diff --git a/mach/ns/ncg/table b/mach/ns/ncg/table
index 5e8f3ee11..71f6de5e8 100644
--- a/mach/ns/ncg/table
+++ b/mach/ns/ncg/table
@@ -235,6 +235,7 @@ jsr tosdst4+label .
 ret const4:ro .
 adjspd tossrc4:ro .
 exit label .
+sprd tossrc4:ro, MEMREG:rw .
 
 
 
@@ -2180,6 +2181,14 @@ pat sim
 with src24
     gen movw %1, {absolute2, ".ignmask"}
 
+pat str $1==0
+with src4
+gen sprd %1, fp
+
+pat str $1==1
+with src4
+gen sprd %1, sp
+
 pat str $1==2
 with src4
 gen move %1, {absolute4, ".reghp"}