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[Bug target/53967] GCC produces slow code for convolution algorithm with -mfpmath=sse (the AMD_64 default)
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 16 Jul 2012 12:42:15 +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
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2012-07-16
Ever Confirmed|0 |1
--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-16 12:42:15 UTC ---
What options do you use besides -march=corei7-avx? The build-log does not
tell.
Did you try -march=corei7 instead of -march=corei7-avx?