DX               2437 arch/powerpc/xmon/ppc-opc.c #define DX_MASK DX (0x3f, 0x1f)
DX               4149 arch/powerpc/xmon/ppc-opc.c {"addpcis",  DX(19,2),		DX_MASK,     POWER9,	PPCVLE,		{RT, DXD}},
DX               4150 arch/powerpc/xmon/ppc-opc.c {"subpcis",  DX(19,2),		DX_MASK,     POWER9,	PPCVLE,		{RT, NDXD}},
DX                179 arch/x86/um/signal.c 	GETREG(DX, dx);
DX                258 arch/x86/um/signal.c 	PUTREG(DX, dx);
DX                 17 tools/perf/arch/x86/util/perf_regs.c 	SMPL_REG(DX, PERF_REG_X86_DX),
DX                 23 tools/perf/arch/x86/util/unwind-libdw.c 		dwarf_regs[2] = REG(DX);
DX                 33 tools/perf/arch/x86/util/unwind-libdw.c 		dwarf_regs[1]  = REG(DX);