void invertjump(expdesc e) {
InstructionPtr pc = this.getjumpcontrol(e.u.info);
_assert(
testTMode(GET_OPCODE(pc.get()))
&& GET_OPCODE(pc.get()) != OP_TESTSET
&& Lua.GET_OPCODE(pc.get()) != OP_TEST);
// SETARG_A(pc, !(GETARG_A(pc.get())));
int a = GETARG_A(pc.get());
int nota = (a != 0 ? 0 : 1);
SETARG_A(pc, nota);
}
boolean patchtestreg(int node, int reg) {
InstructionPtr i = this.getjumpcontrol(node);
if (GET_OPCODE(i.get()) != OP_TESTSET)
/* cannot patch other instructions */
return false;
if (reg != NO_REG && reg != GETARG_B(i.get())) SETARG_A(i, reg);
else
/* no register to put value or register already has the value */
i.set(CREATE_ABC(OP_TEST, GETARG_B(i.get()), 0, Lua.GETARG_C(i.get())));
return true;
}