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/*
 * This is the machine specific header file for the iAPX-86 compilers.
 * It is used in both the SMALL and LARGE models of segmentation.
 * It contains typedefs, register names and macros for all compiler phases.
 * This one produces an IEEE fp TINY compiler which does both models RUNNING_LARGE.
 */
#define	DATE		"07/11/89"	/* Date			*/
#define	VERSMWC		"V3.0.7"	/* MWC version number	*/
#define	VERSINT		"X324"		/* Intel version number	*/

#define	EATDOL		0	/* Eat '$' in identifiers?	*/
#define	IEEE		1	/* IEEE format?			*/
#define	DECVAX		0	/* DECVAX format?		*/
#define	NATIVEFP	1	/* Host fp == target fp?	*/
#define MCFFP		0	/* Motorola fast floating point? */
#define	TINY		1	/* No code gen debug info?	*/
#ifndef	YATC
#define	YATC		0	/* Not code table compile	*/
#endif
#define RUNNING_LARGE	1	/* Long pointers?		*/
#define	SIZEOF_LARGE	0	/* long sizeof_t fields		*/
#define SPLIT_CC1	0	/* CC1A-CC1B?			*/
#define AS_FORMAT	1	/* Coherent/Rainbow .s format?	*/
#define	INTEL		0	/* Intel copyright?		*/
#define	OMF286		0	/* 286 object format?		*/
#define	TEMPBUF		0	/* Memory tempfile buffers?	*/

#define	NDP		1	/* 8087?			*/
#define	EMUFIXUPS	0	/* M: 8087 emulation fixups?	*/
#define ONLYSMALL	0	/* Just SMALL model?		*/

/*
 * Types.
 */
#define	S8	0		/* Signed byte */
#define	U8	1		/* Unsigned byte */
#define	S16	2		/* Signed word */
#define	U16	3		/* Unsigned word */
#define	S32	4		/* Signed long */
#define	U32	5		/* Unsigned long */
#define	F32	6		/* Short floating point */
#define	F64	7		/* Long  floating point */
#define	BLK	8		/* Block of bytes */
#define	FLD8	9		/* Field, byte wide */
#define	FLD16	10		/* Field, word wide */
#define	LPTR	11		/* Large (2 word) pointer */
#define	LPTB	12		/* Large (2 word) pointer to BLK */
#define	SPTR	13		/* Small (1 word) pointer */
#define	SPTB	14		/* Small (1 word) pointer to BLK */

#define	TRUTH	S16		/* Type used for truth values */
#define	LOFS	LPTR		/* Large, offset LEAF type */
#define	SOFS	SPTR		/* Small, offset LEAF type */
#define	IVAL_T	S16		/* Type for ival_t con */
#define	LVAL_T	S32		/* Type for lval_t con */
#define	DVAL_T	F64		/* Type for dval_t con */
#define	NBPBYTE	8		/* # of bits in a "byte" */
#define	NBPSTRG	8		/* Structure granularity */

/*
 * For each machine type there is
 * a flag bit type.
 */
#define	FS8	01
#define	FU8	02
#define	FS16	04
#define	FU16	010
#define	FS32	020
#define	FU32	040
#define	FF32	0100
#define	FF64	0200
#define	FBLK	0400
#define	FFLD8	01000
#define	FFLD16	02000
#define	FLPTR	04000
#define FLPTB	010000
#define	FSPTR	020000
#define FSPTB	040000

/*
 * Allocation types.
 */
#ifdef  vax
typedef	short	ival_t;		/* 16 bits */
typedef	int	lval_t;		/* 32 bits */
#else
typedef	int	ival_t;		/* ints */
typedef	long	lval_t;		/* longs */
#endif
typedef	char	dval_t[8];	/* doubles */
typedef int	sizeof_t;	/* sizeof constants */

/*
 * Limits.
 */
#define	MAXIV	32767L		/* Max integer */
#define	MAXUV	65535L		/* Max unsigned integer */
#define	MAXUCE	255		/* Max unsigned char enumeration */
#define	UIMASK	0xFFFF0000L	/* Unsigned int check mask */
#define	SIMASK	0xFFFF8000L	/* Signed int check mask */
#define	SLMASK	0x80000000L	/* Signed long check mask */
#define	ASMASK	0x0000FFFFL	/* Address space mask */
#define MAXMEMB	MAXIV		/* Max struct/union member offset */
#define	MAXESIZE MAXUV		/* Max struct/union/array size */

/*
 * Registers.
 * This list includes the machine's
 * actual registers, some registers that are
 * only given names for the benefit of the
 * code output routines, and the pseudo registers
 * used by the code generator.
 */
#define	AX	0
#define	DX	1
#define	BX	2
#define	CX	3

#define	SI	4
#define	DI	5
#define	SP	6
#define	BP	7

#define	FPAC	8

#define	ES	9
#define	CS	10
#define	SS	11
#define	DS	12

#define	DXAX	13
#define	CXBX	14

#define	SSSP	15
#define	SSBP	16

#define	ESAX	17
#define	ESBX	18
#define	ESSI	19
#define	ESDI	20

#define DSAX	21
#define DSBX	22
#define	DSSI	23
#define	DSDI	24

#define	AL	25
#define	BL	26
#define	CL	27
#define	DL	28
#define	AH	29
#define	BH	30
#define	CH	31
#define	DH	32

#define	NONE	33
#define	ANYR	34
#define	ANYL	35
#define	PAIR	36
#define	TEMP	37
#define	LOTEMP	38
#define	HITEMP	39

#define	NRREG	25	/* Number of real regs */
#define	NREG	40	/* Number of regs */
#define	FRREG	AX

#define	BAX	01
#define	BDX	02
#define	BBX	04
#define	BCX	010
#define	BSI	020
#define	BDI	040
#define	BSP	0100
#define	BBP	0200
#define	BFPAC	0400
#define	BES	01000
#define	BCS	02000
#define	BSS	04000
#define	BDS	010000

/*
 * Definitions for the "a_mode"
 * field of an AFIELD object. Some bits are
 * used only by the peephole optimizer routines in
 * the "mregstate" and "sregstate" tables.
 */
#define	A_REGM	0x000F		/* Register code, etc */
#define	A_AMOD	0x00F0		/* Address mode */
#define	A_PREFX	0x0F00		/* Escape prefix needed */
#define	A_EA	0x1000		/* Flag for peephole; effective address */
#define A_OFFS	0x2000		/* Flag for getfield; offset present */
#define	A_LID	0x4000		/* Flag for getfield; local id present */
#define	A_GID	0x8000		/* Flag for getfield; global id present */

#define	A_NONE	0		/* General "none" value */

#define	A_BR	(1<<4)		/* Byte register */
#define	A_WR	(2<<4)		/* Word register */
#define	A_SR	(3<<4)		/* Segment register */
#define	A_IMM	(4<<4)		/* Immediate */
#define	A_DIR	(5<<4)		/* Direct */
#define	A_X	(6<<4)		/* Indexed */

#define	A_ES	(1<<8)		/* ES: needed */
#define	A_CS	(2<<8)		/* CS: needed */
#define	A_SS	(3<<8)		/* SS: needed */
#define	A_DS	(4<<8)		/* DS: needed */

#define	A_XSI	(A_X|0x04)	/* [si] */
#define	A_XDI	(A_X|0x05)	/* [di] */
#define	A_XBP	(A_X|0x06)	/* [bp] */
#define	A_XBX	(A_X|0x07)	/* [bx] */

#define	A_RAX	(A_WR|0x00)	/* ax */
#define	A_RCX	(A_WR|0x01)	/* cx */
#define	A_RDX	(A_WR|0x02)	/* dx */
#define	A_RBX	(A_WR|0x03)	/* bx */
#define	A_RSP	(A_WR|0x04)	/* sp */
#define	A_RBP	(A_WR|0x05)	/* bp */
#define	A_RSI	(A_WR|0x06)	/* si */
#define	A_RDI	(A_WR|0x07)	/* di */

#define	A_RAL	(A_BR|0x00)	/* al */
#define	A_RCL	(A_BR|0x01)	/* cl */
#define	A_RDL	(A_BR|0x02)	/* dl */
#define	A_RBL	(A_BR|0x03)	/* bl */
#define	A_RAH	(A_BR|0x04)	/* ah */
#define	A_RCH	(A_BR|0x05)	/* ch */
#define	A_RDH	(A_BR|0x06)	/* dh */
#define	A_RBH	(A_BR|0x07)	/* bh */

#define	A_RES	(A_SR|0x00)	/* es */
#define	A_RCS	(A_SR|0x01)	/* cs */
#define	A_RSS	(A_SR|0x02)	/* ss */
#define	A_RDS	(A_SR|0x03)	/* ds */

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