+
+# architectures with support for 8-byte (64 bits) atomics
+%arch_with_atomics64 i586 i686 athlon pentium2 pentium3 pentium4 %{x8664} x32 %{armv7} %{armv8} aarch64 mips64 ppc64 sparcv9 sparc64
+
+# architectures with support for 16-byte (128 bits) atomics
+%arch_with_atomics128 x86_64_v2 x86_64_v3 x86_64_v4