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_MBlazeIRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
22 def SDT_MBlazeJmpLink : SDTypeProfile<0, -1, [SDTCisVT<0, i32>]>;
23 def SDT_MBCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
24 def SDT_MBCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
26 //===----------------------------------------------------------------------===//
27 // MBlaze specific nodes
28 //===----------------------------------------------------------------------===//
30 def MBlazeRet : SDNode<"MBlazeISD::Ret", SDT_MBlazeRet,
31 [SDNPHasChain, SDNPOptInGlue]>;
32 def MBlazeIRet : SDNode<"MBlazeISD::IRet", SDT_MBlazeIRet,
33 [SDNPHasChain, SDNPOptInGlue]>;
35 def MBlazeJmpLink : SDNode<"MBlazeISD::JmpLink",SDT_MBlazeJmpLink,
36 [SDNPHasChain,SDNPOptInGlue,SDNPOutGlue,
39 def MBWrapper : SDNode<"MBlazeISD::Wrap", SDTIntUnaryOp>;
41 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MBCallSeqStart,
42 [SDNPHasChain, SDNPOutGlue]>;
44 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MBCallSeqEnd,
45 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
47 //===----------------------------------------------------------------------===//
48 // MBlaze Instruction Predicate Definitions.
49 //===----------------------------------------------------------------------===//
50 // def HasPipe3 : Predicate<"Subtarget.hasPipe3()">;
51 def HasBarrel : Predicate<"Subtarget.hasBarrel()">;
52 // def NoBarrel : Predicate<"!Subtarget.hasBarrel()">;
53 def HasDiv : Predicate<"Subtarget.hasDiv()">;
54 def HasMul : Predicate<"Subtarget.hasMul()">;
55 // def HasFSL : Predicate<"Subtarget.hasFSL()">;
56 // def HasEFSL : Predicate<"Subtarget.hasEFSL()">;
57 // def HasMSRSet : Predicate<"Subtarget.hasMSRSet()">;
58 // def HasException : Predicate<"Subtarget.hasException()">;
59 def HasPatCmp : Predicate<"Subtarget.hasPatCmp()">;
60 def HasFPU : Predicate<"Subtarget.hasFPU()">;
61 // def HasESR : Predicate<"Subtarget.hasESR()">;
62 // def HasPVR : Predicate<"Subtarget.hasPVR()">;
63 def HasMul64 : Predicate<"Subtarget.hasMul64()">;
64 def HasSqrt : Predicate<"Subtarget.hasSqrt()">;
65 // def HasMMU : Predicate<"Subtarget.hasMMU()">;
67 //===----------------------------------------------------------------------===//
68 // MBlaze Operand, Complex Patterns and Transformations Definitions.
69 //===----------------------------------------------------------------------===//
71 def MBlazeMemAsmOperand : AsmOperandClass {
73 let SuperClasses = [];
76 def MBlazeFslAsmOperand : AsmOperandClass {
78 let SuperClasses = [];
81 // Instruction operand types
82 def brtarget : Operand<OtherVT>;
83 def calltarget : Operand<i32>;
84 def simm16 : Operand<i32>;
85 def uimm5 : Operand<i32>;
86 def uimm15 : Operand<i32>;
87 def fimm : Operand<f32>;
90 def uimm16 : Operand<i32> {
91 let PrintMethod = "printUnsignedImm";
95 def fslimm : Operand<i32> {
96 let PrintMethod = "printFSLImm";
97 let ParserMatchClass = MBlazeFslAsmOperand;
101 def memri : Operand<i32> {
102 let PrintMethod = "printMemOperand";
103 let MIOperandInfo = (ops GPR, simm16);
104 let ParserMatchClass = MBlazeMemAsmOperand;
107 def memrr : Operand<i32> {
108 let PrintMethod = "printMemOperand";
109 let MIOperandInfo = (ops GPR, GPR);
110 let ParserMatchClass = MBlazeMemAsmOperand;
113 // Node immediate fits as 16-bit sign extended on target immediate.
114 def immSExt16 : PatLeaf<(imm), [{
115 return (N->getZExtValue() >> 16) == 0;
118 // Node immediate fits as 16-bit zero extended on target immediate.
119 // The LO16 param means that only the lower 16 bits of the node
120 // immediate are caught.
122 def immZExt16 : PatLeaf<(imm), [{
123 return (N->getZExtValue() >> 16) == 0;
126 // FSL immediate field must fit in 4 bits.
127 def immZExt4 : PatLeaf<(imm), [{
128 return N->getZExtValue() == ((N->getZExtValue()) & 0xf) ;
131 // shamt field must fit in 5 bits.
132 def immZExt5 : PatLeaf<(imm), [{
133 return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
136 // MBlaze Address Mode. SDNode frameindex could possibily be a match
137 // since load and store instructions from stack used it.
138 def iaddr : ComplexPattern<i32, 2, "SelectAddrRegImm", [frameindex], []>;
139 def xaddr : ComplexPattern<i32, 2, "SelectAddrRegReg", [], []>;
141 //===----------------------------------------------------------------------===//
142 // Pseudo instructions
143 //===----------------------------------------------------------------------===//
145 // As stack alignment is always done with addiu, we need a 16-bit immediate
146 let Defs = [R1], Uses = [R1] in {
147 def ADJCALLSTACKDOWN : MBlazePseudo<(outs), (ins simm16:$amt),
148 "#ADJCALLSTACKDOWN $amt",
149 [(callseq_start timm:$amt)]>;
150 def ADJCALLSTACKUP : MBlazePseudo<(outs),
151 (ins uimm16:$amt1, simm16:$amt2),
152 "#ADJCALLSTACKUP $amt1",
153 [(callseq_end timm:$amt1, timm:$amt2)]>;
156 //===----------------------------------------------------------------------===//
157 // Instructions specific format
158 //===----------------------------------------------------------------------===//
160 //===----------------------------------------------------------------------===//
161 // Arithmetic Instructions
162 //===----------------------------------------------------------------------===//
163 class Arith<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
164 InstrItinClass itin> :
165 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
166 !strconcat(instr_asm, " $dst, $b, $c"),
167 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
169 class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
170 Operand Od, PatLeaf imm_type> :
171 TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
172 !strconcat(instr_asm, " $dst, $b, $c"),
173 [(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIC_ALU>;
175 class ArithI32<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
176 TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
177 !strconcat(instr_asm, " $dst, $b, $c"),
180 class ShiftI<bits<6> op, bits<2> flags, string instr_asm, SDNode OpNode,
181 Operand Od, PatLeaf imm_type> :
182 SHT<op, flags, (outs GPR:$dst), (ins GPR:$b, Od:$c),
183 !strconcat(instr_asm, " $dst, $b, $c"),
184 [(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIC_SHT>;
186 class ArithR<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
187 InstrItinClass itin> :
188 TAR<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
189 !strconcat(instr_asm, " $dst, $c, $b"),
190 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
192 class ArithRI<bits<6> op, string instr_asm, SDNode OpNode,
193 Operand Od, PatLeaf imm_type> :
194 TBR<op, (outs GPR:$dst), (ins Od:$b, GPR:$c),
195 !strconcat(instr_asm, " $dst, $c, $b"),
196 [(set GPR:$dst, (OpNode imm_type:$b, GPR:$c))], IIC_ALU>;
198 class ArithN<bits<6> op, bits<11> flags, string instr_asm,
199 InstrItinClass itin> :
200 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
201 !strconcat(instr_asm, " $dst, $b, $c"),
204 class ArithNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
205 TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
206 !strconcat(instr_asm, " $dst, $b, $c"),
209 class ArithRN<bits<6> op, bits<11> flags, string instr_asm,
210 InstrItinClass itin> :
211 TAR<op, flags, (outs GPR:$dst), (ins GPR:$c, GPR:$b),
212 !strconcat(instr_asm, " $dst, $b, $c"),
215 class ArithRNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
216 TBR<op, (outs GPR:$dst), (ins Od:$c, GPR:$b),
217 !strconcat(instr_asm, " $dst, $b, $c"),
220 //===----------------------------------------------------------------------===//
221 // Misc Arithmetic Instructions
222 //===----------------------------------------------------------------------===//
224 class Logic<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode> :
225 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
226 !strconcat(instr_asm, " $dst, $b, $c"),
227 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], IIC_ALU>;
229 class LogicI<bits<6> op, string instr_asm, SDNode OpNode> :
230 TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
231 !strconcat(instr_asm, " $dst, $b, $c"),
232 [(set GPR:$dst, (OpNode GPR:$b, immZExt16:$c))],
235 class LogicI32<bits<6> op, string instr_asm> :
236 TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
237 !strconcat(instr_asm, " $dst, $b, $c"),
240 class PatCmp<bits<6> op, bits<11> flags, string instr_asm> :
241 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
242 !strconcat(instr_asm, " $dst, $b, $c"),
245 //===----------------------------------------------------------------------===//
246 // Memory Access Instructions
247 //===----------------------------------------------------------------------===//
248 class LoadM<bits<6> op, bits<11> flags, string instr_asm> :
249 TA<op, flags, (outs GPR:$dst), (ins memrr:$addr),
250 !strconcat(instr_asm, " $dst, $addr"),
253 class LoadMI<bits<6> op, string instr_asm, PatFrag OpNode> :
254 TB<op, (outs GPR:$dst), (ins memri:$addr),
255 !strconcat(instr_asm, " $dst, $addr"),
256 [(set (i32 GPR:$dst), (OpNode iaddr:$addr))], IIC_MEMl>;
258 class StoreM<bits<6> op, bits<11> flags, string instr_asm> :
259 TA<op, flags, (outs), (ins GPR:$dst, memrr:$addr),
260 !strconcat(instr_asm, " $dst, $addr"),
263 class StoreMI<bits<6> op, string instr_asm, PatFrag OpNode> :
264 TB<op, (outs), (ins GPR:$dst, memri:$addr),
265 !strconcat(instr_asm, " $dst, $addr"),
266 [(OpNode (i32 GPR:$dst), iaddr:$addr)], IIC_MEMs>;
268 //===----------------------------------------------------------------------===//
269 // Branch Instructions
270 //===----------------------------------------------------------------------===//
271 class Branch<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
272 TA<op, flags, (outs), (ins GPR:$target),
273 !strconcat(instr_asm, " $target"),
280 class BranchI<bits<6> op, bits<5> br, string instr_asm> :
281 TB<op, (outs), (ins brtarget:$target),
282 !strconcat(instr_asm, " $target"),
289 //===----------------------------------------------------------------------===//
290 // Branch and Link Instructions
291 //===----------------------------------------------------------------------===//
292 class BranchL<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
293 TA<op, flags, (outs), (ins GPR:$link, GPR:$target, variable_ops),
294 !strconcat(instr_asm, " $link, $target"),
300 class BranchLI<bits<6> op, bits<5> br, string instr_asm> :
301 TB<op, (outs), (ins GPR:$link, calltarget:$target, variable_ops),
302 !strconcat(instr_asm, " $link, $target"),
308 //===----------------------------------------------------------------------===//
309 // Conditional Branch Instructions
310 //===----------------------------------------------------------------------===//
311 class BranchC<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
312 TA<op, flags, (outs),
313 (ins GPR:$a, GPR:$b),
314 !strconcat(instr_asm, " $a, $b"),
320 class BranchCI<bits<6> op, bits<5> br, string instr_asm> :
321 TB<op, (outs), (ins GPR:$a, brtarget:$offset),
322 !strconcat(instr_asm, " $a, $offset"),
328 //===----------------------------------------------------------------------===//
329 // MBlaze arithmetic instructions
330 //===----------------------------------------------------------------------===//
332 let isCommutable = 1, isAsCheapAsAMove = 1 in {
333 def ADDK : Arith<0x04, 0x000, "addk ", add, IIC_ALU>;
334 def AND : Logic<0x21, 0x000, "and ", and>;
335 def OR : Logic<0x20, 0x000, "or ", or>;
336 def XOR : Logic<0x22, 0x000, "xor ", xor>;
338 let Predicates=[HasPatCmp] in {
339 def PCMPBF : PatCmp<0x20, 0x400, "pcmpbf ">;
340 def PCMPEQ : PatCmp<0x22, 0x400, "pcmpeq ">;
341 def PCMPNE : PatCmp<0x23, 0x400, "pcmpne ">;
344 let Defs = [CARRY] in {
345 def ADD : Arith<0x00, 0x000, "add ", addc, IIC_ALU>;
347 let Uses = [CARRY] in {
348 def ADDC : Arith<0x02, 0x000, "addc ", adde, IIC_ALU>;
352 let Uses = [CARRY] in {
353 def ADDKC : ArithN<0x06, 0x000, "addkc ", IIC_ALU>;
357 let isAsCheapAsAMove = 1 in {
358 def ANDN : ArithN<0x23, 0x000, "andn ", IIC_ALU>;
359 def CMP : ArithN<0x05, 0x001, "cmp ", IIC_ALU>;
360 def CMPU : ArithN<0x05, 0x003, "cmpu ", IIC_ALU>;
361 def RSUBK : ArithR<0x05, 0x000, "rsubk ", sub, IIC_ALU>;
363 let Defs = [CARRY] in {
364 def RSUB : ArithR<0x01, 0x000, "rsub ", subc, IIC_ALU>;
366 let Uses = [CARRY] in {
367 def RSUBC : ArithR<0x03, 0x000, "rsubc ", sube, IIC_ALU>;
371 let Uses = [CARRY] in {
372 def RSUBKC : ArithRN<0x07, 0x000, "rsubkc ", IIC_ALU>;
376 let isCommutable = 1, Predicates=[HasMul] in {
377 def MUL : Arith<0x10, 0x000, "mul ", mul, IIC_ALUm>;
380 let isCommutable = 1, Predicates=[HasMul,HasMul64] in {
381 def MULH : Arith<0x10, 0x001, "mulh ", mulhs, IIC_ALUm>;
382 def MULHU : Arith<0x10, 0x003, "mulhu ", mulhu, IIC_ALUm>;
385 let Predicates=[HasMul,HasMul64] in {
386 def MULHSU : ArithN<0x10, 0x002, "mulhsu ", IIC_ALUm>;
389 let Predicates=[HasBarrel] in {
390 def BSRL : Arith<0x11, 0x000, "bsrl ", srl, IIC_SHT>;
391 def BSRA : Arith<0x11, 0x200, "bsra ", sra, IIC_SHT>;
392 def BSLL : Arith<0x11, 0x400, "bsll ", shl, IIC_SHT>;
393 def BSRLI : ShiftI<0x19, 0x0, "bsrli ", srl, uimm5, immZExt5>;
394 def BSRAI : ShiftI<0x19, 0x1, "bsrai ", sra, uimm5, immZExt5>;
395 def BSLLI : ShiftI<0x19, 0x2, "bslli ", shl, uimm5, immZExt5>;
398 let Predicates=[HasDiv] in {
399 def IDIV : ArithR<0x12, 0x000, "idiv ", sdiv, IIC_ALUd>;
400 def IDIVU : ArithR<0x12, 0x002, "idivu ", udiv, IIC_ALUd>;
403 //===----------------------------------------------------------------------===//
404 // MBlaze immediate mode arithmetic instructions
405 //===----------------------------------------------------------------------===//
407 let isAsCheapAsAMove = 1 in {
408 def ADDIK : ArithI<0x0C, "addik ", add, simm16, immSExt16>;
409 def RSUBIK : ArithRI<0x0D, "rsubik ", sub, simm16, immSExt16>;
410 def ANDNI : ArithNI<0x2B, "andni ", uimm16, immZExt16>;
411 def ANDI : LogicI<0x29, "andi ", and>;
412 def ORI : LogicI<0x28, "ori ", or>;
413 def XORI : LogicI<0x2A, "xori ", xor>;
415 let Defs = [CARRY] in {
416 def ADDI : ArithI<0x08, "addi ", addc, simm16, immSExt16>;
417 def RSUBI : ArithRI<0x09, "rsubi ", subc, simm16, immSExt16>;
419 let Uses = [CARRY] in {
420 def ADDIC : ArithI<0x0A, "addic ", adde, simm16, immSExt16>;
421 def RSUBIC : ArithRI<0x0B, "rsubic ", sube, simm16, immSExt16>;
425 let Uses = [CARRY] in {
426 def ADDIKC : ArithNI<0x0E, "addikc ", simm16, immSExt16>;
427 def RSUBIKC : ArithRNI<0x0F, "rsubikc", simm16, immSExt16>;
431 let Predicates=[HasMul] in {
432 def MULI : ArithI<0x18, "muli ", mul, simm16, immSExt16>;
435 //===----------------------------------------------------------------------===//
436 // MBlaze memory access instructions
437 //===----------------------------------------------------------------------===//
439 let canFoldAsLoad = 1, isReMaterializable = 1 in {
440 def LBU : LoadM<0x30, 0x000, "lbu ">;
441 def LBUR : LoadM<0x30, 0x200, "lbur ">;
443 def LHU : LoadM<0x31, 0x000, "lhu ">;
444 def LHUR : LoadM<0x31, 0x200, "lhur ">;
446 def LW : LoadM<0x32, 0x000, "lw ">;
447 def LWR : LoadM<0x32, 0x200, "lwr ">;
449 let Defs = [CARRY] in {
450 def LWX : LoadM<0x32, 0x400, "lwx ">;
453 def LBUI : LoadMI<0x38, "lbui ", zextloadi8>;
454 def LHUI : LoadMI<0x39, "lhui ", zextloadi16>;
455 def LWI : LoadMI<0x3A, "lwi ", load>;
458 def SB : StoreM<0x34, 0x000, "sb ">;
459 def SBR : StoreM<0x34, 0x200, "sbr ">;
461 def SH : StoreM<0x35, 0x000, "sh ">;
462 def SHR : StoreM<0x35, 0x200, "shr ">;
464 def SW : StoreM<0x36, 0x000, "sw ">;
465 def SWR : StoreM<0x36, 0x200, "swr ">;
467 let Defs = [CARRY] in {
468 def SWX : StoreM<0x36, 0x400, "swx ">;
471 def SBI : StoreMI<0x3C, "sbi ", truncstorei8>;
472 def SHI : StoreMI<0x3D, "shi ", truncstorei16>;
473 def SWI : StoreMI<0x3E, "swi ", store>;
475 //===----------------------------------------------------------------------===//
476 // MBlaze branch instructions
477 //===----------------------------------------------------------------------===//
479 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
480 def BRI : BranchI<0x2E, 0x00, "bri ">;
481 def BRAI : BranchI<0x2E, 0x08, "brai ">;
484 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
485 def BEQI : BranchCI<0x2F, 0x00, "beqi ">;
486 def BNEI : BranchCI<0x2F, 0x01, "bnei ">;
487 def BLTI : BranchCI<0x2F, 0x02, "blti ">;
488 def BLEI : BranchCI<0x2F, 0x03, "blei ">;
489 def BGTI : BranchCI<0x2F, 0x04, "bgti ">;
490 def BGEI : BranchCI<0x2F, 0x05, "bgei ">;
493 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1,
495 def BR : Branch<0x26, 0x00, 0x000, "br ">;
496 def BRA : Branch<0x26, 0x08, 0x000, "bra ">;
499 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
500 def BEQ : BranchC<0x27, 0x00, 0x000, "beq ">;
501 def BNE : BranchC<0x27, 0x01, 0x000, "bne ">;
502 def BLT : BranchC<0x27, 0x02, 0x000, "blt ">;
503 def BLE : BranchC<0x27, 0x03, 0x000, "ble ">;
504 def BGT : BranchC<0x27, 0x04, 0x000, "bgt ">;
505 def BGE : BranchC<0x27, 0x05, 0x000, "bge ">;
508 let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1,
510 def BRID : BranchI<0x2E, 0x10, "brid ">;
511 def BRAID : BranchI<0x2E, 0x18, "braid ">;
514 let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1 in {
515 def BEQID : BranchCI<0x2F, 0x10, "beqid ">;
516 def BNEID : BranchCI<0x2F, 0x11, "bneid ">;
517 def BLTID : BranchCI<0x2F, 0x12, "bltid ">;
518 def BLEID : BranchCI<0x2F, 0x13, "bleid ">;
519 def BGTID : BranchCI<0x2F, 0x14, "bgtid ">;
520 def BGEID : BranchCI<0x2F, 0x15, "bgeid ">;
523 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
524 hasDelaySlot = 1, hasCtrlDep = 1, isBarrier = 1 in {
525 def BRD : Branch<0x26, 0x10, 0x000, "brd ">;
526 def BRAD : Branch<0x26, 0x18, 0x000, "brad ">;
529 let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
530 hasDelaySlot = 1, hasCtrlDep = 1 in {
531 def BEQD : BranchC<0x27, 0x10, 0x000, "beqd ">;
532 def BNED : BranchC<0x27, 0x11, 0x000, "bned ">;
533 def BLTD : BranchC<0x27, 0x12, 0x000, "bltd ">;
534 def BLED : BranchC<0x27, 0x13, 0x000, "bled ">;
535 def BGTD : BranchC<0x27, 0x14, 0x000, "bgtd ">;
536 def BGED : BranchC<0x27, 0x15, 0x000, "bged ">;
539 let isCall =1, hasDelaySlot = 1,
540 Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,CARRY],
542 def BRLID : BranchLI<0x2E, 0x14, "brlid ">;
543 def BRALID : BranchLI<0x2E, 0x1C, "bralid ">;
546 let isCall = 1, hasDelaySlot = 1,
547 Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,CARRY],
549 def BRLD : BranchL<0x26, 0x14, 0x000, "brld ">;
550 def BRALD : BranchL<0x26, 0x1C, 0x000, "brald ">;
553 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
554 rd=0x10, Form=FCRI in {
555 def RTSD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
556 "rtsd $target, $imm",
561 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
562 rd=0x11, Form=FCRI in {
563 def RTID : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
564 "rtid $target, $imm",
569 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
570 rd=0x12, Form=FCRI in {
571 def RTBD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
572 "rtbd $target, $imm",
577 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
578 rd=0x14, Form=FCRI in {
579 def RTED : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
580 "rted $target, $imm",
585 //===----------------------------------------------------------------------===//
586 // MBlaze misc instructions
587 //===----------------------------------------------------------------------===//
589 let neverHasSideEffects = 1 in {
590 def NOP : MBlazeInst< 0x20, FC, (outs), (ins), "nop ", [], IIC_ALU>;
593 let usesCustomInserter = 1 in {
594 def Select_CC : MBlazePseudo<(outs GPR:$dst),
595 (ins GPR:$T, GPR:$F, GPR:$CMP, i32imm:$CC), // F T reversed
596 "; SELECT_CC PSEUDO!",
599 def ShiftL : MBlazePseudo<(outs GPR:$dst),
600 (ins GPR:$L, GPR:$R),
604 def ShiftRA : MBlazePseudo<(outs GPR:$dst),
605 (ins GPR:$L, GPR:$R),
609 def ShiftRL : MBlazePseudo<(outs GPR:$dst),
610 (ins GPR:$L, GPR:$R),
616 def SEXT16 : TA<0x24, 0x061, (outs GPR:$dst), (ins GPR:$src),
617 "sext16 $dst, $src", [], IIC_ALU>;
618 def SEXT8 : TA<0x24, 0x060, (outs GPR:$dst), (ins GPR:$src),
619 "sext8 $dst, $src", [], IIC_ALU>;
620 let Defs = [CARRY] in {
621 def SRL : TA<0x24, 0x041, (outs GPR:$dst), (ins GPR:$src),
622 "srl $dst, $src", [], IIC_ALU>;
623 def SRA : TA<0x24, 0x001, (outs GPR:$dst), (ins GPR:$src),
624 "sra $dst, $src", [], IIC_ALU>;
625 let Uses = [CARRY] in {
626 def SRC : TA<0x24, 0x021, (outs GPR:$dst), (ins GPR:$src),
627 "src $dst, $src", [], IIC_ALU>;
632 let isCodeGenOnly=1 in {
633 def ADDIK32 : ArithI32<0x08, "addik ", simm16, immSExt16>;
634 def ORI32 : LogicI32<0x28, "ori ">;
635 def BRLID32 : BranchLI<0x2E, 0x14, "brlid ">;
638 //===----------------------------------------------------------------------===//
639 // Misc. instructions
640 //===----------------------------------------------------------------------===//
642 def MFS : SPC<0x25, 0x2, (outs GPR:$dst), (ins SPR:$src),
643 "mfs $dst, $src", [], IIC_ALU>;
647 def MTS : SPC<0x25, 0x3, (outs SPR:$dst), (ins GPR:$src),
648 "mts $dst, $src", [], IIC_ALU>;
651 def MSRSET : MSR<0x25, 0x20, (outs GPR:$dst), (ins uimm15:$set),
652 "msrset $dst, $set", [], IIC_ALU>;
654 def MSRCLR : MSR<0x25, 0x22, (outs GPR:$dst), (ins uimm15:$clr),
655 "msrclr $dst, $clr", [], IIC_ALU>;
657 let rd=0x0, Form=FCRR in {
658 def WDC : TA<0x24, 0x64, (outs), (ins GPR:$a, GPR:$b),
659 "wdc $a, $b", [], IIC_WDC>;
660 def WDCF : TA<0x24, 0x74, (outs), (ins GPR:$a, GPR:$b),
661 "wdc.flush $a, $b", [], IIC_WDC>;
662 def WDCC : TA<0x24, 0x66, (outs), (ins GPR:$a, GPR:$b),
663 "wdc.clear $a, $b", [], IIC_WDC>;
664 def WIC : TA<0x24, 0x68, (outs), (ins GPR:$a, GPR:$b),
665 "wic $a, $b", [], IIC_WDC>;
668 def BRK : BranchL<0x26, 0x0C, 0x000, "brk ">;
669 def BRKI : BranchLI<0x2E, 0x0C, "brki ">;
671 def IMM : MBlazeInst<0x2C, FCCI, (outs), (ins simm16:$imm),
672 "imm $imm", [], IIC_ALU>;
674 //===----------------------------------------------------------------------===//
675 // Pseudo instructions for atomic operations
676 //===----------------------------------------------------------------------===//
677 let usesCustomInserter=1 in {
678 def CAS32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$cmp, GPR:$swp),
679 "# atomic compare and swap",
680 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$cmp, GPR:$swp))]>;
682 def SWP32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$swp),
684 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$swp))]>;
686 def LAA32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
687 "# atomic load and add",
688 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$val))]>;
690 def LAS32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
691 "# atomic load and sub",
692 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$val))]>;
694 def LAD32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
695 "# atomic load and and",
696 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$val))]>;
698 def LAO32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
699 "# atomic load and or",
700 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$val))]>;
702 def LAX32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
703 "# atomic load and xor",
704 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$val))]>;
706 def LAN32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
707 "# atomic load and nand",
708 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$val))]>;
710 def MEMBARRIER : MBlazePseudo<(outs), (ins),
712 [(membarrier (i32 imm), (i32 imm), (i32 imm), (i32 imm), (i32 imm))]>;
715 //===----------------------------------------------------------------------===//
716 // Arbitrary patterns that map to one or more instructions
717 //===----------------------------------------------------------------------===//
720 def : Pat<(i32 0), (ADDK (i32 R0), (i32 R0))>;
721 def : Pat<(i32 immSExt16:$imm), (ADDIK (i32 R0), imm:$imm)>;
722 def : Pat<(i32 immZExt16:$imm), (ORI (i32 R0), imm:$imm)>;
724 // Arbitrary immediates
725 def : Pat<(i32 imm:$imm), (ADDIK (i32 R0), imm:$imm)>;
727 // In register sign extension
728 def : Pat<(sext_inreg GPR:$src, i16), (SEXT16 GPR:$src)>;
729 def : Pat<(sext_inreg GPR:$src, i8), (SEXT8 GPR:$src)>;
732 def : Pat<(MBlazeJmpLink (i32 tglobaladdr:$dst)),
733 (BRLID (i32 R15), tglobaladdr:$dst)>;
735 def : Pat<(MBlazeJmpLink (i32 texternalsym:$dst)),
736 (BRLID (i32 R15), texternalsym:$dst)>;
738 def : Pat<(MBlazeJmpLink GPR:$dst),
739 (BRALD (i32 R15), GPR:$dst)>;
741 // Shift Instructions
742 def : Pat<(shl GPR:$L, GPR:$R), (ShiftL GPR:$L, GPR:$R)>;
743 def : Pat<(sra GPR:$L, GPR:$R), (ShiftRA GPR:$L, GPR:$R)>;
744 def : Pat<(srl GPR:$L, GPR:$R), (ShiftRL GPR:$L, GPR:$R)>;
747 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ),
748 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
749 (CMP GPR:$R, GPR:$L), 1)>;
750 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETNE),
751 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
752 (CMP GPR:$R, GPR:$L), 2)>;
753 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGT),
754 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
755 (CMP GPR:$R, GPR:$L), 3)>;
756 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLT),
757 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
758 (CMP GPR:$R, GPR:$L), 4)>;
759 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGE),
760 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
761 (CMP GPR:$R, GPR:$L), 5)>;
762 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLE),
763 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
764 (CMP GPR:$R, GPR:$L), 6)>;
765 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT),
766 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
767 (CMPU GPR:$R, GPR:$L), 3)>;
768 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULT),
769 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
770 (CMPU GPR:$R, GPR:$L), 4)>;
771 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE),
772 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
773 (CMPU GPR:$R, GPR:$L), 5)>;
774 def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULE),
775 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
776 (CMPU GPR:$R, GPR:$L), 6)>;
779 def : Pat<(select (i32 GPR:$C), (i32 GPR:$T), (i32 GPR:$F)),
780 (Select_CC GPR:$T, GPR:$F, GPR:$C, 2)>;
783 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
784 (i32 GPR:$T), (i32 GPR:$F), SETEQ),
785 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 1)>;
786 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
787 (i32 GPR:$T), (i32 GPR:$F), SETNE),
788 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 2)>;
789 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
790 (i32 GPR:$T), (i32 GPR:$F), SETGT),
791 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 3)>;
792 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
793 (i32 GPR:$T), (i32 GPR:$F), SETLT),
794 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 4)>;
795 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
796 (i32 GPR:$T), (i32 GPR:$F), SETGE),
797 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 5)>;
798 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
799 (i32 GPR:$T), (i32 GPR:$F), SETLE),
800 (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 6)>;
801 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
802 (i32 GPR:$T), (i32 GPR:$F), SETUGT),
803 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 3)>;
804 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
805 (i32 GPR:$T), (i32 GPR:$F), SETULT),
806 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 4)>;
807 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
808 (i32 GPR:$T), (i32 GPR:$F), SETUGE),
809 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 5)>;
810 def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
811 (i32 GPR:$T), (i32 GPR:$F), SETULE),
812 (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 6)>;
815 def : Pat<(MBlazeRet GPR:$target), (RTSD GPR:$target, 0x8)>;
816 def : Pat<(MBlazeIRet GPR:$target), (RTID GPR:$target, 0x0)>;
819 def : Pat<(br bb:$T), (BRID bb:$T)>;
820 def : Pat<(brind GPR:$T), (BRAD GPR:$T)>;
822 // BRCOND instructions
823 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ), bb:$T),
824 (BEQID (CMP GPR:$R, GPR:$L), bb:$T)>;
825 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETNE), bb:$T),
826 (BNEID (CMP GPR:$R, GPR:$L), bb:$T)>;
827 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGT), bb:$T),
828 (BGTID (CMP GPR:$R, GPR:$L), bb:$T)>;
829 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLT), bb:$T),
830 (BLTID (CMP GPR:$R, GPR:$L), bb:$T)>;
831 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGE), bb:$T),
832 (BGEID (CMP GPR:$R, GPR:$L), bb:$T)>;
833 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLE), bb:$T),
834 (BLEID (CMP GPR:$R, GPR:$L), bb:$T)>;
835 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT), bb:$T),
836 (BGTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
837 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULT), bb:$T),
838 (BLTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
839 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE), bb:$T),
840 (BGEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
841 def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULE), bb:$T),
842 (BLEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
843 def : Pat<(brcond (i32 GPR:$C), bb:$T),
844 (BNEID GPR:$C, bb:$T)>;
846 // Jump tables, global addresses, and constant pools
847 def : Pat<(MBWrapper tglobaladdr:$in), (ORI (i32 R0), tglobaladdr:$in)>;
848 def : Pat<(MBWrapper tjumptable:$in), (ORI (i32 R0), tjumptable:$in)>;
849 def : Pat<(MBWrapper tconstpool:$in), (ORI (i32 R0), tconstpool:$in)>;
852 def : Pat<(and (i32 GPR:$lh), (not (i32 GPR:$rh))),(ANDN GPR:$lh, GPR:$rh)>;
854 // Convert any extend loads into zero extend loads
855 def : Pat<(extloadi8 iaddr:$src), (i32 (LBUI iaddr:$src))>;
856 def : Pat<(extloadi16 iaddr:$src), (i32 (LHUI iaddr:$src))>;
857 def : Pat<(extloadi8 xaddr:$src), (i32 (LBU xaddr:$src))>;
858 def : Pat<(extloadi16 xaddr:$src), (i32 (LHU xaddr:$src))>;
860 // 32-bit load and store
861 def : Pat<(store (i32 GPR:$dst), xaddr:$addr), (SW GPR:$dst, xaddr:$addr)>;
862 def : Pat<(load xaddr:$addr), (i32 (LW xaddr:$addr))>;
864 // 16-bit load and store
865 def : Pat<(truncstorei16 (i32 GPR:$dst), xaddr:$addr), (SH GPR:$dst, xaddr:$addr)>;
866 def : Pat<(zextloadi16 xaddr:$addr), (i32 (LHU xaddr:$addr))>;
868 // 8-bit load and store
869 def : Pat<(truncstorei8 (i32 GPR:$dst), xaddr:$addr), (SB GPR:$dst, xaddr:$addr)>;
870 def : Pat<(zextloadi8 xaddr:$addr), (i32 (LBU xaddr:$addr))>;
873 def : Pat<(store (i32 0), iaddr:$dst), (SWI (i32 R0), iaddr:$dst)>;
875 //===----------------------------------------------------------------------===//
876 // Floating Point Support
877 //===----------------------------------------------------------------------===//
878 include "MBlazeInstrFSL.td"
879 include "MBlazeInstrFPU.td"