9e55d25735
It's been enabled by default since Chrome 91. Bug: v8:6020 Change-Id: Id26b7fb0b7dffe19a88a6f0071dd59203b06415a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3957636 Reviewed-by: Deepti Gandluri <gdeepti@chromium.org> Commit-Queue: Adam Klein <adamk@chromium.org> Cr-Commit-Position: refs/heads/main@{#83862}
65 lines
2.0 KiB
JavaScript
65 lines
2.0 KiB
JavaScript
// 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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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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// Tests function calls containing s128 parameters. It also checks that
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// lowering of simd calls are correct, so we create 2 functions with s128
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// arguments: function 2 has a single s128 parameter, function 3 has a i32 then
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// s128, to ensure that the arguments in different indices are correctly lowered.
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(function TestSimd128Params() {
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const builder = new WasmModuleBuilder();
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builder.addImportedMemory('m', 'imported_mem', 1, 2);
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builder
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.addFunction("main", makeSig([], []))
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.addBodyWithEnd([
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kExprI32Const, 0,
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kSimdPrefix, kExprS128LoadMem, 0, 0,
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kExprCallFunction, 0x01,
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kExprEnd,
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]);
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// Writes s128 argument to memory starting byte 16.
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builder
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.addFunction("function2", makeSig([kWasmS128], []))
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.addBodyWithEnd([
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kExprI32Const, 16,
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kExprLocalGet, 0,
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kSimdPrefix, kExprS128StoreMem, 0, 0,
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kExprI32Const, 9, // This constant doesn't matter.
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kExprLocalGet, 0,
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kExprCallFunction, 0x02,
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kExprEnd,
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]);
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// Writes s128 argument to memory starting byte 32.
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builder
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.addFunction("function3", makeSig([kWasmI32, kWasmS128], []))
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.addBodyWithEnd([
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kExprI32Const, 32,
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kExprLocalGet, 1,
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kSimdPrefix, kExprS128StoreMem, 0, 0,
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kExprEnd,
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]);
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builder.addExport('main', 0);
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var memory = new WebAssembly.Memory({initial:1, maximum:2});
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const instance = builder.instantiate({m: {imported_mem: memory}});
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const arr = new Uint8Array(memory.buffer);
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// Fill the initial memory with some values, this is read by main and passed
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// as arguments to function2, and then to function3.
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for (let i = 0; i < 16; i++) {
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arr[i] = i * 2;
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}
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instance.exports.main();
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for (let i = 0; i < 16; i++) {
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assertEquals(arr[i], arr[i+16]);
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assertEquals(arr[i], arr[i+32]);
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}
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})();
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