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[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475
- From: "lucier at math dot purdue.edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 10 Mar 2011 19:56:17 +0000
- Subject: [Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475
- Auto-submitted: auto-generated
- References: <bug-33928-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928
--- Comment #119 from lucier at math dot purdue.edu 2011-03-10 19:55:54 UTC ---
It's nearly impossible to examine the assembly code responsible for the FFT in
the package I set up in the previous comment. If you want a runtime benchmark
for this PR where you can easily examine the code I'll have to do more work.