C++ (Cpp) lj_ir_kgc Exemples

Exemple #1

Fichier : lj_ffrecord.c Projet : Dzshiftt/Gnomescroll-Dependencies

static void LJ_FASTCALL recff_math_random(jit_State *J, RecordFFData *rd)
{
  GCudata *ud = udataV(&J->fn->c.upvalue[0]);
  TRef tr, one;
  lj_ir_kgc(J, obj2gco(ud), IRT_UDATA);  /* Prevent collection. */
  tr = lj_ir_call(J, IRCALL_lj_math_random_step, lj_ir_kptr(J, uddata(ud)));
  one = lj_ir_knum_one(J);
  tr = emitir(IRTN(IR_SUB), tr, one);
  if (J->base[0]) {
    TRef tr1 = lj_ir_tonum(J, J->base[0]);
    if (J->base[1]) {  /* d = floor(d*(r2-r1+1.0)) + r1 */
      TRef tr2 = lj_ir_tonum(J, J->base[1]);
      tr2 = emitir(IRTN(IR_SUB), tr2, tr1);
      tr2 = emitir(IRTN(IR_ADD), tr2, one);
      tr = emitir(IRTN(IR_MUL), tr, tr2);
      tr = emitir(IRTN(IR_FPMATH), tr, IRFPM_FLOOR);
      tr = emitir(IRTN(IR_ADD), tr, tr1);
    } else {  /* d = floor(d*r1) + 1.0 */
      tr = emitir(IRTN(IR_MUL), tr, tr1);
      tr = emitir(IRTN(IR_FPMATH), tr, IRFPM_FLOOR);
      tr = emitir(IRTN(IR_ADD), tr, one);
    }
  }
  J->base[0] = tr;
  UNUSED(rd);
}

Exemple #2

Fichier : lj_snap.c Projet : 03050903/Urho3D

/* Replay constant from parent trace. */
static TRef snap_replay_const(jit_State *J, IRIns *ir)
{
  /* Only have to deal with constants that can occur in stack slots. */
  switch ((IROp)ir->o) {
  case IR_KPRI: return TREF_PRI(irt_type(ir->t));
  case IR_KINT: return lj_ir_kint(J, ir->i);
  case IR_KGC: return lj_ir_kgc(J, ir_kgc(ir), irt_t(ir->t));
  case IR_KNUM: return lj_ir_k64(J, IR_KNUM, ir_knum(ir));
  case IR_KINT64: return lj_ir_k64(J, IR_KINT64, ir_kint64(ir));
  case IR_KPTR: return lj_ir_kptr(J, ir_kptr(ir));  /* Continuation. */
  default: lua_assert(0); return TREF_NIL; break;
  }
}