1 //===-- SIInstrInfo.td - SI Instruction Encodings ---------*- tablegen -*--===//
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 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
13 def SDTVCCBinaryOp : SDTypeProfile<1, 2, [
14 SDTCisInt<0>, SDTCisInt<1>, SDTCisSameAs<1, 2>
17 //===----------------------------------------------------------------------===//
19 //===----------------------------------------------------------------------===//
21 // and operation on 64-bit wide vcc
22 def SIsreg1_and : SDNode<"SIISD::VCC_AND", SDTVCCBinaryOp,
23 [SDNPCommutative, SDNPAssociative]
26 // Special bitcast node for sharing VCC register between VALU and SALU
27 def SIsreg1_bitcast : SDNode<"SIISD::VCC_BITCAST",
28 SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisInt<1>]>
31 // and operation on 64-bit wide vcc
32 def SIvcc_and : SDNode<"SIISD::VCC_AND", SDTVCCBinaryOp,
33 [SDNPCommutative, SDNPAssociative]
36 // Special bitcast node for sharing VCC register between VALU and SALU
37 def SIvcc_bitcast : SDNode<"SIISD::VCC_BITCAST",
38 SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisInt<1>]>
41 // SMRD takes a 64bit memory address and can only add an 32bit offset
42 def SIadd64bit32bit : SDNode<"ISD::ADD",
43 SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>, SDTCisVT<0, i64>, SDTCisVT<2, i32>]>
46 // Transformation function, extract the lower 32bit of a 64bit immediate
47 def LO32 : SDNodeXForm<imm, [{
48 return CurDAG->getTargetConstant(N->getZExtValue() & 0xffffffff, MVT::i32);
51 // Transformation function, extract the upper 32bit of a 64bit immediate
52 def HI32 : SDNodeXForm<imm, [{
53 return CurDAG->getTargetConstant(N->getZExtValue() >> 32, MVT::i32);
56 def IMM8bitDWORD : ImmLeaf <
58 return (Imm & ~0x3FC) == 0;
59 }], SDNodeXForm<imm, [{
60 return CurDAG->getTargetConstant(
61 N->getZExtValue() >> 2, MVT::i32);
65 def IMM12bit : ImmLeaf <
67 [{return isUInt<12>(Imm);}]
70 class InstSI <dag outs, dag ins, string asm, list<dag> pattern> :
71 AMDGPUInst<outs, ins, asm, pattern> {
73 field bits<4> EncodingType = 0;
74 field bits<1> VM_CNT = 0;
75 field bits<1> EXP_CNT = 0;
76 field bits<1> LGKM_CNT = 0;
78 let TSFlags{3-0} = EncodingType;
79 let TSFlags{4} = VM_CNT;
80 let TSFlags{5} = EXP_CNT;
81 let TSFlags{6} = LGKM_CNT;
84 class Enc32 <dag outs, dag ins, string asm, list<dag> pattern> :
85 InstSI <outs, ins, asm, pattern> {
90 class Enc64 <dag outs, dag ins, string asm, list<dag> pattern> :
91 InstSI <outs, ins, asm, pattern> {
96 class SIOperand <ValueType vt, dag opInfo>: Operand <vt> {
97 let EncoderMethod = "encodeOperand";
98 let MIOperandInfo = opInfo;
101 class GPR4Align <RegisterClass rc> : Operand <vAny> {
102 let EncoderMethod = "GPR4AlignEncode";
103 let MIOperandInfo = (ops rc:$reg);
106 class GPR2Align <RegisterClass rc> : Operand <iPTR> {
107 let EncoderMethod = "GPR2AlignEncode";
108 let MIOperandInfo = (ops rc:$reg);
111 let Uses = [EXEC] in {
115 (ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
116 VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
117 "EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
132 let Inst{10} = COMPR;
135 let Inst{31-26} = 0x3e;
136 let Inst{39-32} = VSRC0;
137 let Inst{47-40} = VSRC1;
138 let Inst{55-48} = VSRC2;
139 let Inst{63-56} = VSRC3;
140 let EncodingType = 0; //SIInstrEncodingType::EXP
145 class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
146 Enc64 <outs, ins, asm, pattern> {
161 let Inst{11-8} = DMASK;
162 let Inst{12} = UNORM;
168 let Inst{24-18} = op;
170 let Inst{31-26} = 0x3c;
171 let Inst{39-32} = VADDR;
172 let Inst{47-40} = VDATA;
173 let Inst{52-48} = SRSRC;
174 let Inst{57-53} = SSAMP;
175 let EncodingType = 2; //SIInstrEncodingType::MIMG
181 class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
182 Enc64<outs, ins, asm, pattern> {
198 let Inst{11-0} = OFFSET;
199 let Inst{12} = OFFEN;
200 let Inst{13} = IDXEN;
202 let Inst{15} = ADDR64;
203 let Inst{18-16} = op;
204 let Inst{22-19} = DFMT;
205 let Inst{25-23} = NFMT;
206 let Inst{31-26} = 0x3a; //encoding
207 let Inst{39-32} = VADDR;
208 let Inst{47-40} = VDATA;
209 let Inst{52-48} = SRSRC;
212 let Inst{63-56} = SOFFSET;
213 let EncodingType = 3; //SIInstrEncodingType::MTBUF
218 let neverHasSideEffects = 1;
221 class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
222 Enc64<outs, ins, asm, pattern> {
237 let Inst{11-0} = OFFSET;
238 let Inst{12} = OFFEN;
239 let Inst{13} = IDXEN;
241 let Inst{15} = ADDR64;
243 let Inst{24-18} = op;
244 let Inst{31-26} = 0x38; //encoding
245 let Inst{39-32} = VADDR;
246 let Inst{47-40} = VDATA;
247 let Inst{52-48} = SRSRC;
250 let Inst{63-56} = SOFFSET;
251 let EncodingType = 4; //SIInstrEncodingType::MUBUF
256 let neverHasSideEffects = 1;
259 } // End Uses = [EXEC]
261 class SMRD <bits<5> op, bits<1> imm, dag outs, dag ins, string asm,
262 list<dag> pattern> : Enc32<outs, ins, asm, pattern> {
268 let Inst{7-0} = OFFSET;
270 let Inst{14-9} = SBASE;
271 let Inst{21-15} = SDST;
272 let Inst{26-22} = op;
273 let Inst{31-27} = 0x18; //encoding
274 let EncodingType = 5; //SIInstrEncodingType::SMRD
279 class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
280 Enc32<outs, ins, asm, pattern> {
285 let Inst{7-0} = SSRC0;
287 let Inst{22-16} = SDST;
288 let Inst{31-23} = 0x17d; //encoding;
289 let EncodingType = 6; //SIInstrEncodingType::SOP1
293 let hasSideEffects = 0;
296 class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
297 Enc32 <outs, ins, asm, pattern> {
303 let Inst{7-0} = SSRC0;
304 let Inst{15-8} = SSRC1;
305 let Inst{22-16} = SDST;
306 let Inst{29-23} = op;
307 let Inst{31-30} = 0x2; // encoding
308 let EncodingType = 7; // SIInstrEncodingType::SOP2
312 let hasSideEffects = 0;
315 class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
316 Enc32<outs, ins, asm, pattern> {
321 let Inst{7-0} = SSRC0;
322 let Inst{15-8} = SSRC1;
323 let Inst{22-16} = op;
324 let Inst{31-23} = 0x17e;
325 let EncodingType = 8; // SIInstrEncodingType::SOPC
327 let DisableEncoding = "$dst";
330 let hasSideEffects = 0;
333 class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
334 Enc32 <outs, ins , asm, pattern> {
339 let Inst{15-0} = SIMM16;
340 let Inst{22-16} = SDST;
341 let Inst{27-23} = op;
342 let Inst{31-28} = 0xb; //encoding
343 let EncodingType = 9; // SIInstrEncodingType::SOPK
347 let hasSideEffects = 0;
350 class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> : Enc32 <
358 let Inst{15-0} = SIMM16;
359 let Inst{22-16} = op;
360 let Inst{31-23} = 0x17f; // encoding
361 let EncodingType = 10; // SIInstrEncodingType::SOPP
365 let hasSideEffects = 0;
368 let Uses = [EXEC] in {
370 class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
371 Enc32 <outs, ins, asm, pattern> {
378 let Inst{7-0} = VSRC;
379 let Inst{9-8} = ATTRCHAN;
380 let Inst{15-10} = ATTR;
381 let Inst{17-16} = op;
382 let Inst{25-18} = VDST;
383 let Inst{31-26} = 0x32; // encoding
384 let EncodingType = 11; // SIInstrEncodingType::VINTRP
386 let neverHasSideEffects = 1;
391 class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
392 Enc32 <outs, ins, asm, pattern> {
397 let Inst{8-0} = SRC0;
399 let Inst{24-17} = VDST;
400 let Inst{31-25} = 0x3f; //encoding
402 let EncodingType = 12; // SIInstrEncodingType::VOP1
403 let PostEncoderMethod = "VOPPostEncode";
407 let hasSideEffects = 0;
410 class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
411 Enc32 <outs, ins, asm, pattern> {
417 let Inst{8-0} = SRC0;
418 let Inst{16-9} = VSRC1;
419 let Inst{24-17} = VDST;
420 let Inst{30-25} = op;
421 let Inst{31} = 0x0; //encoding
423 let EncodingType = 13; // SIInstrEncodingType::VOP2
424 let PostEncoderMethod = "VOPPostEncode";
428 let hasSideEffects = 0;
431 class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
432 Enc64 <outs, ins, asm, pattern> {
443 let Inst{7-0} = VDST;
444 let Inst{10-8} = ABS;
445 let Inst{11} = CLAMP;
446 let Inst{25-17} = op;
447 let Inst{31-26} = 0x34; //encoding
448 let Inst{40-32} = SRC0;
449 let Inst{49-41} = SRC1;
450 let Inst{58-50} = SRC2;
451 let Inst{60-59} = OMOD;
452 let Inst{63-61} = NEG;
454 let EncodingType = 14; // SIInstrEncodingType::VOP3
455 let PostEncoderMethod = "VOPPostEncode";
459 let hasSideEffects = 0;
462 class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
463 Enc64 <outs, ins, asm, pattern> {
473 let Inst{7-0} = VDST;
474 let Inst{14-8} = SDST;
475 let Inst{25-17} = op;
476 let Inst{31-26} = 0x34; //encoding
477 let Inst{40-32} = SRC0;
478 let Inst{49-41} = SRC1;
479 let Inst{58-50} = SRC2;
480 let Inst{60-59} = OMOD;
481 let Inst{63-61} = NEG;
483 let EncodingType = 14; // SIInstrEncodingType::VOP3
484 let PostEncoderMethod = "VOPPostEncode";
488 let hasSideEffects = 0;
491 class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
492 Enc32 <(outs VCCReg:$dst), ins, asm, pattern> {
497 let Inst{8-0} = SRC0;
498 let Inst{16-9} = VSRC1;
499 let Inst{24-17} = op;
500 let Inst{31-25} = 0x3e;
502 let EncodingType = 15; //SIInstrEncodingType::VOPC
503 let PostEncoderMethod = "VOPPostEncode";
504 let DisableEncoding = "$dst";
507 let hasSideEffects = 0;
510 } // End Uses = [EXEC]
512 class MIMG_Load_Helper <bits<7> op, string asm> : MIMG <
514 (outs VReg_128:$vdata),
515 (ins i32imm:$dmask, i1imm:$unorm, i1imm:$glc, i1imm:$da, i1imm:$r128,
516 i1imm:$tfe, i1imm:$lwe, i1imm:$slc, VReg_32:$vaddr,
517 GPR4Align<SReg_256>:$srsrc, GPR4Align<SReg_128>:$ssamp),
524 class MUBUF_Load_Helper <bits<7> op, string asm, RegisterClass regClass> : MUBUF <
526 (outs regClass:$dst),
527 (ins i16imm:$offset, i1imm:$offen, i1imm:$idxen, i1imm:$glc, i1imm:$addr64,
528 i1imm:$lds, VReg_32:$vaddr, GPR4Align<SReg_128>:$srsrc, i1imm:$slc,
529 i1imm:$tfe, SReg_32:$soffset),
536 class MTBUF_Load_Helper <bits<3> op, string asm, RegisterClass regClass> : MTBUF <
538 (outs regClass:$dst),
539 (ins i16imm:$offset, i1imm:$offen, i1imm:$idxen, i1imm:$glc, i1imm:$addr64,
540 i8imm:$dfmt, i8imm:$nfmt, VReg_32:$vaddr, GPR4Align<SReg_128>:$srsrc,
541 i1imm:$slc, i1imm:$tfe, SReg_32:$soffset),
548 class MTBUF_Store_Helper <bits<3> op, string asm, RegisterClass regClass> : MTBUF <
551 (ins regClass:$vdata, i16imm:$offset, i1imm:$offen, i1imm:$idxen, i1imm:$glc,
552 i1imm:$addr64, i8imm:$dfmt, i8imm:$nfmt, VReg_32:$vaddr,
553 GPR4Align<SReg_128>:$srsrc, i1imm:$slc, i1imm:$tfe, SReg_32:$soffset),
560 multiclass SMRD_Helper <bits<5> op, string asm, RegisterClass dstClass> {
563 (outs dstClass:$dst),
564 (ins GPR2Align<SReg_64>:$sbase, i32imm:$offset),
571 (outs dstClass:$dst),
572 (ins GPR2Align<SReg_64>:$sbase, SReg_32:$soff),
578 include "SIInstrFormats.td"
579 include "SIInstructions.td"