Index: gcc/config/alpha/alpha.opt
--- gcc/config/alpha/alpha.opt.orig
+++ gcc/config/alpha/alpha.opt
@@ -38,6 +38,10 @@ mieee
 Target RejectNegative Mask(IEEE)
 Emit IEEE-conformant code, without inexact exceptions.
 
+mno-ieee
+Target Report RejectNegative InverseMask(IEEE)
+Emit non-IEEE-conformant code
+
 mieee-with-inexact
 Target RejectNegative Mask(IEEE_WITH_INEXACT)
 
