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[Bug middle-end/35310] Late struct expansion -- missing PRE (2)
- From: "xinliangli at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 31 Oct 2012 21:17:27 +0000
- Subject: [Bug middle-end/35310] Late struct expansion -- missing PRE (2)
- Auto-submitted: auto-generated
- References: <bug-35310-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35310
--- Comment #2 from davidxl <xinliangli at gmail dot com> 2012-10-31 21:17:27 UTC ---
GCC is still not generating good code here, neither does ICC.
However LLVM does a good job here.
David
(In reply to comment #1)
> Confirmed. Looks like something for postreload-gcse to handle. Before that,
> there are no partial redundancies in the RTL (at least, not in the quick look I
> gave it).