On Sun, 14 Jun 2020 at 22:34, Andrew Pinski via Gcc <gcc@gcc.gnu.org> wrote: > > On Sun, Jun 14, 2020 at 2:27 PM Andi Kleen via Gcc <gcc@gcc.gnu.org> wrote: > > > > sotrdg sotrdg via Gcc <gcc@gcc.gnu.org> writes: > > > > > http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0709r0.pdf > > > > > > I really want this feature. How, it looks like this requires changes > > > on RTL, gimple and C++ front-end. Is that very hard to implement it? > > > > If you're asking about setjmp/longjmp exceptions, you can already > > configure with --enable-sjlj-exceptions and then use -fsjlj-exceptions > > to enable them. > > > > It would be a new ABI and likely break some existing libraries. > > NOTE Setjmp/longjump is much much slower if exceptions are not used at > all. Because there will be many many setjump locations.
This is nothing to do with SJLJ exceptions anyway.
