Re: Should -ffp-contract=off the default on GCC?

[Paul Koning via Gcc-patches]

> On Mar 21, 2023, at 11:01 AM, Qing Zhao via Gcc-patches 
> <gcc-patches@gcc.gnu.org> wrote:
> 
> ...
> Most of the compiler users are not familiar with language standards, or no 
> access to language standards. Without clearly documenting such warnings along 
> with the option explicitly, the users have not way to know such potential 
> impact.

With modern highly optimized languages, not knowing the standard is going to 
get you in trouble.  There was a wonderful paper from MIT a few years ago 
describing all the many ways C can bite you if you don't know the rules.

        paul