mesa/src/gallium/drivers/r600/sfn/sfn_instr_controlflow.h

108 lines
3.0 KiB
C++

/* -*- mesa-c++ -*-
*
* Copyright (c) 2022 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 CONTROLFLOWINSTR_H
#define CONTROLFLOWINSTR_H
#include "sfn_instr_alu.h"
namespace r600 {
class ControlFlowInstr : public Instr
{
public:
enum CFType {
cf_else,
cf_endif,
cf_loop_begin,
cf_loop_end,
cf_loop_break,
cf_loop_continue,
cf_stream_write,
cf_wait_ack
};
ControlFlowInstr(CFType type);
ControlFlowInstr(const ControlFlowInstr& orig) = default;
bool is_equal_to(const ControlFlowInstr& lhs) const;
void accept(ConstInstrVisitor& visitor) const override;
void accept(InstrVisitor& visitor) override;
CFType cf_type() const { return m_type;}
int nesting_corr() const override;
static Instr::Pointer from_string(std::string type_str);
bool end_block() const override { return true;}
int nesting_offset() const override;
private:
bool do_ready() const override;
void do_print(std::ostream& os) const override;
CFType m_type;
};
class IfInstr : public Instr {
public:
IfInstr(AluInstr *pred);
IfInstr(const IfInstr& orig);
bool is_equal_to(const IfInstr& lhs) const;
void set_predicate(AluInstr *new_predicate);
AluInstr *predicate() const { return m_predicate; }
void accept(ConstInstrVisitor& visitor) const override;
void accept(InstrVisitor& visitor) override;
bool replace_source(PRegister old_src, PVirtualValue new_src) override;
static Instr::Pointer from_string(std::istream &is, ValueFactory& value_factory);
bool end_block() const override { return true;}
int nesting_offset() const override { return 1;}
private:
bool do_ready() const override;
void do_print(std::ostream& os) const override;
void forward_set_blockid(int id, int index) override;
void forward_set_scheduled() override;
AluInstr *m_predicate;
};
}
#endif // CONTROLFLOWINSTR_H