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// Copyright 2017 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.
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function AddTest() {
let builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i_v)
.addBody([
kExprBlock, kWasmStmt,
kExprI64Const, 0,
// 0x80 ... 0x10 is the LEB encoding of 0x100000000. This is chosen so
// that the 64-bit constant has a non-zero top half. In this bug, the
// top half was clobbering eax, leading to the function return 1 rather
// than 0.
kExprI64Const, 0x80, 0x80, 0x80, 0x80, 0x10,
kExprI64Add,
kExprI64Eqz,
kExprBrIf, 0,
kExprI32Const, 0,
kExprReturn,
kExprEnd,
kExprI32Const, 0
])
.exportFunc();
let module = builder.instantiate();
assertEquals(0, module.exports.main());
})();
(function SubTest() {
let builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i_v)
.addBody([
kExprBlock, kWasmStmt,
kExprI64Const, 0,
// 0x80 ... 0x10 is the LEB encoding of 0x100000000. This is chosen so
// that the 64-bit constant has a non-zero top half. In this bug, the
// top half was clobbering eax, leading to the function return 1 rather
// than 0.
kExprI64Const, 0x80, 0x80, 0x80, 0x80, 0x10,
kExprI64Sub,
kExprI64Eqz,
kExprBrIf, 0,
kExprI32Const, 0,
kExprReturn,
kExprEnd,
kExprI32Const, 0
])
.exportFunc();
let module = builder.instantiate();
assertEquals(0, module.exports.main());
})();
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