-fuse-divide-subroutine

[Bryce McKinlay]

Tom Tromey wrote:

> Bryce> I notice that this option seems to have become the compiler's
> Bryce> default at some stage. It isn't necessary on IA32, and can be
> Bryce> quite expensive in some cases. Can't we turn it back off?
>
> configure.host tries to disable it on x86 by using
> -fno-use-divide-subroutine.  Does this not work for you?

Hmm, no it doesn't. I think the problem is that the "See if gcj supports
-fuse-divide-subroutine" test in configure is failing, which sets
DIVIDESPEC to be blank. I guess we should just remove this test, since
libgcj will no longer build on gcc versions that don't support?

regards

  [ bryce ]