/*
* Copyright ( c ) 2008 , 2019 , 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 .
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* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
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*/
#ifndef CPU_ARM_VMREG_ARM_HPP
#define CPU_ARM_VMREG_ARM_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 Register as_Register() {
assert(is_Register(), "must be" );
assert(is_concrete(), "concrete register expected" );
return ::as_Register(value() >> ConcreteRegisterImpl::log_vmregs_per_gpr);
}
inline FloatRegister as_FloatRegister() {
assert(is_FloatRegister(), "must be" );
assert(is_concrete(), "concrete register expected" );
return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> ConcreteRegisterImpl::log_vmregs_per_fpr);
}
inline bool is_concrete() {
if (is_Register()) {
return ((value() & right_n_bits(ConcreteRegisterImpl::log_vmregs_per_gpr)) == 0 );
} else if (is_FloatRegister()) {
return (((value() - ConcreteRegisterImpl::max_gpr) & right_n_bits(ConcreteRegisterImpl::log_vmregs_per_fpr)) == 0 );
} else {
return false ;
}
}
#endif // CPU_ARM_VMREG_ARM_HPP
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