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Home > A64 General Instructions > UMULH |
Unsigned Multiply High.
UMULH
Xd
, Xn
, Xm
Where:
Xd
Xn
Xm
Unsigned Multiply High multiplies two 64-bit register values, and writes bits[127:64] of the 128-bit result to the 64-bit destination register.
Xd = bits<127:64> of Xn * Xm
.