lang-specs.h: Revoke change to (incorrectly) prohibit passing -f options to cc1 when...

2003-01-26  Toon Moene  <toon@moene.indiv.nluug.nl>

* lang-specs.h: Revoke change to (incorrectly) prohibit
passing -f options to cc1 when preprocessing.
* news.texi: Document this.

From-SVN: r61854

avr.h, [...]: Undefine ASM_FINISH_DECLARE_OBJECT before defining it.

2003-01-26  Steven Bosscher  <s.bosscher@student.tudelft.nl>

* config/avr/avr.h, config/cris/aout.h, config/elfos.h,
config/i386/freebsd-aout.h, config/mips/iris6.h: Undefine
ASM_FINISH_DECLARE_OBJECT before defining it.
* toplev.c (rest_of_decl_compilation):  Don't define
ASM_FINISH_DECLARE_OBJECT.  Only use it if it is defined.
(rest_of_type_compilation): Don't ATTRIBUTE_UNUSED function
parameters for DWARF2 targets because they _are_ used.

From-SVN: r61851

Make-lang.in (treelang/parse.o-warn): Define as -Wno-error.

2003-01-26  Michael Matz  <matz@suse.de>

* Make-lang.in (treelang/parse.o-warn): Define as -Wno-error.

From-SVN: r61838

fp-bit.h: Define macros for TFmode floating-point constants in IBM-extended TFmode types.

* fp-bit.h: Define macros for TFmode floating-point constants
in IBM-extended TFmode types.
(TMODES): Define if __LDBL_MANT_DIG__ has the newly-supported
widths.
* config/fp-bit.c (pack_d, unpack_d): Support IBM-extended
TFmode type.

From-SVN: r61837

fp-bit.h: Define macros for TFmode floating-point constants in IEEE quad TFmode type.

* config/fp-bit.h: Define macros for TFmode floating-point
constants in IEEE quad TFmode type.  Declare functions according
to L_ macros.
(TMODES): Define if __LDBL_MANT_DIG__ is 113.
(TFtype, TItype, UTItype): Define if TMODES is defined.
(MAX_UDI_INT, MAX_DI_INT, BITS_PER_DI): Likewise.
(F_T_BITOFF, D_T_BITOFF): Define.
(IMPLICIT_1, IMPLICIT_2): Cast constants to types that are
guaranteed to be wide enough.
* config/fp-bit.c: Check for L_ macros for tf functions.
(__thenan_tf): New.
(nan): Adjust.
(pack_d, unpack_d): Support IEEE 854 quad type.
(_fpmul_parts): Support TFmode.  Compute exponent adjustment
from FRAC_NBITS, FRAC_BITS and NGARDS.
(usi_to_float): Cast constants to be shifted to fractype
instead of assuming long long is wide enough.
(sf_to_tf, df_to_tf, __make_tp, tf_to_df, tf_to_sf): New.

From-SVN: r61835

* df.c: Remove prototype of unused function df_regno_rtl_debug.

From-SVN: r61833

Makefile.in (FPBIT_FUNCS): Added _sf_to_tf.

* Makefile.in (FPBIT_FUNCS): Added _sf_to_tf.
(DBBIT_FUNCS): Added _df_to_tf.
(TPBIT_FUNCS): New.
(libgcc.mk): Pass TPBIT and TPBIT_FUNCS down.
(LIBGCC_DEPS): Added TPBIT.
* mklibgcc.in: Support TPBIT and TPBIT_FUNCS.

From-SVN: r61832

optabs.c (expand_binop): Return xtarget if we haven't been able to move the result to target.

* optabs.c (expand_binop) <add, sub>: Return xtarget if we haven't
been able to move the result to target.

From-SVN: r61829

expr.c (emit_group_store): Initialize dst with CONST0_RTX for the appropriate mode.

* expr.c (emit_group_store): Initialize dst with CONST0_RTX
for the appropriate mode.

From-SVN: r61828

calls.c (emit_library_call_value_1): Handle return values in a PARALLEL.

* calls.c (emit_library_call_value_1): Handle return values
in a PARALLEL.

From-SVN: r61826

rtl.c (get_mode_alignment): Moved to...

* rtl.c (get_mode_alignment): Moved to...
* stor-layout.c: ... here.

From-SVN: r61824

print-rtl.c (print_rtx): Don't print MEM details in GENERATOR_FILEs.

* print-rtl.c (print_rtx): Don't print MEM details in
GENERATOR_FILEs.

From-SVN: r61822

hashtab.h (htab_alloc_with_arg, [...]): Add new types.

include/
* hashtab.h (htab_alloc_with_arg, htab_free_with_arg): Add new types.
(struct htab): Add alloc_arg, alloc_with_arg_f, free_with_arg_f.
(htab_create_alloc_ex): New prototype.
(htab_set_functions_ex): New prototype.

libiberty/
* hashtab.c (htab_create_alloc_ex): New function.
(hatab_set_functions_ex): New function.
(htab_delete, htab_expand): Support alternate allocation functions.

From-SVN: r61820

df.h: Update comments, tidy formatting.

* df.h: Update comments, tidy formatting.
(DF_FORWARD, DF_REVERSE, DF_UNION, DF_INTERSECTION): Rename from FORWARD,
REVERSE, UNION, INTERSECTION.  All uses updated.
(OLD_DF_INTERFACE): Remove.
(struct insn_info): Remove commented out insn field.
* df.c: Update comments, tidy formatting.
(df_def_table_realloc): Remove.

From-SVN: r61819

calls.c (save_fixed_argument_area): Tidy.

* calls.c (save_fixed_argument_area): Tidy.
(restore_fixed_argument_area): Tidy.  Set alignment of stack_area.
(expand_call): Comment typo fixes.  Don't init low_to_save.  Start
call chain loop at 1 if !try_tail_call.  Formatting.
(emit_library_call_value_1): Don't init low_to_save or high_to_save.
Use save_fixed_argument_area and restore_fixed_argument_area.

From-SVN: r61818

* df.c (df_uses_record): Handle CC0.

From-SVN: r61817

Daily bump.

From-SVN: r61814

reload.c (maybe_memory_address_p): New function.

gcc/
        * reload.c (maybe_memory_address_p): New function.
        (find_reloads_address): Use it instead of memory_address_p.

gcc/testsuite/
* gcc.dg/20030123-1.c: New test.

From-SVN: r61805

final.c (shorten_branches): Align the address of code label when computing initial lengths and addresses.

        * final.c (shorten_branches): Align the address of code label
        when computing initial lengths and addresses.

From-SVN: r61803

* config/m68hc11/m68hc11.md: Fix a comment typo.

From-SVN: r61802

i386.c (x86_output_mi_thunk): Correct test for TARGET_MACHO.

* config/i386/i386.c (x86_output_mi_thunk): Correct test for
TARGET_MACHO.

From-SVN: r61801

gcse.c (bypass_last_basic_block): New global variable.

* gcse.c (bypass_last_basic_block): New global variable.
(bypass_block):  Use redirect_edge_and_branch_force to redirect
fall-through edges.  Use bypass_last_basic_block to determine
which blocks have valid PRE information.
(bypass_conditional_jumps): Initialize bypass_last_basic_block.

From-SVN: r61800

* gcse.c (local_cprop_pass): Update reg_sets table when needed.

From-SVN: r61799

re PR rtl-optimization/8492 (GCC spins forever compiling loop)

PR opt/8492
* gcse.c (one_cprop_pass): Delete unreachable blocks.

Co-Authored-By: Eric Botcazou <ebotcazou@libertysurf.fr>
From-SVN: r61798

ia64.c (ia64_rwreloc_select_rtx_section): Rename from ia64_aix_select_rtx_section.

        * config/ia64/ia64.c (ia64_rwreloc_select_rtx_section): Rename
        from ia64_aix_select_rtx_section.
        (ia64_rwreloc_select_section): Simlarly; use default*_1 function
        instead of saving and restoring flag_pic.
        (ia64_rwreloc_unique_section): Similarly.
        * config/ia64/aix.h (TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Update.
        * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): New.

From-SVN: r61797

h8300.c (h8300_shift_needs_scratch_p): Update a comment.

* config/h8300/h8300.c (h8300_shift_needs_scratch_p): Update a
comment.

From-SVN: r61796

* config/m68k/m68k-none.h (ASM_SPEC): Adjust inter-option spacing.

From-SVN: r61795

* ggc-simple.c (debug_ggc_tree): Add PTR cast.

From-SVN: r61794

bitmap.h (BITMAP_WORD): New typedef: fundamental storage type for bitmaps.

        * bitmap.h (BITMAP_WORD): New typedef: fundamental storage
        type for bitmaps.  Use unsigned long.
        (nBITMAP_WORD_BITS): New macro.
        (BITMAP_WORD_BITS): New macro.
        (rest of file): Use it.
        * bitmap.c: Use it.

From-SVN: r61793

re PR c++/9403 (parse error on template keyword used for disambiguation)

cp:
PR c++/9403
* parser.c (cp_parser_class_or_namespace_name): Reject duplicate
template keyword.
(cp_parser_base_specifier): Look for and consume a
TEMPLATE keyword. Replace switch with array index.

PR c++/795
* semantics.c (finish_non_static_data_member): Remember the
field's type even in a template.

PR c++/9415
* pt.c (tsubst_copy_and_build, CALL_EXPR): BASELINK exprs are
already scoped.

PR c++/8545
* parser.c (cp_parser_cast_expression): Be more tentative.
testsuite:
PR c++/9403
* g++.dg/parse/template3.C: New test.
* g++.old-deja/g++.pt/memclass5.C: Add needed template keyword.

PR c++/795
* g++.dg/parse/template4.C: New test.

PR c++/9415
* g++.dg/template/qual2.C: New test.

PR c++/8545
* g++.old-deja/g++.brendan/parse3.C: Remove XFAIL.

* g++.old-deja/g++.ns/bogus1.C: Change expected error.

From-SVN: r61791

t-sco5gas: (CRTSTUFF_T_CFLAGS_S): Delete -mcoff.

        2002-02-19  Robert Lipe  <robertlipe@usa.net>
        * config/i386/t-sco5gas: (CRTSTUFF_T_CFLAGS_S): Delete -mcoff.

From-SVN: r61790

builtins.c (purge_builtin_constant_p): Scan insn stream sequentially rather than by basic block.

* builtins.c (purge_builtin_constant_p): Scan insn stream
sequentially rather than by basic block.
* function.c (purge_addressof): Simplify test with INSN_P.

From-SVN: r61789

combine.c (simplify_comparison, case AND): Remove a redundant test.

* combine.c (simplify_comparison, case AND): Remove a redundant
test.

From-SVN: r61787

function.h (struct function): New field calls_constant_p.

* function.h (struct function): New field calls_constant_p.
(current_function_calls_constant_p): New macro for above.
* function.c (prepare_function_start): Initialize calls_eh_return
and calls_constant_p.
* builtins.c (expand_builtin_constant_p): Set calls_constant_p.
* toplev.c (rest_of_compilation): Only call purge_builtin_constant_p
when the current_function_calls_constant_p.
* integrate.c (expand_inline_function): Set calls_constant_p if
the function being inlined has calls_constant_p set.

From-SVN: r61786

cse.c (fold_rtx): Instantiate CONSTANT_P_RTX to 0 when not optimizing, even if flag_gcse is true.

* cse.c (fold_rtx): Instantiate CONSTANT_P_RTX to 0 when not
optimizing, even if flag_gcse is true.
* toplev.c (rest_of_compilation): purge_builtin_constant_p
only needs to be called when "optimize > 0 && flag_gcse".

From-SVN: r61785

stmt.c (emit_case_bit_tests): New routine to implement suitable switch statements using the equivalent of "if...

* stmt.c (emit_case_bit_tests): New routine to implement suitable
switch statements using the equivalent of "if ((1<<x) & cst) ... ".
(case_bit_test_cmp): New comparison function for "qsort" to order
case_bit_tests by decreasing number of destination nodes.
(lshift_cheap_p): New function to determine if "1 << x" is cheap.
(expand_end_case_type): Use emit_case_bit_tests to implement
suitable switch statments.
(CASE_USE_BIT_TESTS): New target macro to disable the above.
* Makefile.in (stmt.o): Add dependency on optab.h.
* doc/tm.texi (CASE_USE_BIT_TESTS): Document new target macro.

* gcc.c-torture/execute/switch-1.c: New test case.

From-SVN: r61784

crtend.asm [...]: Make __do_global_ctors_aux hidden global and don't put it in .init_array.

* config/ia64/crtend.asm [HAVE_INITFINI_ARRAY]: Make
__do_global_ctors_aux hidden global and don't put it in
.init_array.
* config/ia64/crtbegin.asm [HAVE_INITFINI_ARRAY]: Put it here
instead so that it comes first.

From-SVN: r61782

cp-tree.h (flagged_type_tree_s): Remove.

* cp-tree.h (flagged_type_tree_s): Remove.
(check_for_new_type): Likewise.
* typeck2.c (check_for_new_type): Likewise.

From-SVN: r61779

df.c (read_modify_subreg_p): When osize == UNITS_PER_WORD, subreg is read/modify.

* df.c (read_modify_subreg_p):  When osize == UNITS_PER_WORD,
subreg is read/modify.

From-SVN: r61773

i386.c (ix86_expand_movstr, [...]): Consistently do libcall for large blocks.

* i386.c (ix86_expand_movstr, ix86_expand_clrstr): Consistently
do libcall for large blocks.
* i386.md (comi patterns): Set type to ssecomi.
(sse2_unpck?pd): Fix mode of vec_select.

* cse.c: Include except.h
(cse_set_around_loop):  Do not create new basic blocks.
* Makefile.in (cse.o): Add dependnecy on except.h

From-SVN: r61772

* gcc.c-torture/execute/20030125-1.[cx]: New test.

From-SVN: r61771

Tweaks for Bison-1.875.

2003-01-25  Paolo Carlini  <pcarlini@unitus.it>

Tweaks for Bison-1.875. From the NEWS file:
  "- `parse error' -> `syntax error'
Bison now uniformly uses the term `syntax error'"
* gcc.dg/cpp/19990413-1.c: Test for "(parse|syntax) error".
* gcc.dg/cpp/digraph2.c: Likewise.
* gcc.dg/cpp/direct2.c: Likewise.
* gcc.dg/cpp/paste4.c: Likewise.
* gcc.dg/c90-restrict-1.c: Likewise.
* gcc.dg/c99-func-2.c: Likewise.
* gcc.dg/noncompile/920721-2.c: Likewise.
* gcc.dg/noncompile/930622-2.c: Likewise.
* gcc.dg/noncompile/940112-1.c: Likewise.
* gcc.dg/noncompile/950921-1.c: Likewise.
* gcc.dg/noncompile/951123-1.c: Likewise.
* gcc.dg/noncompile/971104-1.c: Likewise.
* gcc.dg/noncompile/990416-1.c: Likewise.

From-SVN: r61768

builtins.c (fold_trunc_transparent_mathfn): New function.

* builtins.c (fold_trunc_transparent_mathfn): New function.
(fold_builtin): Use it.
* convert.c (convert_to_real): Re-enable code to convert
math functions; add support for floor familly functions.

From-SVN: r61764

Makefile.in (cfgloop.o, [...]): Add dependencies on coretypes.h and $(TM_H).

* Makefile.in (cfgloop.o, cfgloopanal.o, cfgloopmanip.o): Add
dependencies on coretypes.h and $(TM_H).

From-SVN: r61762

* builtins.c (fold_trunc_transparent_mathfn):  Undo accidental commit.

From-SVN: r61761

Fix a small breakage.

From-SVN: r61759

Cleaned up ChangeLog snafu

From-SVN: r61756

* config/i386/i386.c (x86_output_mi_thunk) Add Darwin/x86 support.

From-SVN: r61755

c4x.md (UNSPEC_BU): New constants.

* config/c4x/c4x.md (UNSPEC_BU): New constants.
(UNSPEC_RPTS, UNSPEC_LSH, UNSPEC_CMPHI, UNSPEC_RCPF): Likewise.
(UNSPEC_RND, UNSPEC_RPTB_FILL, UNSPEC_LOADHF_INT): Likewise.
(UNSPEC_STOREHF_INT, UNSPEC_RSQRF, UNSPEC_LOADQF_INT): Likewise.
(UNSPEC_STOREQF_INT, UNSPEC_LDIV, UNSPEC_PUSH_ST):  Likewise.
(UNSPEC_POP_ST, UNSPEC_PUSH_DP, UNSPEC_POP_DP):  Likewise.
(UNSPEC_POPQI, UNSPEC_POPQF, UNSPEC_ANDN_ST):  Likewise.
(UNSPEC_RPTB_INIT, UNSPEC_TOIEEE, UNSPEC_FRIEEE):  Likewise.

From-SVN: r61754

Daily bump.

From-SVN: r61753

MAINTAINERS: Remove incorrect entry for Paul Eggert.

* MAINTAINERS: Remove incorrect entry for Paul Eggert.  Fix
entry of HJ Lu.

From-SVN: r61746

configure.in: Remove special pex-cygwin consideration.

* configure.in: Remove special pex-cygwin consideration.
* configure: Regenerate.
* pex-cygwin.c: Remove.
* Makefile.in: Remove pex-cygwin.[co] lines.

From-SVN: r61744

undefined1.C: Add error message.

2003-01-24  Paolo Carlini  <pcarlini@unitus.it>

* g++.dg/parse/undefined1.C: Add error message.

From-SVN: r61742

emit-rtl.c (reg_attrs_htab): New static variable.

* emit-rtl.c (reg_attrs_htab): New static variable.
(reg_attrs_htab_hash, reg_attrs_htab_eq, get_reg_attrs): New static
functions.
(reg_rtx): Do not maintain regno_decl.
(gen_rtx_REG_offset, set_reg_attrs_from_mem, set_delc_rtx,
set_mem_attrs_from_reg): New global function.
(init_emit): Do not initialize regno_decl.
(init_emit_once): initialize reg_attrs_htab.
* final.c (alter_subreg): Do not replace REG by SUBREG.
(gen_mem_expr_from_op): Improve output.
(output_asm_operands): Likewise.
* function.c (assign_params): Do not set REGNO_DECL.
* function.h (struct function): Kill regno_decl.
(REGNO_DECL): Kill.
* gengtype.c (adjust_field_rtx_def): Handle new field of reg.
* print_rtl.c (print_rtx): Output REG information.
* regclass.c (reg_scan_mark_refs): Update attrs.
* reload1.c (alter_reg): Likewise.
* simplify_rtx.c (simplify_subreg): Likewise.
* stmt.c (expand_decl): Likewise.
* rtl.def (REG): Add new field.
* rtl.h (struct reg_attrs): New.
(rtunion_def): At rtreg.
(X0MEMATTR): Add checking.
(X0REGATTR, REG_ATTRS, REG_EXPR, REG_OFFSET): New macro.
(set_reg_attrs_from_mem, set_mem_attrs_from_reg, gen_rtx_REG_offset):
Declare.
* tree.h (SET_DECL_RTL): Call set_decl_rtl.

From-SVN: r61741

xtensa.c: Remove unused include of machmode.h.

        * config/xtensa/xtensa.c: Remove unused include of machmode.h.
        (xtensa_emit_call, print_operand): Fix printf format strings
        to avoid compile warnings.
        (xtensa_function_prologue, xtensa_function_epilogue): Change type
        of "size" argument to HOST_WIDE_INT to fix compile warnings.
        * config/xtensa/xtensa-protos.h
        (xtensa_function_prologue, xtensa_function_epilogue): Ditto.

From-SVN: r61739

builtins.c (DEF_BUILTIN): Accept 10 arguments.

* builtins.c (DEF_BUILTIN): Accept 10 arguments.
(implicit_built_in_decls): New global array.
(mathfn_built_in): New global function.
(fold_trunc_transparent_mathfn): New static function
(expand_builtin_strstr, expand_bultin_strchr,
expand_builtin_strpbrk, expand_builtin_strcpy,
expand_builtin_strncpy, expand_bultin_strcmp,
expand_bultin_strncat, expand_builtin_fputs): Use
implicint_built_in_decls.
(fold_builtin): Fold floor/trunc/round/ceil/nearbyint.
* builtins.def: Fix comments.
(DEF_GCC_BUILTIN, DEF_FALLBACK_BUILTIN, DEF_EXT_FALLBACK_BUILTIN,
DEF_LIB_BUILTIN, DEF_LIB_ALWAYS_BUILTIN, DEF_EXT_LIB_BUILTIN,
DEF_C99_BULTIN, DEF_FRONT_END_LIB_BUILTIN,
DEF_EXT_FRONT_END_LIB_BUILTIN): Pass implicit as needed.
(DEF_C99_C90RES_BULTIN): New.
(*f, *l builtins): Update.
* c-common.c (DEF_BUILTIN): Initialize implicit array.
(c_expand_builtin_printf, c_expand_builtin_fprintf): Update.
* convert.c (strip_float_extensions): New global function.
* tree.h (DEF_BUILTIN): Accept 10 arguments.
(implicit_built_in_decls, mathfn_built_in, strip_float_extension):
Declare.
* java/builtins.c (define_builtin): Handle implicit.
(DEF_BUILTIN): Update.
* tm.texi (TARGET_C99_FUNCTIONS): Document.
* defaults.h (TARGET_C99_FUNCTIONS): Default to 0.
* config/linux.h (TARGET_C99_FUNCTIONS): Default to 1
when using glibc2.

From-SVN: r61738

re PR java/9253 (on win32, java.io.File.listFiles("C:\\") returns pwd instead of the root content of C:)

2003-01-24  Ranjit Mathew  <rmathew@hotmail.com>

Fixes PR java/9253:
* java/io/natFileWin32.cc (performList): Append only "*.*"
if the canonical file path already has a "\" at the end.

From-SVN: r61736

config.gcc (xtensa-*-elf*): Removed assignments to with_newlib, extra_parts, and fixincludes.

        * config.gcc (xtensa-*-elf*): Removed assignments to with_newlib,
        extra_parts, and fixincludes.  Add xtensa/t-elf tmake_file.
        (xtensa-*-linux*): Add xtensa/t-linux tmake_file.
        * config/xtensa/crti.asm: New file.
        * config/xtensa/crtn.asm: New file.
        * config/xtensa/t-elf: New file.
        * config/xtensa/t-linux: New file.
        * config/xtensa/t-xtensa: Add rules for crti.o and crtn.o.
        Move various CFLAGS settings to new t-elf file.

From-SVN: r61735

re PR rtl-optimization/4382 (__builtin_{set,long}jmp with -O3 can crash the compiler)

        PR optimization/4382
        * tree-inline.c (find_builtin_longjmp_call_1): New.
        (find_builtin_longjmp_call): New.
        (inlinable_function_p): Use it.

From-SVN: r61732

i386-protos.h (function_arg_pass_by_reference): Declare.

* config/i386/i386-protos.h (function_arg_pass_by_reference): Declare.
* config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use it.
* config/i386/i386.c (function_arg_pass_by_reference): New.
(ix86_va_arg): Support arguments passed by reference.

From-SVN: r61731

cfgloopanal.c: New file.

* cfgloopanal.c: New file.
* cfgloopmanip.c: New file.
* Makefile.in (cfgloopanal.o, cfgloopmanip.o): New.
(toplev.o, loop.o, doloop.o, unroll.o, cfgloop.o, predict.o,
cfglayout.o): Add dependency on cfgloop.h.
(cfgloop.o): Add flags.h dependency.
* basic-block.h (BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK): New flags.
(VLS_EXPECT_PREHEADERS, VLS_EXPECT_SIMPLE_LATCHES): Removed.
(struct loop, struct loops, flow_loops_find, flow_loops_update,
flow_loops_free, flow_loops_dump, flow_loop_dump,
flow_loop_scan, flow_loop_tree_node_add, flow_loop_tree_node_remove,
LOOP_TREE,,LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
LOOP_ALL, flow_loop_outside_edge_p, flow_loop_nested_p,
flow_bb_inside_loop_p, get_loop_body, loop_preheader_edge,
loop_latch_edge, add_bb_to_loop, remove_bb_from_loops,
find_common_loop, verify_loop_structure): Declarations moved to ...
* cfgloop.h: New file.
* bb-reorder.c (reorder_basic_blocks): Modified.
* cfglayout.c: Include cfgloop.h.
(cleanup_unconditional_jumps, cfg_layout_redirect_edge,
cfg_layout_duplicate_bb, cfg_layout_initialize): Update loop structure.
(break_superblocks): New static function.
(cfg_layout_finalize): Use it.
(cfg_layout_split_block): New function.
* cfglayout.h (struct reorder_block_def): Add copy and duplicated
fields.
(cfg_layout_initialize, cfg_layout_redirect_edge): Declaration
changed.
(cfg_layout_split_block): Declare.
* cfgloop.c: Include cfgloop.h and flags.h.
(flow_loop_dump, flow_loops_free, flow_loop_exit_edges_find,
get_loop_body): Avoid signed versus unsigned comparison warnings.
(make_forwarder_block, flow_loops_find, loop_preheader_edge,
loop_latch_edge): Modified.
(verify_loop_structure): Modified to use flags stored in loop structure;
check irreducible loops.
(cancel_loop, cancel_loop_tree): New functions.
(estimate_probability): Use loop analysis code for predictions.
(estimate_loops_at_level):  Avoid signed versus unsigned comparison
warnings.
* doloop.c: Include cfgloop.h.
* loop.c: Include cfgloop.h.
* predict.c: Include cfgloop.h.
* toplev.c: Include cfgloop.h.
* unroll.c: Include cfgloop.h.
* tracer.c (tracer): Modified.

From-SVN: r61730

Makefile.in (CFILES): Add pex-*.c.

* Makefile.in (CFILES): Add pex-*.c.
(REQUIRED_OFILES): Change pexecute.o to @pexecute@
(CONFIGURED_OFILES): Add pex-*.o.
(TEXIFILES): Add pexecute.txh.
(pexecute.o): Delete rule.
(pex-cygwin.o, pex-djgpp.o, pex-mpw.o, pex-msdos.o, pex-os2.o,
pex-unix.o, pex-win32.o): New rules.
* configure.in: Change AC_INIT argument to xmalloc.c.
Compute appropriate pexecute implementation and substitute it
as @pexecute@.

* pexecute.c: Split up into...
* pex-cygwin.c, pex-djgpp.c, pex-mpw.c, pex-msdos.c, pex-os2.c,
pex-unix.c, pex-win32.c, pex-common.h, pexecute.txh: ... these
new files.

* functions.texi: Regenerate.
* configure: Regenerate.

From-SVN: r61728

defineclass.cc (handleMethodsEnd): Precompute code for static method.

* defineclass.cc (handleMethodsEnd): Precompute code for static
method.
(handleCodeAttribute): Likewise.
* resolve.cc (ncode): Use run_class for unsynchronized static
methods.
* include/java-interp.h (class _Jv_InterpMethod): Declare
run_class.
* interpret.cc (run_synch_class): Initialize class.
(run) [insn_invokestatic]: Don't initialize class.
[insn_anewarray]: Likewise.
[insn_multianewarray]: Likewise.
(run_class): New function.

From-SVN: r61727

ClassLoader.java (findLoadedClass): Removed erroneous comment.

* java/lang/ClassLoader.java (findLoadedClass): Removed erroneous
comment.

From-SVN: r61725

class.c (build_static_field_ref): Only a String or numeric field can fold to a constant.

* class.c (build_static_field_ref): Only a String or numeric field
can fold to a constant.

From-SVN: r61723

calls.c (Java_calls_docall): Define with JNIEXPORT and JNICALL method attributes.

2003-01-24  Ranjit Mathew  <rmathew@hotmail.com>

* libjava.jni/calls.c (Java_calls_docall): Define with
JNIEXPORT and JNICALL method attributes.
* libjava.jni/field.c (Java_field_fetch): Likewise.
* libjava.jni/final_method.c (Java_final_1method_meth): Likewise.
* libjava.jni/findclass.c (Java_findclass_doit): Likewise.
* libjava.jni/invoke.c (Java_invoke_val): Likewise.
* libjava.jni/martin.c (Java_martin_myNative): Likewise.
* libjava.jni/noclass.c (Java_noclass_find_1it): Likewise.
* libjava.jni/overload.c (Java_overload_over__I): Likewise.
(Java_overload_over__II): Likewise.
* libjava.jni/register.c (JNI_OnLoad): Likewise.
* libjava.jni/simple_int.c (Java_simple_1int_nat): Likewise.
* libjava.jni/throwit.c (Java_throwit_throwit): Likewise.
* libjava.jni/virtual.c (Java_virtual_equals): Likewise.

From-SVN: r61720

* config/h8300/h8300.c (get_shift_alg): Fix a typo.

From-SVN: r61718

missing changelog entry

From-SVN: r61717

configure.in (HAVE_AS_TLS): Add s390-*-* and s390x-*-* cases.

* configure.in (HAVE_AS_TLS): Add s390-*-* and s390x-*-* cases.
* configure: Regenerate.

* config/s390/s390-protos.h (tls_symbolic_operand): Add prototype.
(tls_symbolic_reference_mentioned_p): Add prototype.
(s390_tls_get_offset): Add prototype.
(emit_pic_move): Remove prototype, replace by ...
(emit_symbolic_move): .. this new prototype.

* config/s390/s390.c (TARGET_HAVE_TLS): Conditionally define.
(tls_model_chars): New global variable.
(s390_encode_section_info): Encode TLS model.
Use targetm.binds_local_p to check for local symbols.
(s390_strip_name_encoding): New function.
(TARGET_STRIP_NAME_ENCODING): Define.

(get_thread_pointer): New function.
(legitimize_tls_address): New function.
(legitimize_address): Call it.
(emit_pic_move): Remove, replace by ...
(emit_symbolic_move): ... this new function.

(larl_operand): Handle TLS operands.
(legitimate_constant_p): Likewise.
(s390_decompose_address): Likewise.
(s390_cannot_force_const_mem): New function.
(TARGET_CANNOT_FORCE_CONST_MEM): Define.

(s390_output_symbolic_const): Handle TLS unspecs.
(print_operand): New code 'J'.
(machine_function): Add struct member 'some_ld_name'.
(get_some_local_dynamic_name, get_some_local_dynamic_name_1): New.

(enum s390_builtin): New type.
(code_for_builtin_64, code_for_builtin_31): New global variables.
(s390_init_builtins, s390_expand_builtin): New functions.
(TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.

* config/s390/s390.h (TLS_SYMBOLIC_CONST): New macro.
(ASM_OUTPUT_LABELREF): Define.
(ASM_OUTPUT_SPECIAL_POOL_ENTRY): Handle TLS constants.

* config/s390/s390.md: Define TLS UNSPEC constants.
("movdi", "movsi"): Handle TLS operands.
("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): New insns.
("*tls_load_64", "*tls_load_31"): New insns.
("call_value_tls", "call_value_tls_exp"): New expanders.
("brasl_tls", "bras_tls", "basr_tls_64", "basr_tls_31",
"bas_tls_64", "bas_tls_31"): New insns.

From-SVN: r61714

* config/linker-map.gnu: Fix for size_t variance.

From-SVN: r61713

rs6000.c (rs6000_parse_abi_options): Make sure spe ABI is configured, if requested.

* config/rs6000/rs6000.c (rs6000_parse_abi_options): Make sure
spe ABI is configured, if requested.

From-SVN: r61712

* doc/passes.texi: Fix typo.

From-SVN: r61708

* stor-layout.c (excess_unit_span): Only define if used.

From-SVN: r61707

valarray_meta.h: Remove, split into ...

* include/bits/valarray_meta.h: Remove, split into ...
* include/bits/valarray_before.h: ... this, and ...
* include/bits/valarray_after.h: ... this.
* include/std/std_valarray.h: Adjust.
* include/Makefile.am (bits_headers): Adjust.
* include/Makefile.in: Regenerate.

From-SVN: r61706

ada-tree.h (SET_TYPE_DIGITS_VALUE): Add intermediate cast to size_t to avoid warning.

* ada-tree.h (SET_TYPE_DIGITS_VALUE): Add intermediate cast to
size_t to avoid warning.

From-SVN: r61705

invoke.texi (Optimization Options): List -O levels for each optimization flag.

* gcc/doc/invoke.texi (Optimization Options): List -O levels
for each optimization flag.

From-SVN: r61704

* config/h8300/h8300.md (*andsi3_ashift_n_lower): New.

From-SVN: r61702

bugreport.texi: Use @command instead of @code for commands.

* doc/bugreport.texi: Use @command instead of @code for commands.
* doc/collect2.texi: Likewise.
* doc/headerdirs.texi: Likewise.
* doc/invoke.texi: Likewise.
* doc/standards.texi: Likewise.
* doc/tm.texi: Likewise.
* doc/trouble.texi: Likewise.

From-SVN: r61701

arm.c (use_return_insn): Do not use a single return instruction for interrupt handelrs which have to...

* config/arm/arm.c (use_return_insn): Do not use a single return instruction
for interrupt handelrs which have to create a stack frame.
(arm_expand_prologue): Do not pre-bias the return address of interrupt handlers
which create a stack frame.

From-SVN: r61698

Add sh2e support:

    2002-08-12  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.c (output_branch) [TARGET_SH2E]: Handle
        med_cbranches.  Fix logic in short_cbranches.

    2002-04-03  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (delay for cbranch): Don't annul delay
        slots on SH2e.
        * config/sh/sh.c (sh_insn_length_adjustment): Add 2 for
        cbranch with unfilled delay slot on SH2e.
        (output_branch): Fill with a nop the delay slot of a
        branch that required a delay slot but didn't get one.

    2002-04-02  Alexandre Oliva  <aoliva@redhat.com>

        * doc/invoke.texi (SH options): Document -m2e.
        * config/sh/crt1.asm: Add __SH2E__ Next to __SH3E__.
        * config/sh/lib1funcs.asm: Likewise.
        * config/sh/sh.c: Replace all uses of TARGET_SH3E with SH2E.
        * config/sh/sh.h (CPP_SPEC): Define __SH2E__ for -m2e, and
        not __sh1__.
        (CONDITIONAL_REGISTER_USAGE): Don't disable FP regs from
        SH2E up.
        (SH3E_BIT): Renamed to...
        (SH_E_BIT): ... this.  Replace all uses.
        (TARGET_SH2E): Define from SH_E_BIT and TARGET_SH2.
        Replace all uses of TARGET_SH3E with TARGET_SH2E.
        (TARGET_SWITCHES): Added 2e.
        (OVERRIDE_OPTIONS): Set sh_cpu for SH2E.
        (processor_type): Added PROCESSOR_SH2E.
        * config/sh/sh.md: Replace all uses of TARGET_SH3E with
        TARGET_SH2E, except in sqrtsf2_i.
        (attribute cpu): Added sh2e.
        * config/sh/t-sh (MULTILIB_OPTIONS): Replace m3e with m2e.
        (MULTILIB_MATCHES): Use m2e multilib for m3e.
        * config.gcc: Add sh2e target support.

From-SVN: r61697

Rename -W to -Wextra.

2003-01-24  Phil Edwards  <pme@gcc.gnu.org>

Rename -W to -Wextra.
* c-decl.c:  Update comments.
* c-typeck.c:  Likewise.
* flags.h:  Likewise.
* function.c:  Likewise.
* stmt.c:  Likewise.
* toplev.c:  Update comments.
(W_options):  Add 'extra'.
(display_help):  Remove '-W'.
(decode_W_option):  Special warn_uninitialized treatment in the case
of -Wextra.
* doc/invoke.texi:  Update with new entries.

From-SVN: r61696

ifcvt.c (noce_process_if_block): Re-add check vs X being changed in no-else-block case.

        * ifcvt.c (noce_process_if_block): Re-add check vs X being changed
        in no-else-block case.  Add commentary.

From-SVN: r61695

jcf-parse.c (parse_zip_file_entries): Overwrite trailing \0 of file name in resource buffer.

* jcf-parse.c (parse_zip_file_entries): Overwrite trailing \0 of
file name in resource buffer.

From-SVN: r61694

* configure.in: Revert last change.

From-SVN: r61693

ChangeLog (configure.in): Don't include ansidecl.h in tconfig.h.

* ChangeLog (configure.in): Don't include ansidecl.h in tconfig.h.
* gcov-io.h (PARAMS, ATTRIBUTE_UNUSED: Define if IN_LIBGCC2.
* unwind-dw2-fde.h (last_fde): Use __attribute__, not
ATTRIBUTE_UNUSED.

* configure: Regenerate.

From-SVN: r61692

* dump.c: ANSIfy function declarations and definitions.

From-SVN: r61691

No, really this time.

From-SVN: r61689

Daily bump.

From-SVN: r61688

re PR libstdc++/9322 (return value of basic_streambuf<>::getloc affected by locale::global)

2003-01-23  Petur Runolfsson  <peturr02@ru.is>

PR libstdc++/9322
* include/std/std_streambuf.h
(basic_streambuf::basic_streambuf,
basic_streambuf::~basic_streambuf,
basic_streambuf::getloc, basic_streambuf::imbue):
Remove _M_buf_locale_init use.
* include/bits/fstream.tcc (basic_filebuf::imbue):  Likewise
* testsuite/27_io/filebuf_virtuals.cc (test08):  Add.
* testsuite/27_io/streambuf_members.cc (test08):  Add.
* testsuite/27_io/stringbuf_virtuals.cc (test08):  Add.

From-SVN: r61678

configure.in: Revert previous change.

2003-01-23  Nathanael Nerode  <neroden@gcc.gnu.org>

* configure.in: Revert previous change.
* configure: Regenerate.

From-SVN: r61676

re PR java/6748 (Array_3 testcase failing on powerpc-linux-gnu)

2003-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

PR java/6748
* config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Don't destroy
regs->nip. Fix rt_sigreturn frame layout. Add support for newer
kernels.

From-SVN: r61675

expr.c (build_known_method_ref): Use method's context to find method table index.

* expr.c (build_known_method_ref): Use method's context to find
method table index.

From-SVN: r61670

* cp-tree.h, decl.h: Get rid of PARAMS.  Again.

From-SVN: r61669

configure.in: Make rda native-only.

2003-01-23  Nathanael Nerode  <neroden@gcc.gnu.org>

* configure.in: Make rda native-only.
* configure: Regenerate.

From-SVN: r61668

* cpplex.c (cpp_interpret_charconst): Squelch warning with cast.

From-SVN: r61667

genattrtab.c (write_attr_get): Mark 'insn' paramter as ATTRIBUTE_UNUSED.

* genattrtab.c (write_attr_get): Mark 'insn' paramter
as ATTRIBUTE_UNUSED.

From-SVN: r61666

Revert include ordering.

2003-01-23  Benjamin Kosnik  <bkoz@redhat.com>

Revert include ordering.
* config/locale/generic/c_locale.h: Add include guards.
* config/locale/gnu/c_locale.h: Same.
* include/bits/locale_classes.h: Remove cctype include.
* include/std/std_iosfwd.h: Add c++locale.h, cctype includes.
* include/std/std_fstream.h: Remove streambuf include.
* include/std/std_sstream.h: Remove streambuf include.

From-SVN: r61664

duplicate not dumplicate.

From-SVN: r61663

arm.c (thumb_base_register_rtx_p): New function.

* arm.c (thumb_base_register_rtx_p): New function.
(thumb_index_register_rtx_p): New function.
(thumb_legitimate_address_p): New function.
(thumb_legitimate_offset_p): New function.
* arm.h (REG_STRICT_P): Define according to setting of REG_OK_STRICT.
(ARM_GO_IF_LEGITIMATE_ADDRESS): Use REG_STRICT_P to avoid dumplicate
definitions.
(THUMB_GO_IF_LEGITIMATE_ADDRESS): Use thumb_legitimate_address_p.
(THUMB_LEGITIMATE_OFFSET): Delte.
(THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use thumb_legitimate_offset.
* arm-protos.h (thumb_legitimate_address_p): Add prototype.
(thumb_legitimate_offset_p): Likewise.

From-SVN: r61662

* constants.c (set_constant_entry): Allocated cleared memory.

From-SVN: r61661