Conditionally multiply the packed single-precision (32-bit) floating-point elements in a and b using the high 4 bits in imm8, sum the four products, and conditionally store the sum in result using the low 4 bits of imm8.
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Conditionally multiply the packed single-precision (32-bit) floating-point elements in a and b using the high 4 bits in imm8, sum the four products, and conditionally store the sum in result using the low 4 bits of imm8.