173 lines
6.5 KiB
Plaintext
173 lines
6.5 KiB
Plaintext
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// -*- mode:c++ -*-
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// Copyright (c) 2007 The Hewlett-Packard Development Company
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// All rights reserved.
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//
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// Redistribution and use of this software in source and binary forms,
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// with or without modification, are permitted provided that the
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// following conditions are met:
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//
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// The software must be used only for Non-Commercial Use which means any
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// use which is NOT directed to receiving any direct monetary
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// compensation for, or commercial advantage from such use. Illustrative
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// examples of non-commercial use are academic research, personal study,
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// teaching, education and corporate research & development.
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// Illustrative examples of commercial use are distributing products for
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// commercial advantage and providing services using the software for
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// commercial advantage.
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//
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// If you wish to use this software or functionality therein that may be
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// covered by patents for commercial use, please contact:
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// Director of Intellectual Property Licensing
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// Office of Strategy and Technology
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// Hewlett-Packard Company
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// 1501 Page Mill Road
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// Palo Alto, California 94304
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//
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// Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer. Redistributions
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// in binary form must reproduce the above copyright notice, this list of
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// conditions and the following disclaimer in the documentation and/or
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// other materials provided with the distribution. Neither the name of
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// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission. No right of
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// sublicense is granted herewith. Derivatives of the software and
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// output created using the software may be prepared, but only for
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// Non-Commercial Uses. Derivatives of the software may be shared with
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// others provided: (i) the others agree to abide by the list of
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// conditions herein which includes the Non-Commercial Use restrictions;
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// and (ii) such Derivatives of the software include the above copyright
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// notice to acknowledge the contribution from this software where
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// applicable, this list of conditions and the disclaimer below.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Authors: Gabe Black
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//The operand types a microop template can be specialized with
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output header {{
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enum OperandType {
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RegisterOperand,
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ImmediateOperand
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};
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}};
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//A class which is the base of all x86 micro ops it provides a function to
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//set necessary flags appropriately.
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output header {{
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class X86MicroOpBase : public X86StaticInst
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{
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protected:
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X86MicroOpBase(bool isMicro, bool isDelayed,
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bool isFirst, bool isLast,
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const char *mnem, ExtMachInst _machInst,
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OpClass __opClass) :
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X86StaticInst(mnem, _machInst, __opClass)
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{
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flags[IsMicroOp] = isMicro;
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flags[IsDelayedCommit] = isDelayed;
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flags[IsFirstMicroOp] = isFirst;
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flags[IsLastMicroOp] = isLast;
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}
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};
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}};
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// This sets up a class which is templated on the type of
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// arguments a particular flavor of a microcode instruction
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// can accept. It's parameters are specialized to create polymorphic
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// behavior in microops.
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def template BaseMicroOpTemplateDeclare {{
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template%(signature)s
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class %(class_name)s;
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}};
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let {{
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def buildBaseMicroOpTemplate(Name, numParams):
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signature = "<"
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signature += "int SignatureOperandTypeSpecifier0"
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for count in xrange(1,numParams):
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signature += \
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", int SingatureOperandTypeSpecifier%d" % count
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signature += ">"
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subs = {"signature" : signature, "class_name" : Name}
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return BaseMicroOpTemplateDeclare.subst(subs)
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RegOpType = "RegisterOperand"
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ImmOpType = "ImmediateOperand"
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def buildMicroOpTemplateDict(*params):
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signature = "<"
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if len(params):
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signature += params[0]
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if len(params) > 1:
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for param in params[1:]:
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signature += ", %s" % param
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signature += ">"
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subs = {"param_dec" : "", "param_arg_dec" : "",
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"param_init" : "", "signature" : signature}
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for count in xrange(len(params)):
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subs["param_dec"] += "uint64_t param%d;\n" % count
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subs["param_arg_dec"] += ", uint64_t _param%d" % count
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subs["param_init"] += ", param%d(_param%d)" % (count, count)
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return subs
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}};
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// A tmeplate for building a specialized version of the microcode
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// instruction which knows specifies which arguments it wants
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def template MicroOpDeclare {{
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template<>
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class %(class_name)s%(signature)s : public X86MicroOpBase
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{
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protected:
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%(param_dec)s
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void buildMe();
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public:
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%(class_name)s(bool isMicro, bool isDelayed,
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bool isFirst, bool isLast,
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ExtMachInst _machInst %(param_arg_dec)s);
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%(class_name)s(ExtMachInst _machInst %(param_arg_dec)s);
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%(BasicExecDeclare)s
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};
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}};
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def template MicroOpConstructor {{
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inline void %(class_name)s%(signature)s::buildMe()
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{
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%(constructor)s;
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}
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inline %(class_name)s%(signature)s::%(class_name)s(
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ExtMachInst machInst %(param_arg_dec)s) :
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%(base_class)s(false, false, false, false,
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"%(mnemonic)s", machInst, %(op_class)s)
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%(param_init)s
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{
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buildMe();
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}
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inline %(class_name)s%(signature)s::%(class_name)s(
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bool isMicro, bool isDelayed, bool isFirst, bool isLast,
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ExtMachInst machInst %(param_arg_dec)s)
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: %(base_class)s(isMicro, isDelayed, isFirst, isLast,
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"%(mnemonic)s", machInst, %(op_class)s)
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%(param_init)s
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{
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buildMe();
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}
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}};
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