1 //===- MipsInstrInfo.td - Mips Register 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 //===----------------------------------------------------------------------===//
14 include "MipsInstrFormats.td"
16 //===----------------------------------------------------------------------===//
17 // Mips profiles and nodes
18 //===----------------------------------------------------------------------===//
20 def SDT_MipsRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
21 def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
22 def SDT_MipsSelectCC : SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>,
23 SDTCisSameAs<2, 3>, SDTCisInt<1>]>;
24 def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
25 SDTCisSameAs<1, 2>, SDTCisSameAs<3, 4>,
27 def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
28 def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
31 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
32 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
35 // Hi and Lo nodes are used to handle global addresses. Used on
36 // MipsISelLowering to lower stuff like GlobalAddress, ExternalSymbol
37 // static model. (nothing to do with Mips Registers Hi and Lo)
38 def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp>;
39 def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
40 def MipsGPRel : SDNode<"MipsISD::GPRel", SDTIntUnaryOp>;
43 def MipsRet : SDNode<"MipsISD::Ret", SDT_MipsRet, [SDNPHasChain,
46 // These are target-independent nodes, but have target-specific formats.
47 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
48 [SDNPHasChain, SDNPOutFlag]>;
49 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
50 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
52 // Select Condition Code
53 def MipsSelectCC : SDNode<"MipsISD::SelectCC", SDT_MipsSelectCC>;
56 def MipsCMov : SDNode<"MipsISD::CMov", SDT_MipsCMov>;
58 //===----------------------------------------------------------------------===//
59 // Mips Instruction Predicate Definitions.
60 //===----------------------------------------------------------------------===//
61 def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">;
62 def HasBitCount : Predicate<"Subtarget.hasBitCount()">;
63 def HasSwap : Predicate<"Subtarget.hasSwap()">;
64 def HasCondMov : Predicate<"Subtarget.hasCondMov()">;
66 //===----------------------------------------------------------------------===//
67 // Mips Operand, Complex Patterns and Transformations Definitions.
68 //===----------------------------------------------------------------------===//
70 // Instruction operand types
71 def brtarget : Operand<OtherVT>;
72 def calltarget : Operand<i32>;
73 def simm16 : Operand<i32>;
74 def shamt : Operand<i32>;
77 def uimm16 : Operand<i32> {
78 let PrintMethod = "printUnsignedImm";
82 def mem : Operand<i32> {
83 let PrintMethod = "printMemOperand";
84 let MIOperandInfo = (ops simm16, CPURegs);
87 // Transformation Function - get the lower 16 bits.
88 def LO16 : SDNodeXForm<imm, [{
89 return getI32Imm((unsigned)N->getZExtValue() & 0xFFFF);
92 // Transformation Function - get the higher 16 bits.
93 def HI16 : SDNodeXForm<imm, [{
94 return getI32Imm((unsigned)N->getZExtValue() >> 16);
97 // Node immediate fits as 16-bit sign extended on target immediate.
99 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
101 // Node immediate fits as 16-bit zero extended on target immediate.
102 // The LO16 param means that only the lower 16 bits of the node
103 // immediate are caught.
105 def immZExt16 : PatLeaf<(imm), [{
106 if (N->getValueType(0) == MVT::i32)
107 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
109 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
112 // shamt field must fit in 5 bits.
113 def immZExt5 : PatLeaf<(imm), [{
114 return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
117 // Mips Address Mode! SDNode frameindex could possibily be a match
118 // since load and store instructions from stack used it.
119 def addr : ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], []>;
121 //===----------------------------------------------------------------------===//
122 // Instructions specific format
123 //===----------------------------------------------------------------------===//
125 // Arithmetic 3 register operands
126 let isCommutable = 1 in
127 class ArithR<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
128 InstrItinClass itin>:
132 (ins CPURegs:$b, CPURegs:$c),
133 !strconcat(instr_asm, "\t$dst, $b, $c"),
134 [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], itin>;
136 let isCommutable = 1 in
137 class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm>:
141 (ins CPURegs:$b, CPURegs:$c),
142 !strconcat(instr_asm, "\t$dst, $b, $c"),
145 // Arithmetic 2 register operands
146 class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
147 Operand Od, PatLeaf imm_type> :
150 (ins CPURegs:$b, Od:$c),
151 !strconcat(instr_asm, "\t$dst, $b, $c"),
152 [(set CPURegs:$dst, (OpNode CPURegs:$b, imm_type:$c))], IIAlu>;
154 class ArithOverflowI<bits<6> op, string instr_asm, SDNode OpNode,
155 Operand Od, PatLeaf imm_type> :
158 (ins CPURegs:$b, Od:$c),
159 !strconcat(instr_asm, "\t$dst, $b, $c"),
162 // Arithmetic Multiply ADD/SUB
164 class MArithR<bits<6> func, string instr_asm> :
169 !strconcat(instr_asm, "\t$rs, $rt"),
173 class LogicR<bits<6> func, string instr_asm, SDNode OpNode>:
177 (ins CPURegs:$b, CPURegs:$c),
178 !strconcat(instr_asm, "\t$dst, $b, $c"),
179 [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], IIAlu>;
181 class LogicI<bits<6> op, string instr_asm, SDNode OpNode>:
184 (ins CPURegs:$b, uimm16:$c),
185 !strconcat(instr_asm, "\t$dst, $b, $c"),
186 [(set CPURegs:$dst, (OpNode CPURegs:$b, immZExt16:$c))], IIAlu>;
188 class LogicNOR<bits<6> op, bits<6> func, string instr_asm>:
192 (ins CPURegs:$b, CPURegs:$c),
193 !strconcat(instr_asm, "\t$dst, $b, $c"),
194 [(set CPURegs:$dst, (not (or CPURegs:$b, CPURegs:$c)))], IIAlu>;
198 class LogicR_shift_imm<bits<6> func, string instr_asm, SDNode OpNode>:
202 (ins CPURegs:$b, shamt:$c),
203 !strconcat(instr_asm, "\t$dst, $b, $c"),
204 [(set CPURegs:$dst, (OpNode CPURegs:$b, immZExt5:$c))], IIAlu>;
206 class LogicR_shift_reg<bits<6> func, string instr_asm, SDNode OpNode>:
210 (ins CPURegs:$b, CPURegs:$c),
211 !strconcat(instr_asm, "\t$dst, $b, $c"),
212 [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], IIAlu>;
214 // Load Upper Imediate
215 class LoadUpper<bits<6> op, string instr_asm>:
219 !strconcat(instr_asm, "\t$dst, $imm"),
223 let canFoldAsLoad = 1, hasDelaySlot = 1 in
224 class LoadM<bits<6> op, string instr_asm, PatFrag OpNode>:
228 !strconcat(instr_asm, "\t$dst, $addr"),
229 [(set CPURegs:$dst, (OpNode addr:$addr))], IILoad>;
231 class StoreM<bits<6> op, string instr_asm, PatFrag OpNode>:
234 (ins CPURegs:$dst, mem:$addr),
235 !strconcat(instr_asm, "\t$dst, $addr"),
236 [(OpNode CPURegs:$dst, addr:$addr)], IIStore>;
238 // Conditional Branch
239 let isBranch = 1, isTerminator=1, hasDelaySlot = 1 in {
240 class CBranch<bits<6> op, string instr_asm, PatFrag cond_op>:
243 (ins CPURegs:$a, CPURegs:$b, brtarget:$offset),
244 !strconcat(instr_asm, "\t$a, $b, $offset"),
245 [(brcond (cond_op CPURegs:$a, CPURegs:$b), bb:$offset)],
249 class CBranchZero<bits<6> op, string instr_asm, PatFrag cond_op>:
252 (ins CPURegs:$src, brtarget:$offset),
253 !strconcat(instr_asm, "\t$src, $offset"),
254 [(brcond (cond_op CPURegs:$src, 0), bb:$offset)],
259 class SetCC_R<bits<6> op, bits<6> func, string instr_asm,
264 (ins CPURegs:$b, CPURegs:$c),
265 !strconcat(instr_asm, "\t$dst, $b, $c"),
266 [(set CPURegs:$dst, (cond_op CPURegs:$b, CPURegs:$c))],
269 class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op,
270 Operand Od, PatLeaf imm_type>:
273 (ins CPURegs:$b, Od:$c),
274 !strconcat(instr_asm, "\t$dst, $b, $c"),
275 [(set CPURegs:$dst, (cond_op CPURegs:$b, imm_type:$c))],
278 // Unconditional branch
279 let isBranch=1, isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
280 class JumpFJ<bits<6> op, string instr_asm>:
283 (ins brtarget:$target),
284 !strconcat(instr_asm, "\t$target"),
285 [(br bb:$target)], IIBranch>;
287 let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1 in
288 class JumpFR<bits<6> op, bits<6> func, string instr_asm>:
292 (ins CPURegs:$target),
293 !strconcat(instr_asm, "\t$target"),
294 [(brind CPURegs:$target)], IIBranch>;
296 // Jump and Link (Call)
297 let isCall=1, hasDelaySlot=1,
298 // All calls clobber the non-callee saved registers...
299 Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,
300 K0, K1, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9], Uses = [GP] in {
301 class JumpLink<bits<6> op, string instr_asm>:
304 (ins calltarget:$target, variable_ops),
305 !strconcat(instr_asm, "\t$target"),
306 [(MipsJmpLink imm:$target)], IIBranch>;
309 class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm>:
313 (ins CPURegs:$rs, variable_ops),
314 !strconcat(instr_asm, "\t$rs"),
315 [(MipsJmpLink CPURegs:$rs)], IIBranch>;
317 class BranchLink<string instr_asm>:
320 (ins CPURegs:$rs, brtarget:$target, variable_ops),
321 !strconcat(instr_asm, "\t$rs, $target"),
326 class MulDiv<bits<6> func, string instr_asm, InstrItinClass itin>:
330 (ins CPURegs:$a, CPURegs:$b),
331 !strconcat(instr_asm, "\t$a, $b"),
335 class MoveFromLOHI<bits<6> func, string instr_asm>:
340 !strconcat(instr_asm, "\t$dst"),
343 class MoveToLOHI<bits<6> func, string instr_asm>:
348 !strconcat(instr_asm, "\t$src"),
351 class EffectiveAddress<string instr_asm> :
356 [(set CPURegs:$dst, addr:$addr)], IIAlu>;
358 // Count Leading Ones/Zeros in Word
359 class CountLeading<bits<6> func, string instr_asm, SDNode CountOp>:
360 FR< 0x1c, func, (outs CPURegs:$dst), (ins CPURegs:$src),
361 !strconcat(instr_asm, "\t$dst, $src"),
362 [(set CPURegs:$dst, (CountOp CPURegs:$src))], IIAlu>;
364 // Sign Extend in Register.
365 class SignExtInReg<bits<6> func, string instr_asm, ValueType vt>:
366 FR< 0x3f, func, (outs CPURegs:$dst), (ins CPURegs:$src),
367 !strconcat(instr_asm, "\t$dst, $src"),
368 [(set CPURegs:$dst, (sext_inreg CPURegs:$src, vt))], NoItinerary>;
371 class ByteSwap<bits<6> func, string instr_asm>:
372 FR< 0x1f, func, (outs CPURegs:$dst), (ins CPURegs:$src),
373 !strconcat(instr_asm, "\t$dst, $src"),
374 [(set CPURegs:$dst, (bswap CPURegs:$src))], NoItinerary>;
377 class CondMov<bits<6> func, string instr_asm, PatLeaf MovCode>:
378 FR< 0x00, func, (outs CPURegs:$dst), (ins CPURegs:$F, CPURegs:$T,
379 CPURegs:$cond), !strconcat(instr_asm, "\t$dst, $T, $cond"),
380 [(set CPURegs:$dst, (MipsCMov CPURegs:$F, CPURegs:$T,
381 CPURegs:$cond, MovCode))], NoItinerary>;
383 //===----------------------------------------------------------------------===//
384 // Pseudo instructions
385 //===----------------------------------------------------------------------===//
387 // As stack alignment is always done with addiu, we need a 16-bit immediate
388 let Defs = [SP], Uses = [SP] in {
389 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins uimm16:$amt),
390 "!ADJCALLSTACKDOWN $amt",
391 [(callseq_start timm:$amt)]>;
392 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins uimm16:$amt1, uimm16:$amt2),
393 "!ADJCALLSTACKUP $amt1",
394 [(callseq_end timm:$amt1, timm:$amt2)]>;
397 // Some assembly macros need to avoid pseudoinstructions and assembler
398 // automatic reodering, we should reorder ourselves.
399 def MACRO : MipsPseudo<(outs), (ins), ".set\tmacro", []>;
400 def REORDER : MipsPseudo<(outs), (ins), ".set\treorder", []>;
401 def NOMACRO : MipsPseudo<(outs), (ins), ".set\tnomacro", []>;
402 def NOREORDER : MipsPseudo<(outs), (ins), ".set\tnoreorder", []>;
404 // When handling PIC code the assembler needs .cpload and .cprestore
405 // directives. If the real instructions corresponding these directives
406 // are used, we have the same behavior, but get also a bunch of warnings
407 // from the assembler.
408 def CPLOAD : MipsPseudo<(outs), (ins CPURegs:$picreg), ".cpload\t$picreg", []>;
409 def CPRESTORE : MipsPseudo<(outs), (ins uimm16:$loc), ".cprestore\t$loc\n", []>;
411 // The supported Mips ISAs dont have any instruction close to the SELECT_CC
412 // operation. The solution is to create a Mips pseudo SELECT_CC instruction
413 // (MipsSelectCC), use LowerSELECT_CC to generate this instruction and finally
414 // replace it for real supported nodes into EmitInstrWithCustomInserter
415 let usesCustomInserter = 1 in {
416 class PseudoSelCC<RegisterClass RC, string asmstr>:
417 MipsPseudo<(outs RC:$dst), (ins CPURegs:$CmpRes, RC:$T, RC:$F), asmstr,
418 [(set RC:$dst, (MipsSelectCC CPURegs:$CmpRes, RC:$T, RC:$F))]>;
421 def Select_CC : PseudoSelCC<CPURegs, "# MipsSelect_CC_i32">;
423 //===----------------------------------------------------------------------===//
424 // Instruction definition
425 //===----------------------------------------------------------------------===//
427 //===----------------------------------------------------------------------===//
428 // MipsI Instructions
429 //===----------------------------------------------------------------------===//
431 /// Arithmetic Instructions (ALU Immediate)
432 def ADDiu : ArithI<0x09, "addiu", add, simm16, immSExt16>;
433 def ADDi : ArithOverflowI<0x08, "addi", add, simm16, immSExt16>;
434 def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16>;
435 def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16>;
436 def ANDi : LogicI<0x0c, "andi", and>;
437 def ORi : LogicI<0x0d, "ori", or>;
438 def XORi : LogicI<0x0e, "xori", xor>;
439 def LUi : LoadUpper<0x0f, "lui">;
441 /// Arithmetic Instructions (3-Operand, R-Type)
442 def ADDu : ArithR<0x00, 0x21, "addu", add, IIAlu>;
443 def SUBu : ArithR<0x00, 0x23, "subu", sub, IIAlu>;
444 def ADD : ArithOverflowR<0x00, 0x20, "add">;
445 def SUB : ArithOverflowR<0x00, 0x22, "sub">;
446 def SLT : SetCC_R<0x00, 0x2a, "slt", setlt>;
447 def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult>;
448 def AND : LogicR<0x24, "and", and>;
449 def OR : LogicR<0x25, "or", or>;
450 def XOR : LogicR<0x26, "xor", xor>;
451 def NOR : LogicNOR<0x00, 0x27, "nor">;
453 /// Shift Instructions
454 def SLL : LogicR_shift_imm<0x00, "sll", shl>;
455 def SRL : LogicR_shift_imm<0x02, "srl", srl>;
456 def SRA : LogicR_shift_imm<0x03, "sra", sra>;
457 def SLLV : LogicR_shift_reg<0x04, "sllv", shl>;
458 def SRLV : LogicR_shift_reg<0x06, "srlv", srl>;
459 def SRAV : LogicR_shift_reg<0x07, "srav", sra>;
461 /// Load and Store Instructions
462 def LB : LoadM<0x20, "lb", sextloadi8>;
463 def LBu : LoadM<0x24, "lbu", zextloadi8>;
464 def LH : LoadM<0x21, "lh", sextloadi16>;
465 def LHu : LoadM<0x25, "lhu", zextloadi16>;
466 def LW : LoadM<0x23, "lw", load>;
467 def SB : StoreM<0x28, "sb", truncstorei8>;
468 def SH : StoreM<0x29, "sh", truncstorei16>;
469 def SW : StoreM<0x2b, "sw", store>;
471 /// Jump and Branch Instructions
472 def J : JumpFJ<0x02, "j">;
473 def JR : JumpFR<0x00, 0x08, "jr">;
474 def JAL : JumpLink<0x03, "jal">;
475 def JALR : JumpLinkReg<0x00, 0x09, "jalr">;
476 def BEQ : CBranch<0x04, "beq", seteq>;
477 def BNE : CBranch<0x05, "bne", setne>;
480 def BGEZ : CBranchZero<0x01, "bgez", setge>;
483 def BGTZ : CBranchZero<0x07, "bgtz", setgt>;
484 def BLEZ : CBranchZero<0x07, "blez", setle>;
485 def BLTZ : CBranchZero<0x01, "bltz", setlt>;
488 def BGEZAL : BranchLink<"bgezal">;
489 def BLTZAL : BranchLink<"bltzal">;
491 let isReturn=1, isTerminator=1, hasDelaySlot=1,
492 isBarrier=1, hasCtrlDep=1, rs=0, rt=0, shamt=0 in
493 def RET : FR <0x00, 0x02, (outs), (ins CPURegs:$target),
494 "jr\t$target", [(MipsRet CPURegs:$target)], IIBranch>;
496 /// Multiply and Divide Instructions.
497 let Defs = [HI, LO] in {
498 def MULT : MulDiv<0x18, "mult", IIImul>;
499 def MULTu : MulDiv<0x19, "multu", IIImul>;
500 def DIV : MulDiv<0x1a, "div", IIIdiv>;
501 def DIVu : MulDiv<0x1b, "divu", IIIdiv>;
505 def MTHI : MoveToLOHI<0x11, "mthi">;
507 def MTLO : MoveToLOHI<0x13, "mtlo">;
510 def MFHI : MoveFromLOHI<0x10, "mfhi">;
512 def MFLO : MoveFromLOHI<0x12, "mflo">;
514 /// Sign Ext In Register Instructions.
515 let Predicates = [HasSEInReg] in {
516 let shamt = 0x10, rs = 0 in
517 def SEB : SignExtInReg<0x21, "seb", i8>;
519 let shamt = 0x18, rs = 0 in
520 def SEH : SignExtInReg<0x20, "seh", i16>;
524 let Predicates = [HasBitCount] in {
526 def CLZ : CountLeading<0b010110, "clz", ctlz>;
530 let Predicates = [HasSwap] in {
531 let shamt = 0x3, rs = 0 in
532 def WSBW : ByteSwap<0x20, "wsbw">;
536 def MIPS_CMOV_ZERO : PatLeaf<(i32 0)>;
537 def MIPS_CMOV_NZERO : PatLeaf<(i32 1)>;
539 let Predicates = [HasCondMov], Constraints = "$F = $dst" in {
540 def MOVN : CondMov<0x0a, "movn", MIPS_CMOV_NZERO>;
541 def MOVZ : CondMov<0x0b, "movz", MIPS_CMOV_ZERO>;
546 def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
548 // FrameIndexes are legalized when they are operands from load/store
549 // instructions. The same not happens for stack address copies, so an
550 // add op with mem ComplexPattern is used and the stack address copy
551 // can be matched. It's similar to Sparc LEA_ADDRi
552 def LEA_ADDiu : EffectiveAddress<"addiu\t$dst, ${addr:stackloc}">;
554 // MADD*/MSUB* are not part of MipsI either.
555 //def MADD : MArithR<0x00, "madd">;
556 //def MADDU : MArithR<0x01, "maddu">;
557 //def MSUB : MArithR<0x04, "msub">;
558 //def MSUBU : MArithR<0x05, "msubu">;
560 // MUL is a assembly macro in the current used ISAs. In recent ISA's
561 // it is a real instruction.
562 //def MUL : ArithR<0x1c, 0x02, "mul", mul, IIImul>;
564 //===----------------------------------------------------------------------===//
565 // Arbitrary patterns that map to one or more instructions
566 //===----------------------------------------------------------------------===//
569 def : Pat<(i32 immSExt16:$in),
570 (ADDiu ZERO, imm:$in)>;
571 def : Pat<(i32 immZExt16:$in),
572 (ORi ZERO, imm:$in)>;
574 // Arbitrary immediates
575 def : Pat<(i32 imm:$imm),
576 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
579 def : Pat<(subc CPURegs:$lhs, CPURegs:$rhs),
580 (SUBu CPURegs:$lhs, CPURegs:$rhs)>;
581 def : Pat<(addc CPURegs:$lhs, CPURegs:$rhs),
582 (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
583 def : Pat<(addc CPURegs:$src, imm:$imm),
584 (ADDiu CPURegs:$src, imm:$imm)>;
587 def : Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
588 (JAL tglobaladdr:$dst)>;
589 def : Pat<(MipsJmpLink (i32 texternalsym:$dst)),
590 (JAL texternalsym:$dst)>;
591 //def : Pat<(MipsJmpLink CPURegs:$dst),
592 // (JALR CPURegs:$dst)>;
595 def : Pat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
596 def : Pat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
597 (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
599 def : Pat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
600 def : Pat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
601 (ADDiu CPURegs:$hi, tjumptable:$lo)>;
603 def : Pat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
604 def : Pat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
605 (ADDiu CPURegs:$hi, tconstpool:$lo)>;
608 def : Pat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
609 (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
610 def : Pat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
611 (ADDiu CPURegs:$gp, tconstpool:$in)>;
613 // Mips does not have "not", so we expand our way
614 def : Pat<(not CPURegs:$in),
615 (NOR CPURegs:$in, ZERO)>;
617 // extended load and stores
618 def : Pat<(extloadi1 addr:$src), (LBu addr:$src)>;
619 def : Pat<(extloadi8 addr:$src), (LBu addr:$src)>;
620 def : Pat<(extloadi16 addr:$src), (LHu addr:$src)>;
623 def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
626 def : Pat<(brcond (setne CPURegs:$lhs, 0), bb:$dst),
627 (BNE CPURegs:$lhs, ZERO, bb:$dst)>;
628 def : Pat<(brcond (seteq CPURegs:$lhs, 0), bb:$dst),
629 (BEQ CPURegs:$lhs, ZERO, bb:$dst)>;
631 def : Pat<(brcond (setge CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
632 (BEQ (SLT CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
633 def : Pat<(brcond (setuge CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
634 (BEQ (SLTu CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
635 def : Pat<(brcond (setge CPURegs:$lhs, immSExt16:$rhs), bb:$dst),
636 (BEQ (SLTi CPURegs:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
637 def : Pat<(brcond (setuge CPURegs:$lhs, immSExt16:$rhs), bb:$dst),
638 (BEQ (SLTiu CPURegs:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
640 def : Pat<(brcond (setle CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
641 (BEQ (SLT CPURegs:$rhs, CPURegs:$lhs), ZERO, bb:$dst)>;
642 def : Pat<(brcond (setule CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
643 (BEQ (SLTu CPURegs:$rhs, CPURegs:$lhs), ZERO, bb:$dst)>;
645 def : Pat<(brcond CPURegs:$cond, bb:$dst),
646 (BNE CPURegs:$cond, ZERO, bb:$dst)>;
649 def : Pat<(select (setge CPURegs:$lhs, CPURegs:$rhs), CPURegs:$T, CPURegs:$F),
650 (MOVZ CPURegs:$F, CPURegs:$T, (SLT CPURegs:$lhs, CPURegs:$rhs))>;
651 def : Pat<(select (setuge CPURegs:$lhs, CPURegs:$rhs), CPURegs:$T, CPURegs:$F),
652 (MOVZ CPURegs:$F, CPURegs:$T, (SLTu CPURegs:$lhs, CPURegs:$rhs))>;
653 def : Pat<(select (setge CPURegs:$lhs, immSExt16:$rhs), CPURegs:$T, CPURegs:$F),
654 (MOVZ CPURegs:$F, CPURegs:$T, (SLTi CPURegs:$lhs, immSExt16:$rhs))>;
655 def : Pat<(select (setuge CPURegs:$lh, immSExt16:$rh), CPURegs:$T, CPURegs:$F),
656 (MOVZ CPURegs:$F, CPURegs:$T, (SLTiu CPURegs:$lh, immSExt16:$rh))>;
658 def : Pat<(select (setle CPURegs:$lhs, CPURegs:$rhs), CPURegs:$T, CPURegs:$F),
659 (MOVZ CPURegs:$F, CPURegs:$T, (SLT CPURegs:$rhs, CPURegs:$lhs))>;
660 def : Pat<(select (setule CPURegs:$lhs, CPURegs:$rhs), CPURegs:$T, CPURegs:$F),
661 (MOVZ CPURegs:$F, CPURegs:$T, (SLTu CPURegs:$rhs, CPURegs:$lhs))>;
663 def : Pat<(select (seteq CPURegs:$lhs, CPURegs:$rhs), CPURegs:$T, CPURegs:$F),
664 (MOVZ CPURegs:$F, CPURegs:$T, (XOR CPURegs:$lhs, CPURegs:$rhs))>;
665 def : Pat<(select (setne CPURegs:$lhs, CPURegs:$rhs), CPURegs:$T, CPURegs:$F),
666 (MOVN CPURegs:$F, CPURegs:$T, (XOR CPURegs:$lhs, CPURegs:$rhs))>;
668 def : Pat<(select CPURegs:$cond, CPURegs:$T, CPURegs:$F),
669 (MOVN CPURegs:$F, CPURegs:$T, CPURegs:$cond)>;
672 def : Pat<(seteq CPURegs:$lhs, CPURegs:$rhs),
673 (SLTu (XOR CPURegs:$lhs, CPURegs:$rhs), 1)>;
674 def : Pat<(setne CPURegs:$lhs, CPURegs:$rhs),
675 (SLTu ZERO, (XOR CPURegs:$lhs, CPURegs:$rhs))>;
677 def : Pat<(setle CPURegs:$lhs, CPURegs:$rhs),
678 (XORi (SLT CPURegs:$rhs, CPURegs:$lhs), 1)>;
679 def : Pat<(setule CPURegs:$lhs, CPURegs:$rhs),
680 (XORi (SLTu CPURegs:$rhs, CPURegs:$lhs), 1)>;
682 def : Pat<(setgt CPURegs:$lhs, CPURegs:$rhs),
683 (SLT CPURegs:$rhs, CPURegs:$lhs)>;
684 def : Pat<(setugt CPURegs:$lhs, CPURegs:$rhs),
685 (SLTu CPURegs:$rhs, CPURegs:$lhs)>;
687 def : Pat<(setge CPURegs:$lhs, CPURegs:$rhs),
688 (XORi (SLT CPURegs:$lhs, CPURegs:$rhs), 1)>;
689 def : Pat<(setuge CPURegs:$lhs, CPURegs:$rhs),
690 (XORi (SLTu CPURegs:$lhs, CPURegs:$rhs), 1)>;
692 def : Pat<(setge CPURegs:$lhs, immSExt16:$rhs),
693 (XORi (SLTi CPURegs:$lhs, immSExt16:$rhs), 1)>;
694 def : Pat<(setuge CPURegs:$lhs, immSExt16:$rhs),
695 (XORi (SLTiu CPURegs:$lhs, immSExt16:$rhs), 1)>;
697 //===----------------------------------------------------------------------===//
698 // Floating Point Support
699 //===----------------------------------------------------------------------===//
701 include "MipsInstrFPU.td"