Convert SIMD wasm ops to runtime function calls

test/cctest/wasm/test-run-wasm-simd.cc

+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "src/wasm/encoder.h"
+#include "src/wasm/wasm-js.h"
+#include "src/wasm/wasm-macro-gen.h"
+#include "src/wasm/wasm-module.h"
+#include "src/wasm/wasm-opcodes.h"
+
+#include "test/cctest/cctest.h"
+#include "test/cctest/wasm/test-signatures.h"
+
+using namespace v8::base;
+using namespace v8::internal;
+using namespace v8::internal::compiler;
+using namespace v8::internal::wasm;
+
+namespace {
+void TestModule(Zone* zone, WasmModuleBuilder* builder,
+                int32_t expected_result) {
+  FLAG_wasm_simd_prototype = true;
+  FLAG_wasm_num_compilation_tasks = 0;
+  ZoneBuffer buffer(zone);
+  builder->WriteTo(buffer);
+
+  Isolate* isolate = CcTest::InitIsolateOnce();
+  HandleScope scope(isolate);
+  WasmJs::InstallWasmFunctionMap(isolate, isolate->native_context());
+  int32_t result =
+      testing::CompileAndRunWasmModule(isolate, buffer.begin(), buffer.end());
+  CHECK_EQ(expected_result, result);
+}
+
+void ExportAsMain(WasmFunctionBuilder* f) {
+  static const char kMainName[] = "main";
+  f->SetExported();
+  f->SetName(kMainName, arraysize(kMainName) - 1);
+}
+}  // namespace
+
+TEST(Run_WasmMoule_simd) {
+  v8::base::AccountingAllocator allocator;
+  Zone zone(&allocator);
+  TestSignatures sigs;
+
+  WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
+  uint16_t f_index = builder->AddFunction();
+  WasmFunctionBuilder* f = builder->FunctionAt(f_index);
+  f->SetSignature(sigs.i_i());
+  ExportAsMain(f);
+
+  byte code[] = {WASM_SIMD_I32x4_EXTRACT_LANE(
+      WASM_SIMD_I32x4_SPLAT(WASM_I8(123)), WASM_I8(2))};
+  f->EmitCode(code, sizeof(code));
+  TestModule(&zone, builder, 123);
+}