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VALIGND

Aligns a double word (dword) boundary for a destination memory address by adding a value to the source operand such that the resulting address is aligned to a 16-byte boundary.

The following table covers the supported source and destination operands.

DO NOT support LOCK

This instruction is available only in 64-bit mode. It is NOT supported in compatibility mode.

The destination operand MUST be a 4-byte memory region (m4) used to store the original address before alignment. Failure to ensure the destination is a valid memory address will result in a general protection fault.