Datasheet

SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
168
Examples
SXTAH R4, R8, R6, ROR #16 ; Rotates R6 right by 16 bits, obtains bottom
; halfword, sign extends to 32 bits, adds
; R8,and writes to R4
UXTAB R3, R4, R10 ; Extracts bottom byte of R10 and zero extends
; to 32 bits, adds R4, and writes to R3.
12.6.9 Bitfield Instructions
The table below shows the instructions that operate on adjacent sets of bits in registers or bitfields.
Table 12-24. Packing and Unpacking Instructions
Mnemonic Description
BFC Bit Field Clear
BFI Bit Field Insert
SBFX Signed Bit Field Extract
SXTB Sign extend a byte
SXTH Sign extend a halfword
UBFX Unsigned Bit Field Extract
UXTB Zero extend a byte
UXTH Zero extend a halfword