s6 22 arch/alpha/include/uapi/asm/regdef.h #define s6 $15 s6 48 arch/mips/include/asm/regdef.h #define s6 $22 s6 91 arch/mips/include/asm/regdef.h #define s6 $22 s6 75 arch/mips/kernel/pm-cps.c s0, s1, s2, s3, s4, s5, s6, s7, s6 18 arch/x86/crypto/des3_ede-asm_64.S #define s6 ((s5) + (64*8))