https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70442
Ilya Enkovich <ienkovich at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |ienkovich at gcc dot
gnu.org
--- Comment #2 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Another undefined register case in STV. Undefined registers were supported in
scalar_chain::convert_op but we don't call it for reg-reg moves. Testing this
patch:
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 1639704..8c6024b 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -3467,6 +3468,7 @@ scalar_chain::convert_insn (rtx_insn *insn)
break;
case REG:
+ convert_op (&src, insn);
break;
case SUBREG:
