Re: TLB flush optimization on s/390.

["Martin Schwidefsky" <schwidefsky@de.ibm.com>]

> On at least x86 and sparc it makes it so that GCC cannot allocate
> enough registers and it has to reload several values to the
> stack.

And the function call overhead is smaller then the register spilling
on the stack ?!? I'm a bit surprised by this but I take you word
for it.

blue skies,
   Martin


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