Viewing file:  pr85582-3.c (1.57 KB) -rw-r--r--
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/* PR target/85582 */
#ifdef __SIZEOF_INT128__
typedef __int128 S;
typedef unsigned __int128 U;
#else
typedef long long S;
typedef unsigned long long U;
#endif
__attribute__((noipa)) U
f1 (U x, int y)
{
return x << (y & -2);
}
__attribute__((noipa)) S
f2 (S x, int y)
{
return x >> (y & -2);
}
__attribute__((noipa)) U
f3 (U x, int y)
{
return x >> (y & -2);
}
int
main ()
{
U a = (U) 1 << (sizeof (U) * __CHAR_BIT__ - 7);
if (f1 (a, 5) != ((U) 1 << (sizeof (S) * __CHAR_BIT__ - 3)))
__builtin_abort ();
S b = (U) 0x101 << (sizeof (S) * __CHAR_BIT__ / 2 - 7);
if (f1 (b, sizeof (S) * __CHAR_BIT__ / 2) != (U) 0x101 << (sizeof (S) * __CHAR_BIT__ - 7))
__builtin_abort ();
if (f1 (b, sizeof (S) * __CHAR_BIT__ / 2 + 2) != (U) 0x101 << (sizeof (S) * __CHAR_BIT__ - 5))
__builtin_abort ();
S c = (U) 1 << (sizeof (S) * __CHAR_BIT__ - 1);
if ((U) f2 (c, 5) != ((U) 0x1f << (sizeof (S) * __CHAR_BIT__ - 5)))
__builtin_abort ();
if ((U) f2 (c, sizeof (S) * __CHAR_BIT__ / 2) != ((U) -1 << (sizeof (S) * __CHAR_BIT__ / 2 - 1)))
__builtin_abort ();
if ((U) f2 (c, sizeof (S) * __CHAR_BIT__ / 2 + 2) != ((U) -1 << (sizeof (S) * __CHAR_BIT__ / 2 - 3)))
__builtin_abort ();
U d = (U) 1 << (sizeof (S) * __CHAR_BIT__ - 1);
if (f3 (c, 5) != ((U) 0x1 << (sizeof (S) * __CHAR_BIT__ - 5)))
__builtin_abort ();
if (f3 (c, sizeof (S) * __CHAR_BIT__ / 2) != ((U) 1 << (sizeof (S) * __CHAR_BIT__ / 2 - 1)))
__builtin_abort ();
if (f3 (c, sizeof (S) * __CHAR_BIT__ / 2 + 2) != ((U) 1 << (sizeof (S) * __CHAR_BIT__ / 2 - 3)))
__builtin_abort ();
return 0;
}
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