LXR qemu/tests/tcg/mips/mips64-dsp/addwc.c

   1#include "io.h"
   2
   3int main(void)
   4{
   5    long long rd, rs, rt;
   6    long long dspi, dspo;
   7    long long result;
   8
   9    rs     = 0x10FF01FF;
  10    rt     = 0x10010001;
  11    dspi   = 0x00002000;
  12    result = 0x21000201;
  13    __asm
  14        ("wrdsp %3\n"
  15         "addwc %0, %1, %2\n\t"
  16         : "=r"(rd)
  17         : "r"(rs), "r"(rt), "r"(dspi)
  18        );
  19    if (rd != result) {
  20        printf("1 addwc wrong\n");
  21
  22        return -1;
  23    }
  24
  25    rs     = 0xFFFF1111;
  26    rt     = 0x00020001;
  27    dspi   = 0x00;
  28    result = 0x00011112;
  29    __asm
  30        ("wrdsp %3\n"
  31         "addwc %0, %1, %2\n\t"
  32         : "=r"(rd)
  33         : "r"(rs), "r"(rt), "r"(dspi)
  34        );
  35    if (rd != result) {
  36        printf("2 addwc wrong\n");
  37
  38        return -1;
  39    }
  40
  41    rs     = 0x8FFF1111;
  42    rt     = 0x80020001;
  43    dspi   = 0x00;
  44    result = 0x10011112;
  45    __asm
  46        ("wrdsp %4\n"
  47         "addwc %0, %2, %3\n\t"
  48         "rddsp %1\n\t"
  49         : "=r"(rd), "=r"(dspo)
  50         : "r"(rs), "r"(rt), "r"(dspi)
  51        );
  52    if ((rd != result) || (((dspo >> 20) & 0x01) != 1)) {
  53        printf("3 addwc wrong\n");
  54
  55        return -1;
  56    }
  57
  58    return 0;
  59}
  60