108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/* -*- mesa-c++ -*-
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*
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* Copyright (c) 2022 Collabora LTD
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*
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* Author: Gert Wollny <gert.wollny@collabora.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef CONTROLFLOWINSTR_H
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#define CONTROLFLOWINSTR_H
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#include "sfn_instr_alu.h"
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namespace r600 {
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class ControlFlowInstr : public Instr
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{
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public:
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enum CFType {
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cf_else,
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cf_endif,
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cf_loop_begin,
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cf_loop_end,
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cf_loop_break,
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cf_loop_continue,
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cf_stream_write,
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cf_wait_ack
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};
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ControlFlowInstr(CFType type);
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ControlFlowInstr(const ControlFlowInstr& orig) = default;
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bool is_equal_to(const ControlFlowInstr& lhs) const;
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void accept(ConstInstrVisitor& visitor) const override;
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void accept(InstrVisitor& visitor) override;
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CFType cf_type() const { return m_type;}
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int nesting_corr() const override;
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static Instr::Pointer from_string(std::string type_str);
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bool end_block() const override { return true;}
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int nesting_offset() const override;
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private:
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bool do_ready() const override;
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void do_print(std::ostream& os) const override;
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CFType m_type;
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};
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class IfInstr : public Instr {
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public:
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IfInstr(AluInstr *pred);
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IfInstr(const IfInstr& orig);
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bool is_equal_to(const IfInstr& lhs) const;
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void set_predicate(AluInstr *new_predicate);
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AluInstr *predicate() const { return m_predicate; }
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void accept(ConstInstrVisitor& visitor) const override;
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void accept(InstrVisitor& visitor) override;
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bool replace_source(PRegister old_src, PVirtualValue new_src) override;
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static Instr::Pointer from_string(std::istream &is, ValueFactory& value_factory);
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bool end_block() const override { return true;}
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int nesting_offset() const override { return 1;}
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private:
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bool do_ready() const override;
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void do_print(std::ostream& os) const override;
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void forward_set_blockid(int id, int index) override;
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void forward_set_scheduled() override;
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AluInstr *m_predicate;
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};
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}
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#endif // CONTROLFLOWINSTR_H
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