sam-t2/devtools/v9/include/reguse.h

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: reguse.h
* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
*
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
*
* The above named program 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 for more details.
*
* You should have received a copy of the GNU General Public
* License along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ========== Copyright Header End ============================================
*/
#ifndef _REGUSE_H
#define _REGUSE_H

#include <sys/types.h>

#include "IHASH.h"

#ifdef __cplusplus
extern "C" {
#endif

enum {
  RUS_NRUS = 5,

  /* ru_reg values */
  RU_RD = 0,
  RU_RS1 = 1,
  RU_RS2 = 2,
  RU_RS3 = 3,

  RU_Q = 4,
  RU_SR = 5,
  RU_PSR = 6,
  RU_TBR = 7,
  RU_WIM = 8,
  RU_Y = 9,

  RU_REG = 0x40,

  /* ru_type values */
  RU_INT = 0,
  RU_FP = 1,
  RU_CP = 2
};

typedef struct {
  char ru_reg;          /* RU_RS1, etc., or RU_REG|reg# */
  char ru_type;         /* register set, q.v. */
  char ru_nregs;        /* 0 single, 1 double, 3 quadruple */
  char ru_io;           /* 0 src, 1 dest */
  char ru_imm;          /* i_i==0 */
} RegUse;

typedef struct {
  char rus_nrus;
  RegUse rus_rus[RUS_NRUS];
} RegUses;

extern RegUses ihash_reguses[NIHASH];

RegUses* getRegUses(int ih);
int getRegFieldUse(int ih, int rupos);

int decodeFreg(int reg);
int encodeFreg(int reg);

uint64_t getDefs(unsigned instr, int ih);
uint64_t getUses(unsigned instr, int ih);

uint64_t getFloatDefs(unsigned instr, int ih);
uint64_t getFloatUses(unsigned instr, int ih);

#ifdef __cplusplus
}
#endif

#endif  /* _REGUSE_H */