- Synopsis
-
Move if equal zero.
- Mnemonic
-
th.mveqz rd, rs1, rs2
- 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: 'rs2' },
{ bits: 2, name: 0x00 },
{ bits: 5, name: 0x08 },
]}
- Description
-
This instruction moves the content of register rs1 into rd if the content of rs2 is 0x0. Otherwise, the value of rd does not change.
- Operation
if (reg[rs2] == 0x0)
reg[rd] := reg[rs1]- Permission
-
This instruction can be executed in all privilege levels.
- Exceptions
-
This instruction does not trigger any exceptions.
- Included in
| Extension |
|---|
XTheadCondMov ([xtheadcondmov]) |