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