50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
// Copyright 2021 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: --wasm-staging
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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// This is a regression test that is minimized and manually trimmed down. It
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// exercises a bug in our attempt to canonicalize shuffle in platform
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// independent code, see
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// https://bugs.chromium.org/p/v8/issues/detail?id=11542#c6.
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const builder = new WasmModuleBuilder();
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builder.addType(makeSig([kWasmI32, kWasmI32, kWasmI32], [kWasmI32]));
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// Generate function 1 (out of 1).
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builder.addFunction(undefined, 0 /* sig */).addBodyWithEnd([
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// signature: i_iii
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// body:
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kExprI32Const, 0x00, // i32.const
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kSimdPrefix, kExprI8x16Splat, // i8x16.splat
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kExprI32Const, 0x00, // i32.const
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kSimdPrefix, kExprI8x16Splat, // i8x16.splat
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kSimdPrefix, kExprI8x16Shuffle,
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0x00, 0x15,
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0x00, 0x00,
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0x00, 0x00,
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0x00, 0x00,
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0x00, 0x00,
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0x00, 0x00,
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0x00, 0x00,
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0x00, 0x00, // i8x16.shuffle
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kSimdPrefix, kExprI64x2BitMask,
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0x01, // i64x2.bitmask
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kExprEnd, // end @30
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]);
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builder.addExport('main', 0);
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const instance = builder.instantiate();
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assertEquals(0, instance.exports.main(1, 2, 3));
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