lui

Load upper immediate

Load the zero-extended imm into xd.

This instruction must have data-independent timing when extension Zkt is enabled.

Assembly format

lui xd, imm

Decode Variables

signed Bits<32> imm = sext({$encoding[31:12], 12'd0}, 32);
Bits<5> xd = $encoding[11:7];

Execution

X[xd] = $signed(imm);

Encoding

svg

Defining extension

I

Access

M

Always

Containing profiles

  • Mandatory: RVA20S64, RVA20U64, RVA22S64, RVA22U64, RVA23S64, RVA23U64, RVB23S64, RVB23U64, RVI20U32, RVI20U64

  • Optional: None