[wasm] Initial commit for the Int64Reducer.

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 98 matching lines @@
     WasmRunner<int64_t> r;
     const int64_t kExpectedValue = (static_cast<int64_t>(*i) << 32) | cntr;
     // return(kExpectedValue)
     BUILD(r, WASM_I64(kExpectedValue));
     CHECK_EQ(kExpectedValue, r.Call());
     cntr++;
   }
 }
 #endif
 
+TEST(Run_WasmI32ConvertI64) {
+  FOR_INT64_INPUTS(i) {
+    WasmRunner<int32_t> r;
+    BUILD(r, WASM_I32_CONVERT_I64(WASM_I64(*i)));
+    CHECK_EQ(static_cast<int32_t>(*i), r.Call());
+  }
+}
+
+TEST(Run_WasmI64AndConstants) {
+  FOR_INT64_INPUTS(i) {
+    FOR_INT64_INPUTS(j) {
+      WasmRunner<int32_t> r;
+      BUILD(r, WASM_I32_CONVERT_I64(WASM_I64_AND(WASM_I64(*i), WASM_I64(*j))));
+      CHECK_EQ(static_cast<int32_t>(*i & *j), r.Call());
+    }
+  }
+}
 
 TEST(Run_WasmInt32Param0) {
   WasmRunner<int32_t> r(MachineType::Int32());
   // return(local[0])
   BUILD(r, WASM_GET_LOCAL(0));
   FOR_INT32_INPUTS(i) { CHECK_EQ(*i, r.Call(*i)); }
 }
 
 
 TEST(Run_WasmInt32Param0_fallthru) {
@@ skipping 80 matching lines @@
     CHECK_EQ(expected, r.Call());
   }
   {
     WasmRunner<int32_t> r(MachineType::Int32(), MachineType::Int32());
     // a op b
     BUILD(r, WASM_BINOP(opcode, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
     CHECK_EQ(expected, r.Call(a, b));
   }
 }
 
-
 TEST(Run_WasmInt32Binops) {
   TestInt32Binop(kExprI32Add, 88888888, 33333333, 55555555);
   TestInt32Binop(kExprI32Sub, -1111111, 7777777, 8888888);
   TestInt32Binop(kExprI32Mul, 65130756, 88734, 734);
   TestInt32Binop(kExprI32DivS, -66, -4777344, 72384);
   TestInt32Binop(kExprI32DivU, 805306368, 0xF0000000, 5);
   TestInt32Binop(kExprI32RemS, -3, -3003, 1000);
   TestInt32Binop(kExprI32RemU, 4, 4004, 1000);
   TestInt32Binop(kExprI32And, 0xEE, 0xFFEE, 0xFF0000FF);
   TestInt32Binop(kExprI32Ior, 0xF0FF00FF, 0xF0F000EE, 0x000F0011);
@@ skipping 3093 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); }