#include "powerpc.h" .sect .text ! Bounds check. Traps if the value is out of range. ! Stack: ( descriptor value -- ) .define .rck .rck: lwz r3, 0 (sp) lwz r4, 4 (sp) addi sp, sp, 8 lwz r5, 0 (r3) cmp cr0, 0, r4, r5 bc IFTRUE, LT, .trap_erange lwz r5, 4 (r3) cmp cr0, 0, r4, r5 bc IFTRUE, GT, .trap_erange bclr ALWAYS, 0, 0