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 //===----------------------------------------------------------------------===//
14 // SMRD takes a 64bit memory address and can only add an 32bit offset
15 def SIadd64bit32bit : SDNode<"ISD::ADD",
16 SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>, SDTCisVT<0, i64>, SDTCisVT<2, i32>]>
19 // Transformation function, extract the lower 32bit of a 64bit immediate
20 def LO32 : SDNodeXForm<imm, [{
21 return CurDAG->getTargetConstant(N->getZExtValue() & 0xffffffff, MVT::i32);
24 // Transformation function, extract the upper 32bit of a 64bit immediate
25 def HI32 : SDNodeXForm<imm, [{
26 return CurDAG->getTargetConstant(N->getZExtValue() >> 32, MVT::i32);
29 def IMM8bitDWORD : ImmLeaf <
31 return (Imm & ~0x3FC) == 0;
32 }], SDNodeXForm<imm, [{
33 return CurDAG->getTargetConstant(
34 N->getZExtValue() >> 2, MVT::i32);
38 def IMM12bit : ImmLeaf <
40 [{return isUInt<12>(Imm);}]
43 class InstSI <dag outs, dag ins, string asm, list<dag> pattern> :
44 AMDGPUInst<outs, ins, asm, pattern> {
46 field bits<1> VM_CNT = 0;
47 field bits<1> EXP_CNT = 0;
48 field bits<1> LGKM_CNT = 0;
50 let TSFlags{0} = VM_CNT;
51 let TSFlags{1} = EXP_CNT;
52 let TSFlags{2} = LGKM_CNT;
55 class Enc32 <dag outs, dag ins, string asm, list<dag> pattern> :
56 InstSI <outs, ins, asm, pattern> {
62 class Enc64 <dag outs, dag ins, string asm, list<dag> pattern> :
63 InstSI <outs, ins, asm, pattern> {
69 class SIOperand <ValueType vt, dag opInfo>: Operand <vt> {
70 let EncoderMethod = "encodeOperand";
71 let MIOperandInfo = opInfo;
74 class GPR4Align <RegisterClass rc> : Operand <vAny> {
75 let EncoderMethod = "GPR4AlignEncode";
76 let MIOperandInfo = (ops rc:$reg);
79 class GPR2Align <RegisterClass rc> : Operand <iPTR> {
80 let EncoderMethod = "GPR2AlignEncode";
81 let MIOperandInfo = (ops rc:$reg);
84 let Uses = [EXEC] in {
88 (ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
89 VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
90 "EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
105 let Inst{10} = COMPR;
108 let Inst{31-26} = 0x3e;
109 let Inst{39-32} = VSRC0;
110 let Inst{47-40} = VSRC1;
111 let Inst{55-48} = VSRC2;
112 let Inst{63-56} = VSRC3;
117 class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
118 Enc64 <outs, ins, asm, pattern> {
133 let Inst{11-8} = DMASK;
134 let Inst{12} = UNORM;
140 let Inst{24-18} = op;
142 let Inst{31-26} = 0x3c;
143 let Inst{39-32} = VADDR;
144 let Inst{47-40} = VDATA;
145 let Inst{52-48} = SRSRC;
146 let Inst{57-53} = SSAMP;
152 class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
153 Enc64<outs, ins, asm, pattern> {
169 let Inst{11-0} = OFFSET;
170 let Inst{12} = OFFEN;
171 let Inst{13} = IDXEN;
173 let Inst{15} = ADDR64;
174 let Inst{18-16} = op;
175 let Inst{22-19} = DFMT;
176 let Inst{25-23} = NFMT;
177 let Inst{31-26} = 0x3a; //encoding
178 let Inst{39-32} = VADDR;
179 let Inst{47-40} = VDATA;
180 let Inst{52-48} = SRSRC;
183 let Inst{63-56} = SOFFSET;
188 let neverHasSideEffects = 1;
191 class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
192 Enc64<outs, ins, asm, pattern> {
207 let Inst{11-0} = OFFSET;
208 let Inst{12} = OFFEN;
209 let Inst{13} = IDXEN;
211 let Inst{15} = ADDR64;
213 let Inst{24-18} = op;
214 let Inst{31-26} = 0x38; //encoding
215 let Inst{39-32} = VADDR;
216 let Inst{47-40} = VDATA;
217 let Inst{52-48} = SRSRC;
220 let Inst{63-56} = SOFFSET;
225 let neverHasSideEffects = 1;
228 } // End Uses = [EXEC]
230 class SMRD <bits<5> op, bits<1> imm, dag outs, dag ins, string asm,
231 list<dag> pattern> : Enc32<outs, ins, asm, pattern> {
237 let Inst{7-0} = OFFSET;
239 let Inst{14-9} = SBASE;
240 let Inst{21-15} = SDST;
241 let Inst{26-22} = op;
242 let Inst{31-27} = 0x18; //encoding
247 class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
248 Enc32<outs, ins, asm, pattern> {
253 let Inst{7-0} = SSRC0;
255 let Inst{22-16} = SDST;
256 let Inst{31-23} = 0x17d; //encoding;
260 let hasSideEffects = 0;
263 class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
264 Enc32 <outs, ins, asm, pattern> {
270 let Inst{7-0} = SSRC0;
271 let Inst{15-8} = SSRC1;
272 let Inst{22-16} = SDST;
273 let Inst{29-23} = op;
274 let Inst{31-30} = 0x2; // encoding
278 let hasSideEffects = 0;
281 class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
282 Enc32<outs, ins, asm, pattern> {
287 let Inst{7-0} = SSRC0;
288 let Inst{15-8} = SSRC1;
289 let Inst{22-16} = op;
290 let Inst{31-23} = 0x17e;
292 let DisableEncoding = "$dst";
295 let hasSideEffects = 0;
298 class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
299 Enc32 <outs, ins , asm, pattern> {
304 let Inst{15-0} = SIMM16;
305 let Inst{22-16} = SDST;
306 let Inst{27-23} = op;
307 let Inst{31-28} = 0xb; //encoding
311 let hasSideEffects = 0;
314 class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> : Enc32 <
322 let Inst{15-0} = SIMM16;
323 let Inst{22-16} = op;
324 let Inst{31-23} = 0x17f; // encoding
328 let hasSideEffects = 0;
331 let Uses = [EXEC] in {
333 class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
334 Enc32 <outs, ins, asm, pattern> {
341 let Inst{7-0} = VSRC;
342 let Inst{9-8} = ATTRCHAN;
343 let Inst{15-10} = ATTR;
344 let Inst{17-16} = op;
345 let Inst{25-18} = VDST;
346 let Inst{31-26} = 0x32; // encoding
348 let neverHasSideEffects = 1;
353 class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
354 Enc32 <outs, ins, asm, pattern> {
359 let Inst{8-0} = SRC0;
361 let Inst{24-17} = VDST;
362 let Inst{31-25} = 0x3f; //encoding
366 let hasSideEffects = 0;
369 class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
370 Enc32 <outs, ins, asm, pattern> {
376 let Inst{8-0} = SRC0;
377 let Inst{16-9} = VSRC1;
378 let Inst{24-17} = VDST;
379 let Inst{30-25} = op;
380 let Inst{31} = 0x0; //encoding
384 let hasSideEffects = 0;
387 class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
388 Enc64 <outs, ins, asm, pattern> {
399 let Inst{7-0} = VDST;
400 let Inst{10-8} = ABS;
401 let Inst{11} = CLAMP;
402 let Inst{25-17} = op;
403 let Inst{31-26} = 0x34; //encoding
404 let Inst{40-32} = SRC0;
405 let Inst{49-41} = SRC1;
406 let Inst{58-50} = SRC2;
407 let Inst{60-59} = OMOD;
408 let Inst{63-61} = NEG;
412 let hasSideEffects = 0;
415 class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
416 Enc64 <outs, ins, asm, pattern> {
426 let Inst{7-0} = VDST;
427 let Inst{14-8} = SDST;
428 let Inst{25-17} = op;
429 let Inst{31-26} = 0x34; //encoding
430 let Inst{40-32} = SRC0;
431 let Inst{49-41} = SRC1;
432 let Inst{58-50} = SRC2;
433 let Inst{60-59} = OMOD;
434 let Inst{63-61} = NEG;
438 let hasSideEffects = 0;
441 class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
442 Enc32 <(outs VCCReg:$dst), ins, asm, pattern> {
447 let Inst{8-0} = SRC0;
448 let Inst{16-9} = VSRC1;
449 let Inst{24-17} = op;
450 let Inst{31-25} = 0x3e;
452 let DisableEncoding = "$dst";
455 let hasSideEffects = 0;
458 } // End Uses = [EXEC]
460 include "SIInstrFormats.td"
461 include "SIInstructions.td"