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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
Vincent Lejeunea311c5262013-02-10 17:57:33 +000073// src_sel for ALU src operands, see also ALU_CONST, ALU_PARAM registers
Tom Stellard9f7818d2013-01-23 02:09:06 +000074def 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
Vincent Lejeune2691fe92013-03-31 19:33:04 +0000237class TEX_WORD0 {
238 field bits<32> Word0;
239
240 bits<5> TEX_INST;
241 bits<2> INST_MOD;
242 bits<1> FETCH_WHOLE_QUAD;
243 bits<8> RESOURCE_ID;
244 bits<7> SRC_GPR;
245 bits<1> SRC_REL;
246 bits<1> ALT_CONST;
247 bits<2> RESOURCE_INDEX_MODE;
248 bits<2> SAMPLER_INDEX_MODE;
249
250 let Word0{4-0} = TEX_INST;
251 let Word0{6-5} = INST_MOD;
252 let Word0{7} = FETCH_WHOLE_QUAD;
253 let Word0{15-8} = RESOURCE_ID;
254 let Word0{22-16} = SRC_GPR;
255 let Word0{23} = SRC_REL;
256 let Word0{24} = ALT_CONST;
257 let Word0{26-25} = RESOURCE_INDEX_MODE;
258 let Word0{28-27} = SAMPLER_INDEX_MODE;
259}
260
261class TEX_WORD1 {
262 field bits<32> Word1;
263
264 bits<7> DST_GPR;
265 bits<1> DST_REL;
266 bits<3> DST_SEL_X;
267 bits<3> DST_SEL_Y;
268 bits<3> DST_SEL_Z;
269 bits<3> DST_SEL_W;
270 bits<7> LOD_BIAS;
271 bits<1> COORD_TYPE_X;
272 bits<1> COORD_TYPE_Y;
273 bits<1> COORD_TYPE_Z;
274 bits<1> COORD_TYPE_W;
275
276 let Word1{6-0} = DST_GPR;
277 let Word1{7} = DST_REL;
278 let Word1{11-9} = DST_SEL_X;
279 let Word1{14-12} = DST_SEL_Y;
280 let Word1{17-15} = DST_SEL_Z;
281 let Word1{20-18} = DST_SEL_W;
282 let Word1{27-21} = LOD_BIAS;
283 let Word1{28} = COORD_TYPE_X;
284 let Word1{29} = COORD_TYPE_Y;
285 let Word1{30} = COORD_TYPE_Z;
286 let Word1{31} = COORD_TYPE_W;
287}
288
289class TEX_WORD2 {
290 field bits<32> Word2;
291
292 bits<5> OFFSET_X;
293 bits<5> OFFSET_Y;
294 bits<5> OFFSET_Z;
295 bits<5> SAMPLER_ID;
296 bits<3> SRC_SEL_X;
297 bits<3> SRC_SEL_Y;
298 bits<3> SRC_SEL_Z;
299 bits<3> SRC_SEL_W;
300
301 let Word2{4-0} = OFFSET_X;
302 let Word2{9-5} = OFFSET_Y;
303 let Word2{14-10} = OFFSET_Z;
304 let Word2{19-15} = SAMPLER_ID;
305 let Word2{22-20} = SRC_SEL_X;
306 let Word2{25-23} = SRC_SEL_Y;
307 let Word2{28-26} = SRC_SEL_Z;
308 let Word2{31-29} = SRC_SEL_W;
309}
310
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000311/*
312XXX: R600 subtarget uses a slightly different encoding than the other
313subtargets. We currently handle this in R600MCCodeEmitter, but we may
314want to use these instruction classes in the future.
315
316class R600ALU_Word1_OP2_r600 : R600ALU_Word1_OP2 {
317
318 bits<1> fog_merge;
319 bits<10> alu_inst;
320
321 let Inst{37} = fog_merge;
322 let Inst{39-38} = omod;
323 let Inst{49-40} = alu_inst;
324}
325
326class R600ALU_Word1_OP2_r700 : R600ALU_Word1_OP2 {
327
328 bits<11> alu_inst;
329
330 let Inst{38-37} = omod;
331 let Inst{49-39} = alu_inst;
332}
333*/
334
335def R600_Pred : PredicateOperand<i32, (ops R600_Predicate),
336 (ops PRED_SEL_OFF)>;
337
338
339let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
340
341// Class for instructions with only one source register.
342// If you add new ins to this instruction, make sure they are listed before
343// $literal, because the backend currently assumes that the last operand is
344// a literal. Also be sure to update the enum R600Op1OperandIndex::ROI in
345// R600Defines.h, R600InstrInfo::buildDefaultInstruction(),
346// and R600InstrInfo::getOperandIdx().
347class R600_1OP <bits<11> inst, string opName, list<dag> pattern,
348 InstrItinClass itin = AnyALU> :
349 InstR600 <0,
350 (outs R600_Reg32:$dst),
351 (ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000352 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000353 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
Vincent Lejeune8e591912013-04-01 21:47:42 +0000354 !strconcat(" ", opName,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000355 "$clamp $dst$write$dst_rel$omod, "
Vincent Lejeune8e591912013-04-01 21:47:42 +0000356 "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000357 "$literal $pred_sel$last"),
358 pattern,
359 itin>,
360 R600ALU_Word0,
361 R600ALU_Word1_OP2 <inst> {
362
363 let src1 = 0;
364 let src1_rel = 0;
365 let src1_neg = 0;
366 let src1_abs = 0;
367 let update_exec_mask = 0;
368 let update_pred = 0;
369 let HasNativeOperands = 1;
370 let Op1 = 1;
371 let DisableEncoding = "$literal";
372
373 let Inst{31-0} = Word0;
374 let Inst{63-32} = Word1;
375}
376
377class R600_1OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
378 InstrItinClass itin = AnyALU> :
379 R600_1OP <inst, opName,
380 [(set R600_Reg32:$dst, (node R600_Reg32:$src0))]
381>;
382
383// If you add our change the operands for R600_2OP instructions, you must
384// also update the R600Op2OperandIndex::ROI enum in R600Defines.h,
385// R600InstrInfo::buildDefaultInstruction(), and R600InstrInfo::getOperandIdx().
386class R600_2OP <bits<11> inst, string opName, list<dag> pattern,
387 InstrItinClass itin = AnyALU> :
388 InstR600 <inst,
389 (outs R600_Reg32:$dst),
390 (ins UEM:$update_exec_mask, UP:$update_pred, WRITE:$write,
391 OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000392 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
393 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, ABS:$src1_abs, SEL:$src1_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000394 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
Vincent Lejeune8e591912013-04-01 21:47:42 +0000395 !strconcat(" ", opName,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000396 "$clamp $update_exec_mask$update_pred$dst$write$dst_rel$omod, "
Vincent Lejeune8e591912013-04-01 21:47:42 +0000397 "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
398 "$src1_neg$src1_abs$src1$src1_abs$src1_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000399 "$literal $pred_sel$last"),
400 pattern,
401 itin>,
402 R600ALU_Word0,
403 R600ALU_Word1_OP2 <inst> {
404
405 let HasNativeOperands = 1;
406 let Op2 = 1;
407 let DisableEncoding = "$literal";
408
409 let Inst{31-0} = Word0;
410 let Inst{63-32} = Word1;
411}
412
413class R600_2OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
414 InstrItinClass itim = AnyALU> :
415 R600_2OP <inst, opName,
416 [(set R600_Reg32:$dst, (node R600_Reg32:$src0,
417 R600_Reg32:$src1))]
418>;
419
420// If you add our change the operands for R600_3OP instructions, you must
421// also update the R600Op3OperandIndex::ROI enum in R600Defines.h,
422// R600InstrInfo::buildDefaultInstruction(), and
423// R600InstrInfo::getOperandIdx().
424class R600_3OP <bits<5> inst, string opName, list<dag> pattern,
425 InstrItinClass itin = AnyALU> :
426 InstR600 <0,
427 (outs R600_Reg32:$dst),
428 (ins REL:$dst_rel, CLAMP:$clamp,
Tom Stellard9f7818d2013-01-23 02:09:06 +0000429 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, SEL:$src0_sel,
430 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, SEL:$src1_sel,
431 R600_Reg32:$src2, NEG:$src2_neg, REL:$src2_rel, SEL:$src2_sel,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000432 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
Vincent Lejeune8e591912013-04-01 21:47:42 +0000433 !strconcat(" ", opName, "$clamp $dst$dst_rel, "
434 "$src0_neg$src0$src0_rel, "
435 "$src1_neg$src1$src1_rel, "
436 "$src2_neg$src2$src2_rel, "
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000437 "$literal $pred_sel$last"),
438 pattern,
439 itin>,
440 R600ALU_Word0,
441 R600ALU_Word1_OP3<inst>{
442
443 let HasNativeOperands = 1;
444 let DisableEncoding = "$literal";
445 let Op3 = 1;
446
447 let Inst{31-0} = Word0;
448 let Inst{63-32} = Word1;
449}
450
451class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
452 InstrItinClass itin = VecALU> :
453 InstR600 <inst,
454 (outs R600_Reg32:$dst),
455 ins,
456 asm,
457 pattern,
458 itin>;
459
460class R600_TEX <bits<11> inst, string opName, list<dag> pattern,
461 InstrItinClass itin = AnyALU> :
462 InstR600 <inst,
Vincent Lejeune2691fe92013-03-31 19:33:04 +0000463 (outs R600_Reg128:$DST_GPR),
464 (ins R600_Reg128:$SRC_GPR, i32imm:$RESOURCE_ID, i32imm:$SAMPLER_ID, i32imm:$textureTarget),
465 !strconcat(opName, "$DST_GPR, $SRC_GPR, $RESOURCE_ID, $SAMPLER_ID, $textureTarget"),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000466 pattern,
Vincent Lejeune2691fe92013-03-31 19:33:04 +0000467 itin>, TEX_WORD0, TEX_WORD1, TEX_WORD2 {
468 let Inst{31-0} = Word0;
469 let Inst{63-32} = Word1;
470
471 let TEX_INST = inst{4-0};
472 let SRC_REL = 0;
473 let DST_REL = 0;
474 let DST_SEL_X = 0;
475 let DST_SEL_Y = 1;
476 let DST_SEL_Z = 2;
477 let DST_SEL_W = 3;
478 let LOD_BIAS = 0;
479
480 let INST_MOD = 0;
481 let FETCH_WHOLE_QUAD = 0;
482 let ALT_CONST = 0;
483 let SAMPLER_INDEX_MODE = 0;
484
485 let COORD_TYPE_X = 0;
486 let COORD_TYPE_Y = 0;
487 let COORD_TYPE_Z = 0;
488 let COORD_TYPE_W = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000489 }
490
491} // End mayLoad = 1, mayStore = 0, hasSideEffects = 0
492
493def TEX_SHADOW : PatLeaf<
494 (imm),
495 [{uint32_t TType = (uint32_t)N->getZExtValue();
Michel Danzer6158ad12013-02-12 12:11:23 +0000496 return (TType >= 6 && TType <= 8) || (TType >= 11 && TType <= 13);
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000497 }]
498>;
499
Tom Stellard97ff6182013-01-21 15:40:48 +0000500def TEX_RECT : PatLeaf<
501 (imm),
502 [{uint32_t TType = (uint32_t)N->getZExtValue();
503 return TType == 5;
504 }]
505>;
506
Tom Stellard64dca862013-02-07 17:02:14 +0000507def TEX_ARRAY : PatLeaf<
508 (imm),
509 [{uint32_t TType = (uint32_t)N->getZExtValue();
510 return TType == 9 || TType == 10 || TType == 15 || TType == 16;
511 }]
512>;
513
514def TEX_SHADOW_ARRAY : PatLeaf<
515 (imm),
516 [{uint32_t TType = (uint32_t)N->getZExtValue();
517 return TType == 11 || TType == 12 || TType == 17;
518 }]
519>;
520
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000521class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
522 dag ins, string asm, list<dag> pattern> :
523 InstR600ISA <outs, ins, asm, pattern> {
524 bits<7> RW_GPR;
525 bits<7> INDEX_GPR;
526
527 bits<2> RIM;
528 bits<2> TYPE;
529 bits<1> RW_REL;
530 bits<2> ELEM_SIZE;
531
532 bits<12> ARRAY_SIZE;
533 bits<4> COMP_MASK;
534 bits<4> BURST_COUNT;
535 bits<1> VPM;
536 bits<1> eop;
537 bits<1> MARK;
538 bits<1> BARRIER;
539
540 // CF_ALLOC_EXPORT_WORD0_RAT
541 let Inst{3-0} = rat_id;
542 let Inst{9-4} = rat_inst;
543 let Inst{10} = 0; // Reserved
544 let Inst{12-11} = RIM;
545 let Inst{14-13} = TYPE;
546 let Inst{21-15} = RW_GPR;
547 let Inst{22} = RW_REL;
548 let Inst{29-23} = INDEX_GPR;
549 let Inst{31-30} = ELEM_SIZE;
550
551 // CF_ALLOC_EXPORT_WORD1_BUF
552 let Inst{43-32} = ARRAY_SIZE;
553 let Inst{47-44} = COMP_MASK;
554 let Inst{51-48} = BURST_COUNT;
555 let Inst{52} = VPM;
556 let Inst{53} = eop;
557 let Inst{61-54} = cf_inst;
558 let Inst{62} = MARK;
559 let Inst{63} = BARRIER;
560}
561
562class LoadParamFrag <PatFrag load_type> : PatFrag <
563 (ops node:$ptr), (load_type node:$ptr),
564 [{ return isParamLoad(dyn_cast<LoadSDNode>(N)); }]
565>;
566
567def load_param : LoadParamFrag<load>;
568def load_param_zexti8 : LoadParamFrag<zextloadi8>;
569def load_param_zexti16 : LoadParamFrag<zextloadi16>;
570
571def isR600 : Predicate<"Subtarget.device()"
572 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
573def isR700 : Predicate<"Subtarget.device()"
574 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
575 "Subtarget.device()->getDeviceFlag()"
576 ">= OCL_DEVICE_RV710">;
577def isEG : Predicate<
578 "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
579 "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
580 "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;
581
582def isCayman : Predicate<"Subtarget.device()"
583 "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
584def isEGorCayman : Predicate<"Subtarget.device()"
585 "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
586 "|| Subtarget.device()->getGeneration() =="
587 "AMDGPUDeviceInfo::HD6XXX">;
588
589def isR600toCayman : Predicate<
590 "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;
591
592//===----------------------------------------------------------------------===//
Tom Stellardc7e18882013-01-23 02:09:03 +0000593// R600 SDNodes
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000594//===----------------------------------------------------------------------===//
595
Tom Stellard29b15a32013-02-05 17:09:14 +0000596def INTERP_PAIR_XY : AMDGPUShaderInst <
597 (outs R600_TReg32_X:$dst0, R600_TReg32_Y:$dst1),
598 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
599 "INTERP_PAIR_XY $src0 $src1 $src2 : $dst0 dst1",
600 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000601
Tom Stellard29b15a32013-02-05 17:09:14 +0000602def INTERP_PAIR_ZW : AMDGPUShaderInst <
603 (outs R600_TReg32_Z:$dst0, R600_TReg32_W:$dst1),
604 (ins i32imm:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
605 "INTERP_PAIR_ZW $src0 $src1 $src2 : $dst0 dst1",
606 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000607
Tom Stellardc7e18882013-01-23 02:09:03 +0000608def CONST_ADDRESS: SDNode<"AMDGPUISD::CONST_ADDRESS",
Vincent Lejeune3f7f8e82013-03-05 15:04:29 +0000609 SDTypeProfile<1, -1, [SDTCisInt<0>, SDTCisPtrTy<1>]>,
Vincent Lejeune64ca84d2013-03-05 15:04:42 +0000610 [SDNPVariadic]
Tom Stellardc7e18882013-01-23 02:09:03 +0000611>;
612
613//===----------------------------------------------------------------------===//
614// Interpolation Instructions
615//===----------------------------------------------------------------------===//
616
Tom Stellard29b15a32013-02-05 17:09:14 +0000617def INTERP_VEC_LOAD : AMDGPUShaderInst <
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000618 (outs R600_Reg128:$dst),
Tom Stellard29b15a32013-02-05 17:09:14 +0000619 (ins i32imm:$src0),
620 "INTERP_LOAD $src0 : $dst",
621 []>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000622
623def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
624 let bank_swizzle = 5;
625}
626
627def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
628 let bank_swizzle = 5;
629}
630
631def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
632
633//===----------------------------------------------------------------------===//
634// Export Instructions
635//===----------------------------------------------------------------------===//
636
Vincent Lejeuneabfd5f62013-02-14 16:55:06 +0000637def ExportType : SDTypeProfile<0, 7, [SDTCisFP<0>, SDTCisInt<1>]>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000638
639def EXPORT: SDNode<"AMDGPUISD::EXPORT", ExportType,
640 [SDNPHasChain, SDNPSideEffect]>;
641
642class ExportWord0 {
643 field bits<32> Word0;
644
645 bits<13> arraybase;
646 bits<2> type;
647 bits<7> gpr;
648 bits<2> elem_size;
649
650 let Word0{12-0} = arraybase;
651 let Word0{14-13} = type;
652 let Word0{21-15} = gpr;
653 let Word0{22} = 0; // RW_REL
654 let Word0{29-23} = 0; // INDEX_GPR
655 let Word0{31-30} = elem_size;
656}
657
658class ExportSwzWord1 {
659 field bits<32> Word1;
660
661 bits<3> sw_x;
662 bits<3> sw_y;
663 bits<3> sw_z;
664 bits<3> sw_w;
665 bits<1> eop;
666 bits<8> inst;
667
668 let Word1{2-0} = sw_x;
669 let Word1{5-3} = sw_y;
670 let Word1{8-6} = sw_z;
671 let Word1{11-9} = sw_w;
672}
673
674class ExportBufWord1 {
675 field bits<32> Word1;
676
677 bits<12> arraySize;
678 bits<4> compMask;
679 bits<1> eop;
680 bits<8> inst;
681
682 let Word1{11-0} = arraySize;
683 let Word1{15-12} = compMask;
684}
685
686multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
687 def : Pat<(int_R600_store_pixel_depth R600_Reg32:$reg),
688 (ExportInst
Tom Stellard07b59ba2013-02-07 14:02:37 +0000689 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sub0),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000690 0, 61, 0, 7, 7, 7, cf_inst, 0)
691 >;
692
693 def : Pat<(int_R600_store_pixel_stencil R600_Reg32:$reg),
694 (ExportInst
Tom Stellard07b59ba2013-02-07 14:02:37 +0000695 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sub0),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000696 0, 61, 7, 0, 7, 7, cf_inst, 0)
697 >;
698
Tom Stellard44ddc362013-01-31 22:11:46 +0000699 def : Pat<(int_R600_store_dummy (i32 imm:$type)),
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000700 (ExportInst
Tom Stellard44ddc362013-01-31 22:11:46 +0000701 (v4f32 (IMPLICIT_DEF)), imm:$type, 0, 7, 7, 7, 7, cf_inst, 0)
702 >;
703
704 def : Pat<(int_R600_store_dummy 1),
705 (ExportInst
706 (v4f32 (IMPLICIT_DEF)), 1, 60, 7, 7, 7, 7, cf_inst, 0)
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000707 >;
708
Vincent Lejeuneabfd5f62013-02-14 16:55:06 +0000709 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 imm:$base), (i32 imm:$type),
710 (i32 imm:$swz_x), (i32 imm:$swz_y), (i32 imm:$swz_z), (i32 imm:$swz_w)),
711 (ExportInst R600_Reg128:$src, imm:$type, imm:$base,
712 imm:$swz_x, imm:$swz_y, imm:$swz_z, imm:$swz_w, cf_inst, 0)
Tom Stellard254a83e2013-01-23 21:39:49 +0000713 >;
714
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000715}
716
717multiclass SteamOutputExportPattern<Instruction ExportInst,
718 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
719// Stream0
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000720 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
721 (i32 imm:$arraybase), (i32 0), (i32 imm:$mask)),
722 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000723 4095, imm:$mask, buf0inst, 0)>;
724// Stream1
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000725 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
726 (i32 imm:$arraybase), (i32 1), (i32 imm:$mask)),
727 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000728 4095, imm:$mask, buf1inst, 0)>;
729// Stream2
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000730 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
731 (i32 imm:$arraybase), (i32 2), (i32 imm:$mask)),
732 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000733 4095, imm:$mask, buf2inst, 0)>;
734// Stream3
Tom Stellard2a3e0d72013-01-23 21:39:47 +0000735 def : Pat<(int_R600_store_stream_output (v4f32 R600_Reg128:$src),
736 (i32 imm:$arraybase), (i32 3), (i32 imm:$mask)),
737 (ExportInst R600_Reg128:$src, 0, imm:$arraybase,
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000738 4095, imm:$mask, buf3inst, 0)>;
739}
740
Vincent Lejeunef846add2013-02-14 16:55:11 +0000741let usesCustomInserter = 1 in {
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000742
743class ExportSwzInst : InstR600ISA<(
744 outs),
745 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
746 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
747 i32imm:$eop),
748 !strconcat("EXPORT", " $gpr"),
749 []>, ExportWord0, ExportSwzWord1 {
750 let elem_size = 3;
751 let Inst{31-0} = Word0;
752 let Inst{63-32} = Word1;
753}
754
Vincent Lejeunef846add2013-02-14 16:55:11 +0000755} // End usesCustomInserter = 1
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000756
757class ExportBufInst : InstR600ISA<(
758 outs),
759 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
760 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
761 !strconcat("EXPORT", " $gpr"),
762 []>, ExportWord0, ExportBufWord1 {
763 let elem_size = 0;
764 let Inst{31-0} = Word0;
765 let Inst{63-32} = Word1;
766}
767
Vincent Lejeune8e591912013-04-01 21:47:42 +0000768//===----------------------------------------------------------------------===//
769// Control Flow Instructions
770//===----------------------------------------------------------------------===//
771
772class CF_ALU_WORD0 {
773 field bits<32> Word0;
774
775 bits<22> ADDR;
776 bits<4> KCACHE_BANK0;
777 bits<4> KCACHE_BANK1;
778 bits<2> KCACHE_MODE0;
779
780 let Word0{21-0} = ADDR;
781 let Word0{25-22} = KCACHE_BANK0;
782 let Word0{29-26} = KCACHE_BANK1;
783 let Word0{31-30} = KCACHE_MODE0;
784}
785
786class CF_ALU_WORD1 {
787 field bits<32> Word1;
788
789 bits<2> KCACHE_MODE1;
790 bits<8> KCACHE_ADDR0;
791 bits<8> KCACHE_ADDR1;
792 bits<7> COUNT;
793 bits<1> ALT_CONST;
794 bits<4> CF_INST;
795 bits<1> WHOLE_QUAD_MODE;
796 bits<1> BARRIER;
797
798 let Word1{1-0} = KCACHE_MODE1;
799 let Word1{9-2} = KCACHE_ADDR0;
800 let Word1{17-10} = KCACHE_ADDR1;
801 let Word1{24-18} = COUNT;
802 let Word1{25} = ALT_CONST;
803 let Word1{29-26} = CF_INST;
804 let Word1{30} = WHOLE_QUAD_MODE;
805 let Word1{31} = BARRIER;
806}
807
808class ALU_CLAUSE<bits<4> inst, string OpName> : AMDGPUInst <(outs),
809(ins i32imm:$ADDR, i32imm:$KCACHE_BANK0, i32imm:$KCACHE_BANK1, i32imm:$KCACHE_MODE0, i32imm:$KCACHE_MODE1,
810i32imm:$KCACHE_ADDR0, i32imm:$KCACHE_ADDR1, i32imm:$COUNT),
811!strconcat(OpName, " $COUNT, @$ADDR, "
812"KC0[CB$KCACHE_BANK0:$KCACHE_ADDR0-$KCACHE_ADDR0+32]"
813", KC1[CB$KCACHE_BANK1:$KCACHE_ADDR1-$KCACHE_ADDR1+32]"),
814[] >, CF_ALU_WORD0, CF_ALU_WORD1 {
815 field bits<64> Inst;
816
817 let CF_INST = inst;
818 let ALT_CONST = 0;
819 let WHOLE_QUAD_MODE = 0;
820 let BARRIER = 1;
821
822 let Inst{31-0} = Word0;
823 let Inst{63-32} = Word1;
824}
825
826def CF_ALU : ALU_CLAUSE<8, "ALU">;
827def CF_ALU_PUSH_BEFORE : ALU_CLAUSE<9, "ALU_PUSH_BEFORE">;
828
Vincent Lejeunea311c5262013-02-10 17:57:33 +0000829let Predicates = [isR600toCayman] in {
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000830
831//===----------------------------------------------------------------------===//
832// Common Instructions R600, R700, Evergreen, Cayman
833//===----------------------------------------------------------------------===//
834
835def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
836// Non-IEEE MUL: 0 * anything = 0
837def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
838def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
839def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
840def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
841
842// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
843// so some of the instruction names don't match the asm string.
844// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
845def SETE : R600_2OP <
846 0x08, "SETE",
847 [(set R600_Reg32:$dst,
848 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
849 COND_EQ))]
850>;
851
852def SGT : R600_2OP <
853 0x09, "SETGT",
854 [(set R600_Reg32:$dst,
855 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
856 COND_GT))]
857>;
858
859def SGE : R600_2OP <
860 0xA, "SETGE",
861 [(set R600_Reg32:$dst,
862 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
863 COND_GE))]
864>;
865
866def SNE : R600_2OP <
867 0xB, "SETNE",
868 [(set R600_Reg32:$dst,
869 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
870 COND_NE))]
871>;
872
Tom Stellard1234c9b2013-02-07 14:02:35 +0000873def SETE_DX10 : R600_2OP <
874 0xC, "SETE_DX10",
875 [(set R600_Reg32:$dst,
876 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
877 COND_EQ))]
878>;
879
880def SETGT_DX10 : R600_2OP <
881 0xD, "SETGT_DX10",
882 [(set R600_Reg32:$dst,
883 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
884 COND_GT))]
885>;
886
887def SETGE_DX10 : R600_2OP <
888 0xE, "SETGE_DX10",
889 [(set R600_Reg32:$dst,
890 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
891 COND_GE))]
892>;
893
894def SETNE_DX10 : R600_2OP <
895 0xF, "SETNE_DX10",
896 [(set R600_Reg32:$dst,
897 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, (i32 -1), (i32 0),
898 COND_NE))]
899>;
900
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000901def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
902def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
903def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
904def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
905def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
906
907def MOV : R600_1OP <0x19, "MOV", []>;
908
909let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
910
911class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
912 (outs R600_Reg32:$dst),
913 (ins immType:$imm),
914 "",
915 []
916>;
917
918} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
919
920def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
921def : Pat <
922 (imm:$val),
923 (MOV_IMM_I32 imm:$val)
924>;
925
926def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
927def : Pat <
928 (fpimm:$val),
929 (MOV_IMM_F32 fpimm:$val)
930>;
931
932def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
933def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
934def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
935def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
936
937let hasSideEffects = 1 in {
938
939def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
940
941} // end hasSideEffects
942
943def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
944def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
945def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
946def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
947def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
948def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
949def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
950def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
Tom Stellardeef0d5a2012-12-21 20:12:01 +0000951def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000952def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
953
954def SETE_INT : R600_2OP <
955 0x3A, "SETE_INT",
956 [(set (i32 R600_Reg32:$dst),
957 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
958>;
959
960def SETGT_INT : R600_2OP <
Tom Stellardb4409612013-02-07 14:02:27 +0000961 0x3B, "SETGT_INT",
Tom Stellardf98f2ce2012-12-11 21:25:42 +0000962 [(set (i32 R600_Reg32:$dst),
963 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
964>;
965
966def SETGE_INT : R600_2OP <
967 0x3C, "SETGE_INT",
968 [(set (i32 R600_Reg32:$dst),
969 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
970>;
971
972def SETNE_INT : R600_2OP <
973 0x3D, "SETNE_INT",
974 [(set (i32 R600_Reg32:$dst),
975 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
976>;
977
978def SETGT_UINT : R600_2OP <
979 0x3E, "SETGT_UINT",
980 [(set (i32 R600_Reg32:$dst),
981 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
982>;
983
984def SETGE_UINT : R600_2OP <
985 0x3F, "SETGE_UINT",
986 [(set (i32 R600_Reg32:$dst),
987 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
988>;
989
990def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
991def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
992def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
993def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
994
995def CNDE_INT : R600_3OP <
996 0x1C, "CNDE_INT",
997 [(set (i32 R600_Reg32:$dst),
998 (selectcc (i32 R600_Reg32:$src0), 0,
999 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
1000 COND_EQ))]
1001>;
1002
1003def CNDGE_INT : R600_3OP <
1004 0x1E, "CNDGE_INT",
1005 [(set (i32 R600_Reg32:$dst),
1006 (selectcc (i32 R600_Reg32:$src0), 0,
1007 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
1008 COND_GE))]
1009>;
1010
1011def CNDGT_INT : R600_3OP <
1012 0x1D, "CNDGT_INT",
1013 [(set (i32 R600_Reg32:$dst),
1014 (selectcc (i32 R600_Reg32:$src0), 0,
1015 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
1016 COND_GT))]
1017>;
1018
1019//===----------------------------------------------------------------------===//
1020// Texture instructions
1021//===----------------------------------------------------------------------===//
1022
1023def TEX_LD : R600_TEX <
1024 0x03, "TEX_LD",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001025 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txf R600_Reg128:$SRC_GPR,
1026 imm:$OFFSET_X, imm:$OFFSET_Y, imm:$OFFSET_Z, imm:$RESOURCE_ID,
1027 imm:$SAMPLER_ID, imm:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001028> {
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001029let AsmString = "TEX_LD $DST_GPR, $SRC_GPR, $OFFSET_X, $OFFSET_Y, $OFFSET_Z,"
1030 "$RESOURCE_ID, $SAMPLER_ID, $textureTarget";
1031let InOperandList = (ins R600_Reg128:$SRC_GPR, i32imm:$OFFSET_X,
1032 i32imm:$OFFSET_Y, i32imm:$OFFSET_Z, i32imm:$RESOURCE_ID, i32imm:$SAMPLER_ID,
1033 i32imm:$textureTarget);
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001034}
1035
1036def TEX_GET_TEXTURE_RESINFO : R600_TEX <
1037 0x04, "TEX_GET_TEXTURE_RESINFO",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001038 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txq R600_Reg128:$SRC_GPR,
1039 imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001040>;
1041
1042def TEX_GET_GRADIENTS_H : R600_TEX <
1043 0x07, "TEX_GET_GRADIENTS_H",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001044 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_ddx R600_Reg128:$SRC_GPR,
1045 imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001046>;
1047
1048def TEX_GET_GRADIENTS_V : R600_TEX <
1049 0x08, "TEX_GET_GRADIENTS_V",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001050 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_ddy R600_Reg128:$SRC_GPR,
1051 imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001052>;
1053
1054def TEX_SET_GRADIENTS_H : R600_TEX <
1055 0x0B, "TEX_SET_GRADIENTS_H",
1056 []
1057>;
1058
1059def TEX_SET_GRADIENTS_V : R600_TEX <
1060 0x0C, "TEX_SET_GRADIENTS_V",
1061 []
1062>;
1063
1064def TEX_SAMPLE : R600_TEX <
1065 0x10, "TEX_SAMPLE",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001066 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_tex R600_Reg128:$SRC_GPR,
1067 imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001068>;
1069
1070def TEX_SAMPLE_C : R600_TEX <
1071 0x18, "TEX_SAMPLE_C",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001072 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_tex R600_Reg128:$SRC_GPR,
1073 imm:$RESOURCE_ID, imm:$SAMPLER_ID, TEX_SHADOW:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001074>;
1075
1076def TEX_SAMPLE_L : R600_TEX <
1077 0x11, "TEX_SAMPLE_L",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001078 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txl R600_Reg128:$SRC_GPR,
1079 imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001080>;
1081
1082def TEX_SAMPLE_C_L : R600_TEX <
1083 0x19, "TEX_SAMPLE_C_L",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001084 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txl R600_Reg128:$SRC_GPR,
1085 imm:$RESOURCE_ID, imm:$SAMPLER_ID, TEX_SHADOW:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001086>;
1087
1088def TEX_SAMPLE_LB : R600_TEX <
1089 0x12, "TEX_SAMPLE_LB",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001090 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txb R600_Reg128:$SRC_GPR,
1091 imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001092>;
1093
1094def TEX_SAMPLE_C_LB : R600_TEX <
1095 0x1A, "TEX_SAMPLE_C_LB",
Vincent Lejeune2691fe92013-03-31 19:33:04 +00001096 [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txb R600_Reg128:$SRC_GPR,
1097 imm:$RESOURCE_ID, imm:$SAMPLER_ID, TEX_SHADOW:$textureTarget))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001098>;
1099
1100def TEX_SAMPLE_G : R600_TEX <
1101 0x14, "TEX_SAMPLE_G",
1102 []
1103>;
1104
1105def TEX_SAMPLE_C_G : R600_TEX <
1106 0x1C, "TEX_SAMPLE_C_G",
1107 []
1108>;
1109
1110//===----------------------------------------------------------------------===//
1111// Helper classes for common instructions
1112//===----------------------------------------------------------------------===//
1113
1114class MUL_LIT_Common <bits<5> inst> : R600_3OP <
1115 inst, "MUL_LIT",
1116 []
1117>;
1118
1119class MULADD_Common <bits<5> inst> : R600_3OP <
1120 inst, "MULADD",
Vincent Lejeunee3111962013-02-18 14:11:28 +00001121 []
1122>;
1123
1124class MULADD_IEEE_Common <bits<5> inst> : R600_3OP <
1125 inst, "MULADD_IEEE",
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001126 [(set (f32 R600_Reg32:$dst),
Vincent Lejeunee3111962013-02-18 14:11:28 +00001127 (fadd (fmul R600_Reg32:$src0, R600_Reg32:$src1), R600_Reg32:$src2))]
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001128>;
1129
1130class CNDE_Common <bits<5> inst> : R600_3OP <
1131 inst, "CNDE",
1132 [(set R600_Reg32:$dst,
1133 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
1134 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
1135 COND_EQ))]
1136>;
1137
1138class CNDGT_Common <bits<5> inst> : R600_3OP <
1139 inst, "CNDGT",
1140 [(set R600_Reg32:$dst,
1141 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
1142 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
1143 COND_GT))]
1144>;
1145
1146class CNDGE_Common <bits<5> inst> : R600_3OP <
1147 inst, "CNDGE",
1148 [(set R600_Reg32:$dst,
1149 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
1150 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
1151 COND_GE))]
1152>;
1153
1154multiclass DOT4_Common <bits<11> inst> {
1155
1156 def _pseudo : R600_REDUCTION <inst,
1157 (ins R600_Reg128:$src0, R600_Reg128:$src1),
1158 "DOT4 $dst $src0, $src1",
1159 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
1160 >;
1161
1162 def _real : R600_2OP <inst, "DOT4", []>;
1163}
1164
1165let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
1166multiclass CUBE_Common <bits<11> inst> {
1167
1168 def _pseudo : InstR600 <
1169 inst,
1170 (outs R600_Reg128:$dst),
1171 (ins R600_Reg128:$src),
1172 "CUBE $dst $src",
1173 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
1174 VecALU
1175 > {
1176 let isPseudo = 1;
1177 }
1178
1179 def _real : R600_2OP <inst, "CUBE", []>;
1180}
1181} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
1182
1183class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
1184 inst, "EXP_IEEE", fexp2
1185>;
1186
1187class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
1188 inst, "FLT_TO_INT", fp_to_sint
1189>;
1190
1191class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
1192 inst, "INT_TO_FLT", sint_to_fp
1193>;
1194
1195class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1196 inst, "FLT_TO_UINT", fp_to_uint
1197>;
1198
1199class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
1200 inst, "UINT_TO_FLT", uint_to_fp
1201>;
1202
1203class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
1204 inst, "LOG_CLAMPED", []
1205>;
1206
1207class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
1208 inst, "LOG_IEEE", flog2
1209>;
1210
1211class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
1212class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
1213class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
1214class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
1215 inst, "MULHI_INT", mulhs
1216>;
1217class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
1218 inst, "MULHI", mulhu
1219>;
1220class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
1221 inst, "MULLO_INT", mul
1222>;
1223class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
1224
1225class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
1226 inst, "RECIP_CLAMPED", []
1227>;
1228
1229class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
1230 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
1231>;
1232
1233class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
1234 inst, "RECIP_UINT", AMDGPUurecip
1235>;
1236
1237class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1238 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1239>;
1240
1241class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1242 inst, "RECIPSQRT_IEEE", []
1243>;
1244
1245class SIN_Common <bits<11> inst> : R600_1OP <
1246 inst, "SIN", []>{
1247 let Trig = 1;
1248}
1249
1250class COS_Common <bits<11> inst> : R600_1OP <
1251 inst, "COS", []> {
1252 let Trig = 1;
1253}
1254
1255//===----------------------------------------------------------------------===//
1256// Helper patterns for complex intrinsics
1257//===----------------------------------------------------------------------===//
1258
1259multiclass DIV_Common <InstR600 recip_ieee> {
1260def : Pat<
1261 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
Vincent Lejeunef49cf1c2013-03-05 15:04:37 +00001262 (MUL_IEEE R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001263>;
1264
1265def : Pat<
1266 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
Vincent Lejeunef49cf1c2013-03-05 15:04:37 +00001267 (MUL_IEEE R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001268>;
1269}
1270
1271class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1272 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1273 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1274>;
1275
1276//===----------------------------------------------------------------------===//
1277// R600 / R700 Instructions
1278//===----------------------------------------------------------------------===//
1279
1280let Predicates = [isR600] in {
1281
1282 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1283 def MULADD_r600 : MULADD_Common<0x10>;
Vincent Lejeunee3111962013-02-18 14:11:28 +00001284 def MULADD_IEEE_r600 : MULADD_IEEE_Common<0x14>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001285 def CNDE_r600 : CNDE_Common<0x18>;
1286 def CNDGT_r600 : CNDGT_Common<0x19>;
1287 def CNDGE_r600 : CNDGE_Common<0x1A>;
1288 defm DOT4_r600 : DOT4_Common<0x50>;
1289 defm CUBE_r600 : CUBE_Common<0x52>;
1290 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1291 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1292 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1293 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1294 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1295 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1296 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1297 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1298 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1299 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1300 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1301 def SIN_r600 : SIN_Common<0x6E>;
1302 def COS_r600 : COS_Common<0x6F>;
1303 def ASHR_r600 : ASHR_Common<0x70>;
1304 def LSHR_r600 : LSHR_Common<0x71>;
1305 def LSHL_r600 : LSHL_Common<0x72>;
1306 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1307 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1308 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1309 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1310 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1311
1312 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
Michel Danzerc446baa2013-03-22 14:09:10 +00001313 def : POW_Common <LOG_IEEE_r600, EXP_IEEE_r600, MUL, R600_Reg32>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001314 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1315
1316 def : Pat<(fsqrt R600_Reg32:$src),
1317 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1318
1319 def R600_ExportSwz : ExportSwzInst {
1320 let Word1{20-17} = 1; // BURST_COUNT
1321 let Word1{21} = eop;
1322 let Word1{22} = 1; // VALID_PIXEL_MODE
1323 let Word1{30-23} = inst;
1324 let Word1{31} = 1; // BARRIER
1325 }
1326 defm : ExportPattern<R600_ExportSwz, 39>;
1327
1328 def R600_ExportBuf : ExportBufInst {
1329 let Word1{20-17} = 1; // BURST_COUNT
1330 let Word1{21} = eop;
1331 let Word1{22} = 1; // VALID_PIXEL_MODE
1332 let Word1{30-23} = inst;
1333 let Word1{31} = 1; // BARRIER
1334 }
1335 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1336}
1337
1338// Helper pattern for normalizing inputs to triginomic instructions for R700+
1339// cards.
1340class COS_PAT <InstR600 trig> : Pat<
1341 (fcos R600_Reg32:$src),
Vincent Lejeunef49cf1c2013-03-05 15:04:37 +00001342 (trig (MUL_IEEE (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001343>;
1344
1345class SIN_PAT <InstR600 trig> : Pat<
1346 (fsin R600_Reg32:$src),
Vincent Lejeunef49cf1c2013-03-05 15:04:37 +00001347 (trig (MUL_IEEE (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001348>;
1349
1350//===----------------------------------------------------------------------===//
1351// R700 Only instructions
1352//===----------------------------------------------------------------------===//
1353
1354let Predicates = [isR700] in {
1355 def SIN_r700 : SIN_Common<0x6E>;
1356 def COS_r700 : COS_Common<0x6F>;
1357
1358 // R700 normalizes inputs to SIN/COS the same as EG
1359 def : SIN_PAT <SIN_r700>;
1360 def : COS_PAT <COS_r700>;
1361}
1362
1363//===----------------------------------------------------------------------===//
1364// Evergreen Only instructions
1365//===----------------------------------------------------------------------===//
1366
1367let Predicates = [isEG] in {
Vincent Lejeunea311c5262013-02-10 17:57:33 +00001368
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001369def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1370defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1371
1372def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1373def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1374def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1375def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1376def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1377def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1378def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1379def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1380def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1381def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1382def SIN_eg : SIN_Common<0x8D>;
1383def COS_eg : COS_Common<0x8E>;
1384
Michel Danzerc446baa2013-03-22 14:09:10 +00001385def : POW_Common <LOG_IEEE_eg, EXP_IEEE_eg, MUL, R600_Reg32>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001386def : SIN_PAT <SIN_eg>;
1387def : COS_PAT <COS_eg>;
1388def : Pat<(fsqrt R600_Reg32:$src),
1389 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1390} // End Predicates = [isEG]
1391
1392//===----------------------------------------------------------------------===//
1393// Evergreen / Cayman Instructions
1394//===----------------------------------------------------------------------===//
1395
1396let Predicates = [isEGorCayman] in {
1397
1398 // BFE_UINT - bit_extract, an optimization for mask and shift
1399 // Src0 = Input
1400 // Src1 = Offset
1401 // Src2 = Width
1402 //
1403 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1404 //
1405 // Example Usage:
1406 // (Offset, Width)
1407 //
1408 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1409 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1410 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1411 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1412 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1413 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1414 R600_Reg32:$src1,
1415 R600_Reg32:$src2))],
1416 VecALU
1417 >;
1418
1419 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1420 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1421 R600_Reg32:$src2))],
1422 VecALU
1423 >;
1424
1425 def MULADD_eg : MULADD_Common<0x14>;
Vincent Lejeunee3111962013-02-18 14:11:28 +00001426 def MULADD_IEEE_eg : MULADD_IEEE_Common<0x18>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001427 def ASHR_eg : ASHR_Common<0x15>;
1428 def LSHR_eg : LSHR_Common<0x16>;
1429 def LSHL_eg : LSHL_Common<0x17>;
1430 def CNDE_eg : CNDE_Common<0x19>;
1431 def CNDGT_eg : CNDGT_Common<0x1A>;
1432 def CNDGE_eg : CNDGE_Common<0x1B>;
1433 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1434 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1435 defm DOT4_eg : DOT4_Common<0xBE>;
1436 defm CUBE_eg : CUBE_Common<0xC0>;
1437
Tom Stellardc0b0c672013-02-06 17:32:29 +00001438let hasSideEffects = 1 in {
1439 def MOVA_INT_eg : R600_1OP <0xCC, "MOVA_INT", []>;
1440}
1441
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001442 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1443
1444 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1445 let Pattern = [];
1446 }
1447
1448 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1449
1450 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1451 let Pattern = [];
1452 }
1453
1454 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1455
1456 // TRUNC is used for the FLT_TO_INT instructions to work around a
1457 // perceived problem where the rounding modes are applied differently
1458 // depending on the instruction and the slot they are in.
1459 // See:
1460 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1461 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1462 //
1463 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1464 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1465 // We should look into handling these cases separately.
1466 def : Pat<(fp_to_sint R600_Reg32:$src0),
1467 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1468
1469 def : Pat<(fp_to_uint R600_Reg32:$src0),
1470 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1471
1472 def EG_ExportSwz : ExportSwzInst {
1473 let Word1{19-16} = 1; // BURST_COUNT
1474 let Word1{20} = 1; // VALID_PIXEL_MODE
1475 let Word1{21} = eop;
1476 let Word1{29-22} = inst;
1477 let Word1{30} = 0; // MARK
1478 let Word1{31} = 1; // BARRIER
1479 }
1480 defm : ExportPattern<EG_ExportSwz, 83>;
1481
1482 def EG_ExportBuf : ExportBufInst {
1483 let Word1{19-16} = 1; // BURST_COUNT
1484 let Word1{20} = 1; // VALID_PIXEL_MODE
1485 let Word1{21} = eop;
1486 let Word1{29-22} = inst;
1487 let Word1{30} = 0; // MARK
1488 let Word1{31} = 1; // BARRIER
1489 }
1490 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1491
1492//===----------------------------------------------------------------------===//
1493// Memory read/write instructions
1494//===----------------------------------------------------------------------===//
1495let usesCustomInserter = 1 in {
1496
1497class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1498 list<dag> pattern>
1499 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1500 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1501 let RIM = 0;
1502 // XXX: Have a separate instruction for non-indexed writes.
1503 let TYPE = 1;
1504 let RW_REL = 0;
1505 let ELEM_SIZE = 0;
1506
1507 let ARRAY_SIZE = 0;
1508 let COMP_MASK = comp_mask;
1509 let BURST_COUNT = 0;
1510 let VPM = 0;
1511 let MARK = 0;
1512 let BARRIER = 1;
1513}
1514
1515} // End usesCustomInserter = 1
1516
1517// 32-bit store
1518def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1519 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1520 0x1, "RAT_WRITE_CACHELESS_32_eg",
1521 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1522>;
1523
1524//128-bit store
1525def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1526 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1527 0xf, "RAT_WRITE_CACHELESS_128",
1528 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1529>;
1530
1531class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
Tom Stellard80537b92013-01-23 02:09:01 +00001532 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1533 VTX_WORD1_GPR, VTX_WORD0 {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001534
1535 // Static fields
Tom Stellard80537b92013-01-23 02:09:01 +00001536 let VC_INST = 0;
1537 let FETCH_TYPE = 2;
1538 let FETCH_WHOLE_QUAD = 0;
1539 let BUFFER_ID = buffer_id;
1540 let SRC_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001541 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1542 // to store vertex addresses in any channel, not just X.
Tom Stellard80537b92013-01-23 02:09:01 +00001543 let SRC_SEL_X = 0;
1544 let DST_REL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001545 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1546 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1547 // however, based on my testing if USE_CONST_FIELDS is set, then all
1548 // these fields need to be set to 0.
Tom Stellard80537b92013-01-23 02:09:01 +00001549 let USE_CONST_FIELDS = 0;
1550 let NUM_FORMAT_ALL = 1;
1551 let FORMAT_COMP_ALL = 0;
1552 let SRF_MODE_ALL = 0;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001553
Tom Stellard80537b92013-01-23 02:09:01 +00001554 let Inst{31-0} = Word0;
1555 let Inst{63-32} = Word1;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001556 // LLVM can only encode 64-bit instructions, so these fields are manually
1557 // encoded in R600CodeEmitter
1558 //
1559 // bits<16> OFFSET;
1560 // bits<2> ENDIAN_SWAP = 0;
1561 // bits<1> CONST_BUF_NO_STRIDE = 0;
1562 // bits<1> MEGA_FETCH = 0;
1563 // bits<1> ALT_CONST = 0;
1564 // bits<2> BUFFER_INDEX_MODE = 0;
1565
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001566
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001567
1568 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1569 // is done in R600CodeEmitter
1570 //
1571 // Inst{79-64} = OFFSET;
1572 // Inst{81-80} = ENDIAN_SWAP;
1573 // Inst{82} = CONST_BUF_NO_STRIDE;
1574 // Inst{83} = MEGA_FETCH;
1575 // Inst{84} = ALT_CONST;
1576 // Inst{86-85} = BUFFER_INDEX_MODE;
1577 // Inst{95-86} = 0; Reserved
1578
1579 // VTX_WORD3 (Padding)
1580 //
1581 // Inst{127-96} = 0;
1582}
1583
1584class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1585 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1586 pattern> {
1587
1588 let MEGA_FETCH_COUNT = 1;
1589 let DST_SEL_X = 0;
1590 let DST_SEL_Y = 7; // Masked
1591 let DST_SEL_Z = 7; // Masked
1592 let DST_SEL_W = 7; // Masked
1593 let DATA_FORMAT = 1; // FMT_8
1594}
1595
1596class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1597 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1598 pattern> {
1599 let MEGA_FETCH_COUNT = 2;
1600 let DST_SEL_X = 0;
1601 let DST_SEL_Y = 7; // Masked
1602 let DST_SEL_Z = 7; // Masked
1603 let DST_SEL_W = 7; // Masked
1604 let DATA_FORMAT = 5; // FMT_16
1605
1606}
1607
1608class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1609 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1610 pattern> {
1611
1612 let MEGA_FETCH_COUNT = 4;
1613 let DST_SEL_X = 0;
1614 let DST_SEL_Y = 7; // Masked
1615 let DST_SEL_Z = 7; // Masked
1616 let DST_SEL_W = 7; // Masked
1617 let DATA_FORMAT = 0xD; // COLOR_32
1618
1619 // This is not really necessary, but there were some GPU hangs that appeared
1620 // to be caused by ALU instructions in the next instruction group that wrote
Vincent Lejeunea311c5262013-02-10 17:57:33 +00001621 // to the $ptr registers of the VTX_READ.
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001622 // e.g.
1623 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1624 // %T2_X<def> = MOV %ZERO
1625 //Adding this constraint prevents this from happening.
1626 let Constraints = "$ptr.ptr = $dst";
1627}
1628
1629class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1630 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1631 pattern> {
1632
1633 let MEGA_FETCH_COUNT = 16;
1634 let DST_SEL_X = 0;
1635 let DST_SEL_Y = 1;
1636 let DST_SEL_Z = 2;
1637 let DST_SEL_W = 3;
1638 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1639
1640 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1641 // that holds its buffer address to avoid potential hangs. We can't use
1642 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1643 // registers are different sizes.
1644}
1645
1646//===----------------------------------------------------------------------===//
1647// VTX Read from parameter memory space
1648//===----------------------------------------------------------------------===//
1649
1650def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1651 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1652>;
1653
1654def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1655 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1656>;
1657
1658def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1659 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1660>;
1661
Tom Stellard76308d82013-02-13 22:05:20 +00001662def VTX_READ_PARAM_128_eg : VTX_READ_128_eg <0,
1663 [(set (v4i32 R600_Reg128:$dst), (load_param ADDRVTX_READ:$ptr))]
1664>;
1665
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001666//===----------------------------------------------------------------------===//
1667// VTX Read from global memory space
1668//===----------------------------------------------------------------------===//
1669
1670// 8-bit reads
1671def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1672 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1673>;
1674
1675// 32-bit reads
1676def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1677 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1678>;
1679
1680// 128-bit reads
1681def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1682 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1683>;
1684
1685//===----------------------------------------------------------------------===//
1686// Constant Loads
1687// XXX: We are currently storing all constants in the global address space.
1688//===----------------------------------------------------------------------===//
1689
1690def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1691 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1692>;
1693
1694}
1695
Tom Stellardc0b0c672013-02-06 17:32:29 +00001696//===----------------------------------------------------------------------===//
1697// Regist loads and stores - for indirect addressing
1698//===----------------------------------------------------------------------===//
1699
1700defm R600_ : RegisterLoadStore <R600_Reg32, FRAMEri, ADDRIndirect>;
1701
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001702let Predicates = [isCayman] in {
1703
Vincent Lejeunea311c5262013-02-10 17:57:33 +00001704let isVector = 1 in {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001705
1706def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1707
1708def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1709def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1710def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1711def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1712def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1713def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
Michel Danzerc446baa2013-03-22 14:09:10 +00001714def LOG_IEEE_cm : LOG_IEEE_Common<0x83>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001715def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1716def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1717def SIN_cm : SIN_Common<0x8D>;
1718def COS_cm : COS_Common<0x8E>;
1719} // End isVector = 1
1720
Michel Danzerc446baa2013-03-22 14:09:10 +00001721def : POW_Common <LOG_IEEE_cm, EXP_IEEE_cm, MUL, R600_Reg32>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001722def : SIN_PAT <SIN_cm>;
1723def : COS_PAT <COS_cm>;
1724
1725defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1726
1727// RECIP_UINT emulation for Cayman
1728def : Pat <
1729 (AMDGPUurecip R600_Reg32:$src0),
1730 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1731 (MOV_IMM_I32 0x4f800000)))
1732>;
1733
1734
1735def : Pat<(fsqrt R600_Reg32:$src),
1736 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1737
1738} // End isCayman
1739
1740//===----------------------------------------------------------------------===//
1741// Branch Instructions
1742//===----------------------------------------------------------------------===//
1743
1744
1745def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1746 "IF_PREDICATE_SET $src", []>;
1747
1748def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1749 "PREDICATED_BREAK $src", []>;
1750
1751//===----------------------------------------------------------------------===//
1752// Pseudo instructions
1753//===----------------------------------------------------------------------===//
1754
1755let isPseudo = 1 in {
1756
1757def PRED_X : InstR600 <
1758 0, (outs R600_Predicate_Bit:$dst),
1759 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1760 "", [], NullALU> {
1761 let FlagOperandIdx = 3;
1762}
1763
Vincent Lejeunefd49dac2013-03-11 18:15:06 +00001764let isTerminator = 1, isBranch = 1 in {
1765def JUMP_COND : InstR600 <0x10,
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001766 (outs),
Vincent Lejeunefd49dac2013-03-11 18:15:06 +00001767 (ins brtarget:$target, R600_Predicate_Bit:$p),
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001768 "JUMP $target ($p)",
1769 [], AnyALU
1770 >;
1771
Vincent Lejeunefd49dac2013-03-11 18:15:06 +00001772def JUMP : InstR600 <0x10,
1773 (outs),
1774 (ins brtarget:$target),
1775 "JUMP $target",
1776 [], AnyALU
1777 >
1778{
1779 let isPredicable = 1;
1780 let isBarrier = 1;
1781}
1782
1783} // End isTerminator = 1, isBranch = 1
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001784
1785let usesCustomInserter = 1 in {
1786
1787let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1788
1789def MASK_WRITE : AMDGPUShaderInst <
1790 (outs),
1791 (ins R600_Reg32:$src),
1792 "MASK_WRITE $src",
1793 []
1794>;
1795
1796} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1797
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001798
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001799def TXD: AMDGPUShaderInst <
1800 (outs R600_Reg128:$dst),
1801 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1802 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1803 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1804>;
1805
1806def TXD_SHADOW: AMDGPUShaderInst <
1807 (outs R600_Reg128:$dst),
1808 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1809 "TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1810 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
1811>;
1812
1813} // End isPseudo = 1
1814} // End usesCustomInserter = 1
1815
1816def CLAMP_R600 : CLAMP <R600_Reg32>;
1817def FABS_R600 : FABS<R600_Reg32>;
1818def FNEG_R600 : FNEG<R600_Reg32>;
1819
1820//===---------------------------------------------------------------------===//
1821// Return instruction
1822//===---------------------------------------------------------------------===//
Vincent Lejeunefd49dac2013-03-11 18:15:06 +00001823let isTerminator = 1, isReturn = 1, hasCtrlDep = 1,
Jakob Stoklund Olesena499d2b2013-02-05 17:53:52 +00001824 usesCustomInserter = 1 in {
Tom Stellardf98f2ce2012-12-11 21:25:42 +00001825 def RETURN : ILFormat<(outs), (ins variable_ops),
1826 "RETURN", [(IL_retflag)]>;
1827}
1828
Tom Stellard9f7818d2013-01-23 02:09:06 +00001829
1830//===----------------------------------------------------------------------===//
1831// Constant Buffer Addressing Support
1832//===----------------------------------------------------------------------===//
1833
Vincent Lejeuned4c3e562013-03-05 15:04:55 +00001834let usesCustomInserter = 1, isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU" in {
Tom Stellard9f7818d2013-01-23 02:09:06 +00001835def CONST_COPY : Instruction {
1836 let OutOperandList = (outs R600_Reg32:$dst);
1837 let InOperandList = (ins i32imm:$src);
Vincent Lejeuned4c3e562013-03-05 15:04:55 +00001838 let Pattern =
1839 [(set R600_Reg32:$dst, (CONST_ADDRESS ADDRGA_CONST_OFFSET:$src))];
Tom Stellard9f7818d2013-01-23 02:09:06 +00001840 let AsmString = "CONST_COPY";
1841 let neverHasSideEffects = 1;
1842 let isAsCheapAsAMove = 1;
1843 let Itinerary = NullALU;
1844}
Vincent Lejeuned4c3e562013-03-05 15:04:55 +00001845} // end usesCustomInserter = 1, isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU"
Tom Stellard9f7818d2013-01-23 02:09:06 +00001846
1847def TEX_VTX_CONSTBUF :
Vincent Lejeune3f7f8e82013-03-05 15:04:29 +00001848 InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr, i32imm:$BUFFER_ID), "VTX_READ_eg $dst, $ptr",
1849 [(set R600_Reg128:$dst, (CONST_ADDRESS ADDRGA_VAR_OFFSET:$ptr, (i32 imm:$BUFFER_ID)))]>,
Tom Stellard9f7818d2013-01-23 02:09:06 +00001850 VTX_WORD1_GPR, VTX_WORD0 {
1851
1852 let VC_INST = 0;
1853 let FETCH_TYPE = 2;
1854 let FETCH_WHOLE_QUAD = 0;
Tom Stellard9f7818d2013-01-23 02:09:06 +00001855 let SRC_REL = 0;
1856 let SRC_SEL_X = 0;
1857 let DST_REL = 0;
1858 let USE_CONST_FIELDS = 0;
1859 let NUM_FORMAT_ALL = 2;
1860 let FORMAT_COMP_ALL = 1;
1861 let SRF_MODE_ALL = 1;
1862 let MEGA_FETCH_COUNT = 16;
1863 let DST_SEL_X = 0;
1864 let DST_SEL_Y = 1;
1865 let DST_SEL_Z = 2;
1866 let DST_SEL_W = 3;
1867 let DATA_FORMAT = 35;
1868
1869 let Inst{31-0} = Word0;
1870 let Inst{63-32} = Word1;
1871
1872// LLVM can only encode 64-bit instructions, so these fields are manually
1873// encoded in R600CodeEmitter
1874//
1875// bits<16> OFFSET;
1876// bits<2> ENDIAN_SWAP = 0;
1877// bits<1> CONST_BUF_NO_STRIDE = 0;
1878// bits<1> MEGA_FETCH = 0;
1879// bits<1> ALT_CONST = 0;
1880// bits<2> BUFFER_INDEX_MODE = 0;
1881
1882
1883
1884// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1885// is done in R600CodeEmitter
1886//
1887// Inst{79-64} = OFFSET;
1888// Inst{81-80} = ENDIAN_SWAP;
1889// Inst{82} = CONST_BUF_NO_STRIDE;
1890// Inst{83} = MEGA_FETCH;
1891// Inst{84} = ALT_CONST;
1892// Inst{86-85} = BUFFER_INDEX_MODE;
1893// Inst{95-86} = 0; Reserved
1894
1895// VTX_WORD3 (Padding)
1896//
1897// Inst{127-96} = 0;
1898}
1899
Vincent Lejeunebbbef492013-02-18 14:11:19 +00001900def TEX_VTX_TEXBUF:
1901 InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr, i32imm:$BUFFER_ID), "TEX_VTX_EXPLICIT_READ $dst, $ptr",
1902 [(set R600_Reg128:$dst, (int_R600_load_texbuf ADDRGA_VAR_OFFSET:$ptr, imm:$BUFFER_ID))]>,
1903VTX_WORD1_GPR, VTX_WORD0 {
1904
1905let VC_INST = 0;
1906let FETCH_TYPE = 2;
1907let FETCH_WHOLE_QUAD = 0;
1908let SRC_REL = 0;
1909let SRC_SEL_X = 0;
1910let DST_REL = 0;
1911let USE_CONST_FIELDS = 1;
1912let NUM_FORMAT_ALL = 0;
1913let FORMAT_COMP_ALL = 0;
1914let SRF_MODE_ALL = 1;
1915let MEGA_FETCH_COUNT = 16;
1916let DST_SEL_X = 0;
1917let DST_SEL_Y = 1;
1918let DST_SEL_Z = 2;
1919let DST_SEL_W = 3;
1920let DATA_FORMAT = 0;
1921
1922let Inst{31-0} = Word0;
1923let Inst{63-32} = Word1;
1924
1925// LLVM can only encode 64-bit instructions, so these fields are manually
1926// encoded in R600CodeEmitter
1927//
1928// bits<16> OFFSET;
1929// bits<2> ENDIAN_SWAP = 0;
1930// bits<1> CONST_BUF_NO_STRIDE = 0;
1931// bits<1> MEGA_FETCH = 0;
1932// bits<1> ALT_CONST = 0;
1933// bits<2> BUFFER_INDEX_MODE = 0;
1934
1935
1936
1937// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1938// is done in R600CodeEmitter
1939//
1940// Inst{79-64} = OFFSET;
1941// Inst{81-80} = ENDIAN_SWAP;
1942// Inst{82} = CONST_BUF_NO_STRIDE;
1943// Inst{83} = MEGA_FETCH;
1944// Inst{84} = ALT_CONST;
1945// Inst{86-85} = BUFFER_INDEX_MODE;
1946// Inst{95-86} = 0; Reserved
1947
1948// VTX_WORD3 (Padding)
1949//
1950// Inst{127-96} = 0;
1951}
1952
1953
Tom Stellard9f7818d2013-01-23 02:09:06 +00001954
Tom Stellard6b7d99d2012-12-19 22:10:31 +00001955//===--------------------------------------------------------------------===//
1956// Instructions support
1957//===--------------------------------------------------------------------===//
1958//===---------------------------------------------------------------------===//
1959// Custom Inserter for Branches and returns, this eventually will be a
1960// seperate pass
1961//===---------------------------------------------------------------------===//
1962let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1963 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1964 "; Pseudo unconditional branch instruction",
1965 [(br bb:$target)]>;
1966 defm BRANCH_COND : BranchConditional<IL_brcond>;
1967}
1968
1969//===---------------------------------------------------------------------===//
1970// Flow and Program control Instructions
1971//===---------------------------------------------------------------------===//
1972let isTerminator=1 in {
1973 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1974 !strconcat("SWITCH", " $src"), []>;
1975 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1976 !strconcat("CASE", " $src"), []>;
1977 def BREAK : ILFormat< (outs), (ins),
1978 "BREAK", []>;
1979 def CONTINUE : ILFormat< (outs), (ins),
1980 "CONTINUE", []>;
1981 def DEFAULT : ILFormat< (outs), (ins),
1982 "DEFAULT", []>;
1983 def ELSE : ILFormat< (outs), (ins),
1984 "ELSE", []>;
1985 def ENDSWITCH : ILFormat< (outs), (ins),
1986 "ENDSWITCH", []>;
1987 def ENDMAIN : ILFormat< (outs), (ins),
1988 "ENDMAIN", []>;
1989 def END : ILFormat< (outs), (ins),
1990 "END", []>;
1991 def ENDFUNC : ILFormat< (outs), (ins),
1992 "ENDFUNC", []>;
1993 def ENDIF : ILFormat< (outs), (ins),
1994 "ENDIF", []>;
1995 def WHILELOOP : ILFormat< (outs), (ins),
1996 "WHILE", []>;
1997 def ENDLOOP : ILFormat< (outs), (ins),
1998 "ENDLOOP", []>;
1999 def FUNC : ILFormat< (outs), (ins),
2000 "FUNC", []>;
2001 def RETDYN : ILFormat< (outs), (ins),
2002 "RET_DYN", []>;
2003 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
2004 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
2005 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
2006 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
2007 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
2008 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
2009 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
2010 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
2011 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
2012 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
2013 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
2014 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
2015 defm IFC : BranchInstr2<"IFC">;
2016 defm BREAKC : BranchInstr2<"BREAKC">;
2017 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
2018}
2019
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002020//===----------------------------------------------------------------------===//
2021// ISel Patterns
2022//===----------------------------------------------------------------------===//
2023
Tom Stellard1454cb82013-03-08 15:37:09 +00002024// CND*_INT Pattterns for f32 True / False values
2025
2026class CND_INT_f32 <InstR600 cnd, CondCode cc> : Pat <
2027 (selectcc (i32 R600_Reg32:$src0), 0, (f32 R600_Reg32:$src1),
2028 R600_Reg32:$src2, cc),
2029 (cnd R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
2030>;
2031
2032def : CND_INT_f32 <CNDE_INT, SETEQ>;
2033def : CND_INT_f32 <CNDGT_INT, SETGT>;
2034def : CND_INT_f32 <CNDGE_INT, SETGE>;
2035
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002036//CNDGE_INT extra pattern
2037def : Pat <
2038 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
2039 (i32 R600_Reg32:$src2), COND_GT),
2040 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
2041>;
2042
2043// KIL Patterns
2044def KILP : Pat <
2045 (int_AMDGPU_kilp),
2046 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
2047>;
2048
2049def KIL : Pat <
2050 (int_AMDGPU_kill R600_Reg32:$src0),
2051 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
2052>;
2053
2054// SGT Reverse args
2055def : Pat <
2056 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
2057 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
2058>;
2059
2060// SGE Reverse args
2061def : Pat <
2062 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
Vincent Lejeunea311c5262013-02-10 17:57:33 +00002063 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002064>;
2065
Tom Stellard1234c9b2013-02-07 14:02:35 +00002066// SETGT_DX10 reverse args
2067def : Pat <
2068 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, COND_LT),
2069 (SETGT_DX10 R600_Reg32:$src1, R600_Reg32:$src0)
2070>;
2071
2072// SETGE_DX10 reverse args
2073def : Pat <
2074 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, COND_LE),
2075 (SETGE_DX10 R600_Reg32:$src1, R600_Reg32:$src0)
2076>;
2077
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002078// SETGT_INT reverse args
2079def : Pat <
2080 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
2081 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
2082>;
2083
2084// SETGE_INT reverse args
2085def : Pat <
2086 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
2087 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
2088>;
2089
2090// SETGT_UINT reverse args
2091def : Pat <
2092 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
2093 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
2094>;
2095
2096// SETGE_UINT reverse args
2097def : Pat <
2098 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
2099 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
2100>;
2101
2102// The next two patterns are special cases for handling 'true if ordered' and
2103// 'true if unordered' conditionals. The assumption here is that the behavior of
2104// SETE and SNE conforms to the Direct3D 10 rules for floating point values
2105// described here:
2106// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
2107// We assume that SETE returns false when one of the operands is NAN and
2108// SNE returns true when on of the operands is NAN
2109
2110//SETE - 'true if ordered'
2111def : Pat <
2112 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
2113 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
2114>;
2115
Tom Stellard1234c9b2013-02-07 14:02:35 +00002116//SETE_DX10 - 'true if ordered'
2117def : Pat <
2118 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETO),
2119 (SETE_DX10 R600_Reg32:$src0, R600_Reg32:$src1)
2120>;
2121
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002122//SNE - 'true if unordered'
2123def : Pat <
2124 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
2125 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
2126>;
2127
Tom Stellard1234c9b2013-02-07 14:02:35 +00002128//SETNE_DX10 - 'true if ordered'
2129def : Pat <
2130 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUO),
2131 (SETNE_DX10 R600_Reg32:$src0, R600_Reg32:$src1)
2132>;
2133
Tom Stellard07b59ba2013-02-07 14:02:37 +00002134def : Extract_Element <f32, v4f32, R600_Reg128, 0, sub0>;
2135def : Extract_Element <f32, v4f32, R600_Reg128, 1, sub1>;
2136def : Extract_Element <f32, v4f32, R600_Reg128, 2, sub2>;
2137def : Extract_Element <f32, v4f32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002138
Tom Stellard07b59ba2013-02-07 14:02:37 +00002139def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sub0>;
2140def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sub1>;
2141def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sub2>;
2142def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002143
Tom Stellard07b59ba2013-02-07 14:02:37 +00002144def : Extract_Element <i32, v4i32, R600_Reg128, 0, sub0>;
2145def : Extract_Element <i32, v4i32, R600_Reg128, 1, sub1>;
2146def : Extract_Element <i32, v4i32, R600_Reg128, 2, sub2>;
2147def : Extract_Element <i32, v4i32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002148
Tom Stellard07b59ba2013-02-07 14:02:37 +00002149def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sub0>;
2150def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sub1>;
2151def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sub2>;
2152def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sub3>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002153
Christian Konig2d7f19e2013-03-18 11:34:10 +00002154def : Vector4_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
2155def : Vector4_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
Tom Stellardf98f2ce2012-12-11 21:25:42 +00002156
2157// bitconvert patterns
2158
2159def : BitConvert <i32, f32, R600_Reg32>;
2160def : BitConvert <f32, i32, R600_Reg32>;
2161def : BitConvert <v4f32, v4i32, R600_Reg128>;
2162def : BitConvert <v4i32, v4f32, R600_Reg128>;
2163
2164// DWORDADDR pattern
2165def : DwordAddrPat <i32, R600_Reg32>;
2166
2167} // End isR600toCayman Predicate