https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126350
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Uroš Bizjak from comment #1) > I don't see problem here. There is no requirement that libatomic uses SSE > instructions. Also, -mno-sse is not x86_64 ABI compliant, so all used > libraries should use -mno-sse too. > > This is the same situation as compiling with -mno-sse and expecting that > math library also doesn't use SSE instructions. > > So, corresponding libatomic (without SSE insns) should be provided in this > case. libatomic is the part of gcc, which doesn't provide atomic functions without SSE.
