modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/990523-1.c (about)

     1  extern float  decwin[512+32];
     2  
     3  int synth_1to1(float  *bandPtr,int channel,unsigned char *out,int *pnt)
     4  {
     5    static const int step = 2;
     6    short *samples = (short *) (out+*pnt);
     7  
     8    float  *b0;
     9    int clip = 0; 
    10    int bo1;
    11  
    12    {
    13      register int j;
    14      float  *window = decwin + 16 - bo1;
    15      for (j=15;j;j--,b0-=0x20,window-=0x10,samples+=step)
    16      {
    17        float  sum;
    18        sum -= *(--window) * *b0++;
    19        sum -= *(--window) * *b0++;
    20        sum -= *(--window) * *b0++;
    21        sum -= *(--window) * *b0++;
    22        sum -= *(--window) * *b0++;
    23        sum -= *(--window) * *b0++;
    24        sum -= *(--window) * *b0++;
    25        sum -= *(--window) * *b0++;
    26  
    27        if( ( sum ) > 32767.0) *( samples ) = 0x7fff; ( clip )++;  ;
    28      }
    29    }
    30  }