82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
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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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