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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