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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rs, rt, dsp;
   6     long long ach = 5, acl = 5;
   7     long long resulth, resultl, resultdsp;
   8
   9     rs = 0xBC0123AD;
  10     rt = 0x01643721;
  11
  12     resulth = 0xfffffffffdf4cbe0;
  13     resultl = 0xFFFFFFFFd138776b;
  14     resultdsp = 0x00;
  15     __asm
  16         ("mthi  %0, $ac1\n\t"
  17          "mtlo  %1, $ac1\n\t"
  18          "dpsq_sa.l.w $ac1, %3, %4\n\t"
  19          "mfhi  %0, $ac1\n\t"
  20          "mflo  %1, $ac1\n\t"
  21          "rddsp %2\n\t"
  22          : "+r"(ach), "+r"(acl), "=r"(dsp)
  23          : "r"(rs), "r"(rt)
  24         );
  25     dsp = (dsp >> 17) & 0x01;
  26     if ((dsp != resultdsp) || (ach != resulth) || (acl != resultl)) {
  27         printf("1 dpsq_sa.l.w wrong\n");
  28
  29         return -1;
  30     }
  31
  32     ach = 0x54321123;
  33     acl = 5;
  34     rs = 0x80000000;
  35     rt = 0x80000000;
  36
  37     resulth = 0xffffffffd4321123;
  38     resultl = 0x06;
  39     resultdsp = 0x01;
  40
  41     __asm
  42         ("mthi  %0, $ac1\n\t"
  43          "mtlo  %1, $ac1\n\t"
  44          "dpsq_sa.l.w $ac1, %3, %4\n\t"
  45          "mfhi  %0, $ac1\n\t"
  46          "mflo  %1, $ac1\n\t"
  47          "rddsp %2\n\t"
  48          : "+r"(ach), "+r"(acl), "=r"(dsp)
  49          : "r"(rs), "r"(rt)
  50         );
  51     dsp = (dsp >> 17) & 0x01;
  52     if ((dsp != resultdsp) || (ach != resulth) || (acl != resultl)) {
  53         printf("2 dpsq_sa.l.w wrong\n");
  54
  55         return -1;
  56     }
  57
  58     return 0;
  59 }