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SMULL

Signed multiply long

This instruction multiplies two 32-bit register values, and writes the result to the 64-bit destination register.

This is an alias of SMADDL. This means:

313029282726252423222120191817161514131211109876543210
10011011001Rm011111RnRd
sfop54Uo0Ra

Encoding

SMULL <Xd>, <Wn>, <Wm>

is equivalent to

SMADDL <Xd>, <Wn>, <Wm>, XZR

and is always the preferred disassembly.

Assembler Symbols

<Xd>

Is the 64-bit name of the general-purpose destination register, encoded in the "Rd" field.

<Wn>

Is the 32-bit name of the first general-purpose source register holding the multiplicand, encoded in the "Rn" field.

<Wm>

Is the 32-bit name of the second general-purpose source register holding the multiplier, encoded in the "Rm" field.

Operation

The description of SMADDL gives the operational pseudocode for this instruction.

Operational Information

The description of SMADDL gives the operational information for this instruction.


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