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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
Tom Stellardc0b0c672013-02-06 17:32:29 +000094def FRAMEri : Operand<iPTR> {
95 let MIOperandInfo = (ops R600_Reg32:$ptr, i32imm:$index);
96}
97
Tom Stellardf98f2ce2012-12-11 21:25:42 +000098def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
99def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
100def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;
Tom Stellard9f7818d2013-01-23 02:09:06 +0000101def ADDRGA_CONST_OFFSET : ComplexPattern<i32, 1, "SelectGlobalValueConstantOffset", [], []>;
102def ADDRGA_VAR_OFFSET : ComplexPattern<i32, 2, "SelectGlobalValueVariableOffset", [], []>;
Tom Stellardc0b0c672013-02-06 17:32:29 +0000103def ADDRIndirect : ComplexPattern<iPTR, 2, "SelectADDRIndirect", [], []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000104
105class R600ALU_Word0 {
106 field bits<32> Word0;
107
108 bits<11> src0;
109 bits<1> src0_neg;
110 bits<1> src0_rel;
111 bits<11> src1;
112 bits<1> src1_rel;
113 bits<1> src1_neg;
114 bits<3> index_mode = 0;
115 bits<2> pred_sel;
116 bits<1> last;
117
118 bits<9> src0_sel = src0{8-0};
119 bits<2> src0_chan = src0{10-9};
120 bits<9> src1_sel = src1{8-0};
121 bits<2> src1_chan = src1{10-9};
122
123 let Word0{8-0} = src0_sel;
124 let Word0{9} = src0_rel;
125 let Word0{11-10} = src0_chan;
126 let Word0{12} = src0_neg;
127 let Word0{21-13} = src1_sel;
128 let Word0{22} = src1_rel;
129 let Word0{24-23} = src1_chan;
130 let Word0{25} = src1_neg;
131 let Word0{28-26} = index_mode;
132 let Word0{30-29} = pred_sel;
133 let Word0{31} = last;
134}
135
136class R600ALU_Word1 {
137 field bits<32> Word1;
138
139 bits<11> dst;
140 bits<3> bank_swizzle = 0;
141 bits<1> dst_rel;
142 bits<1> clamp;
143
144 bits<7> dst_sel = dst{6-0};
145 bits<2> dst_chan = dst{10-9};
146
147 let Word1{20-18} = bank_swizzle;
148 let Word1{27-21} = dst_sel;
149 let Word1{28} = dst_rel;
150 let Word1{30-29} = dst_chan;
151 let Word1{31} = clamp;
152}
153
154class R600ALU_Word1_OP2 <bits<11> alu_inst> : R600ALU_Word1{
155
156 bits<1> src0_abs;
157 bits<1> src1_abs;
158 bits<1> update_exec_mask;
159 bits<1> update_pred;
160 bits<1> write;
161 bits<2> omod;
162
163 let Word1{0} = src0_abs;
164 let Word1{1} = src1_abs;
165 let Word1{2} = update_exec_mask;
166 let Word1{3} = update_pred;
167 let Word1{4} = write;
168 let Word1{6-5} = omod;
169 let Word1{17-7} = alu_inst;
170}
171
172class R600ALU_Word1_OP3 <bits<5> alu_inst> : R600ALU_Word1{
173
174 bits<11> src2;
175 bits<1> src2_rel;
176 bits<1> src2_neg;
177
178 bits<9> src2_sel = src2{8-0};
179 bits<2> src2_chan = src2{10-9};
180
181 let Word1{8-0} = src2_sel;
182 let Word1{9} = src2_rel;
183 let Word1{11-10} = src2_chan;
184 let Word1{12} = src2_neg;
185 let Word1{17-13} = alu_inst;
186}
187
Tom Stellard80537b92013-01-23 02:09:01 +0000188class VTX_WORD0 {
189 field bits<32> Word0;
190 bits<7> SRC_GPR;
191 bits<5> VC_INST;
192 bits<2> FETCH_TYPE;
193 bits<1> FETCH_WHOLE_QUAD;
194 bits<8> BUFFER_ID;
195 bits<1> SRC_REL;
196 bits<2> SRC_SEL_X;
197 bits<6> MEGA_FETCH_COUNT;
198
199 let Word0{4-0} = VC_INST;
200 let Word0{6-5} = FETCH_TYPE;
201 let Word0{7} = FETCH_WHOLE_QUAD;
202 let Word0{15-8} = BUFFER_ID;
203 let Word0{22-16} = SRC_GPR;
204 let Word0{23} = SRC_REL;
205 let Word0{25-24} = SRC_SEL_X;
206 let Word0{31-26} = MEGA_FETCH_COUNT;
207}
208
209class VTX_WORD1_GPR {
210 field bits<32> Word1;
211 bits<7> DST_GPR;
212 bits<1> DST_REL;
213 bits<3> DST_SEL_X;
214 bits<3> DST_SEL_Y;
215 bits<3> DST_SEL_Z;
216 bits<3> DST_SEL_W;
217 bits<1> USE_CONST_FIELDS;
218 bits<6> DATA_FORMAT;
219 bits<2> NUM_FORMAT_ALL;
220 bits<1> FORMAT_COMP_ALL;
221 bits<1> SRF_MODE_ALL;
222
223 let Word1{6-0} = DST_GPR;
224 let Word1{7} = DST_REL;
225 let Word1{8} = 0; // Reserved
226 let Word1{11-9} = DST_SEL_X;
227 let Word1{14-12} = DST_SEL_Y;
228 let Word1{17-15} = DST_SEL_Z;
229 let Word1{20-18} = DST_SEL_W;
230 let Word1{21} = USE_CONST_FIELDS;
231 let Word1{27-22} = DATA_FORMAT;
232 let Word1{29-28} = NUM_FORMAT_ALL;
233 let Word1{30} = FORMAT_COMP_ALL;
234 let Word1{31} = SRF_MODE_ALL;
235}
236
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000237/*
238XXX: R600 subtarget uses a slightly different encoding than the other
239subtargets. We currently handle this in R600MCCodeEmitter, but we may
240want to use these instruction classes in the future.
241
242class R600ALU_Word1_OP2_r600 : R600ALU_Word1_OP2 {
243
244 bits<1> fog_merge;
245 bits<10> alu_inst;
246
247 let Inst{37} = fog_merge;
248 let Inst{39-38} = omod;
249 let Inst{49-40} = alu_inst;
250}
251
252class R600ALU_Word1_OP2_r700 : R600ALU_Word1_OP2 {
253
254 bits<11> alu_inst;
255
256 let Inst{38-37} = omod;
257 let Inst{49-39} = alu_inst;
258}
259*/
260
261def R600_Pred : PredicateOperand<i32, (ops R600_Predicate),
262 (ops PRED_SEL_OFF)>;
263
264
265let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
266
267// Class for instructions with only one source register.
268// If you add new ins to this instruction, make sure they are listed before
269// $literal, because the backend currently assumes that the last operand is
270// a literal. Also be sure to update the enum R600Op1OperandIndex::ROI in
271// R600Defines.h, R600InstrInfo::buildDefaultInstruction(),
272// and R600InstrInfo::getOperandIdx().
273class R600_1OP <bits<11> inst, string opName, list<dag> pattern,
274 InstrItinClass itin = AnyALU> :
275 InstR600 <0,
276 (outs R600_Reg32:$dst),
277 (ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000278 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000279 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
280 !strconcat(opName,
281 "$clamp $dst$write$dst_rel$omod, "
Tom Stellard9f7818d2013-01-23 02:09:06 +0000282 "$src0_neg$src0_abs$src0$src0_sel$src0_abs$src0_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000283 "$literal $pred_sel$last"),
284 pattern,
285 itin>,
286 R600ALU_Word0,
287 R600ALU_Word1_OP2 <inst> {
288
289 let src1 = 0;
290 let src1_rel = 0;
291 let src1_neg = 0;
292 let src1_abs = 0;
293 let update_exec_mask = 0;
294 let update_pred = 0;
295 let HasNativeOperands = 1;
296 let Op1 = 1;
297 let DisableEncoding = "$literal";
298
299 let Inst{31-0} = Word0;
300 let Inst{63-32} = Word1;
301}
302
303class R600_1OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
304 InstrItinClass itin = AnyALU> :
305 R600_1OP <inst, opName,
306 [(set R600_Reg32:$dst, (node R600_Reg32:$src0))]
307>;
308
309// If you add our change the operands for R600_2OP instructions, you must
310// also update the R600Op2OperandIndex::ROI enum in R600Defines.h,
311// R600InstrInfo::buildDefaultInstruction(), and R600InstrInfo::getOperandIdx().
312class R600_2OP <bits<11> inst, string opName, list<dag> pattern,
313 InstrItinClass itin = AnyALU> :
314 InstR600 <inst,
315 (outs R600_Reg32:$dst),
316 (ins UEM:$update_exec_mask, UP:$update_pred, WRITE:$write,
317 OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000318 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
319 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, ABS:$src1_abs, SEL:$src1_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000320 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
321 !strconcat(opName,
322 "$clamp $update_exec_mask$update_pred$dst$write$dst_rel$omod, "
Tom Stellard9f7818d2013-01-23 02:09:06 +0000323 "$src0_neg$src0_abs$src0$src0_sel$src0_abs$src0_rel, "
324 "$src1_neg$src1_abs$src1$src1_sel$src1_abs$src1_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000325 "$literal $pred_sel$last"),
326 pattern,
327 itin>,
328 R600ALU_Word0,
329 R600ALU_Word1_OP2 <inst> {
330
331 let HasNativeOperands = 1;
332 let Op2 = 1;
333 let DisableEncoding = "$literal";
334
335 let Inst{31-0} = Word0;
336 let Inst{63-32} = Word1;
337}
338
339class R600_2OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
340 InstrItinClass itim = AnyALU> :
341 R600_2OP <inst, opName,
342 [(set R600_Reg32:$dst, (node R600_Reg32:$src0,
343 R600_Reg32:$src1))]
344>;
345
346// If you add our change the operands for R600_3OP instructions, you must
347// also update the R600Op3OperandIndex::ROI enum in R600Defines.h,
348// R600InstrInfo::buildDefaultInstruction(), and
349// R600InstrInfo::getOperandIdx().
350class R600_3OP <bits<5> inst, string opName, list<dag> pattern,
351 InstrItinClass itin = AnyALU> :
352 InstR600 <0,
353 (outs R600_Reg32:$dst),
354 (ins REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000355 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, SEL:$src0_sel,
356 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, SEL:$src1_sel,
357 R600_Reg32:$src2, NEG:$src2_neg, REL:$src2_rel, SEL:$src2_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000358 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
359 !strconcat(opName, "$clamp $dst$dst_rel, "
Tom Stellard9f7818d2013-01-23 02:09:06 +0000360 "$src0_neg$src0$src0_sel$src0_rel, "
361 "$src1_neg$src1$src1_sel$src1_rel, "
362 "$src2_neg$src2$src2_sel$src2_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000363 "$literal $pred_sel$last"),
364 pattern,
365 itin>,
366 R600ALU_Word0,
367 R600ALU_Word1_OP3<inst>{
368
369 let HasNativeOperands = 1;
370 let DisableEncoding = "$literal";
371 let Op3 = 1;
372
373 let Inst{31-0} = Word0;
374 let Inst{63-32} = Word1;
375}
376
377class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
378 InstrItinClass itin = VecALU> :
379 InstR600 <inst,
380 (outs R600_Reg32:$dst),
381 ins,
382 asm,
383 pattern,
384 itin>;
385
386class R600_TEX <bits<11> inst, string opName, list<dag> pattern,
387 InstrItinClass itin = AnyALU> :
388 InstR600 <inst,
389 (outs R600_Reg128:$dst),
390 (ins R600_Reg128:$src0, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
391 !strconcat(opName, "$dst, $src0, $resourceId, $samplerId, $textureTarget"),
392 pattern,
393 itin>{
394 let Inst {10-0} = inst;
395 }
396
397} // End mayLoad = 1, mayStore = 0, hasSideEffects = 0
398
399def TEX_SHADOW : PatLeaf<
400 (imm),
401 [{uint32_t TType = (uint32_t)N->getZExtValue();
Tom Stellard64dca862013-02-07 17:02:14 +0000402 return (TType >= 6 && TType <= 8) || TType == 13;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000403 }]
404>;
405
Tom Stellard97ff6182013-01-21 15:40:48 +0000406def TEX_RECT : PatLeaf<
407 (imm),
408 [{uint32_t TType = (uint32_t)N->getZExtValue();
409 return TType == 5;
410 }]
411>;
412
Tom Stellard64dca862013-02-07 17:02:14 +0000413def TEX_ARRAY : PatLeaf<
414 (imm),
415 [{uint32_t TType = (uint32_t)N->getZExtValue();
416 return TType == 9 || TType == 10 || TType == 15 || TType == 16;
417 }]
418>;
419
420def TEX_SHADOW_ARRAY : PatLeaf<
421 (imm),
422 [{uint32_t TType = (uint32_t)N->getZExtValue();
423 return TType == 11 || TType == 12 || TType == 17;
424 }]
425>;
426
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000427class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
428 dag ins, string asm, list<dag> pattern> :
429 InstR600ISA <outs, ins, asm, pattern> {
430 bits<7> RW_GPR;
431 bits<7> INDEX_GPR;
432
433 bits<2> RIM;
434 bits<2> TYPE;
435 bits<1> RW_REL;
436 bits<2> ELEM_SIZE;
437
438 bits<12> ARRAY_SIZE;
439 bits<4> COMP_MASK;
440 bits<4> BURST_COUNT;
441 bits<1> VPM;
442 bits<1> eop;
443 bits<1> MARK;
444 bits<1> BARRIER;
445
446 // CF_ALLOC_EXPORT_WORD0_RAT
447 let Inst{3-0} = rat_id;
448 let Inst{9-4} = rat_inst;
449 let Inst{10} = 0; // Reserved
450 let Inst{12-11} = RIM;
451 let Inst{14-13} = TYPE;
452 let Inst{21-15} = RW_GPR;
453 let Inst{22} = RW_REL;
454 let Inst{29-23} = INDEX_GPR;
455 let Inst{31-30} = ELEM_SIZE;
456
457 // CF_ALLOC_EXPORT_WORD1_BUF
458 let Inst{43-32} = ARRAY_SIZE;
459 let Inst{47-44} = COMP_MASK;
460 let Inst{51-48} = BURST_COUNT;
461 let Inst{52} = VPM;
462 let Inst{53} = eop;
463 let Inst{61-54} = cf_inst;
464 let Inst{62} = MARK;
465 let Inst{63} = BARRIER;
466}
467
468class LoadParamFrag <PatFrag load_type> : PatFrag <
469 (ops node:$ptr), (load_type node:$ptr),
470 [{ return isParamLoad(dyn_cast<LoadSDNode>(N)); }]
471>;
472
473def load_param : LoadParamFrag<load>;
474def load_param_zexti8 : LoadParamFrag<zextloadi8>;
475def load_param_zexti16 : LoadParamFrag<zextloadi16>;
476
477def isR600 : Predicate<"Subtarget.device()"
478 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
479def isR700 : Predicate<"Subtarget.device()"
480 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
481 "Subtarget.device()->getDeviceFlag()"
482 ">= OCL_DEVICE_RV710">;
483def isEG : Predicate<
484 "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
485 "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
486 "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;
487
488def isCayman : Predicate<"Subtarget.device()"
489 "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
490def isEGorCayman : Predicate<"Subtarget.device()"
491 "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
492 "|| Subtarget.device()->getGeneration() =="
493 "AMDGPUDeviceInfo::HD6XXX">;
494
495def isR600toCayman : Predicate<
496 "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;
497
498//===----------------------------------------------------------------------===//
Tom Stellardc7e18882013-01-23 02:09:03 +0000499// R600 SDNodes
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000500//===----------------------------------------------------------------------===//
501
Tom Stellard29b15a32013-02-05 17:09:14 +0000502def INTERP_PAIR_XY : AMDGPUShaderInst <
503 (outs R600_TReg32_X:$dst0, R600_TReg32_Y:$dst1),
504 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
505 "INTERP_PAIR_XY $src0 $src1 $src2 : $dst0 dst1",
506 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000507
Tom Stellard29b15a32013-02-05 17:09:14 +0000508def INTERP_PAIR_ZW : AMDGPUShaderInst <
509 (outs R600_TReg32_Z:$dst0, R600_TReg32_W:$dst1),
510 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
511 "INTERP_PAIR_ZW $src0 $src1 $src2 : $dst0 dst1",
512 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000513
Tom Stellardc7e18882013-01-23 02:09:03 +0000514def CONST_ADDRESS: SDNode<"AMDGPUISD::CONST_ADDRESS",
Tom Stellard9f7818d2013-01-23 02:09:06 +0000515 SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>,
Tom Stellardc7e18882013-01-23 02:09:03 +0000516 [SDNPMayLoad]
517>;
518
519//===----------------------------------------------------------------------===//
520// Interpolation Instructions
521//===----------------------------------------------------------------------===//
522
Tom Stellard29b15a32013-02-05 17:09:14 +0000523def INTERP_VEC_LOAD : AMDGPUShaderInst <
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000524 (outs R600_Reg128:$dst),
Tom Stellard29b15a32013-02-05 17:09:14 +0000525 (ins i32imm:$src0),
526 "INTERP_LOAD $src0 : $dst",
527 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000528
529def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
530 let bank_swizzle = 5;
531}
532
533def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
534 let bank_swizzle = 5;
535}
536
537def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
538
539//===----------------------------------------------------------------------===//
540// Export Instructions
541//===----------------------------------------------------------------------===//
542
543def ExportType : SDTypeProfile<0, 5, [SDTCisFP<0>, SDTCisInt<1>]>;
544
545def EXPORT: SDNode<"AMDGPUISD::EXPORT", ExportType,
546 [SDNPHasChain, SDNPSideEffect]>;
547
548class ExportWord0 {
549 field bits<32> Word0;
550
551 bits<13> arraybase;
552 bits<2> type;
553 bits<7> gpr;
554 bits<2> elem_size;
555
556 let Word0{12-0} = arraybase;
557 let Word0{14-13} = type;
558 let Word0{21-15} = gpr;
559 let Word0{22} = 0; // RW_REL
560 let Word0{29-23} = 0; // INDEX_GPR
561 let Word0{31-30} = elem_size;
562}
563
564class ExportSwzWord1 {
565 field bits<32> Word1;
566
567 bits<3> sw_x;
568 bits<3> sw_y;
569 bits<3> sw_z;
570 bits<3> sw_w;
571 bits<1> eop;
572 bits<8> inst;
573
574 let Word1{2-0} = sw_x;
575 let Word1{5-3} = sw_y;
576 let Word1{8-6} = sw_z;
577 let Word1{11-9} = sw_w;
578}
579
580class ExportBufWord1 {
581 field bits<32> Word1;
582
583 bits<12> arraySize;
584 bits<4> compMask;
585 bits<1> eop;
586 bits<8> inst;
587
588 let Word1{11-0} = arraySize;
589 let Word1{15-12} = compMask;
590}
591
592multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
593 def : Pat<(int_R600_store_pixel_depth R600_Reg32:$reg),
594 (ExportInst
Tom Stellard07b59ba2013-02-07 14:02:37 +0000595 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sub0),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000596 0, 61, 0, 7, 7, 7, cf_inst, 0)
597 >;
598
599 def : Pat<(int_R600_store_pixel_stencil R600_Reg32:$reg),
600 (ExportInst
Tom Stellard07b59ba2013-02-07 14:02:37 +0000601 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sub0),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000602 0, 61, 7, 0, 7, 7, cf_inst, 0)
603 >;
604
Tom Stellard44ddc362013-01-31 22:11:46 +0000605 def : Pat<(int_R600_store_dummy (i32 imm:$type)),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000606 (ExportInst
Tom Stellard44ddc362013-01-31 22:11:46 +0000607 (v4f32 (IMPLICIT_DEF)), imm:$type, 0, 7, 7, 7, 7, cf_inst, 0)
608 >;
609
610 def : Pat<(int_R600_store_dummy 1),
611 (ExportInst
612 (v4f32 (IMPLICIT_DEF)), 1, 60, 7, 7, 7, 7, cf_inst, 0)
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000613 >;
614
615 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 0),
616 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
617 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
618 0, 1, 2, 3, cf_inst, 0)
619 >;
Tom Stellard254a83e2013-01-23 21:39:49 +0000620 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 1),
621 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
622 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
623 0, 1, 2, 3, cf_inst, 0)
624 >;
625
626 def : Pat<(int_R600_store_swizzle (v4f32 R600_Reg128:$src), imm:$arraybase,
627 imm:$type),
628 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
629 0, 1, 2, 3, cf_inst, 0)
630 >;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000631}
632
633multiclass SteamOutputExportPattern<Instruction ExportInst,
634 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
635// Stream0
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000636 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
637 (i32 imm:$arraybase), (i32 0), (i32 imm:$mask)),
638 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000639 4095, imm:$mask, buf0inst, 0)>;
640// Stream1
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000641 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
642 (i32 imm:$arraybase), (i32 1), (i32 imm:$mask)),
643 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000644 4095, imm:$mask, buf1inst, 0)>;
645// Stream2
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000646 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
647 (i32 imm:$arraybase), (i32 2), (i32 imm:$mask)),
648 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000649 4095, imm:$mask, buf2inst, 0)>;
650// Stream3
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000651 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
652 (i32 imm:$arraybase), (i32 3), (i32 imm:$mask)),
653 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000654 4095, imm:$mask, buf3inst, 0)>;
655}
656
657let isTerminator = 1, usesCustomInserter = 1 in {
658
659class ExportSwzInst : InstR600ISA<(
660 outs),
661 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
662 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
663 i32imm:$eop),
664 !strconcat("EXPORT", " $gpr"),
665 []>, ExportWord0, ExportSwzWord1 {
666 let elem_size = 3;
667 let Inst{31-0} = Word0;
668 let Inst{63-32} = Word1;
669}
670
671} // End isTerminator = 1, usesCustomInserter = 1
672
673class ExportBufInst : InstR600ISA<(
674 outs),
675 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
676 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
677 !strconcat("EXPORT", " $gpr"),
678 []>, ExportWord0, ExportBufWord1 {
679 let elem_size = 0;
680 let Inst{31-0} = Word0;
681 let Inst{63-32} = Word1;
682}
683
684let Predicates = [isR600toCayman] in {
685
686//===----------------------------------------------------------------------===//
687// Common Instructions R600, R700, Evergreen, Cayman
688//===----------------------------------------------------------------------===//
689
690def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
691// Non-IEEE MUL: 0 * anything = 0
692def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
693def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
694def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
695def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
696
697// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
698// so some of the instruction names don't match the asm string.
699// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
700def SETE : R600_2OP <
701 0x08, "SETE",
702 [(set R600_Reg32:$dst,
703 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
704 COND_EQ))]
705>;
706
707def SGT : R600_2OP <
708 0x09, "SETGT",
709 [(set R600_Reg32:$dst,
710 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
711 COND_GT))]
712>;
713
714def SGE : R600_2OP <
715 0xA, "SETGE",
716 [(set R600_Reg32:$dst,
717 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
718 COND_GE))]
719>;
720
721def SNE : R600_2OP <
722 0xB, "SETNE",
723 [(set R600_Reg32:$dst,
724 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
725 COND_NE))]
726>;
727
Tom Stellard1234c9b2013-02-07 14:02:35 +0000728def SETE_DX10 : R600_2OP <
729 0xC, "SETE_DX10",
730 [(set R600_Reg32:$dst,
731 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
732 COND_EQ))]
733>;
734
735def SETGT_DX10 : R600_2OP <
736 0xD, "SETGT_DX10",
737 [(set R600_Reg32:$dst,
738 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
739 COND_GT))]
740>;
741
742def SETGE_DX10 : R600_2OP <
743 0xE, "SETGE_DX10",
744 [(set R600_Reg32:$dst,
745 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
746 COND_GE))]
747>;
748
749def SETNE_DX10 : R600_2OP <
750 0xF, "SETNE_DX10",
751 [(set R600_Reg32:$dst,
752 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
753 COND_NE))]
754>;
755
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000756def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
757def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
758def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
759def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
760def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
761
762def MOV : R600_1OP <0x19, "MOV", []>;
763
764let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
765
766class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
767 (outs R600_Reg32:$dst),
768 (ins immType:$imm),
769 "",
770 []
771>;
772
773} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
774
775def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
776def : Pat <
777 (imm:$val),
778 (MOV_IMM_I32 imm:$val)
779>;
780
781def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
782def : Pat <
783 (fpimm:$val),
784 (MOV_IMM_F32 fpimm:$val)
785>;
786
787def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
788def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
789def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
790def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
791
792let hasSideEffects = 1 in {
793
794def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
795
796} // end hasSideEffects
797
798def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
799def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
800def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
801def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
802def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
803def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
804def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
805def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
Tom Stellardeef0d5a2012-12-21 20:12:01 +0000806def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000807def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
808
809def SETE_INT : R600_2OP <
810 0x3A, "SETE_INT",
811 [(set (i32 R600_Reg32:$dst),
812 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
813>;
814
815def SETGT_INT : R600_2OP <
Tom Stellardb4409612013-02-07 14:02:27 +0000816 0x3B, "SETGT_INT",
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000817 [(set (i32 R600_Reg32:$dst),
818 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
819>;
820
821def SETGE_INT : R600_2OP <
822 0x3C, "SETGE_INT",
823 [(set (i32 R600_Reg32:$dst),
824 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
825>;
826
827def SETNE_INT : R600_2OP <
828 0x3D, "SETNE_INT",
829 [(set (i32 R600_Reg32:$dst),
830 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
831>;
832
833def SETGT_UINT : R600_2OP <
834 0x3E, "SETGT_UINT",
835 [(set (i32 R600_Reg32:$dst),
836 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
837>;
838
839def SETGE_UINT : R600_2OP <
840 0x3F, "SETGE_UINT",
841 [(set (i32 R600_Reg32:$dst),
842 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
843>;
844
845def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
846def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
847def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
848def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
849
850def CNDE_INT : R600_3OP <
851 0x1C, "CNDE_INT",
852 [(set (i32 R600_Reg32:$dst),
853 (selectcc (i32 R600_Reg32:$src0), 0,
854 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
855 COND_EQ))]
856>;
857
858def CNDGE_INT : R600_3OP <
859 0x1E, "CNDGE_INT",
860 [(set (i32 R600_Reg32:$dst),
861 (selectcc (i32 R600_Reg32:$src0), 0,
862 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
863 COND_GE))]
864>;
865
866def CNDGT_INT : R600_3OP <
867 0x1D, "CNDGT_INT",
868 [(set (i32 R600_Reg32:$dst),
869 (selectcc (i32 R600_Reg32:$src0), 0,
870 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
871 COND_GT))]
872>;
873
874//===----------------------------------------------------------------------===//
875// Texture instructions
876//===----------------------------------------------------------------------===//
877
878def TEX_LD : R600_TEX <
879 0x03, "TEX_LD",
880 [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
881> {
882let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget";
883let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget);
884}
885
886def TEX_GET_TEXTURE_RESINFO : R600_TEX <
887 0x04, "TEX_GET_TEXTURE_RESINFO",
888 [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
889>;
890
891def TEX_GET_GRADIENTS_H : R600_TEX <
892 0x07, "TEX_GET_GRADIENTS_H",
893 [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
894>;
895
896def TEX_GET_GRADIENTS_V : R600_TEX <
897 0x08, "TEX_GET_GRADIENTS_V",
898 [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
899>;
900
901def TEX_SET_GRADIENTS_H : R600_TEX <
902 0x0B, "TEX_SET_GRADIENTS_H",
903 []
904>;
905
906def TEX_SET_GRADIENTS_V : R600_TEX <
907 0x0C, "TEX_SET_GRADIENTS_V",
908 []
909>;
910
911def TEX_SAMPLE : R600_TEX <
912 0x10, "TEX_SAMPLE",
913 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
914>;
915
916def TEX_SAMPLE_C : R600_TEX <
917 0x18, "TEX_SAMPLE_C",
918 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
919>;
920
921def TEX_SAMPLE_L : R600_TEX <
922 0x11, "TEX_SAMPLE_L",
923 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
924>;
925
926def TEX_SAMPLE_C_L : R600_TEX <
927 0x19, "TEX_SAMPLE_C_L",
928 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
929>;
930
931def TEX_SAMPLE_LB : R600_TEX <
932 0x12, "TEX_SAMPLE_LB",
933 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
934>;
935
936def TEX_SAMPLE_C_LB : R600_TEX <
937 0x1A, "TEX_SAMPLE_C_LB",
938 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
939>;
940
941def TEX_SAMPLE_G : R600_TEX <
942 0x14, "TEX_SAMPLE_G",
943 []
944>;
945
946def TEX_SAMPLE_C_G : R600_TEX <
947 0x1C, "TEX_SAMPLE_C_G",
948 []
949>;
950
951//===----------------------------------------------------------------------===//
952// Helper classes for common instructions
953//===----------------------------------------------------------------------===//
954
955class MUL_LIT_Common <bits<5> inst> : R600_3OP <
956 inst, "MUL_LIT",
957 []
958>;
959
960class MULADD_Common <bits<5> inst> : R600_3OP <
961 inst, "MULADD",
962 [(set (f32 R600_Reg32:$dst),
963 (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
964>;
965
966class CNDE_Common <bits<5> inst> : R600_3OP <
967 inst, "CNDE",
968 [(set R600_Reg32:$dst,
969 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
970 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
971 COND_EQ))]
972>;
973
974class CNDGT_Common <bits<5> inst> : R600_3OP <
975 inst, "CNDGT",
976 [(set R600_Reg32:$dst,
977 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
978 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
979 COND_GT))]
980>;
981
982class CNDGE_Common <bits<5> inst> : R600_3OP <
983 inst, "CNDGE",
984 [(set R600_Reg32:$dst,
985 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
986 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
987 COND_GE))]
988>;
989
990multiclass DOT4_Common <bits<11> inst> {
991
992 def _pseudo : R600_REDUCTION <inst,
993 (ins R600_Reg128:$src0, R600_Reg128:$src1),
994 "DOT4 $dst $src0, $src1",
995 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
996 >;
997
998 def _real : R600_2OP <inst, "DOT4", []>;
999}
1000
1001let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
1002multiclass CUBE_Common <bits<11> inst> {
1003
1004 def _pseudo : InstR600 <
1005 inst,
1006 (outs R600_Reg128:$dst),
1007 (ins R600_Reg128:$src),
1008 "CUBE $dst $src",
1009 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
1010 VecALU
1011 > {
1012 let isPseudo = 1;
1013 }
1014
1015 def _real : R600_2OP <inst, "CUBE", []>;
1016}
1017} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
1018
1019class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
1020 inst, "EXP_IEEE", fexp2
1021>;
1022
1023class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
1024 inst, "FLT_TO_INT", fp_to_sint
1025>;
1026
1027class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
1028 inst, "INT_TO_FLT", sint_to_fp
1029>;
1030
1031class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1032 inst, "FLT_TO_UINT", fp_to_uint
1033>;
1034
1035class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
1036 inst, "UINT_TO_FLT", uint_to_fp
1037>;
1038
1039class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
1040 inst, "LOG_CLAMPED", []
1041>;
1042
1043class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
1044 inst, "LOG_IEEE", flog2
1045>;
1046
1047class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
1048class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
1049class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
1050class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
1051 inst, "MULHI_INT", mulhs
1052>;
1053class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
1054 inst, "MULHI", mulhu
1055>;
1056class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
1057 inst, "MULLO_INT", mul
1058>;
1059class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
1060
1061class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
1062 inst, "RECIP_CLAMPED", []
1063>;
1064
1065class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
1066 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
1067>;
1068
1069class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1070 inst, "RECIP_UINT", AMDGPUurecip
1071>;
1072
1073class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1074 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1075>;
1076
1077class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1078 inst, "RECIPSQRT_IEEE", []
1079>;
1080
1081class SIN_Common <bits<11> inst> : R600_1OP <
1082 inst, "SIN", []>{
1083 let Trig = 1;
1084}
1085
1086class COS_Common <bits<11> inst> : R600_1OP <
1087 inst, "COS", []> {
1088 let Trig = 1;
1089}
1090
1091//===----------------------------------------------------------------------===//
1092// Helper patterns for complex intrinsics
1093//===----------------------------------------------------------------------===//
1094
1095multiclass DIV_Common <InstR600 recip_ieee> {
1096def : Pat<
1097 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
1098 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1099>;
1100
1101def : Pat<
1102 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
1103 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1104>;
1105}
1106
1107class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1108 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1109 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1110>;
1111
1112//===----------------------------------------------------------------------===//
1113// R600 / R700 Instructions
1114//===----------------------------------------------------------------------===//
1115
1116let Predicates = [isR600] in {
1117
1118 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1119 def MULADD_r600 : MULADD_Common<0x10>;
1120 def CNDE_r600 : CNDE_Common<0x18>;
1121 def CNDGT_r600 : CNDGT_Common<0x19>;
1122 def CNDGE_r600 : CNDGE_Common<0x1A>;
1123 defm DOT4_r600 : DOT4_Common<0x50>;
1124 defm CUBE_r600 : CUBE_Common<0x52>;
1125 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1126 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1127 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1128 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1129 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1130 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1131 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1132 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1133 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1134 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1135 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1136 def SIN_r600 : SIN_Common<0x6E>;
1137 def COS_r600 : COS_Common<0x6F>;
1138 def ASHR_r600 : ASHR_Common<0x70>;
1139 def LSHR_r600 : LSHR_Common<0x71>;
1140 def LSHL_r600 : LSHL_Common<0x72>;
1141 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1142 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1143 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1144 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1145 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1146
1147 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
1148 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1149
1150 def : Pat<(fsqrt R600_Reg32:$src),
1151 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1152
1153 def R600_ExportSwz : ExportSwzInst {
1154 let Word1{20-17} = 1; // BURST_COUNT
1155 let Word1{21} = eop;
1156 let Word1{22} = 1; // VALID_PIXEL_MODE
1157 let Word1{30-23} = inst;
1158 let Word1{31} = 1; // BARRIER
1159 }
1160 defm : ExportPattern<R600_ExportSwz, 39>;
1161
1162 def R600_ExportBuf : ExportBufInst {
1163 let Word1{20-17} = 1; // BURST_COUNT
1164 let Word1{21} = eop;
1165 let Word1{22} = 1; // VALID_PIXEL_MODE
1166 let Word1{30-23} = inst;
1167 let Word1{31} = 1; // BARRIER
1168 }
1169 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1170}
1171
1172// Helper pattern for normalizing inputs to triginomic instructions for R700+
1173// cards.
1174class COS_PAT <InstR600 trig> : Pat<
1175 (fcos R600_Reg32:$src),
1176 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1177>;
1178
1179class SIN_PAT <InstR600 trig> : Pat<
1180 (fsin R600_Reg32:$src),
1181 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1182>;
1183
1184//===----------------------------------------------------------------------===//
1185// R700 Only instructions
1186//===----------------------------------------------------------------------===//
1187
1188let Predicates = [isR700] in {
1189 def SIN_r700 : SIN_Common<0x6E>;
1190 def COS_r700 : COS_Common<0x6F>;
1191
1192 // R700 normalizes inputs to SIN/COS the same as EG
1193 def : SIN_PAT <SIN_r700>;
1194 def : COS_PAT <COS_r700>;
1195}
1196
1197//===----------------------------------------------------------------------===//
1198// Evergreen Only instructions
1199//===----------------------------------------------------------------------===//
1200
1201let Predicates = [isEG] in {
1202
1203def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1204defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1205
1206def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1207def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1208def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1209def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1210def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1211def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1212def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1213def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1214def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1215def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1216def SIN_eg : SIN_Common<0x8D>;
1217def COS_eg : COS_Common<0x8E>;
1218
1219def : SIN_PAT <SIN_eg>;
1220def : COS_PAT <COS_eg>;
1221def : Pat<(fsqrt R600_Reg32:$src),
1222 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1223} // End Predicates = [isEG]
1224
1225//===----------------------------------------------------------------------===//
1226// Evergreen / Cayman Instructions
1227//===----------------------------------------------------------------------===//
1228
1229let Predicates = [isEGorCayman] in {
1230
1231 // BFE_UINT - bit_extract, an optimization for mask and shift
1232 // Src0 = Input
1233 // Src1 = Offset
1234 // Src2 = Width
1235 //
1236 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1237 //
1238 // Example Usage:
1239 // (Offset, Width)
1240 //
1241 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1242 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1243 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1244 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1245 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1246 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1247 R600_Reg32:$src1,
1248 R600_Reg32:$src2))],
1249 VecALU
1250 >;
1251
1252 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1253 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1254 R600_Reg32:$src2))],
1255 VecALU
1256 >;
1257
1258 def MULADD_eg : MULADD_Common<0x14>;
1259 def ASHR_eg : ASHR_Common<0x15>;
1260 def LSHR_eg : LSHR_Common<0x16>;
1261 def LSHL_eg : LSHL_Common<0x17>;
1262 def CNDE_eg : CNDE_Common<0x19>;
1263 def CNDGT_eg : CNDGT_Common<0x1A>;
1264 def CNDGE_eg : CNDGE_Common<0x1B>;
1265 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1266 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1267 defm DOT4_eg : DOT4_Common<0xBE>;
1268 defm CUBE_eg : CUBE_Common<0xC0>;
1269
Tom Stellardc0b0c672013-02-06 17:32:29 +00001270let hasSideEffects = 1 in {
1271 def MOVA_INT_eg : R600_1OP <0xCC, "MOVA_INT", []>;
1272}
1273
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001274 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1275
1276 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1277 let Pattern = [];
1278 }
1279
1280 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1281
1282 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1283 let Pattern = [];
1284 }
1285
1286 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1287
1288 // TRUNC is used for the FLT_TO_INT instructions to work around a
1289 // perceived problem where the rounding modes are applied differently
1290 // depending on the instruction and the slot they are in.
1291 // See:
1292 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1293 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1294 //
1295 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1296 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1297 // We should look into handling these cases separately.
1298 def : Pat<(fp_to_sint R600_Reg32:$src0),
1299 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1300
1301 def : Pat<(fp_to_uint R600_Reg32:$src0),
1302 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1303
1304 def EG_ExportSwz : ExportSwzInst {
1305 let Word1{19-16} = 1; // BURST_COUNT
1306 let Word1{20} = 1; // VALID_PIXEL_MODE
1307 let Word1{21} = eop;
1308 let Word1{29-22} = inst;
1309 let Word1{30} = 0; // MARK
1310 let Word1{31} = 1; // BARRIER
1311 }
1312 defm : ExportPattern<EG_ExportSwz, 83>;
1313
1314 def EG_ExportBuf : ExportBufInst {
1315 let Word1{19-16} = 1; // BURST_COUNT
1316 let Word1{20} = 1; // VALID_PIXEL_MODE
1317 let Word1{21} = eop;
1318 let Word1{29-22} = inst;
1319 let Word1{30} = 0; // MARK
1320 let Word1{31} = 1; // BARRIER
1321 }
1322 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1323
1324//===----------------------------------------------------------------------===//
1325// Memory read/write instructions
1326//===----------------------------------------------------------------------===//
1327let usesCustomInserter = 1 in {
1328
1329class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1330 list<dag> pattern>
1331 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1332 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1333 let RIM = 0;
1334 // XXX: Have a separate instruction for non-indexed writes.
1335 let TYPE = 1;
1336 let RW_REL = 0;
1337 let ELEM_SIZE = 0;
1338
1339 let ARRAY_SIZE = 0;
1340 let COMP_MASK = comp_mask;
1341 let BURST_COUNT = 0;
1342 let VPM = 0;
1343 let MARK = 0;
1344 let BARRIER = 1;
1345}
1346
1347} // End usesCustomInserter = 1
1348
1349// 32-bit store
1350def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1351 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1352 0x1, "RAT_WRITE_CACHELESS_32_eg",
1353 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1354>;
1355
1356//128-bit store
1357def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1358 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1359 0xf, "RAT_WRITE_CACHELESS_128",
1360 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1361>;
1362
1363class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
Tom Stellard80537b92013-01-23 02:09:01 +00001364 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1365 VTX_WORD1_GPR, VTX_WORD0 {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001366
1367 // Static fields
Tom Stellard80537b92013-01-23 02:09:01 +00001368 let VC_INST = 0;
1369 let FETCH_TYPE = 2;
1370 let FETCH_WHOLE_QUAD = 0;
1371 let BUFFER_ID = buffer_id;
1372 let SRC_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001373 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1374 // to store vertex addresses in any channel, not just X.
Tom Stellard80537b92013-01-23 02:09:01 +00001375 let SRC_SEL_X = 0;
1376 let DST_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001377 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1378 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1379 // however, based on my testing if USE_CONST_FIELDS is set, then all
1380 // these fields need to be set to 0.
Tom Stellard80537b92013-01-23 02:09:01 +00001381 let USE_CONST_FIELDS = 0;
1382 let NUM_FORMAT_ALL = 1;
1383 let FORMAT_COMP_ALL = 0;
1384 let SRF_MODE_ALL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001385
Tom Stellard80537b92013-01-23 02:09:01 +00001386 let Inst{31-0} = Word0;
1387 let Inst{63-32} = Word1;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001388 // LLVM can only encode 64-bit instructions, so these fields are manually
1389 // encoded in R600CodeEmitter
1390 //
1391 // bits<16> OFFSET;
1392 // bits<2> ENDIAN_SWAP = 0;
1393 // bits<1> CONST_BUF_NO_STRIDE = 0;
1394 // bits<1> MEGA_FETCH = 0;
1395 // bits<1> ALT_CONST = 0;
1396 // bits<2> BUFFER_INDEX_MODE = 0;
1397
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001398
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001399
1400 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1401 // is done in R600CodeEmitter
1402 //
1403 // Inst{79-64} = OFFSET;
1404 // Inst{81-80} = ENDIAN_SWAP;
1405 // Inst{82} = CONST_BUF_NO_STRIDE;
1406 // Inst{83} = MEGA_FETCH;
1407 // Inst{84} = ALT_CONST;
1408 // Inst{86-85} = BUFFER_INDEX_MODE;
1409 // Inst{95-86} = 0; Reserved
1410
1411 // VTX_WORD3 (Padding)
1412 //
1413 // Inst{127-96} = 0;
1414}
1415
1416class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1417 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1418 pattern> {
1419
1420 let MEGA_FETCH_COUNT = 1;
1421 let DST_SEL_X = 0;
1422 let DST_SEL_Y = 7; // Masked
1423 let DST_SEL_Z = 7; // Masked
1424 let DST_SEL_W = 7; // Masked
1425 let DATA_FORMAT = 1; // FMT_8
1426}
1427
1428class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1429 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1430 pattern> {
1431 let MEGA_FETCH_COUNT = 2;
1432 let DST_SEL_X = 0;
1433 let DST_SEL_Y = 7; // Masked
1434 let DST_SEL_Z = 7; // Masked
1435 let DST_SEL_W = 7; // Masked
1436 let DATA_FORMAT = 5; // FMT_16
1437
1438}
1439
1440class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1441 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1442 pattern> {
1443
1444 let MEGA_FETCH_COUNT = 4;
1445 let DST_SEL_X = 0;
1446 let DST_SEL_Y = 7; // Masked
1447 let DST_SEL_Z = 7; // Masked
1448 let DST_SEL_W = 7; // Masked
1449 let DATA_FORMAT = 0xD; // COLOR_32
1450
1451 // This is not really necessary, but there were some GPU hangs that appeared
1452 // to be caused by ALU instructions in the next instruction group that wrote
1453 // to the $ptr registers of the VTX_READ.
1454 // e.g.
1455 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1456 // %T2_X<def> = MOV %ZERO
1457 //Adding this constraint prevents this from happening.
1458 let Constraints = "$ptr.ptr = $dst";
1459}
1460
1461class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1462 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1463 pattern> {
1464
1465 let MEGA_FETCH_COUNT = 16;
1466 let DST_SEL_X = 0;
1467 let DST_SEL_Y = 1;
1468 let DST_SEL_Z = 2;
1469 let DST_SEL_W = 3;
1470 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1471
1472 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1473 // that holds its buffer address to avoid potential hangs. We can't use
1474 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1475 // registers are different sizes.
1476}
1477
1478//===----------------------------------------------------------------------===//
1479// VTX Read from parameter memory space
1480//===----------------------------------------------------------------------===//
1481
1482def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1483 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1484>;
1485
1486def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1487 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1488>;
1489
1490def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1491 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1492>;
1493
1494//===----------------------------------------------------------------------===//
1495// VTX Read from global memory space
1496//===----------------------------------------------------------------------===//
1497
1498// 8-bit reads
1499def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1500 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1501>;
1502
1503// 32-bit reads
1504def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1505 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1506>;
1507
1508// 128-bit reads
1509def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1510 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1511>;
1512
1513//===----------------------------------------------------------------------===//
1514// Constant Loads
1515// XXX: We are currently storing all constants in the global address space.
1516//===----------------------------------------------------------------------===//
1517
1518def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1519 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1520>;
1521
1522}
1523
Tom Stellardc0b0c672013-02-06 17:32:29 +00001524//===----------------------------------------------------------------------===//
1525// Regist loads and stores - for indirect addressing
1526//===----------------------------------------------------------------------===//
1527
1528defm R600_ : RegisterLoadStore <R600_Reg32, FRAMEri, ADDRIndirect>;
1529
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001530let Predicates = [isCayman] in {
1531
1532let isVector = 1 in {
1533
1534def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1535
1536def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1537def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1538def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1539def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1540def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1541def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
1542def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
1543def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1544def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1545def SIN_cm : SIN_Common<0x8D>;
1546def COS_cm : COS_Common<0x8E>;
1547} // End isVector = 1
1548
1549def : SIN_PAT <SIN_cm>;
1550def : COS_PAT <COS_cm>;
1551
1552defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1553
1554// RECIP_UINT emulation for Cayman
1555def : Pat <
1556 (AMDGPUurecip R600_Reg32:$src0),
1557 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1558 (MOV_IMM_I32 0x4f800000)))
1559>;
1560
1561
1562def : Pat<(fsqrt R600_Reg32:$src),
1563 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1564
1565} // End isCayman
1566
1567//===----------------------------------------------------------------------===//
1568// Branch Instructions
1569//===----------------------------------------------------------------------===//
1570
1571
1572def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1573 "IF_PREDICATE_SET $src", []>;
1574
1575def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1576 "PREDICATED_BREAK $src", []>;
1577
1578//===----------------------------------------------------------------------===//
1579// Pseudo instructions
1580//===----------------------------------------------------------------------===//
1581
1582let isPseudo = 1 in {
1583
1584def PRED_X : InstR600 <
1585 0, (outs R600_Predicate_Bit:$dst),
1586 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1587 "", [], NullALU> {
1588 let FlagOperandIdx = 3;
1589}
1590
1591let isTerminator = 1, isBranch = 1, isBarrier = 1 in {
1592
1593def JUMP : InstR600 <0x10,
1594 (outs),
1595 (ins brtarget:$target, R600_Pred:$p),
1596 "JUMP $target ($p)",
1597 [], AnyALU
1598 >;
1599
1600} // End isTerminator = 1, isBranch = 1, isBarrier = 1
1601
1602let usesCustomInserter = 1 in {
1603
1604let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1605
1606def MASK_WRITE : AMDGPUShaderInst <
1607 (outs),
1608 (ins R600_Reg32:$src),
1609 "MASK_WRITE $src",
1610 []
1611>;
1612
1613} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1614
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001615
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001616def TXD: AMDGPUShaderInst <
1617 (outs R600_Reg128:$dst),
1618 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1619 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1620 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1621>;
1622
1623def TXD_SHADOW: AMDGPUShaderInst <
1624 (outs R600_Reg128:$dst),
1625 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1626 "TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1627 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
1628>;
1629
1630} // End isPseudo = 1
1631} // End usesCustomInserter = 1
1632
1633def CLAMP_R600 : CLAMP <R600_Reg32>;
1634def FABS_R600 : FABS<R600_Reg32>;
1635def FNEG_R600 : FNEG<R600_Reg32>;
1636
1637//===---------------------------------------------------------------------===//
1638// Return instruction
1639//===---------------------------------------------------------------------===//
Jakob Stoklund Olesena499d2b2013-02-05 17:53:52 +00001640let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1,
1641 usesCustomInserter = 1 in {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001642 def RETURN : ILFormat<(outs), (ins variable_ops),
1643 "RETURN", [(IL_retflag)]>;
1644}
1645
Tom Stellard9f7818d2013-01-23 02:09:06 +00001646
1647//===----------------------------------------------------------------------===//
1648// Constant Buffer Addressing Support
1649//===----------------------------------------------------------------------===//
1650
1651let isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU" in {
1652def CONST_COPY : Instruction {
1653 let OutOperandList = (outs R600_Reg32:$dst);
1654 let InOperandList = (ins i32imm:$src);
1655 let Pattern = [(set R600_Reg32:$dst, (CONST_ADDRESS ADDRGA_CONST_OFFSET:$src))];
1656 let AsmString = "CONST_COPY";
1657 let neverHasSideEffects = 1;
1658 let isAsCheapAsAMove = 1;
1659 let Itinerary = NullALU;
1660}
1661} // end isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU"
1662
1663def TEX_VTX_CONSTBUF :
1664 InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr), "VTX_READ_eg $dst, $ptr",
1665 [(set R600_Reg128:$dst, (CONST_ADDRESS ADDRGA_VAR_OFFSET:$ptr))]>,
1666 VTX_WORD1_GPR, VTX_WORD0 {
1667
1668 let VC_INST = 0;
1669 let FETCH_TYPE = 2;
1670 let FETCH_WHOLE_QUAD = 0;
1671 let BUFFER_ID = 0;
1672 let SRC_REL = 0;
1673 let SRC_SEL_X = 0;
1674 let DST_REL = 0;
1675 let USE_CONST_FIELDS = 0;
1676 let NUM_FORMAT_ALL = 2;
1677 let FORMAT_COMP_ALL = 1;
1678 let SRF_MODE_ALL = 1;
1679 let MEGA_FETCH_COUNT = 16;
1680 let DST_SEL_X = 0;
1681 let DST_SEL_Y = 1;
1682 let DST_SEL_Z = 2;
1683 let DST_SEL_W = 3;
1684 let DATA_FORMAT = 35;
1685
1686 let Inst{31-0} = Word0;
1687 let Inst{63-32} = Word1;
1688
1689// LLVM can only encode 64-bit instructions, so these fields are manually
1690// encoded in R600CodeEmitter
1691//
1692// bits<16> OFFSET;
1693// bits<2> ENDIAN_SWAP = 0;
1694// bits<1> CONST_BUF_NO_STRIDE = 0;
1695// bits<1> MEGA_FETCH = 0;
1696// bits<1> ALT_CONST = 0;
1697// bits<2> BUFFER_INDEX_MODE = 0;
1698
1699
1700
1701// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1702// is done in R600CodeEmitter
1703//
1704// Inst{79-64} = OFFSET;
1705// Inst{81-80} = ENDIAN_SWAP;
1706// Inst{82} = CONST_BUF_NO_STRIDE;
1707// Inst{83} = MEGA_FETCH;
1708// Inst{84} = ALT_CONST;
1709// Inst{86-85} = BUFFER_INDEX_MODE;
1710// Inst{95-86} = 0; Reserved
1711
1712// VTX_WORD3 (Padding)
1713//
1714// Inst{127-96} = 0;
1715}
1716
1717
Tom Stellard6b7d99d2012-12-19 22:10:31 +00001718//===--------------------------------------------------------------------===//
1719// Instructions support
1720//===--------------------------------------------------------------------===//
1721//===---------------------------------------------------------------------===//
1722// Custom Inserter for Branches and returns, this eventually will be a
1723// seperate pass
1724//===---------------------------------------------------------------------===//
1725let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1726 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1727 "; Pseudo unconditional branch instruction",
1728 [(br bb:$target)]>;
1729 defm BRANCH_COND : BranchConditional<IL_brcond>;
1730}
1731
1732//===---------------------------------------------------------------------===//
1733// Flow and Program control Instructions
1734//===---------------------------------------------------------------------===//
1735let isTerminator=1 in {
1736 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1737 !strconcat("SWITCH", " $src"), []>;
1738 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1739 !strconcat("CASE", " $src"), []>;
1740 def BREAK : ILFormat< (outs), (ins),
1741 "BREAK", []>;
1742 def CONTINUE : ILFormat< (outs), (ins),
1743 "CONTINUE", []>;
1744 def DEFAULT : ILFormat< (outs), (ins),
1745 "DEFAULT", []>;
1746 def ELSE : ILFormat< (outs), (ins),
1747 "ELSE", []>;
1748 def ENDSWITCH : ILFormat< (outs), (ins),
1749 "ENDSWITCH", []>;
1750 def ENDMAIN : ILFormat< (outs), (ins),
1751 "ENDMAIN", []>;
1752 def END : ILFormat< (outs), (ins),
1753 "END", []>;
1754 def ENDFUNC : ILFormat< (outs), (ins),
1755 "ENDFUNC", []>;
1756 def ENDIF : ILFormat< (outs), (ins),
1757 "ENDIF", []>;
1758 def WHILELOOP : ILFormat< (outs), (ins),
1759 "WHILE", []>;
1760 def ENDLOOP : ILFormat< (outs), (ins),
1761 "ENDLOOP", []>;
1762 def FUNC : ILFormat< (outs), (ins),
1763 "FUNC", []>;
1764 def RETDYN : ILFormat< (outs), (ins),
1765 "RET_DYN", []>;
1766 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1767 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
1768 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1769 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
1770 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1771 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
1772 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1773 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
1774 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1775 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
1776 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1777 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
1778 defm IFC : BranchInstr2<"IFC">;
1779 defm BREAKC : BranchInstr2<"BREAKC">;
1780 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
1781}
1782
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001783//===----------------------------------------------------------------------===//
1784// ISel Patterns
1785//===----------------------------------------------------------------------===//
1786
1787//CNDGE_INT extra pattern
1788def : Pat <
1789 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
1790 (i32 R600_Reg32:$src2), COND_GT),
1791 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
1792>;
1793
1794// KIL Patterns
1795def KILP : Pat <
1796 (int_AMDGPU_kilp),
1797 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
1798>;
1799
1800def KIL : Pat <
1801 (int_AMDGPU_kill R600_Reg32:$src0),
1802 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
1803>;
1804
1805// SGT Reverse args
1806def : Pat <
1807 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
1808 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
1809>;
1810
1811// SGE Reverse args
1812def : Pat <
1813 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
1814 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
1815>;
1816
Tom Stellard1234c9b2013-02-07 14:02:35 +00001817// SETGT_DX10 reverse args
1818def : Pat <
1819 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, COND_LT),
1820 (SETGT_DX10 R600_Reg32:$src1, R600_Reg32:$src0)
1821>;
1822
1823// SETGE_DX10 reverse args
1824def : Pat <
1825 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, COND_LE),
1826 (SETGE_DX10 R600_Reg32:$src1, R600_Reg32:$src0)
1827>;
1828
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001829// SETGT_INT reverse args
1830def : Pat <
1831 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
1832 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
1833>;
1834
1835// SETGE_INT reverse args
1836def : Pat <
1837 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
1838 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
1839>;
1840
1841// SETGT_UINT reverse args
1842def : Pat <
1843 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
1844 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1845>;
1846
1847// SETGE_UINT reverse args
1848def : Pat <
1849 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
1850 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1851>;
1852
1853// The next two patterns are special cases for handling 'true if ordered' and
1854// 'true if unordered' conditionals. The assumption here is that the behavior of
1855// SETE and SNE conforms to the Direct3D 10 rules for floating point values
1856// described here:
1857// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
1858// We assume that SETE returns false when one of the operands is NAN and
1859// SNE returns true when on of the operands is NAN
1860
1861//SETE - 'true if ordered'
1862def : Pat <
1863 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
1864 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
1865>;
1866
Tom Stellard1234c9b2013-02-07 14:02:35 +00001867//SETE_DX10 - 'true if ordered'
1868def : Pat <
1869 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETO),
1870 (SETE_DX10 R600_Reg32:$src0, R600_Reg32:$src1)
1871>;
1872
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001873//SNE - 'true if unordered'
1874def : Pat <
1875 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
1876 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
1877>;
1878
Tom Stellard1234c9b2013-02-07 14:02:35 +00001879//SETNE_DX10 - 'true if ordered'
1880def : Pat <
1881 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUO),
1882 (SETNE_DX10 R600_Reg32:$src0, R600_Reg32:$src1)
1883>;
1884
Tom Stellard07b59ba2013-02-07 14:02:37 +00001885def : Extract_Element <f32, v4f32, R600_Reg128, 0, sub0>;
1886def : Extract_Element <f32, v4f32, R600_Reg128, 1, sub1>;
1887def : Extract_Element <f32, v4f32, R600_Reg128, 2, sub2>;
1888def : Extract_Element <f32, v4f32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001889
Tom Stellard07b59ba2013-02-07 14:02:37 +00001890def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sub0>;
1891def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sub1>;
1892def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sub2>;
1893def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001894
Tom Stellard07b59ba2013-02-07 14:02:37 +00001895def : Extract_Element <i32, v4i32, R600_Reg128, 0, sub0>;
1896def : Extract_Element <i32, v4i32, R600_Reg128, 1, sub1>;
1897def : Extract_Element <i32, v4i32, R600_Reg128, 2, sub2>;
1898def : Extract_Element <i32, v4i32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001899
Tom Stellard07b59ba2013-02-07 14:02:37 +00001900def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sub0>;
1901def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sub1>;
1902def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sub2>;
1903def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001904
1905def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
1906def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
1907
1908// bitconvert patterns
1909
1910def : BitConvert <i32, f32, R600_Reg32>;
1911def : BitConvert <f32, i32, R600_Reg32>;
1912def : BitConvert <v4f32, v4i32, R600_Reg128>;
1913def : BitConvert <v4i32, v4f32, R600_Reg128>;
1914
1915// DWORDADDR pattern
1916def : DwordAddrPat <i32, R600_Reg32>;
1917
1918} // End isR600toCayman Predicate