blob: c18033f3d08579eee83684bef908842cb3c34926 [file] [log] [blame]
/* PR optimization/6842
This testcase caused ICE when trying to optimize V8QI subreg of VOIDmode
CONST_DOUBLE. */
/* { dg-do compile { target i?86-*-* } } */
/* { dg-options "-O2 -mmmx" } */
typedef int __v8qi __attribute__ ((__mode__ (__V8QI__)));
extern void abort (void);
extern void exit (int);
void foo (void)
{
unsigned long long a = 0x0102030405060708LL;
unsigned long long b = 0x1020304050607080LL;
unsigned long long c;
c = (unsigned long long) __builtin_ia32_paddusb ((__v8qi) a, (__v8qi) b);
__builtin_ia32_emms ();
if (c != 0x1122334455667788LL)
abort ();
}