https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89848
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2019-03-28
Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com
Target Milestone|--- |8.4
Ever confirmed|0 |1
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
Ah, there is another one:
--cut here--
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index b5f20f1597ed..0aa833bb4842 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -1901,7 +1901,10 @@ dimode_scalar_chain::make_vector_copies (unsigned regno)
|| GET_CODE (src) == LSHIFTRT)
&& !CONST_INT_P (XEXP (src, 1))
&& reg_or_subregno (XEXP (src, 1)) == regno)
- XEXP (src, 1) = vreg;
+ {
+ XEXP (src, 0) = replace_with_subreg (XEXP (src, 0), reg, reg);
+ XEXP (src, 1) = vreg;
+ }
}
else
replace_with_subreg_in_insn (insn, reg, vreg);
--cut here--
