From f3218a8df0365e515f2100c92016217826811200 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Wed, 20 Apr 2011 13:04:22 +0200 Subject: softfloat: add floatx80 constants Add floatx80 constants similarly to float32 or float64. Reviewed-by: Peter Maydell Signed-off-by: Aurelien Jarno --- fpu/softfloat.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'fpu/softfloat.h') diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 336312839a..90e0c41210 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -154,6 +154,7 @@ typedef struct { uint64_t low; uint16_t high; } floatx80; +#define make_floatx80(exp, mant) ((floatx80) { mant, exp }) #endif #ifdef FLOAT128 typedef struct { @@ -584,6 +585,12 @@ INLINE int floatx80_is_any_nan(floatx80 a) return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1); } +#define floatx80_zero make_floatx80(0x0000, 0x0000000000000000LL) +#define floatx80_one make_floatx80(0x3fff, 0x8000000000000000LL) +#define floatx80_ln2 make_floatx80(0x3ffe, 0xb17217f7d1cf79acLL) +#define floatx80_half make_floatx80(0x3ffe, 0x8000000000000000LL) +#define floatx80_infinity make_floatx80(0x7fff, 0x8000000000000000LL) + /*---------------------------------------------------------------------------- | The pattern for a default generated extended double-precision NaN. The | `high' and `low' values hold the most- and least-significant bits, -- cgit v1.2.1