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