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/* PR rtl-optimization/52060 */
/* { dg-do run { target int32plus } } */
extern void abort (void);
union U { float f; unsigned int i; };
static inline __attribute__((always_inline)) unsigned int
foo (float x)
{
union U u;
unsigned int a, b, c;
int d;
int e;
u.f = x;
d = ((unsigned) u.i >> 23) & 0xFF;
c = d < 126 ? 0 : ~0;
e = 127 + 30 - d;
a = (u.i << 8) | 0x80000000U;
b = a & ((1 << e) - 1);
a = a >> e;
c &= (b | (a & 2)) ? ~0 : ~1;
a = ((a + 1U) >> 1) & c;
return a;
}
__attribute__((noinline)) unsigned int
bar (float x)
{
unsigned int a, b, c;
static const unsigned int d[128] =
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 6, 7
};
a = foo (1048575.0f * x);
c = d[a >> 13];
b = (c << 13) | ((a >> (7 - c)) & 0x1fff);
return b;
}
int
main ()
{
union U u;
u.f = 1048575.0f;
if (sizeof (u.i) == sizeof (u.f)
&& u.i == 0x497ffff0U
&& bar (1.0f) != 65535)
abort ();
return 0;
}
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