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

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int main()
   5 {
   6     int rs, rt, dsp;
   7     int ach = 0, acl = 0;
   8     int resulth, resultl, resultdsp;
   9
  10     rs        = 0x80000000;
  11     rt        = 0x80000000;
  12     resulth   = 0x7FFFFFFF;
  13     resultl   = 0xFFFFFFFF;
  14     resultdsp = 0x01;
  15     __asm
  16         ("mthi        %0, $ac1\n\t"
  17          "mtlo        %0, $ac1\n\t"
  18          "dpaq_sa.l.w $ac1, %3, %4\n\t"
  19          "mfhi        %0,   $ac1\n\t"
  20          "mflo        %1,   $ac1\n\t"
  21          "rddsp       %2\n\t"
  22          : "+r"(ach), "+r"(acl), "=r"(dsp)
  23          : "r"(rs), "r"(rt)
  24         );
  25     dsp = (dsp >> 17) & 0x01;
  26     assert(dsp == resultdsp);
  27     assert(ach == resulth);
  28     assert(acl == resultl);
  29
  30     ach = 0x12;
  31     acl = 0x48;
  32     rs  = 0x80000000;
  33     rt  = 0x80000000;
  34
  35     resulth   = 0x7FFFFFFF;
  36     resultl   = 0xFFFFFFFF;
  37     resultdsp = 0x01;
  38     __asm
  39         ("mthi        %0, $ac1\n\t"
  40          "mtlo        %0, $ac1\n\t"
  41          "dpaq_sa.l.w $ac1, %3, %4\n\t"
  42          "mfhi        %0,   $ac1\n\t"
  43          "mflo        %1,   $ac1\n\t"
  44          "rddsp       %2\n\t"
  45          : "+r"(ach), "+r"(acl), "=r"(dsp)
  46          : "r"(rs), "r"(rt)
  47         );
  48     dsp = (dsp >> 17) & 0x01;
  49     assert(dsp == resultdsp);
  50     assert(ach == resulth);
  51     assert(acl == resultl);
  52
  53     ach = 0x741532A0;
  54     acl = 0xfceabb08;
  55     rs  = 0x80000000;
  56     rt  = 0x80000000;
  57
  58     resulth   = 0x7fffffff;
  59     resultl   = 0xffffffff;
  60     resultdsp = 0x01;
  61     __asm
  62         ("mthi        %0, $ac1\n\t"
  63          "mtlo        %0, $ac1\n\t"
  64          "dpaq_sa.l.w $ac1, %3, %4\n\t"
  65          "mfhi        %0,   $ac1\n\t"
  66          "mflo        %1,   $ac1\n\t"
  67          "rddsp       %2\n\t"
  68          : "+r"(ach), "+r"(acl), "=r"(dsp)
  69          : "r"(rs), "r"(rt)
  70         );
  71     dsp = (dsp >> 17) & 0x01;
  72     assert(dsp == resultdsp);
  73     assert(ach == resulth);
  74     assert(acl == resultl);
  75
  76     return 0;
  77 }