ncginl: in inc/dec, do not use left.resultdef as the dest to force a register location, because if left is a pointer, then an ordinal value might get forced into an address register on m68k, which results in a lot of unnecessary register shuffling to complete the operation

git-svn-id: trunk@39184 -

compiler/ncginl.pas

@@ -382,7 +382,7 @@ implementation
                  addvalue:=addvalue*tpointerconstnode(tcallparanode(tcallparanode(left).right).left).value
               else
                 begin
-                  hlcg.location_force_reg(current_asmdata.CurrAsmList,tcallparanode(tcallparanode(left).right).left.location,tcallparanode(tcallparanode(left).right).left.resultdef,left.resultdef,addvalue<=1);
+                  hlcg.location_force_reg(current_asmdata.CurrAsmList,tcallparanode(tcallparanode(left).right).left.location,tcallparanode(tcallparanode(left).right).left.resultdef,tcallparanode(tcallparanode(left).right).left.resultdef,addvalue<=1);
                   hregister:=tcallparanode(tcallparanode(left).right).left.location.register;
 {$ifndef cpu64bitalu}
                   hregisterhi:=tcallparanode(tcallparanode(left).right).left.location.register64.reghi;