ieee.h
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上传日期:2013-02-24
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文件大小:2k
- /*
- * arch/s390/kernel/ieee.h
- *
- * S390 version
- * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
- */
- #include <linux/sched.h>
- static inline void _adddf(int R1,int R2)
- {
- current->tss.fprs[R1].fd = current->tss.fprs[R1].fd +
- current->tss.fprs[R2].fd;
- }
- static inline void _subdf(int R1,int R2)
- {
- current->tss.fprs[R1].fd = current->tss.fprs[R1].fd -
- current->tss.fprs[R2].fd;
- }
- static inline void _muldf(int R1,int R2)
- {
- current->tss.fprs[R1].fd = current->tss.fprs[R1].fd *
- current->tss.fprs[R2].fd;
- }
- static inline void _divdf(int R1,int R2)
- {
- current->tss.fprs[R1].fd = current->tss.fprs[R1].fd /
- current->tss.fprs[R2].fd;
- }
- static inline void _negdf(int R1,int R2)
- {
- current->tss.fprs[R1].fd = -current->tss.fprs[R1].fd;
- }
- static inline void _fixdfsi(int R1,int R2)
- {
- current->tss.regs->gprs[R1] = (__u32) current->tss.fprs[R2].fd;
- }
- static inline void _extendsidf(int R1,int R2)
- {
- current->tss.fprs[R1].fd = (double) current->tss.regs->gprs[R2];
- }
- static inline void _addsf(int R1,int R2)
- {
- current->tss.fprs[R1].ff = current->tss.fprs[R1].ff +
- current->tss.fprs[R2].ff;
- }
- static inline void _subsf(int R1,int R2)
- {
- current->tss.fprs[R1].ff = current->tss.fprs[R1].ff -
- current->tss.fprs[R2].ff;
- }
- static inline void _mulsf(int R1,int R2)
- {
- current->tss.fprs[R1].ff = current->tss.fprs[R1].ff *
- current->tss.fprs[R2].ff;
- }
- static inline void _divsf(int R1,int R2)
- {
- current->tss.fprs[R1].ff = current->tss.fprs[R1].ff /
- current->tss.fprs[R2].ff;
- }
- static inline void _negsf(int R1,int R2)
- {
- current->tss.fprs[R1].ff = -current->tss.fprs[R1].ff;
- }
- static inline void _fixsfsi(int R1,int R2)
- {
- current->tss.regs->gprs[R1] = (__u32) current->tss.fprs[R2].ff;
- }
- static inline void _extendsisf(int R1,int R2)
- {
- current->tss.fprs[R1].ff = (double) current->tss.regs->gprs[R2];
- }