This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
Re: 2.95 compiler bug with optimization level > 0...
- To: "Martin v. Loewis" <martin at mira dot isdn dot cs dot tu-berlin dot de>
- Subject: Re: 2.95 compiler bug with optimization level > 0...
- From: Brad Perry <brad dot perry at amd dot com>
- Date: Mon, 22 Nov 1999 10:45:41 -0600 (CST)
- CC: brad dot perry at amd dot com, gcc-bugs at gcc dot gnu dot org, bug-gcc at gnu dot org
> > Any help would be greatly appreciated!!!!!!!!!!!!!!!!
>
> Without further analysis, I recommend to compile this code with
> -fno-strict-aliasing, and see whether this improves anything.
>
> If it does, there are two possibilities:
> a) there is a bug in the alias analysis, or
> b) the bug is not strictly conforming with standard C
>
> Please note that option b) is more likely, since gcc now exposes a
> common misunderstanding about C.
>
> Regards,
> Martin
Cool, that worked! I can't tell you how grateful we(AMD-K7) are!!!!
Assuming b) might be the problem, what "common misunderstanding about C" are
you referring to? Please include as much detail as you can.
Thanks!!!!
--
********************************************************************************
Brad Perry ______
E-mail: brad.perry@amd.com \___ | Advanced Micro Devices
Phone: (512) 602-6863 /| | | 5900 E. Ben White Blvd.
FAX: (512) 602-6970 | |__| | Mail Stop 615
WATS: (800) 538-8450(x56863) |___/ \| Austin, TX 78741
********************************************************************************