gcc/testsuite/gcc.c-torture/compile/920611-2.c

   1 typedef unsigned char uchar;
   2 typedef unsigned short ushort;
   3 typedef unsigned int uint;
   4 typedef unsigned long ulong;
   5
   6 static unsigned long S[1][1]={0x00820200};
   7
   8 static int body(out0,out1,ks,Eswap0,Eswap1)
   9 ulong *out0,*out1;
  10 int *ks;
  11 ulong Eswap0,Eswap1;
  12 {
  13   register unsigned long l,r,t,u,v;
  14   register unsigned long *s;
  15   register int i,j;
  16   register unsigned long E0,E1;
  17
  18   l=0;
  19   r=0;
  20
  21   s=(ulong *)ks;
  22   E0=Eswap0;
  23   E1=Eswap1;
  24
  25   for (i=0; i<(16 *2); i+=4)
  26     {
  27       v=(r^(r>>16));
  28       u=(v&E0);
  29       v=(v&E1);
  30       u=(u^(u<<16))^r^s[  i  ];
  31       t=(v^(v<<16))^r^s[  i+1];
  32       t=(t>>4)|(t<<28);
  33       l^=S[1][(t)&0x3f]| S[3][(t>> 8)&0x3f]| S[5][(t>>16)&0x3f]| S[7][(t>>24)&0x3f]| S[0][(u)&0x3f]| S[2][(u>> 8)&0x3f]| S[4][(u>>16)&0x3f]| S[6][(u>>24)&0x3f];
  34       v=(l^(l>>16));
  35       u=(v&E0);
  36       v=(v&E1);
  37       u=(u^(u<<16))^l^s[  i+2  ];
  38       t=(v^(v<<16))^l^s[  i+2+1];
  39       t=(t>>4)|(t<<28);
  40       r^=       S[1][(t    )&0x3f];
  41     }
  42   t=l;
  43   l=r;
  44   r=t;
  45
  46   t=r;
  47   r=(l>>1)|(l<<31);
  48   l=(t>>1)|(t<<31);
  49
  50   *out0=l;
  51   *out1=r;
  52   return(0);
  53 }