http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54703
--- Comment #1 from Matthias Kretz <kretz at kde dot org> 2012-09-25 13:32:27 UTC --- Um, sorry. Forgot to note the compiler switches: gcc -O1 -march=bdver1 I can't reproduce the error with corei7-avx or any other non-AVX target.