[wasm] Implement simd lowering for I16x8

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

Index: test/cctest/wasm/test-run-wasm-simd.cc
diff --git a/test/cctest/wasm/test-run-wasm-simd.cc b/test/cctest/wasm/test-run-wasm-simd.cc
index 58f1d6559c622a9b87e4054a8e23b981986c3e90..e5c5d349b27279aaf93d281adee12423fe81aea2 100644
--- a/test/cctest/wasm/test-run-wasm-simd.cc
+++ b/test/cctest/wasm/test-run-wasm-simd.cc
@@ -660,7 +660,7 @@ WASM_EXEC_COMPILED_TEST(I32x4ReplaceLane) {
   CHECK_EQ(1, r.Call(1, 2));
 }
 
-#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64
+#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64 || SIMD_LOWERING_TARGET
 WASM_EXEC_COMPILED_TEST(I16x8Splat) {
   FLAG_wasm_simd_prototype = true;
 
@@ -723,7 +723,9 @@ WASM_EXEC_COMPILED_TEST(I16x8ReplaceLane) {
 
   CHECK_EQ(1, r.Call(1, 2));
 }
+#endif  // V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64 || SIMD_LOWERING_TARGET
 
+#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64
 WASM_EXEC_COMPILED_TEST(I8x16Splat) {
   FLAG_wasm_simd_prototype = true;
 
@@ -1179,7 +1181,7 @@ WASM_EXEC_COMPILED_TEST(I16x8ConvertI32x4) {
 }
 #endif  // V8_TARGET_ARCH_ARM
 
-#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64
+#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64 || SIMD_LOWERING_TARGET
 void RunI16x8BinOpTest(WasmOpcode simd_op, Int16BinOp expected_op) {
   FLAG_wasm_simd_prototype = true;
   WasmRunner<int32_t, int32_t, int32_t, int32_t> r(kExecuteCompiled);
@@ -1263,9 +1265,9 @@ WASM_EXEC_COMPILED_TEST(I16x8Eq) { RunI16x8CompareOpTest(kExprI16x8Eq, Equal); }
 WASM_EXEC_COMPILED_TEST(I16x8Ne) {
   RunI16x8CompareOpTest(kExprI16x8Ne, NotEqual);
 }
-#endif  // V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64
+#endif  // V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64 || SIMD_LOWERING_TARGET
 
-#if V8_TARGET_ARCH_ARM
+#if V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 WASM_EXEC_COMPILED_TEST(I16x8LtS) {
   RunI16x8CompareOpTest(kExprI16x8LtS, Less);
 }
@@ -1297,9 +1299,9 @@ WASM_EXEC_COMPILED_TEST(I16x8LtU) {
 WASM_EXEC_COMPILED_TEST(I16x8LeU) {
   RunI16x8CompareOpTest(kExprI16x8LeU, UnsignedLessEqual);
 }
-#endif  // V8_TARGET_ARCH_ARM
+#endif  // V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 
-#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64
+#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64 || SIMD_LOWERING_TARGET
 void RunI16x8ShiftOpTest(WasmOpcode simd_op, Int16ShiftOp expected_op,
                          int shift) {
   FLAG_wasm_simd_prototype = true;
@@ -1326,7 +1328,7 @@ WASM_EXEC_COMPILED_TEST(I16x8ShrS) {
 WASM_EXEC_COMPILED_TEST(I16x8ShrU) {
   RunI16x8ShiftOpTest(kExprI16x8ShrU, LogicalShiftRight, 1);
 }
-#endif  // V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64
+#endif  // V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X64 || SIMD_LOWERING_TARGET
 
 #if V8_TARGET_ARCH_ARM
 void RunI8x16UnOpTest(WasmOpcode simd_op, Int8UnOp expected_op) {