* real.c (real_sqrt): Return a bool result indicating whether
	a floating point exception or trap should be raised.
	* real.h (real_sqrt): Update function prototype.
	* builtins.c (fold_builtin): Only fold non-trapping square
	roots unless we're ignoring errno and trapping math.

From-SVN: r61337

From-SVN: r60174

        * real.c (sticky_rshift_significand): Return inexact, don't
        or it in immediately.
        (sub_significands): Accept incomming carry.
        (div_significands, rtd_divmod): Update for sub_significands change.
        (round_for_format): Update for sticky_rshift_significand change.
        (do_add): Don't involve the inexact bit in addition, do give the
        inexact bit as the subtraction carry-in.
        (encode_internal, decode_internal, real_internal_format): New.
        * real.h (real_internal_format): Declare.

From-SVN: r58396

gcc/
        * real.c (real_to_decimal): Accept BUF_SIZE and CROP_TRAILING_ZEROS
        as arguments.  Bound DIGITS by the available buffer size.
        (real_to_hexadecimal): Likewise.
        * real.h (real_to_decimal, real_to_hexadecimal): Update prototypes.
        (REAL_VALUE_TO_DECIMAL): Remove.
        * c-common.c, c-pretty-print.c, print-rtl.c, print-tree.c,
        sched-vis.c, config/arc/arc.c, config/c4x/c4x.c, config/fr30/fr30.c,
        config/i370/i370.h, config/i386/i386.c, config/i960/i960.c,
        config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
        config/m68k/hp320.h, config/m68k/m68k.h, config/m68k/sun2o4.h,
        config/m68k/sun3.h, config/mips/mips.c, config/ns32k/ns32k.c,
        config/pdp11/pdp11.h, config/vax/vax.h: Update all callers to
        use real_to_decimal directly, and with the proper arguments.
        * doc/tm.texi (REAL_VALUE_TO_DECIMAL): Remove.

gcc/cp/
        * error.c (dump_expr): Use real_to_decimal directly, and with
        the new arguments.

gcc/f/
        * target.h (ffetarget_print_real1, ffetarget_print_real2): Use
        real_to_decimal directly, and with the new arguments.

From-SVN: r58187

	* cfganal.c (dfs_enumerate_from): Use PARAMS.
	* genautomata.c (output_insn_code_cases): Likewise.
	* real.c (real_format): Likewise.
	* tree.c (tree_size): Revise expressions using TREE_CODE_LENGTH to
	ensure value is promoted before doing subtraction.

From-SVN: r58064

        * real.h (SIGNIFICAND_BITS): Add one more word.
        (CONST_DOUBLE_FORMAT): Accomodate 6 words.
        * real.c (times_pten): New.
        (real_to_decimal, real_from_string): Use it.
        (sticky_rshift_significand): Use & to find modulus.
        (rshift_significand, lshift_significand): Likewise.
        (do_divide): Apply sticky bit after normalization.
        (real_to_decimal, real_to_hexadecimal): Fix sign of Inf and NaN.

From-SVN: r57811

From-SVN: r57796

        * real.h (ibm_extended_format): Declare.
        * real.c (encode_ibm_extended, decode_ibm_extended): New
        functions.

From-SVN: r57633

From-SVN: r57469

	* real.c (struct real_format): Move to real.h.
	(real_format_for_mode): Rename from fmt_for_mode; update all users;
	initialize with ieee defaults.
	(real_to_target_fmt, real_from_target_fmt): New.
	(ieee_single_format, ieee_double_format, ieee_extended_motorola_format,
	ieee_extended_intel_96_format, ieee_extended_intel_128_format,
	ieee_quad_format, i370_single_format, i370_double_format,
	c4x_single_format, c4x_extended_format): Rename from s/_format//.
	(ieee_quad_format): Fix emin.
	(format_for_size, init_real_once): Remove.
	* real.h (struct real_format): Move from real.c.
	(real_format_for_mode): Declare.
	(real_to_target_fmt, real_from_target_fmt): Declare.
	(ieee_single_format, ieee_double_format, ieee_extended_motorola_format,
	ieee_extended_intel_96_format, ieee_extended_intel_128_format,
	ieee_quad_format, vax_f_format, vax_d_format, vax_g_format,
	i370_single_format, i370_double_format, c4x_single_format,
	c4x_extended_format): Declare.
	* toplev.c (do_compile): Don't call init_real_once.

	* defaults.h (INTEL_EXTENDED_IEEE_FORMAT): Remove.
	* doc/tm.texi (INTEL_EXTENDED_IEEE_FORMAT): Remove.

	* config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Define.
	* config/alpha/osf5.h (LONG_DOUBLE_TYPE_SIZE): 64, if vax mode.
	* config/alpha/alpha.c (override_options): Set real_format_for_mode
	for VAX, if enabled.

	* config/c4x/c4x.c (c4x_override_options): Set real_format_for_mode
	for C4X.

	* config/i370/i370.h (OVERRIDE_OPTIONS): New.
	* config/i370/i370.c (override_options): New.
	* config/i370/i370-protos.h: Update.

	* config/i386/i386.c (override_options): Set real_format_for_mode
	for Intel 80-bit extended.
	* config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Remove.

	* config/i960/i960.h (LONG_DOUBLE_TYPE_SIZE): Mind -mlong-double-64.
	(OVERRIDE_OPTIONS): Move code...
	* config/i960/i960.c (i960_initialize): ... here.  Set
	real_format_for_mode for Intel 80-bit extended.

	* config/ia64/ia64.c (ia64_override_options): Set real_format_for_mode
	for Intel 80-bit extended, if enabled.

	* config/m68k/m68k.c (override_options): Set real_format_for_mode
        for Motorola 96-bit extended.

	* config/vax/vax.h (OVERRIDE_OPTIONS): New.
	* config/vax/vax.c (override_options): New.
	* config/vax/vax-protos.h: Update.

From-SVN: r57388

        * real.c (real_hash): New.
        * real.h: Declare it.
        * cse.c (canon_hash): Use it.
        * cselib.c (hash_rtx): Likewise.
        * emit-rtl.c (const_double_htab_hash): Likewise.
        * rtl.h (CONST_DOUBLE_REAL_VALUE): New.
        * varasm.c (struct rtx_const): Reduce vector size; separate
        integer and fp vectors.
        (HASHBITS): Remove.
        (const_hash_1): Rename from const_hash.  Use real_hash.  Do not
        take modulus MAX_HASH_TABLE.
        (const_hash): New.  Do take modulus MAX_HASH_TABLE.
        (output_constant_def): Do not take modulus MAX_HASH_TABLE.
        (SYMHASH): Don't use HASHBITS.
        (decode_rtx_const): Copy only active bits from REAL_VALUE_TYPE.
        Fix CONST_VECTOR thinko wrt fp vectors.  Fix kind comparison.
        (simplify_subtraction): Fix kind comparison.
        (const_hash_rtx): Return unsigned int.  Don't use HASHBITS.
        Use a union to pun integer array.
        * config/rs6000/rs6000.c (rs6000_hash_constant): Use real_hash;
        only hash two words of integral CONST_DOUBLE.

From-SVN: r57356

        * real.h (enum real_value_class, SIGNIFICAND_BITS, EXP_BITS,
        MAX_EXP, SIGSZ, SIG_MSB, struct real_value): Move from real.c.
        (struct realvaluetype): Remove.
        (REAL_VALUE_TYPE): Use struct real_value.
        (REAL_VALUE_TYPE_SIZE): Use SIGNIFICAND_BITS.
        (test_real_width): New.
        * real.c: Global replace struct real_value with REAL_VALUE_TYPE.
        (real_arithmetic): Avoid hoops for REAL_VALUE_TYPE parameters.
        (real_compare, real_exponent, real_ldexp, real_isinf, real_isnan,
        real_isneg, real_isnegzero, real_identical, exact_real_inverse,
        real_to_integer, real_to_integer2, real_to_decimal,
        real_to_hexadecimal, real_from_string, real_from_integer,
        real_inf, real_nan, real_2expN, real_convert, real_to_target,
        real_from_target): Likewise.
        * tree.h (struct tree_real_cst): Use real_value not realvaluetype.
        * gengtype-yacc.y (bitfieldopt): Accept an ID as well.

From-SVN: r57343

        * real.h (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT,
        IBM_FLOAT_FORMAT, C4X_FLOAT_FORMAT, TARGET_FLOAT_FORMAT): Move ...
        * defaults.h: ... here.
        * config/arm/arm.h, config/avr/avr.h, config/d30v/d30v.h,
        config/fr30/fr30.h, config/frv/frv.h, config/ia64/ia64.h,
        config/ip2k/ip2k.h, config/mips/mips.h, config/stormy16/stormy16.h,
        config/xtensa/xtensa.h (TARGET_FLOAT_FORMAT): Remove.

From-SVN: r57336

gcc/
        * builtin-types.def (BT_FN_FLOAT_CONST_STRING): New.
        (BT_FN_DOUBLE_CONST_STRING, BT_FN_LONG_DOUBLE_CONST_STRING): New.
        * builtins.def (__builtin_nan, __builtin_nanf, __builtin_nanl): New.
        (__builtin_nans, __builtin_nansf, __builtin_nansl): New.
        * builtins.c (fold_builtin_nan): New.
        (fold_builtin): Call it.
        * real.c (real_nan): Parse a non-empty string.
        (round_for_format): Fix NaN significand truncation.
        * real.h (real_nan): Return bool.
        * doc/extend.texi: Document new builtins.

libstdc++/
        * include/std/std_limits.h (__glibcpp_f32_QNaN_bytes,
        __glibcpp_f32_has_QNaN, __glibcpp_f32_SNaN_bytes,
        __glibcpp_f32_has_SNaN, __glibcpp_f64_QNaN_bytes,
        __glibcpp_f64_has_QNaN, __glibcpp_f64_SNaN_bytes,
        __glibcpp_f64_has_SNaN, __glibcpp_f80_QNaN_bytes,
        __glibcpp_f80_has_QNaN, __glibcpp_f80_SNaN_bytes,
        __glibcpp_f80_has_SNaN, __glibcpp_f96_QNaN_bytes,
        __glibcpp_f96_has_QNaN, __glibcpp_f96_SNaN_bytes,
        __glibcpp_f96_has_SNaN, __glibcpp_f128_QNaN_bytes,
        __glibcpp_f128_has_QNaN, __glibcpp_f128_SNaN_bytes,
        __glibcpp_f128_has_SNaN, __glibcpp_float_QNaN_bytes,
        __glibcpp_float_has_QNaN, __glibcpp_float_SNaN_bytes,
        __glibcpp_float_has_SNaN, __glibcpp_double_QNaN_bytes,
        __glibcpp_double_has_QNaN, __glibcpp_double_SNaN_bytes,
        __glibcpp_double_has_SNaN, __glibcpp_long_double_QNaN_bytes,
        __glibcpp_long_double_has_QNaN, __glibcpp_long_double_SNaN_bytes,
        __glibcpp_long_double_has_SNaN): Remove.
        (__glibcpp_f128_is_iec559): True if IEEE.
        (__glibcpp_float_QNaN, __glibcpp_float_SNaN): Remove.
        (__glibcpp_double_QNaN, __glibcpp_double_SNaN): Remove.
        (__glibcpp_long_double_QNaN, __glibcpp_long_double_SNaN): Remove.
        (std::numeric_limits<float>::has_quiet_NaN): Use __builtin_nanf.
        (std::numeric_limits<float>::has_signaling_NaN): Mirror has_quiet_NaN.
        (std::numeric_limits<float>::quiet_NaN): Use __builtin_nanf.
        (std::numeric_limits<float>::signaling_NaN): Use __builtin_nansf.
        (std::numeric_limits<double>): Similarly.
        (std::numeric_limits<long double>): Similarly.
        * src/limits.cc (__glibcpp_float_QNaN, __glibcpp_float_SNaN): Remove.
        (__glibcpp_double_QNaN, __glibcpp_double_SNaN): Remove.
        (__glibcpp_long_double_QNaN, __glibcpp_long_double_SNaN): Remove.

        * testsuite/18_support/numeric_limits.cc (test_infinity): New.
        (test_denorm_min, test_qnan, test_is_iec559): New.

From-SVN: r57221

gcc/
	* real.c, real.h: Rewrite from scratch.

	* Makefile.in (simplify-rtx.o): Depend on TREE_H.
	(paranoia): New target.
	* builtins.c (fold_builtin_inf): Use new real.h interface.
	* c-common.c (builtin_define_with_hex_fp_value): Likewise.
	* c-lex.c (interpret_float): Likewise.
	* emit-rtl.c (gen_lowpart_common): Likewise.
	* optabs.c (expand_float): Use real_2expN.
	* config/ia64/ia64.md (divsi3, udivsi3): Likewise.
	* defaults.h (INTEL_EXTENDED_IEEE_FORMAT): New.
	(FLOAT_WORDS_BIG_ENDIAN): New.
	* cse.c (find_comparison_args): Don't pass FLOAT_STORE_FLAG_VALUE
	directly to REAL_VALUE_NEGATIVE.
	* loop.c (canonicalize_condition): Likewise.
	* simplify-rtx.c: Include tree.h.
	(simplify_unary_operation): Don't handle FIX and UNSIGNED_FIX
	with floating-point result modes.
	* toplev.c (backend_init): Call init_real_once.

	* fold-const.c (force_fit_type): Don't call CHECK_FLOAT_VALUE.
	* tree.c (build_real): Likewise.
	* config/alpha/alpha.c, config/vax/vax.c (float_strings,
	float_values, inited_float_values, check_float_value): Remove.
	* config/alpha/alpha.h, config/m68hc11/m68hc11.h,
	config/m88k/m88k.h, config/vax/vax.h (CHECK_FLOAT_VALUE): Remove.
	* doc/tm.texi (CHECK_FLOAT_VALUE): Remove.

gcc/f/
	* target.c (ffetarget_real1): Don't pass FFETARGET_ATOF_
	directly to ffetarget_make_real1.
	(ffetarget_real2): Similarly.
	* target.h (ffetarget_cvt_r1_to_rv_, ffetarget_cvt_rv_to_r2_,
	ffetarget_cvt_r2_to_rv_): Use new real.h interface and simplify.

gcc/java/
	* jcf-parse.c (get_constant): Runtime check for IEEE format;
	use new real.h interface.
	* jcf-write.c (find_constant_index): Use new real.h interface.
	* lex.c (IS_ZERO): Use REAL_VALUES_EQUAL.

contrib/
	* paranoia.cc: New file.

From-SVN: r57198

        * builtin-types.def (BT_FN_FLOAT): New.
        (BT_FN_DOUBLE, BT_FN_LONG_DOUBLE): New.
        * builtins.def (BUILT_IN_INF, BUILT_IN_INFF, BUILT_IN_INFL,
        BUILT_IN_HUGE_VAL, BUILT_IN_HUGE_VALF, BUILT_IN_HUGE_VALL): New.
        * builtins.c (fold_builtin_inf): New.
        (fold_builtin): Call it.
        * real.c (ereal_inf): New.
        * real.h: Declare it.
        * doc/extend.texi: Document new builtins.

From-SVN: r56820

	* real.c (ereal_to_decimal): Add digits parameter.
	* real.h (REAL_VALUE_TO_DECIMAL): Remove format; add digits parameter.
	* c-pretty-print.c (pp_c_real_literal): Update call.
	* print-rtl.c (print_rtx): Likewise.
	* print-tree.c (print_node_brief, print_node): Likewise.
	* sched-vis.c (print_value): Likewise.
	* config/arc/arc.c (arc_print_operand): Likewise.
	* config/c4x/c4x.c (c4x_print_operand): Likewise.
	* config/i370/i370.h (PRINT_OPERAND): Likewise.
	* config/i386/i386.c (print_operand): Likewise.
	* config/i960/i960.c (i960_print_operand): Likewise.
	* config/ip2k/ip2k.c (asm_output_float): Likewise.
	* config/m32r/m32r.c (m32r_print_operand): Likewise.
	* config/m68hc11/m68hc11.c (print_operand): Likewise.
	* config/m68k/hp320.h (PRINT_OPERAND, ASM_OUTPUT_FLOAT_OPERAND,
	ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND): Likewise.
	* config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND,
	ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND): Likewise.
	* config/m68k/sun2o4.h (ASM_OUTPUT_FLOAT_OPERAND,
	ASM_OUTPUT_DOUBLE_OPERAND): Likewise.
	* config/m68k/sun3.h (ASM_OUTPUT_FLOAT_OPERAND,
	ASM_OUTPUT_DOUBLE_OPERAND): Likewise.
	* config/mips/mips.c (print_operand): Likewise.
	* config/ns32k/ns32k.c (print_operand): Likewise.
	* config/pdp11/pdp11.h (PRINT_OPERAND): Likewise.
	* config/vax/vax.h (PRINT_OPERAND): Likewise.
	* doc/tm.texi (REAL_VALUE_TO_DECIMAL): Update docs.

        * f/target.h (ffetarget_print_real1, ffetarget_print_real2): Update
        call to REAL_VALUE_TO_DECIMAL.

From-SVN: r56798

From-SVN: r54232

	* tree.h: Forward-declare struct realvaluetype.
	(struct tree_real_cst): Point to the REAL_VALUE_TYPE, do not
	contain it.
	(TREE_REAL_CST_PTR): New accessor.
	(TREE_REAL_CST): Update.
	* real.h: Include machmode.h.
	(realvaluetype): Make it struct realvaluetype, not a typedef.
	(build_real): Prototype here.

	* tree.c: Include real.h.
	(build_real): Allocate the REAL_VALUE_TYPE as a separate
	object in GC memory, set TREE_REAL_CST_PTR to point to it.
	(build_real_from_int_cst): Use build_real.
	* ggc-common.c (ggc_mark_trees): Mark TREE_REAL_CST_PTR of a
	REAL_CST.

	* builtins.c, c-common.c, c-lex.c, dwarf2out.c, expr.c,
	fold-const.c, print-tree.c, real.c, cp/mangle.c, cp/tree.c,
	f/bld.c, f/com.c, f/expr.c, f/target.c, java/decl.c,
	java/jcf-parse.c, java/parse.y, java/typeck.c: Include real.h.
	* Makefile.in, cp/Make-lang.in, f/Make-lang.in,
	java/Make-lang.in: Update dependency lists.

From-SVN: r53959

	* gengenrtl.c: Add prototype for excluded_rtx.

	* real.h: Add prototype for exact_real_truncate.

From-SVN: r53607

	* emit-rtl.c (global_rtl): Update comment.
	(const_double_htab, const_double_htab_hash,
	const_double_htab_hash, lookup_const_double): New.
	(const_int_htab_hash, const_int_htab_eq): Remove const
	qualifiers, which cause tons of warnings with RTL checking on.
	(gen_rtx_CONST_DOUBLE): Deleted.
	(const_double_from_real_value): New function - bears some
	resemblance to the former immed_real_const_1.
	(immed_double_const): Moved here from varasm.c and
	simplified.
	(gen_rtx_REG): Make REGNO unsigned to squelch warnings.
	(gen_rtx_SUBREG): Use gen_rtx_raw_SUBREG.
	(gen_rtx): Use immed_double_const.
	(init_emit_once): Initialize the const_double_htab.  Use
	REAL_VALUE_FROM_INT where possible.  Can now use
	CONST_DOUBLE_FROM_REAL_VALUE when setting up const_tiny_rtx.
	* varasm.c (struct varasm_status): Remove x_const_double_chain.
	(const_double_chain, immed_real_const, clear_const_double_mem): Delete.
	(immed_double_const, immed_real_const_1): Moved to emit-rtl.c.
	(init_varasm_status, mark_varasm_status): Don't touch
	x_const_double_chain.

	* output.h: Delete prototype for clear_const_double_mem.
	* real.h: Make REAL_VALUE_TYPE a macro again.  Remove leading
	'0' slot from all CONST_DOUBLE_FORMAT definitions.  Prototype
	const_double_from_real_value, not immed_real_const_1, and use
	it to define CONST_DOUBLE_FROM_REAL_VALUE.  Define new macro
	CONST_DOUBLE_ATOF.
	* rtl.h (CONST_DOUBLE_CHAIN): Kill.
	(CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Adjust.
	(gen_rtx_CONST_DOUBLE, immed_real_const): Delete prototypes.
	(gen_rtx_REG): Second arg is unsigned.

	* gengenrtl.c (special_rtx): Take out CONST_DOUBLE.
	(excluded_rtx): New, return true for CONST_DOUBLE.
	(genmacro): Write nothing for excluded codes.
	* combine.c (combine_simplify_rtx): Use CONST_DOUBLE_FROM_REAL_VALUE.
	* expr.c (expand_expr): Likewise.
	* ggc-common.c (ggc_mark_rtx_children_1): Don't mark the
	CONST_DOUBLE_CHAIN.
	* toplev.c (rest_of_compilation): Don't call
	clear_const_double_mem.

	* config/rs6000/rs6000.c (rs6000_float_const): Delete.
	(rs6000_hash_constant): Remove CONST_DOUBLE special case.
	(toc_hash_eq): Remove CONST_DOUBLE and LABEL_REF special cases.
	* config/rs6000/rs6000-protos.h: Don't prototype rs6000_float_const.
	* config/c4x/c4x.md, config/rs6000/rs6000.md: Use CONST_DOUBLE_ATOF.
	* config/dsp16xx/dsp16xx.md, config/mips/mips.md,
	config/pa/pa.md: Use CONST_DOUBLE_FROM_REAL_VALUE.
	* config/sparc/sparc.md, config/sparc/sparc.c: Use immed_double_const.

From-SVN: r53409

	* real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, as
	appropriate.  Document need for extended precision even when
	MAX_LONG_DOUBLE_TYPE_SIZE is smaller.  Define REAL_WIDTH here,
	based on REAL_VALUE_TYPE_SIZE.  Use REAL_WIDTH to size
	REAL_VALUE_TYPE.  Define CONST_DOUBLE_FORMAT here.  Use #error
	instead of relying on later syntax error when REAL_WIDTH > 5.
	* real.c: Define NE based only on whether or not we have a
	full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT).
	Require sizeof(REAL_VALUE_TYPE) == 2*NE.  Unconditionally
	define GET_REAL and PUT_REAL as simple memcpy operations; no
	need to byteswap or round.
	Use #error instead of #ifdef-ing out the entire file, for
	prompt error detection.

	* rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here.

From-SVN: r52502

	* toplev.c: Don't include setjmp.h.  Kill float_handler_set,
	float_handled, float_handler, float_signal, set_float_handler,
	and do_float_handler.  Set handler for SIGFPE to crash_signal.
	* toplev.h: Don't prototype do_float_handler.

	* c-lex.c: Fold parse_float into lex_number.  Make warning
	about portability of hex float constants more informative, and
	don't issue it on top of a syntax error.
	* fold-const.c: Fold const_binop_1 and fold_convert_1 into
	their callers.
	* real.h: Define REAL_VALUE_ABS here...
	* simplify-rtx.c: ... not here.  Fold check_fold_consts,
	simplify_unary_real, simplify_binary_real, and
	simplify_binary_is2orm1 into their callers.
	* tree.c: Fold build_real_from_int_cst_1 into caller.

	* doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.

	* tsystem.h: Include float.h here...
	* libgcc2.c: ... not here.

java:
	* lex.c: Change java_perform_atof to take normal parameters
	instead of a pointer to a parameter block.  Call it directly
	from java_lex.

testsuite:
	* gcc.dg/c90-hexfloat-1.c: Adjust error regexps.

From-SVN: r51336

From-SVN: r51229

	* real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
	Always make REAL_VALUE_TYPE a struct containing an array of
	HOST_WIDE_INT, not a double.  Tidy up the code deciding how
	big it is.  Don't declare or use union real_extract.

	* emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
	decode_rtx_const, output_constant_pool), config/a29k/a29k.c
	(print_operand), config/arm/arm.c (output_move_double),
	config/arm/arm.md (consttable_4, consttable_8),
	config/romp/romp.c (output_fpops), config/s390/s390.h
	(ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
	(xtensa_output_literal): Don't use union real_extract.

	* config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
	(sfmode_constant_to_ulong), config/ns32k/merlin.h
	(PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
	config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
	(PRINT_OPERAND): Don't use local version of union
	real_extract.

	* config/convex/convex.c (check_float_value), config/vax/vax.c
	(vax_float_literal), config/m88k/m88k.md (divdf3),
	config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
	config/pdp11/pdp11.c (output_move_quad): Don't do host
	arithmetic on target floating point quantities.

	* config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
	(output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.

	* fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
	Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.

	* real.c (earith): Test INFINITY rather than REAL_INFINITY;
	NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
	INFINITY.
	* print-rtl.c (print_rtx): Disable code which needs
	floating-point emulator.
	* libgcc2.c: Include float.h and use DBL_MANT_DIG,
	FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
	depending on HOST_FLOAT_FORMAT to be defined properly.

	* ch/grant.c, cp/error.c: Always use REAL_VALUE_TO_DECIMAL;
	don't test REAL_IS_NOT_DOUBLE.

	* config/1750a/1750a.c (get_double, float_label): Delete.
	(print_operand): Delete huge commented-out chunk.  Use
	REAL_VALUE_TO_DECIMAL.
	* config/1750a/1750a-protos.h: Delete prototypes of deleted
	functions.
	* config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
	IEEE_FLOAT_FORMAT.
	* config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
	Use REAL_VALUE_TO_DECIMAL as ELF version does.
	* config/m88k/m88k.c (real_power_of_2_operand,
	legitimize_operand): Take the REAL_VALUE_TYPE and/or union
	real_extract out of the union; run the input through
	REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
	from that into the union.
	* config/pdp11/pdp11.c (output_move_double): Rearrange
	parentheses to make automatic indenter happy.

	* doc/tm.texi (Cross-compilation): Rename node to "Floating
	Point" and rewrite to describe current situation.  Also adjust
	documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
	match code.
	* doc/rtl.texi: Adjust cross reference.

From-SVN: r51210

	* emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,
	print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c,
	tree.c, config/m68k/m68k.c, f/com.c, f/target.h, java/expr.c,
	java/jcf-parse.c, java/lex.c:
	Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef
	REAL_ARITHMETIC blocks unconditional.  Delete some further
	#ifdef blocks predicated on REAL_ARITHMETIC.
	* flags.h, toplev.c: Delete remaining references to
	flag_pretend_float.

	* doc/invoke.texi: Remove documentation of -fpretend-float.
	* doc/tm.texi: Describe the various REAL_* macros as provided by
	real.h, not by the target configuration files.

	* config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h,
	config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h,
	config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
	config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h,
	config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h,
	config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h,
	config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h,
	config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h,
	config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
	config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h,
	config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
	config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
	config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h,
	config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
	config/xtensa/xtensa.h:
	Do not define, undefine, or mention in comments any of
	REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF,
	REAL_VALUE_ISNAN, REAL_VALUE_ISINF,
	REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE,
	REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL,
	REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS,
	REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX,
	REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT,
	REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE,
	REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT.

From-SVN: r50263

	* predict.c: Fix formatting.
	* print-tree.c: Likewise.
	* protoize.c: Likewise.
	* real.h: Likewise.
	* rtl.h: Likewise.
	* sbitmap.h: Likewise.
	* scan.c: Likewise.
	* sched-deps.c: Likewise.
	* sched-vis.c: Likewise.
	* sdbout.c: Likewise.
	* sibcall.c: Likewise.
	* ssa.c: Likewise.
	* ssa-ccp.c: Likewise.
	* ssa-dce.c: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* system.h: Likewise.

From-SVN: r49074

        * real.c (etoe113, toe113): Ifndef INTEL_EXTENDED_IEEE_FORMAT.
        (endian): Clear word 3 for INTEL_EXTENDED_IEEE_FORMAT.
        (etartdouble): Invoke etoe64 for INTEL_EXTENDED_IEEE_FORMAT.
        * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Don't special case
        INTEL_EXTENDED_IEEE_FORMAT.

From-SVN: r48342

	* calls.c: Fix formatting.
	* c-decl.c: Likewise.
	* cfgcleanup.c: Likewise.
	* combine.c: Likewise.
	* cppfiles.c: Likewise.
	* cpplib.c: Likewise.
	* cppmacro.c: Likewise.
	* crtstuff.c: Likewise.
	* cse.c: Likewise.
	* dwarf2out.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* gcse.c: Likewise.
	* genattrtab.c: Likewise.
	* ggc-page.c: Likewise.
	* integrate.c: Likewise.
	* libgcc2.c: Likewise.
	* loop.c: Likewise.
	* optabs.c: Likewise.
	* profile.c: Likewise.
	* protoize.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* reload1.c: Likewise.
	* reload.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* sched-rgn.c: Likewise.
	* sdbout.c: Likewise.
	* stmt.c: Likewise.
	* toplev.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r46182

	* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
	bitmap.h, builtin-types.def, builtins.c, builtins.def,
	c-aux-info.c, c-common.c, c-common.def, c-common.h,
	c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
	c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
	c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
	caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
	conditions.h, config.gcc, configure.frag, configure.in,
	conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
	cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
	dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
	doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
	dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
	emit-rtl.c, errors.c, errors.h, except.c, except.h,
	exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
	fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
	function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
	gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
	gencheck.c, gencodes.c, genconfig.c, genemit.c,
	genextract.c, genflags.c, gengenrtl.c, genmultilib,
	genopinit.c, genoutput.c, genpeep.c, genrecog.c,
	gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
	ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
	graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
	gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
	gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
	hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
	integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
	libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
	machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
	mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
	mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
	params.h, predict.c, predict.def, predict.h, prefix.c,
	prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
	read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
	regclass.c, regmove.c, regrename.c, regs.h, reload.c,
	reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
	rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
	sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
	sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
	ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
	stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
	tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
	tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
	unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
	unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
	xcoffout.h: replace "GNU CC" with "GCC".

From-SVN: r45105

	* Makefile.in (final.o): Depend on target.h.
	* final.c: Include target.h.
	(default_function_pro_epilogue): New.
	(final_start_function): Use target structure for function prologues.
	(final_end_function): Use target structure for function epilogues.
	* fold-const.c (real_hex_to_f): Constify s and p.
	* output.h (default_function_pro_epilogue): New.
	* real.h (real_hex_to_f): Update prototype.
	* target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
	TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
	(TARGET_INITIALIZER): Update.
	* target.h (gcc_target): Add struct asm_out.
	* doc/tm.texi: Update.

config:
	Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
	TARGET_ASM_FUNCTION_EPILOGUE.  Move macro code to functions
	in cpu/cpu.c, or rename old functions consistently.  Take
	a HOST_WIDE INT not an int as the SIZE parameter.  Remove now
	redundant macros and prototypes.  Make new functions static.

	* 1750a/1750a.c: Similarly.
	* 1750a/1750a.h: Similarly.
	* a29k/a29k-protos.h: Similarly.
	* a29k/a29k.c: Similarly.
	* a29k/a29k.h: Similarly.
	* arc/arc-protos.h: Similarly.
	* arc/arc.c: Similarly.
	* arc/arc.h: Similarly.
	* arm/arm-protos.h: Similarly.
	* arm/arm.c: Similarly.
	* arm/arm.h: Similarly.
	* avr/avr-protos.h: Similarly.
	* avr/avr.c: Similarly.
	* avr/avr.h: Similarly.
	* clipper/clipper-protos.h: Similarly.
	* clipper/clipper.c: Similarly.
	* clipper/clipper.h: Similarly.
	* convex/convex.c: Similarly.
	* convex/convex.h: Similarly.
	* d30v/d30v-protos.h: Similarly.
	* d30v/d30v.c: Similarly.
	* d30v/d30v.h: Similarly.
	* d30v/d30v.md: Similarly.
	* dsp16xx/dsp16xx-protos.h: Similarly.
	* dsp16xx/dsp16xx.c: Similarly.
	* dsp16xx/dsp16xx.h: Similarly.
	* elxsi/elxsi.c: Similarly.
	* elxsi/elxsi.h: Similarly.
	* fr30/fr30.c: Similarly.
	* fr30/fr30.md: Similarly.
	* h8300/h8300-protos.h: Similarly.
	* h8300/h8300.c: Similarly.
	* h8300/h8300.h: Similarly.
	* i370/i370-protos.h: Similarly.
	* i370/i370.c: Similarly.
	* i370/i370.h: Similarly.
	* i386/i386.c: Similarly.
	* i386/osf1elf.h: Similarly.
	* i386/osfrose.h: Similarly.
	* i860/i860-protos.h: Similarly.
	* i860/i860.c: Similarly.
	* i860/i860.h: Similarly.
	* i960/i960-protos.h: Similarly.
	* i960/i960.c: Similarly.
	* i960/i960.h: Similarly.
	* ia64/ia64-protos.h: Similarly.
	* ia64/ia64.c: Similarly.
	* ia64/ia64.h: Similarly.
	* m32r/m32r-protos.h: Similarly.
	* m32r/m32r.c: Similarly.
	* m32r/m32r.h: Similarly.
	* m68hc11/m68hc11-protos.h: Similarly.
	* m68hc11/m68hc11.c: Similarly.
	* m68hc11/m68hc11.h: Similarly.
	* m68k/crds.h: Similarly.
	* m68k/dpx2.h: Similarly.
	* m68k/m68k-protos.h: Similarly.
	* m68k/m68k.c: Similarly.
	* m68k/m68k.h: Similarly.
	* m68k/news.h: Similarly.
	* m88k/m88k-protos.h: Similarly.
	* m88k/m88k.c: Similarly.
	* m88k/m88k.h: Similarly.
	* mips/mips-protos.h: Similarly.
	* mips/mips.c: Similarly.
	* mips/mips.h: Similarly.
	* ns32k/merlin.h: Similarly.
	* ns32k/ns32k.c: Similarly.
	* ns32k/ns32k.h: Similarly.
	* ns32k/tek6000.h: Similarly.
	* pa/pa-protos.h: Similarly.
	* pa/pa.c: Similarly.
	* pa/pa.h: Similarly.
	* pdp11/2bsd.h: Similarly.
	* pdp11/pdp11-protos.h: Similarly.
	* pdp11/pdp11.c: Similarly.
	* pdp11/pdp11.h: Similarly.
	* romp/romp-protos.h: Similarly.
	* romp/romp.c: Similarly.
	* romp/romp.h: Similarly.
	* rs6000/rs6000-protos.h: Similarly.
	* rs6000/rs6000.c: Similarly.
	* rs6000/rs6000.h: Similarly.
	* rs6000/sysv4.h: Similarly.
	* sh/sh-protos.h: Similarly.
	* sh/sh.c: Similarly.
	* sh/sh.h: Similarly.
	* sparc/sparc-protos.h: Similarly.
	* sparc/sparc.c: Similarly.
	* sparc/sparc.h: Similarly.
	* vax/vax.c: Similarly.
	* vax/vax.h: Similarly.
	* vax/vms.h: Similarly.
	* we32k/we32k.c: Similarly.
	* we32k/we32k.h: Similarly.

From-SVN: r43817

From-SVN: r43565

From-SVN: r42615

	* output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.

	* real.h (ereal_atof, real_value_truncate, target_isnan,
	target_isinf, target_negative, assemble_real, debug_real): Delete
	redundant prototypes.

From-SVN: r41257

	* alpha.c (check_float_value): Use memcpy, not bcopy.
	* arm.c (output_move_double): Likewise.
	* arm.md: Likewise.
	* m88k.c (legitimize_operand): Likewise.
	* m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
	* m88k.md: Likewise.
	* mips.c (override_options): Likewise.
	* mips.md: Likewise.
	* romp.c (output_fpops): Likewise.
	* rs6000.c (rs6000_override_options): Likewise.
	* sh.md: Likewise.
	* vax.c (check_float_value): Likewise.

	* emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
	* expmed.c (synth_mult): Likewise.
	* final.c (add_bb_string): Likewise.
	* genattr.c (main): Likewise.
	* genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
	Likewise.
	* jump.c (thread_jumps): Likewise.
	* prefix.c (save_string): Likewise.
	* real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
	* regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
	* reload1.c (reload, eliminate_regs): Likewise.

cp:
	* decl.c (grokdeclarator, save_function_data): Use memcpy, not bcopy.
	* lex.c (copy_lang_decl): Likewise.

java:
	* decl.c (copy_lang_decl): Use memcpy, not bcopy.
	* jcf-parse.c (jcf_figure_file_type): Likewise.

From-SVN: r37367

	* calls.c (expand_call, emit_library_call_value_1), collect2.c
	(scan_prog_file), config/a29k/a29k.c (print_operand),
	config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
	instead of bcopy ().
	* real.h: Use memcmp () instead of bcmp ().
	* config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
	(split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
	ultrasparc_sched_init, ultrasparc_sched_reorder),
	config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
	instead of bzero ().
	* config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
	instead of rindex ().
	* configure.in: Don't check for bzero, bcmp, index or rindex.
	* configure, config.in: Regenerate.
	* system.h: Don't include declarations for bzero, bcmp, index or
	rindex.
	* config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
	bzero, bcmp, index or rindex.

java:
	* parse.y (create_new_parser_context): Use memset () instead of
	bzero ().

From-SVN: r37334

	* configure.in (ia64-*): Set float_format for i386 long double.

	* real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
	as we would for i386 XFmode.
	(PUT_REAL): Likewise.
	(endian, ereal_atof, real_value_truncate): Likewise.
	(ereal_isneg, toe64, etens, make_nan): Likewise.
	* real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.

	* config/ia64/ia64-protos.h: Update.
	* config/ia64/ia64.c (general_tfmode_operand): New.
	(destination_tfmode_operand): New.
	(tfreg_or_fp01_operand): New.
	(ia64_split_timode): New.
	(spill_tfmode_operand): New.
	(ia64_expand_prologue): Use TFmode not XFmode.
	(ia64_expand_epilogue): Likewise.
	(ia64_function_arg): Likewise.
	(ia64_function_arg_advance): Likewise.
	(ia64_return_in_memory): Likewise.
	(ia64_function_value): Likewise.
	(ia64_print_operand): Likewise.
	(ia64_register_move_cost): Set GR<->FR to 5.
	(ia64_secondary_reload_class): Get GR for TImode memory op.
	* config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
	(ROUND_TYPE_ALIGN): Remove.
	(LONG_DOUBLE_TYPE_SIZE): Set to 128.
	(INTEL_EXTENDED_IEEE_FORMAT): Define.
	(HARD_REGNO_NREGS): Use TFmode, not XFmode.
	(HARD_REGNO_MODE_OK): Likewise.  Disallow TImode in FRs.
	(MODES_TIEABLE_P): Use TFmode, not XFmode.
	(CLASS_MAX_NREGS): Likewise.
	(ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
	(PREDICATE_CODES): Update.
	* config/ia64/ia64.md (movti): New.
	(movti_internal): Use a clobber for memory alternatives.
	(reload_inti, reload_outti): New.
	(movsfcc_astep): Predicate properly.
	(movdfcc_astep): Likewise.
	(movxf): Remove.
	(movtf): New.
	(extendsftf2, extenddftf2): New.
	(trunctfsf2, trunctfdf2): New.
	(floatditf2, fix_trunctfdi2): New.
	(floatunsditf2, fixuns_trunctfdi2): New.
	(addtf3, subtf3, multf3, abstf2): New.
	(negtf2, nabstf2, mintf3, maxtf3): New.
	(maddtf3, msubtf3, nmultf3, nmaddtf3): New.
	(cmptf): New.
	(fr_spill): Use TFmode, not XFmode.
	(fr_restore): Likewise.
	* config/ia64/lib1funcs.asm (__divtf3): New.
	* config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.

From-SVN: r35689

2000-08-04  Andreas Schwab  <schwab@suse.de>

	* cppmain.c (cb_def_pragma): Skip the first two tokens from the
	token list, which are always `#' and `pragma'.

2000-08-04  Zack Weinberg  <zack@wolery.cumb.org>

	* tree.c (tree_expr_nonnegative_p): Move to...
	* fold-const.c: ... here.  Also handle BIND_EXPR and RTL_EXPR.
	(rtl_expr_nonnegative_p): New.
	* tree.h: Add prototype for rtl_expr_nonnegative_p.

	* real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
	CONST_DOUBLE_CHAIN: Move to...
	* rtl.h: ...here.  Use XCINT/XCEXP.

	* Makefile.in: Remove toplev.o from OBJS.  Add rule to make
	libbackend.a; add libbackend.a to STAGESTUFF.  Add BACKEND
	variable.  Use BACKEND when linking cc1, not OBJS.  Add BACKEND
	to VOL_FILES.

	* objc/Make-lang.in (cc1obj): Link with $(BACKEND).

ch:
	* Make-lang.in (cc1chill): Depend on $(BACKEND), not stamp-objlist.
	* Makefile.in (cc1chill): Link with $(BACKEND).  Define BACKEND,
	eliminate C_OBJS (was commented out), OBJS, OBJDEPS.
cp:
        * Make-lang.in (cc1plus): Depend on $(BACKEND), not stamp-objlist.
        * Makefile.in: Add C_OBJS, BACKEND; delete OBJS, OBJDEPS.
        (cc1plus): Link with $(BACKEND) and $(C_OBJS).
f:
	* Make-lang.in (f771): Depend on $(BACKEND), not stamp-objlist.
	* Makefile.in: Add BACKEND; delete OBJS, OBJDEPS.
	(f771): Link with $(BACKEND).
java:
	* Make-lang.in (jc1, jv-scan): Depend on $(BACKEND), not stamp-objlist.
	* Makefile.in: Add BACKEND; delete OBJS, OBJDEPS.
	(jc1): Link with $(BACKEND).
	(jv-scan): Depend on version.o, not all of $(OBJS) or $(BACKEND).

From-SVN: r35501

real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output...


	* real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
	instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.

From-SVN: r35105

2000-06-09  Rodney Brown  <RodneyBrown@mynd.com>

        * mcore-protos.h: discards const warning removal.
        * mcore.c: discards const warning removal.

2000-06-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/lib1funcs.asm: Declare the machine architecture at
        the beginning of the file.

2000-06-09  J. David Anglin  <dave@hiauly1.hia.nrc.ca>

        * real.h:  Add prototype for ldexp.

From-SVN: r34496