diff -r 065b9ded4bf2 -r feeb67be5886 common/autoconf/build-performance.m4
--- a/common/autoconf/build-performance.m4	Mon Mar 31 14:06:57 2014 -0700
+++ b/common/autoconf/build-performance.m4	Wed Apr 02 10:01:38 2014 -0700
@@ -41,6 +41,9 @@
     # Looks like a MacOSX system
     NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
     FOUND_CORES=yes
+  elif test "x$OPENJDK_BUILD_OS" = xaix ; then
+    NUM_CORES=`/usr/sbin/prtconf | grep "^Number Of Processors" | awk '{ print [$]4 }'`
+    FOUND_CORES=yes
   elif test -n "$NUMBER_OF_PROCESSORS"; then
     # On windows, look in the env
     NUM_CORES=$NUMBER_OF_PROCESSORS
@@ -68,8 +71,8 @@
     MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
     FOUND_MEM=yes
   elif test -x /usr/sbin/prtconf; then
-    # Looks like a Solaris system
-    MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`
+    # Looks like a Solaris or AIX system
+    MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'`
     FOUND_MEM=yes
   elif test -x /usr/sbin/system_profiler; then
     # Looks like a MacOSX system