simplify-rtx.c
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simplify-rtx.c (simplify_unary_operation_1): Optimize (sign_extend (zero_extend… · 561da6bcsimplify-rtx.c (simplify_unary_operation_1): Optimize (sign_extend (zero_extend ()) and ({sign,zero}_extend (lshiftrt... * simplify-rtx.c (simplify_unary_operation_1): Optimize (sign_extend (zero_extend ()) and ({sign,zero}_extend (lshiftrt (ashift X (const_int I)) (const_int I))). Co-Authored-By: Paolo Bonzini <bonzini@gnu.org> From-SVN: r163413Jakub Jelinek committed