Upload Kmake

deps/v8/test/mjsunit/turboshaft/maglev-frontend/number-float-truncate.js

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+// Copyright 2024 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: --allow-natives-syntax --turbolev --turbofan
+
+function truncate_number_to_int32(d, b) {
+  let v1 = d ^ 42;  // Checked NumberOrOddball truncation
+  let p1 = b ? 4.26 : undefined;
+  let v2 = p1 | 11;  // (unchecked) NumberOrOddball truncation
+  let p2 = b ? 3.35 : 4.59;
+  let v3 = p2 & 255;  // (unchecked) Float64 truncation
+  return v1 + v2 + v3;
+}
+
+%PrepareFunctionForOptimization(truncate_number_to_int32);
+assertEquals(61, truncate_number_to_int32(1.253, 1));
+assertEquals(58, truncate_number_to_int32(1.253, 0));
+%OptimizeFunctionOnNextCall(truncate_number_to_int32);
+assertEquals(61, truncate_number_to_int32(1.253, 1));
+assertEquals(58, truncate_number_to_int32(1.253, 0));
+assertOptimized(truncate_number_to_int32);