Index: coreutils-7.1/src/uname.c
===================================================================
--- coreutils-7.1.orig/src/uname.c	2008-09-18 09:06:57.000000000 +0200
+++ coreutils-7.1/src/uname.c	2009-03-12 11:49:18.000000000 +0100
@@ -50,6 +50,10 @@
 # include <mach-o/arch.h>
 #endif
 
+#ifdef _AIX
+#include <sys/systemcfg.h>
+#endif
+
 #include "system.h"
 #include "error.h"
 #include "quote.h"
@@ -309,6 +313,20 @@
 	  element = processor;
       }
 #endif
+#ifdef _AIX
+      switch (_system_configuration.architecture)
+        {
+          case POWER_RS:
+            element = "power";
+            break;
+          case POWER_PC:
+            element = "powerpc";
+            break;
+          case IA64:
+            element = "ia64";
+            break;
+        }
+#endif
 #ifdef UNAME_PROCESSOR
       if (element == unknown)
 	{