aboutsummaryrefslogtreecommitdiff
path: root/gcc/expr.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/expr.c')
-rw-r--r--gcc/expr.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index e63ed3b..2e716cc 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -8600,8 +8600,9 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
if (modifier == EXPAND_STACK_PARM)
target = 0;
/* In case we have to reduce the result to bitfield precision
- expand this as XOR with a proper constant instead. */
- if (reduce_bit_field)
+ for unsigned bitfield expand this as XOR with a proper constant
+ instead. */
+ if (reduce_bit_field && TYPE_UNSIGNED (type))
temp = expand_binop (mode, xor_optab, op0,
immed_double_int_const
(double_int_mask (TYPE_PRECISION (type)), mode),