-#neg 3, 3 #negate the result (errno)
-#b 2f # jump to epilogue
-
-# this error check code at least does not spoil the clone call.
-#mfcr 0 # Check for an error
-#rlwinm 4, 0, 0, 3, 3 # by checking for bit 28.
-#cmplwi 0, 4, 0 # It is an error if non-zero.
-#beq 0, 1f # Jump if not an error.
-#neg 3, 3 # Negate the error number.
-#b 2f # jump to epilogue