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[/] [eco32/] [trunk/] [lcc/] [src/] [config.h.ORIG] - Blame information for rev 130

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Line No. Rev Author Line
1 4 hellwig
/* $Id: config.h,v 1.1 2002/08/28 23:12:42 drh Exp $ */
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typedef struct {
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        unsigned char max_unaligned_load;
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        Symbol (*rmap)(int);
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        void (*blkfetch)(int size, int off, int reg, int tmp);
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        void (*blkstore)(int size, int off, int reg, int tmp);
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        void (*blkloop)(int dreg, int doff,
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                         int sreg, int soff,
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                         int size, int tmps[]);
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        void (*_label)(Node);
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        int (*_rule)(void*, int);
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        short **_nts;
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        void (*_kids)(Node, int, Node*);
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        char **_string;
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        char **_templates;
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        char *_isinstruction;
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        char **_ntname;
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        void (*emit2)(Node);
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        void (*doarg)(Node);
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        void (*target)(Node);
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        void (*clobber)(Node);
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} Xinterface;
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extern int     askregvar(Symbol, Symbol);
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extern void    blkcopy(int, int, int, int, int, int[]);
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extern unsigned emitasm(Node, int);
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extern int     getregnum(Node);
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extern int     mayrecalc(Node);
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extern int     mkactual(int, int);
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extern void    mkauto(Symbol);
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extern Symbol  mkreg(char *, int, int, int);
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extern Symbol  mkwildcard(Symbol *);
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extern int     move(Node);
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extern int     notarget(Node);
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extern void    parseflags(int, char **);
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extern int     range(Node, int, int);
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extern unsigned regloc(Symbol);  /* omit */
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extern void    rtarget(Node, int, Symbol);
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extern void    setreg(Node, Symbol);
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extern void    spill(unsigned, int, Node);
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extern int     widens(Node);
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extern int      argoffset, maxargoffset;
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extern int      bflag, dflag;
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extern int      dalign, salign;
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extern int      framesize;
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extern unsigned freemask[], usedmask[];
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extern int      offset, maxoffset;
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extern int      swap;
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extern unsigned tmask[], vmask[];
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typedef struct {
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        unsigned listed:1;
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        unsigned registered:1;
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        unsigned emitted:1;
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        unsigned copy:1;
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        unsigned equatable:1;
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        unsigned spills:1;
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        unsigned mayrecalc:1;
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        void *state;
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        short inst;
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        Node kids[3];
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        Node prev, next;
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        Node prevuse;
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        short argno;
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} Xnode;
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typedef struct {
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        Symbol vbl;
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        short set;
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        short number;
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        unsigned mask;
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} *Regnode;
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enum { IREG=0, FREG=1 };
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typedef struct {
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        char *name;
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        unsigned int eaddr;  /* omit */
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        int offset;
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        Node lastuse;
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        int usecount;
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        Regnode regnode;
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        Symbol *wildcard;
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} Xsymbol;
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enum { RX=2 };
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typedef struct {
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        int offset;
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        unsigned freemask[2];
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} Env;
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#define LBURG_MAX SHRT_MAX
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enum { VREG=(44<<4) };
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/* Exported for the front end */
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extern void             blockbeg(Env *);
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extern void             blockend(Env *);
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extern void             emit(Node);
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extern Node             gen(Node);
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extern unsigned         emitbin(Node, int);
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#ifdef NDEBUG
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#define debug(x) (void)0
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#else
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#define debug(x) (void)(dflag&&((x),0))
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#endif

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