>>> if (SUBREG_P (x) >>> && REGNO (SUBREG_REG (x)) == use->regno () >>> && known_eq (GET_MODE_SIZE (use->mode ()), >>> GET_MODE_SIZE (GET_MODE (x)))) > > Do we need to add REG_P (XEXP (x, 0)), I am not sure whether REGNO > (SUBREG_REG (x)) will triger an segfault.
Hmm right, I guess it could be a MEM, theoretically. I'll add the necessary check. -- Regards Robin
