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

// Copyright (c) 2006 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.
//
// Authors: Korey Sewell

def operand_types {{
    'sb' : ('signed int', 8),
    'ub' : ('unsigned int', 8),
    'sh' : ('signed int', 16),
    'uh' : ('unsigned int', 16),
    'sw' : ('signed int', 32),
    'uw' : ('unsigned int', 32),
    'sd' : ('signed int', 64),
    'ud' : ('unsigned int', 64),
    'sf' : ('float', 32),
    'df' : ('float', 64),
    'qf' : ('float', 128)
}};

def operands {{
    #General Purpose Integer Reg Operands
    'Rd': ('IntReg', 'uw', 'RD', 'IsInteger', 1),
    'Rs': ('IntReg', 'uw', 'RS', 'IsInteger', 2),
    'Rt': ('IntReg', 'uw', 'RT', 'IsInteger', 3),

    #Operands used for Link or Syscall Insts
    'R31': ('IntReg', 'uw','31','IsInteger', 4),
    'R2':  ('IntReg', 'uw','2', 'IsInteger', 5),

    #Special Integer Reg operands
    'HI':  ('IntReg', 'uw','MipsISA::HI', 'IsInteger', 6),
    'LO':  ('IntReg', 'uw','MipsISA::LO', 'IsInteger', 7),

    #Immediate Value operand
    'IntImm': ('IntReg', 'uw', 'INTIMM', 'IsInteger', 3),

    #Floating Point Reg Operands
    'Fd': ('FloatReg', 'sf', 'FD', 'IsFloating', 1),
    'Fs': ('FloatReg', 'sf', 'FS', 'IsFloating', 2),
    'Ft': ('FloatReg', 'sf', 'FT', 'IsFloating', 3),
    'Fr': ('FloatReg', 'sf', 'FR', 'IsFloating', 3),

    #Special Floating Point Control Reg Operands
    'FIR':  ('FloatReg', 'uw', 'MipsISA::FIR', 'IsFloating', 1),
    'FCCR': ('FloatReg', 'uw', 'MipsISA::FCCR', 'IsFloating', 2),
    'FEXR': ('FloatReg', 'uw', 'MipsISA::FEXR', 'IsFloating', 3),
    'FENR': ('FloatReg', 'uw', 'MipsISA::FENR', 'IsFloating', 3),
    'FCSR': ('FloatReg', 'uw', 'MipsISA::FCSR', 'IsFloating', 3),

     #Operands For Paired Singles FP Operations
    'Fd1': ('FloatReg', 'sf', 'FD', 'IsFloating', 4),
    'Fd2': ('FloatReg', 'sf', 'FD+1', 'IsFloating', 4),
    'Fs1': ('FloatReg', 'sf', 'FS', 'IsFloating', 5),
    'Fs2': ('FloatReg', 'sf', 'FS+1', 'IsFloating', 5),
    'Ft1': ('FloatReg', 'sf', 'FT', 'IsFloating', 6),
    'Ft2': ('FloatReg', 'sf', 'FT+1', 'IsFloating', 6),
    'Fr1': ('FloatReg', 'sf', 'FR', 'IsFloating', 7),
    'Fr2': ('FloatReg', 'sf', 'FR+1', 'IsFloating', 7),

    #Memory Operand
    'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4),

    #Program Counter Operands
    'NPC': ('NPC', 'uw', None, ( None, None, 'IsControl' ), 4),
    'NNPC':('NNPC', 'uw', None, ( None, None, 'IsControl' ), 4)
}};