[mirror_ubuntu-zesty-kernel.git] / arch / alpha / math-emu / sfp-util.h

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm/fpu.h>

#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
  ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))

#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
  ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))

#define umul_ppmm(wh, wl, u, v)			\
  __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0"	\
	   : "=r" ((UDItype)(wh)),		\
	     "=&r" ((UDItype)(wl))		\
	   : "r" ((UDItype)(u)),		\
	     "r" ((UDItype)(v)))

#define udiv_qrnnd(q, r, n1, n0, d)				\
  do { unsigned long __r;					\
    (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));			\
    (r) = __r;							\
  } while (0)
extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
				   unsigned long , unsigned long);

#define UDIV_NEEDS_NORMALIZATION 1  

#define abort()			goto bad_insn

#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN -1
#endif
#define __BYTE_ORDER __LITTLE_ENDIAN
Commit	Line	Data
1da177e4 LT	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
13da9e20 LT	31
	32	#ifndef __LITTLE_ENDIAN
	33	#define __LITTLE_ENDIAN -1
	34	#endif
	35	#define __BYTE_ORDER __LITTLE_ENDIAN