1/* 2 * BK Id: SCCS/s.fsel.c 1.6 05/17/01 18:14:22 cort 3 */ 4#include <linux/types.h> 5#include <linux/errno.h> 6#include <asm/uaccess.h> 7 8#include "soft-fp.h" 9#include "double.h" 10 11int 12fsel(u32 *frD, void *frA, u32 *frB, u32 *frC) 13{ 14 FP_DECL_D(A); 15 16#ifdef DEBUG 17 printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); 18#endif 19 20 __FP_UNPACK_D(A, frA); 21 22#ifdef DEBUG 23 printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); 24 printk("B: %08x %08x\n", frB[0], frB[1]); 25 printk("C: %08x %08x\n", frC[0], frC[1]); 26#endif 27 28 if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) { 29 frD[0] = frB[0]; 30 frD[1] = frB[1]; 31 } else { 32 frD[0] = frC[0]; 33 frD[1] = frC[1]; 34 } 35 36#ifdef DEBUG 37 printk("D: %08x.%08x\n", frD[0], frD[1]); 38#endif 39 40 return 0; 41} 42