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Tom Stellard75aadc22012-12-11 21:25:42 +00001//===-- R600Instructions.td - R600 Instruction defs -------*- tablegen -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// R600 Tablegen instruction definitions
11//
12//===----------------------------------------------------------------------===//
13
14include "R600Intrinsics.td"
15
16class InstR600 <bits<11> inst, dag outs, dag ins, string asm, list<dag> pattern,
17 InstrItinClass itin>
18 : AMDGPUInst <outs, ins, asm, pattern> {
19
20 field bits<64> Inst;
21 bit Trig = 0;
22 bit Op3 = 0;
23 bit isVector = 0;
24 bits<2> FlagOperandIdx = 0;
25 bit Op1 = 0;
26 bit Op2 = 0;
27 bit HasNativeOperands = 0;
28
29 bits<11> op_code = inst;
30 //let Inst = inst;
31 let Namespace = "AMDGPU";
32 let OutOperandList = outs;
33 let InOperandList = ins;
34 let AsmString = asm;
35 let Pattern = pattern;
36 let Itinerary = itin;
37
38 let TSFlags{4} = Trig;
39 let TSFlags{5} = Op3;
40
41 // Vector instructions are instructions that must fill all slots in an
42 // instruction group
43 let TSFlags{6} = isVector;
44 let TSFlags{8-7} = FlagOperandIdx;
45 let TSFlags{9} = HasNativeOperands;
46 let TSFlags{10} = Op1;
47 let TSFlags{11} = Op2;
48}
49
50class InstR600ISA <dag outs, dag ins, string asm, list<dag> pattern> :
51 AMDGPUInst <outs, ins, asm, pattern> {
52 field bits<64> Inst;
53
54 let Namespace = "AMDGPU";
55}
56
57def MEMxi : Operand<iPTR> {
58 let MIOperandInfo = (ops R600_TReg32_X:$ptr, i32imm:$index);
59 let PrintMethod = "printMemOperand";
60}
61
62def MEMrr : Operand<iPTR> {
63 let MIOperandInfo = (ops R600_Reg32:$ptr, R600_Reg32:$index);
64}
65
66// Operands for non-registers
67
68class InstFlag<string PM = "printOperand", int Default = 0>
69 : OperandWithDefaultOps <i32, (ops (i32 Default))> {
70 let PrintMethod = PM;
71}
72
Tom Stellard365366f2013-01-23 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 Stellard75aadc22012-12-11 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 Stellardf3b2a1e2013-02-06 17:32:29 +000094def FRAMEri : Operand<iPTR> {
95 let MIOperandInfo = (ops R600_Reg32:$ptr, i32imm:$index);
96}
97
Tom Stellard75aadc22012-12-11 21:25:42 +000098def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
99def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
100def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;
Tom Stellard365366f2013-01-23 02:09:06 +0000101def ADDRGA_CONST_OFFSET : ComplexPattern<i32, 1, "SelectGlobalValueConstantOffset", [], []>;
102def ADDRGA_VAR_OFFSET : ComplexPattern<i32, 2, "SelectGlobalValueVariableOffset", [], []>;
Tom Stellardf3b2a1e2013-02-06 17:32:29 +0000103def ADDRIndirect : ComplexPattern<iPTR, 2, "SelectADDRIndirect", [], []>;
Tom Stellard75aadc22012-12-11 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 Stellardab28e9a2013-01-23 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 Stellard75aadc22012-12-11 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 Stellard365366f2013-01-23 02:09:06 +0000278 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
Tom Stellard75aadc22012-12-11 21:25:42 +0000279 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
280 !strconcat(opName,
281 "$clamp $dst$write$dst_rel$omod, "
Tom Stellard365366f2013-01-23 02:09:06 +0000282 "$src0_neg$src0_abs$src0$src0_sel$src0_abs$src0_rel, "
Tom Stellard75aadc22012-12-11 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 Stellard365366f2013-01-23 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 Stellard75aadc22012-12-11 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 Stellard365366f2013-01-23 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 Stellard75aadc22012-12-11 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:$clamp,
Tom Stellard365366f2013-01-23 02:09:06 +0000355 R600_Reg32:$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:$src2_sel,
Tom Stellard75aadc22012-12-11 21:25:42 +0000358 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
359 !strconcat(opName, "$clamp $dst$dst_rel, "
Tom Stellard365366f2013-01-23 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 Stellard75aadc22012-12-11 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, $textureTarget"),
392 pattern,
393 itin>{
394 let Inst {10-0} = inst;
395 }
396
397} // End mayLoad = 1, mayStore = 0, hasSideEffects = 0
398
399def TEX_SHADOW : PatLeaf<
400 (imm),
401 [{uint32_t TType = (uint32_t)N->getZExtValue();
Tom Stellard4fa7ac22012-12-21 20:11:59 +0000402 return (TType >= 6 && TType <= 8) || (TType >= 11 && TType <= 13);
Tom Stellard75aadc22012-12-11 21:25:42 +0000403 }]
404>;
405
Tom Stellardc9b90312013-01-21 15:40:48 +0000406def TEX_RECT : PatLeaf<
407 (imm),
408 [{uint32_t TType = (uint32_t)N->getZExtValue();
409 return TType == 5;
410 }]
411>;
412
Tom Stellard75aadc22012-12-11 21:25:42 +0000413class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
414 dag ins, string asm, list<dag> pattern> :
415 InstR600ISA <outs, ins, asm, pattern> {
416 bits<7> RW_GPR;
417 bits<7> INDEX_GPR;
418
419 bits<2> RIM;
420 bits<2> TYPE;
421 bits<1> RW_REL;
422 bits<2> ELEM_SIZE;
423
424 bits<12> ARRAY_SIZE;
425 bits<4> COMP_MASK;
426 bits<4> BURST_COUNT;
427 bits<1> VPM;
428 bits<1> eop;
429 bits<1> MARK;
430 bits<1> BARRIER;
431
432 // CF_ALLOC_EXPORT_WORD0_RAT
433 let Inst{3-0} = rat_id;
434 let Inst{9-4} = rat_inst;
435 let Inst{10} = 0; // Reserved
436 let Inst{12-11} = RIM;
437 let Inst{14-13} = TYPE;
438 let Inst{21-15} = RW_GPR;
439 let Inst{22} = RW_REL;
440 let Inst{29-23} = INDEX_GPR;
441 let Inst{31-30} = ELEM_SIZE;
442
443 // CF_ALLOC_EXPORT_WORD1_BUF
444 let Inst{43-32} = ARRAY_SIZE;
445 let Inst{47-44} = COMP_MASK;
446 let Inst{51-48} = BURST_COUNT;
447 let Inst{52} = VPM;
448 let Inst{53} = eop;
449 let Inst{61-54} = cf_inst;
450 let Inst{62} = MARK;
451 let Inst{63} = BARRIER;
452}
453
454class LoadParamFrag <PatFrag load_type> : PatFrag <
455 (ops node:$ptr), (load_type node:$ptr),
456 [{ return isParamLoad(dyn_cast<LoadSDNode>(N)); }]
457>;
458
459def load_param : LoadParamFrag<load>;
460def load_param_zexti8 : LoadParamFrag<zextloadi8>;
461def load_param_zexti16 : LoadParamFrag<zextloadi16>;
462
463def isR600 : Predicate<"Subtarget.device()"
464 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
465def isR700 : Predicate<"Subtarget.device()"
466 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
467 "Subtarget.device()->getDeviceFlag()"
468 ">= OCL_DEVICE_RV710">;
469def isEG : Predicate<
470 "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
471 "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
472 "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;
473
474def isCayman : Predicate<"Subtarget.device()"
475 "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
476def isEGorCayman : Predicate<"Subtarget.device()"
477 "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
478 "|| Subtarget.device()->getGeneration() =="
479 "AMDGPUDeviceInfo::HD6XXX">;
480
481def isR600toCayman : Predicate<
482 "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;
483
484//===----------------------------------------------------------------------===//
Tom Stellardff62c352013-01-23 02:09:03 +0000485// R600 SDNodes
Tom Stellard75aadc22012-12-11 21:25:42 +0000486//===----------------------------------------------------------------------===//
487
Tom Stellard41afe6a2013-02-05 17:09:14 +0000488def INTERP_PAIR_XY : AMDGPUShaderInst <
489 (outs R600_TReg32_X:$dst0, R600_TReg32_Y:$dst1),
490 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
491 "INTERP_PAIR_XY $src0 $src1 $src2 : $dst0 dst1",
492 []>;
Tom Stellard75aadc22012-12-11 21:25:42 +0000493
Tom Stellard41afe6a2013-02-05 17:09:14 +0000494def INTERP_PAIR_ZW : AMDGPUShaderInst <
495 (outs R600_TReg32_Z:$dst0, R600_TReg32_W:$dst1),
496 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
497 "INTERP_PAIR_ZW $src0 $src1 $src2 : $dst0 dst1",
498 []>;
Tom Stellard75aadc22012-12-11 21:25:42 +0000499
Tom Stellardff62c352013-01-23 02:09:03 +0000500def CONST_ADDRESS: SDNode<"AMDGPUISD::CONST_ADDRESS",
Tom Stellard365366f2013-01-23 02:09:06 +0000501 SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>,
Tom Stellardff62c352013-01-23 02:09:03 +0000502 [SDNPMayLoad]
503>;
504
505//===----------------------------------------------------------------------===//
506// Interpolation Instructions
507//===----------------------------------------------------------------------===//
508
Tom Stellard41afe6a2013-02-05 17:09:14 +0000509def INTERP_VEC_LOAD : AMDGPUShaderInst <
Tom Stellard75aadc22012-12-11 21:25:42 +0000510 (outs R600_Reg128:$dst),
Tom Stellard41afe6a2013-02-05 17:09:14 +0000511 (ins i32imm:$src0),
512 "INTERP_LOAD $src0 : $dst",
513 []>;
Tom Stellard75aadc22012-12-11 21:25:42 +0000514
515def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
516 let bank_swizzle = 5;
517}
518
519def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
520 let bank_swizzle = 5;
521}
522
523def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
524
525//===----------------------------------------------------------------------===//
526// Export Instructions
527//===----------------------------------------------------------------------===//
528
529def ExportType : SDTypeProfile<0, 5, [SDTCisFP<0>, SDTCisInt<1>]>;
530
531def EXPORT: SDNode<"AMDGPUISD::EXPORT", ExportType,
532 [SDNPHasChain, SDNPSideEffect]>;
533
534class ExportWord0 {
535 field bits<32> Word0;
536
537 bits<13> arraybase;
538 bits<2> type;
539 bits<7> gpr;
540 bits<2> elem_size;
541
542 let Word0{12-0} = arraybase;
543 let Word0{14-13} = type;
544 let Word0{21-15} = gpr;
545 let Word0{22} = 0; // RW_REL
546 let Word0{29-23} = 0; // INDEX_GPR
547 let Word0{31-30} = elem_size;
548}
549
550class ExportSwzWord1 {
551 field bits<32> Word1;
552
553 bits<3> sw_x;
554 bits<3> sw_y;
555 bits<3> sw_z;
556 bits<3> sw_w;
557 bits<1> eop;
558 bits<8> inst;
559
560 let Word1{2-0} = sw_x;
561 let Word1{5-3} = sw_y;
562 let Word1{8-6} = sw_z;
563 let Word1{11-9} = sw_w;
564}
565
566class ExportBufWord1 {
567 field bits<32> Word1;
568
569 bits<12> arraySize;
570 bits<4> compMask;
571 bits<1> eop;
572 bits<8> inst;
573
574 let Word1{11-0} = arraySize;
575 let Word1{15-12} = compMask;
576}
577
578multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
579 def : Pat<(int_R600_store_pixel_depth R600_Reg32:$reg),
580 (ExportInst
581 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
582 0, 61, 0, 7, 7, 7, cf_inst, 0)
583 >;
584
585 def : Pat<(int_R600_store_pixel_stencil R600_Reg32:$reg),
586 (ExportInst
587 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
588 0, 61, 7, 0, 7, 7, cf_inst, 0)
589 >;
590
Tom Stellardaf1bce72013-01-31 22:11:46 +0000591 def : Pat<(int_R600_store_dummy (i32 imm:$type)),
Tom Stellard75aadc22012-12-11 21:25:42 +0000592 (ExportInst
Tom Stellardaf1bce72013-01-31 22:11:46 +0000593 (v4f32 (IMPLICIT_DEF)), imm:$type, 0, 7, 7, 7, 7, cf_inst, 0)
594 >;
595
596 def : Pat<(int_R600_store_dummy 1),
597 (ExportInst
598 (v4f32 (IMPLICIT_DEF)), 1, 60, 7, 7, 7, 7, cf_inst, 0)
Tom Stellard75aadc22012-12-11 21:25:42 +0000599 >;
600
601 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 0),
602 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
603 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
604 0, 1, 2, 3, cf_inst, 0)
605 >;
Tom Stellard6f1b8652013-01-23 21:39:49 +0000606 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 1),
607 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
608 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
609 0, 1, 2, 3, cf_inst, 0)
610 >;
611
612 def : Pat<(int_R600_store_swizzle (v4f32 R600_Reg128:$src), imm:$arraybase,
613 imm:$type),
614 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
615 0, 1, 2, 3, cf_inst, 0)
616 >;
Tom Stellard75aadc22012-12-11 21:25:42 +0000617}
618
619multiclass SteamOutputExportPattern<Instruction ExportInst,
620 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
621// Stream0
Tom Stellardd8ac91d2013-01-23 21:39:47 +0000622 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
623 (i32 imm:$arraybase), (i32 0), (i32 imm:$mask)),
624 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellard75aadc22012-12-11 21:25:42 +0000625 4095, imm:$mask, buf0inst, 0)>;
626// Stream1
Tom Stellardd8ac91d2013-01-23 21:39:47 +0000627 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
628 (i32 imm:$arraybase), (i32 1), (i32 imm:$mask)),
629 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellard75aadc22012-12-11 21:25:42 +0000630 4095, imm:$mask, buf1inst, 0)>;
631// Stream2
Tom Stellardd8ac91d2013-01-23 21:39:47 +0000632 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
633 (i32 imm:$arraybase), (i32 2), (i32 imm:$mask)),
634 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellard75aadc22012-12-11 21:25:42 +0000635 4095, imm:$mask, buf2inst, 0)>;
636// Stream3
Tom Stellardd8ac91d2013-01-23 21:39:47 +0000637 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
638 (i32 imm:$arraybase), (i32 3), (i32 imm:$mask)),
639 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellard75aadc22012-12-11 21:25:42 +0000640 4095, imm:$mask, buf3inst, 0)>;
641}
642
643let isTerminator = 1, usesCustomInserter = 1 in {
644
645class ExportSwzInst : InstR600ISA<(
646 outs),
647 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
648 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
649 i32imm:$eop),
650 !strconcat("EXPORT", " $gpr"),
651 []>, ExportWord0, ExportSwzWord1 {
652 let elem_size = 3;
653 let Inst{31-0} = Word0;
654 let Inst{63-32} = Word1;
655}
656
657} // End isTerminator = 1, usesCustomInserter = 1
658
659class ExportBufInst : InstR600ISA<(
660 outs),
661 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
662 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
663 !strconcat("EXPORT", " $gpr"),
664 []>, ExportWord0, ExportBufWord1 {
665 let elem_size = 0;
666 let Inst{31-0} = Word0;
667 let Inst{63-32} = Word1;
668}
669
670let Predicates = [isR600toCayman] in {
671
672//===----------------------------------------------------------------------===//
673// Common Instructions R600, R700, Evergreen, Cayman
674//===----------------------------------------------------------------------===//
675
676def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
677// Non-IEEE MUL: 0 * anything = 0
678def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
679def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
680def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
681def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
682
683// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
684// so some of the instruction names don't match the asm string.
685// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
686def SETE : R600_2OP <
687 0x08, "SETE",
688 [(set R600_Reg32:$dst,
689 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
690 COND_EQ))]
691>;
692
693def SGT : R600_2OP <
694 0x09, "SETGT",
695 [(set R600_Reg32:$dst,
696 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
697 COND_GT))]
698>;
699
700def SGE : R600_2OP <
701 0xA, "SETGE",
702 [(set R600_Reg32:$dst,
703 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
704 COND_GE))]
705>;
706
707def SNE : R600_2OP <
708 0xB, "SETNE",
709 [(set R600_Reg32:$dst,
710 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
711 COND_NE))]
712>;
713
714def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
715def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
716def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
717def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
718def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
719
720def MOV : R600_1OP <0x19, "MOV", []>;
721
722let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
723
724class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
725 (outs R600_Reg32:$dst),
726 (ins immType:$imm),
727 "",
728 []
729>;
730
731} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
732
733def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
734def : Pat <
735 (imm:$val),
736 (MOV_IMM_I32 imm:$val)
737>;
738
739def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
740def : Pat <
741 (fpimm:$val),
742 (MOV_IMM_F32 fpimm:$val)
743>;
744
745def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
746def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
747def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
748def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
749
750let hasSideEffects = 1 in {
751
752def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
753
754} // end hasSideEffects
755
756def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
757def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
758def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
759def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
760def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
761def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
762def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
763def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
Tom Stellard41398022012-12-21 20:12:01 +0000764def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
Tom Stellard75aadc22012-12-11 21:25:42 +0000765def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
766
767def SETE_INT : R600_2OP <
768 0x3A, "SETE_INT",
769 [(set (i32 R600_Reg32:$dst),
770 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
771>;
772
773def SETGT_INT : R600_2OP <
774 0x3B, "SGT_INT",
775 [(set (i32 R600_Reg32:$dst),
776 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
777>;
778
779def SETGE_INT : R600_2OP <
780 0x3C, "SETGE_INT",
781 [(set (i32 R600_Reg32:$dst),
782 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
783>;
784
785def SETNE_INT : R600_2OP <
786 0x3D, "SETNE_INT",
787 [(set (i32 R600_Reg32:$dst),
788 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
789>;
790
791def SETGT_UINT : R600_2OP <
792 0x3E, "SETGT_UINT",
793 [(set (i32 R600_Reg32:$dst),
794 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
795>;
796
797def SETGE_UINT : R600_2OP <
798 0x3F, "SETGE_UINT",
799 [(set (i32 R600_Reg32:$dst),
800 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
801>;
802
803def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
804def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
805def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
806def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
807
808def CNDE_INT : R600_3OP <
809 0x1C, "CNDE_INT",
810 [(set (i32 R600_Reg32:$dst),
811 (selectcc (i32 R600_Reg32:$src0), 0,
812 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
813 COND_EQ))]
814>;
815
816def CNDGE_INT : R600_3OP <
817 0x1E, "CNDGE_INT",
818 [(set (i32 R600_Reg32:$dst),
819 (selectcc (i32 R600_Reg32:$src0), 0,
820 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
821 COND_GE))]
822>;
823
824def CNDGT_INT : R600_3OP <
825 0x1D, "CNDGT_INT",
826 [(set (i32 R600_Reg32:$dst),
827 (selectcc (i32 R600_Reg32:$src0), 0,
828 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
829 COND_GT))]
830>;
831
832//===----------------------------------------------------------------------===//
833// Texture instructions
834//===----------------------------------------------------------------------===//
835
836def TEX_LD : R600_TEX <
837 0x03, "TEX_LD",
838 [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
839> {
840let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget";
841let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget);
842}
843
844def TEX_GET_TEXTURE_RESINFO : R600_TEX <
845 0x04, "TEX_GET_TEXTURE_RESINFO",
846 [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
847>;
848
849def TEX_GET_GRADIENTS_H : R600_TEX <
850 0x07, "TEX_GET_GRADIENTS_H",
851 [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
852>;
853
854def TEX_GET_GRADIENTS_V : R600_TEX <
855 0x08, "TEX_GET_GRADIENTS_V",
856 [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
857>;
858
859def TEX_SET_GRADIENTS_H : R600_TEX <
860 0x0B, "TEX_SET_GRADIENTS_H",
861 []
862>;
863
864def TEX_SET_GRADIENTS_V : R600_TEX <
865 0x0C, "TEX_SET_GRADIENTS_V",
866 []
867>;
868
869def TEX_SAMPLE : R600_TEX <
870 0x10, "TEX_SAMPLE",
871 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
872>;
873
874def TEX_SAMPLE_C : R600_TEX <
875 0x18, "TEX_SAMPLE_C",
876 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
877>;
878
879def TEX_SAMPLE_L : R600_TEX <
880 0x11, "TEX_SAMPLE_L",
881 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
882>;
883
884def TEX_SAMPLE_C_L : R600_TEX <
885 0x19, "TEX_SAMPLE_C_L",
886 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
887>;
888
889def TEX_SAMPLE_LB : R600_TEX <
890 0x12, "TEX_SAMPLE_LB",
891 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
892>;
893
894def TEX_SAMPLE_C_LB : R600_TEX <
895 0x1A, "TEX_SAMPLE_C_LB",
896 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
897>;
898
899def TEX_SAMPLE_G : R600_TEX <
900 0x14, "TEX_SAMPLE_G",
901 []
902>;
903
904def TEX_SAMPLE_C_G : R600_TEX <
905 0x1C, "TEX_SAMPLE_C_G",
906 []
907>;
908
909//===----------------------------------------------------------------------===//
910// Helper classes for common instructions
911//===----------------------------------------------------------------------===//
912
913class MUL_LIT_Common <bits<5> inst> : R600_3OP <
914 inst, "MUL_LIT",
915 []
916>;
917
918class MULADD_Common <bits<5> inst> : R600_3OP <
919 inst, "MULADD",
920 [(set (f32 R600_Reg32:$dst),
921 (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
922>;
923
924class CNDE_Common <bits<5> inst> : R600_3OP <
925 inst, "CNDE",
926 [(set R600_Reg32:$dst,
927 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
928 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
929 COND_EQ))]
930>;
931
932class CNDGT_Common <bits<5> inst> : R600_3OP <
933 inst, "CNDGT",
934 [(set R600_Reg32:$dst,
935 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
936 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
937 COND_GT))]
938>;
939
940class CNDGE_Common <bits<5> inst> : R600_3OP <
941 inst, "CNDGE",
942 [(set R600_Reg32:$dst,
943 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
944 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
945 COND_GE))]
946>;
947
948multiclass DOT4_Common <bits<11> inst> {
949
950 def _pseudo : R600_REDUCTION <inst,
951 (ins R600_Reg128:$src0, R600_Reg128:$src1),
952 "DOT4 $dst $src0, $src1",
953 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
954 >;
955
956 def _real : R600_2OP <inst, "DOT4", []>;
957}
958
959let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
960multiclass CUBE_Common <bits<11> inst> {
961
962 def _pseudo : InstR600 <
963 inst,
964 (outs R600_Reg128:$dst),
965 (ins R600_Reg128:$src),
966 "CUBE $dst $src",
967 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
968 VecALU
969 > {
970 let isPseudo = 1;
971 }
972
973 def _real : R600_2OP <inst, "CUBE", []>;
974}
975} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
976
977class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
978 inst, "EXP_IEEE", fexp2
979>;
980
981class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
982 inst, "FLT_TO_INT", fp_to_sint
983>;
984
985class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
986 inst, "INT_TO_FLT", sint_to_fp
987>;
988
989class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
990 inst, "FLT_TO_UINT", fp_to_uint
991>;
992
993class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
994 inst, "UINT_TO_FLT", uint_to_fp
995>;
996
997class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
998 inst, "LOG_CLAMPED", []
999>;
1000
1001class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
1002 inst, "LOG_IEEE", flog2
1003>;
1004
1005class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
1006class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
1007class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
1008class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
1009 inst, "MULHI_INT", mulhs
1010>;
1011class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
1012 inst, "MULHI", mulhu
1013>;
1014class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
1015 inst, "MULLO_INT", mul
1016>;
1017class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
1018
1019class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
1020 inst, "RECIP_CLAMPED", []
1021>;
1022
1023class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
1024 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
1025>;
1026
1027class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1028 inst, "RECIP_UINT", AMDGPUurecip
1029>;
1030
1031class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1032 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1033>;
1034
1035class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1036 inst, "RECIPSQRT_IEEE", []
1037>;
1038
1039class SIN_Common <bits<11> inst> : R600_1OP <
1040 inst, "SIN", []>{
1041 let Trig = 1;
1042}
1043
1044class COS_Common <bits<11> inst> : R600_1OP <
1045 inst, "COS", []> {
1046 let Trig = 1;
1047}
1048
1049//===----------------------------------------------------------------------===//
1050// Helper patterns for complex intrinsics
1051//===----------------------------------------------------------------------===//
1052
1053multiclass DIV_Common <InstR600 recip_ieee> {
1054def : Pat<
1055 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
1056 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1057>;
1058
1059def : Pat<
1060 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
1061 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1062>;
1063}
1064
1065class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1066 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1067 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1068>;
1069
1070//===----------------------------------------------------------------------===//
1071// R600 / R700 Instructions
1072//===----------------------------------------------------------------------===//
1073
1074let Predicates = [isR600] in {
1075
1076 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1077 def MULADD_r600 : MULADD_Common<0x10>;
1078 def CNDE_r600 : CNDE_Common<0x18>;
1079 def CNDGT_r600 : CNDGT_Common<0x19>;
1080 def CNDGE_r600 : CNDGE_Common<0x1A>;
1081 defm DOT4_r600 : DOT4_Common<0x50>;
1082 defm CUBE_r600 : CUBE_Common<0x52>;
1083 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1084 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1085 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1086 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1087 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1088 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1089 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1090 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1091 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1092 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1093 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1094 def SIN_r600 : SIN_Common<0x6E>;
1095 def COS_r600 : COS_Common<0x6F>;
1096 def ASHR_r600 : ASHR_Common<0x70>;
1097 def LSHR_r600 : LSHR_Common<0x71>;
1098 def LSHL_r600 : LSHL_Common<0x72>;
1099 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1100 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1101 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1102 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1103 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1104
1105 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
1106 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1107
1108 def : Pat<(fsqrt R600_Reg32:$src),
1109 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1110
1111 def R600_ExportSwz : ExportSwzInst {
1112 let Word1{20-17} = 1; // BURST_COUNT
1113 let Word1{21} = eop;
1114 let Word1{22} = 1; // VALID_PIXEL_MODE
1115 let Word1{30-23} = inst;
1116 let Word1{31} = 1; // BARRIER
1117 }
1118 defm : ExportPattern<R600_ExportSwz, 39>;
1119
1120 def R600_ExportBuf : ExportBufInst {
1121 let Word1{20-17} = 1; // BURST_COUNT
1122 let Word1{21} = eop;
1123 let Word1{22} = 1; // VALID_PIXEL_MODE
1124 let Word1{30-23} = inst;
1125 let Word1{31} = 1; // BARRIER
1126 }
1127 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1128}
1129
1130// Helper pattern for normalizing inputs to triginomic instructions for R700+
1131// cards.
1132class COS_PAT <InstR600 trig> : Pat<
1133 (fcos R600_Reg32:$src),
1134 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1135>;
1136
1137class SIN_PAT <InstR600 trig> : Pat<
1138 (fsin R600_Reg32:$src),
1139 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1140>;
1141
1142//===----------------------------------------------------------------------===//
1143// R700 Only instructions
1144//===----------------------------------------------------------------------===//
1145
1146let Predicates = [isR700] in {
1147 def SIN_r700 : SIN_Common<0x6E>;
1148 def COS_r700 : COS_Common<0x6F>;
1149
1150 // R700 normalizes inputs to SIN/COS the same as EG
1151 def : SIN_PAT <SIN_r700>;
1152 def : COS_PAT <COS_r700>;
1153}
1154
1155//===----------------------------------------------------------------------===//
1156// Evergreen Only instructions
1157//===----------------------------------------------------------------------===//
1158
1159let Predicates = [isEG] in {
1160
1161def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1162defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1163
1164def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1165def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1166def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1167def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1168def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1169def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1170def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1171def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1172def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1173def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1174def SIN_eg : SIN_Common<0x8D>;
1175def COS_eg : COS_Common<0x8E>;
1176
1177def : SIN_PAT <SIN_eg>;
1178def : COS_PAT <COS_eg>;
1179def : Pat<(fsqrt R600_Reg32:$src),
1180 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1181} // End Predicates = [isEG]
1182
1183//===----------------------------------------------------------------------===//
1184// Evergreen / Cayman Instructions
1185//===----------------------------------------------------------------------===//
1186
1187let Predicates = [isEGorCayman] in {
1188
1189 // BFE_UINT - bit_extract, an optimization for mask and shift
1190 // Src0 = Input
1191 // Src1 = Offset
1192 // Src2 = Width
1193 //
1194 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1195 //
1196 // Example Usage:
1197 // (Offset, Width)
1198 //
1199 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1200 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1201 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1202 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1203 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1204 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1205 R600_Reg32:$src1,
1206 R600_Reg32:$src2))],
1207 VecALU
1208 >;
1209
1210 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1211 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1212 R600_Reg32:$src2))],
1213 VecALU
1214 >;
1215
1216 def MULADD_eg : MULADD_Common<0x14>;
1217 def ASHR_eg : ASHR_Common<0x15>;
1218 def LSHR_eg : LSHR_Common<0x16>;
1219 def LSHL_eg : LSHL_Common<0x17>;
1220 def CNDE_eg : CNDE_Common<0x19>;
1221 def CNDGT_eg : CNDGT_Common<0x1A>;
1222 def CNDGE_eg : CNDGE_Common<0x1B>;
1223 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1224 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1225 defm DOT4_eg : DOT4_Common<0xBE>;
1226 defm CUBE_eg : CUBE_Common<0xC0>;
1227
Tom Stellardf3b2a1e2013-02-06 17:32:29 +00001228let hasSideEffects = 1 in {
1229 def MOVA_INT_eg : R600_1OP <0xCC, "MOVA_INT", []>;
1230}
1231
Tom Stellard75aadc22012-12-11 21:25:42 +00001232 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1233
1234 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1235 let Pattern = [];
1236 }
1237
1238 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1239
1240 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1241 let Pattern = [];
1242 }
1243
1244 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1245
1246 // TRUNC is used for the FLT_TO_INT instructions to work around a
1247 // perceived problem where the rounding modes are applied differently
1248 // depending on the instruction and the slot they are in.
1249 // See:
1250 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1251 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1252 //
1253 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1254 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1255 // We should look into handling these cases separately.
1256 def : Pat<(fp_to_sint R600_Reg32:$src0),
1257 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1258
1259 def : Pat<(fp_to_uint R600_Reg32:$src0),
1260 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1261
1262 def EG_ExportSwz : ExportSwzInst {
1263 let Word1{19-16} = 1; // BURST_COUNT
1264 let Word1{20} = 1; // VALID_PIXEL_MODE
1265 let Word1{21} = eop;
1266 let Word1{29-22} = inst;
1267 let Word1{30} = 0; // MARK
1268 let Word1{31} = 1; // BARRIER
1269 }
1270 defm : ExportPattern<EG_ExportSwz, 83>;
1271
1272 def EG_ExportBuf : ExportBufInst {
1273 let Word1{19-16} = 1; // BURST_COUNT
1274 let Word1{20} = 1; // VALID_PIXEL_MODE
1275 let Word1{21} = eop;
1276 let Word1{29-22} = inst;
1277 let Word1{30} = 0; // MARK
1278 let Word1{31} = 1; // BARRIER
1279 }
1280 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1281
1282//===----------------------------------------------------------------------===//
1283// Memory read/write instructions
1284//===----------------------------------------------------------------------===//
1285let usesCustomInserter = 1 in {
1286
1287class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1288 list<dag> pattern>
1289 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1290 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1291 let RIM = 0;
1292 // XXX: Have a separate instruction for non-indexed writes.
1293 let TYPE = 1;
1294 let RW_REL = 0;
1295 let ELEM_SIZE = 0;
1296
1297 let ARRAY_SIZE = 0;
1298 let COMP_MASK = comp_mask;
1299 let BURST_COUNT = 0;
1300 let VPM = 0;
1301 let MARK = 0;
1302 let BARRIER = 1;
1303}
1304
1305} // End usesCustomInserter = 1
1306
1307// 32-bit store
1308def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1309 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1310 0x1, "RAT_WRITE_CACHELESS_32_eg",
1311 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1312>;
1313
1314//128-bit store
1315def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1316 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1317 0xf, "RAT_WRITE_CACHELESS_128",
1318 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1319>;
1320
1321class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
Tom Stellardab28e9a2013-01-23 02:09:01 +00001322 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1323 VTX_WORD1_GPR, VTX_WORD0 {
Tom Stellard75aadc22012-12-11 21:25:42 +00001324
1325 // Static fields
Tom Stellardab28e9a2013-01-23 02:09:01 +00001326 let VC_INST = 0;
1327 let FETCH_TYPE = 2;
1328 let FETCH_WHOLE_QUAD = 0;
1329 let BUFFER_ID = buffer_id;
1330 let SRC_REL = 0;
Tom Stellard75aadc22012-12-11 21:25:42 +00001331 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1332 // to store vertex addresses in any channel, not just X.
Tom Stellardab28e9a2013-01-23 02:09:01 +00001333 let SRC_SEL_X = 0;
1334 let DST_REL = 0;
Tom Stellard75aadc22012-12-11 21:25:42 +00001335 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1336 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1337 // however, based on my testing if USE_CONST_FIELDS is set, then all
1338 // these fields need to be set to 0.
Tom Stellardab28e9a2013-01-23 02:09:01 +00001339 let USE_CONST_FIELDS = 0;
1340 let NUM_FORMAT_ALL = 1;
1341 let FORMAT_COMP_ALL = 0;
1342 let SRF_MODE_ALL = 0;
Tom Stellard75aadc22012-12-11 21:25:42 +00001343
Tom Stellardab28e9a2013-01-23 02:09:01 +00001344 let Inst{31-0} = Word0;
1345 let Inst{63-32} = Word1;
Tom Stellard75aadc22012-12-11 21:25:42 +00001346 // LLVM can only encode 64-bit instructions, so these fields are manually
1347 // encoded in R600CodeEmitter
1348 //
1349 // bits<16> OFFSET;
1350 // bits<2> ENDIAN_SWAP = 0;
1351 // bits<1> CONST_BUF_NO_STRIDE = 0;
1352 // bits<1> MEGA_FETCH = 0;
1353 // bits<1> ALT_CONST = 0;
1354 // bits<2> BUFFER_INDEX_MODE = 0;
1355
Tom Stellard75aadc22012-12-11 21:25:42 +00001356
Tom Stellard75aadc22012-12-11 21:25:42 +00001357
1358 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1359 // is done in R600CodeEmitter
1360 //
1361 // Inst{79-64} = OFFSET;
1362 // Inst{81-80} = ENDIAN_SWAP;
1363 // Inst{82} = CONST_BUF_NO_STRIDE;
1364 // Inst{83} = MEGA_FETCH;
1365 // Inst{84} = ALT_CONST;
1366 // Inst{86-85} = BUFFER_INDEX_MODE;
1367 // Inst{95-86} = 0; Reserved
1368
1369 // VTX_WORD3 (Padding)
1370 //
1371 // Inst{127-96} = 0;
1372}
1373
1374class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1375 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1376 pattern> {
1377
1378 let MEGA_FETCH_COUNT = 1;
1379 let DST_SEL_X = 0;
1380 let DST_SEL_Y = 7; // Masked
1381 let DST_SEL_Z = 7; // Masked
1382 let DST_SEL_W = 7; // Masked
1383 let DATA_FORMAT = 1; // FMT_8
1384}
1385
1386class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1387 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1388 pattern> {
1389 let MEGA_FETCH_COUNT = 2;
1390 let DST_SEL_X = 0;
1391 let DST_SEL_Y = 7; // Masked
1392 let DST_SEL_Z = 7; // Masked
1393 let DST_SEL_W = 7; // Masked
1394 let DATA_FORMAT = 5; // FMT_16
1395
1396}
1397
1398class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1399 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1400 pattern> {
1401
1402 let MEGA_FETCH_COUNT = 4;
1403 let DST_SEL_X = 0;
1404 let DST_SEL_Y = 7; // Masked
1405 let DST_SEL_Z = 7; // Masked
1406 let DST_SEL_W = 7; // Masked
1407 let DATA_FORMAT = 0xD; // COLOR_32
1408
1409 // This is not really necessary, but there were some GPU hangs that appeared
1410 // to be caused by ALU instructions in the next instruction group that wrote
1411 // to the $ptr registers of the VTX_READ.
1412 // e.g.
1413 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1414 // %T2_X<def> = MOV %ZERO
1415 //Adding this constraint prevents this from happening.
1416 let Constraints = "$ptr.ptr = $dst";
1417}
1418
1419class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1420 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1421 pattern> {
1422
1423 let MEGA_FETCH_COUNT = 16;
1424 let DST_SEL_X = 0;
1425 let DST_SEL_Y = 1;
1426 let DST_SEL_Z = 2;
1427 let DST_SEL_W = 3;
1428 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1429
1430 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1431 // that holds its buffer address to avoid potential hangs. We can't use
1432 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1433 // registers are different sizes.
1434}
1435
1436//===----------------------------------------------------------------------===//
1437// VTX Read from parameter memory space
1438//===----------------------------------------------------------------------===//
1439
1440def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1441 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1442>;
1443
1444def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1445 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1446>;
1447
1448def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1449 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1450>;
1451
1452//===----------------------------------------------------------------------===//
1453// VTX Read from global memory space
1454//===----------------------------------------------------------------------===//
1455
1456// 8-bit reads
1457def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1458 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1459>;
1460
1461// 32-bit reads
1462def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1463 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1464>;
1465
1466// 128-bit reads
1467def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1468 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1469>;
1470
1471//===----------------------------------------------------------------------===//
1472// Constant Loads
1473// XXX: We are currently storing all constants in the global address space.
1474//===----------------------------------------------------------------------===//
1475
1476def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1477 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1478>;
1479
1480}
1481
Tom Stellardf3b2a1e2013-02-06 17:32:29 +00001482//===----------------------------------------------------------------------===//
1483// Regist loads and stores - for indirect addressing
1484//===----------------------------------------------------------------------===//
1485
1486defm R600_ : RegisterLoadStore <R600_Reg32, FRAMEri, ADDRIndirect>;
1487
Tom Stellard75aadc22012-12-11 21:25:42 +00001488let Predicates = [isCayman] in {
1489
1490let isVector = 1 in {
1491
1492def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1493
1494def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1495def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1496def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1497def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1498def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1499def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
1500def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
1501def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1502def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1503def SIN_cm : SIN_Common<0x8D>;
1504def COS_cm : COS_Common<0x8E>;
1505} // End isVector = 1
1506
1507def : SIN_PAT <SIN_cm>;
1508def : COS_PAT <COS_cm>;
1509
1510defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1511
1512// RECIP_UINT emulation for Cayman
1513def : Pat <
1514 (AMDGPUurecip R600_Reg32:$src0),
1515 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1516 (MOV_IMM_I32 0x4f800000)))
1517>;
1518
1519
1520def : Pat<(fsqrt R600_Reg32:$src),
1521 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1522
1523} // End isCayman
1524
1525//===----------------------------------------------------------------------===//
1526// Branch Instructions
1527//===----------------------------------------------------------------------===//
1528
1529
1530def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1531 "IF_PREDICATE_SET $src", []>;
1532
1533def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1534 "PREDICATED_BREAK $src", []>;
1535
1536//===----------------------------------------------------------------------===//
1537// Pseudo instructions
1538//===----------------------------------------------------------------------===//
1539
1540let isPseudo = 1 in {
1541
1542def PRED_X : InstR600 <
1543 0, (outs R600_Predicate_Bit:$dst),
1544 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1545 "", [], NullALU> {
1546 let FlagOperandIdx = 3;
1547}
1548
1549let isTerminator = 1, isBranch = 1, isBarrier = 1 in {
1550
1551def JUMP : InstR600 <0x10,
1552 (outs),
1553 (ins brtarget:$target, R600_Pred:$p),
1554 "JUMP $target ($p)",
1555 [], AnyALU
1556 >;
1557
1558} // End isTerminator = 1, isBranch = 1, isBarrier = 1
1559
1560let usesCustomInserter = 1 in {
1561
1562let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1563
1564def MASK_WRITE : AMDGPUShaderInst <
1565 (outs),
1566 (ins R600_Reg32:$src),
1567 "MASK_WRITE $src",
1568 []
1569>;
1570
1571} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1572
Tom Stellard75aadc22012-12-11 21:25:42 +00001573
Tom Stellard75aadc22012-12-11 21:25:42 +00001574def TXD: AMDGPUShaderInst <
1575 (outs R600_Reg128:$dst),
1576 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1577 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1578 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1579>;
1580
1581def TXD_SHADOW: AMDGPUShaderInst <
1582 (outs R600_Reg128:$dst),
1583 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1584 "TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1585 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
1586>;
1587
1588} // End isPseudo = 1
1589} // End usesCustomInserter = 1
1590
1591def CLAMP_R600 : CLAMP <R600_Reg32>;
1592def FABS_R600 : FABS<R600_Reg32>;
1593def FNEG_R600 : FNEG<R600_Reg32>;
1594
1595//===---------------------------------------------------------------------===//
1596// Return instruction
1597//===---------------------------------------------------------------------===//
Jakob Stoklund Olesenfdc37672013-02-05 17:53:52 +00001598let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1,
1599 usesCustomInserter = 1 in {
Tom Stellard75aadc22012-12-11 21:25:42 +00001600 def RETURN : ILFormat<(outs), (ins variable_ops),
1601 "RETURN", [(IL_retflag)]>;
1602}
1603
Tom Stellard365366f2013-01-23 02:09:06 +00001604
1605//===----------------------------------------------------------------------===//
1606// Constant Buffer Addressing Support
1607//===----------------------------------------------------------------------===//
1608
1609let isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU" in {
1610def CONST_COPY : Instruction {
1611 let OutOperandList = (outs R600_Reg32:$dst);
1612 let InOperandList = (ins i32imm:$src);
1613 let Pattern = [(set R600_Reg32:$dst, (CONST_ADDRESS ADDRGA_CONST_OFFSET:$src))];
1614 let AsmString = "CONST_COPY";
1615 let neverHasSideEffects = 1;
1616 let isAsCheapAsAMove = 1;
1617 let Itinerary = NullALU;
1618}
1619} // end isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU"
1620
1621def TEX_VTX_CONSTBUF :
1622 InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr), "VTX_READ_eg $dst, $ptr",
1623 [(set R600_Reg128:$dst, (CONST_ADDRESS ADDRGA_VAR_OFFSET:$ptr))]>,
1624 VTX_WORD1_GPR, VTX_WORD0 {
1625
1626 let VC_INST = 0;
1627 let FETCH_TYPE = 2;
1628 let FETCH_WHOLE_QUAD = 0;
1629 let BUFFER_ID = 0;
1630 let SRC_REL = 0;
1631 let SRC_SEL_X = 0;
1632 let DST_REL = 0;
1633 let USE_CONST_FIELDS = 0;
1634 let NUM_FORMAT_ALL = 2;
1635 let FORMAT_COMP_ALL = 1;
1636 let SRF_MODE_ALL = 1;
1637 let MEGA_FETCH_COUNT = 16;
1638 let DST_SEL_X = 0;
1639 let DST_SEL_Y = 1;
1640 let DST_SEL_Z = 2;
1641 let DST_SEL_W = 3;
1642 let DATA_FORMAT = 35;
1643
1644 let Inst{31-0} = Word0;
1645 let Inst{63-32} = Word1;
1646
1647// LLVM can only encode 64-bit instructions, so these fields are manually
1648// encoded in R600CodeEmitter
1649//
1650// bits<16> OFFSET;
1651// bits<2> ENDIAN_SWAP = 0;
1652// bits<1> CONST_BUF_NO_STRIDE = 0;
1653// bits<1> MEGA_FETCH = 0;
1654// bits<1> ALT_CONST = 0;
1655// bits<2> BUFFER_INDEX_MODE = 0;
1656
1657
1658
1659// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1660// is done in R600CodeEmitter
1661//
1662// Inst{79-64} = OFFSET;
1663// Inst{81-80} = ENDIAN_SWAP;
1664// Inst{82} = CONST_BUF_NO_STRIDE;
1665// Inst{83} = MEGA_FETCH;
1666// Inst{84} = ALT_CONST;
1667// Inst{86-85} = BUFFER_INDEX_MODE;
1668// Inst{95-86} = 0; Reserved
1669
1670// VTX_WORD3 (Padding)
1671//
1672// Inst{127-96} = 0;
1673}
1674
1675
Tom Stellardf8794352012-12-19 22:10:31 +00001676//===--------------------------------------------------------------------===//
1677// Instructions support
1678//===--------------------------------------------------------------------===//
1679//===---------------------------------------------------------------------===//
1680// Custom Inserter for Branches and returns, this eventually will be a
1681// seperate pass
1682//===---------------------------------------------------------------------===//
1683let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1684 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1685 "; Pseudo unconditional branch instruction",
1686 [(br bb:$target)]>;
1687 defm BRANCH_COND : BranchConditional<IL_brcond>;
1688}
1689
1690//===---------------------------------------------------------------------===//
1691// Flow and Program control Instructions
1692//===---------------------------------------------------------------------===//
1693let isTerminator=1 in {
1694 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1695 !strconcat("SWITCH", " $src"), []>;
1696 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1697 !strconcat("CASE", " $src"), []>;
1698 def BREAK : ILFormat< (outs), (ins),
1699 "BREAK", []>;
1700 def CONTINUE : ILFormat< (outs), (ins),
1701 "CONTINUE", []>;
1702 def DEFAULT : ILFormat< (outs), (ins),
1703 "DEFAULT", []>;
1704 def ELSE : ILFormat< (outs), (ins),
1705 "ELSE", []>;
1706 def ENDSWITCH : ILFormat< (outs), (ins),
1707 "ENDSWITCH", []>;
1708 def ENDMAIN : ILFormat< (outs), (ins),
1709 "ENDMAIN", []>;
1710 def END : ILFormat< (outs), (ins),
1711 "END", []>;
1712 def ENDFUNC : ILFormat< (outs), (ins),
1713 "ENDFUNC", []>;
1714 def ENDIF : ILFormat< (outs), (ins),
1715 "ENDIF", []>;
1716 def WHILELOOP : ILFormat< (outs), (ins),
1717 "WHILE", []>;
1718 def ENDLOOP : ILFormat< (outs), (ins),
1719 "ENDLOOP", []>;
1720 def FUNC : ILFormat< (outs), (ins),
1721 "FUNC", []>;
1722 def RETDYN : ILFormat< (outs), (ins),
1723 "RET_DYN", []>;
1724 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1725 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
1726 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1727 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
1728 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1729 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
1730 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1731 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
1732 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1733 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
1734 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1735 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
1736 defm IFC : BranchInstr2<"IFC">;
1737 defm BREAKC : BranchInstr2<"BREAKC">;
1738 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
1739}
1740
Tom Stellard75aadc22012-12-11 21:25:42 +00001741//===----------------------------------------------------------------------===//
1742// ISel Patterns
1743//===----------------------------------------------------------------------===//
1744
1745//CNDGE_INT extra pattern
1746def : Pat <
1747 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
1748 (i32 R600_Reg32:$src2), COND_GT),
1749 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
1750>;
1751
1752// KIL Patterns
1753def KILP : Pat <
1754 (int_AMDGPU_kilp),
1755 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
1756>;
1757
1758def KIL : Pat <
1759 (int_AMDGPU_kill R600_Reg32:$src0),
1760 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
1761>;
1762
1763// SGT Reverse args
1764def : Pat <
1765 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
1766 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
1767>;
1768
1769// SGE Reverse args
1770def : Pat <
1771 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
1772 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
1773>;
1774
1775// SETGT_INT reverse args
1776def : Pat <
1777 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
1778 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
1779>;
1780
1781// SETGE_INT reverse args
1782def : Pat <
1783 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
1784 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
1785>;
1786
1787// SETGT_UINT reverse args
1788def : Pat <
1789 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
1790 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1791>;
1792
1793// SETGE_UINT reverse args
1794def : Pat <
1795 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
1796 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1797>;
1798
1799// The next two patterns are special cases for handling 'true if ordered' and
1800// 'true if unordered' conditionals. The assumption here is that the behavior of
1801// SETE and SNE conforms to the Direct3D 10 rules for floating point values
1802// described here:
1803// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
1804// We assume that SETE returns false when one of the operands is NAN and
1805// SNE returns true when on of the operands is NAN
1806
1807//SETE - 'true if ordered'
1808def : Pat <
1809 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
1810 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
1811>;
1812
1813//SNE - 'true if unordered'
1814def : Pat <
1815 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
1816 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
1817>;
1818
1819def : Extract_Element <f32, v4f32, R600_Reg128, 0, sel_x>;
1820def : Extract_Element <f32, v4f32, R600_Reg128, 1, sel_y>;
1821def : Extract_Element <f32, v4f32, R600_Reg128, 2, sel_z>;
1822def : Extract_Element <f32, v4f32, R600_Reg128, 3, sel_w>;
1823
1824def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sel_x>;
1825def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sel_y>;
1826def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sel_z>;
1827def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sel_w>;
1828
1829def : Extract_Element <i32, v4i32, R600_Reg128, 0, sel_x>;
1830def : Extract_Element <i32, v4i32, R600_Reg128, 1, sel_y>;
1831def : Extract_Element <i32, v4i32, R600_Reg128, 2, sel_z>;
1832def : Extract_Element <i32, v4i32, R600_Reg128, 3, sel_w>;
1833
1834def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sel_x>;
1835def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sel_y>;
1836def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sel_z>;
1837def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sel_w>;
1838
1839def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
1840def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
1841
1842// bitconvert patterns
1843
1844def : BitConvert <i32, f32, R600_Reg32>;
1845def : BitConvert <f32, i32, R600_Reg32>;
1846def : BitConvert <v4f32, v4i32, R600_Reg128>;
1847def : BitConvert <v4i32, v4f32, R600_Reg128>;
1848
1849// DWORDADDR pattern
1850def : DwordAddrPat <i32, R600_Reg32>;
1851
1852} // End isR600toCayman Predicate