Thumb2 assembly parsing and encoding for SSAT16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139927 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index 3b25feb..d960f1e 100644
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -2065,6 +2065,16 @@
 
 
 @------------------------------------------------------------------------------
+@ SSAT16
+@------------------------------------------------------------------------------
+        ssat16	r2, #1, r7
+        ssat16	r3, #16, r5
+
+@ CHECK: ssat16	r2, #1, r7              @ encoding: [0x27,0xf3,0x00,0x02]
+@ CHECK: ssat16	r3, #16, r5             @ encoding: [0x25,0xf3,0x0f,0x03]
+
+
+@------------------------------------------------------------------------------
 @ SUB (register)
 @------------------------------------------------------------------------------
         sub.w r5, r2, r12, rrx