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/* -*- mesa-c++ -*-
*
* Copyright (c) 2018-2019 Collabora LTD
*
* Author: Gert Wollny <gert.wollny@collabora.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef sfn_r600_instr_h
#define sfn_r600_instr_h
#include "sfn_value_gpr.h"
#include "sfn_defines.h"
#include "gallium/drivers/r600/r600_isa.h"
#include <iostream>
#include <memory>
#include <vector>
#include <set>
namespace r600 {
struct rename_reg_pair {
bool valid;
bool used;
int new_reg;
};
class LiverangeEvaluator;
class ValueMap;
class ValueRemapper {
public:
ValueRemapper(std::vector<rename_reg_pair>& m,
ValueMap& values);
void remap(PValue& v);
void remap(GPRVector& v);
private:
PValue remap_one_registers(PValue& reg);
std::vector<rename_reg_pair>& m_map;
ValueMap& m_values;
};
using OutputRegisterMap = std::map<unsigned, const GPRVector *>;
class Instruction {
public:
enum instr_type {
alu,
exprt,
tex,
vtx,
wait_ack,
cond_if,
cond_else,
cond_endif,
lds_read,
lds_write,
loop_begin,
loop_end,
loop_break,
loop_continue,
phi,
streamout,
ring,
emit_vtx,
mem_wr_scratch,
gds,
rat,
tf_write,
block,
unknown
};
typedef std::shared_ptr<Instruction> Pointer;
friend bool operator == (const Instruction& lhs, const Instruction& rhs);
Instruction(instr_type t);
virtual ~Instruction();
instr_type type() const { return m_type;}
void print(std::ostream& os) const;
virtual void replace_values(const ValueSet& candiates, PValue new_value);
void evalue_liveness(LiverangeEvaluator& eval) const;
void remap_registers(ValueRemapper& map);
protected:
void add_remappable_src_value(PValue *v);
void add_remappable_src_value(GPRVector *v);
void add_remappable_dst_value(PValue *v);
void add_remappable_dst_value(GPRVector *v);
private:
virtual void do_evalue_liveness(LiverangeEvaluator& eval) const;
virtual bool is_equal_to(const Instruction& lhs) const = 0;
instr_type m_type;
virtual void do_print(std::ostream& os) const = 0;
std::vector<PValue*> m_mappable_src_registers;
std::vector<GPRVector*> m_mappable_src_vectors;
std::vector<PValue*> m_mappable_dst_registers;
std::vector<GPRVector*> m_mappable_dst_vectors;
};
using PInstruction=Instruction::Pointer;
inline std::ostream& operator << (std::ostream& os, const Instruction& instr)
{
instr.print(os);
return os;
}
bool operator == (const Instruction& lhs, const Instruction& rhs);
}
#endif
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