LXR qemu/tests/tcg/mips/mips32-dsp/msub.c

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int achi, acli, rs, rt;
   7    int acho, aclo;
   8    int resulth, resultl;
   9
  10    rs      = 0x00BBAACC;
  11    rt      = 0x0B1C3D2F;
  12    achi    = 0x00004433;
  13    acli    = 0xFFCC0011;
  14    resulth = 0xFFF81F29;
  15    resultl = 0xB355089D;
  16
  17    __asm
  18        ("mthi %2, $ac1\n\t"
  19         "mtlo %3, $ac1\n\t"
  20         "msub $ac1, %4, %5\n\t"
  21         "mfhi %0, $ac1\n\t"
  22         "mflo %1, $ac1\n\t"
  23         : "=r"(acho), "=r"(aclo)
  24         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
  25        );
  26    assert(acho == resulth);
  27    assert(aclo == resultl);
  28
  29    return 0;
  30}
  31