ref: e51c4bc6e493a9cd0d9e9d7f1d24c57ae77bab65
dir: /sys/src/cmd/2c/gc.h/
#include "../cc/cc.h"
#include "../2c/2.out.h"
/*
* 2c/68020
* Motorola 68020
*/
#define SZ_CHAR 1
#define SZ_SHORT 2
#define SZ_INT 4
#define SZ_LONG 4
#define SZ_IND 4
#define SZ_FLOAT 4
#define SZ_VLONG 8
#define SZ_DOUBLE 8
#define ALLOP OEND
#define NRGN 300
#define FNX 100
#define INDEXED 9
#define PRE 1
#define POST 2
#define TEST 4
typedef struct Adr Adr;
typedef struct Prog Prog;
typedef struct Txt Txt;
typedef struct Cases Case;
typedef struct Reg Reg;
typedef struct Rgn Rgn;
typedef struct Var Var;
typedef struct Multab Multab;
typedef struct C1 C1;
typedef struct Index Index;
struct Index
{
int o0;
int o1;
};
EXTERN struct
{
Node* regtree;
Node* basetree;
short scale;
} idx;
struct Adr
{
long displace;
long offset;
char sval[NSNAME];
double dval;
Sym* sym;
short type;
short index;
short scale;
short field;
short etype;
};
#define A ((Adr*)0)
struct Prog
{
Adr from;
Adr to;
Prog* link;
long lineno;
short as;
};
#define P ((Prog*)0)
struct Txt
{
short movas;
short postext;
char preclr;
};
struct Cases
{
vlong val;
long label;
uchar def;
Case* link;
};
#define C ((Case*)0)
struct Var
{
long offset;
Sym* sym;
char type;
char etype;
};
struct Reg
{
long pc;
long rpo; /* reverse post ordering */
Bits set;
Bits use1;
Bits use2;
Bits refbehind;
Bits refahead;
Bits calbehind;
Bits calahead;
Bits regdiff;
Bits act;
ulong regu;
long loop; /* could be shorter */
Reg* log5;
long active;
Reg* p1;
Reg* p2;
Reg* p2link;
Reg* s1;
Reg* s2;
Reg* link;
Prog* prog;
};
#define R ((Reg*)0)
struct Rgn
{
Reg* enter;
short costr;
short costa;
short varno;
short regno;
};
struct Multab
{
short val;
char code[6];
};
struct C1
{
vlong val;
long label;
};
#define BLOAD(r) band(bnot(r->refbehind), r->refahead)
#define BSTORE(r) band(bnot(r->calbehind), r->calahead)
#define LOAD(r) (~r->refbehind.b[z] & r->refahead.b[z])
#define STORE(r) (~r->calbehind.b[z] & r->calahead.b[z])
#define bset(a,n) ((a).b[(n)/32]&(1L<<(n)%32))
#define CLOAD 8
#define CREF 5
#define CTEST 2
#define CXREF 3
#define CINF 1000
#define LOOP 3
EXTERN Bits externs;
EXTERN Bits params;
EXTERN Bits addrs;
EXTERN ulong regbits;
#define B_INDIR (1<<0)
#define B_ADDR (1<<1)
EXTERN int mvbits;
EXTERN int changer;
EXTERN int changea;
EXTERN Txt txt[NTYPE][NTYPE];
EXTERN short opxt[ALLOP][NTYPE];
EXTERN Txt* txtp;
EXTERN int multabsize;
EXTERN Reg* firstr;
EXTERN Reg* lastr;
EXTERN Reg zreg;
EXTERN Reg* freer;
EXTERN long argoff;
EXTERN long breakpc;
EXTERN long nbreak;
EXTERN Case* cases;
EXTERN long continpc;
EXTERN Prog* firstp;
EXTERN Reg* firstr;
EXTERN int inargs;
EXTERN Prog* lastp;
EXTERN int retok;
EXTERN long mnstring;
EXTERN Node* nodrat;
EXTERN Node* nodret;
EXTERN long nrathole;
EXTERN long nstatic;
EXTERN int nregion;
EXTERN long nstring;
EXTERN int nvar;
EXTERN Prog* p;
EXTERN long pc;
EXTERN Rgn region[NRGN];
EXTERN Rgn* rgp;
EXTERN char string[NSNAME];
EXTERN Sym* symrathole;
EXTERN Sym* symstatic;
EXTERN Var var[NVAR];
EXTERN long* idom;
EXTERN Reg** rpo2r;
EXTERN long maxnr;
EXTERN Prog zprog;
EXTERN int suppress;
EXTERN uchar regused[NREG];
EXTERN uchar aregused[NREG];
EXTERN uchar fregused[NREG];
EXTERN uchar regbase[I_MASK];
EXTERN long exregoffset;
EXTERN long exaregoffset;
EXTERN long exfregoffset;
extern char* anames[];
extern Multab multab[];
void cgen(Node*, int, Node*);
void lcgen(Node*, int, Node*);
void bcgen(Node*, int);
void boolgen(Node*, int, int, Node*, Node*);
void sugen(Node*, int, Node*, long);
void listinit(void);
int Bconv(Fmt*);
int Pconv(Fmt*);
int Aconv(Fmt*);
int Xconv(Fmt*);
int Dconv(Fmt*);
int Rconv(Fmt*);
int Sconv(Fmt*);
void peep(void);
void excise(Reg*);
Reg* uniqp(Reg*);
Reg* uniqs(Reg*);
int findtst(Reg*, Prog*, int);
int setcc(Prog*, Prog*);
int compat(Adr*, Adr*);
int aregind(Adr*);
int asize(int);
int usedin(int, Adr*);
Reg* findccr(Reg*);
int setccr(Prog*);
Reg* findop(Reg*, int, int, int);
int regtyp(int);
int anyvar(Adr*);
int subprop(Reg*);
int copyprop(Reg*);
int copy1(Adr*, Adr*, Reg*, int);
int copyu(Prog*, Adr*, Adr*);
int copyas(Adr*, Adr*);
int tasas(Adr*, Adr*);
int copyau(Adr*, Adr*);
int copysub(Adr*, Adr*, Adr*, Prog*, int);
ulong RtoB(int);
ulong AtoB(int);
ulong FtoB(int);
int BtoR(ulong);
int BtoA(ulong);
int BtoF(ulong);
Reg* rega(void);
int rcmp(const void*, const void*);
void regopt(Prog*);
void addmove(Reg*, int, int, int);
Bits mkvar(Adr*, int);
void prop(Reg*, Bits, Bits);
void loopit(Reg*, long);
void synch(Reg*, Bits);
ulong allreg(ulong, Rgn*);
void paint1(Reg*, int);
ulong paint2(Reg*, int);
void paint3(Reg*, int, ulong, int);
void addreg(Adr*, int);
void codgen(Node*, Node*);
void gen(Node*);
void usedset(Node*, int);
void noretval(int);
Node* nodconst(long);
int swcmp(const void*, const void*);
void doswit(int, Node*);
void swit1(C1*, int, long, int, Node*);
void casf(void);
int bitload(Node*, int, int, int, Node*);
void bitstore(Node*, int, int, int, int, Node*);
long outstring(char*, long);
int doinc(Node*, int);
void setsp(void);
void adjsp(long);
int simplv(Node*);
int eval(Node*, int);
void outcode(void);
void ieeedtod(Ieee*, double);
int nodalloc(Type*, int, Node*);
int mulcon(Node*, Node*, int, Node*);
int shlcon(Node*, Node*, int, Node*);
int mulcon1(Node*, long, int, Node*);
void nullwarn(Node*, Node*);
void tindex(Type*, Type*);
void ginit(void);
void gclean(void);
void oinit(int, int, int, int, int, int);
Prog* prg(void);
void nextpc(void);
void gargs(Node*);
void naddr(Node*, Adr*, int);
int regalloc(Type*, int);
int regaddr(int);
int regpair(int);
int regret(Type*);
void regfree(int);
void gmove(Type*, Type*, int, Node*, int, Node*);
void gopcode(int, Type*, int, Node*, int, Node*);
void asopt(void);
int relindex(int);
void gbranch(int);
void fpbranch(void);
void patch(Prog*, long);
void gpseudo(int, Sym*, int, long);
void gpseudotree(int, Sym*, Node*);
void indx(Node*);
void bcomplex(Node*);
/*
* com64
*/
int com64(Node*);
void com64init(void);
void bool64(Node*);
#pragma varargck type "A" int
#pragma varargck type "B" Bits
#pragma varargck type "D" Adr*
#pragma varargck type "N" Adr*
#pragma varargck type "P" Prog*
#pragma varargck type "S" char*
#pragma varargck type "R" int
#pragma varargck type "X" Index