LXR qemu/tests/tcg/mips/mips64-dsp/extr_r

   1#include "io.h"
   2
   3int main(void)
   4{
   5    long long rt, ach, acl, dsp;
   6    long long result;
   7
   8    ach = 0x05;
   9    acl = 0xB4CB;
  10    result = 0xFFFFFFFFA0001699;
  11    __asm
  12        ("mthi %2, $ac1\n\t"
  13         "mtlo %3, $ac1\n\t"
  14         "extr_r.w %0, $ac1, 0x03\n\t"
  15         "rddsp %1\n\t"
  16         : "=r"(rt), "=r"(dsp)
  17         : "r"(ach), "r"(acl)
  18        );
  19    dsp = (dsp >> 23) & 0x01;
  20    if ((dsp != 1) || (result != rt)) {
  21        printf("1 extr_r.w wrong\n");
  22
  23        return -1;
  24    }
  25
  26    /* Clear dspcontrol */
  27    dsp = 0;
  28    __asm
  29        ("wrdsp %0\n\t"
  30         :
  31         : "r"(dsp)
  32        );
  33
  34    ach = 0x01;
  35    acl = 0xB4CB;
  36    result = 0x10000B4D;
  37    __asm
  38        ("mthi %2, $ac1\n\t"
  39         "mtlo %3, $ac1\n\t"
  40         "extr_r.w %0, $ac1, 0x04\n\t"
  41         "rddsp %1\n\t"
  42         : "=r"(rt), "=r"(dsp)
  43         : "r"(ach), "r"(acl)
  44        );
  45    dsp = (dsp >> 23) & 0x01;
  46    if ((dsp != 0) || (result != rt)) {
  47        printf("2 extr_r.w wrong\n");
  48
  49        return -1;
  50    }
  51
  52    return 0;
  53}
  54