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Re: [PATCH] Fix 69845


On Wed, Mar 23, 2016 at 09:59:56AM +0100, Richard Biener wrote:
> Note that always when I find bugs in extract_muldiv and try
> to decipher what it does I think we need to rip that out,
> replacing it with some simple patterns and leaving the rest
> to passes like reassoc.  It's simply a beast that proved to
> be a can of worms...

That is true, but sadly any optimization removals from extract_muldiv
proved to be huge cans of worms too (e.g. in constexpr handling
or constant initializers).

	Jakub


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