76 lines
2 KiB
C
76 lines
2 KiB
C
/*-------------------------------------------------------------------------
|
|
|
|
SDCCralloc.h - header file register allocation
|
|
|
|
Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
|
|
|
|
This program is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by the
|
|
Free Software Foundation; either version 2, or (at your option) any
|
|
later version.
|
|
|
|
This 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 program; if not, write to the Free Software
|
|
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
In other words, you are welcome to use, share and improve this program.
|
|
You are forbidden to forbid anyone else to use, share and improve
|
|
what you give them. Help stamp out software-hoarding!
|
|
-------------------------------------------------------------------------*/
|
|
#include "SDCCicode.h"
|
|
#include "SDCCBBlock.h"
|
|
#ifndef SDCCRALLOC_H
|
|
#define SDCCRALLOC_H 1
|
|
|
|
#define DEBUG_FAKE_EXTRA_REGS 0
|
|
|
|
enum
|
|
{
|
|
C_IDX = 0,
|
|
B_IDX,
|
|
E_IDX,
|
|
D_IDX,
|
|
L_IDX,
|
|
H_IDX,
|
|
#if DEBUG_FAKE_EXTRA_REGS
|
|
M_IDX,
|
|
N_IDX,
|
|
O_IDX,
|
|
P_IDX,
|
|
Q_IDX,
|
|
R_IDX,
|
|
S_IDX,
|
|
T_IDX,
|
|
#endif
|
|
CND_IDX
|
|
};
|
|
|
|
#define REG_PTR 0x01
|
|
#define REG_GPR 0x02
|
|
#define REG_CND 0x04
|
|
/* definition for the registers */
|
|
typedef struct regs
|
|
{
|
|
short type; /* can have value
|
|
REG_GPR, REG_PTR or REG_CND */
|
|
short rIdx; /* index into register table */
|
|
char *name; /* name */
|
|
unsigned isFree:1; /* is currently unassigned */
|
|
}
|
|
regs;
|
|
|
|
extern regs *regsZ80;
|
|
|
|
void assignRegisters (eBBlock **, int);
|
|
regs *regWithIdx (int);
|
|
|
|
void z80_assignRegisters (eBBlock ** ebbs, int count);
|
|
bitVect *z80_rUmaskForOp (operand * op);
|
|
|
|
#endif
|