Available on ARM only.
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Dual 16-bit Signed Multiply with Addition of products and 32-bit accumulation.
Returns the 16-bit signed equivalent of res = a[0] * b[0] + a[1] * b[1] + c
Dual 16-bit Signed Multiply with Addition of products and 32-bit accumulation.
Returns the 16-bit signed equivalent of res = a[0] * b[0] + a[1] * b[1] + c