weird optimization in sin+cos, x86 backend

[Andreas Schwab]

Robert Dewar <dewar@adacore.com> writes:

> But if you write a literal that can be represented exactly, then it is
> perfectly reasonable to expect trig functions to give the proper
> result, which is unambiguous in this case.

How do you know that the number is exact?

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."