On Sat, Jun 1, 2013 at 12:28 AM, Mike Stump <mikest...@comcast.net> wrote:
> On May 31, 2013, at 2:56 PM, Andrew Pinski <pins...@gmail.com> wrote:
>> This will only fix the GCC source but not other sources which does:
>> void f(void)
>> {
>> __builtin_unreachable();
>> }
>
> Yes. Speaking of which, so how should this be handled? Imagine we have
> asm("# no bytes") before the unreachable. The compiler can't know the size
> (though, the linker can), and yet, a good solution handles this as well.
> Hopefully a dwarf person can weigh in, as engineering a bad solution is worse
> than leaving it broken in my book.
Let the assembler compute it as difference of two labels?
Richard.
