1#include <linux/types.h> 2#include <linux/errno.h> 3#include <asm/uaccess.h> 4 5#include "soft-fp.h" 6#include "double.h" 7 8int 9fsel(u32 *frD, void *frA, u32 *frB, u32 *frC) 10{ 11 FP_DECL_D(A); 12 13#ifdef DEBUG 14 printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); 15#endif 16 17 __FP_UNPACK_D(A, frA); 18 19#ifdef DEBUG 20 printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); 21 printk("B: %08x %08x\n", frB[0], frB[1]); 22 printk("C: %08x %08x\n", frC[0], frC[1]); 23#endif 24 25 if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) { 26 frD[0] = frB[0]; 27 frD[1] = frB[1]; 28 } else { 29 frD[0] = frC[0]; 30 frD[1] = frC[1]; 31 } 32 33#ifdef DEBUG 34 printk("D: %08x.%08x\n", frD[0], frD[1]); 35#endif 36 37 return 0; 38} 39