* tree-vectorizer.c: Fix comment typos.
[official-gcc.git] / gcc / ChangeLog
blob8591b39961879f8f455d4f8258e8f16e953b9956
1 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3         * tree-vectorizer.c: Fix comment typos.
5 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
7         * tree-scalar-evolution.c (instantiate_parameters_1): Return 
8         as soon as a chrec_dont_know is detected.
10 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
12         Merge from csl-arm-branch.
13         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
15         * tlink.c (recompile_files): Do not assume that "rename" can
16         overwrite an existing file.
18 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
20         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
21         * gcc/configure: Regenerate.
23 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
25         * doc/install.texi: Update binutils requirement for powerpc*-linux.
27         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
29         * calls.c (struct arg_data): Update "partial" comment.
30         (load_register_parameters): Update "nregs" comment.
32 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
34         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
35         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
36         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
37         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
38         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
39         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
40         than target_flags & 0.
41         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
42         (iq2000_arch, iq2000_parse_cpu): Delete.
43         (TARGET_HANDLE_OPTION): Override default.
44         (iq2000_handle_option): New function.
45         (override_options): Remove -march= and -mcpu= handling.
46         * config/iq2000/iq2000.opt: New file.
48 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
50         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
51         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
52         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
53         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
54         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
55         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
56         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
57         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
58         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
59         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
60         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
61         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
62         (c4x_rpts_cycles_string, c4x_cpu_version_string)
63         (TARGET_OPTIONS): Delete.
64         (c4x_rpts_cycles, c4x_cpu_version): Declare.
65         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
66         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
67         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
68         (c4x_cpu_version_string): Delete.
69         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
70         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
71         equivalent -mcpu= option.
72         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
73         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
74         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
75         or clearing the appropriate MASK_* bit.
76         (c4x_file_start): Use c4x_cpu_version.
77         * config/c4x/c4x.opt: New file.
79 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
81         * doc/options.texi: Document the new MaskExists flag.
82         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
83         if the option has the MaskExists flag.
85 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
87         * opt-functions.awk (flag_set_p, test_flag): New functions.
88         (switch_flags): Use them.
89         * opth-gen.awk: Use flag_set_p to check for flags.
90         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
92 2005-03-30  Ian Lance Taylor  <ian@airs.com>
94         * config.host (i[34567]86-*-mingw32*): Don't set
95         host_can_use_collect2 to no.
97 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
99         PR target/20203
100         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
101         Remove convert_memory_address call duplicating that in memory_address.
103 2005-03-29  Richard Henderson  <rth@redhat.com>
105         PR c/20519
106         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
107         (build_compound_literal): Likewise.  Propagate decl type into the
108         initializer.
109         (finish_decl): Likewise.  Use new return value from complete_array_type
110         for zero sized arrays.
111         (complete_array_type): Move ...
112         * c-common.c (complete_array_type): ... here.  Change first argument
113         to pointer-to-type-node.  Consistently use sizetype for the index
114         except for zero sized arrays.  Detect zero sized arrays for pedantic
115         mode diagnostics.  Create a new type node instead of modifying the
116         old node in place.
117         * c-tree.h (complete_array_type): Move decl ...
118         * c-common.h (complete_array_type): ... here.
120 2005-03-29  Richard Henderson  <rth@redhat.com>
122         PR tree-opt/19108
123         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
125 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
127         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
128         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
129         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
130         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
132 2005-03-29  Eric Christopher  <echristo@redhat.com>
134         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
135         truthvalue conversion removal.
137 2005-03-29  Ian Lance Taylor  <ian@airs.com>
139         PR bootstrap/14316
140         * collect2.c: Never include <vfork.h>.
141         (VFORK_STRING, vfork): Don't define.
142         (pid): Remove global variable.
143         (handler): Call raise instead of kill (getpid(), ...).
144         (collect_wait): Add pex parameter.  Change all callers.  Use
145         pex_get_status rather than pwait.
146         (do_wait): Add pex parameter.  Change all callers.
147         (collect_execute): Return struct pex_obj * rather than void.  Use
148         pex routines rather than pexecute.
149         (fork_execute): Get pex_obj from collect_execute, and pass it to
150         do_wait.
151         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
152         Only declare quit_handler if SIGQUIT is defined.
153         (scan_libraries): Likewise.
154         * collect2.h (collect_execute): Update declaration.
155         (collect_wait): Update declaration.
156         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
157         pass it to collect_wait.
159 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
161         PR c/20672
162         * c-parser.c (c_parser_compound_statement_nostart): Give error
163         message for EOF instead of just setting parser->error.
165 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
167         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
168         (slpeel_update_phi_nodes_for_guard1): New function.
169         (slpeel_update_phi_nodes_for_guard2): New function.
170         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
171         of slpeel_update_phi_nodes_for_guard.
172         (vectorize_loops): Remove call to loop_closed_rewrite.
173         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
174         assertion.
176 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
178         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
179         (TARGET_LITTLE_ENDIAN): New macro.
180         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
181         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
182         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
183         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
184         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
185         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
186         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
187         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
188         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
189         (TARGET_OPTIONS): Delete.
190         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
191         (CACHE_FLUSH_TRAP): Turn into an integer.
192         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
193         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
194         -mflush-trap is in use.
195         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
196         (m32r_cache_flush_trap_string): Delete.
197         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
198         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
199         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
200         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
201         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
202         -mmodel= and -msdata= handling from...
203         (m32r_init): ...here.
204         * config/m32r/m32r.opt: New file.
206 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
208         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
209         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
210         * tree-vect-analyze.c (vect_object_analysis): additional parm
211         pass back a "struct ptr_info_def *" with the points-to info.
212         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
213         statement using info returned from vect_object_analysis.
214         * tree-vect-transform.c (update_vuses_to_preheader): New function.
215         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
216         for virtual uses and defs when creating a replacement vector
217         reference.  Call duplicate_ssa_name_ptr_info to define points-to
218         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
219         (vectorizable_store): copy_virtual_operands and update
220         definition statements.
221         (vectorizable_load): copy_virtual_operands.  Remove call to
222         mark_call_clobbered_vars_to_rename for call to "const" builtin.
223         * tree-vectorizer.c (vectorize_loops): Remove calls to
224         rewrite_into_ssa and bitmap_clear (vars_to_rename).
225         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
226         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
227         define macro STMT_VINFO_PTR_INFO for use in accessing.
228         * tree.h add export of duplicate_ssa_name_ptr_info.
229         * rs6000.c (altivec_init_builtins): Declare builtin function
230         __builtin_altivec_mask_for_load to be "const".
232 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
234         PR middle-end/20622
235         * cgraph.h (struct cgraph_varpool_node): Add alias field.
236         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
237         assemble_variable on aliases.
238         * varasm.c (assemble_alias): Set node->alias.
239         * toplev.c (wrapup_global_declarations): Don't call
240         rest_of_decl_compilation on aliases again.
242 2005-03-29  Paul Brook  <paul@codesourcery.com>
244         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
245         * config/arm/arm.c (arm_dbx_register_number): New function.
246         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
248 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
250         PR middle-end/20263
251         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
252         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
254 2005-03-29  Dale Johannesen <dalej@apple.com>
256         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
257         $(TREE_H) and $(COVERAGE_H).
258         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
259         * opts.c (common_handle_option): Enable tree-based value transforms.
260         * toplev.c (process_options): Ditto.
261         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
262         refers to references to this type.
263         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
264         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
265         for may_be_more, may_be_less.
266         (rtl_gen_pow2_profiler): Adjust.
267         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
268         (rtl_gen_one_value_profiler): Adjust.
269         (rtl_gen_const_delta_profiler): Adjust.
270         * tree-profile.c (tree_gen_interval_profiler): Implement.
271         (tree_gen_pow2_profiler): Ditto.
272         (tree_gen_one_value_profiler): Ditto.
273         (tree_profiling): New.
274         (pass_tree_profile): Reference it.
275         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
276         tree.h, gcov-io.h.
277         (insn_divmod_values_to_profile): Rename to 
278         rtl_divmod_values_to_profile. Adjust.
279         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
280         (insn_prefetch_values_to_profile): Adjust.
281         (rtl_value_profile_transformations): Adjust.
282         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
283         (gen_mod_pow2): Rename to rtl_mod_pow2.
284         (gen_mod_subtract): Rename to rtl_mod_subtract.
285         (divmod_fixed_value_transform): Rename to 
286         rtl_divmod_fixed_value_transform.
287         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
288         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
289         (rtl_find_values_to_profile): Adjust.
290         (tree_value_profile_transformations): Implement.
291         (tree_divmod_values_to_profile): New.
292         (tree_values_to_profile): New.
293         (tree_divmod_fixed_value): New.
294         (tree_mod_pow2): New.
295         (tree_mod_subtract): New.
296         (tree_divmod_fixed_value_transform): New.
297         (tree_mod_pow2_value_transform): New.
298         (tree_mod_subtract_transform): New.
299         (tree_find_values_to_profile): Implement.
300         * profile.c (instrument_values):  Free histograms.
301         (compute_value_histograms): Adjust. Implement tree version.
303 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
305         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
306         * config/i386/i386.c (output_fix_trunc): Add new round_mode
307         variable.  Output "fldcw" depending on round_mode.
308         * config/i386/i386.md (UNSPEC_FIST): New.
309         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
310         New isns patterns to implement lrint and llrint built-ins as x87
311         intrinsic function.
312         (fistdi2, fist<mode>2 splitters): New splitters.
313         (lrint<mode>2): New expanders.
315 2005-03-28  Ian Lance Taylor  <ian@airs.com>
317         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
318         0 when calling final_scan_insn.
320 2005-03-28  Jan Hubicka  <jh@suse.cz>
322         PR middle-end/20635
323         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
324         as needed.
326         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
327         types where possible.
329 2005-03-26  Per Bothner  <per@bothner.com>
331         Make -f[no-]show-column also control non-cpp diagnostics.
332         * c.opt (fshow-column): Move option from here ...
333         * common.opt (fshow-column): ... to here.
334         * diagnostic.c (diagnostic_build_prefix): Only print column number
335         if flag_show_column.
337 2005-03-27  Steven Bosscher  <stevenb@suse.de>
339         * vax-protos.h (vax_output_int_move, vax_output_int_add,
340         vax_output_conditional_branch): New prototypes.
341         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
342         extracted from vax.md mov and add patterns.
343         (vax_output_conditional_branch): New function to output conditional
344         branch instructions.
345         * vax.md: Use mode macros for arithmetic and mov patterns.
346         Use code macros for the jump patterns.
348 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
350         * Makefile.in (libbackend.o): Depend on version files;
351         add custom generation command.
353 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
355         PR target/20636
356         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
357         sure that we have a REG before getting its REGNO.
359 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
361         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
362         * builtins.def (BUILT_IN_STRNDUP): New.
364 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
366         PR tree-optimization/20470
367         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
368         ABS(x-y).
370 2005-03-25  Mike Stump  <mrs@apple.com>
372         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
373         sized objects.
375 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
377         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
378         Use our own structure definitions.
380         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
381         (fix_truncdfsi2): Allow registers or memory as destination.
382         When TARGET_PPC_GFXOPT, generate simplified pattern.
383         (fix_truncdfsi2_internal): Use define_insn_and_split.
384         (fix_truncdfsi2_internal_gfxopt): New.
385         (fctiwz): Don't confuse register allocation by giving it no choices.
386         (stfiwx): New.
387         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
388         (EXTRA_MEMORY_CONSTRAINT): Likewise.
389         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New. 
390         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
392 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
394         * dominance.c (free_dominance_info): Speed up by freeing et
395         data structures without maintaining other nodes.
396         * et-forest.c (et_free_tree_force): New.
397         * et-forest.h: Add a prototype for et_free_tree_force.
399         * tree.c (get_set_constructor_bits,
400         get_set_constructor_bytes): Remove.
401         * tree.h: Remove the corresponding prototypes.
403 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
405         PR target/15491
406         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
407         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
408         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
409         PRE_DEC, NEG and NOT.
411 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
413         * fold-const.c: Convert uses of fold (build (...)) to
414         fold_buildN.
416 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
418         PR rtl-optimization/20249
419         * cse.c (insert_regs): Do not record equivalence of registers in
420         different modes.
422 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
424         * emit-rtl.c (reverse_comparison): Remove.
425         * rtl.h: Remove the corresponding prototype.
427 2005-03-24  James E Wilson  <wilson@specifixinc.com>
429         * doc/install.texi (--enable-altivec): Delete docs.
431 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
433         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
434         SFmode and DFmode before reload when
435         flag_unsafe_math_optimizations not enabled.
437 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
439         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
441         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
442         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
444 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
446         * configure.ac (enable-checking): Add 'runtime' option.
447         * doc/install.texi (enable-checking): Document 'runtime' checking.
448         * tsystem.h (gcc_assert, gcc_unreachable): Define.
449         * config.in: Regenerated.
450         * configure: Regenerated.
452 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
454         * optabs.h (enum optab_index): Remove OTI_llrint.
455         (llrint_optab): Remove macro.
456         * optabs.c (init_optabs): Remove llrint_optab initialization.
457         * genopinit.c (optabs): Remove llrint_optab implementation.
458         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
459         using lrint_optab.
461 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
463         PR rtl-optimization/20532
464         * simplify-rtx.c (simplify_binary_operation_1): Protect from
465         overflow when adding coefficients for PLUS or MINUS.
466         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
467         two as multiplier.
469 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
471         * langhooks.h (truthvalue_conversion): Remove.
472         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
473         LANG_HOOKS_TRUTHVALUE_CONVERSION.
474         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
475         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
476         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
478 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
480         * params.def: Fix a typo.
481         * config/mips/mips.c: Follow the spelling convensions.
482         * doc/invoke.texi: Fix typos.
484 2005-03-18  Dale Johannese  <dalej@apple.com>
486         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
488 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
490         Fix PR tree-optimization/20601
492         * tree-ssa-pre.c (insert_aux): Add missing condition to
493         constification.
495 2005-03-23  Ian Lance Taylor  <ian@airs.com>
497         * final.c (final_scan_insn): Don't remove no-op instructions.
498         * reload1.c (reload): Remove simple no-op instructions even when
499         not optimizing.
501 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
503         PR tree-optimization/20501
504         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
505         reporting that peeling for alignment is applied moved to...
506         * (vect_analyze_data_refs_alignment): Here.
508 2005-03-23  Ian Lance Taylor  <ian@airs.com>
510         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
512 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
514         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
515         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
517 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
519         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
520         imply that this is called once, independent of asms in code.
521         Adjust to now being pased output and input lists.  Mention helper
522         function decl_overlaps_hard_reg_set_p.
523         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
524         hook_tree_tree_identity and to take three trees, returning third.
525         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
526         prototype.
527         * stmt.c: include hard-reg-set.h before tree.h.
528         (decl_overlaps_hard_reg_set_p): New function, broken out from...
529         (decl_conflicts_with_clobbers_p): Call
530         decl_overlaps_hard_reg_set_p.
531         (expand_asm_operands): Pass output and input lists in call to
532         targetm.md_asm_clobbers.
533         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
534         hook_tree_tree_tree_tree_3rd_identity.
535         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
536         parameters.
537         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
538         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
539         parameters, first two unused.
540         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
541         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
542         in constraint letters and MOF is not mentioned as a asm-declared
543         register in neither of the input and output lists.
545 2005-03-23  DJ Delorie  <dj@redhat.com>
547         * optabs.c (expand_binop): Make sure the first subword's result
548         gets stored.
550 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
552         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
553         Call c_common_truthvalue_conversion rather than
554         lang_hooks.truthvalue_conversion.
555         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
556         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
557         c-typeck.c.
558         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
559         c_common_truthvalue_conversion.
560         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
561         c_parser_conditional_expression, c_parser_binary_expression): Call
562         c_objc_common_truthvalue_conversion.
563         * c-typeck.c (build_unary_op): Call
564         c_objc_common_truthvalue_conversion.
565         (build_conditional_expr): Do not call
566         lang_hooks.truthvalue_conversion.
567         (build_binary_op): Call c_common_truthvalue_conversion.
568         (c_objc_common_truthvalue_conversion): Moved from
569         c-objc-common.c.  Call default_function_array_conversion instead
570         of default_conversion.
572 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
574         * c-common.h (default_conversion): Remove.
575         (perform_integral_promotions): Add.
576         * c-tree.h (default_conversion): Add.
577         * c-typeck.c (perform_integral_promotions): New, split out from
578         default_conversion.
579         * c-common.c (check_case_value): Use perform_integral_promotions,
580         not default_conversion.
581         (c_add_case_label): Don't continue processing case label after
582         found to be pointer.
584 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
586         * gcc.c (do_spec_1): Do not add a -L path for a directory in
587         the prefix list if we have already added a multilib directory
588         based on that path.
589         (main): Do not add MD_EXEC_PREFIX to the list of directories to
590         search with -L.
592 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
594         * reload1.c (indirect_symref_ok, reload_obstack): Make them
595         static.
596         * reload.h: Remove the prototype for indirect_symref_ok.
598         * reload1.c (indirect_symref_ok): Make it global.
599         * reload.h: Add a prototype for indirect_symref_ok.
601 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
603         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
604         ashlhi3 expander.
606 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
608         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
610 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
612         * c-opts.c (c_common_parse_file): Only start/end main source file
613         if debug hooks says the writer wants it.
614         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
615         member.
616         (xcoff_debug_hooks): Ditto.
617         * debug.c (do_nothing_hooks): Ditto.
618         * debug.h (gcc_debug_hooks): Ditto.
619         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
620         * sdbout.c (sdb_debug_hooks): Ditto.
621         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
622         
623 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
625         * doc/extend.texi: Deprecate C++ min/max operators.
627 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
629         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
630         artificial original candidates.
632 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
633             Jan Hubicka  <jh@suse.cz>
634             Steven Bosscher <stevenb@suse.de>
636         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
637         call cost based on argument sizes.
638         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
639         inlining.
640         * params.def: (max-inline-inssn-single): Set to 450.
641         (max-inline-insns-auto): Set to 90.
642         (max-inline-insns-recursive): Set to 450
643         (max-inline-insns-recursive-auto): Set to 450.
644         (large-function-insns): Set to 2700.
645         (inline-call-cost): New parameter.
646         * tree-inline.c (estimate_move_cost): New function.
647         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
648         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
649         based on arguments.
650         * tree-inline.h (estimate_move_cost): Declare.
651         * invoke.texi: (max-inline-inssn-single): Change default to 450.
652         (max-inline-insns-auto): Change default to 90.
653         (max-inline-insns-recursive): Change default to 450
654         (max-inline-insns-recursive-auto): Change default to 450.
655         (large-function-insns): Change default to 2700.
656         (inline-call-cost): Document new parameter.
658 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
660         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
661         (TARGET_DEFAULT): Delete.
662         * config/i860/i860.opt: New file.
664 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
666         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
667         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
668         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
669         (frv_sched_lookahead): Delete.
670         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
671         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
672         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
673         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
674         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
675         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
676         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
677         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
678         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
679         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
680         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
681         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
682         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
683         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
684         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
685         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
686         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
687         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
688         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
689         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
690         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
691         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
692         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
693         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
694         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
695         (frv_sched_lookahead): Delete.
696         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
697         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
698         (frv_handle_option): New function.  Move -mcpu= handling from...
699         (frv_override_options): ...here.  Remove handling of other
700         TARGET_OPTIONS.
701         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
702         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
703         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
704         and TARGET_NO_MULTI_CE.
705         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
706         !TARGET_VLIW_BRANCH.
707         * config/frv/frv.opt: New file.
709 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
711         * fold-const.c (fold_ternary): Take decomposed arguments of
712         CALL_EXPR.
713         (fold): Update a call to fold_ternary.
715         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
716         * tree.h: Add corresponding prototypes.
718 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
720         PR target/20561
721         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
722         between jump table and its label.
723         * final.c (shorten_branches): Handle notes in between ADDR_VEC
724         resp. ADDR_DIFF_VEC and the label preceeding it.
725         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
726         is emitted in the right section.
728 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
730         * fold-const.c (fold_unary, fold_binary): Update comments
731         about arguments.
733 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
735         PR rtl-optimization/20527
736         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
737         REG_INC note, test that the register also isn't mentioned in PRED
738         or SUCC.
740 2005-03-22  Ben Elliston  <bje@au.ibm.com>
742         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
743         and definition.
745 2005-03-21  Mike Stump  <mrs@apple.com>
747         * varasm.c (default_assemble_visibility): Remove extra ().
749 2005-03-21  Roger Sayle  <roger@eyesopen.com>
751         PR middle-end/20557
752         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
753         to determine whether a block can be duplicated, rather than test
754         whether the block contains noncopyable insns ourselves.
756 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
758         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
759         predicates.
761 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
763         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
765 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
767         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
768         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
769         * config/fr30/fr30.opt: New file.
771 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
772         
773         Fix PR tree-optimization/20542
775         * tree-flow-inline.h (overlap_subvar): Move to here.
776         * tree-ssa-operands.c: From here.
777         * tree-flow.h (overlap_subvar): Declare.
778         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
779         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
780         for variables with subvars.
781         
782 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
784         PR middle-end/20177
785         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
786         * modulo-sched.c (const_iteration_count): Return on NULL
787         pre-header.
788         (print_node_sched_params): Return on NULL dump_file.
789         (generate_reg_moves): Handle reg-anti dependencies and disregard
790         closing branch when generating register moves.
791         (sms_schedule): Mark the SMSed block dirty.
792         * passes.c (rest_of_handle_sms): Call update_life_info for all
793         basic-blocks.
794         * testsuite/gcc.dg/20050321-1.c: New test.
796 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
798         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
799         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
800         movqi_internal): Likewise.
802 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
804         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
805         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
806         xtensa_b4const): Delete prototypes.
807         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
808         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
809         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
810         xtensa_extra_constraint): New prototypes.
811         (add_operand, arith_operand, nonimmed_operand, mem_operand,
812         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
813         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
814         move_operand, const_float_1_operand, fpmem_offset_operand,
815         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
816         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
817         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
818         argument type to HOST_WIDE_INT.
819         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
820         xtensa_mask_immediate): Likewise.
821         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
822         Likewise.  Also make these functions static.
823         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
824         (xtensa_const_ok_for_letter_p): New.
825         (add_operand, arith_operand, nonimmed_operand, mem_operand,
826         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
827         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
828         move_operand, const_float_1_operand, fpmem_offset_operand,
829         branch_operator, ubranch_operator, boolean_operator): Move to
830         predicates.md.
831         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
832         (xtensa_mem_offset): Change return type to bool.
833         (xtensa_extra_constraint): New.
834         (gen_int_relational): Update type of const_range_p function pointer.
835         Use xtensa_b4const_or_zero.
836         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
837         xtensa_const_ok_for_letter_p.  Update comments.
838         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
839         (PREDICATE_CODES): Delete.
840         * config/xtensa/xtensa.md: Include predicates.md.
841         * config/xtensa/predicates.md: New file.
843 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
845         * config/v850/v850-protos.h: Remove the prototypes for
846         reg_or_int9_operand, reg_or_const_operand,
847         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
848         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
849         movsi_source_operand, power_of_two_operand,
850         not_power_of_two_operand, special_symbolref_operand,
851         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
852         register_is_ok_for_epilogue.
853         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
854         reg_or_int9_operand, reg_or_const_operand,
855         call_address_operand, special_symbolref_operand,
856         movsi_source_operand, power_of_two_operand,
857         not_power_of_two_operand, register_is_ok_for_epilogue,
858         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
859         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
860         predicates.md.
861         * config/v850/v850.h (PREDICATE_CODES): Remove.
862         * config/v850/v850.md: Include predicates.md.
863         * config/v850/predicates.md: New.
865 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
867         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
868         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
869         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
870         (itoolsdir, itoolsdatadir): Move definition above new first use.
871         (install-itoolsdirs): New rule.
872         (install-mkheaders): Depend on install-itoolsdirs, not
873         install-include-dir.
875 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
877         * tree-into-ssa.c: Remove obsolete comments.
879 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
881         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
882         unrolling if -fpeel-loops is specified, too.
883         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
884         Remove superfluous check for flag_unroll_loops.
886 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
888         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
889         (lrint_optab, llrint_optab): Define corresponding macros.
890         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
891         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
892         pattern and llrint_optab using llrintdi2 patterns.
893         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
894         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
895         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
896         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
897         flag_unsafe_math_optimizations is set.
899 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
901         * combine.c (combine_simplify_rtx, simplify_if_then_else,
902         simplify_logical, if_then_else_cond, known_cond,
903         simplify_comparison): Adjust calls to reverse_comparison.
904         Don't use combine_reversed_comparison_code).
905         (combine_reversed_comparison_code): Remove.
906         (reversed_comparison): Using reversed_comparison_code, move it...
907         * jump.c (reversed_comparison): ... here.
908         * rtl.h (reversed_comparison): Add prototype.
910 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
912         * builtins.c (fold_builtin): Take decomposed arguments of
913         CALL_EXPR.
914         * fold-const.c (fold_ternary): Update a call to fold_builtin.
915         * gimplify.c (gimplify_call_expr): Likewise.
916         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
917         * tree.h: Update the prototype of fold_builtin.
919 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
921         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
922         * rtlhooks.c (gen_lowpart_no_emit_general): New.
923         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
924         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
925         * simplify-rtx.c (simplify_binary_operation_1): Use it.
927 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
929         * builtins.c (fold_builtin_1): Take decomposed arguments of
930         CALL_EXPR.
931         (fold_builtin): Update a call to fold_builtin_1.
933 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
935         PR other/20564
936         * gcov.c (output_lines): Only output function block summary when
937         outputting branch information.
938         * doc/gcov.texi: Document format of preamble and additional block
939         information lines.
941 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
943         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
944         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
945         the defaults false if BITS_PER_UNIT != 8.
946         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
947         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
948         than BITS_PER_UNIT != 8.
949         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
950         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
951         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
952         #undefs.
953         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
954         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
956 2005-03-20  Roger Sayle  <roger@eyesopen.com>
958         PR middle-end/20539
959         * fold-const.c (fold_binary): Fix type mismatch between
960         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
961         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
962         for non-truth-valued expressions.
964         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
965         and FUNCTION_DECL in the main switch.
966         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
967         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
968         we also need to convert their operands to match.
969         <TRUTH_NOT_EXPR>: Likewise.
971 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
973         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
974         diagnostic without checking whether an lvalue.
975         * c-common.h (lvalue_p): Remove.
976         (enum lvalue_use): Update comment.
977         (lvalue_or_else): Replace by lvalue_error.
978         * c-typeck.c (lvalue_p): Make static.
979         (lvalue_or_else): New.  Call lvalue_error.
981 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
983         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
984         (function_arg_advance): Use rs6000_parm_start.
985         (function_arg, rs6000_arg_partial_bytes): Likewise.
987 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
989         * c-common.c (check_case_value): Adjust comment about stripping
990         NOPs.
991         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
992         * c-typeck.c (default_conversion, convert_arguments,
993         build_modify_expr, convert_for_assignment, store_init_value,
994         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
995         manually.  Remove inaccurate comments.
997 2005-03-20  Roger Sayle  <roger@eyesopen.com>
998             Joseph S. Myers  <joseph@codesourcery.com>
1000         * varasm.c (do_assemble_alias): Restore comment describing function.
1001         Annotate the target parameter as potentially unused.
1003 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1005         PR target/18551
1006         * config/avr/avr.c (avr_output_function_prologue): Do not use
1007         current_function_name() in a label, use a local label instead.
1009 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
1011         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
1012         flag_finite_math_only, not flag_unsafe_math_optimizations.
1014 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
1016         * builtins.c (fold_builtin_1): Update a call to
1017         targetm.fold_builtin.
1018         * hooks.c (hook_tree_tree_bool_null): Rename to
1019         hook_tree_tree_tree_bool_null.  Take one more argument of type
1020         tree.
1021         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
1022         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
1023         hook_tree_tree_tree_bool_null.
1024         * target.h (gcc_target): Update the prototype of fold_builtin.
1025         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
1026         arguments of CALL_EXPR.
1027         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
1028         new prototype.
1030 2005-03-20  Jan Hubicka  <jh@suse.cz>
1032         * cgraph.h (cgraph_node): Add prev_clone pointer.
1033         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
1034         (cgraph_clone_node): Produce doubly linked chain.
1036 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
1038         * c-common.c (handle_aligned_attribute, check_function_sentinel,
1039         get_nonnull_operand, handle_sentinel_attribute,
1040         check_function_arguments_recurse): Do not strip NOPS from
1041         INTEGER_CSTs.
1042         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
1043         Likewise.
1044         * c-format.c (get_constant): Likewise.
1045         * c-parser.c (c_parser_postfix_expression): Likewise.
1046         * c-typeck.c (set_init_index): Likewise.
1047         (convert_arguments): Don't check for NOP_EXPR containing integer
1048         constant.
1050 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
1052         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
1053         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
1054         Take decomposed arguments of CALL_EXPR.
1055         (fold_builtin_1): Update calls to the functions mentioned
1056         above.
1058 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
1060         * c-decl.c (check_bitfield_type_and_width): Require bit-field
1061         width to have integer type.
1062         (build_enumerator): Require enumerator value to have integer type.
1064 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1066         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
1067         to __builtin_inff.
1069 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1071         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
1072         std=iso9899:199x): Correct descriptions.
1074 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
1076         * config.gcc: Consistently use solaris2.1[0-9]* instead of
1077         solaris2.1[0-9].
1079 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
1081         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
1082         of CALL_EXPR.
1083         (expand_builtin_memcpy, fold_builtin_1): Update calls to
1084         fold_builtin_memcpy.
1086         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
1087         arguments of CALL_EXPR.
1088         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
1089         fold_builtin_found, fold_builtin_1): Update calls to
1090         fold_trunc_transparent_mathfn.
1092 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1094         PR middle-end/20493
1095         * fold-const.c (fold_widened_comparison): Don't optimize casts of
1096         function pointers on targets that require function pointer
1097         canonicalization.
1098         (fold_sign_changed_comparison): Likewise.
1100 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1102         * combine.c (try_combine): When changing the mode of a hard reg, make
1103         sure that doing so is valid.
1105 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
1107         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
1108         (TARGET_HANDLE_OPTION): Override default.
1109         (avr_handle_option): New function.
1110         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
1111         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
1112         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
1113         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
1114         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
1115         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
1116         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
1117         (TARGET_OPTIONS): Delete.
1118         * config/avr/avr.opt: New file.
1120 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1122         * config/m32r/m32r-protos.h: Remove the prototypes for
1123         call_address_operand, symbolic_operand, seth_add3_operand,
1124         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1125         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1126         two_insn_const_operand, move_src_operand,
1127         move_double_src_operand, move_dest_operand,
1128         eqne_comparison_operator, signed_comparison_operator,
1129         large_insn_p, conditional_move_operand, carry_compare_operand,
1130         m32r_block_immediate_operand, extend_operand,
1131         reg_or_eq_int16_operand, int8_operand, and
1132         reg_or_zero_operand.
1133         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1134         seth_add3_operand, int8_operand, cmp_int16_operand,
1135         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1136         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1137         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1138         move_double_src_operand, move_dest_operand,
1139         eqne_comparison_operator, signed_comparison_operator,
1140         extend_operand, small_insn_p, large_insn_p,
1141         conditional_move_operand, carry_compare_operand,
1142         m32r_block_immediate_operand): Move to predicates.md.
1143         (MAX_MOVE_BYTES): Move to m32r.h.
1144         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1145         * config/m32r/m32r.md: Include predicates.md.
1146         * config/m32r/predicates.md: New.
1148 2005-03-18  James E Wilson  <wilson@specifixinc.com>
1150         PR c++/19769
1151         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
1152         origin.
1154 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1156         * config/mn10300/mn10300-protos.h: Remove the prototypes for
1157         call_address_operand, const_8bit_operand.
1158         * config/mn10300/mn10300.c (call_address_operand,
1159         const_8bit_operand, const_1f_operand): Move to predicates.md.
1160         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
1161         * config/mn10300/mn10300.md: Include predicates.md.
1162         * config/mn10300/predicates.md: New.
1164 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
1166         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
1167         declarations in diagnostics and %E for identifiers, not %s.
1169 2005-03-18  Jan Hubicka  <jh@suse.cz>
1170             Dale Johannesen  <dalej@apple.com>
1172         * basic-block.h (scale_bbs_frequencies_int,
1173         scale_bbs_frequencies_gcov_type): Declare.
1174         * cfg.c (RDIV): New macro.
1175         (update_bb_frequency_for_threading): Fix.
1176         * basic-block.h (scale_bbs_frequencies_int,
1177         scale_bbs_frequencies_gcov_type): New.
1178         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
1179         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
1180         scale_bbs_frequencies_int.
1181         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
1183 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1185         * config/m32r/m32r-protos.h: Remove the prototypes for
1186         call_address_operand, symbolic_operand, seth_add3_operand,
1187         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1188         reg_or_uint16_operand, reg_or_cmp_int16_operand,
1189         two_insn_const_operand, move_src_operand,
1190         move_double_src_operand, move_dest_operand,
1191         eqne_comparison_operator, signed_comparison_operator,
1192         large_insn_p, conditional_move_operand, carry_compare_operand,
1193         m32r_block_immediate_operand, extend_operand,
1194         reg_or_eq_int16_operand, int8_operand, and
1195         reg_or_zero_operand.
1196         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1197         seth_add3_operand, int8_operand, cmp_int16_operand,
1198         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1199         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1200         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1201         move_double_src_operand, move_dest_operand,
1202         eqne_comparison_operator, signed_comparison_operator,
1203         extend_operand, small_insn_p, large_insn_p,
1204         conditional_move_operand, carry_compare_operand,
1205         m32r_block_immediate_operand): Move to predicates.md.
1206         (MAX_MOVE_BYTES): Move to m32r.h.
1207         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1208         * config/m32r/m32r.md: Include predicates.md.
1209         * config/m32r/predicates.md: New.
1211         * config/pa/pa-protos.h: Add prototypes for magic_milli and
1212         shadd_constant_p.
1213         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
1214         symbolic_operand, symbolic_memory_operand,
1215         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
1216         indexed_memory_operand, move_dest_operand, move_src_operand,
1217         prefetch_cc_operand, prefetch_nocc_operand,
1218         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
1219         arith_operand, arith11_operand, pre_cint_operand,
1220         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
1221         ireg_operand, int5_operand, uint5_operand, int11_operand,
1222         uint32_operand, arith5_operand, and_operand, ior_operand,
1223         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
1224         pc_or_label_operand, div_operand, plus_xor_ior_operator,
1225         shadd_operand, movb_comparison_operator,
1226         cmpib_comparison_operator): Move to predicates.md.
1227         (magic_milli, shadd_constant_p): Make it extern.
1228         * config/pa/pa.h (PREDICATE_CODES): Remove.
1229         * config/pa/pa.md: Include predicates.md.
1230         * config/pa/predicates.md: New.
1232         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
1233         predicate.
1235 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1237         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
1238         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1239         config/alpha/freebsd.h, config/alpha/linux.h,
1240         config/alpha/netbsd.h, config/alpha/osf5.h,
1241         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
1242         config/h8300/h8300-protos.h, config/h8300/h8300.c,
1243         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
1244         doc/cppopts.texi: Update copyright.
1246 2005-03-18  Jan Hubicka  <jh@suse.cz>
1248         PR middle-end/20225
1249         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
1250         too late.
1251         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
1252         called too late.
1254 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1256         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
1257         VEC_safe_push.
1259 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
1261         * combine.c (gen_binary): Remove.
1262         (known_cond, simplify_shift_const, find_split_point,
1263         combine_simplify_rtx, simplify_if_then_else, simplify_set,
1264         simplify_logical, expand_field_assignment, extract_left_shift,
1265         force_to_mode, if_then_else_cond, apply_distributive_law,
1266         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
1267         simplify_comparison, reversed_comparison): Replace with
1268         simplify_gen_binary, simplify_gen_relational or
1269         distribute_and_simplify_rtx.
1270         (distribute_and_simplify_rtx): New function.
1272 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
1273             Paolo Bonzini  <gcc.gnu.org>
1275         * calls.c (setjmp_call_p, special_function_p): Update comments
1276         at the head of the functions.
1278 2005-03-18  Jan Hubicka  <jh@suse.cz>
1280         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
1282         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
1283         function body should be released; do not proactively release function
1284         bodies in non-unit-at-a-time mode.
1286 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
1288         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
1289         mno-fp-ret-in-387 multilib variants.
1291 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
1293         * common.opt (m): Remove.
1294         * opts.c (handle_option): Pass 'm' options to set_target_switch if
1295         table lookup fails.
1296         (common_handle_option): Remove OPT_m case.
1298 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
1300         * builtins.c (fold_builtin_bitop): Take decomposed arguments
1301         of CALL_EXPR.
1302         (fold_builtin_1): Update a call to fold_builtin_bitop.
1304         * builtins.c (fold_builtin_signbit): Take decomposed arguments
1305         of CALL_EXPR.
1306         (fold_builtin_1): Update a call to fold_builtin_signbit.
1308 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
1310         PR tree-optimization/20474
1311         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
1312         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
1314 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1316         * config/h8300/h8300-protos.h: Remove prototypes for
1317         general_operand_src, general_operand_dst, single_one_operand,
1318         single_zero_operand, call_insn_operand,
1319         two_insn_adds_subs_operand, small_call_insn_operand,
1320         jump_address_operand, bit_operand, bit_memory_operand,
1321         stack_pointer_operand, const_int_gt_2_operand,
1322         const_int_ge_8_operand, const_int_qi_operand,
1323         const_int_hi_operand, incdec_operand, bit_operator,
1324         nshift_operator, eqne_operator, gtle_operator,
1325         gtuleu_operator, iorxor_operator.
1326         Add prototypes for h8sx_shift_type h8sx_classify_shift and
1327         h8300_ldm_stm_parallel.
1328         * config/h8300/h8300.c (h8sx_shift_type,): Move to
1329         h8300-protos.h.
1330         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1331         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1332         (h8300_ldm_stm_parallel): Make it extern.
1333         (h8300_ldm_parallel, h8300_stm_parallel,
1334         h8300_return_parallel, general_operand_src,
1335         general_operand_dst, h8300_dst_operand, h8300_src_operand,
1336         nibble_operand, reg_or_nibble_operand, single_one_operand,
1337         single_zero_operand, call_insn_operand,
1338         two_insn_adds_subs_operand, small_call_insn_operand,
1339         jump_address_operand, bit_operand, bit_memory_operand,
1340         stack_pointer_operand, const_int_gt_2_operand,
1341         const_int_ge_8_operand, const_int_qi_operand,
1342         const_int_hi_operand, incdec_operand, eqne_operator,
1343         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1344         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1345         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1346         nshift_operator): Move to predicates.md.
1347         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1348         * config/h8300/h8300.md: Include predicates.md.
1349         * config/h8300/predicates.md: New.
1351 2005-03-17  Richard Henderson  <rth@redhat.com>
1353         * config.gcc (ia64*-*-hpux*): Add extra_options.
1354         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1355         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1356         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1357         (ia64_tls_size_string, ia64_tune_string): Remove.
1358         (ia64_tune): Init to PROCESSOR_ITANIUM2.
1359         (TARGET_DEFAULT_TARGET_FLAGS): New.
1360         (TARGET_HANDLE_OPTION): New.
1361         (ia64_override_options): Move options parsing ...
1362         (ia64_handle_option): ... here.  New.
1363         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1364         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1365         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1366         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1367         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1368         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1369         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1370         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1371         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1372         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1373         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1374         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1375         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1376         TARGET_EARLY_STOP_BITS): Remove.
1377         (TARGET_ILP32): Default false.
1378         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1379         (enum ia64_inline_type): New.
1380         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1381         * config/ia64/ia64.md: Update for new definitions of
1382         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1383         * config/ia64/ia64.opt: New file.
1384         * config/ia64/ilp32.opt: New file.
1386 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1388         PR target/18380
1389         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1391 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1393         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1394         instead of MASK_H8300S.
1395         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1396         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1397         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1398         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1399         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1400         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1401         TARGET_SWITCHES): Remove.
1402         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1403         TARGET_H8300SX.
1404         * config/h8300/h8300.opt: New.
1406         * config/alpha/alpha.opt, config/arc/arc.opt,
1407         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1408         notices.
1410 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1412         * gmon.c: Remove.
1414 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1416         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1417         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1418         (TARGET_HANDLE_OPTION): Override default.
1419         (arc_handle_option): New function.
1420         (arc_init): Remove code to set arch_cpu_string.
1421         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1422         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1423         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1424         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1425         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1426         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1427         (arc_rodata_string, TARGET_OPTIONS): Delete.
1428         * config/arc/arc.opt: New file.
1430 2005-03-17  Richard Henderson  <rth@redhat.com>
1432         * doc/extend.texi (Weak Pragmas): New section.
1433         (attribute alias): Clarify that target must be in the same
1434         translation unit.
1436 2005-03-17  Richard Henderson  <rth@redhat.com>
1438         * config/alpha/alpha.opt: New file.
1439         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1440         of alpha_cpu.
1441         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1442         alpha_fprm_string, alpha_fptm_string): Make static.
1443         (alpha_tls_size_string): Remove.
1444         (alpha_handle_option): New.
1445         (override_options): Update for alpha_cpu/alpha_tune split.
1446         (alpha_file_start): Likewise.
1447         (TARGET_DEFAULT_TARGET_FLAGS): New.
1448         (TARGET_HANDLE_OPTION): New.
1449         * config/alpha/alpha.h (alpha_tune): Declare.
1450         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1451         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1452         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1453         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1454         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1455         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1456         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1457         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1458         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1459         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1460         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1461         (TARGET_DEFAULT): Remove MASK_FP.
1462         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1463         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1464         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1465         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1466         alpha_tls_size_string): Remove.
1467         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1468         (attribute tune): Rename from attribute cpu.
1469         * config/alpha/ev4.md: Update to match.
1470         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1471         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1472         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1473         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1474         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1475         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1477 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1479         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1480         and return without creating new state if before_nops_num is nonzero.
1481         * config/ia64/ia64.md (first_insn): New attribute.
1482         (alloc): Set it to yes.
1484 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1486         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1487         STMT_VINFO_SUBVARS to NULL.
1488         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1490 2005-03-16 Dale Johannesen  <dalej@apple.com>
1492         * rtlanal.c (find_first_parameter_load):  Rewrite to
1493         return actual first param load or the call if none,
1494         instead of first in block, when not all loads exist.
1496 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1498         * optabs.c (expand_copysign_absneg): Make static.
1499         * optabs.h (expand_copysign_absneg): Delete prototype.
1500         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1502 2005-03-16  Richard Henderson  <rth@redhat.com>
1504         PR middle-end/15700
1505         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1506         (alias_pairs): Rename from output_defs.
1507         (find_decl_and_mark_needed): Split out from assemble_alias.
1508         (do_assemble_alias): New.
1509         (assemble_output_def): Remove.
1510         (finish_aliases_1, finish_aliases_2): New.
1511         (process_pending_assemble_output_defs): Remove.
1512         (assemble_alias): Defer aliases for which we don't yet have a
1513         non-external decl for the target symbol.
1514         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1515         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1516         * toplev.c (compile_file): Use finish_aliases_2 instead of
1517         process_pending_assemble_output_defs.
1518         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1519         (process_pending_assemble_output_defs): Remove.
1521 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1523         Fix PR tree-optimization/20489
1525         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1526         for empty structures.
1528 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1530         Fix PR tree-optimization/20490
1532         * tree-ssa-pre.c (create_expression_by_pieces): Use
1533         force_gimple_operand on result of fold.
1535 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1537         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1538         of closing parenthesis.
1540 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1542         * builtins.c (expand_movstr): Update a call to
1543         fold_builtin_strcpy.
1544         (expand_builtin_strncpy): Update a call to
1545         fold_builtin_strncpy.
1546         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1547         arguments of CALL_EXPR.
1548         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1549         fold_builtin_strncpy.
1550         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1551         * tree.h: Update the prototypes of fold_builtin_strcpy and
1552         fold_builtin_strncpy.
1554 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1555             Dorit Naishlos  <dorit@il.ibm.com>
1557         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1558         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1559         error.
1561 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1563         * tree-inline.c (walk_type_fields, walk_tree,
1564         walk_tree_without_duplicates): Move from here...
1565         * tree.c: ...to here.
1567 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1569         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1570         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1571         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1572         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1573         (version): Define using $(BASEVER_c).
1574         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1575         version.c.
1576         (version.o): Depend on version files; add custom generation command.
1577         (prefix.o): Define BASEVER on command line.
1578         (s-iov): Depend on version files; adjust command.
1579         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1580         Add gcc-vers.texi.
1581         (gcc-vers.texi): New rule.
1582         (doc/%.info, doc/%.dvi): Add -I . to command line.
1583         (doc/gccinstall.dvi): Likewise.
1584         (PACKAGE): Delete.  All uses replaced with "gcc".
1585         * aclocal.m4: Do not include gcc-version.m4.
1586         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1587         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1588         Set is_release based on contents of DEV-PHASE.
1589         Set gcc_version based on contents of BASE-VER.
1590         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1591         * config.in, configure: Regenerate.
1592         * gccbug.in: Determine version of GCC in use at runtime.
1593         * gcov-iov.c: Get version number and development phase from
1594         command line, not by including version.c.
1595         * intl.c: Replace all uses of PACKAGE with "gcc".
1596         * libada-mk.in: Delete unused "gcc_version" variable.
1597         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1598         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1599         commentary to match.
1600         (version_string): Put together from pieces.
1601         * config/alpha/x-vms: Do not use $(gcc_version).
1602         * config/i386/t-nwld: Likewise.
1603         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1604         version-GCC and DEVELOPMENT.
1606 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1608         PR tree-optimization/17454
1609         * tree.c (tree_size): Add case for TREE_BINFO.
1610         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1611         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1613 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1615         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1616         op1 whilst expanding the signed widenening multiply variant.
1618 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1620         * toplev.c (display_target_options): Avoid unused variable warning if
1621         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1622         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1623         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1624         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1625         (mips_isa_info): New variable.
1626         (mips_parse_cpu): Remove the first argument and leave the caller
1627         to report errors.
1628         (TARGET_HANDLE_OPTION): Override default.
1629         (mips_handle_option): New function.  Move option validation code from...
1630         (override_options): ...here.  Update calls to mips_parse_cpu.
1631         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1632         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1633         (SUBTARGET_TARGET_OPTIONS): Delete.
1634         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1635         (mno-flush-func, mtune=): New options.
1637 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1638             Richard Henderson  <rth@redhat.com>
1640         * real.c (c4x_single_format, c4x_extended_format): Provide values
1641         for signbit_ro for c4x's single and extended floating point formats.
1642         * optabs.c (expand_copysign): Use the floating point format's
1643         signbit_ro for expanding via expand_copysign_absneg, and it's
1644         signbit_rw field for expanding via expand_copysign_bit.
1646 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1648         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1649         known_alignment_for_access_p.
1650         (known_alignment_for_access_p): New.
1651         (do_peeling_for_alignment): Field made int instead of bool and renamed
1652         to peeling_for_alignment.
1653         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1654         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1655         functionality used to be in vect_analyze_operations.
1656         (vect_analyze_operations): Code to determine vectorization factor was
1657         moved to vect_determine_vectorization_factor.
1658         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1659         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1660         factor.
1661         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1662         be part of vect_analyze_operations).
1663         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1664         creating the guard condition, as the number of iterations may be
1665         constant.
1666         (slpeel_tree_peel_loop_to_edge): Use new name of
1667         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1668         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1669         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1670         (vect_do_peeling_for_alignment): Use fold.
1671         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1673         (vect_update_inits_of_dr): Renamed to
1674         vect_update_init_of_dr.
1675         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1676         (vectorizable_store): Fix assertion to use == instead of =.
1678 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1680         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1681         call_used_regs for wCG registers.
1683 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1685         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1686         for non-offsettable memory references to cope with outstanding reload
1687         replacements, take 2.
1689 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1691         PR target/18668
1692         * config/i386/i386.h (x86_fisttp): New.
1693         (TARGET_FISTTP): New macro.
1694         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1695         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1696         instruction when fisttp flag is set.
1697         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1699         * config/i386/i386.md (type attribute): Add fisttp.
1700         (unit attribute): Set to i387 for fisttp type.
1701         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1702         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1703         TARGET_FISTTP.
1704         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1705         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1706         macros.
1707         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1708         patterns for TARGET_FISTTP.  Enable patterns for
1709         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1710         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1711         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1712         implement fisttp x87 insn.
1713         (fix_trunc*_i387_fisttp splitters): New patterns.
1714         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1715         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1716         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1717         clobber.
1718         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1719         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1720         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1721         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1722         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1723         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1724         Disable patterns for TARGET_FISTTP.
1725         (fix_trunc*_i387 splitters): Implement usign mode macros.
1726         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1727         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1728         (fix_trunx*_sse peephole2s): Implement using mode macros.
1730 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1732         PR rtl-optimization/20291
1733         * combine.c (try_combine): If splitting fails, re-try with
1734         original combined pattern, i.e. before clobber stripping.
1736 2005-03-14  Eric Christopher  <echristo@redhat.com>
1738         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1739         STACK_GROWS_DOWNWARD.
1741 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1743         * real.h (struct real_format): Split the signbit field into two
1744         two fields, signbit_ro and signbit_rw.
1745         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1746         mips_double_format, ieee_extended_motorola_format,
1747         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1748         ieee_extended_intel_128_format, ibm_extended_format,
1749         mips_extended_format, ieee_quad_format, mips_quad_format,
1750         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1751         i370_double_format, c4x_single_format, c4x_extended_format,
1752         real_internal_format): Update initializers for new field.
1753         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1754         real_format structure.
1755         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1756         field of the real_format structure.
1758 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1760         Fix PR tree-optimization/20458
1762         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1763         DECL_EXTERNAL on STRUCT_FIELD tags.
1764         (clear_call_clobbered): Ditto.
1765         * tree-ssa-operands.c (note_addressable): Make sure the original
1766         variable doesn't slip into the addressable list if we have
1767         subvars.
1768         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1769         tags too.
1771 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1773         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1774         (-fwide-exec-charset): Likewise.
1775         (-finput-charset): Likewise.
1776         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1777         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1778         * c.opt (Wnormalized): New.
1780 2005-03-14  Devang Patel  <dpatel@apple.com>
1782         * doc/invoke.texi: Add reference to Visibility document.
1784 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1786         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1787         MASK_SPLIT_ADDRESSES.
1788         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1789         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1790         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1791         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1792         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1793         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1794         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1795         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1796         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1797         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1798         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1799         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1800         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1801         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1802         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1803         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1804         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1805         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1806         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1807         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1808         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1809         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1810         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1811         (TARGET_EXPLICIT_RELOCS): Delete.
1812         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1813         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1814         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1815         (override_options): Set MASK_LONG64 if -mint64 is given and no
1816         -mlongXX option is.  Complain about -mint64 -mlong32.
1817         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1818         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1819         * config/mips/mips.opt: New file.
1821 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1823         * config.gcc (extra_options): New variable for listing option files.
1824         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1825         * configure.ac (extra_opt_files): New AC_SUBST variable.
1826         (tm_file_list, tm_include_list): Include options.h first.
1827         * configure: Regenerate.
1828         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1829         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1830         (s-options-h): New rule.
1831         (options.h): Depend on it.
1832         (TEXI_GCCINT_FILES): Add options.texi.
1833         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1834         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1835         * target.h (gcc_target): Add default_target_flags and handle_option.
1836         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1837         (TARGET_HANDLE_OPTION): New macros.
1838         (TARGET_INITIALIZER): Include them.
1839         * opt-functions.awk (opt_args, nth_arg): New functions.
1840         (switch_flags): Handle the "Target" flag.
1841         (var_args): Delete.
1842         (var_name): Use opt_args and nth_arg.
1843         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1844         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1845         macros for the "Mask" and "InverseMask" options.
1846         * opts.h (cl_var_cond): New enum.
1847         (cl_option): Replace the "has_set_value" and "set_value" fields with
1848         "var_cond" and "var_value".
1849         (CL_TARGET): New macro.
1850         (option_enabled, print_filtered_help): Declare.
1851         (decode_options): Move definition.
1852         * opts.c (handle_option): Search for the original option before
1853         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1854         var_cond and var_value fields.  Use targetm.handle_option to handle
1855         target options.
1856         (decode_options): Set target_flags to targetm.default_target_flags.
1857         (print_filtered_help): Make global.  Handle CL_TARGET.
1858         (option_enabled): New function.
1859         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1860         (display_target_options, set_target_switch, print_switch_values)
1861         (default_pch_valid_p): Guard uses of target_switches with
1862         #ifdef TARGET_SWITCHES.  Also...
1863         (display_target_options): Display the CL_TARGET entries in cl_options.
1864         (set_target_option): Don't complain about the "" option when
1865         TARGET_SWITCHES is undefined.
1866         (print_switch_values): Use option_enabled.
1867         (default_pch_valid_p): Check cl_options[] when looking for something
1868         that has changed the value of target_flags.
1869         * c.opt: Remove documentation from top of file.
1870         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1871         * doc/sourecebuild.texi: Refer to the new options documentation
1872         instead of c.opt.  Document machine-specific .opt files.
1873         * doc/tm.texi (target_flags): Say that this variable is declared
1874         by options.h.
1875         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1876         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1877         an alternative.
1878         * doc/options.texi: New file.
1880 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1882         PR middle-end/18628
1883         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1884         register.
1886 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1888         PR c++/20280
1889         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1890         temporary variable of pointer type if an lvalues is required.
1891         (gimplify_modify_expr_rhs): Request an rvalue from it.
1892         (gimplify_expr): Pass fallback on.
1894 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1896         * cfgbuild.c: Update comments.
1898 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1900         PR rtl-optimization/17236
1901         * optabs.c (expand_doubleword_mult): New helper function split out
1902         from expand_binop.  Permute the order in which instructions are
1903         emitted to minimize the number of simultaneously live registers.
1904         (expand_binop): Call expand_doubleword_mult to synthesize a double
1905         word multiplication.
1907 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1909         * basic-block.h: Update the prototypes of cached_make_edge and
1910         rtl_make_eh_edge.
1911         * cfg.c (cached_make_edge): Take edge_cache representing one
1912         row of the adjacency matrix of edges.
1913         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1914         (make_edges): Initialize edge_cache to represent one row of
1915         the adjacency matrix of edges.
1917 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1919         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1920         New functions.
1921         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1922         Remove unused removed_phis variable.
1923         (conditional_replacement): Use build1/build2.
1924         (abs_replacement): Use last_and_only_stmt and build1/build2.
1926 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1928         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1929         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1930         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1931         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1932         * c-common.c (handle_novops_attribute): New function.
1933         (c_common_attribute_table): Add "no vops" entry.
1934         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1935         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1936         * tree-ssa-operands.c (get_call_expr_operands): Do not
1937         create virtual operands for calls with ECF_NOVOPS flag.
1938         * tree.h (DECL_IS_NOVOPS): New macro.
1939         (struct tree_decl): Add novops_flag.
1940         (ECF_NOVOPS): New constant.
1942 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1944         PR target/17688
1945         * config/i386/i386.c (x86_use_himode_fiop): New.
1946         (x86_use_simode_fiop): Rename from x86_use_fiop.
1947         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1948         (TARGET_USE_HIMODE_FIOP): New.
1949         (x86_use_simode_fiop): Rename from x86_use_fiop.
1950         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1952         * config/i386/i386.md (X87MODEI12): New mode macro define.
1953         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1954         to implement x87 FP compare with HImode input operands.
1955         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1956         Use X87MODEI12 mode macro to handle HImode input operands.
1957         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1958         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1959         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1960         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1961         macro to implement x87 operators with HImode input operands.
1962         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1963         input operands.
1965 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1967         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1968         integer_zerop.
1969         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1970         constants invariant.
1972 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1974         * basic-block.h (BB_VISITED): Removed.
1975         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1977 2005-03-14  Falk Hueffner  <falk@debian.org>
1979         PR bootstrap/20424
1980         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1982 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1984         * ggc-zone.c: Fix comment typos.
1986         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1987         stringpool.c, config/mips/mips-protos.h: Update copyright.
1989 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1991         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1992         throughout with its typedef, "rtx".
1993         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1994         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1995         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1996         regs in comment to match code.
1998 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
2000         * except.c (check_handled): Make it static.
2001         * except.h: Remove the corresponding prototype.
2003         * function.c (get_func_frame_size): Make it static.
2004         * function.h: Remove the corresponding type.
2006         * regclass.c (reg_class_superclasses, reg_class_subclasses):
2007         Make them static.
2008         * hard-reg-set.h: Remove the corresponding declarations.
2010         * tree-cfg.c (verify_stmts): Check that
2011         bb_for_stmt (stmt) == bb for every PHI node and statement.
2013 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
2015         * config.gcc: Remove excess indentation.
2016         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
2018 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2020         PR middle-end/19331
2021         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
2022         * fold-const.c (fold_sign_changed_comparison): Likewise.
2023         (fold_binary): Optimize comparisons against widened operands if
2024         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
2026 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2028         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
2029         (sparc_override_options): Initialize it.
2030         (sparc_struct_value_rtx): Set it on the MEM to be returned.
2032 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
2034         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
2035         (reg_or_none500mem_operand): New predicate.
2036         (zero_reg_mem_operand): New predicate.
2037         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
2038         to reg_or_none500mem_operand.
2039         (extendsfdf2_fpr): Add MEM alternative.
2040         (extenddftf2_internal): Change operand2 predicate to
2041         zero_reg_mem_operand.
2043 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2045         * ggc-zone.c: Rewritten.
2047         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
2048         if there are none.
2049         * configure.ac: Define GGC_ZONE for --with-gc=zone.
2050         * config.in: Regenerated.
2051         * configure: Regenerated.
2052         * gengtype.c (write_types_process_field, write_func_for_structure):
2053         Pass new argument to gt_pch_note_object.
2054         * ggc-common.c (struct ptr_data): Add TYPE.
2055         (gt_pch_note_object): Take TYPE argument and save it.
2056         (call_count): Update call to ggc_pch_count_object.
2057         (call_alloc): Update call to ggc_pch_alloc_object.
2058         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
2059         file.
2060         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
2061         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
2062         (ggc_alloc_zone_stat): Delete.
2063         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
2064         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
2065         (ggc_pch_alloc_object): Update prototypes.
2066         (garbage_zone): Delete.
2067         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
2068         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
2069         pointers.
2070         (tree_id_zone): New variable.
2071         (ggc_alloc_cleared_zone): Remove unused.
2072         (ggc_alloc_zone): Define.
2073         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
2074         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
2075         ggc_alloc_zone_stat.
2076         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
2077         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
2078         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
2079         (make_node_stat): Likewise.  Use tree_id_zone.
2081 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2082             Joseph S. Myers  <joseph@codesourcery.com>
2084         * configure.ac: Check for MIPS TLS.
2085         * configure: Regenerated.
2086         * config/mips/mips-protos.h (enum mips_symbol_type): Add
2087         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
2088         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
2089         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
2090         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
2091         (mips_classify_symbol, mips_symbolic_constant_p)
2092         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
2093         (mips_tls_operand_p, mips_call_tls_get_addr)
2094         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
2095         (mips_tls_symbol_ref_1): New functions.
2096         (mips_legitimize_address, mips_legitimize_const_move): Call
2097         mips_legitimize_tls_address.
2098         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
2099         for MIPS16.
2100         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
2101         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
2102         (mips_char_to_class): Document V1_REG.
2103         (HAVE_AS_TLS): Provide default.
2104         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
2105         constants.
2106         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
2107         !TARGET_ABICALLS.
2108         (tls_get_tp_<mode>): New instruction.
2110 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2112         * configure.ac: Update checks for target tools.
2113         * configure: Regenerated.
2115 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
2117         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
2119 2005-03-13  Roger Sayle  <roger@eyesopen.com>
2121         * expmed.c (expand_mult): Use synthetic multiplication sequences for
2122         more classes of DImode multiplication by constant.  Allow both
2123         multiplication by small negative constants (by performing a
2124         multiplication by a positive constant and negating the result) and
2125         multiplications by large powers of two, by using a left shift.
2127 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2129         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
2130         of basic blocks into work_stack.
2132         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
2133         config/mips/vr.h: Update copyright.
2135         * c-decl.c (c_init_decl_processing): Remove useless calls to
2136         build_function_type.
2138         * builtins.c (fold_trunc_transparent_mathfn,
2139         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
2140         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2141         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
2142         fold_builtin_strcpy, fold_builtin_strncpy,
2143         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
2144         TREE_TYPE (exp).
2146         * builtins.c (expand_builtin_mathfn_3): Remove local variable
2147         before_call.
2149         * lambda-code.c (lambda_compute_auxillary_space): Remove local
2150         variable determinant.
2152         * tree-cfg.c (group_case_labels): Remove local variable type.
2154         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
2155         variable ann.
2157         * tree-ssa-phiopt.c (value_replacement): Remove local variable
2158         result.
2160 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2162         PR target/18251
2163         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
2164         (*movmemqi_insn): Delete.
2165         (*movmemhi): Delete.
2167 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
2169         * builtins.c (fold_builtin_classify): Take decomposed
2170         arguments of CALL_EXPR.
2171         (fold_builtin_1): Update a call to fold_builtin_classify.
2173 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
2175         PR c/20402
2176         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
2177         through into call to parser_xref_tag after parse error.
2178         (c_parser_struct_declaration): Consistently return NULL_TREE on
2179         error.
2181 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
2183         * tree-flow-inline.h (ref_contains_array_ref): New function.
2184         (lookup_subvars_for_var): Ditto.
2185         (get_subvars_for_var): Ditto.
2186         (var_can_have_subvars): Ditto.
2188         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
2189         (struct subvar): New type.
2191         * tree-dfa.c (okay_component_ref_for_subvars): New function.
2193         * tree-optimize.c (init_tree_optimization_passes): Call
2194         pass_create_structure_vars.
2196         * tree-ssa-alias.c: Include vec.h.
2197         (init_alias_info): Don't auto-clear call clobbered on struct-field
2198         tags.
2199         (compute_flow_insensitive_aliasing): Handle subvars.
2200         (group_aliases): Handle STRUCT_FIELD aliases.
2201         (setup_pointers_and_addressables): Ditto.
2202         Don't mark variables non-addressable if they still have
2203         addressable subvars.
2204         Also mark subvars addressable when the real variable is marked
2205         addressable.
2206         (add_pointed_to_var): Try to prune the pointed-to set by only
2207         pointing to subvars when possible.
2208         Otherwise, make sure we set addresses_needed and pt_vars to
2209         properly include subvars.
2210         (bitpos_of_field): New function.
2211         (push_fields_onto_fieldstack): Ditto.
2212         (get_or_create_used_part_for): Ditto.
2213         (create_overlap_variables_for): Ditto.
2214         (find_used_portions): Ditto.
2215         (create_structure_vars): Ditto.
2216         (pass_create_structure_vars): New structure.
2218         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
2219         (get_expr_operands): Handle subvars.  Also try to turn
2220         COMPONENT_REF accesses into must-defs now that we can accurately
2221         portray it.
2222         (note_addressable): Try to only mark as addressable those subvars
2223         we know a COMPONENT_REF touches.
2224         (overlap_subvar): New function.
2226         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
2227         Handle subvar storing.
2228         (vect_address_analysis): Update caller of vect_object_analysis.
2230         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
2232         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
2233         (STMT_VINFO_SUBVARS): New macro.
2235         * common.opts: add flag_tree_salias.
2237         * opts.c (decode_options): flag_tree_salias defaults to on.
2239         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
2241         * doc/tree-ssa.texi: Document structural alias analysis.
2243 2005-03-12  Steven Bosscher  <stevenb@suse.de>
2245         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
2246         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
2247         * tree-ssa-operands.c (get_expr_operands): Likewise.
2248         (get_expr_operands): Likewise for ERROR_MARK.
2250 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2252         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
2253         var.
2255         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
2256         removed_phis.
2258         * tree-ssa-pre.c (compute_avail): Remove local variable val.
2259         (mark_operand_necessary): Remove local variable ver.
2261         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
2262         variable prefix_len.
2264         * value-prof.c (mod_subtract_transform): Remove local variable
2265         value.
2267         * builtins.c (fold_builtin_exponent): Take decomposed
2268         arguments of CALL_EXPR.
2269         (fold_builtin_1): Update a call to fold_builtin_exponent.
2271         * builtins.c (fold_builtin_logarithm): Take decomposed
2272         arguments of CALL_EXPR.
2273         (fold_builtin_1): Update a call to fold_builtin_logarithm.
2275         * c-decl.c (c_init_decl_processing): Remove local variables
2276         ptr_ftype_void and ptr_ftype_ptr.
2278         * gimplify.c (gimplify_expr): Remove local variables r0 and
2279         r1.
2281         * reg-stack.c (move_for_stack_reg): Remove local variable
2282         push_insn.
2283         (compare_for_stack_reg): Remove local variable flags_user.
2284         (convert_regs_1): Remove local variable deleted.
2286         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
2287         variable new_cond.
2288         (combine_blocks): Remove local variables exits and new_e.
2290         * tree-inline.c (expand_call_inline): Remove local variable
2291         decl.
2293         * tree-ssa-live.c (create_ssa_var_map,
2294         calculate_live_on_entry): Remove local variable snn.
2296 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
2298         * c-lex.c (c_lex_with_flags): Add parameter to call to
2299         cpp_spell_token.
2301 2005-03-11  Per Bothner  <per@bothner.com>
2303         * c-tree.h (struct c_declarator): New id_loc field.
2304         * c-pragma.h (c_lex_with_flags): Take position reference.
2305         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
2306         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
2307         (c_lex): Pass dummy location to c_lex_with_flags.
2308         * c-parser.c (c_lex_one_token): Set c_token's location using
2309         c_lex_with_flags, instead of input_location, which might be "ahead".
2310         (c_parser_direct_declarator): Set declarator's id_loc from
2311         c_token's id_loc.
2312         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
2313         declarator's id_loc, rather than probably-imprecise input_location.
2314         (build_id_declarator): Initialize c_declarator's id_loc field.
2316 2005-03-11  Roger Sayle  <roger@eyesopen.com>
2318         PR middle-end/20419
2319         * builtins.c (expand_builtin_signbit): Force the signbit's word
2320         into an integer register to avoid SUBREGs of floating point modes.
2322 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2324         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2325         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2326         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2327         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2329 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
2331         PR rtl-optimization/20306
2332         * expr.c (emit_move_complex): Set try_int false if mode is
2333         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
2334         emit_block_move if try_int is true.
2336 2005-03-11  Richard Henderson  <rth@redhat.com>
2338         PR target/20415
2339         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2340         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2341         to match.
2343 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2345         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2346         (TARGET_FIX_VR4130): New macro.
2347         (TARGET_OPTIONS): Add -mfix-vr4130.
2348         (ISA_HAS_MACCHI): New macro.
2349         (ASM_SPEC): Add -mfix-vr4130.
2350         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2351         (override_options): Handle mips_fix_vr4130_string.
2352         (mips_avoid_hazards): Clear all_noreorder_p
2353         if we're working around VR4130 errata and the macc alternatives
2354         are not available.
2355         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2356         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2357         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2358         (MULTILIB_DEFAULTS): Remove leading "march=".
2359         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
2360         if no architecture option is given.
2361         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2362         VR4130 multilibs.
2363         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2364         * doc/invoke.texi: Document -mfix-vr4130.
2366 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2368         * config/mips/mips.c (override_options): Only warn about -mint64
2369         deprecation if TARGET_INT64.
2371 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2373         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2374         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2375         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2376         are non-specific regarding the nonnull parameter positions.
2377         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2378         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2379         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2380         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2382         * builtins.def: Use the non-specific "nonnull" attibute lists.
2384 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2386         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2387         single_pred_edge, single_succ, single_pred): Improve comments.
2389 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2391         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2392         single_pred_edge, single_succ, single_pred): New inline functions.
2393         * bb-reorder.c (rotate_loop, find_traces_1_round,
2394         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2395         duplicate_computed_gotos): Use the single_succ/pred functions.
2396         * cfganal.c (forwarder_block_p): Ditto.
2397         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2398         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2399         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2400         merge_seq_blocks): Ditto.
2401         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2402         * cfglayout.c (fixup_reorder_chain): Ditto.
2403         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2404         canonicalize_loop_headers, verify_loop_structure): Ditto.
2405         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2406         mfb_update_loops, create_preheader, force_single_succ_latches,
2407         create_loop_notes): Ditto.
2408         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2409         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2410         commit_one_edge_insertion, purge_dead_edges,
2411         cfg_layout_can_merge_blocks_p): Ditto.
2412         * except.c (sjlj_emit_function_enter): Ditto.
2413         * flow.c (init_propagate_block_info): Ditto.
2414         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2415         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2416         insert_insn_end_bb): Ditto.
2417         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2418         find_if_case_2): Ditto.
2419         * lambda-code.c (perfect_nestify): Ditto.
2420         * lcm.c (optimize_mode_switching): Ditto.
2421         * loop-doloop.c (doloop_modify): Ditto.
2422         * loop-init.c (loop_optimizer_init): Ditto.
2423         * loop-iv.c (simplify_using_initial_values): Ditto.
2424         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2425         * loop-unswitch.c (unswitch_loop): Ditto.
2426         * modulo-sched.c (generate_prolog_epilog): Ditto.
2427         * predict.c (combine_predictions_for_insn, estimate_probability,
2428         tree_estimate_probability, last_basic_block_p,
2429         estimate_bb_frequencies): Ditto.
2430         * profile.c (branch_prob): Ditto.
2431         * regrename.c (copyprop_hardreg_forward): Ditto.
2432         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2433         * tracer.c (layout_superblocks): Ditto.
2434         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2435         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2436         cleanup_control_expr_graph, disband_implicit_edges,
2437         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2438         tree_verify_flow_info, tree_make_forwarder_block,
2439         tree_forwarder_block_p, remove_forwarder_block,
2440         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2441         * tree-if-conv.c (tree_if_conversion): Ditto.
2442         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2443         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2444         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2445         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2446         copy_loop_headers): Ditto.
2447         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2448         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2449         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2450         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2451         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2452         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2453         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2454         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2455         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2456         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2457         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2458         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2459         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2460         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2461         slpeel_add_loop_guard): Ditto.
2463 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2465         PR tree-optimization/15784
2466         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2467         and -1 - A to ~A.
2469         * stmt.c (expand_case): Don't change index_type.  Convert minval
2470         to the proper type.
2472         PR tree-optimization/20130
2473         * fold-const.c (fold): Fold x * -1 into -x.
2475 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2477         PR rtl-optimization/20331
2478         * rtlanal.c (modified_between_p): Check its address first for MEM.
2479         (modified_in_p): Likewise.
2481 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2483         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2485 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2487         * expr.c (expand_expr_real_1): If possible, use a conditional
2488         move for expanding MIN_EXPR and MAX_EXPR.
2489         Use temp for moving around rtx-en.
2491 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2493         PR rtl-opt/20412
2494         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2495         correct mode.
2497 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2499         * builtins.c (expand_builtin_signbit): Extend to handle floating
2500         point modes wider than the largest integer type, using the
2501         operand_subword_force function to obtain the signbit's word.
2503 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2505         PR target/20322
2506         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2507         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2509 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2511         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2513 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2515         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2516         type void.
2517         (perform_edge_inserts): Unconditionally call
2518         free_dominator_info.
2520         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2522 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2524         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2526 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2528         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2530         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2531         gcc_unreachable.
2532         (rtl_register_value_prof_hooks,
2533         tree_value_profile_transformations,
2534         tree_register_value_prof_hooks): Likewise.
2535         * var-tracking.c (stack_adjust_offset_pre_post,
2536         variable_htab_free, variable_union, dataflow_set_different_2,
2537         count_uses, variable_was_changed, set_frame_base_location,
2538         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2539         vt_add_function_parameters): Likewise.
2540         * varasm.c (named_section_real, named_section, make_decl_rtl,
2541         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2542         const_hash_1, compare_constant, copy_constant, force_const_mem,
2543         output_constant_pool_2, output_constant_pool_1, output_constant,
2544         output_constructor, make_decl_one_only, decl_tls_model,
2545         default_no_named_section, default_elf_select_section_1,
2546         default_unique_section_1): Likewise.
2547         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2548         * vmsdbgout.c (addr_const_to_string): Likewise.
2550         PR c++/20375
2551         * function.c (struct assign_parm_data_one): Remove last_named
2552         field.
2553         (assign_parm_find_data_types): Don't determine last_named.
2554         Reorder named_parm determination.
2555         (assign_parms): Only setup varargs on the last non-varadic
2556         parameter.
2558 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2560         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2561         sda base address on medium model.
2563 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2565         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2566         * cfgloop.c (flow_loop_nodes_find): Export.
2567         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2568         Declare.
2569         * cfgloopmanip.c (fix_loop_structure): New function.
2570         * predict.c (predict_loops): Clean up the loops information.
2571         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2572         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2573         loop structure.
2574         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2575         (rewrite_into_loop_closed_ssa): Declaration changed.
2576         * tree-loop-linear.c (linear_transform_loops): Add argument to
2577         rewrite_into_loop_closed_ssa call.
2578         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2579         * tree-ssa-loop-im.c (move_computations): Ditto.
2580         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2581         * tree-vectorizer.c (vectorize_loops): Ditto.
2582         * tree-optimize.c: Include cfgloop.h.
2583         (execute_todo): Choose whether to call cleanup_tree_cfg or
2584         cleanup_tree_cfg_loop.
2585         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2586         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2587         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2588         cleanup_tree_cfg_loop call.
2589         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2590         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2591         work on part of cfg.
2593 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2595         PR inline-asm/20314
2596         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2597         with multiple alternatives.
2599         * stmt.c (parse_output_constraint): Fix a typo.
2601 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2603         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2604         assembly directive instead of deprecated "no-generics".
2606 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2608         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2609         for non-offsettable memory references to cope with outstanding reload
2610         replacements.
2611         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2612         avoid losing outstanding address reloads.
2613         ("reload_outdi", "reload_outdf"): Likewise.
2615 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2617         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2618         code.  Add more cbrt transformations.
2620 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2622         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2624 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2626         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2627         NULL_TREE when a given tree is not simplified.
2628         (fold): Return the original tree when any of the functions
2629         mentioned above NULL_TREE.
2631         * fold-const.c (fold_unary, fold_binary): Take decomposed
2632         arguments, code, type, op0, and op1 in case of fold_binary.
2633         (fold): Update calls to fold_unary and fold_binary.
2635 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2637         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2638         a fndecl and an arglist instead of a CALL_EXPR, exp.
2640 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2642         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2644         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2646         * expr.c (expand_assignment): Remove orig_to_rtx.
2648         * fold-const.c (int_const_binop): Remove no_overflow.
2650         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2652         * loop-iv.c (get_biv_step_1): Remove lhs.
2654         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2656         * real.c (real_nan): Remove neg.
2658         * function.c (thread_prologue_and_epilogue_insns): Remove i
2659         and newinsn.
2661         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2662         tb.
2664         * tree-eh.c (tree_could_trap_p): Remove idx.
2666         * tree-into-ssa.c (ann): Remove ann.
2668         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2670         * tree-sra.c (decide_block_copy): Remove inst_count.
2672         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2674         * tree-ssa-loop-im.c (lhs): Remove.
2676         * cfgbuild.c (state, STATE, SET_STATE,
2677         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2678         make_edges.
2679         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2680         (find_basic_blocks): Set the state of each basic block to
2681         BLOCK_NEW.
2683 2005-03-08  Jeff Law  <law@redhat.com>
2685         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2686         goto results in the removal of edges in the CFG, then we need
2687         to recompute dominators.
2689 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2691         * c-common.c (c_do_switch_warnings): Comment fix.
2693 2005-03-08  Julian Brown  <julian@codesourcery.com>
2695         * Patch from 2005-03-08 reverted for causing regressions and
2696         ppc-darwin bootstrap failure.
2698 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2700         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2701         Define the real function for ppc-darwin.
2702         * c-typeck.c (convert_arguments): Check for target-specific
2703         invalid argument call to unprototyped function.
2704         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2705         New Macro.
2706         * target.h (invalid_arg_for_unprototyped_fn): New field
2707         in struct calls.
2708         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2709         default target hook.
2710         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2711         Declare.
2713 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2715         * c-typeck.c (constructor_stack, constructor_range_stack,
2716         initializer_stack): Make them static.
2718         * cfg.c (rbi_pool): Make it static.
2720         * gimple-low.c (lower_stmt_body): Make it static.
2721         * tree-flow.h: Remove the corresponding prototype.  Don't
2722         declare lower_data.
2724         * sched-deps.c (cache_size): Make it static.
2726         * stor-layout.c (lang_adjust_rli): Make it static.
2728 2005-03-08  Julian Brown  <julian@codesourcery.com>
2730         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2731         from being used for symbols with vague linkage when
2732         HAVE_GAS_COMDAT_GROUP is true.
2734 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2736         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2737         nlabel == JUMP_LABEL (jump).
2739 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2741         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2742         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2743         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2744         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2746 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2748         PR c/14411
2749         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2750         * c-common.c (handle_returns_twice): New function.
2751         (c_common_attribute_table): Declare eturns_twice' attribute.
2752         * doc/extend.texi: Document eturns_twice' attribute.
2753         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2754         (struct tree_decl): Add returns_twice_flag.
2756 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2758         * tree-ssa-phiopt.c: Fix a comment typo.
2760         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2761         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2762         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2763         copyright.
2765 2005-03-08  Richard Henderson  <rth@redhat.com>
2767         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2768         builtin codes with ctzdi2, clzdi2, popcountdi2.
2769         (struct alpha_builtin_def): Add is_const.
2770         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2771         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2772         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2773         on builtins.
2774         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2775         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2776         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2777         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2778         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2779         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2780         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2781         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2782         (TARGET_FOLD_BUILTIN): New.
2783         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2784         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2785         (ffsdi2): Use ctz.
2786         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2788 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2790         PR tree-optimization/20122
2791         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2792         condition of access function instead of base.
2794 2005-03-07  Jeff Law  <law@redhat.com>
2795             Steven Bosscher  <stevenb@suse.de>
2797         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2798         (find_taken_edge): Call find_taken_edge_computed_goto as
2799         appropriate.  Allow any gimple invariant rather than just
2800         INTEGER_CST for VAL.
2801         (cleanup_control_flow): Cleanup a computed goto which has turned
2802         into a simple goto.
2803         (tree_merge_blocks): If block B has any forced labels, move
2804         them to the start of block A.
2805         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2806         computed gotos as well.
2807         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2808         removal of unnecessary computed gotos too.
2809         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2810         updated.
2812 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2814         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2815         Remove trailing spaces.
2817         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2818         unshare_all_trees): Make them static.
2819         * tree-gimple.h: Remove the corresponding prototypes.
2821         * diagnostic.h: Remove unused prototype
2822         debug_output_buffer.
2823         * modulo-sched.c: Remove unused prototype
2824         set_row_column_for_ps.
2826         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2827         replace_phi_edge_with_variable): Remove unused variable i.
2829 2005-03-07  Per Bothner  <per@bothner.com>
2831         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2833 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2835         PR tree-opt/17671
2836         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2837         bbs on the COND_EXPR instead of the PHI_NODEs.
2838         (candidate_bb_for_phi_optimization): Remove.
2839         (replace_phi_with_stmt): Rename to ...
2840         (replace_phi_edge_with_variable): this and change so that we
2841         replace the phi argument instead of removing the PHI.
2842         (conditional_replacement): Change so we deal with PHI with more
2843         than two arguments.
2844         (value_replacement): Likewise.
2845         (abs_replacement): Likewise.
2847 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2849         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2850         output_e500_flip_gt_bit.
2852         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2853         as bit 31.
2854         (rs6000_generate_compare): Fix logic to look at the correct bits.
2855         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2856         Look at GT bit.
2857         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2858         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2859         gen_move_from_CR_gt_bit.
2861         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2862         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2863         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2865         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2866         (E500_CR_IOR_COMPARE): New constant.
2868 2005-03-08  Earl Chew <earl_chew@agilent.com>
2869             David Billinghurst <David.Billinghurst@riotinto.com>
2871         * config/i386/host-cygwin.c: New file to support precompiled
2872         headers on cygwin
2873         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2874         * config.host: Use above files for cygwin host.
2876 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2878         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2879         ordering ops from earlier change.
2881 2005-03-07  Per Bothner  <per@bothner.com>
2883         Various fixes to allow us to again build if --enable-mapped-location:
2884         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2885         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2886         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2887         local variable loc. Change logic appropriately.
2888         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2889         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2890         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2891         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2892         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2894 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2896         PR rtl-optimization/19683
2897         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2898         number of bytes, to smallest_int_for_mode.  Fix arguments to
2899         REG_CANNOT_CHANGE_MODE_P.
2901 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2903         * reorg.c (relax_delay_slots): Check that the jump is
2904         conditional before trying to invert it.
2906 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2908         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2909         Make them static.
2911         * calls (stack_arg_under_construction): Make it static.
2913         * flow.c (regs_live_at_setjmp): Make it static.
2914         * flow.h: Remove the corresponding prototype.
2916         * reload1.c (reload_startobj, reload_firstobj,
2917         something_needs_operands_changed, reload_inherited,
2918         reload_inheritance_insn, reload_override_in,
2919         reload_spill_index): Make them static.
2921         * recog.c (verify_changes): Make it static.
2922         * recog.h: Remove the corresponding prototype.
2924         * cfgbuild.c (find_sub_basic_blocks): Remove.
2925         * basic-block.h: Remove the corresponding prototype.
2926         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2927         in comments.
2928         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2930         * tree-ssa-operands.c (check_build_stmt): Remove.
2932         * stor-layout.c (set_alignment): Remove.
2933         * tree.h: Remove the corresponding prototype.
2935         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2937         * tree-ssa-dce.c (control_dependence_map,
2938         visited_control_parents): Make them static.
2940         * cfghooks.c (verify_flow_info): Remove local variable
2941         num_bb_notes.
2943         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2944         last_bb_seen.
2946         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2948 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2950         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2952 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2954         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2955         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2956         PARALLEL for an empty structure.
2958 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2960         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2962         * fold-const.c (fold_binary): Unroll the very first "for"
2963         loop.
2965 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2967         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2968         redundant match_code test.
2969         (scc_comparison_operator): Swap match_operand and match_code
2970         tests.
2971         (branch_positive_comparison_operator): Same.
2972         (trap_comparison_operator): Use comparison_operator and swap with
2973         match_code test.
2975 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2977         PR target/20288
2978         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2979         (out_movhi_r_mr): Read low byte of volatile MEM first.
2980         (out_movhi_mr_r): Write high byte of volatile MEM first.
2982 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2984         * cselib.c (reg_values, reg_values_size): Make them static.
2986         * cse.c (cse_reg_info_table): Make it static.
2988         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2990 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2992         * cse.c (find_best_addr): Use canon_for_address.
2994 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2996         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2997         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2998         SUBREG and MEM, respectively.
3000         * fold-const.c (fold_binary): Use code instead of t.
3002         * fold-const.c (optimize_minmax_comparison): Take decomposed
3003         arguments code, type, op0, and op1 instead of t.
3004         (fold_binary): Update a call to optimize_minmax_comparison.
3006         * fold-const.c (fold_range_test): Take decomposed arguments
3007         code, type, op0, and op1 instead of t.
3008         (fold_binary): Update a call to fold_range_test.
3010         * fold-const.c (fold_binary_op_with_conditional_arg): Take
3011         decomposed arguments code, type, op0, and op1 instead of t.
3012         (fold_binary): Update a call to fold_range_test.
3014 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
3016         * fold-const.c (fold_binary): Avoid directly using the original
3017         expression t as much as possible.
3019 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
3021         * c-semantics.c (build_stmt): Use TYPE_P instead of
3022         IS_NON_TYPE_CODE_CLASS.
3023         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
3024         (NON_TYPE_CHECK): Use TYPE_P instead of
3025         IS_NON_TYPE_CODE_CLASS.
3027         * fold-const.c (fold): Remove handling of binary expressions.
3029 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
3031         * doc/c-tree.texi: Wrap comments in @r{}.
3032         * doc/cpp.texi: Likewise.
3033         * doc/cppinternals.texi: Likewise.
3034         * doc/extend.texi: Likewise.
3035         * doc/md.texi: Likewise.
3036         * doc/objc.texi: Likewise.
3037         * doc/sourcebuild.texi: Likewise.
3038         * doc/tm.texi: Likewise.
3039         * doc/tree-ssa.texi
3041 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
3043         * predict.c (apply_return_prediction): Standardize PHI chain
3044         walking.
3045         * tree-ssa.c (ssa_redirect_edge): Likewise.
3047         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
3048         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
3049         Update copyright.
3051         * tree-phinodes.c (remove_phi_node): Drop the last argument.
3052         * tree-flow.h: Adjust the prototype for remove_phi_node.
3053         * lambda-code.c (perfect_nestify): Adjust a call to
3054         remove_phi_node.
3055         * tree-cfg.c
3056         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
3057         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
3058         Likewise.
3059         * tree-ssa-dce.c (remove_dead_phis): Likewise.
3060         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3061         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3062         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
3064         * combine.c (simplify_and_const_int): Use gen_int_mode instead
3065         of GEN_INT (trunc_int_for_mode (...)).
3066         * loop-iv.c (iv_number_of_iterations): Likewise.
3067         * postreload.c (reload_cse_move2add): Likewise.
3068         * simplify-rtx.c (simplify_const_unary_operation,
3069         simplify_const_binary_operation): Likewise.
3070         * stor-layout.c (get_mode_bounds): Likewise.
3072         * fold-const.c (fold_binary): New.
3073         (fold): Call fold_binary on binary expressions.
3075 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
3077         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
3078         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
3079         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
3080         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
3081         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
3083 2005-03-04  Devang Patel  <dpatel@apple.com>
3085         PR tree-optimization/18815
3086         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3087         loops with zero exit edges.
3089 2005-03-04  Devang Patel  <dpatel@apple.com>
3091         * doc/invoke.texi: Remove reference to webpage that does not exist.
3093 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
3094             Joseph S. Myers  <joseph@codesourcery.com>
3096         PR c++/19797
3097         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
3098         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
3099         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
3100         * pa.c (get_plabel): Change argument to symbol_ref.  Call
3101         maybe_get_identifier instead of get_identifier.
3102         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
3103         (struct deferred_plabel): Replace name field with symbol field.
3104         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
3105         ASM_OUTPUT_EXTERNAL_REAL is defined.
3106         (output_global_address): Use output_addr_const for output of all
3107         symbol_refs.
3108         (output_deferred_plabels): Use symbol_ref instead of name for address
3109         output.
3110         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
3111         ASM_OUTPUT_SYMBOL_REF): New macros.
3112         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
3113         comment.
3114         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
3115         label.
3117 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
3119         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
3120         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
3122 2005-03-04  Jeff Law  <law@redhat.com>
3124         * basic-block.h (rediscover_loops_after_threading): Declare.
3125         * tree-ssa-dom.c: Include cfgloop.h.
3126         (tree_ssa_dominator_optimize): Discover loops and some basic
3127         properties.  Remove forwarder blocks recreated by loop header
3128         canonicalization.  Also mark backedges in the CFG.
3129         * tree-ssa-threadupdate.c: Include cfgloop.h
3130         (rediscover_loops_after_threading): Define.
3131         (struct local_info): New field, JUMP_THREADED.
3132         (prune_undesirable_thread_requests): New function.
3133         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
3134         then record that fact for the callers of redirct_edges.
3135         (thread_block): If BB has incoming backedges, then call
3136         prune_undesirable_thraed_requests.    Note when we are
3137         going to have to rediscover loop information.  Return a
3138         boolean indicating if any jumps were threaded.
3139         (thread_through_all_blocks): Bubble up boolean indicating
3140         if any jumps were threaded.
3141         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
3142         (tree-ssa-threadupdate.o): Similarly.
3144 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3146         * fold-const.c (fold_ternary): Unroll the "for" loop to
3147         extract operands.
3149 2005-03-04  Andrew Haley  <aph@redhat.com>
3151         * unwind-dw2-fde-glibc.c (struct
3152         unw_eh_callback_data.check_cache): New field.
3153         (frame_hdr_cache): New.
3154         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
3155         Cache frame header info.
3157 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
3159         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
3160         (print_c_condition): Declare.
3161         * read-rtl.c (ptr_loc): New structure.
3162         (ptr_locs, ptr_loc_obstack, joined_conditions)
3163         (joined_conditions_obstack): New variables.
3164         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
3165         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
3166         (join_c_conditions, print_c_condition): New functions.
3167         (apply_macro_to_string): Associate the new string with the same
3168         source location as the old one.
3169         (add_condition_to_string): Use join_c_conditions.
3170         (read_string): Use set_rtx_ptr_loc to record a filename and line
3171         number for the string.
3172         (read_rtx): Initialize the new variables above.
3173         * genattrtab.c (write_test_expr, write_attr_value): Use
3174         print_c_condition.
3175         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
3176         comment above the GCC_VERSION check.
3177         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
3178         Inline the definition of MAYBE_EVAL.
3179         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
3180         * genoutput.c (process_template): Likewise.
3181         * genpreds.c (write_predicate_subfunction): Likewise.
3182         (write_predicate_expr): Use print_c_condition.
3183         * genrecog.c (write_cond): Likewise.
3184         * gensupport.c (process_rtx): Use join_c_conditions to join the
3185         conditions of a define_insn_and_split.  Record a source location
3186         for the string after the "&&".
3187         (alter_test_for_insn): Use join_c_conditions.
3189 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
3191         Revert for now:
3192         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3193         PR tree-optimization/15784
3194         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3195         and -1 - A to ~A.
3197 2005-03-04  Ben Elliston  <bje@au.ibm.com>
3199         * gcc.c (option_map): Add --coverage.
3200         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
3201         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
3202         * config/darwin.h: Pass -lgcov for `coverage'.
3203         * doc/invoke.texi (Debugging Options): Document --coverage.
3205 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3207         * gcse.c (bypass_block): Use find_edge wherever possible.
3209 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
3211         Fix PR debug/20253
3213         * c-opts.c (c_common_parse_file): Call start_source_file
3214         and end_source_file at the approriate times.
3216         * dwarf2out.c (dwarf2out_finish): Don't auto-end
3217         the main file, it will be done for us now.
3219 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
3221         * fold-const.c (fold_ternary): New.
3222         (fold): Call fold_ternary on ternary expressions.  Remove
3223         handling of ternary expressions.
3225 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
3227         PR tree-optimization/15784
3228         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3229         and -1 - A to ~A.
3231 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
3233         * config/rs6000/predicates.md (branch_comparison_operator):
3234         Convert from C block to conditional format.
3236 2005-03-03  Jan Hubicka  <jh@suse.cz>
3238         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
3239         and non-constant public variables.
3241 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
3243         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
3244         with LABEL_EXPR.
3246         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
3247         EDGE_I.
3249         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
3250         calls to release_ssa_name and release_phi_node.
3252         * fold-const.c (fold): Remove handling of unary expressions.
3254         * fold-const.c (fold_unary): Avoid directly using the original
3255         expression t as much as possible.
3257 2005-03-03  Roger Sayle  <roger@eyesopen.com>
3258             Andrew Pinski  <pinskia@physics.uc.edu>
3260         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
3261         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
3263 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
3265         Describe special registers SRP and MOF as allocatable registers.
3266         * config/cris/cris.c (cris_md_asm_clobbers): New function.
3267         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
3268         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
3269         TARGET_HAS_MUL_INSNS.
3270         (cris_print_operand) <case 'd'>: New case.
3271         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
3272         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
3273         define.
3274         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
3275         (REG_ALLOC_ORDER): Update for MOF.
3276         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
3277         SPECIAL_REGS.
3278         (GENERAL_REGS): No longer a define of ALL_REGS.
3279         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
3280         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3281         Adjust accordingly.
3282         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
3283         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
3284         (SECONDARY_RELOAD_CLASS): Define.
3285         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
3286         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
3287         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
3288         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
3289         (REGISTER_MOVE_COST): Define.
3290         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
3291         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
3292         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
3293         (CRIS_MOF_REGNUM): New define_constants.
3294         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
3295         special registers.
3296         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
3297         New patterns.
3298         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
3299         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
3300         Adjust for MOF being properly described as a register.
3301         (indir_to_reg_split): Name this split.  Conditionalize on the
3302         destination register being a general register.
3303         (movei): Conditionalize on on operands 0 and 1 having the same
3304         register class.
3306 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
3308         PR target/20277
3309         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
3310         -mcpu to override any other explicitly given flags.
3312 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
3314         * recog.c (verify_changes, confirm_change_group): New functions,
3315         broken out of apply_change_group.
3316         (apply_change_group): Use them.
3317         * recog.h (verify_change, confirm_change_group): Declare.
3318         * rtl.h (redirect_jump_2): Declare.
3319         * jump.c (redirect_exp, invert_exp): Delete.
3320         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
3321         (redirect_jump_2): New function, broken out of redirect_jump.
3322         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3323         (invert_jump): Use invert_jump_1 and redirect_jump_2.
3324         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3326 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
3328         * varasm.c (named_section): Use xstrdup rather than doing it by
3329         hand.
3331         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3333 2005-03-02  Devang Patel  <dpatel@apple.com>
3335         Undo PR tree-optimization/18815 fix.
3337 2005-03-02  Devang Patel  <dpatel@apple.com>
3339         PR tree-optimization/18815
3340         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3341         loops with zero exit edges.
3343 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3345         * cfg.c (connect_src, connect_dest, disconnect_src,
3346         disconnct_dest): New.
3347         (unchecked_make_edge, remove_edge, redirect_edge_succ,
3348         redirect_edge_pred): Use the new functions.
3350         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3351         free_dominance_info only when needed.
3353 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
3355         PR target/20276
3356         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3357         (reg_or_sub_cint64_operand): Same.
3359 2005-03-02  Jeff Law  <law@redhat.com>
3361         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3362         CFG_ALTERED in the main DOM iteration loop.
3364 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
3366         PR c++/19916
3367         * varasm.c (initializer_constant_valid_p): Allow conversions
3368         between OFFSET_TYPEs.  Tidy.
3370 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3372         * config/cris/cris.md ("return"): Remove epilogue delay list
3373         sanity check.
3375 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3377         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3378         for Thumb.
3379         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3381 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3383         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3384         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3385         config/m68k/m68k.c, config/mips/mips.h,
3386         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3387         doc/include/gcc-common.texi: Update copyright.
3389         PR middle-end/18029 and PR middle-end/18030
3390         * expr.c (optimize_bitfield_assignment_op): Add a special case
3391         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3393         * fold-const.c (fold_unary): New.
3394         (fold): Call fold_unary on unary expressions.
3396 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3398         * cgraph.h (struct cgraph_edge): Add prev_caller and
3399         prev_callee fields.
3400         (cgraph_node_remove_callees): Export.
3401         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3402         and prev_callee.
3403         (cgraph_edge_remove_callee): New function.
3404         (cgraph_edge_remove_caller): Likewise.
3405         (cgraph_remove_edge): Use.
3406         (cgraph_redirect_edge_callee): Likewise.
3407         (cgraph_node_remove_callees): New function.
3408         (cgraph_node_remove_callers): Likewise.
3409         (cgraph_remove_node): Use.
3410         * tree-optimize.c (tree_rest_of_compilation): Use
3411         cgraph_node_remove_callees instead of manual loop.
3412         * cgraphunit.c (cgraph_finalize_function): Likewise.
3413         (cgraph_expand_function): Likewise.
3414         (cgraph_remove_unreachable_nodes): Likewise.
3416 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3418         PR c/8927
3419         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3420         argument.
3421         * c-decl.c (undeclared_variable): Take location as argument.
3422         * c-typeck.c (build_external_ref): Likewise.
3423         * c-parser.c (c_parser_postfix_expression): Pass location of
3424         identifier to build_external_ref.
3426 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3428         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3429         CCEQ mode for branch_positive_comparison_operator test.
3430         * config/rs6000/predicates (branch_comparison_operator): Revert to
3431         define_predicate.
3432         (scc_comparison_operator): Same.
3433         (branch_positive_comparison_operator): Same.
3435 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3437         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3438         (cris_delay_slots_for_epilogue): Remove.
3439         (save_last): Move into cris_target_asm_function_epilogue.
3440         (cris_target_asm_function_epilogue): Remove tests for file being
3441         NULL.
3442         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3443         (cris_delay_slots_for_epilogue): Remove prototypes.
3444         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3445         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3447 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3449         * config/rs6000/predicates.md (branch_comparison_operator): Change
3450         to define_special_predicate.
3451         (scc_comparison_operator): Same.
3452         (branch_positive_comparison_operator): Same.
3454 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3456         * Makefile.in (tree-ssa-sink.o): New.
3457         (OBJS-common): Add tree-ssa-sink.o.
3458         * common.opt: Add -ftree-sink
3459         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3460         * timevar.def (TV_TREE_SINK): new timevar.
3461         * tree-flow.h (is_hidden_global_store): Prototype.
3462         * tree-optimize.c (init_tree_optimization_passes): Add
3463         pass_sink_code.
3464         * tree-pass.h (pass_sink_code): New.
3465         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3466         for non-obvious global store store to is_hidden_global_store, and
3467         call that new function.
3468         * tree-ssa-sink.c: New file.
3469         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3470         * doc/passes.texi: Document forward store motion.
3471         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3472         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3473         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3474         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3476 2005-03-01  Per Bothner  <per@bothner.com>
3478         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3479         and we have a non-zero column-number, add it to the message.
3480         Also factor out the diagnostic_kind_text.
3482 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3484         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3485         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3486         flow_loop_scan): Removed.
3487         (flow_loop_dump): Do not dump removed fields.
3488         (flow_loop_free): Do not free removed fields.
3489         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3490         (loop_exit_edge_p): New function.
3491         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3492         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3493         num_exits, exits_doms.
3494         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3495         LOOP_EDGES, LOOP_ALL): Removed.
3496         (flow_loop_scan): Declaration removed.
3497         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3498         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3499         flow_loops_find.
3500         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3501         (if_convert): Call flow_loops_find and flow_loops_free
3502         when calling mark_loop_exit_edges.
3503         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3504         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3505         free_dominance_info calls.
3506         * loop-init.c (flow_loops_find): Ditto.
3507         * passes.c (rest_of_handle_branch_prob): Ditto.
3508         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3509         * loop-unroll.c (analyze_insns_in_loop): Do not use
3510         EDGE_LOOP_EXIT.
3511         * predict.c (predict_loops): Do not call flow_loop_scan.
3512         Use get_loop_exit_edges.
3513         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3514         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3515         Do not use EDGE_LOOP_EXIT.
3516         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3517         to bb_with_exit_edge_p.
3518         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3519         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3520         to bb_with_exit_edge_p.
3521         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3522         EDGE_LOOP_EXIT.
3523         * tree-loop-linear.c (linear_transform_loops): Do not call
3524         flow_loop_scan.  Use loop->single_exit.
3525         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3526         (vect_analyze_loop_form): Do not call flow_loop_scan.
3527         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3528         loop->single_exit.
3529         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3530         loop->single_exit.
3531         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3532         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3533         slpeel_tree_duplicate_loop_to_edge_cfg,
3534         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3535         Use loop_preheader_edge and loop->single_exit.  Do not call
3536         flow_loop_scan.
3538 2005-03-01  Nick Clifton  <nickc@redhat.com>
3540         * config/arm/arm.c (thumb_find_work_register): Check all of the
3541         argument registers to see if they are free, and a couple of
3542         special cases where the last argument register but can be proved
3543         to be available during the function's prologue.
3544         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3545         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3546         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3547         register bit-mask.
3548         (thumb_compute_save_reg_mask): Likewise.  Also use
3549         thumb_find_work_register() to ensure that there is agreement about
3550         which work register is going to be used in the prologue.
3551         (thumb_output_function_prologue): Use unsigned long as the type
3552         for the register bit-mask.  Also delay pushing the link register if
3553         other high registers are going to be pushed.
3554         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3555         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3556         redundant prototypes.
3558 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3560         PR target/19819
3561         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3562         and after reload in REG+REG indexed addresses without REG_POINTER
3563         set in the base and not set in the index.
3565 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3567         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3568         Don't undefine here.
3569         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3570         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3571         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3572         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3573         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3574         Delete.
3575         * config.gcc (sh*-*-linux*): Use config/linux.h.
3577 2005-02-28  Dale Johannesen  <dalej@apple.com>
3578             Stan Shebs  <shebs@apple.com>
3580         Rewrite of 64-bit Darwin structure-by-value pass/return.
3581         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3582         intoffset, use_stack, named.
3583         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3584         (rs6000_darwin64_record_arg_advance_flush):  New.
3585         (rs6000_darwin64_record_arg_advance_recurse): New.
3586         (rs6000_darwin64_record_arg_flush):  New.
3587         (rs6000_darwin64_record_arg_recurse):  New.
3588         (rs6000_darwin64_record_arg):  New.
3589         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3590         (function_arg_boundary):  Handle 128-bit aligned structs.
3591         (function_arg_advance):  Rewrite darwin64 struct handling.
3592         (function_arg):  Call rs6000_darwin64_record_arg.
3593         (function_arg_partial_nregs):  Handle darwin64 structs.
3594         (rs6000_darwin64_function_value):  Remove.
3595         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3597 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3599         PR tree-optimization/20216
3600         * tree-chrec.c (tree_fold_factorial): Delete.
3601         (tree_fold_binomial): Change argument list to take a return type
3602         and change the type of K to unsigned int.  Rewrite to avoid explicit
3603         evaluation of factorials, and (recursively) calling fold to perform
3604         compile-time arithmetic.  Return NULL on (internal) overflow.
3605         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3606         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3607         if any intermediate calculation overflows.
3608         (chrec_apply): Update call to chrec_evaluate.
3610 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3612         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3614 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3616         PR c/20245
3617         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3618         instead of NULL_TREE on error.
3620 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3622         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3623         (EASY_VECTOR_15_ADD_SELF): Remove.
3624         (num_insns_constant_wide): Not static.
3625         (validate_condition_mode): Not static.
3626         (toc_relative_expr_p): Not static.
3627         (legitimate_indirect_address_p): Not static.
3628         (macho_lo_sum_memory_operand): Not static.
3629         (invalid_e500_subreg): Not static.
3630         (easy_vector_same): Not static.
3631         (easy_vector_splat_const): Not static.
3632         (RS6000_SYMBOL_REF_TLS_P): Remove.
3633         (any_operand): Delete.
3634         (any_parallel_operand): Delete.
3635         (count_register_operand): Delete.
3636         (altivec_register_operand): Delete.
3637         (xer_operand): Delete.
3638         (s8bit_cint_operand): Delete.
3639         (short_cint_operand): Delete.
3640         (u_short_cint_operand): Delete.
3641         (non_short_cint_operand): Delete.
3642         (exact_log2_cint_operand): Delete.
3643         (gpc_reg_operand): Delete.
3644         (cc_reg_operand): Delete.
3645         (cc_reg_not_cr0_operand): Delete.
3646         (reg_or_short_operand): Delete.
3647         (reg_or_neg_short_operand): Delete.
3648         (reg_or_aligned_short_operand): Delete.
3649         (reg_or_u_short_operand): Delete.
3650         (reg_or_cint_operand): Delete.
3651         (reg_or_arith_cint_operand): Delete.
3652         (reg_or_add_cint64_operand): Delete.
3653         (reg_or_sub_cint64_operand): Delete.
3654         (reg_or_logical_cint_operand): Delete.
3655         (got_operand): Delete.
3656         (got_no_const_operand): Delete.
3657         (easy_fp_constant): Delete.
3658         (easy_vector_constant): Delete.
3659         (easy_vector_constant_add_self): Delete.
3660         (zero_constant): Delete.
3661         (zero_fp_constant): Delete.
3662         (volatile_mem_operand): Delete.
3663         (offsettable_mem_operand): Delete.
3664         (mem_or_easy_const_operand): Delete.
3665         (add_operand): Delete.
3666         (non_add_cint_operand): Delete.
3667         (logical_operand): Delete.
3668         (non_logical_cint_operand): Delete.
3669         (mask_operand): Delete.
3670         (mask_operand_wrap): Delete.
3671         (mask64_operand): Delete.
3672         (mask64_2_operand): Delete.
3673         (and64_operand): Delete.
3674         (and64_2_operand): Delete.
3675         (and_operand): Delete.
3676         (reg_or_mem_operand): Delete.
3677         (lwa_operand): Delete.
3678         (symbol_ref_operand): Delete.
3679         (call_operand): Delete.
3680         (current_file_function_operand): Delete.
3681         (input_operand): Delete.
3682         (rs6000_nonimmediate_operand): Delete.
3683         (rs6000_tls_symbol_ref): Delete.
3684         (save_world_operation): Delete.
3685         (restore_world_operation): Delete.
3686         (load_multiple_operation): Delete.
3687         (store_multiple_operation): Delete.
3688         (vrsave_operation): Delete.
3689         (mfcr_operation): Delete.
3690         (mtcrf_operation): Delete.
3691         (lmw_operation): Delete.
3692         (stmw_operation): Delete.
3693         (branch_comparison_operator): Delete.
3694         (branch_positive_comparison_operator): Delete.
3695         (scc_comparison_operator): Delete.
3696         (trap_comparison_operator): Delete.
3697         (boolean_operator): Delete.
3698         (boolean_or_operator): Delete.
3699         (min_max_operator): Delete.
3700         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3701         (EASY_VECTOR_15): Moved to here.
3702         (EASY_VECTOR_15_ADD_SELF): Move to here.
3703         (PREDICATE_CODES): Delete.
3704         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3705         Declare functions no longer static.
3706         * config/rs6000/predicates.md: New.
3707         * config/rs6000/rs6000.md: Include predicates.md
3709 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3711         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3712         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3713         REG_ALWAYS_RETURN.
3714         * cfgrtl.c (need_fake_edge_p): Likewise.
3715         * combine.c (distribute_notes): Likewise.
3716         * emit-rtl.c (try_split): Likewise.
3717         * recog.c (peephole2_opimize): Likewise.
3718         * reg-notes.def (ALWAYS_RETURN): Remove.
3719         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3720         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3721         * tree.h (ECF_ALWAYS_RETURN): Remove.
3723 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3725         PR middle-end/19874
3726         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3727         between different machine modes is never a "useless" conversion.
3729 2005-02-28  Geert Bosch  <bosch@gnat.com>
3731         PR ada/15977
3732         * doc/contrib.texi: List contributors for Ada front end
3734 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3736         * simplify-rtx.c (simplify_unary_operation_1,
3737         simplify_const_unary_operation): New, extracted from...
3738         (simplify_unary_operation): ... this one.
3739         (simplify_binary_operation_1,
3740         simplify_const_binary_operation): New, extracted from...
3741         (simplify_binary_operation): ... this one.
3742         * rtl.h (simplify_const_unary_operation,
3743         simplify_const_binary_operation): Add prototypes.
3745 2005-02-28  Julian Brown  <julian@codesourcery.com>
3747         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3748         building libjava and caused PR regression/20228.
3750 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3752         PR bootstrap/17383
3753         * Makefile.in (host_subdir): New.
3754         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3755         * configure: Regenerate.
3757 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3759         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3760         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3761         installation directory first.
3763 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3765         PR target/19065.
3766         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3767         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3768         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3769         * config/cris/cris.md: Tweak comments referring to Q.
3770         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3771         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3772         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3773         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3774         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3775         Insert spaces in constraints to align alternatives vertically for
3776         readability.
3777         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3778         operand 1: "M".
3780 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3782         PR rtl-optimization/17728
3783         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3784         operand 0 from general_operand to move_dest_operand.
3786 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3788         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3789         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3790         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3791         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3793 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3795         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3796         * configure: Regenerate.
3797         * libada-mk.in: Remove CC; rename
3798         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3800 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3802         PR tree-opt/20188
3803         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3804         for the lhs, also walk over the tree.  Likewise for rhs.
3806 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3808         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3809         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3810         Do not propagate value of iv before increment over the increment.
3812 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3814         * c-parser.c: New file.
3815         * c-parse.in: Remove.
3816         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3817         Remove.
3818         (c-parser.o): Add dependencies.
3819         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3820         maintainer-clean, TAGS): Update.
3821         * c-config-lang.in (gtfiles): Update.
3822         * gengtype-lex.l: Don't handle "@@".
3823         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3824         objc_build_synchronized, objc_begin_try_stmt,
3825         objc_begin_catch_clause, objc_finish_catch_clause,
3826         objc_build_finally_clause, objc_finish_try_stmt): New.
3827         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3828         type_seen_p.
3829         (c_parse_init): Update comment.
3830         * c-decl.c (c_init_decl_processing): Update comment.
3831         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3832         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3833         new c_declspecs members.
3835 2005-02-25  Julian Brown  <julian@codesourcery.com>
3837         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3838         from being used for symbols with vague linkage when
3839         HAVE_GAS_COMDAT_GROUP is true.
3841 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3843         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3845 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3847         PR target/19930
3848         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3849         (LIBGCC2_HAS_DF_MODE): New.
3850         (LIBGCC2_HAS_XF_MODE): New.
3851         (LIBGCC2_HAS_TF_MODE): New.
3852         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3853         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3854         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3855         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3856         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3857         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3858         and add _fixtfdi, _fixunstfdi, _floatditf
3859         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3860         L_fixunstfdi, L_floatditf.
3861         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3862         (LIBGCC2_HAS_TF_MODE): Define.
3864 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3866         PR tree-optimization/20204
3867         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3868         REWRITE_THIS_STMT markers on PHI nodes.
3869         (rewrite_initialize_block): Likewise.
3871 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3873         * version.c (version_string): Update to 4.1.
3875 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3877         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3878         Clarify that the alternative way doesn't work in GNU C++.
3880 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3882         PR tree-optimization/19937
3883         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3884         to the type of the induction variable.
3886 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3888         PR rtl-optimization/20117
3889         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3890         the block including noncopyable insn.
3892 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3894         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3895         calls to find_reg_note.
3897 2005-02-24  Richard Henderson  <rth@redhat.com>
3899         PR tree-opt/20127
3900         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3901         the type.
3903 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3905         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3906         vector types if to use base reg for misaligned non-word ld/std.
3908 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3910         PR target/14619
3911         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3912         dwarf2 label manually and put it after, not before the prologue.
3914 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3916         PR target/19019
3917         * reload.c (operands_match_p): Only increment register number for
3918         SCALAR_INT_MODE_P modes in multiple hard registers.
3920         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3921         Fix formatting.
3923 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3925         * ChangeLog.5: Fix log message typo(s).
3926         * ChangeLog.7: Likewise.
3927         * ChangeLog.tree-ssa: Likewise.
3928         * cfgexpand.c: Fix comment typo(s).
3929         * conflict.c: Likewise.
3930         * defaults.h: Likewise.
3931         * dwarf2out.c: Likewise.
3932         * gcse.c: Likewise.
3933         * ggc-page.c: Likewise.
3934         * tree-eh.c: Likewise.
3935         * tree-ssa-dom.c: Likewise.
3937 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3939         PR target/19019
3940         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3941         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3942         if SHARED is defined.
3944         PR target/20196
3945         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3946         allow splitting only if operands 0 and 3 don't overlap.
3948 2005-02-24  Richard Henderson  <rth@redhat.com>
3950         PR middle-end/19953
3951         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3952         (fold_builtin_1): Call them.
3953         * fold-const.c (fold_complex_mult_parts): Split out from ...
3954         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3955         (fold_complex_div_parts, fold_complex_div): New.
3956         (fold): Use them.
3957         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3959 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3961         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3962         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3964         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3965         (print_node): Likewise.
3966         Print TYPE_SIZES_GIMPLIFIED.
3968 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3970         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3971         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3972         operands as commutative in constraints.
3974 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3976         * tree-into-ssa.c: Re-organize internal functions.
3978 2005-02-24  Richard Henderson  <rth@redhat.com>
3980         PR middle-end/18902
3981         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3982         for c99.
3983         * common.opt (fcx-limited-range): New.
3984         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3985         * toplev.c (flag_complex_method): Initialize to 1.
3986         (process_options): Set flag_complex_method to 0 if
3987         flag_cx_limited_range.
3988         * doc/invoke.texi (-fcx-limited-range): New.
3990 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3992         * cse.c (delete_trivially_dead_insns): Speed up by using
3993         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3994         prev_real_insn.
3996 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3998         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3999         functions when -mid-shared-library is being used.
4001 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
4003         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
4004         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
4005         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
4006         * system.h: Poison LINK_LIBGCC_SPECIAL.
4008 2005-02-23  James E Wilson  <wilson@specifixinc.com>
4010         * gengtype.c (note_insn_name): Make 1 element larger.
4012 2005-02-23  Roger Sayle  <roger@eyesopen.com>
4014         PR target/20018
4015         PR rtl-optimization/20097
4016         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4017         BImode SUBREGs of SImode registers which confuse the ia64 backend.
4019 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
4021         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
4022         * t-aix52 (SHLIB_INSTALL): Same.
4024 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
4026         * genpreds.c: Update copyright.
4028 2005-02-23  Michael Beach  <michaelb@ieee.org>
4030         PR target/20159
4031         * config/sparc/t-elf (startup files): Assemble with CPP.
4033 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
4035         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
4036         (write_predicate_expr): Likewise.
4038 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4040         PR tree-optimization/20100
4041         PR tree-optimization/20115
4042         * tree-optimize.c (init_tree_optimization_passes): Remove
4043         pass_maybe_create_global_var.
4044         * tree-pass.h (pass_maybe_create_global_var): Remove.
4045         * tree-ssa-alias.c (aliases_computed_p): Declare.
4046         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
4047         (count_calls_and_maybe_create_global_var): Remove.
4048         (pass_maybe_create_global_var): Remove.
4049         (init_alias_info): Do not declare aliases_computed_p.
4050         (maybe_create_global_var): If the function contains no
4051         call-clobbered variables and a mix of pure/const and regular
4052         function calls, create .GLOBAL_VAR.
4053         Mark all call-clobbered variables for renaming.
4054         (merge_pointed_to_info): Update comment.
4055         (add_pointed_to_var): Likewise.
4056         (is_escape_site): Likewise.
4057         Accept struct alias_info * instead of size_t *.
4058         Update all users.
4059         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
4060         as necessary.
4061         * tree-ssa-operands.c (get_call_expr_operands): If
4062         ALIASES_COMPUTED_P is false, do not add call-clobbering
4063         operands.
4064         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
4065         (delete_tree_ssa): Likewise.
4067 2005-02-22  James E Wilson  <wilson@specifixinc.com>
4069         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
4070         (do_compile): Do call it here.
4072 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4074         PR rtl-optimization/20017.
4075         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
4076         rest_of_handle_cse2, rest_of_handle_gcse): Call
4077         delete_dead_jumptables immediately before calling cleanup_cfg.
4079 2005-02-22  Devang Patel  <dpatel@apple.com>
4081         PR 19952
4082         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
4083         all labels
4085 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
4087         * config/rs6000/aix.h (WINT_TYPE): Define.
4089 2005-02-22  Stan Shebs  <shebs@apple.com>
4091         * config/rs6000/rs6000.c (rs6000_override_options): Default to
4092         natural alignment for 64-bit Darwin.
4093         (rs6000_parse_alignment_option): Warn about uses of -malign-power
4094         on 64-bit Darwin.
4095         * doc/invoke.texi: Document this.
4097 2005-02-22  DJ Delorie  <dj@redhat.com>
4099         * c-common.c (c_common_type_for_mode): Pass the mode's precision
4100         to make_[un]signed_type, not the mode itself.
4102 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
4104         * cfg.c (cached_make_edge): Call make_edge if edge cache is
4105         not available.  Use tail calls wherever possible.
4106         (make_edge): Call unchecked_make_edge to create an edge.
4108         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
4109         (coalesce_ssa_name): Don't check for
4110         SSANORM_USE_COALESCE_LIST.
4111         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
4113 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
4115         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
4116         (rewrite_into_ssa): ... here.
4118 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
4120         PR tree-optimization/19786
4121         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
4122         tag to another's may-alias bitmap when adding to the other's list.
4124 2005-02-21  DJ Delorie  <dj@redhat.com>
4126         * tree-ssa-loop-ivopts.c (computation_cost): Start register
4127         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
4128         registers in unsupported ways.
4129         * expmed.c (init_expmed): Likewise.
4131 2005-02-21  Stan Cox  <scox@redhat.com>
4133         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
4135 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4137         * tree-cfg.c (fold_cond_expr_cond): New.
4138         (make_edges): Call fold_cond_expr_cond.
4139         (find_taken_edge): Accept nothing but INTEGER_CST.
4140         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
4141         and 1.
4142         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
4144         * flow.c (delete_dead_jumptables): Speed up by scanning insns
4145         that do not belong to any basic block.
4147 2005-02-21  Jeff Law  <law@redhat.com>
4149         * cfganal.c (find_unreachable_blocks): Manually CSE load of
4150         e->dest.
4152 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
4154         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
4155         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
4156         Adjust their definitions.
4157         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
4158         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
4160         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
4161         genautomata.c, langhooks.c, langhooks.h, system.h,
4162         config/arm/lib1funcs.asm: Update copyright.
4164 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4166         * dbxout.c (dbxout_function_end): Emit Lscope label always.
4168 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
4170         PR bootstrap/13770
4171         * doc/install.texi: Document --with-gc.
4173 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
4175         * simplify-rtx.c (simplify_unary_operation): Add a missing
4176         "break" statement.
4178 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4180         PR tree-optimization/18663
4181         * tree-ssa-dom.c (extract_range_from_cond): Return 0
4182         if the type has variable bounds.
4184 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
4186         * gcse.c: Remove an obsolete comment.
4188         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
4190 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
4192         * doc/extend.texi (Function Attributes) <Attribute const>: The
4193         attribute "pure" is below this text, not above.
4195 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4197         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
4198         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
4199         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
4201 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
4203         PR 18785
4204         * langhooks.h (struct lang_hooks): Add to_target_charset.
4205         * langhooks.c (lhd_to_target_charset): New function.
4206         * langhooks-def.h: Declare lhd_to_target_charset.
4207         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
4208         (LANG_HOOKS_INITIALIZER): Update.
4209         * c-common.c (c_common_to_target_charset): New function.
4210         * c-common.h: Declare it.
4211         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
4212         c_common_to_target_charset.
4214         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
4215         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
4216         Delete definitions.
4217         * system.h: Poison them.
4218         * doc/tm.texi: Don't discuss them.
4219         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
4220         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
4221         (pp_c_char): Do not attempt to generate letter escapes for
4222         newline, tab, etc.
4223         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
4224         * config/mips/mips.c (mips_output_ascii): Likewise.
4226 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
4228         PR tree-optimization/19951
4229         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
4230         is abnormal.
4232 2005-02-19  Steven Bosscher  <stevenb@suse.de>
4234         PR middle-end/19698
4235         * function.h (struct function): New field `max_loop_depth'.
4236         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
4237         (flow_loops_find): Reset the max loop depth count before finding loops.
4238         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
4239         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
4240         (calculate_global_regs_live): Make sure the loop will terminate
4241         when the initial sets are not empty.
4243 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
4245         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
4246         object inside.
4247         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
4249 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
4251         PR other/19525
4252         * doc/invoke.texi: Remove documentation of %M spec.
4253         * gcc.c: Likewise.
4254         (init_spec): Remove %M suffix from -lgcc_s.
4255         (do_spec_1): Remove 'M' case.
4256         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
4257         to put shared libraries in the multilib directory.  Remove the
4258         shlib_so_soname substitution variable.  Don't add a multilib encoding
4259         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
4260         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
4261         SHLIB_INSTALL as well as SHLIB_LINK.
4262         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
4263         (SHLIB_NAME): Delete.
4264         (SHLIB_DIR): New macro.
4265         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
4266         (SHLIB_INSTALL): Adjust accordingly.
4267         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
4268         * config/t-slibgcc-sld: Likewise.
4269         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
4270         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
4271         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
4272         in $(SHLIB_DIR).
4273         (SHLIBUNWIND_INSTALL): Adjust accordingly.
4274         * config/i386/t-nwld (SHLIB_SONAME): Delete.
4275         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
4276         Use @shlib_base_name@ instead of @shlib_so_name@.
4277         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
4278         and @shlib_base_name@.so in @multilib_dir@.
4279         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
4280         to the install path.
4281         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
4282         (SHLIB_LINK): Remove previous workaround.
4283         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
4284         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
4285         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
4286         the install path.
4287         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
4288         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
4289         (SHLIB_INSTALL): Adjust accordingly.
4290         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
4291         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
4292         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
4293         config/t-slibgcc-elf-ver.
4295 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
4296             Jakub Jelinek  <jakub@redhat.com>
4298         PR tree-optimization/19828
4299         * tree-ssa-loop-im.c: Add a TODO comment.
4300         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
4301         without side-effects.
4303 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4305         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
4306         call fold_convert.
4308 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
4310         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
4311         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
4312         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
4313         functions.
4314         (ia64_reorg): Delete fixup_errata call.
4315         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
4316         (TARGET_SWITCHES): Delete -mb-step entry.
4318 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
4320         PR c/20043
4321         * c-typeck.c (composite_type): Handle quals in transparent unions.
4322         (type_lists_compatible_p): Likewise.
4324 2005-02-18  Stan Shebs  <shebs@apple.com>
4326         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4327         expressions in the .literal8 section.
4329 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
4331         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4333 2005-02-18  Roger Sayle  <roger@eyesopen.com>
4335         * fold-const.c (constant_boolean_node): Always create values of the
4336         specified type, don't bother calling truthvalue_conversion.
4338 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4340         * except.c (output_function_exception_table): Call
4341         assemble_external_libcall (eh_personality_libfunc).
4343 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4345         PR target/19886
4346         * config/ia64/ia64.h (struct machine_function): Add state_num.
4347         * config/ia64/ia64.c (process_epilogue,
4348         process_for_unwind_directive): Use new unwind state numbers each
4349         time rather than state 1.
4351 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
4353         PR target/20054
4354         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4355         before the "*llgt_didi" pattern.
4357 2005-02-18  Jason Merrill  <jason@redhat.com>
4359         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4361 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
4363         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4364         (div0): Use it in place of ARM_FUNC_ALIAS.
4365         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4367 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
4369         PR middle-end/20030
4370         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4371         access, the lower bound of the array type if it exists.
4373 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4375         PR c++/20008
4376         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4377         cases that are out-of-range for the index type.
4379 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4381         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4382         (estimate_case_costs): Don't call convert.
4383         * expmed.c (expand_shift): Likewise.
4384         (make_tree): Call fold_convert instead of convert.
4386 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4388         PR c++/19813
4389         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4390         that ref to be marked MEM_READONLY_P doesn't have base that needs
4391         constructing.
4393 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4395         * genautomata.c (output_get_cpu_unit_code_func,
4396         output_cpu_unit_reservation_p): Don't generate old-style function
4397         definitions.
4399 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4401         PR c++/20023
4402         PR tree-optimization/20009
4403         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4405         PR tree-optimization/18947
4406         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4407         inline, remove all nodes that are inlined into the extern inline
4408         being redefined.
4410 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4412         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4413         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4414         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4415         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4416         Update copyright.
4418 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4420         PR tree-optimization/19917
4421         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4422         to be potentially trapping.
4424 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4426         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4428 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4430         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4431         tem becomes a local variable which is set to the value of the
4432         back end defined INITIAL_FRAME_ADDRESS macro.
4433         (expand_builtin_frame_address): Omit the base parameter to
4434         expand_builtin_return_addr.
4435         (expand_builtin_profile_func): Likewise.
4436         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4437         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4438         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4440 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4442         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4443         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4444         * config/frv/frv.c (frv_function_epilogue): Likewise.
4446 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4448         * lambda-code (perfect_nestify): Remove mark/unmark
4449         for rewriting hack.
4450         * tree-loop-linear.c (linear_transform_loops): Add
4451         rewrite_into_ssa call so that ssa is correct for
4452         rewriting into loop closed.
4454 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4456         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4457         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4458         BITMAP_FREE.
4459         * bt-load.c (btr_def_live_range, combine_btr_defs,
4460         migrate_btr_def, migrate_btr_defs): Likewise.
4461         * cfgcleanup.c (thread_jump): Likewise.
4462         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4463         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4464         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4465         df_rd_local_compute, df_reg_info_compute): Likewise.
4466         * dominance.c (init_dom_info, free_dom_info): Likewise.
4467         * flow.c (init_propagate_block_info,
4468         free_propagate_block_info): Likewise.
4469         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4470         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4471         modify_reg_pav): Likewise.
4472         * loop-invariant.c (find_defs, find_invariant_insn,
4473         find_invariants, free_inv_motion_data): Likewise.
4474         * predict.c (tree_predict_by_opcode,
4475         estimate_bb_frequencies): Likewise.
4476         * stmt.c (expand_case): Likewise.
4477         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4478         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4479         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4480         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4481         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4482         rewrite_ssa_into_ssa): Likewise.
4483         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4484         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4485         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4486         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4487         * tree-sra.c (tree_sra): Likewise.
4488         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4489         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4490         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4491         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4492         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4493         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4494         Likewise.
4495         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4496         calculate_live_on_entry, calculate_live_on_exit,
4497         build_tree_conflict_graph): Likewise.
4498         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4499         record_important_candidates, set_use_iv_cost, find_depends,
4500         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4501         tree_ssa_iv_optimize_finalize): Likewise.
4502         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4503         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4504         tree_duplicate_loop_to_header_edge): Likewise.
4505         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4506         * tree-ssa.c (verify_flow_insensitive_alias_info,
4507         verify_name_tags, verify_ssa, init_tree_ssa,
4508         delete_tree_ssa): Likewise.
4509         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4510         fini_ssanames): Likewise.
4511         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4513 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4515         * config/rs6000/t-rtems: Completely reworked.
4517 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4519         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4521 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4523         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4524         POINTER_TYPE_P when checking that type is a pointer.
4525         (vect_get_memtag): Remove.
4526         (vect_address_analysis): Use POINTER_TYPE_P. Call
4527         vect_object_analysis with dummy parameter for memtag.
4528         (vect_object_analysis): Extract memtag (functionality that
4529         used to be in vect_get_memtag and moved here). Fix printings.
4530         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4531         with correct parameters. Remove call to vect_get_memtag.
4533 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4535         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4536         (tree-vectorizer.o): Added missing dependencies.
4538         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4539         decleration.
4540         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4541         declaration in tree-vectorizer.c, now has an extern declaration in
4542         tree-vectorizer.h).
4543         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4544         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4545         get_vectype_for_scalar_type, vect_is_simple_use,
4546         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4547         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4548         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4549         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4550         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4551         find_loop_location): Likewise.
4553         * tree-vectorizer.c (langhooks.h): #include removed.
4554         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4555         moved to tree-vectorized.h.
4556         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4557         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4558         get_vectype_for_scalar_type, vect_is_simple_use,
4559         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4560         vect_supportable_dr_alignment, new_loop_vec_info,
4561         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4562         vect_set_verbosity_level, find_loop_location): Likewise.
4564         (vect_analyze_loop): Function externalized. Declaration moved to
4565         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4566         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4567         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4568         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4569         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4570         vect_enhance_data_refs_alignment, vect_analyze_operations,
4571         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4572         vect_stmt_relevant_p, vect_get_loop_niters,
4573         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4574         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4575         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4576         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4577         vect_get_memtag): Likewise.
4579         (vectorizable_load): Function externalized. Declaration moved to
4580         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4581         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4582         vect_transform_loop): Likewise.
4583         (vect_transform_stmt): Moved to tree-vect-transform.c.
4584         (vect_align_data_ref, vect_create_destination_var,
4585         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4586         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4587         vect_get_vec_def_for_operand, vect_init_vector,
4588         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4589         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4590         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4591         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4592         vect_do_peeling_for_loop_bound): Likewise.
4594         * tree-vect-analyze.c: New file.
4595         * tree-vect-transform.c: New file.
4597 2005-02-17  Jason Merrill  <jason@redhat.com>
4599         PR mudflap/19319, c++/19317
4600         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4601         slot explicit.
4603 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4605         * doc/install.texi (Specific): Update link for Darwin-specific
4606         tool binary site.
4608 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4610         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4611         constant_boolean_node.
4613 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4615         PR target/19019
4616         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4617         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4619 2005-02-16  Richard Henderson  <rth@redhat.com>
4621         PR 19920
4622         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4623         with W_TYPE_SIZE.
4624         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4625         replace uses with Wtype_MAXp1_F.
4626         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4627         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4628         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4629         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4630         and HAVE_TFMODE as appropriate.
4631         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4632         (__floatdisf): Likewise.
4633         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4634         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4635         (Wtype_MAXp1_F): New.
4636         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4637         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4639 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4641         * PR target/19162
4642         * arm.c (arm_apply_result_size): New function.
4643         * arm.h (APPLY_RESULT_SIZE): Define.
4644         * arm-protos.h (arm_apply_result_size): Add prototype.
4645         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4646         (movxf): New expand.
4647         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4648         (call_value_symbol): Remove predicate for operand 0.
4649         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4650         (untyped_call): Rework to correclty return values for any type.
4651         (untyped_return): New expand.
4652         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4654 2005-02-16  Stan Shebs  <shebs@apple.com>
4656         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4657         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4659 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4661         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4662         configure settings on Solaris 7 and later.
4664 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4666         PR tree-optimization/19865
4667         * tree-optimize.c (init_tree_optimization_passes): Run
4668         pass_may_alias after pass_sra.
4670 2005-02-16  Richard Henderson  <rth@redhat.com>
4671             Stuart Hastings  <stuart@apple.com>
4673         PR debug/19521
4674         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4675         Do nothing if debug info suppressed for this function.
4676         (dbxout_begin_function): Early exit if debug info suppressed for
4677         this function.
4679 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4681         PR target/20007
4682         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4683         find_basic_blocks.
4684         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4686         PR tree-optimization/19967
4687         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4688         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4689         argument TYPE.  Adjust calls to fold_builtin_XXX.
4690         (expand_builtin, fold_builtin_1): Adjust calls to
4691         expand_builtin_XXX.
4692         (fold_builtin_strchr, fold_builtin_strpbrk,
4693         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4694         result to a requested type TYPE.
4696 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4698         PR middle-end/19857
4699         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4700         (T)x & (T)cst if (T)cst overflows.
4701         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4702         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4704 2005-02-15  Jeff Law  <law@redhat.com>
4706         * gcse.c (blocks_with_calls): New bitmap.
4707         (alloc_gcse_mem): Allocate it.
4708         (free_gcse_mem): Free it.
4709         (clear_modifY_mem_tables): Clear it.
4710         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4711         when we encounter CALL_INSNs.
4712         (compute_transp, case MEM): Handle blocks with calls separate
4713         from blocks without calls.  Use bitmap iterators rather than
4714         FOR_EACH_BB.
4716 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4718         PR bootstrap/18810
4719         * mklibgcc.in (vis_hide): Use a temporary object file, not
4720         -o /dev/null.
4722 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4724         PR target/19924
4725         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4726         access optimization.
4728 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4729             Alan Modra  <amodra@bigpond.net.au>
4731         PR target/19019
4732         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4733         (_xlqsub): Rename to __gcc_qsub.
4734         (_xlqmul): Rename to __gcc_qmul.
4735         (_xlqdiv): Rename to __gcc_qdiv.
4736         Provide versioned symbol aliases with old names.
4737         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4738         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4739         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4740         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4741         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4743 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4745         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4746         Fold ~(A - 1) and ~(A + -1) to -A.
4748 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4750         PR pch/14940
4751         PR target/19300
4752         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4753         config/pa/pa-host.c:pa_gt_pch_use_address.
4755 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4757         * tree-vn.c (get_value_handle): Make sure that given an
4758         is_gimple_min_invariant expression, we always return it.
4760 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4762         * passes.c (rest_of_handle_gcse): Fix a comment.
4764 2005-02-15  Jeff Law  <law@redhat.com>
4766         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4767         bitmap.
4768         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4769         (canon_list_insert, record_last_mem_set_info): Similarly.
4770         (clear_modify_mem_tables): Similarly.
4772 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4774         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4775         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4776         config/mips/mips.md, config/rs6000/aix.h,
4777         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4779 2005-02-15  Richard Henderson  <rth@redhat.com>
4781         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4782         call to be best_edge.
4784 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4786         * basic-block.h: Adjust the prototype for find_basic_blocks.
4787         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4788         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4789         find_basic_blocks.
4791         * flow.c (recompute_reg_usage): Remove all arguments.
4792         * passes.c (rest_of_compilation): Adjust the call to
4793         recompute_reg_usage.
4794         * rtl.h: Adjust the prototype for recompute_reg_usage.
4796 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4798         * tree-dump.c (dump_files): Update to reflect new member
4799         of dump_file_info.
4800         (dump_register): Add new argument.
4801         Set glob name.
4802         (dump_switch_p_1): Check against glob name if doglob was passed.
4803         (dump_switch_p): Check against regular first, then glob if
4804         we didn't have any hits on the dump name.
4805         * tree-optimize.c (register_one_dump_file):
4806         Pass in glob name as well.
4807         * tree-pass.h (struct dump_file_info): Add glob
4808         member.
4810 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4812         PR preprocessor/16323
4813         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4815 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4817         PR target/19019
4818         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4819         (trunctfdf2_internal1): New.
4820         (trunctfdf2_internal2): Renamed from trunctfdf2.
4822 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4824         PR tree-optimization/19853
4825         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4827 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4829         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4830         delete_dead_jumptables and cleanup_cfg.
4832 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4834         * reload.c (find_reloads): Swap address_reloaded flags when
4835         swapping commutative operands.
4837 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4839         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4840         Use standard_iv_increment_position for computing the bsi position
4841         for create_iv.
4842         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4843         the bsi position.
4845 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4847         PR target/17428
4848         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4849         life range of hard registers.
4850         * value-prof.c (insn_prefetch_values_to_profile): Only
4851         scan normal insns.
4853         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4854         profile in libcalls.
4856 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4858         * bitmap.h (bitmap_and_compl_into): Return bool.
4859         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4861 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4863         PR tree-optimization/19944
4864         * fold-const.c (fold): Re-add ABS_EXPR folding.
4866 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4868         PR target/19019
4869         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4870         {TARGET,MASK}_XL_COMPAT.
4871         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4872         MASK_XL_COMPAT.
4873         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4874         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4875         TARGET_XL_COMPAT.
4876         (rs6000_arg_partial_bytes): Same.
4877         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4878         and XL compatibility enabled.
4879         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4880         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4881         test to final condition.
4882         (cmptf_internal2): New.
4883         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4884         xl-compat.  Add TFmode information to description.
4886 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4888         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4890 2005-02-13  Jason Merrill  <jason@redhat.com>
4892         PR c++/16405
4893         * fold-const.c (fold_indirect_ref_1): Split out from...
4894         (build_fold_indirect_ref): Here.
4895         (fold_indirect_ref): New fn.
4896         * tree.h: Declare it.
4897         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4898         (gimplify_modify_expr_rhs): Likewise.
4899         (gimplify_expr): Likewise.
4901 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4903         PR tree-optimization/14303
4904         PR tree-optimization/15784
4905         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4906         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4907         ABS_EXPR<x> != 0 to x != 0.
4909 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4911         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4912         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4913         spelling conventions.
4915         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4916         delete_trivially_dead_insns too many times.
4918         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4919         tem and tem2.
4921 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4923         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4924         (vect_is_simple_iv_evolution): Remove redundant parameter
4925         and step check.
4926         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4927         without last parameter.
4928         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4929         Return pointer step. Call vect_is_simple_iv_evolution without
4930         last parameter. Check only that the step is multiple of size
4931         type. Remove stmt_vinfo updates.
4932         (vect_get_memtag_and_dr): Remove.
4933         (vect_get_memtag): New function.
4934         (vect_address_analysis): New function.
4935         (vect_object_analysis): New function.
4936         (vect_analyze_data_refs): Call vect_object_analysis and
4937         vect_get_memtag. Update stmt_vinfo fields.
4939 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4941         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4942         exist and are objects. Remove checks for pointer.
4943         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4944         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4945         (vect_create_data_ref_ptr): Likewise.
4946         (vect_base_addr_differ_p): New function.
4947         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4948         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4949         Don't set the DR_BASE_NAME field of data-ref.
4950         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4952 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4954         * optabs.h (enum optab_index): Add new OTI_ldexp.
4955         (ldexp_optab): Define corresponding macro.
4956         * optabs.c (init_optabs): Initialize ldexp_optab.
4957         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4958         patterns.
4959         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4960         using ldexp_optab.
4961         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4962         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4964         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4965         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4966         intrinsics.
4968 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4970         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4971         to base_address.
4972         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4973         stmt_vec_info.
4974         (vect_get_base_and_offset): Always return an address.
4975         (vect_create_addr_base_for_vector_ref): Remove treatment for
4976         different data reference types.
4977         (vect_compute_data_ref_alignment): Rename base to base_address in
4978         stmt_vec_info. Get the object in order to force its alignment.
4979         (vect_get_memtag_and_dr): Rename base to base_address in
4980         stmt_vec_info. Extract the object for memtag analysis.
4982 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4984         PR regression/19898.
4985         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4986         changes cc_status, use apply modified_in_p to part of cc_status
4987         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4988         body.
4990 2005-02-11  Richard Henderson  <rth@redhat.com>
4992         * tree-complex.c (expand_complex_libcall): New.
4993         (expand_complex_multiplication): Use it for c99 compliance.
4994         (expand_complex_division): Likewise.
4995         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4996         (fold): Call them.
4997         * builtins.c (built_in_names): Remove const.
4998         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4999         builtins.
5000         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
5001         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
5002         (built_in_names): Remove const.
5003         * c-common.c (c_common_type_for_mode): Handle complex modes.
5004         * flags.h, toplev.c (flag_complex_method): Rename from
5005         flag_complex_divide_method.
5006         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
5007         __mulsc3, __muldc3, __mulxc3, __multc3): New.
5008         * libgcc2.h: Declare them.
5009         * libgcc-std.ver: Export them.
5010         * mklibgcc.in (lib2funcs): Build them.
5012 2005-02-11  Steven Bosscher  <stevenb@suse.de>
5014         PR tree-optimization/19876
5015         Partially revert my change from 2005-01-14
5016         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
5017         (compute_antic): ...and remove the loop here.
5019 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
5021         PR middle-end/19858
5022         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
5023         is number of inner's bits, avoid creating a BIT_FIELD_REF.
5025         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
5026         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
5028 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
5030         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
5031         offsets for the big-endian 32-bit case.
5033 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
5035         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5037 2005-02-11  Dale Johannesen  <dalej@apple.com>
5039         * cselib.c (cselib_process_insn):  Clear out regs where
5040         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
5041         * reload.c (find_equiv_reg): Ditto.
5043 2005-02-11  Ian Lance Taylor  <ian@airs.com>
5045         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
5046         with no elements.
5048         * tree.c (build_function_type_list): Work correctly if there are
5049         no arguments.
5051 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
5053         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
5054         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
5055         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
5056         TARGET_ZARCH instead of TARGET_64BIT.
5058 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
5060         * config/rs6000/t-rtems:
5061         (MULTILIB_OPTIONS): Remove mcpu=602.
5062         (MUTLILIB_DIRNAMES): Remove m602.
5063         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
5064         Let mcpu=602 match mcpu=603.
5065         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
5067 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5069         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
5070         signal trampolines.
5072 2005-02-10  David Daney  <ddaney@avtrex.com>
5074         * config/alpha/linux-unwind.h: Add exception clause to copyright.
5075         * config/i386/linux-unwind.h: Likewise.
5076         * config/ia64/linux-unwind.h: Likewise.
5077         * config/mips/linux-unwind.h: Likewise.
5078         * config/pa/linux-unwind.h: Likewise.
5079         * config/rs6000/linux-unwind.h: Likewise.
5080         * config/s390/linux-unwind.h: Likewise.
5081         * config/sh/linux-unwind.h: Likewise.
5082         * config/sparc/linux-unwind.h: Likewise.
5084 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5086         PR tree-optimization/17549
5087         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
5088         TER to replace a DEF with its expression if the DEF and the
5089         rhs of the expression we replace into have the same root
5090         variable.
5092 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
5094         * config/mips/mips.md: Fix the placement of the match_scratch in the
5095         lea64 peephole2.
5097 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5099         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
5100         Fix comment typos.
5102 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
5104         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
5105         (strip_offset): Handle addresses.
5106         (add_address_candidates): Use strip_offset.
5107         (difference_cost): Reflect strip_offset change.
5108         (force_var_cost, difference_cost): Strip nops.
5110 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
5112         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
5114         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
5115         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
5116         config/cris/cris-protos.h, config/cris/cris.c: Update
5117         copyright.
5119 2005-02-10  Jeff Law  <law@redhat.com>
5121         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
5122         (lookup_avail_expr): Similarly.
5124 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
5126         * builtins.c (fold_builtin_powi): New function.
5127         (fold_builtin_1): Call it.
5129 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5131         PR documentation/19309
5132         * doc/cpp.texi: The __GNUC__ and related predefined macros
5133         are also defined for the "standalone" cpp.
5134         Some non-GCC compilers may also define __GNUC__.
5136 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
5138         PR c/19342
5139         * c-typeck.c (common_type): New routine.  Old common_type renamed
5140         to...
5141         (c_common_type): ...this.
5142         (build_conditional_expr, build_binary_op): Use c_common_type instead
5143         of common_type.
5145 2005-02-10  Steven Bosscher  <stevenb@suse.de>
5147         * doc/md.texi: Replace @samp{length} with @code{length}.
5149 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5151         PR tree-optimization/18687
5152         * tree-flow.h (find_loop_niter): Declare.
5153         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
5154         Try using scev even for loops with more than one exit.
5155         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
5156         (struct ivopts_data): Added niters field.
5157         (struct nfe_cache_elt): New.
5158         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
5159         functions.
5160         (tree_ssa_iv_optimize_init): Initialize niters cache.
5161         (determine_number_of_iterations): Removed.
5162         (find_induction_variables): Do not call determine_number_of_iterations.
5163         Access niters for single exit through niter_for_single_dom_exit.
5164         (add_iv_outer_candidates): Access niters for single exit through
5165         niter_for_single_dom_exit.
5166         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
5167         number_of_iterations_cond.
5168         (iv_period): New function.
5169         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
5170         (may_replace_final_value): Take data argument.  Use
5171         niter_for_single_dom_exit.
5172         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
5173         (rewrite_use_compare): Pass data to may_eliminate_iv.
5174         (rewrite_use_outer): Pass data to may_replace_final_value.
5175         (free_loop_data): Clean up the niters cache.
5176         (tree_ssa_iv_optimize_finalize): Free the niters cache.
5177         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
5178         * tree-ssa-loop-niter.c (find_loop_niter): New function.
5179         (find_loop_niter_by_eval): Use tree_int_cst_lt.
5180         (num_ending_zeros): Moved to tree.c.
5181         * tree.h (num_ending_zeros): Declare.
5182         * tree.c (num_ending_zeros): Moved from tree.c.
5184 2005-02-09  Richard Henderson  <rth@redhat.com>
5186         * builtins.c (DEF_BUILTIN): Add COND argument.
5187         * tree.h (DEF_BUILTIN): Likewise.
5188         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
5189         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
5190         match.
5191         (DEF_BUILTIN_STUB): New.
5192         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
5193         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
5194         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
5195         * c-common.c (DEF_BUILTIN): Add COND argument.
5196         * tree.c (local_define_builtin): New.
5197         (build_common_builtin_nodes): New.
5199 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5201         * fold-const.c (fold_strip_sign_ops): New function to simplify a
5202         floating point expression ignoring the sign of the result.
5203         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
5204         (fold) <MULT_EXPR>: Use it to simplify x*x.
5205         * tree.h (fold_strip_sign_ops): Prototype here.
5206         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
5207         argument.  Use fold_strip_sign_ops to simplify the first argument.
5208         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
5209         first argument when the second argument is an even integer
5210         constant, but only with -funsafe_math_optimizations.
5211         (fold_builtin_1): Update call to fold_builtin_copysign.
5213 2005-02-09  Ian Lance Taylor  <ian@airs.com>
5215         PR middle-end/19583
5216         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
5217         just check whether EH_FILTER_FAILURE falls through.
5219 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5221         * gcc/haifa-sched.c (schedule_block): Make queued sched group
5222         insns return to ready list in the next turn.
5224 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5226         PR middle-end/19402
5227         * builtins.def: New __builtin_powi[lf].
5228         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
5229         (expand_builtin_powi): New function.
5230         (expand_builtin): Dispatch to expand_builtin_powi.
5231         * libgcc2.h: Add prototypes for __builtin_powi[lf].
5232         * libgcc2.c: Add __builtin_powi[lf] implementation.
5233         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
5234         * optabs.h: Add powi_optab.
5235         * optabs.c (init_optabs): Initialize powi_optab.
5236         * doc/extend.texi: Document __builtin_powi[lf].
5238 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
5240         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
5241         exists.
5243 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
5245         PR middle-end/19854
5246         * fold-const.c (try_move_mult_to_index): Remove redundant
5247         type argument.  Create ADDR_EXPR with correct type.
5248         (fold): Update callers of try_move_mult_to_index.  Convert
5249         result to the appropriate type.
5251 2005-02-09  Roger Sayle  <roger@eyesopen.com>
5253         PR target/19597
5254         * config/avr/avr.c (default_rtx_costs): Delete.
5255         (avr_operand_rtx_cost): New function.
5256         (avr_rtx_costs): Completely rewrite.
5258 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
5260         PR target/19806
5261         * config/cris/cris.c (in_code): New variable.
5262         (cris_output_addr_const): Now a static function, a wrapper for
5263         output_addr_const.
5264         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
5265         case from old cris_output_addr_const.
5266         (cris_asm_output_label_ref): Similar for LABEL_REF.
5267         (cris_output_addr_const_extra): Similar for UNSPEC.
5268         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
5269         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
5270         * config/cris/cris-protos.h (cris_output_addr_const): Remove
5271         declaration.
5272         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
5273         (cris_asm_output_label_ref): Declare.
5275 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
5277         PR preprocessor/19801
5278         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
5279         filenames that changed when libcpp was moved to the toplevel.
5281 2005-02-07  Roger Sayle  <roger@eyesopen.com>
5283         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5284         zero extensions of BImode operands.  Call lowpart_subreg instead
5285         of gen_lowpart_common and gen_lowpart_SUBREG.
5287 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
5289         PR ada/19489
5290         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
5291         * configure.ac: Set cc_for_cross_gnattools.
5292         * configure: Regenerate.
5294 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
5296         PR target/19803
5297         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
5299 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5301         PR debug/19327
5302         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
5303         of nested functions.
5305 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
5307         * doc/extend.texi: Document deprecated extensions allowing
5308         static floating-point members to have initializers and allowing
5309         floating-point literals in integral constant expressions.
5311 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
5313         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
5314         config/darwin7.h, config/mips/mips.c,
5315         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
5316         Update copyright.
5318         * cse.c: Update comments.
5320 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
5322         PR middle-end/19775
5323         * builtins.c (fold_builtin_sqrt): Transform
5324         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5325         pow(x,y*0.5).
5327 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
5328             Dorit Naishlos  <dorit@il.ibm.com>
5330         * doc/invoke.texi (ftree-vectorizer-verbose): New.
5331         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5332         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5333         was added.
5334         * tree.h (vect_set_verbosity_level): New extern function declaration
5335         added.
5336         * tree-vectorizer.h (verbosity_levels): New enum type.
5337         * tree-vectorizer.c (vect_debug_stats): Function removed.
5338         (vect_debug_details): Likewise.
5339         (vect_verbosity_level): Global variable was defined and initialized.
5340         (vect_dump): Global variable definition.
5341         (vect_print_dump_info): New function.
5342         (vect_set_dump_settings): New function.
5343         (vect_set_verbosity_level): New function.
5344         (vectorize_loops): Add call to vect_set_dump_settings.
5346         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5347         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5348         (slpeel_tree_peel_loop_to_edge): Likewise.
5350         (vect_analyze_offset_expr): Call to vect_print_dump_info with
5351         appropriate verbosity level instead of call to vect_debug_details
5352         or vect_debug_stats.
5353         (vect_get_base_and_offset):
5354         (vect_create_addr_base_for_vector_ref):
5355         (get_vectype_for_scalar_type):
5356         (vect_create_data_ref_ptr):
5357         (vect_init_vector):
5358         (vect_get_vec_def_for_operand):
5359         (vect_finish_stmt_generation):
5360         (vectorizable_assignment):
5361         (vectorizable_operation):
5362         (vectorizable_store):
5363         (vectorizable_load):
5364         (vect_transform_stmt):
5365         (vect_update_ivs_after_vectorizer):
5366         (vect_do_peeling_for_loop_bound):
5367         (vect_update_inits_of_drs):
5368         (vect_do_peeling_for_alignment):
5369         (vect_transform_loop):
5370         (vect_is_simple_use):
5371         (vect_analyze_operations):
5372         (vect_is_simple_iv_evolution):
5373         (vect_analyze_scalar_cycles):
5374         (vect_analyze_data_ref_dependence):
5375         (vect_analyze_data_ref_dependences):
5376         (vect_compute_data_ref_alignment):
5377         (vect_enhance_data_refs_alignment):
5378         (vect_analyze_data_refs_alignment):
5379         (vect_analyze_data_ref_access):
5380         (vect_analyze_data_ref_accesses):
5381         (vect_analyze_pointer_ref_access):
5382         (vect_get_memtag_and_dr):
5383         (vect_analyze_data_refs):
5384         (vect_mark_relevant):
5385         (vect_stmt_relevant_p):
5386         (vect_mark_stmts_to_be_vectorized):
5387         (vect_can_advance_ivs_p):
5388         (vect_get_loop_niters):
5389         (vect_analyze_loop_form):
5390         (vect_analyze_loop):
5391         (vectorize_loops): Likewise.
5393         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5394         (vect_update_inits_of_drs):
5395         (vect_do_peeling_for_alignment):
5396         (vect_transform_loop):
5397         (vect_analyze_operations):
5398         (vect_analyze_scalar_cycles):
5399         (vect_analyze_data_ref_dependences):
5400         (vect_analyze_data_refs_alignment):
5401         (vect_analyze_data_ref_accesses):
5402         (vect_analyze_data_refs):
5403         (vect_mark_stmts_to_be_vectorized):
5404         (vect_get_loop_niters):
5405         (vect_analyze_loop_form):
5406         (vect_analyze_loop): Likewise.
5407         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5409 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5411         PR bootstrap/19796
5412         Revert:
5413         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5414         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5415         either -ffast-math or -funsafe-math-optimizations is in use.
5417         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5418         * config/mips/irix-csr.c: New file.
5419         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5420         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5421         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5422         executables.
5424 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5426         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5427         redundant, incorrect definitions.
5429         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5430         expand.
5431         ("*tls_indirect_call"): New, reference hard regs directly.
5432         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5434 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5436         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5437         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5439 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5441         PR rtl-optimization/19800
5442         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5443         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5444         gen_lowpart.
5446 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5448         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5450 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5452         PR other/17135
5453         * doc/invoke.texi: Correct documentation of -freorder-functions.
5455 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5457         PR other/14402
5458         * doc/invoke.texi: Don't mention gccbug.
5460 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5461             Andrew Pinski  <pinskia@physics.uc.edu>
5462             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5464         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5465         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5466         into just (zero_extract:SI FOO (const_int 1) BAR).
5468 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5470         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5471         macro locally.  Don't give last revision date.  Use GCC version
5472         number from gcc-common.texi.
5473         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5474         revision date.  Use GCC version number from gcc-common.texi.
5475         Describe being a library as current state rather than as 3.x
5476         history.
5477         * doc/gcc.texi: Remove last update date.
5478         * doc/gccint.texi: Likewise.  Update copyright dates.
5479         * doc/install.texi: Update copyright dates.
5481 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5483         PR other/7549
5484         * doc/invoke.texi: Mention for each option included in -Wall that
5485         it is included in -Wall.
5486         * doc/gcc.texi: Update copyright and last modification date.
5488 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5490         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5491         unnecessary cast to original induction variable increments.
5493 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5495         PR tree-optimization/18219
5496         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5497         in distributed form.
5499 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5501         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5502         Set bitpos and offset later in the function.  Do nothing if the
5503         target is a register and if the bitfield lies completely outside
5504         that register.
5505         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5506         here.  Return an uninitialised register if the source value is stored
5507         in a register and the bitfield lies completely outside that register.
5509 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5511         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5512         not SET_DEST.
5514 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5516         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5518 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5520         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5521         * config/darwin8.h: New.
5522         * config/darwin7.h: Update comment.
5524 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5525             Dorit Naishlos  <dorit@il.ibm.com>
5527         * tree-vectorizer.h (LOC): New type.
5528         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5529         (loop_line_number): New field in struct _loop_vec_info.
5530         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5532         * tree-vectorizer.c (input.h): Included.
5533         (find_loop_location): New function.
5534         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5535         loop line number removed.
5536         (vect_debug_details): Likewise.
5537         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5539         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5540         call to vect_debug_details/stats changed from loop to loop_loc.
5541         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5542         (slpeel_tree_peel_loop_to_edge): Likewise.
5544         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5545         changed from NULL to UNKNOWN_LOC.
5546         (vect_get_base_and_offset):
5547         (vect_create_addr_base_for_vector_ref):
5548         (get_vectype_for_scalar_type):
5549         (vect_create_data_ref_ptr):
5550         (vect_init_vector):
5551         (vect_get_vec_def_for_operand):
5552         (vect_finish_stmt_generation):
5553         (vectorizable_assignment):
5554         (vectorizable_operation):
5555         (vectorizable_store):
5556         (vectorizable_load):
5557         (vect_transform_stmt):
5558         (vect_update_ivs_after_vectorizer):
5559         (vect_do_peeling_for_loop_bound):
5560         (vect_do_peeling_for_alignment):
5561         (vect_transform_loop):
5562         (vect_is_simple_use):
5563         (vect_analyze_operations):
5564         (vect_is_simple_iv_evolution):
5565         (vect_analyze_scalar_cycles):
5566         (vect_analyze_data_ref_dependences):
5567         (vect_compute_data_ref_alignment):
5568         (vect_enhance_data_refs_alignment):
5569         (vect_analyze_data_ref_access):
5570         (vect_analyze_data_ref_accesses):
5571         (vect_analyze_pointer_ref_access):
5572         (vect_get_memtag_and_dr):
5573         (vect_analyze_data_refs):
5574         (vect_mark_relevant):
5575         (vect_stmt_relevant_p):
5576         (vect_mark_stmts_to_be_vectorized):
5577         (vect_can_advance_ivs_p):
5578         (vect_get_loop_niters):
5579         (vect_analyze_loop):
5580         (vectorize_loops): Likewise.
5582         (vectorizable_load): Argument in call to vect_debug_details/stats
5583         changed from loop to LOOP_LOC (loop_vinfo).
5584         (vect_transform_loop):
5585         (vect_analyze_operations):
5586         (vect_analyze_scalar_cycles):
5587         (vect_analyze_data_ref_dependence):
5588         (vect_enhance_data_refs_alignment):
5589         (vect_analyze_data_ref_accesses):
5590         (vect_analyze_pointer_ref_access):
5591         (vect_analyze_data_refs):
5592         (vect_analyze_loop): Likewise.
5594         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5595         changed from loop to loop_loc.
5597         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5599 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5600             Dorit Naishlos  <dorit@il.ibm.com>
5602         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5603         declaration added.
5604         (vect_analyze_data_ref_dependences): Likewise.
5606         (vect_is_simple_use): Argument changed from loop structure to
5607         loop_vect_info structure.
5608         (vect_can_advance_ivs_p): Likewise.
5609         (vect_create_index_for_vector_ref): Likewise.
5610         (vect_update_ivs_after_vectorizer): Likewise.
5611         (new_stmt_vec_info): Likewise.
5613         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5614         changed from loop to loop_vinfo.
5615         (vect_create_data_ref_ptr): First argument in call to
5616         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5617         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5618         was changed from loop to loop_vinfo.
5619         (vectorizable_operation): Likewise.
5620         (vectorizable_store): Likewise.
5621         (vect_mark_stmts_to_be_vectorized): Likewise.
5622         (vect_do_peeling_for_loop_bound): First argument in call to
5623         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5624         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5625         was changed from loop to loop_vinfo.
5626         (vect_analyze_data_ref_dependences): Third argument in call to
5627         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5629         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5630         (vect_create_data_ref_ptr): Likewise.
5631         (vect_init_vector): Likewise.
5632         (vect_get_vec_def_for_operand): Likewise.
5633         (vectorizable_assignment): Likewise.
5634         (vectorizable_operation): Likewise.
5635         (vectorizable_store): Likewise.
5636         (vectorizable_load): Likewise.
5637         (vect_update_ivs_after_vectorizer): Likewise.
5638         (vect_is_simple_use): Likewise.
5639         (vect_analyze_data_ref_dependence): Likewise.
5640         (vect_analyze_pointer_ref_access): Likewise.
5641         (vect_can_advance_ivs_p): Likewise.
5643         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5644         before _stmt_vec_info.
5645         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5646         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5647         (new_stmt_vec_info): Argument changed from loop structure to
5648         loop_vect_info structure
5650         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5651         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5652         (vect_create_addr_base_for_vector_ref): Likewise.
5653         (vect_analyze_pointer_ref_access): Likewise.
5655 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5657         PR tree-opt/19768
5658         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5659         phi flag if the phi is abnormal.
5661 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5663         PR tree-opt/19736
5664         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5665         information for the new statement.
5667 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5669         PR driver/19117
5670         * gcc.c (main): Include the target in -v output.
5672 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5674         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5675         Do not drop the extend if we'd have to add a paradoxical subreg
5676         later.  Include optabs.h and insn-codes.h.
5677         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5679 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5681         PR middle-end/19405
5682         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5683         * fold-const.c (const_binop): Avoid constant folding floating
5684         point operations in modes that use composite representations.
5685         * simplify-rtx.c (simplify_binary_operation): Likewise.
5687 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5689         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5690         a REG, not a MEM.
5691         (altivec_dstt): Likewise.
5692         (altivec_dstst): Likewise.
5693         (altivec_dststt): Likewise.
5694         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5695         of first operand.
5697 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5699         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5700         EXPR_LOCUS from orig_cond to the new cond_stmt.
5701         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5702         the new vec_stmt.
5704 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5706         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5707         standard_iv_increment_position. Remove call to bsi_next
5708         (no need to bump the iterator anymore).
5709         (vect_create_index_for_vector_ref): Call
5710         standard_iv_increment_position. Remove second function argument.
5711         (vect_finish_stmt_generation): Remove call to bsi_next
5712         (no need to bump the iterator anymore).
5713         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5714         to vect_create_index_for_vector_ref.
5716 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5718         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5719         phis are used out of the loop.
5721 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5723         PR c/17807
5724         * c-decl.c (undef_nested_function): New variable.
5725         (pop_scope): Diagnose undefined nested functions.
5726         (finish_function): Don't attempt cgraph processing or genericizing
5727         if current top-level function contained an undefined nested
5728         function.  Reset undef_nested_function at the end of a top-level
5729         function.
5731 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5733         * tree.c (build_int_cst_type): Take sign of the value into account
5734         when deciding whether sign extend the value.
5736 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5738         PR c/18502
5739         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5740         (cpp_options, cc1_options): Change %{std*&ansi} to
5741         %{std*&ansi&trigraphs}.
5743 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5745         * cse.c: Update comments.
5747 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5749         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5750         arguments go on the stack.  Do not put complex doubles in odd/even
5751         pairs.
5753 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5755         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5756         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5757         -ftree-pre, and -fthread-jumps.
5759 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5761         PR tree-optimization/19578
5762         * tree-flow.h (modified_noreturn_calls): Declare.
5763         (noreturn_call_p): Declare.
5764         * tree-flow-inline.h (noreturn_call_p): New function.
5765         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5766         * tree-cfg.c (modified_noreturn_calls): New variable.
5767         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5768         that contain a mid-block noreturn call.
5769         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5771 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5773         * df.c (df_def_record_1, df_uses_record): Don't use
5774         DF_FOR_REGALLOC.
5775         * df.h (DF_FOR_REGALLOC): Remove.
5777 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5779         PR c/19435
5780         * c-typeck.c (really_start_incremental_init): Reset
5781         constructor_max_index for arrays of incomplete type.
5783 2005-02-02  Jeff Law  <law@redhat.com>
5785         * gcse.c (struct reg_set): Store the block index where the register
5786         was set rather than the setting insn.
5787         (record_one_set, compute_transp): Corresponding changes.
5788         (pre_insert_copy_insn): Do not call replace_one_set.
5789         (replace_one_set): Remove.
5791 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5793         PR other/15514
5794         * doc/gcov.texi: Fix typo.
5796 2005-02-01  Richard Henderson  <rth@redhat.com
5798         PR target/19680
5799         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5800         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5801         type to bool.
5802         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5803         * config/i386/i386-protos.h: Update.
5805 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5807         PR tree-optimization/19217
5808         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5809         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5810         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5811         that it is walking a PHI node.
5813 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5815         * doc/extend.texi (Nested Functions): Update.
5817 2005-02-01  Richard Henderson  <rth@redhat.com>
5819         PR 19696
5820         * optabs.c (expand_copysign_absneg): Export.
5821         * optabs.h (expand_copysign_absneg): Declare.
5822         * config/rs6000/rs6000.md (copysigntf3): New.
5824 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5826         PR tree-optimization/19633
5827         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5828         * tree-ssa-alias.c (init_alias_info): Initialize.
5829         (merge_pointed_to_info): Set.
5830         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5831         (dump_points_to_info_for): Show value of pt_null.
5832         (struct count_ptr_d): Declare.
5833         (find_ptr_dereference): Remove.
5834         (ptr_is_dereferenced_by): Remove.
5835         (count_ptr_derefs): New local function.
5836         (count_uses_and_derefs): New local function.
5837         (compute_points_to_and_addr_escape): Call it.  If the number
5838         of dereferences is greater than zero, mark the pointer as
5839         dereferenced.  If there are fewer dereferences than uses of
5840         the pointer, the pointer's value escapes.
5842 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5844         PR tree-optimization/19670
5845         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5846         here...
5847         (verify_use): ... set it here, instead.
5849 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5851         * doc/sourcebuild.texi (Test directives): Fix formatting.
5853         * doc/sourcebuild.texi (Test directives): Describe selector
5854         expressions.
5856 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5858         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5859         specific 64-bit CPUs.
5861 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5863         PR target/16201
5864         * arm.c (arm_eliminable_register): New function.
5865         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5866         HOST_WIDE_INT for address offsets.
5867         * arm-protos.h (arm_eliminable_register): Add prototype.
5869 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5871         PR optimization/15242
5872         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5873         * basic-block.h (duplicate_computed_gotos): Add prototype.
5874         * bb-reorder.c (duplicate_computed_gotos): New function to
5875         duplicate sufficiently small blocks ending in a computed jump.
5876         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5877         if not optimizing for size.
5878         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5879         never do tail merging for blocks ending in a computed jump.
5880         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5882 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5884         Patch from Richard Sandiford <rsandifo@redhat.com>
5885         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5886         from inheriting a subreg equivalence with a non-spill register.
5888         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5890 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5892         * config/frv/frv.c (movcc_fp_destination_operand): New.
5893         (gpr_or_memory_operand): Fix typo in comment.
5894         (gpr_or_memory_operand_with_scratch): New.
5895         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5896         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5897         movcc_fp_destination_operand.
5898         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5899         Legitimize memory addresses using a scratch register.
5901 2005-01-31  Jeff Law  <law@redhat.com>
5903         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5904         bitmap a sparse bitmap instead of a simple bitmap.
5905         (mark_def_sites_initialize_block):  Corresponding changes.
5906         (ssa_mark_def_sites_initialize_block): Likewise.
5907         (ssa_mark_phi_uses): Likewise.
5908         (mark_def_site, ssa_mark_def_sites): Likewise.
5909         (mark_def_site_blocks): Likewise.
5910         (rewrite_ssa_into_ssa): Likewise.
5912         * tree-ssa-dom.c (record_cond): Pass correct variable type
5913         for last argument to htab_find_slot_with_hash.
5915         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5916         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5918 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5920         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5921         1_mmalua.
5923 2005-02-01  Eric Christopher  <echristo@redhat.com>
5925         * config/mips/mips.c (override_options): Warn if -mint64
5926         is used.
5927         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5928         deprecated.
5930 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5932         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5933         timestamp.
5934         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5935         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5936         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5937         (cached_regno): Initialize to INVALID_REGNUM.
5938         (cse_reg_info_table_size,
5939         cse_reg_info_table_first_uninitialized,
5940         cse_reg_info_timestamp): New.
5941         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5942         get_cse_reg_info.
5943         (init_cse_reg_info, get_cse_reg_info_1): New.
5944         (get_cse_reg_info): Cache the last look-up.
5945         (new_basic_block): Update the code to clear mappings from
5946         registers to cse_reg_info entries.
5947         (cse_main): Call init_cse_reg_info.
5949         * cse.c (get_cse_reg_info): Update a comment.
5951 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5953         PR c/19333
5954         * c-decl.c (start_decl): Do not warn about arrays of elements with
5955         an incomplete type here.
5956         (grokdeclarator): Do it here by making a pedwarn an error.
5957         * c-typeck.c (push_init_level): If there were previous errors with
5958         the constructor type, do not warn about braces for initializers.
5959         (process_init_element): Likewise for excess initializer elements.
5961 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5963         * cse.c (delete_trivially_dead_insn): Don't iterate.
5965 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5967         * config/rs6000/rs6000.md (copysignsf3): New expand.
5968         (copysigndf3): Likewise.
5970 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5972         * recog.c (constrain_operands): Only look for earlyclobber operand
5973         conflicts if an '&' constraint was seen.
5975 2005-01-31  Marc Espie <espie@openbsd.org>
5977         * config.gcc: Don't include embedded systems fragment, switches default
5978         debugging format to ELF.
5979         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5980         longer pick it up there.
5982 2005-01-31  Dale Johannesen  <dalej@apple.com>
5984         * doc/extend.texi (nested functions): Fix linkage description.
5985         Clarify that static is not allowed.
5987 2005-01-31  Dale Johannesen  <dalej@apple.com>
5989         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5990         (movdf_low_di):  Make work.
5992 2005-01-31  Dale Johannesen  <dalej@apple.com>
5994         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5995         Make work for 64 bit.
5997 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5998             Dale Johannesen  <dalej@apple.com>
6000         PR middle-end/19650
6001         * fold-const.c (fold_binary_op_with_conditional_arg):
6002         Make types match original operands, before STRIP_NOPS.
6004 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
6006         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
6007         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
6008         (struct gcc_sigcontext): Delete.  Merge contents to..
6009         (struct gcc_ucontext): ..here.
6010         (get_sigcontext): Delete.
6011         (get_regs): New function, like get_sigcontext but return regs ptr.
6012         64-bit version finds regs from r1 to support vdso.
6013         (ppc_linux_aux_vector): New function.
6014         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
6015         and vector regs.
6017 2005-01-31  Ira Rosen  <irar@il.ibm.com>
6019         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
6020         sizetype.
6021         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
6022         redundant fold. Fix misalignment for MINUS_EXPR.
6023         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
6024         (vect_analyze_pointer_ref_access): Likewise.
6025         (vect_get_memtag_and_dr): Likewise.
6027 2005-01-31  Richard Henderson  <rth@redhat.com>
6029         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
6030         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
6031         absnegdf2_i387, absnegxf2_i387): Likewise.
6033 2005-01-31  Richard Henderson  <rth@redhat.com>
6035         PR 19696
6036         * optabs.c (expand_copysign_absneg): New.
6037         (expand_copysign_bit): Split out from ...
6038         (expand_copysign): ... here.  Use expand_copysign_absneg.
6040 2005-01-30  Roger Sayle  <roger@eyesopen.com>
6042         PR middle-end/19697
6043         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
6044         constant as the second operand and a register as the third.
6046 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
6048         PR target/19704
6049         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
6050         that dllimport'd functions do not use all call-clobbered registers
6051         to pass parameters.
6053 2005-01-30  Richard Henderson  <rth@redhat.com>
6055         PR 19696
6056         * optabs.c (expand_absneg_bit): Split out from expand_unop and
6057         expand_abs_nojump and generalize.  Use operand_subword and
6058         emit_no_conflict_block.  Support large modes.
6059         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
6060         back to maximum.
6061         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
6062         negation to subtraction.
6063         (expand_copysign): Check that the format has signed zeros.
6064         Use operand_subword and emit_no_conflict_block.  Support large modes.
6066 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
6068         Fix PR tree-optimization/19624
6070         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
6071         * tree-ssa-pre.c: Add cfgloop.h.
6072         Update comment.
6073         (pre_stats): New member, constified.
6074         (inserted_exprs): New static variable.
6075         (NECESSARY): New macro.
6076         (create_expression_by_pieces): Fold the expression, and
6077         mark it as defaulting to not necessary. Also put in
6078         inserted_exprs.
6079         (fully_constant_expression): New function.
6080         (insert_into_preds_of_block): Modify to not insert phis when we
6081         are playing with induction variables.
6082         Push phis onto the inserted_exprs vector, and mark them as not
6083         necessary by default.
6084         (insert_aux): Call fully_constant_expression on eprime.
6085         If all edges produce the same value, mark it constant.
6086         (mark_operand_necessary): New function.
6087         (remove_dead_inserted_code): New function.
6088         (init_pre): Init loop optimizer to get loop info.
6089         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
6090         (execute_pre): Commit edge inserts, then remove dead code.
6092 2005-01-30  Richard Henderson  <rth@redhat.com>
6094         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
6095         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
6097 2005-01-30  Richard Henderson  <rth@redhat.com>
6099         PR target/19700
6100         * config/i386/i386.c (ix86_expand_copysign): New.
6101         (ix86_split_copysign_const): New.
6102         (ix86_split_copysign_var): Rename from ix86_split_copysign,
6103         rearrange op1/nmask operands.
6104         * config/i386/i386-protos.h: Update.
6105         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
6106         (copysigndf3): Likewise.
6107         (copysignsf3_const, copysigndf3_const): New.
6108         (copysignsf3_var): Rename from copysignsf3, split out splitter
6109         and fix split predicate for X constraint.
6110         (copysigndf3_var): Similarly.
6112 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
6114         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
6115         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
6116         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
6118 2005-01-29  Richard Henderson  <rth@redhat.com>
6120         PR target/19690
6121         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
6122         of # and * in constraints.
6124 2005-01-29  Richard Henderson  <rth@redhat.com>
6126         PR middle-end/19689
6127         * expr.c (store_field): Don't strip sub-mode cast when the input
6128         data is even smaller.
6130 2005-01-29  Richard Henderson  <rth@redhat.com>
6132         PR middle-end/19687
6133         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
6134         union being empty.
6136 2005-01-29  Richard Henderson  <rth@redhat.com>
6138         * combine.c (make_field_assignment): Fix argument order
6139         to gen_int_mode.
6141 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
6143         PR tree-optimization/15791
6144         * fold-const.c (extract_array_ref): New function.
6145         (fold): Fold comparisons between &a[i] and &a[j] or
6146         semantically equivalent trees.
6148 2005-01-29  Jeff Law  <law@redhat.com>
6150         * gcse.c (insert_expr_in_table): Revamp handling of available
6151         and anticipatable occurrence lists to avoid unnecessary list
6152         walking.
6153         (insert_set_in_table): Similarly.
6155 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
6157         * c-common.c (fix_string_type): Just use c_build_qualified_type to
6158         build string type.
6159         (c_build_qualified_type): Build qualified array types with
6160         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
6161         * c-decl.c (c_make_fname_decl): Build unqualified array type
6162         before qualified type.
6163         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
6164         type is qualified, not just if type itself is.  Don't apply
6165         qualifiers to array type when declarator is processed.  Apply
6166         qualifiers to field type whether or not it is an array type.
6167         Don't handle array types specially for applying qualifiers to
6168         variables.
6169         * c-typeck.c (composite_type): Build unqualified element type and
6170         array type when forming composite of array types.
6171         (common_pointer_type, comptypes, comp_target_types,
6172         type_lists_compatible_p, build_indirect_ref, build_array_ref,
6173         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
6174         types.
6175         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
6176         (args2) in variables a1 and a2.
6178 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
6180         * cse.c (n_elements_made, max_elements_made): Remove.
6181         (insert): Don't touch n_elements_made.
6182         (cse_main): Don't touch n_elements_made or max_elements_made.
6184 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
6186         PR target/15384
6187         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
6188         configuration part of dp-bit.c to be lost.
6190 2005-01-28  Roger Sayle  <roger@eyesopen.com>
6192         * expmed.c (expand_mult_highpart_optab): When attempting to use
6193         a non-widening multiplication in a wider mode, the operands need
6194         to be converted (zero or sign extended) to that mode.
6196 2005-01-28  Ian Lance Taylor  <ian@airs.com>
6198         PR middle-end/16558
6199         PR middle-end/19583
6200         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
6201         through if both operands fall through.
6203 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6205         * cse.c (fold_rtx) <PC>: Don't optimize.
6207 2005-01-28  Jeff Law  <law@redhat.com>
6209         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
6210         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
6212 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
6214         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
6215         cse_reg_info_used_list_end): Remove.
6216         (cse_reg_info_list, cse_reg_info_list_free): New.
6217         (get_cse_reg_info): When allocating an instance of
6218         cse_reg_info, add it to the beginning of the cse_reg_info_list
6219         list.  Remove code to maintain cse_reg_info_used_list.
6220         (new_basic_block): Reset the free list to the beginning of
6221         cse_reg_info_list.
6223 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
6225         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
6226         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
6227         (frv_expand_mdpackh_builtin): New function.
6228         (frv_expand_builtin): Use it to expand __MDPACKH.
6229         * doc/extend.texi (__MDPACKH): Update documentation.
6231 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
6233         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
6234         SSE_FLOAT_MODE_P for use_sse computation.
6236 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
6238         PR target/19663
6239         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
6241 2005-01-27  Richard Henderson  <rth@redhat.com>
6243         * builtins.c (expand_builtin_copysign): New.
6244         (expand_builtin): Call it.
6245         * genopinit.c (optabs): Add copysign_optab.
6246         * optabs.c (init_optabs): Initialize it.
6247         (expand_copysign): New.
6248         * optabs.h (OTI_copysign, copysign_optab): New.
6249         (expand_copysign): Declare.
6251         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
6252         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
6254         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
6255         (ix86_expand_fp_absneg_operator): ... here.
6256         (ix86_split_copysign): New.
6257         * config/i386/i386-protos.h: Update.
6258         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
6259         (copysignsf3, copysigndf3): New.
6261         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
6262         (copysignsf3, ncopysignsf3): New.
6263         (copysigndf3, ncopysigndf3): New.
6264         (copysignxf3, ncopysignxf3): New.
6265         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
6267 2005-01-27  Arend Bayer  <arend.bayer@web.de>
6268             Kazu Hirata  <kazu@cs.umass.edu>
6270         * cse.c: (find_best_addr): Don't call copy_rtx before calling
6271         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
6272         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
6273         NULL_RTX.
6275 2005-01-27  Jeff Law  <law@redhat.com>
6277         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
6278         definitions of SSA_NAMEs which are not being rewritten.
6279         (rewrite_ssa_into_ssa): Only initialize the current definition
6280         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
6281         If checking is enabled, assert that SSA_NAME_AUX is clear for all
6282         SSA_NAMEs before returning.
6284 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
6286         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
6287         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
6288         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
6289         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
6290         config/mips/iris6.h, config/sh/sh.c: Update copyright.
6292 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6294         PR middle-end/17278
6295         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
6296         higher to -O2 and higher.  Likewise for tree PRE.
6297         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
6298         and better.
6300 2005-01-27  Ian Lance Taylor  <ian@airs.com>
6302         PR middle-end/19583
6303         * gimple-low.c (try_catch_may_fallthru): New static function.
6304         (block_may_fallthru): Handle TRY_CATCH_EXPR.
6305         * tree-inline.c (expand_call_inline): Don't warn about reaching
6306         the end of a non-void function being inlined if the function uses
6307         a return slot.
6309 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
6311         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
6313         PR c/18946
6314         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
6315         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
6316         (implicitly_declare): Handle error_mark_node.
6318 2005-01-27  Richard Henderson  <rth@redhat.com>
6320         PR tree-opt/14329
6321         * tree.h (struct tree_decl): Add debug_expr_is_from.
6322         (DECL_DEBUG_EXPR_IS_FROM): New.
6323         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6324         * dwarf2out.c (dwarf2out_var_location): Update to match.
6325         * tree-outof-ssa.c (create_temp): Likewise.
6326         * var-tracking.c (track_expr_p): Likewise.
6327         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6328         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6329         * toplev.c (default_tree_printer): Likewise.
6331 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
6333         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6334         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6336 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6338         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6339         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6340         ASM_CLOBBERS): Add tree checks.
6342         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6343         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6344         * c-common.def (SWITCH_STMT): Update to match.
6345         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6346         macros instead of SWITCH_EXPR ones.
6347         * c-dump.c (c_dump_tree): Likewise.
6348         * c-gimplify.c (gimplify_switch_stmt): Likewise.
6349         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6351         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6353 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
6355         * unwind-dw2.c (execute_stack_op): Add missing cases for
6356         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6358 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
6360         * config.gcc (Obsolete configurations): Remove 'dummy', add
6361         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6362         sparc-*-openbsd*.
6364 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
6366         PR tree-optimization/19633
6367         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6368         CALL_EXPRs.
6369         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6370         are no call-clobbered variables.
6371         * tree-outof-ssa.c (check_replaceable): Return false for calls
6372         with side-effects.
6374 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6376         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6377         even for variables with NULL DECL_INITIAL.
6379 2005-01-26  Stuart Hastings  <stuart@apple.com>
6381         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6383 2005-01-26  Richard Henderson  <rth@redhat.com>
6385         PR middle-end/18008
6386         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6387         field's type.
6388         * expr.c (store_field): Strip conversions to odd-bit-sized types
6389         if the destination field width matches.
6391 2005-01-26  Richard Henderson  <rth@redhat.com>
6393         * c-decl.c, expmed.c, expr.c: Revert last change.
6395 2005-01-26  Richard Henderson  <rth@redhat.com>
6397         PR middle-end/18008
6398         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6399         field's type.
6400         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6401         if we don't need the bits above those present in the current mode.
6402         * expr.c (store_field): Strip conversions to odd-bit-sized types
6403         if the destination field width matches.
6405 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6407         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6408         either -ffast-math or -funsafe-math-optimizations is in use.
6410 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6412         PR target/19293
6413         PR target/19329
6414         * config/avr/avr.c (notice_update_cc): Only set condition code for
6415         ashrqi3 if shift count > 0.
6416         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6417         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6418         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6419         count <= 0 as a no-op, and shift count >= width by copying zero
6420         or sign bit to all bits of the result.
6421         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6422         count, with attribute "length" set to 0 and "cc" set to "none".
6424 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6426         * doc/invoke.texi: Document -mTLS.
6428         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6429         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6430         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6431         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6432         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6433         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6434         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6435         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6437         * configure.ac: Check for a TLS capable gas.
6439         * configure: Regenerate.
6441 2005-01-26  Richard Henderson  <rth@redhat.com>
6443         PR middle-end/18008
6444         * combine.c (make_field_assignment): Simplify store to zero_extract
6445         from a source with an overlapping mask.
6447 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6449         2004-11-11  Eric Christopher  <echristo@redhat.com>
6451         * config/frv/frv.md: Add fr400_integer automaton. Don't
6452         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6453         to TYPE_MACC.
6455 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6457         PR middle-end/16585
6458         * cfgbuild.c (make_edges): Do not clear or set
6459         current_function_has_computed_jump.
6460         * function.h (struct function): Remove the has_computed_jump field.
6461         (current_function_has_computed_jump): Do not define.
6462         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6463         in a computed jump.  Ignore current_function_has_computed_jump.
6465 2005-01-26  Richard Henderson  <rth@redhat.com>
6467         PR middle-end/19515
6468         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6469         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6470         fully initialized.
6471         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6472         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6473         objects into static storage if they have more than one non-zero value.
6474         * tree.h (categorize_ctor_elements): Update decl.
6476 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6478         PR middle-end/19616
6479         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6480         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6481         to this function from 2004-07-10.
6482         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6483         the current function for tail call optimizations if the address
6484         of one of it its arguments is taken.
6486 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6488         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6490 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6492         * function.c (expand_function_end): If current_function_calls_alloca,
6493         emit stack restore in a place that is reached when the function falls
6494         through at the end.
6496 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6498         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6499         rule to avoid matching inappropriate suffix rule.
6501 2005-01-26  Jan Hubicka  <jh@suse.cz>
6503         PR tree-optimization/19241
6504         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6506 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6508         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6509         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6510         of doubling.
6511         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6512         <sim*>: Always use crt1.o, regardless of N in simN.
6513         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6514         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6515         (CRT_CALL_STATIC_FUNCTION): Remove.
6516         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6517         use crt1.o, regardless of N in simN.
6518         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6519         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6520         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6521         case isystem setting.
6522         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6524 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6526         * gimple-low.c (block_may_fallthru): Correct handling of
6527         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6529 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6531         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6532         handlers to match indentation; nested under the mtune=* handler.
6533         Similar for mcpu= and march=.
6535 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6537         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6538         * config/mips/linux64.h (LIB_SPEC): Likewise.
6539         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6540         * config/sh/linux.h (LIB_SPEC): Likewise.
6542 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6544         * config/frv/frv.c (frv_legitimize_tls_address): New.
6545         (TARGET_HAVE_TLS): Define.
6546         (FRV_SYMBOL_REF_TLS_P): Define.
6547         (frv_override_options): Handle new register classes.
6548         (frv_legitimate_address_p): Reject tls addresses.
6549         (frv_legitimize_address): Handle TLS addresses.
6550         (gen_inlined_tls_plt): New.
6551         (gen_tlsmoff): New.
6552         (frv_legitimize_tls_address): New.
6553         (unspec_got_name): Add TLS entries.
6554         (got12_operand): Add R_FRV_TLSMOFF12 case.
6555         (frv_emit_move): Fixup TLS addresses.
6556         (frv_emit_movsi): Legitimize TLS addresses.
6558         * config/frv/frv.h (MASK_BIG_TLS): New.
6559         (TARGET_BIG_TLS): New.
6560         (HAVE_AS_TLS): Define.
6561         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6562         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6563         (REG_CLASS_NAMES): Same.
6564         (REG_CLASS_CONTENTS): Same.
6565         (CONSTRAINT_LEN): New.
6566         (REG_CLASS_FROM_CONSTRAINT): New.
6567         (PREDICATE_CODES): Add symbolic_operand.
6569         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6570         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6571         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6572         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6573         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6574         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6575         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6576         GR9_REG, GR14_REG, LRREG.
6577         (type): Add load_or_call attribute.
6578         ("load_or_call"): New reservation.
6579         ("call_gettlsoff"): New.
6580         ("tls_indirect_call"): New.
6581         ("tls_load_gottlsoff12"): New.
6582         ("tlsoff_hilo"): New.
6583         ("tls_tlsdesc_ldd"): New.
6584         ("tls_tlsoff_ld"): New.
6585         ("tls_lddi"): New.
6587         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6589         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6591         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6592         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6593         * config/frv/frv.c (TLS_BIAS): Define.
6594         (frv_output_dwarf_dtprel): New.
6596 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6598         PR rtl-optimization/19579
6599         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6600         both A and B, see if they don't clobber registers the other expr uses.
6602 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6604         * real.c (do_add): Initialize signalling and canonical members.
6606         * real.c (real_from_integer): Zero out destination.
6608 2005-01-18  Jan Hubicka  <jh@suse.cz>
6610         PR tree-optimize/19337
6611         * tree-inline.c (initialize_inlined_parameters): Copy
6612         saved_static_chain_decl only.
6614 2005-01-25  Richard Henderson  <rth@redhat.com>
6616         PR target/19556
6617         PR target/19584
6618         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6619         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6620         80387 enabled, to return a proper subclass.  Return the subset that
6621         overlaps with GENERAL_REGS for PLUS.
6622         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6624 2005-01-25  Richard Henderson  <rth@redhat.com>
6626         PR middle-end/19609
6627         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6629 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6631         * expmed.c (choose_multiplier): Change interface to return the
6632         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6633         (expand_divmod): Update calls to choose_multiplier.
6635 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6637         PR middle-end/19330
6638         * expmed.c (extract_bit_field): Use adjust_address instead of
6639         gen_lowpart when op0 is a MEM.
6641 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6643         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6645 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6647         * config/mips/irix-csr.c: New file.
6648         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6649         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6650         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6651         executables.
6653 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6655         PR bootstrap/19364
6656         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6657         sparc/elf.h, add sparc/sp-elf.h.
6658         (sparc-*-rtems*): Likewise.
6659         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6660         tm-dwarf2.h, add sparc/sp-elf.h.
6661         (sparc86x-*-elf): Likewise.
6662         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6663         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6664         TARGET_OS_CPP_BUILTINS.
6665         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6666         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6667         Undefine it.
6668         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6669         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6670         (SWITCH_TAKES_ARG): Likewise.
6671         (LOCAL_LABEL_PREFIX): Likewise.
6672         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6673         (TARGET_N_FORMAT_TYPES): Delete.
6674         (TARGET_FORMAT_TYPES): Likewise.
6675         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6676         * config/sparc/elf.h: Delete.
6677         * config/sparc/sp-elf.h: New file.
6679 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6681         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6682         * tree-flow.h: Remove the corresponding prototype.
6683         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6684         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6686 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6688         PR target/17751
6689         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6690         for AIX ABI or ELF -fPIC.
6691         (rs6000_emit_load_toc_table): Don't create toc_section here.
6692         (rs6000_xcoff_file_start): Nor here.
6694 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6696         * sh.c (ra.h): Don't #include.
6697         (hard_regs_intersect_p): New function, resurrected from ra.c.
6699         * sh.c: Fix 1996 Copyright.
6701 2005-01-24  Richard Henderson  <rth@redhat.com>
6702             Aldy Hernandez  <aldyh@redhat.com>
6704         * regrename.c (note_sets): Handle subregs.
6706 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6708         PR bootstrap/18058
6709         * genconditions.c (write_header, write_conditions): Elide file if
6710         not GCC >= 3.0.1.
6712 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6714         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6715         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6716         Update copyright.
6718 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6720         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6721         expand_builtin_printf, expand_builtin_fprintf,
6722         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6723         checking against POINTER_TYPE.
6724         (validate_arglist): Handle POINTER_TYPE code by checking
6725         POINTER_TYPE_P.
6727 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6729         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6730         init_rtlanal): New.
6731         (for_each_rtx): Call for_each_rtx_1.
6732         * rtl.h (init_rtlanal): Declare.
6733         * toplev.c (backend_init): Call init_rtlanal.
6735 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6737         * flow.c (propagate_one_insn): Formatting.
6739         PR middle-end/19551
6740         * flow.c (libcall_dead_p): Be more conservative if unsure.
6741         If there are any instructions between insn and call, see if they are
6742         all dead before saying the libcall is dead.
6744 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6746         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6747         operand constraint for operand 0.
6749 2005-01-23  Richard Henderson  <rth@redhat.com>
6751         PR 19486
6752         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6753         edges leading to join block.
6755 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6757         * expmed.c (expand_mult_highpart): Make static.  Change type of
6758         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6759         (expand_divmod): Updates calls to expand_mult_highpart by using
6760         gen_int_mode to pass a CONST_INT rtx.
6761         * rtl.h (expand_mult_highpart): Remove prototype.
6763 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6765         * flow.c (regset_bytes, regset_size): Remove.
6767         * cfganal.c: Fix a reference to Harvey's paper.
6769 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6771         PR rtl-optimization/19464
6772         * tree-optimize.c (init_tree_optimization_passes): Add one more
6773         copyrename pass just before out-of-ssa.
6775 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6777         PR bootstrap/18058
6778         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6779         * ggc-none.c (ggc_free): Define.
6781 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6783         * cse.c (max_reg, max_insn_uid): Remove.
6784         (cse_main): Don't access max_reg or max_insn_uid.
6786         * c-common.c (explicit_flag_signed_bitfields,
6787         lang_statement_code_p, lang_expand_function_end): Remove.
6788         * c-common.h: Remove the corresponding declarations.
6789         * c-opts.c (c_common_handle_option): Remove all write access
6790         to explicit_flag_signed_bitfields.
6792         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6793         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6794         * cgraph.h: Remove the corresponding declaration.
6796         * gcse.c (null_pointer_info): Remove.
6798 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6799             Eric Botcazou  <ebotcazou@libertysurf.fr>
6801         * combine.c (simplify_logical): Only simplify logical expressions
6802         of the form ior(and(x,y),z) by the inverse distributive law if the
6803         result is cheaper than the original.
6805 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6807         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6808         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6809         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6810         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6811         config/freebsd-spec.h, config/arm/arm.h,
6812         config/h8300/h8300.md, config/i386/i386.md,
6813         config/i386/predicates.md, config/i386/sse.md,
6814         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6815         config/vax/vax.md: Fix comment typos.  Follow spelling
6816         conventions.
6818 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6820         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6821         tests, instead of `less than'.
6823 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6825         * function.c (assign_parm_setup_block): When creating a new stack slot
6826         for a parameter, get its alignment from the parameter's DECL_ALIGN
6827         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6828         is at least word aligned.
6830 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6832         PR middle-end/19378
6833         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6835 2005-01-22  Richard Henderson  <rth@redhat.com>
6837         PR target/19506
6838         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6839         in both compare operands.
6840         (movdfcc_1_sse_max): Likewise.
6841         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6842         (movdfcc_1_sse): Likewise.
6843         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6844         scratch register as needed.
6846 2005-01-22  Richard Henderson  <rth@redhat.com>
6848         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6850         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6852 2005-01-22  Richard Henderson  <rth@redhat.com>
6854         * genopinit.c (optabs): Use smin/smax for floating point too.
6855         * doc/md.texi: Update to match.  Clarify that floating point
6856         results are undefined for +0/-0 and NaN.
6857         * doc/rtl.texi: Likewise.
6858         * rtl.def (SMIN, SMAX): Likewise
6859         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6861         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6862         leading 's' to the name.
6863         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6864         smaxxf3, sminxf3): Likewise.
6865         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6866         Likewise.
6868 2005-01-22  Paul Brook  <paul@codesourcery.com>
6870         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6872 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6874         * config/s390/s390.c (struct processor_costs): New fields
6875         dlgr, dlr, dr, dsgfr, dsgr.
6876         (z900_cost, z990_cost): Values for new fields.
6877         (s390_rtx_costs): New cases MEM und COMPARE in switch
6878         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6879         DIV, MOD, UDIV, UMOD.
6881 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6883         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6884         into the register being decremented.
6885         ("doloop_si31", "doloop_di"): Likewise.
6886         ("*doloop_si_long"): Adapt pattern.
6888 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6890         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6891         access registers.
6892         (CLASS_MAX_NREGS): Likewise.
6894 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6896         * doc/tree-ssa.texi (Statement Operands): Add example for new
6897         must-def macro. Note deprecation of old operands interface.
6899 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6901         PR tree-optimization/19484
6902         * tree-cfg.c (remove_fallthru_edge): New function.
6903         (cleanup_control_flow): Remove fallthru edges from calls that are
6904         now known not to return.
6906 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6908         Fix PR tree-optimization/19038
6909         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6910         copies with loop variant ones.
6912 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6914         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6915         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6916         config/alpha/alpha.md, config/alpha/predicates.md,
6917         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6918         config/sparc/sol2.h: Update copyright.
6920         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6921         first label to see if it is a nonlocal label.
6923 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6924             Andrew Pinski  <pinskia@physics.uc.edu>
6926         PR target/19491
6927         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6928         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6930 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6932         * config/rs6000/rtems.h: Update copyright.
6934 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6936         PR target/19548
6937         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6938         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6939         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6941 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6943         PR c/18809
6944         * c-typeck.c (convert_arguments): Check for error_mark_node.
6946 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6948         PR tree-optimization/13000
6949         * tree-inline.c: Include "tree-flow.h".
6950         (expand_call_inline): If warn_return_type, warn if non-void inline
6951         function falls through.
6952         * tree-cfg.c (execute_warn_function_return): Don't warn about
6953         control reaching end if TREE_NO_WARNING is set.  Set
6954         TREE_NO_WARNING.
6955         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6956         has been lowered.
6957         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6958         branch if we don't need one.
6959         * c-typeck.c: Include "tree-flow.h"
6960         (c_finish_bc_stmt): Don't add a goto if the current statement
6961         list doesn't fall through to the current point.
6963 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6965         PR rtl-optimization/576
6966         * real.c (real_arithmetic): Change return type from void to bool
6967         to return an indication that the result may be inexact.
6968         * real.h (real_arithmeric): Update prototype.
6969         * fold-const.c (const_binop):  Don't constant fold floating
6970         point expressions when the user specifies -frounding-math and
6971         the result may depend upon the run-time rounding mode.
6972         (fold_convert_const_real_from_real): Clean-up.
6973         (fold_initializer): Ignore flag_rounding_math for initializers.
6974         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6975         constant fold FP operations with flag_rounding_math if the
6976         result may depend upon the run-time rounding mode.
6978 2005-01-21  Tom Tromey  <tromey@redhat.com>
6980         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6982 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6984         * tree-cfg.c: Fix comment typos.
6986 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6988         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6989         around the call to rest_of_handle_branch_target_load_optimize.
6991 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6993         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6994         (sparc64-*-openbsd*): Likewise.
6995         (sparclite-*-elf*): Include tm-dwarf2.h.
6996         (sparc86x-*-elf*): Likewise.
6997         (sparc64-*-elf*): Likewise.
6998         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6999         (DBX_DEBUGGING_INFO): Likewise.
7000         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
7001         (PREFERRED_DEBUGGING_TYPE): Likewise.
7002         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
7003         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
7004         (PREFERRED_DEBUGGING_TYPE): Likewise.
7005         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
7006         (PREFERRED_DEBUGGING_TYPE): Likewise.
7007         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
7009 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
7011         PR target/18701
7012         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
7014 2005-01-20  Paul Brook  <paul@codesourcery.com>
7016         * doc/rtl.texi: Document value extension requirements for CONST_INT.
7018 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7020         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
7021         label is first in a sequence of labels.
7023         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
7025 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
7026             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
7028         * doc/sourcebuild.texi (Test Directives): New.
7030 2005-01-20  Roger Sayle  <roger@eyesopen.com>
7032         * real.c (real_floor): Don't leave the result uninitialized when
7033         mode is VOIDMode, but return the unrounded intermediate value.
7034         (real_ceil): Likewise.
7036 2005-01-20  Paul Brook  <paul@codesourcery.com>
7038         * config/arm/arm.md (insv): Use gen_int_mode.
7040 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
7042         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
7043         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7044         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7045         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7046         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
7048 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
7050         Fix PR debug/19124
7051         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
7052         fbreg, so we have to assume we can't.
7053         (loc_descriptor_from_tree_1): Ditto.
7054         (containing_function_has_frame_base): New function.
7055         (add_location_or_const_value_attribute): Use it.
7056         Also try to generate a frame_base from a single element location
7057         list.
7059 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7061         PR tree-optimization/15349
7062         * timevar.def (TV_TREE_MERGE_PHI): New.
7063         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
7064         PHI_WANTED.
7065         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
7066         calls to tree_forwarder_block_p.
7067         (remove_forwarder_block_with_phi, merge_phi_nodes,
7068         gate_merge_phi, pass_merge_phi): New.
7069         * tree-optimize.c (init_tree_optimization_passes): Add
7070         pass_merge_phi.
7071         * tree-pass.h: Add an extern for pass_merge_phi;
7073 2005-01-20  Richard Henderson  <rth@redhat.com>
7075         PR target/19418
7076         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
7077         (_mm_castps_pd, _mm_castps_si128): New.
7078         (_mm_castsi128_ps, _mm_castsi128_pd): New.
7080 2005-01-20  Richard Henderson  <rth@redhat.com>
7082         PR target/19530
7083         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
7084         __builtin_ia32_vec_init_v2si.
7085         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
7086         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
7087         (ix86_init_mmx_sse_builtins): Create it.
7088         (ix86_expand_builtin): Expand it.
7089         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
7090         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
7091         (vec_extractv2si_0, vec_extractv2si_1): New.
7093 2005-01-20  Richard Henderson  <rth@redhat.com>
7095         PR target/16533
7096         * config/i386/i386.c (ix86_expand_push): New.
7097         * config/i386/mmx.md (push<MMXMODE>1): New.
7098         * config/i386/sse.md (push<SSEMODE>1): New.
7099         * config/i386/i386-protos.h: Update.
7101 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
7103         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
7104         copyright.
7106 2005-01-20  Richard Henderson  <rth@redhat.com>
7108         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
7109         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
7111 2005-01-19  Richard Henderson  <rth@redhat.com>
7113         PR target/19350
7114         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
7115         to V4SFmode in SSE1 fallback load path.
7117 2005-01-19  Richard Henderson  <rth@redhat.com>
7119         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
7120         in QImode expansion to ix86_expand_vector_set.
7121         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
7123 2005-01-19  Richard Henderson  <rth@redhat.com>
7125         PR target/19511
7126         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
7127         subclass of the input class.
7128         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
7129         Always true for cross-SSE1 classes.  Rationalize conditionals.
7130         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
7131         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
7132         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
7133         (movdi_2): Add MMX/SSE zeros.
7134         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
7135         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
7136         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7137         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
7138         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
7139         (zero_extendsidi2_rex64_1): Remove.
7140         (MOV0 peephole): Check GENERAL_REG_P.
7142 2005-01-19  Richard Henderson  <rth@redhat.com>
7144         PR target/19427
7145         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
7146         shufps elements.
7147         (ix86_expand_vector_extract): Likewise.
7149 2005-01-19  Richard Henderson  <rth@redhat.com>
7151         PR middle-end/19304
7152         * expr.c (emit_move_change_mode): New argument force; use
7153         simplify_gen_subreg if true.
7154         (emit_move_via_alt_mode): Merge into ...
7155         (emit_move_via_integer): ... here.
7156         (emit_move_ccmode): Use emit_move_change_mode directly.
7158 2005-01-19  Richard Henderson  <rth@redhat.com>
7160         PR target/19518
7161         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
7162         (alpha_preferred_reload_class): Handle CONST_VECTOR.
7163         (alpha_emit_set_const_1): Add no_output parameter; don't emit
7164         rtl if true.
7165         (alpha_emit_set_const): Likewise.  Make static.
7166         (alpha_emit_set_long_const): Make static.
7167         (alpha_extract_integer): Split out from alpha_expand_mov.
7168         (alpha_split_const_mov): Likewise.
7169         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
7170         (alpha_legitimate_constant_p): New.
7171         * config/alpha/alpha-protos.h: Update.
7172         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
7173         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
7174         * config/alpha/alpha.md (movsi): Add n alternative.
7175         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
7176         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
7177         (splitters for all of the above): Use alpha_split_const_mov.
7178         * config/alpha/predicates.md (non_add_const_operand): New.
7179         (non_zero_const_operand): New.
7180         (input_operand): Use alpha_legitimate_constant_p after reload.
7182 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7184         PR tree-optimization/19038
7185         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
7186         (add_candidate): Add ivs with increment in latch only if
7187         allow_ip_end_pos_p is true.
7188         (determine_iv_cost): Use empty_block_p.
7190 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
7192         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
7193         (compute_dominance_frontiers): Ditto.
7195 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
7197         PR target/19529
7198         * config/sh/t-rtems: New.
7199         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
7201 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
7203         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
7204         the offset of the selected field.
7206 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
7208         * tree-cfg.c (remove_forwarder_block): Fix the check to
7209         prevent a nonlocal label from appearing in the middle of a
7210         basic block.
7212 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
7214         PR rtl-optimization/19462
7215         * reorg.c (find_end_label): Create return insn only if
7216         current_function_epilogue_delay_list is empty.
7218 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
7220         * doc/passes.texi: Remove paragraph mentioning new-ra.
7222 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
7224         PR rtl-optimization/15139
7225         * combine.c: Include params.h.
7226         (count_rtxs): New function.
7227         (record_value_for_reg): If replace_rtx would replace at least
7228         2 occurrences of REG in VALUE and TEM is really large, replace REG with
7229         (clobber (const_int 0)) instead of TEM.
7230         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
7231         * params.h (MAX_LAST_VALUE_RTL): New.
7232         * Makefile.in (combine.o): Depend on $(PARAMS_H).
7233         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
7235         PR c/17297
7236         * c-typeck.c (digest_init): Only call build_vector if all constructor
7237         elements are *_CST nodes.
7238         * gimplify.c (gimplify_init_constructor): Likewise.
7240         PR middle-end/19164
7241         * c-typeck.c (digest_init): Only call build_vector if inside_init
7242         is a CONSTRUCTOR.
7244 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7246         * toplev.c (init_asm_output): Remove dead #ifdef.
7248 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
7250         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
7252 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7254         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
7255         accessing DECL_FUNCTION_CODE.
7256         * dojump.c (do_jump): Likewise.
7257         * gimplify.c (gimplify_call_expr): Likewise.
7258         * predict.c (expr_expected_value): Likewise.
7259         (strip_builtin_expect): Likewise.
7260         * tree-inline.c (estimate_num_insns_1): Likewise.
7261         * tree-ssa-loop-im.c (stmt_cost): Likewise
7262         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
7263         (tree_expr_nonnegative_p): Likewise.
7265 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7267         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
7268         variant of the load_pcrel_sym pattern.
7269         * config/sparc/sparc.md (P macro): Move to the top.
7270         (load_pcrel_sym): Macroize using P.
7271         (save_register_window): Likewise.
7273 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
7275         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
7276         ("sordered"): Same.
7278 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
7280         PR C/19472
7281         * c-typeck.c (build_asm_expr): Strip nops off
7282         input memory operands.
7284 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
7286         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
7287         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
7288         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
7289         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
7291 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
7293         PR target/19379
7294         * config/i386/i386.c (override_options): If the 80387 is disabled,
7295         then do not return FP values using FP registers.
7297 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
7299         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
7300         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
7301         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
7302         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
7303         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
7304         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
7305         output.h, postreload-gcse.c, postreload.c, recog.c,
7306         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
7307         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
7308         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
7309         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
7310         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
7311         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
7312         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
7313         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
7315         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
7316         config/alpha/alpha.c, config/arm/vfp.md,
7317         config/i386/emmintrin.h, config/i386/i386-modes.def,
7318         config/i386/i386-protos.h, config/i386/i386.h,
7319         config/i386/pmmintrin.h, config/i386/ppro.md,
7320         config/i386/predicates.md, config/i386/xmmintrin.h,
7321         config/i860/i860.c, config/ia64/ia64-modes.def,
7322         config/ia64/ia64-protos.h, config/ia64/ia64.h,
7323         config/ia64/ia64.md, config/ia64/itanium1.md,
7324         config/ia64/itanium2.md, config/ia64/predicates.md,
7325         config/iq2000/iq2000.h, config/mips/linux64.h,
7326         config/rs6000/aix41.h, config/rs6000/aix43.h,
7327         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7328         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7329         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7330         config/sparc/linux64.h, config/sparc/litecoff.h,
7331         config/sparc/sp64-elf.h, config/sparc/sparc.c,
7332         config/sparc/sparc.h, config/sparc/sparc.md,
7333         config/sparc/sysv4-only.h: Update copyright.
7335 2005-01-18  Richard Henderson  <rth@redhat.com>
7337         PR target/19496
7338         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7340 2005-01-18  Marc Espie  <espie@openbsd.org>
7341         * config/i386/openbsdelf.h: Typo.
7343 2005-01-18  Richard Henderson  <rth@redhat.com>
7345         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7346         special case for sse.
7347         * config/i386/predicates.md (sse_comparison_operator): Likewise.
7349 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
7351         * tree-inline.c (estimate_num_insns_1): Added cases for
7352         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7354 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7356         PR rtl-optimization/19296
7357         * combine.c (simplify_comparison): Rewrite the condition under
7358         which a non-paradoxical SUBREG of a PLUS can be lifted when
7359         compared against a constant.
7361 2005-01-18  Andi Kleen <ak@muc.de>
7363         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7364         * c.opt (-Wpointer-sign): Add.
7365         * doc/invoke.texi: (-Wpointer-sign): Add.
7367 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7369         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7370         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7371         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7372         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7373         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7374         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7375         for TARGET_MIX_SSE_I387.
7376         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7377         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7378         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7379         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7380         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7381         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7382         TARGET_MIX_SSE_I387.
7383         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7384         from expander.
7386 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7388         PR target/19424
7389         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7390         Add movaps alternative for xmm reg->reg move.
7392 2005-01-17  Jeff Law  <law@redhat.com>
7394         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7395         at the end of the main DOM loop rather than just before DOM exits.
7397 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7399         PR tree-optimization/19121
7400         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7401         adding aliases to a name tag, also add them to the pointer's
7402         type tag.
7403         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7404         sensitive alias info at all.  Only check that the two pointers
7405         have compatible pointed-to sets.
7406         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7407         a pointer's type tag is a superset of the alias set of the
7408         pointer's name tag.
7410 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7412         PR target/19357
7413         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7414         comment to document why.
7416 2005-01-17  Richard Henderson  <rth@redhat.com>
7418         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7419         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7420         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7421         sse2_vmsminv2df3_finite): New.
7422         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7423         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7424         Force op1 into register.
7426 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7428         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7429         bubblestrap from always rebuilding build directory.
7431 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7433         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7434         ("*cmpmem_short"): Likewise.
7436 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7438         * basic-block.h: Document BB_* flags.
7439         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7440         use an sbitmap instead.
7441         * sched-rgn.c (compute_trg_info): Likewise.
7443 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7445         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7446         redundant target_cpu_default and extra_parts lines.  Use the default
7447         "from-abi" ISA.
7448         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7449         (SUBTARGET_EXTRA_SPECS): Delete.
7450         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7451         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7452         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7453         and "n32" for -mabi=n32.
7455 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7457         PR c/5675
7458         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7459         fold constant variables into initial values.
7461 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7463         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7465         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7466         through the statements backward.
7468 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7470         PR middle-end/13127:
7471         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7472         a variable set to the return value of the inlined function.
7474 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7476         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7477         when modes are tieable.
7479 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7481         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7482         of pthread_create to find out if threads are enabled.
7483         * gthr-posix95.h (__gthread_active_p): Likewise.
7485 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7487         * common.opt (-fnew-ra): Remove.
7488         * ra*.*: Remove.
7489         * toplev.h (flag_new_regalloc): Remove.
7490         * Makefile.in (ra*.*): Don't mention.
7491         * passes.c (rest_of_handle_new_regalloc): Remove.
7492         (rest_of_handle_combine, rest_of_compilation): Always consider
7493         flag_new_regalloc as false.
7494         * doc/invoke.texi: Don't document -fnew-ra.
7496 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7498         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7499         last parameter to reg_scan.
7500         * loop.c (loop_optimize): Likewise.
7501         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7502         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7503         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7504         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7505         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7506         * regclass.c (reg_scan): Likewise, for the declaration.
7507         * rtl.h (reg_scan): Likewise, for the prototype.
7509 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7511         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7512         mark_dfs_back_edges.
7514 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7516         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7517         (compute_avail): Uses don't go in tmp_gen.
7519 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7521         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7522         loop to look for a free slot in a page entry.
7524 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7526         PR target/16304
7527         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7528         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7529         just before targetm.asm_out.file_end.
7530         * tree.h (process_pending_assemble_output_defs): Declare.
7531         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7532         New functions.
7533         (assemble_alias): Defer generation of assembly code for defines when
7534         TARGET_DEFERRED_OUTPUT_DEFS is true.
7535         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7536         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7537         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7539 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7541         PR target/19336
7542         * pa.c (pa_scalar_mode_supported_p): New function.
7543         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7544         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7546         * pa-protos.h (prefetch_operand): Delete.
7547         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7548         * pa.c (prefetch_operand): Delete.
7549         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7550         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7551         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7552         and prefetch_nocc_operand.
7553         * pa.md (prefetch): Rework to avoid reload problems handling short
7554         displacements when a cache control completer needs to be provided.
7555         (prefetch_32, prefetch_64): Delete.
7556         (prefetch_cc, prefetch_nocc): New patterns.
7558 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7560         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7562 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7564         PR ada/19388
7565         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7566         exceeds maximum alignment for global common data.
7567         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7568         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7570 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7572         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7574 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7576         * harg-reg-set.h (reg_class_names): Prototype global array.
7577         * regclass.c (reg_class_names): Declare here and initialize to
7578         REG_CLASS_NAMES.
7579         (dump_regclass): Remove local declaration of reg_class_names.
7580         (regclass): Likewise.
7581         * cfg.c (dump_flow_info): Likewise.
7582         * ra-debug.c (reg_class_names): Likewise.
7583         * regrename.c (reg_class_names): Likewise.
7584         * reload.c (reg_class_names): Likewise.
7585         * reload1.c (spill_failure): Likewise.
7586         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7588 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7590         * config/s390/s390.md ("reload_outti"): Remove predicate for
7591         output operand.  Abort if operand is not a MEM.
7592         ("reload_outdi", "reload_outdf"): Likewise.
7594 2005-01-15  Marc Espie  <espie@openbsd.org>
7596         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7597         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7598         * config/openbsd.h:  Fix C++ includes for native configurations.
7599         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7600         Add trampoline support.
7601         * config/i386/openbsdelf.h: New.
7603 2005-01-15  Marc Espie  <espie@openbsd.org>
7605         * collect2.c (main): Explicitly parse -dynamic-linker option.
7607 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7609         PR tree-optimization/19060
7610         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7611         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7612         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7613         and handle extract_range_from_cond returning false.
7614         * fold-const.c (fold): Optimize comparisons with min/max even for
7615         width > HOST_BITS_PER_WIDE_INT.
7617 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7619         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7620         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7621         Remove little endian multilib variants.
7622         Add mips32 multilib variant.
7624 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7626         * explow.c (copy_all_reg, stabilize): Remove.
7627         * expr.h: Remove the corresponding prototypes.
7629         * rtlanal.c (regs_set_between_p): Remove.
7630         * rtl.h: Remove the corresponding prototype.
7632 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7634         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7635         to rs6000_nonimmediate_operand.
7636         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7637         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7638         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7639         rs6000_nonimmediate_operand.
7640         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7641         rs6000_nonimmediate_operand.
7643 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7645         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7647 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7649         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7650         on e500v2.
7651         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7652         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7654         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7655         (rs6k_nonimmediate_operand): New.
7656         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7657         correctly.
7658         (legitimate_lo_sum_address_p): Same.
7659         (rs6000_legitimize_address): Same.
7660         (rs6000_legitimize_reload_address): Same.
7661         (rs6000_legitimate_address): Same.
7662         (spe_build_register_parallel): Pass DF and DC modes in a DI
7663         register.
7665         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7666         to rs6k_nonimmediate_operand.
7668         * config/rs6000/spe.md ("*frob_df_di"): New.
7669         ("*frob_di_df"): New.
7670         ("*frob_di_df_2"): New.
7671         ("*mov_sidf_e500_subreg0"): New.
7672         ("*mov_sidf_e500_subreg4"): New.
7673         ("*movdf_e500_double"): Change predicate to
7674         rs6k_nonimmediate_operand.
7676 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7678         * postreload.c (move2add_note_store): Only call
7679         trunc_int_for_mode on scalar integers.
7681 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7683         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7684         replace BB_VISITED uses.
7685         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7686         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7687         (tree_dce_done): Free visited_control_parents.
7688         (perform_tree_ssa_dce): Allocate and clear it.
7689         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7690         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7691         instead of BB_VISITED.
7693 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7695         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7696         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7697         Remove unused prototypes.
7699 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7701         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7702         64-bit register usage.
7703         (spe_func_has_64bit_regs_p): Add FIXME note.
7705 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7707         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7708         flag_finite_math_only with flag_unsafe_math_optimizations.
7710 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7712         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7713         end-of-stack check.
7714         (__tpf_eh_return): Copy TPF private stack area from the module
7715         boundary stack frame.  Add check for when module addresses are
7716         equal, but no stub address is found.
7718 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7720         PR target/7525
7721         * arm.h (struct machine_function): Add call_via field.
7722         (thumb_call_via_label): Declare.
7723         * arm.c (thumb_call_via_label): New variable.
7724         (thumb_call_reg_needed): New variable.
7725         (arm_output_function_epilogue): For Thumb code, output any per-function
7726         call-indirect trampolines.
7727         (thumb_call_via_reg): New function.
7728         (arm_file_end): New function.
7729         (TARGET_ASM_FILE_END): Call arm_file_end.
7730         (aof_file_end): Likewise.
7731         * arm-protos.h (thumb_call_via_reg): Declare.
7732         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7733         thumb_call_via_reg in normal case.
7735 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7737         PR middle-end/19084
7738         PR rtl-optimization/19348
7739         * recog.c (peephole2_optimize): Do global life update if some peephole
7740         decides it doesn't need at least one of its inputs and that change
7741         influences liveness at the start of the basic block.
7743         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7744         arguments instead of 1.
7746 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7748         PR middle-end/18820
7749         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7750         zero for nested functions needing a static chain or functions
7751         with a non-constant address.
7753 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7755         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7756         (and (sign_extend X) C) into (zero_extend (and X C)).
7758 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7760         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7762 2005-01-13  Richard Henderson  <rth@redhat.com>
7764         PR target/19009
7765         PR target/19250
7766         PR target/19252
7767         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7768         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7769         not just TARGET_SSE.
7770         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7771         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7772         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7773         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7774         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7775         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7776         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7777         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7778         (movdicc_c_rex64): Rename with '*'.
7779         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7780         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7781         (movsfcc_1_387): Rename from movsfcc_1.
7782         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7783         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7784         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7785         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7786         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7787         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7788         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7789         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7790         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7791         sse_movdfcc_const0_4): Remove.
7792         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7793         recognize min/max early.  Update for changed sse cmove patterns.
7794         (ix86_split_sse_movcc): New.
7795         * config/i386/i386-protos.h: Update.
7797 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7799         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7800         (fix_stmt_v_may_defs): Likewise.
7802 2005-01-13  Richard Henderson  <rth@redhat.com>
7804         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7805         for converting the mask.
7807 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7809         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7810         definition to 600.
7812 2005-01-13  Richard Henderson  <rth@redhat.com>
7814         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7815         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7816         IX86_BUILTIN_MOVDQ2Q): Remove.
7817         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7818         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7819         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7820         shuffling.
7821         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7822         (sse2_pextrw): Fix immediate constraint.
7823         (sse2_loadq, sse2_loadq_rex64): Remove.
7824         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7825         Use __builtin_ia32_vec_ext_<size>.
7826         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7828 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7830         * function.c (assign_parm_setup_block): Look inside original
7831         entry_parm when inspecting PARALLEL.
7833 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7834             Joel Sherrill  <joel@oarcorp.com>
7836         PR target/19399
7837         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7838         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7839         rtems_gxx_recursive_mutex_init.
7840         (__gthread_recursive_mutex_lock): New function.
7841         (__gthread_recursive_mutex_trylock): Likewise.
7842         (__gthread_recursive_mutex_unlock): Likewise.
7844 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7846         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7848 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7850         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7851         (ashrti3_internal): Indicate output is early clobber. Generate result
7852         into output rather than first input. Use move for low word of output
7853         if shift count is exactly 64.
7854         (lshrti3_internal): Likewise.
7856 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7858         PR target/18329
7859         PR target/18330
7860         * reload1.c (delete_output_reload): Don't delete an output reload
7861         if the pseudo lives longer than a single basic block.  Adjust and
7862         improve wording of comment.
7864 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7866         PR target/19334
7867         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7868         of TYPE_SIZE where we mean the number of bytes.
7870 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7872         * function.c (assign_parm_setup_block): Relax condition on
7873         multi-register optimization.
7875 2005-01-12  Nick Clifton  <nickc@redhat.com>
7877         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7878         an "in_delay_slot" attribute of "no" to prevent them being used in
7879         delay slots.  This is forbidden because they might generate
7880         exceptions.
7882 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7884         PR target/19389
7885         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7886         with r->Y and Y->r.
7888 2005-01-12  Nick Clifton  <nickc@redhat.com>
7890         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7891         passed on to GAS) but do not define, as GAS no longer supports or
7892         needs the -m2000 option.
7894 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7896         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7897         type as args of unprototyped builtins aren't automatically promoted.
7898         (fold_builtin_abs): Likewise.
7900 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7902         * Makefile.in: Set a `build-warn' variable.
7904 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7906         PR tree-optimization/17949
7907         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7908         (find_interesting_uses_address): Use it.
7910 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7912         * regrename.c (kill_value): Handle subreg's that won't simplify.
7914 2005-01-11  Richard Henderson  <rth@redhat.com>
7916         PR target/13366
7917         * config/i386/i386.h (enum ix86_builtins): Move ...
7918         * config/i386/i386.c: ... here.
7919         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7920         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7921         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7922         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7923         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7924         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7925         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7926         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7927         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7928         IX86_BUILTIN_LOADDDUP): Remove.
7929         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7930         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7931         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7932         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7933         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7934         (ix86_init_builtins): Make static.
7935         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7936         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7937         if all the modes match.  Otherwise, fake it.
7938         (get_element_number, ix86_expand_vec_init_builtin,
7939         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7940         (ix86_expand_builtin): Make static.  Update for changed builtins.
7941         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7942         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7943         (ix86_expand_vector_init_duplicate): New.
7944         (ix86_expand_vector_init_low_nonzero): New.
7945         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7946         Split out from ix86_expand_vector_init; handle integer modes.
7947         (ix86_expand_vector_init): Use them.
7948         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7949         * config/i386/i386-protos.h: Update.
7950         * config/i386/predicates.md (reg_or_0_operand): New.
7951         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7952         (movv2sf_internal): Likewise.  And a splitter to match them all.
7953         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7954         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7955         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7956         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7957         (mmx_pinsrw): Fix operand ordering.
7958         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7959         rather than sse_loadss expander.
7960         (movv2df splitter): Similarly.
7961         (sse_loadss, sse_loadlss): Remove.
7962         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7963         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7964         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7965         (sse3_movddup): Rename with '*'.
7966         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7967         (sse2_loadsd): Remove.
7968         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7969         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7970         (sse2_pinsrw): Fix argument ordering.
7971         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7972         (sse2_stored): Remove 'r' destination.
7973         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7974         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7975         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7976         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7977         vec_extractv16qi, vec_initv16qi): New.
7979         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7980         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7981         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7982         constructor form.
7983         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7984         (_mm_load_si128, _mm_store_si128): Likewise.
7985         (_mm_load1_pd): Use _mm_set1_pd.
7986         (_mm_load_sd): Use _mm_set_sd.
7987         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7988         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7989         (_mm_set_epi64): Use _mm_set_epi64x.
7990         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7991         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7992         _mm_setr_epi8): Use _mm_set_foo form.
7993         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7994         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7995         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7996         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7997         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7998         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7999         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
8000         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
8001         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
8002         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
8003         (_mm_movedup_pd): Use _mm_shuffle_pd.
8004         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
8005         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
8006         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
8007         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
8008         Use _mm_setzero_ps.
8009         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
8010         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
8011         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
8012         (_mm_store_ps): Use raw dereference.
8013         (_mm_store1_ps): Use _mm_storeu_ps.
8014         (_mm_storer_ps): Use _mm_store_ps.
8015         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
8016         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
8018 2005-01-11  Stan Shebs  <shebs@apple.com>
8020         * config/rs6000/rs6000.c (machopic_output_stub): Issue
8021         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
8023 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
8025         PR target/18761
8026         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
8027         Skip all DECLs except for FIELD_DECLs.
8029 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
8031         * config/s390/s390.c (override_options): Return error if
8032         -mbackchain, -mpacked-stack and -mhard-float are used together.
8033         (s390_va_start): Remove the backchain && packed-stack special case.
8034         (s390_gimplify_va_arg): Likewise.
8035         * doc/invoke.texi: Remove the ABI incompatibility note.
8037 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
8039         * config/s390/s390.c (struct s390_frame_layout): Remove
8040         save_backchain_p.
8041         (s390_frame_info, s390_emit_prologue): Replace occurrences of
8042         save_backchain_p with TARGET_BACKCHAIN.
8044 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8046         PR target/18916
8047         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
8048         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
8049         * function.c (locate_and_pad_parm): Set new field.
8050         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
8051         Tweak where_pad test to include "none".  Always set mem align for
8052         stack_parm.
8053         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
8054         not sufficient for type.
8055         (assign_parm_setup_block): If stack_parm is zero on entry, always
8056         make a new stack local.  Block move old stack parm if necessary
8057         to new aligned stack local.
8058         (assign_parm_setup_stack): Use a block move to handle
8059         potentially misaligned entry_parm.
8060         (assign_parms_unsplit_complex): Specify required alignment when
8061         creating stack local.
8062         * calls.c (compute_argument_addresses): Override alignment of stack
8063         arg calculated from its type with the alignment given by
8064         FUNCTION_ARG_BOUNDARY.
8065         (store_one_arg): Likewise.
8067 2005-01-11  Jan Beulich  <jbeulich@novell.com>
8069         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
8070         Change respective itanium_class attribute to ialu.
8071         (shladdp4_internal): New.
8072         * config/ia64/predicates.md (shladd_log2_operand): New.
8074 2005-01-11  Richard Henderson  <rth@redhat.com>
8076         * expr.c (store_constructor): Use rtvec_alloc instead of
8077         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
8079 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
8081         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
8083 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
8085         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
8086         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
8087         (TARGET_RWRELOC): Define.
8088         (ia64_rwreloc_section_type_flags): Delete.
8089         (ia64_section_type_flags): New function.
8090         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
8091         (TARGET_RWRELOC): Define.
8093 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
8095         PR target/18987
8096         * config/ia64/ia64.c (process_set): For alloc insn, only call
8097         process_epilogue is !frame_pointer_needed.
8099 2005-01-10  Roger Sayle  <roger@eyesopen.com>
8101         PR c++/19355
8102         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
8103         unary operator and can't be treated as a binary/comparison operator.
8105 2005-01-10  Richard Henderson  <rth@redhat.com>
8107         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
8108         (ix86_return_in_memory): Likewise.
8109         (function_arg_advance):  Likewise.  Mirror structure in function_arg
8110         for choosing register to advance.
8112 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
8114         * tree-vectorizer.c, tree.def: Fix comment typos.
8116 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
8118         * config/s390/s390.c (struct processor_costs): 4 new fields:
8119         ddbr, ddr, debr, der.
8120         (s390_rtx_costs): More precise handling of divide instructions.
8122 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
8124         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
8126 2005-01-10  Jan Beulich  <jbeulich@novell.com>
8128         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
8129         names resulting from -ffunction-sections/-fdata-sections and linkonce
8130         ones.
8131         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
8132         based on the section name. Rearrange the section name comparison logic
8133         slightly so that each section name is compared against at most once.
8135 2005-01-10  Ben Elliston  <bje@au.ibm.com>
8137         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
8138         targets for which -fPIC reduces limitations on the GOT size.
8140 2005-01-09  Falk Hueffner  <falk@debian.org>
8142         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
8143         X/C1 cmpop C2.
8145 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
8147         PR target/18720
8148         * collect2.c (main): Set aixrtl_flag for -brtl option.
8149         (resolve_lib_name): Search for .so file extension before .a
8150         if aixrtl_flag set.
8152 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
8154         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
8155         (vect_analyze_data_refs_alignment): Add dump prints.
8157 2005-01-09  Ira Rosen  <irar@il.ibm.com>
8159         * tree-vectorizer.c (vect_analyze_offset_expr): Use
8160         expr_invariant_in_loop_p.
8161         Initialize outputs first thing in the function.
8162         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
8163         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
8164         (vect_analyze_pointer_ref_access): Check that the initial condition of
8165         the access function is loop invariant.
8167 2005-01-09  Richard Henderson  <rth@redhat.com>
8169         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
8170         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
8171         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
8172         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
8173         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
8174         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
8175         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
8176         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
8177         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
8178         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8179         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8180         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
8181         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
8182         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
8183         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
8184         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
8185         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8186         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8187         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
8188         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
8189         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
8190         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
8191         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
8192         mmx_ prefix.
8193         (mmx_clrdi, pavgusb): Remove.
8194         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
8195         with leading sse_ prefix.
8196         * config/i386/sse.md: Receive them.
8197         * config/i386/mmx.md: New file.
8198         (MMXMODE12, MMXMODE24, mmxvecsize): New.
8199         (subrv2sf3): Turn into expander for normal subtraction.
8200         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
8201         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
8202         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
8203         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
8204         commutative; use ix86_binary_operator_ok.
8205         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
8206         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
8207         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
8208         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
8209         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
8210         Macroize from existing patterns; use ix86_binary_operator_ok.
8211         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
8212         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
8213         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
8214         with vec_select+vec_concat.
8215         (mmx_pshufw, mmx_pshufw_1): Likewise.
8216         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
8217         (mmx_uavgv4hi3): Model correctly.
8218         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
8219         _mm_xor_si64): Remove casts.
8221 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
8223         PR tree-optimization/19224
8224         * tree-scalar-evolution.c (get_instantiated_value,
8225         set_instantiated_value): New functions.
8226         (instantiate_parameters_1): Cache the results.
8227         (instantiate_parameters, resolve_mixers): Initialize and free
8228         the cache.
8230 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
8232         * config/i386/i386.md (addhi_4): Correct reference in comment.
8233         (addqi_4): Same.
8235 2005-01-08  Richard Henderson  <rth@redhat.com>
8237         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
8238         (_mm_cvtsi128_si64x): Likewise.
8239         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
8240         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
8241         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
8242         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
8243         * config/i386/i386-protos.h: Update.
8244         * config/i386/i386.c (print_operand): Add 'H'.
8245         (ix86_fixup_binary_operands): Split out from ...
8246         (ix86_expand_binary_operator): ... here.
8247         (ix86_fixup_binary_operands_no_copy): New.
8248         (ix86_expand_fp_absneg_operator): Handle vector mode results.
8249         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
8250         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
8251         (safe_vector_operand): Use CONST0_RTX.
8252         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
8253         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
8254         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
8255         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
8256         special cases.
8257         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
8258         (IX86_BUILTIN_CMPNGESS): New.
8259         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
8260         (attr type): Add sselog1.
8261         (attr unit, attr memory): Handle it.
8262         (movti, movti_internal, movti_rex64): Move near other integer moves.
8263         (movtf, movtf_internal): Move near other fp moves.
8264         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
8265         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
8266         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
8267         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
8268         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
8269         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
8270         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
8271         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
8272         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
8273         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
8274         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
8275         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
8276         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8277         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8278         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
8279         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
8280         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
8281         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
8282         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
8283         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
8284         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
8285         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
8286         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
8287         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
8288         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
8289         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
8290         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
8291         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
8292         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
8293         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
8294         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
8295         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
8296         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
8297         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
8298         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
8299         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
8300         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
8301         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
8302         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
8303         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
8304         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
8305         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
8306         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
8307         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
8308         same time.
8309         (SSEPUSH, push<SSEPUSH>): Remove.
8310         (MMXPUSH, push<MMXPUSH>): Remove.
8311         (sse_movaps, sse_movaps_1, sse_movups): Remove.
8312         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
8313         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
8314         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
8315         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
8316         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
8317         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
8318         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8319         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8320         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8321         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8322         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
8323         (ppro_sse_log_V4SF): Handle sselog1.
8324         * config/i386/predicates.md (const_0_to_1_operand): New.
8325         (const_0_to_255_mul_8_operand): New.
8326         (const_1_to_31_operand): Rename from const_int_1_31_operand.
8327         (const_2_to_3_operand, const_4_to_7_operand): New.
8328         * config/i386/sse.md: New file.
8329         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8330         (sse_movups): Rename from sse_movups_1.
8331         (sse_loadlss): Rename from sse_loadss_1.
8332         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8333         from the name.
8334         (negv4sf2): Use ix86_expand_fp_absneg_operator.
8335         (absv4sf2, negv2df, absv2df): New.
8336         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8337         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8338         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8339         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8340         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8341         (sse3_addsubv4sf3): Model correctly.
8342         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8343         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8344         (sse_movhlps): Model with vec_select+vec_concat.
8345         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8346         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8347         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8348         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8349         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8350         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8351         sse2_pshufhw_1): Likewise.
8352         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8353         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8354         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8355         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8356         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8357         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8358         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8359         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8360         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8361         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8362         sminv8hi3): Mark commutative
8363         operands.  Use ix86_binary_operator_ok.
8364         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8365         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8366         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8367         sse2_punpcklqdq): Allow operand2 in memory.
8368         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8369         sse2_movsd): Add memory alternatives.
8370         (sse_storelps): Turn expander into an insn; split after reload.
8371         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8372         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8374 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8376         * configure.ac (DWARF-2 debug_line): Use objdump.
8377         * configure: Regenerate.
8379 2005-01-08  Jeff Law  <law@redhat.com>
8380             Diego Novillo  <dnovillo@redhat.com>
8382         PR tree-optimization/18241
8383         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8384         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8385         statements with volatile operands.
8386         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8387         operands after marking a statement with has_volatile_ops.
8389 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8391         * tree.c (int_fits_type_p): Always honor integer constant
8392         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8394 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8396         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8397         the latent bug in rtl_delete_block has been resolved.
8399 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8401         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8402         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8404 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8406         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8407         library as @multilib_dir@/$(SHLIB_SONAME).
8409 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8411         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8412         * configure: Regenerate.
8414 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8416         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8417         TYPE_MODE.
8419 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8421         PR target/13674
8422         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8423         Convert non-word aligned offset address using ld/std into
8424         indirect address.
8426 2005-01-07  Richard Henderson  <rth@redhat.com>
8428         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8430 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8432         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8434 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8436         PR tree-optimization/19283
8437         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8438         is not shorter than the original type.
8440         PR rtl-optimization/19012
8441         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8443         PR rtl-optimization/18861
8444         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8445         (FULL_STATE): Define.
8446         (mark_tablejump_edge): New function.
8447         (purge_dead_tablejump_edges): New function.
8448         (find_bb_boundaries): Use it.
8450         PR tree-optimization/18828
8451         * builtins.c (expand_builtin_next_arg): Remove argument and all
8452         the argument checking.
8453         (expand_builtin): Adjust caller.
8454         (expand_builtin_va_start): Likewise.  Remove error for too many
8455         arguments.
8456         (fold_builtin_next_arg): Issue error for too many arguments.
8457         After checking arguments, replace them with magic arguments that
8458         prevent further checking of the args.
8460 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8462         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8464 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8466         PR target/6077
8467         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8468         and %{.S:...} (and their negative variants) to test whether the
8469         input file is assembler or pre-processed-assembler independent of
8470         the actual filename extension.
8472 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8474         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8475         of sign or zero extended values.
8477 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8479         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8480         for IBM long double format correctly.
8482 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8484         Fix PR tree-optimization/18792
8486         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8487         to first_loop_depth, and use loop depth instead of loop number.
8488         (build_classic_dir_vector): Ditto.
8489         (compute_data_dependences_for_loop): Use depth, not loop number.
8490         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8491         number. Pass in loops, instead of loop numbers.
8492         (gather_interchange_stats): Ditto.
8493         (linear_transform_loops): Ditto.
8495 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8497         PR rtl-opt/13299
8498         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8499         biv_fits_mode_p, extension_within_bounds_p): New functions.
8500         (check_ext_dependent_givs): Use them.
8502 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8504         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8505         more than one barrier, in which case we should delete them all.
8507 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8509         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8511 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8513         Fix PR middle-end/19286
8514         Fix PR debug/19267
8515         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8516         output this subprogram, simply ignore this attempt to do it again.
8517         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8518         origin attribute if it's not possible.
8519         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8520         (decls_for_scope): Ditto.
8521         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8522         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8524 2005-01-05  Richard Henderson  <rth@redhat.com>
8526         PR target/11327
8527         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8528         (bdesc_2arg): Use it.
8529         (ix86_expand_binop_builtin): Force operands into registers
8530         when optimizing.
8531         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8532         ix86_expand_sse_compare, ix86_expand_sse_comi,
8533         ix86_expand_builtin): Likewise.
8535 2005-01-05  Richard Henderson  <rth@redhat.com>
8537         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8538         and VEC_SELECT.
8539         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8540         (mulv4hi3): Set itanium_class mmmul.
8541         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8542         (fpack): Rename from fpack_sfsf.
8544 2005-01-05  Richard Henderson  <rth@redhat.com>
8546         PR rtl-opt/10692
8547         * reload1.c (do_input_reload): Restrict the optimization deleteing
8548         a previous output reload to RELOAD_FOR_INPUT.
8550 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8552         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8553         comment that we fall through after case.
8554         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8555         (distribute_links): Likewise.
8556         * cse.c (cse_insn): Likewise.
8557         * cselib.c (cselib_invalidate_mem): Likewise.
8558         * df.c: Update comments at the top of the file.
8559         (read_modify_subreg_p): Update comments here too.
8560         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8561         * flow.c (mark_set_1): Likewise.
8562         (mark_used_regs): Likewise.
8563         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8564         (canon_list_insert): Likewise.
8565         (mark_set): Likewise.
8566         (try_replace_reg): Likewise.
8567         (store_killed_in_insn): Likewise.
8568         * loop.c (count_one_set): Likewise.
8569         (basic_induction_var): Likewise.
8570         * postreload-gcse.c (find_mem_conflicts): Likewise.
8571         * postreload.c (reload_combine_note_store): Likewise.
8572         (move2add_note_store): Likewise.
8573         * reload.c (find_equiv_reg): Likewise.
8574         (mark_referenced_resources): Likewise.
8575         * rtlanal.c (set_noop_p): Likewise.
8576         (note_stores): Likewise.
8577         (note_uses): Likewise.
8578         * sched-deps.c (sched_analyze_1): Likewise.
8579         * sched-rgn.c (check_live_1): Likewise.
8580         (update_live_1): Likewise.
8581         * config/i860/i860.c: Likewise.
8583         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8584         an lvalue.
8585         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8587         * doc/rtl.texi: Update documentation for bit-fields and SET.
8589 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8591         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8593 2005-01-05  Jan Hubicka  <jh@suse.cz>
8594             Richard Henderson  <rth@redhat.com>
8596         PR target/18910
8597         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8598         with an offset.
8600 2005-01-05  Richard Henderson  <rth@redhat.com>
8602         PR target/12902
8603         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8604         (sse_shufps): Change operand 3 to const_int_operand.
8605         (sse2_storelps): Fix typo in template.
8606         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8607         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8608         (ix86_expand_builtin): Likewise.
8610 2005-01-05  Julian Brown  <julian@codesourcery.com>
8612         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8613         as aggregates for AAPCS ABIs.
8615 2005-01-05  Stan Shebs  <shebs@apple.com>
8617         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8618         Mach-O getters if ppc64.
8619         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8620         size argument.
8621         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8622         signed four-byte field for global code case.
8623         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8625 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8627         PR middle-end/19100
8628         * c-common.c: Include real.h.
8629         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8630         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8631         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8632         * Makefile.in (c-common.o): Update dependencies.
8634 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8636         * c-parse.in (asm_string): Add trailing semicolon.
8638 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8640         * c-parse.in (asm_string): New.  Don't allow wide strings in
8641         'asm'.
8642         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8643         asm_string instead of STRING.
8645 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8647         * c-typeck.c (constructor_no_implicit): Remove.
8648         (set_designator, process_init_element): Don't check
8649         constructor_no_implicit.
8651 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8652             Kaz Kojima  <kkojima@gcc.gnu.org>
8654         PR target/16482
8655         * lcm.c (create_pre_exit): New.
8656         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8657         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8659 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8661         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8662         -msoft-float in target_float_switch.
8663         * arm.c (arm_override_options): Fix processing of target_float_switch.
8665 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8667         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8668         preferencing.
8670 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8672         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8673         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8675 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8677         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8678         if deleting the then-block allows the test-block to fallthru to the
8679         else-block.
8681 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8683         PR c/19152
8684         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8685         after the full declaration if the are in two different TUs.
8687 2005-01-04  Richard Henderson  <rth@redhat.com>
8689         PR tree-opt/19158
8690         * tree-sra.c (generate_one_element_init): Just
8691         call gimplify_and_add.
8692         (generate_element_init): Record the
8693         new referenced variables and mark them for renaming
8694         and split out to ...
8695         (generate_element_init_1): This.
8696         (scalarize_init): Don't call push_gimplify_context/
8697         pop_gimplify_context.
8699 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8701         * toplev.c (get_src_pwd): Handle failure of getpwd().
8703 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8705         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8706         of TRUTH_NOT_EXPR.
8707         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8708         all the cases handled by it are inverted by invert_truthvalue.
8710 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8712         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8713         (save_register_windowsi): Likewise.
8715 2005-01-04  Richard Henderson  <rth@redhat.com>
8717         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8719 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8721         PR middle-end/17767
8722         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8723         any simplifications of vector mode comparison operators.
8724         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8726 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8727             Devang Patel  <dpatel@apple.com>
8729         PR tree-optimization/18308
8730         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8731         the operands before creating a new expression.
8732         * dojump.c (do_jump): Make drop_through_label available
8733         for all cases.  Add expansion of COND_EXPR.
8735 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8737         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8738         INTEGER_CST instead of TREE_CONSTANT.
8739         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8740         instead of TREE_CONSTANT.
8741         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8742         instead of TREE_CONSTANT.
8744 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8746         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8748 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8750         PR target/19240
8751         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8752         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8754 2005-01-03  Richard Henderson  <rth@redhat.com>
8756         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8757         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8758         fold_convert_const_real_from_real): Split out from ...
8759         (fold_convert_const): ... here.
8761 2005-01-03  Richard Henderson  <rth@redhat.com>
8763         PR target/19235
8764         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8765         (mov<MMXMODEI>_internal): Likewise.
8766         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8767         Add V2SF case; use it for SSE1; don't use TI.
8768         (movdf_integer): Likewise.
8769         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8771 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8773         * tree-vectorizer.c (vect_strip_conversions): New function.
8774         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8775         check for binary class.
8777 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8779         Fix PR debug/17924
8780         Fix PR debug/19191
8781         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8782         is a decl.
8783         * gimple-low.c (mark_blocks_with_used_vars): New function.
8784         (mark_blocks_with_used_subblocks): Ditto.
8785         (mark_used_blocks): Ditto.
8786         (pass_mark_used_blocks): New pass.
8787         * tree-inline.c: Include debug.h.
8788         (expand_call_inline): Call outlining_inline_function here.
8789         * tree-optimize.c (init_tree_optimization_passes): Add
8790         pass_mark_used_blocks.
8791         * tree-pass.h (pass_mark_used_blocks): New.
8792         * Makefile.in (tree-inline.o): Add debug.h dependency.
8794 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8796         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8797         VAR_DECLs to have weak_import attribute.
8799         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8800         'struct ucontext'.
8802 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8804         * passes.c (rest_of_compilation): Don't run regmove if only
8805         flag_expensive_optimizations, require flag_regmove instead.
8807 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8809         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8810         register "sparc".
8811         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8812         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8813         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8814         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8816 2005-01-03  Richard Henderson  <rth@redhat.com>
8818         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8819         (ia64_const_ok_for_letter_p): New.
8820         (ia64_const_double_ok_for_letter_p): New.
8821         (ia64_extra_constraint): New.
8822         (ia64_expand_vecint_compare): New.
8823         (ia64_expand_vcondu_v2si): New.
8824         (ia64_expand_vecint_cmov): New.
8825         (ia64_expand_vecint_minmax): New.
8826         (ia64_print_operand): Add 'v'.
8827         (ia64_preferred_reload_class): New.
8828         (ia64_vector_mode_supported_p): New.
8829         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8830         (PREFERRED_RELOAD_CLASS): Move to function.
8831         (CONST_OK_FOR_LETTER_P): Move to function.
8832         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8833         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8834         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8835         (EXTRA_CONSTRAINT): Move to function.
8836         * config/ia64/ia64.md: Include vect.md.
8837         (itanium_class): Add mmalua.
8838         (type): Handle it.
8839         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8840         (1b_mmalua): New.
8841         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8842         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8843         CONST0_RTX.
8844         (const_int_2bit_operand): New.
8845         (fr_reg_or_0_operand): New.
8846         * config/ia64/ia64-modes.def: Add vector modes.
8847         * config/ia64/ia64-protos.h: Update.
8848         * config/ia64/vect.md: New file.
8850 2005-01-03  Richard Henderson  <rth@redhat.com>
8852         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8854 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8856         PR target/19236
8857         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8858         to SFmode.
8859         (log1pdf2): Change mode of operands[0,1] to DFmode.
8861 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8863         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8864         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8865         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8866         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8867         SPARC_RELAXED_ORDERING.
8869 2005-01-03  Richard Henderson  <rth@redhat.com>
8870             Uros Bizjak  <uros@kss-loka.si>
8872         PR target/14631
8873         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8874         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8875         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8876         handling.
8877         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8878         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8879         const_pow2_1_to_128_operand): New predicates.
8881 2005-01-02  Greg McGary  <greg@mcgary.org>
8883         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8884         anonymous decls.
8885         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8886         object.  [ptr_type]: Remove unused variable.
8887         Remember nearest addressable array-element or record-component
8888         when checking bitfield components.  Tolerate empty BIND_EXPR.
8890 2005-01-01  Richard Henderson  <rth@redhat.com>
8892         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8893         that don't narrow the value.  Fail for other conversions.
8895 2005-01-01  Richard Henderson  <rth@redhat.com>
8897         PR c/19031
8898         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8899         * c-lang.c (finish_file): Don't do it here.
8900         * objc/objc-act.c (objc_finish_file): Likewise.
8902         * cgraph.c (decl_assembler_name_equal): New.
8903         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8904         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8905         * cgraph.h (struct cgraph_varpool_node): Add next.
8906         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8907         * varasm.c (assemble_alias): Mark the target as needed.
8909 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8911         PR middle-end/19221
8912         * function.c (get_arg_pointer_save_area): Use entry_of_function
8913         instead of get_insns.
8915 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8916             Andrew Pinski  <pinskia@physics.uc.edu>
8917             James E. Wilson  <wilson@specifixinc.com>
8919         PR rtl-optimization/12092
8920         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8921         is zero.
8923 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8924             Olivier Hainque  <hainque@act-europe.fr>
8926         * tree.c (int_fits_type_p): A narrower type always fits in a
8927         wider one, except for negative values into unsigned types.
8929 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8931         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8932         with the original constant rather than require TREE_OVERFLOW.
8934 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8936         PR middle-end/17544
8937         * c-decl.c (finish_function): If compiling C99, annotate the
8938         compiler generated return with the current file name and line 0.
8939         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8940         the source line is greater than 0.
8941         (remove_bb): Likewise.
8943 See ChangeLog.12 for earlier changes.