1984-05-18 19:51:06 +00:00
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%{
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1984-05-18 19:56:05 +00:00
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#ifndef NORCSID
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static char rcsid[]="$Header$";
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#endif
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1984-05-18 19:51:06 +00:00
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/*
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* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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*
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* This product is part of the Amsterdam Compiler Kit.
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*
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* Permission to use, sell, duplicate or disclose this software must be
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* obtained in writing. Requests for such permissions may be sent to
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*
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* Dr. Andrew S. Tanenbaum
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* Wiskundig Seminarium
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* Vrije Universiteit
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* Postbox 7161
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* 1007 MC Amsterdam
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* The Netherlands
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*
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* Author: Hans van Staveren
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*/
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1984-05-18 20:22:14 +00:00
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#ifdef vax | vax2 | vax4
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#define BIG
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#endif
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#ifdef BIG
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#define BORS(x,y) x
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#else
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#define BORS(x,y) y
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#endif
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1984-05-18 19:51:06 +00:00
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/* Tunable constants */
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#define MAXALLREG 5 /* Maximum number of allocates per rule */
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1984-05-18 20:22:14 +00:00
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#define MAXREGS BORS(36,32) /* Total number of registers */
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1984-05-18 19:51:06 +00:00
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#define MAXREGVARS 8 /* Maximum regvars per type */
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#define MAXPROPS 16 /* Total number of register properties */
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1984-05-18 20:22:14 +00:00
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#define MAXTOKENS BORS(75,32) /* Different kind of tokens */
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#define MAXSETS BORS(100,80) /* Number of tokenexpressions definable */
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1984-05-18 19:56:05 +00:00
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#define MAXEMPATLEN 25 /* Maximum length of EM-pattern/replacement */
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1984-05-18 19:51:06 +00:00
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#define TOKENSIZE 5 /* Maximum number of fields in token struct */
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1984-07-12 09:23:38 +00:00
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#define MAXINSTANCE BORS(250,120) /* Maximum number of different tokeninstances */
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1984-08-16 13:34:59 +00:00
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#define MAXSTRINGS BORS(800,400)/* Maximum number of different codestrings */
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1984-11-30 11:14:18 +00:00
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#define MAXPATTERN BORS(8000,6000) /* Maximum number of bytes in pattern[] */
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1984-08-23 12:25:24 +00:00
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#define MAXNODES BORS(450,400) /* Maximum number of expression nodes */
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1984-05-18 19:51:06 +00:00
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#define MAXMEMBERS 2 /* Maximum number of subregisters per reg */
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1984-05-18 20:22:14 +00:00
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#define NMOVES BORS(50,30) /* Maximum number of move definitions */
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1984-05-18 19:51:06 +00:00
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#define MAXC1 20 /* Maximum of coercions type 1 */
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#define MAXC2 20 /* Maximum of coercions type 2 */
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#define MAXC3 20 /* Maximum of coercions type 3 */
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#define MAXSPLIT 4 /* Maximum degree of split */
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#define MAXNSTR 40 /* Maximum consecutive strings in coderule */
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1984-10-23 13:39:15 +00:00
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char *hname="tables.h";
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char *cname="tables.c";
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char *iname=0; /* stdin */
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1984-05-18 19:51:06 +00:00
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/* Derived constants */
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#define SETSIZE ((MAXREGS+1+MAXTOKENS+15)>>4)
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#define PROPSETSIZE ((MAXPROPS+15)>>4)
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#define BMASK 0377
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#define BSHIFT 8
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#define TRUE 1
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#define FALSE 0
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1984-05-18 19:56:05 +00:00
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#define MAXPATLEN 7 /* Maximum length of tokenpatterns */
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1984-05-18 19:51:06 +00:00
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typedef char byte;
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typedef char * string;
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1984-08-08 10:54:04 +00:00
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char *malloc(),*myalloc();
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1984-05-18 19:51:06 +00:00
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#include <stdio.h>
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#include <assert.h>
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#include <ctype.h>
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#include <em_spec.h>
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#include <em_flag.h>
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#include <em_reg.h>
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#include <cg_pattern.h>
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typedef struct list1str {
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struct list1str *l1next;
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string l1name;
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} *list1;
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typedef struct list2str {
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struct list2str *l2next;
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list1 l2list;
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} *list2;
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typedef struct list3str {
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struct list3str *l3next;
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list2 l3list;
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} *list3;
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typedef struct reginfo {
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string rname;
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string rrepr;
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int rsize;
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int rmembers[MAXMEMBERS];
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int rregvar;
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short rprop[PROPSETSIZE];
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} *reginfo;
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typedef struct tokeninfo {
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string t_name;
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list2 t_struct;
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struct {
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int t_type;
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string t_sname;
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} t_fields[TOKENSIZE-1];
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int t_size;
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cost_t t_cost;
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int t_format;
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} token_t,*token_p;
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typedef struct ident {
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struct ident *i_next;
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string i_name;
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int i_type;
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# define IREG 1
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# define IPRP 2
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# define ITOK 3
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# define IEXP 4
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union {
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int i_regno;
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int i_prpno;
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int i_tokno;
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int i_expno;
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} i_i;
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} ident_t,*ident_p;
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#define ITABSIZE 32
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ident_p identtab[ITABSIZE];
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#define LOOKUP 0
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#define HALFWAY 1
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#define ENTER 2
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#define JUSTLOOKING 3
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typedef struct expr {
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int expr_typ;
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# define TYPINT 1
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# define TYPREG 2
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# define TYPSTR 3
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# define TYPBOOL 4
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int expr_index;
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} expr_t,*expr_p;
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unsigned cc1=1,cc2=1,cc3=1,cc4=1;
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node_t nodes[MAXNODES];
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node_p lastnode=nodes+1;
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string codestrings[MAXSTRINGS];
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int ncodestrings;
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int strar[MAXNSTR];
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int nstr;
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int pathash[256];
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reginfo machregs[MAXREGS];
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char stregclass[MAXREGS];
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int nmachregs=1;
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int nregclasses=1;
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int maxmembers;
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struct {
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ident_p propname;
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set_t propset;
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} machprops[MAXPROPS];
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int nprops=0;
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token_t machtokens[MAXTOKENS];
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int nmachtokens=1;
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set_t machsets[MAXSETS];
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int nmachsets=0;
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1984-05-18 19:56:05 +00:00
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int patmnem[MAXEMPATLEN];
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1984-05-18 19:51:06 +00:00
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int empatlen;
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int maxempatlen;
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int empatexpr;
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int maxrule=1;
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int pattokexp[MAXPATLEN];
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int tokpatlen;
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int lookident=0; /* lexical analyzer flag */
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list3 structpool=0;
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int nallreg;
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int allreg[MAXALLREG];
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int maxallreg;
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int lino=0;
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int nerrors=0;
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int curtokexp;
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expr_t arexp[TOKENSIZE];
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int narexp;
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inst_t arinstance[MAXINSTANCE];
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int narinstance=1;
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move_t machmoves[NMOVES];
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int nmoves=0;
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byte pattern[MAXPATTERN];
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int npatbytes=0;
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int prevind;
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int rulecount; /* Temporary index for ... construct */
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int ncoderules=0;
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int codebytes=0;
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FILE *cfile;
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FILE *hfile;
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int maxtokensize=0;
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int dealflag;
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int emrepllen;
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1984-05-18 19:56:05 +00:00
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int replmnem[MAXEMPATLEN];
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1984-05-18 19:51:06 +00:00
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int tokrepllen;
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int replinst[MAXPATLEN];
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int replexpr[MAXPATLEN];
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c1_t c1coercs[MAXC1];
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c2_t c2coercs[MAXC2];
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c3_t c3coercs[MAXC3];
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int nc1=0,nc2=0,nc3=0;
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int maxsplit=0;
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int wsize= -1;
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int psize= -1;
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int bsize= -1;
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char *fmt=0;
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int cchandled;
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int ccspoiled;
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int ccregexpr;
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int ccinstanceno;
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int cocopropno;
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int cocosetno;
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int allexpno;
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int rvused; /* regvars used */
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int nregvar[4]; /* # of register variables of all kinds */
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int rvnumbers[4][MAXREGVARS]; /* The register numbers */
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#define chktabsiz(size,maxsize,which) if(size>=maxsize) tabovf(which)
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#define MUST1BEINT(e) int exp1=e.expr_index;tstint(e)
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#define MUST2BEINT(e1,e2) int exp1=e1.expr_index,exp2=e2.expr_index;tstint(e1);tstint(e2)
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#define MUST1BEBOOL(e) int exp1=e.expr_index;tstbool(e)
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#define MUST2BEBOOL(e1,e2) int exp1=e1.expr_index,exp2=e2.expr_index;tstbool(e1);tstbool(e2)
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%}
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%union {
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int yy_int;
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int *yy_intp;
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string yy_string;
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list1 yy_list1;
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list2 yy_list2;
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expr_t yy_expr;
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cost_t yy_cost;
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set_t yy_set;
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ident_p yy_ident;
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char yy_char;
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inst_t yy_instance;
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}
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%type <yy_list1> list1,structlistel
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%type <yy_list2> structlist,structdecl
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%type <yy_expr> expr optexpr
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%type <yy_cost> optcost cost optcommacost
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%type <yy_int> optboolexpr optnocoerc mnem emargno tokargno optprop
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%type <yy_int> optcommabool optstack subreg tokenexpressionno optregvar
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%type <yy_int> tokeninstanceno code stackreplacement optslashnumber
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%type <yy_set> tokenexpression
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%type <yy_instance> tokeninstance
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%type <yy_string> optformat
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%token <yy_string> IDENT TYPENAME
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%token <yy_ident> RIDENT,PIDENT,TIDENT,EIDENT
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%token <yy_string> LSTRING,STRING
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%token <yy_int> NUMBER
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%token <yy_intp> CIDENT
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%token REGISTERHEAD TOKENHEAD EXPRESSIONHEAD CODEHEAD MOVEHEAD TESTHEAD STACKHEAD
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%token REGVAR INREG LOOP POINTER FLOAT
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%token TIMEFAC SIZEFAC FORMAT RETURN
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%token MOVE ERASE ALLOCATE ELLIPS COST REMOVE STACK
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%token SEP SAMESIGN SFIT UFIT ROM DEFINED TOSTRING LOWW HIGHW
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%token NOCC SETCC SAMECC TEST NOCOERC
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%token <yy_char> LCASELETTER
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%start machinespec
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%left OR2
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%left AND2
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%left CMPEQ,CMPNE
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%left CMPLT,CMPLE,CMPGT,CMPGE
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%left RSHIFT,LSHIFT
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%left '+','-'
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%left '*','/','%'
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%nonassoc NOT,COMP,UMINUS
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%nonassoc '$'
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%%
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machinespec
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1984-05-18 20:22:14 +00:00
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: rcsid constants registersection tokensection
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1984-05-18 19:51:06 +00:00
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{ inbetween(); }
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expressionsection codesection movesection testsection stacksection
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;
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1984-05-18 20:22:14 +00:00
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rcsid
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: /* empty */
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| STRING
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{ strlookup($1); }
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;
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1984-05-18 19:51:06 +00:00
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constants
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: /* empty */
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| constants CIDENT '=' NUMBER
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{ *$2 = $4; }
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| constants SIZEFAC '=' NUMBER optslashnumber
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{ cc1 = $4; cc2 = $5; }
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| constants TIMEFAC '=' NUMBER optslashnumber
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{ cc3 = $4; cc4 = $5; }
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| constants FORMAT '=' STRING
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{ fmt = $4; }
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;
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optslashnumber
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$ = 1; }
|
|
|
|
|
| '/' NUMBER
|
|
|
|
|
{ $$ = $2; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
registersection
|
|
|
|
|
: REGISTERHEAD registerdefs
|
|
|
|
|
;
|
|
|
|
|
registerdefs
|
|
|
|
|
: /* empty */
|
|
|
|
|
| registerdefs registerdef
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
registerdef
|
|
|
|
|
: IDENT '=' '(' STRING ',' NUMBER list1 ')' optregvar list1 '.'
|
|
|
|
|
{ register ident_p ip;
|
|
|
|
|
register list1 l;
|
|
|
|
|
register reginfo r;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
r=(reginfo) myalloc(sizeof(struct reginfo));
|
|
|
|
|
r->rname = $1;
|
|
|
|
|
r->rrepr = $4;
|
|
|
|
|
r->rsize = $6;
|
|
|
|
|
if($9>=0 && $7!=0)
|
|
|
|
|
yyerror("No subregisters allowed in regvar");
|
|
|
|
|
for (i=0;i<MAXMEMBERS;i++)
|
|
|
|
|
r->rmembers[i] = 0;
|
|
|
|
|
i=0;
|
|
|
|
|
for (l=$7;l!=0;l=l->l1next) {
|
|
|
|
|
ip=ilookup(l->l1name,LOOKUP);
|
|
|
|
|
if (ip->i_type != IREG)
|
|
|
|
|
yyerror("Bad member of set");
|
|
|
|
|
chktabsiz(i,MAXMEMBERS,"Member of register");
|
|
|
|
|
r->rmembers[i++] = ip->i_i.i_regno;
|
|
|
|
|
}
|
|
|
|
|
maxmembers=max(maxmembers,i);
|
|
|
|
|
r->rregvar=$9;
|
|
|
|
|
if ($9>=0) {
|
|
|
|
|
rvused=1;
|
|
|
|
|
chktabsiz(nregvar[$9],MAXREGVARS,"Regvar");
|
|
|
|
|
rvnumbers[$9][nregvar[$9]++] = nmachregs;
|
|
|
|
|
}
|
|
|
|
|
for(i=0;i<PROPSETSIZE;i++)
|
|
|
|
|
r->rprop[i] = 0;
|
|
|
|
|
ip=ilookup($1,ENTER);
|
|
|
|
|
ip->i_type=IREG;
|
|
|
|
|
ip->i_i.i_regno=nmachregs;
|
|
|
|
|
for (l = $10; l!= 0; l=l->l1next) {
|
|
|
|
|
ip = ilookup(l->l1name,HALFWAY);
|
|
|
|
|
if (ip->i_type) {
|
|
|
|
|
if (ip->i_type != IPRP)
|
|
|
|
|
yyerror("Multiple defined symbol");
|
|
|
|
|
else if(machprops[ip->i_i.i_prpno].propset.set_size != r->rsize)
|
|
|
|
|
yyerror("property has more than 1 size");
|
|
|
|
|
} else {
|
|
|
|
|
chktabsiz(nprops,MAXPROPS,"Property");
|
|
|
|
|
ip->i_type = IPRP;
|
|
|
|
|
ip->i_i.i_prpno = nprops;
|
|
|
|
|
machprops[nprops].propname = ip;
|
|
|
|
|
machprops[nprops++].propset.set_size = r->rsize;
|
|
|
|
|
}
|
|
|
|
|
r->rprop[ip->i_i.i_prpno>>4] |= (1<<(ip->i_i.i_prpno&017));
|
|
|
|
|
}
|
|
|
|
|
chktabsiz(nmachregs,MAXREGS,"Register table");
|
|
|
|
|
machregs[nmachregs++] = r;
|
|
|
|
|
}
|
|
|
|
|
| error '.'
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
optregvar
|
|
|
|
|
: /* nothing */
|
|
|
|
|
{ $$ = -1; }
|
|
|
|
|
| REGVAR
|
|
|
|
|
{ $$ = reg_any; }
|
|
|
|
|
| REGVAR '(' LOOP ')'
|
|
|
|
|
{ $$ = reg_loop; }
|
|
|
|
|
| REGVAR '(' POINTER ')'
|
|
|
|
|
{ $$ = reg_pointer; }
|
|
|
|
|
| REGVAR '(' FLOAT ')'
|
|
|
|
|
{ $$ = reg_float; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
tokensection
|
|
|
|
|
: TOKENHEAD tkdefs
|
|
|
|
|
;
|
|
|
|
|
tkdefs
|
|
|
|
|
: /* empty */
|
|
|
|
|
| tkdefs tkdef
|
|
|
|
|
;
|
|
|
|
|
tkdef
|
|
|
|
|
: IDENT '=' structdecl NUMBER optcost optformat
|
|
|
|
|
{ register token_p tp;
|
|
|
|
|
register ident_p ip;
|
|
|
|
|
|
|
|
|
|
chktabsiz(nmachtokens,MAXTOKENS,"Token table");
|
|
|
|
|
tp = &machtokens[nmachtokens];
|
|
|
|
|
tp->t_name = $1;
|
|
|
|
|
tp->t_struct = $3;
|
|
|
|
|
tp->t_size = $4;
|
|
|
|
|
tp->t_cost = $5;
|
|
|
|
|
ip = ilookup($1,ENTER);
|
|
|
|
|
ip->i_type = ITOK;
|
|
|
|
|
ip->i_i.i_tokno = nmachtokens++;
|
|
|
|
|
maxtokensize=max(maxtokensize,structsize($3));
|
|
|
|
|
setfields(tp,$6);
|
|
|
|
|
}
|
|
|
|
|
| error
|
|
|
|
|
;
|
|
|
|
|
structdecl
|
|
|
|
|
: '{' structlist '}'
|
|
|
|
|
{ $$ = lookstruct($2); }
|
|
|
|
|
;
|
|
|
|
|
structlist
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$=0; }
|
|
|
|
|
| structlistel structlist
|
|
|
|
|
{ $$=(list2) myalloc(sizeof(struct list2str));
|
|
|
|
|
$$->l2next = $2;
|
|
|
|
|
$$->l2list = $1;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
structlistel
|
|
|
|
|
: TYPENAME list1 ';'
|
|
|
|
|
{ $$=(list1) myalloc(sizeof(struct list1str));
|
|
|
|
|
$$->l1next = $2;
|
|
|
|
|
$$->l1name = $1;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
optcost : /* empty */
|
|
|
|
|
{ $$.c_size = $$.c_time = 0; }
|
|
|
|
|
| COST '=' '(' expr ',' expr ')'
|
|
|
|
|
{ MUST2BEINT($4,$6);
|
|
|
|
|
$$.c_size = exp1;
|
|
|
|
|
$$.c_time = exp2;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
optformat
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$ = 0; }
|
|
|
|
|
| STRING
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
expressionsection
|
|
|
|
|
: /* empty */
|
|
|
|
|
| EXPRESSIONHEAD tokenexpressions
|
|
|
|
|
;
|
|
|
|
|
tokenexpressions
|
|
|
|
|
: tokenexpressionline
|
|
|
|
|
| tokenexpressionline tokenexpressions
|
|
|
|
|
;
|
|
|
|
|
tokenexpressionline
|
|
|
|
|
: IDENT '=' tokenexpression
|
|
|
|
|
{
|
|
|
|
|
{ register ident_p ip;
|
|
|
|
|
|
|
|
|
|
chktabsiz(nmachsets,MAXSETS,"Expression table");
|
|
|
|
|
machsets[nmachsets] = $3;
|
|
|
|
|
ip=ilookup($1,ENTER);
|
|
|
|
|
ip->i_type = IEXP;
|
|
|
|
|
ip->i_i.i_expno = nmachsets++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
| error
|
|
|
|
|
;
|
|
|
|
|
tokenexpression
|
|
|
|
|
: PIDENT
|
|
|
|
|
{ $$ = machprops[$1->i_i.i_prpno].propset; }
|
|
|
|
|
| TIDENT
|
|
|
|
|
{ register i;
|
|
|
|
|
|
|
|
|
|
for(i=0;i<SETSIZE;i++) $$.set_val[i]=0;
|
|
|
|
|
$$.set_val[($1->i_i.i_tokno+nmachregs+1)>>4] |=
|
|
|
|
|
01<<(($1->i_i.i_tokno+nmachregs+1)&017);
|
|
|
|
|
$$.set_size = machtokens[$1->i_i.i_tokno].t_size;
|
|
|
|
|
}
|
|
|
|
|
| EIDENT
|
|
|
|
|
{ $$=machsets[$1->i_i.i_expno]; }
|
|
|
|
|
| tokenexpression '*' tokenexpression
|
|
|
|
|
{ register i;
|
|
|
|
|
|
|
|
|
|
if (($$.set_size=$1.set_size)==0)
|
|
|
|
|
$$.set_size = $3.set_size;
|
|
|
|
|
for (i=0;i<SETSIZE;i++)
|
|
|
|
|
$$.set_val[i] = $1.set_val[i] & $3.set_val[i];
|
|
|
|
|
}
|
|
|
|
|
| tokenexpression '+' tokenexpression
|
|
|
|
|
{ register i;
|
|
|
|
|
|
|
|
|
|
if ($1.set_size == -1)
|
|
|
|
|
$$.set_size = $3.set_size;
|
|
|
|
|
else if ($3.set_size == -1)
|
|
|
|
|
$$.set_size = $1.set_size;
|
|
|
|
|
else if ($1.set_size == $3.set_size)
|
|
|
|
|
$$.set_size = $1.set_size;
|
|
|
|
|
else
|
|
|
|
|
$$.set_size = 0;
|
|
|
|
|
for (i=0;i<SETSIZE;i++)
|
|
|
|
|
$$.set_val[i] = $1.set_val[i] | $3.set_val[i];
|
|
|
|
|
}
|
|
|
|
|
| tokenexpression '-' tokenexpression
|
|
|
|
|
{ register i;
|
|
|
|
|
|
|
|
|
|
if ($1.set_size == -1)
|
|
|
|
|
$$.set_size = $3.set_size;
|
|
|
|
|
else if ($3.set_size == -1)
|
|
|
|
|
$$.set_size = $1.set_size;
|
|
|
|
|
else if ($1.set_size == $3.set_size)
|
|
|
|
|
$$.set_size = $1.set_size;
|
|
|
|
|
else
|
|
|
|
|
$$.set_size = 0;
|
|
|
|
|
for (i=0;i<SETSIZE;i++)
|
|
|
|
|
$$.set_val[i] = $1.set_val[i] & ~ $3.set_val[i];
|
|
|
|
|
}
|
|
|
|
|
| '(' tokenexpression ')'
|
|
|
|
|
{ $$ = $2; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
codesection
|
|
|
|
|
: CODEHEAD coderules
|
|
|
|
|
;
|
|
|
|
|
coderules
|
|
|
|
|
: coderule
|
|
|
|
|
| coderules coderule
|
|
|
|
|
;
|
|
|
|
|
coderule
|
|
|
|
|
: { nallreg=emrepllen=tokrepllen=0; }
|
|
|
|
|
empattern SEP stackpattern SEP code SEP stackreplacement SEP
|
|
|
|
|
emreplacement SEP cost
|
|
|
|
|
{ int i;
|
|
|
|
|
|
|
|
|
|
if (emrepllen) {
|
|
|
|
|
outbyte(DO_EMREPLACE+(emrepllen<<5));
|
|
|
|
|
for (i=0;i<emrepllen;i++) {
|
|
|
|
|
out(replmnem[i]);
|
|
|
|
|
out(replexpr[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if ($8==0) {
|
|
|
|
|
outbyte(DO_TOKREPLACE+(tokrepllen<<5));
|
|
|
|
|
for(i=0;i<tokrepllen;i++)
|
|
|
|
|
out(replinst[i]);
|
|
|
|
|
} else {
|
|
|
|
|
static int warncount=0;
|
|
|
|
|
if (!warncount++)
|
|
|
|
|
fprintf(stderr,
|
|
|
|
|
"WARNING: convert to stacksection, will disappear soon");
|
|
|
|
|
outbyte(DO_TOKREPLACE);
|
|
|
|
|
}
|
|
|
|
|
if ($12.c_size!=0 || $12.c_time!=0) {
|
|
|
|
|
outbyte(DO_COST);
|
|
|
|
|
out($12.c_size);
|
|
|
|
|
out($12.c_time);
|
|
|
|
|
}
|
|
|
|
|
outbyte(empatlen==0? DO_RETURN : DO_NEXTEM);
|
|
|
|
|
fprintf(cfile,"\n");
|
|
|
|
|
ncoderules++;
|
|
|
|
|
maxallreg=max(maxallreg,nallreg);
|
|
|
|
|
if (empatlen==0) { /* coercion */
|
|
|
|
|
if (tokrepllen<1 && $8==0)
|
|
|
|
|
yyerror("No replacement in coercion");
|
|
|
|
|
if (tokpatlen>1)
|
|
|
|
|
yyerror("Token pattern too long");
|
|
|
|
|
if ($8!=0) { /* stacking */
|
|
|
|
|
c1_p cp;
|
|
|
|
|
chktabsiz(nc1,MAXC1,"Coerc table 1");
|
|
|
|
|
cp = &c1coercs[nc1++];
|
|
|
|
|
cp->c1_texpno = pattokexp[1];
|
|
|
|
|
cp->c1_prop = -1;
|
|
|
|
|
cp->c1_codep = $6;
|
|
|
|
|
} else if (tokrepllen>1) { /* splitting */
|
|
|
|
|
c2_p cp;
|
|
|
|
|
chktabsiz(nc2,MAXC2,"Coerc table 2");
|
|
|
|
|
cp= &c2coercs[nc2++];
|
|
|
|
|
cp->c2_texpno = pattokexp[1];
|
|
|
|
|
cp->c2_nsplit = tokrepllen;
|
|
|
|
|
maxsplit=max(maxsplit,tokrepllen);
|
|
|
|
|
for (i=0;i<tokrepllen;i++)
|
|
|
|
|
cp->c2_repl[i] = replinst[i];
|
|
|
|
|
cp->c2_codep = $6;
|
|
|
|
|
if (nallreg>0)
|
|
|
|
|
yyerror("No allocates allowed here");
|
|
|
|
|
} else { /* one to one coercion */
|
|
|
|
|
c3_p cp;
|
|
|
|
|
chktabsiz(nc3,MAXC3,"Coerc table 3");
|
|
|
|
|
cp= &c3coercs[nc3++];
|
|
|
|
|
if (tokpatlen)
|
|
|
|
|
cp->c3_texpno = pattokexp[1];
|
|
|
|
|
else
|
|
|
|
|
cp->c3_texpno = 0;
|
|
|
|
|
if (nallreg>1)
|
|
|
|
|
yyerror("Too many allocates in coercion");
|
|
|
|
|
cp->c3_prop = nallreg==0 ? 0 : allreg[0];
|
|
|
|
|
cp->c3_repl = replinst[0];
|
|
|
|
|
cp->c3_codep = $6;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
| error
|
|
|
|
|
;
|
|
|
|
|
empattern
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ empatlen=0; }
|
|
|
|
|
| mnemlist optboolexpr
|
|
|
|
|
{ register i;
|
|
|
|
|
|
|
|
|
|
empatexpr = $2;
|
|
|
|
|
patbyte(0);
|
|
|
|
|
patshort(prevind);
|
|
|
|
|
prevind = npatbytes - 3;
|
|
|
|
|
maxempatlen = max(empatlen,maxempatlen);
|
|
|
|
|
pat(empatlen);
|
|
|
|
|
for(i=1;i<=empatlen;i++)
|
|
|
|
|
patbyte(patmnem[i]);
|
|
|
|
|
pat(empatexpr);
|
|
|
|
|
rulecount = npatbytes;
|
|
|
|
|
patbyte(1); /* number of different rules with this pattern */
|
|
|
|
|
pat(codebytes); /* first rule */
|
|
|
|
|
}
|
|
|
|
|
| ELLIPS
|
|
|
|
|
{ pattern[rulecount]++;
|
|
|
|
|
maxrule= max(maxrule,pattern[rulecount]);
|
|
|
|
|
pat(codebytes);
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
mnemlist
|
|
|
|
|
: mnem
|
|
|
|
|
{ empatlen = 1; patmnem[empatlen] = $1; }
|
|
|
|
|
| mnemlist mnem
|
1984-05-18 19:56:05 +00:00
|
|
|
{ chktabsiz(empatlen+1,MAXEMPATLEN,"EM pattern");
|
1984-05-18 19:51:06 +00:00
|
|
|
patmnem[++empatlen] = $2;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
mnem : IDENT
|
|
|
|
|
{ if(strlen($1)!=3 || ($$=mlookup($1))==0)
|
|
|
|
|
yyerror("not an EM-mnemonic");
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
stackpattern
|
|
|
|
|
: optnocoerc tokenexpressionlist optstack
|
|
|
|
|
{ register i;
|
|
|
|
|
|
|
|
|
|
if (tokpatlen != 0) {
|
|
|
|
|
outbyte(($1 ? ( $3 ? DO_XXMATCH: DO_XMATCH ) : DO_MATCH)+(tokpatlen<<5));
|
|
|
|
|
for(i=1;i<=tokpatlen;i++) {
|
|
|
|
|
out(pattokexp[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if ($3 && tokpatlen==0 && empatlen==0) {
|
|
|
|
|
outbyte(DO_COERC);
|
|
|
|
|
}
|
|
|
|
|
if ($3 && !$1 && empatlen!=0) {
|
|
|
|
|
outbyte(DO_REMOVE);
|
|
|
|
|
out(allexpno);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
optnocoerc
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$ = 0; }
|
|
|
|
|
| NOCOERC ':'
|
|
|
|
|
{ $$ = 1; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
tokenexpressionlist
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ tokpatlen = 0; }
|
|
|
|
|
| tokenexpressionlist tokenexpressionno
|
|
|
|
|
{ chktabsiz(tokpatlen+1,MAXPATLEN,"Token pattern");
|
|
|
|
|
pattokexp[++tokpatlen] = $2;
|
|
|
|
|
if (machsets[$2].set_size==0)
|
|
|
|
|
yyerror("Various sized set in tokenpattern");
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
tokenexpressionno
|
|
|
|
|
: tokenexpression
|
|
|
|
|
{ $$ = exprlookup($1); }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
optstack
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$ = 0; }
|
|
|
|
|
| STACK
|
|
|
|
|
{ $$ = 1; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
code :
|
|
|
|
|
{ $$ = codebytes; cchandled=ccspoiled=0; }
|
|
|
|
|
initcode restcode
|
|
|
|
|
{ if (cchandled==0 && ccspoiled!=0) {
|
|
|
|
|
outbyte(DO_ERASE);
|
|
|
|
|
out(ccregexpr);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
initcode
|
|
|
|
|
: /* empty */
|
|
|
|
|
| initcode remove
|
|
|
|
|
| initcode allocate
|
|
|
|
|
;
|
|
|
|
|
remove
|
|
|
|
|
: REMOVE '(' tokenexpressionno
|
|
|
|
|
{ curtokexp = $3; }
|
|
|
|
|
optcommabool ')'
|
|
|
|
|
{ outbyte(DO_REMOVE+ ($5!=0 ? 32 : 0));
|
|
|
|
|
out($3);
|
|
|
|
|
if ($5!=0) out($5);
|
|
|
|
|
}
|
|
|
|
|
| REMOVE '(' expr ')'
|
|
|
|
|
{ if ($3.expr_typ != TYPREG)
|
|
|
|
|
yyerror("Expression must be register");
|
|
|
|
|
outbyte(DO_RREMOVE);
|
|
|
|
|
out($3.expr_index);
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
optcommabool
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$ = 0; }
|
|
|
|
|
| ',' expr
|
|
|
|
|
{ MUST1BEBOOL($2);
|
|
|
|
|
$$ = exp1;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
restcode: /* empty */
|
|
|
|
|
| restcode LSTRING expr
|
|
|
|
|
{ outbyte(DO_LOUTPUT);
|
|
|
|
|
out(stringno($2));
|
|
|
|
|
free($2);
|
|
|
|
|
out($3.expr_index);
|
|
|
|
|
ccspoiled++;
|
|
|
|
|
}
|
|
|
|
|
| restcode stringlist
|
|
|
|
|
{ int i;
|
|
|
|
|
for(i=0;nstr>0;i++,nstr--) {
|
|
|
|
|
if (i%8==0) outbyte(DO_ROUTPUT+(nstr>7 ? 7 : nstr-1)*32);
|
|
|
|
|
out(strar[i]);
|
|
|
|
|
}
|
|
|
|
|
ccspoiled++;
|
|
|
|
|
}
|
|
|
|
|
| restcode RETURN
|
|
|
|
|
{ outbyte(DO_PRETURN); }
|
|
|
|
|
| restcode move
|
|
|
|
|
| restcode erase
|
|
|
|
|
| restcode NOCC
|
|
|
|
|
{ outbyte(DO_ERASE);
|
|
|
|
|
out(ccregexpr);
|
|
|
|
|
cchandled++;
|
|
|
|
|
}
|
|
|
|
|
| restcode SAMECC
|
|
|
|
|
{ cchandled++; }
|
|
|
|
|
| restcode SETCC '(' tokeninstanceno ')'
|
|
|
|
|
{ outbyte(DO_MOVE);
|
|
|
|
|
out(ccinstanceno);
|
|
|
|
|
out($4);
|
|
|
|
|
cchandled++;
|
|
|
|
|
}
|
|
|
|
|
| restcode TEST '(' tokeninstanceno ')'
|
|
|
|
|
{ outbyte(DO_MOVE);
|
|
|
|
|
out($4);
|
|
|
|
|
out(ccinstanceno);
|
|
|
|
|
ccspoiled=0;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
stringlist
|
|
|
|
|
: STRING
|
|
|
|
|
{ nstr=1;
|
|
|
|
|
strar[0]=stringno($1);
|
|
|
|
|
free($1);
|
|
|
|
|
}
|
|
|
|
|
| stringlist STRING
|
|
|
|
|
{ chktabsiz(nstr,MAXNSTR,"Consecutiv strings");
|
|
|
|
|
strar[nstr++] = stringno($2);
|
|
|
|
|
free($2);
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
move
|
|
|
|
|
: MOVE '(' tokeninstanceno ',' tokeninstanceno ')'
|
|
|
|
|
{ outbyte(DO_MOVE);
|
|
|
|
|
out($3);
|
|
|
|
|
out($5);
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
erase
|
|
|
|
|
: ERASE '(' expr ')'
|
|
|
|
|
{ outbyte(DO_ERASE);
|
|
|
|
|
out($3.expr_index);
|
|
|
|
|
if($3.expr_typ != TYPREG)
|
|
|
|
|
yyerror("Bad argument of erase");
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
allocate
|
|
|
|
|
: ALLOCATE { dealflag=0; } '(' alloclist ')'
|
|
|
|
|
{ if (dealflag)
|
|
|
|
|
outbyte(DO_REALLOCATE);
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
alloclist
|
|
|
|
|
: allocel
|
|
|
|
|
| alloclist optcomma allocel
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
allocel
|
|
|
|
|
: tokeninstanceno /* deallocate */
|
|
|
|
|
{ outbyte(DO_DEALLOCATE);
|
|
|
|
|
out($1);
|
|
|
|
|
dealflag++;
|
|
|
|
|
}
|
|
|
|
|
| PIDENT
|
|
|
|
|
{ allreg[nallreg++] = $1->i_i.i_prpno;
|
|
|
|
|
outbyte(DO_ALLOCATE);
|
|
|
|
|
out($1->i_i.i_prpno);
|
|
|
|
|
}
|
|
|
|
|
| PIDENT '=' tokeninstanceno
|
|
|
|
|
{ allreg[nallreg++] = $1->i_i.i_prpno;
|
|
|
|
|
outbyte(DO_ALLOCATE+32);
|
|
|
|
|
out($1->i_i.i_prpno);
|
|
|
|
|
out($3);
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
stackreplacement
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$=0; }
|
|
|
|
|
| STACK
|
|
|
|
|
{ $$=1; }
|
|
|
|
|
| '{' STACK '}'
|
|
|
|
|
{ $$=1; }
|
|
|
|
|
| stackrepllist
|
|
|
|
|
{ $$=0; }
|
|
|
|
|
;
|
|
|
|
|
stackrepllist
|
|
|
|
|
: tokeninstanceno
|
|
|
|
|
{ tokrepllen=1; replinst[0] = $1; }
|
|
|
|
|
| stackrepllist tokeninstanceno
|
|
|
|
|
{ chktabsiz(tokrepllen+1,MAXPATLEN,"Stack replacement");
|
|
|
|
|
replinst[tokrepllen++] = $2;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
emreplacement
|
|
|
|
|
: /* empty, normal case */
|
|
|
|
|
| emrepllist
|
|
|
|
|
;
|
|
|
|
|
emrepllist
|
|
|
|
|
: mnem optexpr
|
|
|
|
|
{ emrepllen=1;
|
|
|
|
|
replmnem[0]=$1;
|
|
|
|
|
replexpr[0]=$2.expr_index;
|
|
|
|
|
}
|
|
|
|
|
| emrepllist mnem optexpr
|
1984-05-18 19:56:05 +00:00
|
|
|
{ chktabsiz(emrepllen+1,MAXEMPATLEN,"EM replacement");
|
1984-05-18 19:51:06 +00:00
|
|
|
replmnem[emrepllen]=$2;
|
|
|
|
|
replexpr[emrepllen]=$3.expr_index;
|
|
|
|
|
emrepllen++;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
cost : /* empty */
|
|
|
|
|
{ $$.c_size = $$.c_time = 0;
|
|
|
|
|
}
|
|
|
|
|
| '(' expr ',' expr ')'
|
|
|
|
|
{ MUST2BEINT($2,$4);
|
|
|
|
|
$$.c_size = exp1;
|
|
|
|
|
$$.c_time = exp2;
|
|
|
|
|
}
|
|
|
|
|
| cost '+' '%' '[' tokargno ']'
|
|
|
|
|
{ $$.c_size = lookup(1,EX_PLUS,$1.c_size,
|
|
|
|
|
lookup(0,EX_COST,$5,0));
|
|
|
|
|
$$.c_time = lookup(1,EX_PLUS,$1.c_time,
|
|
|
|
|
lookup(0,EX_COST,$5,1));
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
movesection
|
|
|
|
|
: MOVEHEAD movedefs
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
movedefs
|
|
|
|
|
: movedef
|
|
|
|
|
| movedefs movedef
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
movedef
|
|
|
|
|
: '(' tokenexpressionno
|
|
|
|
|
{ curtokexp = $2; }
|
|
|
|
|
optboolexpr ',' tokenexpressionno
|
|
|
|
|
{ curtokexp = $6;
|
|
|
|
|
pattokexp[1] = $2;
|
|
|
|
|
pattokexp[2] = $6;
|
|
|
|
|
tokpatlen=2;
|
|
|
|
|
}
|
|
|
|
|
optboolexpr ',' code optcommacost ')'
|
|
|
|
|
{ register move_p mp;
|
|
|
|
|
|
|
|
|
|
outbyte(DO_RETURN);
|
|
|
|
|
fprintf(cfile,"\n");
|
|
|
|
|
chktabsiz(nmoves,NMOVES,"Move definition table");
|
|
|
|
|
mp = &machmoves[nmoves++];
|
|
|
|
|
mp->m_set1 = $2;
|
|
|
|
|
mp->m_expr1= $4;
|
|
|
|
|
mp->m_set2 = $6;
|
|
|
|
|
mp->m_expr2= $8;
|
|
|
|
|
mp->m_cindex=$10;
|
|
|
|
|
mp->m_cost = $11;
|
|
|
|
|
}
|
|
|
|
|
| error
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
testsection
|
|
|
|
|
: /* empty */
|
|
|
|
|
| TESTHEAD testdefs
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
testdefs: testdef
|
|
|
|
|
| testdefs testdef
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
testdef : '(' tokenexpressionno
|
|
|
|
|
{ curtokexp = $2;
|
|
|
|
|
pattokexp[1] = $2;
|
|
|
|
|
pattokexp[2] = cocosetno;
|
|
|
|
|
tokpatlen=2;
|
|
|
|
|
}
|
|
|
|
|
optboolexpr ',' code optcommacost ')'
|
|
|
|
|
{ register move_p mp;
|
|
|
|
|
|
|
|
|
|
outbyte(DO_RETURN);
|
|
|
|
|
fprintf(cfile,"\n");
|
|
|
|
|
chktabsiz(nmoves,NMOVES,"Move definition table(tests)");
|
|
|
|
|
mp = &machmoves[nmoves++];
|
|
|
|
|
mp->m_set1 = $2;
|
|
|
|
|
mp->m_expr1 = $4;
|
|
|
|
|
mp->m_set2 = cocosetno;
|
|
|
|
|
mp->m_expr2 = 0;
|
|
|
|
|
mp->m_cindex = $6;
|
|
|
|
|
mp->m_cost = $7;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
stacksection
|
|
|
|
|
: STACKHEAD stackdefs
|
|
|
|
|
| /* empty */
|
|
|
|
|
;
|
|
|
|
|
stackdefs
|
|
|
|
|
: stackdef
|
|
|
|
|
| stackdefs stackdef
|
|
|
|
|
;
|
|
|
|
|
stackdef
|
|
|
|
|
: '(' tokenexpressionno
|
|
|
|
|
{ curtokexp = $2;
|
|
|
|
|
pattokexp[1] = $2;
|
|
|
|
|
tokpatlen=1;
|
|
|
|
|
}
|
|
|
|
|
optboolexpr ',' optprop ',' code optcommacost ')'
|
|
|
|
|
{ register c1_p cp;
|
|
|
|
|
|
|
|
|
|
outbyte(DO_TOKREPLACE);
|
|
|
|
|
outbyte(DO_RETURN);
|
|
|
|
|
fprintf(cfile,"\n");
|
|
|
|
|
chktabsiz(nc1,MAXC1,"Stacking table");
|
|
|
|
|
cp = &c1coercs[nc1++];
|
|
|
|
|
cp->c1_texpno = $2;
|
|
|
|
|
cp->c1_expr = $4;
|
|
|
|
|
cp->c1_prop = $6;
|
|
|
|
|
cp->c1_codep = $8;
|
|
|
|
|
cp->c1_cost = $9;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
optprop
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$ = -1; }
|
|
|
|
|
| PIDENT
|
|
|
|
|
{ $$ = $1->i_i.i_prpno; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
optcommacost
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$.c_size = 0; $$.c_time = 0;}
|
|
|
|
|
| ',' cost
|
|
|
|
|
{ $$ = $2; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
list1 : /* empty */
|
|
|
|
|
{ $$ = 0; }
|
|
|
|
|
| optcomma IDENT list1
|
|
|
|
|
{ $$=(list1) myalloc(sizeof(struct list1str));
|
|
|
|
|
$$->l1next = $3;
|
|
|
|
|
$$->l1name = $2;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
optcomma: /* nothing */
|
|
|
|
|
| ','
|
|
|
|
|
;
|
|
|
|
|
emargno : NUMBER
|
|
|
|
|
{ if ($1<1 || $1>empatlen)
|
|
|
|
|
yyerror("Number after $ out of range");
|
|
|
|
|
$$ = $1;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
tokargno
|
|
|
|
|
: NUMBER
|
|
|
|
|
{ if ($1<1 || $1>tokpatlen)
|
|
|
|
|
yyerror("Number within %[] out of range");
|
|
|
|
|
$$ = $1;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
expr : '$' emargno
|
|
|
|
|
{ $$.expr_index = lookup(0,EX_ARG,$2,0); $$.expr_typ = argtyp(patmnem[$2]);
|
|
|
|
|
}
|
|
|
|
|
| NUMBER
|
|
|
|
|
{ $$.expr_index = lookup(0,EX_CON,(int)($1&0177777),(int)($1>>16));
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| STRING
|
|
|
|
|
{ $$.expr_index = lookup(0,EX_STRING,strlookup($1),0);
|
|
|
|
|
$$.expr_typ = TYPSTR;
|
|
|
|
|
}
|
|
|
|
|
| RIDENT
|
|
|
|
|
{ $$.expr_index = lookup(0,EX_REG,$1->i_i.i_regno,0);
|
|
|
|
|
$$.expr_typ = TYPREG;
|
|
|
|
|
}
|
|
|
|
|
| '%' '[' tokargno '.' IDENT ']'
|
|
|
|
|
{ $$.expr_index = lookup(0,EX_TOKFIELD,$3,
|
|
|
|
|
findstructel(pattokexp[$3],$5,&$$.expr_typ));
|
|
|
|
|
}
|
|
|
|
|
| '%' '[' tokargno subreg ']'
|
|
|
|
|
{ chkregexp(pattokexp[$3]);
|
|
|
|
|
$$.expr_index = lookup(0,EX_SUBREG,$3,$4);
|
|
|
|
|
$$.expr_typ = TYPREG;
|
|
|
|
|
}
|
|
|
|
|
| '%' '[' LCASELETTER subreg ']'
|
|
|
|
|
{ if ($3 >= 'a'+nallreg)
|
|
|
|
|
yyerror("Bad letter in %[x] construct");
|
|
|
|
|
$$.expr_index = lookup(0,EX_ALLREG,$3-'a'+1,$4);
|
|
|
|
|
$$.expr_typ = TYPREG;
|
|
|
|
|
}
|
|
|
|
|
| '%' '[' IDENT ']'
|
|
|
|
|
{ $$.expr_index = lookup(0,EX_TOKFIELD,0,
|
|
|
|
|
findstructel(curtokexp,$3,&$$.expr_typ));
|
|
|
|
|
}
|
|
|
|
|
| TOSTRING '(' expr ')'
|
|
|
|
|
{ MUST1BEINT($3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_TOSTRING,exp1,0);
|
|
|
|
|
$$.expr_typ = TYPSTR;
|
|
|
|
|
}
|
|
|
|
|
| DEFINED '(' expr ')'
|
|
|
|
|
{ $$.expr_index = lookup(0,EX_DEFINED,$3.expr_index,0);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| SAMESIGN '(' expr ',' expr ')'
|
|
|
|
|
{ MUST2BEINT($3,$5);
|
|
|
|
|
$$.expr_index = lookup(1,EX_SAMESIGN,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| SFIT '(' expr ',' expr ')'
|
|
|
|
|
{ MUST2BEINT($3,$5);
|
|
|
|
|
$$.expr_index = lookup(0,EX_SFIT,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| UFIT '(' expr ',' expr ')'
|
|
|
|
|
{ MUST2BEINT($3,$5);
|
|
|
|
|
$$.expr_index = lookup(0,EX_UFIT,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| ROM '(' emargno ',' NUMBER ')'
|
|
|
|
|
{ if ($5<1 || $5>3)
|
|
|
|
|
yyerror("Second argument of rom must be >=1 and <=3");
|
|
|
|
|
$$.expr_index = lookup(0,EX_ROM,$3-1,$5-1);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| LOWW '(' emargno ')'
|
|
|
|
|
{
|
|
|
|
|
$$.expr_index = lookup(0,EX_LOWW,$3-1,0);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| HIGHW '(' emargno ')'
|
|
|
|
|
{
|
|
|
|
|
$$.expr_index = lookup(0,EX_HIGHW,$3-1,0);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| '(' expr ')'
|
|
|
|
|
{ $$ = $2; }
|
|
|
|
|
| expr CMPEQ expr
|
|
|
|
|
{ switch(commontype($1,$3)) {
|
|
|
|
|
case TYPINT:
|
|
|
|
|
$$.expr_index = lookup(1,EX_NCPEQ,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
case TYPSTR:
|
|
|
|
|
$$.expr_index = lookup(1,EX_SCPEQ,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
case TYPREG:
|
|
|
|
|
$$.expr_index = lookup(1,EX_RCPEQ,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr CMPNE expr
|
|
|
|
|
{ switch(commontype($1,$3)) {
|
|
|
|
|
case TYPINT:
|
|
|
|
|
$$.expr_index = lookup(1,EX_NCPNE,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
case TYPSTR:
|
|
|
|
|
$$.expr_index = lookup(1,EX_SCPNE,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
case TYPREG:
|
|
|
|
|
$$.expr_index = lookup(1,EX_RCPNE,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr CMPGT expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_NCPGT,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr CMPGE expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_NCPGE,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr CMPLT expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_NCPLT,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr CMPLE expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_NCPLE,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr OR2 expr
|
|
|
|
|
{ MUST2BEBOOL($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_OR2,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr AND2 expr
|
|
|
|
|
{ MUST2BEBOOL($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_AND2,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| expr '+' expr
|
|
|
|
|
{ switch(commontype($1,$3)) {
|
|
|
|
|
case TYPINT:
|
|
|
|
|
$$.expr_index = lookup(1,EX_PLUS,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
case TYPSTR:
|
|
|
|
|
$$.expr_index = lookup(0,EX_CAT,$1.expr_index,$3.expr_index);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
yyerror("Bad types");
|
|
|
|
|
}
|
|
|
|
|
$$.expr_typ = $1.expr_typ;
|
|
|
|
|
}
|
|
|
|
|
| expr '-' expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_MINUS,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| expr '*' expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(1,EX_TIMES,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| expr '/' expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_DIVIDE,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| expr '%' expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_MOD,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| expr LSHIFT expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_LSHIFT,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| expr RSHIFT expr
|
|
|
|
|
{ MUST2BEINT($1,$3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_RSHIFT,exp1,exp2);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| NOT expr
|
|
|
|
|
{ MUST1BEBOOL($2);
|
|
|
|
|
$$.expr_index = lookup(0,EX_NOT,exp1,0);
|
|
|
|
|
$$.expr_typ = TYPBOOL;
|
|
|
|
|
}
|
|
|
|
|
| COMP expr
|
|
|
|
|
{ MUST1BEINT($2);
|
|
|
|
|
$$.expr_index = lookup(0,EX_COMP,exp1,0);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| INREG '(' expr ')'
|
|
|
|
|
{ MUST1BEINT($3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_INREG,exp1,0);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
| REGVAR '(' expr ')'
|
|
|
|
|
{ MUST1BEINT($3);
|
|
|
|
|
$$.expr_index = lookup(0,EX_REGVAR,exp1,0);
|
|
|
|
|
$$.expr_typ = TYPREG;
|
|
|
|
|
}
|
|
|
|
|
/*
|
|
|
|
|
| '-' expr %prec UMINUS
|
|
|
|
|
{ MUST1BEINT($2);
|
|
|
|
|
$$.expr_index = lookup(0,EX_UMINUS,exp1,0);
|
|
|
|
|
$$.expr_typ = TYPINT;
|
|
|
|
|
}
|
|
|
|
|
*/
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
subreg : /* empty */
|
|
|
|
|
{ $$=0; }
|
|
|
|
|
| '.' NUMBER
|
|
|
|
|
{ $$=$2; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
optboolexpr
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$ = 0; }
|
|
|
|
|
| expr
|
|
|
|
|
{ MUST1BEBOOL($1);
|
|
|
|
|
$$=exp1;
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
optexpr
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ $$.expr_typ=0;
|
|
|
|
|
$$.expr_index=0;
|
|
|
|
|
}
|
|
|
|
|
| expr
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
tokeninstanceno
|
|
|
|
|
: tokeninstance
|
|
|
|
|
{ $$ = instno($1); }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
tokeninstance
|
|
|
|
|
: '%' '[' tokargno subreg ']'
|
|
|
|
|
{ register i;
|
|
|
|
|
|
|
|
|
|
if ($4!=0)
|
|
|
|
|
chkregexp(pattokexp[$3]);
|
|
|
|
|
$$.in_which = IN_COPY;
|
|
|
|
|
$$.in_info[0] = $3;
|
|
|
|
|
$$.in_info[1] = $4;
|
|
|
|
|
for (i=2;i<TOKENSIZE;i++)
|
|
|
|
|
$$.in_info[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
| '%' '[' tokargno '.' IDENT ']'
|
|
|
|
|
{ int typ;
|
|
|
|
|
register i;
|
|
|
|
|
$$.in_which = IN_COPY;
|
|
|
|
|
$$.in_info[0] = $3;
|
|
|
|
|
$$.in_info[1] = findstructel(pattokexp[$3],$5,&typ);
|
|
|
|
|
if (typ != TYPREG)
|
|
|
|
|
yyerror("Must be register");
|
|
|
|
|
for (i=2;i<TOKENSIZE;i++)
|
|
|
|
|
$$.in_info[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
| RIDENT
|
|
|
|
|
{ register i;
|
|
|
|
|
$$.in_which = IN_RIDENT;
|
|
|
|
|
$$.in_info[0] = $1->i_i.i_regno;
|
|
|
|
|
for (i=1;i<TOKENSIZE;i++)
|
|
|
|
|
$$.in_info[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
| REGVAR '(' expr ')'
|
|
|
|
|
{ register i;
|
|
|
|
|
MUST1BEINT($3);
|
|
|
|
|
$$.in_which = IN_REGVAR;
|
|
|
|
|
$$.in_info[0] = exp1;
|
|
|
|
|
for (i=1;i<TOKENSIZE;i++)
|
|
|
|
|
$$.in_info[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
| '%' '[' LCASELETTER subreg ']'
|
|
|
|
|
{ register i;
|
|
|
|
|
if ($3 >= 'a'+nallreg)
|
|
|
|
|
yyerror("Bad letter in %[x] construct");
|
|
|
|
|
$$.in_which = IN_ALLOC;
|
|
|
|
|
$$.in_info[0] = $3-'a';
|
|
|
|
|
$$.in_info[1] = $4;
|
|
|
|
|
for (i=2;i<TOKENSIZE;i++)
|
|
|
|
|
$$.in_info[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
| '{' TIDENT attlist '}'
|
|
|
|
|
{ register i;
|
|
|
|
|
$$.in_which = IN_DESCR;
|
|
|
|
|
$$.in_info[0] = $2->i_i.i_tokno;
|
|
|
|
|
for(i=0;i<narexp;i++) {
|
|
|
|
|
if (arexp[i].expr_typ !=
|
|
|
|
|
machtokens[$2->i_i.i_tokno].t_fields[i].t_type)
|
|
|
|
|
yyerror("Attribute %d has wrong type",i+1);
|
|
|
|
|
$$.in_info[i+1] = arexp[i].expr_index;
|
|
|
|
|
}
|
|
|
|
|
for (i=narexp+1;i<TOKENSIZE;i++) {
|
|
|
|
|
if (machtokens[$2->i_i.i_tokno].t_fields[i-1].t_type!=0)
|
|
|
|
|
yyerror("Too few attributes");
|
|
|
|
|
$$.in_info[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
attlist
|
|
|
|
|
: /* empty */
|
|
|
|
|
{ narexp = 0; }
|
|
|
|
|
| attlist ',' expr
|
|
|
|
|
{ arexp[narexp++] = $3; }
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
%%
|
|
|
|
|
|
|
|
|
|
char * myalloc(n) {
|
|
|
|
|
register char *p;
|
|
|
|
|
|
|
|
|
|
p= (char*) malloc(n);
|
|
|
|
|
if (p==0) {
|
|
|
|
|
yyerror("Out of core");
|
|
|
|
|
exit(1);
|
|
|
|
|
}
|
|
|
|
|
return(p);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
tstint(e) expr_t e; {
|
|
|
|
|
|
|
|
|
|
if(e.expr_typ != TYPINT)
|
|
|
|
|
yyerror("Must be integer expression");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
tstbool(e) expr_t e; {
|
|
|
|
|
|
|
|
|
|
if(e.expr_typ != TYPBOOL)
|
|
|
|
|
yyerror("Must be boolean expression");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
structsize(s) register list2 s; {
|
|
|
|
|
register list1 l;
|
|
|
|
|
register sum;
|
|
|
|
|
|
|
|
|
|
sum = 0;
|
|
|
|
|
while ( s != 0 ) {
|
|
|
|
|
l = s->l2list->l1next;
|
|
|
|
|
while ( l != 0 ) {
|
|
|
|
|
sum++;
|
|
|
|
|
l = l->l1next;
|
|
|
|
|
}
|
|
|
|
|
s = s->l2next;
|
|
|
|
|
}
|
|
|
|
|
return(sum);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
list2 lookstruct(ll) list2 ll; {
|
|
|
|
|
list3 l3;
|
|
|
|
|
list2 l21,l22;
|
|
|
|
|
list1 l11,l12;
|
|
|
|
|
|
|
|
|
|
for (l3=structpool;l3 != 0;l3=l3->l3next) {
|
|
|
|
|
for (l21=l3->l3list,l22=ll;l21!=0 && l22!=0;
|
|
|
|
|
l21=l21->l2next,l22=l22->l2next) {
|
|
|
|
|
for(l11=l21->l2list,l12=l22->l2list;
|
|
|
|
|
l11!=0 && l12!=0 && strcmp(l11->l1name,l12->l1name)==0;
|
|
|
|
|
l11=l11->l1next,l12=l12->l1next)
|
|
|
|
|
;
|
|
|
|
|
if (l11!=0 || l12!=0)
|
|
|
|
|
goto contin;
|
|
|
|
|
}
|
|
|
|
|
if(l21==0 && l22==0)
|
|
|
|
|
return(l3->l3list);
|
|
|
|
|
contin:;
|
|
|
|
|
}
|
|
|
|
|
l3 = (list3) myalloc(sizeof(struct list3str));
|
|
|
|
|
l3->l3next=structpool;
|
|
|
|
|
l3->l3list=ll;
|
|
|
|
|
structpool=l3;
|
|
|
|
|
return(ll);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
instno(inst) inst_t inst; {
|
|
|
|
|
register i,j;
|
|
|
|
|
|
|
|
|
|
for(i=1;i<narinstance;i++) {
|
|
|
|
|
if (arinstance[i].in_which != inst.in_which)
|
|
|
|
|
continue;
|
|
|
|
|
for(j=0;j<TOKENSIZE;j++)
|
|
|
|
|
if(arinstance[i].in_info[j] != inst.in_info[j])
|
|
|
|
|
goto cont;
|
|
|
|
|
return(i);
|
|
|
|
|
cont:;
|
|
|
|
|
}
|
|
|
|
|
chktabsiz(narinstance,MAXINSTANCE,"Instance table");
|
|
|
|
|
arinstance[narinstance] = inst;
|
|
|
|
|
return(narinstance++);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
string scopy(s) string s; {
|
|
|
|
|
register string t;
|
|
|
|
|
|
|
|
|
|
t = (char *) myalloc(strlen(s)+1);
|
|
|
|
|
strcpy(t,s);
|
|
|
|
|
return(t);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
strlookup(s) string s; {
|
|
|
|
|
register i;
|
|
|
|
|
|
|
|
|
|
for(i=0;i<ncodestrings;i++)
|
|
|
|
|
if(strcmp(s,codestrings[i])==0)
|
|
|
|
|
return(i);
|
|
|
|
|
chktabsiz(ncodestrings,MAXSTRINGS,"string table");
|
|
|
|
|
codestrings[ncodestrings] = scopy(s);
|
|
|
|
|
return(ncodestrings++);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
stringno(s) register string s; {
|
|
|
|
|
char buf[256];
|
|
|
|
|
register char *p=buf;
|
|
|
|
|
|
|
|
|
|
while(*s != 0) switch(*s) {
|
|
|
|
|
default:
|
|
|
|
|
*p++ = *s++;
|
|
|
|
|
continue;
|
|
|
|
|
case '$':
|
|
|
|
|
s++;
|
|
|
|
|
switch(*s) {
|
|
|
|
|
default:
|
|
|
|
|
yyerror("Bad character after $ in codestring");
|
|
|
|
|
case '$':
|
|
|
|
|
*p++ = *s++;
|
|
|
|
|
continue;
|
|
|
|
|
case '1':
|
|
|
|
|
case '2':
|
|
|
|
|
case '3':
|
|
|
|
|
case '4':
|
|
|
|
|
case '5':
|
|
|
|
|
case '6':
|
|
|
|
|
case '7':
|
|
|
|
|
case '8':
|
|
|
|
|
case '9':
|
|
|
|
|
*p++ = argtyp(patmnem[*s-'0']) == TYPINT ?
|
|
|
|
|
PR_EMINT : PR_EMSTR;
|
|
|
|
|
*p++ = *s++ -'0';
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
case '%':
|
|
|
|
|
s++;
|
|
|
|
|
if (*s != '[') {
|
|
|
|
|
if(*s == '%') {
|
|
|
|
|
*p++ = *s++;
|
|
|
|
|
continue;
|
|
|
|
|
} else
|
|
|
|
|
yyerror("Bad character following %% in codestring");
|
|
|
|
|
} else
|
|
|
|
|
s++;
|
|
|
|
|
if(isdigit(*s)) {
|
|
|
|
|
int num;
|
|
|
|
|
num = *s++ - '0';
|
|
|
|
|
if (num<1 || num>tokpatlen)
|
|
|
|
|
yyerror("Number within %[] out of range");
|
|
|
|
|
if (*s == ']') {
|
|
|
|
|
s++;
|
|
|
|
|
*p++ = PR_TOK;
|
|
|
|
|
*p++ = num;
|
|
|
|
|
} else if (*s++ != '.')
|
|
|
|
|
yyerror("Bad character following %%[digit in codestring");
|
|
|
|
|
else {
|
|
|
|
|
char field[256];
|
|
|
|
|
register char *f=field;
|
|
|
|
|
int type,offset;
|
|
|
|
|
|
|
|
|
|
while( *s != ']' && *s != 0)
|
|
|
|
|
*f++ = *s++;
|
|
|
|
|
*f++ = 0;
|
|
|
|
|
if (*s != ']')
|
|
|
|
|
yyerror("Unterminated %[] construction in codestring");
|
|
|
|
|
else
|
|
|
|
|
s++;
|
|
|
|
|
if (isdigit(field[0])) {
|
|
|
|
|
chkregexp(pattokexp[num]);
|
|
|
|
|
*p++ = PR_SUBREG;
|
|
|
|
|
*p++ = num;
|
|
|
|
|
*p++ = atoi(field);
|
|
|
|
|
} else {
|
|
|
|
|
offset = findstructel(pattokexp[num],field,&type);
|
|
|
|
|
*p++ = PR_TOKFLD;
|
|
|
|
|
*p++ = num;
|
|
|
|
|
*p++ = offset;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else if (*s >= 'a' && *s < 'a'+nallreg) {
|
|
|
|
|
int reg,subreg;
|
|
|
|
|
reg = *s++ -'a'+1;
|
|
|
|
|
if(*s == ']')
|
|
|
|
|
subreg = 255;
|
|
|
|
|
else {
|
|
|
|
|
if (*s != '.')
|
|
|
|
|
yyerror("Bad character following %%[x in codestring");
|
|
|
|
|
s++;
|
|
|
|
|
if(!isdigit(*s))
|
|
|
|
|
yyerror("Bad character following %%[x. in codestring");
|
|
|
|
|
subreg = *s - '0';
|
|
|
|
|
s++;
|
|
|
|
|
if(*s != ']')
|
|
|
|
|
yyerror("Bad character following %%[x.y in codestring");
|
|
|
|
|
}
|
|
|
|
|
s++;
|
|
|
|
|
*p++ = PR_ALLREG;
|
|
|
|
|
*p++ = reg;
|
|
|
|
|
*p++ = subreg;
|
|
|
|
|
} else
|
|
|
|
|
yyerror("Bad character following %%[ in codestring");
|
|
|
|
|
}
|
|
|
|
|
*p++ = 0;
|
|
|
|
|
return(strlookup(buf));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
tabovf(tablename) string tablename; {
|
|
|
|
|
char buf[256];
|
|
|
|
|
|
|
|
|
|
sprintf(buf,"%s overflow",tablename);
|
|
|
|
|
yyerror(buf);
|
|
|
|
|
exit(-1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
main(argc,argv) char *argv[]; {
|
|
|
|
|
|
1984-10-23 13:39:15 +00:00
|
|
|
while (--argc) {
|
|
|
|
|
++argv;
|
|
|
|
|
if (argv[0][0]=='-') {
|
|
|
|
|
switch (argv[0][1]) {
|
|
|
|
|
case 'h':
|
|
|
|
|
hname= &argv[0][2];
|
|
|
|
|
break;
|
|
|
|
|
case 'c':
|
|
|
|
|
cname= &argv[0][2];
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
fprintf(stderr,"Bad flag %s\n",argv[0]);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
iname= argv[0];
|
|
|
|
|
}
|
1984-05-18 19:51:06 +00:00
|
|
|
}
|
|
|
|
|
inithash();
|
|
|
|
|
initio();
|
|
|
|
|
inittables();
|
|
|
|
|
yyparse();
|
|
|
|
|
if (nerrors==0) {
|
|
|
|
|
compueq();
|
|
|
|
|
hashpatterns();
|
|
|
|
|
finishio();
|
|
|
|
|
verbose();
|
|
|
|
|
}
|
|
|
|
|
debug();
|
|
|
|
|
exit(nerrors);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
lookup(comm,operator,lnode,rnode) {
|
|
|
|
|
register node_p p;
|
|
|
|
|
|
|
|
|
|
for (p=nodes+1;p<lastnode;p++) {
|
|
|
|
|
if (p->ex_operator != operator)
|
|
|
|
|
continue;
|
|
|
|
|
if (!(p->ex_lnode == lnode && p->ex_rnode == rnode ||
|
|
|
|
|
comm && p->ex_lnode == rnode && p->ex_rnode == lnode))
|
|
|
|
|
continue;
|
|
|
|
|
return(p-nodes);
|
|
|
|
|
}
|
|
|
|
|
if (lastnode >= &nodes[MAXNODES])
|
|
|
|
|
yyerror("node table overflow");
|
|
|
|
|
lastnode++;
|
|
|
|
|
p->ex_operator = operator;
|
|
|
|
|
p->ex_lnode = lnode;
|
|
|
|
|
p->ex_rnode = rnode;
|
|
|
|
|
return(p-nodes);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
compueq() {
|
|
|
|
|
register i,j;
|
|
|
|
|
|
|
|
|
|
for (i=1;i<nmachregs;i++) {
|
|
|
|
|
for (j=1;j<i;j++)
|
|
|
|
|
if (eqregclass(i,j)) {
|
|
|
|
|
stregclass[i] = stregclass[j];
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (j==i)
|
|
|
|
|
stregclass[i] = nregclasses++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
eqregclass(r1,r2) {
|
|
|
|
|
register reginfo rp1,rp2;
|
|
|
|
|
register i;
|
|
|
|
|
short regbits[(MAXREGS+15)>>4];
|
|
|
|
|
int member;
|
|
|
|
|
|
|
|
|
|
rp1 = machregs[r1]; rp2 = machregs[r2];
|
|
|
|
|
for (i=0;i<((nprops+15)>>4);i++)
|
|
|
|
|
if (rp1->rprop[i] != rp2->rprop[i])
|
|
|
|
|
return(0);
|
|
|
|
|
for (i=0;i<((MAXREGS+15)>>4);i++)
|
|
|
|
|
regbits[i] = 0;
|
|
|
|
|
for (i=0;i<maxmembers;i++) {
|
|
|
|
|
if (member = rp1->rmembers[i])
|
|
|
|
|
regbits[member>>4] |= (1<<(member&017));
|
|
|
|
|
}
|
|
|
|
|
for (i=0;i<maxmembers;i++) {
|
|
|
|
|
member = rp2->rmembers[i];
|
|
|
|
|
if (regbits[member>>4]&(1<<(member&017)))
|
|
|
|
|
return(0);
|
|
|
|
|
}
|
|
|
|
|
return(1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
unsigned hash(name) register string name; {
|
|
|
|
|
register unsigned sum;
|
|
|
|
|
register i;
|
|
|
|
|
|
|
|
|
|
for (sum=i=0;*name;i+=3)
|
|
|
|
|
sum ^= (*name++)<<(i&07);
|
|
|
|
|
return(sum);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ident_p ilookup(name,enterf) string name; int enterf; {
|
|
|
|
|
register ident_p p,*pp;
|
|
|
|
|
|
|
|
|
|
pp = &identtab[hash(name)%ITABSIZE];
|
|
|
|
|
while (*pp != 0) {
|
|
|
|
|
if (strcmp((*pp)->i_name,name)==0)
|
|
|
|
|
if (enterf != ENTER)
|
|
|
|
|
return(*pp);
|
|
|
|
|
else
|
|
|
|
|
yyerror("Multiply defined symbol");
|
|
|
|
|
pp = &(*pp)->i_next;
|
|
|
|
|
}
|
|
|
|
|
if (enterf == LOOKUP)
|
|
|
|
|
yyerror("Undefined symbol");
|
|
|
|
|
if (enterf == JUSTLOOKING)
|
|
|
|
|
return(0);
|
|
|
|
|
p = *pp = (ident_p) myalloc(sizeof(ident_t));
|
|
|
|
|
p->i_name = name;
|
|
|
|
|
p->i_next = 0;
|
|
|
|
|
p->i_type = 0;
|
|
|
|
|
return(p);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
initio() {
|
|
|
|
|
|
1984-10-23 13:39:15 +00:00
|
|
|
if (iname!=0 && freopen(iname,"r",stdin)==NULL) {
|
|
|
|
|
fprintf(stderr,"Can't open %s\n",iname);
|
|
|
|
|
exit(-1);
|
|
|
|
|
}
|
|
|
|
|
if ((cfile=fopen(cname,"w"))==NULL) {
|
|
|
|
|
fprintf(stderr,"Can't create %s\n",cname);
|
1984-05-18 19:51:06 +00:00
|
|
|
exit(-1);
|
|
|
|
|
}
|
1984-10-23 13:39:15 +00:00
|
|
|
if ((hfile=fopen(hname,"w"))==NULL) {
|
|
|
|
|
fprintf(stderr,"Can't create %s\n",hname);
|
1984-05-18 19:51:06 +00:00
|
|
|
exit(-1);
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"#include \"param.h\"\n");
|
|
|
|
|
fprintf(cfile,"#include \"tables.h\"\n");
|
|
|
|
|
fprintf(cfile,"#include \"types.h\"\n");
|
|
|
|
|
fprintf(cfile,"#include <cg_pattern.h>\n");
|
|
|
|
|
fprintf(cfile,"#include \"data.h\"\n");
|
|
|
|
|
fprintf(cfile,"\nbyte coderules[] = {\n");
|
|
|
|
|
patbyte(0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
exprlookup(sett) set_t sett; {
|
|
|
|
|
register i,j,ok;
|
|
|
|
|
|
|
|
|
|
for(i=0;i<nmachsets;i++) {
|
|
|
|
|
ok= (sett.set_size == machsets[i].set_size);
|
|
|
|
|
for(j=0;j<SETSIZE;j++) {
|
|
|
|
|
if (sett.set_val[j] == machsets[i].set_val[j])
|
|
|
|
|
continue;
|
|
|
|
|
ok=0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (ok)
|
|
|
|
|
return(i);
|
|
|
|
|
}
|
|
|
|
|
chktabsiz(nmachsets,MAXSETS,"Expression table");
|
|
|
|
|
machsets[nmachsets] = sett;
|
|
|
|
|
return(nmachsets++);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inittables() {
|
|
|
|
|
register reginfo r;
|
|
|
|
|
register i;
|
|
|
|
|
inst_t inst;
|
|
|
|
|
set_t sett;
|
|
|
|
|
|
|
|
|
|
nodes[0].ex_operator=EX_CON;
|
|
|
|
|
nodes[0].ex_lnode=0;
|
|
|
|
|
nodes[0].ex_rnode=0;
|
|
|
|
|
cocopropno=nprops++;
|
|
|
|
|
r=(reginfo)myalloc(sizeof(struct reginfo));
|
|
|
|
|
r->rname = "cc reg";
|
|
|
|
|
r->rrepr = "CC";
|
|
|
|
|
r->rsize = -1;
|
|
|
|
|
r->rregvar= -1;
|
|
|
|
|
for(i=0;i<MAXMEMBERS;i++)
|
|
|
|
|
r->rmembers[i] = 0;
|
|
|
|
|
for(i=0;i<PROPSETSIZE;i++)
|
|
|
|
|
r->rprop[i] = 0;
|
|
|
|
|
r->rprop[cocopropno>>4] |= (1<<(cocopropno&017));
|
|
|
|
|
chktabsiz(nmachregs,MAXREGS,"Register table");
|
|
|
|
|
machregs[nmachregs++] = r;
|
|
|
|
|
inst.in_which = IN_RIDENT;
|
|
|
|
|
inst.in_info[0] = nmachregs-1;
|
|
|
|
|
for(i=1;i<TOKENSIZE;i++)
|
|
|
|
|
inst.in_info[i]=0;
|
|
|
|
|
ccinstanceno=instno(inst);
|
|
|
|
|
ccregexpr=lookup(0,EX_REG,nmachregs-1,0);
|
|
|
|
|
sett.set_size=0;
|
|
|
|
|
for (i=0;i<SETSIZE;i++)
|
|
|
|
|
sett.set_val[i]=0;
|
|
|
|
|
sett.set_val[nmachregs>>4] |= (01<<(nmachregs&017));
|
|
|
|
|
cocosetno=exprlookup(sett);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
outregs() {
|
|
|
|
|
register i,j,k;
|
|
|
|
|
static short rset[(MAXREGS+15)>>4];
|
|
|
|
|
int t,ready;
|
|
|
|
|
|
|
|
|
|
fprintf(cfile,"char stregclass[] = {\n");
|
|
|
|
|
for (i=0;i<nmachregs;i++)
|
|
|
|
|
fprintf(cfile,"\t%d,\n",stregclass[i]);
|
|
|
|
|
fprintf(cfile,"};\n\nstruct reginfo machregs[] = {\n{0},\n");
|
|
|
|
|
for (i=1;i<nmachregs;i++) {
|
|
|
|
|
fprintf(cfile,"{%d,%d",strlookup(machregs[i]->rrepr),
|
|
|
|
|
machregs[i]->rsize);
|
|
|
|
|
if (maxmembers!=0) {
|
|
|
|
|
fprintf(cfile,",{");
|
|
|
|
|
for(j=0;j<maxmembers;j++)
|
|
|
|
|
fprintf(cfile,"%d,",machregs[i]->rmembers[j]);
|
|
|
|
|
/* now compute and print set of registers
|
|
|
|
|
* that clashes with this register.
|
|
|
|
|
* A register clashes with al its children (and theirs)
|
|
|
|
|
* and with all their parents.
|
|
|
|
|
*/
|
|
|
|
|
for (j=0;j<((MAXREGS+15)>>4);j++)
|
|
|
|
|
rset[j]=0;
|
|
|
|
|
rset[i>>4] |= (1<<(i&017));
|
|
|
|
|
do {
|
|
|
|
|
ready=1;
|
|
|
|
|
for (j=1;j<nmachregs;j++)
|
|
|
|
|
if (rset[j>>4]&(1<<(j&017)))
|
|
|
|
|
for (k=0;k<maxmembers;k++)
|
|
|
|
|
if ((t=machregs[j]->rmembers[k])!=0) {
|
|
|
|
|
if ((rset[t>>4]&(1<<(t&017)))==0)
|
|
|
|
|
ready=0;
|
|
|
|
|
rset[t>>4] |= (1<<(t&017));
|
|
|
|
|
}
|
|
|
|
|
} while (!ready);
|
|
|
|
|
do {
|
|
|
|
|
ready=1;
|
|
|
|
|
for (j=1;j<nmachregs;j++)
|
|
|
|
|
for (k=0;k<maxmembers;k++)
|
|
|
|
|
if ((t=machregs[j]->rmembers[k])!=0)
|
|
|
|
|
if (rset[t>>4]&(1<<(t&017))) {
|
|
|
|
|
if (rset[j>>4]&(1<<(j&017))==0)
|
|
|
|
|
ready=0;
|
|
|
|
|
rset[j>>4] |= (1<<(j&017));
|
|
|
|
|
}
|
|
|
|
|
} while (!ready);
|
|
|
|
|
fprintf(cfile,"},{");
|
|
|
|
|
for (j=0;j<((nmachregs+15)>>4);j++)
|
|
|
|
|
fprintf(cfile,"%d,",rset[j]);
|
|
|
|
|
fprintf(cfile,"}");
|
|
|
|
|
}
|
|
|
|
|
if (machregs[i]->rregvar>=0)
|
|
|
|
|
fprintf(cfile,",1");
|
|
|
|
|
fprintf(cfile,"},\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
finishio() {
|
|
|
|
|
register i;
|
|
|
|
|
register node_p np;
|
|
|
|
|
int j;
|
|
|
|
|
int setsize;
|
|
|
|
|
register move_p mp;
|
|
|
|
|
|
|
|
|
|
fprintf(cfile,"};\n\n");
|
|
|
|
|
if (wsize>0)
|
1984-10-23 13:39:15 +00:00
|
|
|
fprintf(hfile,"#define TEM_WSIZE %d\n",wsize);
|
1984-05-18 19:51:06 +00:00
|
|
|
else
|
|
|
|
|
yyerror("Wordsize undefined");
|
|
|
|
|
if (psize>0)
|
1984-10-23 13:39:15 +00:00
|
|
|
fprintf(hfile,"#define TEM_PSIZE %d\n",psize);
|
1984-05-18 19:51:06 +00:00
|
|
|
else
|
|
|
|
|
yyerror("Pointersize undefined");
|
|
|
|
|
if (bsize>=0)
|
1984-10-23 13:39:15 +00:00
|
|
|
fprintf(hfile,"#define TEM_BSIZE %d\n",bsize);
|
1984-05-18 19:51:06 +00:00
|
|
|
else
|
1984-10-23 13:39:15 +00:00
|
|
|
yyerror("EM_BSIZE undefined");
|
1984-05-18 19:51:06 +00:00
|
|
|
if (fmt!=0)
|
|
|
|
|
fprintf(hfile,"#define WRD_FMT \"%s\"\n",fmt);
|
|
|
|
|
fprintf(hfile,"#define MAXALLREG %d\n",maxallreg);
|
|
|
|
|
setsize = (nmachregs+1 + nmachtokens + 15)>>4;
|
|
|
|
|
fprintf(hfile,"#define SETSIZE %d\n",setsize);
|
|
|
|
|
fprintf(hfile,"#define NPROPS %d\n",nprops);
|
|
|
|
|
fprintf(hfile,"#define NREGS %d\n",nmachregs);
|
|
|
|
|
fprintf(hfile,"#define REGSETSIZE %d\n",(nmachregs+15)>>4);
|
|
|
|
|
fprintf(hfile,"#define TOKENSIZE %d\n",maxtokensize);
|
|
|
|
|
fprintf(hfile,"#define MAXMEMBERS %d\n",maxmembers);
|
|
|
|
|
fprintf(hfile,"#define LONGESTPATTERN %d\n",maxempatlen);
|
|
|
|
|
fprintf(hfile,"#define MAXRULE %d\n",maxrule);
|
|
|
|
|
fprintf(hfile,"#define NMOVES %d\n",nmoves);
|
|
|
|
|
fprintf(hfile,"#define NC1 %d\n",nc1);
|
|
|
|
|
if (nc2) {
|
|
|
|
|
assert(maxsplit!=0);
|
|
|
|
|
fprintf(hfile,"#define NC2 %d\n",nc2);
|
|
|
|
|
fprintf(hfile,"#define MAXSPLIT %d\n",maxsplit);
|
|
|
|
|
}
|
|
|
|
|
fprintf(hfile,"#define NC3 %d\n",nc3);
|
|
|
|
|
outregs();
|
|
|
|
|
fprintf(cfile,"tkdef_t tokens[] = {\n");
|
|
|
|
|
for(i=0;i<nmachtokens;i++) {
|
|
|
|
|
fprintf(cfile,"{%d,{%d,%d},{",machtokens[i].t_size,
|
|
|
|
|
machtokens[i].t_cost.c_size,
|
|
|
|
|
machtokens[i].t_cost.c_time);
|
|
|
|
|
for(j=0;j<maxtokensize;j++)
|
|
|
|
|
fprintf(cfile,"%d,",machtokens[i].t_fields[j].t_type);
|
|
|
|
|
fprintf(cfile,"},%d},\n",machtokens[i].t_format);
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\nnode_t enodes[] = {\n");
|
|
|
|
|
for(np=nodes;np<lastnode;np++)
|
|
|
|
|
fprintf(cfile,"{%d,%d,%d},\n",np->ex_operator,np->ex_lnode,
|
|
|
|
|
np->ex_rnode);
|
|
|
|
|
fprintf(cfile,"};\n\nstring codestrings[] = {\n");
|
|
|
|
|
for(i=0;i<ncodestrings;i++) {
|
|
|
|
|
register char *p;
|
|
|
|
|
p=codestrings[i];
|
|
|
|
|
fprintf(cfile,"\t\"");
|
|
|
|
|
while (*p) {
|
|
|
|
|
fprintf(cfile, !isascii(*p) || iscntrl(*p) ? "\\%03o" : "%c", (*p)&BMASK);
|
|
|
|
|
p++;
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"\",\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\nset_t machsets[] = {\n");
|
|
|
|
|
for(i=0;i<nmachsets;i++) {
|
|
|
|
|
fprintf(cfile,"{%d,{",machsets[i].set_size);
|
|
|
|
|
for(j=0;j<setsize;j++)
|
|
|
|
|
fprintf(cfile,"0%o,",machsets[i].set_val[j]);
|
|
|
|
|
fprintf(cfile,"}},\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\ninst_t tokeninstances[] = {\n");
|
|
|
|
|
for(i=0;i<narinstance;i++) {
|
|
|
|
|
fprintf(cfile,"{ %d, {",arinstance[i].in_which);
|
|
|
|
|
for(j=0;j<=maxtokensize;j++)
|
|
|
|
|
fprintf(cfile,"%d,",arinstance[i].in_info[j]);
|
|
|
|
|
fprintf(cfile,"}},\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\nmove_t moves[] = {\n");
|
|
|
|
|
for (i=0;i<nmoves;i++) {
|
|
|
|
|
mp = &machmoves[i];
|
|
|
|
|
fprintf(cfile,"{%d,%d,%d,%d,%d,{%d,%d}},\n",
|
|
|
|
|
mp->m_set1, mp->m_expr1,
|
|
|
|
|
mp->m_set2, mp->m_expr2,
|
|
|
|
|
mp->m_cindex,
|
|
|
|
|
mp->m_cost.c_size,mp->m_cost.c_time);
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\nbyte pattern[] = {\n");
|
|
|
|
|
for (i=0;i<npatbytes;i++) {
|
|
|
|
|
fprintf(cfile,"%3d,",pattern[i]&BMASK);
|
|
|
|
|
if ((i%10)==9)
|
|
|
|
|
fprintf(cfile,"\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"\n};\n\nint pathash[256] = {\n");
|
|
|
|
|
for(i=0;i<256;i++) {
|
|
|
|
|
fprintf(cfile,"%6d,",pathash[i]);
|
|
|
|
|
if((i&07)==07)
|
|
|
|
|
fprintf(cfile,"\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\nc1_t c1coercs[] = {\n");
|
|
|
|
|
for (i=0;i<nc1;i++)
|
|
|
|
|
fprintf(cfile,"{%d,%d,%d,%d,{%d,%d}},\n",
|
|
|
|
|
c1coercs[i].c1_texpno,
|
|
|
|
|
c1coercs[i].c1_expr,
|
|
|
|
|
c1coercs[i].c1_prop,
|
|
|
|
|
c1coercs[i].c1_codep,
|
|
|
|
|
c1coercs[i].c1_cost.c_size,
|
|
|
|
|
c1coercs[i].c1_cost.c_time);
|
|
|
|
|
if (nc2)
|
|
|
|
|
fprintf(cfile,"};\n\nc2_t c2coercs[] = {\n");
|
|
|
|
|
for (i=0;i<nc2;i++) {
|
|
|
|
|
fprintf(cfile,"{%d,%d,{",
|
|
|
|
|
c2coercs[i].c2_texpno,
|
|
|
|
|
c2coercs[i].c2_nsplit);
|
|
|
|
|
for (j=0;j<maxsplit;j++)
|
|
|
|
|
fprintf(cfile,"%d,",c2coercs[i].c2_repl[j]);
|
|
|
|
|
fprintf(cfile,"},%d},\n",c2coercs[i].c2_codep);
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n\nc3_t c3coercs[] = {\n");
|
|
|
|
|
for (i=0;i<nc3;i++)
|
|
|
|
|
fprintf(cfile,"{%d,%d,%d,%d},\n",
|
|
|
|
|
c3coercs[i].c3_texpno,
|
|
|
|
|
c3coercs[i].c3_prop,
|
|
|
|
|
c3coercs[i].c3_repl,
|
|
|
|
|
c3coercs[i].c3_codep);
|
|
|
|
|
fprintf(cfile,"};\n\n");
|
|
|
|
|
for (i=0;i<nprops;i++) {
|
|
|
|
|
fprintf(cfile,"struct reginfo *rlist%02d[] = {\n",i);
|
|
|
|
|
for (j=2;j<=nmachregs;j++) {
|
|
|
|
|
if (machregs[j-1]->rregvar<0 &&
|
|
|
|
|
(machprops[i].propset.set_val[j>>4]&(1<<(j&017))))
|
|
|
|
|
fprintf(cfile,"\t&machregs[%d],\n",j-1);
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"\t0\n};\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"struct reginfo **reglist[] = {\n");
|
|
|
|
|
for (i=0;i<nprops;i++) {
|
|
|
|
|
fprintf(cfile,"\trlist%02d,\n",i);
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"};\n");
|
|
|
|
|
fprintf(cfile,"unsigned cc1 = %u;\n",cc1);
|
|
|
|
|
fprintf(cfile,"unsigned cc2 = %u;\n",cc2);
|
|
|
|
|
fprintf(cfile,"unsigned cc3 = %u;\n",cc3);
|
|
|
|
|
fprintf(cfile,"unsigned cc4 = %u;\n",cc4);
|
|
|
|
|
if (rvused)
|
|
|
|
|
outregvar();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
outregvar() {
|
|
|
|
|
register i,j;
|
|
|
|
|
|
|
|
|
|
fprintf(hfile,"#define REGVARS\n");
|
|
|
|
|
fprintf(cfile,"#include \"regvar.h\"\n");
|
|
|
|
|
fprintf(cfile,"int nregvar[4] = { ");
|
|
|
|
|
for (i=0;i<4;i++) fprintf(cfile,"%d, ",nregvar[i]);
|
|
|
|
|
fprintf(cfile,"};\n");
|
|
|
|
|
for (i=0;i<4;i++)
|
|
|
|
|
if (nregvar[i]>0)
|
|
|
|
|
fprintf(cfile,"struct regassigned ratar%d[%d];\n",
|
|
|
|
|
i,nregvar[i]);
|
|
|
|
|
for (i=0;i<4;i++) if (nregvar[i]>0) {
|
|
|
|
|
fprintf(cfile,"int rvtar%d[] = {",i);
|
|
|
|
|
for (j=0;j<nregvar[i];j++)
|
|
|
|
|
fprintf(cfile,"%d,",rvnumbers[i][j]);
|
|
|
|
|
fprintf(cfile,"};\n");
|
|
|
|
|
}
|
|
|
|
|
fprintf(cfile,"\nint *rvnumbers[] = {\n");
|
|
|
|
|
for (i=0;i<4;i++)
|
|
|
|
|
if (nregvar[i]>0)
|
|
|
|
|
fprintf(cfile,"\trvtar%d,\n",i);
|
|
|
|
|
else
|
|
|
|
|
fprintf(cfile,"\t0,\n");
|
|
|
|
|
fprintf(cfile,"};\n\nstruct regassigned *regassigned[] = {\n");
|
|
|
|
|
for (i=0;i<4;i++)
|
|
|
|
|
if (nregvar[i]>0)
|
|
|
|
|
fprintf(cfile,"\tratar%d,\n",i);
|
|
|
|
|
else
|
|
|
|
|
fprintf(cfile,"\t0,\n");
|
|
|
|
|
fprintf(cfile,"};\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
verbose() {
|
|
|
|
|
|
|
|
|
|
fprintf(stderr,"Codebytes %d\n",codebytes);
|
|
|
|
|
fprintf(stderr,"Registers %d(%d)\n",nmachregs,MAXREGS);
|
|
|
|
|
fprintf(stderr,"Properties %d(%d)\n",nprops,MAXPROPS);
|
|
|
|
|
fprintf(stderr,"Tokens %d(%d)\n",nmachtokens,MAXTOKENS);
|
|
|
|
|
fprintf(stderr,"Sets %d(%d)\n",nmachsets,MAXSETS);
|
|
|
|
|
fprintf(stderr,"Tokeninstances %d(%d)\n",narinstance,MAXINSTANCE);
|
|
|
|
|
fprintf(stderr,"Strings %d(%d)\n",ncodestrings,MAXSTRINGS);
|
|
|
|
|
fprintf(stderr,"Enodes %d(%d)\n",lastnode-nodes,MAXNODES);
|
|
|
|
|
fprintf(stderr,"Patbytes %d(%d)\n",npatbytes,MAXPATTERN);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inbetween() {
|
|
|
|
|
register ident_p ip;
|
|
|
|
|
register i,j;
|
|
|
|
|
register move_p mp;
|
|
|
|
|
|
|
|
|
|
lookident=1; /* for lexical analysis */
|
|
|
|
|
|
|
|
|
|
chktabsiz(nmachsets+1,MAXSETS,"Expressiontable");
|
|
|
|
|
for (i=0;i<SETSIZE;i++)
|
|
|
|
|
machsets[nmachsets].set_val[i] = 0xFFFF;
|
|
|
|
|
machsets[nmachsets].set_val[0] &= ~1;
|
|
|
|
|
machsets[nmachsets].set_size = 0;
|
|
|
|
|
ip=ilookup("SCRATCH",ENTER);
|
|
|
|
|
ip->i_type=IEXP;
|
|
|
|
|
ip->i_i.i_expno = nmachsets++;
|
|
|
|
|
|
|
|
|
|
for (i=0;i<SETSIZE;i++)
|
|
|
|
|
machsets[nmachsets].set_val[i] = 0xFFFF;
|
|
|
|
|
machsets[nmachsets].set_size = 0;
|
|
|
|
|
ip=ilookup("ALL",ENTER);
|
|
|
|
|
ip->i_type=IEXP;
|
|
|
|
|
allexpno = ip->i_i.i_expno = nmachsets++;
|
|
|
|
|
mp = &machmoves[nmoves++];
|
|
|
|
|
mp->m_set1 = cocosetno;
|
|
|
|
|
mp->m_expr1 = 0;
|
|
|
|
|
mp->m_set2 = nmachsets-1;
|
|
|
|
|
mp->m_expr2 = 0;
|
|
|
|
|
mp->m_cindex = 0;
|
|
|
|
|
mp->m_cost.c_size = 0;
|
|
|
|
|
mp->m_cost.c_time = 0;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Create sets of registers per property
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
for (i=0;i<nprops;i++) {
|
|
|
|
|
short *sp = machprops[i].propset.set_val;
|
|
|
|
|
|
|
|
|
|
sp[0] |= 1;
|
|
|
|
|
for (j=2;j<=nmachregs;j++)
|
|
|
|
|
if (machregs[j-1]->rprop[i>>4]&(1<<(i&017)))
|
|
|
|
|
sp[j>>4] |= (1<<(j&017));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
formconversion(p,tp) register char *p; register token_p tp; {
|
|
|
|
|
char buf[256];
|
|
|
|
|
register char *q=buf;
|
|
|
|
|
char field[256];
|
|
|
|
|
register char *f;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
if (p==0)
|
|
|
|
|
return(0);
|
|
|
|
|
while (*p) switch(*p) {
|
|
|
|
|
default: *q++ = *p++; continue;
|
|
|
|
|
case '%':
|
|
|
|
|
p++;
|
|
|
|
|
if(*p == '%') {
|
|
|
|
|
*q++ = *p++;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (*p == '[')
|
|
|
|
|
p++;
|
|
|
|
|
else
|
|
|
|
|
yyerror("Bad character after % in format");
|
|
|
|
|
f=field;
|
|
|
|
|
while (*p != 0 && *p != ']')
|
|
|
|
|
*f++ = *p++;
|
|
|
|
|
*f++ = 0;
|
|
|
|
|
if (*p == ']')
|
|
|
|
|
p++;
|
|
|
|
|
else
|
|
|
|
|
yyerror("Unterminated %[] construct in format");
|
|
|
|
|
for (i=0;i<TOKENSIZE-1;i++)
|
|
|
|
|
if (strcmp(field,tp->t_fields[i].t_sname)==0)
|
|
|
|
|
break;
|
|
|
|
|
if (i==TOKENSIZE-1)
|
|
|
|
|
yyerror("Unknown field in %[] construct in format");
|
|
|
|
|
*q++ = i+1;
|
|
|
|
|
}
|
|
|
|
|
*q++ = 0;
|
|
|
|
|
return(strlookup(buf));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
setfields(tp,format) register token_p tp; string format; {
|
|
|
|
|
register i;
|
|
|
|
|
list2 ll;
|
|
|
|
|
register list1 l;
|
|
|
|
|
int type;
|
|
|
|
|
|
|
|
|
|
for(i=0;i<TOKENSIZE-1;i++)
|
|
|
|
|
tp->t_fields[i].t_type = 0;
|
|
|
|
|
i=0;
|
|
|
|
|
for(ll=tp->t_struct;ll!=0;ll=ll->l2next) {
|
|
|
|
|
l=ll->l2list;
|
|
|
|
|
if(strcmp(l->l1name,"REGISTER")==0)
|
|
|
|
|
type = TYPREG;
|
|
|
|
|
else if (strcmp(l->l1name,"INT")==0)
|
|
|
|
|
type = TYPINT;
|
|
|
|
|
else type = TYPSTR;
|
|
|
|
|
for(l=l->l1next;l!=0;l=l->l1next) {
|
|
|
|
|
tp->t_fields[i].t_type = type;
|
|
|
|
|
tp->t_fields[i].t_sname = l->l1name;
|
|
|
|
|
i++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (format != 0)
|
|
|
|
|
tp->t_format = formconversion(format,tp);
|
|
|
|
|
else
|
|
|
|
|
tp->t_format = -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
chkregexp(number) {
|
|
|
|
|
register i;
|
|
|
|
|
|
|
|
|
|
for(i=nmachregs+1;i<nmachregs+1+nmachtokens;i++)
|
|
|
|
|
if(machsets[number].set_val[i>>4]&(01<<(i&017)))
|
|
|
|
|
yyerror("No tokens allowed in this set");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
findstructel(number,name,t) string name; int *t; {
|
|
|
|
|
register i;
|
|
|
|
|
register token_p tp;
|
|
|
|
|
register list2 structdecl;
|
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
|
|
for(i=1;i<=nmachregs;i++)
|
|
|
|
|
if (machsets[number].set_val[i>>4]&(01<<(i&017)))
|
|
|
|
|
yyerror("No registers allowed in this set");
|
|
|
|
|
structdecl = 0;
|
|
|
|
|
for (i=nmachregs+1;i<nmachregs+1+nmachtokens;i++) {
|
|
|
|
|
if (machsets[number].set_val[i>>4]&(01<<(i&017))) {
|
|
|
|
|
if (structdecl == 0) {
|
|
|
|
|
structdecl = machtokens[i-(nmachregs+1)].t_struct;
|
|
|
|
|
tp = &machtokens[i-(nmachregs+1)];
|
|
|
|
|
} else if(structdecl != machtokens[i-(nmachregs+1)].t_struct)
|
|
|
|
|
yyerror("Multiple structs in this set");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (structdecl == 0) {
|
|
|
|
|
yyerror("No structs in this set");
|
|
|
|
|
return(0);
|
|
|
|
|
}
|
|
|
|
|
for(offset=0;offset<TOKENSIZE-1;offset++)
|
|
|
|
|
if(tp->t_fields[offset].t_type != 0 &&
|
|
|
|
|
strcmp(tp->t_fields[offset].t_sname,name)==0) {
|
|
|
|
|
*t = tp->t_fields[offset].t_type;
|
|
|
|
|
return(offset+1);
|
|
|
|
|
}
|
|
|
|
|
yyerror("No such field in this struct");
|
|
|
|
|
return(0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
extern char em_flag[];
|
|
|
|
|
|
|
|
|
|
argtyp(mn) {
|
|
|
|
|
|
|
|
|
|
switch(em_flag[mn-sp_fmnem]&EM_PAR) {
|
|
|
|
|
case PAR_W:
|
|
|
|
|
case PAR_S:
|
|
|
|
|
case PAR_Z:
|
|
|
|
|
case PAR_O:
|
|
|
|
|
case PAR_N:
|
|
|
|
|
case PAR_L:
|
|
|
|
|
case PAR_F:
|
|
|
|
|
case PAR_R:
|
|
|
|
|
case PAR_C:
|
|
|
|
|
return(TYPINT);
|
|
|
|
|
default:
|
|
|
|
|
return(TYPSTR);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
commontype(e1,e2) expr_t e1,e2; {
|
|
|
|
|
|
|
|
|
|
if(e1.expr_typ != e2.expr_typ)
|
|
|
|
|
yyerror("Type incompatibility");
|
|
|
|
|
return(e1.expr_typ);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
extern char em_mnem[][4];
|
|
|
|
|
|
|
|
|
|
#define HASHSIZE (2*(sp_lmnem-sp_fmnem))
|
|
|
|
|
|
|
|
|
|
struct hashmnem {
|
|
|
|
|
char h_name[3];
|
|
|
|
|
byte h_value;
|
|
|
|
|
} hashmnem[HASHSIZE];
|
|
|
|
|
|
|
|
|
|
inithash() {
|
|
|
|
|
register i;
|
|
|
|
|
|
|
|
|
|
for(i=0;i<=sp_lmnem-sp_fmnem;i++)
|
|
|
|
|
enter(em_mnem[i],i+sp_fmnem);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
enter(name,value) char *name; {
|
|
|
|
|
register unsigned h;
|
|
|
|
|
|
|
|
|
|
h=hash(name)%HASHSIZE;
|
|
|
|
|
while (hashmnem[h].h_name[0] != 0)
|
|
|
|
|
h = (h+1)%HASHSIZE;
|
|
|
|
|
strncpy(hashmnem[h].h_name,name,3);
|
|
|
|
|
hashmnem[h].h_value = value;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int mlookup(name) char *name; {
|
|
|
|
|
register unsigned h;
|
|
|
|
|
|
|
|
|
|
h = hash(name)%HASHSIZE;
|
|
|
|
|
while (strncmp(hashmnem[h].h_name,name,3) != 0 &&
|
|
|
|
|
hashmnem[h].h_name[0] != 0)
|
|
|
|
|
h = (h+1)%HASHSIZE;
|
|
|
|
|
return(hashmnem[h].h_value&BMASK); /* 0 if not found */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
hashpatterns() {
|
|
|
|
|
short index;
|
|
|
|
|
register byte *bp,*tp;
|
|
|
|
|
register short i;
|
|
|
|
|
unsigned short hashvalue;
|
|
|
|
|
int patlen;
|
|
|
|
|
|
|
|
|
|
index = prevind;
|
|
|
|
|
while (index != 0) {
|
|
|
|
|
bp = &pattern[index];
|
|
|
|
|
tp = &bp[PO_MATCH];
|
|
|
|
|
i = *tp++&BMASK;
|
|
|
|
|
if (i==BMASK) {
|
|
|
|
|
i = *tp++&BMASK;
|
|
|
|
|
i |= (*tp++&BMASK)<<BSHIFT;
|
|
|
|
|
}
|
|
|
|
|
patlen = i;
|
|
|
|
|
hashvalue = 0;
|
|
|
|
|
switch(patlen) {
|
|
|
|
|
default: /* 3 or more */
|
|
|
|
|
hashvalue = (hashvalue<<4)^(*tp++&BMASK);
|
|
|
|
|
case 2:
|
|
|
|
|
hashvalue = (hashvalue<<4)^(*tp++&BMASK);
|
|
|
|
|
case 1:
|
|
|
|
|
hashvalue = (hashvalue<<4)^(*tp++&BMASK);
|
|
|
|
|
}
|
|
|
|
|
assert(hashvalue!= ILLHASH);
|
|
|
|
|
i=index;
|
|
|
|
|
index = (bp[PO_NEXT]&BMASK)|(bp[PO_NEXT+1]<<BSHIFT);
|
|
|
|
|
bp[PO_HASH] = hashvalue>>BSHIFT;
|
|
|
|
|
hashvalue &= BMASK;
|
|
|
|
|
bp[PO_NEXT] = pathash[hashvalue]&BMASK;
|
|
|
|
|
bp[PO_NEXT+1] = pathash[hashvalue]>>BSHIFT;
|
|
|
|
|
pathash[hashvalue] = i;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
debug() {
|
|
|
|
|
register i,j;
|
|
|
|
|
|
|
|
|
|
for(i=0;i<ITABSIZE;i++) {
|
|
|
|
|
register ident_p ip;
|
|
|
|
|
for(ip=identtab[i];ip!=0;ip=ip->i_next)
|
|
|
|
|
printf("%-14s %1d %3d\n",ip->i_name,
|
|
|
|
|
ip->i_type,ip->i_i.i_regno);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for(i=2;i<nmachregs;i++) {
|
|
|
|
|
register reginfo rp;
|
|
|
|
|
|
|
|
|
|
rp=machregs[i];
|
|
|
|
|
printf("%s = (\"%s\", %d",rp->rname,rp->rrepr,rp->rsize);
|
|
|
|
|
for(j=0;j<MAXMEMBERS;j++)
|
|
|
|
|
if(rp->rmembers[j] != 0)
|
|
|
|
|
printf(", %s",machregs[rp->rmembers[j]]->rname);
|
|
|
|
|
printf(")");
|
|
|
|
|
for(j=0;j<nprops;j++)
|
|
|
|
|
if(rp->rprop[j>>4]&(1<<(j&017)))
|
|
|
|
|
printf(", %s",machprops[j].propname->i_name);
|
|
|
|
|
printf(".\n");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
out(n) {
|
|
|
|
|
|
|
|
|
|
assert(n>=0);
|
|
|
|
|
if (n<128)
|
|
|
|
|
outbyte(n);
|
|
|
|
|
else {
|
|
|
|
|
outbyte(n/256+128);
|
|
|
|
|
outbyte(n%256);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
outbyte(n) {
|
|
|
|
|
|
|
|
|
|
fprintf(cfile,"%d, ",n&BMASK);
|
|
|
|
|
codebytes++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pat(n) {
|
|
|
|
|
|
|
|
|
|
assert(n>=0);
|
|
|
|
|
if (n<128)
|
|
|
|
|
patbyte(n);
|
|
|
|
|
else {
|
|
|
|
|
patbyte(n/256+128);
|
|
|
|
|
patbyte(n%256);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
patshort(n) {
|
|
|
|
|
|
|
|
|
|
patbyte(n&BMASK);
|
|
|
|
|
patbyte(n>>BSHIFT);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
patbyte(n) {
|
|
|
|
|
|
|
|
|
|
chktabsiz(npatbytes,MAXPATTERN,"Pattern table");
|
|
|
|
|
pattern[npatbytes++] = n;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
max(a,b) {
|
|
|
|
|
|
|
|
|
|
if (a>b)
|
|
|
|
|
return(a);
|
|
|
|
|
return(b);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#include "bootlex.c"
|
