x86 Instruction Set Reference

MOVLHPS - Move Packed Single-Precision Floating-Point Values Low to High

Opcode Mnemonic Description
0F 16 /r MOVLHPS xmm1, xmm2 Move two packed single-precision floating-point values from low quadword of xmm2 to high quadword of xmm1.
Description

Moves two packed single-precision floating-point values from the low quadword of the source operand (second operand) to the high quadword of the destination operand (first operand). The low quadword of the destination operand is left unchanged.
Operation 
Destination[64..127] = Source[0..63];
//Destination[0..63] unchanged
SIMD Floating-Point Exceptions
None.
Protected Mode Exceptions
#NMIf TS in CR0 is set.
#NMIf TS in CR0 is set.
Real-Address Mode Exceptions
Same exceptions as in Protected Mode.
Virtual-8086 Mode Exceptions
Same exceptions as in Protected Mode.
Instruction Latency Throughput Execution Unit
CPUID0F3n/0F2n0F3n/0F2n0F2n
MOVLHPS xmm, xmm4/42/2MMX_SHFT