[m-dev.] diff: fix bug when acc intro was failing with the -O1 --opt-space flags

Zoltan Somogyi zs at cs.mu.OZ.AU
Fri Jan 12 12:44:47 AEDT 2001


On 11-Jan-2001, Peter Ross <peter.ross at miscrit.be> wrote:
> Mmakefile:
>     Turn on --excess-assign so that the HLDS is left in a form that the
>     accumulator introduction phase can introduce accumulators into.

Have you considered making --introduce-accumulators imply --excess-assign?
Given the expense of looking for accumulators, the small additional expense
of eliminating excess assignments is a good investment.

Zoltan.
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