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/*
* Copyright (c) 2006, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef CPU_X86_VMREG_X86_HPP
#define CPU_X86_VMREG_X86_HPP
#include "register_x86.hpp"
inline bool is_Register() {
return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
}
inline bool is_FloatRegister() {
return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
}
inline bool is_XMMRegister() {
int uarch_max_xmm = ConcreteRegisterImpl::max_fpr +
(XMMRegister::max_slots_per_register * XMMRegister::available_xmm_registers());
return (value() >= ConcreteRegisterImpl::max_fpr && value() < uarch_max_xmm);
}
inline bool is_KRegister() {
if (UseAVX > 2) {
return value() >= ConcreteRegisterImpl::max_xmm && value() < ConcreteRegisterImpl::max_kpr;
} else {
return false;
}
}
inline Register as_Register() {
assert( is_Register(), "must be");
// Yuk
#ifdef AMD64
return ::as_Register(value() >> 1);
#else
return ::as_Register(value());
#endif // AMD64
}
inline FloatRegister as_FloatRegister() {
assert( is_FloatRegister() && is_even(value()), "must be" );
// Yuk
return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
}
inline XMMRegister as_XMMRegister() {
assert( is_XMMRegister() && is_even(value()), "must be" );
// Yuk
return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 4);
}
inline KRegister as_KRegister() {
assert(is_KRegister(), "must be");
// Yuk
return ::as_KRegister((value() - ConcreteRegisterImpl::max_xmm) >> 1);
}
inline bool is_concrete() {
assert(is_reg(), "must be");
#ifndef AMD64
if (is_Register()) return true;
#endif // AMD64
// Do not use is_XMMRegister() here as it depends on the UseAVX setting.
if (value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm) {
int base = value() - ConcreteRegisterImpl::max_fpr;
return (base % XMMRegister::max_slots_per_register) == 0;
} else {
return is_even(value()); // General, float, and K registers are all two slots wide
}
}
#endif // CPU_X86_VMREG_X86_HPP
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