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[Bug target/53967] GCC produces slow code for convolution algorithm with -mfpmath=sse (the AMD_64 default)
- From: "bfriesen at simple dot dallas.tx.us" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 16 Jul 2012 15:41:08 +0000
- Subject: [Bug target/53967] GCC produces slow code for convolution algorithm with -mfpmath=sse (the AMD_64 default)
- Auto-submitted: auto-generated
- References: <bug-53967-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53967
--- Comment #11 from bfriesen at simple dot dallas.tx.us 2012-07-16 15:41:08 UTC ---
I just verified that -O3 produces similar timings to -O2 for both -mfpmath=387
and -mfpmath=sse