On Jun 1, 2011, at 9:01 AM, Rainer Orth wrote:
> Both TARGET_64BIT_DEFAULT and TARGET_BI_ARCH live in gcc only, so at
> least in the medium term, we need different tests here.

Ah, ick.  Oh well...  The next more general rule would be something like: one 
can set a feature (implicit -D__GCC_DO_UNWIND_BLA) in the compiler when 
TARGET_64BIT_DEFAULT and TARGET_BI_ARCH are set a certain way, and then in 
libgcc, one can just test that feature directly.  Ick, I hate inventing feature 
names here...

> I can certainly do it this way for now, but if we could do away with the
> tests completely, that would be cleaner.

Agreed, though, I don't believe the test is superfluous.

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