tests/tcg/mips/mips64-dspr2/mulq_rs_w.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 = 0x80001234;
   9     rt = 0x80004321;
  10     result = 0xFFFFFFFF80005555;
  11
  12     __asm
  13         ("mulq_rs.w %0, %1, %2\n\t"
  14          : "=r"(rd)
  15          : "r"(rs), "r"(rt)
  16         );
  17     if (rd != result) {
  18         printf("mulq_rs.w error!\n");
  19         return -1;
  20     }
  21
  22     rs = 0x80000000;
  23     rt = 0x80000000;
  24     result = 0x7FFFFFFF;
  25     resultdsp = 1;
  26
  27     __asm
  28         ("mulq_rs.w %0, %2, %3\n\t"
  29          "rddsp %1\n\t"
  30          : "=r"(rd), "=r"(dsp)
  31          : "r"(rs), "r"(rt)
  32         );
  33     dsp = (dsp >> 21) & 0x01;
  34     if (rd != result || dsp != resultdsp) {
  35         printf("mulq_rs.w error\n");
  36         return -1;
  37     }
  38
  39     return 0;
  40 }