Convert SIMD wasm ops to runtime function calls

test/mjsunit/wasm/test-wasm-module-builder.js

Index: test/mjsunit/wasm/test-wasm-module-builder.js
diff --git a/test/mjsunit/wasm/test-wasm-module-builder.js b/test/mjsunit/wasm/test-wasm-module-builder.js
index 969b550e8f8578c9b13e937fe3cd21e86d2b0b4d..64db0e1e9abe4fb1b8dbc977791dd0a4cd209d92 100644
--- a/test/mjsunit/wasm/test-wasm-module-builder.js
+++ b/test/mjsunit/wasm/test-wasm-module-builder.js
@@ -99,6 +99,17 @@ var debug = false;
     assertThrows(function() { instance.exports.main(1, 1, 1); });
 })();
 
+(function SimdSplatExtractTest() {
+  print("simd test");
+  var module = new WasmModuleBuilder();
+  module.addFunction("splatextract", kSig_i_ii)
+      .addBody([kExprGetLocal, 0, kExprInt32x4Splat,
+          kExprGetLocal, 1, kExprInt32x4ExtractLane])
+      .exportAs("main");
+  var instance = module.instantiate();
+  assertEquals(123, instance.exports.main(123, 2));
+})();
+
 (function DataSegmentTest() {
     var module = new WasmModuleBuilder();
     module.addMemory(1, 1, false);