6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
// Copyright 2022 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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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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let builder = new WasmModuleBuilder();
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const kSmallValue = 0x02;
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const kBigValue = 0x04; // "Big" is relative.
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const min = kExprF64x2Pmin;
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const max = kExprF64x2Pmax;
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function GetFunctionName(instruction, flags) {
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return [instruction == min ? "min" : "max", flags].join("_");
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}
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function AddFunction(instruction, flags) {
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// Liftoff's register management won't reuse an input as the output when
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// the same value has another use, such as a local.
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const pin_left = (flags & 1) != 0;
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const pin_right = (flags & 2) != 0;
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// Test both possible permutations of the inputs.
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const small_left = (flags & 4) != 0;
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let body = [].concat(
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[
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kExprI64Const, small_left ? kSmallValue : kBigValue,
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kSimdPrefix, kExprI64x2Splat,
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],
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pin_left ? [kExprLocalSet, 0,
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kExprLocalGet, 0] : [],
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[
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kExprI64Const, small_left ? kBigValue : kSmallValue,
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kSimdPrefix,kExprI64x2Splat,
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],
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pin_right ? [kExprLocalSet, 1,
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kExprLocalGet, 1] : [],
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[
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kSimdPrefix, instruction, 0x01,
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kSimdPrefix, kExprI64x2ExtractLane, 0x00,
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]);
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builder.addFunction(GetFunctionName(instruction, flags), kSig_l_v)
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.exportFunc()
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.addLocals(kWasmS128, 2)
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.addBody(body);
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}
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for (let instruction of [min, max]) {
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for (let flags = 0; flags <= 7; flags++) {
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AddFunction(instruction, flags);
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}
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}
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let instance = builder.instantiate();
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for (let instruction of [min, max]) {
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let expected = instruction == min ? kSmallValue : kBigValue;
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for (let flags = 0; flags <= 7; flags++) {
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let actual = instance.exports[GetFunctionName(instruction, flags)]();
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assertEquals(BigInt(expected), actual);
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}
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}
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