673f8811ff3c19cfbb063b92f546a604874f9d1c
2 * Copyright 2011 Christoph Bumiller
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
23 #ifndef __NV50_IR_TARGET_H__
24 #define __NV50_IR_TARGET_H__
26 #include "codegen/nv50_ir.h"
47 inline void apply(uint32_t *binary
, const RelocInfo
*info
) const;
63 InterpEntry(int ipa
, int reg
, int loc
) : ipa(ipa
), reg(reg
), loc(loc
) {}
64 uint32_t ipa
:4; // SC mode used to identify colors
65 uint32_t reg
:8; // The reg used for perspective division
66 uint32_t loc
:20; // Let's hope we don't have more than 1M-sized shaders
69 typedef void (*InterpApply
)(const InterpEntry
*, uint32_t*, bool, bool);
81 CodeEmitter(const Target
*);
82 virtual ~CodeEmitter() { }
84 // returns whether the instruction was encodable and written
85 virtual bool emitInstruction(Instruction
*) = 0;
87 virtual uint32_t getMinEncodingSize(const Instruction
*) const = 0;
89 void setCodeLocation(void *, uint32_t size
);
90 inline void *getCodeLocation() const { return code
; }
91 inline uint32_t getCodeSize() const { return codeSize
; }
93 bool addReloc(RelocEntry::Type
, int w
, uint32_t data
, uint32_t m
,
96 inline void *getRelocInfo() const { return relocInfo
; }
98 bool addInterp(int ipa
, int reg
, InterpApply apply
);
99 inline void *getInterpInfo() const { return interpInfo
; }
101 virtual void prepareEmission(Program
*);
102 virtual void prepareEmission(Function
*);
103 virtual void prepareEmission(BasicBlock
*);
105 void printBinary() const;
112 uint32_t codeSizeLimit
;
114 RelocInfo
*relocInfo
;
115 InterpInfo
*interpInfo
;
131 OPCLASS_TEXTURE
= 10,
132 OPCLASS_SURFACE
= 11,
136 OPCLASS_BITFIELD
= 16,
137 OPCLASS_CONTROL
= 17,
144 Target(bool m
, bool j
, bool s
) : hasJoin(m
), joinAnterior(j
), hasSWSched(s
) { }
145 virtual ~Target() { }
147 static Target
*create(uint32_t chipset
);
148 static void destroy(Target
*);
150 // 0x50 and 0x84 to 0xaf for nv50
151 // 0xc0 to 0xdf for nvc0
152 inline uint32_t getChipset() const { return chipset
; }
154 virtual CodeEmitter
*getCodeEmitter(Program::Type
) = 0;
156 // Drivers should upload this so we can use it from all programs.
157 // The address chosen is supplied to the relocation routine.
158 virtual void getBuiltinCode(const uint32_t **code
, uint32_t *size
) const = 0;
160 virtual void parseDriverInfo(const struct nv50_ir_prog_info
*info
) { }
162 virtual bool runLegalizePass(Program
*, CGStage stage
) const = 0;
175 uint16_t srcFiles
[3];
177 unsigned int minEncSize
: 4;
178 unsigned int vector
: 1;
179 unsigned int predicate
: 1;
180 unsigned int commutative
: 1;
181 unsigned int pseudo
: 1;
182 unsigned int flow
: 1;
183 unsigned int hasDest
: 1;
184 unsigned int terminator
: 1;
187 inline const OpInfo
& getOpInfo(const Instruction
*) const;
188 inline const OpInfo
& getOpInfo(const operation
) const;
190 inline DataFile
nativeFile(DataFile f
) const;
192 virtual bool insnCanLoad(const Instruction
*insn
, int s
,
193 const Instruction
*ld
) const = 0;
194 virtual bool insnCanLoadOffset(const Instruction
*insn
, int s
,
195 int offset
) const { return true; }
196 virtual bool isOpSupported(operation
, DataType
) const = 0;
197 virtual bool isAccessSupported(DataFile
, DataType
) const = 0;
198 virtual bool isModSupported(const Instruction
*,
199 int s
, Modifier
) const = 0;
200 virtual bool isSatSupported(const Instruction
*) const = 0;
201 virtual bool isPostMultiplySupported(operation op
, float f
,
202 int& e
) const { return false; }
203 virtual bool mayPredicate(const Instruction
*,
204 const Value
*) const = 0;
206 // whether @insn can be issued together with @next (order matters)
207 virtual bool canDualIssue(const Instruction
*insn
,
208 const Instruction
*next
) const { return false; }
209 virtual int getLatency(const Instruction
*) const { return 1; }
210 virtual int getThroughput(const Instruction
*) const { return 1; }
212 virtual unsigned int getFileSize(DataFile
) const = 0;
213 virtual unsigned int getFileUnit(DataFile
) const = 0;
215 virtual uint32_t getSVAddress(DataFile
, const Symbol
*) const = 0;
218 const bool hasJoin
; // true if instructions have a join modifier
219 const bool joinAnterior
; // true if join is executed before the op
220 const bool hasSWSched
; // true if code should provide scheduling data
222 static const uint8_t operationSrcNr
[];
223 static const OpClass operationClass
[];
225 static inline uint8_t getOpSrcNr(operation op
)
227 return operationSrcNr
[op
];
229 static inline OpClass
getOpClass(operation op
)
231 return operationClass
[op
];
237 DataFile nativeFileMap
[DATA_FILE_COUNT
];
239 OpInfo opInfo
[OP_LAST
+ 1];
242 const Target::OpInfo
& Target::getOpInfo(const Instruction
*insn
) const
244 return opInfo
[MIN2(insn
->op
, OP_LAST
)];
247 const Target::OpInfo
& Target::getOpInfo(const operation op
) const
252 inline DataFile
Target::nativeFile(DataFile f
) const
254 return nativeFileMap
[f
];
257 } // namespace nv50_ir
259 #endif // __NV50_IR_TARGET_H__