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/*
* Copyright (c) 2009 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 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 holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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.
*/
#ifndef __ARCH_X86_INSTS_MICROMEDIAOP_HH__
#define __ARCH_X86_INSTS_MICROMEDIAOP_HH__
#include "arch/x86/insts/microop.hh"
namespace gem5
{
namespace X86ISA
{
enum MediaFlag
{
MediaMultHiOp = 1,
MediaSignedOp = 64,
MediaScalarOp = 128
};
class MediaOpBase : public X86MicroopBase
{
protected:
const uint8_t srcSize;
const uint8_t destSize;
const uint8_t ext;
// Constructor
MediaOpBase(ExtMachInst mach_inst, const char *mnem, const char *inst_mnem,
uint64_t set_flags, OpClass op_class,
uint8_t src_size, uint8_t dest_size, uint8_t _ext) :
X86MicroopBase(mach_inst, mnem, inst_mnem, set_flags, op_class),
srcSize(src_size), destSize(dest_size), ext(_ext)
{}
bool
scalarOp() const
{
return ext & MediaScalarOp;
}
int
numItems(int size) const
{
return scalarOp() ? 1 : (sizeof(uint64_t) / size);
}
bool
multHi() const
{
return ext & MediaMultHiOp;
}
bool
signedOp() const
{
return ext & MediaSignedOp;
}
public:
static constexpr uint8_t dataSize = 0;
};
} // namespace X86ISA
} // namespace gem5
#endif //__ARCH_X86_INSTS_MICROMEDIAOP_HH__