In IBM POWER 6 this returned as an optimisation in hardware. https://books.google.ch/books?id=SPXHAgAAQBAJ&pg=PA44&lpg=PA44&dq=power7+binary+coded+decimal&sour

In IBM POWER 6 this returned as an optimisation in hardware. https://books.google.ch/books?id=SPXHAgAAQBAJ&pg=PA44&lpg=PA44&dq=power7+binary+coded+decimal&source=bl&ots=6VseaHUdfE&sig=Dcs127eSide4fpqgIeX19U1UNOg&hl=en&sa=X&ved=0CB0Q6AEwAGoVChMIk7TYwOiQyQIVRfsOCh3AHwxw#v=onepage&q=power7%20binary%20coded%20decimal&f=false https://books.google.ch/books?id=SPXHAgAAQBAJ&pg=PA44&lpg=PA...