Hi , i am an novice here. What test case should i write so that gcc produce "mulhisi3" pattern. mulsi3 , mulhi3 are working fine. I also have defined extendhisi2. thanks -- View this message in context: http://old.nabble.com/mulhisi3-tp26540982p26540982.html Sent from the gcc - Help mailing list archive at Nabble.com.