https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112657
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Andrew Pinski from comment #2)
> Someone will have to debug ifcvt.cc to see why it fails on x86_64 but works
> on aarch64. Note there are some new changes to ifcvt.cc in review which
> might improve this, though I am not sure.
x86_64 targetm.noce_conversion_profitable_p returns false for:
(insn 20 0 19 (set (reg:SI 101)
(const_int -9 [0xfffffffffffffff7])) 85 {*movsi_internal}
(nil))
(insn 19 20 21 (set (reg:CCZ 17 flags)
(compare:CCZ (reg/v:SI 99 [ c ])
(const_int 14 [0xe]))) 11 {*cmpsi_1}
(nil))
(insn 21 19 0 (set (reg/v:SI 99 [ c ])
(if_then_else:SI (ne (reg:CCZ 17 flags)
(const_int 0 [0]))
(reg/v:SI 99 [ c ])
(reg:SI 101))) 1438 {*movsicc_noc}
(nil))
