xref: /gem5/src/arch/x86/isa/insts/simd128/integer/shift/left_logical_shift.py

# Copyright (c) 2007 The Hewlett-Packard Development Company
# 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
# 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

microcode = '''
def macroop PSLLW_XMM_XMM {
    msll xmmh, xmmh, xmmlm, size=2, ext=0
    msll xmml, xmml, xmmlm, size=2, ext=0
};

def macroop PSLLW_XMM_M {
    ldfp ufp1, seg, sib, disp, dataSize=8
    msll xmml, xmml, ufp1, size=2, ext=0
    msll xmmh, xmmh, ufp1, size=2, ext=0
};

def macroop PSLLW_XMM_P {
    rdip t7
    ldfp ufp1, seg, riprel, disp, dataSize=8
    msll xmml, xmml, ufp1, size=2, ext=0
    msll xmmh, xmmh, ufp1, size=2, ext=0
};

def macroop PSLLW_XMM_I {
    mslli xmml, xmml, imm, size=2, ext=0
    mslli xmmh, xmmh, imm, size=2, ext=0
};

def macroop PSLLD_XMM_XMM {
    msll xmmh, xmmh, xmmlm, size=4, ext=0
    msll xmml, xmml, xmmlm, size=4, ext=0
};

def macroop PSLLD_XMM_M {
    ldfp ufp1, seg, sib, disp, dataSize=8
    msll xmml, xmml, ufp1, size=4, ext=0
    msll xmmh, xmmh, ufp1, size=4, ext=0
};

def macroop PSLLD_XMM_P {
    rdip t7
    ldfp ufp1, seg, riprel, disp, dataSize=8
    msll xmml, xmml, ufp1, size=4, ext=0
    msll xmmh, xmmh, ufp1, size=4, ext=0
};

def macroop PSLLD_XMM_I {
    mslli xmml, xmml, imm, size=4, ext=0
    mslli xmmh, xmmh, imm, size=4, ext=0
};

def macroop PSLLQ_XMM_XMM {
    msll xmmh, xmmh, xmmlm, size=8, ext=0
    msll xmml, xmml, xmmlm, size=8, ext=0
};

def macroop PSLLQ_XMM_M {
    ldfp ufp1, seg, sib, disp, dataSize=8
    msll xmml, xmml, ufp1, size=8, ext=0
    msll xmmh, xmmh, ufp1, size=8, ext=0
};

def macroop PSLLQ_XMM_P {
    rdip t7
    ldfp ufp1, seg, riprel, disp, dataSize=8
    msll xmml, xmml, ufp1, size=8, ext=0
    msll xmmh, xmmh, ufp1, size=8, ext=0
};

def macroop PSLLQ_XMM_I {
    mslli xmml, xmml, imm, size=8, ext=0
    mslli xmmh, xmmh, imm, size=8, ext=0
};

def macroop PSLLDQ_XMM_I {

    limm  t2, 8
    subi t1, t2, imm, flags=(ECF,), dataSize=1
    br label("pslldq_less_8"), flags=(nCECF,)

    # Greater than 8

    limm  t2, 16
    subi t1, t2, imm, flags=(ECF,), dataSize=1
    br label("pslldq_less_16"), flags=(nCECF,)

    # Greater than 16

    lfpimm  xmml, 0
    lfpimm  xmmh, 0
    br label("pslldq_end")

pslldq_less_16:

    # Between 8 and 16

    mslli xmmh, xmml, "(IMMEDIATE-8)<<3", size=8, ext=0
    lfpimm  xmml, 0
    br label("pslldq_end")

pslldq_less_8:

    # Less than 8

    msrli ufp1, xmml, "(8-IMMEDIATE) << 3", size=8, ext=0
    mslli xmmh, xmmh, "IMMEDIATE << 3", size=8, ext=0
    mslli xmml, xmml, "IMMEDIATE << 3", size=8, ext=0
    mor   xmmh, xmmh, ufp1

pslldq_end:
    fault "NoFault"
};
'''