diff options
Diffstat (limited to 'arch/powerpc/math-emu/fadds.c')
-rw-r--r-- | arch/powerpc/math-emu/fadds.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/powerpc/math-emu/fadds.c b/arch/powerpc/math-emu/fadds.c new file mode 100644 index 000000000000..93025b6c8f3c --- /dev/null +++ b/arch/powerpc/math-emu/fadds.c | |||
@@ -0,0 +1,39 @@ | |||
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 | #include "single.h" | ||
8 | |||
9 | int | ||
10 | fadds(void *frD, void *frA, void *frB) | ||
11 | { | ||
12 | FP_DECL_D(A); | ||
13 | FP_DECL_D(B); | ||
14 | FP_DECL_D(R); | ||
15 | int ret = 0; | ||
16 | |||
17 | #ifdef DEBUG | ||
18 | printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); | ||
19 | #endif | ||
20 | |||
21 | __FP_UNPACK_D(A, frA); | ||
22 | __FP_UNPACK_D(B, frB); | ||
23 | |||
24 | #ifdef DEBUG | ||
25 | printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); | ||
26 | printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); | ||
27 | #endif | ||
28 | |||
29 | if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) | ||
30 | ret |= EFLAG_VXISI; | ||
31 | |||
32 | FP_ADD_D(R, A, B); | ||
33 | |||
34 | #ifdef DEBUG | ||
35 | printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); | ||
36 | #endif | ||
37 | |||
38 | return (ret | __FP_PACK_DS(frD, R)); | ||
39 | } | ||