2 * arch/s390/kernel/ieee.h
5 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
9 #include <linux/sched.h>
11 static inline void _adddf(int R1,int R2)
13 current->tss.fprs[R1].fd = current->tss.fprs[R1].fd +
14 current->tss.fprs[R2].fd;
17 static inline void _subdf(int R1,int R2)
19 current->tss.fprs[R1].fd = current->tss.fprs[R1].fd -
20 current->tss.fprs[R2].fd;
23 static inline void _muldf(int R1,int R2)
25 current->tss.fprs[R1].fd = current->tss.fprs[R1].fd *
26 current->tss.fprs[R2].fd;
29 static inline void _divdf(int R1,int R2)
31 current->tss.fprs[R1].fd = current->tss.fprs[R1].fd /
32 current->tss.fprs[R2].fd;
35 static inline void _negdf(int R1,int R2)
37 current->tss.fprs[R1].fd = -current->tss.fprs[R1].fd;
40 static inline void _fixdfsi(int R1,int R2)
42 current->tss.regs->gprs[R1] = (__u32) current->tss.fprs[R2].fd;
45 static inline void _extendsidf(int R1,int R2)
47 current->tss.fprs[R1].fd = (double) current->tss.regs->gprs[R2];
51 static inline void _addsf(int R1,int R2)
53 current->tss.fprs[R1].ff = current->tss.fprs[R1].ff +
54 current->tss.fprs[R2].ff;
57 static inline void _subsf(int R1,int R2)
59 current->tss.fprs[R1].ff = current->tss.fprs[R1].ff -
60 current->tss.fprs[R2].ff;
63 static inline void _mulsf(int R1,int R2)
65 current->tss.fprs[R1].ff = current->tss.fprs[R1].ff *
66 current->tss.fprs[R2].ff;
69 static inline void _divsf(int R1,int R2)
71 current->tss.fprs[R1].ff = current->tss.fprs[R1].ff /
72 current->tss.fprs[R2].ff;
75 static inline void _negsf(int R1,int R2)
77 current->tss.fprs[R1].ff = -current->tss.fprs[R1].ff;
80 static inline void _fixsfsi(int R1,int R2)
82 current->tss.regs->gprs[R1] = (__u32) current->tss.fprs[R2].ff;
85 static inline void _extendsisf(int R1,int R2)
87 current->tss.fprs[R1].ff = (double) current->tss.regs->gprs[R2];