918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
35 lines
1.0 KiB
JavaScript
35 lines
1.0 KiB
JavaScript
// Copyright 2025 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: --allow-natives-syntax
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let builder = new WasmModuleBuilder();
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builder.addFunction("flushed", kSig_i_v).exportFunc().addBody([
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...wasmF64Const(Number.MIN_VALUE),
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...wasmF64Const(2),
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kExprF64Mul,
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...wasmF64Const(0),
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kExprF64Eq,
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kExprIf, kWasmI32,
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kExprI32Const, 1,
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kExprElse,
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kExprI32Const, 0,
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kExprEnd,
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]);
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let inst1 = builder.instantiate();
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assertEquals(0, inst1.exports.flushed());
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d8.test.setFlushDenormals(true);
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let inst2 = builder.instantiate();
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let result1 = %IsLiftoffFunction(inst1.exports.flushed) ? 1 : 0;
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assertEquals(result1, inst1.exports.flushed());
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assertEquals(1, inst2.exports.flushed());
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d8.test.setFlushDenormals(false);
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assertEquals(0, inst1.exports.flushed());
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let result2 = %IsLiftoffFunction(inst2.exports.flushed) ? 0 : 1;
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assertEquals(result2, inst2.exports.flushed());
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