Thumb2 assembly parsing and encoding for USAT16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140118 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index ea91b2b..3732fd2 100644
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -2902,3 +2902,13 @@
 @ CHECK: usat	r8, #5, r10, lsl #31    @ encoding: [0x8a,0xf3,0xc5,0x78]
 @ CHECK: usat	r8, #31, r10, asr #32   @ encoding: [0xaa,0xf3,0x1f,0x08]
 @ CHECK: usat	r8, #16, r10, asr #1    @ encoding: [0xaa,0xf3,0x50,0x08]
+
+
+@------------------------------------------------------------------------------
+@ USAT16
+@------------------------------------------------------------------------------
+        usat16	r2, #2, r7
+        usat16	r3, #15, r5
+
+@ CHECK: usat16	r2, #2, r7              @ encoding: [0xa7,0xf3,0x02,0x02]
+@ CHECK: usat16	r3, #15, r5             @ encoding: [0xa5,0xf3,0x0f,0x03]