Path: utzoo!utgpu!watmath!att!tut.cis.ohio-state.edu!mailrus!csd4.milw.wisc.edu!cs.utexas.edu!uunet!mcvax!hp4nl!eutrc3!eutrc4!rcpieter From: rcpieter@eutrc4.urc.tue.nl (Pieter Schoenmakers) Newsgroups: comp.arch Subject: Re: delayed branch Message-ID: <828@eutrc3.urc.tue.nl> Date: 8 Aug 89 18:11:17 GMT Sender: news@eutrc3.urc.tue.nl Reply-To: rcpieter@rc4.urc.tue.nl Organization: Eindhoven University of Technology, The Netherlands Lines: 10 Just wondering--- - What happens on existing processors which use delayed branches when the instruction put in the branch instruction's shadow is also a branch? - Do existing processors have a seperate adder for use by branches only, or are there restrictions on the possible instructions which can be put in the shadow? - Are there any processors which use branch delaying and don't have a seperate address calculation adder? Tiggr