[Bug target/50588] gcc produce bad inlined code with -march=athlon -O2

mikpe at it dot uu.se gcc-bugzilla@gcc.gnu.org
Sun Oct 2 18:56:00 GMT 2011


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.



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