Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/20180112-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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/* PR rtl-optimization/83565 */ /* Testcase by Sergei Trofimovich <slyfox@inbox.ru> */ extern void abort (void); typedef __UINT32_TYPE__ u32; u32 bug (u32 * result) __attribute__((noinline)); u32 bug (u32 * result) { volatile u32 ss = 0xFFFFffff; volatile u32 d = 0xEEEEeeee; u32 tt = d & 0x00800000; u32 r = tt << 8; r = (r >> 31) | (r << 1); u32 u = r^ss; u32 off = u >> 1; *result = tt; return off; } int main(void) { u32 l; u32 off = bug(&l); if (off != 0x7fffffff) abort (); return 0; }