RK1                50 arch/x86/crypto/serpent-avx-x86_64-asm_64.S #define RK1 %xmm13
RK1                52 arch/x86/crypto/serpent-avx2-asm_64.S #define RK1 %ymm13
RK1                37 arch/x86/crypto/serpent-sse2-x86_64-asm_64.S #define RK1 %xmm12
RK1                58 arch/x86/crypto/twofish-avx-x86_64-asm_64.S #define RK1 %xmm12