Re: IRA vs. frame pointer elimination [PR38952]

[Dave Korn <dave dot korn dot cygwin at googlemail dot com>]

H.J. Lu wrote:
> On Fri, Jan 23, 2009 at 5:29 PM, Dave Korn wrote:
>>    Hi all,
>>
>> re: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38952
>> [Regression/4.4,P1 blocker IMHO: total failure of SjLj EH on Cygwin+MinGW]
>>
>>  I have a simple testcase showing breakage in SjLj EH on Cygwin.  To cut
>> right to the chase, the RTL generated by the 130r.eh pass to save %ebp (the
>> frame pointer) into the jmp_buf struct embedded in the SjLj_Function_Context
>> struct that is about to be registered looks like so:
>>
>
> An IRA setjmp bug was fixed recently:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38587
>
> Does it fix your problem?

  I'm not sure, but my source tree is at r.143552, which is just a couple of
revs before your fix went in.  I will test it and report back; thanks for the
hint.

    cheers,
      DaveK

[ now really going AFK for a bit this time! ]