1210d0c1df
Word8 and Word16 representation is treated like Word32 for the sake of TurboFan's representation selection, but this was missing from the Word64 conversions. Bug: chromium:884933, v8:4153, v8:7881, v8:8171, v8:8178 Change-Id: If7b69cdd02b12546d87bba0643e9ee9cb35cb299 Reviewed-on: https://chromium-review.googlesource.com/1229953 Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#55983}
86 lines
1.8 KiB
JavaScript
86 lines
1.8 KiB
JavaScript
// Copyright 2018 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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// Test Uint8 -> Word64 conversions.
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(function() {
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function bar(x, y) {
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return x + y;
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}
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bar(0.1, 0.2);
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bar(0.1, 0.2);
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function foo(dv) {
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return bar(dv.getUint8(0, true), 0xFFFFFFFF);
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}
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const dv = new DataView(new ArrayBuffer(8));
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assertEquals(0xFFFFFFFF, foo(dv));
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assertEquals(0xFFFFFFFF, foo(dv));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(0xFFFFFFFF, foo(dv));
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})();
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// Test Int8 -> Word64 conversions.
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(function() {
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function bar(x, y) {
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return x + y;
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}
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bar(0.1, 0.2);
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bar(0.1, 0.2);
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function foo(dv) {
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return bar(dv.getInt8(0, true), 0xFFFFFFFF);
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}
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const dv = new DataView(new ArrayBuffer(8));
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assertEquals(0xFFFFFFFF, foo(dv));
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assertEquals(0xFFFFFFFF, foo(dv));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(0xFFFFFFFF, foo(dv));
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})();
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// Test Uint16 -> Word64 conversions.
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(function() {
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function bar(x, y) {
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return x + y;
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}
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bar(0.1, 0.2);
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bar(0.1, 0.2);
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function foo(dv) {
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return bar(dv.getUint16(0, true), 0xFFFFFFFF);
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}
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const dv = new DataView(new ArrayBuffer(8));
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assertEquals(0xFFFFFFFF, foo(dv));
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assertEquals(0xFFFFFFFF, foo(dv));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(0xFFFFFFFF, foo(dv));
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})();
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// Test Int16 -> Word64 conversions.
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(function() {
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function bar(x, y) {
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return x + y;
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}
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bar(0.1, 0.2);
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bar(0.1, 0.2);
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function foo(dv) {
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return bar(dv.getInt16(0, true), 0xFFFFFFFF);
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}
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const dv = new DataView(new ArrayBuffer(8));
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assertEquals(0xFFFFFFFF, foo(dv));
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assertEquals(0xFFFFFFFF, foo(dv));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(0xFFFFFFFF, foo(dv));
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})();
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