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 fimm : Operand<f32>;
85 def uimm16 : Operand<i32> {
86 let PrintMethod = "printUnsignedImm";
90 def fslimm : Operand<i32> {
91 let PrintMethod = "printFSLImm";
92 let ParserMatchClass = MBlazeFslAsmOperand;
96 def memri : Operand<i32> {
97 let PrintMethod = "printMemOperand";
98 let MIOperandInfo = (ops simm16, GPR);
99 let ParserMatchClass = MBlazeMemAsmOperand;
102 def memrr : Operand<i32> {
103 let PrintMethod = "printMemOperand";
104 let MIOperandInfo = (ops GPR, GPR);
105 let ParserMatchClass = MBlazeMemAsmOperand;
108 // Node immediate fits as 16-bit sign extended on target immediate.
109 def immSExt16 : PatLeaf<(imm), [{
110 return (N->getZExtValue() >> 16) == 0;
113 // Node immediate fits as 16-bit zero extended on target immediate.
114 // The LO16 param means that only the lower 16 bits of the node
115 // immediate are caught.
117 def immZExt16 : PatLeaf<(imm), [{
118 return (N->getZExtValue() >> 16) == 0;
121 // FSL immediate field must fit in 4 bits.
122 def immZExt4 : PatLeaf<(imm), [{
123 return N->getZExtValue() == ((N->getZExtValue()) & 0xf) ;
126 // shamt field must fit in 5 bits.
127 def immZExt5 : PatLeaf<(imm), [{
128 return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
131 // MBlaze Address Mode. SDNode frameindex could possibily be a match
132 // since load and store instructions from stack used it.
133 def iaddr : ComplexPattern<i32, 2, "SelectAddrRegImm", [frameindex], []>;
134 def xaddr : ComplexPattern<i32, 2, "SelectAddrRegReg", [], []>;
136 //===----------------------------------------------------------------------===//
137 // Pseudo instructions
138 //===----------------------------------------------------------------------===//
140 // As stack alignment is always done with addiu, we need a 16-bit immediate
141 let Defs = [R1], Uses = [R1] in {
142 def ADJCALLSTACKDOWN : MBlazePseudo<(outs), (ins simm16:$amt),
143 "#ADJCALLSTACKDOWN $amt",
144 [(callseq_start timm:$amt)]>;
145 def ADJCALLSTACKUP : MBlazePseudo<(outs),
146 (ins uimm16:$amt1, simm16:$amt2),
147 "#ADJCALLSTACKUP $amt1",
148 [(callseq_end timm:$amt1, timm:$amt2)]>;
151 //===----------------------------------------------------------------------===//
152 // Instructions specific format
153 //===----------------------------------------------------------------------===//
155 //===----------------------------------------------------------------------===//
156 // Arithmetic Instructions
157 //===----------------------------------------------------------------------===//
158 class Arith<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
159 InstrItinClass itin> :
160 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
161 !strconcat(instr_asm, " $dst, $b, $c"),
162 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
164 class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
165 Operand Od, PatLeaf imm_type> :
166 TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
167 !strconcat(instr_asm, " $dst, $b, $c"),
168 [(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIAlu>;
170 class ArithR<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
171 InstrItinClass itin> :
172 TA<op, flags, (outs GPR:$dst), (ins GPR:$c, GPR:$b),
173 !strconcat(instr_asm, " $dst, $c, $b"),
174 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
176 class ArithRI<bits<6> op, string instr_asm, SDNode OpNode,
177 Operand Od, PatLeaf imm_type> :
178 TBR<op, (outs GPR:$dst), (ins Od:$b, GPR:$c),
179 !strconcat(instr_asm, " $dst, $c, $b"),
180 [(set GPR:$dst, (OpNode imm_type:$b, GPR:$c))], IIAlu>;
182 class ArithN<bits<6> op, bits<11> flags, string instr_asm,
183 InstrItinClass itin> :
184 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
185 !strconcat(instr_asm, " $dst, $b, $c"),
188 class ArithNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
189 TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
190 !strconcat(instr_asm, " $dst, $b, $c"),
193 class ArithRN<bits<6> op, bits<11> flags, string instr_asm,
194 InstrItinClass itin> :
195 TA<op, flags, (outs GPR:$dst), (ins GPR:$c, GPR:$b),
196 !strconcat(instr_asm, " $dst, $b, $c"),
199 class ArithRNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
200 TB<op, (outs GPR:$dst), (ins Od:$c, GPR:$b),
201 !strconcat(instr_asm, " $dst, $b, $c"),
204 //===----------------------------------------------------------------------===//
205 // Misc Arithmetic Instructions
206 //===----------------------------------------------------------------------===//
208 class Logic<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode> :
209 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
210 !strconcat(instr_asm, " $dst, $b, $c"),
211 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], IIAlu>;
213 class LogicI<bits<6> op, string instr_asm, SDNode OpNode> :
214 TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
215 !strconcat(instr_asm, " $dst, $b, $c"),
216 [(set GPR:$dst, (OpNode GPR:$b, immZExt16:$c))],
219 class PatCmp<bits<6> op, bits<11> flags, string instr_asm> :
220 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
221 !strconcat(instr_asm, " $dst, $b, $c"),
224 //===----------------------------------------------------------------------===//
225 // Memory Access Instructions
226 //===----------------------------------------------------------------------===//
227 class LoadM<bits<6> op, string instr_asm, PatFrag OpNode> :
228 TA<op, 0x000, (outs GPR:$dst), (ins memrr:$addr),
229 !strconcat(instr_asm, " $dst, $addr"),
230 [(set (i32 GPR:$dst), (OpNode xaddr:$addr))], IILoad>;
232 class LoadW<bits<6> op, bits<11> flags, string instr_asm> :
233 TA<op, flags, (outs GPR:$dst), (ins memrr:$addr),
234 !strconcat(instr_asm, " $dst, $addr"),
237 class LoadMI<bits<6> op, string instr_asm, PatFrag OpNode> :
238 TBR<op, (outs GPR:$dst), (ins memri:$addr),
239 !strconcat(instr_asm, " $dst, $addr"),
240 [(set (i32 GPR:$dst), (OpNode iaddr:$addr))], IILoad>;
242 class StoreM<bits<6> op, string instr_asm, PatFrag OpNode> :
243 TA<op, 0x000, (outs), (ins GPR:$dst, memrr:$addr),
244 !strconcat(instr_asm, " $dst, $addr"),
245 [(OpNode (i32 GPR:$dst), xaddr:$addr)], IIStore>;
247 class StoreW<bits<6> op, bits<11> flags, string instr_asm> :
248 TA<op, flags, (outs), (ins GPR:$dst, memrr:$addr),
249 !strconcat(instr_asm, " $dst, $addr"),
252 class StoreMI<bits<6> op, string instr_asm, PatFrag OpNode> :
253 TBR<op, (outs), (ins GPR:$dst, memri:$addr),
254 !strconcat(instr_asm, " $dst, $addr"),
255 [(OpNode (i32 GPR:$dst), iaddr:$addr)], IIStore>;
257 //===----------------------------------------------------------------------===//
258 // Branch Instructions
259 //===----------------------------------------------------------------------===//
260 class Branch<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
261 TA<op, flags, (outs), (ins GPR:$target),
262 !strconcat(instr_asm, " $target"),
269 class BranchI<bits<6> op, bits<5> br, string instr_asm> :
270 TB<op, (outs), (ins brtarget:$target),
271 !strconcat(instr_asm, " $target"),
278 //===----------------------------------------------------------------------===//
279 // Branch and Link Instructions
280 //===----------------------------------------------------------------------===//
281 class BranchL<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
282 TA<op, flags, (outs), (ins GPR:$link, GPR:$target),
283 !strconcat(instr_asm, " $link, $target"),
289 class BranchLI<bits<6> op, bits<5> br, string instr_asm> :
290 TB<op, (outs), (ins GPR:$link, calltarget:$target),
291 !strconcat(instr_asm, " $link, $target"),
297 //===----------------------------------------------------------------------===//
298 // Conditional Branch Instructions
299 //===----------------------------------------------------------------------===//
300 class BranchC<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
301 TA<op, flags, (outs),
302 (ins GPR:$a, GPR:$b),
303 !strconcat(instr_asm, " $a, $b"),
309 class BranchCI<bits<6> op, bits<5> br, string instr_asm> :
310 TB<op, (outs), (ins GPR:$a, brtarget:$offset),
311 !strconcat(instr_asm, " $a, $offset"),
317 //===----------------------------------------------------------------------===//
318 // MBlaze arithmetic instructions
319 //===----------------------------------------------------------------------===//
321 let isCommutable = 1, isAsCheapAsAMove = 1 in {
322 def ADD : Arith<0x00, 0x000, "add ", add, IIAlu>;
323 def ADDC : Arith<0x02, 0x000, "addc ", adde, IIAlu>;
324 def ADDK : Arith<0x04, 0x000, "addk ", addc, IIAlu>;
325 def ADDKC : ArithN<0x06, 0x000, "addkc ", IIAlu>;
326 def AND : Logic<0x21, 0x000, "and ", and>;
327 def OR : Logic<0x20, 0x000, "or ", or>;
328 def XOR : Logic<0x22, 0x000, "xor ", xor>;
329 def PCMPBF : PatCmp<0x20, 0x400, "pcmpbf ">;
330 def PCMPEQ : PatCmp<0x23, 0x400, "pcmpeq ">;
331 def PCMPNE : PatCmp<0x22, 0x400, "pcmpne ">;
334 let isAsCheapAsAMove = 1 in {
335 def ANDN : ArithN<0x23, 0x000, "andn ", IIAlu>;
336 def CMP : ArithN<0x05, 0x001, "cmp ", IIAlu>;
337 def CMPU : ArithN<0x05, 0x003, "cmpu ", IIAlu>;
338 def RSUB : ArithR<0x01, 0x000, "rsub ", sub, IIAlu>;
339 def RSUBC : ArithR<0x03, 0x000, "rsubc ", sube, IIAlu>;
340 def RSUBK : ArithR<0x05, 0x000, "rsubk ", subc, IIAlu>;
341 def RSUBKC : ArithRN<0x07, 0x000, "rsubkc ", IIAlu>;
344 let isCommutable = 1, Predicates=[HasMul] in {
345 def MUL : Arith<0x10, 0x000, "mul ", mul, IIAlu>;
348 let isCommutable = 1, Predicates=[HasMul,HasMul64] in {
349 def MULH : Arith<0x10, 0x001, "mulh ", mulhs, IIAlu>;
350 def MULHU : Arith<0x10, 0x003, "mulhu ", mulhu, IIAlu>;
353 let Predicates=[HasMul,HasMul64] in {
354 def MULHSU : ArithN<0x10, 0x002, "mulhsu ", IIAlu>;
357 let Predicates=[HasBarrel] in {
358 def BSRL : Arith<0x11, 0x000, "bsrl ", srl, IIAlu>;
359 def BSRA : Arith<0x11, 0x200, "bsra ", sra, IIAlu>;
360 def BSLL : Arith<0x11, 0x400, "bsll ", shl, IIAlu>;
361 def BSRLI : ArithI<0x11, "bsrli ", srl, uimm5, immZExt5>;
362 def BSRAI : ArithI<0x11, "bsrai ", sra, uimm5, immZExt5>;
363 def BSLLI : ArithI<0x11, "bslli ", shl, uimm5, immZExt5>;
366 let Predicates=[HasDiv] in {
367 def IDIV : Arith<0x12, 0x000, "idiv ", sdiv, IIAlu>;
368 def IDIVU : Arith<0x12, 0x002, "idivu ", udiv, IIAlu>;
371 //===----------------------------------------------------------------------===//
372 // MBlaze immediate mode arithmetic instructions
373 //===----------------------------------------------------------------------===//
375 let isAsCheapAsAMove = 1 in {
376 def ADDI : ArithI<0x08, "addi ", add, simm16, immSExt16>;
377 def ADDIC : ArithNI<0x0A, "addic ", simm16, immSExt16>;
378 def ADDIK : ArithNI<0x0C, "addik ", simm16, immSExt16>;
379 def ADDIKC : ArithI<0x0E, "addikc ", addc, simm16, immSExt16>;
380 def RSUBI : ArithRI<0x09, "rsubi ", sub, simm16, immSExt16>;
381 def RSUBIC : ArithRNI<0x0B, "rsubi ", simm16, immSExt16>;
382 def RSUBIK : ArithRNI<0x0E, "rsubic ", simm16, immSExt16>;
383 def RSUBIKC : ArithRI<0x0F, "rsubikc", subc, simm16, immSExt16>;
384 def ANDNI : ArithNI<0x2B, "andni ", uimm16, immZExt16>;
385 def ANDI : LogicI<0x29, "andi ", and>;
386 def ORI : LogicI<0x28, "ori ", or>;
387 def XORI : LogicI<0x2A, "xori ", xor>;
390 let Predicates=[HasMul] in {
391 def MULI : ArithI<0x18, "muli ", mul, simm16, immSExt16>;
394 //===----------------------------------------------------------------------===//
395 // MBlaze memory access instructions
396 //===----------------------------------------------------------------------===//
398 let canFoldAsLoad = 1, isReMaterializable = 1 in {
399 def LBU : LoadM<0x30, "lbu ", zextloadi8>;
400 def LHU : LoadM<0x31, "lhu ", zextloadi16>;
402 def LW : LoadW<0x32, 0x0, "lw ">;
403 def LWR : LoadW<0x32, 0x2, "lwr ">;
404 def LWX : LoadW<0x32, 0x4, "lwx ">;
406 def LBUI : LoadMI<0x38, "lbui ", zextloadi8>;
407 def LHUI : LoadMI<0x39, "lhui ", zextloadi16>;
408 def LWI : LoadMI<0x3A, "lwi ", load>;
411 def SB : StoreM<0x34, "sb ", truncstorei8>;
412 def SH : StoreM<0x35, "sh ", truncstorei16>;
414 def SW : StoreW<0x36, 0x0, "sw ">;
415 def SWR : StoreW<0x36, 0x2, "swr ">;
416 def SWX : StoreW<0x36, 0x4, "swx ">;
418 def SBI : StoreMI<0x3C, "sbi ", truncstorei8>;
419 def SHI : StoreMI<0x3D, "shi ", truncstorei16>;
420 def SWI : StoreMI<0x3E, "swi ", store>;
422 //===----------------------------------------------------------------------===//
423 // MBlaze branch instructions
424 //===----------------------------------------------------------------------===//
426 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
427 def BRI : BranchI<0x2E, 0x00, "bri ">;
428 def BRAI : BranchI<0x2E, 0x08, "brai ">;
431 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
432 def BEQI : BranchCI<0x2F, 0x00, "beqi ">;
433 def BNEI : BranchCI<0x2F, 0x01, "bnei ">;
434 def BLTI : BranchCI<0x2F, 0x02, "blti ">;
435 def BLEI : BranchCI<0x2F, 0x03, "blei ">;
436 def BGTI : BranchCI<0x2F, 0x04, "bgti ">;
437 def BGEI : BranchCI<0x2F, 0x05, "bgei ">;
440 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1,
442 def BR : Branch<0x26, 0x00, 0x000, "br ">;
443 def BRA : Branch<0x26, 0x08, 0x000, "bra ">;
446 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
447 def BEQ : BranchC<0x27, 0x00, 0x000, "beq ">;
448 def BNE : BranchC<0x27, 0x01, 0x000, "bne ">;
449 def BLT : BranchC<0x27, 0x02, 0x000, "blt ">;
450 def BLE : BranchC<0x27, 0x03, 0x000, "ble ">;
451 def BGT : BranchC<0x27, 0x04, 0x000, "bgt ">;
452 def BGE : BranchC<0x27, 0x05, 0x000, "bge ">;
455 let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1,
457 def BRID : BranchI<0x2E, 0x10, "brid ">;
458 def BRAID : BranchI<0x2E, 0x18, "braid ">;
461 let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1 in {
462 def BEQID : BranchCI<0x2F, 0x10, "beqid ">;
463 def BNEID : BranchCI<0x2F, 0x11, "bneid ">;
464 def BLTID : BranchCI<0x2F, 0x12, "bltid ">;
465 def BLEID : BranchCI<0x2F, 0x13, "bleid ">;
466 def BGTID : BranchCI<0x2F, 0x14, "bgtid ">;
467 def BGEID : BranchCI<0x2F, 0x15, "bgeid ">;
470 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
471 hasDelaySlot = 1, hasCtrlDep = 1, isBarrier = 1 in {
472 def BRD : Branch<0x26, 0x10, 0x000, "brd ">;
473 def BRAD : Branch<0x26, 0x18, 0x000, "brad ">;
476 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
477 hasDelaySlot = 1, hasCtrlDep = 1 in {
478 def BEQD : BranchC<0x27, 0x10, 0x000, "beqd ">;
479 def BNED : BranchC<0x27, 0x11, 0x000, "bned ">;
480 def BLTD : BranchC<0x27, 0x12, 0x000, "bltd ">;
481 def BLED : BranchC<0x27, 0x13, 0x000, "bled ">;
482 def BGTD : BranchC<0x27, 0x14, 0x000, "bgtd ">;
483 def BGED : BranchC<0x27, 0x15, 0x000, "bged ">;
486 let isCall = 1, hasDelaySlot = 1, hasCtrlDep = 1, isBarrier = 1,
487 Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12],
488 Uses = [R1,R5,R6,R7,R8,R9,R10] in {
489 def BRLID : BranchLI<0x2E, 0x14, "brlid ">;
490 def BRALID : BranchLI<0x2E, 0x1C, "bralid ">;
493 let isCall = 1, hasDelaySlot = 1, hasCtrlDep = 1, isIndirectBranch = 1,
495 Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12],
496 Uses = [R1,R5,R6,R7,R8,R9,R10] in {
497 def BRLD : BranchL<0x26, 0x14, 0x000, "brld ">;
498 def BRALD : BranchL<0x26, 0x1C, 0x000, "brald ">;
501 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
502 hasCtrlDep=1, rd=0x10, Form=FCRI in {
503 def RTSD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
504 "rtsd $target, $imm",
509 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
510 hasCtrlDep=1, rd=0x11, Form=FCRI in {
511 def RTID : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
512 "rtid $target, $imm",
517 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
518 hasCtrlDep=1, rd=0x12, Form=FCRI in {
519 def RTBD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
520 "rtbd $target, $imm",
525 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
526 hasCtrlDep=1, rd=0x14, Form=FCRI in {
527 def RTED : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
528 "rted $target, $imm",
533 //===----------------------------------------------------------------------===//
534 // MBlaze misc instructions
535 //===----------------------------------------------------------------------===//
537 let neverHasSideEffects = 1 in {
538 def NOP : MBlazeInst< 0x20, FC, (outs), (ins), "nop ", [], IIAlu>;
541 let usesCustomInserter = 1 in {
542 def Select_CC : MBlazePseudo<(outs GPR:$dst),
543 (ins GPR:$T, GPR:$F, GPR:$CMP, i32imm:$CC),
544 "; SELECT_CC PSEUDO!",
547 def ShiftL : MBlazePseudo<(outs GPR:$dst),
548 (ins GPR:$L, GPR:$R),
552 def ShiftRA : MBlazePseudo<(outs GPR:$dst),
553 (ins GPR:$L, GPR:$R),
557 def ShiftRL : MBlazePseudo<(outs GPR:$dst),
558 (ins GPR:$L, GPR:$R),
565 def SEXT16 : TA<0x24, 0x061, (outs GPR:$dst), (ins GPR:$src),
566 "sext16 $dst, $src", [], IIAlu>;
567 def SEXT8 : TA<0x24, 0x060, (outs GPR:$dst), (ins GPR:$src),
568 "sext8 $dst, $src", [], IIAlu>;
569 def SRL : TA<0x24, 0x041, (outs GPR:$dst), (ins GPR:$src),
570 "srl $dst, $src", [], IIAlu>;
571 def SRA : TA<0x24, 0x001, (outs GPR:$dst), (ins GPR:$src),
572 "sra $dst, $src", [], IIAlu>;
573 def SRC : TA<0x24, 0x021, (outs GPR:$dst), (ins GPR:$src),
574 "src $dst, $src", [], IIAlu>;
577 let opcode=0x08, isCodeGenOnly=1 in {
578 def LEA_ADDI : TB<0x08, (outs GPR:$dst), (ins memri:$addr),
579 "addi $dst, ${addr:stackloc}",
580 [(set GPR:$dst, iaddr:$addr)], IIAlu>;
583 //===----------------------------------------------------------------------===//
584 // Misc. instructions
585 //===----------------------------------------------------------------------===//
586 def MFS : MBlazeInst<0x25, FPseudo, (outs), (ins), "mfs", [], IIAlu> {
589 def MTS : MBlazeInst<0x25, FPseudo, (outs), (ins), "mts", [], IIAlu> {
592 def MSRSET : MBlazeInst<0x25, FPseudo, (outs), (ins), "msrset", [], IIAlu> {
595 def MSRCLR : MBlazeInst<0x25, FPseudo, (outs), (ins), "msrclr", [], IIAlu> {
598 let rd=0x0, Form=FCRR in {
599 def WDC : TA<0x24, 0x64, (outs), (ins GPR:$a, GPR:$b),
600 "wdc $a, $b", [], IIAlu>;
601 def WDCF : TA<0x24, 0x74, (outs), (ins GPR:$a, GPR:$b),
602 "wdc.flush $a, $b", [], IIAlu>;
603 def WDCC : TA<0x24, 0x66, (outs), (ins GPR:$a, GPR:$b),
604 "wdc.clear $a, $b", [], IIAlu>;
605 def WIC : TA<0x24, 0x68, (outs), (ins GPR:$a, GPR:$b),
606 "wic $a, $b", [], IIAlu>;
609 def BRK : Branch<0x26, 0x0C, 0x000, "brk ">;
610 def BRKI : BranchI<0x2E, 0x0C, "brki ">;
612 def IMM : MBlazeInst<0x2C, FCCI, (outs), (ins simm16:$imm),
613 "imm $imm", [], IIAlu>;
615 //===----------------------------------------------------------------------===//
616 // Arbitrary patterns that map to one or more instructions
617 //===----------------------------------------------------------------------===//
620 def : Pat<(i32 0), (ADD (i32 R0), (i32 R0))>;
621 def : Pat<(i32 immSExt16:$imm), (ADDI (i32 R0), imm:$imm)>;
622 def : Pat<(i32 immZExt16:$imm), (ORI (i32 R0), imm:$imm)>;
624 // Arbitrary immediates
625 def : Pat<(i32 imm:$imm), (ADDI (i32 R0), imm:$imm)>;
627 // In register sign extension
628 def : Pat<(sext_inreg GPR:$src, i16), (SEXT16 GPR:$src)>;
629 def : Pat<(sext_inreg GPR:$src, i8), (SEXT8 GPR:$src)>;
632 def : Pat<(MBlazeJmpLink (i32 tglobaladdr:$dst)),
633 (BRLID (i32 R15), tglobaladdr:$dst)>;
635 def : Pat<(MBlazeJmpLink (i32 texternalsym:$dst)),
636 (BRLID (i32 R15), texternalsym:$dst)>;
638 def : Pat<(MBlazeJmpLink GPR:$dst),
639 (BRLD (i32 R15), GPR:$dst)>;
641 // Shift Instructions
642 def : Pat<(shl GPR:$L, GPR:$R), (ShiftL GPR:$L, GPR:$R)>;
643 def : Pat<(sra GPR:$L, GPR:$R), (ShiftRA GPR:$L, GPR:$R)>;
644 def : Pat<(srl GPR:$L, GPR:$R), (ShiftRL GPR:$L, GPR:$R)>;
647 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ),
648 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
649 (CMP GPR:$L, GPR:$R), 1)>;
650 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETNE),
651 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
652 (CMP GPR:$L, GPR:$R), 2)>;
653 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGT),
654 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
655 (CMP GPR:$L, GPR:$R), 3)>;
656 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLT),
657 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
658 (CMP GPR:$L, GPR:$R), 4)>;
659 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGE),
660 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
661 (CMP GPR:$L, GPR:$R), 5)>;
662 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLE),
663 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
664 (CMP GPR:$L, GPR:$R), 6)>;
665 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT),
666 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
667 (CMPU GPR:$L, GPR:$R), 3)>;
668 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULT),
669 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
670 (CMPU GPR:$L, GPR:$R), 4)>;
671 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE),
672 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
673 (CMPU GPR:$L, GPR:$R), 5)>;
674 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULE),
675 (Select_CC (ADDI (i32 R0), 1), (ADDI (i32 R0), 0),
676 (CMPU GPR:$L, GPR:$R), 6)>;
679 def : Pat<(select (i32 GPR:$C), (i32 GPR:$T), (i32 GPR:$F)),
680 (Select_CC GPR:$T, GPR:$F, GPR:$C, 2)>;
683 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
684 (i32 GPR:$T), (i32 GPR:$F), SETEQ),
685 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 1)>;
686 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
687 (i32 GPR:$T), (i32 GPR:$F), SETNE),
688 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 2)>;
689 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
690 (i32 GPR:$T), (i32 GPR:$F), SETGT),
691 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 3)>;
692 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
693 (i32 GPR:$T), (i32 GPR:$F), SETLT),
694 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 4)>;
695 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
696 (i32 GPR:$T), (i32 GPR:$F), SETGE),
697 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 5)>;
698 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
699 (i32 GPR:$T), (i32 GPR:$F), SETLE),
700 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$L, GPR:$R), 6)>;
701 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
702 (i32 GPR:$T), (i32 GPR:$F), SETUGT),
703 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 3)>;
704 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
705 (i32 GPR:$T), (i32 GPR:$F), SETULT),
706 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 4)>;
707 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
708 (i32 GPR:$T), (i32 GPR:$F), SETUGE),
709 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 5)>;
710 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
711 (i32 GPR:$T), (i32 GPR:$F), SETULE),
712 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$L, GPR:$R), 6)>;
715 def : Pat<(MBlazeRet GPR:$target), (RTSD GPR:$target, 0x8)>;
718 def : Pat<(br bb:$T), (BRID bb:$T)>;
719 def : Pat<(brind GPR:$T), (BRD GPR:$T)>;
721 // BRCOND instructions
722 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ), bb:$T),
723 (BEQID (CMP GPR:$R, GPR:$L), bb:$T)>;
724 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETNE), bb:$T),
725 (BNEID (CMP GPR:$R, GPR:$L), bb:$T)>;
726 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGT), bb:$T),
727 (BGTID (CMP GPR:$R, GPR:$L), bb:$T)>;
728 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLT), bb:$T),
729 (BLTID (CMP GPR:$R, GPR:$L), bb:$T)>;
730 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGE), bb:$T),
731 (BGEID (CMP GPR:$R, GPR:$L), bb:$T)>;
732 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLE), bb:$T),
733 (BLEID (CMP GPR:$R, GPR:$L), bb:$T)>;
734 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT), bb:$T),
735 (BGTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
736 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULT), bb:$T),
737 (BLTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
738 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE), bb:$T),
739 (BGEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
740 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULE), bb:$T),
741 (BLEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
742 def : Pat<(brcond (i32 GPR:$C), bb:$T),
743 (BNEID GPR:$C, bb:$T)>;
745 // Jump tables, global addresses, and constant pools
746 def : Pat<(MBWrapper tglobaladdr:$in), (ORI (i32 R0), tglobaladdr:$in)>;
747 def : Pat<(MBWrapper tjumptable:$in), (ORI (i32 R0), tjumptable:$in)>;
748 def : Pat<(MBWrapper tconstpool:$in), (ORI (i32 R0), tconstpool:$in)>;
751 def : Pat<(and (i32 GPR:$lh), (not (i32 GPR:$rh))),(ANDN GPR:$lh, GPR:$rh)>;
753 // Arithmetic with immediates
754 def : Pat<(add (i32 GPR:$in), imm:$imm),(ADDI GPR:$in, imm:$imm)>;
755 def : Pat<(or (i32 GPR:$in), imm:$imm),(ORI GPR:$in, imm:$imm)>;
756 def : Pat<(xor (i32 GPR:$in), imm:$imm),(XORI GPR:$in, imm:$imm)>;
758 // Convert any extend loads into zero extend loads
759 def : Pat<(extloadi8 iaddr:$src), (i32 (LBUI iaddr:$src))>;
760 def : Pat<(extloadi16 iaddr:$src), (i32 (LHUI iaddr:$src))>;
761 def : Pat<(extloadi8 xaddr:$src), (i32 (LBU xaddr:$src))>;
762 def : Pat<(extloadi16 xaddr:$src), (i32 (LHU xaddr:$src))>;
764 // 32-bit load and store
765 def : Pat<(store (i32 GPR:$dst), xaddr:$addr), (SW GPR:$dst, xaddr:$addr)>;
766 def : Pat<(load xaddr:$addr), (i32 (LW xaddr:$addr))>;
769 def : Pat<(store (i32 0), iaddr:$dst), (SWI (i32 R0), iaddr:$dst)>;
771 //===----------------------------------------------------------------------===//
772 // Floating Point Support
773 //===----------------------------------------------------------------------===//
774 include "MBlazeInstrFSL.td"
775 include "MBlazeInstrFPU.td"