Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!samsung!noose.ecn.purdue.edu!mentor.cc.purdue.edu!purdue!haven!ni.umd.edu!uc780.umd.edu!cs450a03 From: cs450a03@uc780.umd.edu Newsgroups: comp.arch Subject: RE: Instruction Scheduling Message-ID: <17APR91.01041249@uc780.umd.edu> Date: 17 Apr 91 01:04:12 GMT References: <32097@shamash.cdc.com> <1991Apr8.224717.14402@aero.org> <1991Apr10.131341.26357@b11.ingr.com> <20632@cbmvax.commodore.com> <24130@as0c.sei.cmu.edu> Sender: usenet@ni.umd.edu (USENET News System) Organization: The University of Maryland University College Lines: 12 Curiosity question: Are there any architectures with setbranch/commit semantics? (where setbranch sets up a branch target, and allows for pipeline stuffing, and commit actually changes flow of control). Or are pipeline stages generally too expensive for this kind of duplication? Inquiring minds want to know... Raul Rockwell