The instruction in which both multiplication and addition are performed is
A. PAND
B. PMULHW
C. PADD
D. PMADDWD
Answer:A
The instruction in which both multiplication and addition are performed is
A. PAND B. PMULHW C. PADD D. PMADDWD
Explanation: PMADDWD is an important multimedia instruction, which multiplies the four signed words of destination operand, with four signed words of source operand. This results in 32-bit double words which are added, and the result is stored in the higher double word of the destination operand.