tests/tcg/mips/mips32-dsp/shll_ph.c

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int 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 }