c.xor

Exclusive Or

Exclusive or xd with xs2, and store the result in xd The xd and xs2 register indexes should be used as xd+8 and xs2+8 (registers x8-x15). C.XOR expands into xor xd, xd, xs2.

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

Assembly format

c.xor xd, xs2

Decode Variables

Bits<3> xs2 = $encoding[4:2];
Bits<3> xd = $encoding[9:7];

Execution

XReg t0 = X[creg2reg(xd)];
XReg t1 = X[creg2reg(xs2)];
X[creg2reg(xd)] = t0 ^ t1;

Encoding

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Defining extension

Zca

Access

M

Always

Containing profiles

  • Mandatory: None

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