File: /usr/src/linux/arch/alpha/math-emu/sfp-util.h

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
36