http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59691
--- Comment #2 from Balaji V. Iyer <bviyer at gmail dot com> --- Hello Bernd, I don't have a pentium 2 machine readily available. Can you try this patch and see if it works for you? Thanks, Balaji V. Iyer. diff --git a/libcilkrts/runtime/config/x86/os-unix-sysdep.c b/libcilkrts/runtime /config/x86/os-unix-sysdep.c index 881bc3f..8d5642c 100644 --- a/libcilkrts/runtime/config/x86/os-unix-sysdep.c +++ b/libcilkrts/runtime/config/x86/os-unix-sysdep.c @@ -47,7 +47,7 @@ // save the FP state (rounding mode and the like) before calling setjmp. We // will need to restore that state when we resume. #ifndef __MIC__ -# if defined(__i386__) || defined(__x86_64) +# if (defined(__i386__) || defined(__x86_64)) && defined (__SSE__) # define RESTORE_X86_FP_STATE # endif // defined(__i386__) || defined(__x86_64) #endif // __MIC__