1 /* Declarations for Target Values.
2 Copyright (C) 1995, 1996 Christian von Roques */
11 #ifndef _TARVAL_TYPEDEF_
12 #define _TARVAL_TYPEDEF_
13 typedef struct tarval tarval;
17 #undef __need_size_t /* erroneously defined by 1.3.2's gmp.h */
19 /* how to represent target types on host */
20 typedef float tarval_f;
21 typedef double tarval_d;
22 typedef long tarval_chil;
23 typedef unsigned long tarval_CHIL;
24 typedef MP_INT tarval_Z;
26 /* if ent then xname is missing or mangled from ent,
27 else if xname then xname is a linker symbol that is not mangled
29 else this is tarval_p_void.
30 if this tarval describes a symbolic address of another tarval, tv points
37 unsigned char *p; /* may contain embedded 0, not 0-terminated */
40 typedef tarval_s tarval_B;
44 tarval_f f; /* float */
45 tarval_d d; /* double */
46 tarval_chil chil; /* signed integral */
47 tarval_CHIL CHIL; /* unsigned integral */
48 tarval_Z Z; /* universal int */
49 tarval_p p; /* pointer */
51 tarval_B B; /* universal bits */
52 tarval_s s; /* string */
57 extern tarval *tarval_bad;
58 extern tarval *tarval_b_false;
59 extern tarval *tarval_b_true;
60 extern tarval *tarval_d_NaN;
61 extern tarval *tarval_d_Inf;
62 extern tarval *tarval_p_void;
63 extern tarval *tarval_mode_null[];
64 extern tarval *tarval_mode_min[];
65 extern tarval *tarval_mode_max[];
67 void tarval_init_1 (void);
68 void tarval_init_2 (void);
70 /* Hash function on tarvals */
71 unsigned tarval_hash (tarval *);
73 /* ************************ Constructors for tarvals ************************ */
74 tarval *tarval_Z_from_str (const char *, size_t, int base);
75 tarval *tarval_B_from_str (const char *, size_t);
76 tarval *tarval_d_from_str (const char *, size_t);
77 tarval *tarval_s_from_str (const char *, size_t);
78 tarval *tarval_S_from_str (const char *, size_t);
79 tarval *tarval_from_long (ir_mode *, long);
80 tarval *tarval_p_from_str (const char *);
81 tarval *tarval_p_from_entity (entity *);
83 tarval *tarval_convert_to (tarval *, ir_mode *);
85 /* Building an irm_C, irm_s, irm_S or irm_B target value step by step. */
86 void tarval_start (void);
87 void tarval_append (const char *, size_t);
88 void tarval_append1 (char);
89 tarval *tarval_finish_as (ir_mode *);
90 tarval *tarval_cancel (void); /* returns tarval_bad */
93 /* The flags for projecting a comparison result */
95 irpn_False=0, /* false */
98 irpn_Le, /* less or equal */
99 irpn_Gt, /* greater */
100 irpn_Ge, /* greater of equal */
101 irpn_Lg, /* less or greater */
102 irpn_Leg, /* less, equal or greater = ordered */
103 irpn_Uo, /* unordered */
104 irpn_Ue, /* unordered or equal */
105 irpn_Ul, /* unordered or less */
106 irpn_Ule, /* unordered, less or equal */
107 irpn_Ug, /* unordered or greater */
108 irpn_Uge, /* unordered, greater or equal */
109 irpn_Ne, /* unordered, less or greater = not equal */
110 irpn_True, /* true */
111 irpn_notmask = irpn_Leg
114 /* ******************** Arithmethic operations on tarvals ******************** */
115 /* Compare a with b and return an ir_pncmp describing the relation
116 between a and b. This is either Uo, Lt, Eq, Gt, or False if a or b
117 are symbolic pointers which can not be compared at all. */
118 ir_pncmp tarval_comp (tarval *a, tarval *b);
120 tarval *tarval_neg (tarval *a);
121 tarval *tarval_add (tarval *, tarval *);
122 tarval *tarval_sub (tarval *, tarval *);
123 tarval *tarval_mul (tarval *, tarval *);
124 tarval *tarval_quo (tarval *, tarval *);
125 tarval *tarval_div (tarval *, tarval *);
126 tarval *tarval_mod (tarval *, tarval *);
127 tarval *tarval_and (tarval *, tarval *);
128 tarval *tarval_or (tarval *, tarval *);
129 tarval *tarval_eor (tarval *, tarval *);
130 tarval *tarval_shl (tarval *, tarval *);
131 tarval *tarval_shr (tarval *, tarval *);
133 /* Identifying some tarvals */
134 long tarval_classify (tarval *);
135 long tarval_ord (tarval *, int *fail);
138 int tarval_print (XP_PAR1, const xprintf_info *, XP_PARN); */
140 /* return a mode-specific value */
142 tarval_f tv_val_f (tarval *tv);
143 tarval_d tv_val_d (tarval *tv);
144 tarval_chil tv_val_chil (tarval *tv);
145 tarval_CHIL tv_val_CHIL (tarval *tv);
146 tarval_Z tv_val_Z (tarval *tv);
147 tarval_p tv_val_p (tarval *tv);
148 bool tv_val_b (tarval *tv);
149 tarval_B tv_val_B (tarval *tv);
150 tarval_s tv_val_s (tarval *tv);
153 #define TARVAL_VRFY(val) ((void)0)
155 #define TARVAL_VRFY(val) _tarval_vrfy ((val))
156 extern void _tarval_vrfy (const tarval *);
160 void tarval_stats (void);
162 #define tarval_stats() ((void)0)
165 ir_mode *get_tv_mode (tarval *tv);