[PATCH v2 4/4] drivers/net: remove AVX2 build-time define

Bruce Richardson bruce.richardson at intel.com
Fri Mar 14 18:44:38 CET 2025


Since all supported compilers can generate AVX2 code, we will always
enable the build of the AVX2 files on x86. This means that
CC_AVX2_SUPPORT is always true on x86, so it can be removed and a
regular "#ifdef RTE_ARCH_x86" used in its place.

Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
---
 drivers/net/bnxt/bnxt_ethdev.c        | 2 --
 drivers/net/octeon_ep/meson.build     | 1 -
 drivers/net/octeon_ep/otx_ep_ethdev.c | 4 ----
 3 files changed, 7 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 144d4377bd..a318604c20 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -3238,8 +3238,6 @@ static const struct {
 #if defined(RTE_ARCH_X86)
 	{bnxt_crx_pkts_vec,		"Vector SSE"},
 	{bnxt_recv_pkts_vec,		"Vector SSE"},
-#endif
-#if defined(RTE_ARCH_X86) && defined(CC_AVX2_SUPPORT)
 	{bnxt_crx_pkts_vec_avx2,	"Vector AVX2"},
 	{bnxt_recv_pkts_vec_avx2,	"Vector AVX2"},
 #endif
diff --git a/drivers/net/octeon_ep/meson.build b/drivers/net/octeon_ep/meson.build
index 9bf4627894..a4a7663d1d 100644
--- a/drivers/net/octeon_ep/meson.build
+++ b/drivers/net/octeon_ep/meson.build
@@ -15,7 +15,6 @@ sources = files(
 
 if arch_subdir == 'x86'
     sources += files('cnxk_ep_rx_sse.c')
-    cflags += ['-DCC_AVX2_SUPPORT']
     sources_avx2 = files('cnxk_ep_rx_avx.c')
 endif
 
diff --git a/drivers/net/octeon_ep/otx_ep_ethdev.c b/drivers/net/octeon_ep/otx_ep_ethdev.c
index 8b14734b0c..10f2f8a2e0 100644
--- a/drivers/net/octeon_ep/otx_ep_ethdev.c
+++ b/drivers/net/octeon_ep/otx_ep_ethdev.c
@@ -91,11 +91,9 @@ otx_ep_set_rx_func(struct rte_eth_dev *eth_dev)
 		eth_dev->rx_pkt_burst = &cnxk_ep_recv_pkts;
 #ifdef RTE_ARCH_X86
 		eth_dev->rx_pkt_burst = &cnxk_ep_recv_pkts_sse;
-#ifdef CC_AVX2_SUPPORT
 		if (rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256 &&
 		    rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1)
 			eth_dev->rx_pkt_burst = &cnxk_ep_recv_pkts_avx;
-#endif
 #elif defined(RTE_ARCH_ARM64)
 		eth_dev->rx_pkt_burst = &cnxk_ep_recv_pkts_neon;
 #endif
@@ -105,11 +103,9 @@ otx_ep_set_rx_func(struct rte_eth_dev *eth_dev)
 		eth_dev->rx_pkt_burst = &cn9k_ep_recv_pkts;
 #ifdef RTE_ARCH_X86
 		eth_dev->rx_pkt_burst = &cn9k_ep_recv_pkts_sse;
-#ifdef CC_AVX2_SUPPORT
 		if (rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256 &&
 		    rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1)
 			eth_dev->rx_pkt_burst = &cn9k_ep_recv_pkts_avx;
-#endif
 #elif defined(RTE_ARCH_ARM64)
 		eth_dev->rx_pkt_burst = &cn9k_ep_recv_pkts_neon;
 #endif
-- 
2.43.0



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