1 /* Ensure that we don't use 'rep stoX' in the presence of register globals. */ 2 /* { dg-do compile } */ 3 /* { dg-options "-Os -w" } */ 4 5 extern void *memset (void *, int, __SIZE_TYPE__); 6 7 register int regvar asm("%edi"); 8 9 int foo[10]; 10 int bar[10]; 11 12 char baz[15]; 13 char quux[15]; 14 15 void do_copy()16do_copy () 17 { 18 memset (foo, 0, sizeof foo); 19 memset (baz, 0, sizeof baz); 20 } 21 22 /* { dg-final { scan-assembler-not "rep stosl" } } */ 23 /* { dg-final { scan-assembler-not "rep stosb" } } */ 24