17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
// Copyright 2023 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: --no-liftoff
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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let bases = [0n, 1234n, 4294967296n, -4294967297n];
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let expects = [0n, 1234n, 0n, -1n];
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for (let i = 0; i < bases.length; ++i) {
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let builder = new WasmModuleBuilder();
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let g0 = builder.addImportedGlobal("mod", "g0", kWasmI64, true);
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builder.addExportOfKind('g0', kExternalGlobal, g0);
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builder.addFunction("trunci64", kSig_v_v)
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.addBody([
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kExprGlobalGet, g0,
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kExprI32ConvertI64,
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kExprI64SConvertI32,
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kExprGlobalSet, g0,
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]).exportAs("trunci64");
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let to_imported =
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new WebAssembly.Global({value: 'i64', mutable: true}, bases[i]);
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let instance = builder.instantiate({mod: { g0: to_imported }});
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assertEquals(bases[i], instance.exports.g0.value);
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instance.exports.trunci64();
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assertEquals(expects[i], instance.exports.g0.value);
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}
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for (let i = 0; i < bases.length; ++i) {
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let builder = new WasmModuleBuilder();
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builder.addMemory(1, 1);
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builder.exportMemoryAs("memory");
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builder.addFunction("trunci64", kSig_l_v).exportFunc().addBody([
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kExprI32Const, 0, // address for load: 0
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kExprI64LoadMem, 0, 0, // alignment 0, offset 0
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kExprI32ConvertI64,
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kExprI64SConvertI32,
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]);
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let instance = builder.instantiate();
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let mem = new DataView(instance.exports.memory.buffer)
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mem.setBigInt64(0, bases[i], true);
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let result = instance.exports.trunci64();
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assertEquals(result, expects[i]);
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}
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