65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
/*
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* Copyright (c) 2003 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __OP_CLASS_HH__
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#define __OP_CLASS_HH__
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/**
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* @file
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* Definition of operation classes.
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*/
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/**
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* Instruction operation classes. These classes are used for
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* assigning instructions to functional units.
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*/
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enum OpClass {
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No_OpClass = 0, /* inst does not use a functional unit */
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IntALU, /* integer ALU */
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IntMULT, /* integer multiplier */
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IntDIV, /* integer divider */
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FloatADD, /* floating point adder/subtractor */
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FloatCMP, /* floating point comparator */
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FloatCVT, /* floating point<->integer converter */
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FloatMULT, /* floating point multiplier */
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FloatDIV, /* floating point divider */
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FloatSQRT, /* floating point square root */
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RdPort, /* memory read port */
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WrPort, /* memory write port */
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LvqPort, /* load value queue read port (redundant threading) */
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IPrefPort,
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Num_OpClasses /* total functional unit classes */
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};
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/**
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* Array mapping OpClass enum values to strings.
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*/
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extern const char *opClassStrings[];
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#endif // __OP_CLASS_HH__
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