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
9fmul(void *frD, void *frA, void *frB)
10{
11	FP_DECL_D(A);
12	FP_DECL_D(B);
13	FP_DECL_D(R);
14	int ret = 0;
15
16#ifdef DEBUG
17	printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB);
18#endif
19
20	__FP_UNPACK_D(A, frA);
21	__FP_UNPACK_D(B, frB);
22
23#ifdef DEBUG
24	printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
25	       A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023);
26	printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
27	       B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023);
28#endif
29
30	if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) ||
31	    (A_c == FP_CLS_ZERO && B_c == FP_CLS_INF))
32		ret |= EFLAG_VXIMZ;
33
34	FP_MUL_D(R, A, B);
35
36#ifdef DEBUG
37	printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
38	       R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023);
39#endif
40
41	return (ret | __FP_PACK_D(frD, R));
42}
43