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[Bug target/50588] gcc produce bad inlined code with -march=athlon -O2
- From: "mikpe at it dot uu.se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 02 Oct 2011 18:55:45 +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 #4 from Mikael Pettersson <mikpe at it dot uu.se> 2011-10-02 18:55:45 UTC ---
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.