1 //===- MBlazeInstrInfo.td - MBlaze 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 //===----------------------------------------------------------------------===//
11 // Instruction format superclass
12 //===----------------------------------------------------------------------===//
13 include "MBlazeInstrFormats.td"
15 //===----------------------------------------------------------------------===//
16 // MBlaze type profiles
17 //===----------------------------------------------------------------------===//
19 // def SDTMBlazeSelectCC : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>]>;
20 def SDT_MBlazeRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
21 def SDT_MBlazeJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
22 def SDT_MBCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
23 def SDT_MBCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
25 //===----------------------------------------------------------------------===//
26 // MBlaze specific nodes
27 //===----------------------------------------------------------------------===//
29 def MBlazeRet : SDNode<"MBlazeISD::Ret", SDT_MBlazeRet,
30 [SDNPHasChain, SDNPOptInFlag]>;
32 def MBlazeJmpLink : SDNode<"MBlazeISD::JmpLink",SDT_MBlazeJmpLink,
33 [SDNPHasChain,SDNPOptInFlag,SDNPOutFlag]>;
35 def MBWrapper : SDNode<"MBlazeISD::Wrap", SDTIntUnaryOp>;
37 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MBCallSeqStart,
38 [SDNPHasChain, SDNPOutFlag]>;
40 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MBCallSeqEnd,
41 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
43 //===----------------------------------------------------------------------===//
44 // MBlaze Instruction Predicate Definitions.
45 //===----------------------------------------------------------------------===//
46 def HasPipe3 : Predicate<"Subtarget.hasPipe3()">;
47 def HasBarrel : Predicate<"Subtarget.hasBarrel()">;
48 def NoBarrel : Predicate<"!Subtarget.hasBarrel()">;
49 def HasDiv : Predicate<"Subtarget.hasDiv()">;
50 def HasMul : Predicate<"Subtarget.hasMul()">;
51 def HasFSL : Predicate<"Subtarget.hasFSL()">;
52 def HasEFSL : Predicate<"Subtarget.hasEFSL()">;
53 def HasMSRSet : Predicate<"Subtarget.hasMSRSet()">;
54 def HasException : Predicate<"Subtarget.hasException()">;
55 def HasPatCmp : Predicate<"Subtarget.hasPatCmp()">;
56 def HasFPU : Predicate<"Subtarget.hasFPU()">;
57 def HasESR : Predicate<"Subtarget.hasESR()">;
58 def HasPVR : Predicate<"Subtarget.hasPVR()">;
59 def HasMul64 : Predicate<"Subtarget.hasMul64()">;
60 def HasSqrt : Predicate<"Subtarget.hasSqrt()">;
61 def HasMMU : Predicate<"Subtarget.hasMMU()">;
63 //===----------------------------------------------------------------------===//
64 // MBlaze Operand, Complex Patterns and Transformations Definitions.
65 //===----------------------------------------------------------------------===//
67 def MBlazeMemAsmOperand : AsmOperandClass {
69 let SuperClasses = [];
72 def MBlazeFslAsmOperand : AsmOperandClass {
74 let SuperClasses = [];
77 // Instruction operand types
78 def brtarget : Operand<OtherVT>;
79 def calltarget : Operand<i32>;
80 def simm16 : Operand<i32>;
81 def uimm5 : Operand<i32>;
82 def uimm14 : Operand<i32>;
83 def uimm15 : Operand<i32>;
84 def fimm : Operand<f32>;
87 def uimm16 : Operand<i32> {
88 let PrintMethod = "printUnsignedImm";
92 def fslimm : Operand<i32> {
93 let PrintMethod = "printFSLImm";
94 let ParserMatchClass = MBlazeFslAsmOperand;
98 def memri : Operand<i32> {
99 let PrintMethod = "printMemOperand";
100 let MIOperandInfo = (ops GPR, simm16);
101 let ParserMatchClass = MBlazeMemAsmOperand;
104 def memrr : Operand<i32> {
105 let PrintMethod = "printMemOperand";
106 let MIOperandInfo = (ops GPR, GPR);
107 let ParserMatchClass = MBlazeMemAsmOperand;
110 // Node immediate fits as 16-bit sign extended on target immediate.
111 def immSExt16 : PatLeaf<(imm), [{
112 return (N->getZExtValue() >> 16) == 0;
115 // Node immediate fits as 16-bit zero extended on target immediate.
116 // The LO16 param means that only the lower 16 bits of the node
117 // immediate are caught.
119 def immZExt16 : PatLeaf<(imm), [{
120 return (N->getZExtValue() >> 16) == 0;
123 // FSL immediate field must fit in 4 bits.
124 def immZExt4 : PatLeaf<(imm), [{
125 return N->getZExtValue() == ((N->getZExtValue()) & 0xf) ;
128 // shamt field must fit in 5 bits.
129 def immZExt5 : PatLeaf<(imm), [{
130 return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
133 // MBlaze Address Mode. SDNode frameindex could possibily be a match
134 // since load and store instructions from stack used it.
135 def iaddr : ComplexPattern<i32, 2, "SelectAddrRegImm", [frameindex], []>;
136 def xaddr : ComplexPattern<i32, 2, "SelectAddrRegReg", [], []>;
138 //===----------------------------------------------------------------------===//
139 // Pseudo instructions
140 //===----------------------------------------------------------------------===//
142 // As stack alignment is always done with addiu, we need a 16-bit immediate
143 let Defs = [R1], Uses = [R1] in {
144 def ADJCALLSTACKDOWN : MBlazePseudo<(outs), (ins simm16:$amt),
145 "#ADJCALLSTACKDOWN $amt",
146 [(callseq_start timm:$amt)]>;
147 def ADJCALLSTACKUP : MBlazePseudo<(outs),
148 (ins uimm16:$amt1, simm16:$amt2),
149 "#ADJCALLSTACKUP $amt1",
150 [(callseq_end timm:$amt1, timm:$amt2)]>;
153 //===----------------------------------------------------------------------===//
154 // Instructions specific format
155 //===----------------------------------------------------------------------===//
157 //===----------------------------------------------------------------------===//
158 // Arithmetic Instructions
159 //===----------------------------------------------------------------------===//
160 class Arith<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
161 InstrItinClass itin> :
162 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
163 !strconcat(instr_asm, " $dst, $b, $c"),
164 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
166 class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
167 Operand Od, PatLeaf imm_type> :
168 TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
169 !strconcat(instr_asm, " $dst, $b, $c"),
170 [(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIAlu>;
172 class ShiftI<bits<6> op, bits<2> flags, string instr_asm, SDNode OpNode,
173 Operand Od, PatLeaf imm_type> :
174 SHT<op, flags, (outs GPR:$dst), (ins GPR:$b, Od:$c),
175 !strconcat(instr_asm, " $dst, $b, $c"),
176 [(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIAlu>;
178 class ArithR<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
179 InstrItinClass itin> :
180 TAR<op, flags, (outs GPR:$dst), (ins GPR:$c, GPR:$b),
181 !strconcat(instr_asm, " $dst, $c, $b"),
182 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
184 class ArithRI<bits<6> op, string instr_asm, SDNode OpNode,
185 Operand Od, PatLeaf imm_type> :
186 TBR<op, (outs GPR:$dst), (ins Od:$b, GPR:$c),
187 !strconcat(instr_asm, " $dst, $c, $b"),
188 [(set GPR:$dst, (OpNode imm_type:$b, GPR:$c))], IIAlu>;
190 class ArithN<bits<6> op, bits<11> flags, string instr_asm,
191 InstrItinClass itin> :
192 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
193 !strconcat(instr_asm, " $dst, $b, $c"),
196 class ArithNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
197 TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
198 !strconcat(instr_asm, " $dst, $b, $c"),
201 class ArithRN<bits<6> op, bits<11> flags, string instr_asm,
202 InstrItinClass itin> :
203 TAR<op, flags, (outs GPR:$dst), (ins GPR:$c, GPR:$b),
204 !strconcat(instr_asm, " $dst, $b, $c"),
207 class ArithRNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
208 TBR<op, (outs GPR:$dst), (ins Od:$c, GPR:$b),
209 !strconcat(instr_asm, " $dst, $b, $c"),
212 //===----------------------------------------------------------------------===//
213 // Misc Arithmetic Instructions
214 //===----------------------------------------------------------------------===//
216 class Logic<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode> :
217 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
218 !strconcat(instr_asm, " $dst, $b, $c"),
219 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], IIAlu>;
221 class LogicI<bits<6> op, string instr_asm, SDNode OpNode> :
222 TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
223 !strconcat(instr_asm, " $dst, $b, $c"),
224 [(set GPR:$dst, (OpNode GPR:$b, immZExt16:$c))],
227 class PatCmp<bits<6> op, bits<11> flags, string instr_asm> :
228 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
229 !strconcat(instr_asm, " $dst, $b, $c"),
232 //===----------------------------------------------------------------------===//
233 // Memory Access Instructions
234 //===----------------------------------------------------------------------===//
235 class LoadM<bits<6> op, bits<11> flags, string instr_asm> :
236 TA<op, flags, (outs GPR:$dst), (ins memrr:$addr),
237 !strconcat(instr_asm, " $dst, $addr"),
240 class LoadMI<bits<6> op, string instr_asm, PatFrag OpNode> :
241 TB<op, (outs GPR:$dst), (ins memri:$addr),
242 !strconcat(instr_asm, " $dst, $addr"),
243 [(set (i32 GPR:$dst), (OpNode iaddr:$addr))], IILoad>;
245 class StoreM<bits<6> op, bits<11> flags, string instr_asm> :
246 TA<op, flags, (outs), (ins GPR:$dst, memrr:$addr),
247 !strconcat(instr_asm, " $dst, $addr"),
250 class StoreMI<bits<6> op, string instr_asm, PatFrag OpNode> :
251 TB<op, (outs), (ins GPR:$dst, memri:$addr),
252 !strconcat(instr_asm, " $dst, $addr"),
253 [(OpNode (i32 GPR:$dst), iaddr:$addr)], IIStore>;
255 //===----------------------------------------------------------------------===//
256 // Branch Instructions
257 //===----------------------------------------------------------------------===//
258 class Branch<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
259 TA<op, flags, (outs), (ins GPR:$target),
260 !strconcat(instr_asm, " $target"),
267 class BranchI<bits<6> op, bits<5> br, string instr_asm> :
268 TB<op, (outs), (ins brtarget:$target),
269 !strconcat(instr_asm, " $target"),
276 //===----------------------------------------------------------------------===//
277 // Branch and Link Instructions
278 //===----------------------------------------------------------------------===//
279 class BranchL<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
280 TA<op, flags, (outs), (ins GPR:$link, GPR:$target),
281 !strconcat(instr_asm, " $link, $target"),
287 class BranchLI<bits<6> op, bits<5> br, string instr_asm> :
288 TB<op, (outs), (ins GPR:$link, calltarget:$target),
289 !strconcat(instr_asm, " $link, $target"),
295 //===----------------------------------------------------------------------===//
296 // Conditional Branch Instructions
297 //===----------------------------------------------------------------------===//
298 class BranchC<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
299 TA<op, flags, (outs),
300 (ins GPR:$a, GPR:$b),
301 !strconcat(instr_asm, " $a, $b"),
307 class BranchCI<bits<6> op, bits<5> br, string instr_asm> :
308 TB<op, (outs), (ins GPR:$a, brtarget:$offset),
309 !strconcat(instr_asm, " $a, $offset"),
315 //===----------------------------------------------------------------------===//
316 // MBlaze arithmetic instructions
317 //===----------------------------------------------------------------------===//
319 let isCommutable = 1, isAsCheapAsAMove = 1 in {
320 def ADD : Arith<0x00, 0x000, "add ", add, IIAlu>;
321 def ADDC : Arith<0x02, 0x000, "addc ", adde, IIAlu>;
322 def ADDK : Arith<0x04, 0x000, "addk ", addc, IIAlu>;
323 def ADDKC : ArithN<0x06, 0x000, "addkc ", IIAlu>;
324 def AND : Logic<0x21, 0x000, "and ", and>;
325 def OR : Logic<0x20, 0x000, "or ", or>;
326 def XOR : Logic<0x22, 0x000, "xor ", xor>;
327 def PCMPBF : PatCmp<0x20, 0x400, "pcmpbf ">;
328 def PCMPEQ : PatCmp<0x23, 0x400, "pcmpeq ">;
329 def PCMPNE : PatCmp<0x22, 0x400, "pcmpne ">;
332 let isAsCheapAsAMove = 1 in {
333 def ANDN : ArithN<0x23, 0x000, "andn ", IIAlu>;
334 def CMP : ArithN<0x05, 0x001, "cmp ", IIAlu>;
335 def CMPU : ArithN<0x05, 0x003, "cmpu ", IIAlu>;
336 def RSUB : ArithR<0x01, 0x000, "rsub ", sub, IIAlu>;
337 def RSUBC : ArithR<0x03, 0x000, "rsubc ", sube, IIAlu>;
338 def RSUBK : ArithR<0x05, 0x000, "rsubk ", subc, IIAlu>;
339 def RSUBKC : ArithRN<0x07, 0x000, "rsubkc ", IIAlu>;
342 let isCommutable = 1, Predicates=[HasMul] in {
343 def MUL : Arith<0x10, 0x000, "mul ", mul, IIAlu>;
346 let isCommutable = 1, Predicates=[HasMul,HasMul64] in {
347 def MULH : Arith<0x10, 0x001, "mulh ", mulhs, IIAlu>;
348 def MULHU : Arith<0x10, 0x003, "mulhu ", mulhu, IIAlu>;
351 let Predicates=[HasMul,HasMul64] in {
352 def MULHSU : ArithN<0x10, 0x002, "mulhsu ", IIAlu>;
355 let Predicates=[HasBarrel] in {
356 def BSRL : Arith<0x11, 0x000, "bsrl ", srl, IIAlu>;
357 def BSRA : Arith<0x11, 0x200, "bsra ", sra, IIAlu>;
358 def BSLL : Arith<0x11, 0x400, "bsll ", shl, IIAlu>;
359 def BSRLI : ShiftI<0x19, 0x0, "bsrli ", srl, uimm5, immZExt5>;
360 def BSRAI : ShiftI<0x19, 0x1, "bsrai ", sra, uimm5, immZExt5>;
361 def BSLLI : ShiftI<0x19, 0x2, "bslli ", shl, uimm5, immZExt5>;
364 let Predicates=[HasDiv] in {
365 def IDIV : Arith<0x12, 0x000, "idiv ", sdiv, IIAlu>;
366 def IDIVU : Arith<0x12, 0x002, "idivu ", udiv, IIAlu>;
369 //===----------------------------------------------------------------------===//
370 // MBlaze immediate mode arithmetic instructions
371 //===----------------------------------------------------------------------===//
373 let isAsCheapAsAMove = 1 in {
374 def ADDI : ArithI<0x08, "addi ", add, simm16, immSExt16>;
375 def ADDIC : ArithNI<0x0A, "addic ", simm16, immSExt16>;
376 def ADDIK : ArithNI<0x0C, "addik ", simm16, immSExt16>;
377 def ADDIKC : ArithI<0x0E, "addikc ", addc, simm16, immSExt16>;
378 def RSUBI : ArithRI<0x09, "rsubi ", sub, simm16, immSExt16>;
379 def RSUBIC : ArithRNI<0x0B, "rsubi ", simm16, immSExt16>;
380 def RSUBIK : ArithRNI<0x0E, "rsubic ", simm16, immSExt16>;
381 def RSUBIKC : ArithRI<0x0F, "rsubikc", subc, simm16, immSExt16>;
382 def ANDNI : ArithNI<0x2B, "andni ", uimm16, immZExt16>;
383 def ANDI : LogicI<0x29, "andi ", and>;
384 def ORI : LogicI<0x28, "ori ", or>;
385 def XORI : LogicI<0x2A, "xori ", xor>;
388 let Predicates=[HasMul] in {
389 def MULI : ArithI<0x18, "muli ", mul, simm16, immSExt16>;
392 //===----------------------------------------------------------------------===//
393 // MBlaze memory access instructions
394 //===----------------------------------------------------------------------===//
396 let canFoldAsLoad = 1, isReMaterializable = 1 in {
397 def LBU : LoadM<0x30, 0x000, "lbu ">;
398 def LBUR : LoadM<0x30, 0x200, "lbur ">;
400 def LHU : LoadM<0x31, 0x000, "lhu ">;
401 def LHUR : LoadM<0x31, 0x200, "lhur ">;
403 def LW : LoadM<0x32, 0x000, "lw ">;
404 def LWR : LoadM<0x32, 0x200, "lwr ">;
405 def LWX : LoadM<0x32, 0x400, "lwx ">;
407 def LBUI : LoadMI<0x38, "lbui ", zextloadi8>;
408 def LHUI : LoadMI<0x39, "lhui ", zextloadi16>;
409 def LWI : LoadMI<0x3A, "lwi ", load>;
412 def SB : StoreM<0x34, 0x000, "sb ">;
413 def SBR : StoreM<0x34, 0x200, "sbr ">;
415 def SH : StoreM<0x35, 0x000, "sh ">;
416 def SHR : StoreM<0x35, 0x200, "shr ">;
418 def SW : StoreM<0x36, 0x000, "sw ">;
419 def SWR : StoreM<0x36, 0x200, "swr ">;
420 def SWX : StoreM<0x36, 0x400, "swx ">;
422 def SBI : StoreMI<0x3C, "sbi ", truncstorei8>;
423 def SHI : StoreMI<0x3D, "shi ", truncstorei16>;
424 def SWI : StoreMI<0x3E, "swi ", store>;
426 //===----------------------------------------------------------------------===//
427 // MBlaze branch instructions
428 //===----------------------------------------------------------------------===//
430 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
431 def BRI : BranchI<0x2E, 0x00, "bri ">;
432 def BRAI : BranchI<0x2E, 0x08, "brai ">;
435 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
436 def BEQI : BranchCI<0x2F, 0x00, "beqi ">;
437 def BNEI : BranchCI<0x2F, 0x01, "bnei ">;
438 def BLTI : BranchCI<0x2F, 0x02, "blti ">;
439 def BLEI : BranchCI<0x2F, 0x03, "blei ">;
440 def BGTI : BranchCI<0x2F, 0x04, "bgti ">;
441 def BGEI : BranchCI<0x2F, 0x05, "bgei ">;
444 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1,
446 def BR : Branch<0x26, 0x00, 0x000, "br ">;
447 def BRA : Branch<0x26, 0x08, 0x000, "bra ">;
450 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
451 def BEQ : BranchC<0x27, 0x00, 0x000, "beq ">;
452 def BNE : BranchC<0x27, 0x01, 0x000, "bne ">;
453 def BLT : BranchC<0x27, 0x02, 0x000, "blt ">;
454 def BLE : BranchC<0x27, 0x03, 0x000, "ble ">;
455 def BGT : BranchC<0x27, 0x04, 0x000, "bgt ">;
456 def BGE : BranchC<0x27, 0x05, 0x000, "bge ">;
459 let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1,
461 def BRID : BranchI<0x2E, 0x10, "brid ">;
462 def BRAID : BranchI<0x2E, 0x18, "braid ">;
465 let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1 in {
466 def BEQID : BranchCI<0x2F, 0x10, "beqid ">;
467 def BNEID : BranchCI<0x2F, 0x11, "bneid ">;
468 def BLTID : BranchCI<0x2F, 0x12, "bltid ">;
469 def BLEID : BranchCI<0x2F, 0x13, "bleid ">;
470 def BGTID : BranchCI<0x2F, 0x14, "bgtid ">;
471 def BGEID : BranchCI<0x2F, 0x15, "bgeid ">;
474 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
475 hasDelaySlot = 1, hasCtrlDep = 1, isBarrier = 1 in {
476 def BRD : Branch<0x26, 0x10, 0x000, "brd ">;
477 def BRAD : Branch<0x26, 0x18, 0x000, "brad ">;
480 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
481 hasDelaySlot = 1, hasCtrlDep = 1 in {
482 def BEQD : BranchC<0x27, 0x10, 0x000, "beqd ">;
483 def BNED : BranchC<0x27, 0x11, 0x000, "bned ">;
484 def BLTD : BranchC<0x27, 0x12, 0x000, "bltd ">;
485 def BLED : BranchC<0x27, 0x13, 0x000, "bled ">;
486 def BGTD : BranchC<0x27, 0x14, 0x000, "bgtd ">;
487 def BGED : BranchC<0x27, 0x15, 0x000, "bged ">;
490 let isCall = 1, hasDelaySlot = 1, hasCtrlDep = 1, isBarrier = 1,
491 Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12],
492 Uses = [R1,R5,R6,R7,R8,R9,R10] in {
493 def BRLID : BranchLI<0x2E, 0x14, "brlid ">;
494 def BRALID : BranchLI<0x2E, 0x1C, "bralid ">;
497 let isCall = 1, hasDelaySlot = 1, hasCtrlDep = 1, isIndirectBranch = 1,
499 Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12],
500 Uses = [R1,R5,R6,R7,R8,R9,R10] in {
501 def BRLD : BranchL<0x26, 0x14, 0x000, "brld ">;
502 def BRALD : BranchL<0x26, 0x1C, 0x000, "brald ">;
505 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
506 hasCtrlDep=1, rd=0x10, Form=FCRI in {
507 def RTSD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
508 "rtsd $target, $imm",
513 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
514 hasCtrlDep=1, rd=0x11, Form=FCRI in {
515 def RTID : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
516 "rtid $target, $imm",
521 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
522 hasCtrlDep=1, rd=0x12, Form=FCRI in {
523 def RTBD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
524 "rtbd $target, $imm",
529 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
530 hasCtrlDep=1, rd=0x14, Form=FCRI in {
531 def RTED : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
532 "rted $target, $imm",
537 //===----------------------------------------------------------------------===//
538 // MBlaze misc instructions
539 //===----------------------------------------------------------------------===//
541 let neverHasSideEffects = 1 in {
542 def NOP : MBlazeInst< 0x20, FC, (outs), (ins), "nop ", [], IIAlu>;
545 let usesCustomInserter = 1 in {
546 def Select_CC : MBlazePseudo<(outs GPR:$dst),
547 (ins GPR:$T, GPR:$F, GPR:$CMP, i32imm:$CC),
548 "; SELECT_CC PSEUDO!",
551 def ShiftL : MBlazePseudo<(outs GPR:$dst),
552 (ins GPR:$L, GPR:$R),
556 def ShiftRA : MBlazePseudo<(outs GPR:$dst),
557 (ins GPR:$L, GPR:$R),
561 def ShiftRL : MBlazePseudo<(outs GPR:$dst),
562 (ins GPR:$L, GPR:$R),
569 def SEXT16 : TA<0x24, 0x061, (outs GPR:$dst), (ins GPR:$src),
570 "sext16 $dst, $src", [], IIAlu>;
571 def SEXT8 : TA<0x24, 0x060, (outs GPR:$dst), (ins GPR:$src),
572 "sext8 $dst, $src", [], IIAlu>;
573 def SRL : TA<0x24, 0x041, (outs GPR:$dst), (ins GPR:$src),
574 "srl $dst, $src", [], IIAlu>;
575 def SRA : TA<0x24, 0x001, (outs GPR:$dst), (ins GPR:$src),
576 "sra $dst, $src", [], IIAlu>;
577 def SRC : TA<0x24, 0x021, (outs GPR:$dst), (ins GPR:$src),
578 "src $dst, $src", [], IIAlu>;
581 let opcode=0x08, isCodeGenOnly=1 in {
582 def LEA_ADDI : TB<0x08, (outs GPR:$dst), (ins memri:$addr),
583 "addi $dst, ${addr:stackloc}",
584 [(set GPR:$dst, iaddr:$addr)], IIAlu>;
587 //===----------------------------------------------------------------------===//
588 // Misc. instructions
589 //===----------------------------------------------------------------------===//
590 def MFS : SPC<0x25, 0x2, (outs GPR:$dst), (ins uimm14:$rg),
591 "mfs $dst, $rg", [], IIAlu>;
593 def MTS : SPC<0x25, 0x3, (outs), (ins uimm14:$dst, GPR:$rg),
594 "mts $dst, $rg", [], IIAlu>;
596 def MSRSET : MSR<0x25, 0x20, (outs GPR:$dst), (ins uimm15:$set),
597 "msrset $dst, $set", [], IIAlu>;
599 def MSRCLR : MSR<0x25, 0x22, (outs GPR:$dst), (ins uimm15:$clr),
600 "msrclr $dst, $clr", [], IIAlu>;
602 let rd=0x0, Form=FCRR in {
603 def WDC : TA<0x24, 0x64, (outs), (ins GPR:$a, GPR:$b),
604 "wdc $a, $b", [], IIAlu>;
605 def WDCF : TA<0x24, 0x74, (outs), (ins GPR:$a, GPR:$b),
606 "wdc.flush $a, $b", [], IIAlu>;
607 def WDCC : TA<0x24, 0x66, (outs), (ins GPR:$a, GPR:$b),
608 "wdc.clear $a, $b", [], IIAlu>;
609 def WIC : TA<0x24, 0x68, (outs), (ins GPR:$a, GPR:$b),
610 "wic $a, $b", [], IIAlu>;
613 def BRK : BranchL<0x26, 0x0C, 0x000, "brk ">;
614 def BRKI : BranchLI<0x2E, 0x0C, "brki ">;
616 def IMM : MBlazeInst<0x2C, FCCI, (outs), (ins simm16:$imm),
617 "imm $imm", [], IIAlu>;
619 //===----------------------------------------------------------------------===//
620 // Arbitrary patterns that map to one or more instructions
621 //===----------------------------------------------------------------------===//
624 def : Pat<(i32 0), (ADD (i32 R0), (i32 R0))>;
625 def : Pat<(i32 immSExt16:$imm), (ADDI (i32 R0), imm:$imm)>;
626 def : Pat<(i32 immZExt16:$imm), (ORI (i32 R0), imm:$imm)>;
628 // Arbitrary immediates
629 def : Pat<(i32 imm:$imm), (ADDI (i32 R0), imm:$imm)>;
631 // In register sign extension
632 def : Pat<(sext_inreg GPR:$src, i16), (SEXT16 GPR:$src)>;
633 def : Pat<(sext_inreg GPR:$src, i8), (SEXT8 GPR:$src)>;
636 def : Pat<(MBlazeJmpLink (i32 tglobaladdr:$dst)),
637 (BRLID (i32 R15), tglobaladdr:$dst)>;
639 def : Pat<(MBlazeJmpLink (i32 texternalsym:$dst)),
640 (BRLID (i32 R15), texternalsym:$dst)>;
642 def : Pat<(MBlazeJmpLink GPR:$dst),
643 (BRLD (i32 R15), GPR:$dst)>;
645 // Shift Instructions
646 def : Pat<(shl GPR:$L, GPR:$R), (ShiftL GPR:$L, GPR:$R)>;
647 def : Pat<(sra GPR:$L, GPR:$R), (ShiftRA GPR:$L, GPR:$R)>;
648 def : Pat<(srl GPR:$L, GPR:$R), (ShiftRL GPR:$L, GPR:$R)>;
651 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ),
652 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
653 (CMP GPR:$L, GPR:$R), 1)>;
654 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETNE),
655 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
656 (CMP GPR:$L, GPR:$R), 2)>;
657 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGT),
658 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
659 (CMP GPR:$L, GPR:$R), 3)>;
660 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLT),
661 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
662 (CMP GPR:$L, GPR:$R), 4)>;
663 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGE),
664 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
665 (CMP GPR:$L, GPR:$R), 5)>;
666 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLE),
667 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
668 (CMP GPR:$L, GPR:$R), 6)>;
669 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT),
670 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
671 (CMPU GPR:$L, GPR:$R), 3)>;
672 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULT),
673 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
674 (CMPU GPR:$L, GPR:$R), 4)>;
675 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE),
676 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
677 (CMPU GPR:$L, GPR:$R), 5)>;
678 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULE),
679 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
680 (CMPU GPR:$L, GPR:$R), 6)>;
683 def : Pat<(select (i32 GPR:$C), (i32 GPR:$T), (i32 GPR:$F)),
684 (Select_CC GPR:$T, GPR:$F, GPR:$C, 2)>;
687 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
688 (i32 GPR:$T), (i32 GPR:$F), SETEQ),
689 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 1)>;
690 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
691 (i32 GPR:$T), (i32 GPR:$F), SETNE),
692 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 2)>;
693 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
694 (i32 GPR:$T), (i32 GPR:$F), SETGT),
695 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 3)>;
696 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
697 (i32 GPR:$T), (i32 GPR:$F), SETLT),
698 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 4)>;
699 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
700 (i32 GPR:$T), (i32 GPR:$F), SETGE),
701 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 5)>;
702 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
703 (i32 GPR:$T), (i32 GPR:$F), SETLE),
704 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 6)>;
705 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
706 (i32 GPR:$T), (i32 GPR:$F), SETUGT),
707 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 3)>;
708 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
709 (i32 GPR:$T), (i32 GPR:$F), SETULT),
710 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 4)>;
711 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
712 (i32 GPR:$T), (i32 GPR:$F), SETUGE),
713 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 5)>;
714 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
715 (i32 GPR:$T), (i32 GPR:$F), SETULE),
716 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 6)>;
719 def : Pat<(MBlazeRet GPR:$target), (RTSD GPR:$target, 0x8)>;
722 def : Pat<(br bb:$T), (BRID bb:$T)>;
723 def : Pat<(brind GPR:$T), (BRD GPR:$T)>;
725 // BRCOND instructions
726 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ), bb:$T),
727 (BEQID (CMP GPR:$R, GPR:$L), bb:$T)>;
728 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETNE), bb:$T),
729 (BNEID (CMP GPR:$R, GPR:$L), bb:$T)>;
730 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGT), bb:$T),
731 (BGTID (CMP GPR:$R, GPR:$L), bb:$T)>;
732 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLT), bb:$T),
733 (BLTID (CMP GPR:$R, GPR:$L), bb:$T)>;
734 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGE), bb:$T),
735 (BGEID (CMP GPR:$R, GPR:$L), bb:$T)>;
736 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLE), bb:$T),
737 (BLEID (CMP GPR:$R, GPR:$L), bb:$T)>;
738 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT), bb:$T),
739 (BGTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
740 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULT), bb:$T),
741 (BLTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
742 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE), bb:$T),
743 (BGEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
744 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULE), bb:$T),
745 (BLEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
746 def : Pat<(brcond (i32 GPR:$C), bb:$T),
747 (BNEID GPR:$C, bb:$T)>;
749 // Jump tables, global addresses, and constant pools
750 def : Pat<(MBWrapper tglobaladdr:$in), (ORI (i32 R0), tglobaladdr:$in)>;
751 def : Pat<(MBWrapper tjumptable:$in), (ORI (i32 R0), tjumptable:$in)>;
752 def : Pat<(MBWrapper tconstpool:$in), (ORI (i32 R0), tconstpool:$in)>;
755 def : Pat<(and (i32 GPR:$lh), (not (i32 GPR:$rh))),(ANDN GPR:$lh, GPR:$rh)>;
757 // Arithmetic with immediates
758 def : Pat<(add (i32 GPR:$in), imm:$imm),(ADDI GPR:$in, imm:$imm)>;
759 def : Pat<(or (i32 GPR:$in), imm:$imm),(ORI GPR:$in, imm:$imm)>;
760 def : Pat<(xor (i32 GPR:$in), imm:$imm),(XORI GPR:$in, imm:$imm)>;
762 // Convert any extend loads into zero extend loads
763 def : Pat<(extloadi8 iaddr:$src), (i32 (LBUI iaddr:$src))>;
764 def : Pat<(extloadi16 iaddr:$src), (i32 (LHUI iaddr:$src))>;
765 def : Pat<(extloadi8 xaddr:$src), (i32 (LBU xaddr:$src))>;
766 def : Pat<(extloadi16 xaddr:$src), (i32 (LHU xaddr:$src))>;
768 // 32-bit load and store
769 def : Pat<(store (i32 GPR:$dst), xaddr:$addr), (SW GPR:$dst, xaddr:$addr)>;
770 def : Pat<(load xaddr:$addr), (i32 (LW xaddr:$addr))>;
772 // 16-bit load and store
773 def : Pat<(truncstorei16 (i32 GPR:$dst), xaddr:$addr), (SH GPR:$dst, xaddr:$addr)>;
774 def : Pat<(zextloadi16 xaddr:$addr), (i32 (LHU xaddr:$addr))>;
776 // 8-bit load and store
777 def : Pat<(truncstorei8 (i32 GPR:$dst), xaddr:$addr), (SB GPR:$dst, xaddr:$addr)>;
778 def : Pat<(zextloadi8 xaddr:$addr), (i32 (LBU xaddr:$addr))>;
781 def : Pat<(store (i32 0), iaddr:$dst), (SWI (i32 R0), iaddr:$dst)>;
783 //===----------------------------------------------------------------------===//
784 // Floating Point Support
785 //===----------------------------------------------------------------------===//
786 include "MBlazeInstrFSL.td"
787 include "MBlazeInstrFPU.td"