[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343

--- Comment #22 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
A large proportion of the glibc libm tests still segfault for 
powerpc-linux-gnu soft-float with that patch applied to GCC trunk.  
(Although I don't see nextafter tests among those falling over, I don't 
think that means much, given how sensitive this issue is to the exact 
details of code generation.)