[Bug target/57807] Compile failure with __builtin_ia32_unpcklpd

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57807

--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
jleahly, can you please test proposed patch with -masm=intel a bit?