[Bug target/29997] [meta-bug] various targets: GCC fails to encode epilogues in unwind-info

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29997

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |rth at gcc dot gnu.org

--- Comment #8 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Ian Lance Taylor from comment #6)
> All the insns in sh_expand_epilogue need to be examined to see if they need
> REG_CFA notes.  Some of them already have them.  I don't know what more are
> needed.
> 
> For example, look at the changes made to the i386 backend when rth added the
> general support for unwinding through epilogues:
> http://gcc.gnu.org/ml/gcc-patches/2009-05/msg00277.html

cc-ing rth then, if his changes are relevant here...