LXR qemu/tests/tcg/mips/user/ase/dsp/test_dsp_r1_mulq_rs

   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 = 0x7FFF098C;
  12    resultdsp = 1;
  13
  14    __asm
  15        ("wrdsp $0\n\t"
  16         "mulq_rs.ph %0, %2, %3\n\t"
  17         "rddsp %1\n\t"
  18         : "=r"(rd), "=r"(dsp)
  19         : "r"(rs), "r"(rt)
  20        );
  21    dsp = (dsp >> 21) & 0x01;
  22    assert(rd  == result);
  23    assert(dsp == resultdsp);
  24
  25    rs = 0x80011234;
  26    rt = 0x80024321;
  27    result = 0x7FFD098C;
  28    resultdsp = 0;
  29
  30    __asm
  31        ("wrdsp $0\n\t"
  32         "mulq_rs.ph %0, %2, %3\n\t"
  33         "rddsp %1\n\t"
  34         : "=r"(rd), "=r"(dsp)
  35         : "r"(rs), "r"(rt)
  36        );
  37    dsp = (dsp >> 21) & 0x01;
  38    assert(rd  == result);
  39    assert(dsp == resultdsp);
  40
  41    return 0;
  42}
  43