+
−/* { dg-do compile } */
+
−/* { dg-options "-w -O2 -fdump-tree-optimized" } */
+
−
+
−static __inline__ __attribute__((__always_inline__))
+
−void syscall_7 (int val)
+
−{
+
−  register int reg __asm ("4") = val;
+
−  __asm __volatile__ ("/* Some Code %0 */" :: "r" (reg));
+
−}
+
−
+
−void do_syscalls (void)
+
−{
+
−  for (int s = 0; s < 2; s++)
+
−    {
+
−      syscall_7 (0);
+
−      syscall_7 (1);
+
−    }
+
−}
+
−
+
−/* { dg-final { scan-tree-dump-times "reg = " 4 "optimized" } } */