PATCH: Darwin-specific 1-liners (2)

[Dale Johannesen]

On Wednesday, December 5, 2001, at 02:43 PM, Richard Henderson wrote:

> On Wed, Dec 05, 2001 at 11:24:22AM -0800, Dale Johannesen wrote:
>> Set BRANCH_COST to 1, which better reflects the hardware docs
>>    and is an empirical improvement.
>
> Surely this is cpu specific and has nothing to do with Darwin.

Superficially yes, but the set of applications run on different OSs
may well have different characteristics.  The motivation for this
is mainly empirical.

> Moreover, this will disable a lot of ifcvt.c; did you do your
> performance testing with gcc 3.x or with some earlier version?

3.x.