diff options
Diffstat (limited to 'include/fpu/softfloat.h')
| -rw-r--r-- | include/fpu/softfloat.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index fa4fae224f..36626a501b 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -573,6 +573,11 @@ float64 floatx80_to_float64(floatx80, float_status *status); float128 floatx80_to_float128(floatx80, float_status *status); /*---------------------------------------------------------------------------- +| The pattern for an extended double-precision inf. +*----------------------------------------------------------------------------*/ +extern const floatx80 floatx80_infinity; + +/*---------------------------------------------------------------------------- | Software IEC/IEEE extended double-precision operations. *----------------------------------------------------------------------------*/ floatx80 floatx80_round(floatx80 a, float_status *status); @@ -612,7 +617,12 @@ static inline floatx80 floatx80_chs(floatx80 a) static inline int floatx80_is_infinity(floatx80 a) { - return (a.high & 0x7fff) == 0x7fff && a.low == 0x8000000000000000LL; +#if defined(TARGET_M68K) + return (a.high & 0x7fff) == floatx80_infinity.high && !(a.low << 1); +#else + return (a.high & 0x7fff) == floatx80_infinity.high && + a.low == floatx80_infinity.low; +#endif } static inline int floatx80_is_neg(floatx80 a) @@ -655,7 +665,6 @@ static inline bool floatx80_invalid_encoding(floatx80 a) #define floatx80_ln2 make_floatx80(0x3ffe, 0xb17217f7d1cf79acLL) #define floatx80_pi make_floatx80(0x4000, 0xc90fdaa22168c235LL) #define floatx80_half make_floatx80(0x3ffe, 0x8000000000000000LL) -#define floatx80_infinity make_floatx80(0x7fff, 0x8000000000000000LL) /*---------------------------------------------------------------------------- | Returns the fraction bits of the extended double-precision floating-point |