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[Bug target/50182] Performance degradation from gcc 4.1 (x86_64)
- From: "xinliangli at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 24 Oct 2011 23:02:14 +0000
- Subject: [Bug target/50182] Performance degradation from gcc 4.1 (x86_64)
- Auto-submitted: auto-generated
- References: <bug-50182-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50182
--- Comment #25 from davidxl <xinliangli at gmail dot com> 2011-10-24 23:02:14 UTC ---
Created attachment 25600
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25600
test case for 47
Note that with gcc46, the result is even slower -- it has the RAT stall problem
which is fixed in 47.
David