diff --git a/ChangeLog b/ChangeLog
index 5e2fd0c..9f82d53 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2001-04-20  Ben Elliston  <bje@redhat.com>
 
+	* config.sub: Handle sparcv9b.
+	From Dave Miller <davem@redhat.com>.
+
 	* config.guess: Detect PowerMAX OS on PowerPC.
 
 2001-04-20  Tyson Dowd  <trd@cs.mu.oz.au>
diff --git a/config.sub b/config.sub
index a16d99c..a06a480 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='2001-03-30'
+timestamp='2001-04-20'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -231,7 +231,8 @@ case $basic_machine in
 		| mips64orion | mips64orionel | mipstx39 | mipstx39el \
 		| mips64vr4300 | mips64vr4300el | mips64vr4100 | mips64vr4100el \
 		| mips64vr5000 | miprs64vr5000el | mcore | s390 | s390x \
-		| sparc | sparclet | sparclite | sparc64 | sparcv9 | v850 | c4x \
+		| sparc | sparclet | sparclite | sparc64 | sparcv9 | sparcv9b \
+		| v850 | c4x \
 		| thumb | d10v | d30v | fr30 | avr | openrisc | tic80 \
 		| pj | pjl | h8500)
 		basic_machine=$basic_machine-unknown
@@ -271,7 +272,8 @@ case $basic_machine in
 	      | we32k-* | cydra-* | ns16k-* | pn-* | np1-* | xps100-* \
 	      | clipper-* | orion-* \
 	      | sparclite-* | pdp10-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
-	      | sparc64-* | sparcv9-* | sparc86x-* | mips16-* | mips64-* | mipsel-* \
+	      | sparc64-* | sparcv9-* | sparcv9b-* | sparc86x-* \
+	      | mips16-* | mips64-* | mipsel-* \
 	      | mips64el-* | mips64orion-* | mips64orionel-* \
 	      | mips64vr4100-* | mips64vr4100el-* | mips64vr4300-* | mips64vr4300el-* \
 	      | mipstx39-* | mipstx39el-* | mcore-* \
@@ -935,7 +937,7 @@ case $basic_machine in
 	sh3 | sh4)
 		basic_machine=sh-unknown
 		;;
-	sparc | sparcv9)
+	sparc | sparcv9 | sparcv9b)
 		basic_machine=sparc-sun
 		;;
         cydra)