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// Copyright 2017 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
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
(function MultiReturnS128Test() {
print("MultiReturnS128Test");
// Most backends only support 2 fp return registers, so the third v128
// onwards here will written to caller stack slot.
let builder = new WasmModuleBuilder();
let sig_v_sssss = builder.addType(
makeSig([], [kWasmS128, kWasmS128, kWasmS128, kWasmS128, kWasmS128]));
let sig_iiiiiiiiii_v = builder.addType(
makeSig([], [kWasmI32, kWasmI32, kWasmI32, kWasmI32, kWasmI32, kWasmI32,
kWasmI32, kWasmI32, kWasmI32, kWasmI32] ));
let callee = builder.addFunction("callee", sig_v_sssss)
.addBody([
kExprI32Const, 0,
kSimdPrefix, kExprI32x4Splat,
kExprI32Const, 1,
kSimdPrefix, kExprI32x4Splat,
kExprI32Const, 2,
kSimdPrefix, kExprI32x4Splat,
kExprI32Const, 3,
kSimdPrefix, kExprI32x4Splat,
kExprI32Const, 4,
kSimdPrefix, kExprI32x4Splat,
kExprReturn]);
// For each v128 on the stack, we return the first and last lane. This help
// catch bugs with reading/writing the wrong stack slots.
builder.addFunction("main", sig_iiiiiiiiii_v)
.addLocals(kWasmI32, 10).addLocals(kWasmS128, 1)
.addBody([
kExprCallFunction, callee.index,
kExprLocalTee, 10,
kSimdPrefix, kExprI32x4ExtractLane, 0,
kExprLocalSet, 0,
kExprLocalGet, 10,
kSimdPrefix, kExprI32x4ExtractLane, 3,
kExprLocalSet, 1,
kExprLocalTee, 10,
kSimdPrefix, kExprI32x4ExtractLane, 0,
kExprLocalSet, 2,
kExprLocalGet, 10,
kSimdPrefix, kExprI32x4ExtractLane, 3,
kExprLocalSet, 3,
kExprLocalTee, 10,
kSimdPrefix, kExprI32x4ExtractLane, 0,
kExprLocalSet, 4,
kExprLocalGet, 10,
kSimdPrefix, kExprI32x4ExtractLane, 3,
kExprLocalSet, 5,
kExprLocalTee, 10,
kSimdPrefix, kExprI32x4ExtractLane, 0,
kExprLocalSet, 6,
kExprLocalGet, 10,
kSimdPrefix, kExprI32x4ExtractLane, 3,
kExprLocalSet, 7,
kExprLocalTee, 10,
kSimdPrefix, kExprI32x4ExtractLane, 0,
kExprLocalSet, 8,
kExprLocalGet, 10,
kSimdPrefix, kExprI32x4ExtractLane, 3,
kExprLocalSet, 9,
// Return all the stored locals.
kExprLocalGet, 0,
kExprLocalGet, 1,
kExprLocalGet, 2,
kExprLocalGet, 3,
kExprLocalGet, 4,
kExprLocalGet, 5,
kExprLocalGet, 6,
kExprLocalGet, 7,
kExprLocalGet, 8,
kExprLocalGet, 9,
])
.exportAs("main");
let module = new WebAssembly.Module(builder.toBuffer());
let instance = new WebAssembly.Instance(module);
assertEquals(instance.exports.main(), [4, 4, 3, 3, 2, 2, 1, 1, 0, 0]);
})();
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