#define SvVALID_on(sv) (SvFLAGS(sv) |= SVpbm_VALID)
#define SvVALID_off(sv) (SvFLAGS(sv) &= ~SVpbm_VALID)
+#ifdef USE_ITHREADS
+/* The following uses the FAKE flag to show that a regex pointer is infact
+ it's own offset in the regexpad for ithreads */
+#define SvREPADTMP(sv) (SvFLAGS(sv) & SVf_FAKE)
+#define SvREPADTMP_on(sv) (SvFLAGS(sv) |= SVf_FAKE)
+#define SvREPADTMP_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE)
+#endif
+
#define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv
#define SvRVx(sv) SvRV(sv)