pmulhw
Packed Multiply High Signed
PMULHW xmm1, xmm2/m128
Multiplies signed words, keeps high 16 bits.
Details
The Packed Multiply High Signed instruction multiplies signed words, keeps high 16 bits.
Pseudocode Operation
// Multiplies signed words, keeps high 16 bits
Example
PMULHW xmm1, xmm2/m128
Encoding
Binary Layout
66
+0
0F
+1
E5
+2
Operands
-
dest
XMM -
src
XMM/Mem