/* Ensure that we don't use 'rep movX' in the presence of register globals. */ /* { dg-do compile } */ /* { dg-options "-Os -w" } */ extern void *memcpy (void *, const void *, __SIZE_TYPE__); register int regvar asm("%esi"); int foo[10]; int bar[10]; char baz[15]; char quux[15]; void do_copy () { memcpy (foo, bar, sizeof foo); memcpy (baz, quux, sizeof baz); } /* { dg-final { scan-assembler-not "rep movsl" } } */ /* { dg-final { scan-assembler-not "rep movsb" } } */