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Re: weird optimization in sin+cos, x86 backend

Vincent Lefevre <vincent+gcc@vinc17.org> writes:

> Wrong. 53 bits of precision. And 10^22 is the last power of 10
> exactly representable in double precision (FYI, this example has
> been chosen because of this property).

But it is indistinguishable from 10^22+pi.  So both -0.8522008497671888
and 0.8522008497671888 are correct results, or anything inbetween.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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