[Bug rtl-optimization/50063] [4.6/4.7 Regression] DSE: wrong code for gcc.dg/torture/pta-ptrarith-3.c

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50063

--- Comment #20 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-20 
13:52:50 UTC ---
Please just fix up your backend, e.g. by turning that sp = hfp move (insn 47
above) into an UNSPEC move.