[Bug target/109132] Apple M1 floating point bug when optimizing

muecker at gwdg dot de gcc-bugzilla@gcc.gnu.org
Tue Mar 14 20:29:13 GMT 2023


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109132

--- Comment #4 from Martin Uecker <muecker at gwdg dot de> ---
Seems you are right. Thanks! 

I get it for gcc-10 but not gcc-12 with -mfma on x86.

Apparently, WG14 made a change at some point to allow this.  But GCC does not 
implement the pragma to turn it off...


More information about the Gcc-bugs mailing list