opcode.h

   1 #ifndef OPCODE_H
   2 #define OPCODE_H
   3
   4 #include "symbol.h"
   5
   6 enum opcode {
   7 #define OPCODE(OP,NG,SW,TF,N,FL)  OP_##OP,
   8 #define OPCODE_RANGE(OP,S,E)    OP_##OP = OP_##S, OP_##OP##_END = OP_##E,
   9 #include "opcode.def"
  10 #undef  OPCODE
  11 #undef  OPCODE_RANGE
  12         OP_LAST,                        /* keep this one last! */
  13 };
  14
  15 extern const struct opcode_table {
  16         int     negate:8;
  17         int     swap:8;
  18         int     to_float:8;
  19         unsigned int arity:2;
  20         unsigned int flags:6;
  21 #define                 OPF_NONE        0
  22 #define                 OPF_TARGET      (1 << 0)
  23 } opcode_table[];
  24
  25
  26 static inline int opcode_float(int opcode, struct symbol *type)
  27 {
  28         if (!type || !is_float_type(type))
  29                 return opcode;
  30         return opcode_table[opcode].to_float;
  31 }
  32
  33 #endif