--- boost/fiber/detail/cpu_relax.hpp 2017-09-02 11:56:11.000000000 +0200 +++ boost/fiber/detail/cpu_relax.hpp 2017-11-09 17:25:40.258995963 +0100 @@ -48,7 +48,7 @@ # define cpu_relax() asm volatile ("nop" ::: "memory"); # endif #elif BOOST_ARCH_MIPS -# define cpu_relax() asm volatile ("pause" ::: "memory"); +# define cpu_relax() asm volatile ("nop" ::: "memory"); #elif BOOST_ARCH_PPC // http://code.metager.de/source/xref/gnu/glibc/sysdeps/powerpc/sys/platform/ppc.h // http://stackoverflow.com/questions/5425506/equivalent-of-x86-pause-instruction-for-ppc