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// constfold.h
//

#if !defined(__CONSTFOLD_H)
#define __CONSTFOLD_H 1

expr *FoldConstants(expr *fexpr);
expr *ConstantFoldNode(expr *fexpr, void *, int);

// struct operations defines the set of possible basic operations we might
// want to do on some data type
typedef struct operations_rec {
    opcode      const_opcode;   // opcode to use for constants of this type
    void (*op_neg)(scalar_constant *, const scalar_constant *);
    void (*op_not)(scalar_constant *, const scalar_constant *);
    void (*op_bnot)(scalar_constant *, const scalar_constant *);
    void (*op_add)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_sub)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_mul)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_div)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_mod)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_and)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_or)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_xor)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_band)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_bor)(scalar_constant *, const scalar_constant *, const scalar_constant *);
    void (*op_shr)(scalar_constant *, const scalar_constant *, int);
    void (*op_shl)(scalar_constant *, const scalar_constant *, int);
    int (*op_lt)(const scalar_constant *, const scalar_constant *);
    int (*op_gt)(const scalar_constant *, const scalar_constant *);
    int (*op_le)(const scalar_constant *, const scalar_constant *);
    int (*op_ge)(const scalar_constant *, const scalar_constant *);
    int (*op_eq)(const scalar_constant *, const scalar_constant *);
    int (*op_ne)(const scalar_constant *, const scalar_constant *);
    void (*cvtTo[TYPE_BASE_LAST_USER+1])(scalar_constant *, const scalar_constant *);
    void (*cvtFrom[TYPE_BASE_LAST_USER+1])(scalar_constant *, const scalar_constant *);
} operations;

extern operations *runtime_ops[];

void HAL_SetupHalfFixedTypes(int, int);

#endif // !defined(__CONSTFOLD_H)