summaryrefslogtreecommitdiff
path: root/lib/Target/R600/EvergreenInstructions.td
blob: dcb7e982c7fc6e98e1f0fc6fd17401d6cd9f0a79 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
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
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
//===-- EvergreenInstructions.td - EG Instruction defs  ----*- tablegen -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// TableGen definitions for instructions which are:
// - Available to Evergreen and newer VLIW4/VLIW5 GPUs
// - Available only on Evergreen family GPUs.
//
//===----------------------------------------------------------------------===//

def isEG : Predicate<
  "Subtarget.getGeneration() >= AMDGPUSubtarget::EVERGREEN && "
  "Subtarget.getGeneration() < AMDGPUSubtarget::SOUTHERN_ISLANDS && "
  "!Subtarget.hasCaymanISA()"
>;

def isEGorCayman : Predicate<
  "Subtarget.getGeneration() == AMDGPUSubtarget::EVERGREEN ||"
  "Subtarget.getGeneration() ==AMDGPUSubtarget::NORTHERN_ISLANDS"
>;

//===----------------------------------------------------------------------===//
// Evergreen / Cayman store instructions
//===----------------------------------------------------------------------===//

let Predicates = [isEGorCayman] in {

class CF_MEM_RAT_CACHELESS <bits<6> rat_inst, bits<4> rat_id, bits<4> mask, dag ins,
                           string name, list<dag> pattern>
    : EG_CF_RAT <0x57, rat_inst, rat_id, mask, (outs), ins,
                 "MEM_RAT_CACHELESS "#name, pattern>;

class CF_MEM_RAT <bits<6> rat_inst, bits<4> rat_id, dag ins, string name,
                  list<dag> pattern>
    : EG_CF_RAT <0x56, rat_inst, rat_id, 0xf /* mask */, (outs), ins,
                 "MEM_RAT "#name, pattern>;

def RAT_MSKOR : CF_MEM_RAT <0x11, 0,
  (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr),
  "MSKOR $rw_gpr.XW, $index_gpr",
  [(mskor_global v4i32:$rw_gpr, i32:$index_gpr)]
> {
  let eop = 0;
}

} // End let Predicates = [isEGorCayman]

//===----------------------------------------------------------------------===//
// Evergreen Only instructions
//===----------------------------------------------------------------------===//

let Predicates = [isEG] in {

def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;

def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
def MULHI_INT_eg : MULHI_INT_Common<0x90>;
def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
def SIN_eg : SIN_Common<0x8D>;
def COS_eg : COS_Common<0x8E>;

def : POW_Common <LOG_IEEE_eg, EXP_IEEE_eg, MUL>;
def : Pat<(fsqrt f32:$src), (MUL $src, (RECIPSQRT_CLAMPED_eg $src))>;

defm : Expand24IBitOps<MULLO_INT_eg, ADD_INT>;

//===----------------------------------------------------------------------===//
// Memory read/write instructions
//===----------------------------------------------------------------------===//

let usesCustomInserter = 1 in {

// 32-bit store
def RAT_WRITE_CACHELESS_32_eg : CF_MEM_RAT_CACHELESS <0x2, 0, 0x1,
  (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
  "STORE_RAW $rw_gpr, $index_gpr, $eop",
  [(global_store i32:$rw_gpr, i32:$index_gpr)]
>;

// 64-bit store
def RAT_WRITE_CACHELESS_64_eg : CF_MEM_RAT_CACHELESS <0x2, 0, 0x3,
  (ins R600_Reg64:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
  "STORE_RAW $rw_gpr.XY, $index_gpr, $eop",
  [(global_store v2i32:$rw_gpr, i32:$index_gpr)]
>;

//128-bit store
def RAT_WRITE_CACHELESS_128_eg : CF_MEM_RAT_CACHELESS <0x2, 0, 0xf,
  (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
  "STORE_RAW $rw_gpr.XYZW, $index_gpr, $eop",
  [(global_store v4i32:$rw_gpr, i32:$index_gpr)]
>;

} // End usesCustomInserter = 1

class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
    : VTX_WORD0_eg, VTX_READ<name, buffer_id, outs, pattern> {

  // Static fields
  let VC_INST = 0;
  let FETCH_TYPE = 2;
  let FETCH_WHOLE_QUAD = 0;
  let BUFFER_ID = buffer_id;
  let SRC_REL = 0;
  // XXX: We can infer this field based on the SRC_GPR.  This would allow us
  // to store vertex addresses in any channel, not just X.
  let SRC_SEL_X = 0;

  let Inst{31-0} = Word0;
}

class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <"VTX_READ_8 $dst_gpr, $src_gpr", buffer_id,
                   (outs R600_TReg32_X:$dst_gpr), pattern> {

  let MEGA_FETCH_COUNT = 1;
  let DST_SEL_X = 0;
  let DST_SEL_Y = 7;   // Masked
  let DST_SEL_Z = 7;   // Masked
  let DST_SEL_W = 7;   // Masked
  let DATA_FORMAT = 1; // FMT_8
}

class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <"VTX_READ_16 $dst_gpr, $src_gpr", buffer_id,
                   (outs R600_TReg32_X:$dst_gpr), pattern> {
  let MEGA_FETCH_COUNT = 2;
  let DST_SEL_X = 0;
  let DST_SEL_Y = 7;   // Masked
  let DST_SEL_Z = 7;   // Masked
  let DST_SEL_W = 7;   // Masked
  let DATA_FORMAT = 5; // FMT_16

}

class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <"VTX_READ_32 $dst_gpr, $src_gpr", buffer_id,
                   (outs R600_TReg32_X:$dst_gpr), pattern> {

  let MEGA_FETCH_COUNT = 4;
  let DST_SEL_X        = 0;
  let DST_SEL_Y        = 7;   // Masked
  let DST_SEL_Z        = 7;   // Masked
  let DST_SEL_W        = 7;   // Masked
  let DATA_FORMAT      = 0xD; // COLOR_32

  // This is not really necessary, but there were some GPU hangs that appeared
  // to be caused by ALU instructions in the next instruction group that wrote
  // to the $src_gpr registers of the VTX_READ.
  // e.g.
  // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
  // %T2_X<def> = MOV %ZERO
  //Adding this constraint prevents this from happening.
  let Constraints = "$src_gpr.ptr = $dst_gpr";
}

class VTX_READ_64_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <"VTX_READ_64 $dst_gpr.XY, $src_gpr", buffer_id,
                   (outs R600_Reg64:$dst_gpr), pattern> {

  let MEGA_FETCH_COUNT = 8;
  let DST_SEL_X        = 0;
  let DST_SEL_Y        = 1;
  let DST_SEL_Z        = 7;
  let DST_SEL_W        = 7;
  let DATA_FORMAT      = 0x1D; // COLOR_32_32
}

class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <"VTX_READ_128 $dst_gpr.XYZW, $src_gpr", buffer_id,
                   (outs R600_Reg128:$dst_gpr), pattern> {

  let MEGA_FETCH_COUNT = 16;
  let DST_SEL_X        =  0;
  let DST_SEL_Y        =  1;
  let DST_SEL_Z        =  2;
  let DST_SEL_W        =  3;
  let DATA_FORMAT      =  0x22; // COLOR_32_32_32_32

  // XXX: Need to force VTX_READ_128 instructions to write to the same register
  // that holds its buffer address to avoid potential hangs.  We can't use
  // the same constraint as VTX_READ_32_eg, because the $src_gpr.ptr and $dst
  // registers are different sizes.
}

//===----------------------------------------------------------------------===//
// VTX Read from parameter memory space
//===----------------------------------------------------------------------===//

def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
  [(set i32:$dst_gpr, (load_param_exti8 ADDRVTX_READ:$src_gpr))]
>;

def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
  [(set i32:$dst_gpr, (load_param_exti16 ADDRVTX_READ:$src_gpr))]
>;

def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
  [(set i32:$dst_gpr, (load_param ADDRVTX_READ:$src_gpr))]
>;

def VTX_READ_PARAM_64_eg : VTX_READ_64_eg <0,
  [(set v2i32:$dst_gpr, (load_param ADDRVTX_READ:$src_gpr))]
>;

def VTX_READ_PARAM_128_eg : VTX_READ_128_eg <0,
  [(set v4i32:$dst_gpr, (load_param ADDRVTX_READ:$src_gpr))]
>;

//===----------------------------------------------------------------------===//
// VTX Read from global memory space
//===----------------------------------------------------------------------===//

// 8-bit reads
def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
  [(set i32:$dst_gpr, (az_extloadi8_global ADDRVTX_READ:$src_gpr))]
>;

def VTX_READ_GLOBAL_16_eg : VTX_READ_16_eg <1,
  [(set i32:$dst_gpr, (az_extloadi16_global ADDRVTX_READ:$src_gpr))]
>;

// 32-bit reads
def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
  [(set i32:$dst_gpr, (global_load ADDRVTX_READ:$src_gpr))]
>;

// 64-bit reads
def VTX_READ_GLOBAL_64_eg : VTX_READ_64_eg <1,
  [(set v2i32:$dst_gpr, (global_load ADDRVTX_READ:$src_gpr))]
>;

// 128-bit reads
def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
  [(set v4i32:$dst_gpr, (global_load ADDRVTX_READ:$src_gpr))]
>;

} // End Predicates = [isEG]

//===----------------------------------------------------------------------===//
// Evergreen / Cayman Instructions
//===----------------------------------------------------------------------===//

let Predicates = [isEGorCayman] in {

// BFE_UINT - bit_extract, an optimization for mask and shift
// Src0 = Input
// Src1 = Offset
// Src2 = Width
//
// bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
//
// Example Usage:
// (Offset, Width)
//
// (0, 8)  = (Input << 24) >> 24 = (Input &  0xff)       >> 0
// (8, 8)  = (Input << 16) >> 24 = (Input &  0xffff)     >> 8
// (16, 8) = (Input <<  8) >> 24 = (Input &  0xffffff)   >> 16
// (24, 8) = (Input <<  0) >> 24 = (Input &  0xffffffff) >> 24
def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
  [(set i32:$dst, (AMDGPUbfe_u32 i32:$src0, i32:$src1, i32:$src2))],
  VecALU
>;

def BFE_INT_eg : R600_3OP <0x5, "BFE_INT",
  [(set i32:$dst, (AMDGPUbfe_i32 i32:$src0, i32:$src1, i32:$src2))],
  VecALU
>;

// XXX: This pattern is broken, disabling for now.  See comment in
// AMDGPUInstructions.td for more info.
//  def : BFEPattern <BFE_UINT_eg>;
def BFI_INT_eg : R600_3OP <0x06, "BFI_INT",
  [(set i32:$dst, (AMDGPUbfi i32:$src0, i32:$src1, i32:$src2))],
  VecALU
>;

def : Pat<(i32 (sext_inreg i32:$src, i1)),
  (BFE_INT_eg i32:$src, (i32 ZERO), (i32 ONE_INT))>;
def : Pat<(i32 (sext_inreg i32:$src, i8)),
  (BFE_INT_eg i32:$src, (i32 ZERO), (MOV_IMM_I32 8))>;
def : Pat<(i32 (sext_inreg i32:$src, i16)),
  (BFE_INT_eg i32:$src, (i32 ZERO), (MOV_IMM_I32 16))>;

defm : BFIPatterns <BFI_INT_eg, MOV_IMM_I32>;

def BFM_INT_eg : R600_2OP <0xA0, "BFM_INT",
  [(set i32:$dst, (AMDGPUbfm i32:$src0, i32:$src1))],
  VecALU
>;

def MULADD_UINT24_eg : R600_3OP <0x10, "MULADD_UINT24",
  [(set i32:$dst, (AMDGPUmad_u24 i32:$src0, i32:$src1, i32:$src2))], VecALU
>;

def : UMad24Pat<MULADD_UINT24_eg>;

def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT", [], VecALU>;
def : ROTRPattern <BIT_ALIGN_INT_eg>;
def MULADD_eg : MULADD_Common<0x14>;
def MULADD_IEEE_eg : MULADD_IEEE_Common<0x18>;
def ASHR_eg : ASHR_Common<0x15>;
def LSHR_eg : LSHR_Common<0x16>;
def LSHL_eg : LSHL_Common<0x17>;
def CNDE_eg : CNDE_Common<0x19>;
def CNDGT_eg : CNDGT_Common<0x1A>;
def CNDGE_eg : CNDGE_Common<0x1B>;
def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
def MUL_UINT24_eg : R600_2OP <0xB5, "MUL_UINT24",
  [(set i32:$dst, (AMDGPUmul_u24 i32:$src0, i32:$src1))], VecALU
>;
def DOT4_eg : DOT4_Common<0xBE>;
defm CUBE_eg : CUBE_Common<0xC0>;

def BCNT_INT : R600_1OP_Helper <0xAA, "BCNT_INT", ctpop, VecALU>;

let hasSideEffects = 1 in {
  def MOVA_INT_eg : R600_1OP <0xCC, "MOVA_INT", [], VecALU>;
}

def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;

def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
  let Pattern = [];
  let Itinerary = AnyALU;
}

def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;

def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
  let Pattern = [];
}

def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;

def GROUP_BARRIER : InstR600 <
    (outs), (ins), "  GROUP_BARRIER", [(int_AMDGPU_barrier_local), (int_AMDGPU_barrier_global)], AnyALU>,
    R600ALU_Word0,
    R600ALU_Word1_OP2 <0x54> {

  let dst = 0;
  let dst_rel = 0;
  let src0 = 0;
  let src0_rel = 0;
  let src0_neg = 0;
  let src0_abs = 0;
  let src1 = 0;
  let src1_rel = 0;
  let src1_neg = 0;
  let src1_abs = 0;
  let write = 0;
  let omod = 0;
  let clamp = 0;
  let last = 1;
  let bank_swizzle = 0;
  let pred_sel = 0;
  let update_exec_mask = 0;
  let update_pred = 0;

  let Inst{31-0}  = Word0;
  let Inst{63-32} = Word1;

  let ALUInst = 1;
}

def : Pat <
	(int_AMDGPU_barrier_global),
	(GROUP_BARRIER)
>;

//===----------------------------------------------------------------------===//
// LDS Instructions
//===----------------------------------------------------------------------===//
class R600_LDS  <bits<6> op, dag outs, dag ins, string asm,
                 list<dag> pattern = []> :

    InstR600 <outs, ins, asm, pattern, XALU>,
    R600_ALU_LDS_Word0,
    R600LDS_Word1 {

  bits<6>  offset = 0;
  let lds_op = op;

  let Word1{27} = offset{0};
  let Word1{12} = offset{1};
  let Word1{28} = offset{2};
  let Word1{31} = offset{3};
  let Word0{12} = offset{4};
  let Word0{25} = offset{5};


  let Inst{31-0}  = Word0;
  let Inst{63-32} = Word1;

  let ALUInst = 1;
  let HasNativeOperands = 1;
  let UseNamedOperandTable = 1;
}

class R600_LDS_1A <bits<6> lds_op, string name, list<dag> pattern> : R600_LDS <
  lds_op,
  (outs R600_Reg32:$dst),
  (ins R600_Reg32:$src0, REL:$src0_rel, SEL:$src0_sel,
       LAST:$last, R600_Pred:$pred_sel,
       BANK_SWIZZLE:$bank_swizzle),
  "  "#name#" $last OQAP, $src0$src0_rel $pred_sel",
  pattern
  > {

  let src1 = 0;
  let src1_rel = 0;
  let src2 = 0;
  let src2_rel = 0;

  let usesCustomInserter = 1;
  let LDS_1A = 1;
  let DisableEncoding = "$dst";
}

class R600_LDS_1A1D <bits<6> lds_op, dag outs, string name, list<dag> pattern,
                     string dst =""> :
    R600_LDS <
  lds_op, outs,
  (ins R600_Reg32:$src0, REL:$src0_rel, SEL:$src0_sel,
       R600_Reg32:$src1, REL:$src1_rel, SEL:$src1_sel,
       LAST:$last, R600_Pred:$pred_sel,
       BANK_SWIZZLE:$bank_swizzle),
  "  "#name#" $last "#dst#"$src0$src0_rel, $src1$src1_rel, $pred_sel",
  pattern
  > {

  field string BaseOp;

  let src2 = 0;
  let src2_rel = 0;
  let LDS_1A1D = 1;
}

class R600_LDS_1A1D_NORET <bits<6> lds_op, string name, list<dag> pattern> :
    R600_LDS_1A1D <lds_op, (outs), name, pattern> {
  let BaseOp = name;
}

class R600_LDS_1A1D_RET <bits<6> lds_op, string name, list<dag> pattern> :
    R600_LDS_1A1D <lds_op,  (outs R600_Reg32:$dst), name##"_RET", pattern, "OQAP, "> {

  let BaseOp = name;
  let usesCustomInserter = 1;
  let DisableEncoding = "$dst";
}

class R600_LDS_1A2D <bits<6> lds_op, string name, list<dag> pattern> :
    R600_LDS <
  lds_op,
  (outs),
  (ins R600_Reg32:$src0, REL:$src0_rel, SEL:$src0_sel,
       R600_Reg32:$src1, REL:$src1_rel, SEL:$src1_sel,
       R600_Reg32:$src2, REL:$src2_rel, SEL:$src2_sel,
       LAST:$last, R600_Pred:$pred_sel, BANK_SWIZZLE:$bank_swizzle),
  "  "#name# "$last $src0$src0_rel, $src1$src1_rel, $src2$src2_rel, $pred_sel",
  pattern> {
  let LDS_1A2D = 1;
}

def LDS_ADD : R600_LDS_1A1D_NORET <0x0, "LDS_ADD", [] >;
def LDS_SUB : R600_LDS_1A1D_NORET <0x1, "LDS_SUB", [] >;
def LDS_WRITE : R600_LDS_1A1D_NORET <0xD, "LDS_WRITE",
  [(local_store (i32 R600_Reg32:$src1), R600_Reg32:$src0)]
>;
def LDS_BYTE_WRITE : R600_LDS_1A1D_NORET<0x12, "LDS_BYTE_WRITE",
  [(truncstorei8_local i32:$src1, i32:$src0)]
>;
def LDS_SHORT_WRITE : R600_LDS_1A1D_NORET<0x13, "LDS_SHORT_WRITE",
  [(truncstorei16_local i32:$src1, i32:$src0)]
>;
def LDS_ADD_RET : R600_LDS_1A1D_RET <0x20, "LDS_ADD",
  [(set i32:$dst, (atomic_load_add_local i32:$src0, i32:$src1))]
>;
def LDS_SUB_RET : R600_LDS_1A1D_RET <0x21, "LDS_SUB",
  [(set i32:$dst, (atomic_load_sub_local i32:$src0, i32:$src1))]
>;
def LDS_READ_RET : R600_LDS_1A <0x32, "LDS_READ_RET",
  [(set (i32 R600_Reg32:$dst), (local_load R600_Reg32:$src0))]
>;
def LDS_BYTE_READ_RET : R600_LDS_1A <0x36, "LDS_BYTE_READ_RET",
  [(set i32:$dst, (sextloadi8_local i32:$src0))]
>;
def LDS_UBYTE_READ_RET : R600_LDS_1A <0x37, "LDS_UBYTE_READ_RET",
  [(set i32:$dst, (az_extloadi8_local i32:$src0))]
>;
def LDS_SHORT_READ_RET : R600_LDS_1A <0x38, "LDS_SHORT_READ_RET",
  [(set i32:$dst, (sextloadi16_local i32:$src0))]
>;
def LDS_USHORT_READ_RET : R600_LDS_1A <0x39, "LDS_USHORT_READ_RET",
  [(set i32:$dst, (az_extloadi16_local i32:$src0))]
>;

// TRUNC is used for the FLT_TO_INT instructions to work around a
// perceived problem where the rounding modes are applied differently
// depending on the instruction and the slot they are in.
// See:
// https://bugs.freedesktop.org/show_bug.cgi?id=50232
// Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
//
// XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
// which do not need to be truncated since the fp values are 0.0f or 1.0f.
// We should look into handling these cases separately.
def : Pat<(fp_to_sint f32:$src0), (FLT_TO_INT_eg (TRUNC $src0))>;

def : Pat<(fp_to_uint f32:$src0), (FLT_TO_UINT_eg (TRUNC $src0))>;

// SHA-256 Patterns
def : SHA256MaPattern <BFI_INT_eg, XOR_INT>;

def : FROUNDPat <CNDGE_eg>;

def EG_ExportSwz : ExportSwzInst {
  let Word1{19-16} = 0; // BURST_COUNT
  let Word1{20} = 0; // VALID_PIXEL_MODE
  let Word1{21} = eop;
  let Word1{29-22} = inst;
  let Word1{30} = 0; // MARK
  let Word1{31} = 1; // BARRIER
}
defm : ExportPattern<EG_ExportSwz, 83>;

def EG_ExportBuf : ExportBufInst {
  let Word1{19-16} = 0; // BURST_COUNT
  let Word1{20} = 0; // VALID_PIXEL_MODE
  let Word1{21} = eop;
  let Word1{29-22} = inst;
  let Word1{30} = 0; // MARK
  let Word1{31} = 1; // BARRIER
}
defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;

def CF_TC_EG : CF_CLAUSE_EG<1, (ins i32imm:$ADDR, i32imm:$COUNT),
  "TEX $COUNT @$ADDR"> {
  let POP_COUNT = 0;
}
def CF_VC_EG : CF_CLAUSE_EG<2, (ins i32imm:$ADDR, i32imm:$COUNT),
  "VTX $COUNT @$ADDR"> {
  let POP_COUNT = 0;
}
def WHILE_LOOP_EG : CF_CLAUSE_EG<6, (ins i32imm:$ADDR),
  "LOOP_START_DX10 @$ADDR"> {
  let POP_COUNT = 0;
  let COUNT = 0;
}
def END_LOOP_EG : CF_CLAUSE_EG<5, (ins i32imm:$ADDR), "END_LOOP @$ADDR"> {
  let POP_COUNT = 0;
  let COUNT = 0;
}
def LOOP_BREAK_EG : CF_CLAUSE_EG<9, (ins i32imm:$ADDR),
  "LOOP_BREAK @$ADDR"> {
  let POP_COUNT = 0;
  let COUNT = 0;
}
def CF_CONTINUE_EG : CF_CLAUSE_EG<8, (ins i32imm:$ADDR),
  "CONTINUE @$ADDR"> {
  let POP_COUNT = 0;
  let COUNT = 0;
}
def CF_JUMP_EG : CF_CLAUSE_EG<10, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
  "JUMP @$ADDR POP:$POP_COUNT"> {
  let COUNT = 0;
}
def CF_PUSH_EG : CF_CLAUSE_EG<11, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
                              "PUSH @$ADDR POP:$POP_COUNT"> {
  let COUNT = 0;
}
def CF_ELSE_EG : CF_CLAUSE_EG<13, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
  "ELSE @$ADDR POP:$POP_COUNT"> {
  let COUNT = 0;
}
def CF_CALL_FS_EG : CF_CLAUSE_EG<19, (ins), "CALL_FS"> {
  let ADDR = 0;
  let COUNT = 0;
  let POP_COUNT = 0;
}
def POP_EG : CF_CLAUSE_EG<14, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
  "POP @$ADDR POP:$POP_COUNT"> {
  let COUNT = 0;
}
def CF_END_EG :  CF_CLAUSE_EG<0, (ins), "CF_END"> {
  let COUNT = 0;
  let POP_COUNT = 0;
  let ADDR = 0;
  let END_OF_PROGRAM = 1;
}

} // End Predicates = [isEGorCayman]