[wasm-simd][fuzzer] Add double precision conversions

Bug: v8:11265
Change-Id: I133c050a4d4c479c2d5adb1b95ef758d2875e773
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2692731Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72795}

test/fuzzer/wasm-compile.cc

@@ -1536,6 +1536,19 @@ 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<kExprF64x2PromoteLowF32x4,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprF64x2ConvertLowI32x4S,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprF64x2ConvertLowI32x4U,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprF32x4DemoteF64x2Zero,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprI32x4TruncSatF64x2SZero,
+                                     ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprI32x4TruncSatF64x2UZero,
+                                     ValueType::kS128>,
+
       &WasmGenerator::op_with_prefix<kExprI64x2SConvertI32x4Low,
                                      ValueType::kS128>,
       &WasmGenerator::op_with_prefix<kExprI64x2SConvertI32x4High,