___PPC_RS 384 arch/powerpc/include/asm/ppc-opcode.h #define ___PPC_RS(s) (((s) & 0x1f) << 21) ___PPC_RS 24 tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h #define ___PPC_RS(s) (((s) & 0x1f) << 21)