7ada6c8bbc
Add an unboxing double field load node, and fix a couple of locations where it might be used enough to pass tests. Bug: v8:7700 Change-Id: Ic134484e87a4fa363cbd8a3de667ac8e8116d502 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610623 Reviewed-by: Victor Gomes <victorgomes@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#80221}
60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
// Copyright 2022 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 --maglev --no-stress-opt
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// Checks simple monomorphic load of a Smi field works
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(function() {
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function load(o) {
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return o.smi;
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}
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%PrepareFunctionForOptimization(load);
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assertEquals(42, load({smi:42}));
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%OptimizeMaglevOnNextCall(load);
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assertEquals(42, load({smi:42}));
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assertTrue(isMaglevved(load));
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// We should deopt here.
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assertEquals(42, load({y:0, smi:42}));
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assertFalse(isMaglevved(load));
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})();
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// Checks simple monomorphic load of a Double field works
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(function() {
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function load(o) {
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return o.float64;
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}
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%PrepareFunctionForOptimization(load);
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assertEquals(42.5, load({float64:42.5}));
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%OptimizeMaglevOnNextCall(load);
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assertEquals(42.5, load({float64:42.5}));
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assertTrue(isMaglevved(load));
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// We should deopt here.
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assertEquals(42.5, load({y:0, float64:42.5}));
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assertFalse(isMaglevved(load));
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})();
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// Checks simple monomorphic load of a Double field works with a float64 add.
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(function() {
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function load(o) {
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return o.float64 + o.float64;
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}
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%PrepareFunctionForOptimization(load);
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assertEquals(85, load({float64:42.5}));
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%OptimizeMaglevOnNextCall(load);
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assertEquals(85, load({float64:42.5}));
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assertTrue(isMaglevved(load));
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// We should deopt here.
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assertEquals(85, load({y:0, float64:42.5}));
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assertFalse(isMaglevved(load));
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})();
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