truncate_if_32bit
ea = truncate_if_32bit(regs->msr, ea);
val = truncate_if_32bit(regs->msr, val);
val1 = truncate_if_32bit(regs->msr, val1);
op->val = truncate_if_32bit(regs->msr, imm);
op->val = truncate_if_32bit(regs->msr, imm);
op->val = truncate_if_32bit(regs->msr, imm);
next_pc = truncate_if_32bit(regs->msr, regs->nip + GETLENGTH(op->type));
ea = truncate_if_32bit(regs->msr, op->ea);
ea = truncate_if_32bit(regs->msr, op.ea);
truncate_if_32bit(regs->msr, regs->nip + GETLENGTH(op.type)));