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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 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 gen8_context.hpp
*/
#ifndef __GBE_GEN8_ENCODER_HPP__
#define __GBE_GEN8_ENCODER_HPP__
#include "backend/gen_encoder.hpp"
namespace gbe
{
/* This class is used to implement the HSW
specific logic for encoder. */
class Gen8Encoder : public GenEncoder
{
public:
/*! exec width of the double data type */
#define GEN8_DOUBLE_EXEC_WIDTH 4
virtual ~Gen8Encoder(void) { }
Gen8Encoder(uint32_t simdWidth, uint32_t gen, uint32_t deviceID)
: GenEncoder(simdWidth, gen, deviceID) { }
/*! Jump indexed instruction */
virtual void JMPI(GenRegister src, bool longjmp = false);
/*! Patch JMPI/BRC/BRD (located at index insnID) with the given jump distance */
virtual void patchJMPI(uint32_t insnID, int32_t jip, int32_t uip);
/*! Get double/long exec width */
virtual int getDoubleExecWidth(void) { return GEN8_DOUBLE_EXEC_WIDTH; }
virtual void F16TO32(GenRegister dest, GenRegister src0);
virtual void F32TO16(GenRegister dest, GenRegister src0);
virtual void MOV_DF(GenRegister dest, GenRegister src0, GenRegister tmp = GenRegister::null());
virtual void LOAD_DF_IMM(GenRegister dest, GenRegister tmp, double value);
virtual void ATOMIC(GenRegister dst, uint32_t function, GenRegister src, uint32_t bti, uint32_t srcNum);
virtual void UNTYPED_READ(GenRegister dst, GenRegister src, uint32_t bti, uint32_t elemNum);
virtual void UNTYPED_WRITE(GenRegister src, uint32_t bti, uint32_t elemNum);
virtual void setHeader(GenNativeInstruction *insn);
virtual void setDPUntypedRW(GenNativeInstruction *insn, uint32_t bti, uint32_t rgba,
uint32_t msg_type, uint32_t msg_length, uint32_t response_length);
virtual void setTypedWriteMessage(GenNativeInstruction *insn, unsigned char bti,
unsigned char msg_type, uint32_t msg_length,
bool header_present);
virtual void setDst(GenNativeInstruction *insn, GenRegister dest);
virtual void setSrc0(GenNativeInstruction *insn, GenRegister reg);
virtual void setSrc1(GenNativeInstruction *insn, GenRegister reg);
virtual bool disableCompact() { return true; }
virtual void alu3(uint32_t opcode, GenRegister dst,
GenRegister src0, GenRegister src1, GenRegister src2);
};
}
#endif /* __GBE_GEN8_ENCODER_HPP__ */
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