ARM, RISC-V контроллеры

3.8. Bitfield instructions Table 3.10 shows the instructions that operate on adjacent sets of bits in registers or bitfields. Table 3.10. Packing and unpacking instructions Mnemonic Brief description See BFC Bit Field Clear BFC and BFI BFI Bit Field Insert BFC and BFI SBFX Signed Bit Field Extract SBFX and UBFX SXTB Sign extend a byte SXT and UXT SXTH Sign extend a halfword SXT and UXT UBFX Unsigned Bit Field Extract SBFX and UBFX UXTB Zero extend a byte SXT and UXT UXTH Zero extend a halfword SXT and UXT