[Bug target/53967] GCC produces slow code for convolution algorithm with -mfpmath=sse (the AMD_64 default)

[xunxun1982 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53967

--- Comment #18 from xunxun <xunxun1982 at gmail dot com> 2012-08-12 15:41:35 
UTC ---
Is the bug related with PR19780?