blob: 7cc1b8f57b9b0209808f9c34fb14914b404aa28e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/* PR target/80706 */
/* { dg-do run { target sse2_runtime } } */
/* { dg-options "-O2 -msse2" } */
union U { double value; struct S { int lsw; int msw; } parts; };
__attribute__((noinline, noclone)) double
foo (void)
{
__asm volatile ("" : : : "memory");
return 2.0;
}
__attribute__((noinline, noclone)) double
bar (void)
{
double s = foo ();
union U z;
z.value = s;
z.parts.lsw = 0;
return z.value * z.value + s * s;
}
int
main ()
{
if (bar () != 8.0)
__builtin_abort ();
return 0;
}
|