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[Bug target/50588] gcc produce bad inlined code with -march=athlon -O2
- From: "newsgrp at duradsl dot dyndns.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 02 Oct 2011 22:39:42 +0000
- Subject: [Bug target/50588] gcc produce bad inlined code with -march=athlon -O2
- Auto-submitted: auto-generated
- References: <bug-50588-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50588
--- Comment #9 from newsgrp at duradsl dot dyndns.org 2011-10-02 22:39:42 UTC ---
(In reply to comment #4)
> The failure started with r164552:
> http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00849.html
>
> It's enough to pass -O2 -mtune=athlon to trigger the bug, you don't need
> -march.
>
> I don't see anything x86-specific in that revision so quite possibly it's just
> triggering a latent x86 backend error.
http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00849.html is the first bad commit
here too.