https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63917
Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |fxcoudert at gcc dot gnu.org
--- Comment #8 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
(In reply to Zhenqiang Chen from comment #3)
> Root cause: r217646 enhances ifcvt to handle cbranchcc4 instruction. But
> ifcvt does not check whether an insn will clobber CC or not, when moving it
> before the cbranchcc4 instruction.
This is a clear and important regression, miscompiling real-life code. Can we
get this fixed, or should we ask to revert 217646 until this is fixed?
