On Wed, Dec 28, 2005 at 08:04:35AM -0500, Jakub Jelinek wrote:
> No.
> -fno-unit-at-a-time should be used with GCCs that
> a) support it
> b) are older than GCC 4.0
>
> The "$(GCC_VERSION) -lt 0400" test cares of b),
> $(call cc-option,-fno-unit-at-a-time) cares of a).
There was a reason for disabling it unconditionally in first place.
That was due to unexpected huge stack usage if I understand correct.
Ingo's patch enebles unit-at-a-time only for gcc > 4.00 which should
have this issue fixed.
If the argument is that we suddenly shall enable unit-at-a-time for
gcc before 4.00 then we should visit the reasons why it originally was
disabled.
Sam
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