tests/tcg/mips/mips64-dspr2/mul_ph.c

   1 #include"io.h"
   2
   3 int main(void)
   4 {
   5     long long rd, rs, rt, dsp;
   6     long long result, resultdsp;
   7
   8     rs = 0x03FB1234;
   9     rt = 0x0BCC4321;
  10     result = 0xFFFFFFFFF504F4B4;
  11     resultdsp = 1;
  12
  13     __asm
  14         ("mul.ph %0, %2, %3\n\t"
  15          "rddsp %1\n\t"
  16          : "=r"(rd), "=r"(dsp)
  17          : "r"(rs), "r"(rt)
  18         );
  19     dsp = (dsp >> 21) & 0x01;
  20     if (rd  != result || dsp != resultdsp) {
  21         printf("mul.ph wrong\n");
  22         return -1;
  23     }
  24
  25     dsp = 0;
  26     __asm
  27         ("wrdsp %0\n\t"
  28          :
  29          : "r"(dsp)
  30         );
  31
  32     rs = 0x00210010;
  33     rt = 0x00110005;
  34     result = 0x2310050;
  35     resultdsp = 0;
  36
  37     __asm
  38         ("mul.ph %0, %2, %3\n\t"
  39          "rddsp %1\n\t"
  40          : "=r"(rd), "=r"(dsp)
  41          : "r"(rs), "r"(rt)
  42         );
  43     dsp = (dsp >> 21) & 0x01;
  44     if (rd  != result || dsp != resultdsp) {
  45         printf("mul.ph wrong\n");
  46         return -1;
  47     }
  48
  49     return 0;
  50 }