/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.ppc;
import org.jikesrvm.Constants;
/**
* Registers used by baseline compiler code.
*/
public interface BaselineConstants extends Constants, ArchConstants {
// Dedicated registers
int FP = FRAME_POINTER;
int JTOC = JTOC_POINTER;
// Scratch general purpose registers
int S0 = FIRST_SCRATCH_GPR;
int S1 = FIRST_SCRATCH_GPR + 1;
// Temporary general purpose registers
int T0 = FIRST_VOLATILE_GPR;
int T1 = FIRST_VOLATILE_GPR + 1;
int T2 = FIRST_VOLATILE_GPR + 2;
int T3 = FIRST_VOLATILE_GPR + 3;
int T4 = FIRST_VOLATILE_GPR + 4;
int T5 = FIRST_VOLATILE_GPR + 5;
int T6 = FIRST_VOLATILE_GPR + 6;
// Temporary floating-point registers;
int F0 = FIRST_VOLATILE_FPR;
int F1 = FIRST_VOLATILE_FPR + 1;
int F2 = FIRST_VOLATILE_FPR + 2;
int F3 = FIRST_VOLATILE_FPR + 3;
int VOLATILE_GPRS = LAST_VOLATILE_GPR - FIRST_VOLATILE_GPR + 1;
int VOLATILE_FPRS = LAST_VOLATILE_FPR - FIRST_VOLATILE_FPR + 1;
int MIN_PARAM_REGISTERS = (VOLATILE_GPRS < VOLATILE_FPRS ? VOLATILE_GPRS : VOLATILE_FPRS);
int FIRST_FIXED_LOCAL_REGISTER = FIRST_NONVOLATILE_GPR;
int LAST_FIXED_LOCAL_REGISTER = LAST_NONVOLATILE_GPR;
int LAST_FIXED_STACK_REGISTER = LAST_NONVOLATILE_GPR;
int FIRST_FLOAT_LOCAL_REGISTER = FIRST_NONVOLATILE_FPR;
int LAST_FLOAT_LOCAL_REGISTER = LAST_NONVOLATILE_FPR;
int LAST_FLOAT_STACK_REGISTER = LAST_NONVOLATILE_FPR;
}