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Re: [RFA] expand from SSA form (1/2)

Hi,

On Tue, 28 Apr 2009, David Edelsohn wrote:

> > Meanwhile Andrew has analyzed this somewhat (PR39929). ÂIf that turns 
> > out to be correct we would need to amend the target to check for 
> > currently_expanding_to_rtl, not just for current_ir_type(). ÂThat 
> > wouldn't influence the AIX breakage though.
> 
> I tried Andreas Krebbel's patch, but that, unfortunately, did not fix 
> the AIX libobjc build.
> 
> I am able to bootstrap C, C++, and Fortran, and run the testsuite. 
> Objective C is not required on AIX, but the build problem is exposing a 
> miscompilation of GCC on PowerPC after the expand SSA merge.

Yeah, I also seem to see a miscompilation on powerpc64-linux somewhere in 
df-core.c (two times the same bitmap free'd which breaks the 
df_bitmap_obstack leading to breakage downstream).  Will analyze this some 
more.


Ciao,
Michael.
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