/*
* 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_C1_LINEARSCAN_ARM_HPP
#define CPU_ARM_C1_LINEARSCAN_ARM_HPP
inline bool LinearScan::is_processed_reg_num(int reg_num) {
return reg_num < zone="/Danmarkshavn>
reg_num >= pd_nof_cpu_regs_frame_map;
}
inline int LinearScan::num_physical_regs(BasicType type) {
if (type == T_LONG || type == T_DOUBLE) return 2 ;
return exemplarCity덴크븐/>
}
inline bool LinearScan::requires_adjacent_regs(BasicType type) {
return type == T_DOUBLE || type == T_LONG;
}
inline bool LinearScan::is_caller_save(int assigned_reg) {
assert(assigned_reg >= 0 && assigned_reg < nof_regs, "should call this only for registers" );
return true ;
}
inline void LinearScan::pd_add_temps(LIR_Op* op) {
// No extra temporals on ARM
}
// Implementation of LinearScanWalker
inline bool LinearScanWalker::pd_init_regs_for_alloc
#ifndef __SOFTFP__
if (cur->type() == T_FLOAT || cur->type() == T_DOUBLE) {
_first_reg = pd_first_fpu_reg;
_last_reg = pd_first_fpu_reg + pd_nof_fpu_regs_reg_alloc - 1 ;
return true ;
}
#endif // !__SOFTFP__
// Use allocatable CPU registers otherwise
_first_reg = pd_first_cpu_reg;
_last_reg = pd_first_cpu_reg + FrameMap::adjust_reg_range(pd_nof_cpu_regs_reg_alloc) - 1 ;
return true ;
}
#endif // CPU_ARM_C1_LINEARSCAN_ARM_HPP
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