1/* Ensure that we don't use 'rep movX' in the presence of register globals. */ 2/* { dg-do compile } */ 3/* { dg-options "-Os -w" } */ 4 5extern void *memcpy (void *, const void *, __SIZE_TYPE__); 6 7register int regvar asm("%ecx"); 8 9int foo[10]; 10int bar[10]; 11 12char baz[15]; 13char quux[15]; 14 15void 16do_copy () 17{ 18 memcpy (foo, bar, sizeof foo); 19 memcpy (baz, quux, sizeof baz); 20} 21 22/* { dg-final { scan-assembler-not "rep movsl" } } */ 23/* { dg-final { scan-assembler-not "rep movsb" } } */ 24