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diff --git a/third_party/webkit/PerformanceTests/ARES-6/Air/reg.js b/third_party/webkit/PerformanceTests/ARES-6/Air/reg.js
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+/*
+ * Copyright (C) 2016 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.
+ */
+"use strict";
+
+class Reg extends TmpBase {
+ constructor(index, type, name, isCalleeSave)
+ {
+ super();
+ this._index = index;
+ this._type = type;
+ this._name = name;
+ this._isCalleeSave = !!isCalleeSave;
+ }
+
+ static fromReg(reg)
+ {
+ return reg;
+ }
+
+ get index() { return this._index; }
+ get type() { return this._type; }
+ get name() { return this._name; }
+ get isCalleeSave() { return this._isCalleeSave; }
+
+ get isReg() { return true; }
+
+ hash()
+ {
+ if (this.isGP)
+ return 1 + this._index;
+ return -1 - this._index;
+ }
+
+ toString()
+ {
+ return `%${this._name}`;
+ }
+
+ static extract(arg)
+ {
+ if (arg.isReg)
+ return arg.reg;
+ return null;
+ }
+
+ static forEachFast(arg, func)
+ {
+ return arg.forEachTmpFast(tmp => {
+ if (!tmp.isReg)
+ return;
+ return func(tmp);
+ });
+ }
+
+ static forEach(arg, argRole, argType, argWidth, func)
+ {
+ return arg.forEachTmp(
+ argRole, argType, argWidth,
+ (tmp, role, type, width) => {
+ if (!tmp.isReg)
+ return;
+ return func(tmp, role, type, width);
+ });
+ }
+}
+
+{
+ Reg.regs = [];
+ function newReg(...args)
+ {
+ let result = new Reg(...args);
+ Reg.regs.push(result);
+ return result;
+ }
+
+ // Define X86_64 GPRs
+ {
+ let index = 0;
+ function newGPR(name, isCalleeSave) { return newReg(index++, GP, name, isCalleeSave); }
+
+ Reg.rax = newGPR("rax");
+ Reg.rcx = newGPR("rcx");
+ Reg.rdx = newGPR("rdx");
+ Reg.rbx = newGPR("rbx", true);
+ Reg.rsp = newGPR("rsp");
+ Reg.rbp = newGPR("rbp", true);
+ Reg.rsi = newGPR("rsi");
+ Reg.rdi = newGPR("rdi");
+ for (let i = 8; i <= 15; ++i)
+ Reg[`r${i}`] = newGPR(`r${i}`, i >= 12);
+ }
+
+ // Define X86_64 FPRs.
+ for (let i = 0; i <= 15; ++i)
+ Reg[`xmm${i}`] = newReg(i, FP, `xmm${i}`);
+
+ Reg.gprs = []
+ Reg.fprs = []
+ Reg.calleeSaveGPRs = []
+ Reg.calleeSaveFPRs = []
+ Reg.calleeSaves = []
+ for (let reg of Reg.regs) {
+ if (reg.isGP) {
+ Reg.gprs.push(reg);
+ if (reg.isCalleeSave)
+ Reg.calleeSaveGPRs.push(reg);
+ } else {
+ Reg.fprs.push(reg);
+ if (reg.isCalleeSave)
+ Reg.calleeSaveFPRS.push(reg);
+ }
+ if (reg.isCalleeSave)
+ Reg.calleeSaves.push(reg);
+ }
+
+ Reg.callFrameRegister = Reg.rbp;
+ Reg.stackPointerRegister = Reg.rsp;
+}