multi.isa revision 7087:fb8d5786ff30 
1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 The Hewlett-Packard Development Company
4// All rights reserved.
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating
9// to a hardware implementation of the functionality of the software
10// licensed hereunder.  You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Redistribution and use in source and binary forms, with or without
16// modification, are permitted provided that the following conditions are
17// met: redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer;
19// redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution;
22// neither the name of the copyright holders nor the names of its
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Authors: Gabe Black
39
40//////////////////////////////////////////////////////////////////////////
41//
42// Instructions operate on one or multiple types of sets of arguments.
43//
44//////////////////////////////////////////////////////////////////////////
45
46def format Inst(*opTypeSet) {{
47    blocks = specializeInst(Name, list(opTypeSet), EmulEnv())
48    (header_output, decoder_output,
49     decode_block, exec_output) = blocks.makeList()
50}};
51
52def format MultiInst(switchVal, *opTypeSets) {{
53    switcher = {}
54    for (count, opTypeSet) in zip(xrange(len(opTypeSets)), opTypeSets):
55        switcher[count] = (specializeInst, Name, opTypeSet, EmulEnv())
56    blocks = doSplitDecode(switchVal, switcher)
57    (header_output, decoder_output,
58     decode_block, exec_output) = blocks.makeList()
59}};
60