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[Bug rtl-optimization/53352] Incorrect CSE optimization on RTL expressions with a paradoxical subreg
- From: "meadori at codesourcery dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 17 May 2012 16:42:04 +0000
- Subject: [Bug rtl-optimization/53352] Incorrect CSE optimization on RTL expressions with a paradoxical subreg
- Auto-submitted: auto-generated
- References: <bug-53352-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53352
--- Comment #3 from Meador Inge <meadori at codesourcery dot com> 2012-05-17 16:42:04 UTC ---
It can easily be seen my inspection of the assembly code. As I mentioned
before, 0xFF00 gets passed to 'foo'. Anyway, I posted an executable case along
with my patch here: http://gcc.gnu.org/ml/gcc-patches/2012-05/msg01042.html.