Richard Henderson  <rth@redhat.com>
7077
7078         PR target/16533
7079         * config/i386/i386.c (ix86_expand_push): New.
7080         * config/i386/mmx.md (push<MMXMODE>1): New.
7081         * config/i386/sse.md (push<SSEMODE>1): New.
7082         * config/i386/i386-protos.h: Update.
7083
7084 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7085
7086         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
7087         copyright.
7088
7089 2005-01-20  Richard Henderson  <rth@redhat.com>
7090
7091         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
7092         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
7093
7094 2005-01-19  Richard Henderson  <rth@redhat.com>
7095
7096         PR target/19350
7097         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
7098         to V4SFmode in SSE1 fallback load path.
7099
7100 2005-01-19  Richard Henderson  <rth@redhat.com>
7101
7102         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
7103         in QImode expansion to ix86_expand_vector_set.
7104         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
7105
7106 2005-01-19  Richard Henderson  <rth@redhat.com>
7107
7108         PR target/19511
7109         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
7110         subclass of the input class.
7111         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
7112         Always true for cross-SSE1 classes.  Rationalize conditionals.
7113         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
7114         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
7115         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
7116         (movdi_2): Add MMX/SSE zeros.
7117         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
7118         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
7119         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7120         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
7121         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
7122         (zero_extendsidi2_rex64_1): Remove.
7123         (MOV0 peephole): Check GENERAL_REG_P.
7124
7125 2005-01-19  Richard Henderson  <rth@redhat.com>
7126
7127         PR target/19427
7128         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
7129         shufps elements.
7130         (ix86_expand_vector_extract): Likewise.
7131
7132 2005-01-19  Richard Henderson  <rth@redhat.com>
7133
7134         PR middle-end/19304
7135         * expr.c (emit_move_change_mode): New argument force; use
7136         simplify_gen_subreg if true.
7137         (emit_move_via_alt_mode): Merge into ...
7138         (emit_move_via_integer): ... here.
7139         (emit_move_ccmode): Use emit_move_change_mode directly.
7140
7141 2005-01-19  Richard Henderson  <rth@redhat.com>
7142
7143         PR target/19518
7144         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
7145         (alpha_preferred_reload_class): Handle CONST_VECTOR.
7146         (alpha_emit_set_const_1): Add no_output parameter; don't emit
7147         rtl if true.
7148         (alpha_emit_set_const): Likewise.  Make static.
7149         (alpha_emit_set_long_const): Make static.
7150         (alpha_extract_integer): Split out from alpha_expand_mov.
7151         (alpha_split_const_mov): Likewise.
7152         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
7153         (alpha_legitimate_constant_p): New.
7154         * config/alpha/alpha-protos.h: Update.
7155         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
7156         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
7157         * config/alpha/alpha.md (movsi): Add n alternative.
7158         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
7159         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
7160         (splitters for all of the above): Use alpha_split_const_mov.
7161         * config/alpha/predicates.md (non_add_const_operand): New.
7162         (non_zero_const_operand): New.
7163         (input_operand): Use alpha_legitimate_constant_p after reload.
7164
7165 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7166
7167         PR tree-optimization/19038
7168         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
7169         (add_candidate): Add ivs with increment in latch only if
7170         allow_ip_end_pos_p is true.
7171         (determine_iv_cost): Use empty_block_p.
7172
7173 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
7174
7175         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
7176         (compute_dominance_frontiers): Ditto.
7177
7178 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
7179
7180         PR target/19529
7181         * config/sh/t-rtems: New.
7182         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
7183
7184 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7185
7186         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
7187         the offset of the selected field.
7188
7189 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
7190
7191         * tree-cfg.c (remove_forwarder_block): Fix the check to
7192         prevent a nonlocal label from appearing in the middle of a
7193         basic block.
7194
7195 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
7196
7197         PR rtl-optimization/19462
7198         * reorg.c (find_end_label): Create return insn only if
7199         current_function_epilogue_delay_list is empty.
7200
7201 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
7202
7203         * doc/passes.texi: Remove paragraph mentioning new-ra.
7204
7205 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
7206
7207         PR rtl-optimization/15139
7208         * combine.c: Include params.h.
7209         (count_rtxs): New function.
7210         (record_value_for_reg): If replace_rtx would replace at least
7211         2 occurrences of REG in VALUE and TEM is really large, replace REG with
7212         (clobber (const_int 0)) instead of TEM.
7213         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
7214         * params.h (MAX_LAST_VALUE_RTL): New.
7215         * Makefile.in (combine.o): Depend on $(PARAMS_H).
7216         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
7217
7218         PR c/17297
7219         * c-typeck.c (digest_init): Only call build_vector if all constructor
7220         elements are *_CST nodes.
7221         * gimplify.c (gimplify_init_constructor): Likewise.
7222
7223         PR middle-end/19164
7224         * c-typeck.c (digest_init): Only call build_vector if inside_init
7225         is a CONSTRUCTOR.
7226
7227 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7228
7229         * toplev.c (init_asm_output): Remove dead #ifdef.
7230
7231 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
7232
7233         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
7234
7235 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7236
7237         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
7238         accessing DECL_FUNCTION_CODE.
7239         * dojump.c (do_jump): Likewise.
7240         * gimplify.c (gimplify_call_expr): Likewise.
7241         * predict.c (expr_expected_value): Likewise.
7242         (strip_builtin_expect): Likewise.
7243         * tree-inline.c (estimate_num_insns_1): Likewise.
7244         * tree-ssa-loop-im.c (stmt_cost): Likewise
7245         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
7246         (tree_expr_nonnegative_p): Likewise.
7247
7248 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7249
7250         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
7251         variant of the load_pcrel_sym pattern.
7252         * config/sparc/sparc.md (P macro): Move to the top.
7253         (load_pcrel_sym): Macroize using P.
7254         (save_register_window): Likewise.
7255
7256 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
7257
7258         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
7259         ("sordered"): Same.
7260
7261 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
7262
7263         PR C/19472
7264         * c-typeck.c (build_asm_expr): Strip nops off
7265         input memory operands.
7266
7267 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
7268
7269         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
7270         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
7271         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
7272         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
7273
7274 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
7275
7276         PR target/19379
7277         * config/i386/i386.c (override_options): If the 80387 is disabled,
7278         then do not return FP values using FP registers.
7279
7280 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
7281
7282         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
7283         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
7284         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
7285         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
7286         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
7287         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
7288         output.h, postreload-gcse.c, postreload.c, recog.c,
7289         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
7290         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
7291         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
7292         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
7293         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
7294         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
7295         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
7296         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
7297
7298         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
7299         config/alpha/alpha.c, config/arm/vfp.md,
7300         config/i386/emmintrin.h, config/i386/i386-modes.def,
7301         config/i386/i386-protos.h, config/i386/i386.h,
7302         config/i386/pmmintrin.h, config/i386/ppro.md,
7303         config/i386/predicates.md, config/i386/xmmintrin.h,
7304         config/i860/i860.c, config/ia64/ia64-modes.def,
7305         config/ia64/ia64-protos.h, config/ia64/ia64.h,
7306         config/ia64/ia64.md, config/ia64/itanium1.md,
7307         config/ia64/itanium2.md, config/ia64/predicates.md,
7308         config/iq2000/iq2000.h, config/mips/linux64.h,
7309         config/rs6000/aix41.h, config/rs6000/aix43.h,
7310         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7311         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7312         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7313         config/sparc/linux64.h, config/sparc/litecoff.h,
7314         config/sparc/sp64-elf.h, config/sparc/sparc.c,
7315         config/sparc/sparc.h, config/sparc/sparc.md,
7316         config/sparc/sysv4-only.h: Update copyright.
7317
7318 2005-01-18  Richard Henderson  <rth@redhat.com>
7319
7320         PR target/19496
7321         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7322
7323 2005-01-18  Marc Espie  <espie@openbsd.org>
7324         * config/i386/openbsdelf.h: Typo.
7325
7326 2005-01-18  Richard Henderson  <rth@redhat.com>
7327
7328         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7329         special case for sse.
7330         * config/i386/predicates.md (sse_comparison_operator): Likewise.
7331
7332 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
7333
7334         * tree-inline.c (estimate_num_insns_1): Added cases for
7335         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7336
7337 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7338
7339         PR rtl-optimization/19296
7340         * combine.c (simplify_comparison): Rewrite the condition under
7341         which a non-paradoxical SUBREG of a PLUS can be lifted when
7342         compared against a constant.
7343
7344 2005-01-18  Andi Kleen <ak@muc.de>
7345
7346         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7347         * c.opt (-Wpointer-sign): Add.
7348         * doc/invoke.texi: (-Wpointer-sign): Add.
7349
7350 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7351
7352         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7353         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7354         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7355         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7356         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7357         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7358         for TARGET_MIX_SSE_I387.
7359         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7360         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7361         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7362         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7363         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7364         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7365         TARGET_MIX_SSE_I387.
7366         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7367         from expander.
7368
7369 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7370
7371         PR target/19424
7372         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7373         Add movaps alternative for xmm reg->reg move.
7374
7375 2005-01-17  Jeff Law  <law@redhat.com>
7376
7377         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7378         at the end of the main DOM loop rather than just before DOM exits.
7379
7380 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7381
7382         PR tree-optimization/19121
7383         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7384         adding aliases to a name tag, also add them to the pointer's
7385         type tag.
7386         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7387         sensitive alias info at all.  Only check that the two pointers
7388         have compatible pointed-to sets.
7389         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7390         a pointer's type tag is a superset of the alias set of the
7391         pointer's name tag.
7392
7393 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7394
7395         PR target/19357
7396         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7397         comment to document why.
7398
7399 2005-01-17  Richard Henderson  <rth@redhat.com>
7400
7401         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7402         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7403         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7404         sse2_vmsminv2df3_finite): New.
7405         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7406         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7407         Force op1 into register.
7408
7409 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7410
7411         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7412         bubblestrap from always rebuilding build directory.
7413
7414 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7415
7416         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7417         ("*cmpmem_short"): Likewise.
7418
7419 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7420
7421         * basic-block.h: Document BB_* flags.
7422         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7423         use an sbitmap instead.
7424         * sched-rgn.c (compute_trg_info): Likewise.
7425
7426 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7427
7428         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7429         redundant target_cpu_default and extra_parts lines.  Use the default
7430         "from-abi" ISA.
7431         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7432         (SUBTARGET_EXTRA_SPECS): Delete.
7433         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7434         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7435         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7436         and "n32" for -mabi=n32.
7437
7438 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7439
7440         PR c/5675
7441         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7442         fold constant variables into initial values.
7443
7444 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7445
7446         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7447
7448         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7449         through the statements backward.
7450
7451 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7452
7453         PR middle-end/13127:
7454         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7455         a variable set to the return value of the inlined function.
7456
7457 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7458
7459         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7460         when modes are tieable.
7461
7462 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7463
7464         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7465         of pthread_create to find out if threads are enabled.
7466         * gthr-posix95.h (__gthread_active_p): Likewise.
7467
7468 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7469
7470         * common.opt (-fnew-ra): Remove.
7471         * ra*.*: Remove.
7472         * toplev.h (flag_new_regalloc): Remove.
7473         * Makefile.in (ra*.*): Don't mention.
7474         * passes.c (rest_of_handle_new_regalloc): Remove.
7475         (rest_of_handle_combine, rest_of_compilation): Always consider
7476         flag_new_regalloc as false.
7477         * doc/invoke.texi: Don't document -fnew-ra.
7478
7479 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7480
7481         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7482         last parameter to reg_scan.
7483         * loop.c (loop_optimize): Likewise.
7484         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7485         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7486         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7487         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7488         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7489         * regclass.c (reg_scan): Likewise, for the declaration.
7490         * rtl.h (reg_scan): Likewise, for the prototype.
7491
7492 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7493
7494         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7495         mark_dfs_back_edges.
7496
7497 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7498
7499         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7500         (compute_avail): Uses don't go in tmp_gen.
7501
7502 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7503
7504         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7505         loop to look for a free slot in a page entry.
7506
7507 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7508
7509         PR target/16304
7510         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7511         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7512         just before targetm.asm_out.file_end.
7513         * tree.h (process_pending_assemble_output_defs): Declare.
7514         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7515         New functions.
7516         (assemble_alias): Defer generation of assembly code for defines when
7517         TARGET_DEFERRED_OUTPUT_DEFS is true.
7518         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7519         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7520         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7521
7522 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7523
7524         PR target/19336
7525         * pa.c (pa_scalar_mode_supported_p): New function.
7526         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7527         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7528
7529         * pa-protos.h (prefetch_operand): Delete.
7530         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7531         * pa.c (prefetch_operand): Delete.
7532         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7533         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7534         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7535         and prefetch_nocc_operand.
7536         * pa.md (prefetch): Rework to avoid reload problems handling short
7537         displacements when a cache control completer needs to be provided.
7538         (prefetch_32, prefetch_64): Delete.
7539         (prefetch_cc, prefetch_nocc): New patterns.
7540
7541 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7542
7543         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7544
7545 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7546
7547         PR ada/19388
7548         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7549         exceeds maximum alignment for global common data.
7550         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7551         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7552
7553 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7554
7555         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7556
7557 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7558
7559         * harg-reg-set.h (reg_class_names): Prototype global array.
7560         * regclass.c (reg_class_names): Declare here and initialize to
7561         REG_CLASS_NAMES.
7562         (dump_regclass): Remove local declaration of reg_class_names.
7563         (regclass): Likewise.
7564         * cfg.c (dump_flow_info): Likewise.
7565         * ra-debug.c (reg_class_names): Likewise.
7566         * regrename.c (reg_class_names): Likewise.
7567         * reload.c (reg_class_names): Likewise.
7568         * reload1.c (spill_failure): Likewise.
7569         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7570
7571 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7572
7573         * config/s390/s390.md ("reload_outti"): Remove predicate for
7574         output operand.  Abort if operand is not a MEM.
7575         ("reload_outdi", "reload_outdf"): Likewise.
7576
7577 2005-01-15  Marc Espie  <espie@openbsd.org>
7578
7579         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7580         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7581         * config/openbsd.h:  Fix C++ includes for native configurations.
7582         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7583         Add trampoline support.
7584         * config/i386/openbsdelf.h: New.
7585
7586 2005-01-15  Marc Espie  <espie@openbsd.org>
7587
7588         * collect2.c (main): Explicitly parse -dynamic-linker option.
7589
7590 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7591
7592         PR tree-optimization/19060
7593         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7594         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7595         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7596         and handle extract_range_from_cond returning false.
7597         * fold-const.c (fold): Optimize comparisons with min/max even for
7598         width > HOST_BITS_PER_WIDE_INT.
7599
7600 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7601
7602         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7603         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7604         Remove little endian multilib variants.
7605         Add mips32 multilib variant.
7606
7607 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7608
7609         * explow.c (copy_all_reg, stabilize): Remove.
7610         * expr.h: Remove the corresponding prototypes.
7611
7612         * rtlanal.c (regs_set_between_p): Remove.
7613         * rtl.h: Remove the corresponding prototype.
7614
7615 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7616
7617         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7618         to rs6000_nonimmediate_operand.
7619         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7620         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7621         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7622         rs6000_nonimmediate_operand.
7623         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7624         rs6000_nonimmediate_operand.
7625
7626 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7627
7628         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7629
7630 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7631
7632         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7633         on e500v2.
7634         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7635         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7636
7637         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7638         (rs6k_nonimmediate_operand): New.
7639         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7640         correctly.
7641         (legitimate_lo_sum_address_p): Same.
7642         (rs6000_legitimize_address): Same.
7643         (rs6000_legitimize_reload_address): Same.
7644         (rs6000_legitimate_address): Same.
7645         (spe_build_register_parallel): Pass DF and DC modes in a DI
7646         register.
7647
7648         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7649         to rs6k_nonimmediate_operand.
7650
7651         * config/rs6000/spe.md ("*frob_df_di"): New.
7652         ("*frob_di_df"): New.
7653         ("*frob_di_df_2"): New.
7654         ("*mov_sidf_e500_subreg0"): New.
7655         ("*mov_sidf_e500_subreg4"): New.
7656         ("*movdf_e500_double"): Change predicate to
7657         rs6k_nonimmediate_operand.
7658
7659 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7660
7661         * postreload.c (move2add_note_store): Only call
7662         trunc_int_for_mode on scalar integers.
7663
7664 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7665
7666         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7667         replace BB_VISITED uses.
7668         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7669         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7670         (tree_dce_done): Free visited_control_parents.
7671         (perform_tree_ssa_dce): Allocate and clear it.
7672         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7673         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7674         instead of BB_VISITED.
7675
7676 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7677
7678         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7679         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7680         Remove unused prototypes.
7681
7682 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7683
7684         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7685         64-bit register usage.
7686         (spe_func_has_64bit_regs_p): Add FIXME note.
7687
7688 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7689
7690         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7691         flag_finite_math_only with flag_unsafe_math_optimizations.
7692
7693 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7694
7695         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7696         end-of-stack check.
7697         (__tpf_eh_return): Copy TPF private stack area from the module
7698         boundary stack frame.  Add check for when module addresses are
7699         equal, but no stub address is found.
7700
7701 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7702
7703         PR target/7525
7704         * arm.h (struct machine_function): Add call_via field.
7705         (thumb_call_via_label): Declare.
7706         * arm.c (thumb_call_via_label): New variable.
7707         (thumb_call_reg_needed): New variable.
7708         (arm_output_function_epilogue): For Thumb code, output any per-function
7709         call-indirect trampolines.
7710         (thumb_call_via_reg): New function.
7711         (arm_file_end): New function.
7712         (TARGET_ASM_FILE_END): Call arm_file_end.
7713         (aof_file_end): Likewise.
7714         * arm-protos.h (thumb_call_via_reg): Declare.
7715         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7716         thumb_call_via_reg in normal case.
7717
7718 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7719
7720         PR middle-end/19084
7721         PR rtl-optimization/19348
7722         * recog.c (peephole2_optimize): Do global life update if some peephole
7723         decides it doesn't need at least one of its inputs and that change
7724         influences liveness at the start of the basic block.
7725
7726         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7727         arguments instead of 1.
7728
7729 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7730
7731         PR middle-end/18820
7732         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7733         zero for nested functions needing a static chain or functions
7734         with a non-constant address.
7735
7736 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7737
7738         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7739         (and (sign_extend X) C) into (zero_extend (and X C)).
7740
7741 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7742
7743         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7744
7745 2005-01-13  Richard Henderson  <rth@redhat.com>
7746
7747         PR target/19009
7748         PR target/19250
7749         PR target/19252
7750         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7751         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7752         not just TARGET_SSE.
7753         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7754         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7755         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7756         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7757         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7758         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7759         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7760         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7761         (movdicc_c_rex64): Rename with '*'.
7762         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7763         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7764         (movsfcc_1_387): Rename from movsfcc_1.
7765         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7766         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7767         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7768         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7769         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7770         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7771         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7772         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7773         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7774         sse_movdfcc_const0_4): Remove.
7775         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7776         recognize min/max early.  Update for changed sse cmove patterns.
7777         (ix86_split_sse_movcc): New.
7778         * config/i386/i386-protos.h: Update.
7779
7780 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7781
7782         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7783         (fix_stmt_v_may_defs): Likewise.
7784
7785 2005-01-13  Richard Henderson  <rth@redhat.com>
7786
7787         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7788         for converting the mask.
7789
7790 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7791
7792         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7793         definition to 600.
7794
7795 2005-01-13  Richard Henderson  <rth@redhat.com>
7796
7797         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7798         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7799         IX86_BUILTIN_MOVDQ2Q): Remove.
7800         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7801         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7802         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7803         shuffling.
7804         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7805         (sse2_pextrw): Fix immediate constraint.
7806         (sse2_loadq, sse2_loadq_rex64): Remove.
7807         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7808         Use __builtin_ia32_vec_ext_<size>.
7809         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7810
7811 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7812
7813         * function.c (assign_parm_setup_block): Look inside original
7814         entry_parm when inspecting PARALLEL.
7815
7816 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7817             Joel Sherrill  <joel@oarcorp.com>
7818
7819         PR target/19399
7820         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7821         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7822         rtems_gxx_recursive_mutex_init.
7823         (__gthread_recursive_mutex_lock): New function.
7824         (__gthread_recursive_mutex_trylock): Likewise.
7825         (__gthread_recursive_mutex_unlock): Likewise.
7826
7827 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7828
7829         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7830
7831 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7832
7833         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7834         (ashrti3_internal): Indicate output is early clobber. Generate result
7835         into output rather than first input. Use move for low word of output
7836         if shift count is exactly 64.
7837         (lshrti3_internal): Likewise.
7838
7839 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7840
7841         PR target/18329
7842         PR target/18330
7843         * reload1.c (delete_output_reload): Don't delete an output reload
7844         if the pseudo lives longer than a single basic block.  Adjust and
7845         improve wording of comment.
7846
7847 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7848
7849         PR target/19334
7850         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7851         of TYPE_SIZE where we mean the number of bytes.
7852
7853 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7854
7855         * function.c (assign_parm_setup_block): Relax condition on
7856         multi-register optimization.
7857
7858 2005-01-12  Nick Clifton  <nickc@redhat.com>
7859
7860         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7861         an "in_delay_slot" attribute of "no" to prevent them being used in
7862         delay slots.  This is forbidden because they might generate
7863         exceptions.
7864
7865 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7866
7867         PR target/19389
7868         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7869         with r->Y and Y->r.
7870
7871 2005-01-12  Nick Clifton  <nickc@redhat.com>
7872
7873         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7874         passed on to GAS) but do not define, as GAS no longer supports or
7875         needs the -m2000 option.
7876
7877 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7878
7879         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7880         type as args of unprototyped builtins aren't automatically promoted.
7881         (fold_builtin_abs): Likewise.
7882
7883 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7884
7885         * Makefile.in: Set a `build-warn' variable.
7886
7887 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7888
7889         PR tree-optimization/17949
7890         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7891         (find_interesting_uses_address): Use it.
7892
7893 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7894
7895         * regrename.c (kill_value): Handle subreg's that won't simplify.
7896
7897 2005-01-11  Richard Henderson  <rth@redhat.com>
7898
7899         PR target/13366
7900         * config/i386/i386.h (enum ix86_builtins): Move ...
7901         * config/i386/i386.c: ... here.
7902         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7903         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7904         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7905         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7906         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7907         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7908         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7909         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7910         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7911         IX86_BUILTIN_LOADDDUP): Remove.
7912         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7913         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7914         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7915         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7916         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7917         (ix86_init_builtins): Make static.
7918         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7919         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7920         if all the modes match.  Otherwise, fake it.
7921         (get_element_number, ix86_expand_vec_init_builtin,
7922         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7923         (ix86_expand_builtin): Make static.  Update for changed builtins.
7924         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7925         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7926         (ix86_expand_vector_init_duplicate): New.
7927         (ix86_expand_vector_init_low_nonzero): New.
7928         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7929         Split out from ix86_expand_vector_init; handle integer modes.
7930         (ix86_expand_vector_init): Use them.
7931         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7932         * config/i386/i386-protos.h: Update.
7933         * config/i386/predicates.md (reg_or_0_operand): New.
7934         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7935         (movv2sf_internal): Likewise.  And a splitter to match them all.
7936         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7937         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7938         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7939         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7940         (mmx_pinsrw): Fix operand ordering.
7941         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7942         rather than sse_loadss expander.
7943         (movv2df splitter): Similarly.
7944         (sse_loadss, sse_loadlss): Remove.
7945         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7946         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7947         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7948         (sse3_movddup): Rename with '*'.
7949         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7950         (sse2_loadsd): Remove.
7951         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7952         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7953         (sse2_pinsrw): Fix argument ordering.
7954         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7955         (sse2_stored): Remove 'r' destination.
7956         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7957         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7958         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7959         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7960         vec_extractv16qi, vec_initv16qi): New.
7961
7962         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7963         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7964         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7965         constructor form.
7966         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7967         (_mm_load_si128, _mm_store_si128): Likewise.
7968         (_mm_load1_pd): Use _mm_set1_pd.
7969         (_mm_load_sd): Use _mm_set_sd.
7970         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7971         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7972         (_mm_set_epi64): Use _mm_set_epi64x.
7973         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7974         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7975         _mm_setr_epi8): Use _mm_set_foo form.
7976         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7977         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7978         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7979         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7980         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7981         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7982         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7983         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7984         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7985         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7986         (_mm_movedup_pd): Use _mm_shuffle_pd.
7987         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7988         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7989         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7990         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7991         Use _mm_setzero_ps.
7992         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7993         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7994         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7995         (_mm_store_ps): Use raw dereference.
7996         (_mm_store1_ps): Use _mm_storeu_ps.
7997         (_mm_storer_ps): Use _mm_store_ps.
7998         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7999         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
8000
8001 2005-01-11  Stan Shebs  <shebs@apple.com>
8002
8003         * config/rs6000/rs6000.c (machopic_output_stub): Issue
8004         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
8005
8006 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
8007
8008         PR target/18761
8009         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
8010         Skip all DECLs except for FIELD_DECLs.
8011
8012 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
8013
8014         * config/s390/s390.c (override_options): Return error if
8015         -mbackchain, -mpacked-stack and -mhard-float are used together.
8016         (s390_va_start): Remove the backchain && packed-stack special case.
8017         (s390_gimplify_va_arg): Likewise.
8018         * doc/invoke.texi: Remove the ABI incompatibility note.
8019
8020 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
8021
8022         * config/s390/s390.c (struct s390_frame_layout): Remove
8023         save_backchain_p.
8024         (s390_frame_info, s390_emit_prologue): Replace occurrences of
8025         save_backchain_p with TARGET_BACKCHAIN.
8026
8027 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8028
8029         PR target/18916
8030         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
8031         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
8032         * function.c (locate_and_pad_parm): Set new field.
8033         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
8034         Tweak where_pad test to include "none".  Always set mem align for
8035         stack_parm.
8036         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
8037         not sufficient for type.
8038         (assign_parm_setup_block): If stack_parm is zero on entry, always
8039         make a new stack local.  Block move old stack parm if necessary
8040         to new aligned stack local.
8041         (assign_parm_setup_stack): Use a block move to handle
8042         potentially misaligned entry_parm.
8043         (assign_parms_unsplit_complex): Specify required alignment when
8044         creating stack local.
8045         * calls.c (compute_argument_addresses): Override alignment of stack
8046         arg calculated from its type with the alignment given by
8047         FUNCTION_ARG_BOUNDARY.
8048         (store_one_arg): Likewise.
8049
8050 2005-01-11  Jan Beulich  <jbeulich@novell.com>
8051
8052         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
8053         Change respective itanium_class attribute to ialu.
8054         (shladdp4_internal): New.
8055         * config/ia64/predicates.md (shladd_log2_operand): New.
8056
8057 2005-01-11  Richard Henderson  <rth@redhat.com>
8058
8059         * expr.c (store_constructor): Use rtvec_alloc instead of
8060         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
8061
8062 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
8063
8064         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
8065
8066 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8067
8068         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
8069         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
8070         (TARGET_RWRELOC): Define.
8071         (ia64_rwreloc_section_type_flags): Delete.
8072         (ia64_section_type_flags): New function.
8073         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
8074         (TARGET_RWRELOC): Define.
8075
8076 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
8077
8078         PR target/18987
8079         * config/ia64/ia64.c (process_set): For alloc insn, only call
8080         process_epilogue is !frame_pointer_needed.
8081
8082 2005-01-10  Roger Sayle  <roger@eyesopen.com>
8083
8084         PR c++/19355
8085         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
8086         unary operator and can't be treated as a binary/comparison operator.
8087
8088 2005-01-10  Richard Henderson  <rth@redhat.com>
8089
8090         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
8091         (ix86_return_in_memory): Likewise.
8092         (function_arg_advance):  Likewise.  Mirror structure in function_arg
8093         for choosing register to advance.
8094
8095 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
8096
8097         * tree-vectorizer.c, tree.def: Fix comment typos.
8098
8099 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
8100
8101         * config/s390/s390.c (struct processor_costs): 4 new fields:
8102         ddbr, ddr, debr, der.
8103         (s390_rtx_costs): More precise handling of divide instructions.
8104
8105 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
8106
8107         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
8108
8109 2005-01-10  Jan Beulich  <jbeulich@novell.com>
8110
8111         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
8112         names resulting from -ffunction-sections/-fdata-sections and linkonce
8113         ones.
8114         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
8115         based on the section name. Rearrange the section name comparison logic
8116         slightly so that each section name is compared against at most once.
8117
8118 2005-01-10  Ben Elliston  <bje@au.ibm.com>
8119
8120         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
8121         targets for which -fPIC reduces limitations on the GOT size.
8122
8123 2005-01-09  Falk Hueffner  <falk@debian.org>
8124
8125         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
8126         X/C1 cmpop C2.
8127
8128 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
8129
8130         PR target/18720
8131         * collect2.c (main): Set aixrtl_flag for -brtl option.
8132         (resolve_lib_name): Search for .so file extension before .a
8133         if aixrtl_flag set.
8134
8135 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
8136
8137         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
8138         (vect_analyze_data_refs_alignment): Add dump prints.
8139
8140 2005-01-09  Ira Rosen  <irar@il.ibm.com>
8141
8142         * tree-vectorizer.c (vect_analyze_offset_expr): Use
8143         expr_invariant_in_loop_p.
8144         Initialize outputs first thing in the function.
8145         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
8146         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
8147         (vect_analyze_pointer_ref_access): Check that the initial condition of
8148         the access function is loop invariant.
8149
8150 2005-01-09  Richard Henderson  <rth@redhat.com>
8151
8152         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
8153         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
8154         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
8155         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
8156         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
8157         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
8158         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
8159         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
8160         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
8161         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8162         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8163         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
8164         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
8165         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
8166         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
8167         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
8168         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8169         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8170         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
8171         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
8172         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
8173         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
8174         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
8175         mmx_ prefix.
8176         (mmx_clrdi, pavgusb): Remove.
8177         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
8178         with leading sse_ prefix.
8179         * config/i386/sse.md: Receive them.
8180         * config/i386/mmx.md: New file.
8181         (MMXMODE12, MMXMODE24, mmxvecsize): New.
8182         (subrv2sf3): Turn into expander for normal subtraction.
8183         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
8184         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
8185         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
8186         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
8187         commutative; use ix86_binary_operator_ok.
8188         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
8189         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
8190         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
8191         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
8192         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
8193         Macroize from existing patterns; use ix86_binary_operator_ok.
8194         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
8195         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
8196         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
8197         with vec_select+vec_concat.
8198         (mmx_pshufw, mmx_pshufw_1): Likewise.
8199         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
8200         (mmx_uavgv4hi3): Model correctly.
8201         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
8202         _mm_xor_si64): Remove casts.
8203
8204 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
8205
8206         PR tree-optimization/19224
8207         * tree-scalar-evolution.c (get_instantiated_value,
8208         set_instantiated_value): New functions.
8209         (instantiate_parameters_1): Cache the results.
8210         (instantiate_parameters, resolve_mixers): Initialize and free
8211         the cache.
8212
8213 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
8214
8215         * config/i386/i386.md (addhi_4): Correct reference in comment.
8216         (addqi_4): Same.
8217
8218 2005-01-08  Richard Henderson  <rth@redhat.com>
8219
8220         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
8221         (_mm_cvtsi128_si64x): Likewise.
8222         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
8223         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
8224         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
8225         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
8226         * config/i386/i386-protos.h: Update.
8227         * config/i386/i386.c (print_operand): Add 'H'.
8228         (ix86_fixup_binary_operands): Split out from ...
8229         (ix86_expand_binary_operator): ... here.
8230         (ix86_fixup_binary_operands_no_copy): New.
8231         (ix86_expand_fp_absneg_operator): Handle vector mode results.
8232         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
8233         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
8234         (safe_vector_operand): Use CONST0_RTX.
8235         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
8236         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
8237         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
8238         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
8239         special cases.
8240         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
8241         (IX86_BUILTIN_CMPNGESS): New.
8242         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
8243         (attr type): Add sselog1.
8244         (attr unit, attr memory): Handle it.
8245         (movti, movti_internal, movti_rex64): Move near other integer moves.
8246         (movtf, movtf_internal): Move near other fp moves.
8247         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
8248         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
8249         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
8250         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
8251         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
8252         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
8253         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
8254         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
8255         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
8256         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
8257         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
8258         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
8259         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8260         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8261         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
8262         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
8263         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
8264         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
8265         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
8266         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
8267         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
8268         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
8269         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
8270         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
8271         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
8272         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
8273         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
8274         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
8275         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
8276         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
8277         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
8278         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
8279         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
8280         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
8281         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
8282         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
8283         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
8284         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
8285         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
8286         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
8287         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
8288         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
8289         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
8290         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
8291         same time.
8292         (SSEPUSH, push<SSEPUSH>): Remove.
8293         (MMXPUSH, push<MMXPUSH>): Remove.
8294         (sse_movaps, sse_movaps_1, sse_movups): Remove.
8295         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
8296         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
8297         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
8298         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
8299         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
8300         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
8301         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8302         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8303         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8304         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8305         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
8306         (ppro_sse_log_V4SF): Handle sselog1.
8307         * config/i386/predicates.md (const_0_to_1_operand): New.
8308         (const_0_to_255_mul_8_operand): New.
8309         (const_1_to_31_operand): Rename from const_int_1_31_operand.
8310         (const_2_to_3_operand, const_4_to_7_operand): New.
8311         * config/i386/sse.md: New file.
8312         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8313         (sse_movups): Rename from sse_movups_1.
8314         (sse_loadlss): Rename from sse_loadss_1.
8315         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8316         from the name.
8317         (negv4sf2): Use ix86_expand_fp_absneg_operator.
8318         (absv4sf2, negv2df, absv2df): New.
8319         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8320         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8321         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8322         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8323         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8324         (sse3_addsubv4sf3): Model correctly.
8325         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8326         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8327         (sse_movhlps): Model with vec_select+vec_concat.
8328         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8329         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8330         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8331         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8332         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8333         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8334         sse2_pshufhw_1): Likewise.
8335         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8336         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8337         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8338         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8339         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8340         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8341         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8342         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8343         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8344         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8345         sminv8hi3): Mark commutative
8346         operands.  Use ix86_binary_operator_ok.
8347         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8348         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8349         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8350         sse2_punpcklqdq): Allow operand2 in memory.
8351         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8352         sse2_movsd): Add memory alternatives.
8353         (sse_storelps): Turn expander into an insn; split after reload.
8354         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8355         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8356
8357 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8358
8359         * configure.ac (DWARF-2 debug_line): Use objdump.
8360         * configure: Regenerate.
8361
8362 2005-01-08  Jeff Law  <law@redhat.com>
8363             Diego Novillo  <dnovillo@redhat.com>
8364
8365         PR tree-optimization/18241
8366         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8367         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8368         statements with volatile operands.
8369         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8370         operands after marking a statement with has_volatile_ops.
8371
8372 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8373
8374         * tree.c (int_fits_type_p): Always honor integer constant
8375         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8376
8377 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8378
8379         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8380         the latent bug in rtl_delete_block has been resolved.
8381
8382 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8383
8384         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8385         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8386
8387 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8388
8389         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8390         library as @multilib_dir@/$(SHLIB_SONAME).
8391
8392 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8393
8394         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8395         * configure: Regenerate.
8396
8397 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8398
8399         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8400         TYPE_MODE.
8401
8402 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8403
8404         PR target/13674
8405         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8406         Convert non-word aligned offset address using ld/std into
8407         indirect address.
8408
8409 2005-01-07  Richard Henderson  <rth@redhat.com>
8410
8411         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8412
8413 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8414
8415         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8416
8417 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8418
8419         PR tree-optimization/19283
8420         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8421         is not shorter than the original type.
8422
8423         PR rtl-optimization/19012
8424         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8425
8426         PR rtl-optimization/18861
8427         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8428         (FULL_STATE): Define.
8429         (mark_tablejump_edge): New function.
8430         (purge_dead_tablejump_edges): New function.
8431         (find_bb_boundaries): Use it.
8432
8433         PR tree-optimization/18828
8434         * builtins.c (expand_builtin_next_arg): Remove argument and all
8435         the argument checking.
8436         (expand_builtin): Adjust caller.
8437         (expand_builtin_va_start): Likewise.  Remove error for too many
8438         arguments.
8439         (fold_builtin_next_arg): Issue error for too many arguments.
8440         After checking arguments, replace them with magic arguments that
8441         prevent further checking of the args.
8442
8443 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8444
8445         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8446
8447 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8448
8449         PR target/6077
8450         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8451         and %{.S:...} (and their negative variants) to test whether the
8452         input file is assembler or pre-processed-assembler independent of
8453         the actual filename extension.
8454
8455 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8456
8457         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8458         of sign or zero extended values.
8459
8460 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8461
8462         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8463         for IBM long double format correctly.
8464
8465 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8466
8467         Fix PR tree-optimization/18792
8468
8469         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8470         to first_loop_depth, and use loop depth instead of loop number.
8471         (build_classic_dir_vector): Ditto.
8472         (compute_data_dependences_for_loop): Use depth, not loop number.
8473         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8474         number. Pass in loops, instead of loop numbers.
8475         (gather_interchange_stats): Ditto.
8476         (linear_transform_loops): Ditto.
8477
8478 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8479
8480         PR rtl-opt/13299
8481         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8482         biv_fits_mode_p, extension_within_bounds_p): New functions.
8483         (check_ext_dependent_givs): Use them.
8484
8485 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8486
8487         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8488         more than one barrier, in which case we should delete them all.
8489
8490 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8491
8492         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8493
8494 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8495
8496         Fix PR middle-end/19286
8497         Fix PR debug/19267
8498         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8499         output this subprogram, simply ignore this attempt to do it again.
8500         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8501         origin attribute if it's not possible.
8502         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8503         (decls_for_scope): Ditto.
8504         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8505         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8506
8507 2005-01-05  Richard Henderson  <rth@redhat.com>
8508
8509         PR target/11327
8510         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8511         (bdesc_2arg): Use it.
8512         (ix86_expand_binop_builtin): Force operands into registers
8513         when optimizing.
8514         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8515         ix86_expand_sse_compare, ix86_expand_sse_comi,
8516         ix86_expand_builtin): Likewise.
8517
8518 2005-01-05  Richard Henderson  <rth@redhat.com>
8519
8520         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8521         and VEC_SELECT.
8522         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8523         (mulv4hi3): Set itanium_class mmmul.
8524         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8525         (fpack): Rename from fpack_sfsf.
8526
8527 2005-01-05  Richard Henderson  <rth@redhat.com>
8528
8529         PR rtl-opt/10692
8530         * reload1.c (do_input_reload): Restrict the optimization deleteing
8531         a previous output reload to RELOAD_FOR_INPUT.
8532
8533 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8534
8535         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8536         comment that we fall through after case.
8537         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8538         (distribute_links): Likewise.
8539         * cse.c (cse_insn): Likewise.
8540         * cselib.c (cselib_invalidate_mem): Likewise.
8541         * df.c: Update comments at the top of the file.
8542         (read_modify_subreg_p): Update comments here too.
8543         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8544         * flow.c (mark_set_1): Likewise.
8545         (mark_used_regs): Likewise.
8546         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8547         (canon_list_insert): Likewise.
8548         (mark_set): Likewise.
8549         (try_replace_reg): Likewise.
8550         (store_killed_in_insn): Likewise.
8551         * loop.c (count_one_set): Likewise.
8552         (basic_induction_var): Likewise.
8553         * postreload-gcse.c (find_mem_conflicts): Likewise.
8554         * postreload.c (reload_combine_note_store): Likewise.
8555         (move2add_note_store): Likewise.
8556         * reload.c (find_equiv_reg): Likewise.
8557         (mark_referenced_resources): Likewise.
8558         * rtlanal.c (set_noop_p): Likewise.
8559         (note_stores): Likewise.
8560         (note_uses): Likewise.
8561         * sched-deps.c (sched_analyze_1): Likewise.
8562         * sched-rgn.c (check_live_1): Likewise.
8563         (update_live_1): Likewise.
8564         * config/i860/i860.c: Likewise.
8565
8566         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8567         an lvalue.
8568         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8569
8570         * doc/rtl.texi: Update documentation for bit-fields and SET.
8571
8572 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8573
8574         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8575
8576 2005-01-05  Jan Hubicka  <jh@suse.cz>
8577             Richard Henderson  <rth@redhat.com>
8578
8579         PR target/18910
8580         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8581         with an offset.
8582
8583 2005-01-05  Richard Henderson  <rth@redhat.com>
8584
8585         PR target/12902
8586         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8587         (sse_shufps): Change operand 3 to const_int_operand.
8588         (sse2_storelps): Fix typo in template.
8589         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8590         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8591         (ix86_expand_builtin): Likewise.
8592
8593 2005-01-05  Julian Brown  <julian@codesourcery.com>
8594
8595         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8596         as aggregates for AAPCS ABIs.
8597
8598 2005-01-05  Stan Shebs  <shebs@apple.com>
8599
8600         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8601         Mach-O getters if ppc64.
8602         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8603         size argument.
8604         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8605         signed four-byte field for global code case.
8606         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8607
8608 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8609
8610         PR middle-end/19100
8611         * c-common.c: Include real.h.
8612         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8613         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8614         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8615         * Makefile.in (c-common.o): Update dependencies.
8616
8617 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8618
8619         * c-parse.in (asm_string): Add trailing semicolon.
8620
8621 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8622
8623         * c-parse.in (asm_string): New.  Don't allow wide strings in
8624         'asm'.
8625         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8626         asm_string instead of STRING.
8627
8628 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8629
8630         * c-typeck.c (constructor_no_implicit): Remove.
8631         (set_designator, process_init_element): Don't check
8632         constructor_no_implicit.
8633
8634 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8635             Kaz Kojima  <kkojima@gcc.gnu.org>
8636
8637         PR target/16482
8638         * lcm.c (create_pre_exit): New.
8639         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8640         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8641
8642 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8643
8644         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8645         -msoft-float in target_float_switch.
8646         * arm.c (arm_override_options): Fix processing of target_float_switch.
8647
8648 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8649
8650         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8651         preferencing.
8652
8653 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8654
8655         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8656         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8657
8658 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8659
8660         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8661         if deleting the then-block allows the test-block to fallthru to the
8662         else-block.
8663
8664 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8665
8666         PR c/19152
8667         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8668         after the full declaration if the are in two different TUs.
8669
8670 2005-01-04  Richard Henderson  <rth@redhat.com>
8671
8672         PR tree-opt/19158
8673         * tree-sra.c (generate_one_element_init): Just
8674         call gimplify_and_add.
8675         (generate_element_init): Record the
8676         new referenced variables and mark them for renaming
8677         and split out to ...
8678         (generate_element_init_1): This.
8679         (scalarize_init): Don't call push_gimplify_context/
8680         pop_gimplify_context.
8681
8682 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8683
8684         * toplev.c (get_src_pwd): Handle failure of getpwd().
8685
8686 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8687
8688         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8689         of TRUTH_NOT_EXPR.
8690         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8691         all the cases handled by it are inverted by invert_truthvalue.
8692
8693 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8694
8695         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8696         (save_register_windowsi): Likewise.
8697
8698 2005-01-04  Richard Henderson  <rth@redhat.com>
8699
8700         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8701
8702 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8703
8704         PR middle-end/17767
8705         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8706         any simplifications of vector mode comparison operators.
8707         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8708
8709 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8710             Devang Patel  <dpatel@apple.com>
8711
8712         PR tree-optimization/18308
8713         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8714         the operands before creating a new expression.
8715         * dojump.c (do_jump): Make drop_through_label available
8716         for all cases.  Add expansion of COND_EXPR.
8717
8718 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8719
8720         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8721         INTEGER_CST instead of TREE_CONSTANT.
8722         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8723         instead of TREE_CONSTANT.
8724         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8725         instead of TREE_CONSTANT.
8726
8727 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8728
8729         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8730
8731 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8732
8733         PR target/19240
8734         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8735         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8736
8737 2005-01-03  Richard Henderson  <rth@redhat.com>
8738
8739         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8740         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8741         fold_convert_const_real_from_real): Split out from ...
8742         (fold_convert_const): ... here.
8743
8744 2005-01-03  Richard Henderson  <rth@redhat.com>
8745
8746         PR target/19235
8747         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8748         (mov<MMXMODEI>_internal): Likewise.
8749         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8750         Add V2SF case; use it for SSE1; don't use TI.
8751         (movdf_integer): Likewise.
8752         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8753
8754 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8755
8756         * tree-vectorizer.c (vect_strip_conversions): New function.
8757         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8758         check for binary class.
8759
8760 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8761
8762         Fix PR debug/17924
8763         Fix PR debug/19191
8764         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8765         is a decl.
8766         * gimple-low.c (mark_blocks_with_used_vars): New function.
8767         (mark_blocks_with_used_subblocks): Ditto.
8768         (mark_used_blocks): Ditto.
8769         (pass_mark_used_blocks): New pass.
8770         * tree-inline.c: Include debug.h.
8771         (expand_call_inline): Call outlining_inline_function here.
8772         * tree-optimize.c (init_tree_optimization_passes): Add
8773         pass_mark_used_blocks.
8774         * tree-pass.h (pass_mark_used_blocks): New.
8775         * Makefile.in (tree-inline.o): Add debug.h dependency.
8776
8777 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8778
8779         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8780         VAR_DECLs to have weak_import attribute.
8781
8782         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8783         'struct ucontext'.
8784
8785 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8786
8787         * passes.c (rest_of_compilation): Don't run regmove if only
8788         flag_expensive_optimizations, require flag_regmove instead.
8789
8790 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8791
8792         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8793         register "sparc".
8794         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8795         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8796         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8797         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8798
8799 2005-01-03  Richard Henderson  <rth@redhat.com>
8800
8801         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8802         (ia64_const_ok_for_letter_p): New.
8803         (ia64_const_double_ok_for_letter_p): New.
8804         (ia64_extra_constraint): New.
8805         (ia64_expand_vecint_compare): New.
8806         (ia64_expand_vcondu_v2si): New.
8807         (ia64_expand_vecint_cmov): New.
8808         (ia64_expand_vecint_minmax): New.
8809         (ia64_print_operand): Add 'v'.
8810         (ia64_preferred_reload_class): New.
8811         (ia64_vector_mode_supported_p): New.
8812         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8813         (PREFERRED_RELOAD_CLASS): Move to function.
8814         (CONST_OK_FOR_LETTER_P): Move to function.
8815         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8816         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8817         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8818         (EXTRA_CONSTRAINT): Move to function.
8819         * config/ia64/ia64.md: Include vect.md.
8820         (itanium_class): Add mmalua.
8821         (type): Handle it.
8822         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8823         (1b_mmalua): New.
8824         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8825         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8826         CONST0_RTX.
8827         (const_int_2bit_operand): New.
8828         (fr_reg_or_0_operand): New.
8829         * config/ia64/ia64-modes.def: Add vector modes.
8830         * config/ia64/ia64-protos.h: Update.
8831         * config/ia64/vect.md: New file.
8832
8833 2005-01-03  Richard Henderson  <rth@redhat.com>
8834
8835         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8836
8837 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8838
8839         PR target/19236
8840         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8841         to SFmode.
8842         (log1pdf2): Change mode of operands[0,1] to DFmode.
8843
8844 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8845
8846         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8847         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8848         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8849         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8850         SPARC_RELAXED_ORDERING.
8851
8852 2005-01-03  Richard Henderson  <rth@redhat.com>
8853             Uros Bizjak  <uros@kss-loka.si>
8854
8855         PR target/14631
8856         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8857         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8858         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8859         handling.
8860         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8861         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8862         const_pow2_1_to_128_operand): New predicates.
8863
8864 2005-01-02  Greg McGary  <greg@mcgary.org>
8865
8866         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8867         anonymous decls.
8868         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8869         object.  [ptr_type]: Remove unused variable.
8870         Remember nearest addressable array-element or record-component
8871         when checking bitfield components.  Tolerate empty BIND_EXPR.
8872
8873 2005-01-01  Richard Henderson  <rth@redhat.com>
8874
8875         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8876         that don't narrow the value.  Fail for other conversions.
8877
8878 2005-01-01  Richard Henderson  <rth@redhat.com>
8879
8880         PR c/19031
8881         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8882         * c-lang.c (finish_file): Don't do it here.
8883         * objc/objc-act.c (objc_finish_file): Likewise.
8884
8885         * cgraph.c (decl_assembler_name_equal): New.
8886         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8887         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8888         * cgraph.h (struct cgraph_varpool_node): Add next.
8889         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8890         * varasm.c (assemble_alias): Mark the target as needed.
8891
8892 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8893
8894         PR middle-end/19221
8895         * function.c (get_arg_pointer_save_area): Use entry_of_function
8896         instead of get_insns.
8897
8898 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8899             Andrew Pinski  <pinskia@physics.uc.edu>
8900             James E. Wilson  <wilson@specifixinc.com>
8901
8902         PR rtl-optimization/12092
8903         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8904         is zero.
8905
8906 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8907             Olivier Hainque  <hainque@act-europe.fr>
8908
8909         * tree.c (int_fits_type_p): A narrower type always fits in a
8910         wider one, except for negative values into unsigned types.
8911
8912 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8913
8914         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8915         with the original constant rather than require TREE_OVERFLOW.
8916
8917 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8918
8919         PR middle-end/17544
8920         * c-decl.c (finish_function): If compiling C99, annotate the
8921         compiler generated return with the current file name and line 0.
8922         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8923         the source line is greater than 0.
8924         (remove_bb): Likewise.
8925
8926 See ChangeLog.12 for earlier changes.