[Bug middle-end/102464] Miss optimization for (_Float16) sqrtf ((float) f16)

jbeulich at suse dot com gcc-bugzilla@gcc.gnu.org
Mon Jun 27 12:39:14 GMT 2022


jbeulich at suse dot com changed:

           What    |Removed                     |Added
                 CC|                            |jbeulich at suse dot com

--- Comment #16 from jbeulich at suse dot com ---
(In reply to Hongtao.liu from comment #15)
> Fixed in GCC12.

Only almost - the new FMA testcase there fails for i?86-*-*. I don't think even
the few uses of VFMA* actually match the expectations. The majority of the
operations are carried in the FPU anyway, despite -mfpmath=sse.

More information about the Gcc-bugs mailing list