R1H 25 arch/x86/crypto/aes-x86_64-asm_64.S #define R1H %ah R1H 53 arch/x86/crypto/twofish-i586-asm_32.S #define R1H %bh R1H 49 arch/x86/crypto/twofish-x86_64-asm_64.S #define R1H %bh