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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 "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    virtual uint32_t getBuiltinOffset(int builtin) const;
     48 
     49    virtual bool insnCanLoad(const Instruction *insn, int s,
     50                             const Instruction *ld) const;
     51    virtual bool insnCanLoadOffset(const Instruction *insn, int s,
     52                                   int offset) const;
     53    virtual bool isOpSupported(operation, DataType) const;
     54    virtual bool isAccessSupported(DataFile, DataType) const;
     55    virtual bool isModSupported(const Instruction *, int s, Modifier) const;
     56    virtual bool isSatSupported(const Instruction *) const;
     57    virtual bool isPostMultiplySupported(operation, float, int& e) const;
     58    virtual bool mayPredicate(const Instruction *, const Value *) const;
     59 
     60    virtual bool canDualIssue(const Instruction *, const Instruction *) const;
     61    virtual int getLatency(const Instruction *) const;
     62    virtual int getThroughput(const Instruction *) const;
     63 
     64    virtual unsigned int getFileSize(DataFile) const;
     65    virtual unsigned int getFileUnit(DataFile) const;
     66 
     67    virtual uint32_t getSVAddress(DataFile shaderFile, const Symbol *sv) const;
     68 
     69 private:
     70    void initOpInfo();
     71 };
     72 
     73 bool calculateSchedDataNVC0(const Target *, Function *);
     74 
     75 } // namespace nv50_ir
     76