* c-pragma.c (maybe_apply_renaming_pragma): New.
        (handle_pragma_redefine_extname, pending_redefine_extname): New.
        (handle_pragma_extern_prefix, pragma_extern_prefix): New.
        (init_pragma): Register them.
        * c-pragma.h (maybe_apply_renaming_pragma): Declare.
        * c-decl.c (finish_decl): Call it.
        * cp/decl.c (cp_finish_decl): Likewise.
        * doc/extend.texi: Document the new pragmas.

        * config/alpha/osf.h (CPP_SUBTARGET_SPEC): Add __EXTERN_PREFIX.
        (HANDLE_PRAGMA_EXTERN_PREFIX): New.

        * config/i386/sol2.h (CPP_PREDEFINES): Add __PRAGMA_REDEFINE_EXTNAME.
        (HANDLE_PRAGMA_REDEFINE_EXTNAME): New.
        * config/sparc/sol2.h: Likewise.

        * g++.dg/other/pragma-re-1.C: New.
        * g++.dg/other/pragma-ep-1.C: New.
        * gcc.dg/pragma-re-1.c, gcc.dg/pragma-re-2.c: New.
        * gcc.dg/pragma-ep-1.c, gcc.dg/pragma-ep-2.c: New.
        * gcc.dg/pragma-ep-3.c: New.

From-SVN: r51200

	* g++.old-deja/g++.other/dwarf2-1.C: Move...
	* g++.dg/debug/debug5.C: ...here.  Convert for dg framework.

From-SVN: r51197

        * cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
        * cpplex.c (unterminated): Delete.
        (parse_string): No string literal may extend over multiple
        lines.  Suppress the error when preprocessing assembly.
	* cppmain.c (scan_translation_unit): Strings are single-line.

        * doc/cpp.texi: Update to match.
        * testsuite/gcc.dg/cpp/multiline.c: Update to match.

From-SVN: r51195

	PR optimization/5854
	* config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_VALUE_P): Use K for 0.
	Shut up warnings.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Use G for 0.0.
	(EXTRA_CONSTRAINT): Use S for non-push memory operand.
	* config/m68hc11/m68hc11.c (m68hc11_split_move): Handle setting from
	const0 if scratch register was not allocated.
	(m68hc11_reload_operands, m68hc11_gen_lowpart, m68hc11_gen_highpart,
	m68hc11_z_replacement): Replace gen_rtx (CONST_INT, VOIDmode, ...)
	with GEN_INT (...).
	(m68hc11_reorg): Compute BLOCK_FOR_INSN before reload_cse_regs.
	* config/m68hc11/m68hc11.md: Replace gen_rtx (CONST_INT, VOIDmode, ...)
	with GEN_INT (...) everywhere.  Remove constraints in define_split
	patterns.
	(movdi_internal, movdf_internal, movsi_internal, movsf_internal): Don't
	require scratch register for setting 0 into regs/non-pushable memory.

From-SVN: r51194

From-SVN: r51193

typeck.c (expand_ptrmemfunc_cst): Scale idx down to an index into the vtable_entry array regardless of...

* typeck.c (expand_ptrmemfunc_cst): Scale idx down to an index
into the vtable_entry array regardless of
TARGET_PTRMEMFUNC_VBIT_LOCATION.

From-SVN: r51192

* config/mips/mips.h (MASK_RETURN_ADDR): Define.
(TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.

From-SVN: r51191

2002-03-22  Phil Edwards  <pme@gcc.gnu.org>

	* cpplib.h (struct cpp_options):  New member, warn_endif_labels.
	* cppinit.c (cpp_create_reader):  On by default.
	(cpp_handle_option):  Handle -W[no-]endif-labels.
	(cpp_post_options):  Also enable if -pedantic.
	* cpplib.c (do_else):  Use it.
	(do_endif):  Likewise.
	* doc/cppopts.texi:  Document new option.
	* doc/invoke.texi:  Document new option.

From-SVN: r51190

2002-03-22  Phil Edwards  <pme@gcc.gnu.org>

	* gcc.dg/cpp/extratokens2.c:  New file.

From-SVN: r51188

        * config/i386/i386.c, config/i386/i386.md: Change all occurences
        of GEN_INT (trunc_int_for_mode (...)) to gen_int_mode (...).

From-SVN: r51186

2002-03-22  Benjamin Kosnik  <bkoz@redhat.com>

	* src/vterminate.cc: Format, -fno-exceptions cleanup.

From-SVN: r51185

* flow.c (calculate_global_regs_live): Clear aux fields of
ENTRY and EXIT.

From-SVN: r51183

	* config/v850/v850.c (v850_reorg): Only call alter_subreg on
	REG or MEM subregs, pass rtx * instead of rtx to it.
	* config/i860/i860.c (output_delayed_branch, output_delay_insn): Pass
	rtx * instead of rtx to alter_subreg.
	* config/m32r/m32r.c (gen_split_move_double): Likewise.
	* config/pj/pj.c (pj_output_rval): Likewise.

From-SVN: r51182

        PR target/3177
        * config/ia64/ia64.h (CUMULATIVE_ARGS): Add int_regs.
        (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Update.
        * config/ia64/ia64.c (ia64_function_arg_advance): Set int_regs.
        (ia64_expand_prologue): Look at int_regs, not words, for number
        of incomming int regs.

From-SVN: r51180

From-SVN: r51178

2002-03-22  Andrew MacLeod  <amacleod@redhat.com>

	* expr.c (expand_expr): A RESULT_DECL is part of a call.

From-SVN: r51177

From-SVN: r51176

	* toplev.c (flag_loop_optimize, flag_crossjumping):
	New static variables.
	(rest_of_compilation): Conditionalize crossjumping and
	loop optimizer.
	(parse_options_and_default_flags): Default loop_optimize and
	crossjumping.
	(lang_independent_options): Add -fcrossjumping and -floop-optimize
	* invoke.texi (crossjumping, loop-optimize): Document.

From-SVN: r51175

From-SVN: r51172

From-SVN: r51170

2002-03-21  Andrew Haley  <aph@redhat.com>

	* libjava.lang/Thread_Interrupt.java (Looper.calibrate): New.
	(yields): New.

From-SVN: r51169

cfgcleanup.c (outgoing_edges_math): Fix condition; relax frequencies match; avoid match on different loop depths.

	* cfgcleanup.c (outgoing_edges_math): Fix condition; relax
	frequencies match; avoid match on different loop depths.
	(try_crossjump_to_bb): Kill tests that no longer brings time
	savings.
	* cfgrtl.c (force_nonfallthru_and_redirect): Fix loop_depth
	updating code.
	(split_edge): Likewise.

	* flow.c (update_life_info_in_dirty_blocks): Fix uninitialized
	variable.

	* Makefile.in (cfgrtl): Add insn-config.h depenendency.
	* cfgrtl.c: Include insn-config.h
	(split_block) Dirtify block in presence of conditional execution

From-SVN: r51168

	* config/mips/abi64.h (SETUP_INCOMING_VARARGS): Undefine.
	* config/mips/mips-protos.h (mips_setup_incoming_varargs): Declare.
	(function_arg): Constify CUMULATIVE_ARGS.
	(function_arg_partial_nregs, function_arg_pass_by_reference): Likewise.
	* config/mips/mips.h (UNITS_PER_FPVALUE): Zero when TARGET_SOFT_FLOAT.
	(UNITS_PER_DOUBLE): New macro.
	(SETUP_INCOMING_VARARGS): Define.  Use mips_setup_incoming_varargs.
	(CUMULATIVE_ARGS): Reformat.  Remove num_adjusts workaround and
	last_arg_fp field.  Replace arg_words and fp_arg_words with gp_regs,
	fp_regs and stack_words.
	(EABI_FLOAT_VARARGS_P): New macro.
	* config/mips/mips.c (struct mips_arg_info): New.
	(mips_arg_info): New function.
	(function_arg_advance): Use it.  Add adjustment instructions here
	rather than in function_arg.
	(function_arg): Constify CUMULATIVE_ARGS.  Use mips_arg_info.  Check
	for VOIDmode at the beginning of the function.
	(function_partial_nregs): Constify CUMULATIVE_ARGS.  Use mips_arg_info.
	(function_arg_pass_by_reference): Likewise.
	(mips_setup_incoming_varags): New, largely based on old abi64.h code.
	(mips_build_va_list): Test EABI_FLOAT_VARARGS_P.
	(mips_va_start): Likewise.  Use the new stack_words field of
	CUMULATIVE_ARGS to set up overflow area.  Reformat.
	(mips_va_arg): Test EABI_FLOAT_VARARGS_P.  Unify EABI handling of
	doubles and other types, aligning the overflow pointer for non-doubles
	too.  Remove some code duplication.  Replace hard-coded constants.

From-SVN: r51167

	* config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
	(CLASS_UNITS): Undefine.
	(CLASS_MAX_NREGS): Use FP_INC.
	* config/mips/mips.c (compute_frame_size): Likewise.
	(override_options): Use FP_INC and UNITS_PER_FPVALUE.

From-SVN: r51166

From-SVN: r51165

cpplex.c (parse_identifier_slow): Rename parse_slow, adjust prototype, and handle lexing numbers and identifiers.

	* cpplex.c (parse_identifier_slow): Rename parse_slow, adjust
	prototype, and handle lexing numbers and identifiers.
	(parse_identifier): Update to new form of parse_slow.
	(parse_number): Fast path only, use parse_slow otherwise.
	(_cpp_lex_direct): Update calls to parse_number.

From-SVN: r51161

* bb-reorder.c (make_reorder_chain_1): Protect against
when redundant edges are omitted.
* predict.c (dump_prediction): Likewise.

From-SVN: r51160

	* include/private/gcconfig.h: Add unified test for FreeBSD.
	Support FreeBSD/alpha.
	* os_dep.c: Do not include <machine/trap.h> unless available.
	(GC_freebsd_stack_base): Fix types.

From-SVN: r51159

        PR target/5996
        * fixinc/inclhack.def (solaris_stdio_tag): New.
        * fixinc/fixincl.x: Regenerate.

From-SVN: r51158

        PR c/5597
        * c-typeck.c (process_init_element): Flag non-static
        initialization of a flexible array member as illegal.

From-SVN: r51156

	* mklibgcc.in (SHLIB_MKMAP_OPTS): New variable.
	* mkmap-symver.awk (dotsyms): If set, output .foo as well as foo.
	* Makefile.in (SHLIB_MKMAP_OPTS): Pass to mklibgcc.

From-SVN: r51153

	* config/rs6000/t-linux64: New.
	* config.gcc (powerpc64-*-linux* <tmake_file>): Drop t-ppcos and
	t-ppccomm.  Use t-rs6000 and t-linux64.
	(powerpc64-*-gnu* <tmake_file>): Likewise.

From-SVN: r51150

2002-03-21  Aldy Hernandez  <aldyh@redhat.com>

        * tree.c (cp_cannot_inline_tree_fn): Same.

From-SVN: r51149

From-SVN: r51147

langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check flag_really_no_inline instead of optimize == 0.

2002-03-21  Aldy Hernandez  <aldyh@redhat.com>

        * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check
        flag_really_no_inline instead of optimize == 0.

        * c-objc-common.c (c_cannot_inline_tree_fn): Same.

        * cp/tree.c (cp_cannot_inline_tree_fn): Same.

        * flags.h (flag_really_no_inline): New.

        * c-common.c (c_common_post_options): Initialzie
        flag_really_no_inline.

        * toplev.c (flag_really_no_inline): New.

From-SVN: r51146

	* config/avr/avr.md (length): Fix length computation for
	conditional branches.

From-SVN: r51144

	* configure.in: Enable alpha*-*-freebsd*.
	* configure: Rebuilt.

From-SVN: r51143

From-SVN: r51141

	* parse.y (build_access_to_thisn): Stop when FROM is not an inner
	class.

From-SVN: r51138

	* Makefile.in (fold-const.o, stor-layout.o, stmt.o,
	sdbout.o, profile.o): Update.
	* c-common.c (c_common_nodes_and_builtins): Use pushdecl
	langhook.
	* c-common.h (gettags): Move here from tree.h.
	* c-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, kept_level_p, global_bindings_p): New.
	* dbxout.c (dbxout_init): Use getdecls langhook.
	* expr.c (expand_expr): Use insert_block langhook.
	* fold-const.c: Include langhooks.h.
	(fold_range_test, fold_binary_op_with_conditional_arg,
	fold): Use global_bindings_p langhook.
	* integrate.c (expand_inline_function): Use insert_block langhook.
	* langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
	LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
	LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
	LANG_HOOKS_GETDECLS): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
	langhook.
	* langhooks.h (struct lang_hooks_for_decls): New.
	(struct lang_hooks): Update.
	* profile.c: Include langhooks.h.
	(output_func_start_profiler): Use new langhooks.
	* sdbout.c: Include langhooks.h.
	(sdbout_init, sdbout_finish): Use getdecls langhook.
	* stmt.c: Include langhooks.h.
	(expand_fixup, fixup_gotos): Use new langhooks.
	* stor-layout.c: Include langhooks.h.
	(variable_size): Use global_bindings_p langhook.
	* toplev.c (compile_file): Use getdecls langhook.
	* tree-inline.c (remap_block): Use insert_block langhook.
	* tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
	insert_block, getdecls, kept_level_p, global_bindings_p): Remove.
cp:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, global_bindings_p): New.
java:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, kept_level_p, global_bindings_p): New.
f:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, global_bindings_p): New.

From-SVN: r51136