tests/tcg/mips/mips32-dspr2/mul_s_ph.c

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int main()
   5 {
   6     int rd, rs, rt, dsp;
   7     int result, resultdsp;
   8
   9     rs = 0x03FB1234;
  10     rt = 0x0BCC4321;
  11     result = 0x7fff7FFF;
  12     resultdsp = 1;
  13
  14     __asm
  15         ("mul_s.ph %0, %2, %3\n\t"
  16          "rddsp %1\n\t"
  17          : "=r"(rd), "=r"(dsp)
  18          : "r"(rs), "r"(rt)
  19         );
  20     dsp = (dsp >> 21) & 0x01;
  21     assert(rd  == result);
  22     assert(dsp == resultdsp);
  23
  24     rs = 0x7fffff00;
  25     rt = 0xff007fff;
  26     result = 0x80008000;
  27     resultdsp = 1;
  28
  29     __asm
  30         ("mul_s.ph %0, %2, %3\n\t"
  31          "rddsp %1\n\t"
  32          : "=r"(rd), "=r"(dsp)
  33          : "r"(rs), "r"(rt)
  34         );
  35     dsp = (dsp >> 21) & 0x01;
  36     assert(rd  == result);
  37     assert(dsp == resultdsp);
  38
  39     dsp = 0;
  40     __asm
  41         ("wrdsp %0\n\t"
  42          :
  43          : "r"(dsp)
  44         );
  45
  46     rs = 0x00320001;
  47     rt = 0x00210002;
  48     result = 0x06720002;
  49     resultdsp = 0;
  50
  51     __asm
  52         ("mul_s.ph %0, %2, %3\n\t"
  53          "rddsp %1\n\t"
  54          : "=r"(rd), "=r"(dsp)
  55          : "r"(rs), "r"(rt)
  56         );
  57     dsp = (dsp >> 21) & 0x01;
  58     assert(rd  == result);
  59     assert(dsp == resultdsp);
  60
  61     return 0;
  62 }