1 /* PR target/96176 */ 2 /* { dg-do compile { target lp64 } } */ 3 /* { dg-options "-O2" } */ 4 /* { dg-final { scan-assembler-not "\tmovzbl\t" } } */ 5 6 unsigned char v; 7 8 void foo(unsigned char * x,unsigned char y,unsigned char z)9foo (unsigned char *x, unsigned char y, unsigned char z) 10 { 11 __atomic_compare_exchange_n (x, &y, z, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 12 v = y; 13 } 14