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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:$ptr),
451 [{ return isParamLoad(dyn_cast<LoadSDNode>(N)); }]
452>;
453
454def load_param : LoadParamFrag<load>;
455def load_param_zexti8 : LoadParamFrag<zextloadi8>;
456def load_param_zexti16 : LoadParamFrag<zextloadi16>;
457
458def isR600 : Predicate<"Subtarget.device()"
459 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
460def isR700 : Predicate<"Subtarget.device()"
461 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
462 "Subtarget.device()->getDeviceFlag()"
463 ">= OCL_DEVICE_RV710">;
464def isEG : Predicate<
465 "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
466 "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
467 "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;
468
469def isCayman : Predicate<"Subtarget.device()"
470 "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
471def isEGorCayman : Predicate<"Subtarget.device()"
472 "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
473 "|| Subtarget.device()->getGeneration() =="
474 "AMDGPUDeviceInfo::HD6XXX">;
475
476def isR600toCayman : Predicate<
477 "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;
478
479//===----------------------------------------------------------------------===//
Tom Stellardc7e18882013-01-23 02:09:03 +0000480// R600 SDNodes
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000481//===----------------------------------------------------------------------===//
482
Tom Stellard29b15a32013-02-05 17:09:14 +0000483def INTERP_PAIR_XY : AMDGPUShaderInst <
484 (outs R600_TReg32_X:$dst0, R600_TReg32_Y:$dst1),
485 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
486 "INTERP_PAIR_XY $src0 $src1 $src2 : $dst0 dst1",
487 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000488
Tom Stellard29b15a32013-02-05 17:09:14 +0000489def INTERP_PAIR_ZW : AMDGPUShaderInst <
490 (outs R600_TReg32_Z:$dst0, R600_TReg32_W:$dst1),
491 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
492 "INTERP_PAIR_ZW $src0 $src1 $src2 : $dst0 dst1",
493 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000494
Tom Stellardc7e18882013-01-23 02:09:03 +0000495def CONST_ADDRESS: SDNode<"AMDGPUISD::CONST_ADDRESS",
Tom Stellard9f7818d2013-01-23 02:09:06 +0000496 SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>,
Tom Stellardc7e18882013-01-23 02:09:03 +0000497 [SDNPMayLoad]
498>;
499
500//===----------------------------------------------------------------------===//
501// Interpolation Instructions
502//===----------------------------------------------------------------------===//
503
Tom Stellard29b15a32013-02-05 17:09:14 +0000504def INTERP_VEC_LOAD : AMDGPUShaderInst <
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000505 (outs R600_Reg128:$dst),
Tom Stellard29b15a32013-02-05 17:09:14 +0000506 (ins i32imm:$src0),
507 "INTERP_LOAD $src0 : $dst",
508 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000509
510def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
511 let bank_swizzle = 5;
512}
513
514def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
515 let bank_swizzle = 5;
516}
517
518def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
519
520//===----------------------------------------------------------------------===//
521// Export Instructions
522//===----------------------------------------------------------------------===//
523
524def ExportType : SDTypeProfile<0, 5, [SDTCisFP<0>, SDTCisInt<1>]>;
525
526def EXPORT: SDNode<"AMDGPUISD::EXPORT", ExportType,
527 [SDNPHasChain, SDNPSideEffect]>;
528
529class ExportWord0 {
530 field bits<32> Word0;
531
532 bits<13> arraybase;
533 bits<2> type;
534 bits<7> gpr;
535 bits<2> elem_size;
536
537 let Word0{12-0} = arraybase;
538 let Word0{14-13} = type;
539 let Word0{21-15} = gpr;
540 let Word0{22} = 0; // RW_REL
541 let Word0{29-23} = 0; // INDEX_GPR
542 let Word0{31-30} = elem_size;
543}
544
545class ExportSwzWord1 {
546 field bits<32> Word1;
547
548 bits<3> sw_x;
549 bits<3> sw_y;
550 bits<3> sw_z;
551 bits<3> sw_w;
552 bits<1> eop;
553 bits<8> inst;
554
555 let Word1{2-0} = sw_x;
556 let Word1{5-3} = sw_y;
557 let Word1{8-6} = sw_z;
558 let Word1{11-9} = sw_w;
559}
560
561class ExportBufWord1 {
562 field bits<32> Word1;
563
564 bits<12> arraySize;
565 bits<4> compMask;
566 bits<1> eop;
567 bits<8> inst;
568
569 let Word1{11-0} = arraySize;
570 let Word1{15-12} = compMask;
571}
572
573multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
574 def : Pat<(int_R600_store_pixel_depth R600_Reg32:$reg),
575 (ExportInst
576 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
577 0, 61, 0, 7, 7, 7, cf_inst, 0)
578 >;
579
580 def : Pat<(int_R600_store_pixel_stencil R600_Reg32:$reg),
581 (ExportInst
582 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
583 0, 61, 7, 0, 7, 7, cf_inst, 0)
584 >;
585
Tom Stellard44ddc362013-01-31 22:11:46 +0000586 def : Pat<(int_R600_store_dummy (i32 imm:$type)),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000587 (ExportInst
Tom Stellard44ddc362013-01-31 22:11:46 +0000588 (v4f32 (IMPLICIT_DEF)), imm:$type, 0, 7, 7, 7, 7, cf_inst, 0)
589 >;
590
591 def : Pat<(int_R600_store_dummy 1),
592 (ExportInst
593 (v4f32 (IMPLICIT_DEF)), 1, 60, 7, 7, 7, 7, cf_inst, 0)
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000594 >;
595
596 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 0),
597 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
598 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
599 0, 1, 2, 3, cf_inst, 0)
600 >;
Tom Stellard254a83e2013-01-23 21:39:49 +0000601 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 1),
602 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
603 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
604 0, 1, 2, 3, cf_inst, 0)
605 >;
606
607 def : Pat<(int_R600_store_swizzle (v4f32 R600_Reg128:$src), imm:$arraybase,
608 imm:$type),
609 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
610 0, 1, 2, 3, cf_inst, 0)
611 >;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000612}
613
614multiclass SteamOutputExportPattern<Instruction ExportInst,
615 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
616// Stream0
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000617 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
618 (i32 imm:$arraybase), (i32 0), (i32 imm:$mask)),
619 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000620 4095, imm:$mask, buf0inst, 0)>;
621// Stream1
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000622 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
623 (i32 imm:$arraybase), (i32 1), (i32 imm:$mask)),
624 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000625 4095, imm:$mask, buf1inst, 0)>;
626// Stream2
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000627 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
628 (i32 imm:$arraybase), (i32 2), (i32 imm:$mask)),
629 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000630 4095, imm:$mask, buf2inst, 0)>;
631// Stream3
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000632 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
633 (i32 imm:$arraybase), (i32 3), (i32 imm:$mask)),
634 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000635 4095, imm:$mask, buf3inst, 0)>;
636}
637
638let isTerminator = 1, usesCustomInserter = 1 in {
639
640class ExportSwzInst : InstR600ISA<(
641 outs),
642 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
643 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
644 i32imm:$eop),
645 !strconcat("EXPORT", " $gpr"),
646 []>, ExportWord0, ExportSwzWord1 {
647 let elem_size = 3;
648 let Inst{31-0} = Word0;
649 let Inst{63-32} = Word1;
650}
651
652} // End isTerminator = 1, usesCustomInserter = 1
653
654class ExportBufInst : InstR600ISA<(
655 outs),
656 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
657 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
658 !strconcat("EXPORT", " $gpr"),
659 []>, ExportWord0, ExportBufWord1 {
660 let elem_size = 0;
661 let Inst{31-0} = Word0;
662 let Inst{63-32} = Word1;
663}
664
665let Predicates = [isR600toCayman] in {
666
667//===----------------------------------------------------------------------===//
668// Common Instructions R600, R700, Evergreen, Cayman
669//===----------------------------------------------------------------------===//
670
671def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
672// Non-IEEE MUL: 0 * anything = 0
673def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
674def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
675def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
676def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
677
678// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
679// so some of the instruction names don't match the asm string.
680// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
681def SETE : R600_2OP <
682 0x08, "SETE",
683 [(set R600_Reg32:$dst,
684 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
685 COND_EQ))]
686>;
687
688def SGT : R600_2OP <
689 0x09, "SETGT",
690 [(set R600_Reg32:$dst,
691 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
692 COND_GT))]
693>;
694
695def SGE : R600_2OP <
696 0xA, "SETGE",
697 [(set R600_Reg32:$dst,
698 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
699 COND_GE))]
700>;
701
702def SNE : R600_2OP <
703 0xB, "SETNE",
704 [(set R600_Reg32:$dst,
705 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
706 COND_NE))]
707>;
708
709def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
710def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
711def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
712def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
713def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
714
715def MOV : R600_1OP <0x19, "MOV", []>;
716
717let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
718
719class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
720 (outs R600_Reg32:$dst),
721 (ins immType:$imm),
722 "",
723 []
724>;
725
726} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
727
728def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
729def : Pat <
730 (imm:$val),
731 (MOV_IMM_I32 imm:$val)
732>;
733
734def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
735def : Pat <
736 (fpimm:$val),
737 (MOV_IMM_F32 fpimm:$val)
738>;
739
740def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
741def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
742def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
743def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
744
745let hasSideEffects = 1 in {
746
747def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
748
749} // end hasSideEffects
750
751def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
752def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
753def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
754def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
755def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
756def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
757def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
758def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
Tom Stellardeef0d5a2012-12-21 20:12:01 +0000759def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000760def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
761
762def SETE_INT : R600_2OP <
763 0x3A, "SETE_INT",
764 [(set (i32 R600_Reg32:$dst),
765 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
766>;
767
768def SETGT_INT : R600_2OP <
769 0x3B, "SGT_INT",
770 [(set (i32 R600_Reg32:$dst),
771 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
772>;
773
774def SETGE_INT : R600_2OP <
775 0x3C, "SETGE_INT",
776 [(set (i32 R600_Reg32:$dst),
777 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
778>;
779
780def SETNE_INT : R600_2OP <
781 0x3D, "SETNE_INT",
782 [(set (i32 R600_Reg32:$dst),
783 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
784>;
785
786def SETGT_UINT : R600_2OP <
787 0x3E, "SETGT_UINT",
788 [(set (i32 R600_Reg32:$dst),
789 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
790>;
791
792def SETGE_UINT : R600_2OP <
793 0x3F, "SETGE_UINT",
794 [(set (i32 R600_Reg32:$dst),
795 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
796>;
797
798def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
799def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
800def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
801def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
802
803def CNDE_INT : R600_3OP <
804 0x1C, "CNDE_INT",
805 [(set (i32 R600_Reg32:$dst),
806 (selectcc (i32 R600_Reg32:$src0), 0,
807 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
808 COND_EQ))]
809>;
810
811def CNDGE_INT : R600_3OP <
812 0x1E, "CNDGE_INT",
813 [(set (i32 R600_Reg32:$dst),
814 (selectcc (i32 R600_Reg32:$src0), 0,
815 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
816 COND_GE))]
817>;
818
819def CNDGT_INT : R600_3OP <
820 0x1D, "CNDGT_INT",
821 [(set (i32 R600_Reg32:$dst),
822 (selectcc (i32 R600_Reg32:$src0), 0,
823 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
824 COND_GT))]
825>;
826
827//===----------------------------------------------------------------------===//
828// Texture instructions
829//===----------------------------------------------------------------------===//
830
831def TEX_LD : R600_TEX <
832 0x03, "TEX_LD",
833 [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
834> {
835let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget";
836let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget);
837}
838
839def TEX_GET_TEXTURE_RESINFO : R600_TEX <
840 0x04, "TEX_GET_TEXTURE_RESINFO",
841 [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
842>;
843
844def TEX_GET_GRADIENTS_H : R600_TEX <
845 0x07, "TEX_GET_GRADIENTS_H",
846 [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
847>;
848
849def TEX_GET_GRADIENTS_V : R600_TEX <
850 0x08, "TEX_GET_GRADIENTS_V",
851 [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
852>;
853
854def TEX_SET_GRADIENTS_H : R600_TEX <
855 0x0B, "TEX_SET_GRADIENTS_H",
856 []
857>;
858
859def TEX_SET_GRADIENTS_V : R600_TEX <
860 0x0C, "TEX_SET_GRADIENTS_V",
861 []
862>;
863
864def TEX_SAMPLE : R600_TEX <
865 0x10, "TEX_SAMPLE",
866 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
867>;
868
869def TEX_SAMPLE_C : R600_TEX <
870 0x18, "TEX_SAMPLE_C",
871 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
872>;
873
874def TEX_SAMPLE_L : R600_TEX <
875 0x11, "TEX_SAMPLE_L",
876 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
877>;
878
879def TEX_SAMPLE_C_L : R600_TEX <
880 0x19, "TEX_SAMPLE_C_L",
881 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
882>;
883
884def TEX_SAMPLE_LB : R600_TEX <
885 0x12, "TEX_SAMPLE_LB",
886 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
887>;
888
889def TEX_SAMPLE_C_LB : R600_TEX <
890 0x1A, "TEX_SAMPLE_C_LB",
891 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
892>;
893
894def TEX_SAMPLE_G : R600_TEX <
895 0x14, "TEX_SAMPLE_G",
896 []
897>;
898
899def TEX_SAMPLE_C_G : R600_TEX <
900 0x1C, "TEX_SAMPLE_C_G",
901 []
902>;
903
904//===----------------------------------------------------------------------===//
905// Helper classes for common instructions
906//===----------------------------------------------------------------------===//
907
908class MUL_LIT_Common <bits<5> inst> : R600_3OP <
909 inst, "MUL_LIT",
910 []
911>;
912
913class MULADD_Common <bits<5> inst> : R600_3OP <
914 inst, "MULADD",
915 [(set (f32 R600_Reg32:$dst),
916 (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
917>;
918
919class CNDE_Common <bits<5> inst> : R600_3OP <
920 inst, "CNDE",
921 [(set R600_Reg32:$dst,
922 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
923 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
924 COND_EQ))]
925>;
926
927class CNDGT_Common <bits<5> inst> : R600_3OP <
928 inst, "CNDGT",
929 [(set R600_Reg32:$dst,
930 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
931 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
932 COND_GT))]
933>;
934
935class CNDGE_Common <bits<5> inst> : R600_3OP <
936 inst, "CNDGE",
937 [(set R600_Reg32:$dst,
938 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
939 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
940 COND_GE))]
941>;
942
943multiclass DOT4_Common <bits<11> inst> {
944
945 def _pseudo : R600_REDUCTION <inst,
946 (ins R600_Reg128:$src0, R600_Reg128:$src1),
947 "DOT4 $dst $src0, $src1",
948 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
949 >;
950
951 def _real : R600_2OP <inst, "DOT4", []>;
952}
953
954let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
955multiclass CUBE_Common <bits<11> inst> {
956
957 def _pseudo : InstR600 <
958 inst,
959 (outs R600_Reg128:$dst),
960 (ins R600_Reg128:$src),
961 "CUBE $dst $src",
962 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
963 VecALU
964 > {
965 let isPseudo = 1;
966 }
967
968 def _real : R600_2OP <inst, "CUBE", []>;
969}
970} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
971
972class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
973 inst, "EXP_IEEE", fexp2
974>;
975
976class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
977 inst, "FLT_TO_INT", fp_to_sint
978>;
979
980class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
981 inst, "INT_TO_FLT", sint_to_fp
982>;
983
984class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
985 inst, "FLT_TO_UINT", fp_to_uint
986>;
987
988class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
989 inst, "UINT_TO_FLT", uint_to_fp
990>;
991
992class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
993 inst, "LOG_CLAMPED", []
994>;
995
996class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
997 inst, "LOG_IEEE", flog2
998>;
999
1000class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
1001class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
1002class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
1003class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
1004 inst, "MULHI_INT", mulhs
1005>;
1006class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
1007 inst, "MULHI", mulhu
1008>;
1009class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
1010 inst, "MULLO_INT", mul
1011>;
1012class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
1013
1014class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
1015 inst, "RECIP_CLAMPED", []
1016>;
1017
1018class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
1019 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
1020>;
1021
1022class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1023 inst, "RECIP_UINT", AMDGPUurecip
1024>;
1025
1026class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1027 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1028>;
1029
1030class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1031 inst, "RECIPSQRT_IEEE", []
1032>;
1033
1034class SIN_Common <bits<11> inst> : R600_1OP <
1035 inst, "SIN", []>{
1036 let Trig = 1;
1037}
1038
1039class COS_Common <bits<11> inst> : R600_1OP <
1040 inst, "COS", []> {
1041 let Trig = 1;
1042}
1043
1044//===----------------------------------------------------------------------===//
1045// Helper patterns for complex intrinsics
1046//===----------------------------------------------------------------------===//
1047
1048multiclass DIV_Common <InstR600 recip_ieee> {
1049def : Pat<
1050 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
1051 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1052>;
1053
1054def : Pat<
1055 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
1056 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1057>;
1058}
1059
1060class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1061 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1062 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1063>;
1064
1065//===----------------------------------------------------------------------===//
1066// R600 / R700 Instructions
1067//===----------------------------------------------------------------------===//
1068
1069let Predicates = [isR600] in {
1070
1071 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1072 def MULADD_r600 : MULADD_Common<0x10>;
1073 def CNDE_r600 : CNDE_Common<0x18>;
1074 def CNDGT_r600 : CNDGT_Common<0x19>;
1075 def CNDGE_r600 : CNDGE_Common<0x1A>;
1076 defm DOT4_r600 : DOT4_Common<0x50>;
1077 defm CUBE_r600 : CUBE_Common<0x52>;
1078 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1079 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1080 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1081 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1082 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1083 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1084 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1085 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1086 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1087 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1088 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1089 def SIN_r600 : SIN_Common<0x6E>;
1090 def COS_r600 : COS_Common<0x6F>;
1091 def ASHR_r600 : ASHR_Common<0x70>;
1092 def LSHR_r600 : LSHR_Common<0x71>;
1093 def LSHL_r600 : LSHL_Common<0x72>;
1094 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1095 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1096 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1097 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1098 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1099
1100 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
1101 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1102
1103 def : Pat<(fsqrt R600_Reg32:$src),
1104 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1105
1106 def R600_ExportSwz : ExportSwzInst {
1107 let Word1{20-17} = 1; // BURST_COUNT
1108 let Word1{21} = eop;
1109 let Word1{22} = 1; // VALID_PIXEL_MODE
1110 let Word1{30-23} = inst;
1111 let Word1{31} = 1; // BARRIER
1112 }
1113 defm : ExportPattern<R600_ExportSwz, 39>;
1114
1115 def R600_ExportBuf : ExportBufInst {
1116 let Word1{20-17} = 1; // BURST_COUNT
1117 let Word1{21} = eop;
1118 let Word1{22} = 1; // VALID_PIXEL_MODE
1119 let Word1{30-23} = inst;
1120 let Word1{31} = 1; // BARRIER
1121 }
1122 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1123}
1124
1125// Helper pattern for normalizing inputs to triginomic instructions for R700+
1126// cards.
1127class COS_PAT <InstR600 trig> : Pat<
1128 (fcos R600_Reg32:$src),
1129 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1130>;
1131
1132class SIN_PAT <InstR600 trig> : Pat<
1133 (fsin R600_Reg32:$src),
1134 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1135>;
1136
1137//===----------------------------------------------------------------------===//
1138// R700 Only instructions
1139//===----------------------------------------------------------------------===//
1140
1141let Predicates = [isR700] in {
1142 def SIN_r700 : SIN_Common<0x6E>;
1143 def COS_r700 : COS_Common<0x6F>;
1144
1145 // R700 normalizes inputs to SIN/COS the same as EG
1146 def : SIN_PAT <SIN_r700>;
1147 def : COS_PAT <COS_r700>;
1148}
1149
1150//===----------------------------------------------------------------------===//
1151// Evergreen Only instructions
1152//===----------------------------------------------------------------------===//
1153
1154let Predicates = [isEG] in {
1155
1156def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1157defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1158
1159def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1160def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1161def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1162def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1163def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1164def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1165def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1166def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1167def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1168def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1169def SIN_eg : SIN_Common<0x8D>;
1170def COS_eg : COS_Common<0x8E>;
1171
1172def : SIN_PAT <SIN_eg>;
1173def : COS_PAT <COS_eg>;
1174def : Pat<(fsqrt R600_Reg32:$src),
1175 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1176} // End Predicates = [isEG]
1177
1178//===----------------------------------------------------------------------===//
1179// Evergreen / Cayman Instructions
1180//===----------------------------------------------------------------------===//
1181
1182let Predicates = [isEGorCayman] in {
1183
1184 // BFE_UINT - bit_extract, an optimization for mask and shift
1185 // Src0 = Input
1186 // Src1 = Offset
1187 // Src2 = Width
1188 //
1189 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1190 //
1191 // Example Usage:
1192 // (Offset, Width)
1193 //
1194 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1195 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1196 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1197 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1198 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1199 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1200 R600_Reg32:$src1,
1201 R600_Reg32:$src2))],
1202 VecALU
1203 >;
1204
1205 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1206 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1207 R600_Reg32:$src2))],
1208 VecALU
1209 >;
1210
1211 def MULADD_eg : MULADD_Common<0x14>;
1212 def ASHR_eg : ASHR_Common<0x15>;
1213 def LSHR_eg : LSHR_Common<0x16>;
1214 def LSHL_eg : LSHL_Common<0x17>;
1215 def CNDE_eg : CNDE_Common<0x19>;
1216 def CNDGT_eg : CNDGT_Common<0x1A>;
1217 def CNDGE_eg : CNDGE_Common<0x1B>;
1218 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1219 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1220 defm DOT4_eg : DOT4_Common<0xBE>;
1221 defm CUBE_eg : CUBE_Common<0xC0>;
1222
1223 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1224
1225 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1226 let Pattern = [];
1227 }
1228
1229 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1230
1231 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1232 let Pattern = [];
1233 }
1234
1235 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1236
1237 // TRUNC is used for the FLT_TO_INT instructions to work around a
1238 // perceived problem where the rounding modes are applied differently
1239 // depending on the instruction and the slot they are in.
1240 // See:
1241 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1242 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1243 //
1244 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1245 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1246 // We should look into handling these cases separately.
1247 def : Pat<(fp_to_sint R600_Reg32:$src0),
1248 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1249
1250 def : Pat<(fp_to_uint R600_Reg32:$src0),
1251 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1252
1253 def EG_ExportSwz : ExportSwzInst {
1254 let Word1{19-16} = 1; // BURST_COUNT
1255 let Word1{20} = 1; // VALID_PIXEL_MODE
1256 let Word1{21} = eop;
1257 let Word1{29-22} = inst;
1258 let Word1{30} = 0; // MARK
1259 let Word1{31} = 1; // BARRIER
1260 }
1261 defm : ExportPattern<EG_ExportSwz, 83>;
1262
1263 def EG_ExportBuf : ExportBufInst {
1264 let Word1{19-16} = 1; // BURST_COUNT
1265 let Word1{20} = 1; // VALID_PIXEL_MODE
1266 let Word1{21} = eop;
1267 let Word1{29-22} = inst;
1268 let Word1{30} = 0; // MARK
1269 let Word1{31} = 1; // BARRIER
1270 }
1271 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1272
1273//===----------------------------------------------------------------------===//
1274// Memory read/write instructions
1275//===----------------------------------------------------------------------===//
1276let usesCustomInserter = 1 in {
1277
1278class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1279 list<dag> pattern>
1280 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1281 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1282 let RIM = 0;
1283 // XXX: Have a separate instruction for non-indexed writes.
1284 let TYPE = 1;
1285 let RW_REL = 0;
1286 let ELEM_SIZE = 0;
1287
1288 let ARRAY_SIZE = 0;
1289 let COMP_MASK = comp_mask;
1290 let BURST_COUNT = 0;
1291 let VPM = 0;
1292 let MARK = 0;
1293 let BARRIER = 1;
1294}
1295
1296} // End usesCustomInserter = 1
1297
1298// 32-bit store
1299def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1300 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1301 0x1, "RAT_WRITE_CACHELESS_32_eg",
1302 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1303>;
1304
1305//128-bit store
1306def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1307 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1308 0xf, "RAT_WRITE_CACHELESS_128",
1309 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1310>;
1311
1312class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
Tom Stellard80537b92013-01-23 02:09:01 +00001313 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1314 VTX_WORD1_GPR, VTX_WORD0 {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001315
1316 // Static fields
Tom Stellard80537b92013-01-23 02:09:01 +00001317 let VC_INST = 0;
1318 let FETCH_TYPE = 2;
1319 let FETCH_WHOLE_QUAD = 0;
1320 let BUFFER_ID = buffer_id;
1321 let SRC_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001322 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1323 // to store vertex addresses in any channel, not just X.
Tom Stellard80537b92013-01-23 02:09:01 +00001324 let SRC_SEL_X = 0;
1325 let DST_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001326 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1327 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1328 // however, based on my testing if USE_CONST_FIELDS is set, then all
1329 // these fields need to be set to 0.
Tom Stellard80537b92013-01-23 02:09:01 +00001330 let USE_CONST_FIELDS = 0;
1331 let NUM_FORMAT_ALL = 1;
1332 let FORMAT_COMP_ALL = 0;
1333 let SRF_MODE_ALL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001334
Tom Stellard80537b92013-01-23 02:09:01 +00001335 let Inst{31-0} = Word0;
1336 let Inst{63-32} = Word1;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001337 // LLVM can only encode 64-bit instructions, so these fields are manually
1338 // encoded in R600CodeEmitter
1339 //
1340 // bits<16> OFFSET;
1341 // bits<2> ENDIAN_SWAP = 0;
1342 // bits<1> CONST_BUF_NO_STRIDE = 0;
1343 // bits<1> MEGA_FETCH = 0;
1344 // bits<1> ALT_CONST = 0;
1345 // bits<2> BUFFER_INDEX_MODE = 0;
1346
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001347
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001348
1349 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1350 // is done in R600CodeEmitter
1351 //
1352 // Inst{79-64} = OFFSET;
1353 // Inst{81-80} = ENDIAN_SWAP;
1354 // Inst{82} = CONST_BUF_NO_STRIDE;
1355 // Inst{83} = MEGA_FETCH;
1356 // Inst{84} = ALT_CONST;
1357 // Inst{86-85} = BUFFER_INDEX_MODE;
1358 // Inst{95-86} = 0; Reserved
1359
1360 // VTX_WORD3 (Padding)
1361 //
1362 // Inst{127-96} = 0;
1363}
1364
1365class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1366 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1367 pattern> {
1368
1369 let MEGA_FETCH_COUNT = 1;
1370 let DST_SEL_X = 0;
1371 let DST_SEL_Y = 7; // Masked
1372 let DST_SEL_Z = 7; // Masked
1373 let DST_SEL_W = 7; // Masked
1374 let DATA_FORMAT = 1; // FMT_8
1375}
1376
1377class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1378 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1379 pattern> {
1380 let MEGA_FETCH_COUNT = 2;
1381 let DST_SEL_X = 0;
1382 let DST_SEL_Y = 7; // Masked
1383 let DST_SEL_Z = 7; // Masked
1384 let DST_SEL_W = 7; // Masked
1385 let DATA_FORMAT = 5; // FMT_16
1386
1387}
1388
1389class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1390 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1391 pattern> {
1392
1393 let MEGA_FETCH_COUNT = 4;
1394 let DST_SEL_X = 0;
1395 let DST_SEL_Y = 7; // Masked
1396 let DST_SEL_Z = 7; // Masked
1397 let DST_SEL_W = 7; // Masked
1398 let DATA_FORMAT = 0xD; // COLOR_32
1399
1400 // This is not really necessary, but there were some GPU hangs that appeared
1401 // to be caused by ALU instructions in the next instruction group that wrote
1402 // to the $ptr registers of the VTX_READ.
1403 // e.g.
1404 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1405 // %T2_X<def> = MOV %ZERO
1406 //Adding this constraint prevents this from happening.
1407 let Constraints = "$ptr.ptr = $dst";
1408}
1409
1410class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1411 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1412 pattern> {
1413
1414 let MEGA_FETCH_COUNT = 16;
1415 let DST_SEL_X = 0;
1416 let DST_SEL_Y = 1;
1417 let DST_SEL_Z = 2;
1418 let DST_SEL_W = 3;
1419 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1420
1421 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1422 // that holds its buffer address to avoid potential hangs. We can't use
1423 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1424 // registers are different sizes.
1425}
1426
1427//===----------------------------------------------------------------------===//
1428// VTX Read from parameter memory space
1429//===----------------------------------------------------------------------===//
1430
1431def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1432 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1433>;
1434
1435def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1436 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1437>;
1438
1439def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1440 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1441>;
1442
1443//===----------------------------------------------------------------------===//
1444// VTX Read from global memory space
1445//===----------------------------------------------------------------------===//
1446
1447// 8-bit reads
1448def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1449 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1450>;
1451
1452// 32-bit reads
1453def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1454 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1455>;
1456
1457// 128-bit reads
1458def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1459 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1460>;
1461
1462//===----------------------------------------------------------------------===//
1463// Constant Loads
1464// XXX: We are currently storing all constants in the global address space.
1465//===----------------------------------------------------------------------===//
1466
1467def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1468 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1469>;
1470
1471}
1472
1473let Predicates = [isCayman] in {
1474
1475let isVector = 1 in {
1476
1477def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1478
1479def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1480def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1481def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1482def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1483def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1484def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
1485def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
1486def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1487def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1488def SIN_cm : SIN_Common<0x8D>;
1489def COS_cm : COS_Common<0x8E>;
1490} // End isVector = 1
1491
1492def : SIN_PAT <SIN_cm>;
1493def : COS_PAT <COS_cm>;
1494
1495defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1496
1497// RECIP_UINT emulation for Cayman
1498def : Pat <
1499 (AMDGPUurecip R600_Reg32:$src0),
1500 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1501 (MOV_IMM_I32 0x4f800000)))
1502>;
1503
1504
1505def : Pat<(fsqrt R600_Reg32:$src),
1506 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1507
1508} // End isCayman
1509
1510//===----------------------------------------------------------------------===//
1511// Branch Instructions
1512//===----------------------------------------------------------------------===//
1513
1514
1515def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1516 "IF_PREDICATE_SET $src", []>;
1517
1518def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1519 "PREDICATED_BREAK $src", []>;
1520
1521//===----------------------------------------------------------------------===//
1522// Pseudo instructions
1523//===----------------------------------------------------------------------===//
1524
1525let isPseudo = 1 in {
1526
1527def PRED_X : InstR600 <
1528 0, (outs R600_Predicate_Bit:$dst),
1529 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1530 "", [], NullALU> {
1531 let FlagOperandIdx = 3;
1532}
1533
1534let isTerminator = 1, isBranch = 1, isBarrier = 1 in {
1535
1536def JUMP : InstR600 <0x10,
1537 (outs),
1538 (ins brtarget:$target, R600_Pred:$p),
1539 "JUMP $target ($p)",
1540 [], AnyALU
1541 >;
1542
1543} // End isTerminator = 1, isBranch = 1, isBarrier = 1
1544
1545let usesCustomInserter = 1 in {
1546
1547let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1548
1549def MASK_WRITE : AMDGPUShaderInst <
1550 (outs),
1551 (ins R600_Reg32:$src),
1552 "MASK_WRITE $src",
1553 []
1554>;
1555
1556} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1557
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001558
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001559def TXD: AMDGPUShaderInst <
1560 (outs R600_Reg128:$dst),
1561 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1562 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1563 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1564>;
1565
1566def TXD_SHADOW: 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_SHADOW $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:$samplerId, TEX_SHADOW:$textureTarget))]
1571>;
1572
1573} // End isPseudo = 1
1574} // End usesCustomInserter = 1
1575
1576def CLAMP_R600 : CLAMP <R600_Reg32>;
1577def FABS_R600 : FABS<R600_Reg32>;
1578def FNEG_R600 : FNEG<R600_Reg32>;
1579
1580//===---------------------------------------------------------------------===//
1581// Return instruction
1582//===---------------------------------------------------------------------===//
1583let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1 in {
1584 def RETURN : ILFormat<(outs), (ins variable_ops),
1585 "RETURN", [(IL_retflag)]>;
1586}
1587
Tom Stellard9f7818d2013-01-23 02:09:06 +00001588
1589//===----------------------------------------------------------------------===//
1590// Constant Buffer Addressing Support
1591//===----------------------------------------------------------------------===//
1592
1593let isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU" in {
1594def CONST_COPY : Instruction {
1595 let OutOperandList = (outs R600_Reg32:$dst);
1596 let InOperandList = (ins i32imm:$src);
1597 let Pattern = [(set R600_Reg32:$dst, (CONST_ADDRESS ADDRGA_CONST_OFFSET:$src))];
1598 let AsmString = "CONST_COPY";
1599 let neverHasSideEffects = 1;
1600 let isAsCheapAsAMove = 1;
1601 let Itinerary = NullALU;
1602}
1603} // end isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU"
1604
1605def TEX_VTX_CONSTBUF :
1606 InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr), "VTX_READ_eg $dst, $ptr",
1607 [(set R600_Reg128:$dst, (CONST_ADDRESS ADDRGA_VAR_OFFSET:$ptr))]>,
1608 VTX_WORD1_GPR, VTX_WORD0 {
1609
1610 let VC_INST = 0;
1611 let FETCH_TYPE = 2;
1612 let FETCH_WHOLE_QUAD = 0;
1613 let BUFFER_ID = 0;
1614 let SRC_REL = 0;
1615 let SRC_SEL_X = 0;
1616 let DST_REL = 0;
1617 let USE_CONST_FIELDS = 0;
1618 let NUM_FORMAT_ALL = 2;
1619 let FORMAT_COMP_ALL = 1;
1620 let SRF_MODE_ALL = 1;
1621 let MEGA_FETCH_COUNT = 16;
1622 let DST_SEL_X = 0;
1623 let DST_SEL_Y = 1;
1624 let DST_SEL_Z = 2;
1625 let DST_SEL_W = 3;
1626 let DATA_FORMAT = 35;
1627
1628 let Inst{31-0} = Word0;
1629 let Inst{63-32} = Word1;
1630
1631// LLVM can only encode 64-bit instructions, so these fields are manually
1632// encoded in R600CodeEmitter
1633//
1634// bits<16> OFFSET;
1635// bits<2> ENDIAN_SWAP = 0;
1636// bits<1> CONST_BUF_NO_STRIDE = 0;
1637// bits<1> MEGA_FETCH = 0;
1638// bits<1> ALT_CONST = 0;
1639// bits<2> BUFFER_INDEX_MODE = 0;
1640
1641
1642
1643// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1644// is done in R600CodeEmitter
1645//
1646// Inst{79-64} = OFFSET;
1647// Inst{81-80} = ENDIAN_SWAP;
1648// Inst{82} = CONST_BUF_NO_STRIDE;
1649// Inst{83} = MEGA_FETCH;
1650// Inst{84} = ALT_CONST;
1651// Inst{86-85} = BUFFER_INDEX_MODE;
1652// Inst{95-86} = 0; Reserved
1653
1654// VTX_WORD3 (Padding)
1655//
1656// Inst{127-96} = 0;
1657}
1658
1659
Tom Stellard6b7d99d2012-12-19 22:10:31 +00001660//===--------------------------------------------------------------------===//
1661// Instructions support
1662//===--------------------------------------------------------------------===//
1663//===---------------------------------------------------------------------===//
1664// Custom Inserter for Branches and returns, this eventually will be a
1665// seperate pass
1666//===---------------------------------------------------------------------===//
1667let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1668 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1669 "; Pseudo unconditional branch instruction",
1670 [(br bb:$target)]>;
1671 defm BRANCH_COND : BranchConditional<IL_brcond>;
1672}
1673
1674//===---------------------------------------------------------------------===//
1675// Flow and Program control Instructions
1676//===---------------------------------------------------------------------===//
1677let isTerminator=1 in {
1678 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1679 !strconcat("SWITCH", " $src"), []>;
1680 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1681 !strconcat("CASE", " $src"), []>;
1682 def BREAK : ILFormat< (outs), (ins),
1683 "BREAK", []>;
1684 def CONTINUE : ILFormat< (outs), (ins),
1685 "CONTINUE", []>;
1686 def DEFAULT : ILFormat< (outs), (ins),
1687 "DEFAULT", []>;
1688 def ELSE : ILFormat< (outs), (ins),
1689 "ELSE", []>;
1690 def ENDSWITCH : ILFormat< (outs), (ins),
1691 "ENDSWITCH", []>;
1692 def ENDMAIN : ILFormat< (outs), (ins),
1693 "ENDMAIN", []>;
1694 def END : ILFormat< (outs), (ins),
1695 "END", []>;
1696 def ENDFUNC : ILFormat< (outs), (ins),
1697 "ENDFUNC", []>;
1698 def ENDIF : ILFormat< (outs), (ins),
1699 "ENDIF", []>;
1700 def WHILELOOP : ILFormat< (outs), (ins),
1701 "WHILE", []>;
1702 def ENDLOOP : ILFormat< (outs), (ins),
1703 "ENDLOOP", []>;
1704 def FUNC : ILFormat< (outs), (ins),
1705 "FUNC", []>;
1706 def RETDYN : ILFormat< (outs), (ins),
1707 "RET_DYN", []>;
1708 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1709 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
1710 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1711 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
1712 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1713 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
1714 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1715 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
1716 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1717 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
1718 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1719 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
1720 defm IFC : BranchInstr2<"IFC">;
1721 defm BREAKC : BranchInstr2<"BREAKC">;
1722 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
1723}
1724
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001725//===----------------------------------------------------------------------===//
1726// ISel Patterns
1727//===----------------------------------------------------------------------===//
1728
1729//CNDGE_INT extra pattern
1730def : Pat <
1731 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
1732 (i32 R600_Reg32:$src2), COND_GT),
1733 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
1734>;
1735
1736// KIL Patterns
1737def KILP : Pat <
1738 (int_AMDGPU_kilp),
1739 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
1740>;
1741
1742def KIL : Pat <
1743 (int_AMDGPU_kill R600_Reg32:$src0),
1744 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
1745>;
1746
1747// SGT Reverse args
1748def : Pat <
1749 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
1750 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
1751>;
1752
1753// SGE Reverse args
1754def : Pat <
1755 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
1756 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
1757>;
1758
1759// SETGT_INT reverse args
1760def : Pat <
1761 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
1762 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
1763>;
1764
1765// SETGE_INT reverse args
1766def : Pat <
1767 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
1768 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
1769>;
1770
1771// SETGT_UINT reverse args
1772def : Pat <
1773 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
1774 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1775>;
1776
1777// SETGE_UINT reverse args
1778def : Pat <
1779 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
1780 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1781>;
1782
1783// The next two patterns are special cases for handling 'true if ordered' and
1784// 'true if unordered' conditionals. The assumption here is that the behavior of
1785// SETE and SNE conforms to the Direct3D 10 rules for floating point values
1786// described here:
1787// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
1788// We assume that SETE returns false when one of the operands is NAN and
1789// SNE returns true when on of the operands is NAN
1790
1791//SETE - 'true if ordered'
1792def : Pat <
1793 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
1794 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
1795>;
1796
1797//SNE - 'true if unordered'
1798def : Pat <
1799 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
1800 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
1801>;
1802
1803def : Extract_Element <f32, v4f32, R600_Reg128, 0, sel_x>;
1804def : Extract_Element <f32, v4f32, R600_Reg128, 1, sel_y>;
1805def : Extract_Element <f32, v4f32, R600_Reg128, 2, sel_z>;
1806def : Extract_Element <f32, v4f32, R600_Reg128, 3, sel_w>;
1807
1808def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sel_x>;
1809def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sel_y>;
1810def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sel_z>;
1811def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sel_w>;
1812
1813def : Extract_Element <i32, v4i32, R600_Reg128, 0, sel_x>;
1814def : Extract_Element <i32, v4i32, R600_Reg128, 1, sel_y>;
1815def : Extract_Element <i32, v4i32, R600_Reg128, 2, sel_z>;
1816def : Extract_Element <i32, v4i32, R600_Reg128, 3, sel_w>;
1817
1818def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sel_x>;
1819def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sel_y>;
1820def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sel_z>;
1821def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sel_w>;
1822
1823def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
1824def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
1825
1826// bitconvert patterns
1827
1828def : BitConvert <i32, f32, R600_Reg32>;
1829def : BitConvert <f32, i32, R600_Reg32>;
1830def : BitConvert <v4f32, v4i32, R600_Reg128>;
1831def : BitConvert <v4i32, v4f32, R600_Reg128>;
1832
1833// DWORDADDR pattern
1834def : DwordAddrPat <i32, R600_Reg32>;
1835
1836} // End isR600toCayman Predicate