REG64 195 libavcodec/x86/h264_cabac.c : "=&q"(coeff_count), "+"REG64(last), "+"REG64(index), "+&r"(c->low), REG64 198 libavcodec/x86/h264_cabac.c REG64(sig_off), REG64(last_coeff_ctx_base),