Opcode PMULHUW
CPU: Pentium III+ (KNI/MMX2), AMD Athlon (AMD EMMX)
Type of instruction: User
Instruction: PMULHUW dest,src
Description:
temp1 <- dest[15:0] * src[15:0];
temp2 <- dest[31:16] * src[31:16];
temp3 <- dest[47:32] * src[47:32];
temp4 <- dest[63:48] * src[63:48];
dest[15:0] <- temp1[31:16];
dest[31:16] <- temp2[31:16];
dest[47:32] <- temp3[31:16];
dest[63:48] <- temp4[31:16];
Physical Form and Timing:
PMULHUW mm,mm/m64 0Fh E4h Postbyte
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