1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
| // SPDX-License-Identifier: GPL-2.0
| #include <linux/types.h>
| #include <linux/errno.h>
| #include <linux/uaccess.h>
|
| #include <asm/sfp-machine.h>
| #include <math-emu/soft-fp.h>
| #include <math-emu/double.h>
|
| int
| fsel(u32 *frD, void *frA, u32 *frB, u32 *frC)
| {
| FP_DECL_D(A);
| FP_DECL_EX;
|
| #ifdef DEBUG
| printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
| #endif
|
| FP_UNPACK_DP(A, frA);
|
| #ifdef DEBUG
| printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
| printk("B: %08x %08x\n", frB[0], frB[1]);
| printk("C: %08x %08x\n", frC[0], frC[1]);
| #endif
|
| if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) {
| frD[0] = frB[0];
| frD[1] = frB[1];
| } else {
| frD[0] = frC[0];
| frD[1] = frC[1];
| }
|
| #ifdef DEBUG
| printk("D: %08x.%08x\n", frD[0], frD[1]);
| #endif
|
| return 0;
| }
|
|
