https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36639
Andrew Pinski changed:
What|Removed |Added
CC||moinakb001 at gmail dot com
--- Comment
--- Comment #4 from aoliva at gcc dot gnu dot org 2008-06-26 18:10 ---
I have not tried 4.4. Anyhow, I have looked further into this issue, and I
came to the conclusion that a memory clobber (that should have always been
there anyway) will get things right. I cannot tell for sure that
--- Comment #3 from rguenth at gcc dot gnu dot org 2008-06-26 10:15 ---
I wasn't able to follow your example, but eventually this "bug" is fixed with
the call-clobber reorganize patch?
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #2 from aoliva at gcc dot gnu dot org 2008-06-26 05:12 ---
It is indeed documented that way, but one gets to wonder if that's desirable.
Consider that in the original testcase the pointer is converted to a physical
address (integral type) that must not be dereferenced, and t
--- Comment #1 from pinskia at gmail dot com 2008-06-26 03:46 ---
Subject: Re: New: pointer referenced in asm statement not regarded as VUSE
This is correct as you are just using the address and not the contents
itself. This is how inline-asm is documented to work also.
-- Andrew
