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Subject: Re: default_no_named_section bad default
From: Mike Stump <mikestump@comcast.net>
In-Reply-To: <CAFiYyc0BWR6gzn1BamWY_T4B+13A1ecLYR1E16-SkZ1wN=+SKA@mail.gmail.com>
Date: Mon, 03 Jun 2013 20:02:00 -0000
Cc: Mike Stump <mikestump@comcast.net>, Andrew Pinski <pinskia@gmail.com>, GCC Patches <gcc-patches@gcc.gnu.org>
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To: Richard Biener <richard.guenther@gmail.com>
X-SW-Source: 2013-06/txt/msg00128.txt.bz2

On Jun 3, 2013, at 1:27 AM, Richard Biener <richard.guenther@gmail.com> wro=
te:
>> 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 siz=
e (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 wo=
rse than leaving it broken in my book.
>=20
> Let the assembler compute it as difference of two labels?

We do use two labels, one for the start, one for the end.