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/*
* Copyright © 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* \file gen9_context.hpp
*/
#ifndef __GBE_gen9_CONTEXT_HPP__
#define __GBE_gen9_CONTEXT_HPP__
#include "backend/gen8_context.hpp"
#include "backend/gen9_encoder.hpp"
namespace gbe
{
/* This class is used to implement the skylake
specific logic for context. */
class Gen9Context : public Gen8Context
{
public:
virtual ~Gen9Context(void) { };
Gen9Context(const ir::Unit &unit, const std::string &name, uint32_t deviceID, bool relaxMath = false)
: Gen8Context(unit, name, deviceID, relaxMath) {
};
virtual void emitBarrierInstruction(const SelectionInstruction &insn);
virtual void emitImeInstruction(const SelectionInstruction &insn);
protected:
virtual GenEncoder* generateEncoder(void) {
return GBE_NEW(Gen9Encoder, this->simdWidth, 9, deviceID);
}
private:
virtual void newSelection(void);
};
//most code of BxtContext are copied from ChvContext, it results in two physical copy of the same code.
//there are two possible ways to resolve it: 1) virtual inheritance 2) class template
//but either way makes BxtContext and ChvContext tied closely, it might impact the flexibility of future changes
//so, choose the method of two physical copies.
class BxtContext : public Gen9Context
{
public:
virtual ~BxtContext(void) { }
BxtContext(const ir::Unit &unit, const std::string &name, uint32_t deviceID, bool relaxMath = false)
: Gen9Context(unit, name, deviceID, relaxMath) {
};
virtual void emitI64MULInstruction(const SelectionInstruction &insn);
protected:
virtual void setA0Content(uint16_t new_a0[16], uint16_t max_offset = 0, int sz = 0);
private:
virtual void newSelection(void);
virtual void calculateFullU64MUL(GenRegister src0, GenRegister src1, GenRegister dst_h,
GenRegister dst_l, GenRegister s0l_s1h, GenRegister s0h_s1l);
virtual void emitStackPointer(void);
};
/* This class is used to implement the kabylake
specific logic for context. */
class KblContext : public Gen9Context
{
public:
virtual ~KblContext(void) { };
KblContext(const ir::Unit &unit, const std::string &name, uint32_t deviceID, bool relaxMath = false)
: Gen9Context(unit, name, deviceID, relaxMath) {
};
private:
virtual void newSelection(void);
};
/* This class is used to implement the geminilake
specific logic for context. */
class GlkContext : public BxtContext
{
public:
virtual ~GlkContext(void) { };
GlkContext(const ir::Unit &unit, const std::string &name, uint32_t deviceID, bool relaxMath = false)
: BxtContext(unit, name, deviceID, relaxMath) {
};
private:
virtual void newSelection(void);
};
}
#endif /* __GBE_GEN9_CONTEXT_HPP__ */
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