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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: dev@dpdk.org, Ferruh Yigit <ferruh.yigit@intel.com>,
 Bruce Richardson <bruce.richardson@intel.com>,
 Konstantin Ananyev <konstantin.ananyev@intel.com>
Date: Sat, 16 Dec 2017 01:48:28 +0000
Message-Id: <20171216014828.53694-1-ferruh.yigit@intel.com>
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Subject: [dpdk-dev] [PATCH v2] mk: add tuning for default machine type
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Wile keeping backward compatibility for default machine type, tune
binary for latest generation of cores to benefit more from them.

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
---

Cc: Bruce Richardson <bruce.richardson@intel.com>
Cc: Konstantin Ananyev <konstantin.ananyev@intel.com>

v2:
* prevent warning via clang:
  bin/sh: line 0: test: -ge: unary operator expected
---
 mk/machine/default/rte.vars.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mk/machine/default/rte.vars.mk b/mk/machine/default/rte.vars.mk
index 71a25bcae..914964302 100644
--- a/mk/machine/default/rte.vars.mk
+++ b/mk/machine/default/rte.vars.mk
@@ -56,3 +56,9 @@
 # CPU_ASFLAGS =
 
 MACHINE_CFLAGS += -march=corei7
+
+-include $(RTE_SDK)/mk/toolchain/$(RTE_TOOLCHAIN)/rte.toolchain-compat.mk
+
+ifeq ($(shell test -n "$(GCC_VERSION)" && test $(GCC_VERSION) -ge 49 && echo 1), 1)
+MACHINE_CFLAGS += -mtune=intel
+endif
-- 
2.14.3