https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66706
--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> --- Author: segher Date: Thu Jul 2 16:27:11 2015 New Revision: 225344 URL: https://gcc.gnu.org/viewcvs?rev=225344&root=gcc&view=rev Log: PR rtl-optimization/66706 * combine.c (make_compound_operation): If an AND of SUBREG of LSHIFTRT does not simplify, see if just the AND of SUBREG does. Modified: trunk/gcc/ChangeLog trunk/gcc/combine.c