On Fri, Apr 03, 2009 at 08:05:47PM +0100, Dave Korn wrote: > Ian Lance Taylor wrote: > > No fundamental difficulty that I know of. Lots of tedious work for > > every backend setting RTX_FRAME_RELATED_P and adding > > REG_FRAME_RELATED_EXPR notes to the manually constructed epilogue insns. > > I think we're only proposing to add SEH support for platforms where the OS > supports it. Would it be an impediment to a patch if it only fixed -fa-u-t > for platforms where we needed epilogue handling to work correctly, and left it > up to other target maintainers to decide for themselves if they needed this > functionality on their platforms?
If you're going to seriously consider doing this, you may want to take: http://gcc.gnu.org/ml/gcc-patches/2006-02/msg01091.html as a starting point. -Nathan
