3.18.4 SSE2 Miscellaneous Instructions
The SSE2 instructions described
below provide additional functionality for caching non-temporal data when
storing data from XMM registers to memory, and provide additional control
of instruction ordering on store operations.
Table 3-57 SSE2 Miscellaneous Instructions
| | | |
|---|
|
| CLFLUSH
| flushes and invalidates a memory operand and its associated cache line
from all levels of the processor's cache hierarchy
|
|
|
| LFENCE
| serializes load operations
|
|
|
| MASKMOVDQU
| non-temporal store of selected bytes from an XMM register into memory
|
|
|
| MFENCE
| serializes load and store operations
|
|
|
| MOVNTDQ
| non-temporal store of double quadword from an XMM register into memory
|
|
|
| MOVNTI
| non-temporal store of a doubleword from a general-purpose register into
memory
| movntiq valid only under –m64
|
|
| MOVNTPD
| non-temporal store of two packed double-precision floating-point values
from an XMM register into memory
|
|
|
| PAUSE
| improves the performance of spin-wait loops
|
|
|