r59 165 arch/arc/include/asm/entry-arcv2.h ST2 r58, r59, PT_sp + 12 r59 193 arch/arc/include/asm/entry-arcv2.h LD2 r58, r59, PT_sp + 12 r59 92 arch/arc/include/asm/ptrace.h unsigned long r58, r59; /* ACCL/ACCH used by FPU / DSP MPY */ r59 53 arch/arc/include/uapi/asm/ptrace.h unsigned long r30, r58, r59;