aboutsummaryrefslogtreecommitdiff
path: root/gcc/combine.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/combine.c')
-rw-r--r--gcc/combine.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c
index a32a0ec..a8dae89 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -11251,6 +11251,7 @@ change_zero_ext (rtx pat)
else if (GET_CODE (x) == ZERO_EXTEND
&& SCALAR_INT_MODE_P (mode)
&& GET_CODE (XEXP (x, 0)) == SUBREG
+ && SCALAR_INT_MODE_P (GET_MODE (SUBREG_REG (XEXP (x, 0))))
&& !paradoxical_subreg_p (XEXP (x, 0))
&& subreg_lowpart_p (XEXP (x, 0)))
{