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 // Transformation function, extract the lower 32bit of a 64bit immediate
42 def LO32 : SDNodeXForm<imm, [{
43 return CurDAG->getTargetConstant(N->getZExtValue() & 0xffffffff, MVT::i32);
46 // Transformation function, extract the upper 32bit of a 64bit immediate
47 def HI32 : SDNodeXForm<imm, [{
48 return CurDAG->getTargetConstant(N->getZExtValue() >> 32, MVT::i32);
51 class InstSI <dag outs, dag ins, string asm, list<dag> pattern> :
52 AMDGPUInst<outs, ins, asm, pattern> {
54 field bits<4> EncodingType = 0;
55 field bits<1> VM_CNT = 0;
56 field bits<1> EXP_CNT = 0;
57 field bits<1> LGKM_CNT = 0;
59 let TSFlags{3-0} = EncodingType;
60 let TSFlags{4} = VM_CNT;
61 let TSFlags{5} = EXP_CNT;
62 let TSFlags{6} = LGKM_CNT;
65 class Enc32 <dag outs, dag ins, string asm, list<dag> pattern> :
66 InstSI <outs, ins, asm, pattern> {
71 class Enc64 <dag outs, dag ins, string asm, list<dag> pattern> :
72 InstSI <outs, ins, asm, pattern> {
77 class SIOperand <ValueType vt, dag opInfo>: Operand <vt> {
78 let EncoderMethod = "encodeOperand";
79 let MIOperandInfo = opInfo;
82 def IMM16bit : ImmLeaf <
84 [{return isInt<16>(Imm);}]
87 def IMM8bit : ImmLeaf <
89 [{return (int32_t)Imm >= 0 && (int32_t)Imm <= 0xff;}]
92 def IMM12bit : ImmLeaf <
94 [{return (int16_t)Imm >= 0 && (int16_t)Imm <= 0xfff;}]
97 def IMM32bitIn64bit : ImmLeaf <
99 [{return isInt<32>(Imm);}]
102 class GPR4Align <RegisterClass rc> : Operand <vAny> {
103 let EncoderMethod = "GPR4AlignEncode";
104 let MIOperandInfo = (ops rc:$reg);
107 class GPR2Align <RegisterClass rc, ValueType vt> : Operand <vt> {
108 let EncoderMethod = "GPR2AlignEncode";
109 let MIOperandInfo = (ops rc:$reg);
112 def SMRDmemrr : Operand<iPTR> {
113 let MIOperandInfo = (ops SReg_64, SReg_32);
114 let EncoderMethod = "GPR2AlignEncode";
117 def SMRDmemri : Operand<iPTR> {
118 let MIOperandInfo = (ops SReg_64, i32imm);
119 let EncoderMethod = "SMRDmemriEncode";
122 def ADDR_Reg : ComplexPattern<i64, 2, "SelectADDRReg", [], []>;
123 def ADDR_Offset8 : ComplexPattern<i64, 2, "SelectADDR8BitOffset", [], []>;
125 let Uses = [EXEC] in {
129 (ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
130 VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
131 "EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
146 let Inst{10} = COMPR;
149 let Inst{31-26} = 0x3e;
150 let Inst{39-32} = VSRC0;
151 let Inst{47-40} = VSRC1;
152 let Inst{55-48} = VSRC2;
153 let Inst{63-56} = VSRC3;
154 let EncodingType = 0; //SIInstrEncodingType::EXP
159 class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
160 Enc64 <outs, ins, asm, pattern> {
175 let Inst{11-8} = DMASK;
176 let Inst{12} = UNORM;
182 let Inst{24-18} = op;
184 let Inst{31-26} = 0x3c;
185 let Inst{39-32} = VADDR;
186 let Inst{47-40} = VDATA;
187 let Inst{52-48} = SRSRC;
188 let Inst{57-53} = SSAMP;
189 let EncodingType = 2; //SIInstrEncodingType::MIMG
195 class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
196 Enc64<outs, ins, asm, pattern> {
212 let Inst{11-0} = OFFSET;
213 let Inst{12} = OFFEN;
214 let Inst{13} = IDXEN;
216 let Inst{15} = ADDR64;
217 let Inst{18-16} = op;
218 let Inst{22-19} = DFMT;
219 let Inst{25-23} = NFMT;
220 let Inst{31-26} = 0x3a; //encoding
221 let Inst{39-32} = VADDR;
222 let Inst{47-40} = VDATA;
223 let Inst{52-48} = SRSRC;
226 let Inst{63-56} = SOFFSET;
227 let EncodingType = 3; //SIInstrEncodingType::MTBUF
232 let neverHasSideEffects = 1;
235 class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
236 Enc64<outs, ins, asm, pattern> {
251 let Inst{11-0} = OFFSET;
252 let Inst{12} = OFFEN;
253 let Inst{13} = IDXEN;
255 let Inst{15} = ADDR64;
257 let Inst{24-18} = op;
258 let Inst{31-26} = 0x38; //encoding
259 let Inst{39-32} = VADDR;
260 let Inst{47-40} = VDATA;
261 let Inst{52-48} = SRSRC;
264 let Inst{63-56} = SOFFSET;
265 let EncodingType = 4; //SIInstrEncodingType::MUBUF
270 let neverHasSideEffects = 1;
273 } // End Uses = [EXEC]
275 class SMRD <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
276 Enc32<outs, ins, asm, pattern> {
280 bits<8> OFFSET = PTR{7-0};
281 bits<1> IMM = PTR{8};
282 bits<6> SBASE = PTR{14-9};
284 let Inst{7-0} = OFFSET;
286 let Inst{14-9} = SBASE;
287 let Inst{21-15} = SDST;
288 let Inst{26-22} = op;
289 let Inst{31-27} = 0x18; //encoding
290 let EncodingType = 5; //SIInstrEncodingType::SMRD
295 class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
296 Enc32<outs, ins, asm, pattern> {
301 let Inst{7-0} = SSRC0;
303 let Inst{22-16} = SDST;
304 let Inst{31-23} = 0x17d; //encoding;
305 let EncodingType = 6; //SIInstrEncodingType::SOP1
309 let hasSideEffects = 0;
312 class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
313 Enc32 <outs, ins, asm, pattern> {
319 let Inst{7-0} = SSRC0;
320 let Inst{15-8} = SSRC1;
321 let Inst{22-16} = SDST;
322 let Inst{29-23} = op;
323 let Inst{31-30} = 0x2; // encoding
324 let EncodingType = 7; // SIInstrEncodingType::SOP2
328 let hasSideEffects = 0;
331 class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
332 Enc32<outs, ins, asm, pattern> {
337 let Inst{7-0} = SSRC0;
338 let Inst{15-8} = SSRC1;
339 let Inst{22-16} = op;
340 let Inst{31-23} = 0x17e;
341 let EncodingType = 8; // SIInstrEncodingType::SOPC
343 let DisableEncoding = "$dst";
346 let hasSideEffects = 0;
349 class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
350 Enc32 <outs, ins , asm, pattern> {
355 let Inst{15-0} = SIMM16;
356 let Inst{22-16} = SDST;
357 let Inst{27-23} = op;
358 let Inst{31-28} = 0xb; //encoding
359 let EncodingType = 9; // SIInstrEncodingType::SOPK
363 let hasSideEffects = 0;
366 class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> : Enc32 <
374 let Inst{15-0} = SIMM16;
375 let Inst{22-16} = op;
376 let Inst{31-23} = 0x17f; // encoding
377 let EncodingType = 10; // SIInstrEncodingType::SOPP
381 let hasSideEffects = 0;
384 let Uses = [EXEC] in {
386 class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
387 Enc32 <outs, ins, asm, pattern> {
394 let Inst{7-0} = VSRC;
395 let Inst{9-8} = ATTRCHAN;
396 let Inst{15-10} = ATTR;
397 let Inst{17-16} = op;
398 let Inst{25-18} = VDST;
399 let Inst{31-26} = 0x32; // encoding
400 let EncodingType = 11; // SIInstrEncodingType::VINTRP
402 let neverHasSideEffects = 1;
407 class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
408 Enc32 <outs, ins, asm, pattern> {
413 let Inst{8-0} = SRC0;
415 let Inst{24-17} = VDST;
416 let Inst{31-25} = 0x3f; //encoding
418 let EncodingType = 12; // SIInstrEncodingType::VOP1
419 let PostEncoderMethod = "VOPPostEncode";
423 let hasSideEffects = 0;
426 class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
427 Enc32 <outs, ins, asm, pattern> {
433 let Inst{8-0} = SRC0;
434 let Inst{16-9} = VSRC1;
435 let Inst{24-17} = VDST;
436 let Inst{30-25} = op;
437 let Inst{31} = 0x0; //encoding
439 let EncodingType = 13; // SIInstrEncodingType::VOP2
440 let PostEncoderMethod = "VOPPostEncode";
444 let hasSideEffects = 0;
447 class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
448 Enc64 <outs, ins, asm, pattern> {
459 let Inst{7-0} = VDST;
460 let Inst{10-8} = ABS;
461 let Inst{11} = CLAMP;
462 let Inst{25-17} = op;
463 let Inst{31-26} = 0x34; //encoding
464 let Inst{40-32} = SRC0;
465 let Inst{49-41} = SRC1;
466 let Inst{58-50} = SRC2;
467 let Inst{60-59} = OMOD;
468 let Inst{63-61} = NEG;
470 let EncodingType = 14; // SIInstrEncodingType::VOP3
471 let PostEncoderMethod = "VOPPostEncode";
475 let hasSideEffects = 0;
478 class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
479 Enc64 <outs, ins, asm, pattern> {
489 let Inst{7-0} = VDST;
490 let Inst{14-8} = SDST;
491 let Inst{25-17} = op;
492 let Inst{31-26} = 0x34; //encoding
493 let Inst{40-32} = SRC0;
494 let Inst{49-41} = SRC1;
495 let Inst{58-50} = SRC2;
496 let Inst{60-59} = OMOD;
497 let Inst{63-61} = NEG;
499 let EncodingType = 14; // SIInstrEncodingType::VOP3
500 let PostEncoderMethod = "VOPPostEncode";
504 let hasSideEffects = 0;
507 class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
508 Enc32 <(outs VCCReg:$dst), ins, asm, pattern> {
513 let Inst{8-0} = SRC0;
514 let Inst{16-9} = VSRC1;
515 let Inst{24-17} = op;
516 let Inst{31-25} = 0x3e;
518 let EncodingType = 15; //SIInstrEncodingType::VOPC
519 let PostEncoderMethod = "VOPPostEncode";
520 let DisableEncoding = "$dst";
523 let hasSideEffects = 0;
526 } // End Uses = [EXEC]
528 class MIMG_Load_Helper <bits<7> op, string asm> : MIMG <
530 (outs VReg_128:$vdata),
531 (ins i32imm:$dmask, i1imm:$unorm, i1imm:$glc, i1imm:$da, i1imm:$r128,
532 i1imm:$tfe, i1imm:$lwe, i1imm:$slc, VReg_32:$vaddr,
533 GPR4Align<SReg_256>:$srsrc, GPR4Align<SReg_128>:$ssamp),
540 class MUBUF_Load_Helper <bits<7> op, string asm, RegisterClass regClass> : MUBUF <
542 (outs regClass:$dst),
543 (ins i16imm:$offset, i1imm:$offen, i1imm:$idxen, i1imm:$glc, i1imm:$addr64,
544 i1imm:$lds, VReg_32:$vaddr, GPR4Align<SReg_128>:$srsrc, i1imm:$slc,
545 i1imm:$tfe, SReg_32:$soffset),
552 class MTBUF_Load_Helper <bits<3> op, string asm, RegisterClass regClass> : MTBUF <
554 (outs regClass:$dst),
555 (ins i16imm:$offset, i1imm:$offen, i1imm:$idxen, i1imm:$glc, i1imm:$addr64,
556 i8imm:$dfmt, i8imm:$nfmt, VReg_32:$vaddr, GPR4Align<SReg_128>:$srsrc,
557 i1imm:$slc, i1imm:$tfe, SReg_32:$soffset),
564 class MTBUF_Store_Helper <bits<3> op, string asm, RegisterClass regClass> : MTBUF <
567 (ins regClass:$vdata, i16imm:$offset, i1imm:$offen, i1imm:$idxen, i1imm:$glc,
568 i1imm:$addr64, i8imm:$dfmt, i8imm:$nfmt, VReg_32:$vaddr,
569 GPR4Align<SReg_128>:$srsrc, i1imm:$slc, i1imm:$tfe, SReg_32:$soffset),
576 multiclass SMRD_Helper <bits<5> op, string asm, RegisterClass dstClass,
580 (outs dstClass:$dst),
581 (ins SMRDmemri:$src0),
583 [(set (vt dstClass:$dst), (constant_load ADDR_Offset8:$src0))]
588 (outs dstClass:$dst),
589 (ins SMRDmemrr:$src0),
591 [(set (vt dstClass:$dst), (constant_load ADDR_Reg:$src0))]
595 multiclass SMRD_32 <bits<5> op, string asm, RegisterClass dstClass> {
596 defm _F32 : SMRD_Helper <op, asm, dstClass, f32>;
597 defm _I32 : SMRD_Helper <op, asm, dstClass, i32>;
600 include "SIInstrFormats.td"
601 include "SIInstructions.td"