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From: Michael Qiu <michael.qiu@intel.com>
To: dev@dpdk.org
Date: Thu, 26 Nov 2015 18:49:57 +0800
Message-Id: <1448534997-24297-1-git-send-email-michael.qiu@intel.com>
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Subject: [dpdk-dev] [PATCH] lib/librte_sched: Fix compile with gcc 4.3.4
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gcc 4.3.4 does not include "immintrin.h", and will post below error:
lib/librte_sched/rte_sched.c:56:23: error:
immintrin.h: No such file or directory
To avoid this issue, a gcc version check is need and a flag to indicate
vector ablility.
Signed-off-by: Michael Qiu <michael.qiu@intel.com>
---
lib/librte_sched/rte_sched.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index d47cfc2..780b314 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -53,7 +53,21 @@
#endif
#ifdef RTE_SCHED_VECTOR
+
+#if (defined(__ICC) || (__GNUC__ == 4 && __GNUC_MINOR__ < 4))
+
+#if defined(__AVX__)
#include <immintrin.h>
+#define SCHED_VECTOR_ENABLE
+#endif
+
+#else
+
+#include <x86intrin.h>
+#define SCHED_VECTOR_ENABLE
+
+#endif
+
#endif
#define RTE_SCHED_TB_RATE_CONFIG_ERR (1e-7)
@@ -1667,7 +1681,7 @@ grinder_schedule(struct rte_sched_port *port, uint32_t pos)
return 1;
}
-#ifdef RTE_SCHED_VECTOR
+#ifdef SCHED_VECTOR_ENABLE
static inline int
grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
--
1.9.3