float-i386.h: New.

(
        * config/float-i386.h: New.
        * configure.in (i[34567]86-*-linux-*): Set float_format to i386.

From-SVN: r20567

gcc/config/float-i386.h

+/* float.h for target with IEEE 32/64 bit and Intel 386 style 80 bit
+   floating point formats */
+#ifndef _FLOAT_H_
+#define _FLOAT_H_
+/* Produced by enquire version 4.3, CWI, Amsterdam */
+
+   /* Radix of exponent representation */
+#undef FLT_RADIX
+#define FLT_RADIX 2
+   /* Number of base-FLT_RADIX digits in the significand of a float */
+#undef FLT_MANT_DIG
+#define FLT_MANT_DIG 24
+   /* Number of decimal digits of precision in a float */
+#undef FLT_DIG
+#define FLT_DIG 6
+   /* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
+#undef FLT_ROUNDS
+#define FLT_ROUNDS 1
+   /* Difference between 1.0 and the minimum float greater than 1.0 */
+#undef FLT_EPSILON
+#define FLT_EPSILON 1.19209290e-07F
+   /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
+#undef FLT_MIN_EXP
+#define FLT_MIN_EXP (-125)
+   /* Minimum normalised float */
+#undef FLT_MIN
+#define FLT_MIN 1.17549435e-38F
+   /* Minimum int x such that 10**x is a normalised float */
+#undef FLT_MIN_10_EXP
+#define FLT_MIN_10_EXP (-37)
+   /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
+#undef FLT_MAX_EXP
+#define FLT_MAX_EXP 128
+   /* Maximum float */
+#undef FLT_MAX
+#define FLT_MAX 3.40282347e+38F
+   /* Maximum int x such that 10**x is a representable float */
+#undef FLT_MAX_10_EXP
+#define FLT_MAX_10_EXP 38
+
+   /* Number of base-FLT_RADIX digits in the significand of a double */
+#undef DBL_MANT_DIG
+#define DBL_MANT_DIG 53
+   /* Number of decimal digits of precision in a double */
+#undef DBL_DIG
+#define DBL_DIG 15
+   /* Difference between 1.0 and the minimum double greater than 1.0 */
+#undef DBL_EPSILON
+#define DBL_EPSILON 2.2204460492503131e-16
+   /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
+#undef DBL_MIN_EXP
+#define DBL_MIN_EXP (-1021)
+   /* Minimum normalised double */
+#undef DBL_MIN
+#define DBL_MIN 2.2250738585072014e-308
+   /* Minimum int x such that 10**x is a normalised double */
+#undef DBL_MIN_10_EXP
+#define DBL_MIN_10_EXP (-307)
+   /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
+#undef DBL_MAX_EXP
+#define DBL_MAX_EXP 1024
+   /* Maximum double */
+#undef DBL_MAX
+#define DBL_MAX 1.7976931348623157e+308
+   /* Maximum int x such that 10**x is a representable double */
+#undef DBL_MAX_10_EXP
+#define DBL_MAX_10_EXP 308
+
+   /* Number of base-FLT_RADIX digits in the significand of a long double */
+#undef LDBL_MANT_DIG
+#define LDBL_MANT_DIG 64
+   /* Number of decimal digits of precision in a long double */
+#undef LDBL_DIG
+#define LDBL_DIG 18
+   /* Difference between 1.0 and the minimum long double greater than 1.0 */
+#undef LDBL_EPSILON
+#ifndef __LDBL_UNION__
+#define __LDBL_UNION__
+union __convert_long_double {
+  unsigned __convert_long_double_i[4];
+  long double __convert_long_double_d;
+};
+#endif
+#define LDBL_EPSILON (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x3fc0, 0x0}}).__convert_long_double_d)
+   /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
+#undef LDBL_MIN_EXP
+#define LDBL_MIN_EXP (-16381)
+   /* Minimum normalised long double */
+#undef LDBL_MIN
+#define LDBL_MIN (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x1, 0x0}}).__convert_long_double_d)
+   /* Minimum int x such that 10**x is a normalised long double */
+#undef LDBL_MIN_10_EXP
+#define LDBL_MIN_10_EXP (-4931)
+   /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
+#undef LDBL_MAX_EXP
+#define LDBL_MAX_EXP 16384
+   /* Maximum long double */
+#undef LDBL_MAX
+#define LDBL_MAX (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0xffffffff, 0xffffffff, 0x107ffe, 0x0}}).__convert_long_double_d)
+   /* Maximum int x such that 10**x is a representable long double */
+#undef LDBL_MAX_10_EXP
+#define LDBL_MAX_10_EXP 4932
+
+#endif /*  _FLOAT_H___ */