dmcallis
65a0592776
Source code drop for the Actionscript virtual machine in the Adobe Flash Player for December 2013
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2 -*- */
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/* vi: set ts=2 sw=2 expandtab: (add to ~/.vimrc: set modeline modelines=5) */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "hm-main.h"
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#ifdef VMCFG_HALFMOON
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namespace halfmoon {
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ProfiledInformation::ProfiledInformation() :
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branch_probability_(alloc_)
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{
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}
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ProfiledInformation::~ProfiledInformation() {
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}
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/// Maps an arm instr to the probability that the arm is actually taken.
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///
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void ProfiledInformation::addBranchProbability(ArmInstr* armInstr, double takenProbability) {
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branch_probability_.put(armInstr, takenProbability);
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}
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/// Retrieves the probability that the arm is taken
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///
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double ProfiledInformation::getBranchProbability(ArmInstr* armInstr) {
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assert (branch_probability_.containsKey(armInstr));
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return branch_probability_.get(armInstr);
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}
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/// Returns true if firstArm is taken more than the second arm.
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bool ProfiledInformation::isHotterArm(ArmInstr* thinkHotArm, ArmInstr* thinkSlowArm) {
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return getBranchProbability(thinkHotArm) > getBranchProbability(thinkSlowArm);
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}
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}
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#endif // VMCFG_HALFMOON
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