Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
pkgconfig(atomic_ops)
devel(libatomic_ops(64bit))
devel(libatomic_ops_gpl(64bit))
libatomic_ops-devel
libatomic_ops-devel(x86-64)

Requires :

rpmlib(PayloadIsXz) <= 5.2-1
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(VersionedDependencies) <= 3.0.3-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libatomic_ops = 7.6.4-1pclos2018
devel(libatomic_ops(64bit))
pkgconfig

Content of RPM :
/usr/include/atomic_ops
/usr/include/atomic_ops.h
/usr/include/atomic_ops/ao_version.h
/usr/include/atomic_ops/generalize-arithm.h
/usr/include/atomic_ops/generalize-small.h
/usr/include/atomic_ops/generalize.h
/usr/include/atomic_ops/sysdeps
/usr/include/atomic_ops/sysdeps/all_acquire_release_volatile.h
/usr/include/atomic_ops/sysdeps/all_aligned_atomic_load_store.h
/usr/include/atomic_ops/sysdeps/all_atomic_load_store.h
/usr/include/atomic_ops/sysdeps/all_atomic_only_load.h
/usr/include/atomic_ops/sysdeps/ao_t_is_int.h
/usr/include/atomic_ops/sysdeps/armcc
/usr/include/atomic_ops/sysdeps/armcc/arm_v6.h
/usr/include/atomic_ops/sysdeps/emul_cas.h
/usr/include/atomic_ops/sysdeps/gcc
/usr/include/atomic_ops/sysdeps/gcc/aarch64.h
/usr/include/atomic_ops/sysdeps/gcc/alpha.h
/usr/include/atomic_ops/sysdeps/gcc/arm.h
/usr/include/atomic_ops/sysdeps/gcc/avr32.h
/usr/include/atomic_ops/sysdeps/gcc/cris.h
/usr/include/atomic_ops/sysdeps/gcc/generic-arithm.h
/usr/include/atomic_ops/sysdeps/gcc/generic-small.h
/usr/include/atomic_ops/sysdeps/gcc/generic.h
/usr/include/atomic_ops/sysdeps/gcc/hexagon.h
/usr/include/atomic_ops/sysdeps/gcc/hppa.h
/usr/include/atomic_ops/sysdeps/gcc/ia64.h
/usr/include/atomic_ops/sysdeps/gcc/m68k.h
/usr/include/atomic_ops/sysdeps/gcc/mips.h
/usr/include/atomic_ops/sysdeps/gcc/powerpc.h
There is 54 files more in these RPM.