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

   1 #include "io.h"
   2
   3 int 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 }