Richard Guenther <richard.guent...@gmail.com> writes: > On Mon, Nov 8, 2010 at 12:03 AM, Andi Kleen <a...@firstfloor.org> wrote: >> Andreas Schwab <sch...@linux-m68k.org> 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.
That's a separate problem. > Btw, I can't see a testcase anywhere so I just assume Andreas got > it right as usual. An asm with live inputs and outputs should never be optimized way. If 4.5.1 started doing that it's seriously broken. -Andi -- a...@linux.intel.com -- Speaking for myself only.
