forked from LeenkxTeam/Kmake
23 lines
903 B
JavaScript
23 lines
903 B
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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// Flags: --allow-natives-syntax --turbolev --turbofan
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function truncate_number_to_int32(d, b) {
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let v1 = d ^ 42; // Checked NumberOrOddball truncation
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let p1 = b ? 4.26 : undefined;
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let v2 = p1 | 11; // (unchecked) NumberOrOddball truncation
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let p2 = b ? 3.35 : 4.59;
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let v3 = p2 & 255; // (unchecked) Float64 truncation
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return v1 + v2 + v3;
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}
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%PrepareFunctionForOptimization(truncate_number_to_int32);
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assertEquals(61, truncate_number_to_int32(1.253, 1));
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assertEquals(58, truncate_number_to_int32(1.253, 0));
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%OptimizeFunctionOnNextCall(truncate_number_to_int32);
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assertEquals(61, truncate_number_to_int32(1.253, 1));
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assertEquals(58, truncate_number_to_int32(1.253, 0));
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assertOptimized(truncate_number_to_int32);
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