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;
20 field bits<1> MIMG = 0;
21 field bits<1> SMRD = 0;
22 field bits<1> VOP1 = 0;
23 field bits<1> VOP2 = 0;
24 field bits<1> VOP3 = 0;
25 field bits<1> VOPC = 0;
26 field bits<1> SALU = 0;
28 let TSFlags{0} = VM_CNT;
29 let TSFlags{1} = EXP_CNT;
30 let TSFlags{2} = LGKM_CNT;
31 let TSFlags{3} = MIMG;
32 let TSFlags{4} = SMRD;
33 let TSFlags{5} = VOP1;
34 let TSFlags{6} = VOP2;
35 let TSFlags{7} = VOP3;
36 let TSFlags{8} = VOPC;
37 let TSFlags{9} = SALU;
52 class VOP3Common <dag outs, dag ins, string asm, list<dag> pattern> :
53 InstSI <outs, ins, asm, pattern> {
57 let hasSideEffects = 0;
58 let UseNamedOperandTable = 1;
62 //===----------------------------------------------------------------------===//
64 //===----------------------------------------------------------------------===//
66 class SOP1e <bits<8> op> : Enc32 {
71 let Inst{7-0} = SSRC0;
73 let Inst{22-16} = SDST;
74 let Inst{31-23} = 0x17d; //encoding;
77 class SOP2e <bits<7> op> : Enc32 {
83 let Inst{7-0} = SSRC0;
84 let Inst{15-8} = SSRC1;
85 let Inst{22-16} = SDST;
87 let Inst{31-30} = 0x2; // encoding
90 class SOPCe <bits<7> op> : Enc32 {
95 let Inst{7-0} = SSRC0;
96 let Inst{15-8} = SSRC1;
98 let Inst{31-23} = 0x17e;
101 class SOPKe <bits<5> op> : Enc32 {
106 let Inst{15-0} = SIMM16;
107 let Inst{22-16} = SDST;
108 let Inst{27-23} = op;
109 let Inst{31-28} = 0xb; //encoding
112 class SOPPe <bits<7> op> : Enc32 {
116 let Inst{15-0} = simm16;
117 let Inst{22-16} = op;
118 let Inst{31-23} = 0x17f; // encoding
121 class SMRDe <bits<5> op, bits<1> imm> : Enc32 {
127 let Inst{7-0} = OFFSET;
129 let Inst{14-9} = SBASE{6-1};
130 let Inst{21-15} = SDST;
131 let Inst{26-22} = op;
132 let Inst{31-27} = 0x18; //encoding
135 class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
136 InstSI<outs, ins, asm, pattern>, SOP1e <op> {
140 let hasSideEffects = 0;
144 class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
145 InstSI <outs, ins, asm, pattern>, SOP2e<op> {
149 let hasSideEffects = 0;
153 class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
154 InstSI<outs, ins, asm, pattern>, SOPCe <op> {
156 let DisableEncoding = "$dst";
159 let hasSideEffects = 0;
163 class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
164 InstSI <outs, ins , asm, pattern>, SOPKe<op> {
168 let hasSideEffects = 0;
172 class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> :
173 InstSI <(outs), ins, asm, pattern >, SOPPe <op> {
177 let hasSideEffects = 0;
181 class SMRD <bits<5> op, bits<1> imm, dag outs, dag ins, string asm,
182 list<dag> pattern> : InstSI<outs, ins, asm, pattern>, SMRDe<op, imm> {
188 //===----------------------------------------------------------------------===//
189 // Vector ALU operations
190 //===----------------------------------------------------------------------===//
192 class VOP1e <bits<8> op> : Enc32 {
197 let Inst{8-0} = SRC0;
199 let Inst{24-17} = VDST;
200 let Inst{31-25} = 0x3f; //encoding
203 class VOP2e <bits<6> op> : Enc32 {
209 let Inst{8-0} = SRC0;
210 let Inst{16-9} = VSRC1;
211 let Inst{24-17} = VDST;
212 let Inst{30-25} = op;
213 let Inst{31} = 0x0; //encoding
216 class VOP3e <bits<9> op> : Enc64 {
219 bits<2> src0_modifiers;
221 bits<2> src1_modifiers;
223 bits<2> src2_modifiers;
229 let Inst{8} = src0_modifiers{1};
230 let Inst{9} = src1_modifiers{1};
231 let Inst{10} = src2_modifiers{1};
232 let Inst{11} = clamp;
233 let Inst{25-17} = op;
234 let Inst{31-26} = 0x34; //encoding
235 let Inst{40-32} = src0;
236 let Inst{49-41} = src1;
237 let Inst{58-50} = src2;
238 let Inst{60-59} = omod;
239 let Inst{61} = src0_modifiers{0};
240 let Inst{62} = src1_modifiers{0};
241 let Inst{63} = src2_modifiers{0};
244 class VOP3be <bits<9> op> : Enc64 {
247 bits<2> src0_modifiers;
249 bits<2> src1_modifiers;
251 bits<2> src2_modifiers;
257 let Inst{14-8} = sdst;
258 let Inst{25-17} = op;
259 let Inst{31-26} = 0x34; //encoding
260 let Inst{40-32} = src0;
261 let Inst{49-41} = src1;
262 let Inst{58-50} = src2;
263 let Inst{60-59} = omod;
264 let Inst{61} = src0_modifiers{0};
265 let Inst{62} = src1_modifiers{0};
266 let Inst{63} = src2_modifiers{0};
269 class VOPCe <bits<8> op> : Enc32 {
274 let Inst{8-0} = SRC0;
275 let Inst{16-9} = VSRC1;
276 let Inst{24-17} = op;
277 let Inst{31-25} = 0x3e;
280 class VINTRPe <bits<2> op> : Enc32 {
287 let Inst{7-0} = VSRC;
288 let Inst{9-8} = ATTRCHAN;
289 let Inst{15-10} = ATTR;
290 let Inst{17-16} = op;
291 let Inst{25-18} = VDST;
292 let Inst{31-26} = 0x32; // encoding
295 class DSe <bits<8> op> : Enc64 {
305 let Inst{7-0} = offset0;
306 let Inst{15-8} = offset1;
308 let Inst{25-18} = op;
309 let Inst{31-26} = 0x36; //encoding
310 let Inst{39-32} = addr;
311 let Inst{47-40} = data0;
312 let Inst{55-48} = data1;
313 let Inst{63-56} = vdst;
316 class MUBUFe <bits<7> op> : Enc64 {
331 let Inst{11-0} = offset;
332 let Inst{12} = offen;
333 let Inst{13} = idxen;
335 let Inst{15} = addr64;
337 let Inst{24-18} = op;
338 let Inst{31-26} = 0x38; //encoding
339 let Inst{39-32} = vaddr;
340 let Inst{47-40} = vdata;
341 let Inst{52-48} = srsrc{6-2};
344 let Inst{63-56} = soffset;
347 class MTBUFe <bits<3> op> : Enc64 {
363 let Inst{11-0} = OFFSET;
364 let Inst{12} = OFFEN;
365 let Inst{13} = IDXEN;
367 let Inst{15} = ADDR64;
368 let Inst{18-16} = op;
369 let Inst{22-19} = DFMT;
370 let Inst{25-23} = NFMT;
371 let Inst{31-26} = 0x3a; //encoding
372 let Inst{39-32} = VADDR;
373 let Inst{47-40} = VDATA;
374 let Inst{52-48} = SRSRC{6-2};
377 let Inst{63-56} = SOFFSET;
380 class MIMGe <bits<7> op> : Enc64 {
395 let Inst{11-8} = DMASK;
396 let Inst{12} = UNORM;
402 let Inst{24-18} = op;
404 let Inst{31-26} = 0x3c;
405 let Inst{39-32} = VADDR;
406 let Inst{47-40} = VDATA;
407 let Inst{52-48} = SRSRC{6-2};
408 let Inst{57-53} = SSAMP{6-2};
425 let Inst{10} = COMPR;
428 let Inst{31-26} = 0x3e;
429 let Inst{39-32} = VSRC0;
430 let Inst{47-40} = VSRC1;
431 let Inst{55-48} = VSRC2;
432 let Inst{63-56} = VSRC3;
435 let Uses = [EXEC] in {
437 class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
438 InstSI <outs, ins, asm, pattern>, VOP1e<op> {
442 let hasSideEffects = 0;
443 let UseNamedOperandTable = 1;
447 class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
448 InstSI <outs, ins, asm, pattern>, VOP2e<op> {
452 let hasSideEffects = 0;
453 let UseNamedOperandTable = 1;
457 class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
458 VOP3Common <outs, ins, asm, pattern>, VOP3e<op>;
460 class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
461 VOP3Common <outs, ins, asm, pattern>, VOP3be<op>;
463 class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
464 InstSI <(outs VCCReg:$dst), ins, asm, pattern>, VOPCe <op> {
466 let DisableEncoding = "$dst";
469 let hasSideEffects = 0;
470 let UseNamedOperandTable = 1;
474 class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
475 InstSI <outs, ins, asm, pattern>, VINTRPe<op> {
477 let neverHasSideEffects = 1;
482 } // End Uses = [EXEC]
484 //===----------------------------------------------------------------------===//
485 // Vector I/O operations
486 //===----------------------------------------------------------------------===//
488 let Uses = [EXEC] in {
490 class DS <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
491 InstSI <outs, ins, asm, pattern> , DSe<op> {
496 class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
497 InstSI<outs, ins, asm, pattern>, MUBUFe <op> {
502 let neverHasSideEffects = 1;
503 let UseNamedOperandTable = 1;
506 class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
507 InstSI<outs, ins, asm, pattern>, MTBUFe <op> {
512 let neverHasSideEffects = 1;
515 class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
516 InstSI <outs, ins, asm, pattern>, MIMGe <op> {
525 (ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
526 VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
527 "EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
533 } // End Uses = [EXEC]