Commit | Line | Data |
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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> | |
8 | #include <math-emu/single.h> | |
1da177e4 LT |
9 | |
10 | int | |
11 | fmadds(void *frD, void *frA, void *frB, void *frC) | |
12 | { | |
13 | FP_DECL_D(R); | |
14 | FP_DECL_D(A); | |
15 | FP_DECL_D(B); | |
16 | FP_DECL_D(C); | |
17 | FP_DECL_D(T); | |
d2b194ed | 18 | FP_DECL_EX; |
1da177e4 LT |
19 | int ret = 0; |
20 | ||
21 | #ifdef DEBUG | |
e48b1b45 | 22 | printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); |
1da177e4 LT |
23 | #endif |
24 | ||
d2b194ed KG |
25 | FP_UNPACK_DP(A, frA); |
26 | FP_UNPACK_DP(B, frB); | |
27 | FP_UNPACK_DP(C, frC); | |
1da177e4 LT |
28 | |
29 | #ifdef DEBUG | |
30 | printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); | |
31 | printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); | |
32 | printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); | |
33 | #endif | |
34 | ||
35 | if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || | |
36 | (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) | |
37 | ret |= EFLAG_VXIMZ; | |
38 | ||
39 | FP_MUL_D(T, A, C); | |
40 | ||
41 | if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) | |
42 | ret |= EFLAG_VXISI; | |
43 | ||
44 | FP_ADD_D(R, T, B); | |
45 | ||
46 | #ifdef DEBUG | |
47 | printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); | |
48 | #endif | |
49 | ||
d2b194ed KG |
50 | __FP_PACK_DS(frD, R); |
51 | ||
52 | return FP_CUR_EXCEPTIONS; | |
1da177e4 | 53 | } |