[dpdk-dev] [PATCH v3 1/4] arm: remove CONFIG_RTE_ARCH_ARM_NEON

Jan Viktorin viktorin at rehivetech.com
Sat Mar 19 20:58:02 CET 2016


ARMv7 machines have usually the NEON available. Customization of the -mfpu=neon
must be done by hand or by defining another machine rte.vars.mk. So, the
CONFIG_RTE_ARCH_ARM_NEON is useless (and confusing).

Signed-off-by: Jan Viktorin <viktorin at rehivetech.com>
---
 config/defconfig_arm-armv7a-linuxapp-gcc   | 1 -
 config/defconfig_arm64-armv8a-linuxapp-gcc | 1 -
 mk/machine/armv7a/rte.vars.mk              | 2 --
 3 files changed, 4 deletions(-)

diff --git a/config/defconfig_arm-armv7a-linuxapp-gcc b/config/defconfig_arm-armv7a-linuxapp-gcc
index b007ca7..96c3343 100644
--- a/config/defconfig_arm-armv7a-linuxapp-gcc
+++ b/config/defconfig_arm-armv7a-linuxapp-gcc
@@ -36,7 +36,6 @@ CONFIG_RTE_ARCH="arm"
 CONFIG_RTE_ARCH_ARM=y
 CONFIG_RTE_ARCH_ARMv7=y
 CONFIG_RTE_ARCH_ARM_TUNE="cortex-a9"
-CONFIG_RTE_ARCH_ARM_NEON=y
 
 CONFIG_RTE_FORCE_INTRINSICS=y
 CONFIG_RTE_ARCH_STRICT_ALIGN=y
diff --git a/config/defconfig_arm64-armv8a-linuxapp-gcc b/config/defconfig_arm64-armv8a-linuxapp-gcc
index b0b17cf..9abeca4 100644
--- a/config/defconfig_arm64-armv8a-linuxapp-gcc
+++ b/config/defconfig_arm64-armv8a-linuxapp-gcc
@@ -36,7 +36,6 @@ CONFIG_RTE_MACHINE="armv8a"
 CONFIG_RTE_ARCH="arm64"
 CONFIG_RTE_ARCH_ARM64=y
 CONFIG_RTE_ARCH_64=y
-CONFIG_RTE_ARCH_ARM_NEON=y
 
 CONFIG_RTE_FORCE_INTRINSICS=y
 
diff --git a/mk/machine/armv7a/rte.vars.mk b/mk/machine/armv7a/rte.vars.mk
index 48d3979..abdb15e 100644
--- a/mk/machine/armv7a/rte.vars.mk
+++ b/mk/machine/armv7a/rte.vars.mk
@@ -62,6 +62,4 @@ ifdef CONFIG_RTE_ARCH_ARM_TUNE
 MACHINE_CFLAGS += -mtune=$(CONFIG_RTE_ARCH_ARM_TUNE)
 endif
 
-ifeq ($(CONFIG_RTE_ARCH_ARM_NEON),y)
 MACHINE_CFLAGS += -mfpu=neon
-endif
-- 
2.7.0



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