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[Bug rtl-optimization/31485] C complex numbers, amd64 SSE, missed optimization opportunity
- From: "irar at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Apr 2010 18:33:35 -0000
- Subject: [Bug rtl-optimization/31485] C complex numbers, amd64 SSE, missed optimization opportunity
- References: <bug-31485-2551@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from irar at il dot ibm dot com 2010-04-21 18:33 -------
Thanks. So, it is not always profitable and requires a cost model.
I am now working on cost model for basic block vectorization, I can look at
this once we have one.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31485