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

   1#include "io.h"
   2
   3int 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}
  60