[PATCH v3 4/8] crypto/cnxk: avoid branches in datapath

[Vidya Sagar Velumuri]

From: Anoob Joseph <ano...@marvell.com>

Avoid branches in datapath.

Signed-off-by: Anoob Joseph <ano...@marvell.com>
---
 drivers/crypto/cnxk/cn10k_ipsec_la_ops.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h 
b/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h
index a30b8e413d..4e95fbb6eb 100644
--- a/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h
+++ b/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h
@@ -73,12 +73,10 @@ process_outb_sa(struct roc_cpt_lf *lf, struct rte_crypto_op 
*cop, struct cn10k_s
        roc_cpt_lf_ctx_reload(lf, &sess->sa.out_sa);
        rte_delay_ms(1);
 #endif
+       const uint64_t ol_flags = m_src->ol_flags;
 
-       if (m_src->ol_flags & RTE_MBUF_F_TX_IP_CKSUM)
-               inst_w4_u64 &= ~BIT_ULL(33);
-
-       if (m_src->ol_flags & RTE_MBUF_F_TX_L4_MASK)
-               inst_w4_u64 &= ~BIT_ULL(32);
+       inst_w4_u64 &= ~(((uint64_t)(!!(ol_flags & RTE_MBUF_F_TX_IP_CKSUM)) << 
33) |
+                        ((uint64_t)(!!(ol_flags & RTE_MBUF_F_TX_L4_MASK)) << 
32));
 
        if (likely(m_src->next == NULL)) {
                if (unlikely(rte_pktmbuf_tailroom(m_src) < 
sess->max_extended_len)) {
-- 
2.25.1