EIR_R15
new_ctx->current_regs[EIR_R15] = old_ctx->entry_regs[EIR_R15];
ctx->entry_regs[EIR_R15] = ctx->current_regs[EIR_R15];
fix_reg(ctx, func_state, EIR_R15);
case EIR_R15:
if (index <= EIR_R15) {
if (index <= EIR_R15) {