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

[bfriesen at simple dot dallas.tx.us]

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

--- Comment #5 from bfriesen at simple dot dallas.tx.us 2012-07-14 21:06:27 UTC 
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Please note that while I mentioned GCC 4.6.2, the same problem is also observed
with GCC 4.7.1.