diff --git a/compiler/mips/cgcpu.pas b/compiler/mips/cgcpu.pas
index cdc8d213b2..8bf8d47db3 100644
--- a/compiler/mips/cgcpu.pas
+++ b/compiler/mips/cgcpu.pas
@@ -1236,7 +1236,7 @@ begin
     begin
       if reg in (rg[R_FPUREGISTER].used_in_proc-paramanager.get_volatile_registers_fpu(pocall_stdcall)) then
         begin
-          fmask:=fmask or (1 shl ord(reg));
+          fmask:=fmask or (longword(1) shl ord(reg));
           href.offset:=nextoffset;
           lastfpuoffset:=nextoffset;
           helplist.concat(taicpu.op_reg_ref(A_SWC1,newreg(R_FPUREGISTER,reg,R_SUBFS),href));
@@ -1266,7 +1266,7 @@ begin
     begin
       if reg in saveregs then
         begin
-          mask:=mask or (1 shl ord(reg));
+          mask:=mask or (longword(1) shl ord(reg));
           href.offset:=nextoffset;
           lastintoffset:=nextoffset;
           if (reg=RS_FRAME_POINTER_REG) then
@@ -1282,8 +1282,8 @@ begin
   //list.concat(Taicpu.Op_reg_reg_const(A_ADDIU,NR_FRAME_POINTER_REG,NR_STACK_POINTER_REG,current_procinfo.para_stack_size));
   list.concat(Taicpu.op_none(A_P_SET_NOMIPS16));
   list.concat(Taicpu.op_reg_const_reg(A_P_FRAME,current_procinfo.framepointer,LocalSize,NR_R31));
-  list.concat(Taicpu.op_const_const(A_P_MASK,mask,-(LocalSize-lastintoffset)));
-  list.concat(Taicpu.op_const_const(A_P_FMASK,Fmask,-(LocalSize-lastfpuoffset)));
+  list.concat(Taicpu.op_const_const(A_P_MASK,aint(mask),-(LocalSize-lastintoffset)));
+  list.concat(Taicpu.op_const_const(A_P_FMASK,aint(Fmask),-(LocalSize-lastfpuoffset)));
   list.concat(Taicpu.op_none(A_P_SET_NOREORDER));
   if (cs_create_pic in current_settings.moduleswitches) and
      (pi_needs_got in current_procinfo.flags) then
diff --git a/compiler/ncgcon.pas b/compiler/ncgcon.pas
index 0cd1da2ffc..1ac8f76bbb 100644
--- a/compiler/ncgcon.pas
+++ b/compiler/ncgcon.pas
@@ -471,7 +471,7 @@ implementation
               end
             else
               begin
-                location.value:=swapendian(Pcardinal(value_set)^);
+                location.value:=aint(swapendian(Pcardinal(value_set)^));
                 location.value:=aint(
                                    reverse_byte (location.value         and $ff)         or
                                   (reverse_byte((location.value shr  8) and $ff) shl  8) or