Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/compile/pr43415.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-stack-size "256*8+4" } */ int main() { unsigned long long table[256]; unsigned int i; for (i=0; i<256; ++i) { unsigned long long j; unsigned char x=i; for (j=0; j<5; ++j) { x += x<<1; x ^= x>>1; } for (j=0; j<5; ++j) { x += x<<1; x ^= x>>1; } for (j=0; j<5; ++j) { x += x<<1; x ^= x>>1; } for (j=0; j<5; ++j) { x += x<<1; x ^= x>>1; } for (j=0; j<5; ++j) { x += x<<1; x ^= x>>1; } table[i] ^= (((unsigned long long)x)<<16); } for (i=0; i<256; ++i) { if ((table[i]&0xff)==i) return 1; } return 0; }