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
8int
9fsel(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}
39