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Tom Stellard75aadc22012-12-11 21:25:42 +00001//===-- R600Instructions.td - R600 Instruction defs -------*- tablegen -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// R600 Tablegen instruction definitions
11//
12//===----------------------------------------------------------------------===//
13
14include "R600Intrinsics.td"
15
16class InstR600 <bits<11> inst, dag outs, dag ins, string asm, list<dag> pattern,
17 InstrItinClass itin>
18 : AMDGPUInst <outs, ins, asm, pattern> {
19
20 field bits<64> Inst;
21 bit Trig = 0;
22 bit Op3 = 0;
23 bit isVector = 0;
24 bits<2> FlagOperandIdx = 0;
25 bit Op1 = 0;
26 bit Op2 = 0;
27 bit HasNativeOperands = 0;
28
29 bits<11> op_code = inst;
30 //let Inst = inst;
31 let Namespace = "AMDGPU";
32 let OutOperandList = outs;
33 let InOperandList = ins;
34 let AsmString = asm;
35 let Pattern = pattern;
36 let Itinerary = itin;
37
38 let TSFlags{4} = Trig;
39 let TSFlags{5} = Op3;
40
41 // Vector instructions are instructions that must fill all slots in an
42 // instruction group
43 let TSFlags{6} = isVector;
44 let TSFlags{8-7} = FlagOperandIdx;
45 let TSFlags{9} = HasNativeOperands;
46 let TSFlags{10} = Op1;
47 let TSFlags{11} = Op2;
48}
49
50class InstR600ISA <dag outs, dag ins, string asm, list<dag> pattern> :
51 AMDGPUInst <outs, ins, asm, pattern> {
52 field bits<64> Inst;
53
54 let Namespace = "AMDGPU";
55}
56
57def MEMxi : Operand<iPTR> {
58 let MIOperandInfo = (ops R600_TReg32_X:$ptr, i32imm:$index);
59 let PrintMethod = "printMemOperand";
60}
61
62def MEMrr : Operand<iPTR> {
63 let MIOperandInfo = (ops R600_Reg32:$ptr, R600_Reg32:$index);
64}
65
66// Operands for non-registers
67
68class InstFlag<string PM = "printOperand", int Default = 0>
69 : OperandWithDefaultOps <i32, (ops (i32 Default))> {
70 let PrintMethod = PM;
71}
72
73def LITERAL : InstFlag<"printLiteral">;
74
75def WRITE : InstFlag <"printWrite", 1>;
76def OMOD : InstFlag <"printOMOD">;
77def REL : InstFlag <"printRel">;
78def CLAMP : InstFlag <"printClamp">;
79def NEG : InstFlag <"printNeg">;
80def ABS : InstFlag <"printAbs">;
81def UEM : InstFlag <"printUpdateExecMask">;
82def UP : InstFlag <"printUpdatePred">;
83
84// XXX: The r600g finalizer in Mesa expects last to be one in most cases.
85// Once we start using the packetizer in this backend we should have this
86// default to 0.
87def LAST : InstFlag<"printLast", 1>;
88
89def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
90def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
91def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;
92
93class R600ALU_Word0 {
94 field bits<32> Word0;
95
96 bits<11> src0;
97 bits<1> src0_neg;
98 bits<1> src0_rel;
99 bits<11> src1;
100 bits<1> src1_rel;
101 bits<1> src1_neg;
102 bits<3> index_mode = 0;
103 bits<2> pred_sel;
104 bits<1> last;
105
106 bits<9> src0_sel = src0{8-0};
107 bits<2> src0_chan = src0{10-9};
108 bits<9> src1_sel = src1{8-0};
109 bits<2> src1_chan = src1{10-9};
110
111 let Word0{8-0} = src0_sel;
112 let Word0{9} = src0_rel;
113 let Word0{11-10} = src0_chan;
114 let Word0{12} = src0_neg;
115 let Word0{21-13} = src1_sel;
116 let Word0{22} = src1_rel;
117 let Word0{24-23} = src1_chan;
118 let Word0{25} = src1_neg;
119 let Word0{28-26} = index_mode;
120 let Word0{30-29} = pred_sel;
121 let Word0{31} = last;
122}
123
124class R600ALU_Word1 {
125 field bits<32> Word1;
126
127 bits<11> dst;
128 bits<3> bank_swizzle = 0;
129 bits<1> dst_rel;
130 bits<1> clamp;
131
132 bits<7> dst_sel = dst{6-0};
133 bits<2> dst_chan = dst{10-9};
134
135 let Word1{20-18} = bank_swizzle;
136 let Word1{27-21} = dst_sel;
137 let Word1{28} = dst_rel;
138 let Word1{30-29} = dst_chan;
139 let Word1{31} = clamp;
140}
141
142class R600ALU_Word1_OP2 <bits<11> alu_inst> : R600ALU_Word1{
143
144 bits<1> src0_abs;
145 bits<1> src1_abs;
146 bits<1> update_exec_mask;
147 bits<1> update_pred;
148 bits<1> write;
149 bits<2> omod;
150
151 let Word1{0} = src0_abs;
152 let Word1{1} = src1_abs;
153 let Word1{2} = update_exec_mask;
154 let Word1{3} = update_pred;
155 let Word1{4} = write;
156 let Word1{6-5} = omod;
157 let Word1{17-7} = alu_inst;
158}
159
160class R600ALU_Word1_OP3 <bits<5> alu_inst> : R600ALU_Word1{
161
162 bits<11> src2;
163 bits<1> src2_rel;
164 bits<1> src2_neg;
165
166 bits<9> src2_sel = src2{8-0};
167 bits<2> src2_chan = src2{10-9};
168
169 let Word1{8-0} = src2_sel;
170 let Word1{9} = src2_rel;
171 let Word1{11-10} = src2_chan;
172 let Word1{12} = src2_neg;
173 let Word1{17-13} = alu_inst;
174}
175
Tom Stellardab28e9a2013-01-23 02:09:01 +0000176class VTX_WORD0 {
177 field bits<32> Word0;
178 bits<7> SRC_GPR;
179 bits<5> VC_INST;
180 bits<2> FETCH_TYPE;
181 bits<1> FETCH_WHOLE_QUAD;
182 bits<8> BUFFER_ID;
183 bits<1> SRC_REL;
184 bits<2> SRC_SEL_X;
185 bits<6> MEGA_FETCH_COUNT;
186
187 let Word0{4-0} = VC_INST;
188 let Word0{6-5} = FETCH_TYPE;
189 let Word0{7} = FETCH_WHOLE_QUAD;
190 let Word0{15-8} = BUFFER_ID;
191 let Word0{22-16} = SRC_GPR;
192 let Word0{23} = SRC_REL;
193 let Word0{25-24} = SRC_SEL_X;
194 let Word0{31-26} = MEGA_FETCH_COUNT;
195}
196
197class VTX_WORD1_GPR {
198 field bits<32> Word1;
199 bits<7> DST_GPR;
200 bits<1> DST_REL;
201 bits<3> DST_SEL_X;
202 bits<3> DST_SEL_Y;
203 bits<3> DST_SEL_Z;
204 bits<3> DST_SEL_W;
205 bits<1> USE_CONST_FIELDS;
206 bits<6> DATA_FORMAT;
207 bits<2> NUM_FORMAT_ALL;
208 bits<1> FORMAT_COMP_ALL;
209 bits<1> SRF_MODE_ALL;
210
211 let Word1{6-0} = DST_GPR;
212 let Word1{7} = DST_REL;
213 let Word1{8} = 0; // Reserved
214 let Word1{11-9} = DST_SEL_X;
215 let Word1{14-12} = DST_SEL_Y;
216 let Word1{17-15} = DST_SEL_Z;
217 let Word1{20-18} = DST_SEL_W;
218 let Word1{21} = USE_CONST_FIELDS;
219 let Word1{27-22} = DATA_FORMAT;
220 let Word1{29-28} = NUM_FORMAT_ALL;
221 let Word1{30} = FORMAT_COMP_ALL;
222 let Word1{31} = SRF_MODE_ALL;
223}
224
Tom Stellard75aadc22012-12-11 21:25:42 +0000225/*
226XXX: R600 subtarget uses a slightly different encoding than the other
227subtargets. We currently handle this in R600MCCodeEmitter, but we may
228want to use these instruction classes in the future.
229
230class R600ALU_Word1_OP2_r600 : R600ALU_Word1_OP2 {
231
232 bits<1> fog_merge;
233 bits<10> alu_inst;
234
235 let Inst{37} = fog_merge;
236 let Inst{39-38} = omod;
237 let Inst{49-40} = alu_inst;
238}
239
240class R600ALU_Word1_OP2_r700 : R600ALU_Word1_OP2 {
241
242 bits<11> alu_inst;
243
244 let Inst{38-37} = omod;
245 let Inst{49-39} = alu_inst;
246}
247*/
248
249def R600_Pred : PredicateOperand<i32, (ops R600_Predicate),
250 (ops PRED_SEL_OFF)>;
251
252
253let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
254
255// Class for instructions with only one source register.
256// If you add new ins to this instruction, make sure they are listed before
257// $literal, because the backend currently assumes that the last operand is
258// a literal. Also be sure to update the enum R600Op1OperandIndex::ROI in
259// R600Defines.h, R600InstrInfo::buildDefaultInstruction(),
260// and R600InstrInfo::getOperandIdx().
261class R600_1OP <bits<11> inst, string opName, list<dag> pattern,
262 InstrItinClass itin = AnyALU> :
263 InstR600 <0,
264 (outs R600_Reg32:$dst),
265 (ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
266 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs,
267 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
268 !strconcat(opName,
269 "$clamp $dst$write$dst_rel$omod, "
270 "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
271 "$literal $pred_sel$last"),
272 pattern,
273 itin>,
274 R600ALU_Word0,
275 R600ALU_Word1_OP2 <inst> {
276
277 let src1 = 0;
278 let src1_rel = 0;
279 let src1_neg = 0;
280 let src1_abs = 0;
281 let update_exec_mask = 0;
282 let update_pred = 0;
283 let HasNativeOperands = 1;
284 let Op1 = 1;
285 let DisableEncoding = "$literal";
286
287 let Inst{31-0} = Word0;
288 let Inst{63-32} = Word1;
289}
290
291class R600_1OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
292 InstrItinClass itin = AnyALU> :
293 R600_1OP <inst, opName,
294 [(set R600_Reg32:$dst, (node R600_Reg32:$src0))]
295>;
296
297// If you add our change the operands for R600_2OP instructions, you must
298// also update the R600Op2OperandIndex::ROI enum in R600Defines.h,
299// R600InstrInfo::buildDefaultInstruction(), and R600InstrInfo::getOperandIdx().
300class R600_2OP <bits<11> inst, string opName, list<dag> pattern,
301 InstrItinClass itin = AnyALU> :
302 InstR600 <inst,
303 (outs R600_Reg32:$dst),
304 (ins UEM:$update_exec_mask, UP:$update_pred, WRITE:$write,
305 OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
306 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs,
307 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, ABS:$src1_abs,
308 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
309 !strconcat(opName,
310 "$clamp $update_exec_mask$update_pred$dst$write$dst_rel$omod, "
311 "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
312 "$src1_neg$src1_abs$src1$src1_abs$src1_rel, "
313 "$literal $pred_sel$last"),
314 pattern,
315 itin>,
316 R600ALU_Word0,
317 R600ALU_Word1_OP2 <inst> {
318
319 let HasNativeOperands = 1;
320 let Op2 = 1;
321 let DisableEncoding = "$literal";
322
323 let Inst{31-0} = Word0;
324 let Inst{63-32} = Word1;
325}
326
327class R600_2OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
328 InstrItinClass itim = AnyALU> :
329 R600_2OP <inst, opName,
330 [(set R600_Reg32:$dst, (node R600_Reg32:$src0,
331 R600_Reg32:$src1))]
332>;
333
334// If you add our change the operands for R600_3OP instructions, you must
335// also update the R600Op3OperandIndex::ROI enum in R600Defines.h,
336// R600InstrInfo::buildDefaultInstruction(), and
337// R600InstrInfo::getOperandIdx().
338class R600_3OP <bits<5> inst, string opName, list<dag> pattern,
339 InstrItinClass itin = AnyALU> :
340 InstR600 <0,
341 (outs R600_Reg32:$dst),
342 (ins REL:$dst_rel, CLAMP:$clamp,
343 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel,
344 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel,
345 R600_Reg32:$src2, NEG:$src2_neg, REL:$src2_rel,
346 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
347 !strconcat(opName, "$clamp $dst$dst_rel, "
348 "$src0_neg$src0$src0_rel, "
349 "$src1_neg$src1$src1_rel, "
350 "$src2_neg$src2$src2_rel, "
351 "$literal $pred_sel$last"),
352 pattern,
353 itin>,
354 R600ALU_Word0,
355 R600ALU_Word1_OP3<inst>{
356
357 let HasNativeOperands = 1;
358 let DisableEncoding = "$literal";
359 let Op3 = 1;
360
361 let Inst{31-0} = Word0;
362 let Inst{63-32} = Word1;
363}
364
365class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
366 InstrItinClass itin = VecALU> :
367 InstR600 <inst,
368 (outs R600_Reg32:$dst),
369 ins,
370 asm,
371 pattern,
372 itin>;
373
374class R600_TEX <bits<11> inst, string opName, list<dag> pattern,
375 InstrItinClass itin = AnyALU> :
376 InstR600 <inst,
377 (outs R600_Reg128:$dst),
378 (ins R600_Reg128:$src0, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
379 !strconcat(opName, "$dst, $src0, $resourceId, $samplerId, $textureTarget"),
380 pattern,
381 itin>{
382 let Inst {10-0} = inst;
383 }
384
385} // End mayLoad = 1, mayStore = 0, hasSideEffects = 0
386
387def TEX_SHADOW : PatLeaf<
388 (imm),
389 [{uint32_t TType = (uint32_t)N->getZExtValue();
Tom Stellard4fa7ac22012-12-21 20:11:59 +0000390 return (TType >= 6 && TType <= 8) || (TType >= 11 && TType <= 13);
Tom Stellard75aadc22012-12-11 21:25:42 +0000391 }]
392>;
393
Tom Stellardc9b90312013-01-21 15:40:48 +0000394def TEX_RECT : PatLeaf<
395 (imm),
396 [{uint32_t TType = (uint32_t)N->getZExtValue();
397 return TType == 5;
398 }]
399>;
400
Tom Stellard75aadc22012-12-11 21:25:42 +0000401class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
402 dag ins, string asm, list<dag> pattern> :
403 InstR600ISA <outs, ins, asm, pattern> {
404 bits<7> RW_GPR;
405 bits<7> INDEX_GPR;
406
407 bits<2> RIM;
408 bits<2> TYPE;
409 bits<1> RW_REL;
410 bits<2> ELEM_SIZE;
411
412 bits<12> ARRAY_SIZE;
413 bits<4> COMP_MASK;
414 bits<4> BURST_COUNT;
415 bits<1> VPM;
416 bits<1> eop;
417 bits<1> MARK;
418 bits<1> BARRIER;
419
420 // CF_ALLOC_EXPORT_WORD0_RAT
421 let Inst{3-0} = rat_id;
422 let Inst{9-4} = rat_inst;
423 let Inst{10} = 0; // Reserved
424 let Inst{12-11} = RIM;
425 let Inst{14-13} = TYPE;
426 let Inst{21-15} = RW_GPR;
427 let Inst{22} = RW_REL;
428 let Inst{29-23} = INDEX_GPR;
429 let Inst{31-30} = ELEM_SIZE;
430
431 // CF_ALLOC_EXPORT_WORD1_BUF
432 let Inst{43-32} = ARRAY_SIZE;
433 let Inst{47-44} = COMP_MASK;
434 let Inst{51-48} = BURST_COUNT;
435 let Inst{52} = VPM;
436 let Inst{53} = eop;
437 let Inst{61-54} = cf_inst;
438 let Inst{62} = MARK;
439 let Inst{63} = BARRIER;
440}
441
442class LoadParamFrag <PatFrag load_type> : PatFrag <
443 (ops node:$ptr), (load_type node:$ptr),
444 [{ return isParamLoad(dyn_cast<LoadSDNode>(N)); }]
445>;
446
447def load_param : LoadParamFrag<load>;
448def load_param_zexti8 : LoadParamFrag<zextloadi8>;
449def load_param_zexti16 : LoadParamFrag<zextloadi16>;
450
451def isR600 : Predicate<"Subtarget.device()"
452 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
453def isR700 : Predicate<"Subtarget.device()"
454 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
455 "Subtarget.device()->getDeviceFlag()"
456 ">= OCL_DEVICE_RV710">;
457def isEG : Predicate<
458 "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
459 "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
460 "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;
461
462def isCayman : Predicate<"Subtarget.device()"
463 "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
464def isEGorCayman : Predicate<"Subtarget.device()"
465 "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
466 "|| Subtarget.device()->getGeneration() =="
467 "AMDGPUDeviceInfo::HD6XXX">;
468
469def isR600toCayman : Predicate<
470 "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;
471
472//===----------------------------------------------------------------------===//
Tom Stellardff62c352013-01-23 02:09:03 +0000473// R600 SDNodes
Tom Stellard75aadc22012-12-11 21:25:42 +0000474//===----------------------------------------------------------------------===//
475
476def INTERP: SDNode<"AMDGPUISD::INTERP",
477 SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisInt<1>, SDTCisInt<2>]>
478 >;
479
480def INTERP_P0: SDNode<"AMDGPUISD::INTERP_P0",
481 SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisInt<1>]>
482 >;
483
Tom Stellardff62c352013-01-23 02:09:03 +0000484def CONST_ADDRESS: SDNode<"AMDGPUISD::CONST_ADDRESS",
485 SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisPtrTy<1>]>,
486 [SDNPMayLoad]
487>;
488
489//===----------------------------------------------------------------------===//
490// Interpolation Instructions
491//===----------------------------------------------------------------------===//
492
Tom Stellard75aadc22012-12-11 21:25:42 +0000493let usesCustomInserter = 1 in {
494def input_perspective : AMDGPUShaderInst <
495 (outs R600_Reg128:$dst),
496 (ins i32imm:$src0, i32imm:$src1),
497 "input_perspective $src0 $src1 : dst",
498 [(set R600_Reg128:$dst, (INTERP (i32 imm:$src0), (i32 imm:$src1)))]>;
499} // End usesCustomInserter = 1
500
501def input_constant : AMDGPUShaderInst <
502 (outs R600_Reg128:$dst),
503 (ins i32imm:$src),
504 "input_perspective $src : dst",
505 [(set R600_Reg128:$dst, (INTERP_P0 (i32 imm:$src)))]>;
506
507
508
509def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
510 let bank_swizzle = 5;
511}
512
513def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
514 let bank_swizzle = 5;
515}
516
517def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
518
519//===----------------------------------------------------------------------===//
520// Export Instructions
521//===----------------------------------------------------------------------===//
522
523def ExportType : SDTypeProfile<0, 5, [SDTCisFP<0>, SDTCisInt<1>]>;
524
525def EXPORT: SDNode<"AMDGPUISD::EXPORT", ExportType,
526 [SDNPHasChain, SDNPSideEffect]>;
527
528class ExportWord0 {
529 field bits<32> Word0;
530
531 bits<13> arraybase;
532 bits<2> type;
533 bits<7> gpr;
534 bits<2> elem_size;
535
536 let Word0{12-0} = arraybase;
537 let Word0{14-13} = type;
538 let Word0{21-15} = gpr;
539 let Word0{22} = 0; // RW_REL
540 let Word0{29-23} = 0; // INDEX_GPR
541 let Word0{31-30} = elem_size;
542}
543
544class ExportSwzWord1 {
545 field bits<32> Word1;
546
547 bits<3> sw_x;
548 bits<3> sw_y;
549 bits<3> sw_z;
550 bits<3> sw_w;
551 bits<1> eop;
552 bits<8> inst;
553
554 let Word1{2-0} = sw_x;
555 let Word1{5-3} = sw_y;
556 let Word1{8-6} = sw_z;
557 let Word1{11-9} = sw_w;
558}
559
560class ExportBufWord1 {
561 field bits<32> Word1;
562
563 bits<12> arraySize;
564 bits<4> compMask;
565 bits<1> eop;
566 bits<8> inst;
567
568 let Word1{11-0} = arraySize;
569 let Word1{15-12} = compMask;
570}
571
572multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
573 def : Pat<(int_R600_store_pixel_depth R600_Reg32:$reg),
574 (ExportInst
575 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
576 0, 61, 0, 7, 7, 7, cf_inst, 0)
577 >;
578
579 def : Pat<(int_R600_store_pixel_stencil R600_Reg32:$reg),
580 (ExportInst
581 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
582 0, 61, 7, 0, 7, 7, cf_inst, 0)
583 >;
584
585 def : Pat<(int_R600_store_pixel_dummy),
586 (ExportInst
587 (v4f32 (IMPLICIT_DEF)), 0, 0, 7, 7, 7, 7, cf_inst, 0)
588 >;
589
590 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 0),
591 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
592 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
593 0, 1, 2, 3, cf_inst, 0)
594 >;
595}
596
597multiclass SteamOutputExportPattern<Instruction ExportInst,
598 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
599// Stream0
600 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 1),
601 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
602 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
603 4095, imm:$mask, buf0inst, 0)>;
604// Stream1
605 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 2),
606 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
607 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
608 4095, imm:$mask, buf1inst, 0)>;
609// Stream2
610 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 3),
611 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
612 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
613 4095, imm:$mask, buf2inst, 0)>;
614// Stream3
615 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 4),
616 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
617 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
618 4095, imm:$mask, buf3inst, 0)>;
619}
620
621let isTerminator = 1, usesCustomInserter = 1 in {
622
623class ExportSwzInst : InstR600ISA<(
624 outs),
625 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
626 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
627 i32imm:$eop),
628 !strconcat("EXPORT", " $gpr"),
629 []>, ExportWord0, ExportSwzWord1 {
630 let elem_size = 3;
631 let Inst{31-0} = Word0;
632 let Inst{63-32} = Word1;
633}
634
635} // End isTerminator = 1, usesCustomInserter = 1
636
637class ExportBufInst : InstR600ISA<(
638 outs),
639 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
640 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
641 !strconcat("EXPORT", " $gpr"),
642 []>, ExportWord0, ExportBufWord1 {
643 let elem_size = 0;
644 let Inst{31-0} = Word0;
645 let Inst{63-32} = Word1;
646}
647
648let Predicates = [isR600toCayman] in {
649
650//===----------------------------------------------------------------------===//
651// Common Instructions R600, R700, Evergreen, Cayman
652//===----------------------------------------------------------------------===//
653
654def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
655// Non-IEEE MUL: 0 * anything = 0
656def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
657def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
658def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
659def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
660
661// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
662// so some of the instruction names don't match the asm string.
663// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
664def SETE : R600_2OP <
665 0x08, "SETE",
666 [(set R600_Reg32:$dst,
667 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
668 COND_EQ))]
669>;
670
671def SGT : R600_2OP <
672 0x09, "SETGT",
673 [(set R600_Reg32:$dst,
674 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
675 COND_GT))]
676>;
677
678def SGE : R600_2OP <
679 0xA, "SETGE",
680 [(set R600_Reg32:$dst,
681 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
682 COND_GE))]
683>;
684
685def SNE : R600_2OP <
686 0xB, "SETNE",
687 [(set R600_Reg32:$dst,
688 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
689 COND_NE))]
690>;
691
692def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
693def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
694def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
695def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
696def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
697
698def MOV : R600_1OP <0x19, "MOV", []>;
699
700let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
701
702class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
703 (outs R600_Reg32:$dst),
704 (ins immType:$imm),
705 "",
706 []
707>;
708
709} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
710
711def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
712def : Pat <
713 (imm:$val),
714 (MOV_IMM_I32 imm:$val)
715>;
716
717def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
718def : Pat <
719 (fpimm:$val),
720 (MOV_IMM_F32 fpimm:$val)
721>;
722
723def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
724def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
725def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
726def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
727
728let hasSideEffects = 1 in {
729
730def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
731
732} // end hasSideEffects
733
734def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
735def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
736def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
737def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
738def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
739def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
740def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
741def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
Tom Stellard41398022012-12-21 20:12:01 +0000742def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
Tom Stellard75aadc22012-12-11 21:25:42 +0000743def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
744
745def SETE_INT : R600_2OP <
746 0x3A, "SETE_INT",
747 [(set (i32 R600_Reg32:$dst),
748 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
749>;
750
751def SETGT_INT : R600_2OP <
752 0x3B, "SGT_INT",
753 [(set (i32 R600_Reg32:$dst),
754 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
755>;
756
757def SETGE_INT : R600_2OP <
758 0x3C, "SETGE_INT",
759 [(set (i32 R600_Reg32:$dst),
760 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
761>;
762
763def SETNE_INT : R600_2OP <
764 0x3D, "SETNE_INT",
765 [(set (i32 R600_Reg32:$dst),
766 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
767>;
768
769def SETGT_UINT : R600_2OP <
770 0x3E, "SETGT_UINT",
771 [(set (i32 R600_Reg32:$dst),
772 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
773>;
774
775def SETGE_UINT : R600_2OP <
776 0x3F, "SETGE_UINT",
777 [(set (i32 R600_Reg32:$dst),
778 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
779>;
780
781def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
782def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
783def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
784def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
785
786def CNDE_INT : R600_3OP <
787 0x1C, "CNDE_INT",
788 [(set (i32 R600_Reg32:$dst),
789 (selectcc (i32 R600_Reg32:$src0), 0,
790 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
791 COND_EQ))]
792>;
793
794def CNDGE_INT : R600_3OP <
795 0x1E, "CNDGE_INT",
796 [(set (i32 R600_Reg32:$dst),
797 (selectcc (i32 R600_Reg32:$src0), 0,
798 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
799 COND_GE))]
800>;
801
802def CNDGT_INT : R600_3OP <
803 0x1D, "CNDGT_INT",
804 [(set (i32 R600_Reg32:$dst),
805 (selectcc (i32 R600_Reg32:$src0), 0,
806 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
807 COND_GT))]
808>;
809
810//===----------------------------------------------------------------------===//
811// Texture instructions
812//===----------------------------------------------------------------------===//
813
814def TEX_LD : R600_TEX <
815 0x03, "TEX_LD",
816 [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
817> {
818let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget";
819let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget);
820}
821
822def TEX_GET_TEXTURE_RESINFO : R600_TEX <
823 0x04, "TEX_GET_TEXTURE_RESINFO",
824 [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
825>;
826
827def TEX_GET_GRADIENTS_H : R600_TEX <
828 0x07, "TEX_GET_GRADIENTS_H",
829 [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
830>;
831
832def TEX_GET_GRADIENTS_V : R600_TEX <
833 0x08, "TEX_GET_GRADIENTS_V",
834 [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
835>;
836
837def TEX_SET_GRADIENTS_H : R600_TEX <
838 0x0B, "TEX_SET_GRADIENTS_H",
839 []
840>;
841
842def TEX_SET_GRADIENTS_V : R600_TEX <
843 0x0C, "TEX_SET_GRADIENTS_V",
844 []
845>;
846
847def TEX_SAMPLE : R600_TEX <
848 0x10, "TEX_SAMPLE",
849 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
850>;
851
852def TEX_SAMPLE_C : R600_TEX <
853 0x18, "TEX_SAMPLE_C",
854 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
855>;
856
857def TEX_SAMPLE_L : R600_TEX <
858 0x11, "TEX_SAMPLE_L",
859 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
860>;
861
862def TEX_SAMPLE_C_L : R600_TEX <
863 0x19, "TEX_SAMPLE_C_L",
864 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
865>;
866
867def TEX_SAMPLE_LB : R600_TEX <
868 0x12, "TEX_SAMPLE_LB",
869 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
870>;
871
872def TEX_SAMPLE_C_LB : R600_TEX <
873 0x1A, "TEX_SAMPLE_C_LB",
874 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
875>;
876
877def TEX_SAMPLE_G : R600_TEX <
878 0x14, "TEX_SAMPLE_G",
879 []
880>;
881
882def TEX_SAMPLE_C_G : R600_TEX <
883 0x1C, "TEX_SAMPLE_C_G",
884 []
885>;
886
887//===----------------------------------------------------------------------===//
888// Helper classes for common instructions
889//===----------------------------------------------------------------------===//
890
891class MUL_LIT_Common <bits<5> inst> : R600_3OP <
892 inst, "MUL_LIT",
893 []
894>;
895
896class MULADD_Common <bits<5> inst> : R600_3OP <
897 inst, "MULADD",
898 [(set (f32 R600_Reg32:$dst),
899 (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
900>;
901
902class CNDE_Common <bits<5> inst> : R600_3OP <
903 inst, "CNDE",
904 [(set R600_Reg32:$dst,
905 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
906 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
907 COND_EQ))]
908>;
909
910class CNDGT_Common <bits<5> inst> : R600_3OP <
911 inst, "CNDGT",
912 [(set R600_Reg32:$dst,
913 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
914 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
915 COND_GT))]
916>;
917
918class CNDGE_Common <bits<5> inst> : R600_3OP <
919 inst, "CNDGE",
920 [(set R600_Reg32:$dst,
921 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
922 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
923 COND_GE))]
924>;
925
926multiclass DOT4_Common <bits<11> inst> {
927
928 def _pseudo : R600_REDUCTION <inst,
929 (ins R600_Reg128:$src0, R600_Reg128:$src1),
930 "DOT4 $dst $src0, $src1",
931 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
932 >;
933
934 def _real : R600_2OP <inst, "DOT4", []>;
935}
936
937let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
938multiclass CUBE_Common <bits<11> inst> {
939
940 def _pseudo : InstR600 <
941 inst,
942 (outs R600_Reg128:$dst),
943 (ins R600_Reg128:$src),
944 "CUBE $dst $src",
945 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
946 VecALU
947 > {
948 let isPseudo = 1;
949 }
950
951 def _real : R600_2OP <inst, "CUBE", []>;
952}
953} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
954
955class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
956 inst, "EXP_IEEE", fexp2
957>;
958
959class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
960 inst, "FLT_TO_INT", fp_to_sint
961>;
962
963class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
964 inst, "INT_TO_FLT", sint_to_fp
965>;
966
967class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
968 inst, "FLT_TO_UINT", fp_to_uint
969>;
970
971class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
972 inst, "UINT_TO_FLT", uint_to_fp
973>;
974
975class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
976 inst, "LOG_CLAMPED", []
977>;
978
979class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
980 inst, "LOG_IEEE", flog2
981>;
982
983class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
984class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
985class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
986class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
987 inst, "MULHI_INT", mulhs
988>;
989class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
990 inst, "MULHI", mulhu
991>;
992class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
993 inst, "MULLO_INT", mul
994>;
995class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
996
997class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
998 inst, "RECIP_CLAMPED", []
999>;
1000
1001class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
1002 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
1003>;
1004
1005class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1006 inst, "RECIP_UINT", AMDGPUurecip
1007>;
1008
1009class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1010 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1011>;
1012
1013class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1014 inst, "RECIPSQRT_IEEE", []
1015>;
1016
1017class SIN_Common <bits<11> inst> : R600_1OP <
1018 inst, "SIN", []>{
1019 let Trig = 1;
1020}
1021
1022class COS_Common <bits<11> inst> : R600_1OP <
1023 inst, "COS", []> {
1024 let Trig = 1;
1025}
1026
1027//===----------------------------------------------------------------------===//
1028// Helper patterns for complex intrinsics
1029//===----------------------------------------------------------------------===//
1030
1031multiclass DIV_Common <InstR600 recip_ieee> {
1032def : Pat<
1033 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
1034 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1035>;
1036
1037def : Pat<
1038 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
1039 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1040>;
1041}
1042
1043class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1044 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1045 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1046>;
1047
1048//===----------------------------------------------------------------------===//
1049// R600 / R700 Instructions
1050//===----------------------------------------------------------------------===//
1051
1052let Predicates = [isR600] in {
1053
1054 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1055 def MULADD_r600 : MULADD_Common<0x10>;
1056 def CNDE_r600 : CNDE_Common<0x18>;
1057 def CNDGT_r600 : CNDGT_Common<0x19>;
1058 def CNDGE_r600 : CNDGE_Common<0x1A>;
1059 defm DOT4_r600 : DOT4_Common<0x50>;
1060 defm CUBE_r600 : CUBE_Common<0x52>;
1061 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1062 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1063 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1064 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1065 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1066 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1067 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1068 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1069 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1070 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1071 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1072 def SIN_r600 : SIN_Common<0x6E>;
1073 def COS_r600 : COS_Common<0x6F>;
1074 def ASHR_r600 : ASHR_Common<0x70>;
1075 def LSHR_r600 : LSHR_Common<0x71>;
1076 def LSHL_r600 : LSHL_Common<0x72>;
1077 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1078 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1079 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1080 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1081 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1082
1083 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
1084 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1085
1086 def : Pat<(fsqrt R600_Reg32:$src),
1087 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1088
1089 def R600_ExportSwz : ExportSwzInst {
1090 let Word1{20-17} = 1; // BURST_COUNT
1091 let Word1{21} = eop;
1092 let Word1{22} = 1; // VALID_PIXEL_MODE
1093 let Word1{30-23} = inst;
1094 let Word1{31} = 1; // BARRIER
1095 }
1096 defm : ExportPattern<R600_ExportSwz, 39>;
1097
1098 def R600_ExportBuf : ExportBufInst {
1099 let Word1{20-17} = 1; // BURST_COUNT
1100 let Word1{21} = eop;
1101 let Word1{22} = 1; // VALID_PIXEL_MODE
1102 let Word1{30-23} = inst;
1103 let Word1{31} = 1; // BARRIER
1104 }
1105 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1106}
1107
1108// Helper pattern for normalizing inputs to triginomic instructions for R700+
1109// cards.
1110class COS_PAT <InstR600 trig> : Pat<
1111 (fcos R600_Reg32:$src),
1112 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1113>;
1114
1115class SIN_PAT <InstR600 trig> : Pat<
1116 (fsin R600_Reg32:$src),
1117 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1118>;
1119
1120//===----------------------------------------------------------------------===//
1121// R700 Only instructions
1122//===----------------------------------------------------------------------===//
1123
1124let Predicates = [isR700] in {
1125 def SIN_r700 : SIN_Common<0x6E>;
1126 def COS_r700 : COS_Common<0x6F>;
1127
1128 // R700 normalizes inputs to SIN/COS the same as EG
1129 def : SIN_PAT <SIN_r700>;
1130 def : COS_PAT <COS_r700>;
1131}
1132
1133//===----------------------------------------------------------------------===//
1134// Evergreen Only instructions
1135//===----------------------------------------------------------------------===//
1136
1137let Predicates = [isEG] in {
1138
1139def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1140defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1141
1142def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1143def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1144def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1145def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1146def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1147def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1148def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1149def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1150def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1151def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1152def SIN_eg : SIN_Common<0x8D>;
1153def COS_eg : COS_Common<0x8E>;
1154
1155def : SIN_PAT <SIN_eg>;
1156def : COS_PAT <COS_eg>;
1157def : Pat<(fsqrt R600_Reg32:$src),
1158 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1159} // End Predicates = [isEG]
1160
1161//===----------------------------------------------------------------------===//
1162// Evergreen / Cayman Instructions
1163//===----------------------------------------------------------------------===//
1164
1165let Predicates = [isEGorCayman] in {
1166
1167 // BFE_UINT - bit_extract, an optimization for mask and shift
1168 // Src0 = Input
1169 // Src1 = Offset
1170 // Src2 = Width
1171 //
1172 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1173 //
1174 // Example Usage:
1175 // (Offset, Width)
1176 //
1177 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1178 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1179 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1180 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1181 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1182 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1183 R600_Reg32:$src1,
1184 R600_Reg32:$src2))],
1185 VecALU
1186 >;
1187
1188 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1189 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1190 R600_Reg32:$src2))],
1191 VecALU
1192 >;
1193
1194 def MULADD_eg : MULADD_Common<0x14>;
1195 def ASHR_eg : ASHR_Common<0x15>;
1196 def LSHR_eg : LSHR_Common<0x16>;
1197 def LSHL_eg : LSHL_Common<0x17>;
1198 def CNDE_eg : CNDE_Common<0x19>;
1199 def CNDGT_eg : CNDGT_Common<0x1A>;
1200 def CNDGE_eg : CNDGE_Common<0x1B>;
1201 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1202 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1203 defm DOT4_eg : DOT4_Common<0xBE>;
1204 defm CUBE_eg : CUBE_Common<0xC0>;
1205
1206 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1207
1208 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1209 let Pattern = [];
1210 }
1211
1212 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1213
1214 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1215 let Pattern = [];
1216 }
1217
1218 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1219
1220 // TRUNC is used for the FLT_TO_INT instructions to work around a
1221 // perceived problem where the rounding modes are applied differently
1222 // depending on the instruction and the slot they are in.
1223 // See:
1224 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1225 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1226 //
1227 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1228 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1229 // We should look into handling these cases separately.
1230 def : Pat<(fp_to_sint R600_Reg32:$src0),
1231 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1232
1233 def : Pat<(fp_to_uint R600_Reg32:$src0),
1234 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1235
1236 def EG_ExportSwz : ExportSwzInst {
1237 let Word1{19-16} = 1; // BURST_COUNT
1238 let Word1{20} = 1; // VALID_PIXEL_MODE
1239 let Word1{21} = eop;
1240 let Word1{29-22} = inst;
1241 let Word1{30} = 0; // MARK
1242 let Word1{31} = 1; // BARRIER
1243 }
1244 defm : ExportPattern<EG_ExportSwz, 83>;
1245
1246 def EG_ExportBuf : ExportBufInst {
1247 let Word1{19-16} = 1; // BURST_COUNT
1248 let Word1{20} = 1; // VALID_PIXEL_MODE
1249 let Word1{21} = eop;
1250 let Word1{29-22} = inst;
1251 let Word1{30} = 0; // MARK
1252 let Word1{31} = 1; // BARRIER
1253 }
1254 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1255
1256//===----------------------------------------------------------------------===//
1257// Memory read/write instructions
1258//===----------------------------------------------------------------------===//
1259let usesCustomInserter = 1 in {
1260
1261class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1262 list<dag> pattern>
1263 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1264 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1265 let RIM = 0;
1266 // XXX: Have a separate instruction for non-indexed writes.
1267 let TYPE = 1;
1268 let RW_REL = 0;
1269 let ELEM_SIZE = 0;
1270
1271 let ARRAY_SIZE = 0;
1272 let COMP_MASK = comp_mask;
1273 let BURST_COUNT = 0;
1274 let VPM = 0;
1275 let MARK = 0;
1276 let BARRIER = 1;
1277}
1278
1279} // End usesCustomInserter = 1
1280
1281// 32-bit store
1282def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1283 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1284 0x1, "RAT_WRITE_CACHELESS_32_eg",
1285 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1286>;
1287
1288//128-bit store
1289def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1290 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1291 0xf, "RAT_WRITE_CACHELESS_128",
1292 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1293>;
1294
1295class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
Tom Stellardab28e9a2013-01-23 02:09:01 +00001296 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1297 VTX_WORD1_GPR, VTX_WORD0 {
Tom Stellard75aadc22012-12-11 21:25:42 +00001298
1299 // Static fields
Tom Stellardab28e9a2013-01-23 02:09:01 +00001300 let VC_INST = 0;
1301 let FETCH_TYPE = 2;
1302 let FETCH_WHOLE_QUAD = 0;
1303 let BUFFER_ID = buffer_id;
1304 let SRC_REL = 0;
Tom Stellard75aadc22012-12-11 21:25:42 +00001305 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1306 // to store vertex addresses in any channel, not just X.
Tom Stellardab28e9a2013-01-23 02:09:01 +00001307 let SRC_SEL_X = 0;
1308 let DST_REL = 0;
Tom Stellard75aadc22012-12-11 21:25:42 +00001309 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1310 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1311 // however, based on my testing if USE_CONST_FIELDS is set, then all
1312 // these fields need to be set to 0.
Tom Stellardab28e9a2013-01-23 02:09:01 +00001313 let USE_CONST_FIELDS = 0;
1314 let NUM_FORMAT_ALL = 1;
1315 let FORMAT_COMP_ALL = 0;
1316 let SRF_MODE_ALL = 0;
Tom Stellard75aadc22012-12-11 21:25:42 +00001317
Tom Stellardab28e9a2013-01-23 02:09:01 +00001318 let Inst{31-0} = Word0;
1319 let Inst{63-32} = Word1;
Tom Stellard75aadc22012-12-11 21:25:42 +00001320 // LLVM can only encode 64-bit instructions, so these fields are manually
1321 // encoded in R600CodeEmitter
1322 //
1323 // bits<16> OFFSET;
1324 // bits<2> ENDIAN_SWAP = 0;
1325 // bits<1> CONST_BUF_NO_STRIDE = 0;
1326 // bits<1> MEGA_FETCH = 0;
1327 // bits<1> ALT_CONST = 0;
1328 // bits<2> BUFFER_INDEX_MODE = 0;
1329
Tom Stellard75aadc22012-12-11 21:25:42 +00001330
Tom Stellard75aadc22012-12-11 21:25:42 +00001331
1332 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1333 // is done in R600CodeEmitter
1334 //
1335 // Inst{79-64} = OFFSET;
1336 // Inst{81-80} = ENDIAN_SWAP;
1337 // Inst{82} = CONST_BUF_NO_STRIDE;
1338 // Inst{83} = MEGA_FETCH;
1339 // Inst{84} = ALT_CONST;
1340 // Inst{86-85} = BUFFER_INDEX_MODE;
1341 // Inst{95-86} = 0; Reserved
1342
1343 // VTX_WORD3 (Padding)
1344 //
1345 // Inst{127-96} = 0;
1346}
1347
1348class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1349 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1350 pattern> {
1351
1352 let MEGA_FETCH_COUNT = 1;
1353 let DST_SEL_X = 0;
1354 let DST_SEL_Y = 7; // Masked
1355 let DST_SEL_Z = 7; // Masked
1356 let DST_SEL_W = 7; // Masked
1357 let DATA_FORMAT = 1; // FMT_8
1358}
1359
1360class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1361 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1362 pattern> {
1363 let MEGA_FETCH_COUNT = 2;
1364 let DST_SEL_X = 0;
1365 let DST_SEL_Y = 7; // Masked
1366 let DST_SEL_Z = 7; // Masked
1367 let DST_SEL_W = 7; // Masked
1368 let DATA_FORMAT = 5; // FMT_16
1369
1370}
1371
1372class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1373 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1374 pattern> {
1375
1376 let MEGA_FETCH_COUNT = 4;
1377 let DST_SEL_X = 0;
1378 let DST_SEL_Y = 7; // Masked
1379 let DST_SEL_Z = 7; // Masked
1380 let DST_SEL_W = 7; // Masked
1381 let DATA_FORMAT = 0xD; // COLOR_32
1382
1383 // This is not really necessary, but there were some GPU hangs that appeared
1384 // to be caused by ALU instructions in the next instruction group that wrote
1385 // to the $ptr registers of the VTX_READ.
1386 // e.g.
1387 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1388 // %T2_X<def> = MOV %ZERO
1389 //Adding this constraint prevents this from happening.
1390 let Constraints = "$ptr.ptr = $dst";
1391}
1392
1393class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1394 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1395 pattern> {
1396
1397 let MEGA_FETCH_COUNT = 16;
1398 let DST_SEL_X = 0;
1399 let DST_SEL_Y = 1;
1400 let DST_SEL_Z = 2;
1401 let DST_SEL_W = 3;
1402 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1403
1404 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1405 // that holds its buffer address to avoid potential hangs. We can't use
1406 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1407 // registers are different sizes.
1408}
1409
1410//===----------------------------------------------------------------------===//
1411// VTX Read from parameter memory space
1412//===----------------------------------------------------------------------===//
1413
1414def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1415 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1416>;
1417
1418def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1419 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1420>;
1421
1422def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1423 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1424>;
1425
1426//===----------------------------------------------------------------------===//
1427// VTX Read from global memory space
1428//===----------------------------------------------------------------------===//
1429
1430// 8-bit reads
1431def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1432 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1433>;
1434
1435// 32-bit reads
1436def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1437 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1438>;
1439
1440// 128-bit reads
1441def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1442 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1443>;
1444
1445//===----------------------------------------------------------------------===//
1446// Constant Loads
1447// XXX: We are currently storing all constants in the global address space.
1448//===----------------------------------------------------------------------===//
1449
1450def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1451 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1452>;
1453
1454}
1455
1456let Predicates = [isCayman] in {
1457
1458let isVector = 1 in {
1459
1460def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1461
1462def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1463def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1464def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1465def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1466def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1467def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
1468def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
1469def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1470def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1471def SIN_cm : SIN_Common<0x8D>;
1472def COS_cm : COS_Common<0x8E>;
1473} // End isVector = 1
1474
1475def : SIN_PAT <SIN_cm>;
1476def : COS_PAT <COS_cm>;
1477
1478defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1479
1480// RECIP_UINT emulation for Cayman
1481def : Pat <
1482 (AMDGPUurecip R600_Reg32:$src0),
1483 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1484 (MOV_IMM_I32 0x4f800000)))
1485>;
1486
1487
1488def : Pat<(fsqrt R600_Reg32:$src),
1489 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1490
1491} // End isCayman
1492
1493//===----------------------------------------------------------------------===//
1494// Branch Instructions
1495//===----------------------------------------------------------------------===//
1496
1497
1498def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1499 "IF_PREDICATE_SET $src", []>;
1500
1501def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1502 "PREDICATED_BREAK $src", []>;
1503
1504//===----------------------------------------------------------------------===//
1505// Pseudo instructions
1506//===----------------------------------------------------------------------===//
1507
1508let isPseudo = 1 in {
1509
1510def PRED_X : InstR600 <
1511 0, (outs R600_Predicate_Bit:$dst),
1512 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1513 "", [], NullALU> {
1514 let FlagOperandIdx = 3;
1515}
1516
1517let isTerminator = 1, isBranch = 1, isBarrier = 1 in {
1518
1519def JUMP : InstR600 <0x10,
1520 (outs),
1521 (ins brtarget:$target, R600_Pred:$p),
1522 "JUMP $target ($p)",
1523 [], AnyALU
1524 >;
1525
1526} // End isTerminator = 1, isBranch = 1, isBarrier = 1
1527
1528let usesCustomInserter = 1 in {
1529
1530let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1531
1532def MASK_WRITE : AMDGPUShaderInst <
1533 (outs),
1534 (ins R600_Reg32:$src),
1535 "MASK_WRITE $src",
1536 []
1537>;
1538
1539} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1540
1541def R600_LOAD_CONST : AMDGPUShaderInst <
1542 (outs R600_Reg32:$dst),
1543 (ins i32imm:$src0),
1544 "R600_LOAD_CONST $dst, $src0",
1545 [(set R600_Reg32:$dst, (int_AMDGPU_load_const imm:$src0))]
1546>;
1547
1548def RESERVE_REG : AMDGPUShaderInst <
1549 (outs),
1550 (ins i32imm:$src),
1551 "RESERVE_REG $src",
1552 [(int_AMDGPU_reserve_reg imm:$src)]
1553>;
1554
1555def TXD: AMDGPUShaderInst <
1556 (outs R600_Reg128:$dst),
1557 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1558 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1559 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1560>;
1561
1562def TXD_SHADOW: AMDGPUShaderInst <
1563 (outs R600_Reg128:$dst),
1564 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1565 "TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1566 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
1567>;
1568
1569} // End isPseudo = 1
1570} // End usesCustomInserter = 1
1571
1572def CLAMP_R600 : CLAMP <R600_Reg32>;
1573def FABS_R600 : FABS<R600_Reg32>;
1574def FNEG_R600 : FNEG<R600_Reg32>;
1575
1576//===---------------------------------------------------------------------===//
1577// Return instruction
1578//===---------------------------------------------------------------------===//
1579let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1 in {
1580 def RETURN : ILFormat<(outs), (ins variable_ops),
1581 "RETURN", [(IL_retflag)]>;
1582}
1583
Tom Stellardf8794352012-12-19 22:10:31 +00001584//===--------------------------------------------------------------------===//
1585// Instructions support
1586//===--------------------------------------------------------------------===//
1587//===---------------------------------------------------------------------===//
1588// Custom Inserter for Branches and returns, this eventually will be a
1589// seperate pass
1590//===---------------------------------------------------------------------===//
1591let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1592 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1593 "; Pseudo unconditional branch instruction",
1594 [(br bb:$target)]>;
1595 defm BRANCH_COND : BranchConditional<IL_brcond>;
1596}
1597
1598//===---------------------------------------------------------------------===//
1599// Flow and Program control Instructions
1600//===---------------------------------------------------------------------===//
1601let isTerminator=1 in {
1602 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1603 !strconcat("SWITCH", " $src"), []>;
1604 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1605 !strconcat("CASE", " $src"), []>;
1606 def BREAK : ILFormat< (outs), (ins),
1607 "BREAK", []>;
1608 def CONTINUE : ILFormat< (outs), (ins),
1609 "CONTINUE", []>;
1610 def DEFAULT : ILFormat< (outs), (ins),
1611 "DEFAULT", []>;
1612 def ELSE : ILFormat< (outs), (ins),
1613 "ELSE", []>;
1614 def ENDSWITCH : ILFormat< (outs), (ins),
1615 "ENDSWITCH", []>;
1616 def ENDMAIN : ILFormat< (outs), (ins),
1617 "ENDMAIN", []>;
1618 def END : ILFormat< (outs), (ins),
1619 "END", []>;
1620 def ENDFUNC : ILFormat< (outs), (ins),
1621 "ENDFUNC", []>;
1622 def ENDIF : ILFormat< (outs), (ins),
1623 "ENDIF", []>;
1624 def WHILELOOP : ILFormat< (outs), (ins),
1625 "WHILE", []>;
1626 def ENDLOOP : ILFormat< (outs), (ins),
1627 "ENDLOOP", []>;
1628 def FUNC : ILFormat< (outs), (ins),
1629 "FUNC", []>;
1630 def RETDYN : ILFormat< (outs), (ins),
1631 "RET_DYN", []>;
1632 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1633 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
1634 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1635 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
1636 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1637 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
1638 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1639 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
1640 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1641 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
1642 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1643 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
1644 defm IFC : BranchInstr2<"IFC">;
1645 defm BREAKC : BranchInstr2<"BREAKC">;
1646 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
1647}
1648
Tom Stellard75aadc22012-12-11 21:25:42 +00001649//===----------------------------------------------------------------------===//
1650// ISel Patterns
1651//===----------------------------------------------------------------------===//
1652
1653//CNDGE_INT extra pattern
1654def : Pat <
1655 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
1656 (i32 R600_Reg32:$src2), COND_GT),
1657 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
1658>;
1659
1660// KIL Patterns
1661def KILP : Pat <
1662 (int_AMDGPU_kilp),
1663 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
1664>;
1665
1666def KIL : Pat <
1667 (int_AMDGPU_kill R600_Reg32:$src0),
1668 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
1669>;
1670
1671// SGT Reverse args
1672def : Pat <
1673 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
1674 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
1675>;
1676
1677// SGE Reverse args
1678def : Pat <
1679 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
1680 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
1681>;
1682
1683// SETGT_INT reverse args
1684def : Pat <
1685 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
1686 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
1687>;
1688
1689// SETGE_INT reverse args
1690def : Pat <
1691 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
1692 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
1693>;
1694
1695// SETGT_UINT reverse args
1696def : Pat <
1697 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
1698 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1699>;
1700
1701// SETGE_UINT reverse args
1702def : Pat <
1703 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
1704 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1705>;
1706
1707// The next two patterns are special cases for handling 'true if ordered' and
1708// 'true if unordered' conditionals. The assumption here is that the behavior of
1709// SETE and SNE conforms to the Direct3D 10 rules for floating point values
1710// described here:
1711// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
1712// We assume that SETE returns false when one of the operands is NAN and
1713// SNE returns true when on of the operands is NAN
1714
1715//SETE - 'true if ordered'
1716def : Pat <
1717 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
1718 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
1719>;
1720
1721//SNE - 'true if unordered'
1722def : Pat <
1723 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
1724 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
1725>;
1726
1727def : Extract_Element <f32, v4f32, R600_Reg128, 0, sel_x>;
1728def : Extract_Element <f32, v4f32, R600_Reg128, 1, sel_y>;
1729def : Extract_Element <f32, v4f32, R600_Reg128, 2, sel_z>;
1730def : Extract_Element <f32, v4f32, R600_Reg128, 3, sel_w>;
1731
1732def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sel_x>;
1733def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sel_y>;
1734def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sel_z>;
1735def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sel_w>;
1736
1737def : Extract_Element <i32, v4i32, R600_Reg128, 0, sel_x>;
1738def : Extract_Element <i32, v4i32, R600_Reg128, 1, sel_y>;
1739def : Extract_Element <i32, v4i32, R600_Reg128, 2, sel_z>;
1740def : Extract_Element <i32, v4i32, R600_Reg128, 3, sel_w>;
1741
1742def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sel_x>;
1743def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sel_y>;
1744def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sel_z>;
1745def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sel_w>;
1746
1747def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
1748def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
1749
1750// bitconvert patterns
1751
1752def : BitConvert <i32, f32, R600_Reg32>;
1753def : BitConvert <f32, i32, R600_Reg32>;
1754def : BitConvert <v4f32, v4i32, R600_Reg128>;
1755def : BitConvert <v4i32, v4f32, R600_Reg128>;
1756
1757// DWORDADDR pattern
1758def : DwordAddrPat <i32, R600_Reg32>;
1759
1760} // End isR600toCayman Predicate