A prefix of integer type is big-endian in nature. Prefix match can be
optimized to truncated 'cmp' only if it is big-endian.
Signed-off-by: Xiao Liang <shaw.leon@xxxxxxxxx>
---
src/netlink_linearize.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/netlink_linearize.c b/src/netlink_linearize.c
index eb53ccec..454b9ba3 100644
--- a/src/netlink_linearize.c
+++ b/src/netlink_linearize.c
@@ -548,7 +548,8 @@ static void netlink_gen_relational(struct netlink_linearize_ctx *ctx,
case EXPR_PREFIX:
sreg = get_register(ctx, expr->left);
if (expr_basetype(expr->left)->type != TYPE_STRING &&
- (!expr->right->prefix_len ||
+ (expr->right->byteorder != BYTEORDER_BIG_ENDIAN ||
+ !expr->right->prefix_len ||
expr->right->prefix_len % BITS_PER_BYTE)) {
len = div_round_up(expr->right->len, BITS_PER_BYTE);
netlink_gen_expr(ctx, expr->left, sreg);
--
2.33.0
