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Tom Stellardf98f2ce2012-12-11 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
Tom Stellard9f7818d2013-01-23 02:09:06 +000073// src_sel for ALU src operands, see also ALU_CONST, ALU_PARAM registers
74def SEL : OperandWithDefaultOps <i32, (ops (i32 -1))> {
75 let PrintMethod = "printSel";
76}
77
Tom Stellardf98f2ce2012-12-11 21:25:42 +000078def LITERAL : InstFlag<"printLiteral">;
79
80def WRITE : InstFlag <"printWrite", 1>;
81def OMOD : InstFlag <"printOMOD">;
82def REL : InstFlag <"printRel">;
83def CLAMP : InstFlag <"printClamp">;
84def NEG : InstFlag <"printNeg">;
85def ABS : InstFlag <"printAbs">;
86def UEM : InstFlag <"printUpdateExecMask">;
87def UP : InstFlag <"printUpdatePred">;
88
89// XXX: The r600g finalizer in Mesa expects last to be one in most cases.
90// Once we start using the packetizer in this backend we should have this
91// default to 0.
92def LAST : InstFlag<"printLast", 1>;
93
94def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
95def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
96def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;
Tom Stellard9f7818d2013-01-23 02:09:06 +000097def ADDRGA_CONST_OFFSET : ComplexPattern<i32, 1, "SelectGlobalValueConstantOffset", [], []>;
98def ADDRGA_VAR_OFFSET : ComplexPattern<i32, 2, "SelectGlobalValueVariableOffset", [], []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +000099
100class R600ALU_Word0 {
101 field bits<32> Word0;
102
103 bits<11> src0;
104 bits<1> src0_neg;
105 bits<1> src0_rel;
106 bits<11> src1;
107 bits<1> src1_rel;
108 bits<1> src1_neg;
109 bits<3> index_mode = 0;
110 bits<2> pred_sel;
111 bits<1> last;
112
113 bits<9> src0_sel = src0{8-0};
114 bits<2> src0_chan = src0{10-9};
115 bits<9> src1_sel = src1{8-0};
116 bits<2> src1_chan = src1{10-9};
117
118 let Word0{8-0} = src0_sel;
119 let Word0{9} = src0_rel;
120 let Word0{11-10} = src0_chan;
121 let Word0{12} = src0_neg;
122 let Word0{21-13} = src1_sel;
123 let Word0{22} = src1_rel;
124 let Word0{24-23} = src1_chan;
125 let Word0{25} = src1_neg;
126 let Word0{28-26} = index_mode;
127 let Word0{30-29} = pred_sel;
128 let Word0{31} = last;
129}
130
131class R600ALU_Word1 {
132 field bits<32> Word1;
133
134 bits<11> dst;
135 bits<3> bank_swizzle = 0;
136 bits<1> dst_rel;
137 bits<1> clamp;
138
139 bits<7> dst_sel = dst{6-0};
140 bits<2> dst_chan = dst{10-9};
141
142 let Word1{20-18} = bank_swizzle;
143 let Word1{27-21} = dst_sel;
144 let Word1{28} = dst_rel;
145 let Word1{30-29} = dst_chan;
146 let Word1{31} = clamp;
147}
148
149class R600ALU_Word1_OP2 <bits<11> alu_inst> : R600ALU_Word1{
150
151 bits<1> src0_abs;
152 bits<1> src1_abs;
153 bits<1> update_exec_mask;
154 bits<1> update_pred;
155 bits<1> write;
156 bits<2> omod;
157
158 let Word1{0} = src0_abs;
159 let Word1{1} = src1_abs;
160 let Word1{2} = update_exec_mask;
161 let Word1{3} = update_pred;
162 let Word1{4} = write;
163 let Word1{6-5} = omod;
164 let Word1{17-7} = alu_inst;
165}
166
167class R600ALU_Word1_OP3 <bits<5> alu_inst> : R600ALU_Word1{
168
169 bits<11> src2;
170 bits<1> src2_rel;
171 bits<1> src2_neg;
172
173 bits<9> src2_sel = src2{8-0};
174 bits<2> src2_chan = src2{10-9};
175
176 let Word1{8-0} = src2_sel;
177 let Word1{9} = src2_rel;
178 let Word1{11-10} = src2_chan;
179 let Word1{12} = src2_neg;
180 let Word1{17-13} = alu_inst;
181}
182
Tom Stellard80537b92013-01-23 02:09:01 +0000183class VTX_WORD0 {
184 field bits<32> Word0;
185 bits<7> SRC_GPR;
186 bits<5> VC_INST;
187 bits<2> FETCH_TYPE;
188 bits<1> FETCH_WHOLE_QUAD;
189 bits<8> BUFFER_ID;
190 bits<1> SRC_REL;
191 bits<2> SRC_SEL_X;
192 bits<6> MEGA_FETCH_COUNT;
193
194 let Word0{4-0} = VC_INST;
195 let Word0{6-5} = FETCH_TYPE;
196 let Word0{7} = FETCH_WHOLE_QUAD;
197 let Word0{15-8} = BUFFER_ID;
198 let Word0{22-16} = SRC_GPR;
199 let Word0{23} = SRC_REL;
200 let Word0{25-24} = SRC_SEL_X;
201 let Word0{31-26} = MEGA_FETCH_COUNT;
202}
203
204class VTX_WORD1_GPR {
205 field bits<32> Word1;
206 bits<7> DST_GPR;
207 bits<1> DST_REL;
208 bits<3> DST_SEL_X;
209 bits<3> DST_SEL_Y;
210 bits<3> DST_SEL_Z;
211 bits<3> DST_SEL_W;
212 bits<1> USE_CONST_FIELDS;
213 bits<6> DATA_FORMAT;
214 bits<2> NUM_FORMAT_ALL;
215 bits<1> FORMAT_COMP_ALL;
216 bits<1> SRF_MODE_ALL;
217
218 let Word1{6-0} = DST_GPR;
219 let Word1{7} = DST_REL;
220 let Word1{8} = 0; // Reserved
221 let Word1{11-9} = DST_SEL_X;
222 let Word1{14-12} = DST_SEL_Y;
223 let Word1{17-15} = DST_SEL_Z;
224 let Word1{20-18} = DST_SEL_W;
225 let Word1{21} = USE_CONST_FIELDS;
226 let Word1{27-22} = DATA_FORMAT;
227 let Word1{29-28} = NUM_FORMAT_ALL;
228 let Word1{30} = FORMAT_COMP_ALL;
229 let Word1{31} = SRF_MODE_ALL;
230}
231
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000232/*
233XXX: R600 subtarget uses a slightly different encoding than the other
234subtargets. We currently handle this in R600MCCodeEmitter, but we may
235want to use these instruction classes in the future.
236
237class R600ALU_Word1_OP2_r600 : R600ALU_Word1_OP2 {
238
239 bits<1> fog_merge;
240 bits<10> alu_inst;
241
242 let Inst{37} = fog_merge;
243 let Inst{39-38} = omod;
244 let Inst{49-40} = alu_inst;
245}
246
247class R600ALU_Word1_OP2_r700 : R600ALU_Word1_OP2 {
248
249 bits<11> alu_inst;
250
251 let Inst{38-37} = omod;
252 let Inst{49-39} = alu_inst;
253}
254*/
255
256def R600_Pred : PredicateOperand<i32, (ops R600_Predicate),
257 (ops PRED_SEL_OFF)>;
258
259
260let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
261
262// Class for instructions with only one source register.
263// If you add new ins to this instruction, make sure they are listed before
264// $literal, because the backend currently assumes that the last operand is
265// a literal. Also be sure to update the enum R600Op1OperandIndex::ROI in
266// R600Defines.h, R600InstrInfo::buildDefaultInstruction(),
267// and R600InstrInfo::getOperandIdx().
268class R600_1OP <bits<11> inst, string opName, list<dag> pattern,
269 InstrItinClass itin = AnyALU> :
270 InstR600 <0,
271 (outs R600_Reg32:$dst),
272 (ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000273 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000274 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
275 !strconcat(opName,
276 "$clamp $dst$write$dst_rel$omod, "
Tom Stellard9f7818d2013-01-23 02:09:06 +0000277 "$src0_neg$src0_abs$src0$src0_sel$src0_abs$src0_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000278 "$literal $pred_sel$last"),
279 pattern,
280 itin>,
281 R600ALU_Word0,
282 R600ALU_Word1_OP2 <inst> {
283
284 let src1 = 0;
285 let src1_rel = 0;
286 let src1_neg = 0;
287 let src1_abs = 0;
288 let update_exec_mask = 0;
289 let update_pred = 0;
290 let HasNativeOperands = 1;
291 let Op1 = 1;
292 let DisableEncoding = "$literal";
293
294 let Inst{31-0} = Word0;
295 let Inst{63-32} = Word1;
296}
297
298class R600_1OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
299 InstrItinClass itin = AnyALU> :
300 R600_1OP <inst, opName,
301 [(set R600_Reg32:$dst, (node R600_Reg32:$src0))]
302>;
303
304// If you add our change the operands for R600_2OP instructions, you must
305// also update the R600Op2OperandIndex::ROI enum in R600Defines.h,
306// R600InstrInfo::buildDefaultInstruction(), and R600InstrInfo::getOperandIdx().
307class R600_2OP <bits<11> inst, string opName, list<dag> pattern,
308 InstrItinClass itin = AnyALU> :
309 InstR600 <inst,
310 (outs R600_Reg32:$dst),
311 (ins UEM:$update_exec_mask, UP:$update_pred, WRITE:$write,
312 OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000313 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
314 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, ABS:$src1_abs, SEL:$src1_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000315 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
316 !strconcat(opName,
317 "$clamp $update_exec_mask$update_pred$dst$write$dst_rel$omod, "
Tom Stellard9f7818d2013-01-23 02:09:06 +0000318 "$src0_neg$src0_abs$src0$src0_sel$src0_abs$src0_rel, "
319 "$src1_neg$src1_abs$src1$src1_sel$src1_abs$src1_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000320 "$literal $pred_sel$last"),
321 pattern,
322 itin>,
323 R600ALU_Word0,
324 R600ALU_Word1_OP2 <inst> {
325
326 let HasNativeOperands = 1;
327 let Op2 = 1;
328 let DisableEncoding = "$literal";
329
330 let Inst{31-0} = Word0;
331 let Inst{63-32} = Word1;
332}
333
334class R600_2OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
335 InstrItinClass itim = AnyALU> :
336 R600_2OP <inst, opName,
337 [(set R600_Reg32:$dst, (node R600_Reg32:$src0,
338 R600_Reg32:$src1))]
339>;
340
341// If you add our change the operands for R600_3OP instructions, you must
342// also update the R600Op3OperandIndex::ROI enum in R600Defines.h,
343// R600InstrInfo::buildDefaultInstruction(), and
344// R600InstrInfo::getOperandIdx().
345class R600_3OP <bits<5> inst, string opName, list<dag> pattern,
346 InstrItinClass itin = AnyALU> :
347 InstR600 <0,
348 (outs R600_Reg32:$dst),
349 (ins REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000350 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, SEL:$src0_sel,
351 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, SEL:$src1_sel,
352 R600_Reg32:$src2, NEG:$src2_neg, REL:$src2_rel, SEL:$src2_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000353 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
354 !strconcat(opName, "$clamp $dst$dst_rel, "
Tom Stellard9f7818d2013-01-23 02:09:06 +0000355 "$src0_neg$src0$src0_sel$src0_rel, "
356 "$src1_neg$src1$src1_sel$src1_rel, "
357 "$src2_neg$src2$src2_sel$src2_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000358 "$literal $pred_sel$last"),
359 pattern,
360 itin>,
361 R600ALU_Word0,
362 R600ALU_Word1_OP3<inst>{
363
364 let HasNativeOperands = 1;
365 let DisableEncoding = "$literal";
366 let Op3 = 1;
367
368 let Inst{31-0} = Word0;
369 let Inst{63-32} = Word1;
370}
371
372class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
373 InstrItinClass itin = VecALU> :
374 InstR600 <inst,
375 (outs R600_Reg32:$dst),
376 ins,
377 asm,
378 pattern,
379 itin>;
380
381class R600_TEX <bits<11> inst, string opName, list<dag> pattern,
382 InstrItinClass itin = AnyALU> :
383 InstR600 <inst,
384 (outs R600_Reg128:$dst),
385 (ins R600_Reg128:$src0, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
386 !strconcat(opName, "$dst, $src0, $resourceId, $samplerId, $textureTarget"),
387 pattern,
388 itin>{
389 let Inst {10-0} = inst;
390 }
391
392} // End mayLoad = 1, mayStore = 0, hasSideEffects = 0
393
394def TEX_SHADOW : PatLeaf<
395 (imm),
396 [{uint32_t TType = (uint32_t)N->getZExtValue();
Tom Stellardfe13e702012-12-21 20:11:59 +0000397 return (TType >= 6 && TType <= 8) || (TType >= 11 && TType <= 13);
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000398 }]
399>;
400
Tom Stellard97ff6182013-01-21 15:40:48 +0000401def TEX_RECT : PatLeaf<
402 (imm),
403 [{uint32_t TType = (uint32_t)N->getZExtValue();
404 return TType == 5;
405 }]
406>;
407
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000408class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
409 dag ins, string asm, list<dag> pattern> :
410 InstR600ISA <outs, ins, asm, pattern> {
411 bits<7> RW_GPR;
412 bits<7> INDEX_GPR;
413
414 bits<2> RIM;
415 bits<2> TYPE;
416 bits<1> RW_REL;
417 bits<2> ELEM_SIZE;
418
419 bits<12> ARRAY_SIZE;
420 bits<4> COMP_MASK;
421 bits<4> BURST_COUNT;
422 bits<1> VPM;
423 bits<1> eop;
424 bits<1> MARK;
425 bits<1> BARRIER;
426
427 // CF_ALLOC_EXPORT_WORD0_RAT
428 let Inst{3-0} = rat_id;
429 let Inst{9-4} = rat_inst;
430 let Inst{10} = 0; // Reserved
431 let Inst{12-11} = RIM;
432 let Inst{14-13} = TYPE;
433 let Inst{21-15} = RW_GPR;
434 let Inst{22} = RW_REL;
435 let Inst{29-23} = INDEX_GPR;
436 let Inst{31-30} = ELEM_SIZE;
437
438 // CF_ALLOC_EXPORT_WORD1_BUF
439 let Inst{43-32} = ARRAY_SIZE;
440 let Inst{47-44} = COMP_MASK;
441 let Inst{51-48} = BURST_COUNT;
442 let Inst{52} = VPM;
443 let Inst{53} = eop;
444 let Inst{61-54} = cf_inst;
445 let Inst{62} = MARK;
446 let Inst{63} = BARRIER;
447}
448
449class LoadParamFrag <PatFrag load_type> : PatFrag <
450 (ops node:$ptr), (load_type node:$ptr),
451 [{ return isParamLoad(dyn_cast<LoadSDNode>(N)); }]
452>;
453
454def load_param : LoadParamFrag<load>;
455def load_param_zexti8 : LoadParamFrag<zextloadi8>;
456def load_param_zexti16 : LoadParamFrag<zextloadi16>;
457
458def isR600 : Predicate<"Subtarget.device()"
459 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
460def isR700 : Predicate<"Subtarget.device()"
461 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
462 "Subtarget.device()->getDeviceFlag()"
463 ">= OCL_DEVICE_RV710">;
464def isEG : Predicate<
465 "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
466 "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
467 "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;
468
469def isCayman : Predicate<"Subtarget.device()"
470 "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
471def isEGorCayman : Predicate<"Subtarget.device()"
472 "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
473 "|| Subtarget.device()->getGeneration() =="
474 "AMDGPUDeviceInfo::HD6XXX">;
475
476def isR600toCayman : Predicate<
477 "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;
478
479//===----------------------------------------------------------------------===//
Tom Stellardc7e18882013-01-23 02:09:03 +0000480// R600 SDNodes
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000481//===----------------------------------------------------------------------===//
482
483def INTERP: SDNode<"AMDGPUISD::INTERP",
484 SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisInt<1>, SDTCisInt<2>]>
485 >;
486
487def INTERP_P0: SDNode<"AMDGPUISD::INTERP_P0",
488 SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisInt<1>]>
489 >;
490
Tom Stellardc7e18882013-01-23 02:09:03 +0000491def CONST_ADDRESS: SDNode<"AMDGPUISD::CONST_ADDRESS",
Tom Stellard9f7818d2013-01-23 02:09:06 +0000492 SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>,
Tom Stellardc7e18882013-01-23 02:09:03 +0000493 [SDNPMayLoad]
494>;
495
496//===----------------------------------------------------------------------===//
497// Interpolation Instructions
498//===----------------------------------------------------------------------===//
499
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000500let usesCustomInserter = 1 in {
501def input_perspective : AMDGPUShaderInst <
502 (outs R600_Reg128:$dst),
503 (ins i32imm:$src0, i32imm:$src1),
504 "input_perspective $src0 $src1 : dst",
505 [(set R600_Reg128:$dst, (INTERP (i32 imm:$src0), (i32 imm:$src1)))]>;
506} // End usesCustomInserter = 1
507
508def input_constant : AMDGPUShaderInst <
509 (outs R600_Reg128:$dst),
510 (ins i32imm:$src),
511 "input_perspective $src : dst",
512 [(set R600_Reg128:$dst, (INTERP_P0 (i32 imm:$src)))]>;
513
514
515
516def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
517 let bank_swizzle = 5;
518}
519
520def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
521 let bank_swizzle = 5;
522}
523
524def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
525
526//===----------------------------------------------------------------------===//
527// Export Instructions
528//===----------------------------------------------------------------------===//
529
530def ExportType : SDTypeProfile<0, 5, [SDTCisFP<0>, SDTCisInt<1>]>;
531
532def EXPORT: SDNode<"AMDGPUISD::EXPORT", ExportType,
533 [SDNPHasChain, SDNPSideEffect]>;
534
535class ExportWord0 {
536 field bits<32> Word0;
537
538 bits<13> arraybase;
539 bits<2> type;
540 bits<7> gpr;
541 bits<2> elem_size;
542
543 let Word0{12-0} = arraybase;
544 let Word0{14-13} = type;
545 let Word0{21-15} = gpr;
546 let Word0{22} = 0; // RW_REL
547 let Word0{29-23} = 0; // INDEX_GPR
548 let Word0{31-30} = elem_size;
549}
550
551class ExportSwzWord1 {
552 field bits<32> Word1;
553
554 bits<3> sw_x;
555 bits<3> sw_y;
556 bits<3> sw_z;
557 bits<3> sw_w;
558 bits<1> eop;
559 bits<8> inst;
560
561 let Word1{2-0} = sw_x;
562 let Word1{5-3} = sw_y;
563 let Word1{8-6} = sw_z;
564 let Word1{11-9} = sw_w;
565}
566
567class ExportBufWord1 {
568 field bits<32> Word1;
569
570 bits<12> arraySize;
571 bits<4> compMask;
572 bits<1> eop;
573 bits<8> inst;
574
575 let Word1{11-0} = arraySize;
576 let Word1{15-12} = compMask;
577}
578
579multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
580 def : Pat<(int_R600_store_pixel_depth R600_Reg32:$reg),
581 (ExportInst
582 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
583 0, 61, 0, 7, 7, 7, cf_inst, 0)
584 >;
585
586 def : Pat<(int_R600_store_pixel_stencil R600_Reg32:$reg),
587 (ExportInst
588 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
589 0, 61, 7, 0, 7, 7, cf_inst, 0)
590 >;
591
Tom Stellard44ddc362013-01-31 22:11:46 +0000592 def : Pat<(int_R600_store_dummy (i32 imm:$type)),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000593 (ExportInst
Tom Stellard44ddc362013-01-31 22:11:46 +0000594 (v4f32 (IMPLICIT_DEF)), imm:$type, 0, 7, 7, 7, 7, cf_inst, 0)
595 >;
596
597 def : Pat<(int_R600_store_dummy 1),
598 (ExportInst
599 (v4f32 (IMPLICIT_DEF)), 1, 60, 7, 7, 7, 7, cf_inst, 0)
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000600 >;
601
602 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 0),
603 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
604 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
605 0, 1, 2, 3, cf_inst, 0)
606 >;
Tom Stellard254a83e2013-01-23 21:39:49 +0000607 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 1),
608 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
609 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
610 0, 1, 2, 3, cf_inst, 0)
611 >;
612
613 def : Pat<(int_R600_store_swizzle (v4f32 R600_Reg128:$src), imm:$arraybase,
614 imm:$type),
615 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
616 0, 1, 2, 3, cf_inst, 0)
617 >;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000618}
619
620multiclass SteamOutputExportPattern<Instruction ExportInst,
621 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
622// Stream0
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000623 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
624 (i32 imm:$arraybase), (i32 0), (i32 imm:$mask)),
625 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000626 4095, imm:$mask, buf0inst, 0)>;
627// Stream1
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000628 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
629 (i32 imm:$arraybase), (i32 1), (i32 imm:$mask)),
630 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000631 4095, imm:$mask, buf1inst, 0)>;
632// Stream2
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000633 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
634 (i32 imm:$arraybase), (i32 2), (i32 imm:$mask)),
635 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000636 4095, imm:$mask, buf2inst, 0)>;
637// Stream3
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000638 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
639 (i32 imm:$arraybase), (i32 3), (i32 imm:$mask)),
640 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000641 4095, imm:$mask, buf3inst, 0)>;
642}
643
644let isTerminator = 1, usesCustomInserter = 1 in {
645
646class ExportSwzInst : InstR600ISA<(
647 outs),
648 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
649 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
650 i32imm:$eop),
651 !strconcat("EXPORT", " $gpr"),
652 []>, ExportWord0, ExportSwzWord1 {
653 let elem_size = 3;
654 let Inst{31-0} = Word0;
655 let Inst{63-32} = Word1;
656}
657
658} // End isTerminator = 1, usesCustomInserter = 1
659
660class ExportBufInst : InstR600ISA<(
661 outs),
662 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
663 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
664 !strconcat("EXPORT", " $gpr"),
665 []>, ExportWord0, ExportBufWord1 {
666 let elem_size = 0;
667 let Inst{31-0} = Word0;
668 let Inst{63-32} = Word1;
669}
670
671let Predicates = [isR600toCayman] in {
672
673//===----------------------------------------------------------------------===//
674// Common Instructions R600, R700, Evergreen, Cayman
675//===----------------------------------------------------------------------===//
676
677def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
678// Non-IEEE MUL: 0 * anything = 0
679def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
680def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
681def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
682def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
683
684// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
685// so some of the instruction names don't match the asm string.
686// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
687def SETE : R600_2OP <
688 0x08, "SETE",
689 [(set R600_Reg32:$dst,
690 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
691 COND_EQ))]
692>;
693
694def SGT : R600_2OP <
695 0x09, "SETGT",
696 [(set R600_Reg32:$dst,
697 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
698 COND_GT))]
699>;
700
701def SGE : R600_2OP <
702 0xA, "SETGE",
703 [(set R600_Reg32:$dst,
704 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
705 COND_GE))]
706>;
707
708def SNE : R600_2OP <
709 0xB, "SETNE",
710 [(set R600_Reg32:$dst,
711 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
712 COND_NE))]
713>;
714
715def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
716def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
717def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
718def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
719def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
720
721def MOV : R600_1OP <0x19, "MOV", []>;
722
723let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
724
725class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
726 (outs R600_Reg32:$dst),
727 (ins immType:$imm),
728 "",
729 []
730>;
731
732} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
733
734def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
735def : Pat <
736 (imm:$val),
737 (MOV_IMM_I32 imm:$val)
738>;
739
740def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
741def : Pat <
742 (fpimm:$val),
743 (MOV_IMM_F32 fpimm:$val)
744>;
745
746def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
747def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
748def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
749def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
750
751let hasSideEffects = 1 in {
752
753def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
754
755} // end hasSideEffects
756
757def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
758def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
759def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
760def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
761def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
762def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
763def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
764def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
Tom Stellardeef0d5a2012-12-21 20:12:01 +0000765def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000766def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
767
768def SETE_INT : R600_2OP <
769 0x3A, "SETE_INT",
770 [(set (i32 R600_Reg32:$dst),
771 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
772>;
773
774def SETGT_INT : R600_2OP <
775 0x3B, "SGT_INT",
776 [(set (i32 R600_Reg32:$dst),
777 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
778>;
779
780def SETGE_INT : R600_2OP <
781 0x3C, "SETGE_INT",
782 [(set (i32 R600_Reg32:$dst),
783 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
784>;
785
786def SETNE_INT : R600_2OP <
787 0x3D, "SETNE_INT",
788 [(set (i32 R600_Reg32:$dst),
789 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
790>;
791
792def SETGT_UINT : R600_2OP <
793 0x3E, "SETGT_UINT",
794 [(set (i32 R600_Reg32:$dst),
795 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
796>;
797
798def SETGE_UINT : R600_2OP <
799 0x3F, "SETGE_UINT",
800 [(set (i32 R600_Reg32:$dst),
801 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
802>;
803
804def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
805def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
806def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
807def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
808
809def CNDE_INT : R600_3OP <
810 0x1C, "CNDE_INT",
811 [(set (i32 R600_Reg32:$dst),
812 (selectcc (i32 R600_Reg32:$src0), 0,
813 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
814 COND_EQ))]
815>;
816
817def CNDGE_INT : R600_3OP <
818 0x1E, "CNDGE_INT",
819 [(set (i32 R600_Reg32:$dst),
820 (selectcc (i32 R600_Reg32:$src0), 0,
821 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
822 COND_GE))]
823>;
824
825def CNDGT_INT : R600_3OP <
826 0x1D, "CNDGT_INT",
827 [(set (i32 R600_Reg32:$dst),
828 (selectcc (i32 R600_Reg32:$src0), 0,
829 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
830 COND_GT))]
831>;
832
833//===----------------------------------------------------------------------===//
834// Texture instructions
835//===----------------------------------------------------------------------===//
836
837def TEX_LD : R600_TEX <
838 0x03, "TEX_LD",
839 [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
840> {
841let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget";
842let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget);
843}
844
845def TEX_GET_TEXTURE_RESINFO : R600_TEX <
846 0x04, "TEX_GET_TEXTURE_RESINFO",
847 [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
848>;
849
850def TEX_GET_GRADIENTS_H : R600_TEX <
851 0x07, "TEX_GET_GRADIENTS_H",
852 [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
853>;
854
855def TEX_GET_GRADIENTS_V : R600_TEX <
856 0x08, "TEX_GET_GRADIENTS_V",
857 [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
858>;
859
860def TEX_SET_GRADIENTS_H : R600_TEX <
861 0x0B, "TEX_SET_GRADIENTS_H",
862 []
863>;
864
865def TEX_SET_GRADIENTS_V : R600_TEX <
866 0x0C, "TEX_SET_GRADIENTS_V",
867 []
868>;
869
870def TEX_SAMPLE : R600_TEX <
871 0x10, "TEX_SAMPLE",
872 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
873>;
874
875def TEX_SAMPLE_C : R600_TEX <
876 0x18, "TEX_SAMPLE_C",
877 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
878>;
879
880def TEX_SAMPLE_L : R600_TEX <
881 0x11, "TEX_SAMPLE_L",
882 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
883>;
884
885def TEX_SAMPLE_C_L : R600_TEX <
886 0x19, "TEX_SAMPLE_C_L",
887 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
888>;
889
890def TEX_SAMPLE_LB : R600_TEX <
891 0x12, "TEX_SAMPLE_LB",
892 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
893>;
894
895def TEX_SAMPLE_C_LB : R600_TEX <
896 0x1A, "TEX_SAMPLE_C_LB",
897 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
898>;
899
900def TEX_SAMPLE_G : R600_TEX <
901 0x14, "TEX_SAMPLE_G",
902 []
903>;
904
905def TEX_SAMPLE_C_G : R600_TEX <
906 0x1C, "TEX_SAMPLE_C_G",
907 []
908>;
909
910//===----------------------------------------------------------------------===//
911// Helper classes for common instructions
912//===----------------------------------------------------------------------===//
913
914class MUL_LIT_Common <bits<5> inst> : R600_3OP <
915 inst, "MUL_LIT",
916 []
917>;
918
919class MULADD_Common <bits<5> inst> : R600_3OP <
920 inst, "MULADD",
921 [(set (f32 R600_Reg32:$dst),
922 (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
923>;
924
925class CNDE_Common <bits<5> inst> : R600_3OP <
926 inst, "CNDE",
927 [(set R600_Reg32:$dst,
928 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
929 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
930 COND_EQ))]
931>;
932
933class CNDGT_Common <bits<5> inst> : R600_3OP <
934 inst, "CNDGT",
935 [(set R600_Reg32:$dst,
936 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
937 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
938 COND_GT))]
939>;
940
941class CNDGE_Common <bits<5> inst> : R600_3OP <
942 inst, "CNDGE",
943 [(set R600_Reg32:$dst,
944 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
945 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
946 COND_GE))]
947>;
948
949multiclass DOT4_Common <bits<11> inst> {
950
951 def _pseudo : R600_REDUCTION <inst,
952 (ins R600_Reg128:$src0, R600_Reg128:$src1),
953 "DOT4 $dst $src0, $src1",
954 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
955 >;
956
957 def _real : R600_2OP <inst, "DOT4", []>;
958}
959
960let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
961multiclass CUBE_Common <bits<11> inst> {
962
963 def _pseudo : InstR600 <
964 inst,
965 (outs R600_Reg128:$dst),
966 (ins R600_Reg128:$src),
967 "CUBE $dst $src",
968 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
969 VecALU
970 > {
971 let isPseudo = 1;
972 }
973
974 def _real : R600_2OP <inst, "CUBE", []>;
975}
976} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
977
978class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
979 inst, "EXP_IEEE", fexp2
980>;
981
982class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
983 inst, "FLT_TO_INT", fp_to_sint
984>;
985
986class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
987 inst, "INT_TO_FLT", sint_to_fp
988>;
989
990class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
991 inst, "FLT_TO_UINT", fp_to_uint
992>;
993
994class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
995 inst, "UINT_TO_FLT", uint_to_fp
996>;
997
998class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
999 inst, "LOG_CLAMPED", []
1000>;
1001
1002class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
1003 inst, "LOG_IEEE", flog2
1004>;
1005
1006class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
1007class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
1008class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
1009class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
1010 inst, "MULHI_INT", mulhs
1011>;
1012class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
1013 inst, "MULHI", mulhu
1014>;
1015class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
1016 inst, "MULLO_INT", mul
1017>;
1018class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
1019
1020class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
1021 inst, "RECIP_CLAMPED", []
1022>;
1023
1024class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
1025 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
1026>;
1027
1028class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1029 inst, "RECIP_UINT", AMDGPUurecip
1030>;
1031
1032class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1033 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1034>;
1035
1036class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1037 inst, "RECIPSQRT_IEEE", []
1038>;
1039
1040class SIN_Common <bits<11> inst> : R600_1OP <
1041 inst, "SIN", []>{
1042 let Trig = 1;
1043}
1044
1045class COS_Common <bits<11> inst> : R600_1OP <
1046 inst, "COS", []> {
1047 let Trig = 1;
1048}
1049
1050//===----------------------------------------------------------------------===//
1051// Helper patterns for complex intrinsics
1052//===----------------------------------------------------------------------===//
1053
1054multiclass DIV_Common <InstR600 recip_ieee> {
1055def : Pat<
1056 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
1057 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1058>;
1059
1060def : Pat<
1061 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
1062 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1063>;
1064}
1065
1066class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1067 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1068 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1069>;
1070
1071//===----------------------------------------------------------------------===//
1072// R600 / R700 Instructions
1073//===----------------------------------------------------------------------===//
1074
1075let Predicates = [isR600] in {
1076
1077 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1078 def MULADD_r600 : MULADD_Common<0x10>;
1079 def CNDE_r600 : CNDE_Common<0x18>;
1080 def CNDGT_r600 : CNDGT_Common<0x19>;
1081 def CNDGE_r600 : CNDGE_Common<0x1A>;
1082 defm DOT4_r600 : DOT4_Common<0x50>;
1083 defm CUBE_r600 : CUBE_Common<0x52>;
1084 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1085 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1086 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1087 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1088 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1089 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1090 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1091 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1092 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1093 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1094 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1095 def SIN_r600 : SIN_Common<0x6E>;
1096 def COS_r600 : COS_Common<0x6F>;
1097 def ASHR_r600 : ASHR_Common<0x70>;
1098 def LSHR_r600 : LSHR_Common<0x71>;
1099 def LSHL_r600 : LSHL_Common<0x72>;
1100 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1101 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1102 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1103 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1104 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1105
1106 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
1107 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1108
1109 def : Pat<(fsqrt R600_Reg32:$src),
1110 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1111
1112 def R600_ExportSwz : ExportSwzInst {
1113 let Word1{20-17} = 1; // BURST_COUNT
1114 let Word1{21} = eop;
1115 let Word1{22} = 1; // VALID_PIXEL_MODE
1116 let Word1{30-23} = inst;
1117 let Word1{31} = 1; // BARRIER
1118 }
1119 defm : ExportPattern<R600_ExportSwz, 39>;
1120
1121 def R600_ExportBuf : ExportBufInst {
1122 let Word1{20-17} = 1; // BURST_COUNT
1123 let Word1{21} = eop;
1124 let Word1{22} = 1; // VALID_PIXEL_MODE
1125 let Word1{30-23} = inst;
1126 let Word1{31} = 1; // BARRIER
1127 }
1128 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1129}
1130
1131// Helper pattern for normalizing inputs to triginomic instructions for R700+
1132// cards.
1133class COS_PAT <InstR600 trig> : Pat<
1134 (fcos R600_Reg32:$src),
1135 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1136>;
1137
1138class SIN_PAT <InstR600 trig> : Pat<
1139 (fsin R600_Reg32:$src),
1140 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1141>;
1142
1143//===----------------------------------------------------------------------===//
1144// R700 Only instructions
1145//===----------------------------------------------------------------------===//
1146
1147let Predicates = [isR700] in {
1148 def SIN_r700 : SIN_Common<0x6E>;
1149 def COS_r700 : COS_Common<0x6F>;
1150
1151 // R700 normalizes inputs to SIN/COS the same as EG
1152 def : SIN_PAT <SIN_r700>;
1153 def : COS_PAT <COS_r700>;
1154}
1155
1156//===----------------------------------------------------------------------===//
1157// Evergreen Only instructions
1158//===----------------------------------------------------------------------===//
1159
1160let Predicates = [isEG] in {
1161
1162def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1163defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1164
1165def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1166def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1167def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1168def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1169def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1170def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1171def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1172def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1173def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1174def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1175def SIN_eg : SIN_Common<0x8D>;
1176def COS_eg : COS_Common<0x8E>;
1177
1178def : SIN_PAT <SIN_eg>;
1179def : COS_PAT <COS_eg>;
1180def : Pat<(fsqrt R600_Reg32:$src),
1181 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1182} // End Predicates = [isEG]
1183
1184//===----------------------------------------------------------------------===//
1185// Evergreen / Cayman Instructions
1186//===----------------------------------------------------------------------===//
1187
1188let Predicates = [isEGorCayman] in {
1189
1190 // BFE_UINT - bit_extract, an optimization for mask and shift
1191 // Src0 = Input
1192 // Src1 = Offset
1193 // Src2 = Width
1194 //
1195 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1196 //
1197 // Example Usage:
1198 // (Offset, Width)
1199 //
1200 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1201 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1202 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1203 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1204 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1205 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1206 R600_Reg32:$src1,
1207 R600_Reg32:$src2))],
1208 VecALU
1209 >;
1210
1211 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1212 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1213 R600_Reg32:$src2))],
1214 VecALU
1215 >;
1216
1217 def MULADD_eg : MULADD_Common<0x14>;
1218 def ASHR_eg : ASHR_Common<0x15>;
1219 def LSHR_eg : LSHR_Common<0x16>;
1220 def LSHL_eg : LSHL_Common<0x17>;
1221 def CNDE_eg : CNDE_Common<0x19>;
1222 def CNDGT_eg : CNDGT_Common<0x1A>;
1223 def CNDGE_eg : CNDGE_Common<0x1B>;
1224 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1225 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1226 defm DOT4_eg : DOT4_Common<0xBE>;
1227 defm CUBE_eg : CUBE_Common<0xC0>;
1228
1229 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1230
1231 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1232 let Pattern = [];
1233 }
1234
1235 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1236
1237 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1238 let Pattern = [];
1239 }
1240
1241 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1242
1243 // TRUNC is used for the FLT_TO_INT instructions to work around a
1244 // perceived problem where the rounding modes are applied differently
1245 // depending on the instruction and the slot they are in.
1246 // See:
1247 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1248 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1249 //
1250 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1251 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1252 // We should look into handling these cases separately.
1253 def : Pat<(fp_to_sint R600_Reg32:$src0),
1254 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1255
1256 def : Pat<(fp_to_uint R600_Reg32:$src0),
1257 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1258
1259 def EG_ExportSwz : ExportSwzInst {
1260 let Word1{19-16} = 1; // BURST_COUNT
1261 let Word1{20} = 1; // VALID_PIXEL_MODE
1262 let Word1{21} = eop;
1263 let Word1{29-22} = inst;
1264 let Word1{30} = 0; // MARK
1265 let Word1{31} = 1; // BARRIER
1266 }
1267 defm : ExportPattern<EG_ExportSwz, 83>;
1268
1269 def EG_ExportBuf : ExportBufInst {
1270 let Word1{19-16} = 1; // BURST_COUNT
1271 let Word1{20} = 1; // VALID_PIXEL_MODE
1272 let Word1{21} = eop;
1273 let Word1{29-22} = inst;
1274 let Word1{30} = 0; // MARK
1275 let Word1{31} = 1; // BARRIER
1276 }
1277 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1278
1279//===----------------------------------------------------------------------===//
1280// Memory read/write instructions
1281//===----------------------------------------------------------------------===//
1282let usesCustomInserter = 1 in {
1283
1284class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1285 list<dag> pattern>
1286 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1287 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1288 let RIM = 0;
1289 // XXX: Have a separate instruction for non-indexed writes.
1290 let TYPE = 1;
1291 let RW_REL = 0;
1292 let ELEM_SIZE = 0;
1293
1294 let ARRAY_SIZE = 0;
1295 let COMP_MASK = comp_mask;
1296 let BURST_COUNT = 0;
1297 let VPM = 0;
1298 let MARK = 0;
1299 let BARRIER = 1;
1300}
1301
1302} // End usesCustomInserter = 1
1303
1304// 32-bit store
1305def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1306 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1307 0x1, "RAT_WRITE_CACHELESS_32_eg",
1308 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1309>;
1310
1311//128-bit store
1312def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1313 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1314 0xf, "RAT_WRITE_CACHELESS_128",
1315 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1316>;
1317
1318class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
Tom Stellard80537b92013-01-23 02:09:01 +00001319 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1320 VTX_WORD1_GPR, VTX_WORD0 {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001321
1322 // Static fields
Tom Stellard80537b92013-01-23 02:09:01 +00001323 let VC_INST = 0;
1324 let FETCH_TYPE = 2;
1325 let FETCH_WHOLE_QUAD = 0;
1326 let BUFFER_ID = buffer_id;
1327 let SRC_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001328 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1329 // to store vertex addresses in any channel, not just X.
Tom Stellard80537b92013-01-23 02:09:01 +00001330 let SRC_SEL_X = 0;
1331 let DST_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001332 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1333 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1334 // however, based on my testing if USE_CONST_FIELDS is set, then all
1335 // these fields need to be set to 0.
Tom Stellard80537b92013-01-23 02:09:01 +00001336 let USE_CONST_FIELDS = 0;
1337 let NUM_FORMAT_ALL = 1;
1338 let FORMAT_COMP_ALL = 0;
1339 let SRF_MODE_ALL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001340
Tom Stellard80537b92013-01-23 02:09:01 +00001341 let Inst{31-0} = Word0;
1342 let Inst{63-32} = Word1;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001343 // LLVM can only encode 64-bit instructions, so these fields are manually
1344 // encoded in R600CodeEmitter
1345 //
1346 // bits<16> OFFSET;
1347 // bits<2> ENDIAN_SWAP = 0;
1348 // bits<1> CONST_BUF_NO_STRIDE = 0;
1349 // bits<1> MEGA_FETCH = 0;
1350 // bits<1> ALT_CONST = 0;
1351 // bits<2> BUFFER_INDEX_MODE = 0;
1352
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001353
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001354
1355 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1356 // is done in R600CodeEmitter
1357 //
1358 // Inst{79-64} = OFFSET;
1359 // Inst{81-80} = ENDIAN_SWAP;
1360 // Inst{82} = CONST_BUF_NO_STRIDE;
1361 // Inst{83} = MEGA_FETCH;
1362 // Inst{84} = ALT_CONST;
1363 // Inst{86-85} = BUFFER_INDEX_MODE;
1364 // Inst{95-86} = 0; Reserved
1365
1366 // VTX_WORD3 (Padding)
1367 //
1368 // Inst{127-96} = 0;
1369}
1370
1371class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1372 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1373 pattern> {
1374
1375 let MEGA_FETCH_COUNT = 1;
1376 let DST_SEL_X = 0;
1377 let DST_SEL_Y = 7; // Masked
1378 let DST_SEL_Z = 7; // Masked
1379 let DST_SEL_W = 7; // Masked
1380 let DATA_FORMAT = 1; // FMT_8
1381}
1382
1383class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1384 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1385 pattern> {
1386 let MEGA_FETCH_COUNT = 2;
1387 let DST_SEL_X = 0;
1388 let DST_SEL_Y = 7; // Masked
1389 let DST_SEL_Z = 7; // Masked
1390 let DST_SEL_W = 7; // Masked
1391 let DATA_FORMAT = 5; // FMT_16
1392
1393}
1394
1395class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1396 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1397 pattern> {
1398
1399 let MEGA_FETCH_COUNT = 4;
1400 let DST_SEL_X = 0;
1401 let DST_SEL_Y = 7; // Masked
1402 let DST_SEL_Z = 7; // Masked
1403 let DST_SEL_W = 7; // Masked
1404 let DATA_FORMAT = 0xD; // COLOR_32
1405
1406 // This is not really necessary, but there were some GPU hangs that appeared
1407 // to be caused by ALU instructions in the next instruction group that wrote
1408 // to the $ptr registers of the VTX_READ.
1409 // e.g.
1410 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1411 // %T2_X<def> = MOV %ZERO
1412 //Adding this constraint prevents this from happening.
1413 let Constraints = "$ptr.ptr = $dst";
1414}
1415
1416class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1417 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1418 pattern> {
1419
1420 let MEGA_FETCH_COUNT = 16;
1421 let DST_SEL_X = 0;
1422 let DST_SEL_Y = 1;
1423 let DST_SEL_Z = 2;
1424 let DST_SEL_W = 3;
1425 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1426
1427 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1428 // that holds its buffer address to avoid potential hangs. We can't use
1429 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1430 // registers are different sizes.
1431}
1432
1433//===----------------------------------------------------------------------===//
1434// VTX Read from parameter memory space
1435//===----------------------------------------------------------------------===//
1436
1437def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1438 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1439>;
1440
1441def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1442 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1443>;
1444
1445def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1446 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1447>;
1448
1449//===----------------------------------------------------------------------===//
1450// VTX Read from global memory space
1451//===----------------------------------------------------------------------===//
1452
1453// 8-bit reads
1454def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1455 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1456>;
1457
1458// 32-bit reads
1459def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1460 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1461>;
1462
1463// 128-bit reads
1464def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1465 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1466>;
1467
1468//===----------------------------------------------------------------------===//
1469// Constant Loads
1470// XXX: We are currently storing all constants in the global address space.
1471//===----------------------------------------------------------------------===//
1472
1473def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1474 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1475>;
1476
1477}
1478
1479let Predicates = [isCayman] in {
1480
1481let isVector = 1 in {
1482
1483def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1484
1485def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1486def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1487def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1488def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1489def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1490def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
1491def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
1492def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1493def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1494def SIN_cm : SIN_Common<0x8D>;
1495def COS_cm : COS_Common<0x8E>;
1496} // End isVector = 1
1497
1498def : SIN_PAT <SIN_cm>;
1499def : COS_PAT <COS_cm>;
1500
1501defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1502
1503// RECIP_UINT emulation for Cayman
1504def : Pat <
1505 (AMDGPUurecip R600_Reg32:$src0),
1506 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1507 (MOV_IMM_I32 0x4f800000)))
1508>;
1509
1510
1511def : Pat<(fsqrt R600_Reg32:$src),
1512 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1513
1514} // End isCayman
1515
1516//===----------------------------------------------------------------------===//
1517// Branch Instructions
1518//===----------------------------------------------------------------------===//
1519
1520
1521def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1522 "IF_PREDICATE_SET $src", []>;
1523
1524def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1525 "PREDICATED_BREAK $src", []>;
1526
1527//===----------------------------------------------------------------------===//
1528// Pseudo instructions
1529//===----------------------------------------------------------------------===//
1530
1531let isPseudo = 1 in {
1532
1533def PRED_X : InstR600 <
1534 0, (outs R600_Predicate_Bit:$dst),
1535 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1536 "", [], NullALU> {
1537 let FlagOperandIdx = 3;
1538}
1539
1540let isTerminator = 1, isBranch = 1, isBarrier = 1 in {
1541
1542def JUMP : InstR600 <0x10,
1543 (outs),
1544 (ins brtarget:$target, R600_Pred:$p),
1545 "JUMP $target ($p)",
1546 [], AnyALU
1547 >;
1548
1549} // End isTerminator = 1, isBranch = 1, isBarrier = 1
1550
1551let usesCustomInserter = 1 in {
1552
1553let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1554
1555def MASK_WRITE : AMDGPUShaderInst <
1556 (outs),
1557 (ins R600_Reg32:$src),
1558 "MASK_WRITE $src",
1559 []
1560>;
1561
1562} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1563
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001564
1565def RESERVE_REG : AMDGPUShaderInst <
1566 (outs),
1567 (ins i32imm:$src),
1568 "RESERVE_REG $src",
1569 [(int_AMDGPU_reserve_reg imm:$src)]
1570>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001571def TXD: AMDGPUShaderInst <
1572 (outs R600_Reg128:$dst),
1573 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1574 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1575 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1576>;
1577
1578def TXD_SHADOW: AMDGPUShaderInst <
1579 (outs R600_Reg128:$dst),
1580 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1581 "TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1582 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
1583>;
1584
1585} // End isPseudo = 1
1586} // End usesCustomInserter = 1
1587
1588def CLAMP_R600 : CLAMP <R600_Reg32>;
1589def FABS_R600 : FABS<R600_Reg32>;
1590def FNEG_R600 : FNEG<R600_Reg32>;
1591
1592//===---------------------------------------------------------------------===//
1593// Return instruction
1594//===---------------------------------------------------------------------===//
1595let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1 in {
1596 def RETURN : ILFormat<(outs), (ins variable_ops),
1597 "RETURN", [(IL_retflag)]>;
1598}
1599
Tom Stellard9f7818d2013-01-23 02:09:06 +00001600
1601//===----------------------------------------------------------------------===//
1602// Constant Buffer Addressing Support
1603//===----------------------------------------------------------------------===//
1604
1605let isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU" in {
1606def CONST_COPY : Instruction {
1607 let OutOperandList = (outs R600_Reg32:$dst);
1608 let InOperandList = (ins i32imm:$src);
1609 let Pattern = [(set R600_Reg32:$dst, (CONST_ADDRESS ADDRGA_CONST_OFFSET:$src))];
1610 let AsmString = "CONST_COPY";
1611 let neverHasSideEffects = 1;
1612 let isAsCheapAsAMove = 1;
1613 let Itinerary = NullALU;
1614}
1615} // end isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU"
1616
1617def TEX_VTX_CONSTBUF :
1618 InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr), "VTX_READ_eg $dst, $ptr",
1619 [(set R600_Reg128:$dst, (CONST_ADDRESS ADDRGA_VAR_OFFSET:$ptr))]>,
1620 VTX_WORD1_GPR, VTX_WORD0 {
1621
1622 let VC_INST = 0;
1623 let FETCH_TYPE = 2;
1624 let FETCH_WHOLE_QUAD = 0;
1625 let BUFFER_ID = 0;
1626 let SRC_REL = 0;
1627 let SRC_SEL_X = 0;
1628 let DST_REL = 0;
1629 let USE_CONST_FIELDS = 0;
1630 let NUM_FORMAT_ALL = 2;
1631 let FORMAT_COMP_ALL = 1;
1632 let SRF_MODE_ALL = 1;
1633 let MEGA_FETCH_COUNT = 16;
1634 let DST_SEL_X = 0;
1635 let DST_SEL_Y = 1;
1636 let DST_SEL_Z = 2;
1637 let DST_SEL_W = 3;
1638 let DATA_FORMAT = 35;
1639
1640 let Inst{31-0} = Word0;
1641 let Inst{63-32} = Word1;
1642
1643// LLVM can only encode 64-bit instructions, so these fields are manually
1644// encoded in R600CodeEmitter
1645//
1646// bits<16> OFFSET;
1647// bits<2> ENDIAN_SWAP = 0;
1648// bits<1> CONST_BUF_NO_STRIDE = 0;
1649// bits<1> MEGA_FETCH = 0;
1650// bits<1> ALT_CONST = 0;
1651// bits<2> BUFFER_INDEX_MODE = 0;
1652
1653
1654
1655// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1656// is done in R600CodeEmitter
1657//
1658// Inst{79-64} = OFFSET;
1659// Inst{81-80} = ENDIAN_SWAP;
1660// Inst{82} = CONST_BUF_NO_STRIDE;
1661// Inst{83} = MEGA_FETCH;
1662// Inst{84} = ALT_CONST;
1663// Inst{86-85} = BUFFER_INDEX_MODE;
1664// Inst{95-86} = 0; Reserved
1665
1666// VTX_WORD3 (Padding)
1667//
1668// Inst{127-96} = 0;
1669}
1670
1671
Tom Stellard6b7d99d2012-12-19 22:10:31 +00001672//===--------------------------------------------------------------------===//
1673// Instructions support
1674//===--------------------------------------------------------------------===//
1675//===---------------------------------------------------------------------===//
1676// Custom Inserter for Branches and returns, this eventually will be a
1677// seperate pass
1678//===---------------------------------------------------------------------===//
1679let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1680 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1681 "; Pseudo unconditional branch instruction",
1682 [(br bb:$target)]>;
1683 defm BRANCH_COND : BranchConditional<IL_brcond>;
1684}
1685
1686//===---------------------------------------------------------------------===//
1687// Flow and Program control Instructions
1688//===---------------------------------------------------------------------===//
1689let isTerminator=1 in {
1690 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1691 !strconcat("SWITCH", " $src"), []>;
1692 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1693 !strconcat("CASE", " $src"), []>;
1694 def BREAK : ILFormat< (outs), (ins),
1695 "BREAK", []>;
1696 def CONTINUE : ILFormat< (outs), (ins),
1697 "CONTINUE", []>;
1698 def DEFAULT : ILFormat< (outs), (ins),
1699 "DEFAULT", []>;
1700 def ELSE : ILFormat< (outs), (ins),
1701 "ELSE", []>;
1702 def ENDSWITCH : ILFormat< (outs), (ins),
1703 "ENDSWITCH", []>;
1704 def ENDMAIN : ILFormat< (outs), (ins),
1705 "ENDMAIN", []>;
1706 def END : ILFormat< (outs), (ins),
1707 "END", []>;
1708 def ENDFUNC : ILFormat< (outs), (ins),
1709 "ENDFUNC", []>;
1710 def ENDIF : ILFormat< (outs), (ins),
1711 "ENDIF", []>;
1712 def WHILELOOP : ILFormat< (outs), (ins),
1713 "WHILE", []>;
1714 def ENDLOOP : ILFormat< (outs), (ins),
1715 "ENDLOOP", []>;
1716 def FUNC : ILFormat< (outs), (ins),
1717 "FUNC", []>;
1718 def RETDYN : ILFormat< (outs), (ins),
1719 "RET_DYN", []>;
1720 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1721 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
1722 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1723 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
1724 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1725 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
1726 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1727 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
1728 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1729 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
1730 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1731 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
1732 defm IFC : BranchInstr2<"IFC">;
1733 defm BREAKC : BranchInstr2<"BREAKC">;
1734 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
1735}
1736
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001737//===----------------------------------------------------------------------===//
1738// ISel Patterns
1739//===----------------------------------------------------------------------===//
1740
1741//CNDGE_INT extra pattern
1742def : Pat <
1743 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
1744 (i32 R600_Reg32:$src2), COND_GT),
1745 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
1746>;
1747
1748// KIL Patterns
1749def KILP : Pat <
1750 (int_AMDGPU_kilp),
1751 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
1752>;
1753
1754def KIL : Pat <
1755 (int_AMDGPU_kill R600_Reg32:$src0),
1756 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
1757>;
1758
1759// SGT Reverse args
1760def : Pat <
1761 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
1762 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
1763>;
1764
1765// SGE Reverse args
1766def : Pat <
1767 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
1768 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
1769>;
1770
1771// SETGT_INT reverse args
1772def : Pat <
1773 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
1774 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
1775>;
1776
1777// SETGE_INT reverse args
1778def : Pat <
1779 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
1780 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
1781>;
1782
1783// SETGT_UINT reverse args
1784def : Pat <
1785 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
1786 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1787>;
1788
1789// SETGE_UINT reverse args
1790def : Pat <
1791 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
1792 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1793>;
1794
1795// The next two patterns are special cases for handling 'true if ordered' and
1796// 'true if unordered' conditionals. The assumption here is that the behavior of
1797// SETE and SNE conforms to the Direct3D 10 rules for floating point values
1798// described here:
1799// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
1800// We assume that SETE returns false when one of the operands is NAN and
1801// SNE returns true when on of the operands is NAN
1802
1803//SETE - 'true if ordered'
1804def : Pat <
1805 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
1806 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
1807>;
1808
1809//SNE - 'true if unordered'
1810def : Pat <
1811 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
1812 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
1813>;
1814
1815def : Extract_Element <f32, v4f32, R600_Reg128, 0, sel_x>;
1816def : Extract_Element <f32, v4f32, R600_Reg128, 1, sel_y>;
1817def : Extract_Element <f32, v4f32, R600_Reg128, 2, sel_z>;
1818def : Extract_Element <f32, v4f32, R600_Reg128, 3, sel_w>;
1819
1820def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sel_x>;
1821def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sel_y>;
1822def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sel_z>;
1823def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sel_w>;
1824
1825def : Extract_Element <i32, v4i32, R600_Reg128, 0, sel_x>;
1826def : Extract_Element <i32, v4i32, R600_Reg128, 1, sel_y>;
1827def : Extract_Element <i32, v4i32, R600_Reg128, 2, sel_z>;
1828def : Extract_Element <i32, v4i32, R600_Reg128, 3, sel_w>;
1829
1830def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sel_x>;
1831def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sel_y>;
1832def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sel_z>;
1833def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sel_w>;
1834
1835def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
1836def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
1837
1838// bitconvert patterns
1839
1840def : BitConvert <i32, f32, R600_Reg32>;
1841def : BitConvert <f32, i32, R600_Reg32>;
1842def : BitConvert <v4f32, v4i32, R600_Reg128>;
1843def : BitConvert <v4i32, v4f32, R600_Reg128>;
1844
1845// DWORDADDR pattern
1846def : DwordAddrPat <i32, R600_Reg32>;
1847
1848} // End isR600toCayman Predicate