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Member "mesa-20.1.8/src/gallium/drivers/r600/sfn/sfn_instruction_cf.h" (16 Sep 2020, 3697 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    1 /* -*- mesa-c++  -*-
    2  *
    3  * Copyright (c) 2018-2019 Collabora LTD
    4  *
    5  * Author: Gert Wollny <gert.wollny@collabora.com>
    6  *
    7  * Permission is hereby granted, free of charge, to any person obtaining a
    8  * copy of this software and associated documentation files (the "Software"),
    9  * to deal in the Software without restriction, including without limitation
   10  * on the rights to use, copy, modify, merge, publish, distribute, sub
   11  * license, and/or sell copies of the Software, and to permit persons to whom
   12  * the Software is furnished to do so, subject to the following conditions:
   13  *
   14  * The above copyright notice and this permission notice (including the next
   15  * paragraph) shall be included in all copies or substantial portions of the
   16  * Software.
   17  *
   18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
   21  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
   22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
   23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
   24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
   25  */
   26 
   27 #ifndef SFN_IFELSEINSTRUCTION_H
   28 #define SFN_IFELSEINSTRUCTION_H
   29 
   30 #include "sfn_instruction_alu.h"
   31 
   32 namespace r600  {
   33 
   34 class CFInstruction : public Instruction {
   35 protected:
   36    CFInstruction(instr_type type);
   37 };
   38 
   39 class IfElseInstruction : public CFInstruction {
   40 public:
   41    IfElseInstruction(instr_type type);
   42 };
   43 
   44 class IfInstruction : public IfElseInstruction {
   45 public:
   46    IfInstruction(AluInstruction *pred);
   47    const AluInstruction& pred() const {return *m_pred;}
   48 private:
   49    void do_evalue_liveness(LiverangeEvaluator& eval) const override;
   50    bool is_equal_to(const Instruction& lhs) const override;
   51    void do_print(std::ostream& os) const override;
   52    std::shared_ptr<AluInstruction> m_pred;
   53 };
   54 
   55 class ElseInstruction : public IfElseInstruction {
   56 public:
   57    ElseInstruction(IfInstruction *jump_src);
   58 private:
   59    void do_evalue_liveness(LiverangeEvaluator& eval) const override;
   60    bool is_equal_to(const Instruction& lhs) const override;
   61    void do_print(std::ostream& os) const override;
   62 
   63    IfElseInstruction *m_jump_src;
   64 };
   65 
   66 class IfElseEndInstruction : public IfElseInstruction {
   67 public:
   68    IfElseEndInstruction();
   69 private:
   70    void do_evalue_liveness(LiverangeEvaluator& eval) const override;
   71    bool is_equal_to(const Instruction& lhs) const override;
   72    void do_print(std::ostream& os) const override;
   73 };
   74 
   75 class LoopBeginInstruction: public CFInstruction {
   76 public:
   77    LoopBeginInstruction();
   78 private:
   79    void do_evalue_liveness(LiverangeEvaluator& eval) const override;
   80    bool is_equal_to(const Instruction& lhs) const override;
   81    void do_print(std::ostream& os) const override;
   82 };
   83 
   84 class LoopEndInstruction: public CFInstruction {
   85 public:
   86    LoopEndInstruction(LoopBeginInstruction *start);
   87 private:
   88    void do_evalue_liveness(LiverangeEvaluator& eval) const override;
   89    bool is_equal_to(const Instruction& lhs) const override;
   90    void do_print(std::ostream& os) const override;
   91    LoopBeginInstruction *m_start;
   92 };
   93 
   94 class LoopBreakInstruction: public CFInstruction {
   95 public:
   96    LoopBreakInstruction();
   97 private:
   98    void do_evalue_liveness(LiverangeEvaluator& eval) const override;
   99    bool is_equal_to(const Instruction& lhs) const override;
  100    void do_print(std::ostream& os) const override;
  101 };
  102 
  103 class LoopContInstruction: public CFInstruction {
  104 public:
  105    LoopContInstruction();
  106 private:
  107    bool is_equal_to(const Instruction& lhs) const override;
  108    void do_print(std::ostream& os) const override;
  109 };
  110 
  111 }
  112 
  113 #endif // SFN_IFELSEINSTRUCTION_H