Developer Reference


VM Pack/Unpack Functions

This section describes VM functions that convert vectors with unit increment to and from vectors with positive increment indexing, vector indexing, and mask indexing (see
Appendix "Vector Arguments in VM"
for details on vector indexing methods).
The table below lists available VM Pack/Unpack functions, together with data types and indexing methods associated with them.
VM Pack/Unpack Functions
Function Short Name
Data Types
Indexing Methods
s, d, c, z
Gathers elements of arrays, indexed by different methods.
s, d, c, z
Scatters vector elements to arrays with different indexing.

Product and Performance Information


Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

Notice revision #20110804