diff --git a/ChangeLog b/ChangeLog
index 7bdab8d..71c987f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-08-01  Alan Modra  <amodra@bigpond.net.au>
+
+	* config.sub: Recognise powerpc64, powerpc64le, ppc64 variations.
+
 2001-07-31  Ben Elliston  <bje@redhat.com>
 
 	* config.guess: Detect Stratus VOS operating system.
diff --git a/config.sub b/config.sub
index 3d41d05..3550e43 100755
--- a/config.sub
+++ b/config.sub
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
 #   Free Software Foundation, Inc.
 
-timestamp='2001-07-31'
+timestamp='2001-08-01'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -233,7 +233,7 @@ case $basic_machine in
 		| alpha | alphaev[4-8] | alphaev56 | alphapca5[67] \
 		| alphaev6[78] \
 		| we32k | ns16k | clipper | i370 | sh | sh[34] | sh[34]eb \
-		| powerpc | powerpcle \
+		| powerpc | powerpcle | powerpc64 | powerpc64le \
 		| 1750a | dsp16xx | pdp10 | pdp11 \
 		| mips16 | mips64 | mipsel | mips64el \
 		| mips64orion | mips64orionel | mipstx39 | mipstx39el \
@@ -280,7 +280,8 @@ case $basic_machine in
 	      | we32k-* | cydra-* | ns16k-* | pn-* | np1-* | xps100-* \
 	      | clipper-* | orion-* \
 	      | sparclite-* | pdp10-* | pdp11-* | sh-* | sh[34]-* | sh[34]eb-* \
-	      | powerpc-* | powerpcle-* | sparc64-* | sparcv9-* | sparcv9b-* | sparc86x-* \
+	      | powerpc-* | powerpcle-* | powerpc64-* | powerpc64le-* \
+	      | sparc64-* | sparcv9-* | sparcv9b-* | sparc86x-* \
 	      | mips16-* | mips64-* | mipsel-* \
 	      | mips64el-* | mips64orion-* | mips64orionel-* \
 	      | mips64vr4100-* | mips64vr4100el-* | mips64vr4300-* | mips64vr4300el-* \
@@ -735,6 +736,16 @@ case $basic_machine in
 	ppcle-* | powerpclittle-*)
 		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
+	ppc64)	basic_machine=powerpc64-unknown
+	        ;;
+	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+		basic_machine=powerpc64le-unknown
+	        ;;
+	ppc64le-* | powerpc64little-*)
+		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	ps2)
 		basic_machine=i386-ibm
 		;;