1 //===-- SIInstrFormats.td - SI Instruction Encodings ----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // SI Instruction format definitions.
12 //===----------------------------------------------------------------------===//
14 class InstSI <dag outs, dag ins, string asm, list<dag> pattern> :
15 AMDGPUInst<outs, ins, asm, pattern>, PredicateControl {
17 field bits<1> VM_CNT = 0;
18 field bits<1> EXP_CNT = 0;
19 field bits<1> LGKM_CNT = 0;
21 field bits<1> SALU = 0;
22 field bits<1> VALU = 0;
24 field bits<1> SOP1 = 0;
25 field bits<1> SOP2 = 0;
26 field bits<1> SOPC = 0;
27 field bits<1> SOPK = 0;
28 field bits<1> SOPP = 0;
30 field bits<1> VOP1 = 0;
31 field bits<1> VOP2 = 0;
32 field bits<1> VOP3 = 0;
33 field bits<1> VOPC = 0;
35 field bits<1> MUBUF = 0;
36 field bits<1> MTBUF = 0;
37 field bits<1> SMRD = 0;
39 field bits<1> MIMG = 0;
40 field bits<1> FLAT = 0;
41 field bits<1> WQM = 0;
43 // These need to be kept in sync with the enum in SIInstrFlags.
44 let TSFlags{0} = VM_CNT;
45 let TSFlags{1} = EXP_CNT;
46 let TSFlags{2} = LGKM_CNT;
48 let TSFlags{3} = SALU;
49 let TSFlags{4} = VALU;
51 let TSFlags{5} = SOP1;
52 let TSFlags{6} = SOP2;
53 let TSFlags{7} = SOPC;
54 let TSFlags{8} = SOPK;
55 let TSFlags{9} = SOPP;
57 let TSFlags{10} = VOP1;
58 let TSFlags{11} = VOP2;
59 let TSFlags{12} = VOP3;
60 let TSFlags{13} = VOPC;
62 let TSFlags{14} = MUBUF;
63 let TSFlags{15} = MTBUF;
64 let TSFlags{16} = SMRD;
66 let TSFlags{18} = MIMG;
67 let TSFlags{19} = FLAT;
68 let TSFlags{20} = WQM;
70 // Most instructions require adjustments after selection to satisfy
71 // operand requirements.
72 let hasPostISelHook = 1;
73 let SchedRW = [Write32Bit];
86 class VOPDstOperand <RegisterClass rc> : RegisterOperand <rc, "printVOPDst">;
87 def VOPDstVCC : VOPDstOperand <VCCReg>;
89 let Uses = [EXEC] in {
91 class VOPAnyCommon <dag outs, dag ins, string asm, list<dag> pattern> :
92 InstSI <outs, ins, asm, pattern> {
96 let hasSideEffects = 0;
97 let UseNamedOperandTable = 1;
101 class VOPCCommon <dag ins, string asm, list<dag> pattern> :
102 VOPAnyCommon <(outs VOPDstVCC:$dst), ins, asm, pattern> {
104 let DisableEncoding = "$dst";
109 class VOP1Common <dag outs, dag ins, string asm, list<dag> pattern> :
110 VOPAnyCommon <outs, ins, asm, pattern> {
116 class VOP2Common <dag outs, dag ins, string asm, list<dag> pattern> :
117 VOPAnyCommon <outs, ins, asm, pattern> {
123 class VOP3Common <dag outs, dag ins, string asm, list<dag> pattern> :
124 VOPAnyCommon <outs, ins, asm, pattern> {
126 // Using complex patterns gives VOP3 patterns a very high complexity rating,
127 // but standalone patterns are almost always prefered, so we need to adjust the
128 // priority lower. The goal is to use a high number to reduce complexity to
129 // zero (or less than zero).
130 let AddedComplexity = -1000;
136 } // End Uses = [EXEC]
138 //===----------------------------------------------------------------------===//
140 //===----------------------------------------------------------------------===//
142 class SOP1e <bits<8> op> : Enc32 {
146 let Inst{7-0} = ssrc0;
148 let Inst{22-16} = sdst;
149 let Inst{31-23} = 0x17d; //encoding;
152 class SOP2e <bits<7> op> : Enc32 {
157 let Inst{7-0} = ssrc0;
158 let Inst{15-8} = ssrc1;
159 let Inst{22-16} = sdst;
160 let Inst{29-23} = op;
161 let Inst{31-30} = 0x2; // encoding
164 class SOPCe <bits<7> op> : Enc32 {
168 let Inst{7-0} = ssrc0;
169 let Inst{15-8} = ssrc1;
170 let Inst{22-16} = op;
171 let Inst{31-23} = 0x17e;
174 class SOPKe <bits<5> op> : Enc32 {
178 let Inst{15-0} = simm16;
179 let Inst{22-16} = sdst;
180 let Inst{27-23} = op;
181 let Inst{31-28} = 0xb; //encoding
184 class SOPK64e <bits<5> op> : Enc64 {
189 let Inst{15-0} = simm16;
190 let Inst{22-16} = sdst;
191 let Inst{27-23} = op;
192 let Inst{31-28} = 0xb;
194 let Inst{63-32} = imm;
197 class SOPPe <bits<7> op> : Enc32 {
200 let Inst{15-0} = simm16;
201 let Inst{22-16} = op;
202 let Inst{31-23} = 0x17f; // encoding
205 class SMRDe <bits<5> op, bits<1> imm> : Enc32 {
210 let Inst{7-0} = offset;
212 let Inst{14-9} = sbase{6-1};
213 let Inst{21-15} = sdst;
214 let Inst{26-22} = op;
215 let Inst{31-27} = 0x18; //encoding
218 let SchedRW = [WriteSALU] in {
219 class SOP1 <dag outs, dag ins, string asm, list<dag> pattern> :
220 InstSI<outs, ins, asm, pattern> {
223 let hasSideEffects = 0;
228 class SOP2 <dag outs, dag ins, string asm, list<dag> pattern> :
229 InstSI <outs, ins, asm, pattern> {
233 let hasSideEffects = 0;
237 let UseNamedOperandTable = 1;
240 class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
241 InstSI<outs, ins, asm, pattern>, SOPCe <op> {
243 let DisableEncoding = "$dst";
246 let hasSideEffects = 0;
250 let UseNamedOperandTable = 1;
253 class SOPK <dag outs, dag ins, string asm, list<dag> pattern> :
254 InstSI <outs, ins , asm, pattern> {
258 let hasSideEffects = 0;
262 let UseNamedOperandTable = 1;
265 class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern = []> :
266 InstSI <(outs), ins, asm, pattern >, SOPPe <op> {
270 let hasSideEffects = 0;
274 let UseNamedOperandTable = 1;
277 } // let SchedRW = [WriteSALU]
279 class SMRD <dag outs, dag ins, string asm, list<dag> pattern> :
280 InstSI<outs, ins, asm, pattern> {
286 let hasSideEffects = 0;
287 let UseNamedOperandTable = 1;
288 let SchedRW = [WriteSMEM];
291 //===----------------------------------------------------------------------===//
292 // Vector ALU operations
293 //===----------------------------------------------------------------------===//
295 class VOP1e <bits<8> op> : Enc32 {
299 let Inst{8-0} = src0;
301 let Inst{24-17} = vdst;
302 let Inst{31-25} = 0x3f; //encoding
305 class VOP2e <bits<6> op> : Enc32 {
310 let Inst{8-0} = src0;
311 let Inst{16-9} = src1;
312 let Inst{24-17} = vdst;
313 let Inst{30-25} = op;
314 let Inst{31} = 0x0; //encoding
317 class VOP2_MADKe <bits<6> op> : Enc64 {
324 let Inst{8-0} = src0;
325 let Inst{16-9} = vsrc1;
326 let Inst{24-17} = vdst;
327 let Inst{30-25} = op;
328 let Inst{31} = 0x0; // encoding
329 let Inst{63-32} = src2;
332 class VOP3e <bits<9> op> : Enc64 {
334 bits<2> src0_modifiers;
336 bits<2> src1_modifiers;
338 bits<2> src2_modifiers;
343 let Inst{7-0} = vdst;
344 let Inst{8} = src0_modifiers{1};
345 let Inst{9} = src1_modifiers{1};
346 let Inst{10} = src2_modifiers{1};
347 let Inst{11} = clamp;
348 let Inst{25-17} = op;
349 let Inst{31-26} = 0x34; //encoding
350 let Inst{40-32} = src0;
351 let Inst{49-41} = src1;
352 let Inst{58-50} = src2;
353 let Inst{60-59} = omod;
354 let Inst{61} = src0_modifiers{0};
355 let Inst{62} = src1_modifiers{0};
356 let Inst{63} = src2_modifiers{0};
359 class VOP3be <bits<9> op> : Enc64 {
361 bits<2> src0_modifiers;
363 bits<2> src1_modifiers;
365 bits<2> src2_modifiers;
370 let Inst{7-0} = vdst;
371 let Inst{14-8} = sdst;
372 let Inst{25-17} = op;
373 let Inst{31-26} = 0x34; //encoding
374 let Inst{40-32} = src0;
375 let Inst{49-41} = src1;
376 let Inst{58-50} = src2;
377 let Inst{60-59} = omod;
378 let Inst{61} = src0_modifiers{0};
379 let Inst{62} = src1_modifiers{0};
380 let Inst{63} = src2_modifiers{0};
383 class VOPCe <bits<8> op> : Enc32 {
387 let Inst{8-0} = src0;
388 let Inst{16-9} = vsrc1;
389 let Inst{24-17} = op;
390 let Inst{31-25} = 0x3e;
393 class VINTRPe <bits<2> op> : Enc32 {
399 let Inst{7-0} = vsrc;
400 let Inst{9-8} = attrchan;
401 let Inst{15-10} = attr;
402 let Inst{17-16} = op;
403 let Inst{25-18} = vdst;
404 let Inst{31-26} = 0x32; // encoding
407 class DSe <bits<8> op> : Enc64 {
416 let Inst{7-0} = offset0;
417 let Inst{15-8} = offset1;
419 let Inst{25-18} = op;
420 let Inst{31-26} = 0x36; //encoding
421 let Inst{39-32} = addr;
422 let Inst{47-40} = data0;
423 let Inst{55-48} = data1;
424 let Inst{63-56} = vdst;
427 class MUBUFe <bits<7> op> : Enc64 {
441 let Inst{11-0} = offset;
442 let Inst{12} = offen;
443 let Inst{13} = idxen;
445 let Inst{15} = addr64;
447 let Inst{24-18} = op;
448 let Inst{31-26} = 0x38; //encoding
449 let Inst{39-32} = vaddr;
450 let Inst{47-40} = vdata;
451 let Inst{52-48} = srsrc{6-2};
454 let Inst{63-56} = soffset;
457 class MTBUFe <bits<3> op> : Enc64 {
472 let Inst{11-0} = offset;
473 let Inst{12} = offen;
474 let Inst{13} = idxen;
476 let Inst{15} = addr64;
477 let Inst{18-16} = op;
478 let Inst{22-19} = dfmt;
479 let Inst{25-23} = nfmt;
480 let Inst{31-26} = 0x3a; //encoding
481 let Inst{39-32} = vaddr;
482 let Inst{47-40} = vdata;
483 let Inst{52-48} = srsrc{6-2};
486 let Inst{63-56} = soffset;
489 class MIMGe <bits<7> op> : Enc64 {
503 let Inst{11-8} = dmask;
504 let Inst{12} = unorm;
510 let Inst{24-18} = op;
512 let Inst{31-26} = 0x3c;
513 let Inst{39-32} = vaddr;
514 let Inst{47-40} = vdata;
515 let Inst{52-48} = srsrc{6-2};
516 let Inst{57-53} = ssamp{6-2};
519 class FLATe<bits<7> op> : Enc64 {
530 let Inst{24-18} = op;
531 let Inst{31-26} = 0x37; // Encoding.
532 let Inst{39-32} = addr;
533 let Inst{47-40} = data;
534 // 54-48 is reserved.
536 let Inst{63-56} = vdst;
552 let Inst{10} = compr;
555 let Inst{31-26} = 0x3e;
556 let Inst{39-32} = vsrc0;
557 let Inst{47-40} = vsrc1;
558 let Inst{55-48} = vsrc2;
559 let Inst{63-56} = vsrc3;
562 let Uses = [EXEC] in {
564 class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
565 VOP1Common <outs, ins, asm, pattern>,
568 class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
569 VOP2Common <outs, ins, asm, pattern>, VOP2e<op>;
571 class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
572 VOPCCommon <ins, asm, pattern>, VOPCe <op>;
574 class VINTRPCommon <dag outs, dag ins, string asm, list<dag> pattern> :
575 InstSI <outs, ins, asm, pattern> {
578 let hasSideEffects = 0;
581 } // End Uses = [EXEC]
583 //===----------------------------------------------------------------------===//
584 // Vector I/O operations
585 //===----------------------------------------------------------------------===//
587 let Uses = [EXEC] in {
589 class DS <dag outs, dag ins, string asm, list<dag> pattern> :
590 InstSI <outs, ins, asm, pattern> {
594 let UseNamedOperandTable = 1;
595 let DisableEncoding = "$m0";
597 // Most instruction load and store data, so set this as the default.
601 let hasSideEffects = 0;
602 let SchedRW = [WriteLDS];
605 class MUBUF <dag outs, dag ins, string asm, list<dag> pattern> :
606 InstSI<outs, ins, asm, pattern> {
612 let hasSideEffects = 0;
613 let UseNamedOperandTable = 1;
614 let SchedRW = [WriteVMEM];
617 class MTBUF <dag outs, dag ins, string asm, list<dag> pattern> :
618 InstSI<outs, ins, asm, pattern> {
624 let hasSideEffects = 0;
625 let UseNamedOperandTable = 1;
626 let SchedRW = [WriteVMEM];
629 class FLAT <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
630 InstSI<outs, ins, asm, pattern>, FLATe <op> {
632 // Internally, FLAT instruction are executed as both an LDS and a
633 // Buffer instruction; so, they increment both VM_CNT and LGKM_CNT
634 // and are not considered done until both have been decremented.
638 let Uses = [EXEC, FLAT_SCR]; // M0
640 let UseNamedOperandTable = 1;
641 let hasSideEffects = 0;
644 class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
645 InstSI <outs, ins, asm, pattern>, MIMGe <op> {
651 let hasSideEffects = 0; // XXX ????
655 } // End Uses = [EXEC]