[ARM] Add Neon shift instructions vshl, vshr.

test/cctest/test-disasm-arm.cc

Index: test/cctest/test-disasm-arm.cc
diff --git a/test/cctest/test-disasm-arm.cc b/test/cctest/test-disasm-arm.cc
index 3ba6bee8d4e7932b457aa0ec961b99b408a5e177..e02dabeb9c8d97d0c138d4b502fbee0794179a03 100644
--- a/test/cctest/test-disasm-arm.cc
+++ b/test/cctest/test-disasm-arm.cc
@@ -1063,6 +1063,18 @@ TEST(Neon) {
               "f2142970       vmul.i16 q1, q2, q8");
       COMPARE(vmul(Neon32, q15, q0, q8),
               "f260e970       vmul.i32 q15, q0, q8");
+      COMPARE(vshl(NeonS8, q15, q0, 6),
+              "f2cee550       vshl.i8 q15, q0, #6");
+      COMPARE(vshl(NeonU16, q15, q0, 10),
+              "f2dae550       vshl.i16 q15, q0, #10");
+      COMPARE(vshl(NeonS32, q15, q0, 17),
+              "f2f1e550       vshl.i32 q15, q0, #17");
+      COMPARE(vshr(NeonS8, q15, q0, 6),
+              "f2cae050       vshr.s8 q15, q0, #6");
+      COMPARE(vshr(NeonU16, q15, q0, 10),
+              "f3d6e050       vshr.u16 q15, q0, #10");
+      COMPARE(vshr(NeonS32, q15, q0, 17),
+              "f2efe050       vshr.s32 q15, q0, #17");
       COMPARE(vrecpe(q15, q0),
               "f3fbe540       vrecpe.f32 q15, q0");
       COMPARE(vrecps(q15, q0, q8),