[Bug target/55803] SSE2 double negation less efficient than explicit xor

ubizjak at gmail dot com gcc-bugzilla@gcc.gnu.org
Mon Dec 24 13:48:00 GMT 2012


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55803

--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2012-12-24 13:47:54 UTC ---
movsd reads 64bit value from memory, but xorps reads 128bit value.



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