1d29d81c69
PR-URL: https://github.com/nodejs/node/pull/52293 Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --wasm-staging
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const builder = new WasmModuleBuilder();
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builder.addMemory(1, 1, true);
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builder.addGlobal(kWasmI32, true, false);
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builder.addFunction(undefined, kSig_v_i)
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.addLocals(kWasmI32, 5)
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.addBody([
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// signature: v_i
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// body:
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kExprGlobalGet, 0x00, // global.get
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kExprI32Const, 0x10, // i32.const
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kExprI32Sub, // i32.sub
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kExprLocalTee, 0x02, // local.tee
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kExprGlobalSet, 0x00, // global.set
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kExprBlock, kWasmVoid, // block @12
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kExprLocalGet, 0x00, // local.get
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kExprI32LoadMem, 0x02, 0x00, // i32.load
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kExprI32Eqz, // i32.eqz
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kExprIf, kWasmVoid, // if @20
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kExprLocalGet, 0x02, // local.get
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kExprI32Const, 0x00, // i32.const
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kExprI32StoreMem, 0x02, 0x0c, // i32.store
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kExprLocalGet, 0x00, // local.get
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kExprI32Const, 0x20, // i32.const
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kExprI32Add, // i32.add
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kExprLocalSet, 0x05, // local.set
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kExprLocalGet, 0x00, // local.get
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kExprI32Const, 0x00, // i32.const
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kExprI32Const, 0x01, // i32.const
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kAtomicPrefix, kExprI32AtomicCompareExchange, 0x02, 0x20, // i32.atomic.cmpxchng32
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]);
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assertThrows(() => builder.toModule(), WebAssembly.CompileError);
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