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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:$reg, sel_x),
589 0, 61, 7, 0, 7, 7, cf_inst, 0)
590 >;
591
592 def : Pat<(int_R600_store_pixel_dummy),
593 (ExportInst
594 (v4f32 (IMPLICIT_DEF)), 0, 0, 7, 7, 7, 7, cf_inst, 0)
595 >;
596
597 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 0),
598 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
599 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
600 0, 1, 2, 3, cf_inst, 0)
601 >;
Tom Stellard254a83e2013-01-23 21:39:49 +0000602 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 1),
603 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
604 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
605 0, 1, 2, 3, cf_inst, 0)
606 >;
607
608 def : Pat<(int_R600_store_swizzle (v4f32 R600_Reg128:$src), imm:$arraybase,
609 imm:$type),
610 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
611 0, 1, 2, 3, cf_inst, 0)
612 >;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000613}
614
615multiclass SteamOutputExportPattern<Instruction ExportInst,
616 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
617// Stream0
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000618 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
619 (i32 imm:$arraybase), (i32 0), (i32 imm:$mask)),
620 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000621 4095, imm:$mask, buf0inst, 0)>;
622// Stream1
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000623 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
624 (i32 imm:$arraybase), (i32 1), (i32 imm:$mask)),
625 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000626 4095, imm:$mask, buf1inst, 0)>;
627// Stream2
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000628 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
629 (i32 imm:$arraybase), (i32 2), (i32 imm:$mask)),
630 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000631 4095, imm:$mask, buf2inst, 0)>;
632// Stream3
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000633 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
634 (i32 imm:$arraybase), (i32 3), (i32 imm:$mask)),
635 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000636 4095, imm:$mask, buf3inst, 0)>;
637}
638
639let isTerminator = 1, usesCustomInserter = 1 in {
640
641class ExportSwzInst : InstR600ISA<(
642 outs),
643 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
644 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
645 i32imm:$eop),
646 !strconcat("EXPORT", " $gpr"),
647 []>, ExportWord0, ExportSwzWord1 {
648 let elem_size = 3;
649 let Inst{31-0} = Word0;
650 let Inst{63-32} = Word1;
651}
652
653} // End isTerminator = 1, usesCustomInserter = 1
654
655class ExportBufInst : InstR600ISA<(
656 outs),
657 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
658 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
659 !strconcat("EXPORT", " $gpr"),
660 []>, ExportWord0, ExportBufWord1 {
661 let elem_size = 0;
662 let Inst{31-0} = Word0;
663 let Inst{63-32} = Word1;
664}
665
666let Predicates = [isR600toCayman] in {
667
668//===----------------------------------------------------------------------===//
669// Common Instructions R600, R700, Evergreen, Cayman
670//===----------------------------------------------------------------------===//
671
672def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
673// Non-IEEE MUL: 0 * anything = 0
674def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
675def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
676def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
677def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
678
679// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
680// so some of the instruction names don't match the asm string.
681// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
682def SETE : R600_2OP <
683 0x08, "SETE",
684 [(set R600_Reg32:$dst,
685 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
686 COND_EQ))]
687>;
688
689def SGT : R600_2OP <
690 0x09, "SETGT",
691 [(set R600_Reg32:$dst,
692 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
693 COND_GT))]
694>;
695
696def SGE : R600_2OP <
697 0xA, "SETGE",
698 [(set R600_Reg32:$dst,
699 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
700 COND_GE))]
701>;
702
703def SNE : R600_2OP <
704 0xB, "SETNE",
705 [(set R600_Reg32:$dst,
706 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
707 COND_NE))]
708>;
709
710def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
711def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
712def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
713def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
714def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
715
716def MOV : R600_1OP <0x19, "MOV", []>;
717
718let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
719
720class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
721 (outs R600_Reg32:$dst),
722 (ins immType:$imm),
723 "",
724 []
725>;
726
727} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
728
729def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
730def : Pat <
731 (imm:$val),
732 (MOV_IMM_I32 imm:$val)
733>;
734
735def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
736def : Pat <
737 (fpimm:$val),
738 (MOV_IMM_F32 fpimm:$val)
739>;
740
741def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
742def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
743def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
744def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
745
746let hasSideEffects = 1 in {
747
748def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
749
750} // end hasSideEffects
751
752def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
753def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
754def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
755def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
756def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
757def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
758def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
759def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
Tom Stellardeef0d5a2012-12-21 20:12:01 +0000760def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000761def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
762
763def SETE_INT : R600_2OP <
764 0x3A, "SETE_INT",
765 [(set (i32 R600_Reg32:$dst),
766 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
767>;
768
769def SETGT_INT : R600_2OP <
770 0x3B, "SGT_INT",
771 [(set (i32 R600_Reg32:$dst),
772 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
773>;
774
775def SETGE_INT : R600_2OP <
776 0x3C, "SETGE_INT",
777 [(set (i32 R600_Reg32:$dst),
778 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
779>;
780
781def SETNE_INT : R600_2OP <
782 0x3D, "SETNE_INT",
783 [(set (i32 R600_Reg32:$dst),
784 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
785>;
786
787def SETGT_UINT : R600_2OP <
788 0x3E, "SETGT_UINT",
789 [(set (i32 R600_Reg32:$dst),
790 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
791>;
792
793def SETGE_UINT : R600_2OP <
794 0x3F, "SETGE_UINT",
795 [(set (i32 R600_Reg32:$dst),
796 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
797>;
798
799def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
800def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
801def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
802def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
803
804def CNDE_INT : R600_3OP <
805 0x1C, "CNDE_INT",
806 [(set (i32 R600_Reg32:$dst),
807 (selectcc (i32 R600_Reg32:$src0), 0,
808 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
809 COND_EQ))]
810>;
811
812def CNDGE_INT : R600_3OP <
813 0x1E, "CNDGE_INT",
814 [(set (i32 R600_Reg32:$dst),
815 (selectcc (i32 R600_Reg32:$src0), 0,
816 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
817 COND_GE))]
818>;
819
820def CNDGT_INT : R600_3OP <
821 0x1D, "CNDGT_INT",
822 [(set (i32 R600_Reg32:$dst),
823 (selectcc (i32 R600_Reg32:$src0), 0,
824 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
825 COND_GT))]
826>;
827
828//===----------------------------------------------------------------------===//
829// Texture instructions
830//===----------------------------------------------------------------------===//
831
832def TEX_LD : R600_TEX <
833 0x03, "TEX_LD",
834 [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
835> {
836let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget";
837let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget);
838}
839
840def TEX_GET_TEXTURE_RESINFO : R600_TEX <
841 0x04, "TEX_GET_TEXTURE_RESINFO",
842 [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
843>;
844
845def TEX_GET_GRADIENTS_H : R600_TEX <
846 0x07, "TEX_GET_GRADIENTS_H",
847 [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
848>;
849
850def TEX_GET_GRADIENTS_V : R600_TEX <
851 0x08, "TEX_GET_GRADIENTS_V",
852 [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
853>;
854
855def TEX_SET_GRADIENTS_H : R600_TEX <
856 0x0B, "TEX_SET_GRADIENTS_H",
857 []
858>;
859
860def TEX_SET_GRADIENTS_V : R600_TEX <
861 0x0C, "TEX_SET_GRADIENTS_V",
862 []
863>;
864
865def TEX_SAMPLE : R600_TEX <
866 0x10, "TEX_SAMPLE",
867 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
868>;
869
870def TEX_SAMPLE_C : R600_TEX <
871 0x18, "TEX_SAMPLE_C",
872 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
873>;
874
875def TEX_SAMPLE_L : R600_TEX <
876 0x11, "TEX_SAMPLE_L",
877 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
878>;
879
880def TEX_SAMPLE_C_L : R600_TEX <
881 0x19, "TEX_SAMPLE_C_L",
882 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
883>;
884
885def TEX_SAMPLE_LB : R600_TEX <
886 0x12, "TEX_SAMPLE_LB",
887 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
888>;
889
890def TEX_SAMPLE_C_LB : R600_TEX <
891 0x1A, "TEX_SAMPLE_C_LB",
892 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
893>;
894
895def TEX_SAMPLE_G : R600_TEX <
896 0x14, "TEX_SAMPLE_G",
897 []
898>;
899
900def TEX_SAMPLE_C_G : R600_TEX <
901 0x1C, "TEX_SAMPLE_C_G",
902 []
903>;
904
905//===----------------------------------------------------------------------===//
906// Helper classes for common instructions
907//===----------------------------------------------------------------------===//
908
909class MUL_LIT_Common <bits<5> inst> : R600_3OP <
910 inst, "MUL_LIT",
911 []
912>;
913
914class MULADD_Common <bits<5> inst> : R600_3OP <
915 inst, "MULADD",
916 [(set (f32 R600_Reg32:$dst),
917 (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
918>;
919
920class CNDE_Common <bits<5> inst> : R600_3OP <
921 inst, "CNDE",
922 [(set R600_Reg32:$dst,
923 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
924 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
925 COND_EQ))]
926>;
927
928class CNDGT_Common <bits<5> inst> : R600_3OP <
929 inst, "CNDGT",
930 [(set R600_Reg32:$dst,
931 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
932 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
933 COND_GT))]
934>;
935
936class CNDGE_Common <bits<5> inst> : R600_3OP <
937 inst, "CNDGE",
938 [(set R600_Reg32:$dst,
939 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
940 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
941 COND_GE))]
942>;
943
944multiclass DOT4_Common <bits<11> inst> {
945
946 def _pseudo : R600_REDUCTION <inst,
947 (ins R600_Reg128:$src0, R600_Reg128:$src1),
948 "DOT4 $dst $src0, $src1",
949 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
950 >;
951
952 def _real : R600_2OP <inst, "DOT4", []>;
953}
954
955let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
956multiclass CUBE_Common <bits<11> inst> {
957
958 def _pseudo : InstR600 <
959 inst,
960 (outs R600_Reg128:$dst),
961 (ins R600_Reg128:$src),
962 "CUBE $dst $src",
963 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
964 VecALU
965 > {
966 let isPseudo = 1;
967 }
968
969 def _real : R600_2OP <inst, "CUBE", []>;
970}
971} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
972
973class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
974 inst, "EXP_IEEE", fexp2
975>;
976
977class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
978 inst, "FLT_TO_INT", fp_to_sint
979>;
980
981class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
982 inst, "INT_TO_FLT", sint_to_fp
983>;
984
985class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
986 inst, "FLT_TO_UINT", fp_to_uint
987>;
988
989class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
990 inst, "UINT_TO_FLT", uint_to_fp
991>;
992
993class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
994 inst, "LOG_CLAMPED", []
995>;
996
997class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
998 inst, "LOG_IEEE", flog2
999>;
1000
1001class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
1002class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
1003class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
1004class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
1005 inst, "MULHI_INT", mulhs
1006>;
1007class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
1008 inst, "MULHI", mulhu
1009>;
1010class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
1011 inst, "MULLO_INT", mul
1012>;
1013class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
1014
1015class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
1016 inst, "RECIP_CLAMPED", []
1017>;
1018
1019class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
1020 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
1021>;
1022
1023class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1024 inst, "RECIP_UINT", AMDGPUurecip
1025>;
1026
1027class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1028 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1029>;
1030
1031class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1032 inst, "RECIPSQRT_IEEE", []
1033>;
1034
1035class SIN_Common <bits<11> inst> : R600_1OP <
1036 inst, "SIN", []>{
1037 let Trig = 1;
1038}
1039
1040class COS_Common <bits<11> inst> : R600_1OP <
1041 inst, "COS", []> {
1042 let Trig = 1;
1043}
1044
1045//===----------------------------------------------------------------------===//
1046// Helper patterns for complex intrinsics
1047//===----------------------------------------------------------------------===//
1048
1049multiclass DIV_Common <InstR600 recip_ieee> {
1050def : Pat<
1051 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
1052 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1053>;
1054
1055def : Pat<
1056 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
1057 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1058>;
1059}
1060
1061class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1062 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1063 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1064>;
1065
1066//===----------------------------------------------------------------------===//
1067// R600 / R700 Instructions
1068//===----------------------------------------------------------------------===//
1069
1070let Predicates = [isR600] in {
1071
1072 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1073 def MULADD_r600 : MULADD_Common<0x10>;
1074 def CNDE_r600 : CNDE_Common<0x18>;
1075 def CNDGT_r600 : CNDGT_Common<0x19>;
1076 def CNDGE_r600 : CNDGE_Common<0x1A>;
1077 defm DOT4_r600 : DOT4_Common<0x50>;
1078 defm CUBE_r600 : CUBE_Common<0x52>;
1079 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1080 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1081 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1082 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1083 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1084 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1085 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1086 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1087 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1088 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1089 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1090 def SIN_r600 : SIN_Common<0x6E>;
1091 def COS_r600 : COS_Common<0x6F>;
1092 def ASHR_r600 : ASHR_Common<0x70>;
1093 def LSHR_r600 : LSHR_Common<0x71>;
1094 def LSHL_r600 : LSHL_Common<0x72>;
1095 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1096 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1097 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1098 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1099 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1100
1101 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
1102 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1103
1104 def : Pat<(fsqrt R600_Reg32:$src),
1105 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1106
1107 def R600_ExportSwz : ExportSwzInst {
1108 let Word1{20-17} = 1; // BURST_COUNT
1109 let Word1{21} = eop;
1110 let Word1{22} = 1; // VALID_PIXEL_MODE
1111 let Word1{30-23} = inst;
1112 let Word1{31} = 1; // BARRIER
1113 }
1114 defm : ExportPattern<R600_ExportSwz, 39>;
1115
1116 def R600_ExportBuf : ExportBufInst {
1117 let Word1{20-17} = 1; // BURST_COUNT
1118 let Word1{21} = eop;
1119 let Word1{22} = 1; // VALID_PIXEL_MODE
1120 let Word1{30-23} = inst;
1121 let Word1{31} = 1; // BARRIER
1122 }
1123 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1124}
1125
1126// Helper pattern for normalizing inputs to triginomic instructions for R700+
1127// cards.
1128class COS_PAT <InstR600 trig> : Pat<
1129 (fcos R600_Reg32:$src),
1130 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1131>;
1132
1133class SIN_PAT <InstR600 trig> : Pat<
1134 (fsin R600_Reg32:$src),
1135 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1136>;
1137
1138//===----------------------------------------------------------------------===//
1139// R700 Only instructions
1140//===----------------------------------------------------------------------===//
1141
1142let Predicates = [isR700] in {
1143 def SIN_r700 : SIN_Common<0x6E>;
1144 def COS_r700 : COS_Common<0x6F>;
1145
1146 // R700 normalizes inputs to SIN/COS the same as EG
1147 def : SIN_PAT <SIN_r700>;
1148 def : COS_PAT <COS_r700>;
1149}
1150
1151//===----------------------------------------------------------------------===//
1152// Evergreen Only instructions
1153//===----------------------------------------------------------------------===//
1154
1155let Predicates = [isEG] in {
1156
1157def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1158defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1159
1160def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1161def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1162def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1163def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1164def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1165def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1166def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1167def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1168def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1169def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1170def SIN_eg : SIN_Common<0x8D>;
1171def COS_eg : COS_Common<0x8E>;
1172
1173def : SIN_PAT <SIN_eg>;
1174def : COS_PAT <COS_eg>;
1175def : Pat<(fsqrt R600_Reg32:$src),
1176 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1177} // End Predicates = [isEG]
1178
1179//===----------------------------------------------------------------------===//
1180// Evergreen / Cayman Instructions
1181//===----------------------------------------------------------------------===//
1182
1183let Predicates = [isEGorCayman] in {
1184
1185 // BFE_UINT - bit_extract, an optimization for mask and shift
1186 // Src0 = Input
1187 // Src1 = Offset
1188 // Src2 = Width
1189 //
1190 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1191 //
1192 // Example Usage:
1193 // (Offset, Width)
1194 //
1195 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1196 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1197 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1198 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1199 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1200 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1201 R600_Reg32:$src1,
1202 R600_Reg32:$src2))],
1203 VecALU
1204 >;
1205
1206 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1207 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1208 R600_Reg32:$src2))],
1209 VecALU
1210 >;
1211
1212 def MULADD_eg : MULADD_Common<0x14>;
1213 def ASHR_eg : ASHR_Common<0x15>;
1214 def LSHR_eg : LSHR_Common<0x16>;
1215 def LSHL_eg : LSHL_Common<0x17>;
1216 def CNDE_eg : CNDE_Common<0x19>;
1217 def CNDGT_eg : CNDGT_Common<0x1A>;
1218 def CNDGE_eg : CNDGE_Common<0x1B>;
1219 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1220 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1221 defm DOT4_eg : DOT4_Common<0xBE>;
1222 defm CUBE_eg : CUBE_Common<0xC0>;
1223
1224 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1225
1226 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1227 let Pattern = [];
1228 }
1229
1230 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1231
1232 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1233 let Pattern = [];
1234 }
1235
1236 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1237
1238 // TRUNC is used for the FLT_TO_INT instructions to work around a
1239 // perceived problem where the rounding modes are applied differently
1240 // depending on the instruction and the slot they are in.
1241 // See:
1242 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1243 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1244 //
1245 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1246 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1247 // We should look into handling these cases separately.
1248 def : Pat<(fp_to_sint R600_Reg32:$src0),
1249 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1250
1251 def : Pat<(fp_to_uint R600_Reg32:$src0),
1252 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1253
1254 def EG_ExportSwz : ExportSwzInst {
1255 let Word1{19-16} = 1; // BURST_COUNT
1256 let Word1{20} = 1; // VALID_PIXEL_MODE
1257 let Word1{21} = eop;
1258 let Word1{29-22} = inst;
1259 let Word1{30} = 0; // MARK
1260 let Word1{31} = 1; // BARRIER
1261 }
1262 defm : ExportPattern<EG_ExportSwz, 83>;
1263
1264 def EG_ExportBuf : ExportBufInst {
1265 let Word1{19-16} = 1; // BURST_COUNT
1266 let Word1{20} = 1; // VALID_PIXEL_MODE
1267 let Word1{21} = eop;
1268 let Word1{29-22} = inst;
1269 let Word1{30} = 0; // MARK
1270 let Word1{31} = 1; // BARRIER
1271 }
1272 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1273
1274//===----------------------------------------------------------------------===//
1275// Memory read/write instructions
1276//===----------------------------------------------------------------------===//
1277let usesCustomInserter = 1 in {
1278
1279class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1280 list<dag> pattern>
1281 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1282 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1283 let RIM = 0;
1284 // XXX: Have a separate instruction for non-indexed writes.
1285 let TYPE = 1;
1286 let RW_REL = 0;
1287 let ELEM_SIZE = 0;
1288
1289 let ARRAY_SIZE = 0;
1290 let COMP_MASK = comp_mask;
1291 let BURST_COUNT = 0;
1292 let VPM = 0;
1293 let MARK = 0;
1294 let BARRIER = 1;
1295}
1296
1297} // End usesCustomInserter = 1
1298
1299// 32-bit store
1300def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1301 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1302 0x1, "RAT_WRITE_CACHELESS_32_eg",
1303 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1304>;
1305
1306//128-bit store
1307def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1308 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1309 0xf, "RAT_WRITE_CACHELESS_128",
1310 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1311>;
1312
1313class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
Tom Stellard80537b92013-01-23 02:09:01 +00001314 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1315 VTX_WORD1_GPR, VTX_WORD0 {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001316
1317 // Static fields
Tom Stellard80537b92013-01-23 02:09:01 +00001318 let VC_INST = 0;
1319 let FETCH_TYPE = 2;
1320 let FETCH_WHOLE_QUAD = 0;
1321 let BUFFER_ID = buffer_id;
1322 let SRC_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001323 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1324 // to store vertex addresses in any channel, not just X.
Tom Stellard80537b92013-01-23 02:09:01 +00001325 let SRC_SEL_X = 0;
1326 let DST_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001327 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1328 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1329 // however, based on my testing if USE_CONST_FIELDS is set, then all
1330 // these fields need to be set to 0.
Tom Stellard80537b92013-01-23 02:09:01 +00001331 let USE_CONST_FIELDS = 0;
1332 let NUM_FORMAT_ALL = 1;
1333 let FORMAT_COMP_ALL = 0;
1334 let SRF_MODE_ALL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001335
Tom Stellard80537b92013-01-23 02:09:01 +00001336 let Inst{31-0} = Word0;
1337 let Inst{63-32} = Word1;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001338 // LLVM can only encode 64-bit instructions, so these fields are manually
1339 // encoded in R600CodeEmitter
1340 //
1341 // bits<16> OFFSET;
1342 // bits<2> ENDIAN_SWAP = 0;
1343 // bits<1> CONST_BUF_NO_STRIDE = 0;
1344 // bits<1> MEGA_FETCH = 0;
1345 // bits<1> ALT_CONST = 0;
1346 // bits<2> BUFFER_INDEX_MODE = 0;
1347
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001348
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001349
1350 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1351 // is done in R600CodeEmitter
1352 //
1353 // Inst{79-64} = OFFSET;
1354 // Inst{81-80} = ENDIAN_SWAP;
1355 // Inst{82} = CONST_BUF_NO_STRIDE;
1356 // Inst{83} = MEGA_FETCH;
1357 // Inst{84} = ALT_CONST;
1358 // Inst{86-85} = BUFFER_INDEX_MODE;
1359 // Inst{95-86} = 0; Reserved
1360
1361 // VTX_WORD3 (Padding)
1362 //
1363 // Inst{127-96} = 0;
1364}
1365
1366class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1367 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1368 pattern> {
1369
1370 let MEGA_FETCH_COUNT = 1;
1371 let DST_SEL_X = 0;
1372 let DST_SEL_Y = 7; // Masked
1373 let DST_SEL_Z = 7; // Masked
1374 let DST_SEL_W = 7; // Masked
1375 let DATA_FORMAT = 1; // FMT_8
1376}
1377
1378class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1379 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1380 pattern> {
1381 let MEGA_FETCH_COUNT = 2;
1382 let DST_SEL_X = 0;
1383 let DST_SEL_Y = 7; // Masked
1384 let DST_SEL_Z = 7; // Masked
1385 let DST_SEL_W = 7; // Masked
1386 let DATA_FORMAT = 5; // FMT_16
1387
1388}
1389
1390class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1391 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1392 pattern> {
1393
1394 let MEGA_FETCH_COUNT = 4;
1395 let DST_SEL_X = 0;
1396 let DST_SEL_Y = 7; // Masked
1397 let DST_SEL_Z = 7; // Masked
1398 let DST_SEL_W = 7; // Masked
1399 let DATA_FORMAT = 0xD; // COLOR_32
1400
1401 // This is not really necessary, but there were some GPU hangs that appeared
1402 // to be caused by ALU instructions in the next instruction group that wrote
1403 // to the $ptr registers of the VTX_READ.
1404 // e.g.
1405 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1406 // %T2_X<def> = MOV %ZERO
1407 //Adding this constraint prevents this from happening.
1408 let Constraints = "$ptr.ptr = $dst";
1409}
1410
1411class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1412 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1413 pattern> {
1414
1415 let MEGA_FETCH_COUNT = 16;
1416 let DST_SEL_X = 0;
1417 let DST_SEL_Y = 1;
1418 let DST_SEL_Z = 2;
1419 let DST_SEL_W = 3;
1420 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1421
1422 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1423 // that holds its buffer address to avoid potential hangs. We can't use
1424 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1425 // registers are different sizes.
1426}
1427
1428//===----------------------------------------------------------------------===//
1429// VTX Read from parameter memory space
1430//===----------------------------------------------------------------------===//
1431
1432def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1433 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1434>;
1435
1436def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1437 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1438>;
1439
1440def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1441 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1442>;
1443
1444//===----------------------------------------------------------------------===//
1445// VTX Read from global memory space
1446//===----------------------------------------------------------------------===//
1447
1448// 8-bit reads
1449def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1450 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1451>;
1452
1453// 32-bit reads
1454def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1455 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1456>;
1457
1458// 128-bit reads
1459def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1460 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1461>;
1462
1463//===----------------------------------------------------------------------===//
1464// Constant Loads
1465// XXX: We are currently storing all constants in the global address space.
1466//===----------------------------------------------------------------------===//
1467
1468def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1469 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1470>;
1471
1472}
1473
1474let Predicates = [isCayman] in {
1475
1476let isVector = 1 in {
1477
1478def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1479
1480def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1481def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1482def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1483def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1484def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1485def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
1486def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
1487def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1488def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1489def SIN_cm : SIN_Common<0x8D>;
1490def COS_cm : COS_Common<0x8E>;
1491} // End isVector = 1
1492
1493def : SIN_PAT <SIN_cm>;
1494def : COS_PAT <COS_cm>;
1495
1496defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1497
1498// RECIP_UINT emulation for Cayman
1499def : Pat <
1500 (AMDGPUurecip R600_Reg32:$src0),
1501 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1502 (MOV_IMM_I32 0x4f800000)))
1503>;
1504
1505
1506def : Pat<(fsqrt R600_Reg32:$src),
1507 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1508
1509} // End isCayman
1510
1511//===----------------------------------------------------------------------===//
1512// Branch Instructions
1513//===----------------------------------------------------------------------===//
1514
1515
1516def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1517 "IF_PREDICATE_SET $src", []>;
1518
1519def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1520 "PREDICATED_BREAK $src", []>;
1521
1522//===----------------------------------------------------------------------===//
1523// Pseudo instructions
1524//===----------------------------------------------------------------------===//
1525
1526let isPseudo = 1 in {
1527
1528def PRED_X : InstR600 <
1529 0, (outs R600_Predicate_Bit:$dst),
1530 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1531 "", [], NullALU> {
1532 let FlagOperandIdx = 3;
1533}
1534
1535let isTerminator = 1, isBranch = 1, isBarrier = 1 in {
1536
1537def JUMP : InstR600 <0x10,
1538 (outs),
1539 (ins brtarget:$target, R600_Pred:$p),
1540 "JUMP $target ($p)",
1541 [], AnyALU
1542 >;
1543
1544} // End isTerminator = 1, isBranch = 1, isBarrier = 1
1545
1546let usesCustomInserter = 1 in {
1547
1548let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1549
1550def MASK_WRITE : AMDGPUShaderInst <
1551 (outs),
1552 (ins R600_Reg32:$src),
1553 "MASK_WRITE $src",
1554 []
1555>;
1556
1557} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1558
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001559
1560def RESERVE_REG : AMDGPUShaderInst <
1561 (outs),
1562 (ins i32imm:$src),
1563 "RESERVE_REG $src",
1564 [(int_AMDGPU_reserve_reg imm:$src)]
1565>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001566def TXD: AMDGPUShaderInst <
1567 (outs R600_Reg128:$dst),
1568 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1569 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1570 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1571>;
1572
1573def TXD_SHADOW: AMDGPUShaderInst <
1574 (outs R600_Reg128:$dst),
1575 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1576 "TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1577 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
1578>;
1579
1580} // End isPseudo = 1
1581} // End usesCustomInserter = 1
1582
1583def CLAMP_R600 : CLAMP <R600_Reg32>;
1584def FABS_R600 : FABS<R600_Reg32>;
1585def FNEG_R600 : FNEG<R600_Reg32>;
1586
1587//===---------------------------------------------------------------------===//
1588// Return instruction
1589//===---------------------------------------------------------------------===//
1590let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1 in {
1591 def RETURN : ILFormat<(outs), (ins variable_ops),
1592 "RETURN", [(IL_retflag)]>;
1593}
1594
Tom Stellard9f7818d2013-01-23 02:09:06 +00001595
1596//===----------------------------------------------------------------------===//
1597// Constant Buffer Addressing Support
1598//===----------------------------------------------------------------------===//
1599
1600let isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU" in {
1601def CONST_COPY : Instruction {
1602 let OutOperandList = (outs R600_Reg32:$dst);
1603 let InOperandList = (ins i32imm:$src);
1604 let Pattern = [(set R600_Reg32:$dst, (CONST_ADDRESS ADDRGA_CONST_OFFSET:$src))];
1605 let AsmString = "CONST_COPY";
1606 let neverHasSideEffects = 1;
1607 let isAsCheapAsAMove = 1;
1608 let Itinerary = NullALU;
1609}
1610} // end isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU"
1611
1612def TEX_VTX_CONSTBUF :
1613 InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr), "VTX_READ_eg $dst, $ptr",
1614 [(set R600_Reg128:$dst, (CONST_ADDRESS ADDRGA_VAR_OFFSET:$ptr))]>,
1615 VTX_WORD1_GPR, VTX_WORD0 {
1616
1617 let VC_INST = 0;
1618 let FETCH_TYPE = 2;
1619 let FETCH_WHOLE_QUAD = 0;
1620 let BUFFER_ID = 0;
1621 let SRC_REL = 0;
1622 let SRC_SEL_X = 0;
1623 let DST_REL = 0;
1624 let USE_CONST_FIELDS = 0;
1625 let NUM_FORMAT_ALL = 2;
1626 let FORMAT_COMP_ALL = 1;
1627 let SRF_MODE_ALL = 1;
1628 let MEGA_FETCH_COUNT = 16;
1629 let DST_SEL_X = 0;
1630 let DST_SEL_Y = 1;
1631 let DST_SEL_Z = 2;
1632 let DST_SEL_W = 3;
1633 let DATA_FORMAT = 35;
1634
1635 let Inst{31-0} = Word0;
1636 let Inst{63-32} = Word1;
1637
1638// LLVM can only encode 64-bit instructions, so these fields are manually
1639// encoded in R600CodeEmitter
1640//
1641// bits<16> OFFSET;
1642// bits<2> ENDIAN_SWAP = 0;
1643// bits<1> CONST_BUF_NO_STRIDE = 0;
1644// bits<1> MEGA_FETCH = 0;
1645// bits<1> ALT_CONST = 0;
1646// bits<2> BUFFER_INDEX_MODE = 0;
1647
1648
1649
1650// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1651// is done in R600CodeEmitter
1652//
1653// Inst{79-64} = OFFSET;
1654// Inst{81-80} = ENDIAN_SWAP;
1655// Inst{82} = CONST_BUF_NO_STRIDE;
1656// Inst{83} = MEGA_FETCH;
1657// Inst{84} = ALT_CONST;
1658// Inst{86-85} = BUFFER_INDEX_MODE;
1659// Inst{95-86} = 0; Reserved
1660
1661// VTX_WORD3 (Padding)
1662//
1663// Inst{127-96} = 0;
1664}
1665
1666
Tom Stellard6b7d99d2012-12-19 22:10:31 +00001667//===--------------------------------------------------------------------===//
1668// Instructions support
1669//===--------------------------------------------------------------------===//
1670//===---------------------------------------------------------------------===//
1671// Custom Inserter for Branches and returns, this eventually will be a
1672// seperate pass
1673//===---------------------------------------------------------------------===//
1674let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1675 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1676 "; Pseudo unconditional branch instruction",
1677 [(br bb:$target)]>;
1678 defm BRANCH_COND : BranchConditional<IL_brcond>;
1679}
1680
1681//===---------------------------------------------------------------------===//
1682// Flow and Program control Instructions
1683//===---------------------------------------------------------------------===//
1684let isTerminator=1 in {
1685 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1686 !strconcat("SWITCH", " $src"), []>;
1687 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1688 !strconcat("CASE", " $src"), []>;
1689 def BREAK : ILFormat< (outs), (ins),
1690 "BREAK", []>;
1691 def CONTINUE : ILFormat< (outs), (ins),
1692 "CONTINUE", []>;
1693 def DEFAULT : ILFormat< (outs), (ins),
1694 "DEFAULT", []>;
1695 def ELSE : ILFormat< (outs), (ins),
1696 "ELSE", []>;
1697 def ENDSWITCH : ILFormat< (outs), (ins),
1698 "ENDSWITCH", []>;
1699 def ENDMAIN : ILFormat< (outs), (ins),
1700 "ENDMAIN", []>;
1701 def END : ILFormat< (outs), (ins),
1702 "END", []>;
1703 def ENDFUNC : ILFormat< (outs), (ins),
1704 "ENDFUNC", []>;
1705 def ENDIF : ILFormat< (outs), (ins),
1706 "ENDIF", []>;
1707 def WHILELOOP : ILFormat< (outs), (ins),
1708 "WHILE", []>;
1709 def ENDLOOP : ILFormat< (outs), (ins),
1710 "ENDLOOP", []>;
1711 def FUNC : ILFormat< (outs), (ins),
1712 "FUNC", []>;
1713 def RETDYN : ILFormat< (outs), (ins),
1714 "RET_DYN", []>;
1715 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1716 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
1717 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1718 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
1719 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1720 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
1721 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1722 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
1723 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1724 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
1725 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1726 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
1727 defm IFC : BranchInstr2<"IFC">;
1728 defm BREAKC : BranchInstr2<"BREAKC">;
1729 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
1730}
1731
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001732//===----------------------------------------------------------------------===//
1733// ISel Patterns
1734//===----------------------------------------------------------------------===//
1735
1736//CNDGE_INT extra pattern
1737def : Pat <
1738 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
1739 (i32 R600_Reg32:$src2), COND_GT),
1740 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
1741>;
1742
1743// KIL Patterns
1744def KILP : Pat <
1745 (int_AMDGPU_kilp),
1746 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
1747>;
1748
1749def KIL : Pat <
1750 (int_AMDGPU_kill R600_Reg32:$src0),
1751 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
1752>;
1753
1754// SGT Reverse args
1755def : Pat <
1756 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
1757 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
1758>;
1759
1760// SGE Reverse args
1761def : Pat <
1762 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
1763 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
1764>;
1765
1766// SETGT_INT reverse args
1767def : Pat <
1768 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
1769 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
1770>;
1771
1772// SETGE_INT reverse args
1773def : Pat <
1774 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
1775 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
1776>;
1777
1778// SETGT_UINT reverse args
1779def : Pat <
1780 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
1781 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1782>;
1783
1784// SETGE_UINT reverse args
1785def : Pat <
1786 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
1787 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1788>;
1789
1790// The next two patterns are special cases for handling 'true if ordered' and
1791// 'true if unordered' conditionals. The assumption here is that the behavior of
1792// SETE and SNE conforms to the Direct3D 10 rules for floating point values
1793// described here:
1794// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
1795// We assume that SETE returns false when one of the operands is NAN and
1796// SNE returns true when on of the operands is NAN
1797
1798//SETE - 'true if ordered'
1799def : Pat <
1800 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
1801 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
1802>;
1803
1804//SNE - 'true if unordered'
1805def : Pat <
1806 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
1807 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
1808>;
1809
1810def : Extract_Element <f32, v4f32, R600_Reg128, 0, sel_x>;
1811def : Extract_Element <f32, v4f32, R600_Reg128, 1, sel_y>;
1812def : Extract_Element <f32, v4f32, R600_Reg128, 2, sel_z>;
1813def : Extract_Element <f32, v4f32, R600_Reg128, 3, sel_w>;
1814
1815def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sel_x>;
1816def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sel_y>;
1817def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sel_z>;
1818def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sel_w>;
1819
1820def : Extract_Element <i32, v4i32, R600_Reg128, 0, sel_x>;
1821def : Extract_Element <i32, v4i32, R600_Reg128, 1, sel_y>;
1822def : Extract_Element <i32, v4i32, R600_Reg128, 2, sel_z>;
1823def : Extract_Element <i32, v4i32, R600_Reg128, 3, sel_w>;
1824
1825def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sel_x>;
1826def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sel_y>;
1827def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sel_z>;
1828def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sel_w>;
1829
1830def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
1831def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
1832
1833// bitconvert patterns
1834
1835def : BitConvert <i32, f32, R600_Reg32>;
1836def : BitConvert <f32, i32, R600_Reg32>;
1837def : BitConvert <v4f32, v4i32, R600_Reg128>;
1838def : BitConvert <v4i32, v4f32, R600_Reg128>;
1839
1840// DWORDADDR pattern
1841def : DwordAddrPat <i32, R600_Reg32>;
1842
1843} // End isR600toCayman Predicate