diff --git a/samples/opengl/cube/cubeM5.xml b/samples/opengl/cube/cubeM5.xml
index 1c24720cd3..9a3c7d5440 100644
--- a/samples/opengl/cube/cubeM5.xml
+++ b/samples/opengl/cube/cubeM5.xml
@@ -569,7 +569,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>None</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -1568,7 +1568,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>Inline</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -2559,7 +2559,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>Inline</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -3334,7 +3334,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>None</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
diff --git a/samples/opengl/isosurf/isosurfM5.xml b/samples/opengl/isosurf/isosurfM5.xml
index cd7bfbb6b6..d38ade501a 100644
--- a/samples/opengl/isosurf/isosurfM5.xml
+++ b/samples/opengl/isosurf/isosurfM5.xml
@@ -569,7 +569,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>None</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -1592,7 +1592,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>Inline</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -2607,7 +2607,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>Inline</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -3406,7 +3406,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>None</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
diff --git a/samples/opengl/penguin/penguinM5.xml b/samples/opengl/penguin/penguinM5.xml
index 6cadc59ec9..ce6b88979f 100644
--- a/samples/opengl/penguin/penguinM5.xml
+++ b/samples/opengl/penguin/penguinM5.xml
@@ -569,7 +569,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>None</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -1616,7 +1616,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>Inline</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -2655,7 +2655,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>Inline</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>
@@ -3478,7 +3478,7 @@
                 <SETTING><NAME>Perl_Prefix_Filename</NAME><VALUE></VALUE></SETTING>
 
                 <!-- Settings for "PPC CodeGen" panel -->
-                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>MC68K</VALUE></SETTING>
+                <SETTING><NAME>MWCodeGen_PPC_structalignment</NAME><VALUE>PPC</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_tracebacktables</NAME><VALUE>None</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_processor</NAME><VALUE>Generic</VALUE></SETTING>
                 <SETTING><NAME>MWCodeGen_PPC_readonlystrings</NAME><VALUE>0</VALUE></SETTING>