summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.h
blob: 1b2b36d3cc91f8022ba31abce7430fd75f617ea7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
 * Copyright 2011 Christoph Bumiller
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include "codegen/nv50_ir.h"
#include "codegen/nv50_ir_build_util.h"

namespace nv50_ir {

class NVC0LegalizeSSA : public Pass
{
private:
   virtual bool visit(BasicBlock *);
   virtual bool visit(Function *);

   // we want to insert calls to the builtin library only after optimization
   void handleDIV(Instruction *); // integer division, modulus
   void handleRCPRSQ(Instruction *); // double precision float recip/rsqrt
   void handleFTZ(Instruction *);
   void handleSET(CmpInstruction *);
   void handleTEXLOD(TexInstruction *);
   void handleShift(Instruction *);

protected:
   BuildUtil bld;
};

class NVC0LegalizePostRA : public Pass
{
public:
   NVC0LegalizePostRA(const Program *);

private:
   virtual bool visit(Function *);
   virtual bool visit(BasicBlock *);

   void replaceZero(Instruction *);
   bool tryReplaceContWithBra(BasicBlock *);
   void propagateJoin(BasicBlock *);

   struct TexUse
   {
      TexUse(Instruction *use, const Instruction *tex, bool after)
         : insn(use), tex(tex), after(after), level(-1) { }
      Instruction *insn;
      const Instruction *tex; // or split / mov
      bool after;
      int level;
   };
   struct Limits
   {
      Limits() { }
      Limits(int min, int max) : min(min), max(max) { }
      int min, max;
   };
   bool insertTextureBarriers(Function *);
   inline bool insnDominatedBy(const Instruction *, const Instruction *) const;
   void findFirstUses(Instruction *texi, std::list<TexUse> &uses);
   void findFirstUsesBB(int minGPR, int maxGPR, Instruction *start,
                        const Instruction *texi, std::list<TexUse> &uses,
                        unordered_set<const BasicBlock *> &visited);
   void addTexUse(std::list<TexUse>&, Instruction *, const Instruction *);
   const Instruction *recurseDef(const Instruction *);

private:
   LValue *rZero;
   LValue *carry;
   LValue *pOne;
   const bool needTexBar;
};

class NVC0LoweringPass : public Pass
{
public:
   NVC0LoweringPass(Program *);

protected:
   bool handleRDSV(Instruction *);
   bool handleWRSV(Instruction *);
   bool handleEXPORT(Instruction *);
   bool handleOUT(Instruction *);
   bool handleDIV(Instruction *);
   bool handleMOD(Instruction *);
   bool handleSQRT(Instruction *);
   bool handlePOW(Instruction *);
   bool handleTEX(TexInstruction *);
   bool handleTXD(TexInstruction *);
   bool handleTXQ(TexInstruction *);
   virtual bool handleManualTXD(TexInstruction *);
   bool handleTXLQ(TexInstruction *);
   bool handleSUQ(TexInstruction *);
   bool handleATOM(Instruction *);
   bool handleCasExch(Instruction *, bool needCctl);
   void handleSurfaceOpGM107(TexInstruction *);
   void handleSurfaceOpNVE4(TexInstruction *);
   void handleSurfaceOpNVC0(TexInstruction *);
   void handleSharedATOM(Instruction *);
   void handleSharedATOMNVE4(Instruction *);
   void handleLDST(Instruction *);
   bool handleBUFQ(Instruction *);

   void checkPredicate(Instruction *);

   virtual bool visit(Instruction *);

private:
   virtual bool visit(Function *);
   virtual bool visit(BasicBlock *);

   void readTessCoord(LValue *dst, int c);

   Value *loadResInfo32(Value *ptr, uint32_t off, uint16_t base);
   Value *loadResInfo64(Value *ptr, uint32_t off, uint16_t base);
   Value *loadResLength32(Value *ptr, uint32_t off, uint16_t base);
   Value *loadSuInfo32(Value *ptr, int slot, uint32_t off, bool bindless);
   Value *loadBufInfo64(Value *ptr, uint32_t off);
   Value *loadBufLength32(Value *ptr, uint32_t off);
   Value *loadUboInfo64(Value *ptr, uint32_t off);
   Value *loadUboLength32(Value *ptr, uint32_t off);
   Value *loadMsInfo32(Value *ptr, uint32_t off);

   void adjustCoordinatesMS(TexInstruction *);
   void processSurfaceCoordsGM107(TexInstruction *);
   void processSurfaceCoordsNVE4(TexInstruction *);
   void processSurfaceCoordsNVC0(TexInstruction *);
   void convertSurfaceFormat(TexInstruction *);

protected:
   Value *loadTexHandle(Value *ptr, unsigned int slot);

   BuildUtil bld;

private:
   const Target *const targ;

   Symbol *gMemBase;
   LValue *gpEmitAddress;
};

} // namespace nv50_ir