Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 8 | int |
| 9 | fsel(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 | } |