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  1. /*
  2.  * Copyright 2011 Christoph Bumiller
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice shall be included in
  12.  * all copies or substantial portions of the Software.
  13.  *
  14.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20.  * OTHER DEALINGS IN THE SOFTWARE.
  21.  */
  22.  
  23. #include "nv50/codegen/nv50_ir_target.h"
  24.  
  25. namespace nv50_ir {
  26.  
  27. #define NVC0_BUILTIN_DIV_U32 0
  28. #define NVC0_BUILTIN_DIV_S32 1
  29. #define NVC0_BUILTIN_RCP_F64 2
  30. #define NVC0_BUILTIN_RSQ_F64 3
  31.  
  32. #define NVC0_BUILTIN_COUNT 4
  33.  
  34. class TargetNVC0 : public Target
  35. {
  36. public:
  37.    TargetNVC0(unsigned int chipset);
  38.  
  39.    virtual CodeEmitter *getCodeEmitter(Program::Type);
  40.  
  41.    CodeEmitter *createCodeEmitterNVC0(Program::Type);
  42.    CodeEmitter *createCodeEmitterGK110(Program::Type);
  43.  
  44.    virtual bool runLegalizePass(Program *, CGStage stage) const;
  45.  
  46.    virtual void getBuiltinCode(const uint32_t **code, uint32_t *size) const;
  47.  
  48.    virtual bool insnCanLoad(const Instruction *insn, int s,
  49.                             const Instruction *ld) const;
  50.    virtual bool isOpSupported(operation, DataType) const;
  51.    virtual bool isAccessSupported(DataFile, DataType) const;
  52.    virtual bool isModSupported(const Instruction *, int s, Modifier) const;
  53.    virtual bool isSatSupported(const Instruction *) const;
  54.    virtual bool isPostMultiplySupported(operation, float, int& e) const;
  55.    virtual bool mayPredicate(const Instruction *, const Value *) const;
  56.  
  57.    virtual bool canDualIssue(const Instruction *, const Instruction *) const;
  58.    virtual int getLatency(const Instruction *) const;
  59.    virtual int getThroughput(const Instruction *) const;
  60.  
  61.    virtual unsigned int getFileSize(DataFile) const;
  62.    virtual unsigned int getFileUnit(DataFile) const;
  63.  
  64.    virtual uint32_t getSVAddress(DataFile shaderFile, const Symbol *sv) const;
  65.  
  66.    uint32_t getBuiltinOffset(int builtin) const;
  67.  
  68. private:
  69.    void initOpInfo();
  70. };
  71.  
  72. bool calculateSchedDataNVC0(const Target *, Function *);
  73.  
  74. } // namespace nv50_ir
  75.