#1.6.3 SC-FORM
|0 |6 |11 |16 |20 27| |30 |31 |
| OPCD | ///| ///| // | LEV |//| 1| / |
- | OPCD | ///| ///| ///| /// |//| 1| / |
#1.6.4 D-FORM
|0 |6 |9 |10 |11 |16 |31 |
| OPCD | FRSp | RA | DS | XO |
#1.6.6 DQ-FORM
- |0 |6 |11 |16 |28 |31 |
- | OPCD | RTp | RA | DQ | /// |
+ |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 |
# 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 |
| PO| 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 bit.
- 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 abso-
- lute 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.
- AX (29) & A(11:15)
+ 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.
+ 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.
- BFA (11:13, 29:31)
+ 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 2.5, 'Branch Instructions'.
- BHRB(11:20)
+ 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 Roll-
- ing Buffer instruction.
+ as a source by the Move From Branch History
+ Rolling Buffer instruction.
+ Formats: X
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 2.5, 'Branch Instructions'.
+ 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.
- BX (30) & B(16:20)
- Fields that are concatenated to specify a VSR to
- be used as a source.
+ 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).
- CX (28) & C(21:25)
- Fields that are concatenated to specify a VSR to
- be used as a source.
+ 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.
+ 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 as the Data Class Mask.
- DCR (11:20)
- Field used by the Move To/From Device Control
- Register instructions (see Book III-E).
+ 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.
- DM (24:25)
+ 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.
- DUI (6:10)
- Field used by the dnh instruction (see Book III-E).
- DUIS (11:20)
- Field used by the dnh instruction (see Book III-E).
+ 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-
EH (31)
Field used to specify a hint in the Load and
Reserve instructions. The meaning is described in
- Section 4.4.2, 'Load and Reserve and Store Con-
+ 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 an FPR to be used as a
+ 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.
+ 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 5.9.3.1, 'SLB Management Instructions',
- in Book III-S.
+ 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.
- L (10, 15)
- 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 Data Cache Block Flush instruc-
- tion (see Section 4.3.2 of Book II).
- Field used by the Move To Machine State Register
- and TLB Invalidate Entry instructions (see Book
- III).
+ 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 4.4.3 of Book
+ 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 instruction.
+ 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.
- MB (21:25) and ME (26:30)
- Fields used in M-form instructions to specify a
- 64-bit mask consisting of 1-bits from bit MB+32
- through bit ME+32 inclusive and 0-bits elsewhere,
- as described in Section 3.3.14, 'Fixed-Point Rotate
- and Shift Instructions' on page 92.
- MB (21:26)
+ 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 92.
- ME (21:26)
+ 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 92.
+ 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.
- PMRN (11:20)
- Field used to specify a Performance Monitor Reg-
- ister for the mfpmr and mtpmr instructions.
+ 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.
- Rc (21, 31)
- RECORD bit.
- 0 Do not alter the Condition Register.
- 1 Set Condition Register Field 0, Field 1, or
- Field 6 as described in Section 2.3.1,
- Condition Register on page 30.
+ 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.
+ 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.
+ 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.
+ 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.
+ 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.
- S (11, 20)
- Immediate field that specifies signed versus
- unsigned conversion.
- Immediate field that specifies whether or not the
- rfebb instruction re-enables event-based
- branches.
- SH (16:20, 16:20 & 30, 16:21)
- Field used to specify a shift amount.
+ 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.
- SHW (24:25)
+ Field used to specify a shift amount in bytes.
+ Formats: VA
+ SHW (22:23)
Field used to specify a shift amount in words.
- SI (16:31, 11:15)
+ 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: X
SR (12:15)
Field used by the Segment Register Manipulation
- instructions (see Book III-S).
- SX (31) & S(6:10)
- Fields that are concatenated to specify a VSR to
- be used as a source.
+ 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 6.2.1 of Book II).
+ 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.
+ 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).
+ 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 3.3.11,
- 'Fixed-Point Trap Instructions' on page 81.
- TX (31) & T (6:10)
- Fields that are concatenated to specify a VSR to
- be used as a target.
+ 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.
- UI (11:15, 16:20, 16:31)
- Immediate field used to specify an unsigned inte-
- ger.
- UIM (11:15, 12:15, 13:15, 14:15)
- Immediate field used to specify an unsigned inte-
- ger.
+ 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.
+ 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.
+ 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.
+ 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.
+ 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.
+ 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 spec-
- ify the target word in the FPSCR.
+ 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 [Category: Wait] instruction (see
- Section 4.4.4 of Book II).
- XO (21, 21:28, 21:29, 21:30, 21:31, 22:28, 22:30, 22:31, 23:30, 24:28, 26:27, 26:30, 26:31, 27:29, 27:30, 30:31)
+ 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
projects / libreriscv.git / commitdiff