[Bug target/106902] [11/12/13 Regression] Program compiled with -O3 -mfma produces different result

[amonakov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106902

--- Comment #11 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Can we move -ffp-contract=fast under the -ffast-math umbrella and default to
-ffp-contract=on/off?

Isn't it easy now to implement -ffp-contract=on by a GENERIC-only match.pd
rule?