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#define _FP_W_TYPE_SIZE 64
#define _FP_W_TYPE unsigned long
#define _FP_WS_TYPE signed long
#define _FP_I_TYPE long
#define __FP_CLZ(r, x) \
do { \
__asm__("bsrq %1,%0" : "=r"(r) : "g"(x) : "cc"); \
r ^= 63; \
} while (0)
#define _FP_NANFRAC_S _FP_QNANBIT_S
#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
#define _FP_NANSIGN_S 1
#define _FP_NANSIGN_D 1
#define _FP_KEEPNANFRACP 1
/* Here is something Intel misdesigned: the specs don't define
the case where we have two NaNs with same mantissas, but
different sign. Different operations pick up different NaNs.
*/
#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
do { \
if (_FP_FRAC_GT_##wc(X, Y) \
|| (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
{ \
R##_s = X##_s; \
_FP_FRAC_COPY_##wc(R,X); \
} \
else \
{ \
R##_s = Y##_s; \
_FP_FRAC_COPY_##wc(R,Y); \
} \
R##_c = FP_CLS_NAN; \
} while (0)
#define FP_EX_INVALID (1 << 0)
#define FP_EX_DENORM (1 << 1)
#define FP_EX_DIVZERO (1 << 2)
#define FP_EX_OVERFLOW (1 << 3)
#define FP_EX_UNDERFLOW (1 << 4)
#define FP_EX_INEXACT (1 << 5)
#define FP_RND_NEAREST 0
#define FP_RND_ZERO 3
#define FP_RND_PINF 2
#define FP_RND_MINF 1
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