___PPC_RB 382 arch/powerpc/include/asm/ppc-opcode.h #define ___PPC_RB(b) (((b) & 0x1f) << 11) ___PPC_RB 23 tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h #define ___PPC_RB(b) (((b) & 0x1f) << 11)