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/*-------------------------------------------------------------------------
gen.h - header file for code generation for Padauk
Written By - Philipp Krause . pkk@spth.de (2018)
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.
-------------------------------------------------------------------------*/
#ifndef PDKGEN_H
#define PDKGEN_H 1
typedef enum
{
AOP_INVALID,
/* Is a literal */
AOP_LIT = 1,
/* Is in a register */
AOP_REG,
/* Is partially in a register, partially in direct space */
AOP_REGDIR,
/* Is on the stack */
AOP_STK,
/* Is an immediate value */
AOP_IMMD,
/* Is in direct space */
AOP_DIR,
/* I/O register */
AOP_SFR,
/* Is in code space */
AOP_CODE,
/* Read undefined, discard writes */
AOP_DUMMY,
/* Implicit condition operand */
AOP_CND,
}
AOP_TYPE;
/* asmop_byte: A type for the location a single byte
of an operand can be in */
typedef struct asmop_byte
{
bool in_reg;
union
{
reg_info *reg; /* Register this byte is in. */
int stk; /* Stack offset for this byte. */
} byteu;
} asmop_byte;
/* asmop: A homogenised type for all the different
spaces an operand can be in */
typedef struct asmop
{
AOP_TYPE type;
short size;
union
{
value *aop_lit;
struct
{
char *immd;
int immd_off;
bool code; /* in code space */
bool func; /* function address */
};
char *aop_dir;
asmop_byte bytes[8];
} aopu;
}
asmop;
void genPdkCode (iCode *);
extern bool pdk_assignment_optimal;
void pdk_init_asmops (void);
#endif
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