There was a patch to change GET_CODE(..) == CONST_INT to CONST_INT_P,
and in one instance this was done incorrectly, leaving only a plain
GET_CODE without any comparison. I've committed the following as
obvious after testing on x86_64-linux.
Bernd
* simplify-rtx.c (simplify_unary_operation_1): Use CONST_INT_P in
shift simplification where it was intended.
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 04af01e..bdbcc6b 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -867,7 +867,7 @@ simplify_unary_operation_1 (enum rtx_code code, enum machine_mode mode, rtx op)
so we can perform the above simplification. */
if (STORE_FLAG_VALUE == -1
&& GET_CODE (op) == ASHIFTRT
- && GET_CODE (XEXP (op, 1))
+ && CONST_INT_P (XEXP (op, 1))
&& INTVAL (XEXP (op, 1)) == GET_MODE_PRECISION (mode) - 1)
return simplify_gen_relational (GE, mode, VOIDmode,
XEXP (op, 0), const0_rtx);
