r120040/r120058 backport to gcc 4.2

[Eric Christopher]

>>>    Could one of you backport the fix for
>>> PR29302 contained in r120040 and r120058
>>> to gcc 4.2 branch? This would eliminate
>>> a set of gfortran testsuite failures
>>> on powerpc darwin for the gcc 4.2 release.
>>
>> I'm OK with it. Roger, it's the real.c patch for powerpc. You OK with
>> me putting it in the 4.2 branch?
>
> Sure.  Now that its been on mainline for a while without problems, and
> because it fixes new testsuite failures, I think it qualifies for 4.2.

OK. I've done this now.

2007-01-17  Eric Christopher  <echristo@apple.com>

         Backport from mainline:
         2006-12-18  Roger Sayle  <roger@eyesopen.com>
                     Eric Christopher  <echristo@apple.com>

         PR target/29302
         * real.c (real_maxval): Correctly handle IBM extended double  
format.

2007-01-17  Eric Christopher  <echristo@apple.com>

         Backport from mainline:
         2006-12-19  Eric Christopher  <echristo@apple.com>

         PR target/29302
         * gcc.c-torture/execute/pr29302-1.c: New.

-eric