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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
|
//===- PTXInstrInfo.td - PTX Instruction defs -----------------*- tblgen-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the PTX instructions in TableGen format.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Instruction format superclass
//===----------------------------------------------------------------------===//
include "PTXInstrFormats.td"
//===----------------------------------------------------------------------===//
// Code Generation Predicates
//===----------------------------------------------------------------------===//
// Addressing
def Use32BitAddresses : Predicate<"!getSubtarget().use64BitAddresses()">;
def Use64BitAddresses : Predicate<"getSubtarget().use64BitAddresses()">;
// Shader Model Support
def SupportsSM13 : Predicate<"getSubtarget().supportsSM13()">;
def DoesNotSupportSM13 : Predicate<"!getSubtarget().supportsSM13()">;
def SupportsSM20 : Predicate<"getSubtarget().supportsSM20()">;
def DoesNotSupportSM20 : Predicate<"!getSubtarget().supportsSM20()">;
// PTX Version Support
def SupportsPTX20 : Predicate<"getSubtarget().supportsPTX20()">;
def DoesNotSupportPTX20 : Predicate<"!getSubtarget().supportsPTX20()">;
def SupportsPTX21 : Predicate<"getSubtarget().supportsPTX21()">;
def DoesNotSupportPTX21 : Predicate<"!getSubtarget().supportsPTX21()">;
//===----------------------------------------------------------------------===//
// Instruction Pattern Stuff
//===----------------------------------------------------------------------===//
def load_global : PatFrag<(ops node:$ptr), (load node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<LoadSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::GLOBAL;
return false;
}]>;
def load_constant : PatFrag<(ops node:$ptr), (load node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<LoadSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::CONSTANT;
return false;
}]>;
def load_local : PatFrag<(ops node:$ptr), (load node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<LoadSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::LOCAL;
return false;
}]>;
def load_parameter : PatFrag<(ops node:$ptr), (load node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<LoadSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::PARAMETER;
return false;
}]>;
def load_shared : PatFrag<(ops node:$ptr), (load node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<LoadSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::SHARED;
return false;
}]>;
def store_global
: PatFrag<(ops node:$d, node:$ptr), (store node:$d, node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<StoreSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::GLOBAL;
return false;
}]>;
def store_local
: PatFrag<(ops node:$d, node:$ptr), (store node:$d, node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<StoreSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::LOCAL;
return false;
}]>;
def store_parameter
: PatFrag<(ops node:$d, node:$ptr), (store node:$d, node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<StoreSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::PARAMETER;
return false;
}]>;
def store_shared
: PatFrag<(ops node:$d, node:$ptr), (store node:$d, node:$ptr), [{
const Value *Src;
const PointerType *PT;
if ((Src = cast<StoreSDNode>(N)->getSrcValue()) &&
(PT = dyn_cast<PointerType>(Src->getType())))
return PT->getAddressSpace() == PTX::SHARED;
return false;
}]>;
// Addressing modes.
def ADDRrr32 : ComplexPattern<i32, 2, "SelectADDRrr", [], []>;
def ADDRrr64 : ComplexPattern<i64, 2, "SelectADDRrr", [], []>;
def ADDRri32 : ComplexPattern<i32, 2, "SelectADDRri", [], []>;
def ADDRri64 : ComplexPattern<i64, 2, "SelectADDRri", [], []>;
def ADDRii32 : ComplexPattern<i32, 2, "SelectADDRii", [], []>;
def ADDRii64 : ComplexPattern<i64, 2, "SelectADDRii", [], []>;
// Address operands
def MEMri32 : Operand<i32> {
let PrintMethod = "printMemOperand";
let MIOperandInfo = (ops RRegu32, i32imm);
}
def MEMri64 : Operand<i64> {
let PrintMethod = "printMemOperand";
let MIOperandInfo = (ops RRegu64, i64imm);
}
def MEMii32 : Operand<i32> {
let PrintMethod = "printMemOperand";
let MIOperandInfo = (ops i32imm, i32imm);
}
def MEMii64 : Operand<i64> {
let PrintMethod = "printMemOperand";
let MIOperandInfo = (ops i64imm, i64imm);
}
// The operand here does not correspond to an actual address, so we
// can use i32 in 64-bit address modes.
def MEMpi : Operand<i32> {
let PrintMethod = "printParamOperand";
let MIOperandInfo = (ops i32imm);
}
//===----------------------------------------------------------------------===//
// PTX Specific Node Definitions
//===----------------------------------------------------------------------===//
// PTX allow generic 3-reg shifts like shl r0, r1, r2
def PTXshl : SDNode<"ISD::SHL", SDTIntBinOp>;
def PTXsrl : SDNode<"ISD::SRL", SDTIntBinOp>;
def PTXsra : SDNode<"ISD::SRA", SDTIntBinOp>;
def PTXexit
: SDNode<"PTXISD::EXIT", SDTNone, [SDNPHasChain]>;
def PTXret
: SDNode<"PTXISD::RET", SDTNone, [SDNPHasChain]>;
//===----------------------------------------------------------------------===//
// Instruction Class Templates
//===----------------------------------------------------------------------===//
//===- Floating-Point Instructions - 3 Operand Form -----------------------===//
multiclass PTX_FLOAT_3OP<string opcstr, SDNode opnode> {
def rr32 : InstPTX<(outs RRegf32:$d),
(ins RRegf32:$a, RRegf32:$b),
!strconcat(opcstr, ".f32\t$d, $a, $b"),
[(set RRegf32:$d, (opnode RRegf32:$a, RRegf32:$b))]>;
def ri32 : InstPTX<(outs RRegf32:$d),
(ins RRegf32:$a, f32imm:$b),
!strconcat(opcstr, ".f32\t$d, $a, $b"),
[(set RRegf32:$d, (opnode RRegf32:$a, fpimm:$b))]>;
def rr64 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, RRegf64:$b),
!strconcat(opcstr, ".f64\t$d, $a, $b"),
[(set RRegf64:$d, (opnode RRegf64:$a, RRegf64:$b))]>;
def ri64 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, f64imm:$b),
!strconcat(opcstr, ".f64\t$d, $a, $b"),
[(set RRegf64:$d, (opnode RRegf64:$a, fpimm:$b))]>;
}
//===- Floating-Point Instructions - 4 Operand Form -----------------------===//
multiclass PTX_FLOAT_4OP<string opcstr, SDNode opnode1, SDNode opnode2> {
def rrr32 : InstPTX<(outs RRegf32:$d),
(ins RRegf32:$a, RRegf32:$b, RRegf32:$c),
!strconcat(opcstr, ".f32\t$d, $a, $b, $c"),
[(set RRegf32:$d, (opnode2 (opnode1 RRegf32:$a,
RRegf32:$b),
RRegf32:$c))]>;
def rri32 : InstPTX<(outs RRegf32:$d),
(ins RRegf32:$a, RRegf32:$b, f32imm:$c),
!strconcat(opcstr, ".f32\t$d, $a, $b, $c"),
[(set RRegf32:$d, (opnode2 (opnode1 RRegf32:$a,
RRegf32:$b),
fpimm:$c))]>;
def rrr64 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, RRegf64:$b, RRegf64:$c),
!strconcat(opcstr, ".f64\t$d, $a, $b, $c"),
[(set RRegf64:$d, (opnode2 (opnode1 RRegf64:$a,
RRegf64:$b),
RRegf64:$c))]>;
def rri64 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, RRegf64:$b, f64imm:$c),
!strconcat(opcstr, ".f64\t$d, $a, $b, $c"),
[(set RRegf64:$d, (opnode2 (opnode1 RRegf64:$a,
RRegf64:$b),
fpimm:$c))]>;
}
multiclass INT3<string opcstr, SDNode opnode> {
def rr16 : InstPTX<(outs RRegu16:$d),
(ins RRegu16:$a, RRegu16:$b),
!strconcat(opcstr, ".u16\t$d, $a, $b"),
[(set RRegu16:$d, (opnode RRegu16:$a, RRegu16:$b))]>;
def ri16 : InstPTX<(outs RRegu16:$d),
(ins RRegu16:$a, i16imm:$b),
!strconcat(opcstr, ".u16\t$d, $a, $b"),
[(set RRegu16:$d, (opnode RRegu16:$a, imm:$b))]>;
def rr32 : InstPTX<(outs RRegu32:$d),
(ins RRegu32:$a, RRegu32:$b),
!strconcat(opcstr, ".u32\t$d, $a, $b"),
[(set RRegu32:$d, (opnode RRegu32:$a, RRegu32:$b))]>;
def ri32 : InstPTX<(outs RRegu32:$d),
(ins RRegu32:$a, i32imm:$b),
!strconcat(opcstr, ".u32\t$d, $a, $b"),
[(set RRegu32:$d, (opnode RRegu32:$a, imm:$b))]>;
def rr64 : InstPTX<(outs RRegu64:$d),
(ins RRegu64:$a, RRegu64:$b),
!strconcat(opcstr, ".u64\t$d, $a, $b"),
[(set RRegu64:$d, (opnode RRegu64:$a, RRegu64:$b))]>;
def ri64 : InstPTX<(outs RRegu64:$d),
(ins RRegu64:$a, i64imm:$b),
!strconcat(opcstr, ".u64\t$d, $a, $b"),
[(set RRegu64:$d, (opnode RRegu64:$a, imm:$b))]>;
}
// no %type directive, non-communtable
multiclass INT3ntnc<string opcstr, SDNode opnode> {
def rr : InstPTX<(outs RRegu32:$d),
(ins RRegu32:$a, RRegu32:$b),
!strconcat(opcstr, "\t$d, $a, $b"),
[(set RRegu32:$d, (opnode RRegu32:$a, RRegu32:$b))]>;
def ri : InstPTX<(outs RRegu32:$d),
(ins RRegu32:$a, i32imm:$b),
!strconcat(opcstr, "\t$d, $a, $b"),
[(set RRegu32:$d, (opnode RRegu32:$a, imm:$b))]>;
def ir : InstPTX<(outs RRegu32:$d),
(ins i32imm:$a, RRegu32:$b),
!strconcat(opcstr, "\t$d, $a, $b"),
[(set RRegu32:$d, (opnode imm:$a, RRegu32:$b))]>;
}
multiclass PTX_LD<string opstr, string typestr, RegisterClass RC, PatFrag pat_load> {
def rr32 : InstPTX<(outs RC:$d),
(ins MEMri32:$a),
!strconcat(opstr, !strconcat(typestr, "\t$d, [$a]")),
[(set RC:$d, (pat_load ADDRrr32:$a))]>, Requires<[Use32BitAddresses]>;
def rr64 : InstPTX<(outs RC:$d),
(ins MEMri64:$a),
!strconcat(opstr, !strconcat(typestr, "\t$d, [$a]")),
[(set RC:$d, (pat_load ADDRrr64:$a))]>, Requires<[Use64BitAddresses]>;
def ri32 : InstPTX<(outs RC:$d),
(ins MEMri32:$a),
!strconcat(opstr, !strconcat(typestr, "\t$d, [$a]")),
[(set RC:$d, (pat_load ADDRri32:$a))]>, Requires<[Use32BitAddresses]>;
def ri64 : InstPTX<(outs RC:$d),
(ins MEMri64:$a),
!strconcat(opstr, !strconcat(typestr, "\t$d, [$a]")),
[(set RC:$d, (pat_load ADDRri64:$a))]>, Requires<[Use64BitAddresses]>;
def ii32 : InstPTX<(outs RC:$d),
(ins MEMii32:$a),
!strconcat(opstr, !strconcat(typestr, "\t$d, [$a]")),
[(set RC:$d, (pat_load ADDRii32:$a))]>, Requires<[Use32BitAddresses]>;
def ii64 : InstPTX<(outs RC:$d),
(ins MEMii64:$a),
!strconcat(opstr, !strconcat(typestr, "\t$d, [$a]")),
[(set RC:$d, (pat_load ADDRii64:$a))]>, Requires<[Use64BitAddresses]>;
}
multiclass PTX_LD_ALL<string opstr, PatFrag pat_load> {
defm u16 : PTX_LD<opstr, ".u16", RRegu16, pat_load>;
defm u32 : PTX_LD<opstr, ".u32", RRegu32, pat_load>;
defm u64 : PTX_LD<opstr, ".u64", RRegu64, pat_load>;
defm f32 : PTX_LD<opstr, ".f32", RRegf32, pat_load>;
defm f64 : PTX_LD<opstr, ".f64", RRegf64, pat_load>;
}
multiclass PTX_ST<string opstr, string typestr, RegisterClass RC, PatFrag pat_store> {
def rr32 : InstPTX<(outs),
(ins RC:$d, MEMri32:$a),
!strconcat(opstr, !strconcat(typestr, "\t[$a], $d")),
[(pat_store RC:$d, ADDRrr32:$a)]>, Requires<[Use32BitAddresses]>;
def rr64 : InstPTX<(outs),
(ins RC:$d, MEMri64:$a),
!strconcat(opstr, !strconcat(typestr, "\t[$a], $d")),
[(pat_store RC:$d, ADDRrr64:$a)]>, Requires<[Use64BitAddresses]>;
def ri32 : InstPTX<(outs),
(ins RC:$d, MEMri32:$a),
!strconcat(opstr, !strconcat(typestr, "\t[$a], $d")),
[(pat_store RC:$d, ADDRri32:$a)]>, Requires<[Use32BitAddresses]>;
def ri64 : InstPTX<(outs),
(ins RC:$d, MEMri64:$a),
!strconcat(opstr, !strconcat(typestr, "\t[$a], $d")),
[(pat_store RC:$d, ADDRri64:$a)]>, Requires<[Use64BitAddresses]>;
def ii32 : InstPTX<(outs),
(ins RC:$d, MEMii32:$a),
!strconcat(opstr, !strconcat(typestr, "\t[$a], $d")),
[(pat_store RC:$d, ADDRii32:$a)]>, Requires<[Use32BitAddresses]>;
def ii64 : InstPTX<(outs),
(ins RC:$d, MEMii64:$a),
!strconcat(opstr, !strconcat(typestr, "\t[$a], $d")),
[(pat_store RC:$d, ADDRii64:$a)]>, Requires<[Use64BitAddresses]>;
}
multiclass PTX_ST_ALL<string opstr, PatFrag pat_store> {
defm u16 : PTX_ST<opstr, ".u16", RRegu16, pat_store>;
defm u32 : PTX_ST<opstr, ".u32", RRegu32, pat_store>;
defm u64 : PTX_ST<opstr, ".u64", RRegu64, pat_store>;
defm f32 : PTX_ST<opstr, ".f32", RRegf32, pat_store>;
defm f64 : PTX_ST<opstr, ".f64", RRegf64, pat_store>;
}
//===----------------------------------------------------------------------===//
// Instructions
//===----------------------------------------------------------------------===//
///===- Floating-Point Arithmetic Instructions ----------------------------===//
// Standard Binary Operations
defm FADD : PTX_FLOAT_3OP<"add", fadd>;
defm FSUB : PTX_FLOAT_3OP<"sub", fsub>;
defm FMUL : PTX_FLOAT_3OP<"mul", fmul>;
// TODO: Allow user selection of rounding modes for fdiv.
// For division, we need to have f32 and f64 differently.
// For f32, we just always use .approx since it is supported on all hardware
// for PTX 1.4+, which is our minimum target.
def FDIVrr32 : InstPTX<(outs RRegf32:$d),
(ins RRegf32:$a, RRegf32:$b),
"div.approx.f32\t$d, $a, $b",
[(set RRegf32:$d, (fdiv RRegf32:$a, RRegf32:$b))]>;
def FDIVri32 : InstPTX<(outs RRegf32:$d),
(ins RRegf32:$a, f32imm:$b),
"div.approx.f32\t$d, $a, $b",
[(set RRegf32:$d, (fdiv RRegf32:$a, fpimm:$b))]>;
// For f64, we must specify a rounding for sm 1.3+ but *not* for sm 1.0.
def FDIVrr64SM13 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, RRegf64:$b),
"div.rn.f64\t$d, $a, $b",
[(set RRegf64:$d, (fdiv RRegf64:$a, RRegf64:$b))]>,
Requires<[SupportsSM13]>;
def FDIVri64SM13 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, f64imm:$b),
"div.rn.f64\t$d, $a, $b",
[(set RRegf64:$d, (fdiv RRegf64:$a, fpimm:$b))]>,
Requires<[SupportsSM13]>;
def FDIVrr64SM10 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, RRegf64:$b),
"div.f64\t$d, $a, $b",
[(set RRegf64:$d, (fdiv RRegf64:$a, RRegf64:$b))]>,
Requires<[DoesNotSupportSM13]>;
def FDIVri64SM10 : InstPTX<(outs RRegf64:$d),
(ins RRegf64:$a, f64imm:$b),
"div.f64\t$d, $a, $b",
[(set RRegf64:$d, (fdiv RRegf64:$a, fpimm:$b))]>,
Requires<[DoesNotSupportSM13]>;
// Multi-operation hybrid instructions
// The selection of mad/fma is tricky. In some cases, they are the *same*
// instruction, but in other cases we may prefer one or the other. Also,
// different PTX versions differ on whether rounding mode flags are required.
// In the short term, mad is supported on all PTX versions and we use a
// default rounding mode no matter what shader model or PTX version.
// TODO: Allow the rounding mode to be selectable through llc.
defm FMAD : PTX_FLOAT_4OP<"mad.rn", fmul, fadd>;
///===- Integer Arithmetic Instructions -----------------------------------===//
defm ADD : INT3<"add", add>;
defm SUB : INT3<"sub", sub>;
///===- Logic and Shift Instructions --------------------------------------===//
defm SHL : INT3ntnc<"shl.b32", PTXshl>;
defm SRL : INT3ntnc<"shr.u32", PTXsrl>;
defm SRA : INT3ntnc<"shr.s32", PTXsra>;
///===- Data Movement and Conversion Instructions -------------------------===//
let neverHasSideEffects = 1 in {
def MOVPREDrr
: InstPTX<(outs Preds:$d), (ins Preds:$a), "mov.pred\t$d, $a", []>;
def MOVU16rr
: InstPTX<(outs RRegu16:$d), (ins RRegu16:$a), "mov.u16\t$d, $a", []>;
def MOVU32rr
: InstPTX<(outs RRegu32:$d), (ins RRegu32:$a), "mov.u32\t$d, $a", []>;
def MOVU64rr
: InstPTX<(outs RRegu64:$d), (ins RRegu64:$a), "mov.u64\t$d, $a", []>;
def MOVF32rr
: InstPTX<(outs RRegf32:$d), (ins RRegf32:$a), "mov.f32\t$d, $a", []>;
def MOVF64rr
: InstPTX<(outs RRegf64:$d), (ins RRegf64:$a), "mov.f64\t$d, $a", []>;
}
let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
def MOVPREDri
: InstPTX<(outs Preds:$d), (ins i1imm:$a), "mov.pred\t$d, $a",
[(set Preds:$d, imm:$a)]>;
def MOVU16ri
: InstPTX<(outs RRegu16:$d), (ins i16imm:$a), "mov.u16\t$d, $a",
[(set RRegu16:$d, imm:$a)]>;
def MOVU32ri
: InstPTX<(outs RRegu32:$d), (ins i32imm:$a), "mov.u32\t$d, $a",
[(set RRegu32:$d, imm:$a)]>;
def MOVU164ri
: InstPTX<(outs RRegu64:$d), (ins i64imm:$a), "mov.u64\t$d, $a",
[(set RRegu64:$d, imm:$a)]>;
def MOVF32ri
: InstPTX<(outs RRegf32:$d), (ins f32imm:$a), "mov.f32\t$d, $a",
[(set RRegf32:$d, fpimm:$a)]>;
def MOVF64ri
: InstPTX<(outs RRegf64:$d), (ins f64imm:$a), "mov.f64\t$d, $a",
[(set RRegf64:$d, fpimm:$a)]>;
}
// Loads
defm LDg : PTX_LD_ALL<"ld.global", load_global>;
defm LDc : PTX_LD_ALL<"ld.const", load_constant>;
defm LDl : PTX_LD_ALL<"ld.local", load_local>;
defm LDs : PTX_LD_ALL<"ld.shared", load_shared>;
// This is a special instruction that is manually inserted for kernel parameters
def LDpiU16 : InstPTX<(outs RRegu16:$d), (ins MEMpi:$a),
"ld.param.u16\t$d, [$a]", []>;
def LDpiU32 : InstPTX<(outs RRegu32:$d), (ins MEMpi:$a),
"ld.param.u32\t$d, [$a]", []>;
def LDpiU64 : InstPTX<(outs RRegu64:$d), (ins MEMpi:$a),
"ld.param.u64\t$d, [$a]", []>;
def LDpiF32 : InstPTX<(outs RRegf32:$d), (ins MEMpi:$a),
"ld.param.f32\t$d, [$a]", []>;
def LDpiF64 : InstPTX<(outs RRegf64:$d), (ins MEMpi:$a),
"ld.param.f64\t$d, [$a]", []>;
// Stores
defm STg : PTX_ST_ALL<"st.global", store_global>;
defm STl : PTX_ST_ALL<"st.local", store_local>;
defm STs : PTX_ST_ALL<"st.shared", store_shared>;
// defm STp : PTX_ST_ALL<"st.param", store_parameter>;
// defm LDp : PTX_LD_ALL<"ld.param", load_parameter>;
// TODO: Do something with st.param if/when it is needed.
///===- Control Flow Instructions -----------------------------------------===//
let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
def EXIT : InstPTX<(outs), (ins), "exit", [(PTXexit)]>;
def RET : InstPTX<(outs), (ins), "ret", [(PTXret)]>;
}
///===- Intrinsic Instructions --------------------------------------------===//
include "PTXIntrinsicInstrInfo.td"
|
