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Re: Changing the default i387 precision
On Sat, May 04, 2013 at 03:02:41PM +0200, Matthias Drochner wrote:
> Here is a little test program which still fails on Linux/x86_64
> (gcc 4.6.3) if compiled with -mfpmath=387 -O2.
Works fine here, besides, you are forcing a slower code path that
explicitly is known to have this problems. See also the options I
mentioned in the other mail. GCC decided against enabling them by
default because all the Phoronix folks and the like would complain
about the performance penalty associated with it...
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