1 /*
2  * Copyright 2012 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_nvc0.h"
24 
25 // CodeEmitter for GK110 encoding of the Fermi/Kepler ISA.
26 
27 namespace nv50_ir {
28 
29 class CodeEmitterGK110 : public CodeEmitter
30 {
31 public:
32    CodeEmitterGK110(const TargetNVC0 *, Program::Type);
33 
34    virtual bool emitInstruction(Instruction *);
35    virtual uint32_t getMinEncodingSize(const Instruction *) const;
36    virtual void prepareEmission(Function *);
37 
38 private:
39    const TargetNVC0 *targNVC0;
40 
41    Program::Type progType;
42 
43    const bool writeIssueDelays;
44 
45 private:
46    void emitForm_21(const Instruction *, uint32_t opc2, uint32_t opc1);
47    void emitForm_C(const Instruction *, uint32_t opc, uint8_t ctg);
48    void emitForm_L(const Instruction *, uint32_t opc, uint8_t ctg, Modifier, int sCount = 3);
49 
50    void emitPredicate(const Instruction *);
51 
52    void setCAddress14(const ValueRef&);
53    void setShortImmediate(const Instruction *, const int s);
54    void setImmediate32(const Instruction *, const int s, Modifier);
55    void setSUConst16(const Instruction *, const int s);
56 
57    void modNegAbsF32_3b(const Instruction *, const int s);
58 
59    void emitCondCode(CondCode cc, int pos, uint8_t mask);
60    void emitInterpMode(const Instruction *);
61    void emitLoadStoreType(DataType ty, const int pos);
62    void emitCachingMode(CacheMode c, const int pos);
63    void emitSUGType(DataType, const int pos);
64    void emitSUCachingMode(CacheMode c);
65 
66    inline uint8_t getSRegEncoding(const ValueRef&);
67 
68    void emitRoundMode(RoundMode, const int pos, const int rintPos);
69    void emitRoundModeF(RoundMode, const int pos);
70    void emitRoundModeI(RoundMode, const int pos);
71 
72    void emitNegAbs12(const Instruction *);
73 
74    void emitNOP(const Instruction *);
75 
76    void emitLOAD(const Instruction *);
77    void emitSTORE(const Instruction *);
78    void emitMOV(const Instruction *);
79    void emitATOM(const Instruction *);
80    void emitCCTL(const Instruction *);
81 
82    void emitINTERP(const Instruction *);
83    void emitAFETCH(const Instruction *);
84    void emitPFETCH(const Instruction *);
85    void emitVFETCH(const Instruction *);
86    void emitEXPORT(const Instruction *);
87    void emitOUT(const Instruction *);
88 
89    void emitUADD(const Instruction *);
90    void emitFADD(const Instruction *);
91    void emitDADD(const Instruction *);
92    void emitIMUL(const Instruction *);
93    void emitFMUL(const Instruction *);
94    void emitDMUL(const Instruction *);
95    void emitIMAD(const Instruction *);
96    void emitISAD(const Instruction *);
97    void emitSHLADD(const Instruction *);
98    void emitFMAD(const Instruction *);
99    void emitDMAD(const Instruction *);
100    void emitMADSP(const Instruction *i);
101 
102    void emitNOT(const Instruction *);
103    void emitLogicOp(const Instruction *, uint8_t subOp);
104    void emitPOPC(const Instruction *);
105    void emitINSBF(const Instruction *);
106    void emitEXTBF(const Instruction *);
107    void emitBFIND(const Instruction *);
108    void emitPERMT(const Instruction *);
109    void emitShift(const Instruction *);
110    void emitShift64(const Instruction *);
111 
112    void emitSFnOp(const Instruction *, uint8_t subOp);
113 
114    void emitCVT(const Instruction *);
115    void emitMINMAX(const Instruction *);
116    void emitPreOp(const Instruction *);
117 
118    void emitSET(const CmpInstruction *);
119    void emitSLCT(const CmpInstruction *);
120    void emitSELP(const Instruction *);
121 
122    void emitTEXBAR(const Instruction *);
123    void emitTEX(const TexInstruction *);
124    void emitTEXCSAA(const TexInstruction *);
125    void emitTXQ(const TexInstruction *);
126 
127    void emitQUADOP(const Instruction *, uint8_t qOp, uint8_t laneMask);
128 
129    void emitPIXLD(const Instruction *);
130 
131    void emitBAR(const Instruction *);
132    void emitMEMBAR(const Instruction *);
133 
134    void emitFlow(const Instruction *);
135 
136    void emitSHFL(const Instruction *);
137 
138    void emitVOTE(const Instruction *);
139 
140    void emitSULDGB(const TexInstruction *);
141    void emitSUSTGx(const TexInstruction *);
142    void emitSUCLAMPMode(uint16_t);
143    void emitSUCalc(Instruction *);
144 
145    void emitVSHL(const Instruction *);
146    void emitVectorSubOp(const Instruction *);
147 
148    inline void defId(const ValueDef&, const int pos);
149    inline void srcId(const ValueRef&, const int pos);
150    inline void srcId(const ValueRef *, const int pos);
151    inline void srcId(const Instruction *, int s, const int pos);
152 
153    inline void srcAddr32(const ValueRef&, const int pos); // address / 4
154 
155    inline bool isLIMM(const ValueRef&, DataType ty, bool mod = false);
156 };
157 
158 #define GK110_GPR_ZERO 255
159 
160 #define NEG_(b, s) \
161    if (i->src(s).mod.neg()) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
162 #define ABS_(b, s) \
163    if (i->src(s).mod.abs()) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
164 
165 #define NOT_(b, s) if (i->src(s).mod & Modifier(NV50_IR_MOD_NOT))       \
166    code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
167 
168 #define FTZ_(b) if (i->ftz) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
169 #define DNZ_(b) if (i->dnz) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
170 
171 #define SAT_(b) if (i->saturate) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
172 
173 #define RND_(b, t) emitRoundMode##t(i->rnd, 0x##b)
174 
175 #define SDATA(a) ((a).rep()->reg.data)
176 #define DDATA(a) ((a).rep()->reg.data)
177 
srcId(const ValueRef & src,const int pos)178 void CodeEmitterGK110::srcId(const ValueRef& src, const int pos)
179 {
180    code[pos / 32] |= (src.get() ? SDATA(src).id : GK110_GPR_ZERO) << (pos % 32);
181 }
182 
srcId(const ValueRef * src,const int pos)183 void CodeEmitterGK110::srcId(const ValueRef *src, const int pos)
184 {
185    code[pos / 32] |= (src ? SDATA(*src).id : GK110_GPR_ZERO) << (pos % 32);
186 }
187 
srcId(const Instruction * insn,int s,int pos)188 void CodeEmitterGK110::srcId(const Instruction *insn, int s, int pos)
189 {
190    int r = insn->srcExists(s) ? SDATA(insn->src(s)).id : GK110_GPR_ZERO;
191    code[pos / 32] |= r << (pos % 32);
192 }
193 
srcAddr32(const ValueRef & src,const int pos)194 void CodeEmitterGK110::srcAddr32(const ValueRef& src, const int pos)
195 {
196    code[pos / 32] |= (SDATA(src).offset >> 2) << (pos % 32);
197 }
198 
defId(const ValueDef & def,const int pos)199 void CodeEmitterGK110::defId(const ValueDef& def, const int pos)
200 {
201    code[pos / 32] |= (def.get() && def.getFile() != FILE_FLAGS ? DDATA(def).id : GK110_GPR_ZERO) << (pos % 32);
202 }
203 
isLIMM(const ValueRef & ref,DataType ty,bool mod)204 bool CodeEmitterGK110::isLIMM(const ValueRef& ref, DataType ty, bool mod)
205 {
206    const ImmediateValue *imm = ref.get()->asImm();
207 
208    if (ty == TYPE_F32)
209       return imm && imm->reg.data.u32 & 0xfff;
210    else
211       return imm && (imm->reg.data.s32 > 0x7ffff ||
212                      imm->reg.data.s32 < -0x80000);
213 }
214 
215 void
emitRoundMode(RoundMode rnd,const int pos,const int rintPos)216 CodeEmitterGK110::emitRoundMode(RoundMode rnd, const int pos, const int rintPos)
217 {
218    bool rint = false;
219    uint8_t n;
220 
221    switch (rnd) {
222    case ROUND_MI: rint = true; FALLTHROUGH; case ROUND_M: n = 1; break;
223    case ROUND_PI: rint = true; FALLTHROUGH; case ROUND_P: n = 2; break;
224    case ROUND_ZI: rint = true; FALLTHROUGH; case ROUND_Z: n = 3; break;
225    default:
226       rint = rnd == ROUND_NI;
227       n = 0;
228       assert(rnd == ROUND_N || rnd == ROUND_NI);
229       break;
230    }
231    code[pos / 32] |= n << (pos % 32);
232    if (rint && rintPos >= 0)
233       code[rintPos / 32] |= 1 << (rintPos % 32);
234 }
235 
236 void
emitRoundModeF(RoundMode rnd,const int pos)237 CodeEmitterGK110::emitRoundModeF(RoundMode rnd, const int pos)
238 {
239    uint8_t n;
240 
241    switch (rnd) {
242    case ROUND_M: n = 1; break;
243    case ROUND_P: n = 2; break;
244    case ROUND_Z: n = 3; break;
245    default:
246       n = 0;
247       assert(rnd == ROUND_N);
248       break;
249    }
250    code[pos / 32] |= n << (pos % 32);
251 }
252 
253 void
emitRoundModeI(RoundMode rnd,const int pos)254 CodeEmitterGK110::emitRoundModeI(RoundMode rnd, const int pos)
255 {
256    uint8_t n;
257 
258    switch (rnd) {
259    case ROUND_MI: n = 1; break;
260    case ROUND_PI: n = 2; break;
261    case ROUND_ZI: n = 3; break;
262    default:
263       n = 0;
264       assert(rnd == ROUND_NI);
265       break;
266    }
267    code[pos / 32] |= n << (pos % 32);
268 }
269 
emitCondCode(CondCode cc,int pos,uint8_t mask)270 void CodeEmitterGK110::emitCondCode(CondCode cc, int pos, uint8_t mask)
271 {
272    uint8_t n;
273 
274    switch (cc) {
275    case CC_FL:  n = 0x00; break;
276    case CC_LT:  n = 0x01; break;
277    case CC_EQ:  n = 0x02; break;
278    case CC_LE:  n = 0x03; break;
279    case CC_GT:  n = 0x04; break;
280    case CC_NE:  n = 0x05; break;
281    case CC_GE:  n = 0x06; break;
282    case CC_LTU: n = 0x09; break;
283    case CC_EQU: n = 0x0a; break;
284    case CC_LEU: n = 0x0b; break;
285    case CC_GTU: n = 0x0c; break;
286    case CC_NEU: n = 0x0d; break;
287    case CC_GEU: n = 0x0e; break;
288    case CC_TR:  n = 0x0f; break;
289    case CC_NO:  n = 0x10; break;
290    case CC_NC:  n = 0x11; break;
291    case CC_NS:  n = 0x12; break;
292    case CC_NA:  n = 0x13; break;
293    case CC_A:   n = 0x14; break;
294    case CC_S:   n = 0x15; break;
295    case CC_C:   n = 0x16; break;
296    case CC_O:   n = 0x17; break;
297    default:
298       n = 0;
299       assert(!"invalid condition code");
300       break;
301    }
302    code[pos / 32] |= (n & mask) << (pos % 32);
303 }
304 
305 void
emitPredicate(const Instruction * i)306 CodeEmitterGK110::emitPredicate(const Instruction *i)
307 {
308    if (i->predSrc >= 0) {
309       srcId(i->src(i->predSrc), 18);
310       if (i->cc == CC_NOT_P)
311          code[0] |= 8 << 18; // negate
312       assert(i->getPredicate()->reg.file == FILE_PREDICATE);
313    } else {
314       code[0] |= 7 << 18;
315    }
316 }
317 
318 void
setCAddress14(const ValueRef & src)319 CodeEmitterGK110::setCAddress14(const ValueRef& src)
320 {
321    const Storage& res = src.get()->asSym()->reg;
322    const int32_t addr = res.data.offset / 4;
323 
324    code[0] |= (addr & 0x01ff) << 23;
325    code[1] |= (addr & 0x3e00) >> 9;
326    code[1] |= res.fileIndex << 5;
327 }
328 
329 void
setShortImmediate(const Instruction * i,const int s)330 CodeEmitterGK110::setShortImmediate(const Instruction *i, const int s)
331 {
332    const uint32_t u32 = i->getSrc(s)->asImm()->reg.data.u32;
333    const uint64_t u64 = i->getSrc(s)->asImm()->reg.data.u64;
334 
335    if (i->sType == TYPE_F32) {
336       assert(!(u32 & 0x00000fff));
337       code[0] |= ((u32 & 0x001ff000) >> 12) << 23;
338       code[1] |= ((u32 & 0x7fe00000) >> 21);
339       code[1] |= ((u32 & 0x80000000) >> 4);
340    } else
341    if (i->sType == TYPE_F64) {
342       assert(!(u64 & 0x00000fffffffffffULL));
343       code[0] |= ((u64 & 0x001ff00000000000ULL) >> 44) << 23;
344       code[1] |= ((u64 & 0x7fe0000000000000ULL) >> 53);
345       code[1] |= ((u64 & 0x8000000000000000ULL) >> 36);
346    } else {
347       assert((u32 & 0xfff80000) == 0 || (u32 & 0xfff80000) == 0xfff80000);
348       code[0] |= (u32 & 0x001ff) << 23;
349       code[1] |= (u32 & 0x7fe00) >> 9;
350       code[1] |= (u32 & 0x80000) << 8;
351    }
352 }
353 
354 void
setImmediate32(const Instruction * i,const int s,Modifier mod)355 CodeEmitterGK110::setImmediate32(const Instruction *i, const int s,
356                                  Modifier mod)
357 {
358    uint32_t u32 = i->getSrc(s)->asImm()->reg.data.u32;
359 
360    if (mod) {
361       ImmediateValue imm(i->getSrc(s)->asImm(), i->sType);
362       mod.applyTo(imm);
363       u32 = imm.reg.data.u32;
364    }
365 
366    code[0] |= u32 << 23;
367    code[1] |= u32 >> 9;
368 }
369 
370 void
emitForm_L(const Instruction * i,uint32_t opc,uint8_t ctg,Modifier mod,int sCount)371 CodeEmitterGK110::emitForm_L(const Instruction *i, uint32_t opc, uint8_t ctg,
372                              Modifier mod, int sCount)
373 {
374    code[0] = ctg;
375    code[1] = opc << 20;
376 
377    emitPredicate(i);
378 
379    defId(i->def(0), 2);
380 
381    for (int s = 0; s < sCount && i->srcExists(s); ++s) {
382       switch (i->src(s).getFile()) {
383       case FILE_GPR:
384          srcId(i->src(s), s ? 42 : 10);
385          break;
386       case FILE_IMMEDIATE:
387          setImmediate32(i, s, mod);
388          break;
389       default:
390          break;
391       }
392    }
393 }
394 
395 
396 void
emitForm_C(const Instruction * i,uint32_t opc,uint8_t ctg)397 CodeEmitterGK110::emitForm_C(const Instruction *i, uint32_t opc, uint8_t ctg)
398 {
399    code[0] = ctg;
400    code[1] = opc << 20;
401 
402    emitPredicate(i);
403 
404    defId(i->def(0), 2);
405 
406    switch (i->src(0).getFile()) {
407    case FILE_MEMORY_CONST:
408       code[1] |= 0x4 << 28;
409       setCAddress14(i->src(0));
410       break;
411    case FILE_GPR:
412       code[1] |= 0xc << 28;
413       srcId(i->src(0), 23);
414       break;
415    default:
416       assert(0);
417       break;
418    }
419 }
420 
421 // 0x2 for GPR, c[] and 0x1 for short immediate
422 void
emitForm_21(const Instruction * i,uint32_t opc2,uint32_t opc1)423 CodeEmitterGK110::emitForm_21(const Instruction *i, uint32_t opc2,
424                               uint32_t opc1)
425 {
426    const bool imm = i->srcExists(1) && i->src(1).getFile() == FILE_IMMEDIATE;
427 
428    int s1 = 23;
429    if (i->srcExists(2) && i->src(2).getFile() == FILE_MEMORY_CONST)
430       s1 = 42;
431 
432    if (imm) {
433       code[0] = 0x1;
434       code[1] = opc1 << 20;
435    } else {
436       code[0] = 0x2;
437       code[1] = (0xc << 28) | (opc2 << 20);
438    }
439 
440    emitPredicate(i);
441 
442    defId(i->def(0), 2);
443 
444    for (int s = 0; s < 3 && i->srcExists(s); ++s) {
445       switch (i->src(s).getFile()) {
446       case FILE_MEMORY_CONST:
447          code[1] &= (s == 2) ? ~(0x4 << 28) : ~(0x8 << 28);
448          setCAddress14(i->src(s));
449          break;
450       case FILE_IMMEDIATE:
451          setShortImmediate(i, s);
452          break;
453       case FILE_GPR:
454          srcId(i->src(s), s ? ((s == 2) ? 42 : s1) : 10);
455          break;
456       default:
457          if (i->op == OP_SELP) {
458             assert(s == 2 && i->src(s).getFile() == FILE_PREDICATE);
459             srcId(i->src(s), 42);
460          }
461          // ignore here, can be predicate or flags, but must not be address
462          break;
463       }
464    }
465    // 0x0 = invalid
466    // 0xc = rrr
467    // 0x8 = rrc
468    // 0x4 = rcr
469    assert(imm || (code[1] & (0xc << 28)));
470 }
471 
472 inline void
modNegAbsF32_3b(const Instruction * i,const int s)473 CodeEmitterGK110::modNegAbsF32_3b(const Instruction *i, const int s)
474 {
475    if (i->src(s).mod.abs()) code[1] &= ~(1 << 27);
476    if (i->src(s).mod.neg()) code[1] ^=  (1 << 27);
477 }
478 
479 void
emitNOP(const Instruction * i)480 CodeEmitterGK110::emitNOP(const Instruction *i)
481 {
482    code[0] = 0x00003c02;
483    code[1] = 0x85800000;
484 
485    if (i)
486       emitPredicate(i);
487    else
488       code[0] = 0x001c3c02;
489 }
490 
491 void
emitFMAD(const Instruction * i)492 CodeEmitterGK110::emitFMAD(const Instruction *i)
493 {
494    bool neg1 = (i->src(0).mod ^ i->src(1).mod).neg();
495 
496    if (isLIMM(i->src(1), TYPE_F32)) {
497       assert(i->getDef(0)->reg.data.id == i->getSrc(2)->reg.data.id);
498 
499       // last source is dst, so force 2 sources
500       emitForm_L(i, 0x600, 0x0, 0, 2);
501 
502       if (i->flagsDef >= 0)
503          code[1] |= 1 << 23;
504 
505       SAT_(3a);
506       NEG_(3c, 2);
507 
508       if (neg1) {
509          code[1] |= 1 << 27;
510       }
511    } else {
512       emitForm_21(i, 0x0c0, 0x940);
513 
514       NEG_(34, 2);
515       SAT_(35);
516       RND_(36, F);
517 
518       if (code[0] & 0x1) {
519          if (neg1)
520             code[1] ^= 1 << 27;
521       } else
522       if (neg1) {
523          code[1] |= 1 << 19;
524       }
525    }
526 
527    FTZ_(38);
528    DNZ_(39);
529 }
530 
531 void
emitDMAD(const Instruction * i)532 CodeEmitterGK110::emitDMAD(const Instruction *i)
533 {
534    assert(!i->saturate);
535    assert(!i->ftz);
536 
537    emitForm_21(i, 0x1b8, 0xb38);
538 
539    NEG_(34, 2);
540    RND_(36, F);
541 
542    bool neg1 = (i->src(0).mod ^ i->src(1).mod).neg();
543 
544    if (code[0] & 0x1) {
545       if (neg1)
546          code[1] ^= 1 << 27;
547    } else
548    if (neg1) {
549       code[1] |= 1 << 19;
550    }
551 }
552 
553 void
emitMADSP(const Instruction * i)554 CodeEmitterGK110::emitMADSP(const Instruction *i)
555 {
556    emitForm_21(i, 0x140, 0xa40);
557 
558    if (i->subOp == NV50_IR_SUBOP_MADSP_SD) {
559       code[1] |= 0x00c00000;
560    } else {
561       code[1] |= (i->subOp & 0x00f) << 19; // imadp1
562       code[1] |= (i->subOp & 0x0f0) << 20; // imadp2
563       code[1] |= (i->subOp & 0x100) << 11; // imadp3
564       code[1] |= (i->subOp & 0x200) << 15; // imadp3
565       code[1] |= (i->subOp & 0xc00) << 12; // imadp3
566    }
567 
568    if (i->flagsDef >= 0)
569       code[1] |= 1 << 18;
570 }
571 
572 void
emitFMUL(const Instruction * i)573 CodeEmitterGK110::emitFMUL(const Instruction *i)
574 {
575    bool neg = (i->src(0).mod ^ i->src(1).mod).neg();
576 
577    assert(i->postFactor >= -3 && i->postFactor <= 3);
578 
579    if (isLIMM(i->src(1), TYPE_F32)) {
580       emitForm_L(i, 0x200, 0x2, Modifier(0));
581 
582       FTZ_(38);
583       DNZ_(39);
584       SAT_(3a);
585       if (neg)
586          code[1] ^= 1 << 22;
587 
588       assert(i->postFactor == 0);
589    } else {
590       emitForm_21(i, 0x234, 0xc34);
591       code[1] |= ((i->postFactor > 0) ?
592                   (7 - i->postFactor) : (0 - i->postFactor)) << 12;
593 
594       RND_(2a, F);
595       FTZ_(2f);
596       DNZ_(30);
597       SAT_(35);
598 
599       if (code[0] & 0x1) {
600          if (neg)
601             code[1] ^= 1 << 27;
602       } else
603       if (neg) {
604          code[1] |= 1 << 19;
605       }
606    }
607 }
608 
609 void
emitDMUL(const Instruction * i)610 CodeEmitterGK110::emitDMUL(const Instruction *i)
611 {
612    bool neg = (i->src(0).mod ^ i->src(1).mod).neg();
613 
614    assert(!i->postFactor);
615    assert(!i->saturate);
616    assert(!i->ftz);
617    assert(!i->dnz);
618 
619    emitForm_21(i, 0x240, 0xc40);
620 
621    RND_(2a, F);
622 
623    if (code[0] & 0x1) {
624       if (neg)
625          code[1] ^= 1 << 27;
626    } else
627    if (neg) {
628       code[1] |= 1 << 19;
629    }
630 }
631 
632 void
emitIMUL(const Instruction * i)633 CodeEmitterGK110::emitIMUL(const Instruction *i)
634 {
635    assert(!i->src(0).mod.neg() && !i->src(1).mod.neg());
636    assert(!i->src(0).mod.abs() && !i->src(1).mod.abs());
637 
638    if (isLIMM(i->src(1), TYPE_S32)) {
639       emitForm_L(i, 0x280, 2, Modifier(0));
640 
641       if (i->subOp == NV50_IR_SUBOP_MUL_HIGH)
642          code[1] |= 1 << 24;
643       if (i->sType == TYPE_S32)
644          code[1] |= 3 << 25;
645    } else {
646       emitForm_21(i, 0x21c, 0xc1c);
647 
648       if (i->subOp == NV50_IR_SUBOP_MUL_HIGH)
649          code[1] |= 1 << 10;
650       if (i->sType == TYPE_S32)
651          code[1] |= 3 << 11;
652    }
653 }
654 
655 void
emitFADD(const Instruction * i)656 CodeEmitterGK110::emitFADD(const Instruction *i)
657 {
658    if (isLIMM(i->src(1), TYPE_F32)) {
659       assert(i->rnd == ROUND_N);
660       assert(!i->saturate);
661 
662       Modifier mod = i->src(1).mod ^
663          Modifier(i->op == OP_SUB ? NV50_IR_MOD_NEG : 0);
664 
665       emitForm_L(i, 0x400, 0, mod);
666 
667       FTZ_(3a);
668       NEG_(3b, 0);
669       ABS_(39, 0);
670    } else {
671       emitForm_21(i, 0x22c, 0xc2c);
672 
673       FTZ_(2f);
674       RND_(2a, F);
675       ABS_(31, 0);
676       NEG_(33, 0);
677       SAT_(35);
678 
679       if (code[0] & 0x1) {
680          modNegAbsF32_3b(i, 1);
681          if (i->op == OP_SUB) code[1] ^= 1 << 27;
682       } else {
683          ABS_(34, 1);
684          NEG_(30, 1);
685          if (i->op == OP_SUB) code[1] ^= 1 << 16;
686       }
687    }
688 }
689 
690 void
emitDADD(const Instruction * i)691 CodeEmitterGK110::emitDADD(const Instruction *i)
692 {
693    assert(!i->saturate);
694    assert(!i->ftz);
695 
696    emitForm_21(i, 0x238, 0xc38);
697    RND_(2a, F);
698    ABS_(31, 0);
699    NEG_(33, 0);
700    if (code[0] & 0x1) {
701       modNegAbsF32_3b(i, 1);
702       if (i->op == OP_SUB) code[1] ^= 1 << 27;
703    } else {
704       NEG_(30, 1);
705       ABS_(34, 1);
706       if (i->op == OP_SUB) code[1] ^= 1 << 16;
707    }
708 }
709 
710 void
emitUADD(const Instruction * i)711 CodeEmitterGK110::emitUADD(const Instruction *i)
712 {
713    uint8_t addOp = (i->src(0).mod.neg() << 1) | i->src(1).mod.neg();
714 
715    if (i->op == OP_SUB)
716       addOp ^= 1;
717 
718    assert(!i->src(0).mod.abs() && !i->src(1).mod.abs());
719 
720    if (isLIMM(i->src(1), TYPE_S32)) {
721       emitForm_L(i, 0x400, 1, Modifier((addOp & 1) ? NV50_IR_MOD_NEG : 0));
722 
723       if (addOp & 2)
724          code[1] |= 1 << 27;
725 
726       assert(i->flagsDef < 0);
727       assert(i->flagsSrc < 0);
728 
729       SAT_(39);
730    } else {
731       emitForm_21(i, 0x208, 0xc08);
732 
733       assert(addOp != 3); // would be add-plus-one
734 
735       code[1] |= addOp << 19;
736 
737       if (i->flagsDef >= 0)
738          code[1] |= 1 << 18; // write carry
739       if (i->flagsSrc >= 0)
740          code[1] |= 1 << 14; // add carry
741 
742       SAT_(35);
743    }
744 }
745 
746 void
emitIMAD(const Instruction * i)747 CodeEmitterGK110::emitIMAD(const Instruction *i)
748 {
749    uint8_t addOp =
750       i->src(2).mod.neg() | ((i->src(0).mod.neg() ^ i->src(1).mod.neg()) << 1);
751 
752    emitForm_21(i, 0x100, 0xa00);
753 
754    assert(addOp != 3);
755    code[1] |= addOp << 26;
756 
757    if (i->sType == TYPE_S32)
758       code[1] |= (1 << 19) | (1 << 24);
759 
760    if (i->subOp == NV50_IR_SUBOP_MUL_HIGH)
761       code[1] |= 1 << 25;
762 
763    if (i->flagsDef >= 0) code[1] |= 1 << 18;
764    if (i->flagsSrc >= 0) code[1] |= 1 << 20;
765 
766    SAT_(35);
767 }
768 
769 void
emitISAD(const Instruction * i)770 CodeEmitterGK110::emitISAD(const Instruction *i)
771 {
772    assert(i->dType == TYPE_S32 || i->dType == TYPE_U32);
773 
774    emitForm_21(i, 0x1f4, 0xb74);
775 
776    if (i->dType == TYPE_S32)
777       code[1] |= 1 << 19;
778 }
779 
780 void
emitSHLADD(const Instruction * i)781 CodeEmitterGK110::emitSHLADD(const Instruction *i)
782 {
783    uint8_t addOp = (i->src(0).mod.neg() << 1) | i->src(2).mod.neg();
784    const ImmediateValue *imm = i->src(1).get()->asImm();
785    assert(imm);
786 
787    if (i->src(2).getFile() == FILE_IMMEDIATE) {
788       code[0] = 0x1;
789       code[1] = 0xc0c << 20;
790    } else {
791       code[0] = 0x2;
792       code[1] = 0x20c << 20;
793    }
794    code[1] |= addOp << 19;
795 
796    emitPredicate(i);
797 
798    defId(i->def(0), 2);
799    srcId(i->src(0), 10);
800 
801    if (i->flagsDef >= 0)
802       code[1] |= 1 << 18;
803 
804    assert(!(imm->reg.data.u32 & 0xffffffe0));
805    code[1] |= imm->reg.data.u32 << 10;
806 
807    switch (i->src(2).getFile()) {
808    case FILE_GPR:
809       assert(code[0] & 0x2);
810       code[1] |= 0xc << 28;
811       srcId(i->src(2), 23);
812       break;
813    case FILE_MEMORY_CONST:
814       assert(code[0] & 0x2);
815       code[1] |= 0x4 << 28;
816       setCAddress14(i->src(2));
817       break;
818    case FILE_IMMEDIATE:
819       assert(code[0] & 0x1);
820       setShortImmediate(i, 2);
821       break;
822    default:
823       assert(!"bad src2 file");
824       break;
825    }
826 }
827 
828 void
emitNOT(const Instruction * i)829 CodeEmitterGK110::emitNOT(const Instruction *i)
830 {
831    code[0] = 0x0003fc02; // logop(mov2) dst, 0, not src
832    code[1] = 0x22003800;
833 
834    emitPredicate(i);
835 
836    defId(i->def(0), 2);
837 
838    switch (i->src(0).getFile()) {
839    case FILE_GPR:
840       code[1] |= 0xc << 28;
841       srcId(i->src(0), 23);
842       break;
843    case FILE_MEMORY_CONST:
844       code[1] |= 0x4 << 28;
845       setCAddress14(i->src(0));
846       break;
847    default:
848       assert(0);
849       break;
850    }
851 }
852 
853 void
emitLogicOp(const Instruction * i,uint8_t subOp)854 CodeEmitterGK110::emitLogicOp(const Instruction *i, uint8_t subOp)
855 {
856    if (i->def(0).getFile() == FILE_PREDICATE) {
857       code[0] = 0x00000002 | (subOp << 27);
858       code[1] = 0x84800000;
859 
860       emitPredicate(i);
861 
862       defId(i->def(0), 5);
863       srcId(i->src(0), 14);
864       if (i->src(0).mod == Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 17;
865       srcId(i->src(1), 32);
866       if (i->src(1).mod == Modifier(NV50_IR_MOD_NOT)) code[1] |= 1 << 3;
867 
868       if (i->defExists(1)) {
869          defId(i->def(1), 2);
870       } else {
871          code[0] |= 7 << 2;
872       }
873       // (a OP b) OP c
874       if (i->predSrc != 2 && i->srcExists(2)) {
875          code[1] |= subOp << 16;
876          srcId(i->src(2), 42);
877          if (i->src(2).mod == Modifier(NV50_IR_MOD_NOT)) code[1] |= 1 << 13;
878       } else {
879          code[1] |= 7 << 10;
880       }
881    } else
882    if (isLIMM(i->src(1), TYPE_S32)) {
883       emitForm_L(i, 0x200, 0, i->src(1).mod);
884       code[1] |= subOp << 24;
885       NOT_(3a, 0);
886    } else {
887       emitForm_21(i, 0x220, 0xc20);
888       code[1] |= subOp << 12;
889       NOT_(2a, 0);
890       NOT_(2b, 1);
891    }
892 }
893 
894 void
emitPOPC(const Instruction * i)895 CodeEmitterGK110::emitPOPC(const Instruction *i)
896 {
897    assert(!isLIMM(i->src(1), TYPE_S32, true));
898 
899    emitForm_21(i, 0x204, 0xc04);
900 
901    NOT_(2a, 0);
902    if (!(code[0] & 0x1))
903       NOT_(2b, 1);
904 }
905 
906 void
emitINSBF(const Instruction * i)907 CodeEmitterGK110::emitINSBF(const Instruction *i)
908 {
909    emitForm_21(i, 0x1f8, 0xb78);
910 }
911 
912 void
emitEXTBF(const Instruction * i)913 CodeEmitterGK110::emitEXTBF(const Instruction *i)
914 {
915    emitForm_21(i, 0x600, 0xc00);
916 
917    if (i->dType == TYPE_S32)
918       code[1] |= 0x80000;
919    if (i->subOp == NV50_IR_SUBOP_EXTBF_REV)
920       code[1] |= 0x800;
921 }
922 
923 void
emitBFIND(const Instruction * i)924 CodeEmitterGK110::emitBFIND(const Instruction *i)
925 {
926    emitForm_C(i, 0x218, 0x2);
927 
928    if (i->dType == TYPE_S32)
929       code[1] |= 0x80000;
930    if (i->src(0).mod == Modifier(NV50_IR_MOD_NOT))
931       code[1] |= 0x800;
932    if (i->subOp == NV50_IR_SUBOP_BFIND_SAMT)
933       code[1] |= 0x1000;
934 }
935 
936 void
emitPERMT(const Instruction * i)937 CodeEmitterGK110::emitPERMT(const Instruction *i)
938 {
939    emitForm_21(i, 0x1e0, 0xb60);
940 
941    code[1] |= i->subOp << 19;
942 }
943 
944 void
emitShift(const Instruction * i)945 CodeEmitterGK110::emitShift(const Instruction *i)
946 {
947    if (i->op == OP_SHR) {
948       emitForm_21(i, 0x214, 0xc14);
949       if (isSignedType(i->dType))
950          code[1] |= 1 << 19;
951    } else {
952       emitForm_21(i, 0x224, 0xc24);
953    }
954 
955    if (i->subOp == NV50_IR_SUBOP_SHIFT_WRAP)
956       code[1] |= 1 << 10;
957 }
958 
959 void
emitShift64(const Instruction * i)960 CodeEmitterGK110::emitShift64(const Instruction *i)
961 {
962    if (i->op == OP_SHR) {
963       emitForm_21(i, 0x27c, 0xc7c);
964       if (isSignedType(i->sType))
965          code[1] |= 0x100;
966       if (i->subOp & NV50_IR_SUBOP_SHIFT_HIGH)
967          code[1] |= 1 << 19;
968    } else {
969       emitForm_21(i, 0xdfc, 0xf7c);
970    }
971    code[1] |= 0x200;
972 
973    if (i->subOp & NV50_IR_SUBOP_SHIFT_WRAP)
974       code[1] |= 1 << 21;
975 }
976 
977 void
emitPreOp(const Instruction * i)978 CodeEmitterGK110::emitPreOp(const Instruction *i)
979 {
980    emitForm_C(i, 0x248, 0x2);
981 
982    if (i->op == OP_PREEX2)
983       code[1] |= 1 << 10;
984 
985    NEG_(30, 0);
986    ABS_(34, 0);
987 }
988 
989 void
emitSFnOp(const Instruction * i,uint8_t subOp)990 CodeEmitterGK110::emitSFnOp(const Instruction *i, uint8_t subOp)
991 {
992    code[0] = 0x00000002 | (subOp << 23);
993    code[1] = 0x84000000;
994 
995    emitPredicate(i);
996 
997    defId(i->def(0), 2);
998    srcId(i->src(0), 10);
999 
1000    NEG_(33, 0);
1001    ABS_(31, 0);
1002    SAT_(35);
1003 }
1004 
1005 void
emitMINMAX(const Instruction * i)1006 CodeEmitterGK110::emitMINMAX(const Instruction *i)
1007 {
1008    uint32_t op2, op1;
1009 
1010    switch (i->dType) {
1011    case TYPE_U32:
1012    case TYPE_S32:
1013       op2 = 0x210;
1014       op1 = 0xc10;
1015       break;
1016    case TYPE_F32:
1017       op2 = 0x230;
1018       op1 = 0xc30;
1019       break;
1020    case TYPE_F64:
1021       op2 = 0x228;
1022       op1 = 0xc28;
1023       break;
1024    default:
1025       assert(0);
1026       op2 = 0;
1027       op1 = 0;
1028       break;
1029    }
1030    emitForm_21(i, op2, op1);
1031 
1032    if (i->dType == TYPE_S32)
1033       code[1] |= 1 << 19;
1034    code[1] |= (i->op == OP_MIN) ? 0x1c00 : 0x3c00; // [!]pt
1035    code[1] |= i->subOp << 14;
1036    if (i->flagsDef >= 0)
1037       code[1] |= i->subOp << 18;
1038 
1039    FTZ_(2f);
1040    ABS_(31, 0);
1041    NEG_(33, 0);
1042    if (code[0] & 0x1) {
1043       modNegAbsF32_3b(i, 1);
1044    } else {
1045       ABS_(34, 1);
1046       NEG_(30, 1);
1047    }
1048 }
1049 
1050 void
emitCVT(const Instruction * i)1051 CodeEmitterGK110::emitCVT(const Instruction *i)
1052 {
1053    const bool f2f = isFloatType(i->dType) && isFloatType(i->sType);
1054    const bool f2i = !isFloatType(i->dType) && isFloatType(i->sType);
1055    const bool i2f = isFloatType(i->dType) && !isFloatType(i->sType);
1056 
1057    bool sat = i->saturate;
1058    bool abs = i->src(0).mod.abs();
1059    bool neg = i->src(0).mod.neg();
1060 
1061    RoundMode rnd = i->rnd;
1062 
1063    switch (i->op) {
1064    case OP_CEIL:  rnd = f2f ? ROUND_PI : ROUND_P; break;
1065    case OP_FLOOR: rnd = f2f ? ROUND_MI : ROUND_M; break;
1066    case OP_TRUNC: rnd = f2f ? ROUND_ZI : ROUND_Z; break;
1067    case OP_SAT: sat = true; break;
1068    case OP_NEG: neg = !neg; break;
1069    case OP_ABS: abs = true; neg = false; break;
1070    default:
1071       break;
1072    }
1073 
1074    DataType dType;
1075 
1076    if (i->op == OP_NEG && i->dType == TYPE_U32)
1077       dType = TYPE_S32;
1078    else
1079       dType = i->dType;
1080 
1081 
1082    uint32_t op;
1083 
1084    if      (f2f) op = 0x254;
1085    else if (f2i) op = 0x258;
1086    else if (i2f) op = 0x25c;
1087    else          op = 0x260;
1088 
1089    emitForm_C(i, op, 0x2);
1090 
1091    FTZ_(2f);
1092    if (neg) code[1] |= 1 << 16;
1093    if (abs) code[1] |= 1 << 20;
1094    if (sat) code[1] |= 1 << 21;
1095 
1096    emitRoundMode(rnd, 32 + 10, f2f ? (32 + 13) : -1);
1097 
1098    code[0] |= typeSizeofLog2(dType) << 10;
1099    code[0] |= typeSizeofLog2(i->sType) << 12;
1100    code[1] |= i->subOp << 12;
1101 
1102    if (isSignedIntType(dType))
1103       code[0] |= 0x4000;
1104    if (isSignedIntType(i->sType))
1105       code[0] |= 0x8000;
1106 }
1107 
1108 void
emitSET(const CmpInstruction * i)1109 CodeEmitterGK110::emitSET(const CmpInstruction *i)
1110 {
1111    uint16_t op1, op2;
1112 
1113    if (i->def(0).getFile() == FILE_PREDICATE) {
1114       switch (i->sType) {
1115       case TYPE_F32: op2 = 0x1d8; op1 = 0xb58; break;
1116       case TYPE_F64: op2 = 0x1c0; op1 = 0xb40; break;
1117       default:
1118          op2 = 0x1b0;
1119          op1 = 0xb30;
1120          break;
1121       }
1122       emitForm_21(i, op2, op1);
1123 
1124       NEG_(2e, 0);
1125       ABS_(9, 0);
1126       if (!(code[0] & 0x1)) {
1127          NEG_(8, 1);
1128          ABS_(2f, 1);
1129       } else {
1130          modNegAbsF32_3b(i, 1);
1131       }
1132       FTZ_(32);
1133 
1134       // normal DST field is negated predicate result
1135       code[0] = (code[0] & ~0xfc) | ((code[0] << 3) & 0xe0);
1136       if (i->defExists(1))
1137          defId(i->def(1), 2);
1138       else
1139          code[0] |= 0x1c;
1140    } else {
1141       switch (i->sType) {
1142       case TYPE_F32: op2 = 0x000; op1 = 0x800; break;
1143       case TYPE_F64: op2 = 0x080; op1 = 0x900; break;
1144       default:
1145          op2 = 0x1a8;
1146          op1 = 0xb28;
1147          break;
1148       }
1149       emitForm_21(i, op2, op1);
1150 
1151       NEG_(2e, 0);
1152       ABS_(39, 0);
1153       if (!(code[0] & 0x1)) {
1154          NEG_(38, 1);
1155          ABS_(2f, 1);
1156       } else {
1157          modNegAbsF32_3b(i, 1);
1158       }
1159       FTZ_(3a);
1160 
1161       if (i->dType == TYPE_F32) {
1162          if (isFloatType(i->sType))
1163             code[1] |= 1 << 23;
1164          else
1165             code[1] |= 1 << 15;
1166       }
1167    }
1168    if (i->sType == TYPE_S32)
1169       code[1] |= 1 << 19;
1170 
1171    if (i->op != OP_SET) {
1172       switch (i->op) {
1173       case OP_SET_AND: code[1] |= 0x0 << 16; break;
1174       case OP_SET_OR:  code[1] |= 0x1 << 16; break;
1175       case OP_SET_XOR: code[1] |= 0x2 << 16; break;
1176       default:
1177          assert(0);
1178          break;
1179       }
1180       srcId(i->src(2), 0x2a);
1181    } else {
1182       code[1] |= 0x7 << 10;
1183    }
1184    if (i->flagsSrc >= 0)
1185       code[1] |= 1 << 14;
1186    emitCondCode(i->setCond,
1187                 isFloatType(i->sType) ? 0x33 : 0x34,
1188                 isFloatType(i->sType) ? 0xf : 0x7);
1189 }
1190 
1191 void
emitSLCT(const CmpInstruction * i)1192 CodeEmitterGK110::emitSLCT(const CmpInstruction *i)
1193 {
1194    CondCode cc = i->setCond;
1195    if (i->src(2).mod.neg())
1196       cc = reverseCondCode(cc);
1197 
1198    if (i->dType == TYPE_F32) {
1199       emitForm_21(i, 0x1d0, 0xb50);
1200       FTZ_(32);
1201       emitCondCode(cc, 0x33, 0xf);
1202    } else {
1203       emitForm_21(i, 0x1a0, 0xb20);
1204       emitCondCode(cc, 0x34, 0x7);
1205       if (i->dType == TYPE_S32)
1206          code[1] |= 1 << 19;
1207    }
1208 }
1209 
1210 void
gk110_selpFlip(const FixupEntry * entry,uint32_t * code,const FixupData & data)1211 gk110_selpFlip(const FixupEntry *entry, uint32_t *code, const FixupData& data)
1212 {
1213    int loc = entry->loc;
1214    bool val = false;
1215    switch (entry->ipa) {
1216    case 0:
1217       val = data.force_persample_interp;
1218       break;
1219    case 1:
1220       val = data.msaa;
1221       break;
1222    }
1223    if (val)
1224       code[loc + 1] |= 1 << 13;
1225    else
1226       code[loc + 1] &= ~(1 << 13);
1227 }
1228 
emitSELP(const Instruction * i)1229 void CodeEmitterGK110::emitSELP(const Instruction *i)
1230 {
1231    emitForm_21(i, 0x250, 0x050);
1232 
1233    if (i->src(2).mod & Modifier(NV50_IR_MOD_NOT))
1234       code[1] |= 1 << 13;
1235 
1236    if (i->subOp >= 1) {
1237       addInterp(i->subOp - 1, 0, gk110_selpFlip);
1238    }
1239 }
1240 
emitTEXBAR(const Instruction * i)1241 void CodeEmitterGK110::emitTEXBAR(const Instruction *i)
1242 {
1243    code[0] = 0x0000003e | (i->subOp << 23);
1244    code[1] = 0x77000000;
1245 
1246    emitPredicate(i);
1247 }
1248 
emitTEXCSAA(const TexInstruction * i)1249 void CodeEmitterGK110::emitTEXCSAA(const TexInstruction *i)
1250 {
1251    code[0] = 0x00000002;
1252    code[1] = 0x76c00000;
1253 
1254    code[1] |= i->tex.r << 9;
1255    // code[1] |= i->tex.s << (9 + 8);
1256 
1257    if (i->tex.liveOnly)
1258       code[0] |= 0x80000000;
1259 
1260    defId(i->def(0), 2);
1261    srcId(i->src(0), 10);
1262 }
1263 
1264 static inline bool
isNextIndependentTex(const TexInstruction * i)1265 isNextIndependentTex(const TexInstruction *i)
1266 {
1267    if (!i->next || !isTextureOp(i->next->op))
1268       return false;
1269    if (i->getDef(0)->interfers(i->next->getSrc(0)))
1270       return false;
1271    return !i->next->srcExists(1) || !i->getDef(0)->interfers(i->next->getSrc(1));
1272 }
1273 
1274 void
emitTEX(const TexInstruction * i)1275 CodeEmitterGK110::emitTEX(const TexInstruction *i)
1276 {
1277    const bool ind = i->tex.rIndirectSrc >= 0;
1278 
1279    if (ind) {
1280       code[0] = 0x00000002;
1281       switch (i->op) {
1282       case OP_TXD:
1283          code[1] = 0x7e000000;
1284          break;
1285       case OP_TXLQ:
1286          code[1] = 0x7e800000;
1287          break;
1288       case OP_TXF:
1289          code[1] = 0x78000000;
1290          break;
1291       case OP_TXG:
1292          code[1] = 0x7dc00000;
1293          break;
1294       default:
1295          code[1] = 0x7d800000;
1296          break;
1297       }
1298    } else {
1299       switch (i->op) {
1300       case OP_TXD:
1301          code[0] = 0x00000002;
1302          code[1] = 0x76000000;
1303          code[1] |= i->tex.r << 9;
1304          break;
1305       case OP_TXLQ:
1306          code[0] = 0x00000002;
1307          code[1] = 0x76800000;
1308          code[1] |= i->tex.r << 9;
1309          break;
1310       case OP_TXF:
1311          code[0] = 0x00000002;
1312          code[1] = 0x70000000;
1313          code[1] |= i->tex.r << 13;
1314          break;
1315       case OP_TXG:
1316          code[0] = 0x00000001;
1317          code[1] = 0x70000000;
1318          code[1] |= i->tex.r << 15;
1319          break;
1320       default:
1321          code[0] = 0x00000001;
1322          code[1] = 0x60000000;
1323          code[1] |= i->tex.r << 15;
1324          break;
1325       }
1326    }
1327 
1328    code[1] |= isNextIndependentTex(i) ? 0x1 : 0x2; // t : p mode
1329 
1330    if (i->tex.liveOnly)
1331       code[0] |= 0x80000000;
1332 
1333    switch (i->op) {
1334    case OP_TEX: break;
1335    case OP_TXB: code[1] |= 0x2000; break;
1336    case OP_TXL: code[1] |= 0x3000; break;
1337    case OP_TXF: break;
1338    case OP_TXG: break;
1339    case OP_TXD: break;
1340    case OP_TXLQ: break;
1341    default:
1342       assert(!"invalid texture op");
1343       break;
1344    }
1345 
1346    if (i->op == OP_TXF) {
1347       if (!i->tex.levelZero)
1348          code[1] |= 0x1000;
1349    } else
1350    if (i->tex.levelZero) {
1351       code[1] |= 0x1000;
1352    }
1353 
1354    if (i->op != OP_TXD && i->tex.derivAll)
1355       code[1] |= 0x200;
1356 
1357    emitPredicate(i);
1358 
1359    code[1] |= i->tex.mask << 2;
1360 
1361    const int src1 = (i->predSrc == 1) ? 2 : 1; // if predSrc == 1, !srcExists(2)
1362 
1363    defId(i->def(0), 2);
1364    srcId(i->src(0), 10);
1365    srcId(i, src1, 23);
1366 
1367    if (i->op == OP_TXG) code[1] |= i->tex.gatherComp << 13;
1368 
1369    // texture target:
1370    code[1] |= (i->tex.target.isCube() ? 3 : (i->tex.target.getDim() - 1)) << 7;
1371    if (i->tex.target.isArray())
1372       code[1] |= 0x40;
1373    if (i->tex.target.isShadow())
1374       code[1] |= 0x400;
1375    if (i->tex.target == TEX_TARGET_2D_MS ||
1376        i->tex.target == TEX_TARGET_2D_MS_ARRAY)
1377       code[1] |= 0x800;
1378 
1379    if (i->srcExists(src1) && i->src(src1).getFile() == FILE_IMMEDIATE) {
1380       // ?
1381    }
1382 
1383    if (i->tex.useOffsets == 1) {
1384       switch (i->op) {
1385       case OP_TXF: code[1] |= 0x200; break;
1386       case OP_TXD: code[1] |= 0x00400000; break;
1387       default: code[1] |= 0x800; break;
1388       }
1389    }
1390    if (i->tex.useOffsets == 4)
1391       code[1] |= 0x1000;
1392 }
1393 
1394 void
emitTXQ(const TexInstruction * i)1395 CodeEmitterGK110::emitTXQ(const TexInstruction *i)
1396 {
1397    code[0] = 0x00000002;
1398    code[1] = 0x75400001;
1399 
1400    switch (i->tex.query) {
1401    case TXQ_DIMS:            code[0] |= 0x01 << 25; break;
1402    case TXQ_TYPE:            code[0] |= 0x02 << 25; break;
1403    case TXQ_SAMPLE_POSITION: code[0] |= 0x05 << 25; break;
1404    case TXQ_FILTER:          code[0] |= 0x10 << 25; break;
1405    case TXQ_LOD:             code[0] |= 0x12 << 25; break;
1406    case TXQ_BORDER_COLOUR:   code[0] |= 0x16 << 25; break;
1407    default:
1408       assert(!"invalid texture query");
1409       break;
1410    }
1411 
1412    code[1] |= i->tex.mask << 2;
1413    code[1] |= i->tex.r << 9;
1414    if (/*i->tex.sIndirectSrc >= 0 || */i->tex.rIndirectSrc >= 0)
1415       code[1] |= 0x08000000;
1416 
1417    defId(i->def(0), 2);
1418    srcId(i->src(0), 10);
1419 
1420    emitPredicate(i);
1421 }
1422 
1423 void
emitQUADOP(const Instruction * i,uint8_t qOp,uint8_t laneMask)1424 CodeEmitterGK110::emitQUADOP(const Instruction *i, uint8_t qOp, uint8_t laneMask)
1425 {
1426    code[0] = 0x00000002 | ((qOp & 1) << 31);
1427    code[1] = 0x7fc00200 | (qOp >> 1) | (laneMask << 12); // dall
1428 
1429    defId(i->def(0), 2);
1430    srcId(i->src(0), 10);
1431    srcId((i->srcExists(1) && i->predSrc != 1) ? i->src(1) : i->src(0), 23);
1432 
1433    emitPredicate(i);
1434 }
1435 
1436 void
emitPIXLD(const Instruction * i)1437 CodeEmitterGK110::emitPIXLD(const Instruction *i)
1438 {
1439    emitForm_L(i, 0x7f4, 2, Modifier(0));
1440    code[1] |= i->subOp << 2;
1441    code[1] |= 0x00070000;
1442 }
1443 
1444 void
emitBAR(const Instruction * i)1445 CodeEmitterGK110::emitBAR(const Instruction *i)
1446 {
1447    code[0] = 0x00000002;
1448    code[1] = 0x85400000;
1449 
1450    switch (i->subOp) {
1451    case NV50_IR_SUBOP_BAR_ARRIVE:   code[1] |= 0x08; break;
1452    case NV50_IR_SUBOP_BAR_RED_AND:  code[1] |= 0x50; break;
1453    case NV50_IR_SUBOP_BAR_RED_OR:   code[1] |= 0x90; break;
1454    case NV50_IR_SUBOP_BAR_RED_POPC: code[1] |= 0x10; break;
1455    default:
1456       assert(i->subOp == NV50_IR_SUBOP_BAR_SYNC);
1457       break;
1458    }
1459 
1460    emitPredicate(i);
1461 
1462    // barrier id
1463    if (i->src(0).getFile() == FILE_GPR) {
1464       srcId(i->src(0), 10);
1465    } else {
1466       ImmediateValue *imm = i->getSrc(0)->asImm();
1467       assert(imm);
1468       code[0] |= imm->reg.data.u32 << 10;
1469       code[1] |= 0x8000;
1470    }
1471 
1472    // thread count
1473    if (i->src(1).getFile() == FILE_GPR) {
1474       srcId(i->src(1), 23);
1475    } else {
1476       ImmediateValue *imm = i->getSrc(0)->asImm();
1477       assert(imm);
1478       assert(imm->reg.data.u32 <= 0xfff);
1479       code[0] |= imm->reg.data.u32 << 23;
1480       code[1] |= imm->reg.data.u32 >> 9;
1481       code[1] |= 0x4000;
1482    }
1483 
1484    if (i->srcExists(2) && (i->predSrc != 2)) {
1485       srcId(i->src(2), 32 + 10);
1486       if (i->src(2).mod == Modifier(NV50_IR_MOD_NOT))
1487          code[1] |= 1 << 13;
1488    } else {
1489       code[1] |= 7 << 10;
1490    }
1491 }
1492 
emitMEMBAR(const Instruction * i)1493 void CodeEmitterGK110::emitMEMBAR(const Instruction *i)
1494 {
1495    code[0] = 0x00000002 | NV50_IR_SUBOP_MEMBAR_SCOPE(i->subOp) << 8;
1496    code[1] = 0x7cc00000;
1497 
1498    emitPredicate(i);
1499 }
1500 
1501 void
emitFlow(const Instruction * i)1502 CodeEmitterGK110::emitFlow(const Instruction *i)
1503 {
1504    const FlowInstruction *f = i->asFlow();
1505 
1506    unsigned mask; // bit 0: predicate, bit 1: target
1507 
1508    code[0] = 0x00000000;
1509 
1510    switch (i->op) {
1511    case OP_BRA:
1512       code[1] = f->absolute ? 0x10800000 : 0x12000000;
1513       if (i->srcExists(0) && i->src(0).getFile() == FILE_MEMORY_CONST)
1514          code[0] |= 0x80;
1515       mask = 3;
1516       break;
1517    case OP_CALL:
1518       code[1] = f->absolute ? 0x11000000 : 0x13000000;
1519       if (i->srcExists(0) && i->src(0).getFile() == FILE_MEMORY_CONST)
1520          code[0] |= 0x80;
1521       mask = 2;
1522       break;
1523 
1524    case OP_EXIT:    code[1] = 0x18000000; mask = 1; break;
1525    case OP_RET:     code[1] = 0x19000000; mask = 1; break;
1526    case OP_DISCARD: code[1] = 0x19800000; mask = 1; break;
1527    case OP_BREAK:   code[1] = 0x1a000000; mask = 1; break;
1528    case OP_CONT:    code[1] = 0x1a800000; mask = 1; break;
1529 
1530    case OP_JOINAT:   code[1] = 0x14800000; mask = 2; break;
1531    case OP_PREBREAK: code[1] = 0x15000000; mask = 2; break;
1532    case OP_PRECONT:  code[1] = 0x15800000; mask = 2; break;
1533    case OP_PRERET:   code[1] = 0x13800000; mask = 2; break;
1534 
1535    case OP_QUADON:  code[1] = 0x1b800000; mask = 0; break;
1536    case OP_QUADPOP: code[1] = 0x1c000000; mask = 0; break;
1537    case OP_BRKPT:   code[1] = 0x00000000; mask = 0; break;
1538    default:
1539       assert(!"invalid flow operation");
1540       return;
1541    }
1542 
1543    if (mask & 1) {
1544       emitPredicate(i);
1545       if (i->flagsSrc < 0)
1546          code[0] |= 0x3c;
1547    }
1548 
1549    if (!f)
1550       return;
1551 
1552    if (f->allWarp)
1553       code[0] |= 1 << 9;
1554    if (f->limit)
1555       code[0] |= 1 << 8;
1556 
1557    if (f->op == OP_CALL) {
1558       if (f->builtin) {
1559          assert(f->absolute);
1560          uint32_t pcAbs = targNVC0->getBuiltinOffset(f->target.builtin);
1561          addReloc(RelocEntry::TYPE_BUILTIN, 0, pcAbs, 0xff800000, 23);
1562          addReloc(RelocEntry::TYPE_BUILTIN, 1, pcAbs, 0x007fffff, -9);
1563       } else {
1564          assert(!f->absolute);
1565          int32_t pcRel = f->target.fn->binPos - (codeSize + 8);
1566          code[0] |= (pcRel & 0x1ff) << 23;
1567          code[1] |= (pcRel >> 9) & 0x7fff;
1568       }
1569    } else
1570    if (mask & 2) {
1571       int32_t pcRel = f->target.bb->binPos - (codeSize + 8);
1572       if (writeIssueDelays && !(f->target.bb->binPos & 0x3f))
1573          pcRel += 8;
1574       // currently we don't want absolute branches
1575       assert(!f->absolute);
1576       code[0] |= (pcRel & 0x1ff) << 23;
1577       code[1] |= (pcRel >> 9) & 0x7fff;
1578    }
1579 }
1580 
1581 void
emitSHFL(const Instruction * i)1582 CodeEmitterGK110::emitSHFL(const Instruction *i)
1583 {
1584    const ImmediateValue *imm;
1585 
1586    code[0] = 0x00000002;
1587    code[1] = 0x78800000 | (i->subOp << 1);
1588 
1589    emitPredicate(i);
1590 
1591    defId(i->def(0), 2);
1592    srcId(i->src(0), 10);
1593 
1594    switch (i->src(1).getFile()) {
1595    case FILE_GPR:
1596       srcId(i->src(1), 23);
1597       break;
1598    case FILE_IMMEDIATE:
1599       imm = i->getSrc(1)->asImm();
1600       assert(imm && imm->reg.data.u32 < 0x20);
1601       code[0] |= imm->reg.data.u32 << 23;
1602       code[0] |= 1 << 31;
1603       break;
1604    default:
1605       assert(!"invalid src1 file");
1606       break;
1607    }
1608 
1609    switch (i->src(2).getFile()) {
1610    case FILE_GPR:
1611       srcId(i->src(2), 42);
1612       break;
1613    case FILE_IMMEDIATE:
1614       imm = i->getSrc(2)->asImm();
1615       assert(imm && imm->reg.data.u32 < 0x2000);
1616       code[1] |= imm->reg.data.u32 << 5;
1617       code[1] |= 1;
1618       break;
1619    default:
1620       assert(!"invalid src2 file");
1621       break;
1622    }
1623 
1624    if (!i->defExists(1))
1625       code[1] |= 7 << 19;
1626    else {
1627       assert(i->def(1).getFile() == FILE_PREDICATE);
1628       defId(i->def(1), 51);
1629    }
1630 }
1631 
1632 void
emitVOTE(const Instruction * i)1633 CodeEmitterGK110::emitVOTE(const Instruction *i)
1634 {
1635    const ImmediateValue *imm;
1636    uint32_t u32;
1637 
1638    code[0] = 0x00000002;
1639    code[1] = 0x86c00000 | (i->subOp << 19);
1640 
1641    emitPredicate(i);
1642 
1643    unsigned rp = 0;
1644    for (int d = 0; i->defExists(d); d++) {
1645       if (i->def(d).getFile() == FILE_PREDICATE) {
1646          assert(!(rp & 2));
1647          rp |= 2;
1648          defId(i->def(d), 48);
1649       } else if (i->def(d).getFile() == FILE_GPR) {
1650          assert(!(rp & 1));
1651          rp |= 1;
1652          defId(i->def(d), 2);
1653       } else {
1654          assert(!"Unhandled def");
1655       }
1656    }
1657    if (!(rp & 1))
1658       code[0] |= 255 << 2;
1659    if (!(rp & 2))
1660       code[1] |= 7 << 16;
1661 
1662    switch (i->src(0).getFile()) {
1663    case FILE_PREDICATE:
1664       if (i->src(0).mod == Modifier(NV50_IR_MOD_NOT))
1665          code[0] |= 1 << 13;
1666       srcId(i->src(0), 42);
1667       break;
1668    case FILE_IMMEDIATE:
1669       imm = i->getSrc(0)->asImm();
1670       assert(imm);
1671       u32 = imm->reg.data.u32;
1672       assert(u32 == 0 || u32 == 1);
1673       code[1] |= (u32 == 1 ? 0x7 : 0xf) << 10;
1674       break;
1675    default:
1676       assert(!"Unhandled src");
1677       break;
1678    }
1679 }
1680 
1681 void
emitSUGType(DataType ty,const int pos)1682 CodeEmitterGK110::emitSUGType(DataType ty, const int pos)
1683 {
1684    uint8_t n = 0;
1685 
1686    switch (ty) {
1687    case TYPE_S32: n = 1; break;
1688    case TYPE_U8:  n = 2; break;
1689    case TYPE_S8:  n = 3; break;
1690    default:
1691       assert(ty == TYPE_U32);
1692       break;
1693    }
1694    code[pos / 32] |= n << (pos % 32);
1695 }
1696 
1697 void
emitSUCachingMode(CacheMode c)1698 CodeEmitterGK110::emitSUCachingMode(CacheMode c)
1699 {
1700    uint8_t n = 0;
1701 
1702    switch (c) {
1703    case CACHE_CA:
1704 // case CACHE_WB:
1705       n = 0;
1706       break;
1707    case CACHE_CG:
1708       n = 1;
1709       break;
1710    case CACHE_CS:
1711       n = 2;
1712       break;
1713    case CACHE_CV:
1714 // case CACHE_WT:
1715       n = 3;
1716       break;
1717    default:
1718       assert(!"invalid caching mode");
1719       break;
1720    }
1721    code[0] |= (n & 1) << 31;
1722    code[1] |= (n & 2) >> 1;
1723 }
1724 
1725 void
setSUConst16(const Instruction * i,const int s)1726 CodeEmitterGK110::setSUConst16(const Instruction *i, const int s)
1727 {
1728    const uint32_t offset = i->getSrc(s)->reg.data.offset;
1729 
1730    assert(offset == (offset & 0xfffc));
1731 
1732    code[0] |= offset << 21;
1733    code[1] |= offset >> 11;
1734    code[1] |= i->getSrc(s)->reg.fileIndex << 5;
1735 }
1736 
1737 void
emitSULDGB(const TexInstruction * i)1738 CodeEmitterGK110::emitSULDGB(const TexInstruction *i)
1739 {
1740    code[0] = 0x00000002;
1741    code[1] = 0x30000000 | (i->subOp << 14);
1742 
1743    if (i->src(1).getFile() == FILE_MEMORY_CONST) {
1744       emitLoadStoreType(i->dType, 0x38);
1745       emitCachingMode(i->cache, 0x36);
1746 
1747       // format
1748       setSUConst16(i, 1);
1749    } else {
1750       assert(i->src(1).getFile() == FILE_GPR);
1751       code[1] |= 0x49800000;
1752 
1753       emitLoadStoreType(i->dType, 0x21);
1754       emitSUCachingMode(i->cache);
1755 
1756       srcId(i->src(1), 23);
1757    }
1758 
1759    emitSUGType(i->sType, 0x34);
1760 
1761    emitPredicate(i);
1762    defId(i->def(0), 2); // destination
1763    srcId(i->src(0), 10); // address
1764 
1765    // surface predicate
1766    if (!i->srcExists(2) || (i->predSrc == 2)) {
1767       code[1] |= 0x7 << 10;
1768    } else {
1769       if (i->src(2).mod == Modifier(NV50_IR_MOD_NOT))
1770          code[1] |= 1 << 13;
1771       srcId(i->src(2), 32 + 10);
1772    }
1773 }
1774 
1775 void
emitSUSTGx(const TexInstruction * i)1776 CodeEmitterGK110::emitSUSTGx(const TexInstruction *i)
1777 {
1778    assert(i->op == OP_SUSTP);
1779 
1780    code[0] = 0x00000002;
1781    code[1] = 0x38000000;
1782 
1783    if (i->src(1).getFile() == FILE_MEMORY_CONST) {
1784       code[0] |= i->subOp << 2;
1785 
1786       if (i->op == OP_SUSTP)
1787          code[0] |= i->tex.mask << 4;
1788 
1789       emitSUGType(i->sType, 0x8);
1790       emitCachingMode(i->cache, 0x36);
1791 
1792       // format
1793       setSUConst16(i, 1);
1794    } else {
1795       assert(i->src(1).getFile() == FILE_GPR);
1796 
1797       code[0] |= i->subOp << 23;
1798       code[1] |= 0x41c00000;
1799 
1800       if (i->op == OP_SUSTP)
1801          code[0] |= i->tex.mask << 25;
1802 
1803       emitSUGType(i->sType, 0x1d);
1804       emitSUCachingMode(i->cache);
1805 
1806       srcId(i->src(1), 2);
1807    }
1808 
1809    emitPredicate(i);
1810    srcId(i->src(0), 10); // address
1811    srcId(i->src(3), 42); // values
1812 
1813    // surface predicate
1814    if (!i->srcExists(2) || (i->predSrc == 2)) {
1815       code[1] |= 0x7 << 18;
1816    } else {
1817       if (i->src(2).mod == Modifier(NV50_IR_MOD_NOT))
1818          code[1] |= 1 << 21;
1819       srcId(i->src(2), 32 + 18);
1820    }
1821 }
1822 
1823 void
emitSUCLAMPMode(uint16_t subOp)1824 CodeEmitterGK110::emitSUCLAMPMode(uint16_t subOp)
1825 {
1826    uint8_t m;
1827    switch (subOp & ~NV50_IR_SUBOP_SUCLAMP_2D) {
1828    case NV50_IR_SUBOP_SUCLAMP_SD(0, 1): m = 0; break;
1829    case NV50_IR_SUBOP_SUCLAMP_SD(1, 1): m = 1; break;
1830    case NV50_IR_SUBOP_SUCLAMP_SD(2, 1): m = 2; break;
1831    case NV50_IR_SUBOP_SUCLAMP_SD(3, 1): m = 3; break;
1832    case NV50_IR_SUBOP_SUCLAMP_SD(4, 1): m = 4; break;
1833    case NV50_IR_SUBOP_SUCLAMP_PL(0, 1): m = 5; break;
1834    case NV50_IR_SUBOP_SUCLAMP_PL(1, 1): m = 6; break;
1835    case NV50_IR_SUBOP_SUCLAMP_PL(2, 1): m = 7; break;
1836    case NV50_IR_SUBOP_SUCLAMP_PL(3, 1): m = 8; break;
1837    case NV50_IR_SUBOP_SUCLAMP_PL(4, 1): m = 9; break;
1838    case NV50_IR_SUBOP_SUCLAMP_BL(0, 1): m = 10; break;
1839    case NV50_IR_SUBOP_SUCLAMP_BL(1, 1): m = 11; break;
1840    case NV50_IR_SUBOP_SUCLAMP_BL(2, 1): m = 12; break;
1841    case NV50_IR_SUBOP_SUCLAMP_BL(3, 1): m = 13; break;
1842    case NV50_IR_SUBOP_SUCLAMP_BL(4, 1): m = 14; break;
1843    default:
1844       return;
1845    }
1846    code[1] |= m << 20;
1847    if (subOp & NV50_IR_SUBOP_SUCLAMP_2D)
1848       code[1] |= 1 << 24;
1849 }
1850 
1851 void
emitSUCalc(Instruction * i)1852 CodeEmitterGK110::emitSUCalc(Instruction *i)
1853 {
1854    ImmediateValue *imm = NULL;
1855    uint64_t opc1, opc2;
1856 
1857    if (i->srcExists(2)) {
1858       imm = i->getSrc(2)->asImm();
1859       if (imm)
1860          i->setSrc(2, NULL); // special case, make emitForm_21 not assert
1861    }
1862 
1863    switch (i->op) {
1864    case OP_SUCLAMP:  opc1 = 0xb00; opc2 = 0x580; break;
1865    case OP_SUBFM:    opc1 = 0xb68; opc2 = 0x1e8; break;
1866    case OP_SUEAU:    opc1 = 0xb6c; opc2 = 0x1ec; break;
1867    default:
1868       assert(0);
1869       return;
1870    }
1871    emitForm_21(i, opc2, opc1);
1872 
1873    if (i->op == OP_SUCLAMP) {
1874       if (i->dType == TYPE_S32)
1875          code[1] |= 1 << 19;
1876       emitSUCLAMPMode(i->subOp);
1877    }
1878 
1879    if (i->op == OP_SUBFM && i->subOp == NV50_IR_SUBOP_SUBFM_3D)
1880       code[1] |= 1 << 18;
1881 
1882    if (i->op != OP_SUEAU) {
1883       const uint8_t pos = i->op == OP_SUBFM ? 19 : 16;
1884       if (i->def(0).getFile() == FILE_PREDICATE) { // p, #
1885          code[0] |= 255 << 2;
1886          code[1] |= i->getDef(1)->reg.data.id << pos;
1887       } else
1888       if (i->defExists(1)) { // r, p
1889          assert(i->def(1).getFile() == FILE_PREDICATE);
1890          code[1] |= i->getDef(1)->reg.data.id << pos;
1891       } else { // r, #
1892          code[1] |= 7 << pos;
1893       }
1894    }
1895 
1896    if (imm) {
1897       assert(i->op == OP_SUCLAMP);
1898       i->setSrc(2, imm);
1899       code[1] |= (imm->reg.data.u32 & 0x3f) << 10; // sint6
1900    }
1901 }
1902 
1903 
1904 void
emitVectorSubOp(const Instruction * i)1905 CodeEmitterGK110::emitVectorSubOp(const Instruction *i)
1906 {
1907    switch (NV50_IR_SUBOP_Vn(i->subOp)) {
1908    case 0:
1909       code[1] |= (i->subOp & 0x000f) << 7;  // vsrc1
1910       code[1] |= (i->subOp & 0x00e0) >> 6;  // vsrc2
1911       code[1] |= (i->subOp & 0x0100) << 13; // vsrc2
1912       code[1] |= (i->subOp & 0x3c00) << 12; // vdst
1913       break;
1914    default:
1915       assert(0);
1916       break;
1917    }
1918 }
1919 
1920 void
emitVSHL(const Instruction * i)1921 CodeEmitterGK110::emitVSHL(const Instruction *i)
1922 {
1923    code[0] = 0x00000002;
1924    code[1] = 0xb8000000;
1925 
1926    assert(NV50_IR_SUBOP_Vn(i->subOp) == 0);
1927 
1928    if (isSignedType(i->dType)) code[1] |= 1 << 25;
1929    if (isSignedType(i->sType)) code[1] |= 1 << 19;
1930 
1931    emitVectorSubOp(i);
1932 
1933    emitPredicate(i);
1934    defId(i->def(0), 2);
1935    srcId(i->src(0), 10);
1936 
1937    if (i->getSrc(1)->reg.file == FILE_IMMEDIATE) {
1938       ImmediateValue *imm = i->getSrc(1)->asImm();
1939       assert(imm);
1940       code[0] |= (imm->reg.data.u32 & 0x01ff) << 23;
1941       code[1] |= (imm->reg.data.u32 & 0xfe00) >> 9;
1942    } else {
1943       assert(i->getSrc(1)->reg.file == FILE_GPR);
1944       code[1] |= 1 << 21;
1945       srcId(i->src(1), 23);
1946    }
1947    srcId(i->src(2), 42);
1948 
1949    if (i->saturate)
1950       code[0] |= 1 << 22;
1951    if (i->flagsDef >= 0)
1952       code[1] |= 1 << 18;
1953 }
1954 
1955 void
emitAFETCH(const Instruction * i)1956 CodeEmitterGK110::emitAFETCH(const Instruction *i)
1957 {
1958    uint32_t offset = i->src(0).get()->reg.data.offset & 0x7ff;
1959 
1960    code[0] = 0x00000002 | (offset << 23);
1961    code[1] = 0x7d000000 | (offset >> 9);
1962 
1963    if (i->getSrc(0)->reg.file == FILE_SHADER_OUTPUT)
1964       code[1] |= 0x8;
1965 
1966    emitPredicate(i);
1967 
1968    defId(i->def(0), 2);
1969    srcId(i->src(0).getIndirect(0), 10);
1970 }
1971 
1972 void
emitPFETCH(const Instruction * i)1973 CodeEmitterGK110::emitPFETCH(const Instruction *i)
1974 {
1975    uint32_t prim = i->src(0).get()->reg.data.u32;
1976 
1977    code[0] = 0x00000002 | ((prim & 0xff) << 23);
1978    code[1] = 0x7f800000;
1979 
1980    emitPredicate(i);
1981 
1982    const int src1 = (i->predSrc == 1) ? 2 : 1; // if predSrc == 1, !srcExists(2)
1983 
1984    defId(i->def(0), 2);
1985    srcId(i, src1, 10);
1986 }
1987 
1988 void
emitVFETCH(const Instruction * i)1989 CodeEmitterGK110::emitVFETCH(const Instruction *i)
1990 {
1991    unsigned int size = typeSizeof(i->dType);
1992    uint32_t offset = i->src(0).get()->reg.data.offset;
1993 
1994    code[0] = 0x00000002 | (offset << 23);
1995    code[1] = 0x7ec00000 | (offset >> 9);
1996    code[1] |= (size / 4 - 1) << 18;
1997 
1998    if (i->perPatch)
1999       code[1] |= 0x4;
2000    if (i->getSrc(0)->reg.file == FILE_SHADER_OUTPUT)
2001       code[1] |= 0x8; // yes, TCPs can read from *outputs* of other threads
2002 
2003    emitPredicate(i);
2004 
2005    defId(i->def(0), 2);
2006    srcId(i->src(0).getIndirect(0), 10);
2007    srcId(i->src(0).getIndirect(1), 32 + 10); // vertex address
2008 }
2009 
2010 void
emitEXPORT(const Instruction * i)2011 CodeEmitterGK110::emitEXPORT(const Instruction *i)
2012 {
2013    unsigned int size = typeSizeof(i->dType);
2014    uint32_t offset = i->src(0).get()->reg.data.offset;
2015 
2016    code[0] = 0x00000002 | (offset << 23);
2017    code[1] = 0x7f000000 | (offset >> 9);
2018    code[1] |= (size / 4 - 1) << 18;
2019 
2020    if (i->perPatch)
2021       code[1] |= 0x4;
2022 
2023    emitPredicate(i);
2024 
2025    assert(i->src(1).getFile() == FILE_GPR);
2026 
2027    srcId(i->src(0).getIndirect(0), 10);
2028    srcId(i->src(0).getIndirect(1), 32 + 10); // vertex base address
2029    srcId(i->src(1), 2);
2030 }
2031 
2032 void
emitOUT(const Instruction * i)2033 CodeEmitterGK110::emitOUT(const Instruction *i)
2034 {
2035    assert(i->src(0).getFile() == FILE_GPR);
2036 
2037    emitForm_21(i, 0x1f0, 0xb70);
2038 
2039    if (i->op == OP_EMIT)
2040       code[1] |= 1 << 10;
2041    if (i->op == OP_RESTART || i->subOp == NV50_IR_SUBOP_EMIT_RESTART)
2042       code[1] |= 1 << 11;
2043 }
2044 
2045 void
emitInterpMode(const Instruction * i)2046 CodeEmitterGK110::emitInterpMode(const Instruction *i)
2047 {
2048    code[1] |= (i->ipa & 0x3) << 21; // TODO: INTERP_SAMPLEID
2049    code[1] |= (i->ipa & 0xc) << (19 - 2);
2050 }
2051 
2052 void
gk110_interpApply(const struct FixupEntry * entry,uint32_t * code,const FixupData & data)2053 gk110_interpApply(const struct FixupEntry *entry, uint32_t *code, const FixupData& data)
2054 {
2055    int ipa = entry->ipa;
2056    int reg = entry->reg;
2057    int loc = entry->loc;
2058 
2059    if (data.flatshade &&
2060        (ipa & NV50_IR_INTERP_MODE_MASK) == NV50_IR_INTERP_SC) {
2061       ipa = NV50_IR_INTERP_FLAT;
2062       reg = 0xff;
2063    } else if (data.force_persample_interp &&
2064               (ipa & NV50_IR_INTERP_SAMPLE_MASK) == NV50_IR_INTERP_DEFAULT &&
2065               (ipa & NV50_IR_INTERP_MODE_MASK) != NV50_IR_INTERP_FLAT) {
2066       ipa |= NV50_IR_INTERP_CENTROID;
2067    }
2068    code[loc + 1] &= ~(0xf << 19);
2069    code[loc + 1] |= (ipa & 0x3) << 21;
2070    code[loc + 1] |= (ipa & 0xc) << (19 - 2);
2071    code[loc + 0] &= ~(0xff << 23);
2072    code[loc + 0] |= reg << 23;
2073 }
2074 
2075 void
emitINTERP(const Instruction * i)2076 CodeEmitterGK110::emitINTERP(const Instruction *i)
2077 {
2078    const uint32_t base = i->getSrc(0)->reg.data.offset;
2079 
2080    code[0] = 0x00000002 | (base << 31);
2081    code[1] = 0x74800000 | (base >> 1);
2082 
2083    if (i->saturate)
2084       code[1] |= 1 << 18;
2085 
2086    if (i->op == OP_PINTERP) {
2087       srcId(i->src(1), 23);
2088       addInterp(i->ipa, SDATA(i->src(1)).id, gk110_interpApply);
2089    } else {
2090       code[0] |= 0xff << 23;
2091       addInterp(i->ipa, 0xff, gk110_interpApply);
2092    }
2093 
2094    srcId(i->src(0).getIndirect(0), 10);
2095    emitInterpMode(i);
2096 
2097    emitPredicate(i);
2098    defId(i->def(0), 2);
2099 
2100    if (i->getSampleMode() == NV50_IR_INTERP_OFFSET)
2101       srcId(i->src(i->op == OP_PINTERP ? 2 : 1), 32 + 10);
2102    else
2103       code[1] |= 0xff << 10;
2104 }
2105 
2106 void
emitLoadStoreType(DataType ty,const int pos)2107 CodeEmitterGK110::emitLoadStoreType(DataType ty, const int pos)
2108 {
2109    uint8_t n;
2110 
2111    switch (ty) {
2112    case TYPE_U8:
2113       n = 0;
2114       break;
2115    case TYPE_S8:
2116       n = 1;
2117       break;
2118    case TYPE_U16:
2119       n = 2;
2120       break;
2121    case TYPE_S16:
2122       n = 3;
2123       break;
2124    case TYPE_F32:
2125    case TYPE_U32:
2126    case TYPE_S32:
2127       n = 4;
2128       break;
2129    case TYPE_F64:
2130    case TYPE_U64:
2131    case TYPE_S64:
2132       n = 5;
2133       break;
2134    case TYPE_B128:
2135       n = 6;
2136       break;
2137    default:
2138       n = 0;
2139       assert(!"invalid ld/st type");
2140       break;
2141    }
2142    code[pos / 32] |= n << (pos % 32);
2143 }
2144 
2145 void
emitCachingMode(CacheMode c,const int pos)2146 CodeEmitterGK110::emitCachingMode(CacheMode c, const int pos)
2147 {
2148    uint8_t n;
2149 
2150    switch (c) {
2151    case CACHE_CA:
2152 // case CACHE_WB:
2153       n = 0;
2154       break;
2155    case CACHE_CG:
2156       n = 1;
2157       break;
2158    case CACHE_CS:
2159       n = 2;
2160       break;
2161    case CACHE_CV:
2162 // case CACHE_WT:
2163       n = 3;
2164       break;
2165    default:
2166       n = 0;
2167       assert(!"invalid caching mode");
2168       break;
2169    }
2170    code[pos / 32] |= n << (pos % 32);
2171 }
2172 
2173 void
emitSTORE(const Instruction * i)2174 CodeEmitterGK110::emitSTORE(const Instruction *i)
2175 {
2176    int32_t offset = SDATA(i->src(0)).offset;
2177 
2178    switch (i->src(0).getFile()) {
2179    case FILE_MEMORY_GLOBAL: code[1] = 0xe0000000; code[0] = 0x00000000; break;
2180    case FILE_MEMORY_LOCAL:  code[1] = 0x7a800000; code[0] = 0x00000002; break;
2181    case FILE_MEMORY_SHARED:
2182       code[0] = 0x00000002;
2183       if (i->subOp == NV50_IR_SUBOP_STORE_UNLOCKED)
2184          code[1] = 0x78400000;
2185       else
2186          code[1] = 0x7ac00000;
2187       break;
2188    default:
2189       assert(!"invalid memory file");
2190       break;
2191    }
2192 
2193    if (code[0] & 0x2) {
2194       offset &= 0xffffff;
2195       emitLoadStoreType(i->dType, 0x33);
2196       if (i->src(0).getFile() == FILE_MEMORY_LOCAL)
2197          emitCachingMode(i->cache, 0x2f);
2198    } else {
2199       emitLoadStoreType(i->dType, 0x38);
2200       emitCachingMode(i->cache, 0x3b);
2201    }
2202    code[0] |= offset << 23;
2203    code[1] |= offset >> 9;
2204 
2205    // Unlocked store on shared memory can fail.
2206    if (i->src(0).getFile() == FILE_MEMORY_SHARED &&
2207        i->subOp == NV50_IR_SUBOP_STORE_UNLOCKED) {
2208       assert(i->defExists(0));
2209       defId(i->def(0), 32 + 16);
2210    }
2211 
2212    emitPredicate(i);
2213 
2214    srcId(i->src(1), 2);
2215    srcId(i->src(0).getIndirect(0), 10);
2216    if (i->src(0).getFile() == FILE_MEMORY_GLOBAL &&
2217        i->src(0).isIndirect(0) &&
2218        i->getIndirect(0, 0)->reg.size == 8)
2219       code[1] |= 1 << 23;
2220 }
2221 
2222 void
emitLOAD(const Instruction * i)2223 CodeEmitterGK110::emitLOAD(const Instruction *i)
2224 {
2225    int32_t offset = SDATA(i->src(0)).offset;
2226 
2227    switch (i->src(0).getFile()) {
2228    case FILE_MEMORY_GLOBAL: code[1] = 0xc0000000; code[0] = 0x00000000; break;
2229    case FILE_MEMORY_LOCAL:  code[1] = 0x7a000000; code[0] = 0x00000002; break;
2230    case FILE_MEMORY_SHARED:
2231       code[0] = 0x00000002;
2232       if (i->subOp == NV50_IR_SUBOP_LOAD_LOCKED)
2233          code[1] = 0x77400000;
2234       else
2235          code[1] = 0x7a400000;
2236       break;
2237    case FILE_MEMORY_CONST:
2238       if (!i->src(0).isIndirect(0) && typeSizeof(i->dType) == 4) {
2239          emitMOV(i);
2240          return;
2241       }
2242       offset &= 0xffff;
2243       code[0] = 0x00000002;
2244       code[1] = 0x7c800000 | (i->src(0).get()->reg.fileIndex << 7);
2245       code[1] |= i->subOp << 15;
2246       break;
2247    default:
2248       assert(!"invalid memory file");
2249       break;
2250    }
2251 
2252    if (code[0] & 0x2) {
2253       offset &= 0xffffff;
2254       emitLoadStoreType(i->dType, 0x33);
2255       if (i->src(0).getFile() == FILE_MEMORY_LOCAL)
2256          emitCachingMode(i->cache, 0x2f);
2257    } else {
2258       emitLoadStoreType(i->dType, 0x38);
2259       emitCachingMode(i->cache, 0x3b);
2260    }
2261    code[0] |= offset << 23;
2262    code[1] |= offset >> 9;
2263 
2264    // Locked store on shared memory can fail.
2265    int r = 0, p = -1;
2266    if (i->src(0).getFile() == FILE_MEMORY_SHARED &&
2267        i->subOp == NV50_IR_SUBOP_LOAD_LOCKED) {
2268       if (i->def(0).getFile() == FILE_PREDICATE) { // p, #
2269          r = -1;
2270          p = 0;
2271       } else if (i->defExists(1)) { // r, p
2272          p = 1;
2273       } else {
2274          assert(!"Expected predicate dest for load locked");
2275       }
2276    }
2277 
2278    emitPredicate(i);
2279 
2280    if (r >= 0)
2281       defId(i->def(r), 2);
2282    else
2283       code[0] |= 255 << 2;
2284 
2285    if (p >= 0)
2286       defId(i->def(p), 32 + 16);
2287 
2288    if (i->getIndirect(0, 0)) {
2289       srcId(i->src(0).getIndirect(0), 10);
2290       if (i->getIndirect(0, 0)->reg.size == 8)
2291          code[1] |= 1 << 23;
2292    } else {
2293       code[0] |= 255 << 10;
2294    }
2295 }
2296 
2297 uint8_t
getSRegEncoding(const ValueRef & ref)2298 CodeEmitterGK110::getSRegEncoding(const ValueRef& ref)
2299 {
2300    switch (SDATA(ref).sv.sv) {
2301    case SV_LANEID:        return 0x00;
2302    case SV_PHYSID:        return 0x03;
2303    case SV_VERTEX_COUNT:  return 0x10;
2304    case SV_INVOCATION_ID: return 0x11;
2305    case SV_YDIR:          return 0x12;
2306    case SV_THREAD_KILL:   return 0x13;
2307    case SV_COMBINED_TID:  return 0x20;
2308    case SV_TID:           return 0x21 + SDATA(ref).sv.index;
2309    case SV_CTAID:         return 0x25 + SDATA(ref).sv.index;
2310    case SV_NTID:          return 0x29 + SDATA(ref).sv.index;
2311    case SV_GRIDID:        return 0x2c;
2312    case SV_NCTAID:        return 0x2d + SDATA(ref).sv.index;
2313    case SV_LBASE:         return 0x34;
2314    case SV_SBASE:         return 0x30;
2315    case SV_LANEMASK_EQ:   return 0x38;
2316    case SV_LANEMASK_LT:   return 0x39;
2317    case SV_LANEMASK_LE:   return 0x3a;
2318    case SV_LANEMASK_GT:   return 0x3b;
2319    case SV_LANEMASK_GE:   return 0x3c;
2320    case SV_CLOCK:         return 0x50 + SDATA(ref).sv.index;
2321    default:
2322       assert(!"no sreg for system value");
2323       return 0;
2324    }
2325 }
2326 
2327 void
emitMOV(const Instruction * i)2328 CodeEmitterGK110::emitMOV(const Instruction *i)
2329 {
2330    if (i->def(0).getFile() == FILE_PREDICATE) {
2331       if (i->src(0).getFile() == FILE_GPR) {
2332          // Use ISETP.NE.AND dst, PT, src, RZ, PT
2333          code[0] = 0x00000002;
2334          code[1] = 0xdb500000;
2335 
2336          code[0] |= 0x7 << 2;
2337          code[0] |= 0xff << 23;
2338          code[1] |= 0x7 << 10;
2339          srcId(i->src(0), 10);
2340       } else
2341       if (i->src(0).getFile() == FILE_PREDICATE) {
2342          // Use PSETP.AND.AND dst, PT, src, PT, PT
2343          code[0] = 0x00000002;
2344          code[1] = 0x84800000;
2345 
2346          code[0] |= 0x7 << 2;
2347          code[1] |= 0x7 << 0;
2348          code[1] |= 0x7 << 10;
2349 
2350          srcId(i->src(0), 14);
2351       } else {
2352          assert(!"Unexpected source for predicate destination");
2353          emitNOP(i);
2354       }
2355       emitPredicate(i);
2356       defId(i->def(0), 5);
2357    } else
2358    if (i->src(0).getFile() == FILE_SYSTEM_VALUE) {
2359       code[0] = 0x00000002 | (getSRegEncoding(i->src(0)) << 23);
2360       code[1] = 0x86400000;
2361       emitPredicate(i);
2362       defId(i->def(0), 2);
2363    } else
2364    if (i->src(0).getFile() == FILE_IMMEDIATE) {
2365       code[0] = 0x00000002 | (i->lanes << 14);
2366       code[1] = 0x74000000;
2367       emitPredicate(i);
2368       defId(i->def(0), 2);
2369       setImmediate32(i, 0, Modifier(0));
2370    } else
2371    if (i->src(0).getFile() == FILE_PREDICATE) {
2372       code[0] = 0x00000002;
2373       code[1] = 0x84401c07;
2374       emitPredicate(i);
2375       defId(i->def(0), 2);
2376       srcId(i->src(0), 14);
2377    } else {
2378       emitForm_C(i, 0x24c, 2);
2379       code[1] |= i->lanes << 10;
2380    }
2381 }
2382 
2383 static inline bool
uses64bitAddress(const Instruction * ldst)2384 uses64bitAddress(const Instruction *ldst)
2385 {
2386    return ldst->src(0).getFile() == FILE_MEMORY_GLOBAL &&
2387       ldst->src(0).isIndirect(0) &&
2388       ldst->getIndirect(0, 0)->reg.size == 8;
2389 }
2390 
2391 void
emitATOM(const Instruction * i)2392 CodeEmitterGK110::emitATOM(const Instruction *i)
2393 {
2394    const bool hasDst = i->defExists(0);
2395    const bool exch = i->subOp == NV50_IR_SUBOP_ATOM_EXCH;
2396 
2397    code[0] = 0x00000002;
2398    if (i->subOp == NV50_IR_SUBOP_ATOM_CAS)
2399       code[1] = 0x77800000;
2400    else
2401       code[1] = 0x68000000;
2402 
2403    switch (i->subOp) {
2404    case NV50_IR_SUBOP_ATOM_CAS: break;
2405    case NV50_IR_SUBOP_ATOM_EXCH: code[1] |= 0x04000000; break;
2406    default: code[1] |= i->subOp << 23; break;
2407    }
2408 
2409    switch (i->dType) {
2410    case TYPE_U32: break;
2411    case TYPE_S32: code[1] |= 0x00100000; break;
2412    case TYPE_U64: code[1] |= 0x00200000; break;
2413    case TYPE_F32: code[1] |= 0x00300000; break;
2414    case TYPE_B128: code[1] |= 0x00400000; break; /* TODO: U128 */
2415    case TYPE_S64: code[1] |= 0x00500000; break;
2416    default: assert(!"unsupported type"); break;
2417    }
2418 
2419    emitPredicate(i);
2420 
2421    /* TODO: cas: check that src regs line up */
2422    /* TODO: cas: flip bits if $r255 is used */
2423    srcId(i->src(1), 23);
2424 
2425    if (hasDst) {
2426       defId(i->def(0), 2);
2427    } else
2428    if (!exch) {
2429       code[0] |= 255 << 2;
2430    }
2431 
2432    if (hasDst || !exch) {
2433       const int32_t offset = SDATA(i->src(0)).offset;
2434       assert(offset < 0x80000 && offset >= -0x80000);
2435       code[0] |= (offset & 1) << 31;
2436       code[1] |= (offset & 0xffffe) >> 1;
2437    } else {
2438       srcAddr32(i->src(0), 31);
2439    }
2440 
2441    if (i->getIndirect(0, 0)) {
2442       srcId(i->getIndirect(0, 0), 10);
2443       if (i->getIndirect(0, 0)->reg.size == 8)
2444          code[1] |= 1 << 19;
2445    } else {
2446       code[0] |= 255 << 10;
2447    }
2448 }
2449 
2450 void
emitCCTL(const Instruction * i)2451 CodeEmitterGK110::emitCCTL(const Instruction *i)
2452 {
2453    int32_t offset = SDATA(i->src(0)).offset;
2454 
2455    code[0] = 0x00000002 | (i->subOp << 2);
2456 
2457    if (i->src(0).getFile() == FILE_MEMORY_GLOBAL) {
2458       code[1] = 0x7b000000;
2459    } else {
2460       code[1] = 0x7c000000;
2461       offset &= 0xffffff;
2462    }
2463    code[0] |= offset << 23;
2464    code[1] |= offset >> 9;
2465 
2466    if (uses64bitAddress(i))
2467       code[1] |= 1 << 23;
2468    srcId(i->src(0).getIndirect(0), 10);
2469 
2470    emitPredicate(i);
2471 }
2472 
2473 bool
emitInstruction(Instruction * insn)2474 CodeEmitterGK110::emitInstruction(Instruction *insn)
2475 {
2476    const unsigned int size = (writeIssueDelays && !(codeSize & 0x3f)) ? 16 : 8;
2477 
2478    if (insn->encSize != 8) {
2479       ERROR("skipping unencodable instruction: ");
2480       insn->print();
2481       return false;
2482    } else
2483    if (codeSize + size > codeSizeLimit) {
2484       ERROR("code emitter output buffer too small\n");
2485       return false;
2486    }
2487 
2488    if (writeIssueDelays) {
2489       int id = (codeSize & 0x3f) / 8 - 1;
2490       if (id < 0) {
2491          id += 1;
2492          code[0] = 0x00000000; // cf issue delay "instruction"
2493          code[1] = 0x08000000;
2494          code += 2;
2495          codeSize += 8;
2496       }
2497       uint32_t *data = code - (id * 2 + 2);
2498 
2499       switch (id) {
2500       case 0: data[0] |= insn->sched << 2; break;
2501       case 1: data[0] |= insn->sched << 10; break;
2502       case 2: data[0] |= insn->sched << 18; break;
2503       case 3: data[0] |= insn->sched << 26; data[1] |= insn->sched >> 6; break;
2504       case 4: data[1] |= insn->sched << 2; break;
2505       case 5: data[1] |= insn->sched << 10; break;
2506       case 6: data[1] |= insn->sched << 18; break;
2507       default:
2508          assert(0);
2509          break;
2510       }
2511    }
2512 
2513    // assert that instructions with multiple defs don't corrupt registers
2514    for (int d = 0; insn->defExists(d); ++d)
2515       assert(insn->asTex() || insn->def(d).rep()->reg.data.id >= 0);
2516 
2517    switch (insn->op) {
2518    case OP_MOV:
2519    case OP_RDSV:
2520       emitMOV(insn);
2521       break;
2522    case OP_NOP:
2523       break;
2524    case OP_LOAD:
2525       emitLOAD(insn);
2526       break;
2527    case OP_STORE:
2528       emitSTORE(insn);
2529       break;
2530    case OP_LINTERP:
2531    case OP_PINTERP:
2532       emitINTERP(insn);
2533       break;
2534    case OP_VFETCH:
2535       emitVFETCH(insn);
2536       break;
2537    case OP_EXPORT:
2538       emitEXPORT(insn);
2539       break;
2540    case OP_AFETCH:
2541       emitAFETCH(insn);
2542       break;
2543    case OP_PFETCH:
2544       emitPFETCH(insn);
2545       break;
2546    case OP_EMIT:
2547    case OP_RESTART:
2548       emitOUT(insn);
2549       break;
2550    case OP_ADD:
2551    case OP_SUB:
2552       if (insn->dType == TYPE_F64)
2553          emitDADD(insn);
2554       else if (isFloatType(insn->dType))
2555          emitFADD(insn);
2556       else
2557          emitUADD(insn);
2558       break;
2559    case OP_MUL:
2560       if (insn->dType == TYPE_F64)
2561          emitDMUL(insn);
2562       else if (isFloatType(insn->dType))
2563          emitFMUL(insn);
2564       else
2565          emitIMUL(insn);
2566       break;
2567    case OP_MAD:
2568    case OP_FMA:
2569       if (insn->dType == TYPE_F64)
2570          emitDMAD(insn);
2571       else if (isFloatType(insn->dType))
2572          emitFMAD(insn);
2573       else
2574          emitIMAD(insn);
2575       break;
2576    case OP_MADSP:
2577       emitMADSP(insn);
2578       break;
2579    case OP_SAD:
2580       emitISAD(insn);
2581       break;
2582    case OP_SHLADD:
2583       emitSHLADD(insn);
2584       break;
2585    case OP_NOT:
2586       emitNOT(insn);
2587       break;
2588    case OP_AND:
2589       emitLogicOp(insn, 0);
2590       break;
2591    case OP_OR:
2592       emitLogicOp(insn, 1);
2593       break;
2594    case OP_XOR:
2595       emitLogicOp(insn, 2);
2596       break;
2597    case OP_SHL:
2598    case OP_SHR:
2599       if (typeSizeof(insn->sType) == 8)
2600          emitShift64(insn);
2601       else
2602          emitShift(insn);
2603       break;
2604    case OP_SET:
2605    case OP_SET_AND:
2606    case OP_SET_OR:
2607    case OP_SET_XOR:
2608       emitSET(insn->asCmp());
2609       break;
2610    case OP_SELP:
2611       emitSELP(insn);
2612       break;
2613    case OP_SLCT:
2614       emitSLCT(insn->asCmp());
2615       break;
2616    case OP_MIN:
2617    case OP_MAX:
2618       emitMINMAX(insn);
2619       break;
2620    case OP_ABS:
2621    case OP_NEG:
2622    case OP_CEIL:
2623    case OP_FLOOR:
2624    case OP_TRUNC:
2625    case OP_SAT:
2626       emitCVT(insn);
2627       break;
2628    case OP_CVT:
2629       if (insn->def(0).getFile() == FILE_PREDICATE ||
2630           insn->src(0).getFile() == FILE_PREDICATE)
2631          emitMOV(insn);
2632       else
2633          emitCVT(insn);
2634       break;
2635    case OP_RSQ:
2636       emitSFnOp(insn, 5 + 2 * insn->subOp);
2637       break;
2638    case OP_RCP:
2639       emitSFnOp(insn, 4 + 2 * insn->subOp);
2640       break;
2641    case OP_LG2:
2642       emitSFnOp(insn, 3);
2643       break;
2644    case OP_EX2:
2645       emitSFnOp(insn, 2);
2646       break;
2647    case OP_SIN:
2648       emitSFnOp(insn, 1);
2649       break;
2650    case OP_COS:
2651       emitSFnOp(insn, 0);
2652       break;
2653    case OP_PRESIN:
2654    case OP_PREEX2:
2655       emitPreOp(insn);
2656       break;
2657    case OP_TEX:
2658    case OP_TXB:
2659    case OP_TXL:
2660    case OP_TXD:
2661    case OP_TXF:
2662    case OP_TXG:
2663    case OP_TXLQ:
2664       emitTEX(insn->asTex());
2665       break;
2666    case OP_TXQ:
2667       emitTXQ(insn->asTex());
2668       break;
2669    case OP_TEXBAR:
2670       emitTEXBAR(insn);
2671       break;
2672    case OP_PIXLD:
2673       emitPIXLD(insn);
2674       break;
2675    case OP_BRA:
2676    case OP_CALL:
2677    case OP_PRERET:
2678    case OP_RET:
2679    case OP_DISCARD:
2680    case OP_EXIT:
2681    case OP_PRECONT:
2682    case OP_CONT:
2683    case OP_PREBREAK:
2684    case OP_BREAK:
2685    case OP_JOINAT:
2686    case OP_BRKPT:
2687    case OP_QUADON:
2688    case OP_QUADPOP:
2689       emitFlow(insn);
2690       break;
2691    case OP_QUADOP:
2692       emitQUADOP(insn, insn->subOp, insn->lanes);
2693       break;
2694    case OP_DFDX:
2695       emitQUADOP(insn, insn->src(0).mod.neg() ? 0x66 : 0x99, 0x4);
2696       break;
2697    case OP_DFDY:
2698       emitQUADOP(insn, insn->src(0).mod.neg() ? 0x5a : 0xa5, 0x5);
2699       break;
2700    case OP_POPCNT:
2701       emitPOPC(insn);
2702       break;
2703    case OP_INSBF:
2704       emitINSBF(insn);
2705       break;
2706    case OP_EXTBF:
2707       emitEXTBF(insn);
2708       break;
2709    case OP_BFIND:
2710       emitBFIND(insn);
2711       break;
2712    case OP_PERMT:
2713       emitPERMT(insn);
2714       break;
2715    case OP_JOIN:
2716       emitNOP(insn);
2717       insn->join = 1;
2718       break;
2719    case OP_BAR:
2720       emitBAR(insn);
2721       break;
2722    case OP_MEMBAR:
2723       emitMEMBAR(insn);
2724       break;
2725    case OP_ATOM:
2726       emitATOM(insn);
2727       break;
2728    case OP_CCTL:
2729       emitCCTL(insn);
2730       break;
2731    case OP_SHFL:
2732       emitSHFL(insn);
2733       break;
2734    case OP_VOTE:
2735       emitVOTE(insn);
2736       break;
2737    case OP_SULDB:
2738       emitSULDGB(insn->asTex());
2739       break;
2740    case OP_SUSTB:
2741    case OP_SUSTP:
2742       emitSUSTGx(insn->asTex());
2743       break;
2744    case OP_SUBFM:
2745    case OP_SUCLAMP:
2746    case OP_SUEAU:
2747       emitSUCalc(insn);
2748       break;
2749    case OP_VSHL:
2750       emitVSHL(insn);
2751       break;
2752    case OP_PHI:
2753    case OP_UNION:
2754    case OP_CONSTRAINT:
2755       ERROR("operation should have been eliminated");
2756       return false;
2757    case OP_EXP:
2758    case OP_LOG:
2759    case OP_SQRT:
2760    case OP_POW:
2761       ERROR("operation should have been lowered\n");
2762       return false;
2763    default:
2764       ERROR("unknown op: %u\n", insn->op);
2765       return false;
2766    }
2767 
2768    if (insn->join)
2769       code[0] |= 1 << 22;
2770 
2771    code += 2;
2772    codeSize += 8;
2773    return true;
2774 }
2775 
2776 uint32_t
getMinEncodingSize(const Instruction * i) const2777 CodeEmitterGK110::getMinEncodingSize(const Instruction *i) const
2778 {
2779    // No more short instruction encodings.
2780    return 8;
2781 }
2782 
2783 void
prepareEmission(Function * func)2784 CodeEmitterGK110::prepareEmission(Function *func)
2785 {
2786    const Target *targ = func->getProgram()->getTarget();
2787 
2788    CodeEmitter::prepareEmission(func);
2789 
2790    if (targ->hasSWSched)
2791       calculateSchedDataNVC0(targ, func);
2792 }
2793 
CodeEmitterGK110(const TargetNVC0 * target,Program::Type type)2794 CodeEmitterGK110::CodeEmitterGK110(const TargetNVC0 *target, Program::Type type)
2795    : CodeEmitter(target),
2796      targNVC0(target),
2797      progType(type),
2798      writeIssueDelays(target->hasSWSched)
2799 {
2800    code = NULL;
2801    codeSize = codeSizeLimit = 0;
2802    relocInfo = NULL;
2803 }
2804 
2805 CodeEmitter *
createCodeEmitterGK110(Program::Type type)2806 TargetNVC0::createCodeEmitterGK110(Program::Type type)
2807 {
2808    CodeEmitterGK110 *emit = new CodeEmitterGK110(this, type);
2809    return emit;
2810 }
2811 
2812 } // namespace nv50_ir
2813