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      1 //===-- PPCInstr64Bit.td - The PowerPC 64-bit Support ------*- 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 PowerPC 64-bit instructions.  These patterns are used
     11 // both when in ppc64 mode and when in "use 64-bit extensions in 32-bit" mode.
     12 //
     13 //===----------------------------------------------------------------------===//
     14 
     15 //===----------------------------------------------------------------------===//
     16 // 64-bit operands.
     17 //
     18 def s16imm64 : Operand<i64> {
     19   let PrintMethod = "printS16ImmOperand";
     20   let EncoderMethod = "getImm16Encoding";
     21   let ParserMatchClass = PPCS16ImmAsmOperand;
     22 }
     23 def u16imm64 : Operand<i64> {
     24   let PrintMethod = "printU16ImmOperand";
     25   let EncoderMethod = "getImm16Encoding";
     26   let ParserMatchClass = PPCU16ImmAsmOperand;
     27 }
     28 def s17imm64 : Operand<i64> {
     29   // This operand type is used for addis/lis to allow the assembler parser
     30   // to accept immediates in the range -65536..65535 for compatibility with
     31   // the GNU assembler.  The operand is treated as 16-bit otherwise.
     32   let PrintMethod = "printS16ImmOperand";
     33   let EncoderMethod = "getImm16Encoding";
     34   let ParserMatchClass = PPCS17ImmAsmOperand;
     35 }
     36 def tocentry : Operand<iPTR> {
     37   let MIOperandInfo = (ops i64imm:$imm);
     38 }
     39 def PPCTLSRegOperand : AsmOperandClass {
     40   let Name = "TLSReg"; let PredicateMethod = "isTLSReg";
     41   let RenderMethod = "addTLSRegOperands";
     42 }
     43 def tlsreg : Operand<i64> {
     44   let EncoderMethod = "getTLSRegEncoding";
     45   let ParserMatchClass = PPCTLSRegOperand;
     46 }
     47 def tlsgd : Operand<i64> {}
     48 def tlscall : Operand<i64> {
     49   let PrintMethod = "printTLSCall";
     50   let MIOperandInfo = (ops calltarget:$func, tlsgd:$sym);
     51   let EncoderMethod = "getTLSCallEncoding";
     52 }
     53 
     54 //===----------------------------------------------------------------------===//
     55 // 64-bit transformation functions.
     56 //
     57 
     58 def SHL64 : SDNodeXForm<imm, [{
     59   // Transformation function: 63 - imm
     60   return getI32Imm(63 - N->getZExtValue());
     61 }]>;
     62 
     63 def SRL64 : SDNodeXForm<imm, [{
     64   // Transformation function: 64 - imm
     65   return N->getZExtValue() ? getI32Imm(64 - N->getZExtValue()) : getI32Imm(0);
     66 }]>;
     67 
     68 def HI32_48 : SDNodeXForm<imm, [{
     69   // Transformation function: shift the immediate value down into the low bits.
     70   return getI32Imm((unsigned short)(N->getZExtValue() >> 32));
     71 }]>;
     72 
     73 def HI48_64 : SDNodeXForm<imm, [{
     74   // Transformation function: shift the immediate value down into the low bits.
     75   return getI32Imm((unsigned short)(N->getZExtValue() >> 48));
     76 }]>;
     77 
     78 
     79 //===----------------------------------------------------------------------===//
     80 // Calls.
     81 //
     82 
     83 let Interpretation64Bit = 1 in {
     84 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
     85   let isBranch = 1, isIndirectBranch = 1, Uses = [CTR8] in {
     86     def BCTR8 : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
     87         Requires<[In64BitMode]>;
     88 
     89     let isCodeGenOnly = 1 in
     90     def BCCTR8 : XLForm_2_br<19, 528, 0, (outs), (ins pred:$cond),
     91                              "b${cond:cc}ctr${cond:pm} ${cond:reg}", BrB, []>,
     92         Requires<[In64BitMode]>;
     93   }
     94 }
     95 
     96 let Defs = [LR8] in
     97   def MovePCtoLR8 : Pseudo<(outs), (ins), "#MovePCtoLR8", []>,
     98                     PPC970_Unit_BRU;
     99 
    100 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
    101   let Defs = [CTR8], Uses = [CTR8] in {
    102     def BDZ8  : BForm_1<16, 18, 0, 0, (outs), (ins condbrtarget:$dst),
    103                         "bdz $dst">;
    104     def BDNZ8 : BForm_1<16, 16, 0, 0, (outs), (ins condbrtarget:$dst),
    105                         "bdnz $dst">;
    106   }
    107 
    108   let isReturn = 1, Defs = [CTR8], Uses = [CTR8, LR8, RM] in {
    109     def BDZLR8  : XLForm_2_ext<19, 16, 18, 0, 0, (outs), (ins),
    110                               "bdzlr", BrB, []>;
    111     def BDNZLR8 : XLForm_2_ext<19, 16, 16, 0, 0, (outs), (ins),
    112                               "bdnzlr", BrB, []>;
    113   }
    114 }
    115 
    116 
    117 
    118 let isCall = 1, PPC970_Unit = 7, Defs = [LR8] in {
    119   // Convenient aliases for call instructions
    120   let Uses = [RM] in {
    121     def BL8  : IForm<18, 0, 1, (outs), (ins calltarget:$func),
    122                      "bl $func", BrB, []>;  // See Pat patterns below.
    123 
    124     def BL8_TLS  : IForm<18, 0, 1, (outs), (ins tlscall:$func),
    125                          "bl $func", BrB, []>;
    126 
    127     def BLA8 : IForm<18, 1, 1, (outs), (ins abscalltarget:$func),
    128                      "bla $func", BrB, [(PPCcall (i64 imm:$func))]>;
    129   }
    130   let Uses = [RM], isCodeGenOnly = 1 in {
    131     def BL8_NOP  : IForm_and_DForm_4_zero<18, 0, 1, 24,
    132                              (outs), (ins calltarget:$func),
    133                              "bl $func\n\tnop", BrB, []>;
    134 
    135     def BL8_NOP_TLS : IForm_and_DForm_4_zero<18, 0, 1, 24,
    136                                   (outs), (ins tlscall:$func),
    137                                   "bl $func\n\tnop", BrB, []>;
    138 
    139     def BLA8_NOP : IForm_and_DForm_4_zero<18, 1, 1, 24,
    140                              (outs), (ins abscalltarget:$func),
    141                              "bla $func\n\tnop", BrB,
    142                              [(PPCcall_nop (i64 imm:$func))]>;
    143   }
    144   let Uses = [CTR8, RM] in {
    145     def BCTRL8 : XLForm_2_ext<19, 528, 20, 0, 1, (outs), (ins),
    146                               "bctrl", BrB, [(PPCbctrl)]>,
    147                  Requires<[In64BitMode]>;
    148 
    149     let isCodeGenOnly = 1 in
    150     def BCCTRL8 : XLForm_2_br<19, 528, 1, (outs), (ins pred:$cond),
    151                               "b${cond:cc}ctrl${cond:pm} ${cond:reg}", BrB, []>,
    152         Requires<[In64BitMode]>;
    153   }
    154 }
    155 } // Interpretation64Bit
    156 
    157 // Calls
    158 def : Pat<(PPCcall (i64 tglobaladdr:$dst)),
    159           (BL8 tglobaladdr:$dst)>;
    160 def : Pat<(PPCcall_nop (i64 tglobaladdr:$dst)),
    161           (BL8_NOP tglobaladdr:$dst)>;
    162 
    163 def : Pat<(PPCcall (i64 texternalsym:$dst)),
    164           (BL8 texternalsym:$dst)>;
    165 def : Pat<(PPCcall_nop (i64 texternalsym:$dst)),
    166           (BL8_NOP texternalsym:$dst)>;
    167 
    168 // Atomic operations
    169 let usesCustomInserter = 1 in {
    170   let Defs = [CR0] in {
    171     def ATOMIC_LOAD_ADD_I64 : Pseudo<
    172       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_ADD_I64",
    173       [(set i64:$dst, (atomic_load_add_64 xoaddr:$ptr, i64:$incr))]>;
    174     def ATOMIC_LOAD_SUB_I64 : Pseudo<
    175       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_SUB_I64",
    176       [(set i64:$dst, (atomic_load_sub_64 xoaddr:$ptr, i64:$incr))]>;
    177     def ATOMIC_LOAD_OR_I64 : Pseudo<
    178       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_OR_I64",
    179       [(set i64:$dst, (atomic_load_or_64 xoaddr:$ptr, i64:$incr))]>;
    180     def ATOMIC_LOAD_XOR_I64 : Pseudo<
    181       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_XOR_I64",
    182       [(set i64:$dst, (atomic_load_xor_64 xoaddr:$ptr, i64:$incr))]>;
    183     def ATOMIC_LOAD_AND_I64 : Pseudo<
    184       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_AND_i64",
    185       [(set i64:$dst, (atomic_load_and_64 xoaddr:$ptr, i64:$incr))]>;
    186     def ATOMIC_LOAD_NAND_I64 : Pseudo<
    187       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_NAND_I64",
    188       [(set i64:$dst, (atomic_load_nand_64 xoaddr:$ptr, i64:$incr))]>;
    189 
    190     def ATOMIC_CMP_SWAP_I64 : Pseudo<
    191       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$old, g8rc:$new), "#ATOMIC_CMP_SWAP_I64",
    192       [(set i64:$dst, (atomic_cmp_swap_64 xoaddr:$ptr, i64:$old, i64:$new))]>;
    193 
    194     def ATOMIC_SWAP_I64 : Pseudo<
    195       (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$new), "#ATOMIC_SWAP_I64",
    196       [(set i64:$dst, (atomic_swap_64 xoaddr:$ptr, i64:$new))]>;
    197   }
    198 }
    199 
    200 // Instructions to support atomic operations
    201 def LDARX : XForm_1<31,  84, (outs g8rc:$rD), (ins memrr:$ptr),
    202                    "ldarx $rD, $ptr", LdStLDARX,
    203                    [(set i64:$rD, (PPClarx xoaddr:$ptr))]>;
    204 
    205 let Defs = [CR0] in
    206 def STDCX : XForm_1<31, 214, (outs), (ins g8rc:$rS, memrr:$dst),
    207                    "stdcx. $rS, $dst", LdStSTDCX,
    208                    [(PPCstcx i64:$rS, xoaddr:$dst)]>,
    209                    isDOT;
    210 
    211 let Interpretation64Bit = 1 in {
    212 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
    213 def TCRETURNdi8 :Pseudo< (outs),
    214                         (ins calltarget:$dst, i32imm:$offset),
    215                  "#TC_RETURNd8 $dst $offset",
    216                  []>;
    217 
    218 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
    219 def TCRETURNai8 :Pseudo<(outs), (ins abscalltarget:$func, i32imm:$offset),
    220                  "#TC_RETURNa8 $func $offset",
    221                  [(PPCtc_return (i64 imm:$func), imm:$offset)]>;
    222 
    223 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
    224 def TCRETURNri8 : Pseudo<(outs), (ins CTRRC8:$dst, i32imm:$offset),
    225                  "#TC_RETURNr8 $dst $offset",
    226                  []>;
    227 
    228 let isCodeGenOnly = 1 in {
    229 
    230 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
    231     isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR8, RM] in
    232 def TAILBCTR8 : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
    233     Requires<[In64BitMode]>;
    234 
    235 
    236 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
    237     isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
    238 def TAILB8   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
    239                   "b $dst", BrB,
    240                   []>;
    241 
    242 
    243 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
    244     isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
    245 def TAILBA8   : IForm<18, 0, 0, (outs), (ins abscalltarget:$dst),
    246                   "ba $dst", BrB,
    247                   []>;
    248 
    249 }
    250 } // Interpretation64Bit
    251 
    252 def : Pat<(PPCtc_return (i64 tglobaladdr:$dst),  imm:$imm),
    253           (TCRETURNdi8 tglobaladdr:$dst, imm:$imm)>;
    254 
    255 def : Pat<(PPCtc_return (i64 texternalsym:$dst), imm:$imm),
    256           (TCRETURNdi8 texternalsym:$dst, imm:$imm)>;
    257 
    258 def : Pat<(PPCtc_return CTRRC8:$dst, imm:$imm),
    259           (TCRETURNri8 CTRRC8:$dst, imm:$imm)>;
    260 
    261 
    262 // 64-bit CR instructions
    263 let Interpretation64Bit = 1 in {
    264 let neverHasSideEffects = 1 in {
    265 def MTOCRF8: XFXForm_5a<31, 144, (outs crbitm:$FXM), (ins g8rc:$ST),
    266                         "mtocrf $FXM, $ST", BrMCRX>,
    267             PPC970_DGroup_First, PPC970_Unit_CRU;
    268 
    269 def MTCRF8 : XFXForm_5<31, 144, (outs), (ins i32imm:$FXM, g8rc:$rS),
    270                       "mtcrf $FXM, $rS", BrMCRX>,
    271             PPC970_MicroCode, PPC970_Unit_CRU;
    272 
    273 def MFOCRF8: XFXForm_5a<31, 19, (outs g8rc:$rT), (ins crbitm:$FXM),
    274                         "mfocrf $rT, $FXM", SprMFCR>,
    275              PPC970_DGroup_First, PPC970_Unit_CRU;
    276 
    277 def MFCR8 : XFXForm_3<31, 19, (outs g8rc:$rT), (ins),
    278                      "mfcr $rT", SprMFCR>,
    279                      PPC970_MicroCode, PPC970_Unit_CRU;
    280 } // neverHasSideEffects = 1
    281 
    282 let hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
    283   let Defs = [CTR8] in
    284   def EH_SjLj_SetJmp64  : Pseudo<(outs gprc:$dst), (ins memr:$buf),
    285                             "#EH_SJLJ_SETJMP64",
    286                             [(set i32:$dst, (PPCeh_sjlj_setjmp addr:$buf))]>,
    287                           Requires<[In64BitMode]>;
    288   let isTerminator = 1 in
    289   def EH_SjLj_LongJmp64 : Pseudo<(outs), (ins memr:$buf),
    290                             "#EH_SJLJ_LONGJMP64",
    291                             [(PPCeh_sjlj_longjmp addr:$buf)]>,
    292                           Requires<[In64BitMode]>;
    293 }
    294 
    295 //===----------------------------------------------------------------------===//
    296 // 64-bit SPR manipulation instrs.
    297 
    298 let Uses = [CTR8] in {
    299 def MFCTR8 : XFXForm_1_ext<31, 339, 9, (outs g8rc:$rT), (ins),
    300                            "mfctr $rT", SprMFSPR>,
    301              PPC970_DGroup_First, PPC970_Unit_FXU;
    302 }
    303 let Pattern = [(PPCmtctr i64:$rS)], Defs = [CTR8] in {
    304 def MTCTR8 : XFXForm_7_ext<31, 467, 9, (outs), (ins g8rc:$rS),
    305                            "mtctr $rS", SprMTSPR>,
    306              PPC970_DGroup_First, PPC970_Unit_FXU;
    307 }
    308 let hasSideEffects = 1, isCodeGenOnly = 1, Defs = [CTR8] in {
    309 let Pattern = [(int_ppc_mtctr i64:$rS)] in
    310 def MTCTR8loop : XFXForm_7_ext<31, 467, 9, (outs), (ins g8rc:$rS),
    311                                "mtctr $rS", SprMTSPR>,
    312                  PPC970_DGroup_First, PPC970_Unit_FXU;
    313 }
    314 
    315 let isCodeGenOnly = 1, Pattern = [(set i64:$rT, readcyclecounter)] in
    316 def MFTB8 : XFXForm_1_ext<31, 339, 268, (outs g8rc:$rT), (ins),
    317                           "mfspr $rT, 268", SprMFTB>,
    318             PPC970_DGroup_First, PPC970_Unit_FXU;
    319 // Note that encoding mftb using mfspr is now the preferred form,
    320 // and has been since at least ISA v2.03. The mftb instruction has
    321 // now been phased out. Using mfspr, however, is known not to work on
    322 // the POWER3.
    323 
    324 let Defs = [X1], Uses = [X1] in
    325 def DYNALLOC8 : Pseudo<(outs g8rc:$result), (ins g8rc:$negsize, memri:$fpsi),"#DYNALLOC8",
    326                        [(set i64:$result,
    327                              (PPCdynalloc i64:$negsize, iaddr:$fpsi))]>;
    328 
    329 let Defs = [LR8] in {
    330 def MTLR8  : XFXForm_7_ext<31, 467, 8, (outs), (ins g8rc:$rS),
    331                            "mtlr $rS", SprMTSPR>,
    332              PPC970_DGroup_First, PPC970_Unit_FXU;
    333 }
    334 let Uses = [LR8] in {
    335 def MFLR8  : XFXForm_1_ext<31, 339, 8, (outs g8rc:$rT), (ins),
    336                            "mflr $rT", SprMFSPR>,
    337              PPC970_DGroup_First, PPC970_Unit_FXU;
    338 }
    339 } // Interpretation64Bit
    340 
    341 //===----------------------------------------------------------------------===//
    342 // Fixed point instructions.
    343 //
    344 
    345 let PPC970_Unit = 1 in {  // FXU Operations.
    346 let Interpretation64Bit = 1 in {
    347 let neverHasSideEffects = 1 in {
    348 
    349 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in {
    350 def LI8  : DForm_2_r0<14, (outs g8rc:$rD), (ins s16imm64:$imm),
    351                       "li $rD, $imm", IntSimple,
    352                       [(set i64:$rD, imm64SExt16:$imm)]>;
    353 def LIS8 : DForm_2_r0<15, (outs g8rc:$rD), (ins s17imm64:$imm),
    354                       "lis $rD, $imm", IntSimple,
    355                       [(set i64:$rD, imm16ShiftedSExt:$imm)]>;
    356 }
    357 
    358 // Logical ops.
    359 defm NAND8: XForm_6r<31, 476, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    360                      "nand", "$rA, $rS, $rB", IntSimple,
    361                      [(set i64:$rA, (not (and i64:$rS, i64:$rB)))]>;
    362 defm AND8 : XForm_6r<31,  28, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    363                      "and", "$rA, $rS, $rB", IntSimple,
    364                      [(set i64:$rA, (and i64:$rS, i64:$rB))]>;
    365 defm ANDC8: XForm_6r<31,  60, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    366                      "andc", "$rA, $rS, $rB", IntSimple,
    367                      [(set i64:$rA, (and i64:$rS, (not i64:$rB)))]>;
    368 defm OR8  : XForm_6r<31, 444, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    369                      "or", "$rA, $rS, $rB", IntSimple,
    370                      [(set i64:$rA, (or i64:$rS, i64:$rB))]>;
    371 defm NOR8 : XForm_6r<31, 124, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    372                      "nor", "$rA, $rS, $rB", IntSimple,
    373                      [(set i64:$rA, (not (or i64:$rS, i64:$rB)))]>;
    374 defm ORC8 : XForm_6r<31, 412, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    375                      "orc", "$rA, $rS, $rB", IntSimple,
    376                      [(set i64:$rA, (or i64:$rS, (not i64:$rB)))]>;
    377 defm EQV8 : XForm_6r<31, 284, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    378                      "eqv", "$rA, $rS, $rB", IntSimple,
    379                      [(set i64:$rA, (not (xor i64:$rS, i64:$rB)))]>;
    380 defm XOR8 : XForm_6r<31, 316, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
    381                      "xor", "$rA, $rS, $rB", IntSimple,
    382                      [(set i64:$rA, (xor i64:$rS, i64:$rB))]>;
    383 
    384 // Logical ops with immediate.
    385 let Defs = [CR0] in {
    386 def ANDIo8  : DForm_4<28, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
    387                       "andi. $dst, $src1, $src2", IntGeneral,
    388                       [(set i64:$dst, (and i64:$src1, immZExt16:$src2))]>,
    389                       isDOT;
    390 def ANDISo8 : DForm_4<29, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
    391                      "andis. $dst, $src1, $src2", IntGeneral,
    392                     [(set i64:$dst, (and i64:$src1, imm16ShiftedZExt:$src2))]>,
    393                      isDOT;
    394 }
    395 def ORI8    : DForm_4<24, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
    396                       "ori $dst, $src1, $src2", IntSimple,
    397                       [(set i64:$dst, (or i64:$src1, immZExt16:$src2))]>;
    398 def ORIS8   : DForm_4<25, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
    399                       "oris $dst, $src1, $src2", IntSimple,
    400                     [(set i64:$dst, (or i64:$src1, imm16ShiftedZExt:$src2))]>;
    401 def XORI8   : DForm_4<26, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
    402                       "xori $dst, $src1, $src2", IntSimple,
    403                       [(set i64:$dst, (xor i64:$src1, immZExt16:$src2))]>;
    404 def XORIS8  : DForm_4<27, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
    405                       "xoris $dst, $src1, $src2", IntSimple,
    406                    [(set i64:$dst, (xor i64:$src1, imm16ShiftedZExt:$src2))]>;
    407 
    408 defm ADD8  : XOForm_1r<31, 266, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    409                        "add", "$rT, $rA, $rB", IntSimple,
    410                        [(set i64:$rT, (add i64:$rA, i64:$rB))]>;
    411 // ADD8 has a special form: reg = ADD8(reg, sym@tls) for use by the
    412 // initial-exec thread-local storage model.
    413 def ADD8TLS  : XOForm_1<31, 266, 0, (outs g8rc:$rT), (ins g8rc:$rA, tlsreg:$rB),
    414                         "add $rT, $rA, $rB", IntSimple,
    415                         [(set i64:$rT, (add i64:$rA, tglobaltlsaddr:$rB))]>;
    416                      
    417 defm ADDC8 : XOForm_1rc<31, 10, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    418                         "addc", "$rT, $rA, $rB", IntGeneral,
    419                         [(set i64:$rT, (addc i64:$rA, i64:$rB))]>,
    420                         PPC970_DGroup_Cracked;
    421 let Defs = [CARRY] in
    422 def ADDIC8 : DForm_2<12, (outs g8rc:$rD), (ins g8rc:$rA, s16imm64:$imm),
    423                      "addic $rD, $rA, $imm", IntGeneral,
    424                      [(set i64:$rD, (addc i64:$rA, imm64SExt16:$imm))]>;
    425 def ADDI8  : DForm_2<14, (outs g8rc:$rD), (ins g8rc_nox0:$rA, s16imm64:$imm),
    426                      "addi $rD, $rA, $imm", IntSimple,
    427                      [(set i64:$rD, (add i64:$rA, imm64SExt16:$imm))]>;
    428 def ADDIS8 : DForm_2<15, (outs g8rc:$rD), (ins g8rc_nox0:$rA, s17imm64:$imm),
    429                      "addis $rD, $rA, $imm", IntSimple,
    430                      [(set i64:$rD, (add i64:$rA, imm16ShiftedSExt:$imm))]>;
    431 
    432 let Defs = [CARRY] in {
    433 def SUBFIC8: DForm_2< 8, (outs g8rc:$rD), (ins g8rc:$rA, s16imm64:$imm),
    434                      "subfic $rD, $rA, $imm", IntGeneral,
    435                      [(set i64:$rD, (subc imm64SExt16:$imm, i64:$rA))]>;
    436 defm SUBFC8 : XOForm_1r<31, 8, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    437                         "subfc", "$rT, $rA, $rB", IntGeneral,
    438                         [(set i64:$rT, (subc i64:$rB, i64:$rA))]>,
    439                         PPC970_DGroup_Cracked;
    440 }
    441 defm SUBF8 : XOForm_1r<31, 40, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    442                        "subf", "$rT, $rA, $rB", IntGeneral,
    443                        [(set i64:$rT, (sub i64:$rB, i64:$rA))]>;
    444 defm NEG8    : XOForm_3r<31, 104, 0, (outs g8rc:$rT), (ins g8rc:$rA),
    445                         "neg", "$rT, $rA", IntSimple,
    446                         [(set i64:$rT, (ineg i64:$rA))]>;
    447 let Uses = [CARRY] in {
    448 defm ADDE8   : XOForm_1rc<31, 138, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    449                           "adde", "$rT, $rA, $rB", IntGeneral,
    450                           [(set i64:$rT, (adde i64:$rA, i64:$rB))]>;
    451 defm ADDME8  : XOForm_3rc<31, 234, 0, (outs g8rc:$rT), (ins g8rc:$rA),
    452                           "addme", "$rT, $rA", IntGeneral,
    453                           [(set i64:$rT, (adde i64:$rA, -1))]>;
    454 defm ADDZE8  : XOForm_3rc<31, 202, 0, (outs g8rc:$rT), (ins g8rc:$rA),
    455                           "addze", "$rT, $rA", IntGeneral,
    456                           [(set i64:$rT, (adde i64:$rA, 0))]>;
    457 defm SUBFE8  : XOForm_1rc<31, 136, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    458                           "subfe", "$rT, $rA, $rB", IntGeneral,
    459                           [(set i64:$rT, (sube i64:$rB, i64:$rA))]>;
    460 defm SUBFME8 : XOForm_3rc<31, 232, 0, (outs g8rc:$rT), (ins g8rc:$rA),
    461                           "subfme", "$rT, $rA", IntGeneral,
    462                           [(set i64:$rT, (sube -1, i64:$rA))]>;
    463 defm SUBFZE8 : XOForm_3rc<31, 200, 0, (outs g8rc:$rT), (ins g8rc:$rA),
    464                           "subfze", "$rT, $rA", IntGeneral,
    465                           [(set i64:$rT, (sube 0, i64:$rA))]>;
    466 }
    467 
    468 
    469 defm MULHD : XOForm_1r<31, 73, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    470                        "mulhd", "$rT, $rA, $rB", IntMulHW,
    471                        [(set i64:$rT, (mulhs i64:$rA, i64:$rB))]>;
    472 defm MULHDU : XOForm_1r<31, 9, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    473                        "mulhdu", "$rT, $rA, $rB", IntMulHWU,
    474                        [(set i64:$rT, (mulhu i64:$rA, i64:$rB))]>;
    475 }
    476 } // Interpretation64Bit
    477 
    478 let isCompare = 1, neverHasSideEffects = 1 in {
    479   def CMPD   : XForm_16_ext<31, 0, (outs crrc:$crD), (ins g8rc:$rA, g8rc:$rB),
    480                             "cmpd $crD, $rA, $rB", IntCompare>, isPPC64;
    481   def CMPLD  : XForm_16_ext<31, 32, (outs crrc:$crD), (ins g8rc:$rA, g8rc:$rB),
    482                             "cmpld $crD, $rA, $rB", IntCompare>, isPPC64;
    483   def CMPDI  : DForm_5_ext<11, (outs crrc:$crD), (ins g8rc:$rA, s16imm:$imm),
    484                            "cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
    485   def CMPLDI : DForm_6_ext<10, (outs crrc:$dst), (ins g8rc:$src1, u16imm:$src2),
    486                            "cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
    487 }
    488 
    489 let neverHasSideEffects = 1 in {
    490 defm SLD  : XForm_6r<31,  27, (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB),
    491                      "sld", "$rA, $rS, $rB", IntRotateD,
    492                      [(set i64:$rA, (PPCshl i64:$rS, i32:$rB))]>, isPPC64;
    493 defm SRD  : XForm_6r<31, 539, (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB),
    494                      "srd", "$rA, $rS, $rB", IntRotateD,
    495                      [(set i64:$rA, (PPCsrl i64:$rS, i32:$rB))]>, isPPC64;
    496 defm SRAD : XForm_6rc<31, 794, (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB),
    497                       "srad", "$rA, $rS, $rB", IntRotateD,
    498                       [(set i64:$rA, (PPCsra i64:$rS, i32:$rB))]>, isPPC64;
    499 
    500 let Interpretation64Bit = 1 in { 
    501 defm EXTSB8 : XForm_11r<31, 954, (outs g8rc:$rA), (ins g8rc:$rS),
    502                         "extsb", "$rA, $rS", IntSimple,
    503                         [(set i64:$rA, (sext_inreg i64:$rS, i8))]>;
    504 defm EXTSH8 : XForm_11r<31, 922, (outs g8rc:$rA), (ins g8rc:$rS),
    505                         "extsh", "$rA, $rS", IntSimple,
    506                         [(set i64:$rA, (sext_inreg i64:$rS, i16))]>;
    507 } // Interpretation64Bit
    508 
    509 defm EXTSW  : XForm_11r<31, 986, (outs g8rc:$rA), (ins g8rc:$rS),
    510                         "extsw", "$rA, $rS", IntSimple,
    511                         [(set i64:$rA, (sext_inreg i64:$rS, i32))]>, isPPC64;
    512 let Interpretation64Bit = 1 in
    513 defm EXTSW_32_64 : XForm_11r<31, 986, (outs g8rc:$rA), (ins gprc:$rS),
    514                              "extsw", "$rA, $rS", IntSimple,
    515                              [(set i64:$rA, (sext i32:$rS))]>, isPPC64;
    516 
    517 defm SRADI  : XSForm_1rc<31, 413, (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH),
    518                          "sradi", "$rA, $rS, $SH", IntRotateDI,
    519                          [(set i64:$rA, (sra i64:$rS, (i32 imm:$SH)))]>, isPPC64;
    520 defm CNTLZD : XForm_11r<31, 58, (outs g8rc:$rA), (ins g8rc:$rS),
    521                         "cntlzd", "$rA, $rS", IntGeneral,
    522                         [(set i64:$rA, (ctlz i64:$rS))]>;
    523 defm POPCNTD : XForm_11r<31, 506, (outs g8rc:$rA), (ins g8rc:$rS),
    524                          "popcntd", "$rA, $rS", IntGeneral,
    525                          [(set i64:$rA, (ctpop i64:$rS))]>;
    526 
    527 // popcntw also does a population count on the high 32 bits (storing the
    528 // results in the high 32-bits of the output). We'll ignore that here (which is
    529 // safe because we never separately use the high part of the 64-bit registers).
    530 defm POPCNTW : XForm_11r<31, 378, (outs gprc:$rA), (ins gprc:$rS),
    531                          "popcntw", "$rA, $rS", IntGeneral,
    532                          [(set i32:$rA, (ctpop i32:$rS))]>;
    533 
    534 defm DIVD  : XOForm_1r<31, 489, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    535                        "divd", "$rT, $rA, $rB", IntDivD,
    536                        [(set i64:$rT, (sdiv i64:$rA, i64:$rB))]>, isPPC64,
    537                        PPC970_DGroup_First, PPC970_DGroup_Cracked;
    538 defm DIVDU : XOForm_1r<31, 457, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    539                        "divdu", "$rT, $rA, $rB", IntDivD,
    540                        [(set i64:$rT, (udiv i64:$rA, i64:$rB))]>, isPPC64,
    541                        PPC970_DGroup_First, PPC970_DGroup_Cracked;
    542 defm MULLD : XOForm_1r<31, 233, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
    543                        "mulld", "$rT, $rA, $rB", IntMulHD,
    544                        [(set i64:$rT, (mul i64:$rA, i64:$rB))]>, isPPC64;
    545 def MULLI8 : DForm_2<7, (outs g8rc:$rD), (ins g8rc:$rA, s16imm64:$imm),
    546                        "mulli $rD, $rA, $imm", IntMulLI,
    547                        [(set i64:$rD, (mul i64:$rA, imm64SExt16:$imm))]>;
    548 }
    549 
    550 let neverHasSideEffects = 1 in {
    551 let isCommutable = 1 in {
    552 defm RLDIMI : MDForm_1r<30, 3, (outs g8rc:$rA),
    553                         (ins g8rc:$rSi, g8rc:$rS, u6imm:$SH, u6imm:$MBE),
    554                         "rldimi", "$rA, $rS, $SH, $MBE", IntRotateDI,
    555                         []>, isPPC64, RegConstraint<"$rSi = $rA">,
    556                         NoEncode<"$rSi">;
    557 }
    558 
    559 // Rotate instructions.
    560 defm RLDCL  : MDSForm_1r<30, 8,
    561                         (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB, u6imm:$MBE),
    562                         "rldcl", "$rA, $rS, $rB, $MBE", IntRotateD,
    563                         []>, isPPC64;
    564 defm RLDCR  : MDSForm_1r<30, 9,
    565                         (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB, u6imm:$MBE),
    566                         "rldcr", "$rA, $rS, $rB, $MBE", IntRotateD,
    567                         []>, isPPC64;
    568 defm RLDICL : MDForm_1r<30, 0,
    569                         (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH, u6imm:$MBE),
    570                         "rldicl", "$rA, $rS, $SH, $MBE", IntRotateDI,
    571                         []>, isPPC64;
    572 defm RLDICR : MDForm_1r<30, 1,
    573                         (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH, u6imm:$MBE),
    574                         "rldicr", "$rA, $rS, $SH, $MBE", IntRotateDI,
    575                         []>, isPPC64;
    576 defm RLDIC  : MDForm_1r<30, 2,
    577                         (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH, u6imm:$MBE),
    578                         "rldic", "$rA, $rS, $SH, $MBE", IntRotateDI,
    579                         []>, isPPC64;
    580 
    581 let Interpretation64Bit = 1 in {
    582 defm RLWINM8 : MForm_2r<21, (outs g8rc:$rA),
    583                         (ins g8rc:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
    584                         "rlwinm", "$rA, $rS, $SH, $MB, $ME", IntGeneral,
    585                         []>;
    586 
    587 let isSelect = 1 in
    588 def ISEL8   : AForm_4<31, 15,
    589                      (outs g8rc:$rT), (ins g8rc_nox0:$rA, g8rc:$rB, crbitrc:$cond),
    590                      "isel $rT, $rA, $rB, $cond", IntGeneral,
    591                      []>;
    592 }  // Interpretation64Bit
    593 }  // neverHasSideEffects = 1
    594 }  // End FXU Operations.
    595 
    596 
    597 //===----------------------------------------------------------------------===//
    598 // Load/Store instructions.
    599 //
    600 
    601 
    602 // Sign extending loads.
    603 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
    604 let Interpretation64Bit = 1 in
    605 def LHA8: DForm_1<42, (outs g8rc:$rD), (ins memri:$src),
    606                   "lha $rD, $src", LdStLHA,
    607                   [(set i64:$rD, (sextloadi16 iaddr:$src))]>,
    608                   PPC970_DGroup_Cracked;
    609 def LWA  : DSForm_1<58, 2, (outs g8rc:$rD), (ins memrix:$src),
    610                     "lwa $rD, $src", LdStLWA,
    611                     [(set i64:$rD,
    612                           (aligned4sextloadi32 ixaddr:$src))]>, isPPC64,
    613                     PPC970_DGroup_Cracked;
    614 let Interpretation64Bit = 1 in
    615 def LHAX8: XForm_1<31, 343, (outs g8rc:$rD), (ins memrr:$src),
    616                    "lhax $rD, $src", LdStLHA,
    617                    [(set i64:$rD, (sextloadi16 xaddr:$src))]>,
    618                    PPC970_DGroup_Cracked;
    619 def LWAX : XForm_1<31, 341, (outs g8rc:$rD), (ins memrr:$src),
    620                    "lwax $rD, $src", LdStLHA,
    621                    [(set i64:$rD, (sextloadi32 xaddr:$src))]>, isPPC64,
    622                    PPC970_DGroup_Cracked;
    623 
    624 // Update forms.
    625 let mayLoad = 1, neverHasSideEffects = 1 in {
    626 let Interpretation64Bit = 1 in
    627 def LHAU8 : DForm_1<43, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
    628                     (ins memri:$addr),
    629                     "lhau $rD, $addr", LdStLHAU,
    630                     []>, RegConstraint<"$addr.reg = $ea_result">,
    631                     NoEncode<"$ea_result">;
    632 // NO LWAU!
    633 
    634 let Interpretation64Bit = 1 in
    635 def LHAUX8 : XForm_1<31, 375, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
    636                     (ins memrr:$addr),
    637                     "lhaux $rD, $addr", LdStLHAU,
    638                     []>, RegConstraint<"$addr.ptrreg = $ea_result">,
    639                     NoEncode<"$ea_result">;
    640 def LWAUX : XForm_1<31, 373, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
    641                     (ins memrr:$addr),
    642                     "lwaux $rD, $addr", LdStLHAU,
    643                     []>, RegConstraint<"$addr.ptrreg = $ea_result">,
    644                     NoEncode<"$ea_result">, isPPC64;
    645 }
    646 }
    647 
    648 let Interpretation64Bit = 1 in {
    649 // Zero extending loads.
    650 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
    651 def LBZ8 : DForm_1<34, (outs g8rc:$rD), (ins memri:$src),
    652                   "lbz $rD, $src", LdStLoad,
    653                   [(set i64:$rD, (zextloadi8 iaddr:$src))]>;
    654 def LHZ8 : DForm_1<40, (outs g8rc:$rD), (ins memri:$src),
    655                   "lhz $rD, $src", LdStLoad,
    656                   [(set i64:$rD, (zextloadi16 iaddr:$src))]>;
    657 def LWZ8 : DForm_1<32, (outs g8rc:$rD), (ins memri:$src),
    658                   "lwz $rD, $src", LdStLoad,
    659                   [(set i64:$rD, (zextloadi32 iaddr:$src))]>, isPPC64;
    660 
    661 def LBZX8 : XForm_1<31,  87, (outs g8rc:$rD), (ins memrr:$src),
    662                    "lbzx $rD, $src", LdStLoad,
    663                    [(set i64:$rD, (zextloadi8 xaddr:$src))]>;
    664 def LHZX8 : XForm_1<31, 279, (outs g8rc:$rD), (ins memrr:$src),
    665                    "lhzx $rD, $src", LdStLoad,
    666                    [(set i64:$rD, (zextloadi16 xaddr:$src))]>;
    667 def LWZX8 : XForm_1<31,  23, (outs g8rc:$rD), (ins memrr:$src),
    668                    "lwzx $rD, $src", LdStLoad,
    669                    [(set i64:$rD, (zextloadi32 xaddr:$src))]>;
    670                    
    671                    
    672 // Update forms.
    673 let mayLoad = 1, neverHasSideEffects = 1 in {
    674 def LBZU8 : DForm_1<35, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
    675                     "lbzu $rD, $addr", LdStLoadUpd,
    676                     []>, RegConstraint<"$addr.reg = $ea_result">,
    677                     NoEncode<"$ea_result">;
    678 def LHZU8 : DForm_1<41, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
    679                     "lhzu $rD, $addr", LdStLoadUpd,
    680                     []>, RegConstraint<"$addr.reg = $ea_result">,
    681                     NoEncode<"$ea_result">;
    682 def LWZU8 : DForm_1<33, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
    683                     "lwzu $rD, $addr", LdStLoadUpd,
    684                     []>, RegConstraint<"$addr.reg = $ea_result">,
    685                     NoEncode<"$ea_result">;
    686 
    687 def LBZUX8 : XForm_1<31, 119, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
    688                    (ins memrr:$addr),
    689                    "lbzux $rD, $addr", LdStLoadUpd,
    690                    []>, RegConstraint<"$addr.ptrreg = $ea_result">,
    691                    NoEncode<"$ea_result">;
    692 def LHZUX8 : XForm_1<31, 311, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
    693                    (ins memrr:$addr),
    694                    "lhzux $rD, $addr", LdStLoadUpd,
    695                    []>, RegConstraint<"$addr.ptrreg = $ea_result">,
    696                    NoEncode<"$ea_result">;
    697 def LWZUX8 : XForm_1<31, 55, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
    698                    (ins memrr:$addr),
    699                    "lwzux $rD, $addr", LdStLoadUpd,
    700                    []>, RegConstraint<"$addr.ptrreg = $ea_result">,
    701                    NoEncode<"$ea_result">;
    702 }
    703 }
    704 } // Interpretation64Bit
    705 
    706 
    707 // Full 8-byte loads.
    708 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
    709 def LD   : DSForm_1<58, 0, (outs g8rc:$rD), (ins memrix:$src),
    710                     "ld $rD, $src", LdStLD,
    711                     [(set i64:$rD, (aligned4load ixaddr:$src))]>, isPPC64;
    712 // The following three definitions are selected for small code model only.
    713 // Otherwise, we need to create two instructions to form a 32-bit offset,
    714 // so we have a custom matcher for TOC_ENTRY in PPCDAGToDAGIsel::Select().
    715 def LDtoc: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc:$reg),
    716                   "#LDtoc",
    717                   [(set i64:$rD,
    718                      (PPCtoc_entry tglobaladdr:$disp, i64:$reg))]>, isPPC64;
    719 def LDtocJTI: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc:$reg),
    720                   "#LDtocJTI",
    721                   [(set i64:$rD,
    722                      (PPCtoc_entry tjumptable:$disp, i64:$reg))]>, isPPC64;
    723 def LDtocCPT: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc:$reg),
    724                   "#LDtocCPT",
    725                   [(set i64:$rD,
    726                      (PPCtoc_entry tconstpool:$disp, i64:$reg))]>, isPPC64;
    727 
    728 let hasSideEffects = 1, isCodeGenOnly = 1 in {
    729 let RST = 2, DS = 2 in
    730 def LDinto_toc: DSForm_1a<58, 0, (outs), (ins g8rc:$reg),
    731                     "ld 2, 8($reg)", LdStLD,
    732                     [(PPCload_toc i64:$reg)]>, isPPC64;
    733                     
    734 let RST = 2, DS = 10, RA = 1 in
    735 def LDtoc_restore : DSForm_1a<58, 0, (outs), (ins),
    736                     "ld 2, 40(1)", LdStLD,
    737                     [(PPCtoc_restore)]>, isPPC64;
    738 }
    739 def LDX  : XForm_1<31,  21, (outs g8rc:$rD), (ins memrr:$src),
    740                    "ldx $rD, $src", LdStLD,
    741                    [(set i64:$rD, (load xaddr:$src))]>, isPPC64;
    742 def LDBRX : XForm_1<31,  532, (outs g8rc:$rD), (ins memrr:$src),
    743                    "ldbrx $rD, $src", LdStLoad,
    744                    [(set i64:$rD, (PPClbrx xoaddr:$src, i64))]>, isPPC64;
    745 
    746 let mayLoad = 1, neverHasSideEffects = 1 in {
    747 def LDU  : DSForm_1<58, 1, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memrix:$addr),
    748                     "ldu $rD, $addr", LdStLDU,
    749                     []>, RegConstraint<"$addr.reg = $ea_result">, isPPC64,
    750                     NoEncode<"$ea_result">;
    751 
    752 def LDUX : XForm_1<31, 53, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
    753                    (ins memrr:$addr),
    754                    "ldux $rD, $addr", LdStLDU,
    755                    []>, RegConstraint<"$addr.ptrreg = $ea_result">,
    756                    NoEncode<"$ea_result">, isPPC64;
    757 }
    758 }
    759 
    760 def : Pat<(PPCload ixaddr:$src),
    761           (LD ixaddr:$src)>;
    762 def : Pat<(PPCload xaddr:$src),
    763           (LDX xaddr:$src)>;
    764 
    765 // Support for medium and large code model.
    766 def ADDIStocHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, tocentry:$disp),
    767                        "#ADDIStocHA",
    768                        [(set i64:$rD,
    769                          (PPCaddisTocHA i64:$reg, tglobaladdr:$disp))]>,
    770                        isPPC64;
    771 def LDtocL: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc_nox0:$reg),
    772                    "#LDtocL",
    773                    [(set i64:$rD,
    774                      (PPCldTocL tglobaladdr:$disp, i64:$reg))]>, isPPC64;
    775 def ADDItocL: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, tocentry:$disp),
    776                      "#ADDItocL",
    777                      [(set i64:$rD,
    778                        (PPCaddiTocL i64:$reg, tglobaladdr:$disp))]>, isPPC64;
    779 
    780 // Support for thread-local storage.
    781 def ADDISgotTprelHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
    782                          "#ADDISgotTprelHA",
    783                          [(set i64:$rD,
    784                            (PPCaddisGotTprelHA i64:$reg,
    785                                                tglobaltlsaddr:$disp))]>,
    786                   isPPC64;
    787 def LDgotTprelL: Pseudo<(outs g8rc:$rD), (ins s16imm64:$disp, g8rc_nox0:$reg),
    788                         "#LDgotTprelL",
    789                         [(set i64:$rD,
    790                           (PPCldGotTprelL tglobaltlsaddr:$disp, i64:$reg))]>,
    791                  isPPC64;
    792 def : Pat<(PPCaddTls i64:$in, tglobaltlsaddr:$g),
    793           (ADD8TLS $in, tglobaltlsaddr:$g)>;
    794 def ADDIStlsgdHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
    795                          "#ADDIStlsgdHA",
    796                          [(set i64:$rD,
    797                            (PPCaddisTlsgdHA i64:$reg, tglobaltlsaddr:$disp))]>,
    798                   isPPC64;
    799 def ADDItlsgdL : Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
    800                        "#ADDItlsgdL",
    801                        [(set i64:$rD,
    802                          (PPCaddiTlsgdL i64:$reg, tglobaltlsaddr:$disp))]>,
    803                  isPPC64;
    804 def GETtlsADDR : Pseudo<(outs g8rc:$rD), (ins g8rc:$reg, tlsgd:$sym),
    805                         "#GETtlsADDR",
    806                         [(set i64:$rD,
    807                           (PPCgetTlsAddr i64:$reg, tglobaltlsaddr:$sym))]>,
    808                  isPPC64;
    809 def ADDIStlsldHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
    810                          "#ADDIStlsldHA",
    811                          [(set i64:$rD,
    812                            (PPCaddisTlsldHA i64:$reg, tglobaltlsaddr:$disp))]>,
    813                   isPPC64;
    814 def ADDItlsldL : Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
    815                        "#ADDItlsldL",
    816                        [(set i64:$rD,
    817                          (PPCaddiTlsldL i64:$reg, tglobaltlsaddr:$disp))]>,
    818                  isPPC64;
    819 def GETtlsldADDR : Pseudo<(outs g8rc:$rD), (ins g8rc:$reg, tlsgd:$sym),
    820                           "#GETtlsldADDR",
    821                           [(set i64:$rD,
    822                             (PPCgetTlsldAddr i64:$reg, tglobaltlsaddr:$sym))]>,
    823                    isPPC64;
    824 def ADDISdtprelHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
    825                           "#ADDISdtprelHA",
    826                           [(set i64:$rD,
    827                             (PPCaddisDtprelHA i64:$reg,
    828                                               tglobaltlsaddr:$disp))]>,
    829                    isPPC64;
    830 def ADDIdtprelL : Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
    831                          "#ADDIdtprelL",
    832                          [(set i64:$rD,
    833                            (PPCaddiDtprelL i64:$reg, tglobaltlsaddr:$disp))]>,
    834                   isPPC64;
    835 
    836 let PPC970_Unit = 2 in {
    837 let Interpretation64Bit = 1 in {
    838 // Truncating stores.                       
    839 def STB8 : DForm_1<38, (outs), (ins g8rc:$rS, memri:$src),
    840                    "stb $rS, $src", LdStStore,
    841                    [(truncstorei8 i64:$rS, iaddr:$src)]>;
    842 def STH8 : DForm_1<44, (outs), (ins g8rc:$rS, memri:$src),
    843                    "sth $rS, $src", LdStStore,
    844                    [(truncstorei16 i64:$rS, iaddr:$src)]>;
    845 def STW8 : DForm_1<36, (outs), (ins g8rc:$rS, memri:$src),
    846                    "stw $rS, $src", LdStStore,
    847                    [(truncstorei32 i64:$rS, iaddr:$src)]>;
    848 def STBX8 : XForm_8<31, 215, (outs), (ins g8rc:$rS, memrr:$dst),
    849                    "stbx $rS, $dst", LdStStore,
    850                    [(truncstorei8 i64:$rS, xaddr:$dst)]>,
    851                    PPC970_DGroup_Cracked;
    852 def STHX8 : XForm_8<31, 407, (outs), (ins g8rc:$rS, memrr:$dst),
    853                    "sthx $rS, $dst", LdStStore,
    854                    [(truncstorei16 i64:$rS, xaddr:$dst)]>,
    855                    PPC970_DGroup_Cracked;
    856 def STWX8 : XForm_8<31, 151, (outs), (ins g8rc:$rS, memrr:$dst),
    857                    "stwx $rS, $dst", LdStStore,
    858                    [(truncstorei32 i64:$rS, xaddr:$dst)]>,
    859                    PPC970_DGroup_Cracked;
    860 } // Interpretation64Bit
    861 
    862 // Normal 8-byte stores.
    863 def STD  : DSForm_1<62, 0, (outs), (ins g8rc:$rS, memrix:$dst),
    864                     "std $rS, $dst", LdStSTD,
    865                     [(aligned4store i64:$rS, ixaddr:$dst)]>, isPPC64;
    866 def STDX  : XForm_8<31, 149, (outs), (ins g8rc:$rS, memrr:$dst),
    867                    "stdx $rS, $dst", LdStSTD,
    868                    [(store i64:$rS, xaddr:$dst)]>, isPPC64,
    869                    PPC970_DGroup_Cracked;
    870 def STDBRX: XForm_8<31, 660, (outs), (ins g8rc:$rS, memrr:$dst),
    871                    "stdbrx $rS, $dst", LdStStore,
    872                    [(PPCstbrx i64:$rS, xoaddr:$dst, i64)]>, isPPC64,
    873                    PPC970_DGroup_Cracked;
    874 }
    875 
    876 // Stores with Update (pre-inc).
    877 let PPC970_Unit = 2, mayStore = 1 in {
    878 let Interpretation64Bit = 1 in {
    879 def STBU8 : DForm_1<39, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memri:$dst),
    880                    "stbu $rS, $dst", LdStStoreUpd, []>,
    881                    RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
    882 def STHU8 : DForm_1<45, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memri:$dst),
    883                    "sthu $rS, $dst", LdStStoreUpd, []>,
    884                    RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
    885 def STWU8 : DForm_1<37, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memri:$dst),
    886                    "stwu $rS, $dst", LdStStoreUpd, []>,
    887                    RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
    888 def STDU : DSForm_1<62, 1, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrix:$dst),
    889                    "stdu $rS, $dst", LdStSTDU, []>,
    890                    RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">,
    891                    isPPC64;
    892 
    893 def STBUX8: XForm_8<31, 247, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
    894                     "stbux $rS, $dst", LdStStoreUpd, []>,
    895                     RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
    896                     PPC970_DGroup_Cracked;
    897 def STHUX8: XForm_8<31, 439, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
    898                     "sthux $rS, $dst", LdStStoreUpd, []>,
    899                     RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
    900                     PPC970_DGroup_Cracked;
    901 def STWUX8: XForm_8<31, 183, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
    902                     "stwux $rS, $dst", LdStStoreUpd, []>,
    903                     RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
    904                     PPC970_DGroup_Cracked;
    905 } // Interpretation64Bit
    906 
    907 def STDUX : XForm_8<31, 181, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
    908                     "stdux $rS, $dst", LdStSTDU, []>,
    909                     RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
    910                     PPC970_DGroup_Cracked, isPPC64;
    911 }
    912 
    913 // Patterns to match the pre-inc stores.  We can't put the patterns on
    914 // the instruction definitions directly as ISel wants the address base
    915 // and offset to be separate operands, not a single complex operand.
    916 def : Pat<(pre_truncsti8 i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
    917           (STBU8 $rS, iaddroff:$ptroff, $ptrreg)>;
    918 def : Pat<(pre_truncsti16 i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
    919           (STHU8 $rS, iaddroff:$ptroff, $ptrreg)>;
    920 def : Pat<(pre_truncsti32 i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
    921           (STWU8 $rS, iaddroff:$ptroff, $ptrreg)>;
    922 def : Pat<(aligned4pre_store i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
    923           (STDU $rS, iaddroff:$ptroff, $ptrreg)>;
    924 
    925 def : Pat<(pre_truncsti8 i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
    926           (STBUX8 $rS, $ptrreg, $ptroff)>;
    927 def : Pat<(pre_truncsti16 i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
    928           (STHUX8 $rS, $ptrreg, $ptroff)>;
    929 def : Pat<(pre_truncsti32 i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
    930           (STWUX8 $rS, $ptrreg, $ptroff)>;
    931 def : Pat<(pre_store i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
    932           (STDUX $rS, $ptrreg, $ptroff)>;
    933 
    934 
    935 //===----------------------------------------------------------------------===//
    936 // Floating point instructions.
    937 //
    938 
    939 
    940 let PPC970_Unit = 3, neverHasSideEffects = 1,
    941     Uses = [RM] in {  // FPU Operations.
    942 defm FCFID  : XForm_26r<63, 846, (outs f8rc:$frD), (ins f8rc:$frB),
    943                         "fcfid", "$frD, $frB", FPGeneral,
    944                         [(set f64:$frD, (PPCfcfid f64:$frB))]>, isPPC64;
    945 defm FCTIDZ : XForm_26r<63, 815, (outs f8rc:$frD), (ins f8rc:$frB),
    946                         "fctidz", "$frD, $frB", FPGeneral,
    947                         [(set f64:$frD, (PPCfctidz f64:$frB))]>, isPPC64;
    948 
    949 defm FCFIDU  : XForm_26r<63, 974, (outs f8rc:$frD), (ins f8rc:$frB),
    950                         "fcfidu", "$frD, $frB", FPGeneral,
    951                         [(set f64:$frD, (PPCfcfidu f64:$frB))]>, isPPC64;
    952 defm FCFIDS  : XForm_26r<59, 846, (outs f4rc:$frD), (ins f8rc:$frB),
    953                         "fcfids", "$frD, $frB", FPGeneral,
    954                         [(set f32:$frD, (PPCfcfids f64:$frB))]>, isPPC64;
    955 defm FCFIDUS : XForm_26r<59, 974, (outs f4rc:$frD), (ins f8rc:$frB),
    956                         "fcfidus", "$frD, $frB", FPGeneral,
    957                         [(set f32:$frD, (PPCfcfidus f64:$frB))]>, isPPC64;
    958 defm FCTIDUZ : XForm_26r<63, 943, (outs f8rc:$frD), (ins f8rc:$frB),
    959                         "fctiduz", "$frD, $frB", FPGeneral,
    960                         [(set f64:$frD, (PPCfctiduz f64:$frB))]>, isPPC64;
    961 defm FCTIWUZ : XForm_26r<63, 143, (outs f8rc:$frD), (ins f8rc:$frB),
    962                         "fctiwuz", "$frD, $frB", FPGeneral,
    963                         [(set f64:$frD, (PPCfctiwuz f64:$frB))]>, isPPC64;
    964 }
    965 
    966 
    967 //===----------------------------------------------------------------------===//
    968 // Instruction Patterns
    969 //
    970 
    971 // Extensions and truncates to/from 32-bit regs.
    972 def : Pat<(i64 (zext i32:$in)),
    973           (RLDICL (INSERT_SUBREG (i64 (IMPLICIT_DEF)), $in, sub_32),
    974                   0, 32)>;
    975 def : Pat<(i64 (anyext i32:$in)),
    976           (INSERT_SUBREG (i64 (IMPLICIT_DEF)), $in, sub_32)>;
    977 def : Pat<(i32 (trunc i64:$in)),
    978           (EXTRACT_SUBREG $in, sub_32)>;
    979 
    980 // Extending loads with i64 targets.
    981 def : Pat<(zextloadi1 iaddr:$src),
    982           (LBZ8 iaddr:$src)>;
    983 def : Pat<(zextloadi1 xaddr:$src),
    984           (LBZX8 xaddr:$src)>;
    985 def : Pat<(extloadi1 iaddr:$src),
    986           (LBZ8 iaddr:$src)>;
    987 def : Pat<(extloadi1 xaddr:$src),
    988           (LBZX8 xaddr:$src)>;
    989 def : Pat<(extloadi8 iaddr:$src),
    990           (LBZ8 iaddr:$src)>;
    991 def : Pat<(extloadi8 xaddr:$src),
    992           (LBZX8 xaddr:$src)>;
    993 def : Pat<(extloadi16 iaddr:$src),
    994           (LHZ8 iaddr:$src)>;
    995 def : Pat<(extloadi16 xaddr:$src),
    996           (LHZX8 xaddr:$src)>;
    997 def : Pat<(extloadi32 iaddr:$src),
    998           (LWZ8 iaddr:$src)>;
    999 def : Pat<(extloadi32 xaddr:$src),
   1000           (LWZX8 xaddr:$src)>;
   1001 
   1002 // Standard shifts.  These are represented separately from the real shifts above
   1003 // so that we can distinguish between shifts that allow 6-bit and 7-bit shift
   1004 // amounts.
   1005 def : Pat<(sra i64:$rS, i32:$rB),
   1006           (SRAD $rS, $rB)>;
   1007 def : Pat<(srl i64:$rS, i32:$rB),
   1008           (SRD $rS, $rB)>;
   1009 def : Pat<(shl i64:$rS, i32:$rB),
   1010           (SLD $rS, $rB)>;
   1011 
   1012 // SHL/SRL
   1013 def : Pat<(shl i64:$in, (i32 imm:$imm)),
   1014           (RLDICR $in, imm:$imm, (SHL64 imm:$imm))>;
   1015 def : Pat<(srl i64:$in, (i32 imm:$imm)),
   1016           (RLDICL $in, (SRL64 imm:$imm), imm:$imm)>;
   1017 
   1018 // ROTL
   1019 def : Pat<(rotl i64:$in, i32:$sh),
   1020           (RLDCL $in, $sh, 0)>;
   1021 def : Pat<(rotl i64:$in, (i32 imm:$imm)),
   1022           (RLDICL $in, imm:$imm, 0)>;
   1023 
   1024 // Hi and Lo for Darwin Global Addresses.
   1025 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS8 tglobaladdr:$in)>;
   1026 def : Pat<(PPClo tglobaladdr:$in, 0), (LI8  tglobaladdr:$in)>;
   1027 def : Pat<(PPChi tconstpool:$in , 0), (LIS8 tconstpool:$in)>;
   1028 def : Pat<(PPClo tconstpool:$in , 0), (LI8  tconstpool:$in)>;
   1029 def : Pat<(PPChi tjumptable:$in , 0), (LIS8 tjumptable:$in)>;
   1030 def : Pat<(PPClo tjumptable:$in , 0), (LI8  tjumptable:$in)>;
   1031 def : Pat<(PPChi tblockaddress:$in, 0), (LIS8 tblockaddress:$in)>;
   1032 def : Pat<(PPClo tblockaddress:$in, 0), (LI8  tblockaddress:$in)>;
   1033 def : Pat<(PPChi tglobaltlsaddr:$g, i64:$in),
   1034           (ADDIS8 $in, tglobaltlsaddr:$g)>;
   1035 def : Pat<(PPClo tglobaltlsaddr:$g, i64:$in),
   1036           (ADDI8 $in, tglobaltlsaddr:$g)>;
   1037 def : Pat<(add i64:$in, (PPChi tglobaladdr:$g, 0)),
   1038           (ADDIS8 $in, tglobaladdr:$g)>;
   1039 def : Pat<(add i64:$in, (PPChi tconstpool:$g, 0)),
   1040           (ADDIS8 $in, tconstpool:$g)>;
   1041 def : Pat<(add i64:$in, (PPChi tjumptable:$g, 0)),
   1042           (ADDIS8 $in, tjumptable:$g)>;
   1043 def : Pat<(add i64:$in, (PPChi tblockaddress:$g, 0)),
   1044           (ADDIS8 $in, tblockaddress:$g)>;
   1045 
   1046 // Patterns to match r+r indexed loads and stores for
   1047 // addresses without at least 4-byte alignment.
   1048 def : Pat<(i64 (unaligned4sextloadi32 xoaddr:$src)),
   1049           (LWAX xoaddr:$src)>;
   1050 def : Pat<(i64 (unaligned4load xoaddr:$src)),
   1051           (LDX xoaddr:$src)>;
   1052 def : Pat<(unaligned4store i64:$rS, xoaddr:$dst),
   1053           (STDX $rS, xoaddr:$dst)>;
   1054 
   1055