* 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

	* 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.
	(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.

From-SVN: r61773

	* 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

From-SVN: r61771

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

From-SVN: r61762

From-SVN: r61761

From-SVN: r61759

From-SVN: r61756

From-SVN: r61755

	* 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

From-SVN: r61753

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

From-SVN: r61746

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

From-SVN: r61744

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.
	(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

        * 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.
	(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.  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

        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

	* 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.
	* 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.
	(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.
	(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

	* 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.

From-SVN: r61723

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

From-SVN: r61718

From-SVN: r61717

	* 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

From-SVN: r61713

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

From-SVN: r61712

From-SVN: r61708

From-SVN: r61707

	* 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