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// -*- mode:c++ -*-
// Copyright (c) 2007 The Hewlett-Packard Development Company
// All rights reserved.
//
// Redistribution and use of this software in source and binary forms,
// with or without modification, are permitted provided that the
// following conditions are met:
//
// The software must be used only for Non-Commercial Use which means any
// use which is NOT directed to receiving any direct monetary
// compensation for, or commercial advantage from such use. Illustrative
// examples of non-commercial use are academic research, personal study,
// teaching, education and corporate research & development.
// Illustrative examples of commercial use are distributing products for
// commercial advantage and providing services using the software for
// commercial advantage.
//
// If you wish to use this software or functionality therein that may be
// covered by patents for commercial use, please contact:
// Director of Intellectual Property Licensing
// Office of Strategy and Technology
// Hewlett-Packard Company
// 1501 Page Mill Road
// Palo Alto, California 94304
//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer. Redistributions
// in binary form must reproduce the above copyright notice, this list of
// conditions and the following disclaimer in the documentation and/or
// other materials provided with the distribution. Neither the name of
// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission. No right of
// sublicense is granted herewith. Derivatives of the software and
// output created using the software may be prepared, but only for
// Non-Commercial Uses. Derivatives of the software may be shared with
// others provided: (i) the others agree to abide by the list of
// conditions herein which includes the Non-Commercial Use restrictions;
// and (ii) such Derivatives of the software include the above copyright
// notice to acknowledge the contribution from this software where
// applicable, this list of conditions and the disclaimer below.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Authors: Gabe Black
////////////////////////////////////////////////////////////////////
//
// Instructions that do the same thing to multiple sets of arguments.
//
output header {{
}};
output decoder {{
}};
output exec {{
}};
let {{
multiops = {}
}};
def format MultiOp(code, switchVal, opTags, *opt_flags) {{
# Loads and stores that bring in and write out values from the
# instructions. These are determined by the input and output tags,
# and the resulting instruction will have the right number of micro ops,
# or could be implemented as an atomic macro op.
instNames = []
for tagSet in opTags:
loads = []
stores = []
postfix = ''
for tag in tagSet:
postfix += '_' + tag
gather_inputs = ''
if len(loads) + len(stores) == 0:
# If there are no loads or stores, make this a single instruction.
iop = InstObjParams(name, Name + postfix, 'X86StaticInst',
{"code": code, "gather_inputs": gather_inputs},
opt_flags)
else:
# Build up a macro op. We'll punt on this for now
pass
decodeBlob = 'switch(%s) {\n' % switchVal
counter = 0
for inst in instNames:
decodeBlob += '%d: return (X86StaticInst *)(new %s(machInst));\n' % \
(counter, inst)
counter += 1
decodeBlob += '}\n'
# decode_block = BasicDecodeWithMnemonic.subst(iop)
}};
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