LXR qemu/tests/tcg/mips/mips32-dsp/shll

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int rd, rt, dsp;
   7    int result, resultdsp;
   8
   9    rt        = 0x12345678;
  10    result    = 0xA000C000;
  11    resultdsp = 1;
  12
  13    __asm
  14        ("wrdsp $0\n\t"
  15         "shll.ph %0, %2, 0x0B\n\t"
  16         "rddsp %1\n\t"
  17         : "=r"(rd), "=r"(dsp)
  18         : "r"(rt)
  19        );
  20    dsp = (dsp >> 22) & 0x01;
  21    assert(dsp == resultdsp);
  22    assert(rd  == result);
  23
  24    rt        = 0x7fff8000;
  25    result    = 0xfffe0000;
  26    resultdsp = 1;
  27
  28    __asm
  29        ("wrdsp $0\n\t"
  30         "shll.ph %0, %2, 0x01\n\t"
  31         "rddsp %1\n\t"
  32         : "=r"(rd), "=r"(dsp)
  33         : "r"(rt)
  34        );
  35    dsp = (dsp >> 22) & 0x01;
  36    assert(dsp == resultdsp);
  37    assert(rd  == result);
  38
  39    rt        = 0x00000001;
  40    result    = 0x00008000;
  41    resultdsp = 1;
  42
  43    __asm
  44        ("wrdsp $0\n\t"
  45         "shll.ph %0, %2, 0x0F\n\t"
  46         "rddsp %1\n\t"
  47         : "=r"(rd), "=r"(dsp)
  48         : "r"(rt)
  49        );
  50    dsp = (dsp >> 22) & 0x01;
  51    assert(dsp == resultdsp);
  52    assert(rd  == result);
  53
  54    return 0;
  55}
  56