On Mon, Nov 8, 2010 at 12:03 AM, Andi Kleen <[email protected]> wrote: > Andreas Schwab <[email protected]> writes: >> >> The asm fails to mention that it modifies *regs. > > It has a memory clobber, that should be enough, no?
No. A memory clobber does not cover automatic storage. Btw, I can't see a testcase anywhere so I just assume Andreas got it right as usual. Richard. > Besides in any case it cannot be eliminated because it has > valid non dead inputs and outputs. > > -Andi > -- > [email protected] -- Speaking for myself only. >
