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PSUBD

Subtracts two packed signed dwords.

The following table covers what the source and destinations can be.

DO NOT support LOCK

This instruction is available in both 32-bit and 64-bit modes. It requires SSE2 support.

The destination register MUST be an XMM register. Memory-to-memory operations are NOT supported. Using a memory operand as a source requires the processor to support the corresponding alignment or handle the resulting penalty.