root/arch/alpha/math-emu/sfp-util.h

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INCLUDED FROM

   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)
  26 extern 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
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