LXR linux/arch/alpha/math-emu/sfp-util.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#include <linux/kernel.h>
   3#include <linux/sched.h>
   4#include <linux/types.h>
   5#include <asm/byteorder.h>
   6#include <asm/fpu.h>
   7
   8#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
   9  ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))
  10
  11#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
  12  ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))
  13
  14#define umul_ppmm(wh, wl, u, v)                 \
  15  __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0"      \
  16           : "=r" ((UDItype)(wh)),              \
  17             "=&r" ((UDItype)(wl))              \
  18           : "r" ((UDItype)(u)),                \
  19             "r" ((UDItype)(v)))
  20
  21#define udiv_qrnnd(q, r, n1, n0, d)                             \
  22  do { unsigned long __r;                                       \
  23    (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));                 \
  24    (r) = __r;                                                  \
  25  } while (0)
  26extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
  27                                   unsigned long , unsigned long);
  28
  29#define UDIV_NEEDS_NORMALIZATION 1  
  30
  31#define abort()                 goto bad_insn
  32
  33#ifndef __LITTLE_ENDIAN
  34#define __LITTLE_ENDIAN -1
  35#endif
  36#define __BYTE_ORDER __LITTLE_ENDIAN
  37