openpower/isatables/fields.txt

   1 #1.6.1 I-FORM
   2    |0     |6         |30|31 |
   3    | OPCD |      LI  |AA|LK |
   4
   5 #1.6.2 B-FORM
   6    |0     |6   |11     |16     |30|31 |
   7    | OPCD |  BO|   BI  |   BD  |AA|LK |
   8
   9 #1.6.3 SC-FORM
  10    |0     |6    |11    |16    |20     |27  |30 |31  |
  11    | OPCD |  ///|   ///|   // |   LEV |  //|  1|  / |
  12
  13 #1.6.4 D-FORM
  14    |0     |6   |9  |10 |11   |16      |31 |
  15    | OPCD |    RT      |   RA|   D        |
  16    | OPCD |    RT      |   RA|   SI       |
  17    | OPCD |   RS       |   RA|   D        |
  18    | OPCD |   RS       |   RA|   UI       |
  19    | OPCD | BF | / | L |   RA|   SI       |
  20    | OPCD | BF | / | L |   RA|   UI       |
  21    | OPCD |    TO      |   RA|   SI       |
  22    | OPCD |   FRT      |   RA|   D        |
  23    | OPCD |   FRS      |   RA|   D        |
  24
  25 #1.6.5 DS-FORM
  26    |0     |6      |11    |16    |30  |31 |
  27    | OPCD |   RT  |   RA |   DS |  XO    |
  28    | OPCD |   RS  |   RA |   DS |  XO    |
  29    | OPCD |  RSp  |   RA |   DS |  XO    |
  30    | OPCD |  FRTp |   RA |   DS |  XO    |
  31    | OPCD |  FRSp |   RA |   DS |  XO    |
  32
  33 #1.6.6 DQ-FORM
  34    |0     |6     |11    |16    |28|29 |31 |
  35    | OPCD |  RTp |   RA |   DQ |   PT     |
  36    | OPCD |  S   |   RA |   DQ |SX| XO    |
  37    | OPCD |  T   |   RA |   DQ |TX| XO    |
  38
  39 # 1.6.7 X-FORM
  40    |0     |6 |7|8|9  |10  |11|12|13  |15|16|17     |20|21    |31  |
  41    | OPCD |       RT      |    RA       |     ///     |   XO |  / |
  42    | OPCD |       RT      |    RA       |    RB       |   XO |  / |
  43    | OPCD |       RT      |    RA       |    RB       |   XO |EH  |
  44    | OPCD |       RT      |    RA       |    NB       |   XO |  / |
  45    | OPCD |       RT      | /|SR        |     ///     |   XO |  / |
  46    | OPCD |       RT      |     ///     |    RB       |   XO |  / |
  47    | OPCD |       RT      |     ///     |    RB       |   XO | 1  |
  48    | OPCD |       RT      |     ///     |     ///     |   XO |  / |
  49    | OPCD |       RS      |    RA       |    RB       |   XO |Rc  |
  50    | OPCD |       RT      |    RA       |    RB       |   XO |Rc  |
  51    | OPCD |       RS      |    RA       |    RB       |   XO | 1  |
  52    | OPCD |       RS      |    RA       |    RB       |   XO |  / |
  53    | OPCD |       RS      |    RA       |    NB       |   XO |  / |
  54    | OPCD |       RS      |    RA       |    SH       |   XO |Rc  |
  55    | OPCD |       RS      |    RA       |     ///     |   XO |Rc  |
  56    | OPCD |       RS      |    RA       |     ///     |   XO |  / |
  57    | OPCD |       RS      | /|SR        |     ///     |   XO |  / |
  58    | OPCD |       RS      |     ///     |    RB       |   XO |  / |
  59    | OPCD |       RS      |     ///     |     ///     |   XO |  / |
  60    | OPCD |       RS      |    ///   |L |     ///     |   XO |  / |
  61    | OPCD |       TH      |    RA       |    RB       |   XO |  / |
  62    | OPCD |  BF  |/  | L  |    RA       |    RB       |   XO |  / |
  63    | OPCD |  BF  |//      |   FRA       |   FRB       |   XO |  / |
  64    | OPCD |  BF  |//      | BFA | //    |     ///     |   XO |  / |
  65    | OPCD |  BF  |//      |    ///   |W |    U     |/ |   XO |Rc  |
  66    | OPCD |  BF  |//      |     ///     |     ///     |   XO |  / |
  67    | OPCD |       TH      |    RA       |    RB       |   XO |  / |
  68    | OPCD | /| CT         |     ///     |     ///     |   XO |  / |
  69    | OPCD | /| CT         |    RA       |    RB       |   XO |  / |
  70    | OPCD |  /// | L      |    RA       |    RB       |   XO |  / |
  71    | OPCD |  /// | L      |     ///     |    RB       |   XO |  / |
  72    | OPCD |  /// | L      |     ///     |     ///     |   XO |  / |
  73    | OPCD |  /// | L      | /|     E    |     ///     |   XO |  / |
  74    | OPCD |     TO        |    RA       |    RB       |   XO |  / |
  75    | OPCD |   FRT         |    RA       |    RB       |   XO |  / |
  76    | OPCD |   FRT         |   FRA       |   FRB       |   XO |  / |
  77    | OPCD |  FRTp         |    RA       |    RB       |   XO |  / |
  78    | OPCD |   FRT         |     ///     |   FRB       |   XO |Rc  |
  79    | OPCD |   FRT         |     ///     |   FRBp      |   XO |Rc  |
  80    | OPCD |   FRT         |     ///     |     ///     |   XO |Rc  |
  81    | OPCD |  FRTp         |      ///    |   FRB       |   XO |Rc  |
  82    | OPCD |  FRTp         |      ///    |   FRBp      |   XO |Rc  |
  83    | OPCD |  FRTp         |   FRA       |   FRBp      |   XO |Rc  |
  84    | OPCD |  FRTp         |   FRAp      |   FRBp      |   XO |Rc  |
  85    | OPCD |  BF  |//      |   FRA       |   FRBp      |   XO |  / |
  86    | OPCD |  BF  |//      |   FRAp      |   FRBp      |   XO |  / |
  87    | OPCD |    FRT        |S |          | FRB         |   XO |Rc  |
  88    | OPCD |  FRTp         |S |          | FRBp        |   XO |Rc  |
  89    | OPCD |    FRS        |  RA         |  RB         |   XO |  / |
  90    | OPCD |  FRSp         |  RA         |  RB         |   XO |  / |
  91    | OPCD |     BT        |  ///        |  ///        |   XO |Rc  |
  92    | OPCD |     ///       |  RA         |  RB         |   XO |  / |
  93    | OPCD |     ///       |  ///        |  RB         |   XO |  / |
  94    | OPCD |     ///       |  ///        |  ///        |   XO |  / |
  95    | OPCD |     ///       |  ///        | E|///       |   XO |  / |
  96    | OPCD |  //|IH        |  ///        |  ///        |   XO |  / |
  97    | OPCD | A|//          |  ///        |  ///        |   XO | 1  |
  98    | OPCD | A|//     |R   |  ///        |  ///        |   XO | 1  |
  99    | OPCD |     ///       |  RA         |  RB         |   XO | 1  |
 100    | OPCD |  /// |WC      |  ///        |  ///        |   XO |  / |
 101    | OPCD |  /// |T       |  RA         |  RB         |   XO |  / |
 102    | OPCD |    VRT        |  RA         |  RB         |   XO |  / |
 103    | OPCD |   VRS         |  RA         |  RB         |   XO |  / |
 104    | OPCD |    MO         |  ///        |  ///        |   XO |  / |
 105
 106 # 1.6.8 XL-FORM
 107    |0     |6    |9  |11  |14   |16    |19|20|21    |31 |
 108    | OPCD |   BT    |     BA   |    BB      |   XO | / |
 109    | OPCD |   BO    |     BI   |  /// |BH   |   XO |LK |
 110    | OPCD |         |    ///             |S |   XO | / |
 111    | OPCD |  BF |// |BFA |//   |     ///    |   XO | / |
 112    | OPCD |              ///                |   XO | / |
 113    | OPCD |             OC                  |   XO | / |
 114
 115 # 1.6.9 XFX-FORM
 116    |0     |6        |11|12             |20|21    |31 |
 117    | OPCD |  RT     |     spr             |   XO | / |
 118    | OPCD |  RT     |     tbr             |   XO | / |
 119    | OPCD |  RT     |0 |     ///          |   XO | / |
 120    | OPCD |  RT     |1 |  FXM          |/ |   XO | / |
 121    | OPCD |  RT     |     dcr             |   XO | / |
 122    | OPCD |  RT     |    pmrn             |   XO | / |
 123    | OPCD |  RT     |   BHRBE             |   XO | / |
 124    | OPCD |  DUI    |    DUIS             |   XO | / |
 125    | OPCD |  RS     |0 |  FXM          |/ |   XO | / |
 126    | OPCD |  RS     |1 |  FXM          |/ |   XO | / |
 127    | OPCD |  RS     |     spr             |   XO | / |
 128    | OPCD |  RS     |     dcr             |   XO | / |
 129    | OPCD |  RS     |    pmrn             |   XO | / |
 130
 131 # 1.6.10 XFL-FORM
 132    |0     |6|7             |15|16        |21    |31 |
 133    | OPCD |L|    FLM       |W |FRB       |   XO |Rc |
 134
 135 # 1.6.11 XX1-FORM
 136    |0     |6        |11       |16        |21    |31 |
 137    | OPCD |  T      |   RA    |   RB     |   XO |TX |
 138    | OPCD |  S      |   RA    |   RB     |   XO |SX |
 139
 140 # 1.6.12 XX2-FORM
 141    |0     |6    |9  |11   |14  |16        |21 |30|31 |
 142    | OPCD |    T    |    ///   |    B     |XO |BX|TX |
 143    | OPCD |    T    | /// |UIM |    B     |XO |BX|TX |
 144    | OPCD |  BF | //|      /// |    B     |XO |BX| / |
 145
 146 # 1.6.13 XX3-FORM
 147    |0     |6     |9    |11   |16   |21 |22  |24    |29|30|31 |
 148    | OPCD |     T      |   A |   B |         XO    |AX|BX|TX |
 149    | OPCD |     T      |   A |   B |Rc |       XO  |AX|BX|TX |
 150    | OPCD |  BF  |  // |   A |   B |         XO    |AX|BX|/  |
 151    | OPCD |     T      |   A |   B |XO |SHW |   XO |AX|BX|TX |
 152    | OPCD |     T      |   A |   B |XO |DM  |   XO |AX|BX|TX |
 153
 154 # 1.6.14 XX4-FORM
 155    |0     |6   |11   |16   |21   |26  |28|29 |30|31 |
 156    | OPCD |  T |   A |   B |   C | XO |CX|AX |BX|TX |
 157
 158 # 1.6.15 XS-FORM
 159    |0     |6    |11    |16    |21    |30|31 |
 160    | OPCD |  RS |   RA |   sh |   XO |sh|Rc |
 161
 162 # 1.6.16 XO-FORM
 163    |0     |6   |11   |16     |21 |22    |31  |
 164    | OPCD |  RT|   RA|   RB  |OE |   XO |Rc  |
 165    | OPCD |  RT|   RA|   RB  |  /|   XO |Rc  |
 166    | OPCD |  RT|   RA|   RB  |  /|   XO |  / |
 167    | OPCD |  RT|   RA|   /// |OE |   XO |Rc  |
 168
 169 # 1.6.17 A-FORM
 170    |0     |6     |11      |16     |21      |26    |31 |
 171    | OPCD |  FRT |   FRA  | FRB   |   FRC  |   XO |Rc |
 172    | OPCD |  FRT |   FRA  | FRB   |    /// |   XO |Rc |
 173    | OPCD |  FRT |   FRA  |   /// |   FRC  |   XO |Rc |
 174    | OPCD |  FRT |    /// | FRB   |    /// |   XO |Rc |
 175    | OPCD |   RT |   RA   |   RB  |    BC  |   XO |  /|
 176
 177 # 1.6.18 M-FORM
 178    |0     |6    |11    |16    |21    |26    |31|
 179    | OPCD |  RS |   RA |   RB |   MB |   ME |Rc|
 180    | OPCD |  RS |   RA |   SH |   MB |   ME |Rc|
 181
 182 # 1.6.19 MD-FORM
 183    |0     |6    |11    |16    |21    |27|30|31|
 184    | OPCD |  RS |   RA |   sh |   mb |XO|sh|Rc|
 185    | OPCD |  RS |   RA |   sh |   me |XO|sh|Rc|
 186
 187 # 1.6.20 MDS-FORM
 188    |0     |6    |11    |16    |21    |27    |31|
 189    | OPCD |  RS |   RA |   RB |   mb |   XO |Rc|
 190    | OPCD |  RS |   RA |   RB |   me |   XO |Rc|
 191
 192 # 1.6.21 VA-FORM
 193    |0      |6     |11     |16     |21|22 |26   |31|
 194    | OPCD  |  RT  |   RA  |   RB  |   RC |   XO   |
 195    | OPCD  |  VRT |   VRA |   VRB |  VRC |   XO   |
 196    | OPCD  |  VRT |   VRA |   VRB | /|SHB|   XO   |
 197
 198 # 1.6.22 VC-FORM
 199    |0      |6     |11     |16     |21|22   |31|
 200    | OPCD  |  VRT |   VRA |   VRB |Rc|   XO   |
 201
 202 # 1.6.23 VX-FORM
 203    |0      |6     |11           |16    |21   |31|
 204    | OPCD  |  VRT |     VRA     | VRB  |   XO   |
 205    | OPCD  |  VRT |      ///    | VRB  |   XO   |
 206    | OPCD  |  VRT |     UIM     | VRB  |   XO   |
 207    | OPCD  |  VRT | / UIM       | VRB  |   XO   |
 208    | OPCD  |  VRT |  // UIM     | VRB  |   XO   |
 209    | OPCD  |  VRT |   /// UIM   | VRB  |   XO   |
 210    | OPCD  |  VRT |     SIM     |   ///|   XO   |
 211    | OPCD  |  VRT |          ///|      |   XO   |
 212    | OPCD  |      |///          | VRB  |   XO   |
 213
 214 # 1.6.24 EVX-FORM
 215    |0      |6   |9 |11    |16    |21    |31|
 216    | OPCD  |   RS  |   RA |   RB |   XO    |
 217    | OPCD  |   RS  |   RA |   UI |   XO    |
 218    | OPCD  |   RT  |   ///|   RB |   XO    |
 219    | OPCD  |   RT  |   RA |   RB |   XO    |
 220    | OPCD  |   RT  |   RA |   ///|   XO    |
 221    | OPCD  |   RT  |   UI |   RB |   XO    |
 222    | OPCD  |  BF|//|   RA |   RB |   XO    |
 223    | OPCD  |   RT  |   RA |   UI |   XO    |
 224    | OPCD  |   RT  |   SI |   ///|   XO    |
 225
 226 # 1.6.25 EVS-FORM
 227    |0      |6   |11    |16    |21    |29 |31 |
 228    | OPCD  |  RT|   RA |   RB |   XO |BFA    |
 229
 230 # 1.6.26 Z22-FORM
 231    |0      |6  |9 |11     |16     |22    |31 |
 232    | OPCD  | BF|//|   FRA |   DCM |   XO | / |
 233    | OPCD  | BF|//|  FRAp |   DCM |   XO | / |
 234    | OPCD  | BF|//|   FRA |   DGM |   XO | / |
 235    | OPCD  | BF|//|  FRAp |   DGM |   XO | / |
 236    | OPCD  |  FRT |   FRA |    SH |   XO |Rc |
 237    | OPCD  |  FRTp|  FRAp |    SH |   XO |Rc |
 238
 239 # 1.6.27 Z23-FORM
 240    |0     |6     |11    |15 |16     |21 |23    |31 |
 241    | OPCD |  FRT |    TE    |   FRB |RMC|   XO |Rc |
 242    | OPCD |  FRTp|    TE    |  FRBp |RMC|   XO |Rc |
 243    | OPCD |  FRT |   FRA    |   FRB |RMC|   XO |Rc |
 244    | OPCD |  FRTp|   FRA    |  FRBp |RMC|   XO |Rc |
 245    | OPCD |  FRTp|  FRAp    |  FRBp |RMC|   XO |Rc |
 246    | OPCD |  FRT |  /// | R | FRB   |RMC|   XO |Rc |
 247    | OPCD |  FRTp|  /// | R | FRBp  |RMC|   XO |Rc |
 248
 249 # V3.0B 1.6.6 DX-FORM
 250    |0    |6   |11   |16   |26   |31
 251    | OPCD|  RT|   d1|   d0|   XO|d2
 252
 253 # 1.6.28 Instruction Fields
 254     A (6)
 255         Field used by the tbegin. instruction to specify an
 256         implementation-specific function.
 257         Field used by the tend. instruction to specify the
 258         completion of the outer transaction and all nested
 259         transactions.
 260         Formats: X
 261     AA (30)
 262         Absolute Address.
 263         0    The immediate field represents an address
 264              relative to the current instruction address. For
 265              I-form branches the effective address of the
 266              branch target is the sum of the LI field
 267              sign-extended to 64 bits and the address of
 268              the branch instruction. For B-form branches
 269              the effective address of the branch target is
 270              the sum of the BD field sign-extended to 64
 271              bits and the address of the branch instruction.
 272         1    The immediate field represents an absolute
 273              address. For I-form branches the effective
 274              address of the branch target is the LI field
 275              sign-extended to 64 bits. For B-form branches
 276              the effective address of the branch target is
 277              the BD field sign-extended to 64 bits.
 278         Formats: B, I
 279     AX,A (29,11:15)
 280         Fields that are concatenated to specify a VSR to
 281         be used as a source.
 282         Formats: XX3, XX4
 283     BA (11:15)
 284         Field used to specify a bit in the CR to be used as
 285         a source.
 286         Formats: XL
 287     BB (16:20)
 288          Field used to specify a bit in the CR to be used as
 289          a source.
 290          Formats: XL
 291     BC (21:25)
 292          Field used to specify a bit in the CR to be used as
 293          a source.
 294          Formats: A
 295     BD (16:29)
 296          Immediate field used to specify a 14-bit signed
 297          two's complement branch displacement which is
 298          concatenated on the right with 0b00 and
 299          sign-extended to 64 bits.
 300          Formats: B
 301     BF (6:8)
 302          Field used to specify one of the CR fields or one of
 303          the FPSCR fields to be used as a target.
 304          Formats: D, X, XL, XX2, XX3, Z22
 305     BFA (29:31)
 306          Field used to specify one of the CR fields or one of
 307          the FPSCR fields to be used as a source.
 308          Formats: EVS
 309     BFA (11:13)
 310          Field used to specify one of the CR fields or one of
 311          the FPSCR fields to be used as a source.
 312          Formats: X, XL
 313     BH (19:20)
 314          Field used to specify a hint in the Branch Condi-
 315          tional to Link Register and Branch Conditional to
 316          Count Register instructions. The encoding is
 317          described in Section 2.4, 'Branch Instructions'.
 318          Formats: XL
 319     BHRBE (11:20)
 320          Field used to identify the BHRB entry to be used
 321          as a source by the Move From Branch History
 322          Rolling Buffer instruction.
 323          Formats: X
 324     BI (11:15)
 325          Field used to specify a bit in the CR to be tested by
 326          a Branch Conditional instruction.
 327          Formats: B, XL
 328     BO (6:10)
 329          Field used to specify options for the Branch Condi-
 330          tional instructions. The encoding is described in
 331          Section 2.4, 'Branch Instructions'.
 332          Formats: B, XL, X, XL
 333     BT (6:10)
 334          Field used to specify a bit in the CR or in the
 335          FPSCR to be used as a target.
 336          Formats: XL
 337     BX,B (30,16:20)
 338         Fields that are concatenated to specify a VSR to
 339         be used as a source.
 340         Formats: XX2, XX3, XX4
 341     CT (7:10)
 342         Field used in X-form instructions to specify a cache
 343         target (see Section 4.3.2 of Book II).
 344         Formats: X
 345     CX,C (28,21:25)
 346         Fields that are concatenated to specify a VSR to
 347         be used as a source.
 348         Formats: XX4
 349     D (16:31)
 350         Immediate field used to specify a 16-bit signed
 351         two's complement integer which is sign-extended
 352         to 64 bits.
 353         Formats: D
 354     d0,d1,d2 (16:25,11:15,31)
 355         Immediate fields that are concatenated to specify a
 356         16-bit signed two's complement integer which is
 357         sign-extended to 64 bits.
 358         Formats: DX
 359     dc,dm,dx (25,29,11:15)
 360         Immediate fields that are concatenated to specify
 361         Data Class Mask.
 362         Formats: XX2
 363     DCM (16:21)
 364         Immediate field used to specify Data Class Mask.
 365         Formats: Z22
 366     DCMX (9:15)
 367         Immediate field used to specify Data Class Mask.
 368         Formats: X, XX2
 369     DGM (16:21)
 370         Immediate field used as the Data Group Mask.
 371         Formats: Z22
 372     DM (22:23)
 373         Immediate field used by xxpermdi instruction as
 374         doubleword permute control.
 375         Formats: XX3
 376     DRM (18:20)
 377         Immediate operand field used to specify new deci-
 378         mal floating-point rounding mode.
 379         Formats: X
 380     DUI (6:10)
 381         Field used by the dnh instruction (see Book III-E).
 382         Formats: XFX
 383     DUIS (11:20)
 384         Field used by the dnh instruction (see Book III-E).
 385         Formats: XFX
 386     DQ (16:27)
 387         Immediate field used to specify a 12-bit signed
 388         two's complement integer which is concatenated
 389         on the right with 0b0000 and sign-extended to 64
 390         bits.
 391         Formats: DQ
 392     DS (16:29)
 393         Immediate field used to specify a 14-bit signed
 394         two's complement integer which is concatenated
 395         on the right with 0b00 and sign-extended to 64 bits.
 396         Formats: DS
 397     E (16)
 398         Field used by the Write MSR External Enable
 399         instruction (see Book III-E).
 400         Formats: X
 401     E (12:15)
 402         Field used to specify the access types ordered by
 403         an Elemental Memory Barrier type of sync instruc-
 404         tion.
 405     EH (31)
 406         Field used to specify a hint in the Load and
 407         Reserve instructions. The meaning is described in
 408         Section 4.6.2, 'Load and Reserve and Store Con-
 409         ditional Instructions', in Book II.
 410         Formats: X
 411     EO (11:12)
 412         Expanded opcode field
 413         Formats: X
 414     EO (11:15)
 415         Expanded opcode field
 416         Formats: VX, X, XX2
 417     EX (31)
 418         Field used to specify Inexact form of round to
 419         quad-precision integer.
 420         Formats: X
 421     FC (16:20)
 422         Field used to specify the function code in Load/
 423         Store Atomic instructions.
 424         Formats: X
 425     FLM (7:14)
 426         Field mask used to identify the FPSCR fields that
 427         are to be updated by the mtfsf instruction.
 428         Formats: XFL
 429     FRA (11:15)
 430         Field used to specify a FPR to be used as a
 431         source.
 432         Formats: A, X, Z22, Z23
 433     FRAp (11:15)
 434         Field used to specify an even/odd pair of FPRs to
 435         be concatenated and used as a source.
 436         Formats: X, Z22, Z23
 437     FRB (16:20)
 438         Field used to specify an FPR to be used as a
 439         source.
 440         Formats: A, X, XFL, Z23
 441     FRBp (16:20)
 442          Field used to specify an even/odd pair of FPRs to
 443          be concatenated and used as a source.
 444          Formats: X, Z23
 445     FRC (21:25)
 446          Field used to specify an FPR to be used as a
 447          source.
 448          Formats: A
 449     FRS (6:10)
 450          Field used to specify an FPR to be used as a
 451          source.
 452          Formats: D, X
 453     FRSp (6:10)
 454          Field used to specify an even/odd pair of FPRs to
 455          be concatenated and used as a source.
 456          Formats: DS, X
 457     FRT (6:10)
 458          Field used to specify an FPR to be used as a tar-
 459          get.
 460          Formats: A, D, X, Z22, Z23
 461     FRTp (6:10)
 462          Field used to specify an even/odd pair of FPRs to
 463          be concatenated and used as a target.
 464          Formats: DS, X, Z22, Z23
 465     FXM (12:19)
 466          Field mask used to identify the CR fields that are to
 467          be written by the mtcrf and mtocrf instructions, or
 468          read by the mfocrf instruction.
 469          Formats: XFX
 470     IB (16:20)
 471          Immediate field used to specify a 5-bit signed inte-
 472          ger.
 473          Formats: MDS
 474     IH (8:10)
 475          Field used to specify a hint in the SLB Invalidate
 476          All instruction. The meaning is described in
 477          Section 5.9.3.2, 'SLB Management Instructions',
 478          in Book III.
 479          Formats: X
 480     IMM8 (13:20)
 481          Immediate field used to specify an 8-bit integer.
 482          Formats: X
 483     IS (6:10)
 484          Immediate field used to specify a 5-bit signed inte-
 485          ger.
 486          Formats: MDS
 487     L (6)
 488          Field used to specify whether the mtfsf instruction
 489          updates the entire FPSCR.
 490          Formats: XFL
 491     L (9:10)
 492          Field used by the Data Cache Block Flush instruc-
 493          tion (see Section 4.3.2 of Book II) and also by the
 494          Synchronize instruction (see Section 4.6.3 of Book
 495          II).
 496          Formats: X
 497     L (10)
 498          Field used to specify whether a fixed-point Com-
 499          pare instruction is to compare 64-bit numbers or
 500          32-bit numbers.
 501          Field used by the Compare Range Byte instruction
 502          to indicate whether to compare against 1 or 2
 503          ranges of bytes.
 504          Formats: D, X
 505     L (15)
 506          Field used by the Move To Machine State Register
 507          instruction (see Book III).
 508          Field used by the SLB Move From Entry VSID and
 509          SLB Move From Entry ESID instructions for imple-
 510          mentation-specific purposes.
 511          Formats: X
 512     L (14:15)
 513          Field used by the Deliver A Random Number
 514          instruction (see Section 3.3.9, 'Fixed-Point Arith-
 515          metic Instructions') to choose the random number
 516          format.
 517          Formats: X
 518     LEV (20:26)
 519          Field used by the System Call instructions.
 520          Formats: SC
 521     LI (6:29)
 522          Immediate field used to specify a 24-bit signed
 523          two's complement integer which is concatenated
 524          on the right with 0b00 and sign-extended to 64
 525          bits.
 526          Formats: I
 527     LK (31)
 528          LINK bit.
 529          0     Do not set the Link Register.
 530          1     Set the Link Register. The address of the
 531                instruction following the Branch instruction is
 532                placed into the Link Register.
 533          Formats: B, I, XL
 534     MB (21:25)
 535         Field used in M-form instructions to specify the first
 536         1-bit of a 64-bit mask, as described in
 537         Section 3.3.14, 'Fixed-Point Rotate and Shift
 538         Instructions' on page 101.
 539         Formats: M
 540     mb (21:26)
 541         Field used in MD-form and MDS-form instructions
 542         to specify the first 1-bit of a 64-bit mask, as
 543         described in Section 3.3.14, 'Fixed-Point Rotate
 544         and Shift Instructions' on page 101.
 545         Formats: MD, MDS
 546     me (21:26)
 547         Field used in MD-form and MDS-form instructions
 548         to specify the last 1-bit of a 64-bit mask, as
 549         described in Section 3.3.14, 'Fixed-Point Rotate
 550         and Shift Instructions' on page 101.
 551         Formats: MD, MDS
 552     ME (26:30)
 553         Field used in M-form instructions to specify the last
 554         1-bit of a 64-bit mask, as described in
 555         Section 3.3.14, 'Fixed-Point Rotate and Shift
 556         Instructions' on page 101.
 557         Formats: M
 558     MO (6:10)
 559         Field used in X-form instructions to specify a sub-
 560         set of storage accesses.
 561         Formats: X
 562     NB (16:20)
 563         Field used to specify the number of bytes to move
 564         in an immediate Move Assist instruction.
 565         Formats: X
 566     OC (6:20)
 567         Field used by the Embedded Hypervisor Privilege
 568         instruction.
 569         Formats: XL
 570     OPCD (0:5)
 571         Primary opcode field.
 572         Formats: all
 573     OE (21)
 574         Field used by XO-form instructions to enable set-
 575         ting OV and SO in the XER.
 576         Formats: XO
 577     PO (0:5)
 578         Primary opcode.
 579         Formats: all
 580     PRS (14)
 581         Field used to specify whether to invalidate pro-
 582         cess- or partition-scoped entries for tlbie[l].
 583         Formats: X
 584     PS (22)
 585         Field used to specify preferred sign for BCD opera-
 586         tions.
 587         Formats: VX
 588     PT (28:31)
 589         Immediate field used to specify a 4-bit unsigned
 590         value.
 591         Formats: DQ
 592     R (10)
 593         Field used by the tbegin. instruction to specify the
 594         start of a ROT.
 595         Formats: X
 596     R (15)
 597         Immediate field that specifies whether the RMC is
 598         specifying the primary or secondary encoding
 599         Field used to specify whether to invalidate Radix
 600         Tree or HPT entries for tlbie[l].
 601         Formats: X, Z23
 602     RA (11:15)
 603         Field used to specify a GPR to be used as a
 604         source or as a target.
 605         Formats: A, D, DQ, DQE, DS, M, MD, MDS, TX, VA, VX, X, XO, XS
 606     RB (16:20)
 607         Field used to specify a GPR to be used as a
 608         source.
 609         Formats: A, M, MDS, VA, X, XO
 610     Rc (21)
 611         RECORD bit.
 612         0    Do not alter the Condition Register.
 613         1    Set Condition Register Field 6 as described in
 614              Section 2.3.1,     'Condition  Register'     on
 615              page 30.
 616         Formats: VC, XX3
 617     RC (21:25)
 618         Field used to specify a GPR to be used as a
 619         source.
 620         Formats: VA
 621     Rc (31)
 622         RECORD bit.
 623         0    Do not alter the Condition Register.
 624         1    Set Condition Register Field 0 or Field 1 as
 625              described in Section 2.3.1, 'Condition Regis-
 626              ter' on page 30.
 627         Formats: A, M, MD, MDS, X, XFL, XO, XS, Z22, Z23
 628     RIC (12:13)
 629         Field used to specify what types of entries to inval-
 630         idate for tlbie[l].
 631         Formats: X
 632     RM (19:20)
 633         Immediate operand field used to specify new
 634         binary floating-point rounding mode.
 635         Formats: X
 636     RMC (21:22)
 637         Immediate field used for DFP rounding mode con-
 638         trol.
 639         Formats: Z23
 640     RO (31)
 641         Round to Odd override
 642         Formats: X
 643     RS (6:10)
 644         Field used to specify a GPR to be used as a
 645         source.
 646         Formats: D, DS, M, MD, MDS, X, XFX, XS
 647     RSp (6:10)
 648         Field used to specify an even/odd pair of GPRs to
 649         be concatenated and used as a source.
 650         Formats: DS, X
 651     RT (6:10)
 652         Field used to specify a GPR to be used as a target.
 653         Formats: A, D, DQE, DS, DX, VA, VX, X, XFX, XO, XX2
 654     RTp (6:10)
 655         Field used to specify an even/odd pair of GPRs to
 656         be concatenated and used as a target.
 657         Formats: DQ, X
 658     S (11)
 659         Immediate field that specifies signed versus
 660         unsigned conversion.
 661         Formats: X
 662     S (20)
 663         Immediate field that specifies whether or not the
 664         rfebb     instruction   re-enables      event-based
 665         branches.
 666         Formats: XL
 667     SH (16:20)
 668         Field used to specify a shift amount.
 669         Formats: M, X
 670     SH (16:21)
 671         Field used to specify a shift amount.
 672         Formats: Z22
 673     sh (30,16:20)
 674         Fields that are concatenated to specify a shift
 675         amount.
 676         Formats: MD, XS
 677     SHB (22:25)
 678         Field used to specify a shift amount in bytes.
 679         Formats: VA
 680     SHW (22:23)
 681          Field used to specify a shift amount in words.
 682          Formats: XX3
 683     SI (16:20)
 684          Immediate field used to specify a 5-bit signed inte-
 685          ger.
 686          Formats: X
 687     SI (16:31)
 688          Immediate field used to specify a 16-bit signed
 689          integer.
 690          Formats: D
 691     SIM (11:15)
 692          Immediate field used to specify a 5-bit signed inte-
 693          ger.
 694          Formats: VX
 695     SP (11:12)
 696          Immediate field that specifies signed versus
 697          unsigned conversion.
 698          Formats: X
 699     SPR (11:20)
 700          Field used to specify a Special Purpose Register
 701          for the mtspr and mfspr instructions.
 702          Formats: X
 703     SR (12:15)
 704          Field used by the Segment Register Manipulation
 705          instructions (see Book III).
 706          Formats: X
 707     SX,S (28,6:10)
 708          Fields SX and S are concatenated to specify a
 709          VSR to be used as a source.
 710          Formats: DQ
 711     SX,S (31,6:10)
 712          Fields SX and S are concatenated to specify a
 713          VSR to be used as a source.
 714          Formats: X
 715     T (9:10)
 716           Field used to specify the type of invalidation done
 717           by a TLB Invalidate Local instruction (see Book
 718           III-E).
 719          Formats: X
 720     TBR (11:20)
 721          Field used by the Move From Time Base instruc-
 722          tion (see Section 6.1 of Book II).
 723          Formats: X
 724     TE (11:15)
 725          Immediate field that specifies a DFP exponent.
 726          Formats: Z23
 727     TH (6:10)
 728          Field used by the data stream variant of the dcbt
 729          and dcbtst instructions (see Section 4.3.2 of Book
 730          II).
 731          Formats: X
 732     TO (6:10)
 733          Field used to specify the conditions on which to
 734          trap.     The    encoding     is    described   in
 735          Section 3.3.10.1,     'Character-Type     Compare
 736          Instructions' on page 87.
 737          Formats: TX, X
 738     TX,T (28,6:10)
 739          Fields that are concatenated to specify a VSR to
 740          be used as either a target.
 741          Formats: DQ
 742     TX,T (31,6:10)
 743          Fields that are concatenated to specify a VSR to
 744          be used as either a target or a source.
 745          Formats: X, XX2, XX3, XX4
 746     U (16:19)
 747          Immediate field used as the data to be placed into
 748          a field in the FPSCR.
 749          Formats: X
 750     UI (16:20)
 751          Immediate field used to specify a 5-bit unsigned
 752          integer.
 753          Formats: TX
 754     UI (16:31)
 755          Immediate field used to specify a 16-bit unsigned
 756          integer.
 757          Formats: D
 758     UIM (11:15)
 759          Immediate field used to specify a 5-bit unsigned
 760          integer.
 761          Formats: VX, X
 762     UIM (12:15)
 763          Immediate field used to specify a 4-bit unsigned
 764          integer.
 765          Formats: VX, XX2
 766     UIM (13:15)
 767          Immediate field used to specify a 3-bit unsigned
 768          integer.
 769          Formats: VX
 770     UIM (14:15)
 771          Immediate field used to specify a 2-bit unsigned
 772          integer.
 773          Formats: VX, XX2
 774     VRA (11:15)
 775          Field used to specify a VR to be used as a source.
 776          Formats: VA, VC, VX
 777     VRB (16:20)
 778         Field used to specify a VR to be used as a source.
 779         Formats: VA, VC, VX
 780     VRC (21:25)
 781         Field used to specify a VR to be used as a source.
 782         Formats: VA
 783     VRS (6:10)
 784         Field used to specify a VR to be used as a source.
 785         Formats: DS, X
 786     VRT (6:10)
 787         Field used to specify a VR to be used as a target.
 788         Formats: DS, VA, VC, VX, X
 789     W (15)
 790         Field used by the mtfsfi and mtfsf instructions to
 791         specify the target word in the FPSCR.
 792         Formats: X, XFL
 793     WC (9:10)
 794         Field used to specify the condition or conditions
 795         that cause instruction execution to resume after
 796         executing a wait instruction (see Section 4.6.4 of
 797         Book II).
 798         Formats: X
 799     XBI (21:24)
 800         Field used to specify a bit in the XER.
 801         Formats: MDS, MDS, TX
 802     XO (21,23:31)
 803         Extended opcode field.
 804         Formats: VX
 805     XO (21:24,26:28)
 806         Extended opcode field.
 807         Formats: XX2
 808     XO (21:24:28)
 809         Extended opcode field.
 810         Formats: XX3
 811     XO (21:28)
 812         Extended opcode field.
 813         Formats: XX3
 814     XO (21:29)
 815         Extended opcode field.
 816         Formats: XS, XX2
 817     XO (21:30)
 818         Extended opcode field.
 819         Formats: X, XFL, XFX, XL
 820     XO (21:31)
 821         Extended opcode field.
 822         Formats: VX
 823     XO (22:30)
 824         Extended opcode field.
 825         Formats: XO, XX3, Z22
 826     XO (22:31)
 827         Extended opcode field.
 828         Formats: VC
 829     XO (23:30)
 830         Extended opcode field.
 831         Formats: X, Z23
 832     XO (25:30)
 833         Extended opcode field.
 834         Formats: TX
 835     XO (26:27)
 836         Extended opcode field.
 837         Formats: XX4
 838     XO (26:30)
 839         Extended opcode field.
 840         Formats: A, DX
 841     XO (26:31)
 842         Extended opcode field.
 843         Formats: VA
 844     XO (27:29)
 845         Extended opcode field.
 846         Formats: MD
 847     XO (27:30)
 848         Extended opcode field.
 849         Formats: MDS
 850     XO (29:31)
 851         Extended opcode field.
 852         Formats: DQ
 853     XO (30)
 854         Extended opcode field.
 855         Formats: SC
 856     XO (30:31)
 857         Extended opcode field.
 858         Formats: DQE, DS, SC
 859