46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Id$ */
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#ifndef UTIL_NCGG_EXPR_H
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#define UTIL_NCGG_EXPR_H
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typedef struct expr {
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int ex_typ;
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short ex_regset[SZOFSET(MAXREGS)];
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int ex_index;
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} expr_t,*expr_p;
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#define TYPINT 1
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#define TYPBOOL 2
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#define TYPADDR 3
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#define TYPREG 4
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/* When the type is register the regset contains the set of
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possible registers for checking purposes only.
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*/
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/* util/ncgg/expr.c */
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int i_expr(expr_t e);
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int b_expr(expr_t e);
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expr_t make_expr(int type, int operator, int op1, int op2);
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expr_t regno_expr(int regno);
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expr_t ident_expr(char *name);
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expr_t subreg_expr(int tokarg, int subreg);
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void subregset(short *sp, int subreg, short *regset);
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int membset(int setno, char *name, short *regset, char *appearance, int restyp, int *typp);
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expr_t memb_expr(int setno, char *name, char *appearance, int tokarg);
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expr_t tokm_expr(int tokarg, char *name);
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expr_t perc_ident_expr(char *name);
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expr_t all_expr(int all_no, int subreg);
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int eq2expr(expr_t e1, expr_t e2);
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int ne2expr(expr_t e1, expr_t e2);
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expr_t sum_expr(expr_t e1, expr_t e2);
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expr_t iextoaddr(expr_t e);
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expr_t regvar_expr(expr_t e, int regtyp);
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void initnodes(void);
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int ex_lookup(int operator, int lnode, int rnode);
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#endif /* UTIL_NCGG_EXPR_H */ |