38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
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// Copyright 2020 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: --experimental-wasm-simd
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load("test/mjsunit/wasm/wasm-module-builder.js");
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// Test for S128 global with initialization.
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// This checks for a bug in copying the immediate values from the
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// initialization expression into the globals area of the module.
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(function TestS128() {
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var builder = new WasmModuleBuilder();
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var g = builder.addGlobal(kWasmS128);
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g.init = [1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0];
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// Check that all lanes have the right values by creating 4 functions that
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// extract each lane.
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function addGetFunction(i) {
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builder.addFunction(`get${i}`, kSig_i_v)
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.addBody([
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kExprGlobalGet, g.index,
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kSimdPrefix, kExprI32x4ExtractLane, i])
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.exportAs(`get${i}`);
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}
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for (let i = 0; i < 4; i++) {
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addGetFunction(i);
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}
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var instance = builder.instantiate();
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for (let i = 0; i < 4; i++) {
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// get0 will get lane0, which has value 1
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assertEquals(i+1, instance.exports[`get${i}`]());
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}
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})();
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