# Fields
These can be downloaded in plain text format here:
-<http://libre-riscv.org/openpower/isatables/fields.text>
+<http://libre-riscv.org/openpower/isatables/fields.txt>
+++ /dev/null
-#1.6.1 I-FORM
- |0 |6 |30|31 |
- | OPCD | LI |AA|LK |
-
-#1.6.2 B-FORM
- |0 |6 |11 |16 |30|31 |
- | OPCD | BO| BI | BD |AA|LK |
-
-#1.6.3 SC-FORM
- |0 |6 |11 |16 |20 |27 |30 |31 |
- | OPCD | ///| ///| // | LEV | //| 1| / |
-
-#1.6.4 D-FORM
- |0 |6 |9 |10 |11 |16 |31 |
- | OPCD | RT | RA| D |
- | OPCD | RT | RA| SI |
- | OPCD | RS | RA| D |
- | OPCD | RS | RA| UI |
- | OPCD | BF | / | L | RA| SI |
- | OPCD | BF | / | L | RA| UI |
- | OPCD | TO | RA| SI |
- | OPCD | FRT | RA| D |
- | OPCD | FRS | RA| D |
-
-#1.6.5 DS-FORM
- |0 |6 |11 |16 |30 |31 |
- | OPCD | RT | RA | DS | XO |
- | OPCD | RS | RA | DS | XO |
- | OPCD | RSp | RA | DS | XO |
- | OPCD | FRTp | RA | DS | XO |
- | OPCD | FRSp | RA | DS | XO |
-
-#1.6.6 DQ-FORM
- |0 |6 |11 |16 |28|29 |31 |
- | OPCD | RTp | RA | DQ | PT |
- | OPCD | S | RA | DQ |SX| XO |
- | OPCD | T | RA | DQ |TX| XO |
-
-# 1.6.7 X-FORM
- |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
- | OPCD | RT | RA | /// | XO | / |
- | OPCD | RT | RA | RB | XO | / |
- | OPCD | RT | RA | RB | XO |EH |
- | OPCD | RT | RA | NB | XO | / |
- | OPCD | RT | /|SR | /// | XO | / |
- | OPCD | RT | /// | RB | XO | / |
- | OPCD | RT | /// | RB | XO | 1 |
- | OPCD | RT | /// | /// | XO | / |
- | OPCD | RS | RA | RB | XO |Rc |
- | OPCD | RT | RA | RB | XO |Rc |
- | OPCD | RS | RA | RB | XO | 1 |
- | OPCD | RS | RA | RB | XO | / |
- | OPCD | RS | RA | NB | XO | / |
- | OPCD | RS | RA | SH | XO |Rc |
- | OPCD | RS | RA | /// | XO |Rc |
- | OPCD | RS | RA | /// | XO | / |
- | OPCD | RS | /|SR | /// | XO | / |
- | OPCD | RS | /// | RB | XO | / |
- | OPCD | RS | /// | /// | XO | / |
- | OPCD | RS | /// |L | /// | XO | / |
- | OPCD | TH | RA | RB | XO | / |
- | OPCD | BF |/ | L | RA | RB | XO | / |
- | OPCD | BF |// | FRA | FRB | XO | / |
- | OPCD | BF |// | BFA | // | /// | XO | / |
- | OPCD | BF |// | /// |W | U |/ | XO |Rc |
- | OPCD | BF |// | /// | /// | XO | / |
- | OPCD | TH | RA | RB | XO | / |
- | OPCD | /| CT | /// | /// | XO | / |
- | OPCD | /| CT | RA | RB | XO | / |
- | OPCD | /// | L | RA | RB | XO | / |
- | OPCD | /// | L | /// | RB | XO | / |
- | OPCD | /// | L | /// | /// | XO | / |
- | OPCD | /// | L | /| E | /// | XO | / |
- | OPCD | TO | RA | RB | XO | / |
- | OPCD | FRT | RA | RB | XO | / |
- | OPCD | FRT | FRA | FRB | XO | / |
- | OPCD | FRTp | RA | RB | XO | / |
- | OPCD | FRT | /// | FRB | XO |Rc |
- | OPCD | FRT | /// | FRBp | XO |Rc |
- | OPCD | FRT | /// | /// | XO |Rc |
- | OPCD | FRTp | /// | FRB | XO |Rc |
- | OPCD | FRTp | /// | FRBp | XO |Rc |
- | OPCD | FRTp | FRA | FRBp | XO |Rc |
- | OPCD | FRTp | FRAp | FRBp | XO |Rc |
- | OPCD | BF |// | FRA | FRBp | XO | / |
- | OPCD | BF |// | FRAp | FRBp | XO | / |
- | OPCD | FRT |S | | FRB | XO |Rc |
- | OPCD | FRTp |S | | FRBp | XO |Rc |
- | OPCD | FRS | RA | RB | XO | / |
- | OPCD | FRSp | RA | RB | XO | / |
- | OPCD | BT | /// | /// | XO |Rc |
- | OPCD | /// | RA | RB | XO | / |
- | OPCD | /// | /// | RB | XO | / |
- | OPCD | /// | /// | /// | XO | / |
- | OPCD | /// | /// | E|/// | XO | / |
- | OPCD | //|IH | /// | /// | XO | / |
- | OPCD | A|// | /// | /// | XO | 1 |
- | OPCD | A|// |R | /// | /// | XO | 1 |
- | OPCD | /// | RA | RB | XO | 1 |
- | OPCD | /// |WC | /// | /// | XO | / |
- | OPCD | /// |T | RA | RB | XO | / |
- | OPCD | VRT | RA | RB | XO | / |
- | OPCD | VRS | RA | RB | XO | / |
- | OPCD | MO | /// | /// | XO | / |
-
-# 1.6.8 XL-FORM
- |0 |6 |9 |11 |14 |16 |19|20|21 |31 |
- | OPCD | BT | BA | BB | XO | / |
- | OPCD | BO | BI | /// |BH | XO |LK |
- | OPCD | | /// |S | XO | / |
- | OPCD | BF |// |BFA |// | /// | XO | / |
- | OPCD | /// | XO | / |
- | OPCD | OC | XO | / |
-
-# 1.6.9 XFX-FORM
- |0 |6 |11|12 |20|21 |31 |
- | OPCD | RT | spr | XO | / |
- | OPCD | RT | tbr | XO | / |
- | OPCD | RT |0 | /// | XO | / |
- | OPCD | RT |1 | FXM |/ | XO | / |
- | OPCD | RT | dcr | XO | / |
- | OPCD | RT | pmrn | XO | / |
- | OPCD | RT | BHRBE | XO | / |
- | OPCD | DUI | DUIS | XO | / |
- | OPCD | RS |0 | FXM |/ | XO | / |
- | OPCD | RS |1 | FXM |/ | XO | / |
- | OPCD | RS | spr | XO | / |
- | OPCD | RS | dcr | XO | / |
- | OPCD | RS | pmrn | XO | / |
-
-# 1.6.10 XFL-FORM
- |0 |6|7 |15|16 |21 |31 |
- | OPCD |L| FLM |W |FRB | XO |Rc |
-
-# 1.6.11 XX1-FORM
- |0 |6 |11 |16 |21 |31 |
- | OPCD | T | RA | RB | XO |TX |
- | OPCD | S | RA | RB | XO |SX |
-
-# 1.6.12 XX2-FORM
- |0 |6 |9 |11 |14 |16 |21 |30|31 |
- | OPCD | T | /// | B |XO |BX|TX |
- | OPCD | T | /// |UIM | B |XO |BX|TX |
- | OPCD | BF | //| /// | B |XO |BX| / |
-
-# 1.6.13 XX3-FORM
- |0 |6 |9 |11 |16 |21 |22 |24 |29|30|31 |
- | OPCD | T | A | B | XO |AX|BX|TX |
- | OPCD | T | A | B |Rc | XO |AX|BX|TX |
- | OPCD | BF | // | A | B | XO |AX|BX|/ |
- | OPCD | T | A | B |XO |SHW | XO |AX|BX|TX |
- | OPCD | T | A | B |XO |DM | XO |AX|BX|TX |
-
-# 1.6.14 XX4-FORM
- |0 |6 |11 |16 |21 |26 |28|29 |30|31 |
- | OPCD | T | A | B | C | XO |CX|AX |BX|TX |
-
-# 1.6.15 XS-FORM
- |0 |6 |11 |16 |21 |30|31 |
- | OPCD | RS | RA | sh | XO |sh|Rc |
-
-# 1.6.16 XO-FORM
- |0 |6 |11 |16 |21 |22 |31 |
- | OPCD | RT| RA| RB |OE | XO |Rc |
- | OPCD | RT| RA| RB | /| XO |Rc |
- | OPCD | RT| RA| RB | /| XO | / |
- | OPCD | RT| RA| /// |OE | XO |Rc |
-
-# 1.6.17 A-FORM
- |0 |6 |11 |16 |21 |26 |31 |
- | OPCD | FRT | FRA | FRB | FRC | XO |Rc |
- | OPCD | FRT | FRA | FRB | /// | XO |Rc |
- | OPCD | FRT | FRA | /// | FRC | XO |Rc |
- | OPCD | FRT | /// | FRB | /// | XO |Rc |
- | OPCD | RT | RA | RB | BC | XO | /|
-
-# 1.6.18 M-FORM
- |0 |6 |11 |16 |21 |26 |31|
- | OPCD | RS | RA | RB | MB | ME |Rc|
- | OPCD | RS | RA | SH | MB | ME |Rc|
-
-# 1.6.19 MD-FORM
- |0 |6 |11 |16 |21 |27|30|31|
- | OPCD | RS | RA | sh | mb |XO|sh|Rc|
- | OPCD | RS | RA | sh | me |XO|sh|Rc|
-
-# 1.6.20 MDS-FORM
- |0 |6 |11 |16 |21 |27 |31|
- | OPCD | RS | RA | RB | mb | XO |Rc|
- | OPCD | RS | RA | RB | me | XO |Rc|
-
-# 1.6.21 VA-FORM
- |0 |6 |11 |16 |21|22 |26 |31|
- | OPCD | RT | RA | RB | RC | XO |
- | OPCD | VRT | VRA | VRB | VRC | XO |
- | OPCD | VRT | VRA | VRB | /|SHB| XO |
-
-# 1.6.22 VC-FORM
- |0 |6 |11 |16 |21|22 |31|
- | OPCD | VRT | VRA | VRB |Rc| XO |
-
-# 1.6.23 VX-FORM
- |0 |6 |11 |16 |21 |31|
- | OPCD | VRT | VRA | VRB | XO |
- | OPCD | VRT | /// | VRB | XO |
- | OPCD | VRT | UIM | VRB | XO |
- | OPCD | VRT | / UIM | VRB | XO |
- | OPCD | VRT | // UIM | VRB | XO |
- | OPCD | VRT | /// UIM | VRB | XO |
- | OPCD | VRT | SIM | ///| XO |
- | OPCD | VRT | ///| | XO |
- | OPCD | |/// | VRB | XO |
-
-# 1.6.24 EVX-FORM
- |0 |6 |9 |11 |16 |21 |31|
- | OPCD | RS | RA | RB | XO |
- | OPCD | RS | RA | UI | XO |
- | OPCD | RT | ///| RB | XO |
- | OPCD | RT | RA | RB | XO |
- | OPCD | RT | RA | ///| XO |
- | OPCD | RT | UI | RB | XO |
- | OPCD | BF|//| RA | RB | XO |
- | OPCD | RT | RA | UI | XO |
- | OPCD | RT | SI | ///| XO |
-
-# 1.6.25 EVS-FORM
- |0 |6 |11 |16 |21 |29 |31 |
- | OPCD | RT| RA | RB | XO |BFA |
-
-# 1.6.26 Z22-FORM
- |0 |6 |9 |11 |16 |22 |31 |
- | OPCD | BF|//| FRA | DCM | XO | / |
- | OPCD | BF|//| FRAp | DCM | XO | / |
- | OPCD | BF|//| FRA | DGM | XO | / |
- | OPCD | BF|//| FRAp | DGM | XO | / |
- | OPCD | FRT | FRA | SH | XO |Rc |
- | OPCD | FRTp| FRAp | SH | XO |Rc |
-
-# 1.6.27 Z23-FORM
- |0 |6 |11 |15 |16 |21 |23 |31 |
- | OPCD | FRT | TE | FRB |RMC| XO |Rc |
- | OPCD | FRTp| TE | FRBp |RMC| XO |Rc |
- | OPCD | FRT | FRA | FRB |RMC| XO |Rc |
- | OPCD | FRTp| FRA | FRBp |RMC| XO |Rc |
- | OPCD | FRTp| FRAp | FRBp |RMC| XO |Rc |
- | OPCD | FRT | /// | R | FRB |RMC| XO |Rc |
- | OPCD | FRTp| /// | R | FRBp |RMC| XO |Rc |
-
-# V3.0B 1.6.6 DX-FORM
- |0 |6 |11 |16 |26 |31
- | OPCD| RT| d1| d0| XO|d2
-
-# 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 (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
- 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
- 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
- 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
- L (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
- L (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
- L (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
- 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
- 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
- MO (6:10)
- Field used in X-form instructions to specify a sub-
- set of storage accesses.
- Formats: X
- 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
- OPCD (0:5)
- Primary opcode field.
- Formats: all
- 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.
- 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
- 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, D, DQ, DQE, DS, M, MD, MDS, TX, VA, VX, X, XO, XS
- RB (16:20)
- Field used to specify a GPR to be used as a
- source.
- Formats: A, M, MDS, VA, 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
- 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, X, XFL, XO, XS, Z22, Z23
- 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, D, DQE, DS, DX, VA, VX, X, XFX, XO, XX2
- 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
- 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
- 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
- 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
- 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: TX, 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
- 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
- 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
- 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
- XO (26:31)
- Extended opcode field.
- Formats: VA
- XO (27:29)
- Extended opcode field.
- Formats: MD
- XO (27:30)
- Extended opcode field.
- Formats: MDS
- XO (29:31)
- Extended opcode field.
- Formats: DQ
- XO (30)
- Extended opcode field.
- Formats: SC
- XO (30:31)
- Extended opcode field.
- Formats: DQE, DS, SC
-
--- /dev/null
+#1.6.1 I-FORM
+ |0 |6 |30|31 |
+ | OPCD | LI |AA|LK |
+
+#1.6.2 B-FORM
+ |0 |6 |11 |16 |30|31 |
+ | OPCD | BO| BI | BD |AA|LK |
+
+#1.6.3 SC-FORM
+ |0 |6 |11 |16 |20 |27 |30 |31 |
+ | OPCD | ///| ///| // | LEV | //| 1| / |
+
+#1.6.4 D-FORM
+ |0 |6 |9 |10 |11 |16 |31 |
+ | OPCD | RT | RA| D |
+ | OPCD | RT | RA| SI |
+ | OPCD | RS | RA| D |
+ | OPCD | RS | RA| UI |
+ | OPCD | BF | / | L | RA| SI |
+ | OPCD | BF | / | L | RA| UI |
+ | OPCD | TO | RA| SI |
+ | OPCD | FRT | RA| D |
+ | OPCD | FRS | RA| D |
+
+#1.6.5 DS-FORM
+ |0 |6 |11 |16 |30 |31 |
+ | OPCD | RT | RA | DS | XO |
+ | OPCD | RS | RA | DS | XO |
+ | OPCD | RSp | RA | DS | XO |
+ | OPCD | FRTp | RA | DS | XO |
+ | OPCD | FRSp | RA | DS | XO |
+
+#1.6.6 DQ-FORM
+ |0 |6 |11 |16 |28|29 |31 |
+ | OPCD | RTp | RA | DQ | PT |
+ | OPCD | S | RA | DQ |SX| XO |
+ | OPCD | T | RA | DQ |TX| XO |
+
+# 1.6.7 X-FORM
+ |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
+ | OPCD | RT | RA | /// | XO | / |
+ | OPCD | RT | RA | RB | XO | / |
+ | OPCD | RT | RA | RB | XO |EH |
+ | OPCD | RT | RA | NB | XO | / |
+ | OPCD | RT | /|SR | /// | XO | / |
+ | OPCD | RT | /// | RB | XO | / |
+ | OPCD | RT | /// | RB | XO | 1 |
+ | OPCD | RT | /// | /// | XO | / |
+ | OPCD | RS | RA | RB | XO |Rc |
+ | OPCD | RT | RA | RB | XO |Rc |
+ | OPCD | RS | RA | RB | XO | 1 |
+ | OPCD | RS | RA | RB | XO | / |
+ | OPCD | RS | RA | NB | XO | / |
+ | OPCD | RS | RA | SH | XO |Rc |
+ | OPCD | RS | RA | /// | XO |Rc |
+ | OPCD | RS | RA | /// | XO | / |
+ | OPCD | RS | /|SR | /// | XO | / |
+ | OPCD | RS | /// | RB | XO | / |
+ | OPCD | RS | /// | /// | XO | / |
+ | OPCD | RS | /// |L | /// | XO | / |
+ | OPCD | TH | RA | RB | XO | / |
+ | OPCD | BF |/ | L | RA | RB | XO | / |
+ | OPCD | BF |// | FRA | FRB | XO | / |
+ | OPCD | BF |// | BFA | // | /// | XO | / |
+ | OPCD | BF |// | /// |W | U |/ | XO |Rc |
+ | OPCD | BF |// | /// | /// | XO | / |
+ | OPCD | TH | RA | RB | XO | / |
+ | OPCD | /| CT | /// | /// | XO | / |
+ | OPCD | /| CT | RA | RB | XO | / |
+ | OPCD | /// | L | RA | RB | XO | / |
+ | OPCD | /// | L | /// | RB | XO | / |
+ | OPCD | /// | L | /// | /// | XO | / |
+ | OPCD | /// | L | /| E | /// | XO | / |
+ | OPCD | TO | RA | RB | XO | / |
+ | OPCD | FRT | RA | RB | XO | / |
+ | OPCD | FRT | FRA | FRB | XO | / |
+ | OPCD | FRTp | RA | RB | XO | / |
+ | OPCD | FRT | /// | FRB | XO |Rc |
+ | OPCD | FRT | /// | FRBp | XO |Rc |
+ | OPCD | FRT | /// | /// | XO |Rc |
+ | OPCD | FRTp | /// | FRB | XO |Rc |
+ | OPCD | FRTp | /// | FRBp | XO |Rc |
+ | OPCD | FRTp | FRA | FRBp | XO |Rc |
+ | OPCD | FRTp | FRAp | FRBp | XO |Rc |
+ | OPCD | BF |// | FRA | FRBp | XO | / |
+ | OPCD | BF |// | FRAp | FRBp | XO | / |
+ | OPCD | FRT |S | | FRB | XO |Rc |
+ | OPCD | FRTp |S | | FRBp | XO |Rc |
+ | OPCD | FRS | RA | RB | XO | / |
+ | OPCD | FRSp | RA | RB | XO | / |
+ | OPCD | BT | /// | /// | XO |Rc |
+ | OPCD | /// | RA | RB | XO | / |
+ | OPCD | /// | /// | RB | XO | / |
+ | OPCD | /// | /// | /// | XO | / |
+ | OPCD | /// | /// | E|/// | XO | / |
+ | OPCD | //|IH | /// | /// | XO | / |
+ | OPCD | A|// | /// | /// | XO | 1 |
+ | OPCD | A|// |R | /// | /// | XO | 1 |
+ | OPCD | /// | RA | RB | XO | 1 |
+ | OPCD | /// |WC | /// | /// | XO | / |
+ | OPCD | /// |T | RA | RB | XO | / |
+ | OPCD | VRT | RA | RB | XO | / |
+ | OPCD | VRS | RA | RB | XO | / |
+ | OPCD | MO | /// | /// | XO | / |
+
+# 1.6.8 XL-FORM
+ |0 |6 |9 |11 |14 |16 |19|20|21 |31 |
+ | OPCD | BT | BA | BB | XO | / |
+ | OPCD | BO | BI | /// |BH | XO |LK |
+ | OPCD | | /// |S | XO | / |
+ | OPCD | BF |// |BFA |// | /// | XO | / |
+ | OPCD | /// | XO | / |
+ | OPCD | OC | XO | / |
+
+# 1.6.9 XFX-FORM
+ |0 |6 |11|12 |20|21 |31 |
+ | OPCD | RT | spr | XO | / |
+ | OPCD | RT | tbr | XO | / |
+ | OPCD | RT |0 | /// | XO | / |
+ | OPCD | RT |1 | FXM |/ | XO | / |
+ | OPCD | RT | dcr | XO | / |
+ | OPCD | RT | pmrn | XO | / |
+ | OPCD | RT | BHRBE | XO | / |
+ | OPCD | DUI | DUIS | XO | / |
+ | OPCD | RS |0 | FXM |/ | XO | / |
+ | OPCD | RS |1 | FXM |/ | XO | / |
+ | OPCD | RS | spr | XO | / |
+ | OPCD | RS | dcr | XO | / |
+ | OPCD | RS | pmrn | XO | / |
+
+# 1.6.10 XFL-FORM
+ |0 |6|7 |15|16 |21 |31 |
+ | OPCD |L| FLM |W |FRB | XO |Rc |
+
+# 1.6.11 XX1-FORM
+ |0 |6 |11 |16 |21 |31 |
+ | OPCD | T | RA | RB | XO |TX |
+ | OPCD | S | RA | RB | XO |SX |
+
+# 1.6.12 XX2-FORM
+ |0 |6 |9 |11 |14 |16 |21 |30|31 |
+ | OPCD | T | /// | B |XO |BX|TX |
+ | OPCD | T | /// |UIM | B |XO |BX|TX |
+ | OPCD | BF | //| /// | B |XO |BX| / |
+
+# 1.6.13 XX3-FORM
+ |0 |6 |9 |11 |16 |21 |22 |24 |29|30|31 |
+ | OPCD | T | A | B | XO |AX|BX|TX |
+ | OPCD | T | A | B |Rc | XO |AX|BX|TX |
+ | OPCD | BF | // | A | B | XO |AX|BX|/ |
+ | OPCD | T | A | B |XO |SHW | XO |AX|BX|TX |
+ | OPCD | T | A | B |XO |DM | XO |AX|BX|TX |
+
+# 1.6.14 XX4-FORM
+ |0 |6 |11 |16 |21 |26 |28|29 |30|31 |
+ | OPCD | T | A | B | C | XO |CX|AX |BX|TX |
+
+# 1.6.15 XS-FORM
+ |0 |6 |11 |16 |21 |30|31 |
+ | OPCD | RS | RA | sh | XO |sh|Rc |
+
+# 1.6.16 XO-FORM
+ |0 |6 |11 |16 |21 |22 |31 |
+ | OPCD | RT| RA| RB |OE | XO |Rc |
+ | OPCD | RT| RA| RB | /| XO |Rc |
+ | OPCD | RT| RA| RB | /| XO | / |
+ | OPCD | RT| RA| /// |OE | XO |Rc |
+
+# 1.6.17 A-FORM
+ |0 |6 |11 |16 |21 |26 |31 |
+ | OPCD | FRT | FRA | FRB | FRC | XO |Rc |
+ | OPCD | FRT | FRA | FRB | /// | XO |Rc |
+ | OPCD | FRT | FRA | /// | FRC | XO |Rc |
+ | OPCD | FRT | /// | FRB | /// | XO |Rc |
+ | OPCD | RT | RA | RB | BC | XO | /|
+
+# 1.6.18 M-FORM
+ |0 |6 |11 |16 |21 |26 |31|
+ | OPCD | RS | RA | RB | MB | ME |Rc|
+ | OPCD | RS | RA | SH | MB | ME |Rc|
+
+# 1.6.19 MD-FORM
+ |0 |6 |11 |16 |21 |27|30|31|
+ | OPCD | RS | RA | sh | mb |XO|sh|Rc|
+ | OPCD | RS | RA | sh | me |XO|sh|Rc|
+
+# 1.6.20 MDS-FORM
+ |0 |6 |11 |16 |21 |27 |31|
+ | OPCD | RS | RA | RB | mb | XO |Rc|
+ | OPCD | RS | RA | RB | me | XO |Rc|
+
+# 1.6.21 VA-FORM
+ |0 |6 |11 |16 |21|22 |26 |31|
+ | OPCD | RT | RA | RB | RC | XO |
+ | OPCD | VRT | VRA | VRB | VRC | XO |
+ | OPCD | VRT | VRA | VRB | /|SHB| XO |
+
+# 1.6.22 VC-FORM
+ |0 |6 |11 |16 |21|22 |31|
+ | OPCD | VRT | VRA | VRB |Rc| XO |
+
+# 1.6.23 VX-FORM
+ |0 |6 |11 |16 |21 |31|
+ | OPCD | VRT | VRA | VRB | XO |
+ | OPCD | VRT | /// | VRB | XO |
+ | OPCD | VRT | UIM | VRB | XO |
+ | OPCD | VRT | / UIM | VRB | XO |
+ | OPCD | VRT | // UIM | VRB | XO |
+ | OPCD | VRT | /// UIM | VRB | XO |
+ | OPCD | VRT | SIM | ///| XO |
+ | OPCD | VRT | ///| | XO |
+ | OPCD | |/// | VRB | XO |
+
+# 1.6.24 EVX-FORM
+ |0 |6 |9 |11 |16 |21 |31|
+ | OPCD | RS | RA | RB | XO |
+ | OPCD | RS | RA | UI | XO |
+ | OPCD | RT | ///| RB | XO |
+ | OPCD | RT | RA | RB | XO |
+ | OPCD | RT | RA | ///| XO |
+ | OPCD | RT | UI | RB | XO |
+ | OPCD | BF|//| RA | RB | XO |
+ | OPCD | RT | RA | UI | XO |
+ | OPCD | RT | SI | ///| XO |
+
+# 1.6.25 EVS-FORM
+ |0 |6 |11 |16 |21 |29 |31 |
+ | OPCD | RT| RA | RB | XO |BFA |
+
+# 1.6.26 Z22-FORM
+ |0 |6 |9 |11 |16 |22 |31 |
+ | OPCD | BF|//| FRA | DCM | XO | / |
+ | OPCD | BF|//| FRAp | DCM | XO | / |
+ | OPCD | BF|//| FRA | DGM | XO | / |
+ | OPCD | BF|//| FRAp | DGM | XO | / |
+ | OPCD | FRT | FRA | SH | XO |Rc |
+ | OPCD | FRTp| FRAp | SH | XO |Rc |
+
+# 1.6.27 Z23-FORM
+ |0 |6 |11 |15 |16 |21 |23 |31 |
+ | OPCD | FRT | TE | FRB |RMC| XO |Rc |
+ | OPCD | FRTp| TE | FRBp |RMC| XO |Rc |
+ | OPCD | FRT | FRA | FRB |RMC| XO |Rc |
+ | OPCD | FRTp| FRA | FRBp |RMC| XO |Rc |
+ | OPCD | FRTp| FRAp | FRBp |RMC| XO |Rc |
+ | OPCD | FRT | /// | R | FRB |RMC| XO |Rc |
+ | OPCD | FRTp| /// | R | FRBp |RMC| XO |Rc |
+
+# V3.0B 1.6.6 DX-FORM
+ |0 |6 |11 |16 |26 |31
+ | OPCD| RT| d1| d0| XO|d2
+
+# 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 (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
+ 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
+ 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
+ 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
+ L (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
+ L (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
+ L (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
+ 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
+ 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
+ MO (6:10)
+ Field used in X-form instructions to specify a sub-
+ set of storage accesses.
+ Formats: X
+ 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
+ OPCD (0:5)
+ Primary opcode field.
+ Formats: all
+ 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.
+ 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
+ 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, D, DQ, DQE, DS, M, MD, MDS, TX, VA, VX, X, XO, XS
+ RB (16:20)
+ Field used to specify a GPR to be used as a
+ source.
+ Formats: A, M, MDS, VA, 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
+ 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, X, XFL, XO, XS, Z22, Z23
+ 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, D, DQE, DS, DX, VA, VX, X, XFX, XO, XX2
+ 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
+ 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
+ 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
+ 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
+ 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: TX, 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
+ 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
+ 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
+ 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
+ XO (26:31)
+ Extended opcode field.
+ Formats: VA
+ XO (27:29)
+ Extended opcode field.
+ Formats: MD
+ XO (27:30)
+ Extended opcode field.
+ Formats: MDS
+ XO (29:31)
+ Extended opcode field.
+ Formats: DQ
+ XO (30)
+ Extended opcode field.
+ Formats: SC
+ XO (30:31)
+ Extended opcode field.
+ Formats: DQE, DS, SC
+
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