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