|
Frozen
|
The XTheadBa extension is stable.
|
The XTheadBa ISA extension provides bitmanipulation instructions
for address calculation.
Extension version: 1.0.
The table below gives an overview of the instructions:
| RV32 | RV64 | Mnemonic | Instruction |
|---|---|---|---|
Y |
Y |
th.addsl rd, rs1, rs2, imm2 |
The XTheadBa extension’s availability can be probed via the
th.sxstatus.THEADISAEE bit (bit 22).
The XTheadBa extension is available if and only if this bit is 1.
Refer to [xtheadsxstatus] for more information about the th.sxstatus CSR.