add comment

From-SVN: r111701

uintp.adb (Num_Bits): Handle Uint_Int_First specially.

* uintp.adb (Num_Bits): Handle Uint_Int_First specially.

From-SVN: r111700

Daily bump.

From-SVN: r111698

tree-sra.c (tree_sra): Return todoflags;

2006-03-03  Daniel Berlin  <dberlin@dberlin.org>

* tree-sra.c (tree_sra): Return todoflags;
(generate_one_element): Set TODO_update_smt_usage if needed.
(pass_sra): Remove TODO_update_smt_usage.
* tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
parameter.
(tree_ssa_forward_propagate_single_use_vars): Return
TODO_update_smt_usage if we need to update SMT usage.
(pass_forwprop): Remove TODO_update_smt_usage.

From-SVN: r111692

re PR libstdc++/26526 (std::__copy_streambufs link failure when _GLIBCXX_DEBUG is defined)

2006-03-03  Paolo Carlini  <pcarlini@suse.de>

PR libstdc++/26526
* config/abi/pre/gnu.ver (__copy_streambufs, 64-bit version): Add
@GLIBCXX_3.4.8; move existing symbols @GLIBCXX_3.4.8 to 3.4.9.
* configure.ac (libtool_VERSION): To 6:9:0.
* testsuite/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.9.
* configure: Regenerate.

From-SVN: r111690

Fix formatting.

From-SVN: r111688

dependency.c (gfc_check_element_vs_element): Consider two unordered scalar subscripts as (potentially) equal.

* dependency.c (gfc_check_element_vs_element): Consider two
unordered scalar subscripts as (potentially) equal.

* gfortran.dg/dependency_9.f90: New test case.

From-SVN: r111687

dependency.c (gfc_check_dependency): Call gfc_dep_resolver to check whether two array references have a dependency.

* dependency.c (gfc_check_dependency): Call gfc_dep_resolver to
check whether two array references have a dependency.
(gfc_check_element_vs_element): Assume lref and rref must be
REF_ARRAYs.  If gfc_dep_compare_expr returns -2, assume these
references could potentially overlap.
(gfc_dep_resolver): Whitespace and comment tweaks.  Assume a
dependency if the references have different depths.  Rewrite
final term to clarrify we only have a dependency for overlaps.

* gfortran.dg/dependency_4.f90: New test case.
* gfortran.dg/dependency_5.f90: New test case.
* gfortran.dg/dependency_6.f90: New test case.
* gfortran.dg/dependency_7.f90: New test case.
* gfortran.dg/dependency_8.f90: New test case.

From-SVN: r111686

decl2.c (import_export_decl): Remove redundant call to targetm.cxx.key_method_may_be_inline ().

* decl2.c (import_export_decl): Remove redundant call to
targetm.cxx.key_method_may_be_inline ().

From-SVN: r111685

* interpret.cc (do_allocate_static_fields): Added comment.

From-SVN: r111683

tree-ssa-operands.c: Tidy whitespace.

* tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
(correct_use_link): Remove reference to get_stmt_operands.
(update_stmt_operands): Likewise.
(get_modify_expr_operands): New function factored out of
parse_ssa_operands and get_expr_operands.
Try to create V_MUST_DEFs for LHS by default.
(get_expr_operands) <case MODIFY_EXPR>: Call
get_modify_expr_operands.
<case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
<case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
(parse_ssa_operands) <case MODIFY_EXPR>: Call
get_modify_expr_operands.

From-SVN: r111682

target-supports.exp (check_profiling_available): Add m68k-*-elf.

2006-03-03  Paul Brook  <paul@codesourcery.com>

* gcc/testsuite/lib/target-supports.exp (check_profiling_available):
Add m68k-*-elf.

From-SVN: r111681

tree-dfa.c (referenced_var_lookup_if_exists): Remove.

* tree-dfa.c (referenced_var_lookup_if_exists): Remove.
* tree-flow.h: Remove the prototype for
referenced_var_lookup_if_exists.

From-SVN: r111680

re PR rtl-optimization/26345 (-fmove-loop-invariants loses POINTER attribute)

PR rtl-optimization/26345
PR target/19061
* config/ia64/predicates.md (basereg_operand): Don't look in subregs.

From-SVN: r111678

re PR fortran/25031 ([4.1 only] Allocatable array can be reallocated.)

2006-03-03  Thomas Koenig  <Thomas.Koenig@online.de>

PR fortran/25031
* trans-array.h:  Adjust gfc_array_allocate prototype.
* trans-array.c (gfc_array_allocate):  Change type of
gfc_array_allocatate to bool.  Function returns true if
it operates on an array.  Change second argument to gfc_expr.
Find last reference in chain.
If the function operates on an allocatable array, emit call to
allocate_array() or allocate64_array().
* trans-stmt.c (gfc_trans_allocate):  Code to follow to last
reference has been moved to gfc_array_allocate.
* trans.h:  Add declaration for gfor_fndecl_allocate_array and
gfor_fndecl_allocate64_array.
(gfc_build_builtin_function_decls):  Add gfor_fndecl_allocate_array
and gfor_fndecl_allocate64_array.

2006-03-03  Thomas Koenig  <Thomas.Koenig@online.de>

PR fortran/25031
* runtime/memory.c:  Adjust copyright years.
(allocate_array):  New function.
(allocate64_array):  New function.
* libgfortran.h (error_codes):  Add ERROR_ALLOCATION.

2006-03-03  Thomas Koenig  <Thomas.Koenig@online.de>

PR fortran/25031
* multiple_allocation_1.f90:  New test.

From-SVN: r111677

re PR tree-optimization/26524 (ICE when compiling with -ffast-math and -O3 clatm5.f (lapack))

PR tree-optimization/26524
* tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
fold_convert to create a constant of the appropriate type.

* gfortran.dg/pr26524.f: New test case.

From-SVN: r111676

tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of SYMBOL_REF_IN_BLOCK_P.

* doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
* doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
of SYMBOL_FLAG_IN_BLOCK.
* gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
instead of SYMBOL_REF_IN_BLOCK_P.
* explow.c (use_anchored_address): Likewise.
* rtl.c (rtx_size): Likewise.
* varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
instead of SYMBOL_FLAG_IN_BLOCK.
(make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
(assemble_variable): Likewise.
(output_constant_def_contents): Likewise.
(output_constant_pool): Likewise.
(default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
instead of SYMBOL_FLAG_IN_BLOCK.
* rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
(SYMBOL_REF_BLOCK): Likewise.
(SYMBOL_REF_OFFSET): Likewise.
(BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
(SYMBOL_FLAG_IN_BLOCK): Replace with...
(SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
(SYMBOL_REF_IN_BLOCK_P): Replace with...
(SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.

From-SVN: r111675

* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.

From-SVN: r111674

simplify-rtx.c (simplify_unary_operation): When simplifying (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C)...

* simplify-rtx.c (simplify_unary_operation): When simplifying
(neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
that we perform the right shift in the appropriate mode, and
then extend or truncate the result to requested mode.

From-SVN: r111671

repo5.C: Cleanup repo files.

* g++.dg/template/repo5.C: Cleanup repo files.
* gcc.dg/20051201-1.c: Cleanup coverage files.
* gcc.target/sparc/fexpand-2.c, gcc.target/sparc/fpmerge-2.c,
gcc.target/sparc/fpmul-2.c, gcc.target/sparc/pdist-2.c: Cleanup
tree dump files.

From-SVN: r111667

gnu.ver: Adjust __copy_streambufs_eof export vs 64-bit arches.

2006-03-02  Paolo Carlini  <pcarlini@suse.de>

* config/abi/pre/gnu.ver: Adjust __copy_streambufs_eof export
vs 64-bit arches.

From-SVN: r111666

gengtype.c (main): Handle double_int type.

* gengtype.c (main): Handle double_int type.
* tree.h (struct tree_int_cst): Make type of int_cst double_int.
* double-int.c: New file.
* double-int.h: New file.
* system.h: Include doubleint.h.
* Makefile.in (SYSTEM_H): Include double-int.h.
(double-int.o): Add.

From-SVN: r111663

re PR bootstrap/26478 (bootstrap fails with readonly source directory)

PR bootstrap/26478
* Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
copying over it.

From-SVN: r111662

Daily bump.

From-SVN: r111660

tree-vrp.c (remove_range_assertions): Do not update statements unnecessarily.

* tree-vrp.c (remove_range_assertions): Do not update statements unnecessarily.

From-SVN: r111654

cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg cleanup.

* cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
cleanup.
* gcse.c (rest_of_handle_gcse): Ditto.
* except.c (gate_handle_eh): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Ditto.
* basic-block.h (CLEANUP_PRE_LOOP): Remove.

From-SVN: r111653

i386.c (machopic_output_stub): Add indirection to jump.

2006-03-02  Eric Christopher  <echristo@apple.com>

        * config/i386/i386.c (machopic_output_stub): Add indirection to
        jump.

From-SVN: r111652

loop.c: Removed.

* loop.c: Removed.

From-SVN: r111650

Sun Niagara specific optimizations.

* config.gcc: Recognize niagara as target.
* config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
(TARGET_CPU_niagara): Define.
(CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
(ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
(CPP_CPU_SPEC): Handle -mcpu=niagara.
(ASM_CPU_SPEC): Likewise.
(PROCESSOR_NIAGARA): New enum entry.
(REGISTER_MOVE_COST): Handle Niagara.
(BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
* config/sparc/sparc.c (niagara_costs): New processor_costs entry.
(sparc_override_options): Recognize "niagara", set appropriate
default MASK_* values for it, and align functions to 32-bytes
by default just like ULTRASPARC/ULTRASPARC3.
(sparc_initialize_trampoline): Handle niagara like ultrasparc.
(sparc64_initialize_trampoline): Likewise.
(sparc_use_sched_lookahead): Use zero for niagara.
(sparc_issue_rate): Use one for niagara.
* config/sparc/niagara.md: New file.
* config/sparc/sparc.md: Include it.
* config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
when default cpu is niagara.
(CPP_CPU_SPEC): Handle -mcpu=niagara.
(ASM_CPU_SPEC): Likewise.
* config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
when default cpu is niagara.
(ASM_CPU_SPEC): Handle -mcpu=niagara.
* config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
just like v9/ultrasparc/ultrasparc3.
* doc/invoke.texi: Add documentation for "niagara" and improve
existing documentation for ultrasparc variants.

From-SVN: r111648

tree-ssa-operands.c (update_stmt_operands): Update documentation.

* tree-ssa-operands.c (update_stmt_operands): Update documentation.

From-SVN: r111647

tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.

* doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
(ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
and say that only one is needed.
* doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
* target.h (have_switchable_bss_sections): New hook.
* explow.c (use_anchored_address): Check that the symbol is in a block.
* varasm.c (tls_comm_section, comm_section, lcomm_section)
(bss_noswitch_section): New variables.
(get_unnamed_section): Add SECTION_UNNAMED to the flags.
(get_noswitch_section): New function.
(get_block_for_section): Allow SECT to be null.
(unlikely_text_section_p): Use SECTION_STYLE.
(bss_initializer_p): New function.
(get_variable_section): Move earlier in file.  Take a new argument,
prefer_noswitch_p.  Move bss checks from assemble_variable to here.
Return one of the new *_sections in such cases.
(get_block_for_decl): New function, extracting some logic from
use_blocks_for_decl_p.
(change_symbol_section): Remove in favor of...
(change_symbol_block): ...this new function.
(use_blocks_for_decl_p): Remove checks now performed by
get_block_for_decl.
(make_decl_rtl): Use change_symbol_block and get_block_for_decl.
(ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
(emit_local, emit_bss, emit_common): ...these new functions.
Return true if the alignment was honored.
(emit_tls_common): New function.
(asm_emit_uninitialised): Delete.
(assemble_variable_noswitch): New function, split out from...
(assemble_variable): ...here.  Don't make decisions about common
variables here.  Globalize all public decls that go into non-common
sections.  Check whether SYMBOL_REF_BLOCK is null.
(output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
(output_constant_pool): Likewise.
(init_varasm_once): Initialize the new section variables.
(have_global_bss_p): New function.
(categorize_decl_for_section): Use bss_initializer_p.
(switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
(place_block_symbol): Assert that the symbol must be in a block.
* target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
(TARGET_INITIALIZER): Include it.
* rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
* output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
(SECTION_MACH_DEP): Bump by two.
(SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
(unnamed_section): Mention SECTION_UNNAMED in comment.
(named_section): Likewise SECTION_NAMED.
(noswitch_section_callback): New type.
(noswitch_section): New structure.
(section): Add a noswitch_section alternative.
(SECTION_STYLE): New macro.
(tls_comm_section, comm_section, lcomm_section): Declare.
(bss_noswitch_section, have_global_bss_p): Declare.
* config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
* config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
Override.
* config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
* config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
Override.

cp/
* decl.c (start_decl): Use have_global_bss_p when deciding
whether to make the decl common.

ada/
* utils.c (create_var_decl): Use have_global_bss_p when deciding
whether to make the decl common.

From-SVN: r111644

tree-vrp.c (execute_vrp): Return value.

2006-03-02  Daniel Berlin <dberlin@dberlin.org>

* gcc/tree-vrp.c (execute_vrp): Return value.
* gcc/regrename.c (rest_of_handle_regrename): Ditto.
* gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
* gcc/tree-complex.c (tree_lower_complex): Ditto.
(tree_lower_complex_O0): Ditto.
* gcc/tracer.c (rest_of_handle_tracer): Ditto.
* gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
* gcc/postreload.c (rest_of_handle_postreload): Ditto.
* gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
(execute_tail_calls): Ditto.
* gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* gcc/tree.h (init_function_for_compilation): Ditto.
* gcc/ipa-cp.c (ipcp_driver): Ditto.
* gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
* gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
* gcc/final.c (compute_alignments): Ditto.
(rest_of_handle_final): Ditto.
(rest_of_handle_shorten_branches): Ditto.
(rest_of_clean_state): Ditto.
* gcc/omp-low.c (execute_expand_omp): Ditto.
(execute_lower_omp): Ditto.
* gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
* gcc/ipa-reference.c (static_execute): Ditto.
* gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
* gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
(rest_of_handle_machine_reorg): Ditto.
* gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
* gcc/flow.c (recompute_reg_usage): Ditto.
(rest_of_handle_remove_death_notes): Ditto.
(rest_of_handle_life): Ditto.
(rest_of_handle_flow2): Ditto.
* gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
* gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
(do_ssa_store_ccp): Ditto.
(execute_fold_all_builtins): Ditto.
* gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
* gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
* gcc/ipa-pure-const.c (static_execute): Ditto.
* gcc/cse.c (rest_of_handle_cse): Ditto.
(rest_of_handle_cse2): Ditto.
* gcc/web.c (rest_of_handle_web): Ditto.
* gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
* gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
* gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* gcc/tree-nrv.c (tree_nrv): Ditto.
(execute_return_slot_opt): Ditto.
* gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
(create_structure_vars): Ditto.
* gcc/loop-init.c (rtl_loop_init): Ditto.
(rtl_loop_done): Ditto.
(rtl_move_loop_invariants): Ditto.
(rtl_unswitch): Ditto.
(rtl_unroll_and_peel_loops): Ditto.
(rtl_doloop): Ditto.
* gcc/gimple-low.c (lower_function_body): Ditto.
(mark_used_blocks): Ditto.
* gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
* gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
(cgraph_early_inlining): Ditto.
* gcc/global.c (rest_of_handle_global_alloc): Ditto.
* gcc/jump.c (cleanup_barriers): Ditto.
(purge_line_number_notes): Ditto.
* gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
(rest_of_handle_if_after_reload): Ditto.
* gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
(tree_ssa_loop_im): Ditto.
(tree_ssa_loop_unswitch): Ditto.
(tree_vectorize): Ditto.
(tree_linear_transform): Ditto.
(tree_ssa_loop_ivcanon): Ditto.
(tree_ssa_empty_loop): Ditto.
(tree_ssa_loop_bounds): Ditto.
(tree_complete_unroll): Ditto.
(tree_ssa_loop_prefetch): Ditto.
(tree_ssa_loop_ivopts): Ditto.
(tree_ssa_loop_done): Ditto.
* gcc/predict.c (tree_estimate_probability): Ditto.
* gcc/recog.c (split_all_insns_noflow): Ditto.
(rest_of_handle_peephole2): Ditto.
(rest_of_handle_split_all_insns): Ditto.
* gcc/tree-eh.c (lower_eh_constructs): Ditto.
* gcc/regmove.c (rest_of_handle_regmove): Ditto.
(rest_of_handle_stack_adjustments): Ditto.
* gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
* gcc/function.c (instantiate_virtual_regs): Ditto.
(init_function_for_compilation): Ditto.
(rest_of_handle_check_leaf_regs): Ditto.
* gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
(rest_of_handle_gcse): Ditto.
* gcc/ipa-type-escape.c (type_escape_execute): Ditto.
* gcc/alias.c (rest_of_handle_cfg): Ditto.
* gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
* gcc/profile.c (rest_of_handle_branch_prob): Ditto.
* gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
* gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
* gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
* gcc/tree-dfa.c (find_referenced_vars): Ditto.
* gcc/except.c (set_nothrow_function_flags): Ditto.
(convert_to_eh_region_ranges): Ditto.
(rest_of_handle_eh): Ditto.
* gcc/emit-rtl.c (unshare_all_rtl): Ditto.
(remove_unnecessary_notes): Ditto.
* gcc/except.h (set_nothrow_function_flags): Ditto.
(convert_to_eh_region_ranges): Ditto.
* gcc/cfgexpand.c (tree_expand_cfg): Ditto.
* gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
* gcc/tree-ssa-pre.c (do_pre): Ditto.
(execute_fre): Ditto.
* gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
(rest_of_handle_jump2): Ditto.
* gcc/tree-sra.c (tree_sra): Ditto.
* gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
(execute_mudflap_function_decls): Ditto.
* gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
(do_store_copy_prop): Ditto.
* gcc/ipa-prop.h (ipcp_driver): Ditto.
* gcc/cfglayout.c (insn_locators_initialize): Ditto.
* gcc/tree-ssa-forwprop.c
(tree_ssa_forward_propagate_single_use_vars): Ditto.
* gcc/cfglayout.h (insn_locators_initialize): Ditto.
* gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
* gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
(execute_late_warn_uninitialized): Ditto.
* gcc/rtl.h (cleanup_barriers): Ditto.
(split_all_insns_noflow): Ditto.
(purge_line_number_notes): Ditto.
(unshare_all_rtl): Ditto.
(remove_unnecessary_notes): Ditto.
(recompute_reg_usage): Ditto.
(variable_tracking_main): Ditto.
* gcc/integrate.c (emit_initial_value_sets): Ditto.
* gcc/integrate.h (emit_initial_value_sets): Ditto.
* gcc/tree-optimize.c (execute_free_datastructures): Ditto
(execute_free_cfg_annotations): Ditto.
(execute_fixup_cfg): Ditto.
(execute_cleanup_cfg_pre_ipa): Ditto.
(execute_cleanup_cfg_post_optimizing): Ditto.
(execute_init_datastructures): Ditto.
* gcc/tree-object-size.c (compute_object_sizes): Ditto.
* gcc/combine.c (rest_of_handle_combine): Ditto.
* gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
* gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
(rest_of_handle_reorder_blocks): Ditto.
(rest_of_handle_partition_blocks): Ditto.
* gcc/var-tracking.c (variable_tracking_main): Ditto.
* gcc/tree-profile.c (tree_profiling): Ditto.
* gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
* gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
* gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
(rest_of_handle_sched2): Ditto.
* gcc/basic-block.h (free_bb_insn): Ditto.
* gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
* gcc/tree-cfg.c (execute_build_cfg): Ditto.
(remove_useless_stmts): Ditto.
(split_critical_edges): Ditto.
(execute_warn_function_return): Ditto.
(execute_warn_function_noreturn): Ditto.
* gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
* gcc/cfgrtl.c (free_bb_for_insn): Ditto.
* gcc/passes.c (execute_one_pass): Run additional
todos returned by execute function.
* gcc/tree-pass.h (struct tree_opt_pass): Make execute
return a value.

From-SVN: r111643

Fixed a couple of objctective-c bugs.

Oked by Mike Stump.

From-SVN: r111642

Fix typo in 2006-02-17 ChangeLog entry (simplify_rtx.c -> simplify-rtx.c)

From-SVN: r111641

tree-ssa-alias.c (find_used_portions): Consider taking the address as making the variable not write-only.

2006-03-02  Richard Guenther  <rguenther@suse.de>

* tree-ssa-alias.c (find_used_portions): Consider taking
the address as making the variable not write-only.

From-SVN: r111639

single-precision-constant.c: Tweak for non-C99 runtimes.

* gcc.dg/single-precision-constant.c: Tweak for non-C99 runtimes.

From-SVN: r111638

config.gcc (default_use_cxa_atexit): Extend the description of this configure variable.

* config.gcc (default_use_cxa_atexit): Extend the description of
  this configure variable.  Set its default value to "yes" for
  Linux, NetBSD and ELF targets on the assumption that they will
  use C libraries with the __cxa_atexit function.

From-SVN: r111636

linux-unwind.h (frob_update_context): Mark `fs' parameter as unused to suppress a build warning.

* config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
parameter as unused to suppress a build warning.

From-SVN: r111635

mklibgcc.in: Depend on config/dfp-bit.h in rules that compile config/dfp-bit.c.

* mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
config/dfp-bit.c.

From-SVN: r111634

re PR other/26489 (compilation of c++ fails in eh_alloc.cc on NetBSD)

PR other/26489
* gthr-posix.h (__gthrw2): Define to take three parameters, the
declared name, the weak reference name, and the typeof name.
(__gthrw): Avoid expanding the declared name suffix.
(__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.

From-SVN: r111633

re PR target/25908 (vtables with vague linkage is not being marked as vague on darwin)

PR darwin/25908
* decl2.c (import_export_decl): Fix ABI breakage on darwin.

* g++.dg/abi/key2.C: Add.

From-SVN: r111632

trans-stmt.c (generate_loop_for_temp_to_lhs): Add an additional INVERT argument to invert the sense of the WHEREMASK argument.

* trans-stmt.c (generate_loop_for_temp_to_lhs): Add an additional
INVERT argument to invert the sense of the WHEREMASK argument.
Remove unneeded code to AND together a list of masks.
(generate_loop_for_rhs_to_temp): Likewise.
(gfc_trans_assign_need_temp): Likewise.
(gfc_trans_forall_1): Likewise.
(gfc_evaluate_where_mask): Likewise, add a new INVERT argument
to specify the sense of the MASK argument.
(gfc_trans_where_assign): Likewise.
(gfc_trans_where_2): Likewise.  Restructure code that decides
whether we need to allocate zero, one or two temporary masks.
If this is a top-level WHERE (i.e. the incoming MAKS is NULL),
we only need to allocate at most one temporary mask, and can
invert it's sense to provide the complementary pending execution
mask.  Only calculate the size of the required temporary arrays
if we need any.
(gfc_trans_where): Update call to gfc_trans_where_2.

From-SVN: r111630

Daily bump.

From-SVN: r111628

dwarf2.h (DW_TAG_condition, [...]): New constants from DWARF 3.

* dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
from DWARF 3.
(DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
(DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
(DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
(DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
DW_DS_leading_separate, DW_DS_trailing_separate): New.
(DW_END_default, DW_END_big, DW_END_little): New.
(DW_END_lo_user, DW_END_hi_user): Define.
(DW_LNE_lo_user, DW_LNE_hi_user): Define.
(DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
(DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
DW_LANG_D): New.

From-SVN: r111620

tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.

* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
Update all users.
* tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
Update all users.
(TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
Update all users.
* tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
Update all users.
* tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
to 'symbol_mem_tag'.
Update all users.
* doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
rename.

From-SVN: r111617

re PR fortran/26393 (ICE with function returning variable lenght array)

2006-03-01  Paul Thomas  <pault@gcc.gnu.org>

* iresolve.c (gfc_resolve_dot_product):  Remove any difference in
treatment of logical types.
* trans-intrinsic.c (gfc_conv_intrinsic_dot_product):  New function.

PR fortran/26393
* trans-decl.c (gfc_get_symbol_decl): Extend condition that symbols
must be referenced to include unreferenced symbols in an interface
body.

PR fortran/20938
* trans-array.c (gfc_conv_resolve_dependencies): Add call to
gfc_are_equivalenced_arrays.
* symbol.c (gfc_free_equiv_infos, gfc_free_equiv_lists): New
functions. (gfc_free_namespace): Call them.
* trans-common.c (copy_equiv_list_to_ns): New function.
(add_equivalences): Call it.
* gfortran.h: Add equiv_lists to gfc_namespace and define
gfc_equiv_list and gfc_equiv_info.
* dependency.c (gfc_are_equivalenced_arrays): New function.
(gfc_check_dependency): Call it.
* dependency.h: Prototype for gfc_are_equivalenced_arrays.

2006-03-01  Paul Thomas  <pault@gcc.gnu.org>

* gfortran.dg/logical_dot_product.f90: New test.

PR fortran/26393
* gfortran.dg/used_interface_ref.f90: New test.

PR fortran/20938
* gfortran.dg/dependency_2.f90: New test.
* gfortran.fortran-torture/execute/where17.f90: New test.
* gfortran.fortran-torture/execute/where18.f90: New test.
* gfortran.fortran-torture/execute/where19.f90: New test.
* gfortran.fortran-torture/execute/where20.f90: New test.

From-SVN: r111616

builtins.c (fold_builtin_copysign): Delete unreachable code.

* builtins.c (fold_builtin_copysign): Delete unreachable code.

From-SVN: r111615

Fixup whitespace a litte

From-SVN: r111612

re PR target/25761 (-fpic (not -fPIC) does not work with i686-darwin)

2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/25761
        * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
        MACHO_DYNAMIC_NO_PIC_P.
        (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.

From-SVN: r111611

re PR target/26389 (Darwin does not support -fsection-anchors)

2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/26389
        * config/darwin-protos.h (darwin_asm_output_anchor):
        Declare.
        * config/darwin-sections.def (cstring_section):
        Add SECTION_MERGE to the flags.
        (literal4_section): Likewise.
        (literal8_section): Likewise.
        (objc_selector_refs_section): Likewise.
        (objc_cls_refs_section): Likewise.
        * config/darwin.c (darwin_asm_output_anchor): New
        function.
        * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.

From-SVN: r111609

re PR tree-optimization/26443 (ICE in add_virtual_operand, at tree-ssa-operands.c:1867)

2006-03-01  Daniel Berlin  <dberlin@dberlin.org>

Fix PR tree-optimization/26443
* tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
to todo and PROP_tmt_usage to properties_destroyed.
* tree-ssa-ccp.c (pass_ccp): Ditto.
(pass_store_ccp): Ditto.
* tree-ssa-dom.c (pass_dominator): Ditto.

From-SVN: r111608

re PR libgcj/17311 (Wrong libgcc_s.so.1 is used by lt-gij)

2006-03-01  H.J. Lu  <hongjiu.lu@intel.com>

PR libgcj/17311
* ltmain.sh: Don't use "$finalize_rpath" for compile.

From-SVN: r111607

lwg-active.html, [...]: Import Revision 41.

2006-03-01  Paolo Carlini  <pcarlini@suse.de>

* docs/html/ext/lwg-active.html, lwg-defects.html: Import Revision 41.

From-SVN: r111606

tree-ssa-operands.c: Cleanup whitespace.

* tree-ssa-operands.c: Cleanup whitespace.
(get_asm_expr_operands): Move before first invocation.
(get_indirect_ref_operands): Likewise.
(get_tmr_operands): Likewise.
(get_call_expr_operands): Likewise.
(append_def): Likewise.
(append_use): Likewise.
(append_v_may_def): Likewise.
(append_v_must_def): Likewise.
(add_call_clobber_ops): Likewise.
(add_call_read_ops): Likewise.
(add_stmt_operand): Likewise.
(add_virtual_operand): Likewise.
(build_ssa_operands): Likewise.

From-SVN: r111604

re PR libgcj/24321 (instanceof erroneously causes class initialization)

PR java/24321:
* testsuite/libjava.lang/pr24321.java: New file.
* testsuite/libjava.lang/pr24321.out: New file.
* java/lang/natClass.cc (isInstance): Don't initialize class.
(isAssignableFrom): Likewise.

From-SVN: r111603

re PR middle-end/26022 (ICE with references and virtual functions)

2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>

PR middle-end/26022
Revert:
PR middle-end/24437
* tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
with a call expr to ...
* fold-const.c (fold_ternary) <case CALL_EXPR>: Here.

2006-02-28  Andrew Pinski  <pinskia@physics.uc.edu>

PR middle-end/26022
* g++.dg/opt/return-slot1.C: New test.

From-SVN: r111602

dependency.c (gfc_is_same_range): Compare the stride...

* dependency.c (gfc_is_same_range): Compare the stride, lower and
upper bounds when testing array reference ranges for equality.

(gfc_check_dependency): Fix indentation whitespace.
(gfc_check_element_vs_element): Likewise.
(gfc_dep_resolver): Likewise.

From-SVN: r111601

tree-vrp.c (extract_range_from_assert): Remove special handling for types with super-types.

* tree-vrp.c (extract_range_from_assert): Remove special
handling for types with super-types.

From-SVN: r111600

re PR libfortran/26136 (List directed input with underfilled  (logicals) array read incorrectly)

2006-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/26136
* gfortran.dg/namelist_23.f90: New test.

From-SVN: r111598

re PR libfortran/26136 (List directed input with underfilled  (logicals) array read incorrectly)

2006-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/26136
* io/io.h: Add flag for reading from line_buffer.
* io/list_read.c (l_push_char): New function to save namelist
input when reading logicals.
(free_line): New function to free line_buffer memory.
(next_char): Added feature to read from line_buffer.
(read_logical): Use new functions to test for '=' after reading a
logical value, checking for possible variable name.
(namelist_read): Use free_line when all done.

From-SVN: r111597

config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux* and powerpc64-*-linux*...

* config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
and powerpc64-*-linux* configurations.
* config/t-dfprules: New file.

From-SVN: r111596

mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.

* mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
Compile dfp-bit.c from the source directory using -DWIDTH and
$DFP_CFLAGS to control the compilation of that file, rather than
generating width-specific versions in the build directory.
* Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
(LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].

From-SVN: r111595

md.texi: Avoid use of @headitem so that makeinfo <4.7 continues to work.

* doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
continues to work.

From-SVN: r111594

Daily bump.

From-SVN: r111590

darwin.h (ENABLE_STACK_EXECUTE): Define.

2006-02-28  Eric Christopher  <echristo@apple.com>

        * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
        Set up IN_LIBGCC definition of TARGET_64BIT.
        * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.

From-SVN: r111584

unwindtest.cc (closure_test_fn): Mark cif, args and userdata unused.

2006-03-01  Andreas Tobler  <a.tobler@schweiz.ch>

* testsuite/libffi.special/unwindtest.cc (closure_test_fn): Mark cif,
args and userdata unused.
(closure_test_fn1): Mark cif and userdata unused.
(main): Remove unused res.

From-SVN: r111583

call.exp: Adjust FSF address.

2006-02-28  Andreas Tobler  <a.tobler@schweiz.ch>

* testsuite/libffi.call/call.exp: Adjust FSF address. Add test runs for
-O2, -O3, -Os and the warning flags -W -Wall.
* testsuite/libffi.special/special.exp: Likewise.
* testsuite/libffi.call/ffitest.h: Add an __UNUSED__ macro to mark
unused parameter unused for gcc or else do nothing.
* testsuite/libffi.special/ffitestcxx.h: Likewise.
* testsuite/libffi.call/cls_12byte.c (cls_struct_12byte_gn): Mark cif
and userdata unused.
* testsuite/libffi.call/cls_16byte.c (cls_struct_16byte_gn): Likewise.
* testsuite/libffi.call/cls_18byte.c (cls_struct_18byte_gn): Likewise.
* testsuite/libffi.call/cls_19byte.c (cls_struct_19byte_gn): Likewise.
* testsuite/libffi.call/cls_1_1byte.c (cls_struct_1_1byte_gn): Likewise.
* testsuite/libffi.call/cls_20byte.c (cls_struct_20byte_gn): Likewise.
* testsuite/libffi.call/cls_20byte1.c (cls_struct_20byte_gn): Likewise.
* testsuite/libffi.call/cls_24byte.c (cls_struct_24byte_gn): Likewise.
* testsuite/libffi.call/cls_2byte.c (cls_struct_2byte_gn): Likewise.
* testsuite/libffi.call/cls_3_1byte.c (cls_struct_3_1byte_gn): Likewise.
* testsuite/libffi.call/cls_3byte1.c (cls_struct_3byte_gn): Likewise.
* testsuite/libffi.call/cls_3byte2.c (cls_struct_3byte_gn1): Likewise.
* testsuite/libffi.call/cls_4_1byte.c (cls_struct_4_1byte_gn): Likewise.
* testsuite/libffi.call/cls_4byte.c (cls_struct_4byte_gn): Likewise.
* testsuite/libffi.call/cls_5_1_byte.c (cls_struct_5byte_gn): Likewise.
* testsuite/libffi.call/cls_5byte.c (cls_struct_5byte_gn): Likewise.
* testsuite/libffi.call/cls_64byte.c (cls_struct_64byte_gn): Likewise.
* testsuite/libffi.call/cls_6_1_byte.c (cls_struct_6byte_gn): Likewise.
* testsuite/libffi.call/cls_6byte.c (cls_struct_6byte_gn): Likewise.
* testsuite/libffi.call/cls_7_1_byte.c (cls_struct_7byte_gn): Likewise.
* testsuite/libffi.call/cls_7byte.c (cls_struct_7byte_gn): Likewise.
* testsuite/libffi.call/cls_8byte.c (cls_struct_8byte_gn): Likewise.
* testsuite/libffi.call/cls_9byte1.c (cls_struct_9byte_gn): Likewise.
* testsuite/libffi.call/cls_9byte2.c (cls_struct_9byte_gn): Likewise.
* testsuite/libffi.call/cls_align_double.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_align_float.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_align_longdouble.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_align_pointer.c (cls_struct_align_fn): Cast
void* to avoid compiler warning.
(main): Likewise.
(cls_struct_align_gn): Mark cif and userdata unused.
* testsuite/libffi.call/cls_align_sint16.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_align_sint32.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_align_sint64.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_align_uint16.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_align_uint32.c (cls_struct_align_gn):
Likewise.
* testsuite/libffi.call/cls_double.c (cls_ret_double_fn): Likewise.
* testsuite/libffi.call/cls_float.c (cls_ret_float_fn): Likewise.
* testsuite/libffi.call/cls_multi_schar.c (test_func_gn): Mark cif and
data unused.
(main): Cast res_call to silence gcc.
* testsuite/libffi.call/cls_multi_sshort.c (test_func_gn): Mark cif and
data unused.
(main): Cast res_call to silence gcc.
* testsuite/libffi.call/cls_multi_sshortchar.c (test_func_gn): Mark cif
and data unused.
(main): Cast res_call to silence gcc.
* testsuite/libffi.call/cls_multi_uchar.c (test_func_gn): Mark cif and
data unused.
(main): Cast res_call to silence gcc.
* testsuite/libffi.call/cls_multi_ushort.c (test_func_gn): Mark cif and
data unused.
(main): Cast res_call to silence gcc.
* testsuite/libffi.call/cls_multi_ushortchar.c (test_func_gn): Mark cif
and data unused.
(main): Cast res_call to silence gcc.
* testsuite/libffi.call/cls_schar.c (cls_ret_schar_fn): Mark cif and
userdata unused.
(cls_ret_schar_fn): Cast printf parameter to silence gcc.
* testsuite/libffi.call/cls_sint.c (cls_ret_sint_fn): Mark cif and
userdata unused.
(cls_ret_sint_fn): Cast printf parameter to silence gcc.
* testsuite/libffi.call/cls_sshort.c (cls_ret_sshort_fn): Mark cif and
userdata unused.
(cls_ret_sshort_fn): Cast printf parameter to silence gcc.
* testsuite/libffi.call/cls_uchar.c (cls_ret_uchar_fn):  Mark cif and
userdata unused.
(cls_ret_uchar_fn): Cast printf parameter to silence gcc.
* testsuite/libffi.call/cls_uint.c (cls_ret_uint_fn): Mark cif and
userdata unused.
(cls_ret_uint_fn): Cast printf parameter to silence gcc.
* testsuite/libffi.call/cls_ulonglong.c (cls_ret_ulonglong_fn): Mark cif
and userdata unused.
* testsuite/libffi.call/cls_ushort.c (cls_ret_ushort_fn): Mark cif and
userdata unused.
(cls_ret_ushort_fn): Cast printf parameter to silence gcc.
* testsuite/libffi.call/float.c (floating): Remove unused parameter e.
* testsuite/libffi.call/float1.c (main): Remove unused variable i.
Cleanup white spaces.
* testsuite/libffi.call/negint.c (checking): Remove unused variable i.
* testsuite/libffi.call/nested_struct.c (cls_struct_combined_gn): Mark
cif and userdata unused.
* testsuite/libffi.call/nested_struct1.c (cls_struct_combined_gn):
Likewise.
* testsuite/libffi.call/nested_struct10.c (B_gn): Likewise.
* testsuite/libffi.call/nested_struct2.c (B_fn): Adjust printf
formatters to silence gcc.
(B_gn): Mark cif and userdata unused.
* testsuite/libffi.call/nested_struct3.c (B_gn): Mark cif and userdata
unused.
* testsuite/libffi.call/nested_struct4.c: Mention related PR.
(B_gn): Mark cif and userdata unused.
* testsuite/libffi.call/nested_struct5.c (B_gn): Mark cif and userdata
unused.
* testsuite/libffi.call/nested_struct6.c: Mention related PR.
(B_gn): Mark cif and userdata unused.
* testsuite/libffi.call/nested_struct7.c (B_gn): Mark cif and userdata
unused.
* testsuite/libffi.call/nested_struct8.c (B_gn): Likewise.
* testsuite/libffi.call/nested_struct9.c (B_gn): Likewise.
* testsuite/libffi.call/problem1.c (stub): Likewise.
* testsuite/libffi.call/pyobjc-tc.c (main): Cast the result to silence
gcc.
* testsuite/libffi.call/return_fl2.c (return_fl): Add the note mentioned
in the last commit for this test case in the test case itself.
* testsuite/libffi.call/closure_fn0.c (closure_test_fn0): Mark cif as
unused.
* testsuite/libffi.call/closure_fn1.c (closure_test_fn1): Likewise.
* testsuite/libffi.call/closure_fn2.c (closure_test_fn2): Likewise.
* testsuite/libffi.call/closure_fn3.c (closure_test_fn3): Likewise.
* testsuite/libffi.call/closure_fn4.c (closure_test_fn0): Likewise.
* testsuite/libffi.call/closure_fn5.c (closure_test_fn5): Likewise.
* testsuite/libffi.call/closure_fn6.c (closure_test_fn0): Likewise.

From-SVN: r111582

re PR tree-optimization/14752 ([tree-ssa] "~a" should be changed to "a" if used in the condition of an if statement)

PR middle-end/14752
* c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
cases via the construction of "expr != 0".

* gcc.dg/fold-eqandshift-2.c: New test case.

From-SVN: r111575

alias.c (alias_invariant, [...]): Remove.

* alias.c (alias_invariant, alias_invariant_size): Remove.
(record_base_value): Remove.
        (memrefs_conflict_p): Don't look at alias_invariant.
        (end_alias_analysis): Don't free it.
        * alias.h (record_base_value): Remove prototype.

From-SVN: r111574

rtl.h (truncated_to_mode): Declare it.

* rtl.h (truncated_to_mode): Declare it.
(struct rtl_hooks): Add reg_truncated_to_mode hook.
* rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
(RTL_HOOKS_INITIALIZER): Include it.
* rtlhooks.c (reg_truncated_to_mode_general): New function.
* combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
reg_truncated_to_mode.
* rtlanal.c (truncated_to_mode): Define it.
* simplify-rtx.c (simplify_unary_operation_1): Use it.

Co-Authored-By: Adam Nemet <anemet@caviumnetworks.com>
From-SVN: r111573

tree-chrec.c (chrec_convert_aggressive): Do not eliminate conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover...

        * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
        conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
        the range allowed by TYPE_PRECISION.

From-SVN: r111568

tree.h (strct phi_arg_d): Remove unused NONZERO field.

        * tree.h (strct phi_arg_d): Remove unused NONZERO field.

From-SVN: r111567

pr26421.c: Fix testcase to force struct decomposition.

2006-02-28  Richard Guenther  <rguenther@suse.de>

        * gcc.dg/tree-ssa/pr26421.c: Fix testcase to force struct
        decomposition.

From-SVN: r111566

re PR bootstrap/26055 (libgcc-math declaration of __isinf conflicts with system header, fails bootstrap)

2006-02-28  Richard Guenther  <rguenther@suse.de>

PR bootstrap/26055
Revert
* configure.ac: Disable libgcc-math if we cannot mix
declaration of __isinf and math.h inclusion.
* configure: Re-generate.

* i386/Makefile.am: Use -std=c99, do not use -ffinite-math-only,
do not define __NO_MATH_INLINES.
* i386/Makefile.in: Re-generate.
* include/math_private.h (__atanf): Declare.
(__scalbnf): Likewise.
(__floorf): Likewise.
(__isinff): Likewise.
(__scalbn): Likewise.
(__floor): Likewise.
(fabs): Likewise.
(fabsf): Likewise.
* flt-32/e_acosf.c: Do not include math.h
* flt-32/s_isinff.c: Likewise.
* flt-32/k_tanf.c: Likewise.
* flt-32/e_sqrtf.c: Likewise.
* flt-32/e_asinf.c: Likewise.
* flt-32/k_cosf.c: Likewise.
* flt-32/k_sinf.c: Likewise.
* flt-32/s_floorf.c: Likewise.
* flt-32/s_tanf.c: Likewise.
* flt-32/s_atanf.c: Likewise.
* flt-32/s_cosf.c: Likewise.
* flt-32/e_atan2f.c: Likewise.
* flt-32/e_powf.c: Likewise.
* flt-32/s_sinf.c: Likewise.
* flt-32/e_rem_pio2f.c: Likewise.
* flt-32/s_scalbnf.c: Likewise.
* flt-32/e_logf.c: Likewise.
* flt-32/e_log10f.c: Likewise.
* flt-32/k_rem_pio2f.c: Likewise.
* flt-32/e_expf.c: Likewise.  Use __builtin_isless and
__builtin_isgreater.
* dbl-64/s_floor.c: Do not include math.h.
* dbl-64/e_log10.c: Likewise.
* dbl-64/k_rem_pio2.c: Likewise.
* dbl-64/s_atan.c: Likewise.
* dbl-64/s_scalbn.c: Likewise.
* dbl-64/s_isinf.c: Likewise.
* dbl-64/s_tan.c: Likewise.
* dbl-64/e_rem_pio2.c: Likewise.  Avoid uninitialized variable
warning.
* dbl-64/mpa.c: Likewise.

From-SVN: r111563

trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): If the mask expression exists and has rank 0...

2006-02-28  Thomas Koenig  <Thomas.Koenig@online.de>

* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc):
If the mask expression exists and has rank 0, enclose the
generated loop in an "if (mask)".  Put the default
initialization into the else branch.

2006-02-28  Thomas Koenig  <Thomas.Koenig@online.de>

* scalar_mask_1.f90:  Add tests for maxloc with scalar mask.

From-SVN: r111562

* gennews (files): Update for GCC 4.1.

From-SVN: r111518

re PR tree-optimization/26419 (-ftree-vectorizer-verbose=n documentation is terse)

        PR tree-optimization/26419
        * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
        values of n.

From-SVN: r111516

* doc/md.texi: Fix typo in previous change.

From-SVN: r111513

Add an entry for the removal of df.c.

From-SVN: r111509

* rtl.def (define_constraint, define_register_constraint)
(define_memory_constraint, define_address_constraint): New MD forms.
* gensupport.c (process_rtx): Put define_constraint etc on the
predicate queue.
* genpreds.c (process_define_predicate): Adjust comment.  Validate
the name, and call validate_exp to validate the expression.
(mark_mode_tests, write_extract_subexp): Can assume correct input.
(write_predicate_expr): Likewise.  NAME argument no longer necessary;
all callers changed.
(validate_exp, needs_variable, struct constraint_data)
(constraints_by_letter_table, first_constraint, last_constraint_ptr)
(FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
(const_dbl_constraints, constraint_max_namelen)
(have_register_constraints, have_memory_constraints)
(have_address_constraints, have_address_constraints)
(have_extra_constraints, have_const_int_constraints)
(have_const_dbl_constraints, mangle, add_constraint)
(process_define_constraint, process_define_register_constraint)
(write_enum_constraint_num, write_lookup_constraint)
(write_insn_constraint_len, write_regclass_for_constraint)
(write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
(write_insn_extra_memory_constraint)
(write_insn_extra_address_constraint)
(write_satisfies_constraint_fns): New.
(write_tm_preds_h): If we have new-style constraint definitions,
prototype the functions generated from them, and define the
old constraint interface (still used by generic code) in terms of
those functions.
(write_insn_preds_c): If we have new-style constraint definitions,
generate all relevant functions from those definitions.
(main): Handle define_constraint etc.
* genoutput.c (struct constraint_data, indep_constraints)
(mdep_constraint_letters, constraints_by_letter_table, note_constraint)
(mdep_constraint_len): New data structures and functions, defined
#ifdef USE_MD_CONSTRAINTS.
(check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
(validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
use new logic to validate operand constraints against constraint
definitions.
(main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
defined.
* defaults.h: If none of the old-style constraint macros are
defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
old-style macros; and poison REG_CLASS_FROM_LETTER,
CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
EXTRA_CONSTRAINT.
* recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
* doc/md.texi: Document new constraint-definition mechanism and the
C interface it provides.  Remove references to old mechanism
  elsewhere in the document.
(Machine Constraints): Use pathnames relative to gcc directory,
i.e. config/ARCH/FILE.  Change i386 section to refer to
config/i386/predicates.md; update that section to match docstrings.
* doc/tm.texi: Move all documentation of the old constraint-
definition macros to their own section, clearly mark as obsolete.

* config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
(u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
definitions.
* config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
* config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
constraint strings.
(splits and peepholes): Use satisfies_constraint_*.
* config/i386/i386.c (memory_address_length)
(ix86_attr_length_immediate_default): Use satisfies_constraint_*.

From-SVN: r111508

re PR libfortran/26464 (Runtime I/O error/invald argument on READ)

2006-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/26464
* gfortran.dg/backspace_5.f: New test.
* gfortran.dg/backspace_6.f: New test.

From-SVN: r111507

re PR libfortran/26464 (Runtime I/O error/invald argument on READ)

2006-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/26464
* io/file_pos.c (st_backspace): Flush and truncate file
when in AFTER_ENDFILE condition.
* io/transfer.c (st_read_done): Remove flush, no longer needed.

From-SVN: r111506

re PR other/26473 (cross-building installs ssp headers to $(includedir))

PR 26473
* configure.ac (ACX_NONCANONICAL_TARGET): Use it.
* Makefile.am (target_noncanonical): Define.
(libsubincludedir): New variable.
(nobase_libsubinclude_HEADERS): Likewise.
(nobase_include_HEADERS): Remove.
* configure: Regenerated.
* Makefile.in: Likewise.
* aclocal.m4: Regenerated.

From-SVN: r111501

Daily bump.

From-SVN: r111498

lambda-code.c (can_convert_to_perfect_nest): Allow any type of

2006-02-27  Daniel Berlin  <dberlin@dberlin.org>

* lambda-code.c (can_convert_to_perfect_nest): Allow any type of

From-SVN: r111489

re PR other/26208 (Serious problem with unwinding through signal frames)

PR other/26208
* unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
(extract_cie_info): Handle S flag in augmentation string.
(execute_cfa_program): If context->signal_frame, execute also
fs->pc == context->ra instructions.
(uw_frame_state_for): If context->signal_frame, don't subtract one
from context->ra to find FDE.
(uw_update_context_1): Set context->signal_frame to
fs->signal_frame.
(_Unwind_GetIPInfo): New function.
* unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
* unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
of _Unwind_GetIP.
* unwind-sjlj.c (_Unwind_GetIPInfo): New function.
* unwind-generic.h (_Unwind_GetIPInfo): New prototype.
* unwind-compat.c (_Unwind_GetIPInfo): New function.
* libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
* config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
* config/i386/linux-unwind.h (x86_fallback_frame_state,
x86_64_fallback_frame_state): Set fs->signal_frame.
* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
(MD_FROB_UPDATE_CONTEXT): Define unconditionally.
(frob_update_context): Likewise.  Workaround missing S flag in
Linux 2.6.12 - 2.6.16 kernel vDSOs.
* config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
Remove the psw_addr + 1 hack.
libjava/
* exception.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
of _Unwind_GetIP.
* include/i386-signal.h (MAKE_THROW_FRAME): Change into empty macro.
(HANDLE_DIVIDE_OVERFLOW): Don't adjust _res->eip if falling through
to throw.
* include/x86_64-signal.h (MAKE_THROW_FRAME): Change into empty
macro.
* include/powerpc-signal.h (MAKE_THROW_FRAME): Change into empty
macro.
libstdc++-v3/
* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use
_Unwind_GetIPInfo instead of _Unwind_GetIP.

From-SVN: r111488

tree-ssa-structalias.c (get_constraint_for): Move code to deal with aggregates here.

2006-02-27  Daniel Berlin  <dberlin@dberlin.org>

* tree-ssa-structalias.c (get_constraint_for): Move code to deal
with aggregates here.
(find_func_aliases): Remove code for &<aggregate> from here.

From-SVN: r111487

The file was empty.

From-SVN: r111486

re PR libstdc++/14866 (27_io/ios_base/sync_with_stdio/1.cc is broken on simulator testglue targets)

2006-02-27  Paolo Carlini  <pcarlini@suse.de>

PR libstdc++/14866
* testsuite/27_io/ios_base/sync_with_stdio/1.cc: Redirect
stderr instead.

From-SVN: r111475

re PR libstdc++/14866 (27_io/ios_base/sync_with_stdio/1.cc is broken on simulator testglue targets)

2006-02-27  Paolo Carlini  <pcarlini@suse.de>

PR libstdc++/14866
* testsuite/27_io/ios_base/sync_with_stdio/1.cc: Redirect
stderr instead.

From-SVN: r111474

2006-02-27  Paolo Carlini  <pcarlini@suse.de>

* Add <tr1/cstdbool> and <tr1/stdbool.h>, missing from
the last commit.

From-SVN: r111472

fold-const.c (fold_binary): Fold (~X & C) eq/ne 0 as (X & C) ne/eq 0, where C is a single bit, i.e.

* fold-const.c (fold_binary) <EQ_EXPR>:  Fold (~X & C) eq/ne 0 as
(X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
as (X & C) ne/eq 0.

* gcc.dg/fold-eqandnot-1.c: New test case.

From-SVN: r111471

re PR middle-end/19983 (__builtin_nan should allow 0X as well as 0x)

PR middle-end/19983
* real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.

* gcc.c-torture/execute/ieee/builtin-nan-1.c: New test case.

From-SVN: r111470

opts.c (decode_options): Do not handle flag_strength_reduce.

* opts.c (decode_options): Do not handle flag_strength_reduce.
(common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
and OPT_fstrength_reduce.
* tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
flag_prefetch_loop_arrays for being nonzero.
* common.opt (floop-optimize, frerun-loop-opt): Resurrected as
no-ops.
(fprefetch-loop-arrays-rtl): Removed.
(flag_prefetch_loop_arrays): Do not specify the value.

* doc/passes.texi: Update documentation of loop optimizer
passes.
* doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
-frerun-loop-opt): Remove.

* gcc.target/i386/20000614-2.c: Do not use -fno-strength-reduce.
* gcc.dg/20030324-1.c: Do not use -fstrength-reduce.

From-SVN: r111469

Daily bump.

From-SVN: r111467

re PR tree-optimization/26421 (tree-ssa-alias.c:find_used_portions considers foo(&var) use all elements of var)

2006-02-26  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/26421
* tree-ssa-alias.c (find_used_portions): Don't treat parameters
in function calls that are ADDR_EXPRs as using the whole structure.

* gcc.dg/tree-ssa/pr26421.c: New testcase.

From-SVN: r111461

common.opt (-floop-optimize, [...]): Remove.

gcc/
* common.opt (-floop-optimize, -frerun-loop-opt): Remove.
* tree-pass.h (pass_loop_optimize): Remove.
* passes.c (pass_loop_optimize): Never run it.
* toplev.c (backend_init): Don't call init_loop.
* opts.c (flag_loop_optimize_set): Remove.
(decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
(common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
the old RTL loop optimizer when profiling enabled.
* predict.c (tree_estimate_probability): Always strip builtin_expect.
* cfgcleanup.c (try_forward_edges): Don't avoid killing loop
pre-headers for the sake of the old RTL loop optimizer.
* Makefile.in: Remove all references to loop.o.

* doc/invoke.texi: Remove all references to -floop-optimize
and -frerun-loop-opt.

testsuite/
* gcc.dg/20031201-1.c: Don't use -frerun-loop-opt.
* g++.old-deja/g++.robertl/eb132.C: Likewise.

From-SVN: r111459

md.texi (Machine Constraints): Refer to all files with paths relative to gcc directory (i.e.

* doc/md.texi (Machine Constraints): Refer to all files with paths
relative to gcc directory (i.e. config/CPU/file).  Add missing
@table @code ... @end table to M32C subsection.

From-SVN: r111457

cmath: Add templates (8.16.3).

2006-02-26  Paolo Carlini  <pcarlini@suse.de>

* include/tr1/cmath: Add templates (8.16.3).
* include/tr1/cstbool: New.
* include/tr1/stdbool.h: Likewise.
* include/Makefile.am: Add.
* testsuite/tr1/8_c_compatibility/cmath/templates.cc: New.
* testsuite/tr1/headers.cc: Update.
* acinclude.m4 ([GLIBCXX_CHECK_C99_TR1]): Add <stdbool.h> check.
* docs/html/ext/tr1.html: Update.
* include/Makefile.in: Regenerate.
* config.h.in: Likewise.
* configure: Likewise.

From-SVN: r111456

fold-const.c (fold_binary): Fold (X & 1) ^ 1 as (X & 1) == 0.

* fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
(X & 1) == 0.
<BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.

* gcc.dg/fold-even-1.c: New test case.

From-SVN: r111454