* use 16-bit alignment for class references and all pointer types on i8086

git-svn-id: trunk@30682 -

compiler/i8086/symcpu.pas

@@ -57,6 +57,7 @@ type
 
   tcpupointerdef = class(tx86pointerdef)
     class function default_x86_data_pointer_type: tx86pointertyp; override;
+    function alignment:shortint;override;
     function pointer_arithmetic_int_type:tdef; override;
     function pointer_subtraction_result_type:tdef; override;
   end;
@@ -75,6 +76,7 @@ type
   tcpuobjectdefclass = class of tcpuobjectdef;
 
   tcpuclassrefdef = class(tclassrefdef)
+    function alignment:shortint;override;
   end;
   tcpuclassrefdefclass = class of tcpuclassrefdef;
 
@@ -254,6 +256,15 @@ implementation
       result:=(p.typ=pointerdef) and (tcpupointerdef(p).x86pointertyp=x86pt_huge);
     end;
 
+{****************************************************************************
+                               tcpuclassrefdef
+****************************************************************************}
+
+  function tcpuclassrefdef.alignment:shortint;
+    begin
+      Result:=2;
+    end;
+
 {****************************************************************************
                                tcpuarraydef
 ****************************************************************************}
@@ -408,6 +419,14 @@ implementation
       end;
 
 
+    function tcpupointerdef.alignment:shortint;
+      begin
+        { on i8086, we use 16-bit alignment for all pointer types, even far and
+          huge (which are 4 bytes long) }
+        result:=2;
+      end;
+
+
     function tcpupointerdef.pointer_arithmetic_int_type:tdef;
       begin
         if x86pointertyp=x86pt_huge then