https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128270
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2026-10-29
Ever confirmed|0 |1
CC| |hjl.tools at gmail dot com,
| |jakub at gcc dot gnu.org
Status|UNCONFIRMED |NEW
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
Untested fix: don’t take the red-zone shortcut in ix86_add_cfa_restore_note for
the hard frame pointer when it is saved via the DRAP expression rule.
bool expr_rule = (reg == hard_frame_pointer_rtx
&& crtl->drap_reg != NULL_RTX);
if (!expr_rule
&& !crtl->shrink_wrapped
&& cfa_offset <= cfun->machine->fs.red_zone_offset)
return;
Not really my area of expertise, adding some CCs.
