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SMULH

Signed multiply high.

Syntax

SMULH  Xd, Xn, Xm

Where:

Xd

Is the 64-bit name of the general-purpose destination register, in the range 0 to 31.

Xn

Is the 64-bit name of the first general-purpose source register holding the multiplicand, in the range 0 to 31.

Xm

Is the 64-bit name of the second general-purpose source register holding the multiplier. The register name can be in the range 0 to 31.