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Re: Combiner fixes


On 08/03/2010 05:44 PM, Richard Guenther wrote:
> It's not safe on RTL, please do not add FP reassociation there.
> (config/i386/i386.c:ix86_expand_{round,trunc,...} would start
> to break).

Not a problem (I guess a !FLOAT_MODE_P || flag_associative_math test is
needed), but I guess I don't understand how things would break - I see
no multiply operations in these i386 functions.  Can you elaborate?


Bernd


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