fsub.c (96916090f488986a4ebb8e9ffa6a3b50881d5ccd) fsub.c (d2b194ed820880eb19c43b9c10d9f5f30026ee54)
1#include <linux/types.h>
2#include <linux/errno.h>
3#include <asm/uaccess.h>
4
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"
5#include <asm/sfp-machine.h>
6#include <math-emu/soft-fp.h>
7#include <math-emu/double.h>
7
8int
9fsub(void *frD, void *frA, void *frB)
10{
11 FP_DECL_D(A);
12 FP_DECL_D(B);
13 FP_DECL_D(R);
8
9int
10fsub(void *frD, void *frA, void *frB)
11{
12 FP_DECL_D(A);
13 FP_DECL_D(B);
14 FP_DECL_D(R);
15 FP_DECL_EX;
14 int ret = 0;
15
16#ifdef DEBUG
17 printk("%s: %p %p %p\n", __func__, frD, frA, frB);
18#endif
19
16 int ret = 0;
17
18#ifdef DEBUG
19 printk("%s: %p %p %p\n", __func__, frD, frA, frB);
20#endif
21
20 __FP_UNPACK_D(A, frA);
21 __FP_UNPACK_D(B, frB);
22 FP_UNPACK_DP(A, frA);
23 FP_UNPACK_DP(B, frB);
22
23#ifdef DEBUG
24 printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
25 printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
26#endif
27
28 if (B_c != FP_CLS_NAN)
29 B_s ^= 1;
30
31 if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF)
32 ret |= EFLAG_VXISI;
33
34 FP_ADD_D(R, A, B);
35
36#ifdef DEBUG
37 printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
38#endif
39
24
25#ifdef DEBUG
26 printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
27 printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
28#endif
29
30 if (B_c != FP_CLS_NAN)
31 B_s ^= 1;
32
33 if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF)
34 ret |= EFLAG_VXISI;
35
36 FP_ADD_D(R, A, B);
37
38#ifdef DEBUG
39 printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
40#endif
41
40 return (ret | __FP_PACK_D(frD, R));
42 __FP_PACK_D(frD, R);
43
44 return FP_CUR_EXCEPTIONS;
41}
45}