On Wed, Feb 12, 2003 at 11:58:22PM +0100, Roman Zippel wrote: > I'm curious, why isn't it possible to add this logic directly to > find_used_regs? Because the register is *used* by the PRE_DEC. If we're trying to determine reachability (e.g. for dead code) then failing to report the use will result in bad code. r~