1 //===-- R600Instructions.td - R600 Instruction defs -------*- 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 // R600 Tablegen instruction definitions
12 //===----------------------------------------------------------------------===//
14 include "R600Intrinsics.td"
16 class InstR600 <bits<11> inst, dag outs, dag ins, string asm, list<dag> pattern,
18 : AMDGPUInst <outs, ins, asm, pattern> {
24 bits<2> FlagOperandIdx = 0;
27 bit HasNativeOperands = 0;
29 bits<11> op_code = inst;
31 let Namespace = "AMDGPU";
32 let OutOperandList = outs;
33 let InOperandList = ins;
35 let Pattern = pattern;
38 let TSFlags{4} = Trig;
41 // Vector instructions are instructions that must fill all slots in an
43 let TSFlags{6} = isVector;
44 let TSFlags{8-7} = FlagOperandIdx;
45 let TSFlags{9} = HasNativeOperands;
46 let TSFlags{10} = Op1;
47 let TSFlags{11} = Op2;
50 class InstR600ISA <dag outs, dag ins, string asm, list<dag> pattern> :
51 AMDGPUInst <outs, ins, asm, pattern> {
54 let Namespace = "AMDGPU";
57 def MEMxi : Operand<iPTR> {
58 let MIOperandInfo = (ops R600_TReg32_X:$ptr, i32imm:$index);
59 let PrintMethod = "printMemOperand";
62 def MEMrr : Operand<iPTR> {
63 let MIOperandInfo = (ops R600_Reg32:$ptr, R600_Reg32:$index);
66 // Operands for non-registers
68 class InstFlag<string PM = "printOperand", int Default = 0>
69 : OperandWithDefaultOps <i32, (ops (i32 Default))> {
73 def LITERAL : InstFlag<"printLiteral">;
75 def WRITE : InstFlag <"printWrite", 1>;
76 def OMOD : InstFlag <"printOMOD">;
77 def REL : InstFlag <"printRel">;
78 def CLAMP : InstFlag <"printClamp">;
79 def NEG : InstFlag <"printNeg">;
80 def ABS : InstFlag <"printAbs">;
81 def UEM : InstFlag <"printUpdateExecMask">;
82 def UP : InstFlag <"printUpdatePred">;
84 // XXX: The r600g finalizer in Mesa expects last to be one in most cases.
85 // Once we start using the packetizer in this backend we should have this
87 def LAST : InstFlag<"printLast", 1>;
89 def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
90 def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
91 def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;
102 bits<3> index_mode = 0;
106 bits<9> src0_sel = src0{8-0};
107 bits<2> src0_chan = src0{10-9};
108 bits<9> src1_sel = src1{8-0};
109 bits<2> src1_chan = src1{10-9};
111 let Word0{8-0} = src0_sel;
112 let Word0{9} = src0_rel;
113 let Word0{11-10} = src0_chan;
114 let Word0{12} = src0_neg;
115 let Word0{21-13} = src1_sel;
116 let Word0{22} = src1_rel;
117 let Word0{24-23} = src1_chan;
118 let Word0{25} = src1_neg;
119 let Word0{28-26} = index_mode;
120 let Word0{30-29} = pred_sel;
121 let Word0{31} = last;
124 class R600ALU_Word1 {
125 field bits<32> Word1;
128 bits<3> bank_swizzle = 0;
132 bits<7> dst_sel = dst{6-0};
133 bits<2> dst_chan = dst{10-9};
135 let Word1{20-18} = bank_swizzle;
136 let Word1{27-21} = dst_sel;
137 let Word1{28} = dst_rel;
138 let Word1{30-29} = dst_chan;
139 let Word1{31} = clamp;
142 class R600ALU_Word1_OP2 <bits<11> alu_inst> : R600ALU_Word1{
146 bits<1> update_exec_mask;
151 let Word1{0} = src0_abs;
152 let Word1{1} = src1_abs;
153 let Word1{2} = update_exec_mask;
154 let Word1{3} = update_pred;
155 let Word1{4} = write;
156 let Word1{6-5} = omod;
157 let Word1{17-7} = alu_inst;
160 class R600ALU_Word1_OP3 <bits<5> alu_inst> : R600ALU_Word1{
166 bits<9> src2_sel = src2{8-0};
167 bits<2> src2_chan = src2{10-9};
169 let Word1{8-0} = src2_sel;
170 let Word1{9} = src2_rel;
171 let Word1{11-10} = src2_chan;
172 let Word1{12} = src2_neg;
173 let Word1{17-13} = alu_inst;
177 field bits<32> Word0;
181 bits<1> FETCH_WHOLE_QUAD;
185 bits<6> MEGA_FETCH_COUNT;
187 let Word0{4-0} = VC_INST;
188 let Word0{6-5} = FETCH_TYPE;
189 let Word0{7} = FETCH_WHOLE_QUAD;
190 let Word0{15-8} = BUFFER_ID;
191 let Word0{22-16} = SRC_GPR;
192 let Word0{23} = SRC_REL;
193 let Word0{25-24} = SRC_SEL_X;
194 let Word0{31-26} = MEGA_FETCH_COUNT;
197 class VTX_WORD1_GPR {
198 field bits<32> Word1;
205 bits<1> USE_CONST_FIELDS;
207 bits<2> NUM_FORMAT_ALL;
208 bits<1> FORMAT_COMP_ALL;
209 bits<1> SRF_MODE_ALL;
211 let Word1{6-0} = DST_GPR;
212 let Word1{7} = DST_REL;
213 let Word1{8} = 0; // Reserved
214 let Word1{11-9} = DST_SEL_X;
215 let Word1{14-12} = DST_SEL_Y;
216 let Word1{17-15} = DST_SEL_Z;
217 let Word1{20-18} = DST_SEL_W;
218 let Word1{21} = USE_CONST_FIELDS;
219 let Word1{27-22} = DATA_FORMAT;
220 let Word1{29-28} = NUM_FORMAT_ALL;
221 let Word1{30} = FORMAT_COMP_ALL;
222 let Word1{31} = SRF_MODE_ALL;
226 XXX: R600 subtarget uses a slightly different encoding than the other
227 subtargets. We currently handle this in R600MCCodeEmitter, but we may
228 want to use these instruction classes in the future.
230 class R600ALU_Word1_OP2_r600 : R600ALU_Word1_OP2 {
235 let Inst{37} = fog_merge;
236 let Inst{39-38} = omod;
237 let Inst{49-40} = alu_inst;
240 class R600ALU_Word1_OP2_r700 : R600ALU_Word1_OP2 {
244 let Inst{38-37} = omod;
245 let Inst{49-39} = alu_inst;
249 def R600_Pred : PredicateOperand<i32, (ops R600_Predicate),
253 let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
255 // Class for instructions with only one source register.
256 // If you add new ins to this instruction, make sure they are listed before
257 // $literal, because the backend currently assumes that the last operand is
258 // a literal. Also be sure to update the enum R600Op1OperandIndex::ROI in
259 // R600Defines.h, R600InstrInfo::buildDefaultInstruction(),
260 // and R600InstrInfo::getOperandIdx().
261 class R600_1OP <bits<11> inst, string opName, list<dag> pattern,
262 InstrItinClass itin = AnyALU> :
264 (outs R600_Reg32:$dst),
265 (ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
266 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs,
267 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
269 "$clamp $dst$write$dst_rel$omod, "
270 "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
271 "$literal $pred_sel$last"),
275 R600ALU_Word1_OP2 <inst> {
281 let update_exec_mask = 0;
283 let HasNativeOperands = 1;
285 let DisableEncoding = "$literal";
287 let Inst{31-0} = Word0;
288 let Inst{63-32} = Word1;
291 class R600_1OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
292 InstrItinClass itin = AnyALU> :
293 R600_1OP <inst, opName,
294 [(set R600_Reg32:$dst, (node R600_Reg32:$src0))]
297 // If you add our change the operands for R600_2OP instructions, you must
298 // also update the R600Op2OperandIndex::ROI enum in R600Defines.h,
299 // R600InstrInfo::buildDefaultInstruction(), and R600InstrInfo::getOperandIdx().
300 class R600_2OP <bits<11> inst, string opName, list<dag> pattern,
301 InstrItinClass itin = AnyALU> :
303 (outs R600_Reg32:$dst),
304 (ins UEM:$update_exec_mask, UP:$update_pred, WRITE:$write,
305 OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
306 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs,
307 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, ABS:$src1_abs,
308 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
310 "$clamp $update_exec_mask$update_pred$dst$write$dst_rel$omod, "
311 "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
312 "$src1_neg$src1_abs$src1$src1_abs$src1_rel, "
313 "$literal $pred_sel$last"),
317 R600ALU_Word1_OP2 <inst> {
319 let HasNativeOperands = 1;
321 let DisableEncoding = "$literal";
323 let Inst{31-0} = Word0;
324 let Inst{63-32} = Word1;
327 class R600_2OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
328 InstrItinClass itim = AnyALU> :
329 R600_2OP <inst, opName,
330 [(set R600_Reg32:$dst, (node R600_Reg32:$src0,
334 // If you add our change the operands for R600_3OP instructions, you must
335 // also update the R600Op3OperandIndex::ROI enum in R600Defines.h,
336 // R600InstrInfo::buildDefaultInstruction(), and
337 // R600InstrInfo::getOperandIdx().
338 class R600_3OP <bits<5> inst, string opName, list<dag> pattern,
339 InstrItinClass itin = AnyALU> :
341 (outs R600_Reg32:$dst),
342 (ins REL:$dst_rel, CLAMP:$clamp,
343 R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel,
344 R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel,
345 R600_Reg32:$src2, NEG:$src2_neg, REL:$src2_rel,
346 LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
347 !strconcat(opName, "$clamp $dst$dst_rel, "
348 "$src0_neg$src0$src0_rel, "
349 "$src1_neg$src1$src1_rel, "
350 "$src2_neg$src2$src2_rel, "
351 "$literal $pred_sel$last"),
355 R600ALU_Word1_OP3<inst>{
357 let HasNativeOperands = 1;
358 let DisableEncoding = "$literal";
361 let Inst{31-0} = Word0;
362 let Inst{63-32} = Word1;
365 class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
366 InstrItinClass itin = VecALU> :
368 (outs R600_Reg32:$dst),
374 class R600_TEX <bits<11> inst, string opName, list<dag> pattern,
375 InstrItinClass itin = AnyALU> :
377 (outs R600_Reg128:$dst),
378 (ins R600_Reg128:$src0, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
379 !strconcat(opName, "$dst, $src0, $resourceId, $samplerId, $textureTarget"),
382 let Inst {10-0} = inst;
385 } // End mayLoad = 1, mayStore = 0, hasSideEffects = 0
387 def TEX_SHADOW : PatLeaf<
389 [{uint32_t TType = (uint32_t)N->getZExtValue();
390 return (TType >= 6 && TType <= 8) || (TType >= 11 && TType <= 13);
394 def TEX_RECT : PatLeaf<
396 [{uint32_t TType = (uint32_t)N->getZExtValue();
401 class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
402 dag ins, string asm, list<dag> pattern> :
403 InstR600ISA <outs, ins, asm, pattern> {
420 // CF_ALLOC_EXPORT_WORD0_RAT
421 let Inst{3-0} = rat_id;
422 let Inst{9-4} = rat_inst;
423 let Inst{10} = 0; // Reserved
424 let Inst{12-11} = RIM;
425 let Inst{14-13} = TYPE;
426 let Inst{21-15} = RW_GPR;
427 let Inst{22} = RW_REL;
428 let Inst{29-23} = INDEX_GPR;
429 let Inst{31-30} = ELEM_SIZE;
431 // CF_ALLOC_EXPORT_WORD1_BUF
432 let Inst{43-32} = ARRAY_SIZE;
433 let Inst{47-44} = COMP_MASK;
434 let Inst{51-48} = BURST_COUNT;
437 let Inst{61-54} = cf_inst;
439 let Inst{63} = BARRIER;
442 class LoadParamFrag <PatFrag load_type> : PatFrag <
443 (ops node:$ptr), (load_type node:$ptr),
444 [{ return isParamLoad(dyn_cast<LoadSDNode>(N)); }]
447 def load_param : LoadParamFrag<load>;
448 def load_param_zexti8 : LoadParamFrag<zextloadi8>;
449 def load_param_zexti16 : LoadParamFrag<zextloadi16>;
451 def isR600 : Predicate<"Subtarget.device()"
452 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
453 def isR700 : Predicate<"Subtarget.device()"
454 "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
455 "Subtarget.device()->getDeviceFlag()"
456 ">= OCL_DEVICE_RV710">;
457 def isEG : Predicate<
458 "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
459 "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
460 "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;
462 def isCayman : Predicate<"Subtarget.device()"
463 "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
464 def isEGorCayman : Predicate<"Subtarget.device()"
465 "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
466 "|| Subtarget.device()->getGeneration() =="
467 "AMDGPUDeviceInfo::HD6XXX">;
469 def isR600toCayman : Predicate<
470 "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;
472 //===----------------------------------------------------------------------===//
473 // Interpolation Instructions
474 //===----------------------------------------------------------------------===//
476 def INTERP: SDNode<"AMDGPUISD::INTERP",
477 SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisInt<1>, SDTCisInt<2>]>
480 def INTERP_P0: SDNode<"AMDGPUISD::INTERP_P0",
481 SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisInt<1>]>
484 let usesCustomInserter = 1 in {
485 def input_perspective : AMDGPUShaderInst <
486 (outs R600_Reg128:$dst),
487 (ins i32imm:$src0, i32imm:$src1),
488 "input_perspective $src0 $src1 : dst",
489 [(set R600_Reg128:$dst, (INTERP (i32 imm:$src0), (i32 imm:$src1)))]>;
490 } // End usesCustomInserter = 1
492 def input_constant : AMDGPUShaderInst <
493 (outs R600_Reg128:$dst),
495 "input_perspective $src : dst",
496 [(set R600_Reg128:$dst, (INTERP_P0 (i32 imm:$src)))]>;
500 def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
501 let bank_swizzle = 5;
504 def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
505 let bank_swizzle = 5;
508 def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
510 //===----------------------------------------------------------------------===//
511 // Export Instructions
512 //===----------------------------------------------------------------------===//
514 def ExportType : SDTypeProfile<0, 5, [SDTCisFP<0>, SDTCisInt<1>]>;
516 def EXPORT: SDNode<"AMDGPUISD::EXPORT", ExportType,
517 [SDNPHasChain, SDNPSideEffect]>;
520 field bits<32> Word0;
527 let Word0{12-0} = arraybase;
528 let Word0{14-13} = type;
529 let Word0{21-15} = gpr;
530 let Word0{22} = 0; // RW_REL
531 let Word0{29-23} = 0; // INDEX_GPR
532 let Word0{31-30} = elem_size;
535 class ExportSwzWord1 {
536 field bits<32> Word1;
545 let Word1{2-0} = sw_x;
546 let Word1{5-3} = sw_y;
547 let Word1{8-6} = sw_z;
548 let Word1{11-9} = sw_w;
551 class ExportBufWord1 {
552 field bits<32> Word1;
559 let Word1{11-0} = arraySize;
560 let Word1{15-12} = compMask;
563 multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
564 def : Pat<(int_R600_store_pixel_depth R600_Reg32:$reg),
566 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
567 0, 61, 0, 7, 7, 7, cf_inst, 0)
570 def : Pat<(int_R600_store_pixel_stencil R600_Reg32:$reg),
572 (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), R600_Reg32:$reg, sel_x),
573 0, 61, 7, 0, 7, 7, cf_inst, 0)
576 def : Pat<(int_R600_store_pixel_dummy),
578 (v4f32 (IMPLICIT_DEF)), 0, 0, 7, 7, 7, 7, cf_inst, 0)
581 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 0),
582 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm)),
583 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
584 0, 1, 2, 3, cf_inst, 0)
588 multiclass SteamOutputExportPattern<Instruction ExportInst,
589 bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
591 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 1),
592 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
593 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
594 4095, imm:$mask, buf0inst, 0)>;
596 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 2),
597 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
598 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
599 4095, imm:$mask, buf1inst, 0)>;
601 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 3),
602 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
603 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
604 4095, imm:$mask, buf2inst, 0)>;
606 def : Pat<(EXPORT (v4f32 R600_Reg128:$src), (i32 4),
607 (i32 imm:$type), (i32 imm:$arraybase), (i32 imm:$mask)),
608 (ExportInst R600_Reg128:$src, imm:$type, imm:$arraybase,
609 4095, imm:$mask, buf3inst, 0)>;
612 let isTerminator = 1, usesCustomInserter = 1 in {
614 class ExportSwzInst : InstR600ISA<(
616 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
617 i32imm:$sw_x, i32imm:$sw_y, i32imm:$sw_z, i32imm:$sw_w, i32imm:$inst,
619 !strconcat("EXPORT", " $gpr"),
620 []>, ExportWord0, ExportSwzWord1 {
622 let Inst{31-0} = Word0;
623 let Inst{63-32} = Word1;
626 } // End isTerminator = 1, usesCustomInserter = 1
628 class ExportBufInst : InstR600ISA<(
630 (ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
631 i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
632 !strconcat("EXPORT", " $gpr"),
633 []>, ExportWord0, ExportBufWord1 {
635 let Inst{31-0} = Word0;
636 let Inst{63-32} = Word1;
639 let Predicates = [isR600toCayman] in {
641 //===----------------------------------------------------------------------===//
642 // Common Instructions R600, R700, Evergreen, Cayman
643 //===----------------------------------------------------------------------===//
645 def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
646 // Non-IEEE MUL: 0 * anything = 0
647 def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
648 def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
649 def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
650 def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;
652 // For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
653 // so some of the instruction names don't match the asm string.
654 // XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
655 def SETE : R600_2OP <
657 [(set R600_Reg32:$dst,
658 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
664 [(set R600_Reg32:$dst,
665 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
671 [(set R600_Reg32:$dst,
672 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
678 [(set R600_Reg32:$dst,
679 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
683 def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
684 def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
685 def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
686 def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
687 def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
689 def MOV : R600_1OP <0x19, "MOV", []>;
691 let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
693 class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
694 (outs R600_Reg32:$dst),
700 } // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
702 def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
705 (MOV_IMM_I32 imm:$val)
708 def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
711 (MOV_IMM_F32 fpimm:$val)
714 def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
715 def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
716 def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
717 def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
719 let hasSideEffects = 1 in {
721 def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
723 } // end hasSideEffects
725 def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
726 def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
727 def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
728 def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
729 def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
730 def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
731 def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
732 def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
733 def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUumax>;
734 def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;
736 def SETE_INT : R600_2OP <
738 [(set (i32 R600_Reg32:$dst),
739 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
742 def SETGT_INT : R600_2OP <
744 [(set (i32 R600_Reg32:$dst),
745 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
748 def SETGE_INT : R600_2OP <
750 [(set (i32 R600_Reg32:$dst),
751 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
754 def SETNE_INT : R600_2OP <
756 [(set (i32 R600_Reg32:$dst),
757 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
760 def SETGT_UINT : R600_2OP <
762 [(set (i32 R600_Reg32:$dst),
763 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
766 def SETGE_UINT : R600_2OP <
768 [(set (i32 R600_Reg32:$dst),
769 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
772 def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
773 def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
774 def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
775 def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
777 def CNDE_INT : R600_3OP <
779 [(set (i32 R600_Reg32:$dst),
780 (selectcc (i32 R600_Reg32:$src0), 0,
781 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
785 def CNDGE_INT : R600_3OP <
787 [(set (i32 R600_Reg32:$dst),
788 (selectcc (i32 R600_Reg32:$src0), 0,
789 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
793 def CNDGT_INT : R600_3OP <
795 [(set (i32 R600_Reg32:$dst),
796 (selectcc (i32 R600_Reg32:$src0), 0,
797 (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
801 //===----------------------------------------------------------------------===//
802 // Texture instructions
803 //===----------------------------------------------------------------------===//
805 def TEX_LD : R600_TEX <
807 [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
809 let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget";
810 let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget);
813 def TEX_GET_TEXTURE_RESINFO : R600_TEX <
814 0x04, "TEX_GET_TEXTURE_RESINFO",
815 [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
818 def TEX_GET_GRADIENTS_H : R600_TEX <
819 0x07, "TEX_GET_GRADIENTS_H",
820 [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
823 def TEX_GET_GRADIENTS_V : R600_TEX <
824 0x08, "TEX_GET_GRADIENTS_V",
825 [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
828 def TEX_SET_GRADIENTS_H : R600_TEX <
829 0x0B, "TEX_SET_GRADIENTS_H",
833 def TEX_SET_GRADIENTS_V : R600_TEX <
834 0x0C, "TEX_SET_GRADIENTS_V",
838 def TEX_SAMPLE : R600_TEX <
840 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
843 def TEX_SAMPLE_C : R600_TEX <
844 0x18, "TEX_SAMPLE_C",
845 [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
848 def TEX_SAMPLE_L : R600_TEX <
849 0x11, "TEX_SAMPLE_L",
850 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
853 def TEX_SAMPLE_C_L : R600_TEX <
854 0x19, "TEX_SAMPLE_C_L",
855 [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
858 def TEX_SAMPLE_LB : R600_TEX <
859 0x12, "TEX_SAMPLE_LB",
860 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
863 def TEX_SAMPLE_C_LB : R600_TEX <
864 0x1A, "TEX_SAMPLE_C_LB",
865 [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
868 def TEX_SAMPLE_G : R600_TEX <
869 0x14, "TEX_SAMPLE_G",
873 def TEX_SAMPLE_C_G : R600_TEX <
874 0x1C, "TEX_SAMPLE_C_G",
878 //===----------------------------------------------------------------------===//
879 // Helper classes for common instructions
880 //===----------------------------------------------------------------------===//
882 class MUL_LIT_Common <bits<5> inst> : R600_3OP <
887 class MULADD_Common <bits<5> inst> : R600_3OP <
889 [(set (f32 R600_Reg32:$dst),
890 (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
893 class CNDE_Common <bits<5> inst> : R600_3OP <
895 [(set R600_Reg32:$dst,
896 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
897 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
901 class CNDGT_Common <bits<5> inst> : R600_3OP <
903 [(set R600_Reg32:$dst,
904 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
905 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
909 class CNDGE_Common <bits<5> inst> : R600_3OP <
911 [(set R600_Reg32:$dst,
912 (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
913 (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
917 multiclass DOT4_Common <bits<11> inst> {
919 def _pseudo : R600_REDUCTION <inst,
920 (ins R600_Reg128:$src0, R600_Reg128:$src1),
921 "DOT4 $dst $src0, $src1",
922 [(set R600_Reg32:$dst, (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1))]
925 def _real : R600_2OP <inst, "DOT4", []>;
928 let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
929 multiclass CUBE_Common <bits<11> inst> {
931 def _pseudo : InstR600 <
933 (outs R600_Reg128:$dst),
934 (ins R600_Reg128:$src),
936 [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
942 def _real : R600_2OP <inst, "CUBE", []>;
944 } // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
946 class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
947 inst, "EXP_IEEE", fexp2
950 class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
951 inst, "FLT_TO_INT", fp_to_sint
954 class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
955 inst, "INT_TO_FLT", sint_to_fp
958 class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
959 inst, "FLT_TO_UINT", fp_to_uint
962 class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
963 inst, "UINT_TO_FLT", uint_to_fp
966 class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
967 inst, "LOG_CLAMPED", []
970 class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
971 inst, "LOG_IEEE", flog2
974 class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
975 class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
976 class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
977 class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
978 inst, "MULHI_INT", mulhs
980 class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
983 class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
984 inst, "MULLO_INT", mul
986 class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;
988 class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
989 inst, "RECIP_CLAMPED", []
992 class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
993 inst, "RECIP_IEEE", [(set R600_Reg32:$dst, (fdiv FP_ONE, R600_Reg32:$src0))]
996 class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
997 inst, "RECIP_UINT", AMDGPUurecip
1000 class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
1001 inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
1004 class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
1005 inst, "RECIPSQRT_IEEE", []
1008 class SIN_Common <bits<11> inst> : R600_1OP <
1013 class COS_Common <bits<11> inst> : R600_1OP <
1018 //===----------------------------------------------------------------------===//
1019 // Helper patterns for complex intrinsics
1020 //===----------------------------------------------------------------------===//
1022 multiclass DIV_Common <InstR600 recip_ieee> {
1024 (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
1025 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1029 (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
1030 (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
1034 class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
1035 (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
1036 (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
1039 //===----------------------------------------------------------------------===//
1040 // R600 / R700 Instructions
1041 //===----------------------------------------------------------------------===//
1043 let Predicates = [isR600] in {
1045 def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
1046 def MULADD_r600 : MULADD_Common<0x10>;
1047 def CNDE_r600 : CNDE_Common<0x18>;
1048 def CNDGT_r600 : CNDGT_Common<0x19>;
1049 def CNDGE_r600 : CNDGE_Common<0x1A>;
1050 defm DOT4_r600 : DOT4_Common<0x50>;
1051 defm CUBE_r600 : CUBE_Common<0x52>;
1052 def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
1053 def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
1054 def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
1055 def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
1056 def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
1057 def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
1058 def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
1059 def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
1060 def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
1061 def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
1062 def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
1063 def SIN_r600 : SIN_Common<0x6E>;
1064 def COS_r600 : COS_Common<0x6F>;
1065 def ASHR_r600 : ASHR_Common<0x70>;
1066 def LSHR_r600 : LSHR_Common<0x71>;
1067 def LSHL_r600 : LSHL_Common<0x72>;
1068 def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
1069 def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
1070 def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
1071 def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
1072 def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
1074 defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
1075 def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
1077 def : Pat<(fsqrt R600_Reg32:$src),
1078 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_r600 R600_Reg32:$src))>;
1080 def R600_ExportSwz : ExportSwzInst {
1081 let Word1{20-17} = 1; // BURST_COUNT
1082 let Word1{21} = eop;
1083 let Word1{22} = 1; // VALID_PIXEL_MODE
1084 let Word1{30-23} = inst;
1085 let Word1{31} = 1; // BARRIER
1087 defm : ExportPattern<R600_ExportSwz, 39>;
1089 def R600_ExportBuf : ExportBufInst {
1090 let Word1{20-17} = 1; // BURST_COUNT
1091 let Word1{21} = eop;
1092 let Word1{22} = 1; // VALID_PIXEL_MODE
1093 let Word1{30-23} = inst;
1094 let Word1{31} = 1; // BARRIER
1096 defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
1099 // Helper pattern for normalizing inputs to triginomic instructions for R700+
1101 class COS_PAT <InstR600 trig> : Pat<
1102 (fcos R600_Reg32:$src),
1103 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1106 class SIN_PAT <InstR600 trig> : Pat<
1107 (fsin R600_Reg32:$src),
1108 (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
1111 //===----------------------------------------------------------------------===//
1112 // R700 Only instructions
1113 //===----------------------------------------------------------------------===//
1115 let Predicates = [isR700] in {
1116 def SIN_r700 : SIN_Common<0x6E>;
1117 def COS_r700 : COS_Common<0x6F>;
1119 // R700 normalizes inputs to SIN/COS the same as EG
1120 def : SIN_PAT <SIN_r700>;
1121 def : COS_PAT <COS_r700>;
1124 //===----------------------------------------------------------------------===//
1125 // Evergreen Only instructions
1126 //===----------------------------------------------------------------------===//
1128 let Predicates = [isEG] in {
1130 def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
1131 defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
1133 def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
1134 def MULHI_INT_eg : MULHI_INT_Common<0x90>;
1135 def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
1136 def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
1137 def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
1138 def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
1139 def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
1140 def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
1141 def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
1142 def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
1143 def SIN_eg : SIN_Common<0x8D>;
1144 def COS_eg : COS_Common<0x8E>;
1146 def : SIN_PAT <SIN_eg>;
1147 def : COS_PAT <COS_eg>;
1148 def : Pat<(fsqrt R600_Reg32:$src),
1149 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
1150 } // End Predicates = [isEG]
1152 //===----------------------------------------------------------------------===//
1153 // Evergreen / Cayman Instructions
1154 //===----------------------------------------------------------------------===//
1156 let Predicates = [isEGorCayman] in {
1158 // BFE_UINT - bit_extract, an optimization for mask and shift
1163 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
1168 // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
1169 // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
1170 // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
1171 // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
1172 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
1173 [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
1175 R600_Reg32:$src2))],
1179 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
1180 [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
1181 R600_Reg32:$src2))],
1185 def MULADD_eg : MULADD_Common<0x14>;
1186 def ASHR_eg : ASHR_Common<0x15>;
1187 def LSHR_eg : LSHR_Common<0x16>;
1188 def LSHL_eg : LSHL_Common<0x17>;
1189 def CNDE_eg : CNDE_Common<0x19>;
1190 def CNDGT_eg : CNDGT_Common<0x1A>;
1191 def CNDGE_eg : CNDGE_Common<0x1B>;
1192 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
1193 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
1194 defm DOT4_eg : DOT4_Common<0xBE>;
1195 defm CUBE_eg : CUBE_Common<0xC0>;
1197 def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;
1199 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
1203 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
1205 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
1209 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
1211 // TRUNC is used for the FLT_TO_INT instructions to work around a
1212 // perceived problem where the rounding modes are applied differently
1213 // depending on the instruction and the slot they are in.
1215 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
1216 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
1218 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
1219 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
1220 // We should look into handling these cases separately.
1221 def : Pat<(fp_to_sint R600_Reg32:$src0),
1222 (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;
1224 def : Pat<(fp_to_uint R600_Reg32:$src0),
1225 (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;
1227 def EG_ExportSwz : ExportSwzInst {
1228 let Word1{19-16} = 1; // BURST_COUNT
1229 let Word1{20} = 1; // VALID_PIXEL_MODE
1230 let Word1{21} = eop;
1231 let Word1{29-22} = inst;
1232 let Word1{30} = 0; // MARK
1233 let Word1{31} = 1; // BARRIER
1235 defm : ExportPattern<EG_ExportSwz, 83>;
1237 def EG_ExportBuf : ExportBufInst {
1238 let Word1{19-16} = 1; // BURST_COUNT
1239 let Word1{20} = 1; // VALID_PIXEL_MODE
1240 let Word1{21} = eop;
1241 let Word1{29-22} = inst;
1242 let Word1{30} = 0; // MARK
1243 let Word1{31} = 1; // BARRIER
1245 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
1247 //===----------------------------------------------------------------------===//
1248 // Memory read/write instructions
1249 //===----------------------------------------------------------------------===//
1250 let usesCustomInserter = 1 in {
1252 class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name,
1254 : EG_CF_RAT <0x57, 0x2, 0, (outs), ins,
1255 !strconcat(name, " $rw_gpr, $index_gpr, $eop"), pattern> {
1257 // XXX: Have a separate instruction for non-indexed writes.
1263 let COMP_MASK = comp_mask;
1264 let BURST_COUNT = 0;
1270 } // End usesCustomInserter = 1
1273 def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
1274 (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1275 0x1, "RAT_WRITE_CACHELESS_32_eg",
1276 [(global_store (i32 R600_TReg32_X:$rw_gpr), R600_TReg32_X:$index_gpr)]
1280 def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
1281 (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
1282 0xf, "RAT_WRITE_CACHELESS_128",
1283 [(global_store (v4i32 R600_Reg128:$rw_gpr), R600_TReg32_X:$index_gpr)]
1286 class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
1287 : InstR600ISA <outs, (ins MEMxi:$ptr), name#" $dst, $ptr", pattern>,
1288 VTX_WORD1_GPR, VTX_WORD0 {
1293 let FETCH_WHOLE_QUAD = 0;
1294 let BUFFER_ID = buffer_id;
1296 // XXX: We can infer this field based on the SRC_GPR. This would allow us
1297 // to store vertex addresses in any channel, not just X.
1300 // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
1301 // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
1302 // however, based on my testing if USE_CONST_FIELDS is set, then all
1303 // these fields need to be set to 0.
1304 let USE_CONST_FIELDS = 0;
1305 let NUM_FORMAT_ALL = 1;
1306 let FORMAT_COMP_ALL = 0;
1307 let SRF_MODE_ALL = 0;
1309 let Inst{31-0} = Word0;
1310 let Inst{63-32} = Word1;
1311 // LLVM can only encode 64-bit instructions, so these fields are manually
1312 // encoded in R600CodeEmitter
1315 // bits<2> ENDIAN_SWAP = 0;
1316 // bits<1> CONST_BUF_NO_STRIDE = 0;
1317 // bits<1> MEGA_FETCH = 0;
1318 // bits<1> ALT_CONST = 0;
1319 // bits<2> BUFFER_INDEX_MODE = 0;
1323 // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
1324 // is done in R600CodeEmitter
1326 // Inst{79-64} = OFFSET;
1327 // Inst{81-80} = ENDIAN_SWAP;
1328 // Inst{82} = CONST_BUF_NO_STRIDE;
1329 // Inst{83} = MEGA_FETCH;
1330 // Inst{84} = ALT_CONST;
1331 // Inst{86-85} = BUFFER_INDEX_MODE;
1332 // Inst{95-86} = 0; Reserved
1334 // VTX_WORD3 (Padding)
1336 // Inst{127-96} = 0;
1339 class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
1340 : VTX_READ_eg <"VTX_READ_8", buffer_id, (outs R600_TReg32_X:$dst),
1343 let MEGA_FETCH_COUNT = 1;
1345 let DST_SEL_Y = 7; // Masked
1346 let DST_SEL_Z = 7; // Masked
1347 let DST_SEL_W = 7; // Masked
1348 let DATA_FORMAT = 1; // FMT_8
1351 class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
1352 : VTX_READ_eg <"VTX_READ_16", buffer_id, (outs R600_TReg32_X:$dst),
1354 let MEGA_FETCH_COUNT = 2;
1356 let DST_SEL_Y = 7; // Masked
1357 let DST_SEL_Z = 7; // Masked
1358 let DST_SEL_W = 7; // Masked
1359 let DATA_FORMAT = 5; // FMT_16
1363 class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
1364 : VTX_READ_eg <"VTX_READ_32", buffer_id, (outs R600_TReg32_X:$dst),
1367 let MEGA_FETCH_COUNT = 4;
1369 let DST_SEL_Y = 7; // Masked
1370 let DST_SEL_Z = 7; // Masked
1371 let DST_SEL_W = 7; // Masked
1372 let DATA_FORMAT = 0xD; // COLOR_32
1374 // This is not really necessary, but there were some GPU hangs that appeared
1375 // to be caused by ALU instructions in the next instruction group that wrote
1376 // to the $ptr registers of the VTX_READ.
1378 // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
1379 // %T2_X<def> = MOV %ZERO
1380 //Adding this constraint prevents this from happening.
1381 let Constraints = "$ptr.ptr = $dst";
1384 class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
1385 : VTX_READ_eg <"VTX_READ_128", buffer_id, (outs R600_Reg128:$dst),
1388 let MEGA_FETCH_COUNT = 16;
1393 let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
1395 // XXX: Need to force VTX_READ_128 instructions to write to the same register
1396 // that holds its buffer address to avoid potential hangs. We can't use
1397 // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
1398 // registers are different sizes.
1401 //===----------------------------------------------------------------------===//
1402 // VTX Read from parameter memory space
1403 //===----------------------------------------------------------------------===//
1405 def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <0,
1406 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti8 ADDRVTX_READ:$ptr))]
1409 def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <0,
1410 [(set (i32 R600_TReg32_X:$dst), (load_param_zexti16 ADDRVTX_READ:$ptr))]
1413 def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <0,
1414 [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
1417 //===----------------------------------------------------------------------===//
1418 // VTX Read from global memory space
1419 //===----------------------------------------------------------------------===//
1422 def VTX_READ_GLOBAL_8_eg : VTX_READ_8_eg <1,
1423 [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
1427 def VTX_READ_GLOBAL_32_eg : VTX_READ_32_eg <1,
1428 [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
1432 def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
1433 [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
1436 //===----------------------------------------------------------------------===//
1438 // XXX: We are currently storing all constants in the global address space.
1439 //===----------------------------------------------------------------------===//
1441 def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
1442 [(set (i32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
1447 let Predicates = [isCayman] in {
1449 let isVector = 1 in {
1451 def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;
1453 def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
1454 def MULHI_INT_cm : MULHI_INT_Common<0x90>;
1455 def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
1456 def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
1457 def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
1458 def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
1459 def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
1460 def RECIP_CLAMPED_cm : RECIP_CLAMPED_Common<0x84>;
1461 def RECIPSQRT_IEEE_cm : RECIPSQRT_IEEE_Common<0x89>;
1462 def SIN_cm : SIN_Common<0x8D>;
1463 def COS_cm : COS_Common<0x8E>;
1464 } // End isVector = 1
1466 def : SIN_PAT <SIN_cm>;
1467 def : COS_PAT <COS_cm>;
1469 defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;
1471 // RECIP_UINT emulation for Cayman
1473 (AMDGPUurecip R600_Reg32:$src0),
1474 (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
1475 (MOV_IMM_I32 0x4f800000)))
1479 def : Pat<(fsqrt R600_Reg32:$src),
1480 (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_cm R600_Reg32:$src))>;
1484 //===----------------------------------------------------------------------===//
1485 // Branch Instructions
1486 //===----------------------------------------------------------------------===//
1489 def IF_PREDICATE_SET : ILFormat<(outs), (ins GPRI32:$src),
1490 "IF_PREDICATE_SET $src", []>;
1492 def PREDICATED_BREAK : ILFormat<(outs), (ins GPRI32:$src),
1493 "PREDICATED_BREAK $src", []>;
1495 //===----------------------------------------------------------------------===//
1496 // Pseudo instructions
1497 //===----------------------------------------------------------------------===//
1499 let isPseudo = 1 in {
1501 def PRED_X : InstR600 <
1502 0, (outs R600_Predicate_Bit:$dst),
1503 (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
1505 let FlagOperandIdx = 3;
1508 let isTerminator = 1, isBranch = 1, isBarrier = 1 in {
1510 def JUMP : InstR600 <0x10,
1512 (ins brtarget:$target, R600_Pred:$p),
1513 "JUMP $target ($p)",
1517 } // End isTerminator = 1, isBranch = 1, isBarrier = 1
1519 let usesCustomInserter = 1 in {
1521 let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
1523 def MASK_WRITE : AMDGPUShaderInst <
1525 (ins R600_Reg32:$src),
1530 } // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
1532 def R600_LOAD_CONST : AMDGPUShaderInst <
1533 (outs R600_Reg32:$dst),
1535 "R600_LOAD_CONST $dst, $src0",
1536 [(set R600_Reg32:$dst, (int_AMDGPU_load_const imm:$src0))]
1539 def RESERVE_REG : AMDGPUShaderInst <
1543 [(int_AMDGPU_reserve_reg imm:$src)]
1546 def TXD: AMDGPUShaderInst <
1547 (outs R600_Reg128:$dst),
1548 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1549 "TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1550 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, imm:$textureTarget))]
1553 def TXD_SHADOW: AMDGPUShaderInst <
1554 (outs R600_Reg128:$dst),
1555 (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
1556 "TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
1557 [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))]
1560 } // End isPseudo = 1
1561 } // End usesCustomInserter = 1
1563 def CLAMP_R600 : CLAMP <R600_Reg32>;
1564 def FABS_R600 : FABS<R600_Reg32>;
1565 def FNEG_R600 : FNEG<R600_Reg32>;
1567 //===---------------------------------------------------------------------===//
1568 // Return instruction
1569 //===---------------------------------------------------------------------===//
1570 let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1 in {
1571 def RETURN : ILFormat<(outs), (ins variable_ops),
1572 "RETURN", [(IL_retflag)]>;
1575 //===--------------------------------------------------------------------===//
1576 // Instructions support
1577 //===--------------------------------------------------------------------===//
1578 //===---------------------------------------------------------------------===//
1579 // Custom Inserter for Branches and returns, this eventually will be a
1581 //===---------------------------------------------------------------------===//
1582 let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
1583 def BRANCH : ILFormat<(outs), (ins brtarget:$target),
1584 "; Pseudo unconditional branch instruction",
1586 defm BRANCH_COND : BranchConditional<IL_brcond>;
1589 //===---------------------------------------------------------------------===//
1590 // Flow and Program control Instructions
1591 //===---------------------------------------------------------------------===//
1592 let isTerminator=1 in {
1593 def SWITCH : ILFormat< (outs), (ins GPRI32:$src),
1594 !strconcat("SWITCH", " $src"), []>;
1595 def CASE : ILFormat< (outs), (ins GPRI32:$src),
1596 !strconcat("CASE", " $src"), []>;
1597 def BREAK : ILFormat< (outs), (ins),
1599 def CONTINUE : ILFormat< (outs), (ins),
1601 def DEFAULT : ILFormat< (outs), (ins),
1603 def ELSE : ILFormat< (outs), (ins),
1605 def ENDSWITCH : ILFormat< (outs), (ins),
1607 def ENDMAIN : ILFormat< (outs), (ins),
1609 def END : ILFormat< (outs), (ins),
1611 def ENDFUNC : ILFormat< (outs), (ins),
1613 def ENDIF : ILFormat< (outs), (ins),
1615 def WHILELOOP : ILFormat< (outs), (ins),
1617 def ENDLOOP : ILFormat< (outs), (ins),
1619 def FUNC : ILFormat< (outs), (ins),
1621 def RETDYN : ILFormat< (outs), (ins),
1623 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1624 defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
1625 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1626 defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
1627 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1628 defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
1629 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1630 defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
1631 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1632 defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
1633 // This opcode has custom swizzle pattern encoded in Swizzle Encoder
1634 defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
1635 defm IFC : BranchInstr2<"IFC">;
1636 defm BREAKC : BranchInstr2<"BREAKC">;
1637 defm CONTINUEC : BranchInstr2<"CONTINUEC">;
1640 //===----------------------------------------------------------------------===//
1642 //===----------------------------------------------------------------------===//
1644 //CNDGE_INT extra pattern
1646 (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
1647 (i32 R600_Reg32:$src2), COND_GT),
1648 (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
1654 (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO)))
1658 (int_AMDGPU_kill R600_Reg32:$src0),
1659 (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0)))
1664 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
1665 (SGT R600_Reg32:$src1, R600_Reg32:$src0)
1670 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
1671 (SGE R600_Reg32:$src1, R600_Reg32:$src0)
1674 // SETGT_INT reverse args
1676 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
1677 (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
1680 // SETGE_INT reverse args
1682 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
1683 (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
1686 // SETGT_UINT reverse args
1688 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
1689 (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1692 // SETGE_UINT reverse args
1694 (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
1695 (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
1698 // The next two patterns are special cases for handling 'true if ordered' and
1699 // 'true if unordered' conditionals. The assumption here is that the behavior of
1700 // SETE and SNE conforms to the Direct3D 10 rules for floating point values
1702 // http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
1703 // We assume that SETE returns false when one of the operands is NAN and
1704 // SNE returns true when on of the operands is NAN
1706 //SETE - 'true if ordered'
1708 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
1709 (SETE R600_Reg32:$src0, R600_Reg32:$src1)
1712 //SNE - 'true if unordered'
1714 (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
1715 (SNE R600_Reg32:$src0, R600_Reg32:$src1)
1718 def : Extract_Element <f32, v4f32, R600_Reg128, 0, sel_x>;
1719 def : Extract_Element <f32, v4f32, R600_Reg128, 1, sel_y>;
1720 def : Extract_Element <f32, v4f32, R600_Reg128, 2, sel_z>;
1721 def : Extract_Element <f32, v4f32, R600_Reg128, 3, sel_w>;
1723 def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sel_x>;
1724 def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sel_y>;
1725 def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sel_z>;
1726 def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sel_w>;
1728 def : Extract_Element <i32, v4i32, R600_Reg128, 0, sel_x>;
1729 def : Extract_Element <i32, v4i32, R600_Reg128, 1, sel_y>;
1730 def : Extract_Element <i32, v4i32, R600_Reg128, 2, sel_z>;
1731 def : Extract_Element <i32, v4i32, R600_Reg128, 3, sel_w>;
1733 def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sel_x>;
1734 def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sel_y>;
1735 def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sel_z>;
1736 def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sel_w>;
1738 def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
1739 def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;
1741 // bitconvert patterns
1743 def : BitConvert <i32, f32, R600_Reg32>;
1744 def : BitConvert <f32, i32, R600_Reg32>;
1745 def : BitConvert <v4f32, v4i32, R600_Reg128>;
1746 def : BitConvert <v4i32, v4f32, R600_Reg128>;
1748 // DWORDADDR pattern
1749 def : DwordAddrPat <i32, R600_Reg32>;
1751 } // End isR600toCayman Predicate