diff --git a/src/cmd/5l/optab.c b/src/cmd/5l/optab.c
index 1e93a3113bd..231071f2091 100644
--- a/src/cmd/5l/optab.c
+++ b/src/cmd/5l/optab.c
@@ -63,6 +63,7 @@ Optab	optab[] =
 
 	{ AB,		C_NONE,	C_NONE,	C_ROREG,	 6, 4, 0,	LPOOL },
 	{ ABL,		C_NONE,	C_NONE,	C_ROREG,	 7, 8, 0 },
+	{ ABL,		C_REG,	C_NONE,	C_ROREG,	 7, 8, 0 },
 	{ ABX,		C_NONE,	C_NONE,	C_ROREG,	 75, 12, 0 },
 	{ ABXRET,	C_NONE,	C_NONE,	C_ROREG,	 76, 4, 0 },
 
diff --git a/src/cmd/6l/optab.c b/src/cmd/6l/optab.c
index 43f34d9747c..21b4784353f 100644
--- a/src/cmd/6l/optab.c
+++ b/src/cmd/6l/optab.c
@@ -326,7 +326,8 @@ uchar	yloop[] =
 };
 uchar	ycall[] =
 {
-	Ynone,	Yml,	Zo_m64,	2,
+	Ynone,	Yml,	Zo_m64,	0,
+	Yrx,	Yrx,	Zo_m64,	2,
 	Ynone,	Ybr,	Zcall,	1,
 	0
 };
diff --git a/src/cmd/8l/optab.c b/src/cmd/8l/optab.c
index ae808ec7703..3ccdbfd2260 100644
--- a/src/cmd/8l/optab.c
+++ b/src/cmd/8l/optab.c
@@ -266,7 +266,8 @@ uchar	yloop[] =
 };
 uchar	ycall[] =
 {
-	Ynone,	Yml,	Zo_m,	2,
+	Ynone,	Yml,	Zo_m,	0,
+	Yrx,	Yrx,	Zo_m,	2,
 	Ynone,	Ycol,	Zcallind,	2,
 	Ynone,	Ybr,	Zcall,	0,
 	Ynone,	Yi32,	Zcallcon,	1,