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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/96536] -fcf-protection code in
 i386.md:restore_stack_nonlocal uses invalid compare-and-jump rtl
Date: Mon, 10 Aug 2020 09:32:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96536

--- Comment #3 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Uro=C5=A1 Bizjak from comment #2)
> (In reply to Hongtao.liu from comment #1)
> > I'm testing patch like
>=20
> You can probably use gen_sub2_insn here.
>=20
> On a related note, "@" prefix can be used for rdssp, so one can pass mode=
 to
> an expander. This would eliminate e.g. "(word_mode =3D=3D SImode) ? gen_r=
dsspsi
> (reg_ssp) : gen_rdsspdi (reg_ssp)" constructs with just one call to the
> expander.

Yes, thanks for pointing out.=