/* Ensure that we don't use 'rep stoX' in the presence of register globals. */ /* { dg-do compile } */ /* { dg-options "-Os -w" } */ extern void *memset (void *, int, __SIZE_TYPE__); register int regvar asm("%ecx"); int foo[10]; int bar[10]; char baz[15]; char quux[15]; void do_copy () { memset (foo, 0, sizeof foo); memset (baz, 0, sizeof baz); } /* { dg-final { scan-assembler-not "rep stosl" } } */ /* { dg-final { scan-assembler-not "rep stosb" } } */