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

   1#include "io.h"
   2
   3int main(void)
   4{
   5    long long rt, dsp;
   6    long long achi, acli;
   7    long long res, resdsp;
   8
   9    achi = 0x87654321;
  10    acli = 0x12345678;
  11
  12    res = 0x123456;
  13    resdsp = 0x01;
  14
  15    __asm
  16        ("mthi %2, $ac1\n\t"
  17         "mtlo %3, $ac1\n\t"
  18         "dextr_r.w %0, $ac1, 0x8\n\t"
  19         "rddsp %1\n\t"
  20         : "=r"(rt), "=r"(dsp)
  21         : "r"(achi), "r"(acli)
  22        );
  23
  24    dsp = (dsp >> 23) & 0x1;
  25
  26    if ((dsp != resdsp) || (rt != res)) {
  27        printf("dextr_r.w error\n");
  28        return -1;
  29    }
  30
  31    achi = 0x87654321;
  32    acli = 0x12345678;
  33
  34    res = 0x12345678;
  35    resdsp = 0x01;
  36
  37    __asm
  38        ("mthi %2, $ac1\n\t"
  39         "mtlo %3, $ac1\n\t"
  40         "dextr_r.w %0, $ac1, 0x0\n\t"
  41         "rddsp %1\n\t"
  42         : "=r"(rt), "=r"(dsp)
  43         : "r"(achi), "r"(acli)
  44        );
  45
  46    dsp = (dsp >> 23) & 0x1;
  47
  48    if ((dsp != resdsp) || (rt != res)) {
  49        printf("dextr_r.w error\n");
  50        return -1;
  51    }
  52
  53    return 0;
  54}
  55