[Bug target/55147] x86: wrong code for 64-bit load

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55147

--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2012-10-31 15:47:46 UTC ---
> can fix the reg overlap problem between address of operands[1] and high part of
> operands[0].  That said, I wonder what is the advantage of having bswapdi2
> patter on i?86 at all that the generic expand_doubleword_bswap can't handle.

If generic code creates similar assembly, then I'm all for removing this
pattern.