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> {
17 field bits<1> VM_CNT = 0;
18 field bits<1> EXP_CNT = 0;
19 field bits<1> LGKM_CNT = 0;
20 field bits<1> MIMG = 0;
21 field bits<1> SMRD = 0;
23 let TSFlags{0} = VM_CNT;
24 let TSFlags{1} = EXP_CNT;
25 let TSFlags{2} = LGKM_CNT;
26 let TSFlags{3} = MIMG;
27 let TSFlags{4} = SMRD;
30 class Enc32 <dag outs, dag ins, string asm, list<dag> pattern> :
31 InstSI <outs, ins, asm, pattern> {
37 class Enc64 <dag outs, dag ins, string asm, list<dag> pattern> :
38 InstSI <outs, ins, asm, pattern> {
44 //===----------------------------------------------------------------------===//
46 //===----------------------------------------------------------------------===//
48 class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
49 Enc32<outs, ins, asm, pattern> {
54 let Inst{7-0} = SSRC0;
56 let Inst{22-16} = SDST;
57 let Inst{31-23} = 0x17d; //encoding;
61 let hasSideEffects = 0;
64 class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
65 Enc32 <outs, ins, asm, pattern> {
71 let Inst{7-0} = SSRC0;
72 let Inst{15-8} = SSRC1;
73 let Inst{22-16} = SDST;
75 let Inst{31-30} = 0x2; // encoding
79 let hasSideEffects = 0;
82 class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
83 Enc32<outs, ins, asm, pattern> {
88 let Inst{7-0} = SSRC0;
89 let Inst{15-8} = SSRC1;
91 let Inst{31-23} = 0x17e;
93 let DisableEncoding = "$dst";
96 let hasSideEffects = 0;
99 class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
100 Enc32 <outs, ins , asm, pattern> {
105 let Inst{15-0} = SIMM16;
106 let Inst{22-16} = SDST;
107 let Inst{27-23} = op;
108 let Inst{31-28} = 0xb; //encoding
112 let hasSideEffects = 0;
115 class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> : Enc32 <
123 let Inst{15-0} = SIMM16;
124 let Inst{22-16} = op;
125 let Inst{31-23} = 0x17f; // encoding
129 let hasSideEffects = 0;
132 class SMRD <bits<5> op, bits<1> imm, dag outs, dag ins, string asm,
133 list<dag> pattern> : Enc32<outs, ins, asm, pattern> {
139 let Inst{7-0} = OFFSET;
141 let Inst{14-9} = SBASE{6-1};
142 let Inst{21-15} = SDST;
143 let Inst{26-22} = op;
144 let Inst{31-27} = 0x18; //encoding
150 //===----------------------------------------------------------------------===//
151 // Vector ALU operations
152 //===----------------------------------------------------------------------===//
154 let Uses = [EXEC] in {
156 class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
157 Enc32 <outs, ins, asm, pattern> {
162 let Inst{8-0} = SRC0;
164 let Inst{24-17} = VDST;
165 let Inst{31-25} = 0x3f; //encoding
169 let hasSideEffects = 0;
172 class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
173 Enc32 <outs, ins, asm, pattern> {
179 let Inst{8-0} = SRC0;
180 let Inst{16-9} = VSRC1;
181 let Inst{24-17} = VDST;
182 let Inst{30-25} = op;
183 let Inst{31} = 0x0; //encoding
187 let hasSideEffects = 0;
190 class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
191 Enc64 <outs, ins, asm, pattern> {
203 let Inst{10-8} = abs;
204 let Inst{11} = clamp;
205 let Inst{25-17} = op;
206 let Inst{31-26} = 0x34; //encoding
207 let Inst{40-32} = src0;
208 let Inst{49-41} = src1;
209 let Inst{58-50} = src2;
210 let Inst{60-59} = omod;
211 let Inst{63-61} = neg;
215 let hasSideEffects = 0;
218 class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
219 Enc64 <outs, ins, asm, pattern> {
230 let Inst{14-8} = sdst;
231 let Inst{25-17} = op;
232 let Inst{31-26} = 0x34; //encoding
233 let Inst{40-32} = src0;
234 let Inst{49-41} = src1;
235 let Inst{58-50} = src2;
236 let Inst{60-59} = omod;
237 let Inst{63-61} = neg;
241 let hasSideEffects = 0;
244 class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
245 Enc32 <(outs VCCReg:$dst), ins, asm, pattern> {
250 let Inst{8-0} = SRC0;
251 let Inst{16-9} = VSRC1;
252 let Inst{24-17} = op;
253 let Inst{31-25} = 0x3e;
255 let DisableEncoding = "$dst";
258 let hasSideEffects = 0;
261 class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
262 Enc32 <outs, ins, asm, pattern> {
269 let Inst{7-0} = VSRC;
270 let Inst{9-8} = ATTRCHAN;
271 let Inst{15-10} = ATTR;
272 let Inst{17-16} = op;
273 let Inst{25-18} = VDST;
274 let Inst{31-26} = 0x32; // encoding
276 let neverHasSideEffects = 1;
281 } // End Uses = [EXEC]
283 //===----------------------------------------------------------------------===//
284 // Vector I/O operations
285 //===----------------------------------------------------------------------===//
287 let Uses = [EXEC] in {
289 class DS <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
290 Enc64 <outs, ins, asm, pattern> {
300 let Inst{7-0} = offset0;
301 let Inst{15-8} = offset1;
303 let Inst{25-18} = op;
304 let Inst{31-26} = 0x36; //encoding
305 let Inst{39-32} = addr;
306 let Inst{47-40} = data0;
307 let Inst{55-48} = data1;
308 let Inst{63-56} = vdst;
313 class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
314 Enc64<outs, ins, asm, pattern> {
329 let Inst{11-0} = offset;
330 let Inst{12} = offen;
331 let Inst{13} = idxen;
333 let Inst{15} = addr64;
335 let Inst{24-18} = op;
336 let Inst{31-26} = 0x38; //encoding
337 let Inst{39-32} = vaddr;
338 let Inst{47-40} = vdata;
339 let Inst{52-48} = srsrc{6-2};
342 let Inst{63-56} = soffset;
347 let neverHasSideEffects = 1;
350 class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
351 Enc64<outs, ins, asm, pattern> {
367 let Inst{11-0} = OFFSET;
368 let Inst{12} = OFFEN;
369 let Inst{13} = IDXEN;
371 let Inst{15} = ADDR64;
372 let Inst{18-16} = op;
373 let Inst{22-19} = DFMT;
374 let Inst{25-23} = NFMT;
375 let Inst{31-26} = 0x3a; //encoding
376 let Inst{39-32} = VADDR;
377 let Inst{47-40} = VDATA;
378 let Inst{52-48} = SRSRC{6-2};
381 let Inst{63-56} = SOFFSET;
386 let neverHasSideEffects = 1;
389 class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
390 Enc64 <outs, ins, asm, pattern> {
405 let Inst{11-8} = DMASK;
406 let Inst{12} = UNORM;
412 let Inst{24-18} = op;
414 let Inst{31-26} = 0x3c;
415 let Inst{39-32} = VADDR;
416 let Inst{47-40} = VDATA;
417 let Inst{52-48} = SRSRC{6-2};
418 let Inst{57-53} = SSAMP{6-2};
427 (ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
428 VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
429 "EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
444 let Inst{10} = COMPR;
447 let Inst{31-26} = 0x3e;
448 let Inst{39-32} = VSRC0;
449 let Inst{47-40} = VSRC1;
450 let Inst{55-48} = VSRC2;
451 let Inst{63-56} = VSRC3;
456 } // End Uses = [EXEC]