LXR qemu/tests/tcg/mips/mips64-dsp/msub.c

   1#include "io.h"
   2
   3int main(void)
   4{
   5    long long achi, acli, rs, rt;
   6    long long acho, aclo;
   7    long long resulth, resultl;
   8
   9    rs      = 0x00BBAACC;
  10    rt      = 0x0B1C3D2F;
  11    achi    = 0x00004433;
  12    acli    = 0xFFCC0011;
  13    resulth = 0xFFFFFFFFFFF81F29;
  14    resultl = 0xFFFFFFFFB355089D;
  15
  16    __asm
  17        ("mthi %2, $ac1\n\t"
  18         "mtlo %3, $ac1\n\t"
  19         "msub $ac1, %4, %5\n\t"
  20         "mfhi %0, $ac1\n\t"
  21         "mflo %1, $ac1\n\t"
  22         : "=r"(acho), "=r"(aclo)
  23         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
  24        );
  25    if ((acho != resulth) || (aclo != resultl)) {
  26        printf("msub wrong\n");
  27
  28        return -1;
  29    }
  30
  31    return 0;
  32}
  33