diff options
Diffstat (limited to 'arch/alpha/math-emu/sfp-util.h')
-rw-r--r-- | arch/alpha/math-emu/sfp-util.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/alpha/math-emu/sfp-util.h b/arch/alpha/math-emu/sfp-util.h new file mode 100644 index 00000000000..f53707f7745 --- /dev/null +++ b/arch/alpha/math-emu/sfp-util.h | |||
@@ -0,0 +1,35 @@ | |||
1 | #include <linux/kernel.h> | ||
2 | #include <linux/sched.h> | ||
3 | #include <linux/types.h> | ||
4 | #include <asm/byteorder.h> | ||
5 | #include <asm/fpu.h> | ||
6 | |||
7 | #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ | ||
8 | ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al))) | ||
9 | |||
10 | #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ | ||
11 | ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl))) | ||
12 | |||
13 | #define umul_ppmm(wh, wl, u, v) \ | ||
14 | __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \ | ||
15 | : "=r" ((UDItype)(wh)), \ | ||
16 | "=&r" ((UDItype)(wl)) \ | ||
17 | : "r" ((UDItype)(u)), \ | ||
18 | "r" ((UDItype)(v))) | ||
19 | |||
20 | #define udiv_qrnnd(q, r, n1, n0, d) \ | ||
21 | do { unsigned long __r; \ | ||
22 | (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ | ||
23 | (r) = __r; \ | ||
24 | } while (0) | ||
25 | extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, | ||
26 | unsigned long , unsigned long); | ||
27 | |||
28 | #define UDIV_NEEDS_NORMALIZATION 1 | ||
29 | |||
30 | #define abort() goto bad_insn | ||
31 | |||
32 | #ifndef __LITTLE_ENDIAN | ||
33 | #define __LITTLE_ENDIAN -1 | ||
34 | #endif | ||
35 | #define __BYTE_ORDER __LITTLE_ENDIAN | ||