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1da177e4 LT |
1 | #include <linux/types.h> |
2 | #include <linux/errno.h> | |
3 | #include <asm/uaccess.h> | |
4 | ||
d2b194ed KG |
5 | #include <asm/sfp-machine.h> |
6 | #include <math-emu/soft-fp.h> | |
7 | #include <math-emu/double.h> | |
1da177e4 LT |
8 | |
9 | int | |
10 | fsel(u32 *frD, void *frA, u32 *frB, u32 *frC) | |
11 | { | |
12 | FP_DECL_D(A); | |
d2b194ed | 13 | FP_DECL_EX; |
1da177e4 LT |
14 | |
15 | #ifdef DEBUG | |
e48b1b45 | 16 | printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); |
1da177e4 LT |
17 | #endif |
18 | ||
d2b194ed | 19 | FP_UNPACK_DP(A, frA); |
1da177e4 LT |
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 | } |