https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93997
--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #1)
> Probably we have to reject TImode in case of 32bit targets from the expander.
Like this:
--cut here--
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 6c57500ae8ec..8e29dffafa6e 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -2778,7 +2778,7 @@
{
gcc_assert (SUBREG_P (operands[0]));
if ((TARGET_PARTIAL_REG_STALL && optimize_function_for_speed_p (cfun))
- || GET_MODE_CLASS (GET_MODE (SUBREG_REG (operands[0]))) != MODE_INT)
+ || !VALID_INT_MODE_P (GET_MODE (SUBREG_REG (operands[0]))))
FAIL;
})
--cut here--
