fctiwz.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * BK Id: SCCS/s.fctiwz.c 1.6 05/17/01 18:14:22 cort
- */
- #include <linux/types.h>
- #include <linux/errno.h>
- #include <asm/uaccess.h>
- #include "soft-fp.h"
- #include "double.h"
- int
- fctiwz(u32 *frD, void *frB)
- {
- FP_DECL_D(B);
- u32 fpscr;
- unsigned int r;
- fpscr = __FPU_FPSCR;
- __FPU_FPSCR &= ~(3);
- __FPU_FPSCR |= FP_RND_ZERO;
- __FP_UNPACK_D(B, frB);
- FP_TO_INT_D(r, B, 32, 1);
- frD[1] = r;
- __FPU_FPSCR = fpscr;
- #ifdef DEBUG
- printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB);
- dump_double(frD);
- printk("n");
- #endif
- return 0;
- }