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Diffstat (limited to 'arch/alpha/math-emu/ieee-math.h')
| -rw-r--r-- | arch/alpha/math-emu/ieee-math.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/alpha/math-emu/ieee-math.h b/arch/alpha/math-emu/ieee-math.h new file mode 100644 index 000000000..35ce1afb7 --- /dev/null +++ b/arch/alpha/math-emu/ieee-math.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 1992,1995 by + * Digital Equipment Corporation, Maynard, Massachusetts. + * This file may be redistributed according to the terms of the + * GNU General Public License. + */ +#ifndef __ieee_math_h__ +#define __ieee_math_h__ + +#include <asm/fpu.h> + +#define ROUND_SHIFT 6 /* make space for trap-enable bits */ +#define RM(f) (((f) >> ROUND_SHIFT) & 0x3) + +#define ROUND_CHOP (FPCR_DYN_CHOPPED >> FPCR_DYN_SHIFT) +#define ROUND_NINF (FPCR_DYN_MINUS >> FPCR_DYN_SHIFT) +#define ROUND_NEAR (FPCR_DYN_NORMAL >> FPCR_DYN_SHIFT) +#define ROUND_PINF (FPCR_DYN_PLUS >> FPCR_DYN_SHIFT) + +extern unsigned long ieee_CVTST (int rm, unsigned long a, unsigned long *b); +extern unsigned long ieee_CVTTS (int rm, unsigned long a, unsigned long *b); +extern unsigned long ieee_CVTQS (int rm, unsigned long a, unsigned long *b); +extern unsigned long ieee_CVTQT (int rm, unsigned long a, unsigned long *b); +extern unsigned long ieee_CVTTQ (int rm, unsigned long a, unsigned long *b); + +extern unsigned long ieee_CMPTEQ (unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_CMPTLT (unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_CMPTLE (unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_CMPTUN (unsigned long a, unsigned long b, + unsigned long *c); + +extern unsigned long ieee_ADDS (int rm, unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_ADDT (int rm, unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_SUBS (int rm, unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_SUBT (int rm, unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_MULS (int rm, unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_MULT (int rm, unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_DIVS (int rm, unsigned long a, unsigned long b, + unsigned long *c); +extern unsigned long ieee_DIVT (int rm, unsigned long a, unsigned long b, + unsigned long *c); + +#endif /* __ieee_math_h__ */ |