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      1 //===-- XCoreInstrInfo.td - Target Description for XCore ---*- tablegen -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file describes the XCore instructions in TableGen format.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 // Uses of CP, DP are not currently reflected in the patterns, since
     15 // having a physical register as an operand prevents loop hoisting and
     16 // since the value of these registers never changes during the life of the
     17 // function.
     18 
     19 //===----------------------------------------------------------------------===//
     20 // Instruction format superclass.
     21 //===----------------------------------------------------------------------===//
     22 
     23 include "XCoreInstrFormats.td"
     24 
     25 //===----------------------------------------------------------------------===//
     26 // XCore specific DAG Nodes.
     27 //
     28 
     29 // Call
     30 def SDT_XCoreBranchLink : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
     31 def XCoreBranchLink     : SDNode<"XCoreISD::BL",SDT_XCoreBranchLink,
     32                             [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
     33                              SDNPVariadic]>;
     34 
     35 def XCoreRetsp : SDNode<"XCoreISD::RETSP", SDTBrind,
     36                       [SDNPHasChain, SDNPOptInGlue, SDNPMayLoad, SDNPVariadic]>;
     37 
     38 def SDT_XCoreBR_JT    : SDTypeProfile<0, 2,
     39                                       [SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
     40 
     41 def XCoreBR_JT : SDNode<"XCoreISD::BR_JT", SDT_XCoreBR_JT,
     42                         [SDNPHasChain]>;
     43 
     44 def XCoreBR_JT32 : SDNode<"XCoreISD::BR_JT32", SDT_XCoreBR_JT,
     45                         [SDNPHasChain]>;
     46 
     47 def SDT_XCoreAddress    : SDTypeProfile<1, 1,
     48                             [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
     49 
     50 def pcrelwrapper : SDNode<"XCoreISD::PCRelativeWrapper", SDT_XCoreAddress,
     51                            []>;
     52 
     53 def dprelwrapper : SDNode<"XCoreISD::DPRelativeWrapper", SDT_XCoreAddress,
     54                            []>;
     55 
     56 def cprelwrapper : SDNode<"XCoreISD::CPRelativeWrapper", SDT_XCoreAddress,
     57                            []>;
     58 
     59 def SDT_XCoreStwsp    : SDTypeProfile<0, 2, [SDTCisInt<1>]>;
     60 def XCoreStwsp        : SDNode<"XCoreISD::STWSP", SDT_XCoreStwsp,
     61                                [SDNPHasChain, SDNPMayStore]>;
     62 
     63 // These are target-independent nodes, but have target-specific formats.
     64 def SDT_XCoreCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
     65 def SDT_XCoreCallSeqEnd   : SDCallSeqEnd<[ SDTCisVT<0, i32>,
     66                                         SDTCisVT<1, i32> ]>;
     67 
     68 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_XCoreCallSeqStart,
     69                            [SDNPHasChain, SDNPOutGlue]>;
     70 def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_XCoreCallSeqEnd,
     71                            [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
     72 
     73 //===----------------------------------------------------------------------===//
     74 // Instruction Pattern Stuff
     75 //===----------------------------------------------------------------------===//
     76 
     77 def div4_xform : SDNodeXForm<imm, [{
     78   // Transformation function: imm/4
     79   assert(N->getZExtValue() % 4 == 0);
     80   return getI32Imm(N->getZExtValue()/4);
     81 }]>;
     82 
     83 def msksize_xform : SDNodeXForm<imm, [{
     84   // Transformation function: get the size of a mask
     85   assert(isMask_32(N->getZExtValue()));
     86   // look for the first non-zero bit
     87   return getI32Imm(32 - CountLeadingZeros_32(N->getZExtValue()));
     88 }]>;
     89 
     90 def neg_xform : SDNodeXForm<imm, [{
     91   // Transformation function: -imm
     92   uint32_t value = N->getZExtValue();
     93   return getI32Imm(-value);
     94 }]>;
     95 
     96 def bpwsub_xform : SDNodeXForm<imm, [{
     97   // Transformation function: 32-imm
     98   uint32_t value = N->getZExtValue();
     99   return getI32Imm(32-value);
    100 }]>;
    101 
    102 def div4neg_xform : SDNodeXForm<imm, [{
    103   // Transformation function: -imm/4
    104   uint32_t value = N->getZExtValue();
    105   assert(-value % 4 == 0);
    106   return getI32Imm(-value/4);
    107 }]>;
    108 
    109 def immUs4Neg : PatLeaf<(imm), [{
    110   uint32_t value = (uint32_t)N->getZExtValue();
    111   return (-value)%4 == 0 && (-value)/4 <= 11;
    112 }]>;
    113 
    114 def immUs4 : PatLeaf<(imm), [{
    115   uint32_t value = (uint32_t)N->getZExtValue();
    116   return value%4 == 0 && value/4 <= 11;
    117 }]>;
    118 
    119 def immUsNeg : PatLeaf<(imm), [{
    120   return -((uint32_t)N->getZExtValue()) <= 11;
    121 }]>;
    122 
    123 def immUs : PatLeaf<(imm), [{
    124   return (uint32_t)N->getZExtValue() <= 11;
    125 }]>;
    126 
    127 def immU6 : PatLeaf<(imm), [{
    128   return (uint32_t)N->getZExtValue() < (1 << 6);
    129 }]>;
    130 
    131 def immU10 : PatLeaf<(imm), [{
    132   return (uint32_t)N->getZExtValue() < (1 << 10);
    133 }]>;
    134 
    135 def immU16 : PatLeaf<(imm), [{
    136   return (uint32_t)N->getZExtValue() < (1 << 16);
    137 }]>;
    138 
    139 def immU20 : PatLeaf<(imm), [{
    140   return (uint32_t)N->getZExtValue() < (1 << 20);
    141 }]>;
    142 
    143 def immMskBitp : PatLeaf<(imm), [{ return immMskBitp(N); }]>;
    144 
    145 def immBitp : PatLeaf<(imm), [{
    146   uint32_t value = (uint32_t)N->getZExtValue();
    147   return (value >= 1 && value <= 8)
    148           || value == 16
    149           || value == 24
    150           || value == 32;
    151 }]>;
    152 
    153 def immBpwSubBitp : PatLeaf<(imm), [{
    154   uint32_t value = (uint32_t)N->getZExtValue();
    155   return (value >= 24 && value <= 31)
    156           || value == 16
    157           || value == 8
    158           || value == 0;
    159 }]>;
    160 
    161 def lda16f : PatFrag<(ops node:$addr, node:$offset),
    162                      (add node:$addr, (shl node:$offset, 1))>;
    163 def lda16b : PatFrag<(ops node:$addr, node:$offset),
    164                      (sub node:$addr, (shl node:$offset, 1))>;
    165 def ldawf : PatFrag<(ops node:$addr, node:$offset),
    166                      (add node:$addr, (shl node:$offset, 2))>;
    167 def ldawb : PatFrag<(ops node:$addr, node:$offset),
    168                      (sub node:$addr, (shl node:$offset, 2))>;
    169 
    170 // Instruction operand types
    171 def calltarget  : Operand<i32>;
    172 def brtarget : Operand<OtherVT>;
    173 def pclabel : Operand<i32>;
    174 
    175 // Addressing modes
    176 def ADDRspii : ComplexPattern<i32, 2, "SelectADDRspii", [add, frameindex], []>;
    177 def ADDRdpii : ComplexPattern<i32, 2, "SelectADDRdpii", [add, dprelwrapper],
    178                  []>;
    179 def ADDRcpii : ComplexPattern<i32, 2, "SelectADDRcpii", [add, cprelwrapper],
    180                  []>;
    181 
    182 // Address operands
    183 def MEMii : Operand<i32> {
    184   let PrintMethod = "printMemOperand";
    185   let DecoderMethod = "DecodeMEMiiOperand";
    186   let MIOperandInfo = (ops i32imm, i32imm);
    187 }
    188 
    189 // Jump tables.
    190 def InlineJT : Operand<i32> {
    191   let PrintMethod = "printInlineJT";
    192 }
    193 
    194 def InlineJT32 : Operand<i32> {
    195   let PrintMethod = "printInlineJT32";
    196 }
    197 
    198 //===----------------------------------------------------------------------===//
    199 // Instruction Class Templates
    200 //===----------------------------------------------------------------------===//
    201 
    202 // Three operand short
    203 
    204 multiclass F3R_2RUS<bits<5> opc1, bits<5> opc2, string OpcStr, SDNode OpNode> {
    205   def _3r: _F3R<opc1, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    206                 !strconcat(OpcStr, " $dst, $b, $c"),
    207                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
    208   def _2rus : _F2RUS<opc2, (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
    209                      !strconcat(OpcStr, " $dst, $b, $c"),
    210                      [(set GRRegs:$dst, (OpNode GRRegs:$b, immUs:$c))]>;
    211 }
    212 
    213 multiclass F3R_2RUS_np<bits<5> opc1, bits<5> opc2, string OpcStr> {
    214   def _3r: _F3R<opc1, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    215                 !strconcat(OpcStr, " $dst, $b, $c"), []>;
    216   def _2rus : _F2RUS<opc2, (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
    217                      !strconcat(OpcStr, " $dst, $b, $c"), []>;
    218 }
    219 
    220 multiclass F3R_2RBITP<bits<5> opc1, bits<5> opc2, string OpcStr,
    221                       SDNode OpNode> {
    222   def _3r: _F3R<opc1, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    223                 !strconcat(OpcStr, " $dst, $b, $c"),
    224                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
    225   def _2rus : _F2RUSBitp<opc2, (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
    226                          !strconcat(OpcStr, " $dst, $b, $c"),
    227                          [(set GRRegs:$dst, (OpNode GRRegs:$b, immBitp:$c))]>;
    228 }
    229 
    230 class F3R<bits<5> opc, string OpcStr, SDNode OpNode> :
    231   _F3R<opc, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    232        !strconcat(OpcStr, " $dst, $b, $c"),
    233        [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
    234 
    235 class F3R_np<bits<5> opc, string OpcStr> :
    236   _F3R<opc, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    237        !strconcat(OpcStr, " $dst, $b, $c"), []>;
    238 // Three operand long
    239 
    240 /// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
    241 multiclass FL3R_L2RUS<bits<9> opc1, bits<9> opc2, string OpcStr,
    242                       SDNode OpNode> {
    243   def _l3r: _FL3R<opc1, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    244                   !strconcat(OpcStr, " $dst, $b, $c"),
    245                   [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
    246   def _l2rus : _FL2RUS<opc2, (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
    247                        !strconcat(OpcStr, " $dst, $b, $c"),
    248                        [(set GRRegs:$dst, (OpNode GRRegs:$b, immUs:$c))]>;
    249 }
    250 
    251 /// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
    252 multiclass FL3R_L2RBITP<bits<9> opc1, bits<9> opc2, string OpcStr,
    253                         SDNode OpNode> {
    254   def _l3r: _FL3R<opc1, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    255                   !strconcat(OpcStr, " $dst, $b, $c"),
    256                   [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
    257   def _l2rus : _FL2RUSBitp<opc2, (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
    258                            !strconcat(OpcStr, " $dst, $b, $c"),
    259                            [(set GRRegs:$dst, (OpNode GRRegs:$b, immBitp:$c))]>;
    260 }
    261 
    262 class FL3R<bits<9> opc, string OpcStr, SDNode OpNode> :
    263   _FL3R<opc, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
    264         !strconcat(OpcStr, " $dst, $b, $c"),
    265         [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
    266 
    267 // Register - U6
    268 // Operand register - U6
    269 multiclass FRU6_LRU6_branch<bits<6> opc, string OpcStr> {
    270   def _ru6: _FRU6<opc, (outs), (ins GRRegs:$a, brtarget:$b),
    271                   !strconcat(OpcStr, " $a, $b"), []>;
    272   def _lru6: _FLRU6<opc, (outs), (ins GRRegs:$a, brtarget:$b),
    273                     !strconcat(OpcStr, " $a, $b"), []>;
    274 }
    275 
    276 multiclass FRU6_LRU6_backwards_branch<bits<6> opc, string OpcStr> {
    277   def _ru6: _FRU6<opc, (outs), (ins GRRegs:$a, brtarget:$b),
    278                   !strconcat(OpcStr, " $a, -$b"), []>;
    279   def _lru6: _FLRU6<opc, (outs), (ins GRRegs:$a, brtarget:$b),
    280                     !strconcat(OpcStr, " $a, -$b"), []>;
    281 }
    282 
    283 multiclass FRU6_LRU6_cp<bits<6> opc, string OpcStr> {
    284   def _ru6: _FRU6<opc, (outs GRRegs:$a), (ins i32imm:$b),
    285                   !strconcat(OpcStr, " $a, cp[$b]"), []>;
    286   def _lru6: _FLRU6<opc, (outs GRRegs:$a), (ins i32imm:$b),
    287                     !strconcat(OpcStr, " $a, cp[$b]"), []>;
    288 }
    289 
    290 // U6
    291 multiclass FU6_LU6<bits<10> opc, string OpcStr, SDNode OpNode> {
    292   def _u6: _FU6<opc, (outs), (ins i32imm:$a), !strconcat(OpcStr, " $a"),
    293                 [(OpNode immU6:$a)]>;
    294   def _lu6: _FLU6<opc, (outs), (ins i32imm:$a), !strconcat(OpcStr, " $a"),
    295                   [(OpNode immU16:$a)]>;
    296 }
    297 
    298 multiclass FU6_LU6_int<bits<10> opc, string OpcStr, Intrinsic Int> {
    299   def _u6: _FU6<opc, (outs), (ins i32imm:$a), !strconcat(OpcStr, " $a"),
    300                 [(Int immU6:$a)]>;
    301   def _lu6: _FLU6<opc, (outs), (ins i32imm:$a), !strconcat(OpcStr, " $a"),
    302                   [(Int immU16:$a)]>;
    303 }
    304 
    305 multiclass FU6_LU6_np<bits<10> opc, string OpcStr> {
    306   def _u6: _FU6<opc, (outs), (ins i32imm:$a), !strconcat(OpcStr, " $a"), []>;
    307   def _lu6: _FLU6<opc, (outs), (ins i32imm:$a), !strconcat(OpcStr, " $a"), []>;
    308 }
    309 
    310 // Two operand short
    311 
    312 class F2R_np<bits<6> opc, string OpcStr> :
    313   _F2R<opc, (outs GRRegs:$dst), (ins GRRegs:$b),
    314        !strconcat(OpcStr, " $dst, $b"), []>;
    315 
    316 // Two operand long
    317 
    318 //===----------------------------------------------------------------------===//
    319 // Pseudo Instructions
    320 //===----------------------------------------------------------------------===//
    321 
    322 let Defs = [SP], Uses = [SP] in {
    323 def ADJCALLSTACKDOWN : PseudoInstXCore<(outs), (ins i32imm:$amt),
    324                                "# ADJCALLSTACKDOWN $amt",
    325                                [(callseq_start timm:$amt)]>;
    326 def ADJCALLSTACKUP : PseudoInstXCore<(outs), (ins i32imm:$amt1, i32imm:$amt2),
    327                             "# ADJCALLSTACKUP $amt1",
    328                             [(callseq_end timm:$amt1, timm:$amt2)]>;
    329 }
    330 
    331 def LDWFI : PseudoInstXCore<(outs GRRegs:$dst), (ins MEMii:$addr),
    332                              "# LDWFI $dst, $addr",
    333                              [(set GRRegs:$dst, (load ADDRspii:$addr))]>;
    334 
    335 def LDAWFI : PseudoInstXCore<(outs GRRegs:$dst), (ins MEMii:$addr),
    336                              "# LDAWFI $dst, $addr",
    337                              [(set GRRegs:$dst, ADDRspii:$addr)]>;
    338 
    339 def STWFI : PseudoInstXCore<(outs), (ins GRRegs:$src, MEMii:$addr),
    340                             "# STWFI $src, $addr",
    341                             [(store GRRegs:$src, ADDRspii:$addr)]>;
    342 
    343 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
    344 // instruction selection into a branch sequence.
    345 let usesCustomInserter = 1 in {
    346   def SELECT_CC : PseudoInstXCore<(outs GRRegs:$dst),
    347                               (ins GRRegs:$cond, GRRegs:$T, GRRegs:$F),
    348                               "# SELECT_CC PSEUDO!",
    349                               [(set GRRegs:$dst,
    350                                  (select GRRegs:$cond, GRRegs:$T, GRRegs:$F))]>;
    351 }
    352 
    353 //===----------------------------------------------------------------------===//
    354 // Instructions
    355 //===----------------------------------------------------------------------===//
    356 
    357 // Three operand short
    358 defm ADD : F3R_2RUS<0b00010, 0b10010, "add", add>;
    359 defm SUB : F3R_2RUS<0b00011, 0b10011, "sub", sub>;
    360 let neverHasSideEffects = 1 in {
    361 defm EQ : F3R_2RUS_np<0b00110, 0b10110, "eq">;
    362 def LSS_3r : F3R_np<0b11000, "lss">;
    363 def LSU_3r : F3R_np<0b11001, "lsu">;
    364 }
    365 def AND_3r : F3R<0b00111, "and", and>;
    366 def OR_3r : F3R<0b01000, "or", or>;
    367 
    368 let mayLoad=1 in {
    369 def LDW_3r : _F3R<0b01001, (outs GRRegs:$dst),
    370                   (ins GRRegs:$addr, GRRegs:$offset),
    371                   "ldw $dst, $addr[$offset]", []>;
    372 
    373 def LDW_2rus : _F2RUS<0b00001, (outs GRRegs:$dst),
    374                       (ins GRRegs:$addr, i32imm:$offset),
    375                       "ldw $dst, $addr[$offset]", []>;
    376 
    377 def LD16S_3r :  _F3R<0b10000, (outs GRRegs:$dst),
    378                      (ins GRRegs:$addr, GRRegs:$offset),
    379                      "ld16s $dst, $addr[$offset]", []>;
    380 
    381 def LD8U_3r :  _F3R<0b10001, (outs GRRegs:$dst),
    382                     (ins GRRegs:$addr, GRRegs:$offset),
    383                     "ld8u $dst, $addr[$offset]", []>;
    384 }
    385 
    386 let mayStore=1 in {
    387 def STW_l3r : _FL3R<0b000001100, (outs),
    388                     (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
    389                     "stw $val, $addr[$offset]", []>;
    390 
    391 def STW_2rus : _F2RUS<0b0000, (outs),
    392                       (ins GRRegs:$val, GRRegs:$addr, i32imm:$offset),
    393                       "stw $val, $addr[$offset]", []>;
    394 }
    395 
    396 defm SHL : F3R_2RBITP<0b00100, 0b10100, "shl", shl>;
    397 defm SHR : F3R_2RBITP<0b00101, 0b10101, "shr", srl>;
    398 
    399 // The first operand is treated as an immediate since it refers to a register
    400 // number in another thread.
    401 def TSETR_3r : _F3RImm<0b10111, (outs), (ins i32imm:$a, GRRegs:$b, GRRegs:$c),
    402                        "set t[$c]:r$a, $b", []>;
    403 
    404 // Three operand long
    405 def LDAWF_l3r : _FL3R<0b000111100, (outs GRRegs:$dst),
    406                       (ins GRRegs:$addr, GRRegs:$offset),
    407                       "ldaw $dst, $addr[$offset]",
    408                       [(set GRRegs:$dst,
    409                          (ldawf GRRegs:$addr, GRRegs:$offset))]>;
    410 
    411 let neverHasSideEffects = 1 in
    412 def LDAWF_l2rus : _FL2RUS<0b100111100, (outs GRRegs:$dst),
    413                           (ins GRRegs:$addr, i32imm:$offset),
    414                           "ldaw $dst, $addr[$offset]", []>;
    415 
    416 def LDAWB_l3r : _FL3R<0b001001100, (outs GRRegs:$dst),
    417                       (ins GRRegs:$addr, GRRegs:$offset),
    418                       "ldaw $dst, $addr[-$offset]",
    419                       [(set GRRegs:$dst,
    420                          (ldawb GRRegs:$addr, GRRegs:$offset))]>;
    421 
    422 let neverHasSideEffects = 1 in
    423 def LDAWB_l2rus : _FL2RUS<0b101001100, (outs GRRegs:$dst),
    424                          (ins GRRegs:$addr, i32imm:$offset),
    425                          "ldaw $dst, $addr[-$offset]", []>;
    426 
    427 def LDA16F_l3r : _FL3R<0b001011100, (outs GRRegs:$dst),
    428                        (ins GRRegs:$addr, GRRegs:$offset),
    429                        "lda16 $dst, $addr[$offset]",
    430                        [(set GRRegs:$dst,
    431                           (lda16f GRRegs:$addr, GRRegs:$offset))]>;
    432 
    433 def LDA16B_l3r : _FL3R<0b001101100, (outs GRRegs:$dst),
    434                        (ins GRRegs:$addr, GRRegs:$offset),
    435                        "lda16 $dst, $addr[-$offset]",
    436                        [(set GRRegs:$dst,
    437                           (lda16b GRRegs:$addr, GRRegs:$offset))]>;
    438 
    439 def MUL_l3r : FL3R<0b001111100, "mul", mul>;
    440 // Instructions which may trap are marked as side effecting.
    441 let hasSideEffects = 1 in {
    442 def DIVS_l3r : FL3R<0b010001100, "divs", sdiv>;
    443 def DIVU_l3r : FL3R<0b010011100, "divu", udiv>;
    444 def REMS_l3r : FL3R<0b110001100, "rems", srem>;
    445 def REMU_l3r : FL3R<0b110011100, "remu", urem>;
    446 }
    447 def XOR_l3r : FL3R<0b000011100, "xor", xor>;
    448 defm ASHR : FL3R_L2RBITP<0b000101100, 0b100101100, "ashr", sra>;
    449 
    450 let Constraints = "$src1 = $dst" in
    451 def CRC_l3r : _FL3RSrcDst<0b101011100, (outs GRRegs:$dst),
    452                           (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
    453                           "crc32 $dst, $src2, $src3",
    454                           [(set GRRegs:$dst,
    455                              (int_xcore_crc32 GRRegs:$src1, GRRegs:$src2,
    456                                               GRRegs:$src3))]>;
    457 
    458 let mayStore=1 in {
    459 def ST16_l3r : _FL3R<0b100001100, (outs),
    460                      (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
    461                      "st16 $val, $addr[$offset]", []>;
    462 
    463 def ST8_l3r : _FL3R<0b100011100, (outs),
    464                     (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
    465                     "st8 $val, $addr[$offset]", []>;
    466 }
    467 
    468 def INPW_l2rus : _FL2RUSBitp<0b100101110, (outs GRRegs:$a),
    469                              (ins GRRegs:$b, i32imm:$c), "inpw $a, res[$b], $c",
    470                              []>;
    471 
    472 def OUTPW_l2rus : _FL2RUSBitp<0b100101101, (outs),
    473                               (ins GRRegs:$a, GRRegs:$b, i32imm:$c),
    474                               "outpw res[$b], $a, $c", []>;
    475 
    476 // Four operand long
    477 let Constraints = "$e = $a,$f = $b" in {
    478 def MACCU_l4r : _FL4RSrcDstSrcDst<
    479   0b000001, (outs GRRegs:$a, GRRegs:$b),
    480   (ins GRRegs:$e, GRRegs:$f, GRRegs:$c, GRRegs:$d), "maccu $a, $b, $c, $d", []>;
    481 
    482 def MACCS_l4r : _FL4RSrcDstSrcDst<
    483   0b000010, (outs GRRegs:$a, GRRegs:$b),
    484   (ins GRRegs:$e, GRRegs:$f, GRRegs:$c, GRRegs:$d), "maccs $a, $b, $c, $d", []>;
    485 }
    486 
    487 let Constraints = "$e = $b" in
    488 def CRC8_l4r : _FL4RSrcDst<0b000000, (outs GRRegs:$a, GRRegs:$b),
    489                            (ins GRRegs:$e, GRRegs:$c, GRRegs:$d),
    490                            "crc8 $b, $a, $c, $d", []>;
    491 
    492 // Five operand long
    493 
    494 def LADD_l5r : _FL5R<0b000001, (outs GRRegs:$dst1, GRRegs:$dst2),
    495                      (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
    496                      "ladd $dst2, $dst1, $src1, $src2, $src3",
    497                      []>;
    498 
    499 def LSUB_l5r : _FL5R<0b000010, (outs GRRegs:$dst1, GRRegs:$dst2),
    500                      (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
    501                      "lsub $dst2, $dst1, $src1, $src2, $src3", []>;
    502 
    503 def LDIVU_l5r : _FL5R<0b000000, (outs GRRegs:$dst1, GRRegs:$dst2),
    504                       (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
    505                       "ldivu $dst1, $dst2, $src3, $src1, $src2", []>;
    506 
    507 // Six operand long
    508 
    509 def LMUL_l6r : _FL6R<
    510   0b00000, (outs GRRegs:$dst1, GRRegs:$dst2),
    511   (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3, GRRegs:$src4),
    512   "lmul $dst1, $dst2, $src1, $src2, $src3, $src4", []>;
    513 
    514 // Register - U6
    515 
    516 //let Uses = [DP] in ...
    517 let neverHasSideEffects = 1, isReMaterializable = 1 in
    518 def LDAWDP_ru6: _FRU6<0b011000, (outs GRRegs:$a), (ins MEMii:$b),
    519                       "ldaw $a, dp[$b]", []>;
    520 
    521 let isReMaterializable = 1 in                    
    522 def LDAWDP_lru6: _FLRU6<0b011000, (outs GRRegs:$a), (ins MEMii:$b),
    523                         "ldaw $a, dp[$b]",
    524                         [(set GRRegs:$a, ADDRdpii:$b)]>;
    525 
    526 let mayLoad=1 in
    527 def LDWDP_ru6: _FRU6<0b010110, (outs GRRegs:$a), (ins MEMii:$b),
    528                      "ldw $a, dp[$b]", []>;
    529 
    530 def LDWDP_lru6: _FLRU6<0b010110, (outs GRRegs:$a), (ins MEMii:$b),
    531                        "ldw $a, dp[$b]",
    532                        [(set GRRegs:$a, (load ADDRdpii:$b))]>;
    533 
    534 let mayStore=1 in
    535 def STWDP_ru6 : _FRU6<0b010100, (outs), (ins GRRegs:$a, MEMii:$b),
    536                       "stw $a, dp[$b]", []>;
    537 
    538 def STWDP_lru6 : _FLRU6<0b010100, (outs), (ins GRRegs:$a, MEMii:$b),
    539                         "stw $a, dp[$b]",
    540                         [(store GRRegs:$a, ADDRdpii:$b)]>;
    541 
    542 //let Uses = [CP] in ..
    543 let mayLoad = 1, isReMaterializable = 1, neverHasSideEffects = 1 in
    544 defm LDWCP : FRU6_LRU6_cp<0b011011, "ldw">;
    545 
    546 let Uses = [SP] in {
    547 let mayStore=1 in {
    548 def STWSP_ru6 : _FRU6<0b010101, (outs), (ins GRRegs:$a, i32imm:$b),
    549                       "stw $a, sp[$b]",
    550                       [(XCoreStwsp GRRegs:$a, immU6:$b)]>;
    551 
    552 def STWSP_lru6 : _FLRU6<0b010101, (outs), (ins GRRegs:$a, i32imm:$b),
    553                         "stw $a, sp[$b]",
    554                         [(XCoreStwsp GRRegs:$a, immU16:$b)]>;
    555 }
    556 
    557 let mayLoad=1 in {
    558 def LDWSP_ru6 : _FRU6<0b010111, (outs GRRegs:$a), (ins i32imm:$b),
    559                       "ldw $a, sp[$b]", []>;
    560 
    561 def LDWSP_lru6 : _FLRU6<0b010111, (outs GRRegs:$a), (ins i32imm:$b),
    562                         "ldw $a, sp[$b]", []>;
    563 }
    564 
    565 let neverHasSideEffects = 1 in {
    566 def LDAWSP_ru6 : _FRU6<0b011001, (outs GRRegs:$a), (ins i32imm:$b),
    567                        "ldaw $a, sp[$b]", []>;
    568 
    569 def LDAWSP_lru6 : _FLRU6<0b011001, (outs GRRegs:$a), (ins i32imm:$b),
    570                          "ldaw $a, sp[$b]", []>;
    571 
    572 let isCodeGenOnly = 1 in
    573 def LDAWSP_ru6_RRegs : _FRU6<0b011001, (outs RRegs:$a), (ins i32imm:$b),
    574                              "ldaw $a, sp[$b]", []>;
    575 
    576 let isCodeGenOnly = 1 in
    577 def LDAWSP_lru6_RRegs : _FLRU6<0b011001, (outs RRegs:$a), (ins i32imm:$b),
    578                                "ldaw $a, sp[$b]", []>;
    579 }
    580 }
    581 
    582 let isReMaterializable = 1 in {
    583 def LDC_ru6 : _FRU6<0b011010, (outs GRRegs:$a), (ins i32imm:$b),
    584                     "ldc $a, $b", [(set GRRegs:$a, immU6:$b)]>;
    585 
    586 def LDC_lru6 : _FLRU6<0b011010, (outs GRRegs:$a), (ins i32imm:$b),
    587                       "ldc $a, $b", [(set GRRegs:$a, immU16:$b)]>;
    588 }
    589 
    590 def SETC_ru6 : _FRU6<0b111010, (outs), (ins GRRegs:$a, i32imm:$b),
    591                      "setc res[$a], $b",
    592                      [(int_xcore_setc GRRegs:$a, immU6:$b)]>;
    593 
    594 def SETC_lru6 : _FLRU6<0b111010, (outs), (ins GRRegs:$a, i32imm:$b),
    595                        "setc res[$a], $b",
    596                        [(int_xcore_setc GRRegs:$a, immU16:$b)]>;
    597 
    598 // Operand register - U6
    599 let isBranch = 1, isTerminator = 1 in {
    600 defm BRFT: FRU6_LRU6_branch<0b011100, "bt">;
    601 defm BRBT: FRU6_LRU6_backwards_branch<0b011101, "bt">;
    602 defm BRFF: FRU6_LRU6_branch<0b011110, "bf">;
    603 defm BRBF: FRU6_LRU6_backwards_branch<0b011111, "bf">;
    604 }
    605 
    606 // U6
    607 let Defs = [SP], Uses = [SP] in {
    608 let neverHasSideEffects = 1 in
    609 defm EXTSP : FU6_LU6_np<0b0111011110, "extsp">;
    610 
    611 let mayStore = 1 in
    612 defm ENTSP : FU6_LU6_np<0b0111011101, "entsp">;
    613 
    614 let isReturn = 1, isTerminator = 1, mayLoad = 1, isBarrier = 1 in {
    615 defm RETSP : FU6_LU6<0b0111011111, "retsp", XCoreRetsp>;
    616 }
    617 }
    618 
    619 let neverHasSideEffects = 1 in
    620 defm EXTDP : FU6_LU6_np<0b0111001110, "extdp">;
    621 
    622 let Uses = [R11], isCall=1 in
    623 defm BLAT : FU6_LU6_np<0b0111001101, "blat">;
    624 
    625 let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
    626 def BRBU_u6 : _FU6<0b0111011100, (outs), (ins brtarget:$a), "bu -$a", []>;
    627 
    628 def BRBU_lu6 : _FLU6<0b0111011100, (outs), (ins brtarget:$a), "bu -$a", []>;
    629 
    630 def BRFU_u6 : _FU6<0b0111001100, (outs), (ins brtarget:$a), "bu $a", []>;
    631 
    632 def BRFU_lu6 : _FLU6<0b0111001100, (outs), (ins brtarget:$a), "bu $a", []>;
    633 }
    634 
    635 //let Uses = [CP] in ...
    636 let Defs = [R11], neverHasSideEffects = 1, isReMaterializable = 1 in
    637 def LDAWCP_u6: _FU6<0b0111111101, (outs), (ins MEMii:$a), "ldaw r11, cp[$a]",
    638                     []>;
    639 
    640 let Defs = [R11], isReMaterializable = 1 in
    641 def LDAWCP_lu6: _FLU6<0b0111111101, (outs), (ins MEMii:$a), "ldaw r11, cp[$a]",
    642                       [(set R11, ADDRcpii:$a)]>;
    643 
    644 let Defs = [R11] in
    645 defm GETSR : FU6_LU6_np<0b0111111100, "getsr r11,">;
    646 
    647 defm SETSR : FU6_LU6_int<0b0111101101, "setsr", int_xcore_setsr>;
    648 
    649 defm CLRSR : FU6_LU6_int<0b0111101100, "clrsr", int_xcore_clrsr>;
    650 
    651 // setsr may cause a branch if it is used to enable events. clrsr may
    652 // branch if it is executed while events are enabled.
    653 let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1,
    654     isCodeGenOnly = 1 in {
    655 defm SETSR_branch : FU6_LU6_np<0b0111101101, "setsr">;
    656 defm CLRSR_branch : FU6_LU6_np<0b0111101100, "clrsr">;
    657 }
    658 
    659 defm KCALL : FU6_LU6_np<0b0111001111, "kcall">;
    660 
    661 let Uses = [SP], Defs = [SP], mayStore = 1 in
    662 defm KENTSP : FU6_LU6_np<0b0111101110, "kentsp">;
    663 
    664 let Uses = [SP], Defs = [SP], mayLoad = 1 in
    665 defm KRESTSP : FU6_LU6_np<0b0111101111, "krestsp">;
    666 
    667 // U10
    668 
    669 let Defs = [R11], isReMaterializable = 1, neverHasSideEffects = 1 in
    670 def LDAPF_u10 : _FU10<0b110110, (outs), (ins i32imm:$a), "ldap r11, $a", []>;
    671 
    672 let Defs = [R11], isReMaterializable = 1 in
    673 def LDAPF_lu10 : _FLU10<0b110110, (outs), (ins i32imm:$a), "ldap r11, $a",
    674                         [(set R11, (pcrelwrapper tglobaladdr:$a))]>;
    675 
    676 let Defs = [R11], isReMaterializable = 1, isCodeGenOnly = 1 in
    677 def LDAPF_lu10_ba : _FLU10<0b110110, (outs), (ins i32imm:$a), "ldap r11, $a",
    678                            [(set R11, (pcrelwrapper tblockaddress:$a))]>;
    679 
    680 let isCall=1,
    681 // All calls clobber the link register and the non-callee-saved registers:
    682 Defs = [R0, R1, R2, R3, R11, LR], Uses = [SP] in {
    683 def BLACP_u10 : _FU10<0b111000, (outs), (ins i32imm:$a), "bla cp[$a]", []>;
    684 
    685 def BLACP_lu10 : _FLU10<0b111000, (outs), (ins i32imm:$a), "bla cp[$a]", []>;
    686 
    687 def BLRF_u10 : _FU10<0b110100, (outs), (ins calltarget:$a), "bl $a",
    688                      [(XCoreBranchLink immU10:$a)]>;
    689 
    690 def BLRF_lu10 : _FLU10<0b110100, (outs), (ins calltarget:$a), "bl $a",
    691                        [(XCoreBranchLink immU20:$a)]>;
    692 }
    693 
    694 let Defs = [R11], mayLoad = 1, isReMaterializable = 1,
    695     neverHasSideEffects = 1 in {
    696 def LDWCP_u10 : _FU10<0b111001, (outs), (ins i32imm:$a), "ldw r11, cp[$a]", []>;
    697 
    698 def LDWCP_lu10 : _FLU10<0b111001, (outs), (ins i32imm:$a), "ldw r11, cp[$a]",
    699                         []>;
    700 }
    701 
    702 // Two operand short
    703 def NOT : _F2R<0b100010, (outs GRRegs:$dst), (ins GRRegs:$b),
    704                 "not $dst, $b", [(set GRRegs:$dst, (not GRRegs:$b))]>;
    705 
    706 def NEG : _F2R<0b100100, (outs GRRegs:$dst), (ins GRRegs:$b),
    707                 "neg $dst, $b", [(set GRRegs:$dst, (ineg GRRegs:$b))]>;
    708 
    709 let Constraints = "$src1 = $dst" in {
    710 def SEXT_rus :
    711   _FRUSSrcDstBitp<0b001101, (outs GRRegs:$dst), (ins GRRegs:$src1, i32imm:$src2),
    712                   "sext $dst, $src2",
    713                   [(set GRRegs:$dst, (int_xcore_sext GRRegs:$src1,
    714                                                      immBitp:$src2))]>;
    715 
    716 def SEXT_2r :
    717   _F2RSrcDst<0b001100, (outs GRRegs:$dst), (ins GRRegs:$src1, GRRegs:$src2),
    718              "sext $dst, $src2",
    719              [(set GRRegs:$dst, (int_xcore_sext GRRegs:$src1, GRRegs:$src2))]>;
    720 
    721 def ZEXT_rus :
    722   _FRUSSrcDstBitp<0b010001, (outs GRRegs:$dst), (ins GRRegs:$src1, i32imm:$src2),
    723                   "zext $dst, $src2",
    724                   [(set GRRegs:$dst, (int_xcore_zext GRRegs:$src1,
    725                                                      immBitp:$src2))]>;
    726 
    727 def ZEXT_2r :
    728   _F2RSrcDst<0b010000, (outs GRRegs:$dst), (ins GRRegs:$src1, GRRegs:$src2),
    729              "zext $dst, $src2",
    730              [(set GRRegs:$dst, (int_xcore_zext GRRegs:$src1, GRRegs:$src2))]>;
    731 
    732 def ANDNOT_2r :
    733   _F2RSrcDst<0b001010, (outs GRRegs:$dst), (ins GRRegs:$src1, GRRegs:$src2),
    734              "andnot $dst, $src2",
    735              [(set GRRegs:$dst, (and GRRegs:$src1, (not GRRegs:$src2)))]>;
    736 }
    737 
    738 let isReMaterializable = 1, neverHasSideEffects = 1 in
    739 def MKMSK_rus : _FRUSBitp<0b101001, (outs GRRegs:$dst), (ins i32imm:$size),
    740                           "mkmsk $dst, $size", []>;
    741 
    742 def MKMSK_2r : _F2R<0b101000, (outs GRRegs:$dst), (ins GRRegs:$size),
    743                     "mkmsk $dst, $size",
    744                     [(set GRRegs:$dst, (add (shl 1, GRRegs:$size), -1))]>;
    745 
    746 def GETR_rus : _FRUS<0b100000, (outs GRRegs:$dst), (ins i32imm:$type),
    747                      "getr $dst, $type",
    748                      [(set GRRegs:$dst, (int_xcore_getr immUs:$type))]>;
    749 
    750 def GETTS_2r : _F2R<0b001110, (outs GRRegs:$dst), (ins GRRegs:$r),
    751                     "getts $dst, res[$r]",
    752                     [(set GRRegs:$dst, (int_xcore_getts GRRegs:$r))]>;
    753 
    754 def SETPT_2r : _FR2R<0b001111, (outs), (ins GRRegs:$r, GRRegs:$val),
    755                      "setpt res[$r], $val",
    756                      [(int_xcore_setpt GRRegs:$r, GRRegs:$val)]>;
    757 
    758 def OUTCT_2r : _F2R<0b010010, (outs), (ins GRRegs:$r, GRRegs:$val),
    759                     "outct res[$r], $val",
    760                     [(int_xcore_outct GRRegs:$r, GRRegs:$val)]>;
    761 
    762 def OUTCT_rus : _FRUS<0b010011, (outs), (ins GRRegs:$r, i32imm:$val),
    763                        "outct res[$r], $val",
    764                        [(int_xcore_outct GRRegs:$r, immUs:$val)]>;
    765 
    766 def OUTT_2r : _FR2R<0b000011, (outs), (ins GRRegs:$r, GRRegs:$val),
    767                     "outt res[$r], $val",
    768                     [(int_xcore_outt GRRegs:$r, GRRegs:$val)]>;
    769 
    770 def OUT_2r : _FR2R<0b101010, (outs), (ins GRRegs:$r, GRRegs:$val),
    771                    "out res[$r], $val",
    772                    [(int_xcore_out GRRegs:$r, GRRegs:$val)]>;
    773 
    774 let Constraints = "$src = $dst" in
    775 def OUTSHR_2r :
    776   _F2RSrcDst<0b101011, (outs GRRegs:$dst), (ins GRRegs:$src, GRRegs:$r),
    777              "outshr res[$r], $src",
    778              [(set GRRegs:$dst, (int_xcore_outshr GRRegs:$r, GRRegs:$src))]>;
    779 
    780 def INCT_2r : _F2R<0b100001, (outs GRRegs:$dst), (ins GRRegs:$r),
    781                    "inct $dst, res[$r]",
    782                    [(set GRRegs:$dst, (int_xcore_inct GRRegs:$r))]>;
    783 
    784 def INT_2r : _F2R<0b100011, (outs GRRegs:$dst), (ins GRRegs:$r),
    785                   "int $dst, res[$r]",
    786                   [(set GRRegs:$dst, (int_xcore_int GRRegs:$r))]>;
    787 
    788 def IN_2r : _F2R<0b101100, (outs GRRegs:$dst), (ins GRRegs:$r),
    789                  "in $dst, res[$r]",
    790                  [(set GRRegs:$dst, (int_xcore_in GRRegs:$r))]>;
    791 
    792 let Constraints = "$src = $dst" in
    793 def INSHR_2r :
    794   _F2RSrcDst<0b101101, (outs GRRegs:$dst), (ins GRRegs:$src, GRRegs:$r),
    795              "inshr $dst, res[$r]",
    796              [(set GRRegs:$dst, (int_xcore_inshr GRRegs:$r, GRRegs:$src))]>;
    797 
    798 def CHKCT_2r : _F2R<0b110010, (outs), (ins GRRegs:$r, GRRegs:$val),
    799                     "chkct res[$r], $val",
    800                     [(int_xcore_chkct GRRegs:$r, GRRegs:$val)]>;
    801 
    802 def CHKCT_rus : _FRUSBitp<0b110011, (outs), (ins GRRegs:$r, i32imm:$val),
    803                           "chkct res[$r], $val",
    804                           [(int_xcore_chkct GRRegs:$r, immUs:$val)]>;
    805 
    806 def TESTCT_2r : _F2R<0b101111, (outs GRRegs:$dst), (ins GRRegs:$src),
    807                      "testct $dst, res[$src]",
    808                      [(set GRRegs:$dst, (int_xcore_testct GRRegs:$src))]>;
    809 
    810 def TESTWCT_2r : _F2R<0b110001, (outs GRRegs:$dst), (ins GRRegs:$src),
    811                       "testwct $dst, res[$src]",
    812                       [(set GRRegs:$dst, (int_xcore_testwct GRRegs:$src))]>;
    813 
    814 def SETD_2r : _FR2R<0b000101, (outs), (ins GRRegs:$r, GRRegs:$val),
    815                     "setd res[$r], $val",
    816                     [(int_xcore_setd GRRegs:$r, GRRegs:$val)]>;
    817 
    818 def SETPSC_2r : _FR2R<0b110000, (outs), (ins GRRegs:$src1, GRRegs:$src2),
    819                       "setpsc res[$src1], $src2",
    820                       [(int_xcore_setpsc GRRegs:$src1, GRRegs:$src2)]>;
    821 
    822 def GETST_2r : _F2R<0b000001, (outs GRRegs:$dst), (ins GRRegs:$r),
    823                     "getst $dst, res[$r]",
    824                     [(set GRRegs:$dst, (int_xcore_getst GRRegs:$r))]>;
    825 
    826 def INITSP_2r : _F2R<0b000100, (outs), (ins GRRegs:$src, GRRegs:$t),
    827                      "init t[$t]:sp, $src",
    828                      [(int_xcore_initsp GRRegs:$t, GRRegs:$src)]>;
    829 
    830 def INITPC_2r : _F2R<0b000000, (outs), (ins GRRegs:$src, GRRegs:$t),
    831                      "init t[$t]:pc, $src",
    832                      [(int_xcore_initpc GRRegs:$t, GRRegs:$src)]>;
    833 
    834 def INITCP_2r : _F2R<0b000110, (outs), (ins GRRegs:$src, GRRegs:$t),
    835                      "init t[$t]:cp, $src",
    836                      [(int_xcore_initcp GRRegs:$t, GRRegs:$src)]>;
    837 
    838 def INITDP_2r : _F2R<0b000010, (outs), (ins GRRegs:$src, GRRegs:$t),
    839                      "init t[$t]:dp, $src",
    840                      [(int_xcore_initdp GRRegs:$t, GRRegs:$src)]>;
    841 
    842 def PEEK_2r : _F2R<0b101110, (outs GRRegs:$dst), (ins GRRegs:$src),
    843                     "peek $dst, res[$src]",
    844                     [(set GRRegs:$dst, (int_xcore_peek GRRegs:$src))]>;
    845 
    846 def ENDIN_2r : _F2R<0b100101, (outs GRRegs:$dst), (ins GRRegs:$src),
    847                      "endin $dst, res[$src]",
    848                      [(set GRRegs:$dst, (int_xcore_endin GRRegs:$src))]>;
    849 
    850 def EEF_2r : _F2R<0b001011, (outs), (ins GRRegs:$a, GRRegs:$b),
    851                   "eef $a, res[$b]", []>;
    852 
    853 def EET_2r : _F2R<0b001001, (outs), (ins GRRegs:$a, GRRegs:$b),
    854                   "eet $a, res[$b]", []>;
    855 
    856 def TSETMR_2r : _F2RImm<0b000111, (outs), (ins i32imm:$a, GRRegs:$b),
    857                         "tsetmr r$a, $b", []>;
    858 
    859 // Two operand long
    860 def BITREV_l2r : _FL2R<0b0000011000, (outs GRRegs:$dst), (ins GRRegs:$src),
    861                        "bitrev $dst, $src",
    862                        [(set GRRegs:$dst, (int_xcore_bitrev GRRegs:$src))]>;
    863 
    864 def BYTEREV_l2r : _FL2R<0b0000011001, (outs GRRegs:$dst), (ins GRRegs:$src),
    865                         "byterev $dst, $src",
    866                         [(set GRRegs:$dst, (bswap GRRegs:$src))]>;
    867 
    868 def CLZ_l2r : _FL2R<0b000111000, (outs GRRegs:$dst), (ins GRRegs:$src),
    869                     "clz $dst, $src",
    870                     [(set GRRegs:$dst, (ctlz GRRegs:$src))]>;
    871 
    872 def GETD_l2r : _FL2R<0b0001111001, (outs GRRegs:$dst), (ins GRRegs:$src),
    873                      "getd $dst, res[$src]", []>;
    874 
    875 def GETN_l2r : _FL2R<0b0011011001, (outs GRRegs:$dst), (ins GRRegs:$src),
    876                      "getn $dst, res[$src]", []>;
    877 
    878 def SETC_l2r : _FL2R<0b0010111001, (outs), (ins GRRegs:$r, GRRegs:$val),
    879                      "setc res[$r], $val",
    880                      [(int_xcore_setc GRRegs:$r, GRRegs:$val)]>;
    881 
    882 def SETTW_l2r : _FLR2R<0b0010011001, (outs), (ins GRRegs:$r, GRRegs:$val),
    883                        "settw res[$r], $val",
    884                        [(int_xcore_settw GRRegs:$r, GRRegs:$val)]>;
    885 
    886 def GETPS_l2r : _FL2R<0b0001011001, (outs GRRegs:$dst), (ins GRRegs:$src),
    887                       "get $dst, ps[$src]",
    888                       [(set GRRegs:$dst, (int_xcore_getps GRRegs:$src))]>;
    889 
    890 def SETPS_l2r : _FLR2R<0b0001111000, (outs), (ins GRRegs:$src1, GRRegs:$src2),
    891                        "set ps[$src1], $src2",
    892                        [(int_xcore_setps GRRegs:$src1, GRRegs:$src2)]>;
    893 
    894 def INITLR_l2r : _FL2R<0b0001011000, (outs), (ins GRRegs:$src, GRRegs:$t),
    895                        "init t[$t]:lr, $src",
    896                        [(int_xcore_initlr GRRegs:$t, GRRegs:$src)]>;
    897 
    898 def SETCLK_l2r : _FLR2R<0b0000111001, (outs), (ins GRRegs:$src1, GRRegs:$src2),
    899                         "setclk res[$src1], $src2",
    900                         [(int_xcore_setclk GRRegs:$src1, GRRegs:$src2)]>;
    901 
    902 def SETN_l2r : _FLR2R<0b0011011000, (outs), (ins GRRegs:$src1, GRRegs:$src2),
    903                       "setn res[$src1], $src2", []>;
    904 
    905 def SETRDY_l2r : _FLR2R<0b0010111000, (outs), (ins GRRegs:$src1, GRRegs:$src2),
    906                         "setrdy res[$src1], $src2",
    907                         [(int_xcore_setrdy GRRegs:$src1, GRRegs:$src2)]>;
    908 
    909 def TESTLCL_l2r : _FL2R<0b0010011000, (outs GRRegs:$dst), (ins GRRegs:$src),
    910                         "testlcl $dst, res[$src]", []>;
    911 
    912 // One operand short
    913 def MSYNC_1r : _F1R<0b000111, (outs), (ins GRRegs:$a),
    914                     "msync res[$a]",
    915                     [(int_xcore_msync GRRegs:$a)]>;
    916 def MJOIN_1r : _F1R<0b000101, (outs), (ins GRRegs:$a),
    917                     "mjoin res[$a]",
    918                     [(int_xcore_mjoin GRRegs:$a)]>;
    919 
    920 let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1 in
    921 def BAU_1r : _F1R<0b001001, (outs), (ins GRRegs:$a),
    922                  "bau $a",
    923                  [(brind GRRegs:$a)]>;
    924 
    925 let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1 in
    926 def BR_JT : PseudoInstXCore<(outs), (ins InlineJT:$t, GRRegs:$i),
    927                             "bru $i\n$t",
    928                             [(XCoreBR_JT tjumptable:$t, GRRegs:$i)]>;
    929 
    930 let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1 in
    931 def BR_JT32 : PseudoInstXCore<(outs), (ins InlineJT32:$t, GRRegs:$i),
    932                               "bru $i\n$t",
    933                               [(XCoreBR_JT32 tjumptable:$t, GRRegs:$i)]>;
    934 
    935 let Defs=[SP], neverHasSideEffects=1 in
    936 def SETSP_1r : _F1R<0b001011, (outs), (ins GRRegs:$a), "set sp, $a", []>;
    937 
    938 let neverHasSideEffects=1 in
    939 def SETDP_1r : _F1R<0b001100, (outs), (ins GRRegs:$a), "set dp, $a", []>;
    940 
    941 let neverHasSideEffects=1 in
    942 def SETCP_1r : _F1R<0b001101, (outs), (ins GRRegs:$a), "set cp, $a", []>;
    943 
    944 let hasCtrlDep = 1 in 
    945 def ECALLT_1r : _F1R<0b010011, (outs), (ins GRRegs:$a),
    946                  "ecallt $a",
    947                  []>;
    948 
    949 let hasCtrlDep = 1 in 
    950 def ECALLF_1r : _F1R<0b010010, (outs), (ins GRRegs:$a),
    951                  "ecallf $a",
    952                  []>;
    953 
    954 let isCall=1, 
    955 // All calls clobber the link register and the non-callee-saved registers:
    956 Defs = [R0, R1, R2, R3, R11, LR], Uses = [SP] in {
    957 def BLA_1r : _F1R<0b001000, (outs), (ins GRRegs:$a),
    958                  "bla $a",
    959                  [(XCoreBranchLink GRRegs:$a)]>;
    960 }
    961 
    962 def SYNCR_1r : _F1R<0b100001, (outs), (ins GRRegs:$a),
    963                  "syncr res[$a]",
    964                  [(int_xcore_syncr GRRegs:$a)]>;
    965 
    966 def FREER_1r : _F1R<0b000100, (outs), (ins GRRegs:$a),
    967                "freer res[$a]",
    968                [(int_xcore_freer GRRegs:$a)]>;
    969 
    970 let Uses=[R11] in {
    971 def SETV_1r : _F1R<0b010001, (outs), (ins GRRegs:$a),
    972                    "setv res[$a], r11",
    973                    [(int_xcore_setv GRRegs:$a, R11)]>;
    974 
    975 def SETEV_1r : _F1R<0b001111, (outs), (ins GRRegs:$a),
    976                     "setev res[$a], r11",
    977                     [(int_xcore_setev GRRegs:$a, R11)]>;
    978 }
    979 
    980 def DGETREG_1r : _F1R<0b001110, (outs GRRegs:$a), (ins), "dgetreg $a", []>;
    981 
    982 def EDU_1r : _F1R<0b000000, (outs), (ins GRRegs:$a), "edu res[$a]", []>;
    983 
    984 def EEU_1r : _F1R<0b000001, (outs), (ins GRRegs:$a),
    985                "eeu res[$a]",
    986                [(int_xcore_eeu GRRegs:$a)]>;
    987 
    988 def KCALL_1r : _F1R<0b010000, (outs), (ins GRRegs:$a), "kcall $a", []>;
    989 
    990 def WAITEF_1R : _F1R<0b000011, (outs), (ins GRRegs:$a), "waitef $a", []>;
    991 
    992 def WAITET_1R : _F1R<0b000010, (outs), (ins GRRegs:$a), "waitet $a", []>;
    993 
    994 def TSTART_1R : _F1R<0b000110, (outs), (ins GRRegs:$a), "start t[$a]", []>;
    995 
    996 def CLRPT_1R : _F1R<0b100000, (outs), (ins GRRegs:$a), "clrpt res[$a]", []>;
    997 
    998 // Zero operand short
    999 
   1000 def CLRE_0R : _F0R<0b0000001101, (outs), (ins), "clre", [(int_xcore_clre)]>;
   1001 
   1002 def DCALL_0R : _F0R<0b0000011100, (outs), (ins), "dcall", []>;
   1003 
   1004 let Defs = [SP], Uses = [SP] in
   1005 def DENTSP_0R : _F0R<0b0001001100, (outs), (ins), "dentsp", []>;
   1006 
   1007 let Defs = [SP] in
   1008 def DRESTSP_0R : _F0R<0b0001001101, (outs), (ins), "drestsp", []>;
   1009 
   1010 def DRET_0R : _F0R<0b0000011110, (outs), (ins), "dret", []>;
   1011 
   1012 def FREET_0R : _F0R<0b0000001111, (outs), (ins), "freet", []>;
   1013 
   1014 let Defs = [R11] in {
   1015 def GETID_0R : _F0R<0b0001001110, (outs), (ins),
   1016                     "get r11, id",
   1017                     [(set R11, (int_xcore_getid))]>;
   1018 
   1019 def GETED_0R : _F0R<0b0000111110, (outs), (ins),
   1020                     "get r11, ed",
   1021                     [(set R11, (int_xcore_geted))]>;
   1022 
   1023 def GETET_0R : _F0R<0b0000111111, (outs), (ins),
   1024                     "get r11, et",
   1025                     [(set R11, (int_xcore_getet))]>;
   1026 
   1027 def GETKEP_0R : _F0R<0b0001001111, (outs), (ins),
   1028                      "get r11, kep", []>;
   1029 
   1030 def GETKSP_0R : _F0R<0b0001011100, (outs), (ins),
   1031                      "get r11, ksp", []>;
   1032 }
   1033 
   1034 let Defs = [SP] in
   1035 def KRET_0R : _F0R<0b0000011101, (outs), (ins), "kret", []>;
   1036 
   1037 let Uses = [SP], mayLoad = 1 in {
   1038 def LDET_0R : _F0R<0b0001011110, (outs), (ins), "ldw et, sp[4]", []>;
   1039 
   1040 def LDSED_0R : _F0R<0b0001011101, (outs), (ins), "ldw sed, sp[3]", []>;
   1041 
   1042 def LDSPC_0R : _F0R<0b0000101100, (outs), (ins), "ldw spc, sp[1]", []>;
   1043 
   1044 def LDSSR_0R : _F0R<0b0000101110, (outs), (ins), "ldw ssr, sp[2]", []>;
   1045 }
   1046 
   1047 let Uses=[R11] in
   1048 def SETKEP_0R : _F0R<0b0000011111, (outs), (ins), "set kep, r11", []>;
   1049 
   1050 def SSYNC_0r : _F0R<0b0000001110, (outs), (ins),
   1051                     "ssync",
   1052                     [(int_xcore_ssync)]>;
   1053 
   1054 let Uses = [SP], mayStore = 1 in {
   1055 def STET_0R : _F0R<0b0000111101, (outs), (ins), "stw et, sp[4]", []>;
   1056 
   1057 def STSED_0R : _F0R<0b0000111100, (outs), (ins), "stw sed, sp[3]", []>;
   1058 
   1059 def STSPC_0R : _F0R<0b0000101101, (outs), (ins), "stw spc, sp[1]", []>;
   1060 
   1061 def STSSR_0R : _F0R<0b0000101111, (outs), (ins), "stw ssr, sp[2]", []>;
   1062 }
   1063 
   1064 let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1,
   1065     hasSideEffects = 1 in
   1066 def WAITEU_0R : _F0R<0b0000001100, (outs), (ins),
   1067                      "waiteu",
   1068                      [(brind (int_xcore_waitevent))]>;
   1069 
   1070 //===----------------------------------------------------------------------===//
   1071 // Non-Instruction Patterns
   1072 //===----------------------------------------------------------------------===//
   1073 
   1074 def : Pat<(XCoreBranchLink tglobaladdr:$addr), (BLRF_lu10 tglobaladdr:$addr)>;
   1075 def : Pat<(XCoreBranchLink texternalsym:$addr), (BLRF_lu10 texternalsym:$addr)>;
   1076 
   1077 /// sext_inreg
   1078 def : Pat<(sext_inreg GRRegs:$b, i1), (SEXT_rus GRRegs:$b, 1)>;
   1079 def : Pat<(sext_inreg GRRegs:$b, i8), (SEXT_rus GRRegs:$b, 8)>;
   1080 def : Pat<(sext_inreg GRRegs:$b, i16), (SEXT_rus GRRegs:$b, 16)>;
   1081 
   1082 /// loads
   1083 def : Pat<(zextloadi8 (add GRRegs:$addr, GRRegs:$offset)),
   1084           (LD8U_3r GRRegs:$addr, GRRegs:$offset)>;
   1085 def : Pat<(zextloadi8 GRRegs:$addr), (LD8U_3r GRRegs:$addr, (LDC_ru6 0))>;
   1086 
   1087 def : Pat<(sextloadi16 (lda16f GRRegs:$addr, GRRegs:$offset)),
   1088           (LD16S_3r GRRegs:$addr, GRRegs:$offset)>;
   1089 def : Pat<(sextloadi16 GRRegs:$addr), (LD16S_3r GRRegs:$addr, (LDC_ru6 0))>;
   1090 
   1091 def : Pat<(load (ldawf GRRegs:$addr, GRRegs:$offset)),
   1092           (LDW_3r GRRegs:$addr, GRRegs:$offset)>;
   1093 def : Pat<(load (add GRRegs:$addr, immUs4:$offset)),
   1094           (LDW_2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
   1095 def : Pat<(load GRRegs:$addr), (LDW_2rus GRRegs:$addr, 0)>;
   1096 
   1097 /// anyext
   1098 def : Pat<(extloadi8 (add GRRegs:$addr, GRRegs:$offset)),
   1099           (LD8U_3r GRRegs:$addr, GRRegs:$offset)>;
   1100 def : Pat<(extloadi8 GRRegs:$addr), (LD8U_3r GRRegs:$addr, (LDC_ru6 0))>;
   1101 def : Pat<(extloadi16 (lda16f GRRegs:$addr, GRRegs:$offset)),
   1102           (LD16S_3r GRRegs:$addr, GRRegs:$offset)>;
   1103 def : Pat<(extloadi16 GRRegs:$addr), (LD16S_3r GRRegs:$addr, (LDC_ru6 0))>;
   1104 
   1105 /// stores
   1106 def : Pat<(truncstorei8 GRRegs:$val, (add GRRegs:$addr, GRRegs:$offset)),
   1107           (ST8_l3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
   1108 def : Pat<(truncstorei8 GRRegs:$val, GRRegs:$addr),
   1109           (ST8_l3r GRRegs:$val, GRRegs:$addr, (LDC_ru6 0))>;
   1110           
   1111 def : Pat<(truncstorei16 GRRegs:$val, (lda16f GRRegs:$addr, GRRegs:$offset)),
   1112           (ST16_l3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
   1113 def : Pat<(truncstorei16 GRRegs:$val, GRRegs:$addr),
   1114           (ST16_l3r GRRegs:$val, GRRegs:$addr, (LDC_ru6 0))>;
   1115 
   1116 def : Pat<(store GRRegs:$val, (ldawf GRRegs:$addr, GRRegs:$offset)),
   1117           (STW_l3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
   1118 def : Pat<(store GRRegs:$val, (add GRRegs:$addr, immUs4:$offset)),
   1119           (STW_2rus GRRegs:$val, GRRegs:$addr, (div4_xform immUs4:$offset))>;
   1120 def : Pat<(store GRRegs:$val, GRRegs:$addr),
   1121           (STW_2rus GRRegs:$val, GRRegs:$addr, 0)>;
   1122 
   1123 /// cttz
   1124 def : Pat<(cttz GRRegs:$src), (CLZ_l2r (BITREV_l2r GRRegs:$src))>;
   1125 
   1126 /// trap
   1127 def : Pat<(trap), (ECALLF_1r (LDC_ru6 0))>;
   1128 
   1129 ///
   1130 /// branch patterns
   1131 ///
   1132 
   1133 // unconditional branch
   1134 def : Pat<(br bb:$addr), (BRFU_lu6 bb:$addr)>;
   1135 
   1136 // direct match equal/notequal zero brcond
   1137 def : Pat<(brcond (setne GRRegs:$lhs, 0), bb:$dst),
   1138           (BRFT_lru6 GRRegs:$lhs, bb:$dst)>;
   1139 def : Pat<(brcond (seteq GRRegs:$lhs, 0), bb:$dst),
   1140           (BRFF_lru6 GRRegs:$lhs, bb:$dst)>;
   1141 
   1142 def : Pat<(brcond (setle GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
   1143           (BRFF_lru6 (LSS_3r GRRegs:$rhs, GRRegs:$lhs), bb:$dst)>;
   1144 def : Pat<(brcond (setule GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
   1145           (BRFF_lru6 (LSU_3r GRRegs:$rhs, GRRegs:$lhs), bb:$dst)>;
   1146 def : Pat<(brcond (setge GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
   1147           (BRFF_lru6 (LSS_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
   1148 def : Pat<(brcond (setuge GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
   1149           (BRFF_lru6 (LSU_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
   1150 def : Pat<(brcond (setne GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
   1151           (BRFF_lru6 (EQ_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
   1152 def : Pat<(brcond (setne GRRegs:$lhs, immUs:$rhs), bb:$dst),
   1153           (BRFF_lru6 (EQ_2rus GRRegs:$lhs, immUs:$rhs), bb:$dst)>;
   1154 
   1155 // generic brcond pattern
   1156 def : Pat<(brcond GRRegs:$cond, bb:$addr), (BRFT_lru6 GRRegs:$cond, bb:$addr)>;
   1157 
   1158 
   1159 ///
   1160 /// Select patterns
   1161 ///
   1162 
   1163 // direct match equal/notequal zero select
   1164 def : Pat<(select (setne GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
   1165         (SELECT_CC GRRegs:$lhs, GRRegs:$T, GRRegs:$F)>;
   1166 
   1167 def : Pat<(select (seteq GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
   1168         (SELECT_CC GRRegs:$lhs, GRRegs:$F, GRRegs:$T)>;
   1169 
   1170 def : Pat<(select (setle GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
   1171           (SELECT_CC (LSS_3r GRRegs:$rhs, GRRegs:$lhs), GRRegs:$F, GRRegs:$T)>;
   1172 def : Pat<(select (setule GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
   1173           (SELECT_CC (LSU_3r GRRegs:$rhs, GRRegs:$lhs), GRRegs:$F, GRRegs:$T)>;
   1174 def : Pat<(select (setge GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
   1175           (SELECT_CC (LSS_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
   1176 def : Pat<(select (setuge GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
   1177           (SELECT_CC (LSU_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
   1178 def : Pat<(select (setne GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
   1179           (SELECT_CC (EQ_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
   1180 def : Pat<(select (setne GRRegs:$lhs, immUs:$rhs), GRRegs:$T, GRRegs:$F),
   1181           (SELECT_CC (EQ_2rus GRRegs:$lhs, immUs:$rhs), GRRegs:$F, GRRegs:$T)>;
   1182 
   1183 ///
   1184 /// setcc patterns, only matched when none of the above brcond
   1185 /// patterns match
   1186 ///
   1187 
   1188 // setcc 2 register operands
   1189 def : Pat<(setle GRRegs:$lhs, GRRegs:$rhs),
   1190           (EQ_2rus (LSS_3r GRRegs:$rhs, GRRegs:$lhs), 0)>;
   1191 def : Pat<(setule GRRegs:$lhs, GRRegs:$rhs),
   1192           (EQ_2rus (LSU_3r GRRegs:$rhs, GRRegs:$lhs), 0)>;
   1193 
   1194 def : Pat<(setgt GRRegs:$lhs, GRRegs:$rhs),
   1195           (LSS_3r GRRegs:$rhs, GRRegs:$lhs)>;
   1196 def : Pat<(setugt GRRegs:$lhs, GRRegs:$rhs),
   1197           (LSU_3r GRRegs:$rhs, GRRegs:$lhs)>;
   1198 
   1199 def : Pat<(setge GRRegs:$lhs, GRRegs:$rhs),
   1200           (EQ_2rus (LSS_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
   1201 def : Pat<(setuge GRRegs:$lhs, GRRegs:$rhs),
   1202           (EQ_2rus (LSU_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
   1203 
   1204 def : Pat<(setlt GRRegs:$lhs, GRRegs:$rhs),
   1205           (LSS_3r GRRegs:$lhs, GRRegs:$rhs)>;
   1206 def : Pat<(setult GRRegs:$lhs, GRRegs:$rhs),
   1207           (LSU_3r GRRegs:$lhs, GRRegs:$rhs)>;
   1208 
   1209 def : Pat<(setne GRRegs:$lhs, GRRegs:$rhs),
   1210           (EQ_2rus (EQ_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
   1211 
   1212 def : Pat<(seteq GRRegs:$lhs, GRRegs:$rhs),
   1213           (EQ_3r GRRegs:$lhs, GRRegs:$rhs)>;
   1214 
   1215 // setcc reg/imm operands
   1216 def : Pat<(seteq GRRegs:$lhs, immUs:$rhs),
   1217           (EQ_2rus GRRegs:$lhs, immUs:$rhs)>;
   1218 def : Pat<(setne GRRegs:$lhs, immUs:$rhs),
   1219           (EQ_2rus (EQ_2rus GRRegs:$lhs, immUs:$rhs), 0)>;
   1220 
   1221 // misc
   1222 def : Pat<(add GRRegs:$addr, immUs4:$offset),
   1223           (LDAWF_l2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
   1224 
   1225 def : Pat<(sub GRRegs:$addr, immUs4:$offset),
   1226           (LDAWB_l2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
   1227 
   1228 def : Pat<(and GRRegs:$val, immMskBitp:$mask),
   1229           (ZEXT_rus GRRegs:$val, (msksize_xform immMskBitp:$mask))>;
   1230 
   1231 // (sub X, imm) gets canonicalized to (add X, -imm).  Match this form.
   1232 def : Pat<(add GRRegs:$src1, immUsNeg:$src2),
   1233           (SUB_2rus GRRegs:$src1, (neg_xform immUsNeg:$src2))>;
   1234 
   1235 def : Pat<(add GRRegs:$src1, immUs4Neg:$src2),
   1236           (LDAWB_l2rus GRRegs:$src1, (div4neg_xform immUs4Neg:$src2))>;
   1237 
   1238 ///
   1239 /// Some peepholes
   1240 ///
   1241 
   1242 def : Pat<(mul GRRegs:$src, 3),
   1243           (LDA16F_l3r GRRegs:$src, GRRegs:$src)>;
   1244 
   1245 def : Pat<(mul GRRegs:$src, 5),
   1246           (LDAWF_l3r GRRegs:$src, GRRegs:$src)>;
   1247 
   1248 def : Pat<(mul GRRegs:$src, -3),
   1249           (LDAWB_l3r GRRegs:$src, GRRegs:$src)>;
   1250 
   1251 // ashr X, 32 is equivalent to ashr X, 31 on the XCore.
   1252 def : Pat<(sra GRRegs:$src, 31),
   1253           (ASHR_l2rus GRRegs:$src, 32)>;
   1254 
   1255 def : Pat<(brcond (setlt GRRegs:$lhs, 0), bb:$dst),
   1256           (BRFT_lru6 (ASHR_l2rus GRRegs:$lhs, 32), bb:$dst)>;
   1257 
   1258 // setge X, 0 is canonicalized to setgt X, -1
   1259 def : Pat<(brcond (setgt GRRegs:$lhs, -1), bb:$dst),
   1260           (BRFF_lru6 (ASHR_l2rus GRRegs:$lhs, 32), bb:$dst)>;
   1261 
   1262 def : Pat<(select (setlt GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
   1263           (SELECT_CC (ASHR_l2rus GRRegs:$lhs, 32), GRRegs:$T, GRRegs:$F)>;
   1264 
   1265 def : Pat<(select (setgt GRRegs:$lhs, -1), GRRegs:$T, GRRegs:$F),
   1266           (SELECT_CC (ASHR_l2rus GRRegs:$lhs, 32), GRRegs:$F, GRRegs:$T)>;
   1267 
   1268 def : Pat<(setgt GRRegs:$lhs, -1),
   1269           (EQ_2rus (ASHR_l2rus GRRegs:$lhs, 32), 0)>;
   1270 
   1271 def : Pat<(sra (shl GRRegs:$src, immBpwSubBitp:$imm), immBpwSubBitp:$imm),
   1272           (SEXT_rus GRRegs:$src, (bpwsub_xform immBpwSubBitp:$imm))>;
   1273