[wasm-simd][fuzzer] Add i64x2.widen_i32x4_{s,u}

Bug: v8:10972
Change-Id: I00651064c1c17ce4ddc8669f00f904257387d613
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2644068Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72267}

test/fuzzer/wasm-compile.cc

@@ -1520,6 +1520,15 @@ void WasmGenerator::Generate<ValueType::kS128>(DataRange* data) {
       &WasmGenerator::op_with_prefix<kExprF64x2Trunc, ValueType::kS128>,
       &WasmGenerator::op_with_prefix<kExprF64x2NearestInt, ValueType::kS128>,
 
+      &WasmGenerator::op_with_prefix<kExprI64x2SConvertI32x4Low,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprI64x2SConvertI32x4High,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprI64x2UConvertI32x4Low,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprI64x2UConvertI32x4High,
+                                     ValueType::kS128>,
+
       &WasmGenerator::op_with_prefix<kExprI32x4SConvertF32x4, ValueType::kS128>,
       &WasmGenerator::op_with_prefix<kExprI32x4UConvertF32x4, ValueType::kS128>,
       &WasmGenerator::op_with_prefix<kExprF32x4SConvertI32x4, ValueType::kS128>,