Function negatecondition

extlibs/lua/src/lcode.c:1084–1089

** Negate condition 'e' (where 'e' is a comparison). */

** Negate condition 'e' (where 'e' is a comparison).
*/
static void negatecondition (FuncState *fs, expdesc *e) {
  Instruction *pc = getjumpcontrol(fs, e->u.info);
  lua_assert(testTMode(GET_OPCODE(*pc)) && GET_OPCODE(*pc) != OP_TESTSET &&
                                           GET_OPCODE(*pc) != OP_TEST);
  SETARG_k(*pc, (GETARG_k(*pc) ^ 1));
}


/*