Add specification conformance section.

Intrinsics_Reference/bk_main.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (c) 2019 OpenPOWER Foundation
+  Copyright (c) 2019-2020 OpenPOWER Foundation
   
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -50,11 +50,11 @@
     </author>
     <copyright>
       <!-- TODO: Set copyright year -->
-      <year>2017-2019</year>
+      <year>2017-2020</year>
       <holder>OpenPOWER Foundation</holder>
     </copyright>
     <!-- TODO: Set the correct document releaseinfo -->
-    <releaseinfo>Revision 1.0.0_prd</releaseinfo>
+    <releaseinfo>Revision 1.0.0_prd2</releaseinfo>
     <productname>OpenPOWER</productname>
     <pubdate/>
 
@@ -87,6 +87,16 @@
 
     <revhistory>
       <!-- TODO: Set the initial version information and clear any old information out -->
+      <revision>
+        <date>2020-02-11</date>
+        <revdescription>
+          <itemizedlist spacing="compact">
+            <listitem>
+              <para>Version 1.0.0_prd2: Public Review Draft Revision 2</para>
+            </listitem>
+          </itemizedlist>
+        </revdescription>
+      </revision>
       <revision>
         <date>2019-11-12</date>
         <revdescription>

Intrinsics_Reference/ch_intro.xml

@@ -288,4 +288,32 @@ xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="section_intro">
     </itemizedlist>
   </section>
 
+  <section xml:id="VIPR.intro.conf">
+    <title>Conformance to this Specification</title>
+    <orderedlist>
+      <listitem>
+	<para>
+	  Vector programs on OpenPOWER systems should follow the guide
+	  and best practices for vector programming as outlined in
+	  <xref linkend="VIPR.biendian" /> and in <xref
+	  linkend="section_techniques" />.
+	</para>
+      </listitem>
+      <listitem>
+	<para>
+	  Compliant compilers on OpenPOWER systems should provide
+	  suitable support for intrinsic functions, preferably as
+	  built-in vector functions that translate to one or more
+	  Power ISA instructions as described in <xref
+	  linkend="VIPR.biendian" /> and in <xref
+	  linkend="VIPR.vec-ref" />.  Compliant compilers targeting a
+	  supported ISA level (2.7 or 3.0, for example) should provide
+	  support for all intrinsic functions valid for that ISA
+	  level, except where an intrinsic function is marked as
+	  phased in, deferred, or deprecated.
+	</para>
+      </listitem>
+    </orderedlist>
+  </section>
+
 </chapter>