URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [opt/] [cse2.C] - Rev 316
Go to most recent revision | Compare with Previous | Blame | View Log
// This testcase caused ICE on IA-32 in simplify_unary_operation
// CSE did not assume SUBREGs changing mode from integral to floating.
// { dg-do run { target i?86-*-* sparc*-*-* x86_64-*-* } }
// { dg-options "-O2" }
struct A
{
union
{
float f;
unsigned int w;
} a;
static inline const A foo (void)
{
return A ((unsigned int) (__extension__ ((union { unsigned l; float d; })
{ l: 0x3f800000 }).d));
}
inline A (float f) { a.f = f; }
A ();
inline A (unsigned int w) { a.w = w; }
};
A::A()
{
*this = foo ();
}
A a;
extern "C" void abort (void);
extern "C" void exit (int);
int main ()
{
if (a.a.w != 1)
abort ();
exit (0);
}
Go to most recent revision | Compare with Previous | Blame | View Log