9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
// Copyright 2024 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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const builder = new WasmModuleBuilder();
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let $sig0 = builder.addType(kSig_v_v);
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let $sig1 = builder.addType(kSig_v_i, kNoSuperType, false);
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let $func0 = builder.addFunction("func0", $sig1).addBody([]);
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let $func1 = builder.addFunction("func1", $sig0).exportFunc();
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let $table0 = builder.addTable(kWasmFuncRef, 1, 1);
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builder.addActiveElementSegment($table0.index, wasmI32Const(0), [$func0.index]);
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$func1
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.addLocals(kWasmI32, 11)
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.addBody([
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// Shuffle some values around to waste cache registers.
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kExprLocalGet, 0,
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kExprLocalSet, 1,
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kExprLocalGet, 2,
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kExprLocalSet, 3,
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kExprLocalGet, 4,
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kExprLocalSet, 5,
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kExprLocalGet, 6,
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kExprLocalSet, 7,
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kExprLocalGet, 8,
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kExprLocalSet, 9,
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// Perform an indirect call with full subtype check.
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kExprLocalGet, 1, // parameter
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kExprLocalGet, 0, // index in table
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kExprCallIndirect, ...wasmSignedLeb($sig1), $table0.index,
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]);
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var instance = builder.instantiate({});
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instance.exports.func1();
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