3 ms·
Wow, magic flags I've never seen before - look useful. As I understand it, -ffast-math is NOT useful here. That only effects floats and doubles.
by abainbridge 8y ago
Wow, magic flags I've never seen before - look useful.
As I understand it, -ffast-math is NOT useful here. That only effects floats and doubles.
- gnufx 8y agoYes, that was meant to be a general remar. This probably most often comes up for floating point, at least in my circles, and the similar option to fast-math that the Intel compiler defaults to contributes somewhat to the myth of its greatly superior code. Likewise restrict isn't relevant here -- you'd see notes about aliasing from opt-info otherwise.