case MMLO:
tmp = regs->lo;
break;
+#ifdef CONFIG_CPU_HAS_SMARTMIPS
+ case ACX:
+ tmp = regs->acx;
+ break;
+#endif
case FPC_CSR:
tmp = child->thread.fpu.fcr31;
break;
case MMLO:
regs->lo = data;
break;
+#ifdef CONFIG_CPU_HAS_SMARTMIPS
+ case ACX:
+ regs->acx = data;
+ break;
+#endif
case FPC_CSR:
child->thread.fpu.fcr31 = data;
break;