https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105927
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com
Status|NEW |ASSIGNED
--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md
index 848a79a8d16..128144f1050 100644
--- a/gcc/config/i386/predicates.md
+++ b/gcc/config/i386/predicates.md
@@ -672,6 +672,12 @@ (define_predicate "register_no_elim_operand"
{
if (SUBREG_P (op))
op = SUBREG_REG (op);
+
+ /* Before reload, we can allow (SUBREG (MEM...)) as a register operand
+ because it is guaranteed to be reloaded into one. */
+ if (MEM_P (op))
+ return true;
+
return !(op == arg_pointer_rtx
|| op == frame_pointer_rtx
|| IN_RANGE (REGNO (op),
