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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 }
     21 def u16imm64 : Operand<i64> {
     22   let PrintMethod = "printU16ImmOperand";
     23 }
     24 def symbolHi64 : Operand<i64> {
     25   let PrintMethod = "printSymbolHi";
     26   let EncoderMethod = "getHA16Encoding";
     27 }
     28 def symbolLo64 : Operand<i64> {
     29   let PrintMethod = "printSymbolLo";
     30   let EncoderMethod = "getLO16Encoding";
     31 }
     32 
     33 //===----------------------------------------------------------------------===//
     34 // 64-bit transformation functions.
     35 //
     36 
     37 def SHL64 : SDNodeXForm<imm, [{
     38   // Transformation function: 63 - imm
     39   return getI32Imm(63 - N->getZExtValue());
     40 }]>;
     41 
     42 def SRL64 : SDNodeXForm<imm, [{
     43   // Transformation function: 64 - imm
     44   return N->getZExtValue() ? getI32Imm(64 - N->getZExtValue()) : getI32Imm(0);
     45 }]>;
     46 
     47 def HI32_48 : SDNodeXForm<imm, [{
     48   // Transformation function: shift the immediate value down into the low bits.
     49   return getI32Imm((unsigned short)(N->getZExtValue() >> 32));
     50 }]>;
     51 
     52 def HI48_64 : SDNodeXForm<imm, [{
     53   // Transformation function: shift the immediate value down into the low bits.
     54   return getI32Imm((unsigned short)(N->getZExtValue() >> 48));
     55 }]>;
     56 
     57 
     58 //===----------------------------------------------------------------------===//
     59 // Calls.
     60 //
     61 
     62 let Defs = [LR8] in
     63   def MovePCtoLR8 : Pseudo<(outs), (ins), "", []>,
     64                     PPC970_Unit_BRU;
     65 
     66 // Darwin ABI Calls.
     67 let isCall = 1, PPC970_Unit = 7, 
     68   // All calls clobber the PPC64 non-callee saved registers.
     69   Defs = [X0,X2,X3,X4,X5,X6,X7,X8,X9,X10,X11,X12,
     70           F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
     71           V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
     72           LR8,CTR8,
     73           CR0,CR1,CR5,CR6,CR7,CARRY] in {
     74   // Convenient aliases for call instructions
     75   let Uses = [RM] in {
     76     def BL8_Darwin  : IForm<18, 0, 1,
     77                             (outs), (ins calltarget:$func, variable_ops), 
     78                             "bl $func", BrB, []>;  // See Pat patterns below.
     79     def BLA8_Darwin : IForm<18, 1, 1,
     80                           (outs), (ins aaddr:$func, variable_ops),
     81                           "bla $func", BrB, [(PPCcall_Darwin (i64 imm:$func))]>;
     82   }
     83   let Uses = [CTR8, RM] in {
     84     def BCTRL8_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, 
     85                                   (outs), (ins variable_ops),
     86                                   "bctrl", BrB,
     87                                   [(PPCbctrl_Darwin)]>, Requires<[In64BitMode]>;
     88   }
     89 }
     90 
     91 // ELF 64 ABI Calls = Darwin ABI Calls
     92 // Used to define BL8_ELF and BLA8_ELF
     93 let isCall = 1, PPC970_Unit = 7, 
     94   // All calls clobber the PPC64 non-callee saved registers.
     95   Defs = [X0,X2,X3,X4,X5,X6,X7,X8,X9,X10,X11,X12,
     96           F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
     97           V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
     98           LR8,CTR8,
     99           CR0,CR1,CR5,CR6,CR7,CARRY] in {
    100   // Convenient aliases for call instructions
    101   let Uses = [RM] in {
    102     def BL8_ELF  : IForm<18, 0, 1,
    103                          (outs), (ins calltarget:$func, variable_ops), 
    104                          "bl $func", BrB, []>;  // See Pat patterns below.                            
    105     def BLA8_ELF : IForm<18, 1, 1,
    106                          (outs), (ins aaddr:$func, variable_ops),
    107                          "bla $func", BrB, [(PPCcall_SVR4 (i64 imm:$func))]>;
    108   }
    109   let Uses = [CTR8, RM] in {
    110     def BCTRL8_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
    111                                (outs), (ins variable_ops),
    112                                "bctrl", BrB,
    113                                [(PPCbctrl_SVR4)]>, Requires<[In64BitMode]>;
    114   }
    115 }
    116 
    117 
    118 // Calls
    119 def : Pat<(PPCcall_Darwin (i64 tglobaladdr:$dst)),
    120           (BL8_Darwin tglobaladdr:$dst)>;
    121 def : Pat<(PPCcall_Darwin (i64 texternalsym:$dst)),
    122           (BL8_Darwin texternalsym:$dst)>;
    123 
    124 def : Pat<(PPCcall_SVR4 (i64 tglobaladdr:$dst)),
    125           (BL8_ELF tglobaladdr:$dst)>;
    126 def : Pat<(PPCcall_SVR4 (i64 texternalsym:$dst)),
    127           (BL8_ELF texternalsym:$dst)>;
    128 def : Pat<(PPCnop),
    129           (NOP)>;
    130 
    131 // Atomic operations
    132 let usesCustomInserter = 1 in {
    133   let Defs = [CR0] in {
    134     def ATOMIC_LOAD_ADD_I64 : Pseudo<
    135       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$incr), "",
    136       [(set G8RC:$dst, (atomic_load_add_64 xoaddr:$ptr, G8RC:$incr))]>;
    137     def ATOMIC_LOAD_SUB_I64 : Pseudo<
    138       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$incr), "",
    139       [(set G8RC:$dst, (atomic_load_sub_64 xoaddr:$ptr, G8RC:$incr))]>;
    140     def ATOMIC_LOAD_OR_I64 : Pseudo<
    141       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$incr), "",
    142       [(set G8RC:$dst, (atomic_load_or_64 xoaddr:$ptr, G8RC:$incr))]>;
    143     def ATOMIC_LOAD_XOR_I64 : Pseudo<
    144       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$incr), "",
    145       [(set G8RC:$dst, (atomic_load_xor_64 xoaddr:$ptr, G8RC:$incr))]>;
    146     def ATOMIC_LOAD_AND_I64 : Pseudo<
    147       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$incr), "",
    148       [(set G8RC:$dst, (atomic_load_and_64 xoaddr:$ptr, G8RC:$incr))]>;
    149     def ATOMIC_LOAD_NAND_I64 : Pseudo<
    150       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$incr), "",
    151       [(set G8RC:$dst, (atomic_load_nand_64 xoaddr:$ptr, G8RC:$incr))]>;
    152 
    153     def ATOMIC_CMP_SWAP_I64 : Pseudo<
    154       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$old, G8RC:$new), "",
    155       [(set G8RC:$dst, 
    156                     (atomic_cmp_swap_64 xoaddr:$ptr, G8RC:$old, G8RC:$new))]>;
    157 
    158     def ATOMIC_SWAP_I64 : Pseudo<
    159       (outs G8RC:$dst), (ins memrr:$ptr, G8RC:$new), "",
    160       [(set G8RC:$dst, (atomic_swap_64 xoaddr:$ptr, G8RC:$new))]>;
    161   }
    162 }
    163 
    164 // Instructions to support atomic operations
    165 def LDARX : XForm_1<31,  84, (outs G8RC:$rD), (ins memrr:$ptr),
    166                    "ldarx $rD, $ptr", LdStLDARX,
    167                    [(set G8RC:$rD, (PPClarx xoaddr:$ptr))]>;
    168 
    169 let Defs = [CR0] in
    170 def STDCX : XForm_1<31, 214, (outs), (ins G8RC:$rS, memrr:$dst),
    171                    "stdcx. $rS, $dst", LdStSTDCX,
    172                    [(PPCstcx G8RC:$rS, xoaddr:$dst)]>,
    173                    isDOT;
    174 
    175 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
    176 def TCRETURNdi8 :Pseudo< (outs),
    177                         (ins calltarget:$dst, i32imm:$offset, variable_ops),
    178                  "#TC_RETURNd8 $dst $offset",
    179                  []>;
    180 
    181 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
    182 def TCRETURNai8 :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset, variable_ops),
    183                  "#TC_RETURNa8 $func $offset",
    184                  [(PPCtc_return (i64 imm:$func), imm:$offset)]>;
    185 
    186 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
    187 def TCRETURNri8 : Pseudo<(outs), (ins CTRRC8:$dst, i32imm:$offset, variable_ops),
    188                  "#TC_RETURNr8 $dst $offset",
    189                  []>;
    190 
    191 
    192 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
    193     isIndirectBranch = 1, isCall = 1, Uses = [CTR8, RM] in {
    194   let isReturn = 1 in {
    195     def TAILBCTR8 : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
    196         Requires<[In64BitMode]>;
    197   }
    198 
    199   def BCTR8 : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
    200       Requires<[In64BitMode]>;
    201 }
    202 
    203 
    204 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
    205     isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
    206 def TAILB8   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
    207                   "b $dst", BrB,
    208                   []>;
    209 
    210 
    211 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
    212     isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
    213 def TAILBA8   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
    214                   "ba $dst", BrB,
    215                   []>;
    216 
    217 def : Pat<(PPCtc_return (i64 tglobaladdr:$dst),  imm:$imm),
    218           (TCRETURNdi8 tglobaladdr:$dst, imm:$imm)>;
    219 
    220 def : Pat<(PPCtc_return (i64 texternalsym:$dst), imm:$imm),
    221           (TCRETURNdi8 texternalsym:$dst, imm:$imm)>;
    222 
    223 def : Pat<(PPCtc_return CTRRC8:$dst, imm:$imm),
    224           (TCRETURNri8 CTRRC8:$dst, imm:$imm)>;
    225 
    226 
    227 //===----------------------------------------------------------------------===//
    228 // 64-bit SPR manipulation instrs.
    229 
    230 let Uses = [CTR8] in {
    231 def MFCTR8 : XFXForm_1_ext<31, 339, 9, (outs G8RC:$rT), (ins),
    232                            "mfctr $rT", SprMFSPR>,
    233              PPC970_DGroup_First, PPC970_Unit_FXU;
    234 }
    235 let Pattern = [(PPCmtctr G8RC:$rS)], Defs = [CTR8] in {
    236 def MTCTR8 : XFXForm_7_ext<31, 467, 9, (outs), (ins G8RC:$rS),
    237                            "mtctr $rS", SprMTSPR>,
    238              PPC970_DGroup_First, PPC970_Unit_FXU;
    239 }
    240 
    241 let Defs = [X1], Uses = [X1] in
    242 def DYNALLOC8 : Pseudo<(outs G8RC:$result), (ins G8RC:$negsize, memri:$fpsi),"",
    243                        [(set G8RC:$result,
    244                              (PPCdynalloc G8RC:$negsize, iaddr:$fpsi))]>;
    245 
    246 let Defs = [LR8] in {
    247 def MTLR8  : XFXForm_7_ext<31, 467, 8, (outs), (ins G8RC:$rS),
    248                            "mtlr $rS", SprMTSPR>,
    249              PPC970_DGroup_First, PPC970_Unit_FXU;
    250 }
    251 let Uses = [LR8] in {
    252 def MFLR8  : XFXForm_1_ext<31, 339, 8, (outs G8RC:$rT), (ins),
    253                            "mflr $rT", SprMFSPR>,
    254              PPC970_DGroup_First, PPC970_Unit_FXU;
    255 }
    256 
    257 //===----------------------------------------------------------------------===//
    258 // Fixed point instructions.
    259 //
    260 
    261 let PPC970_Unit = 1 in {  // FXU Operations.
    262 
    263 // Copies, extends, truncates.
    264 def OR4To8  : XForm_6<31, 444, (outs G8RC:$rA), (ins GPRC:$rS, GPRC:$rB),
    265                    "or $rA, $rS, $rB", IntGeneral,
    266                    []>;
    267 def OR8To4  : XForm_6<31, 444, (outs GPRC:$rA), (ins G8RC:$rS, G8RC:$rB),
    268                    "or $rA, $rS, $rB", IntGeneral,
    269                    []>;
    270 
    271 def LI8  : DForm_2_r0<14, (outs G8RC:$rD), (ins symbolLo64:$imm),
    272                       "li $rD, $imm", IntGeneral,
    273                       [(set G8RC:$rD, immSExt16:$imm)]>;
    274 def LIS8 : DForm_2_r0<15, (outs G8RC:$rD), (ins symbolHi64:$imm),
    275                       "lis $rD, $imm", IntGeneral,
    276                       [(set G8RC:$rD, imm16ShiftedSExt:$imm)]>;
    277 
    278 // Logical ops.
    279 def NAND8: XForm_6<31, 476, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    280                    "nand $rA, $rS, $rB", IntGeneral,
    281                    [(set G8RC:$rA, (not (and G8RC:$rS, G8RC:$rB)))]>;
    282 def AND8 : XForm_6<31,  28, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    283                    "and $rA, $rS, $rB", IntGeneral,
    284                    [(set G8RC:$rA, (and G8RC:$rS, G8RC:$rB))]>;
    285 def ANDC8: XForm_6<31,  60, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    286                    "andc $rA, $rS, $rB", IntGeneral,
    287                    [(set G8RC:$rA, (and G8RC:$rS, (not G8RC:$rB)))]>;
    288 def OR8  : XForm_6<31, 444, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    289                    "or $rA, $rS, $rB", IntGeneral,
    290                    [(set G8RC:$rA, (or G8RC:$rS, G8RC:$rB))]>;
    291 def NOR8 : XForm_6<31, 124, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    292                    "nor $rA, $rS, $rB", IntGeneral,
    293                    [(set G8RC:$rA, (not (or G8RC:$rS, G8RC:$rB)))]>;
    294 def ORC8 : XForm_6<31, 412, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    295                    "orc $rA, $rS, $rB", IntGeneral,
    296                    [(set G8RC:$rA, (or G8RC:$rS, (not G8RC:$rB)))]>;
    297 def EQV8 : XForm_6<31, 284, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    298                    "eqv $rA, $rS, $rB", IntGeneral,
    299                    [(set G8RC:$rA, (not (xor G8RC:$rS, G8RC:$rB)))]>;
    300 def XOR8 : XForm_6<31, 316, (outs G8RC:$rA), (ins G8RC:$rS, G8RC:$rB),
    301                    "xor $rA, $rS, $rB", IntGeneral,
    302                    [(set G8RC:$rA, (xor G8RC:$rS, G8RC:$rB))]>;
    303 
    304 // Logical ops with immediate.
    305 def ANDIo8  : DForm_4<28, (outs G8RC:$dst), (ins G8RC:$src1, u16imm:$src2),
    306                       "andi. $dst, $src1, $src2", IntGeneral,
    307                       [(set G8RC:$dst, (and G8RC:$src1, immZExt16:$src2))]>,
    308                       isDOT;
    309 def ANDISo8 : DForm_4<29, (outs G8RC:$dst), (ins G8RC:$src1, u16imm:$src2),
    310                      "andis. $dst, $src1, $src2", IntGeneral,
    311                     [(set G8RC:$dst, (and G8RC:$src1,imm16ShiftedZExt:$src2))]>,
    312                      isDOT;
    313 def ORI8    : DForm_4<24, (outs G8RC:$dst), (ins G8RC:$src1, u16imm:$src2),
    314                       "ori $dst, $src1, $src2", IntGeneral,
    315                       [(set G8RC:$dst, (or G8RC:$src1, immZExt16:$src2))]>;
    316 def ORIS8   : DForm_4<25, (outs G8RC:$dst), (ins G8RC:$src1, u16imm:$src2),
    317                       "oris $dst, $src1, $src2", IntGeneral,
    318                     [(set G8RC:$dst, (or G8RC:$src1, imm16ShiftedZExt:$src2))]>;
    319 def XORI8   : DForm_4<26, (outs G8RC:$dst), (ins G8RC:$src1, u16imm:$src2),
    320                       "xori $dst, $src1, $src2", IntGeneral,
    321                       [(set G8RC:$dst, (xor G8RC:$src1, immZExt16:$src2))]>;
    322 def XORIS8  : DForm_4<27, (outs G8RC:$dst), (ins G8RC:$src1, u16imm:$src2),
    323                       "xoris $dst, $src1, $src2", IntGeneral,
    324                    [(set G8RC:$dst, (xor G8RC:$src1, imm16ShiftedZExt:$src2))]>;
    325 
    326 def ADD8  : XOForm_1<31, 266, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    327                      "add $rT, $rA, $rB", IntGeneral,
    328                      [(set G8RC:$rT, (add G8RC:$rA, G8RC:$rB))]>;
    329                      
    330 let Defs = [CARRY] in {
    331 def ADDC8 : XOForm_1<31, 10, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    332                      "addc $rT, $rA, $rB", IntGeneral,
    333                      [(set G8RC:$rT, (addc G8RC:$rA, G8RC:$rB))]>,
    334                      PPC970_DGroup_Cracked;
    335 def ADDIC8 : DForm_2<12, (outs G8RC:$rD), (ins G8RC:$rA, s16imm64:$imm),
    336                      "addic $rD, $rA, $imm", IntGeneral,
    337                      [(set G8RC:$rD, (addc G8RC:$rA, immSExt16:$imm))]>;
    338 }
    339 def ADDI8  : DForm_2<14, (outs G8RC:$rD), (ins G8RC:$rA, s16imm64:$imm),
    340                      "addi $rD, $rA, $imm", IntGeneral,
    341                      [(set G8RC:$rD, (add G8RC:$rA, immSExt16:$imm))]>;
    342 def ADDIS8 : DForm_2<15, (outs G8RC:$rD), (ins G8RC:$rA, symbolHi64:$imm),
    343                      "addis $rD, $rA, $imm", IntGeneral,
    344                      [(set G8RC:$rD, (add G8RC:$rA, imm16ShiftedSExt:$imm))]>;
    345 
    346 let Defs = [CARRY] in {
    347 def SUBFIC8: DForm_2< 8, (outs G8RC:$rD), (ins G8RC:$rA, s16imm64:$imm),
    348                      "subfic $rD, $rA, $imm", IntGeneral,
    349                      [(set G8RC:$rD, (subc immSExt16:$imm, G8RC:$rA))]>;
    350 def SUBFC8 : XOForm_1<31, 8, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    351                       "subfc $rT, $rA, $rB", IntGeneral,
    352                       [(set G8RC:$rT, (subc G8RC:$rB, G8RC:$rA))]>,
    353                       PPC970_DGroup_Cracked;
    354 }
    355 def SUBF8 : XOForm_1<31, 40, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    356                      "subf $rT, $rA, $rB", IntGeneral,
    357                      [(set G8RC:$rT, (sub G8RC:$rB, G8RC:$rA))]>;
    358 def NEG8    : XOForm_3<31, 104, 0, (outs G8RC:$rT), (ins G8RC:$rA),
    359                        "neg $rT, $rA", IntGeneral,
    360                        [(set G8RC:$rT, (ineg G8RC:$rA))]>;
    361 let Uses = [CARRY], Defs = [CARRY] in {
    362 def ADDE8   : XOForm_1<31, 138, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    363                        "adde $rT, $rA, $rB", IntGeneral,
    364                        [(set G8RC:$rT, (adde G8RC:$rA, G8RC:$rB))]>;
    365 def ADDME8  : XOForm_3<31, 234, 0, (outs G8RC:$rT), (ins G8RC:$rA),
    366                        "addme $rT, $rA", IntGeneral,
    367                        [(set G8RC:$rT, (adde G8RC:$rA, -1))]>;
    368 def ADDZE8  : XOForm_3<31, 202, 0, (outs G8RC:$rT), (ins G8RC:$rA),
    369                        "addze $rT, $rA", IntGeneral,
    370                        [(set G8RC:$rT, (adde G8RC:$rA, 0))]>;
    371 def SUBFE8  : XOForm_1<31, 136, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    372                        "subfe $rT, $rA, $rB", IntGeneral,
    373                        [(set G8RC:$rT, (sube G8RC:$rB, G8RC:$rA))]>;
    374 def SUBFME8 : XOForm_3<31, 232, 0, (outs G8RC:$rT), (ins G8RC:$rA),
    375                        "subfme $rT, $rA", IntGeneral,
    376                        [(set G8RC:$rT, (sube -1, G8RC:$rA))]>;
    377 def SUBFZE8 : XOForm_3<31, 200, 0, (outs G8RC:$rT), (ins G8RC:$rA),
    378                        "subfze $rT, $rA", IntGeneral,
    379                        [(set G8RC:$rT, (sube 0, G8RC:$rA))]>;
    380 }
    381 
    382 
    383 def MULHD : XOForm_1<31, 73, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    384                      "mulhd $rT, $rA, $rB", IntMulHW,
    385                      [(set G8RC:$rT, (mulhs G8RC:$rA, G8RC:$rB))]>;
    386 def MULHDU : XOForm_1<31, 9, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    387                      "mulhdu $rT, $rA, $rB", IntMulHWU,
    388                      [(set G8RC:$rT, (mulhu G8RC:$rA, G8RC:$rB))]>;
    389 
    390 def CMPD   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins G8RC:$rA, G8RC:$rB),
    391                           "cmpd $crD, $rA, $rB", IntCompare>, isPPC64;
    392 def CMPLD  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins G8RC:$rA, G8RC:$rB),
    393                           "cmpld $crD, $rA, $rB", IntCompare>, isPPC64;
    394 def CMPDI  : DForm_5_ext<11, (outs CRRC:$crD), (ins G8RC:$rA, s16imm:$imm),
    395                          "cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
    396 def CMPLDI : DForm_6_ext<10, (outs CRRC:$dst), (ins G8RC:$src1, u16imm:$src2),
    397                          "cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
    398 
    399 def SLD  : XForm_6<31,  27, (outs G8RC:$rA), (ins G8RC:$rS, GPRC:$rB),
    400                    "sld $rA, $rS, $rB", IntRotateD,
    401                    [(set G8RC:$rA, (PPCshl G8RC:$rS, GPRC:$rB))]>, isPPC64;
    402 def SRD  : XForm_6<31, 539, (outs G8RC:$rA), (ins G8RC:$rS, GPRC:$rB),
    403                    "srd $rA, $rS, $rB", IntRotateD,
    404                    [(set G8RC:$rA, (PPCsrl G8RC:$rS, GPRC:$rB))]>, isPPC64;
    405 let Defs = [CARRY] in {
    406 def SRAD : XForm_6<31, 794, (outs G8RC:$rA), (ins G8RC:$rS, GPRC:$rB),
    407                    "srad $rA, $rS, $rB", IntRotateD,
    408                    [(set G8RC:$rA, (PPCsra G8RC:$rS, GPRC:$rB))]>, isPPC64;
    409 }
    410                    
    411 def EXTSB8 : XForm_11<31, 954, (outs G8RC:$rA), (ins G8RC:$rS),
    412                       "extsb $rA, $rS", IntGeneral,
    413                       [(set G8RC:$rA, (sext_inreg G8RC:$rS, i8))]>;
    414 def EXTSH8 : XForm_11<31, 922, (outs G8RC:$rA), (ins G8RC:$rS),
    415                       "extsh $rA, $rS", IntGeneral,
    416                       [(set G8RC:$rA, (sext_inreg G8RC:$rS, i16))]>;
    417 
    418 def EXTSW  : XForm_11<31, 986, (outs G8RC:$rA), (ins G8RC:$rS),
    419                       "extsw $rA, $rS", IntGeneral,
    420                       [(set G8RC:$rA, (sext_inreg G8RC:$rS, i32))]>, isPPC64;
    421 /// EXTSW_32 - Just like EXTSW, but works on '32-bit' registers.
    422 def EXTSW_32 : XForm_11<31, 986, (outs GPRC:$rA), (ins GPRC:$rS),
    423                       "extsw $rA, $rS", IntGeneral,
    424                       [(set GPRC:$rA, (PPCextsw_32 GPRC:$rS))]>, isPPC64;
    425 def EXTSW_32_64 : XForm_11<31, 986, (outs G8RC:$rA), (ins GPRC:$rS),
    426                       "extsw $rA, $rS", IntGeneral,
    427                       [(set G8RC:$rA, (sext GPRC:$rS))]>, isPPC64;
    428 
    429 let Defs = [CARRY] in {
    430 def SRADI  : XSForm_1<31, 413, (outs G8RC:$rA), (ins G8RC:$rS, u6imm:$SH),
    431                       "sradi $rA, $rS, $SH", IntRotateD,
    432                       [(set G8RC:$rA, (sra G8RC:$rS, (i32 imm:$SH)))]>, isPPC64;
    433 }
    434 def CNTLZD : XForm_11<31, 58, (outs G8RC:$rA), (ins G8RC:$rS),
    435                       "cntlzd $rA, $rS", IntGeneral,
    436                       [(set G8RC:$rA, (ctlz G8RC:$rS))]>;
    437 
    438 def DIVD  : XOForm_1<31, 489, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    439                      "divd $rT, $rA, $rB", IntDivD,
    440                      [(set G8RC:$rT, (sdiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
    441                      PPC970_DGroup_First, PPC970_DGroup_Cracked;
    442 def DIVDU : XOForm_1<31, 457, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    443                      "divdu $rT, $rA, $rB", IntDivD,
    444                      [(set G8RC:$rT, (udiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
    445                      PPC970_DGroup_First, PPC970_DGroup_Cracked;
    446 def MULLD : XOForm_1<31, 233, 0, (outs G8RC:$rT), (ins G8RC:$rA, G8RC:$rB),
    447                      "mulld $rT, $rA, $rB", IntMulHD,
    448                      [(set G8RC:$rT, (mul G8RC:$rA, G8RC:$rB))]>, isPPC64;
    449 
    450 
    451 let isCommutable = 1 in {
    452 def RLDIMI : MDForm_1<30, 3,
    453                       (outs G8RC:$rA), (ins G8RC:$rSi, G8RC:$rS, u6imm:$SH, u6imm:$MB),
    454                       "rldimi $rA, $rS, $SH, $MB", IntRotateD,
    455                       []>, isPPC64, RegConstraint<"$rSi = $rA">,
    456                       NoEncode<"$rSi">;
    457 }
    458 
    459 // Rotate instructions.
    460 def RLDCL  : MDForm_1<30, 0,
    461                       (outs G8RC:$rA), (ins G8RC:$rS, GPRC:$rB, u6imm:$MB),
    462                       "rldcl $rA, $rS, $rB, $MB", IntRotateD,
    463                       []>, isPPC64;
    464 def RLDICL : MDForm_1<30, 0,
    465                       (outs G8RC:$rA), (ins G8RC:$rS, u6imm:$SH, u6imm:$MB),
    466                       "rldicl $rA, $rS, $SH, $MB", IntRotateD,
    467                       []>, isPPC64;
    468 def RLDICR : MDForm_1<30, 1,
    469                       (outs G8RC:$rA), (ins G8RC:$rS, u6imm:$SH, u6imm:$ME),
    470                       "rldicr $rA, $rS, $SH, $ME", IntRotateD,
    471                       []>, isPPC64;
    472 }  // End FXU Operations.
    473 
    474 
    475 //===----------------------------------------------------------------------===//
    476 // Load/Store instructions.
    477 //
    478 
    479 
    480 // Sign extending loads.
    481 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
    482 def LHA8: DForm_1<42, (outs G8RC:$rD), (ins memri:$src),
    483                   "lha $rD, $src", LdStLHA,
    484                   [(set G8RC:$rD, (sextloadi16 iaddr:$src))]>,
    485                   PPC970_DGroup_Cracked;
    486 def LWA  : DSForm_1<58, 2, (outs G8RC:$rD), (ins memrix:$src),
    487                     "lwa $rD, $src", LdStLWA,
    488                     [(set G8RC:$rD, (sextloadi32 ixaddr:$src))]>, isPPC64,
    489                     PPC970_DGroup_Cracked;
    490 def LHAX8: XForm_1<31, 343, (outs G8RC:$rD), (ins memrr:$src),
    491                    "lhax $rD, $src", LdStLHA,
    492                    [(set G8RC:$rD, (sextloadi16 xaddr:$src))]>,
    493                    PPC970_DGroup_Cracked;
    494 def LWAX : XForm_1<31, 341, (outs G8RC:$rD), (ins memrr:$src),
    495                    "lwax $rD, $src", LdStLHA,
    496                    [(set G8RC:$rD, (sextloadi32 xaddr:$src))]>, isPPC64,
    497                    PPC970_DGroup_Cracked;
    498 
    499 // Update forms.
    500 let mayLoad = 1 in
    501 def LHAU8 : DForm_1a<43, (outs G8RC:$rD, ptr_rc:$ea_result), (ins symbolLo:$disp,
    502                             ptr_rc:$rA),
    503                     "lhau $rD, $disp($rA)", LdStGeneral,
    504                     []>, RegConstraint<"$rA = $ea_result">,
    505                     NoEncode<"$ea_result">;
    506 // NO LWAU!
    507 
    508 }
    509 
    510 // Zero extending loads.
    511 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
    512 def LBZ8 : DForm_1<34, (outs G8RC:$rD), (ins memri:$src),
    513                   "lbz $rD, $src", LdStGeneral,
    514                   [(set G8RC:$rD, (zextloadi8 iaddr:$src))]>;
    515 def LHZ8 : DForm_1<40, (outs G8RC:$rD), (ins memri:$src),
    516                   "lhz $rD, $src", LdStGeneral,
    517                   [(set G8RC:$rD, (zextloadi16 iaddr:$src))]>;
    518 def LWZ8 : DForm_1<32, (outs G8RC:$rD), (ins memri:$src),
    519                   "lwz $rD, $src", LdStGeneral,
    520                   [(set G8RC:$rD, (zextloadi32 iaddr:$src))]>, isPPC64;
    521 
    522 def LBZX8 : XForm_1<31,  87, (outs G8RC:$rD), (ins memrr:$src),
    523                    "lbzx $rD, $src", LdStGeneral,
    524                    [(set G8RC:$rD, (zextloadi8 xaddr:$src))]>;
    525 def LHZX8 : XForm_1<31, 279, (outs G8RC:$rD), (ins memrr:$src),
    526                    "lhzx $rD, $src", LdStGeneral,
    527                    [(set G8RC:$rD, (zextloadi16 xaddr:$src))]>;
    528 def LWZX8 : XForm_1<31,  23, (outs G8RC:$rD), (ins memrr:$src),
    529                    "lwzx $rD, $src", LdStGeneral,
    530                    [(set G8RC:$rD, (zextloadi32 xaddr:$src))]>;
    531                    
    532                    
    533 // Update forms.
    534 let mayLoad = 1 in {
    535 def LBZU8 : DForm_1<35, (outs G8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
    536                     "lbzu $rD, $addr", LdStGeneral,
    537                     []>, RegConstraint<"$addr.reg = $ea_result">,
    538                     NoEncode<"$ea_result">;
    539 def LHZU8 : DForm_1<41, (outs G8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
    540                     "lhzu $rD, $addr", LdStGeneral,
    541                     []>, RegConstraint<"$addr.reg = $ea_result">,
    542                     NoEncode<"$ea_result">;
    543 def LWZU8 : DForm_1<33, (outs G8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
    544                     "lwzu $rD, $addr", LdStGeneral,
    545                     []>, RegConstraint<"$addr.reg = $ea_result">,
    546                     NoEncode<"$ea_result">;
    547 }
    548 }
    549 
    550 
    551 // Full 8-byte loads.
    552 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
    553 def LD   : DSForm_1<58, 0, (outs G8RC:$rD), (ins memrix:$src),
    554                     "ld $rD, $src", LdStLD,
    555                     [(set G8RC:$rD, (load ixaddr:$src))]>, isPPC64;
    556 def LDtoc: Pseudo<(outs G8RC:$rD), (ins tocentry:$disp, G8RC:$reg),
    557                   "",
    558                   [(set G8RC:$rD,
    559                      (PPCtoc_entry tglobaladdr:$disp, G8RC:$reg))]>, isPPC64;
    560                      
    561 let RST = 2, DS_RA = 0 in // FIXME: Should be a pseudo.
    562 def LDinto_toc: DSForm_1<58, 0, (outs), (ins G8RC:$reg),
    563                     "ld 2, 8($reg)", LdStLD,
    564                     [(PPCload_toc G8RC:$reg)]>, isPPC64;
    565                     
    566 let RST = 2, DS_RA = 0 in // FIXME: Should be a pseudo.
    567 def LDtoc_restore : DSForm_1<58, 0, (outs), (ins),
    568                     "ld 2, 40(1)", LdStLD,
    569                     [(PPCtoc_restore)]>, isPPC64;
    570 def LDX  : XForm_1<31,  21, (outs G8RC:$rD), (ins memrr:$src),
    571                    "ldx $rD, $src", LdStLD,
    572                    [(set G8RC:$rD, (load xaddr:$src))]>, isPPC64;
    573                    
    574 let mayLoad = 1 in
    575 def LDU  : DSForm_1<58, 1, (outs G8RC:$rD, ptr_rc:$ea_result), (ins memrix:$addr),
    576                     "ldu $rD, $addr", LdStLD,
    577                     []>, RegConstraint<"$addr.reg = $ea_result">, isPPC64,
    578                     NoEncode<"$ea_result">;
    579 
    580 }
    581 
    582 def : Pat<(PPCload ixaddr:$src),
    583           (LD ixaddr:$src)>;
    584 def : Pat<(PPCload xaddr:$src),
    585           (LDX xaddr:$src)>;
    586 
    587 let PPC970_Unit = 2 in {
    588 // Truncating stores.                       
    589 def STB8 : DForm_1<38, (outs), (ins G8RC:$rS, memri:$src),
    590                    "stb $rS, $src", LdStGeneral,
    591                    [(truncstorei8 G8RC:$rS, iaddr:$src)]>;
    592 def STH8 : DForm_1<44, (outs), (ins G8RC:$rS, memri:$src),
    593                    "sth $rS, $src", LdStGeneral,
    594                    [(truncstorei16 G8RC:$rS, iaddr:$src)]>;
    595 def STW8 : DForm_1<36, (outs), (ins G8RC:$rS, memri:$src),
    596                    "stw $rS, $src", LdStGeneral,
    597                    [(truncstorei32 G8RC:$rS, iaddr:$src)]>;
    598 def STBX8 : XForm_8<31, 215, (outs), (ins G8RC:$rS, memrr:$dst),
    599                    "stbx $rS, $dst", LdStGeneral,
    600                    [(truncstorei8 G8RC:$rS, xaddr:$dst)]>, 
    601                    PPC970_DGroup_Cracked;
    602 def STHX8 : XForm_8<31, 407, (outs), (ins G8RC:$rS, memrr:$dst),
    603                    "sthx $rS, $dst", LdStGeneral,
    604                    [(truncstorei16 G8RC:$rS, xaddr:$dst)]>, 
    605                    PPC970_DGroup_Cracked;
    606 def STWX8 : XForm_8<31, 151, (outs), (ins G8RC:$rS, memrr:$dst),
    607                    "stwx $rS, $dst", LdStGeneral,
    608                    [(truncstorei32 G8RC:$rS, xaddr:$dst)]>,
    609                    PPC970_DGroup_Cracked;
    610 // Normal 8-byte stores.
    611 def STD  : DSForm_1<62, 0, (outs), (ins G8RC:$rS, memrix:$dst),
    612                     "std $rS, $dst", LdStSTD,
    613                     [(store G8RC:$rS, ixaddr:$dst)]>, isPPC64;
    614 def STDX  : XForm_8<31, 149, (outs), (ins G8RC:$rS, memrr:$dst),
    615                    "stdx $rS, $dst", LdStSTD,
    616                    [(store G8RC:$rS, xaddr:$dst)]>, isPPC64,
    617                    PPC970_DGroup_Cracked;
    618 }
    619 
    620 let PPC970_Unit = 2 in {
    621 
    622 def STBU8 : DForm_1a<38, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
    623                              symbolLo:$ptroff, ptr_rc:$ptrreg),
    624                     "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
    625                     [(set ptr_rc:$ea_res,
    626                           (pre_truncsti8 G8RC:$rS, ptr_rc:$ptrreg, 
    627                                          iaddroff:$ptroff))]>,
    628                     RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
    629 def STHU8 : DForm_1a<45, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
    630                              symbolLo:$ptroff, ptr_rc:$ptrreg),
    631                     "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
    632                     [(set ptr_rc:$ea_res,
    633                         (pre_truncsti16 G8RC:$rS, ptr_rc:$ptrreg, 
    634                                         iaddroff:$ptroff))]>,
    635                     RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
    636 
    637 def STDU : DSForm_1a<62, 1, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
    638                                         s16immX4:$ptroff, ptr_rc:$ptrreg),
    639                     "stdu $rS, $ptroff($ptrreg)", LdStSTD,
    640                     [(set ptr_rc:$ea_res, (pre_store G8RC:$rS, ptr_rc:$ptrreg, 
    641                                                      iaddroff:$ptroff))]>,
    642                     RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">,
    643                     isPPC64;
    644 
    645 let mayStore = 1 in
    646 def STDUX : XForm_8<31, 181, (outs), (ins G8RC:$rS, memrr:$dst),
    647                    "stdux $rS, $dst", LdStSTD,
    648                    []>, isPPC64;
    649 
    650 // STD_32/STDX_32 - Just like STD/STDX, but uses a '32-bit' input register.
    651 def STD_32  : DSForm_1<62, 0, (outs), (ins GPRC:$rT, memrix:$dst),
    652                        "std $rT, $dst", LdStSTD,
    653                        [(PPCstd_32  GPRC:$rT, ixaddr:$dst)]>, isPPC64;
    654 def STDX_32  : XForm_8<31, 149, (outs), (ins GPRC:$rT, memrr:$dst),
    655                        "stdx $rT, $dst", LdStSTD,
    656                        [(PPCstd_32  GPRC:$rT, xaddr:$dst)]>, isPPC64,
    657                        PPC970_DGroup_Cracked;
    658 }
    659 
    660 
    661 
    662 //===----------------------------------------------------------------------===//
    663 // Floating point instructions.
    664 //
    665 
    666 
    667 let PPC970_Unit = 3, Uses = [RM] in {  // FPU Operations.
    668 def FCFID  : XForm_26<63, 846, (outs F8RC:$frD), (ins F8RC:$frB),
    669                       "fcfid $frD, $frB", FPGeneral,
    670                       [(set F8RC:$frD, (PPCfcfid F8RC:$frB))]>, isPPC64;
    671 def FCTIDZ : XForm_26<63, 815, (outs F8RC:$frD), (ins F8RC:$frB),
    672                       "fctidz $frD, $frB", FPGeneral,
    673                       [(set F8RC:$frD, (PPCfctidz F8RC:$frB))]>, isPPC64;
    674 }
    675 
    676 
    677 //===----------------------------------------------------------------------===//
    678 // Instruction Patterns
    679 //
    680 
    681 // Extensions and truncates to/from 32-bit regs.
    682 def : Pat<(i64 (zext GPRC:$in)),
    683           (RLDICL (OR4To8 GPRC:$in, GPRC:$in), 0, 32)>;
    684 def : Pat<(i64 (anyext GPRC:$in)),
    685           (OR4To8 GPRC:$in, GPRC:$in)>;
    686 def : Pat<(i32 (trunc G8RC:$in)),
    687           (OR8To4 G8RC:$in, G8RC:$in)>;
    688 
    689 // Extending loads with i64 targets.
    690 def : Pat<(zextloadi1 iaddr:$src),
    691           (LBZ8 iaddr:$src)>;
    692 def : Pat<(zextloadi1 xaddr:$src),
    693           (LBZX8 xaddr:$src)>;
    694 def : Pat<(extloadi1 iaddr:$src),
    695           (LBZ8 iaddr:$src)>;
    696 def : Pat<(extloadi1 xaddr:$src),
    697           (LBZX8 xaddr:$src)>;
    698 def : Pat<(extloadi8 iaddr:$src),
    699           (LBZ8 iaddr:$src)>;
    700 def : Pat<(extloadi8 xaddr:$src),
    701           (LBZX8 xaddr:$src)>;
    702 def : Pat<(extloadi16 iaddr:$src),
    703           (LHZ8 iaddr:$src)>;
    704 def : Pat<(extloadi16 xaddr:$src),
    705           (LHZX8 xaddr:$src)>;
    706 def : Pat<(extloadi32 iaddr:$src),
    707           (LWZ8 iaddr:$src)>;
    708 def : Pat<(extloadi32 xaddr:$src),
    709           (LWZX8 xaddr:$src)>;
    710 
    711 // Standard shifts.  These are represented separately from the real shifts above
    712 // so that we can distinguish between shifts that allow 6-bit and 7-bit shift
    713 // amounts.
    714 def : Pat<(sra G8RC:$rS, GPRC:$rB),
    715           (SRAD G8RC:$rS, GPRC:$rB)>;
    716 def : Pat<(srl G8RC:$rS, GPRC:$rB),
    717           (SRD G8RC:$rS, GPRC:$rB)>;
    718 def : Pat<(shl G8RC:$rS, GPRC:$rB),
    719           (SLD G8RC:$rS, GPRC:$rB)>;
    720 
    721 // SHL/SRL
    722 def : Pat<(shl G8RC:$in, (i32 imm:$imm)),
    723           (RLDICR G8RC:$in, imm:$imm, (SHL64 imm:$imm))>;
    724 def : Pat<(srl G8RC:$in, (i32 imm:$imm)),
    725           (RLDICL G8RC:$in, (SRL64 imm:$imm), imm:$imm)>;
    726 
    727 // ROTL
    728 def : Pat<(rotl G8RC:$in, GPRC:$sh),
    729           (RLDCL G8RC:$in, GPRC:$sh, 0)>;
    730 def : Pat<(rotl G8RC:$in, (i32 imm:$imm)),
    731           (RLDICL G8RC:$in, imm:$imm, 0)>;
    732 
    733 // Hi and Lo for Darwin Global Addresses.
    734 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS8 tglobaladdr:$in)>;
    735 def : Pat<(PPClo tglobaladdr:$in, 0), (LI8  tglobaladdr:$in)>;
    736 def : Pat<(PPChi tconstpool:$in , 0), (LIS8 tconstpool:$in)>;
    737 def : Pat<(PPClo tconstpool:$in , 0), (LI8  tconstpool:$in)>;
    738 def : Pat<(PPChi tjumptable:$in , 0), (LIS8 tjumptable:$in)>;
    739 def : Pat<(PPClo tjumptable:$in , 0), (LI8  tjumptable:$in)>;
    740 def : Pat<(PPChi tblockaddress:$in, 0), (LIS8 tblockaddress:$in)>;
    741 def : Pat<(PPClo tblockaddress:$in, 0), (LI8  tblockaddress:$in)>;
    742 def : Pat<(add G8RC:$in, (PPChi tglobaladdr:$g, 0)),
    743           (ADDIS8 G8RC:$in, tglobaladdr:$g)>;
    744 def : Pat<(add G8RC:$in, (PPChi tconstpool:$g, 0)),
    745           (ADDIS8 G8RC:$in, tconstpool:$g)>;
    746 def : Pat<(add G8RC:$in, (PPChi tjumptable:$g, 0)),
    747           (ADDIS8 G8RC:$in, tjumptable:$g)>;
    748 def : Pat<(add G8RC:$in, (PPChi tblockaddress:$g, 0)),
    749           (ADDIS8 G8RC:$in, tblockaddress:$g)>;
    750