xref: /gem5/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/reciprocal_estimation.py

# Copyright (c) 2007 The Hewlett-Packard Development Company
# Copyright (c) 2015 Advanced Micro Devices, Inc.
#
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder.  You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# 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
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Gabe Black
#          Steve Reinhardt

microcode = '''
def macroop RCPSS_XMM_XMM {
    mrcp xmml, xmmlm, size=4, ext=Scalar
};

def macroop RCPSS_XMM_M {
    ldfp ufp1, seg, sib, disp, dataSize=8
    mrcp xmml, ufp1, size=4, ext=Scalar
};

def macroop RCPSS_XMM_P {
    rdip t7
    ldfp ufp1, seg, riprel, disp, dataSize=8
    mrcp xmml, ufp1, size=4, ext=Scalar
};

def macroop RCPPS_XMM_XMM {
    mrcp xmml, xmmlm, size=4, ext=0
    mrcp xmmh, xmmhm, size=4, ext=0
};

def macroop RCPPS_XMM_M {
    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
    ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
    mrcp xmml, ufp1, size=4, ext=0
    mrcp xmmh, ufp2, size=4, ext=0
};

def macroop RCPPS_XMM_P {
    rdip t7
    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
    ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
    mrcp xmml, ufp1, size=4, ext=0
    mrcp xmmh, ufp2, size=4, ext=0
};
'''