- Synopsis
-
Rotate Right Word (by Immediate)
- Mnemonic
-
th.srriw rd, rs1, imm5
- Encoding
{reg:[
{ bits: 7, name: 0xb, attr: ['custom-0, 32 bit'] },
{ bits: 5, name: 'rd' },
{ bits: 3, name: 0x1, attr: ['Arithmetic'] },
{ bits: 5, name: 'rs1' },
{ bits: 5, name: 'imm5' },
{ bits: 7, name: 0x0a, attr: ['SRRIW'] },
]}
- Description
-
This operation performs a rotate-right on on the least-significant word of rs1 by imm5 bits and stores the result in rd.
- Operation (SAIL)
let rs1_val = (X(rs1))[31..0];
let result : xlenbits = EXTS(rs1_val >>> imm5);
X(rd) = result;- Permission
-
This instruction can be executed in all privilege levels.
- Exceptions
-
This instruction does not trigger any exceptions.
- Included in
| Extension |
|---|
XTheadBb ([xtheadbb]) |