1/* PR optimization/6842 2 This testcase caused ICE when trying to optimize V8QI subreg of VOIDmode 3 CONST_DOUBLE. */ 4/* { dg-do compile } */ 5/* { dg-options "-O2 -mmmx" } */ 6 7typedef char __v8qi __attribute__ ((vector_size (8))); 8extern void abort (void); 9extern void exit (int); 10 11void foo (void) 12{ 13 unsigned long long a = 0x0102030405060708LL; 14 unsigned long long b = 0x1020304050607080LL; 15 unsigned long long c; 16 17 c = (unsigned long long) __builtin_ia32_paddusb ((__v8qi) a, (__v8qi) b); 18 __builtin_ia32_emms (); 19 if (c != 0x1122334455667788LL) 20 abort (); 21} 22