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/*
* BK Id: SCCS/s.soft-fp.h 1.5 05/17/01 18:14:23 cort
*/
#ifndef SOFT_FP_H
#define SOFT_FP_H
#include "sfp-machine.h"
#define _FP_WORKBITS 3
#define _FP_WORK_LSB ((_FP_W_TYPE)1 << 3)
#define _FP_WORK_ROUND ((_FP_W_TYPE)1 << 2)
#define _FP_WORK_GUARD ((_FP_W_TYPE)1 << 1)
#define _FP_WORK_STICKY ((_FP_W_TYPE)1 << 0)
#ifndef FP_RND_NEAREST
# define FP_RND_NEAREST 0
# define FP_RND_ZERO 1
# define FP_RND_PINF 2
# define FP_RND_MINF 3
#ifndef FP_ROUNDMODE
# define FP_ROUNDMODE FP_RND_NEAREST
#endif
#endif
#define _FP_ROUND_NEAREST(wc, X) \
({ int __ret = 0; \
int __frac = _FP_FRAC_LOW_##wc(X) & 15; \
if (__frac & 7) { \
__ret = EFLAG_INEXACT; \
if ((__frac & 7) != _FP_WORK_ROUND) \
_FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \
else if (__frac & _FP_WORK_LSB) \
_FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \
} \
__ret; \
})
#define _FP_ROUND_ZERO(wc, X) \
({ int __ret = 0; \
if (_FP_FRAC_LOW_##wc(X) & 7) \
__ret = EFLAG_INEXACT; \
__ret; \
})
#define _FP_ROUND_PINF(wc, X) \
({ int __ret = EFLAG_INEXACT; \
if (!X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \
_FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \
else __ret = 0; \
__ret; \
})
#define _FP_ROUND_MINF(wc, X) \
({ int __ret = EFLAG_INEXACT; \
if (X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \
_FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \
else __ret = 0; \
__ret; \
})
#define _FP_ROUND(wc, X) \
({ int __ret = 0; \
switch (FP_ROUNDMODE) \
{ \
case FP_RND_NEAREST: \
__ret |= _FP_ROUND_NEAREST(wc,X); \
break; \
case FP_RND_ZERO: \
__ret |= _FP_ROUND_ZERO(wc,X); \
break; \
case FP_RND_PINF: \
__ret |= _FP_ROUND_PINF(wc,X); \
break; \
case FP_RND_MINF: \
__ret |= _FP_ROUND_MINF(wc,X); \
break; \
}; \
__ret; \
})
#define FP_CLS_NORMAL 0
#define FP_CLS_ZERO 1
#define FP_CLS_INF 2
#define FP_CLS_NAN 3
#define _FP_CLS_COMBINE(x,y) (((x) << 2) | (y))
#include "op-1.h"
#include "op-2.h"
#include "op-4.h"
#include "op-common.h"
/* Sigh. Silly things longlong.h needs. */
#define UWtype _FP_W_TYPE
#define W_TYPE_SIZE _FP_W_TYPE_SIZE
typedef int SItype __attribute__((mode(SI)));
typedef int DItype __attribute__((mode(DI)));
typedef unsigned int USItype __attribute__((mode(SI)));
typedef unsigned int UDItype __attribute__((mode(DI)));
#if _FP_W_TYPE_SIZE == 32
typedef unsigned int UHWtype __attribute__((mode(HI)));
#elif _FP_W_TYPE_SIZE == 64
typedef USItype UHWtype;
#endif
#endif
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