[Bug target/78478] Compile Error for i386-rtems

[joel at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78478

--- Comment #24 from Joel Sherrill <joel at gcc dot gnu.org> ---
Would you mind applying this to the 6.x branch? That was where the issue was
initially spotted.

I don't know what to do about this extra line in rtemself.h though. It was not
present in the master 

#define IX86_NO_LIBGCC_TFMODE