diff --git a/ChangeLog b/ChangeLog
index f1e7de5..9f9630a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2018-08-08  John Ericson  <john.ericson@obsidian.systems>
+
+	* config.sub (abacus, asmjs): Combine some redundant case arms.
+
 2018-08-08  John Ericson  <john.ericson@obsidian.systems>
 
 	* config.sub: Don't need 'os=${os:-none}' defaults because that is
diff --git a/config.sub b/config.sub
index d6d8cbe..6fc84e8 100755
--- a/config.sub
+++ b/config.sub
@@ -569,12 +569,14 @@ case $basic_machine in
 	1750a | 580 \
 	| a29k \
 	| aarch64 | aarch64_be \
+	| abacus \
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
 	| am33_2.0 \
 	| arc | arceb \
 	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv6m | armv[78][arm] \
 	| avr | avr32 \
+	| asmjs \
 	| ba \
 	| be32 | be64 \
 	| bfin \
@@ -798,9 +800,6 @@ case $basic_machine in
 	3b*)
 		basic_machine=we32k-att
 		;;
-	abacus)
-		basic_machine=abacus-unknown
-		;;
 	alliant | fx80)
 		basic_machine=fx80-alliant
 		;;
@@ -816,9 +815,6 @@ case $basic_machine in
 	amiga | amiga-*)
 		basic_machine=m68k-unknown
 		;;
-	asmjs)
-		basic_machine=asmjs-unknown
-		;;
 	blackfin-*)
 		basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		os=linux