1 /* { dg-require-stack-size "256*8+4" } */ 2 main()3int main() 4 { 5 unsigned long long table[256]; 6 unsigned int i; 7 for (i=0; i<256; ++i) { 8 unsigned long long j; 9 unsigned char x=i; 10 for (j=0; j<5; ++j) { 11 x += x<<1; 12 x ^= x>>1; 13 } 14 for (j=0; j<5; ++j) { 15 x += x<<1; 16 x ^= x>>1; 17 } 18 for (j=0; j<5; ++j) { 19 x += x<<1; 20 x ^= x>>1; 21 } 22 for (j=0; j<5; ++j) { 23 x += x<<1; 24 x ^= x>>1; 25 } 26 for (j=0; j<5; ++j) { 27 x += x<<1; 28 x ^= x>>1; 29 } 30 table[i] ^= (((unsigned long long)x)<<16); 31 } 32 for (i=0; i<256; ++i) { 33 if ((table[i]&0xff)==i) 34 return 1; 35 } 36 return 0; 37 } 38 39