[Cin]Compile error mmx.h

When compiling on AMD64 with -O3 -march=native I get on two systems using GCC 15 the following error. In file included from video/slice.C:9: video/slice.C: In member function 'int zmpeg3_t::slice_decoder_t::add_block(int, int, int, int, int)': video/mmx.h:384:9: error: invalid 'asm': invalid constraints for operand 384 | __asm__ __volatile__ (#op " %%" #reg ", %0" \ | ^~~~~~~ video/mmx.h:406:33: note: in expansion of macro 'mmx_r2m' 406 | #define movq_r2m(reg, var) mmx_r2m(movq, reg, var) | ^~~~~~~ video/slice.C:208:7: note: in expansion of macro 'movq_r2m' 208 | movq_r2m(mm3,m_(rfp)); /* store rfp[0..7] */ | ^~~~~~~~ Stefan