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;
64 //===----------------------------------------------------------------------===//
66 //===----------------------------------------------------------------------===//
68 class SOP1e <bits<8> op> : Enc32 {
73 let Inst{7-0} = SSRC0;
75 let Inst{22-16} = SDST;
76 let Inst{31-23} = 0x17d; //encoding;
79 class SOP2e <bits<7> op> : Enc32 {
85 let Inst{7-0} = SSRC0;
86 let Inst{15-8} = SSRC1;
87 let Inst{22-16} = SDST;
89 let Inst{31-30} = 0x2; // encoding
92 class SOPCe <bits<7> op> : Enc32 {
97 let Inst{7-0} = SSRC0;
98 let Inst{15-8} = SSRC1;
100 let Inst{31-23} = 0x17e;
103 class SOPKe <bits<5> op> : Enc32 {
108 let Inst{15-0} = SIMM16;
109 let Inst{22-16} = SDST;
110 let Inst{27-23} = op;
111 let Inst{31-28} = 0xb; //encoding
114 class SOPPe <bits<7> op> : Enc32 {
118 let Inst{15-0} = simm16;
119 let Inst{22-16} = op;
120 let Inst{31-23} = 0x17f; // encoding
123 class SMRDe <bits<5> op, bits<1> imm> : Enc32 {
129 let Inst{7-0} = OFFSET;
131 let Inst{14-9} = SBASE{6-1};
132 let Inst{21-15} = SDST;
133 let Inst{26-22} = op;
134 let Inst{31-27} = 0x18; //encoding
137 class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
138 InstSI<outs, ins, asm, pattern>, SOP1e <op> {
142 let hasSideEffects = 0;
146 class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
147 InstSI <outs, ins, asm, pattern>, SOP2e<op> {
151 let hasSideEffects = 0;
155 class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
156 InstSI<outs, ins, asm, pattern>, SOPCe <op> {
158 let DisableEncoding = "$dst";
161 let hasSideEffects = 0;
165 class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
166 InstSI <outs, ins , asm, pattern>, SOPKe<op> {
170 let hasSideEffects = 0;
174 class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> :
175 InstSI <(outs), ins, asm, pattern >, SOPPe <op> {
179 let hasSideEffects = 0;
183 class SMRD <bits<5> op, bits<1> imm, dag outs, dag ins, string asm,
184 list<dag> pattern> : InstSI<outs, ins, asm, pattern>, SMRDe<op, imm> {
190 let UseNamedOperandTable = 1;
193 //===----------------------------------------------------------------------===//
194 // Vector ALU operations
195 //===----------------------------------------------------------------------===//
197 class VOP1e <bits<8> op> : Enc32 {
202 let Inst{8-0} = SRC0;
204 let Inst{24-17} = VDST;
205 let Inst{31-25} = 0x3f; //encoding
208 class VOP2e <bits<6> op> : Enc32 {
214 let Inst{8-0} = SRC0;
215 let Inst{16-9} = VSRC1;
216 let Inst{24-17} = VDST;
217 let Inst{30-25} = op;
218 let Inst{31} = 0x0; //encoding
221 class VOP3e <bits<9> op> : Enc64 {
224 bits<2> src0_modifiers;
226 bits<2> src1_modifiers;
228 bits<2> src2_modifiers;
234 let Inst{8} = src0_modifiers{1};
235 let Inst{9} = src1_modifiers{1};
236 let Inst{10} = src2_modifiers{1};
237 let Inst{11} = clamp;
238 let Inst{25-17} = op;
239 let Inst{31-26} = 0x34; //encoding
240 let Inst{40-32} = src0;
241 let Inst{49-41} = src1;
242 let Inst{58-50} = src2;
243 let Inst{60-59} = omod;
244 let Inst{61} = src0_modifiers{0};
245 let Inst{62} = src1_modifiers{0};
246 let Inst{63} = src2_modifiers{0};
249 class VOP3be <bits<9> op> : Enc64 {
252 bits<2> src0_modifiers;
254 bits<2> src1_modifiers;
256 bits<2> src2_modifiers;
262 let Inst{14-8} = sdst;
263 let Inst{25-17} = op;
264 let Inst{31-26} = 0x34; //encoding
265 let Inst{40-32} = src0;
266 let Inst{49-41} = src1;
267 let Inst{58-50} = src2;
268 let Inst{60-59} = omod;
269 let Inst{61} = src0_modifiers{0};
270 let Inst{62} = src1_modifiers{0};
271 let Inst{63} = src2_modifiers{0};
274 class VOPCe <bits<8> op> : Enc32 {
279 let Inst{8-0} = SRC0;
280 let Inst{16-9} = VSRC1;
281 let Inst{24-17} = op;
282 let Inst{31-25} = 0x3e;
285 class VINTRPe <bits<2> op> : Enc32 {
292 let Inst{7-0} = VSRC;
293 let Inst{9-8} = ATTRCHAN;
294 let Inst{15-10} = ATTR;
295 let Inst{17-16} = op;
296 let Inst{25-18} = VDST;
297 let Inst{31-26} = 0x32; // encoding
300 class DSe <bits<8> op> : Enc64 {
310 let Inst{7-0} = offset0;
311 let Inst{15-8} = offset1;
313 let Inst{25-18} = op;
314 let Inst{31-26} = 0x36; //encoding
315 let Inst{39-32} = addr;
316 let Inst{47-40} = data0;
317 let Inst{55-48} = data1;
318 let Inst{63-56} = vdst;
321 class MUBUFe <bits<7> op> : Enc64 {
336 let Inst{11-0} = offset;
337 let Inst{12} = offen;
338 let Inst{13} = idxen;
340 let Inst{15} = addr64;
342 let Inst{24-18} = op;
343 let Inst{31-26} = 0x38; //encoding
344 let Inst{39-32} = vaddr;
345 let Inst{47-40} = vdata;
346 let Inst{52-48} = srsrc{6-2};
349 let Inst{63-56} = soffset;
352 class MTBUFe <bits<3> op> : Enc64 {
368 let Inst{11-0} = OFFSET;
369 let Inst{12} = OFFEN;
370 let Inst{13} = IDXEN;
372 let Inst{15} = ADDR64;
373 let Inst{18-16} = op;
374 let Inst{22-19} = DFMT;
375 let Inst{25-23} = NFMT;
376 let Inst{31-26} = 0x3a; //encoding
377 let Inst{39-32} = VADDR;
378 let Inst{47-40} = VDATA;
379 let Inst{52-48} = SRSRC{6-2};
382 let Inst{63-56} = SOFFSET;
385 class MIMGe <bits<7> op> : Enc64 {
400 let Inst{11-8} = DMASK;
401 let Inst{12} = UNORM;
407 let Inst{24-18} = op;
409 let Inst{31-26} = 0x3c;
410 let Inst{39-32} = VADDR;
411 let Inst{47-40} = VDATA;
412 let Inst{52-48} = SRSRC{6-2};
413 let Inst{57-53} = SSAMP{6-2};
430 let Inst{10} = COMPR;
433 let Inst{31-26} = 0x3e;
434 let Inst{39-32} = VSRC0;
435 let Inst{47-40} = VSRC1;
436 let Inst{55-48} = VSRC2;
437 let Inst{63-56} = VSRC3;
440 let Uses = [EXEC] in {
442 class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
443 InstSI <outs, ins, asm, pattern>, VOP1e<op> {
447 let hasSideEffects = 0;
448 let UseNamedOperandTable = 1;
452 class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
453 InstSI <outs, ins, asm, pattern>, VOP2e<op> {
457 let hasSideEffects = 0;
458 let UseNamedOperandTable = 1;
462 class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
463 VOP3Common <outs, ins, asm, pattern>, VOP3e<op>;
465 class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
466 VOP3Common <outs, ins, asm, pattern>, VOP3be<op>;
468 class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
469 InstSI <(outs VCCReg:$dst), ins, asm, pattern>, VOPCe <op> {
471 let DisableEncoding = "$dst";
474 let hasSideEffects = 0;
475 let UseNamedOperandTable = 1;
479 class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
480 InstSI <outs, ins, asm, pattern>, VINTRPe<op> {
482 let neverHasSideEffects = 1;
487 } // End Uses = [EXEC]
489 //===----------------------------------------------------------------------===//
490 // Vector I/O operations
491 //===----------------------------------------------------------------------===//
493 let Uses = [EXEC] in {
495 class DS <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
496 InstSI <outs, ins, asm, pattern> , DSe<op> {
501 class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
502 InstSI<outs, ins, asm, pattern>, MUBUFe <op> {
507 let neverHasSideEffects = 1;
508 let UseNamedOperandTable = 1;
511 class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
512 InstSI<outs, ins, asm, pattern>, MTBUFe <op> {
517 let neverHasSideEffects = 1;
520 class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
521 InstSI <outs, ins, asm, pattern>, MIMGe <op> {
530 (ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
531 VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
532 "EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
538 } // End Uses = [EXEC]