[wasm] Fix and enable more tests.

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/wasm/wasm-macro-gen.h"
 
@@ skipping 2071 matching lines @@
     FOR_FLOAT32_INPUTS(j) { CHECK_FLOAT_EQ(*i - *j, r.Call(*i, *j)); }
   }
 }
 
 
 TEST(Run_WasmCall_Float64Sub) {
   TestingModule module;
   double* memory = module.AddMemoryElems<double>(16);
   WasmRunner<int32_t> r(&module);
 
-  // TODO(titzer): convert to a binop test.
   BUILD(r, WASM_BLOCK(
                2, WASM_STORE_MEM(
                       MachineType::Float64(), WASM_ZERO,
                       WASM_F64_SUB(
                           WASM_LOAD_MEM(MachineType::Float64(), WASM_ZERO),
                           WASM_LOAD_MEM(MachineType::Float64(), WASM_I8(8)))),
                WASM_I8(107)));
 
   FOR_FLOAT64_INPUTS(i) {
     FOR_FLOAT64_INPUTS(j) {
@@ skipping 711 matching lines @@
 
 #if WASM_64
 TEST(Compile_Wasm_CallIndirect_Many_i64) { CompileCallIndirectMany(kAstI64); }
 #endif
 
 
 TEST(Compile_Wasm_CallIndirect_Many_f32) { CompileCallIndirectMany(kAstF32); }
 
 
 TEST(Compile_Wasm_CallIndirect_Many_f64) { CompileCallIndirectMany(kAstF64); }