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[Bug regression/33928] 33% performance slowdown from 4.2.2 to 4.3.0 in floating-point code with computed gotos
- From: "lucier at math dot purdue dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Oct 2007 15:42:21 -0000
- Subject: [Bug regression/33928] 33% performance slowdown from 4.2.2 to 4.3.0 in floating-point code with computed gotos
- References: <bug-33928-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from lucier at math dot purdue dot edu 2007-10-28 15:42 -------
Created an attachment (id=14424)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14424&action=view)
assembly from 4.3.0
I had to remove the "static" from the declaration of direct-fft-recursive to
get assembly. (In the larger file the address of direct-fft-recursive is
eventually put into an array.)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928