// -*- mode:c++ -*-

// Copyright (c) 2012-2013, 2016 ARM Limited
// 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: Thomas Grocutt
//          Edmund Grimley Evans

let {{

    header_output = ""
    decoder_output = ""
    exec_output = ""

    fmovImmSCode = vfp64EnabledCheckCode + '''
        AA64FpDestP0_uw = bits(imm, 31, 0);
        AA64FpDestP1_uw = 0;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
    '''
    fmovImmSIop = InstObjParams("fmov", "FmovImmS", "FpRegImmOp",
                                { "code": fmovImmSCode,
                                  "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegImmOpDeclare.subst(fmovImmSIop);
    decoder_output += FpRegImmOpConstructor.subst(fmovImmSIop);
    exec_output    += BasicExecute.subst(fmovImmSIop);

    fmovImmDCode = vfp64EnabledCheckCode + '''
        AA64FpDestP0_uw = bits(imm, 31, 0);
        AA64FpDestP1_uw = bits(imm, 63, 32);
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
    '''
    fmovImmDIop = InstObjParams("fmov", "FmovImmD", "FpRegImmOp",
                                { "code": fmovImmDCode,
                                  "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegImmOpDeclare.subst(fmovImmDIop);
    decoder_output += AA64FpRegImmOpConstructor.subst(fmovImmDIop);
    exec_output    += BasicExecute.subst(fmovImmDIop);

    fmovRegSCode = vfp64EnabledCheckCode + '''
        AA64FpDestP0_uw = AA64FpOp1P0_uw;
        AA64FpDestP1_uw = 0;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
    '''
    fmovRegSIop = InstObjParams("fmov", "FmovRegS", "FpRegRegOp",
                                { "code": fmovRegSCode,
                                  "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovRegSIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovRegSIop);
    exec_output    += BasicExecute.subst(fmovRegSIop);

    fmovRegDCode = vfp64EnabledCheckCode + '''
        AA64FpDestP0_uw = AA64FpOp1P0_uw;
        AA64FpDestP1_uw = AA64FpOp1P1_uw;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
    '''
    fmovRegDIop = InstObjParams("fmov", "FmovRegD", "FpRegRegOp",
                                { "code": fmovRegDCode,
                                  "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovRegDIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovRegDIop);
    exec_output    += BasicExecute.subst(fmovRegDIop);

    fmovCoreRegWCode = vfp64EnabledCheckCode + '''
        AA64FpDestP0_uw = WOp1_uw;
        AA64FpDestP1_uw = 0;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
    '''
    fmovCoreRegWIop = InstObjParams("fmov", "FmovCoreRegW", "FpRegRegOp",
                                    { "code": fmovCoreRegWCode,
                                      "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovCoreRegWIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovCoreRegWIop);
    exec_output    += BasicExecute.subst(fmovCoreRegWIop);

    fmovCoreRegXCode = vfp64EnabledCheckCode + '''
        AA64FpDestP0_uw = XOp1_ud;
        AA64FpDestP1_uw = XOp1_ud >> 32;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
    '''
    fmovCoreRegXIop = InstObjParams("fmov", "FmovCoreRegX", "FpRegRegOp",
                                    { "code": fmovCoreRegXCode,
                                      "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovCoreRegXIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovCoreRegXIop);
    exec_output    += BasicExecute.subst(fmovCoreRegXIop);

    fmovUCoreRegXCode = vfp64EnabledCheckCode + '''
        /* Explicitly merge with previous value */
        AA64FpDestP0_uw = AA64FpDestP0_uw;
        AA64FpDestP1_uw = AA64FpDestP1_uw;
        AA64FpDestP2_uw = XOp1_ud;
        AA64FpDestP3_uw = XOp1_ud >> 32;'''
    fmovUCoreRegXIop = InstObjParams("fmov", "FmovUCoreRegX", "FpRegRegOp",
                                    { "code": fmovUCoreRegXCode,
                                      "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovUCoreRegXIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovUCoreRegXIop);
    exec_output    += BasicExecute.subst(fmovUCoreRegXIop);

    fmovRegCoreWCode = vfp64EnabledCheckCode + '''
        WDest = AA64FpOp1P0_uw;
    '''
    fmovRegCoreWIop = InstObjParams("fmov", "FmovRegCoreW", "FpRegRegOp",
                                     { "code": fmovRegCoreWCode,
                                       "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovRegCoreWIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovRegCoreWIop);
    exec_output    += BasicExecute.subst(fmovRegCoreWIop);

    fmovRegCoreXCode = vfp64EnabledCheckCode + '''
        XDest = ( ((uint64_t) AA64FpOp1P1_uw) << 32) | AA64FpOp1P0_uw;
    '''
    fmovRegCoreXIop = InstObjParams("fmov", "FmovRegCoreX", "FpRegRegOp",
                                     { "code": fmovRegCoreXCode,
                                       "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovRegCoreXIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovRegCoreXIop);
    exec_output    += BasicExecute.subst(fmovRegCoreXIop);

    fmovURegCoreXCode = vfp64EnabledCheckCode + '''
        XDest = ( ((uint64_t) AA64FpOp1P3_uw) << 32) | AA64FpOp1P2_uw;
    '''
    fmovURegCoreXIop = InstObjParams("fmov", "FmovURegCoreX", "FpRegRegOp",
                                    { "code":     fmovURegCoreXCode,
                                      "op_class": "FloatMiscOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fmovURegCoreXIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fmovURegCoreXIop);
    exec_output    += BasicExecute.subst(fmovURegCoreXIop);
}};

let {{

    header_output = ""
    decoder_output = ""
    exec_output = ""

    singleIntConvCode = vfp64EnabledCheckCode + '''
        FPSCR fpscr = (FPSCR) FpscrExc;
        uint32_t cOp1  = AA64FpOp1P0_uw;
        uint32_t cDest = %(op)s;
        AA64FpDestP0_uw = cDest;
        AA64FpDestP1_uw = 0;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
        FpscrExc = fpscr;
    '''

    singleIntConvCode2 = vfp64EnabledCheckCode + '''
        FPSCR fpscr = (FPSCR) FpscrExc;
        uint32_t cOp1  = AA64FpOp1P0_uw;
        uint32_t cOp2  = AA64FpOp2P0_uw;
        uint32_t cDest = %(op)s;
        AA64FpDestP0_uw = cDest;
        AA64FpDestP1_uw = 0;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
        FpscrExc = fpscr;
    '''

    singleBinOp = "binaryOp(fpscr, AA64FpOp1P0, AA64FpOp2P0," + \
                "%(func)s, fpscr.fz, fpscr.dn, fpscr.rMode)"
    singleUnaryOp = "unaryOp(fpscr, AA64FpOp1P0, %(func)s, fpscr.fz, fpscr.rMode)"

    doubleIntConvCode = vfp64EnabledCheckCode + '''
        FPSCR fpscr = (FPSCR) FpscrExc;
        uint64_t cOp1  = ((uint64_t) AA64FpOp1P1_uw) << 32 | AA64FpOp1P0_uw;
        uint64_t cDest = %(op)s;
        AA64FpDestP0_uw = cDest & 0xFFFFFFFF;
        AA64FpDestP1_uw = cDest >> 32;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
        FpscrExc = fpscr;
    '''

    doubleIntConvCode2 = vfp64EnabledCheckCode + '''
        FPSCR fpscr = (FPSCR) FpscrExc;
        uint64_t cOp1  = ((uint64_t) AA64FpOp1P1_uw) << 32 | AA64FpOp1P0_uw;
        uint64_t cOp2  = ((uint64_t) AA64FpOp2P1_uw) << 32 | AA64FpOp2P0_uw;
        uint64_t cDest = %(op)s;
        AA64FpDestP0_uw = cDest & 0xFFFFFFFF;
        AA64FpDestP1_uw = cDest >> 32;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
        FpscrExc = fpscr;
    '''

    doubleBinOp = '''
        binaryOp(fpscr, dbl(AA64FpOp1P0_uw, AA64FpOp1P1_uw),
                        dbl(AA64FpOp2P0_uw, AA64FpOp2P1_uw),
                        %(func)s, fpscr.fz, fpscr.dn, fpscr.rMode);
    '''
    doubleUnaryOp = '''
        unaryOp(fpscr, dbl(AA64FpOp1P0_uw, AA64FpOp1P1_uw), %(func)s,
                fpscr.fz, fpscr.rMode)
    '''

    def buildTernaryFpOp(name, opClass, sOp, dOp):
        global header_output, decoder_output, exec_output
        for isDouble in True, False:
            code = vfp64EnabledCheckCode + '''
                FPSCR fpscr = (FPSCR) FpscrExc;
            '''
            if isDouble:
                code += '''
                    uint64_t cOp1 = AA64FpOp1P0_uw | (uint64_t)AA64FpOp1P1_uw << 32;
                    uint64_t cOp2 = AA64FpOp2P0_uw | (uint64_t)AA64FpOp2P1_uw << 32;
                    uint64_t cOp3 = AA64FpOp3P0_uw | (uint64_t)AA64FpOp3P1_uw << 32;
                    uint64_t cDest;
                ''' "cDest = " + dOp + ";" + '''
                    AA64FpDestP0_uw = cDest;
                    AA64FpDestP1_uw = cDest >> 32;
                '''
            else:
                code += '''
                    uint32_t cOp1 = AA64FpOp1P0_uw;
                    uint32_t cOp2 = AA64FpOp2P0_uw;
                    uint32_t cOp3 = AA64FpOp3P0_uw;
                    uint32_t cDest;
                ''' "cDest = " + sOp + ";" + '''
                    AA64FpDestP0_uw = cDest;
                    AA64FpDestP1_uw = 0;
                '''
            code += '''
                AA64FpDestP2_uw = 0;
                AA64FpDestP3_uw = 0;
                FpscrExc = fpscr;
            '''

            iop = InstObjParams(name.lower(), name + ("D" if isDouble else "S"),
                                "FpRegRegRegRegOp",
                                { "code": code, "op_class": opClass }, [])

            header_output  += AA64FpRegRegRegRegOpDeclare.subst(iop)
            decoder_output += AA64FpRegRegRegRegOpConstructor.subst(iop)
            exec_output    += BasicExecute.subst(iop)

    buildTernaryFpOp("FMAdd", "FloatMultAccOp",
                     "fplibMulAdd<uint32_t>(cOp3, cOp1, cOp2, fpscr)",
                     "fplibMulAdd<uint64_t>(cOp3, cOp1, cOp2, fpscr)" )
    buildTernaryFpOp("FMSub", "FloatMultAccOp",
                     "fplibMulAdd<uint32_t>(cOp3, fplibNeg<uint32_t>(cOp1), cOp2, fpscr)",
                     "fplibMulAdd<uint64_t>(cOp3, fplibNeg<uint64_t>(cOp1), cOp2, fpscr)" )
    buildTernaryFpOp("FNMAdd", "FloatMultAccOp",
                     "fplibMulAdd<uint32_t>(fplibNeg<uint32_t>(cOp3), fplibNeg<uint32_t>(cOp1), cOp2, fpscr)",
                     "fplibMulAdd<uint64_t>(fplibNeg<uint64_t>(cOp3), fplibNeg<uint64_t>(cOp1), cOp2, fpscr)" )
    buildTernaryFpOp("FNMSub", "FloatMultAccOp",
                     "fplibMulAdd<uint32_t>(fplibNeg<uint32_t>(cOp3), cOp1, cOp2, fpscr)",
                     "fplibMulAdd<uint64_t>(fplibNeg<uint64_t>(cOp3), cOp1, cOp2, fpscr)" )

    def buildBinFpOp(name, Name, base, opClass, singleOp, doubleOp):
        global header_output, decoder_output, exec_output

        code = singleIntConvCode2 % { "op": singleOp }
        sIop = InstObjParams(name, Name + "S", base,
                { "code": code,
                  "op_class": opClass }, [])

        code = doubleIntConvCode2 % { "op": doubleOp }
        dIop = InstObjParams(name, Name + "D", base,
                { "code": code,
                  "op_class": opClass }, [])

        declareTempl     = eval(         base + "Declare");
        constructorTempl = eval("AA64" + base + "Constructor");

        for iop in sIop, dIop:
            header_output  += declareTempl.subst(iop)
            decoder_output += constructorTempl.subst(iop)
            exec_output    += BasicExecute.subst(iop)

    buildBinFpOp("fadd", "FAdd", "FpRegRegRegOp", "FloatAddOp",
                 "fplibAdd<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibAdd<uint64_t>(cOp1, cOp2, fpscr)")
    buildBinFpOp("fsub", "FSub", "FpRegRegRegOp", "FloatAddOp",
                 "fplibSub<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibSub<uint64_t>(cOp1, cOp2, fpscr)")
    buildBinFpOp("fdiv", "FDiv", "FpRegRegRegOp", "FloatDivOp",
                 "fplibDiv<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibDiv<uint64_t>(cOp1, cOp2, fpscr)")
    buildBinFpOp("fmul", "FMul", "FpRegRegRegOp", "FloatMultOp",
                 "fplibMul<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibMul<uint64_t>(cOp1, cOp2, fpscr)")
    buildBinFpOp("fnmul", "FNMul", "FpRegRegRegOp", "FloatMultOp",
                 "fplibNeg<uint32_t>(fplibMul<uint32_t>(cOp1, cOp2, fpscr))",
                 "fplibNeg<uint64_t>(fplibMul<uint64_t>(cOp1, cOp2, fpscr))")
    buildBinFpOp("fmin", "FMin", "FpRegRegRegOp", "FloatCmpOp",
                 "fplibMin<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibMin<uint64_t>(cOp1, cOp2, fpscr)")
    buildBinFpOp("fmax", "FMax", "FpRegRegRegOp", "FloatCmpOp",
                 "fplibMax<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibMax<uint64_t>(cOp1, cOp2, fpscr)")
    buildBinFpOp("fminnm", "FMinNM", "FpRegRegRegOp", "FloatCmpOp",
                 "fplibMinNum<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibMinNum<uint64_t>(cOp1, cOp2, fpscr)")
    buildBinFpOp("fmaxnm", "FMaxNM", "FpRegRegRegOp", "FloatCmpOp",
                 "fplibMaxNum<uint32_t>(cOp1, cOp2, fpscr)",
                 "fplibMaxNum<uint64_t>(cOp1, cOp2, fpscr)")

    def buildUnaryFpOp(name, Name, base, opClass, singleOp, doubleOp = None):
        if doubleOp is None:
            doubleOp = singleOp
        global header_output, decoder_output, exec_output

        code = singleIntConvCode % { "op": singleOp }
        sIop = InstObjParams(name, Name + "S", base,
                { "code": code,
                  "op_class": opClass }, [])
        code = doubleIntConvCode % { "op": doubleOp }
        dIop = InstObjParams(name, Name + "D", base,
                { "code": code,
                  "op_class": opClass }, [])

        declareTempl     = eval(         base + "Declare");
        constructorTempl = eval("AA64" + base + "Constructor");

        for iop in sIop, dIop:
            header_output  += declareTempl.subst(iop)
            decoder_output += constructorTempl.subst(iop)
            exec_output    += BasicExecute.subst(iop)

    buildUnaryFpOp("fsqrt", "FSqrt", "FpRegRegOp", "FloatSqrtOp",
                   "fplibSqrt<uint32_t>(cOp1, fpscr)", "fplibSqrt<uint64_t>(cOp1, fpscr)")

    def buildSimpleUnaryFpOp(name, Name, base, opClass, singleOp,
                             doubleOp = None, isIntConv = True):
        if doubleOp is None:
            doubleOp = singleOp
        global header_output, decoder_output, exec_output

        if isIntConv:
            sCode = singleIntConvCode
            dCode = doubleIntConvCode
        else:
            sCode = singleCode
            dCode = doubleCode

        for code, op, suffix in [[sCode, singleOp, "S"],
                                 [dCode, doubleOp, "D"]]:
            iop = InstObjParams(name, Name + suffix, base,
                { "code": code % { "op": op },
                  "op_class": opClass }, [])

            declareTempl     = eval(         base + "Declare");
            constructorTempl = eval("AA64" + base + "Constructor");

            header_output  += declareTempl.subst(iop)
            decoder_output += constructorTempl.subst(iop)
            exec_output    += BasicExecute.subst(iop)

    buildSimpleUnaryFpOp("fneg", "FNeg", "FpRegRegOp", "FloatMiscOp",
                         "fplibNeg<uint32_t>(cOp1)", "fplibNeg<uint64_t>(cOp1)")
    buildSimpleUnaryFpOp("fabs", "FAbs", "FpRegRegOp", "FloatMiscOp",
                         "fplibAbs<uint32_t>(cOp1)", "fplibAbs<uint64_t>(cOp1)")
    buildSimpleUnaryFpOp("frintn", "FRIntN", "FpRegRegOp", "FloatMiscOp",
                         "fplibRoundInt<uint32_t>(cOp1, FPRounding_TIEEVEN, false, fpscr)",
                         "fplibRoundInt<uint64_t>(cOp1, FPRounding_TIEEVEN, false, fpscr)")
    buildSimpleUnaryFpOp("frintp", "FRIntP", "FpRegRegOp", "FloatMiscOp",
                         "fplibRoundInt<uint32_t>(cOp1, FPRounding_POSINF, false, fpscr)",
                         "fplibRoundInt<uint64_t>(cOp1, FPRounding_POSINF, false, fpscr)")
    buildSimpleUnaryFpOp("frintm", "FRIntM", "FpRegRegOp", "FloatMiscOp",
                         "fplibRoundInt<uint32_t>(cOp1, FPRounding_NEGINF, false, fpscr)",
                         "fplibRoundInt<uint64_t>(cOp1, FPRounding_NEGINF, false, fpscr)")
    buildSimpleUnaryFpOp("frintz", "FRIntZ", "FpRegRegOp", "FloatMiscOp",
                         "fplibRoundInt<uint32_t>(cOp1, FPRounding_ZERO, false, fpscr)",
                         "fplibRoundInt<uint64_t>(cOp1, FPRounding_ZERO, false, fpscr)")
    buildSimpleUnaryFpOp("frinta", "FRIntA", "FpRegRegOp", "FloatMiscOp",
                         "fplibRoundInt<uint32_t>(cOp1, FPRounding_TIEAWAY, false, fpscr)",
                         "fplibRoundInt<uint64_t>(cOp1, FPRounding_TIEAWAY, false, fpscr)")
    buildSimpleUnaryFpOp("frinti", "FRIntI", "FpRegRegOp", "FloatMiscOp",
                         "fplibRoundInt<uint32_t>(cOp1, FPCRRounding(fpscr), false, fpscr)",
                         "fplibRoundInt<uint64_t>(cOp1, FPCRRounding(fpscr), false, fpscr)")
    buildSimpleUnaryFpOp("frintx", "FRIntX", "FpRegRegOp", "FloatMiscOp",
                         "fplibRoundInt<uint32_t>(cOp1, FPCRRounding(fpscr), true, fpscr)",
                         "fplibRoundInt<uint64_t>(cOp1, FPCRRounding(fpscr), true, fpscr)")
}};

let {{

    header_output = ""
    decoder_output = ""
    exec_output = ""

    # Creates the integer to floating point instructions, including variants for
    # signed/unsigned, float/double, etc
    for regL, regOpL, width in [["W", "w", 32],
                                ["X", "d", 64]]:
        for isDouble in True, False:
            for us, usCode in [["U", "uint%d_t cSrc = %sOp1_u%s;" %(width, regL, regOpL)],
                               ["S", "int%d_t  cSrc = %sOp1_u%s;" %(width, regL, regOpL)]]:
                fcvtIntFpDCode = vfp64EnabledCheckCode + '''
                    FPSCR fpscr = (FPSCR) FpscrExc;
                    %s
                ''' %(usCode)

                if isDouble:
                    fcvtIntFpDCode += '''
                        uint64_t cDest = fplibFixedToFP<uint64_t>(cSrc, 0,
                            %s, FPCRRounding(fpscr), fpscr);
                        AA64FpDestP0_uw = cDest;
                        AA64FpDestP1_uw = cDest >> 32;
                    ''' % ("true" if us == "U" else "false")
                else:
                    fcvtIntFpDCode += '''
                        uint32_t cDest = fplibFixedToFP<uint32_t>(cSrc, 0,
                            %s, FPCRRounding(fpscr), fpscr);
                        AA64FpDestP0_uw = cDest;
                        AA64FpDestP1_uw = 0;
                    ''' % ("true" if us == "U" else "false")
                fcvtIntFpDCode += '''
                    AA64FpDestP2_uw = 0;
                    AA64FpDestP3_uw = 0;
                    FpscrExc = fpscr;
                '''

                instName = "Fcvt%s%sIntFp%s" %(regL, us, "D" if isDouble else "S")
                mnem     = "%scvtf" %(us.lower())
                fcvtIntFpDIop = InstObjParams(mnem, instName, "FpRegRegOp",
                                              { "code": fcvtIntFpDCode,
                                                "op_class": "FloatCvtOp" }, [])
                header_output  += FpRegRegOpDeclare.subst(fcvtIntFpDIop);
                decoder_output += AA64FpRegRegOpConstructor.subst(fcvtIntFpDIop);
                exec_output    += BasicExecute.subst(fcvtIntFpDIop);

    # Generates the floating point to integer conversion instructions in various
    # variants, eg signed/unsigned
    def buildFpCvtIntOp(isDouble, isSigned, isXReg):
        global header_output, decoder_output, exec_output

        for rmode, roundingMode in [["N", "FPRounding_TIEEVEN"],
                                    ["P", "FPRounding_POSINF"],
                                    ["M", "FPRounding_NEGINF"],
                                    ["Z", "FPRounding_ZERO"],
                                    ["A", "FPRounding_TIEAWAY"]]:
            fcvtFpIntCode = vfp64EnabledCheckCode + '''
                FPSCR fpscr = (FPSCR) FpscrExc;'''
            if isDouble:
                fcvtFpIntCode += '''
                uint64_t cOp1 = AA64FpOp1P0_uw | (uint64_t)AA64FpOp1P1_uw << 32;
                '''
            else:
                fcvtFpIntCode += "uint32_t cOp1 = AA64FpOp1P0_uw;"

            fcvtFpIntCode += '''
                %sDest = fplibFPToFixed<uint%s_t, uint%s_t>(cOp1, 0, %s, %s, fpscr);
                FpscrExc = fpscr;
            ''' %("X"      if isXReg   else "W",
                  "64"     if isDouble else "32",
                  "64"     if isXReg   else "32",
                  "false"  if isSigned else "true",
                  roundingMode)

            instName = "FcvtFp%sInt%s%s%s" %("S" if isSigned else "U",
                                             "X" if isXReg   else "W",
                                             "D" if isDouble else "S", rmode)
            mnem     = "fcvt%s%s" %(rmode, "s" if isSigned else "u")
            fcvtFpIntIop = InstObjParams(mnem, instName, "FpRegRegOp",
                                        { "code": fcvtFpIntCode,
                                        "op_class": "FloatCvtOp" }, [])
            header_output  += FpRegRegOpDeclare.subst(fcvtFpIntIop);
            decoder_output += FpRegRegOpConstructor.subst(fcvtFpIntIop);
            exec_output    += BasicExecute.subst(fcvtFpIntIop);

    # Now actually do the building with the different variants
    for isDouble in True, False:
       for isSigned in True, False:
           for isXReg in True, False:
             buildFpCvtIntOp(isDouble, isSigned, isXReg)

    fcvtFpSFpDCode = vfp64EnabledCheckCode + '''
        FPSCR fpscr = (FPSCR) FpscrExc;
        uint64_t cDest = fplibConvert<uint32_t, uint64_t>(AA64FpOp1P0_uw,
            FPCRRounding(fpscr), fpscr);
        AA64FpDestP0_uw = cDest;
        AA64FpDestP1_uw = cDest >> 32;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
        FpscrExc = fpscr;
    '''
    fcvtFpSFpDIop = InstObjParams("fcvt", "FCvtFpSFpD", "FpRegRegOp",
                                     { "code": fcvtFpSFpDCode,
                                       "op_class": "FloatCvtOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fcvtFpSFpDIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fcvtFpSFpDIop);
    exec_output    += BasicExecute.subst(fcvtFpSFpDIop);

    fcvtFpDFpSCode = vfp64EnabledCheckCode + '''
        FPSCR fpscr = (FPSCR) FpscrExc;
        uint64_t cOp1 = AA64FpOp1P0_uw | (uint64_t)AA64FpOp1P1_uw << 32;
        AA64FpDestP0_uw = fplibConvert<uint64_t, uint32_t>(cOp1,
            FPCRRounding(fpscr), fpscr);
        AA64FpDestP1_uw = 0;
        AA64FpDestP2_uw = 0;
        AA64FpDestP3_uw = 0;
        FpscrExc = fpscr;
    '''
    fcvtFpDFpSIop = InstObjParams("fcvt", "FcvtFpDFpS", "FpRegRegOp",
                                 {"code":     fcvtFpDFpSCode,
                                  "op_class": "FloatCvtOp" }, [])
    header_output  += FpRegRegOpDeclare.subst(fcvtFpDFpSIop);
    decoder_output += AA64FpRegRegOpConstructor.subst(fcvtFpDFpSIop);
    exec_output    += BasicExecute.subst(fcvtFpDFpSIop);

    # Half precision to single or double precision conversion
    for isDouble in True, False:
        code = vfp64EnabledCheckCode + '''
            FPSCR fpscr = (FPSCR) FpscrExc;
            %s cDest = fplibConvert<uint16_t, uint%s_t>(AA64FpOp1P0_uw,
                FPCRRounding(fpscr), fpscr);
        ''' % ("uint64_t" if isDouble else "uint32_t",
               "64" if isDouble else "32")
        if isDouble:
            code += '''
                AA64FpDestP0_uw = cDest;
                AA64FpDestP1_uw = cDest >> 32;
            '''
        else:
            code += '''
                AA64FpDestP0_uw = cDest;
                AA64FpDestP1_uw = 0;
            '''
        code += '''
            AA64FpDestP2_uw = 0;
            AA64FpDestP3_uw = 0;
            FpscrExc = fpscr;
        '''

        instName = "FcvtFpHFp%s" %("D" if isDouble else "S")
        fcvtFpHFpIop = InstObjParams("fcvt", instName, "FpRegRegOp",
                                     { "code": code,
                                       "op_class": "FloatCvtOp" }, [])
        header_output  += FpRegRegOpDeclare.subst(fcvtFpHFpIop);
        decoder_output += AA64FpRegRegOpConstructor.subst(fcvtFpHFpIop);
        exec_output    += BasicExecute.subst(fcvtFpHFpIop);

    # single or double precision to Half precision conversion
    for isDouble in True, False:
        code = vfp64EnabledCheckCode + '''
            FPSCR fpscr = (FPSCR) FpscrExc;
            %s;
            AA64FpDestP0_uw = fplibConvert<uint%s_t, uint16_t>(cOp1,
                FPCRRounding(fpscr), fpscr);
            AA64FpDestP1_uw = 0;
            AA64FpDestP2_uw = 0;
            AA64FpDestP3_uw = 0;
            FpscrExc = fpscr;
        ''' % ("uint64_t cOp1 = AA64FpOp1P0_uw | (uint64_t)AA64FpOp1P1_uw << 32"
               if isDouble else "uint32_t cOp1 = AA64FpOp1P0_uw",
               "64" if isDouble else "32")

        instName = "FcvtFp%sFpH" %("D" if isDouble else "S")
        fcvtFpFpHIop = InstObjParams("fcvt", instName, "FpRegRegOp",
                                     { "code": code,
                                       "op_class": "FloatCvtOp" }, [])
        header_output  += FpRegRegOpDeclare.subst(fcvtFpFpHIop);
        decoder_output += AA64FpRegRegOpConstructor.subst(fcvtFpFpHIop);
        exec_output    += BasicExecute.subst(fcvtFpFpHIop);

    # Build the various versions of the floating point compare instructions
    def buildFCmpOp(isQuiet, isDouble, isImm):
        global header_output, decoder_output, exec_output

        fcmpCode = vfp64EnabledCheckCode + '''
            FPSCR fpscr = (FPSCR) FpscrExc;
            %s cOp1 = %s;
        ''' % ("uint64_t" if isDouble else "uint32_t",
               "AA64FpDestP0_uw | (uint64_t)AA64FpDestP1_uw << 32"
               if isDouble else "AA64FpDestP0_uw")
        if isImm:
            fcmpCode += '''
                %s cOp2 = imm;
            ''' % ("uint64_t" if isDouble else "uint32_t")
        else:
            fcmpCode += '''
                %s cOp2  = %s;
            ''' % ("uint64_t" if isDouble else "uint32_t",
                   "AA64FpOp1P0_uw | (uint64_t)AA64FpOp1P1_uw << 32"
                   if isDouble else "AA64FpOp1P0_uw")
        fcmpCode += '''
            int cc = fplibCompare<uint%s_t>(cOp1, cOp2, %s, fpscr);
            CondCodesNZ = cc >> 2 & 3;
            CondCodesC = cc >> 1 & 1;
            CondCodesV = cc & 1;
            FpCondCodes = fpscr & FpCondCodesMask;
            FpscrExc    = fpscr;
        ''' % ("64" if isDouble else "32", "false" if isQuiet else "true")

        typeName = "Imm" if isImm else "Reg"
        instName = "FCmp%s%s%s" %(""  if isQuiet  else "E", typeName,
                                  "D" if isDouble else "S")
        fcmpIop = InstObjParams("fcmp%s" %(""  if isQuiet else "e"), instName,
                                "FpReg%sOp" %(typeName),
                               {"code":     fcmpCode,
                                "op_class": "FloatCmpOp"}, [])

        declareTemp     = eval("FpReg%sOpDeclare"         %(typeName));
        constructorTemp = eval("AA64FpReg%sOpConstructor" %(typeName));
        header_output  += declareTemp.subst(fcmpIop);
        decoder_output += constructorTemp.subst(fcmpIop);
        exec_output    += BasicExecute.subst(fcmpIop);

    for isQuiet in True, False:
        for isDouble in True, False:
            for isImm in True, False:
                buildFCmpOp(isQuiet, isDouble, isImm)

    # Build the various versions of the conditional floating point compare
    # instructions
    def buildFCCmpOp(isQuiet, isDouble):
        global header_output, decoder_output, exec_output

        fccmpCode = vfp64EnabledCheckCode + '''
            FPSCR fpscr = (FPSCR) FpscrExc;
            if (testPredicate(CondCodesNZ, CondCodesC, CondCodesV, condCode)) {
                %s cOp1 = %s;
                %s cOp2 = %s;
                int cc = fplibCompare<uint%s_t>(cOp1, cOp2, %s, fpscr);
                CondCodesNZ = cc >> 2 & 3;
                CondCodesC = cc >> 1 & 1;
                CondCodesV = cc & 1;
            } else {
                CondCodesNZ = (defCc >> 2) & 0x3;
                CondCodesC  = (defCc >> 1) & 0x1;
                CondCodesV  = defCc & 0x1;
            }
            FpCondCodes = fpscr & FpCondCodesMask;
            FpscrExc    = fpscr;
        ''' % ("uint64_t" if isDouble else "uint32_t",
               "AA64FpOp1P0_uw | (uint64_t)AA64FpOp1P1_uw << 32"
               if isDouble else "AA64FpOp1P0_uw",
               "uint64_t" if isDouble else "uint32_t",
               "AA64FpOp2P0_uw | (uint64_t)AA64FpOp2P1_uw << 32"
               if isDouble else "AA64FpOp2P0_uw",
               "64" if isDouble else "32", "false" if isQuiet else "true")

        instName = "FCCmp%sReg%s" %(""  if isQuiet  else "E",
                                    "D" if isDouble else "S")
        fccmpIop = InstObjParams("fccmp%s" %(""  if isQuiet  else "e"),
                                 instName, "FpCondCompRegOp",
                                {"code":           fccmpCode,
                                 "op_class":       "FloatCmpOp"}, [])
        header_output  += DataXCondCompRegDeclare.subst(fccmpIop);
        decoder_output += DataXCondCompRegConstructor.subst(fccmpIop);
        exec_output    += BasicExecute.subst(fccmpIop);

    for isQuiet in True, False:
        for isDouble in True, False:
            buildFCCmpOp(isQuiet, isDouble)

}};

let {{

    header_output = ""
    decoder_output = ""
    exec_output = ""

    # Generates the variants of the floating to fixed point instructions
    def buildFpCvtFixedOp(isSigned, isDouble, isXReg):
        global header_output, decoder_output, exec_output

        fcvtFpFixedCode = vfp64EnabledCheckCode + '''
            FPSCR fpscr = (FPSCR) FpscrExc;
        '''
        if isDouble:
            fcvtFpFixedCode += '''
                uint64_t cOp1 = AA64FpOp1P0_uw | (uint64_t)AA64FpOp1P1_uw << 32;
            '''
        else:
            fcvtFpFixedCode += "uint32_t cOp1 = AA64FpOp1P0_uw;"
        fcvtFpFixedCode += '''
            %sDest = fplibFPToFixed<uint%s_t, uint%s_t>(cOp1, 64 - imm, %s,
                FPRounding_ZERO, fpscr);
            FpscrExc = fpscr;
        ''' %("X"      if isXReg   else "W",
              "64"     if isDouble else "32",
              "64"     if isXReg   else "32",
              "false"  if isSigned else "true")

        instName = "FcvtFp%sFixed%s%s" %("S" if isSigned else "U",
                                         "D" if isDouble else "S",
                                         "X" if isXReg   else "W")
        mnem = "fcvtz%s" %("s" if isSigned else "u")
        fcvtFpFixedIop = InstObjParams(mnem, instName, "FpRegRegImmOp",
                                       { "code": fcvtFpFixedCode,
                                         "op_class": "FloatCvtOp" }, [])
        header_output  += FpRegRegImmOpDeclare.subst(fcvtFpFixedIop);
        decoder_output += AA64FpRegRegImmOpConstructor.subst(fcvtFpFixedIop);
        exec_output    += BasicExecute.subst(fcvtFpFixedIop);

    # Generates the variants of the fixed to floating point instructions
    def buildFixedCvtFpOp(isSigned, isDouble, isXReg):
        global header_output, decoder_output, exec_output

        srcRegType = "X" if isXReg   else "W"
        fcvtFixedFpCode = vfp64EnabledCheckCode + '''
            FPSCR fpscr = (FPSCR) FpscrExc;
            %s result = fplibFixedToFP<uint%s_t>((%s%s_t)%sOp1, 64 - imm,
                %s, FPCRRounding(fpscr), fpscr);
        ''' %("uint64_t" if isDouble else "uint32_t",
              "64" if isDouble else "32",
              "int" if isSigned else "uint", "64" if isXReg else "32",
              srcRegType,
              "false" if isSigned else "true")
        if isDouble:
            fcvtFixedFpCode += '''
                AA64FpDestP0_uw = result;
                AA64FpDestP1_uw = result >> 32;
            '''
        else:
            fcvtFixedFpCode += '''
                AA64FpDestP0_uw = result;
                AA64FpDestP1_uw = 0;
            '''
        fcvtFixedFpCode += '''
            AA64FpDestP2_uw = 0;
            AA64FpDestP3_uw = 0;
            FpscrExc = fpscr;
        '''

        instName = "Fcvt%sFixedFp%s%s" %("S" if isSigned else "U",
                                         "D" if isDouble else "S",
                                         srcRegType)
        mnem = "%scvtf" %("s" if isSigned else "u")
        fcvtFixedFpIop = InstObjParams(mnem, instName, "FpRegRegImmOp",
                                       { "code":     fcvtFixedFpCode,
                                         "op_class": "FloatCvtOp" }, [])
        header_output  += FpRegRegImmOpDeclare.subst(fcvtFixedFpIop);
        decoder_output += FpRegRegImmOpConstructor.subst(fcvtFixedFpIop);
        exec_output    += BasicExecute.subst(fcvtFixedFpIop);

    # loop over the variants building the instructions for each
    for isXReg in True, False:
        for isDouble in True, False:
            for isSigned in True, False:
                buildFpCvtFixedOp(isSigned, isDouble, isXReg)
                buildFixedCvtFpOp(isSigned, isDouble, isXReg)
}};

let {{

    header_output  = ""
    decoder_output = ""
    exec_output    = ""

    for isDouble in True, False:
        code = '''
            if (testPredicate(CondCodesNZ, CondCodesC, CondCodesV, condCode)) {
                AA64FpDestP0_uw = AA64FpOp1P0_uw;
        '''
        if isDouble:
            code += '''
                    AA64FpDestP1_uw = AA64FpOp1P1_uw;
                } else {
                    AA64FpDestP0_uw = AA64FpOp2P0_uw;
                    AA64FpDestP1_uw = AA64FpOp2P1_uw;
                }
            '''
        else:
            code += '''
                } else {
                    AA64FpDestP0_uw = AA64FpOp2P0_uw;
                }
                AA64FpDestP1_uw = 0;
            '''
        code += '''
            AA64FpDestP2_uw = 0;
            AA64FpDestP3_uw = 0;
        '''

        iop = InstObjParams("fcsel", "FCSel%s" %("D" if isDouble else "S"),
                            "FpCondSelOp", { "code":     code,
                                             "op_class": "FloatCvtOp" })
        header_output  += DataXCondSelDeclare.subst(iop)
        decoder_output += DataXCondSelConstructor.subst(iop)
        exec_output    += BasicExecute.subst(iop)
}};