OP_FP
#define OP_CALL(f) OP_U64(OPK_CALL) OP_FP(f)
#define OP_CALL_P(f, x) OP_U64(OPK_CALL_P) OP_FP(f) OP_P(x)
#define OP_CALL_I(f, x) OP_U64(OPK_CALL_I) OP_FP(f) OP_I64(x)
#define OP_CALL_U64(f, x) OP_U64(OPK_CALL_U64) OP_FP(f) OP_U64(x)
#define OP_CALL_I64(f, x) OP_U64(OPK_CALL_I64) OP_FP(f) OP_I64(x)
#define OP_CALL_D(f, x) OP_U64(OPK_CALL_D) OP_FP(f) OP_D(x)
#define OP_CALL_PZ(f, x, xl) OP_U64(OPK_CALL_PZ) OP_FP(f) OP_P(x) OP_U64(xl)