------- Comment #2 from ubizjak at gmail dot com 2008-12-14 19:29 ------- I can't compile the attachment: g++ -O3 -fpreprocessed u-array.ii In file included from /home/lvv/p/lvv/sse.h:23, from /home/lvv/p/lvv/array.h:35, from u-array.cc:10: /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/include/pmmintrin.h: In function ‘float __vector__ _mm_addsub_ps(float __vector__, float __vector__)’: [...] However, since you already found a failing test, please reduce your source to a short, self contained runtime testcase (in plain C if possible) that fails with certain compile flags. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38525