1 //===- MipsInstrInfo.td - Target Description for Mips Target -*- 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 // This file contains the Mips implementation of the TargetInstrInfo class.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // Instruction format superclass
16 //===----------------------------------------------------------------------===//
18 include "MipsInstrFormats.td"
20 //===----------------------------------------------------------------------===//
21 // Mips profiles and nodes
22 //===----------------------------------------------------------------------===//
24 def SDT_MipsRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
25 def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
26 def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
30 def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
31 def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
32 def SDT_MipsMAddMSub : SDTypeProfile<0, 4,
33 [SDTCisVT<0, i32>, SDTCisSameAs<0, 1>,
36 def SDT_MipsDivRem : SDTypeProfile<0, 2,
40 def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
42 def SDT_MipsDynAlloc : SDTypeProfile<1, 1, [SDTCisVT<0, i32>,
44 def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
47 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
48 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
51 // Hi and Lo nodes are used to handle global addresses. Used on
52 // MipsISelLowering to lower stuff like GlobalAddress, ExternalSymbol
53 // static model. (nothing to do with Mips Registers Hi and Lo)
54 def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp>;
55 def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
56 def MipsGPRel : SDNode<"MipsISD::GPRel", SDTIntUnaryOp>;
58 // TlsGd node is used to handle General Dynamic TLS
59 def MipsTlsGd : SDNode<"MipsISD::TlsGd", SDTIntUnaryOp>;
61 // TprelHi and TprelLo nodes are used to handle Local Exec TLS
62 def MipsTprelHi : SDNode<"MipsISD::TprelHi", SDTIntUnaryOp>;
63 def MipsTprelLo : SDNode<"MipsISD::TprelLo", SDTIntUnaryOp>;
66 def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
69 def MipsRet : SDNode<"MipsISD::Ret", SDT_MipsRet, [SDNPHasChain,
72 // These are target-independent nodes, but have target-specific formats.
73 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
74 [SDNPHasChain, SDNPOutGlue]>;
75 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
76 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
79 def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub,
80 [SDNPOptInGlue, SDNPOutGlue]>;
81 def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub,
82 [SDNPOptInGlue, SDNPOutGlue]>;
83 def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub,
84 [SDNPOptInGlue, SDNPOutGlue]>;
85 def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub,
86 [SDNPOptInGlue, SDNPOutGlue]>;
89 def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsDivRem,
91 def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsDivRem,
94 // Target constant nodes that are not part of any isel patterns and remain
95 // unchanged can cause instructions with illegal operands to be emitted.
96 // Wrapper node patterns give the instruction selector a chance to replace
97 // target constant nodes that would otherwise remain unchanged with ADDiu
98 // nodes. Without these wrapper node patterns, the following conditional move
99 // instrucion is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
101 // movn %got(d)($gp), %got(c)($gp), $4
102 // This instruction is illegal since movn can take only register operands.
104 def MipsWrapperPIC : SDNode<"MipsISD::WrapperPIC", SDTIntUnaryOp>;
106 // Pointer to dynamically allocated stack area.
107 def MipsDynAlloc : SDNode<"MipsISD::DynAlloc", SDT_MipsDynAlloc,
108 [SDNPHasChain, SDNPInGlue]>;
110 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain]>;
112 //===----------------------------------------------------------------------===//
113 // Mips Instruction Predicate Definitions.
114 //===----------------------------------------------------------------------===//
115 def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">;
116 def HasBitCount : Predicate<"Subtarget.hasBitCount()">;
117 def HasSwap : Predicate<"Subtarget.hasSwap()">;
118 def HasCondMov : Predicate<"Subtarget.hasCondMov()">;
119 def IsMips32 : Predicate<"Subtarget.isMips32()">;
120 def IsMips32r2 : Predicate<"Subtarget.isMips32r2()">;
122 //===----------------------------------------------------------------------===//
123 // Mips Operand, Complex Patterns and Transformations Definitions.
124 //===----------------------------------------------------------------------===//
126 // Instruction operand types
127 def brtarget : Operand<OtherVT>;
128 def calltarget : Operand<i32>;
129 def simm16 : Operand<i32>;
130 def shamt : Operand<i32>;
133 def uimm16 : Operand<i32> {
134 let PrintMethod = "printUnsignedImm";
138 def mem : Operand<i32> {
139 let PrintMethod = "printMemOperand";
140 let MIOperandInfo = (ops CPURegs, simm16);
143 def mem_ea : Operand<i32> {
144 let PrintMethod = "printMemOperandEA";
145 let MIOperandInfo = (ops CPURegs, simm16);
148 // Transformation Function - get the lower 16 bits.
149 def LO16 : SDNodeXForm<imm, [{
150 return getI32Imm((unsigned)N->getZExtValue() & 0xFFFF);
153 // Transformation Function - get the higher 16 bits.
154 def HI16 : SDNodeXForm<imm, [{
155 return getI32Imm((unsigned)N->getZExtValue() >> 16);
158 // Node immediate fits as 16-bit sign extended on target immediate.
160 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
162 // Node immediate fits as 16-bit zero extended on target immediate.
163 // The LO16 param means that only the lower 16 bits of the node
164 // immediate are caught.
166 def immZExt16 : PatLeaf<(imm), [{
167 if (N->getValueType(0) == MVT::i32)
168 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
170 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
173 // shamt field must fit in 5 bits.
174 def immZExt5 : PatLeaf<(imm), [{
175 return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
178 // Mips Address Mode! SDNode frameindex could possibily be a match
179 // since load and store instructions from stack used it.
180 def addr : ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], []>;
182 //===----------------------------------------------------------------------===//
183 // Instructions specific format
184 //===----------------------------------------------------------------------===//
186 // Arithmetic 3 register operands
187 class ArithR<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
188 InstrItinClass itin, bit isComm = 0>:
189 FR<op, func, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
190 !strconcat(instr_asm, "\t$dst, $b, $c"),
191 [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], itin> {
192 let isCommutable = isComm;
195 class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm,
197 FR<op, func, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
198 !strconcat(instr_asm, "\t$dst, $b, $c"), [], IIAlu> {
199 let isCommutable = isComm;
202 // Arithmetic 2 register operands
203 class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
204 Operand Od, PatLeaf imm_type> :
205 FI<op, (outs CPURegs:$dst), (ins CPURegs:$b, Od:$c),
206 !strconcat(instr_asm, "\t$dst, $b, $c"),
207 [(set CPURegs:$dst, (OpNode CPURegs:$b, imm_type:$c))], IIAlu>;
209 class ArithOverflowI<bits<6> op, string instr_asm, SDNode OpNode,
210 Operand Od, PatLeaf imm_type> :
211 FI<op, (outs CPURegs:$dst), (ins CPURegs:$b, Od:$c),
212 !strconcat(instr_asm, "\t$dst, $b, $c"), [], IIAlu>;
214 // Arithmetic Multiply ADD/SUB
215 let rd = 0, shamt = 0, Defs = [HI, LO], Uses = [HI, LO] in
216 class MArithR<bits<6> func, string instr_asm, SDNode op, bit isComm = 0> :
217 FR<0x1c, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
218 !strconcat(instr_asm, "\t$rs, $rt"),
219 [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul> {
220 let isCommutable = isComm;
224 let isCommutable = 1 in
225 class LogicR<bits<6> func, string instr_asm, SDNode OpNode>:
226 FR<0x00, func, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
227 !strconcat(instr_asm, "\t$dst, $b, $c"),
228 [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], IIAlu>;
230 class LogicI<bits<6> op, string instr_asm, SDNode OpNode>:
231 FI<op, (outs CPURegs:$dst), (ins CPURegs:$b, uimm16:$c),
232 !strconcat(instr_asm, "\t$dst, $b, $c"),
233 [(set CPURegs:$dst, (OpNode CPURegs:$b, immZExt16:$c))], IIAlu>;
235 let isCommutable = 1 in
236 class LogicNOR<bits<6> op, bits<6> func, string instr_asm>:
237 FR<op, func, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
238 !strconcat(instr_asm, "\t$dst, $b, $c"),
239 [(set CPURegs:$dst, (not (or CPURegs:$b, CPURegs:$c)))], IIAlu>;
242 class LogicR_shift_rotate_imm<bits<6> func, bits<5> _rs, string instr_asm,
244 FR<0x00, func, (outs CPURegs:$dst), (ins CPURegs:$b, shamt:$c),
245 !strconcat(instr_asm, "\t$dst, $b, $c"),
246 [(set CPURegs:$dst, (OpNode CPURegs:$b, immZExt5:$c))], IIAlu> {
250 class LogicR_shift_rotate_reg<bits<6> func, bits<5> _shamt, string instr_asm,
252 FR<0x00, func, (outs CPURegs:$dst), (ins CPURegs:$c, CPURegs:$b),
253 !strconcat(instr_asm, "\t$dst, $b, $c"),
254 [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], IIAlu> {
258 // Load Upper Imediate
259 class LoadUpper<bits<6> op, string instr_asm>:
263 !strconcat(instr_asm, "\t$dst, $imm"),
267 let canFoldAsLoad = 1, hasDelaySlot = 1 in
268 class LoadM<bits<6> op, string instr_asm, PatFrag OpNode>:
269 FI<op, (outs CPURegs:$dst), (ins mem:$addr),
270 !strconcat(instr_asm, "\t$dst, $addr"),
271 [(set CPURegs:$dst, (OpNode addr:$addr))], IILoad>;
273 class StoreM<bits<6> op, string instr_asm, PatFrag OpNode>:
274 FI<op, (outs), (ins CPURegs:$dst, mem:$addr),
275 !strconcat(instr_asm, "\t$dst, $addr"),
276 [(OpNode CPURegs:$dst, addr:$addr)], IIStore>;
278 // Conditional Branch
279 let isBranch = 1, isTerminator=1, hasDelaySlot = 1 in {
280 class CBranch<bits<6> op, string instr_asm, PatFrag cond_op>:
281 FI<op, (outs), (ins CPURegs:$a, CPURegs:$b, brtarget:$offset),
282 !strconcat(instr_asm, "\t$a, $b, $offset"),
283 [(brcond (cond_op CPURegs:$a, CPURegs:$b), bb:$offset)],
286 class CBranchZero<bits<6> op, string instr_asm, PatFrag cond_op>:
287 FI<op, (outs), (ins CPURegs:$src, brtarget:$offset),
288 !strconcat(instr_asm, "\t$src, $offset"),
289 [(brcond (cond_op CPURegs:$src, 0), bb:$offset)],
294 class SetCC_R<bits<6> op, bits<6> func, string instr_asm,
296 FR<op, func, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
297 !strconcat(instr_asm, "\t$dst, $b, $c"),
298 [(set CPURegs:$dst, (cond_op CPURegs:$b, CPURegs:$c))],
301 class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op,
302 Operand Od, PatLeaf imm_type>:
303 FI<op, (outs CPURegs:$dst), (ins CPURegs:$b, Od:$c),
304 !strconcat(instr_asm, "\t$dst, $b, $c"),
305 [(set CPURegs:$dst, (cond_op CPURegs:$b, imm_type:$c))],
308 // Unconditional branch
309 let isBranch=1, isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
310 class JumpFJ<bits<6> op, string instr_asm>:
311 FJ<op, (outs), (ins brtarget:$target),
312 !strconcat(instr_asm, "\t$target"), [(br bb:$target)], IIBranch>;
314 let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1 in
315 class JumpFR<bits<6> op, bits<6> func, string instr_asm>:
316 FR<op, func, (outs), (ins CPURegs:$target),
317 !strconcat(instr_asm, "\t$target"), [(brind CPURegs:$target)], IIBranch>;
319 // Jump and Link (Call)
320 let isCall=1, hasDelaySlot=1,
321 // All calls clobber the non-callee saved registers...
322 Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,
323 K0, K1, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9], Uses = [GP] in {
324 class JumpLink<bits<6> op, string instr_asm>:
325 FJ<op, (outs), (ins calltarget:$target, variable_ops),
326 !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
330 class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm>:
331 FR<op, func, (outs), (ins CPURegs:$rs, variable_ops),
332 !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink CPURegs:$rs)], IIBranch>;
334 class BranchLink<string instr_asm>:
335 FI<0x1, (outs), (ins CPURegs:$rs, brtarget:$target, variable_ops),
336 !strconcat(instr_asm, "\t$rs, $target"), [], IIBranch>;
340 let Defs = [HI, LO] in {
341 let isCommutable = 1 in
342 class Mul<bits<6> func, string instr_asm, InstrItinClass itin>:
343 FR<0x00, func, (outs), (ins CPURegs:$a, CPURegs:$b),
344 !strconcat(instr_asm, "\t$a, $b"), [], itin>;
346 class Div<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
347 FR<0x00, func, (outs), (ins CPURegs:$a, CPURegs:$b),
348 !strconcat(instr_asm, "\t$$zero, $a, $b"),
349 [(op CPURegs:$a, CPURegs:$b)], itin>;
353 class MoveFromLOHI<bits<6> func, string instr_asm>:
354 FR<0x00, func, (outs CPURegs:$dst), (ins),
355 !strconcat(instr_asm, "\t$dst"), [], IIHiLo>;
357 class MoveToLOHI<bits<6> func, string instr_asm>:
358 FR<0x00, func, (outs), (ins CPURegs:$src),
359 !strconcat(instr_asm, "\t$src"), [], IIHiLo>;
361 class EffectiveAddress<string instr_asm> :
362 FI<0x09, (outs CPURegs:$dst), (ins mem_ea:$addr),
363 instr_asm, [(set CPURegs:$dst, addr:$addr)], IIAlu>;
365 // Count Leading Ones/Zeros in Word
366 class CountLeading<bits<6> func, string instr_asm, list<dag> pattern>:
367 FR<0x1c, func, (outs CPURegs:$dst), (ins CPURegs:$src),
368 !strconcat(instr_asm, "\t$dst, $src"), pattern, IIAlu>,
369 Requires<[HasBitCount]> {
374 // Sign Extend in Register.
375 class SignExtInReg<bits<6> func, string instr_asm, ValueType vt>:
376 FR<0x3f, func, (outs CPURegs:$dst), (ins CPURegs:$src),
377 !strconcat(instr_asm, "\t$dst, $src"),
378 [(set CPURegs:$dst, (sext_inreg CPURegs:$src, vt))], NoItinerary>;
381 class ByteSwap<bits<6> func, string instr_asm>:
382 FR<0x1f, func, (outs CPURegs:$dst), (ins CPURegs:$src),
383 !strconcat(instr_asm, "\t$dst, $src"),
384 [(set CPURegs:$dst, (bswap CPURegs:$src))], NoItinerary>;
387 class CondMov<bits<6> func, string instr_asm, PatLeaf MovCode>:
388 FR<0x00, func, (outs CPURegs:$dst), (ins CPURegs:$F, CPURegs:$T,
389 CPURegs:$cond), !strconcat(instr_asm, "\t$dst, $T, $cond"),
393 class ReadHardware: FR<0x1f, 0x3b, (outs CPURegs:$dst), (ins HWRegs:$src),
394 "rdhwr\t$dst, $src", [], IIAlu> {
399 //===----------------------------------------------------------------------===//
400 // Pseudo instructions
401 //===----------------------------------------------------------------------===//
403 // As stack alignment is always done with addiu, we need a 16-bit immediate
404 let Defs = [SP], Uses = [SP] in {
405 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins uimm16:$amt),
406 "!ADJCALLSTACKDOWN $amt",
407 [(callseq_start timm:$amt)]>;
408 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins uimm16:$amt1, uimm16:$amt2),
409 "!ADJCALLSTACKUP $amt1",
410 [(callseq_end timm:$amt1, timm:$amt2)]>;
413 // Some assembly macros need to avoid pseudoinstructions and assembler
414 // automatic reodering, we should reorder ourselves.
415 def MACRO : MipsPseudo<(outs), (ins), ".set\tmacro", []>;
416 def REORDER : MipsPseudo<(outs), (ins), ".set\treorder", []>;
417 def NOMACRO : MipsPseudo<(outs), (ins), ".set\tnomacro", []>;
418 def NOREORDER : MipsPseudo<(outs), (ins), ".set\tnoreorder", []>;
420 // These macros are inserted to prevent GAS from complaining
421 // when using the AT register.
422 def NOAT : MipsPseudo<(outs), (ins), ".set\tnoat", []>;
423 def ATMACRO : MipsPseudo<(outs), (ins), ".set\tat", []>;
425 // When handling PIC code the assembler needs .cpload and .cprestore
426 // directives. If the real instructions corresponding these directives
427 // are used, we have the same behavior, but get also a bunch of warnings
428 // from the assembler.
429 def CPLOAD : MipsPseudo<(outs), (ins CPURegs:$picreg), ".cpload\t$picreg", []>;
430 def CPRESTORE : MipsPseudo<(outs), (ins i32imm:$loc), ".cprestore\t$loc", []>;
432 let usesCustomInserter = 1 in {
433 def ATOMIC_LOAD_ADD_I8 : MipsPseudo<
434 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
435 "atomic_load_add_8\t$dst, $ptr, $incr",
436 [(set CPURegs:$dst, (atomic_load_add_8 CPURegs:$ptr, CPURegs:$incr))]>;
437 def ATOMIC_LOAD_ADD_I16 : MipsPseudo<
438 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
439 "atomic_load_add_16\t$dst, $ptr, $incr",
440 [(set CPURegs:$dst, (atomic_load_add_16 CPURegs:$ptr, CPURegs:$incr))]>;
441 def ATOMIC_LOAD_ADD_I32 : MipsPseudo<
442 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
443 "atomic_load_add_32\t$dst, $ptr, $incr",
444 [(set CPURegs:$dst, (atomic_load_add_32 CPURegs:$ptr, CPURegs:$incr))]>;
446 def ATOMIC_LOAD_SUB_I8 : MipsPseudo<
447 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
448 "atomic_load_sub_8\t$dst, $ptr, $incr",
449 [(set CPURegs:$dst, (atomic_load_sub_8 CPURegs:$ptr, CPURegs:$incr))]>;
450 def ATOMIC_LOAD_SUB_I16 : MipsPseudo<
451 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
452 "atomic_load_sub_16\t$dst, $ptr, $incr",
453 [(set CPURegs:$dst, (atomic_load_sub_16 CPURegs:$ptr, CPURegs:$incr))]>;
454 def ATOMIC_LOAD_SUB_I32 : MipsPseudo<
455 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
456 "atomic_load_sub_32\t$dst, $ptr, $incr",
457 [(set CPURegs:$dst, (atomic_load_sub_32 CPURegs:$ptr, CPURegs:$incr))]>;
459 def ATOMIC_LOAD_AND_I8 : MipsPseudo<
460 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
461 "atomic_load_and_8\t$dst, $ptr, $incr",
462 [(set CPURegs:$dst, (atomic_load_and_8 CPURegs:$ptr, CPURegs:$incr))]>;
463 def ATOMIC_LOAD_AND_I16 : MipsPseudo<
464 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
465 "atomic_load_and_16\t$dst, $ptr, $incr",
466 [(set CPURegs:$dst, (atomic_load_and_16 CPURegs:$ptr, CPURegs:$incr))]>;
467 def ATOMIC_LOAD_AND_I32 : MipsPseudo<
468 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
469 "atomic_load_and_32\t$dst, $ptr, $incr",
470 [(set CPURegs:$dst, (atomic_load_and_32 CPURegs:$ptr, CPURegs:$incr))]>;
472 def ATOMIC_LOAD_OR_I8 : MipsPseudo<
473 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
474 "atomic_load_or_8\t$dst, $ptr, $incr",
475 [(set CPURegs:$dst, (atomic_load_or_8 CPURegs:$ptr, CPURegs:$incr))]>;
476 def ATOMIC_LOAD_OR_I16 : MipsPseudo<
477 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
478 "atomic_load_or_16\t$dst, $ptr, $incr",
479 [(set CPURegs:$dst, (atomic_load_or_16 CPURegs:$ptr, CPURegs:$incr))]>;
480 def ATOMIC_LOAD_OR_I32 : MipsPseudo<
481 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
482 "atomic_load_or_32\t$dst, $ptr, $incr",
483 [(set CPURegs:$dst, (atomic_load_or_32 CPURegs:$ptr, CPURegs:$incr))]>;
485 def ATOMIC_LOAD_XOR_I8 : MipsPseudo<
486 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
487 "atomic_load_xor_8\t$dst, $ptr, $incr",
488 [(set CPURegs:$dst, (atomic_load_xor_8 CPURegs:$ptr, CPURegs:$incr))]>;
489 def ATOMIC_LOAD_XOR_I16 : MipsPseudo<
490 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
491 "atomic_load_xor_16\t$dst, $ptr, $incr",
492 [(set CPURegs:$dst, (atomic_load_xor_16 CPURegs:$ptr, CPURegs:$incr))]>;
493 def ATOMIC_LOAD_XOR_I32 : MipsPseudo<
494 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
495 "atomic_load_xor_32\t$dst, $ptr, $incr",
496 [(set CPURegs:$dst, (atomic_load_xor_32 CPURegs:$ptr, CPURegs:$incr))]>;
498 def ATOMIC_LOAD_NAND_I8 : MipsPseudo<
499 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
500 "atomic_load_nand_8\t$dst, $ptr, $incr",
501 [(set CPURegs:$dst, (atomic_load_nand_8 CPURegs:$ptr, CPURegs:$incr))]>;
502 def ATOMIC_LOAD_NAND_I16 : MipsPseudo<
503 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
504 "atomic_load_nand_16\t$dst, $ptr, $incr",
505 [(set CPURegs:$dst, (atomic_load_nand_16 CPURegs:$ptr, CPURegs:$incr))]>;
506 def ATOMIC_LOAD_NAND_I32 : MipsPseudo<
507 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
508 "atomic_load_nand_32\t$dst, $ptr, $incr",
509 [(set CPURegs:$dst, (atomic_load_nand_32 CPURegs:$ptr, CPURegs:$incr))]>;
511 def ATOMIC_SWAP_I8 : MipsPseudo<
512 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$val),
513 "atomic_swap_8\t$dst, $ptr, $val",
514 [(set CPURegs:$dst, (atomic_swap_8 CPURegs:$ptr, CPURegs:$val))]>;
515 def ATOMIC_SWAP_I16 : MipsPseudo<
516 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$val),
517 "atomic_swap_16\t$dst, $ptr, $val",
518 [(set CPURegs:$dst, (atomic_swap_16 CPURegs:$ptr, CPURegs:$val))]>;
519 def ATOMIC_SWAP_I32 : MipsPseudo<
520 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$val),
521 "atomic_swap_32\t$dst, $ptr, $val",
522 [(set CPURegs:$dst, (atomic_swap_32 CPURegs:$ptr, CPURegs:$val))]>;
524 def ATOMIC_CMP_SWAP_I8 : MipsPseudo<
525 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$oldval, CPURegs:$newval),
526 "atomic_cmp_swap_8\t$dst, $ptr, $oldval, $newval",
528 (atomic_cmp_swap_8 CPURegs:$ptr, CPURegs:$oldval, CPURegs:$newval))]>;
529 def ATOMIC_CMP_SWAP_I16 : MipsPseudo<
530 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$oldval, CPURegs:$newval),
531 "atomic_cmp_swap_16\t$dst, $ptr, $oldval, $newval",
533 (atomic_cmp_swap_16 CPURegs:$ptr, CPURegs:$oldval, CPURegs:$newval))]>;
534 def ATOMIC_CMP_SWAP_I32 : MipsPseudo<
535 (outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$oldval, CPURegs:$newval),
536 "atomic_cmp_swap_32\t$dst, $ptr, $oldval, $newval",
538 (atomic_cmp_swap_32 CPURegs:$ptr, CPURegs:$oldval, CPURegs:$newval))]>;
541 //===----------------------------------------------------------------------===//
542 // Instruction definition
543 //===----------------------------------------------------------------------===//
545 //===----------------------------------------------------------------------===//
546 // MipsI Instructions
547 //===----------------------------------------------------------------------===//
549 /// Arithmetic Instructions (ALU Immediate)
550 def ADDiu : ArithI<0x09, "addiu", add, simm16, immSExt16>;
551 def ADDi : ArithOverflowI<0x08, "addi", add, simm16, immSExt16>;
552 def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16>;
553 def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16>;
554 def ANDi : LogicI<0x0c, "andi", and>;
555 def ORi : LogicI<0x0d, "ori", or>;
556 def XORi : LogicI<0x0e, "xori", xor>;
557 def LUi : LoadUpper<0x0f, "lui">;
559 /// Arithmetic Instructions (3-Operand, R-Type)
560 def ADDu : ArithR<0x00, 0x21, "addu", add, IIAlu, 1>;
561 def SUBu : ArithR<0x00, 0x23, "subu", sub, IIAlu>;
562 def ADD : ArithOverflowR<0x00, 0x20, "add", 1>;
563 def SUB : ArithOverflowR<0x00, 0x22, "sub">;
564 def SLT : SetCC_R<0x00, 0x2a, "slt", setlt>;
565 def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult>;
566 def AND : LogicR<0x24, "and", and>;
567 def OR : LogicR<0x25, "or", or>;
568 def XOR : LogicR<0x26, "xor", xor>;
569 def NOR : LogicNOR<0x00, 0x27, "nor">;
571 /// Shift Instructions
572 def SLL : LogicR_shift_rotate_imm<0x00, 0x00, "sll", shl>;
573 def SRL : LogicR_shift_rotate_imm<0x02, 0x00, "srl", srl>;
574 def SRA : LogicR_shift_rotate_imm<0x03, 0x00, "sra", sra>;
575 def SLLV : LogicR_shift_rotate_reg<0x04, 0x00, "sllv", shl>;
576 def SRLV : LogicR_shift_rotate_reg<0x06, 0x00, "srlv", srl>;
577 def SRAV : LogicR_shift_rotate_reg<0x07, 0x00, "srav", sra>;
579 // Rotate Instructions
580 let Predicates = [IsMips32r2] in {
581 def ROTR : LogicR_shift_rotate_imm<0x02, 0x01, "rotr", rotr>;
582 def ROTRV : LogicR_shift_rotate_reg<0x06, 0x01, "rotrv", rotr>;
585 /// Load and Store Instructions
586 def LB : LoadM<0x20, "lb", sextloadi8>;
587 def LBu : LoadM<0x24, "lbu", zextloadi8>;
588 def LH : LoadM<0x21, "lh", sextloadi16>;
589 def LHu : LoadM<0x25, "lhu", zextloadi16>;
590 def LW : LoadM<0x23, "lw", load>;
591 def SB : StoreM<0x28, "sb", truncstorei8>;
592 def SH : StoreM<0x29, "sh", truncstorei16>;
593 def SW : StoreM<0x2b, "sw", store>;
595 let hasSideEffects = 1 in
596 def SYNC : MipsInst<(outs), (ins i32imm:$stype), "sync $stype",
597 [(MipsSync imm:$stype)], NoItinerary>
604 /// Load-linked, Store-conditional
605 let mayLoad = 1, hasDelaySlot = 1 in
606 def LL : FI<0x30, (outs CPURegs:$dst), (ins mem:$addr),
607 "ll\t$dst, $addr", [], IILoad>;
608 let mayStore = 1, Constraints = "$src = $dst" in
609 def SC : FI<0x38, (outs CPURegs:$dst), (ins CPURegs:$src, mem:$addr),
610 "sc\t$src, $addr", [], IIStore>;
612 /// Jump and Branch Instructions
613 def J : JumpFJ<0x02, "j">;
614 def JR : JumpFR<0x00, 0x08, "jr">;
615 def JAL : JumpLink<0x03, "jal">;
616 def JALR : JumpLinkReg<0x00, 0x09, "jalr">;
617 def BEQ : CBranch<0x04, "beq", seteq>;
618 def BNE : CBranch<0x05, "bne", setne>;
621 def BGEZ : CBranchZero<0x01, "bgez", setge>;
624 def BGTZ : CBranchZero<0x07, "bgtz", setgt>;
625 def BLEZ : CBranchZero<0x07, "blez", setle>;
626 def BLTZ : CBranchZero<0x01, "bltz", setlt>;
629 def BGEZAL : BranchLink<"bgezal">;
630 def BLTZAL : BranchLink<"bltzal">;
632 let isReturn=1, isTerminator=1, hasDelaySlot=1,
633 isBarrier=1, hasCtrlDep=1, rs=0, rt=0, shamt=0 in
634 def RET : FR <0x00, 0x02, (outs), (ins CPURegs:$target),
635 "jr\t$target", [(MipsRet CPURegs:$target)], IIBranch>;
637 /// Multiply and Divide Instructions.
638 def MULT : Mul<0x18, "mult", IIImul>;
639 def MULTu : Mul<0x19, "multu", IIImul>;
640 def SDIV : Div<MipsDivRem, 0x1a, "div", IIIdiv>;
641 def UDIV : Div<MipsDivRemU, 0x1b, "divu", IIIdiv>;
644 def MTHI : MoveToLOHI<0x11, "mthi">;
646 def MTLO : MoveToLOHI<0x13, "mtlo">;
649 def MFHI : MoveFromLOHI<0x10, "mfhi">;
651 def MFLO : MoveFromLOHI<0x12, "mflo">;
653 /// Sign Ext In Register Instructions.
654 let Predicates = [HasSEInReg] in {
655 let shamt = 0x10, rs = 0 in
656 def SEB : SignExtInReg<0x21, "seb", i8>;
658 let shamt = 0x18, rs = 0 in
659 def SEH : SignExtInReg<0x20, "seh", i16>;
663 def CLZ : CountLeading<0b100000, "clz",
664 [(set CPURegs:$dst, (ctlz CPURegs:$src))]>;
665 def CLO : CountLeading<0b100001, "clo",
666 [(set CPURegs:$dst, (ctlz (not CPURegs:$src)))]>;
669 let Predicates = [HasSwap] in {
670 let shamt = 0x3, rs = 0 in
671 def WSBW : ByteSwap<0x20, "wsbw">;
675 def MIPS_CMOV_ZERO : PatLeaf<(i32 0)>;
676 def MIPS_CMOV_NZERO : PatLeaf<(i32 1)>;
678 // Conditional moves:
679 // These instructions are expanded in
680 // MipsISelLowering::EmitInstrWithCustomInserter if target does not have
681 // conditional move instructions.
682 // flag:int, data:int
683 let usesCustomInserter = 1, shamt = 0, Constraints = "$F = $dst" in
684 class CondMovIntInt<bits<6> funct, string instr_asm> :
685 FR<0, funct, (outs CPURegs:$dst),
686 (ins CPURegs:$T, CPURegs:$cond, CPURegs:$F),
687 !strconcat(instr_asm, "\t$dst, $T, $cond"), [], NoItinerary>;
689 def MOVZ_I : CondMovIntInt<0x0a, "movz">;
690 def MOVN_I : CondMovIntInt<0x0b, "movn">;
694 def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
696 // FrameIndexes are legalized when they are operands from load/store
697 // instructions. The same not happens for stack address copies, so an
698 // add op with mem ComplexPattern is used and the stack address copy
699 // can be matched. It's similar to Sparc LEA_ADDRi
700 def LEA_ADDiu : EffectiveAddress<"addiu\t$dst, $addr">;
702 // DynAlloc node points to dynamically allocated stack space.
703 // $sp is added to the list of implicitly used registers to prevent dead code
704 // elimination from removing instructions that modify $sp.
706 def DynAlloc : EffectiveAddress<"addiu\t$dst, $addr">;
709 def MADD : MArithR<0, "madd", MipsMAdd, 1>;
710 def MADDU : MArithR<1, "maddu", MipsMAddu, 1>;
711 def MSUB : MArithR<4, "msub", MipsMSub>;
712 def MSUBU : MArithR<5, "msubu", MipsMSubu>;
714 // MUL is a assembly macro in the current used ISAs. In recent ISA's
715 // it is a real instruction.
716 def MUL : ArithR<0x1c, 0x02, "mul", mul, IIImul, 1>, Requires<[IsMips32]>;
718 def RDHWR : ReadHardware;
720 //===----------------------------------------------------------------------===//
721 // Arbitrary patterns that map to one or more instructions
722 //===----------------------------------------------------------------------===//
725 def : Pat<(i32 immSExt16:$in),
726 (ADDiu ZERO, imm:$in)>;
727 def : Pat<(i32 immZExt16:$in),
728 (ORi ZERO, imm:$in)>;
730 // Arbitrary immediates
731 def : Pat<(i32 imm:$imm),
732 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
735 def : Pat<(subc CPURegs:$lhs, CPURegs:$rhs),
736 (SUBu CPURegs:$lhs, CPURegs:$rhs)>;
737 def : Pat<(addc CPURegs:$lhs, CPURegs:$rhs),
738 (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
739 def : Pat<(addc CPURegs:$src, immSExt16:$imm),
740 (ADDiu CPURegs:$src, imm:$imm)>;
743 def : Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
744 (JAL tglobaladdr:$dst)>;
745 def : Pat<(MipsJmpLink (i32 texternalsym:$dst)),
746 (JAL texternalsym:$dst)>;
747 //def : Pat<(MipsJmpLink CPURegs:$dst),
748 // (JALR CPURegs:$dst)>;
751 def : Pat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
752 def : Pat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
753 def : Pat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
754 (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
755 def : Pat<(add CPURegs:$hi, (MipsLo tblockaddress:$lo)),
756 (ADDiu CPURegs:$hi, tblockaddress:$lo)>;
758 def : Pat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
759 def : Pat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
760 (ADDiu CPURegs:$hi, tjumptable:$lo)>;
762 def : Pat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
763 def : Pat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
764 (ADDiu CPURegs:$hi, tconstpool:$lo)>;
767 def : Pat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
768 (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
769 def : Pat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
770 (ADDiu CPURegs:$gp, tconstpool:$in)>;
773 def : Pat<(add CPURegs:$gp, (MipsTlsGd tglobaltlsaddr:$in)),
774 (ADDiu CPURegs:$gp, tglobaltlsaddr:$in)>;
777 def : Pat<(MipsTprelHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
778 def : Pat<(add CPURegs:$hi, (MipsTprelLo tglobaltlsaddr:$lo)),
779 (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
782 class WrapperPICPat<SDNode node>:
783 Pat<(MipsWrapperPIC node:$in),
784 (ADDiu GP, node:$in)>;
786 def : WrapperPICPat<tglobaladdr>;
787 def : WrapperPICPat<tconstpool>;
788 def : WrapperPICPat<texternalsym>;
789 def : WrapperPICPat<tblockaddress>;
790 def : WrapperPICPat<tjumptable>;
792 // Mips does not have "not", so we expand our way
793 def : Pat<(not CPURegs:$in),
794 (NOR CPURegs:$in, ZERO)>;
796 // extended load and stores
797 def : Pat<(extloadi1 addr:$src), (LBu addr:$src)>;
798 def : Pat<(extloadi8 addr:$src), (LBu addr:$src)>;
799 def : Pat<(extloadi16 addr:$src), (LHu addr:$src)>;
802 def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
805 def : Pat<(brcond (setne CPURegs:$lhs, 0), bb:$dst),
806 (BNE CPURegs:$lhs, ZERO, bb:$dst)>;
807 def : Pat<(brcond (seteq CPURegs:$lhs, 0), bb:$dst),
808 (BEQ CPURegs:$lhs, ZERO, bb:$dst)>;
810 def : Pat<(brcond (setge CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
811 (BEQ (SLT CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
812 def : Pat<(brcond (setuge CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
813 (BEQ (SLTu CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
814 def : Pat<(brcond (setge CPURegs:$lhs, immSExt16:$rhs), bb:$dst),
815 (BEQ (SLTi CPURegs:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
816 def : Pat<(brcond (setuge CPURegs:$lhs, immSExt16:$rhs), bb:$dst),
817 (BEQ (SLTiu CPURegs:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
819 def : Pat<(brcond (setle CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
820 (BEQ (SLT CPURegs:$rhs, CPURegs:$lhs), ZERO, bb:$dst)>;
821 def : Pat<(brcond (setule CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
822 (BEQ (SLTu CPURegs:$rhs, CPURegs:$lhs), ZERO, bb:$dst)>;
824 def : Pat<(brcond CPURegs:$cond, bb:$dst),
825 (BNE CPURegs:$cond, ZERO, bb:$dst)>;
828 multiclass MovzPats<RegisterClass RC, Instruction MOVZInst> {
829 def : Pat<(select (setge CPURegs:$lhs, CPURegs:$rhs), RC:$T, RC:$F),
830 (MOVZInst RC:$T, (SLT CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
831 def : Pat<(select (setuge CPURegs:$lhs, CPURegs:$rhs), RC:$T, RC:$F),
832 (MOVZInst RC:$T, (SLTu CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
833 def : Pat<(select (setge CPURegs:$lhs, immSExt16:$rhs), RC:$T, RC:$F),
834 (MOVZInst RC:$T, (SLTi CPURegs:$lhs, immSExt16:$rhs), RC:$F)>;
835 def : Pat<(select (setuge CPURegs:$lh, immSExt16:$rh), RC:$T, RC:$F),
836 (MOVZInst RC:$T, (SLTiu CPURegs:$lh, immSExt16:$rh), RC:$F)>;
837 def : Pat<(select (setle CPURegs:$lhs, CPURegs:$rhs), RC:$T, RC:$F),
838 (MOVZInst RC:$T, (SLT CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
839 def : Pat<(select (setule CPURegs:$lhs, CPURegs:$rhs), RC:$T, RC:$F),
840 (MOVZInst RC:$T, (SLTu CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
841 def : Pat<(select (seteq CPURegs:$lhs, CPURegs:$rhs), RC:$T, RC:$F),
842 (MOVZInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
843 def : Pat<(select (seteq CPURegs:$lhs, 0), RC:$T, RC:$F),
844 (MOVZInst RC:$T, CPURegs:$lhs, RC:$F)>;
847 multiclass MovnPats<RegisterClass RC, Instruction MOVNInst> {
848 def : Pat<(select (setne CPURegs:$lhs, CPURegs:$rhs), RC:$T, RC:$F),
849 (MOVNInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
850 def : Pat<(select CPURegs:$cond, RC:$T, RC:$F),
851 (MOVNInst RC:$T, CPURegs:$cond, RC:$F)>;
852 def : Pat<(select (setne CPURegs:$lhs, 0), RC:$T, RC:$F),
853 (MOVNInst RC:$T, CPURegs:$lhs, RC:$F)>;
856 defm : MovzPats<CPURegs, MOVZ_I>;
857 defm : MovnPats<CPURegs, MOVN_I>;
860 def : Pat<(seteq CPURegs:$lhs, CPURegs:$rhs),
861 (SLTu (XOR CPURegs:$lhs, CPURegs:$rhs), 1)>;
862 def : Pat<(setne CPURegs:$lhs, CPURegs:$rhs),
863 (SLTu ZERO, (XOR CPURegs:$lhs, CPURegs:$rhs))>;
865 def : Pat<(setle CPURegs:$lhs, CPURegs:$rhs),
866 (XORi (SLT CPURegs:$rhs, CPURegs:$lhs), 1)>;
867 def : Pat<(setule CPURegs:$lhs, CPURegs:$rhs),
868 (XORi (SLTu CPURegs:$rhs, CPURegs:$lhs), 1)>;
870 def : Pat<(setgt CPURegs:$lhs, CPURegs:$rhs),
871 (SLT CPURegs:$rhs, CPURegs:$lhs)>;
872 def : Pat<(setugt CPURegs:$lhs, CPURegs:$rhs),
873 (SLTu CPURegs:$rhs, CPURegs:$lhs)>;
875 def : Pat<(setge CPURegs:$lhs, CPURegs:$rhs),
876 (XORi (SLT CPURegs:$lhs, CPURegs:$rhs), 1)>;
877 def : Pat<(setuge CPURegs:$lhs, CPURegs:$rhs),
878 (XORi (SLTu CPURegs:$lhs, CPURegs:$rhs), 1)>;
880 def : Pat<(setge CPURegs:$lhs, immSExt16:$rhs),
881 (XORi (SLTi CPURegs:$lhs, immSExt16:$rhs), 1)>;
882 def : Pat<(setuge CPURegs:$lhs, immSExt16:$rhs),
883 (XORi (SLTiu CPURegs:$lhs, immSExt16:$rhs), 1)>;
885 // select MipsDynAlloc
886 def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
888 //===----------------------------------------------------------------------===//
889 // Floating Point Support
890 //===----------------------------------------------------------------------===//
892 include "MipsInstrFPU.td"