[Bug middle-end/100839] -O2 does dangerous optimizations using FMA (please don't break my cross product)
metalcaedes at gmail dot com
gcc-bugzilla@gcc.gnu.org
Mon May 31 01:46:10 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100839
Daniel Gibson <metalcaedes at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|INVALID |FIXED
--- Comment #2 from Daniel Gibson <metalcaedes at gmail dot com> ---
Do I understand this correctly that optimized builds by default violate the
standard?
At least that's what the difference between -ffp-contract=fast and the
unimplemented -ffp-contract=on suggests
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