[Bug rtl-optimization/51924] [4.7 Regression] wrong code with -O -free -fno-rename-registers -ftree-vectorize -funroll-loops

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51924

--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> 2012-01-20 21:00:21 
UTC ---
> With -free (top), the value is extended r10d -> rax (where only r10b is valid 
> -
it is missing the r10b->r10d step)

The value is just moved from r10, not extended from r10d, but the effect is the
same...