[unix-history] / usr / src / old / pcc / c2.vax / c2.h

/*static	char sccsid[] = "@(#)c2.h 4.5 %G%";*/
/* @(#)c2.h 1.19 80/08/26 13:39:07 */
/*
 * Header for object code improver
 */

#define	JBR	1
#define	CBR	2
#define	JMP	3
#define	LABEL	4
#define	DLABEL	5
#define	EROU	7
#define	JSW	9
#define	MOV	10
#define	CLR	11
#define	INC	12
#define	DEC	13
#define	TST	14
#define	PUSH	15
#define CVT 16
#define	CMP	17
#define	ADD	18
#define	SUB	19
#define	BIT	20
#define	BIC	21
#define	BIS	22
#define	XOR	23
#define	COM	24
#define	NEG	25
#define	MUL	26
#define	DIV	27
#define	ASH	28
#define EXTV	29
#define EXTZV	30
#define INSV	31
#define	CALLS	32
#define RET	33
#define	CASE	34
#define	SOB	35
#define	TEXT	36
#define	DATA	37
#define	BSS	38
#define	ALIGN	39
#define	END	40
#define MOVZ 41
#define WGEN 42
#define SOBGEQ 43
#define SOBGTR 44
#define AOBLEQ 45
#define AOBLSS 46
#define ACB 47
#define MOVA 48
#define PUSHA 49
#define LGEN 50
#define SET 51
#define MOVC3 52
#define RSB 53
#define JSB 54
#define MFPR 55
#define MTPR 56
#define PROBER 57
#define PROBEW 58
#define	LCOMM 59
#define	COMM 60

#define	JEQ	0
#define	JNE	1
#define	JLE	2
#define	JGE	3
#define	JLT	4
#define	JGT	5
/* rearranged for unsigned branches so that jxxu = jxx + 6 */
#define	JLOS	8
#define	JHIS	9
#define	JLO	10
#define	JHI	11

#define JBC 12
#define JBS 13
#define JLBC 14
#define JLBS 15
#define JBCC 16
#define JBSC 17
#define JBCS 18
#define JBSS 19

/*
 *	When the new opcodes were added, the relative
 *	ordering of the first 3 (those that are not float)
 *	had to be retained, so that other parts of the program
 *	were not broken.
 *
 *	In addition, the distance between OP3 and OP2 must be preserved.
 *	The order of definitions above OP2 must not be changed.
 *
 *	Note that these definitions DO NOT correspond to
 *	those definitions used in as, adb and sdb.
 */
#define	BYTE	1
#define	WORD	2
#define LONG	3
#define	FFLOAT	4
#define	DFLOAT	5
#define	GFLOAT	6
#define	HFLOAT	7
#define QUAD	8
#define OCTA	9
#define OP2	10
#define OP3	11
#define OPB	12
#define OPX	13

#define T(a,b) (a|((b)<<8))
#define U(a,b) (a|((b)<<4))

#define C2_ASIZE 128

struct optab {
	char	opstring[7];
	short	opcode;
} optab[];

struct node {
	char	op;
	char	subop;
	short	refc;
	struct	node	*forw;
	struct	node	*back;
	struct	node	*ref;
	char	*code;
	struct	optab	*pop;
	long	labno;
	short	seq;
};

struct {
	short	combop;
};

char	line[512];
struct	node	first;
char	*curlp;
int	nbrbr;
int	nsaddr;
int	redunm;
int	iaftbr;
int	njp1;
int	nrlab;
int	nxjump;
int	ncmot;
int	nrevbr;
int	loopiv;
int	nredunj;
int	nskip;
int	ncomj;
int	nsob;
int	nrtst;
int nbj;
int nfield;

int	nchange;
int	isn;
int	debug;
char	*lasta;
char	*lastr;
char	*firstr;
char	revbr[];
#define	NREG	12
char	*regs[NREG+5]; /* 0-11, 4 for operands, 1 for running off end */
char	conloc[C2_ASIZE];
char	conval[C2_ASIZE];
char	ccloc[C2_ASIZE];

#define	RT1	12
#define	RT2	13
#define RT3 14
#define RT4 15
#define	LABHS	127

struct { char lbyte; };

char *copy();
long getnum();
struct node *codemove();
struct node *insertl();
struct node *nonlab();
Commit	Line	Data
0594fe30	1	/static char sccsid[] = "@(#)c2.h 4.5 %G%";/
46aa6964	2	/* @(#)c2.h 1.19 80/08/26 13:39:07 */
9de4af78 BJ	3	/*
	4	* Header for object code improver
	5	*/
	6
	7	#define JBR 1
	8	#define CBR 2
	9	#define JMP 3
	10	#define LABEL 4
	11	#define DLABEL 5
	12	#define EROU 7
	13	#define JSW 9
	14	#define MOV 10
	15	#define CLR 11
	16	#define INC 12
	17	#define DEC 13
	18	#define TST 14
	19	#define PUSH 15
	20	#define CVT 16
	21	#define CMP 17
	22	#define ADD 18
	23	#define SUB 19
	24	#define BIT 20
	25	#define BIC 21
	26	#define BIS 22
	27	#define XOR 23
	28	#define COM 24
	29	#define NEG 25
	30	#define MUL 26
	31	#define DIV 27
	32	#define ASH 28
	33	#define EXTV 29
	34	#define EXTZV 30
	35	#define INSV 31
	36	#define CALLS 32
	37	#define RET 33
	38	#define CASE 34
	39	#define SOB 35
	40	#define TEXT 36
	41	#define DATA 37
	42	#define BSS 38
	43	#define ALIGN 39
	44	#define END 40
	45	#define MOVZ 41
	46	#define WGEN 42
	47	#define SOBGEQ 43
	48	#define SOBGTR 44
	49	#define AOBLEQ 45
	50	#define AOBLSS 46
	51	#define ACB 47
	52	#define MOVA 48
	53	#define PUSHA 49
	54	#define LGEN 50
	55	#define SET 51
	56	#define MOVC3 52
	57	#define RSB 53
	58	#define JSB 54
	59	#define MFPR 55
	60	#define MTPR 56
	61	#define PROBER 57
	62	#define PROBEW 58
46aa6964 BJ	63	#define LCOMM 59
46aa6964 BJ	64	#define COMM 60
9de4af78 BJ	65
	66	#define JEQ 0
	67	#define JNE 1
	68	#define JLE 2
	69	#define JGE 3
	70	#define JLT 4
	71	#define JGT 5
	72	/* rearranged for unsigned branches so that jxxu = jxx + 6 */
	73	#define JLOS 8
	74	#define JHIS 9
	75	#define JLO 10
	76	#define JHI 11
	77
	78	#define JBC 12
	79	#define JBS 13
	80	#define JLBC 14
	81	#define JLBS 15
	82	#define JBCC 16
	83	#define JBSC 17
	84	#define JBCS 18
	85	#define JBSS 19
	86
0594fe30 BJ	87	/*
	88	* When the new opcodes were added, the relative
	89	* ordering of the first 3 (those that are not float)
	90	* had to be retained, so that other parts of the program
	91	* were not broken.
	92	*
	93	* In addition, the distance between OP3 and OP2 must be preserved.
	94	* The order of definitions above OP2 must not be changed.
	95	*
	96	* Note that these definitions DO NOT correspond to
	97	* those definitions used in as, adb and sdb.
	98	*/
9de4af78 BJ	99	#define BYTE 1
	100	#define WORD 2
	101	#define LONG 3
0594fe30 BJ	102	#define FFLOAT 4
	103	#define DFLOAT 5
	104	#define GFLOAT 6
	105	#define HFLOAT 7
	106	#define QUAD 8
	107	#define OCTA 9
	108	#define OP2 10
	109	#define OP3 11
	110	#define OPB 12
	111	#define OPX 13
9de4af78 BJ	112
	113	#define T(a,b) (a\|((b)<<8))
	114	#define U(a,b) (a\|((b)<<4))
	115
575b3828	116	#define C2_ASIZE 128
033bb901	117
9de4af78 BJ	118	struct optab {
	119	char opstring[7];
	120	short opcode;
	121	} optab[];
	122
	123	struct node {
	124	char op;
	125	char subop;
	126	short refc;
	127	struct node *forw;
	128	struct node *back;
	129	struct node *ref;
	130	char *code;
	131	struct optab *pop;
46aa6964	132	long labno;
9de4af78 BJ	133	short seq;
	134	};
	135
	136	struct {
	137	short combop;
	138	};
	139
	140	char line[512];
	141	struct node first;
	142	char *curlp;
	143	int nbrbr;
	144	int nsaddr;
	145	int redunm;
	146	int iaftbr;
	147	int njp1;
	148	int nrlab;
	149	int nxjump;
	150	int ncmot;
	151	int nrevbr;
	152	int loopiv;
	153	int nredunj;
	154	int nskip;
	155	int ncomj;
	156	int nsob;
	157	int nrtst;
	158	int nbj;
	159	int nfield;
	160
	161	int nchange;
	162	int isn;
	163	int debug;
	164	char *lasta;
	165	char *lastr;
	166	char *firstr;
	167	char revbr[];
	168	#define NREG 12
	169	char regs[NREG+5]; / 0-11, 4 for operands, 1 for running off end */
033bb901 MT	170	char conloc[C2_ASIZE];
	171	char conval[C2_ASIZE];
	172	char ccloc[C2_ASIZE];
9de4af78 BJ	173
	174	#define RT1 12
	175	#define RT2 13
	176	#define RT3 14
	177	#define RT4 15
	178	#define LABHS 127
	179
	180	struct { char lbyte; };
	181
	182	char *copy();
	183	long getnum();
	184	struct node *codemove();
	185	struct node *insertl();
	186	struct node *nonlab();