--- /dev/null
+# xstormy16 testcase for dec $Rd,#$imm2 -*- Asm -*-
+# mach: all
+
+ .include "testutils.inc"
+
+ start
+
+ .global decgrimm2
+decgrimm2:
+ mov r9, #10
+ dec r9, #3
+ assert r9, 6
+ dec r9, #2
+ assert r9, 3
+
+ br okay
+
+wrong:
+ fail
+okay:
+ pass