diff --git a/alliance/src/genlib/doc/man_dpgen_shift.sgm b/alliance/src/genlib/doc/man_dpgen_shift.sgm
index 48549c1e..963bcaa9 100644
--- a/alliance/src/genlib/doc/man_dpgen_shift.sgm
+++ b/alliance/src/genlib/doc/man_dpgen_shift.sgm
@@ -31,25 +31,24 @@
   <refsect1>
     <title> Description </title>
 
-    <para> Generate a &N; bits shifter named &modelname;.
+    <para> Generate a &N; bits shifter with name &modelname;.
     </para>
     <para> How it works :
     <itemizedlist>
       <listitem>
-        <para> if <literal>op[0]</literal> signal is set to &one; perform
-        a right shift, left shift otherwise.
+        <para> if the <literal>op[0]</literal> signal is set to &one; performs
+        a right shift, performs a left shift otherwise.
         </para>
       </listitem>
       <listitem>
-        <para> if <literal>op[1]</literal> signal is set to &one; perform
-        a sign extention, i.e. an arithmetic shift (only meaningful in case
-        of a right shift).
+        <para> if the <literal>op[1]</literal> signal is set to &one; performs
+        an arithmetic shift (only meaningful in case of a right shift).
         </para>
       </listitem>
       <listitem>
-        <para> &shamt; : specify the shift amount. The wide of this signal
-        (&Y;) is computed from the operator's wide :
-        <literal>Y = log<subscript>2</subscript>(N) - 1</literal>.
+        <para> &shamt; : specifies the shift amount. The width of this signal
+        (&Y;) is computed from the operator's width :
+        <literal>Y = ceil(log<subscript>2</subscript>(N)) - 1</literal>.
         </para>
       </listitem>
     </itemizedlist>
@@ -67,10 +66,10 @@
           <para> &shamt; : the shift amount (input, &Y; bits). </para>
         </listitem>
         <listitem>
-          <para> &i0; : value to shift (input, &N; bits). </para>
+          <para> &i; : value to shift (input, &N; bits). </para>
         </listitem>
         <listitem>
-          <para> &q; : output (&N; bits). </para>
+          <para> &o; : output (&N; bits). </para>
         </listitem>
         <listitem>
           <para> <literal>vdd</literal> : power. </para>
@@ -89,20 +88,17 @@
 
     <para>
     <programlisting>
-GENLIB_MACRO(DPGEN_SHIFT, "model_shift_32"
-                        , F_BEHAV|F_PLACE
-                        , 32
-                        );
+GENLIB_MACRO(DPGEN_SHIFT, "model_shift_32",
+                          F_BEHAV|F_PLACE,
+                          32);
 
-GENLIB_LOINS( "model_shift_32"
-            , "instance1_shift_32"
-            , "add_sub"
-            , "op[1:0]"
-            , "shamt[4:0]"
-            , "i0[31:0]"
-            ,  "q[31:0]"
-            , "vdd", "vss", NULL
-            );
+GENLIB_LOINS("model_shift_32",
+             "instance1_shift_32", 
+             "op[1:0]", 
+             "shamt[4:0]", 
+             "x[31:0]", 
+             "y[31:0]", 
+             "vdd", "vss", NULL);
     </programlisting>
     </para>
 
diff --git a/alliance/src/genlib/doc/man_dpgen_shrot.sgm b/alliance/src/genlib/doc/man_dpgen_shrot.sgm
new file mode 100644
index 00000000..578e116a
--- /dev/null
+++ b/alliance/src/genlib/doc/man_dpgen_shrot.sgm
@@ -0,0 +1,115 @@
+
+
+  <refentry id="DPGEN-SHROT">
+  <?dbhtml filename="man_dpgen_shrot.html">
+
+  <refmeta>
+    <refentrytitle>DPGEN_SHROT</refentrytitle>
+    <manvolnum>3</manvolnum>
+    <refmiscinfo>ASIM/LIP6</refmiscinfo>
+  </refmeta>
+
+  <refnamediv>
+    <refname> DPGEN_SHROT </refname>
+    <refpurpose> Shift/Rotation Macro-Generator </refpurpose>
+  </refnamediv>
+
+
+  <refsynopsisdiv>
+    <funcsynopsis>
+      <funcsynopsisinfo>#include  &lt;genlib.h&gt;</funcsynopsisinfo>
+      <funcprototype>
+        <funcdef>void <function>GENLIB_MACRO</function></funcdef>
+          <paramdef>DPGEN_SHROT</paramdef>
+          <paramdef>char *<parameter>modelname</parameter></paramdef>
+          <paramdef>long <parameter>flags</parameter></paramdef>
+          <paramdef>long <parameter>N</parameter></paramdef>
+      </funcprototype>
+    </funcsynopsis>
+  </refsynopsisdiv>
+
+  <refsect1>
+    <title> Description </title>
+
+    <para> Generate a &N; bits shift/rotation operator with name &modelname;.
+    </para>
+    <para> How it works :
+    <itemizedlist>
+      <listitem>
+        <para> if the <literal>op[0]</literal> signal is set to &one;
+        right shift/rotation occurs, otherwise left shift/rotation
+        occurs.
+        </para>
+      </listitem>
+      <listitem>
+        <para> if the <literal>op[1]</literal> signal is set to &one; performs
+        an arithmetic shift (only meaningful in case of a right shift).
+        </para>
+      </listitem>
+      <listitem>
+        <para> if the <literal>op[2]</literal> signal is set to &one; performs
+        a rotation, otherwise performs a shift.
+        </para>
+      </listitem>
+      <listitem>
+        <para> &shamt; : specifies the shift amount. The width of this signal
+        (&Y;) is computed from the operator's width :
+        <literal>Y = ceil(log<subscript>2</subscript>(N)) - 1</literal>.
+        </para>
+      </listitem>
+    </itemizedlist>
+    </para>
+
+    <refsect2>
+      <title> Terminal Names </title>
+
+      <orderedlist>
+        <listitem>
+          <para> &op; : select the kind of shift/rotation (input, 3 bit).
+          </para>
+        </listitem>
+        <listitem>
+          <para> &shamt; : the shift amount (input, &Y; bits). </para>
+        </listitem>
+        <listitem>
+          <para> &i; : value to shift (input, &N; bits). </para>
+        </listitem>
+        <listitem>
+          <para> &o; : output (&N; bits). </para>
+        </listitem>
+        <listitem>
+          <para> <literal>vdd</literal> : power. </para>
+        </listitem>
+        <listitem>
+          <para> <literal>vss</literal> : ground. </para>
+        </listitem>
+      </orderedlist>
+
+    </refsect2>
+
+  </refsect1>
+
+  <refsect1>
+    <title> Example </title>
+
+    <para>
+    <programlisting>
+GENLIB_MACRO(DPGEN_SHROT, "rot25",
+                          F_BEHAV|F_PLACE,
+                          25);
+
+GENLIB_LOINS("rot25",
+             "instance1_rot25", 
+             "op[2:0]", 
+             "shamt[4:0]", 
+             "x[31:0]", 
+             "y[31:0]", 
+             "vdd", "vss", NULL);
+    </programlisting>
+    </para>
+
+  </refsect1>
+
+  &man-dpgen-see-also;
+
+  </refentry>
diff --git a/alliance/src/genlib/doc/man_genlib_macro.sgm b/alliance/src/genlib/doc/man_genlib_macro.sgm
index 51f0d0ba..ea3a7e99 100644
--- a/alliance/src/genlib/doc/man_genlib_macro.sgm
+++ b/alliance/src/genlib/doc/man_genlib_macro.sgm
@@ -258,6 +258,10 @@
               <refentrytitle>DPGEN_SHIFT</refentrytitle>
               <manvolnum>3</manvolnum>
             </citerefentry></link></para></listitem>
+            <listitem><para><link linkend="DPGEN-SHROT"><citerefentry>
+              <refentrytitle>DPGEN_SHROT</refentrytitle>
+              <manvolnum>3</manvolnum>
+            </citerefentry></link></para></listitem>
           </itemizedlist>
           </para>
         </listitem>