LXR 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)
  25extern 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