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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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
     19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     20  * 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 TargetNV50 : public Target
     35 {
     36 public:
     37    TargetNV50(unsigned int chipset);
     38 
     39    virtual CodeEmitter *getCodeEmitter(Program::Type);
     40 
     41    virtual bool runLegalizePass(Program *, CGStage stage) const;
     42 
     43    virtual void getBuiltinCode(const uint32_t **code, uint32_t *size) const;
     44 
     45    virtual void parseDriverInfo(const struct nv50_ir_prog_info *);
     46 
     47    virtual bool insnCanLoad(const Instruction *insn, int s,
     48                             const Instruction *ld) const;
     49    virtual bool isOpSupported(operation, DataType) const;
     50    virtual bool isAccessSupported(DataFile, DataType) const;
     51    virtual bool isModSupported(const Instruction *, int s, Modifier) const;
     52    virtual bool isSatSupported(const Instruction *) const;
     53    virtual bool mayPredicate(const Instruction *, const Value *) const;
     54 
     55    virtual int getLatency(const Instruction *) const;
     56    virtual int getThroughput(const Instruction *) const;
     57 
     58    virtual unsigned int getFileSize(DataFile) const;
     59    virtual unsigned int getFileUnit(DataFile) const;
     60 
     61    virtual uint32_t getSVAddress(DataFile shaderFile, const Symbol *sv) const;
     62 
     63    uint32_t getBuiltinOffset(int builtin) const;
     64 
     65 private:
     66    void initOpInfo();
     67 
     68    uint16_t sysvalLocation[SV_LAST + 1];
     69    uint8_t wposMask;
     70 };
     71 
     72 } // namespace nv50_ir
     73