[wasm] Mark all 64-bit instructions as supported on 32-bit platforms.

test/cctest/wasm/test-run-wasm.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 <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "src/base/platform/elapsed-timer.h"
 
@@ skipping 1732 matching lines @@
 TEST(Run_Wasm_Infinite_Loop_not_taken2_brif) {
   WasmRunner<int32_t> r(MachineType::Int32());
   BUILD(r,
         B2(WASM_BRV_IF(0, WASM_I8(45), WASM_GET_LOCAL(0)), WASM_INFINITE_LOOP));
   // Run the code, but don't go into the infinite loop.
   CHECK_EQ(45, r.Call(1));
 }
 
 
 static void TestBuildGraphForSimpleExpression(WasmOpcode opcode) {
-  if (!WasmOpcodes::IsSupported(opcode)) return;
-
   Isolate* isolate = CcTest::InitIsolateOnce();
   Zone zone(isolate->allocator());
   HandleScope scope(isolate);
   // Enable all optional operators.
   CommonOperatorBuilder common(&zone);
   MachineOperatorBuilder machine(&zone, MachineType::PointerRepresentation(),
                                  MachineOperatorBuilder::kAllOptionalOps);
   Graph graph(&zone);
   JSGraph jsgraph(isolate, &graph, &common, nullptr, nullptr, &machine);
   FunctionSig* sig = WasmOpcodes::Signature(opcode);
@@ skipping 1098 matching lines @@
   WasmRunner<int32_t> r(MachineType::Int32(), MachineType::Int32());
   BUILD(r, WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_ZERO);
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_EQ(0, r.Call(133, 100));
   CHECK_EQ(0, r.Call(kMin, -1));
   CHECK_EQ(0, r.Call(0, 1));
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, 0));
 }