Power ISA Fields

These were originally taken from Power ISA v3.0B PDF, retain the Section Numbering from the original Power ISA v3.0B Specification PDF, and are in machine-readable format that may be parsed with the following program: power_fields.py

Some additions have been made for DRAFT Scalar instructions Forms: BM2-Form, TLI-Form and others. Other additions are for SVP64 such as SVM-Form, SVL-Form.

1.6.1 I-FORM

|0     |6         |30|31 |
| PO   |      LI  |AA|LK |

1.6.2 B-FORM

|0     |6   |11     |16     |30|31 |
| PO   |  BO|   BI  |   BD  |AA|LK |

1.6.2.1 BM-FORM

|0     |6    |10  |15  |22  |23    |31|
| PO   |  RS | me | sh | me |   XO |Rc|

1.6.2.2 BM2-FORM

|0     |6    |11    |16    |21   |26 |27    31|
| PO   |  RT |   RA |   RB |bm   |L  |   XO   |

1.6.2.1 CRB-FORM

|0     |6    |9   |12  |15  |18  |21    |29    |31 |
| PO   |  BF | BFA| BFB| BFC| msk| TLI  |   XO |msk|

1.6.3 SC-FORM

|0     |6    |11    |16    |20     |27  |30 |31  |
| PO   |  ///|   ///|   // |   LEV |  //|  1|  / |

1.6.4 D-FORM

|0     |6   |9  |10 |11   |16      |31 |
| PO   |    RT      |   RA|   D        |
| PO   |    RT      |   RA|   SI       |
| PO   |   RS       |   RA|   D        |
| PO   |   RS       |   RA|   UI       |
| PO   | BF | / | L |   RA|   SI       |
| PO   | BF | / | L |   RA|   UI       |
| PO   |    TO      |   RA|   SI       |
| PO   |   FRT      |   RA|   D        |
| PO   |   FRS      |   RA|   D        |

1.6.5 DS-FORM

|0     |6      |11    |16    |30  |31 |
| PO   |   RT  |   RA |   DS |  XO    |
| PO   |   RS  |   RA |   DS |  XO    |
| PO   |  RSp  |   RA |   DS |  XO    |
| PO   |  FRTp |   RA |   DS |  XO    |
| PO   |  FRSp |   RA |   DS |  XO    |

1.6.6 DQ-FORM

|0     |6     |11    |16    |28|29 |31 |
| PO   |  RTp |   RA |   DQ |   PT     |
| PO   |  S   |   RA |   DQ |SX| XO    |
| PO   |  T   |   RA |   DQ |TX| XO    |

V3.0B 1.6.6 DX-FORM

|0    |6   |11   |16   |26   |31
| PO  |  RT|   d1|   d0|   XO|d2
| PO  | FRS|   d1|   d0|   XO|d2

1.6.7 X-FORM

|0     |6 |7|8|9  |10  |11|12|13  |15|16|17     |20|21    |31  |
| PO   |       RT      |    RA       |     ///     |   XO |  / |
| PO   |       RT      |    RA       |    RB       |   XO |  / |
| PO   |       RT      |    RA       |    RB       |   XO |EH  |
| PO   |       RT      |    RA       |    NB       |   XO |  / |
| PO   |       RT      | /|SR        |     ///     |   XO |  / |
| PO   |       RT      |     ///     |    RB       |   XO |  / |
| PO   |       RT      |     ///     |    RB       |   XO | 1  |
| PO   |       RT      |     ///     |     ///     |   XO |  / |
| PO   |       RS      |    RA       |    RB       |   XO |Rc  |
| PO   |       RT      |    RA       |    RB       |   XO |Rc  |
| PO   |       RS      |    RA       |    RB       |   XO | 1  |
| PO   |       RS      |    RA       |    RB       |   XO |  / |
| PO   |       RS      |    RA       |    NB       |   XO |  / |
| PO   |       RS      |    RA       |    SH       |   XO |Rc  |
| PO   |       RS      |    RA       |     ///     |   XO |Rc  |
| PO   |       RS      |    RA       |     ///     |   XO |  / |
| PO   |       RS      | /|SR        |     ///     |   XO |  / |
| PO   |       RS      |     ///     |    RB       |   XO |  / |
| PO   |       RS      |     ///     |     ///     |   XO |  / |
| PO   |       RS      |    ///   |L1|     ///     |   XO |  / |
| PO   |       TH      |    RA       |    RB       |   XO |  / |
| PO   |  BF  |/  | L  |    RA       |    RB       |   XO |  / |
| PO   |  BF  |//      |   FRA       |   FRB       |   XO |  / |
| PO   |  BF  |//      | BFA | //    |     ///     |   XO |  / |
| PO   |  BF  |//      |    ///   |W |    U     |/ |   XO |Rc  |
| PO   |  BF  |//      |     ///     |     ///     |   XO |  / |
| PO   |       TH      |    RA       |    RB       |   XO |  / |
| PO   | /| CT         |     ///     |     ///     |   XO |  / |
| PO   | /| CT         |    RA       |    RB       |   XO |  / |
| PO   |  /// | L2     |    RA       |    RB       |   XO |  / |
| PO   |  /// | L2     |     ///     |    RB       |   XO |  / |
| PO   |  /// | L2     |     ///     |     ///     |   XO |  / |
| PO   |  /// | L2     | /|     E    |     ///     |   XO |  / |
| PO   |     TO        |    RA       |    RB       |   XO |  / |
| PO   |   FRT         |    RA       |    RB       |   XO |  / |
| PO   |   FRT         |   FRA       |   FRB       |   XO |  / |
| PO   |  FRTp         |    RA       |    RB       |   XO |  / |
| PO   |   FRT         |     ///     |   FRB       |   XO |Rc  |
| PO   |   FRT         |     ///     |   FRBp      |   XO |Rc  |
| PO   |   FRT         |     ///     |     ///     |   XO |Rc  |
| PO   |  FRTp         |      ///    |   FRB       |   XO |Rc  |
| PO   |  FRTp         |      ///    |   FRBp      |   XO |Rc  |
| PO   |  FRTp         |   FRA       |   FRBp      |   XO |Rc  |
| PO   |  FRTp         |   FRAp      |   FRBp      |   XO |Rc  |
| PO   |  BF  |//      |   FRA       |   FRBp      |   XO |  / |
| PO   |  BF  |//      |   FRAp      |   FRBp      |   XO |  / |
| PO   |    FRT        |S |          | FRB         |   XO |Rc  |
| PO   |  FRTp         |S |          | FRBp        |   XO |Rc  |
| PO   |    FRS        |  RA         |  RB         |   XO |  / |
| PO   |  FRSp         |  RA         |  RB         |   XO |  / |
| PO   |     BT        |  ///        |  ///        |   XO |Rc  |
| PO   |     ///       |  RA         |  RB         |   XO |  / |
| PO   |     ///       |  ///        |  RB         |   XO |  / |
| PO   |     ///       |  ///        |  ///        |   XO |  / |
| PO   |     ///       |  ///        | E|///       |   XO |  / |
| PO   |  //|IH        |  ///        |  ///        |   XO |  / |
| PO   | A|//          |  ///        |  ///        |   XO | 1  |
| PO   | A|//     |R   |  ///        |  ///        |   XO | 1  |
| PO   |     ///       |  RA         |  RB         |   XO | 1  |
| PO   |  /// |WC      |  ///        |  ///        |   XO |  / |
| PO   |  /// |T       |  RA         |  RB         |   XO |  / |
| PO   |    VRT        |  RA         |  RB         |   XO |  / |
| PO   |   VRS         |  RA         |  RB         |   XO |  / |
| PO   |    MO         |  ///        |  ///        |   XO |  / |
| PO   |       RT      | /// |L3     |     ///     |   XO | /  |

1.6.8 XL-FORM

|0     |6    |9  |11  |14   |16    |19|20|21    |31 |
| PO   |   BT    |     BA   |    BB      |   XO | / |
| PO   |   BO    |     BI   |  /// |BH   |   XO |LK |
| PO   |         |    ///             |S |   XO | / |
| PO   |  BF |// |BFA |//   |     ///    |   XO | / |
| PO   |              ///                |   XO | / |
| PO   |             OC                  |   XO | / |

1.6.9 XFX-FORM

|0     |6        |11|12             |20|21    |31 |
| PO   |  RT     |     spr             |   XO | / |
| PO   |  RT     |     tbr             |   XO | / |
| PO   |  RT     |0 |     ///          |   XO | / |
| PO   |  RT     |1 |  FXM          |/ |   XO | / |
| PO   |  RT     |     dcr             |   XO | / |
| PO   |  RT     |    pmrn             |   XO | / |
| PO   |  RT     |   BHRBE             |   XO | / |
| PO   |  DUI    |    DUIS             |   XO | / |
| PO   |  RS     |0 |  FXM          |/ |   XO | / |
| PO   |  RS     |1 |  FXM          |/ |   XO | / |
| PO   |  RS     |     spr             |   XO | / |
| PO   |  RS     |     dcr             |   XO | / |
| PO   |  RS     |    pmrn             |   XO | / |

1.6.10 XFL-FORM

|0     |6|7             |15|16        |21    |31 |
| PO   |L|    FLM       |W |FRB       |   XO |Rc |

1.6.11 XX1-FORM

|0     |6        |11       |16        |21    |31 |
| PO   |  T      |   RA    |   RB     |   XO |TX |
| PO   |  S      |   RA    |   RB     |   XO |SX |

1.6.12 XX2-FORM

|0     |6    |9  |11   |14  |16        |21 |30|31 |
| PO   |    T    |    ///   |    B     |XO |BX|TX |
| PO   |    T    | /// |UIM |    B     |XO |BX|TX |
| PO   |  BF | //|      /// |    B     |XO |BX| / |

1.6.13 XX3-FORM

|0     |6     |9    |11   |16   |21 |22  |24    |29|30|31 |
| PO   |     T      |   A |   B |         XO    |AX|BX|TX |
| PO   |     T      |   A |   B |Rc |       XO  |AX|BX|TX |
| PO   |  BF  |  // |   A |   B |         XO    |AX|BX|/  |
| PO   |     T      |   A |   B |XO |SHW |   XO |AX|BX|TX |
| PO   |     T      |   A |   B |XO |DM  |   XO |AX|BX|TX |

1.6.14 XX4-FORM

|0     |6   |11   |16   |21   |26  |28|29 |30|31 |
| PO   |  T |   A |   B |   C | XO |CX|AX |BX|TX |

1.6.15 XS-FORM

|0     |6    |11    |16    |21    |30|31 |
| PO   |  RS |   RA |   sh |   XO |sh|Rc |

1.6.15 XB-FORM

|0     |6    |11    |16    |22    |31 |
| PO   |  RT |   RA |  XBI |   XO |Rc |

1.6.16 XO-FORM

|0     |6   |11   |16     |21 |22    |31  |
| PO   |  RT|   RA|   RB  |OE |   XO |Rc  |
| PO   |  RT|   RA|   RB  |  /|   XO |Rc  |
| PO   |  RT|   RA|   RB  |  /|   XO |  / |
| PO   |  RT|   RA|   /// |OE |   XO |Rc  |

1.6.17 A-FORM

|0     |6     |11      |16     |21      |26    |31 |
| PO   |  FRT |   FRA  | FRB   |   FRC  |   XO |Rc |
| PO   |  FRT |   FRA  | FRB   |    /// |   XO |Rc |
| PO   |  FRT |   FRA  |   /// |   FRC  |   XO |Rc |
| PO   |  FRT |    /// | FRB   |    /// |   XO |Rc |
| PO   |   RT |   RA   |   RB  |    BC  |   XO |  /|

1.6.18 M-FORM

|0     |6    |11    |16    |21    |26    |31|
| PO   |  RS |   RA |   RB |   MB |   ME |Rc|
| PO   |  RS |   RA |   SH |   MB |   ME |Rc|

1.6.19 MD-FORM

|0     |6    |11    |16    |21    |27|30|31|
| PO   |  RS |   RA |   sh |   mb |XO|sh|Rc|
| PO   |  RS |   RA |   sh |   me |XO|sh|Rc|

1.6.20 MDS-FORM

|0     |6    |11    |16    |21    |27    |31|
| PO   |  RS |   RA |   RB |   mb |   XO |Rc|
| PO   |  RS |   RA |   RB |   me |   XO |Rc|

1.6.21 VA-FORM

|0      |6     |11     |16     |21|22 |25|26   |31|
| PO    |  RT  |   RA  |   RB  |   RC    |   XO   |
| PO    |  VRT |   VRA |   VRB |  VRC    |   XO   |
| PO    |  VRT |   VRA |   VRB | /|SHB   |   XO   |
| PO    |  VRT |   VRA |   VRB | /|BFA|/ |   XO   |

1.6.21.1 VA2-FORM

|0      |6     |11     |16     |21  |24|26   |31|
| PO    |  RT  |   RA  |   RB  | RC    | XO  |Rc|

1.6.22 VC-FORM

|0      |6     |11     |16     |21|22   |31|
| PO    |  VRT |   VRA |   VRB |Rc|   XO   |

1.6.23 VX-FORM

|0      |6     |11           |16    |21   |31|
| PO    |  VRT |     VRA     | VRB  |   XO   |
| PO    |  VRT |      ///    | VRB  |   XO   |
| PO    |  VRT |     UIM     | VRB  |   XO   |
| PO    |  VRT | / UIM       | VRB  |   XO   |
| PO    |  VRT |  // UIM     | VRB  |   XO   |
| PO    |  VRT |   /// UIM   | VRB  |   XO   |
| PO    |  VRT |     SIM     |   ///|   XO   |
| PO    |  VRT |          ///|      |   XO   |
| PO    |      |///          | VRB  |   XO   |

1.6.24 EVX-FORM

|0      |6   |9 |11    |16    |21    |31|
| PO    |   RS  |   RA |   RB |   XO    |
| PO    |   RS  |   RA |   UI |   XO    |
| PO    |   RT  |   ///|   RB |   XO    |
| PO    |   RT  |   RA |   RB |   XO    |
| PO    |   RT  |   RA |   ///|   XO    |
| PO    |   RT  |   UI |   RB |   XO    |
| PO    |  BF|//|   RA |   RB |   XO    |
| PO    |   RT  |   RA |   UI |   XO    |
| PO    |   RT  |   SI |   ///|   XO    |

1.6.25 EVS-FORM

|0      |6   |11    |16    |21    |29 |31 |
| PO    |  RT|   RA |   RB |   XO |BFA    |

1.6.26 Z22-FORM

|0      |6  |9 |11     |16     |22    |31 |
| PO    | BF|//|   FRA |   DCM |   XO | / |
| PO    | BF|//|  FRAp |   DCM |   XO | / |
| PO    | BF|//|   FRA |   DGM |   XO | / |
| PO    | BF|//|  FRAp |   DGM |   XO | / |
| PO    |  FRT |   FRA |    SH |   XO |Rc |
| PO    |  FRTp|  FRAp |    SH |   XO |Rc |

1.6.27 Z23-FORM

|0     |6     |11    |15 |16     |21 |23    |31 |
| PO   |  FRT |    TE    |   FRB |RMC|   XO |Rc |
| PO   |  FRTp|    TE    |  FRBp |RMC|   XO |Rc |
| PO   |  FRT |   FRA    |   FRB |RMC|   XO |Rc |
| PO   |  FRTp|   FRA    |  FRBp |RMC|   XO |Rc |
| PO   |  FRTp|  FRAp    |  FRBp |RMC|   XO |Rc |
| PO   |  FRT |  /// | R | FRB   |RMC|   XO |Rc |
| PO   |  FRTp|  /// | R | FRBp  |RMC|   XO |Rc |

1.6.29 SVI-FORM

|0     |6    |11    |16   |21 |23|24|25|26    31|
| PO   |  SVG|rmm   | SVd |ew |yx|mm|sk|   XO   |

1.6.30 SVL-FORM

|0     |6    |11    |16   |23 |24 |25 |26    |31 |
| PO   |  RT |   RA | SVi |ms |vs |vf |   XO |Rc |
| PO   |  RT | /    | SVi |/  |/  |vf |   XO |Rc |

1.6.31 SVC-FORM

|0     |6    |9    |11     |
| PO   | SCi | SCm | SCimm |

1.6.32 SVR-FORM

|0     |6    |9    |11    | 15     |
| PO   | SCi | SCm | SRbr | SRimm  |

1.6.33 SVD-FORM

|0     |6    |11   |16   |21      |31 |
| PO   | RT  |   RA| RC  |  SVD       |
| PO   | RS  |   RA| RC  |  SVD       |
| PO   | FRT |   RA| RC  |  SVD       |
| PO   | FRS |   RA| RC  |  SVD       |

1.6.34 SVDS-FORM

|0     |6      |11    |16   |21    |30  |31 |
| PO   |   RT  |   RA | RC  | SVDS |  XO    |
| PO   |   RS  |   RA | RC  | SVDS |  XO    |

1.6.35 SVM-FORM

|0     |6        |11      |16    |21    |25 |26    |31  |
| PO   |  SVxd   |   SVyd | SVzd | SVrm |vf |   XO      |

1.6.36 SVRM-FORM

|0     |6     |11  |13   |15   |17   |19   |21  |22   |26     |31 |
| PO   | SVme |mi0 | mi1 | mi2 | mo0 | mo1 |pst |///  | XO        |

1.6.37 TLI-FORM

|0   |6   |11   |16   |21   |29  |31 |
| PO | RT |  RA |  RB | TLI | XO |Rc |
| PO | RT |  RA |  RB | TLI | XO |L  |

1.6.28 Instruction Fields

A (6)
    Field used by the tbegin. instruction to specify an
    implementation-specific function.
    Field used by the tend. instruction to specify the
    completion of the outer transaction and all nested
    transactions.
    Formats: X
AA (30)
    Absolute Address.
    0    The immediate field represents an address
         relative to the current instruction address. For
         I-form branches the effective address of the
         branch target is the sum of the LI field
         sign-extended to 64 bits and the address of
         the branch instruction. For B-form branches
         the effective address of the branch target is
         the sum of the BD field sign-extended to 64
         bits and the address of the branch instruction.
    1    The immediate field represents an absolute
         address. For I-form branches the effective
         address of the branch target is the LI field
         sign-extended to 64 bits. For B-form branches
         the effective address of the branch target is
         the BD field sign-extended to 64 bits.
    Formats: B, I
AX,A (29,11:15)
    Fields that are concatenated to specify a VSR to
    be used as a source.
    Formats: XX3, XX4
BA (11:15)
    Field used to specify a bit in the CR to be used as
    a source.
    Formats: XL
BB (16:20)
     Field used to specify a bit in the CR to be used as
     a source.
     Formats: XL
BC (21:25)
     Field used to specify a bit in the CR to be used as
     a source.
     Formats: A
BD (16:29)
     Immediate field used to specify a 14-bit signed
     two's complement branch displacement which is
     concatenated on the right with 0b00 and
     sign-extended to 64 bits.
     Formats: B
BF (6:8)
     Field used to specify one of the CR fields or one of
     the FPSCR fields to be used as a target.
     Formats: D, X, XL, XX2, XX3, Z22
BFA (22:24)
     Field used to specify one of the CR fields 
     to be used as a source.
     Formats: VA
BFA (29:31)
     Field used to specify one of the CR fields or one of
     the FPSCR fields to be used as a source.
     Formats: EVS
BFA (11:13)
     Field used to specify one of the CR fields or one of
     the FPSCR fields to be used as a source.
     Formats: X, XL
BH (19:20)
     Field used to specify a hint in the Branch Condi-
     tional to Link Register and Branch Conditional to
     Count Register instructions. The encoding is
     described in Section 2.4, 'Branch Instructions'.
     Formats: XL
BHRBE (11:20)
     Field used to identify the BHRB entry to be used
     as a source by the Move From Branch History
     Rolling Buffer instruction.
     Formats: XFX
BI (11:15)
     Field used to specify a bit in the CR to be tested by
     a Branch Conditional instruction.
     Formats: B, XL
bm (21:25)
     Field used to specify the Bit-mask Mode for bmask
     Formats: BM2
BO (6:10)
     Field used to specify options for the Branch Condi-
     tional instructions. The encoding is described in
     Section 2.4, 'Branch Instructions'.
     Formats: B, XL, X, XL
BT (6:10)
     Field used to specify a bit in the CR or in the
     FPSCR to be used as a target.
     Formats: XL
BX,B (30,16:20)
    Fields that are concatenated to specify a VSR to
    be used as a source.
    Formats: XX2, XX3, XX4
CT (7:10)
    Field used in X-form instructions to specify a cache
    target (see Section 4.3.2 of Book II).
    Formats: X
CX,C (28,21:25)
    Fields that are concatenated to specify a VSR to
    be used as a source.
    Formats: XX4
D (16:31)
    Immediate field used to specify a 16-bit signed
    two's complement integer which is sign-extended
    to 64 bits.
    Formats: D
d0,d1,d2 (16:25,11:15,31)
    Immediate fields that are concatenated to specify a
    16-bit signed two's complement integer which is
    sign-extended to 64 bits.
    Formats: DX
dc,dm,dx (25,29,11:15)
    Immediate fields that are concatenated to specify
    Data Class Mask.
    Formats: XX2
DCM (16:21)
    Immediate field used to specify Data Class Mask.
    Formats: Z22
DCMX (9:15)
    Immediate field used to specify Data Class Mask.
    Formats: X, XX2
DGM (16:21)
    Immediate field used as the Data Group Mask.
    Formats: Z22
DM (22:23)
    Immediate field used by xxpermdi instruction as
    doubleword permute control.
    Formats: XX3
DRM (18:20)
    Immediate operand field used to specify new deci-
    mal floating-point rounding mode.
    Formats: X
DUI (6:10)
    Field used by the dnh instruction (see Book III-E).
    Formats: XFX
DUIS (11:20)
    Field used by the dnh instruction (see Book III-E).
    Formats: XFX
DQ (16:27)
    Immediate field used to specify a 12-bit signed
    two's complement integer which is concatenated
    on the right with 0b0000 and sign-extended to 64
    bits.
    Formats: DQ
DS (16:29)
    Immediate field used to specify a 14-bit signed
    two's complement integer which is concatenated
    on the right with 0b00 and sign-extended to 64 bits.
    Formats: DS
E (16)
    Field used by the Write MSR External Enable
    instruction (see Book III-E).
    Formats: X
E (12:15)
    Field used to specify the access types ordered by
    an Elemental Memory Barrier type of sync instruc-
    tion.
EH (31)
    Field used to specify a hint in the Load and
    Reserve instructions. The meaning is described in
    Section 4.6.2, 'Load and Reserve and Store Con-
    ditional Instructions', in Book II.
    Formats: X
EO (11:12)
    Expanded opcode field
    Formats: X
EO (11:15)
    Expanded opcode field
    Formats: VX, X, XX2
EX (31)
    Field used to specify Inexact form of round to
    quad-precision integer.
    Formats: X
ew (21:22)
    Field used to specify the element width for SVI-Form
    Formats: SVI
FC (16:20)
    Field used to specify the function code in Load/
    Store Atomic instructions.
    Formats: X
FLM (7:14)
    Field mask used to identify the FPSCR fields that
    are to be updated by the mtfsf instruction.
    Formats: XFL
FRA (11:15)
    Field used to specify a FPR to be used as a
    source.
    Formats: A, X, Z22, Z23
FRAp (11:15)
    Field used to specify an even/odd pair of FPRs to
    be concatenated and used as a source.
    Formats: X, Z22, Z23
FRB (16:20)
    Field used to specify an FPR to be used as a
    source.
    Formats: A, X, XFL, Z23
FRBp (16:20)
     Field used to specify an even/odd pair of FPRs to
     be concatenated and used as a source.
     Formats: X, Z23
FRC (21:25)
     Field used to specify an FPR to be used as a
     source.
     Formats: A
FRS (6:10)
     Field used to specify an FPR to be used as a
     source.
     Formats: D, X, DX
FRSp (6:10)
     Field used to specify an even/odd pair of FPRs to
     be concatenated and used as a source.
     Formats: DS, X
FRT (6:10)
     Field used to specify an FPR to be used as a tar-
     get.
     Formats: A, D, X, Z22, Z23
FRTp (6:10)
     Field used to specify an even/odd pair of FPRs to
     be concatenated and used as a target.
     Formats: DS, X, Z22, Z23
FXM (12:19)
     Field mask used to identify the CR fields that are to
     be written by the mtcrf and mtocrf instructions, or
     read by the mfocrf instruction.
     Formats: XFX
IB (16:20)
     Immediate field used to specify a 5-bit signed inte-
     ger.
     Formats: MDS
IH (8:10)
     Field used to specify a hint in the SLB Invalidate
     All instruction. The meaning is described in
     Section 5.9.3.2, 'SLB Management Instructions',
     in Book III.
     Formats: X
IMM8 (13:20)
     Immediate field used to specify an 8-bit integer.
     Formats: X
IS (6:10)
     Immediate field used to specify a 5-bit signed inte-
     ger.
     Formats: MDS
L (6)
     Field used to specify whether the mtfsf instruction
     updates the entire FPSCR.
     Formats: XFL
L2 (9:10)
     Field used by the Data Cache Block Flush instruc-
     tion (see Section 4.3.2 of Book II) and also by the
     Synchronize instruction (see Section 4.6.3 of Book
     II).
     Formats: X
L (10)
     Field used to specify whether a fixed-point Com-
     pare instruction is to compare 64-bit numbers or
     32-bit numbers.
     Field used by the Compare Range Byte instruction
     to indicate whether to compare against 1 or 2
     ranges of bytes.
     Formats: D, X
L1 (15)
     Field used by the Move To Machine State Register
     instruction (see Book III).
     Field used by the SLB Move From Entry VSID and
     SLB Move From Entry ESID instructions for imple-
     mentation-specific purposes.
     Formats: X
L3 (14:15)
     Field used by the Deliver A Random Number
     instruction (see Section 3.3.9, 'Fixed-Point Arith-
     metic Instructions') to choose the random number
     format.
     Formats: X
L (26)
     Field used to specify whether mask-in occurs in bmask
     Formats: BM2
L (31)
     Field used to specify whether the grevlut instruction
     updates the whole GPR or the first half.
     Formats: TLI
LEV (20:26)
     Field used by the System Call instructions.
     Formats: SC
LI (6:29)
     Immediate field used to specify a 24-bit signed
     two's complement integer which is concatenated
     on the right with 0b00 and sign-extended to 64
     bits.
     Formats: I
LK (31)
     LINK bit.
     0     Do not set the Link Register.
     1     Set the Link Register. The address of the
           instruction following the Branch instruction is
           placed into the Link Register.
     Formats: B, I, XL
rmm (11:15)
    Field used to specify a REMAP shape for SVI-Form
    Formats: SVI
MB (21:25)
    Field used in M-form instructions to specify the first
    1-bit of a 64-bit mask, as described in
    Section 3.3.14, 'Fixed-Point Rotate and Shift
    Instructions' on page 101.
    Formats: M
mb (21:26)
    Field used in MD-form and MDS-form instructions
    to specify the first 1-bit of a 64-bit mask, as
    described in Section 3.3.14, 'Fixed-Point Rotate
    and Shift Instructions' on page 101.
    Formats: MD, MDS
me (21:26)
    Field used in MD-form and MDS-form instructions
    to specify the last 1-bit of a 64-bit mask, as
    described in Section 3.3.14, 'Fixed-Point Rotate
    and Shift Instructions' on page 101.
    Formats: MD, MDS
ME (26:30)
    Field used in M-form instructions to specify the last
    1-bit of a 64-bit mask, as described in
    Section 3.3.14, 'Fixed-Point Rotate and Shift
    Instructions' on page 101.
    Formats: M
mi0 (11:12)
    Field used in REMAP to select the SVSHAPE for 1st input register
    Formats: SVRM
mi1 (13:14)
    Field used in REMAP to select the SVSHAPE for 2nd input register
    Formats: SVRM
mi2 (15:16)
    Field used in REMAP to select the SVSHAPE for 3rd input register
    Formats: SVRM
mm (24)
    Field used to specify the meaning of the rmm field for SVI-Form
    Formats: SVI
mo0 (17:18)
    Field used in REMAP to select the SVSHAPE for 1st output register
    Formats: SVRM
mo1 (19:20)
    Field used in REMAP to select the SVSHAPE for 2nd output register
    Formats: SVRM
MO (6:10)
    Field used in X-form instructions to specify a sub-
    set of storage accesses.
    Formats: X
ms (23)
    Field used in Simple-V to specify whether MVL is to be set
    Formats: SVL
NB (16:20)
    Field used to specify the number of bytes to move
    in an immediate Move Assist instruction.
    Formats: X
OC (6:20)
    Field used by the Embedded Hypervisor Privilege
    instruction.
    Formats: XL
OE (21)
    Field used by XO-form instructions to enable set-
    ting OV and SO in the XER.
    Formats: XO
PO (0:5)
    Primary opcode field.
    Formats: all
PRS (14)
    Field used to specify whether to invalidate pro-
    cess- or partition-scoped entries for tlbie[l].
    Formats: X
PS (22)
    Field used to specify preferred sign for BCD opera-
    tions.
    Formats: VX
pst (21)
    Field used in REMAP to indicate "persistence" mode (REMAP
    continues to apply to multiple instructions)
    Formats: SVRM
PT (28:31)
    Immediate field used to specify a 4-bit unsigned
    value.
    Formats: DQ
R (10)
    Field used by the tbegin. instruction to specify the
    start of a ROT.
    Formats: X
R (15)
    Immediate field that specifies whether the RMC is
    specifying the primary or secondary encoding
    Field used to specify whether to invalidate Radix
    Tree or HPT entries for tlbie[l].
    Formats: X, Z23
RA (11:15)
    Field used to specify a GPR to be used as a
    source or as a target.
    Formats: A, BM2, D, DQ, DQE, DS, M, MD, MDS, TX, VA, VA2, VX, X, XO, XS, SVL, XB
RB (16:20)
    Field used to specify a GPR to be used as a
    source.
    Formats: A, BM2, M, MDS, VA, VA2, X, XO
Rc (21)
    RECORD bit.
    0    Do not alter the Condition Register.
    1    Set Condition Register Field 6 as described in
         Section 2.3.1,     'Condition  Register'     on
         page 30.
    Formats: VC, XX3
RC (21:25)
    Field used to specify a GPR to be used as a
    source.
    Formats: VA, VA2, SVD, SVDS
Rc (31)
    RECORD bit.
    0    Do not alter the Condition Register.
    1    Set Condition Register Field 0 or Field 1 as
         described in Section 2.3.1, 'Condition Regis-
         ter' on page 30.
    Formats: A, M, MD, MDS, VA2, X, XFL, XO, XS, Z22, Z23, SVL, XB, TLI
RIC (12:13)
    Field used to specify what types of entries to inval-
    idate for tlbie[l].
    Formats: X
RM (19:20)
    Immediate operand field used to specify new
    binary floating-point rounding mode.
    Formats: X
RMC (21:22)
    Immediate field used for DFP rounding mode con-
    trol.
    Formats: Z23
RO (31)
    Round to Odd override
    Formats: X
RS (6:10)
    Field used to specify a GPR to be used as a
    source.
    Formats: D, DS, M, MD, MDS, X, XFX, XS
RSp (6:10)
    Field used to specify an even/odd pair of GPRs to
    be concatenated and used as a source.
    Formats: DS, X
RT (6:10)
    Field used to specify a GPR to be used as a target.
    Formats: A, BM2, D, DQE, DS, DX, VA, VA2, VX, X, XFX, XO, XX2, SVL, XB
RTp (6:10)
    Field used to specify an even/odd pair of GPRs to
    be concatenated and used as a target.
    Formats: DQ, X
S (11)
    Immediate field that specifies signed versus
    unsigned conversion.
    Formats: X
S (20)
    Immediate field that specifies whether or not the
    rfebb     instruction   re-enables      event-based
    branches.
    Formats: XL
SCi (6:8)
    Index to SV Context Propagation SPR
    Formats: SVC, SVR
SCm (9:10)
    SV Context Propagation Mode
    Formats: SVC, SVR
SCimm (11:31)
    SV Context Propagation immediate bitfield
    Formats: SVC
SRbr (11:14)
    SV REMAP byte-reversal field.
    Formats: SVC
SRimm (15:31)
    SV REMAP immediate FIFO bitfield
    Formats: SVC
SH (16:20)
    Field used to specify a shift amount.
    Formats: M, X
SH (16:21)
    Field used to specify a shift amount.
    Formats: Z22
sh (30,16:20)
    Fields that are concatenated to specify a shift
    amount.
    Formats: MD, XS
SHB (22:25)
    Field used to specify a shift amount in bytes.
    Formats: VA
SHW (22:23)
     Field used to specify a shift amount in words.
     Formats: XX3
SI (16:20)
     Immediate field used to specify a 5-bit signed inte-
     ger.
     Formats: X
SI (16:31)
     Immediate field used to specify a 16-bit signed
     integer.
     Formats: D
SIM (11:15)
     Immediate field used to specify a 5-bit signed inte-
     ger.
     Formats: VX
sk (25)
    Field used to specify dimensional skipping in svindex
    Formats: SVI
SP (11:12)
     Immediate field that specifies signed versus
     unsigned conversion.
     Formats: X
SPR (11:20)
     Field used to specify a Special Purpose Register
     for the mtspr and mfspr instructions.
     Formats: XFX
SR (12:15)
     Field used by the Segment Register Manipulation
     instructions (see Book III).
     Formats: X
SVd (16:20)
    Immediate field used to specify the size of the REMAP dimension
    in the svindex instruction.
    Formats: SVI
SVD (21:31)
    Immediate field used to specify an 11-bit signed
    two's complement integer which is sign-extended
    to 64 bits.
    Formats: SVD
SVDS (16:29)
    Immediate field used to specify a 9-bit signed
    two's complement integer which is concatenated
    on the right with 0b00 and sign-extended to 64 bits.
    Formats: SVDS
SVG (6:10)
    Field used to specify a GPR to be used as a
    source for indexing.
    Formats: SVI
SVi (16:22)
     Simple-V immediate field for setting VL or MVL
     Formats: SVL
SVme (6:10)
     Simple-V "REMAP" map-enable bits (0-4)
     Formats: SVRM
SVrm (21:24)
     Simple-V "REMAP" Mode
     Formats: SVM
SVxd (6:10)
     Simple-V "REMAP" x-dimension size
     Formats: SVM
SVyd (11:15)
     Simple-V "REMAP" y-dimension size
     Formats: SVM
SVzd (16:20)
     Simple-V "REMAP" z-dimension size
     Formats: SVM
SX,S (28,6:10)
     Fields SX and S are concatenated to specify a
     VSR to be used as a source.
     Formats: DQ
SX,S (31,6:10)
     Fields SX and S are concatenated to specify a
     VSR to be used as a source.
     Formats: X
T (9:10)
      Field used to specify the type of invalidation done
      by a TLB Invalidate Local instruction (see Book
      III-E).
     Formats: X
TBR (11:20)
     Field used by the Move From Time Base instruc-
     tion (see Section 6.1 of Book II).
     Formats: X
TE (11:15)
     Immediate field that specifies a DFP exponent.
     Formats: Z23
TH (6:10)
     Field used by the data stream variant of the dcbt
     and dcbtst instructions (see Section 4.3.2 of Book
     II).
     Formats: X
TLI (21:28)
     Field used by the ternlogi instruction as the
     look-up table.
     Formats: TLI
TO (6:10)
     Field used to specify the conditions on which to
     trap.     The    encoding     is    described   in
     Section 3.3.10.1,     'Character-Type     Compare
     Instructions' on page 87.
     Formats: D, X
TX,T (28,6:10)
     Fields that are concatenated to specify a VSR to
     be used as either a target.
     Formats: DQ
TX,T (31,6:10)
     Fields that are concatenated to specify a VSR to
     be used as either a target or a source.
     Formats: X, XX2, XX3, XX4
U (16:19)
     Immediate field used as the data to be placed into
     a field in the FPSCR.
     Formats: X
UI (16:20)
     Immediate field used to specify a 5-bit unsigned
     integer.
     Formats: TX
UI (16:31)
     Immediate field used to specify a 16-bit unsigned
     integer.
     Formats: D
UIM (11:15)
     Immediate field used to specify a 5-bit unsigned
     integer.
     Formats: VX, X
UIM (12:15)
     Immediate field used to specify a 4-bit unsigned
     integer.
     Formats: VX, XX2
UIM (13:15)
     Immediate field used to specify a 3-bit unsigned
     integer.
     Formats: VX
UIM (14:15)
     Immediate field used to specify a 2-bit unsigned
     integer.
     Formats: VX, XX2
VRA (11:15)
     Field used to specify a VR to be used as a source.
     Formats: VA, VC, VX
VRB (16:20)
    Field used to specify a VR to be used as a source.
    Formats: VA, VC, VX
VRC (21:25)
    Field used to specify a VR to be used as a source.
    Formats: VA
VRS (6:10)
    Field used to specify a VR to be used as a source.
    Formats: DS, X
VRT (6:10)
    Field used to specify a VR to be used as a target.
    Formats: DS, VA, VC, VX, X
vf (25)
    Field used in Simple-V to specify whether "Vertical" Mode is set
    Formats: SVL, SVM
vs (24)
    Field used in Simple-V to specify whether VL is to be set
    Formats: SVL
W (15)
    Field used by the mtfsfi and mtfsf instructions to
    specify the target word in the FPSCR.
    Formats: X, XFL
WC (9:10)
    Field used to specify the condition or conditions
    that cause instruction execution to resume after
    executing a wait instruction (see Section 4.6.4 of
    Book II).
    Formats: X
XBI (21:24)
    Field used to specify a bit in the XER.
    Formats: MDS, MDS, TX
XBI (16:21)
    Field used to specify a 6-bit unsigned immediate for bit manipulation
    instructions, such as grevi.
    Formats: XB
XO (21,23:31)
    Extended opcode field.
    Formats: VX
XO (21:24,26:28)
    Extended opcode field.
    Formats: XX2
XO (21:24:28)
    Extended opcode field.
    Formats: XX3
XO (21:28)
    Extended opcode field.
    Formats: XX3
XO (21:29)
    Extended opcode field.
    Formats: XS, XX2
XO (21:30)
    Extended opcode field.
    Formats: X, XFL, XFX, XL
XO (21:31)
    Extended opcode field.
    Formats: VX
XO (22:30)
    Extended opcode field.
    Formats: XO, XX3, Z22, XB
XO (22:31)
    Extended opcode field.
    Formats: VC
XO (23:30)
    Extended opcode field.
    Formats: X, Z23
XO (25:30)
    Extended opcode field.
    Formats: TX
XO (26:27)
    Extended opcode field.
    Formats: XX4
XO (26:30)
    Extended opcode field.
    Formats: A, DX, VA2, SVL
XO (26:31)
    Extended opcode field.
    Formats: VA, SVM, SVRM, SVI
XO (27:29)
    Extended opcode field.
    Formats: MD
XO (27:30)
    Extended opcode field.
    Formats: MDS
XO (27:31)
    Extended opcode field.
    Formats: BM2
XO (29:31)
    Extended opcode field.
    Formats: DQ, TLI
XO (30)
    Extended opcode field.
    Formats: SC
XO (30:31)
    Extended opcode field.
    Formats: DQE, DS, SC
yx (23)
    Field used to specify loop dimension order in svindex
    Formats: SVI