https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97873
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
So then either we should expand the SWI48x mode abs for !TARGET_EXPAND_ABS into
a pre-reload define_insn_and_split with abs that we'd split almost like smax,
except for using the result of neg for the condition codes (and we'd need to
see how it plays with STV), or add a define_insn_and_split that would match
what the combiner is trying:
(set (reg:SI 84)
(smax:SI (neg:SI (reg/v:SI 83 [ x ]))
(reg/v:SI 83 [ x ])))
(clobber (reg:CC 17 flags))
and again split that cmov consumer of neg as flag setter (and again see what
STV does with that).
