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view gcc/testsuite/gcc.dg/pr69047.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-cddce1" } */

__UINT8_TYPE__
f(__UINT16_TYPE__ b)
{
  __UINT8_TYPE__ a;
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  __builtin_memcpy(&a, &b, sizeof a);
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  __builtin_memcpy(&a, (char *)&b + sizeof a, sizeof a);
#else
  a = b;
#endif
  return a;
}

/* { dg-final { scan-tree-dump "_\[0-9\]+ = \\(\[^)\]+\\) b" "cddce1" } } */