LXR qemu/tests/tcg/mips/mips32-dspr2/mulq_s

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int rd, rs, rt, dsp;
   7    int result, resultdsp;
   8
   9    rs = 0x80001234;
  10    rt = 0x80004321;
  11    result = 0x7FFFAAAB;
  12
  13    __asm
  14        ("mulq_s.w %0, %1, %2\n\t"
  15         : "=r"(rd)
  16         : "r"(rs), "r"(rt)
  17        );
  18    assert(rd  == result);
  19
  20    rs = 0x80000000;
  21    rt = 0x80000000;
  22    result = 0x7FFFFFFF;
  23    resultdsp = 1;
  24
  25    __asm
  26        ("mulq_s.w %0, %2, %3\n\t"
  27         "rddsp %1\n\t"
  28         : "=r"(rd), "=r"(dsp)
  29         : "r"(rs), "r"(rt)
  30        );
  31    dsp = (dsp >> 21) & 0x01;
  32    assert(rd  == result);
  33    assert(dsp == resultdsp);
  34
  35    return 0;
  36}
  37