[wasm] Implement wasm x64 I16x8 Ops

test/cctest/test-disasm-x64.cc

Index: test/cctest/test-disasm-x64.cc
diff --git a/test/cctest/test-disasm-x64.cc b/test/cctest/test-disasm-x64.cc
index 8ab35365b829e13bbd16230012661538e39dab84..41f06a61bb402b52d704c7bf90d9d94a11234fe5 100644
--- a/test/cctest/test-disasm-x64.cc
+++ b/test/cctest/test-disasm-x64.cc
@@ -469,6 +469,9 @@ TEST(DisasmX64) {
     __ punpckldq(xmm5, Operand(rdx, 4));
     __ punpckhdq(xmm8, xmm15);
 
+    __ pshuflw(xmm2, xmm4, 3);
+    __ pshufhw(xmm1, xmm9, 6);
+
 #define EMIT_SSE2_INSTR(instruction, notUsed1, notUsed2, notUsed3) \
   __ instruction(xmm5, xmm1);                                      \
   __ instruction(xmm5, Operand(rdx, 4));
@@ -521,6 +524,7 @@ TEST(DisasmX64) {
       __ insertps(xmm5, xmm1, 123);
       __ extractps(rax, xmm1, 0);
       __ pextrw(rbx, xmm2, 1);
+      __ pinsrw(xmm2, rcx, 1);
       __ pextrd(rbx, xmm15, 0);
       __ pextrd(r12, xmm0, 1);
       __ pinsrd(xmm9, r9, 0);