src/gallium/drivers/nouveau/codegen/nv50_ir_target_nv50.h

   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 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                                 const struct nv50_ir_prog_info_out *);
  47
  48    virtual bool insnCanLoad(const Instruction *insn, int s,
  49                             const Instruction *ld) const;
  50    virtual bool insnCanLoadOffset(const Instruction *insn, int s,
  51                                   int offset) const;
  52    virtual bool isOpSupported(operation, DataType) const;
  53    virtual bool isAccessSupported(DataFile, DataType) const;
  54    virtual bool isModSupported(const Instruction *, int s, Modifier) const;
  55    virtual bool isSatSupported(const Instruction *) const;
  56    virtual bool mayPredicate(const Instruction *, const Value *) const;
  57
  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    uint16_t sysvalLocation[SV_LAST + 1];
  72    uint8_t wposMask;
  73 };
  74
  75 } // namespace nv50_ir