__THUNK_PROLOG_BC 38 arch/s390/include/asm/nospec-insn.h .macro __THUNK_PROLOG_BC d0,r1,r2 __THUNK_PROLOG_BC 148 arch/s390/include/asm/nospec-insn.h __DECODE_DRR __THUNK_PROLOG_BC,\disp,\reg,\ruse