Datasheet

163
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
12.6.8 Packing and Unpacking Instructions
The table below shows the instructions that operate on packing and unpacking data.
Table 12-23. Packing and Unpacking Instructions
Mnemonic Description
PKH Pack Halfword
SXTAB Extend 8 bits to 32 and add
SXTAB16 Dual extend 8 bits to 16 and add
SXTAH Extend 16 bits to 32 and add
SXTB Sign extend a byte
SXTB16 Dual extend 8 bits to 16 and add
SXTH Sign extend a halfword
UXTAB Extend 8 bits to 32 and add
UXTAB16 Dual extend 8 bits to 16 and add
UXTAH Extend 16 bits to 32 and add
UXTB Zero extend a byte
UXTB16 Dual zero extend 8 bits to 16 and add
UXTH Zero extend a halfword