/* * Copyright (C) 2013, 2014 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "FTLInlineCacheSize.h" #if ENABLE(FTL_JIT) #include "JITInlineCacheGenerator.h" #include "MacroAssembler.h" namespace JSC { namespace FTL { // The default sizes are x86-64-specific, and were found empirically. They have to cover the worst // possible combination of registers leading to the largest possible encoding of each instruction in // the IC. // // FIXME: The ARM64 sizes are overestimates; if there is any branch compaction then we should be able // to get away with less. The branch compaction code currently validates the size of the IC before // doing any compaction, so we need to overestimate and give the uncompacted size. This would be // relatively easy to fix. // https://bugs.webkit.org/show_bug.cgi?id=129335 size_t sizeOfGetById() { #if CPU(ARM64) return 36; #else return 30; #endif } size_t sizeOfPutById() { #if CPU(ARM64) return 44; #else return 32; #endif } size_t sizeOfCall() { #if CPU(ARM64) return 56; #else return 53; #endif } } } // namespace JSC::FTL #endif // ENABLE(FTL_JIT)