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Re: [patch] Enable fmove-loop-invariants by default
Daniel Jacobowitz wrote:
> On Sun, Feb 26, 2006 at 07:39:25PM +0100, Zdenek Dvorak wrote:
>> I think it is ok to apply this one for now (my one first needs to be
>> split into several smaller parts, as I lost control over myself and
>> removed too much at once :-) I will send some trivial followup (for
>> removal -fstrength-reduce and -fprefetch-loop-arrays-rtl). I think we
>> should then wait for a few days to make sure that we can proceed with
>> the removal of the rest of the loop optimizer without causing some major
>> disaster.
>
> Is there a general policy on removing -f options, versus turning them
> into NOPs? There's a _lot_ of code lying around that references
> -fstrength-reduce or -fno-strength-reduce. I don't know about the
> others like -floop-optimize, but I wouldn't be surprised.
Yes, I think we have a general policy of leaving such options around as
no-ops, and we should certainly do so here.
--
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713