From: Jianbo Liu <jianbo.liu@linaro.org>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH 2/4] eal/acl: enable acl for armv7-a
Date: Tue, 1 Dec 2015 13:41:14 -0500 [thread overview]
Message-ID: <1448995276-9599-3-git-send-email-jianbo.liu@linaro.org> (raw)
In-Reply-To: <1448995276-9599-1-git-send-email-jianbo.liu@linaro.org>
Implement vqtbl1q_u8 intrinsic function, which is not support in armv7-a.
Signed-off-by: Jianbo Liu <jianbo.liu@linaro.org>
---
config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
lib/librte_acl/Makefile | 2 +-
lib/librte_acl/rte_acl.c | 2 +-
lib/librte_eal/common/include/arch/arm/rte_vect.h | 23 +++++++++++++++++++++++
4 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/config/defconfig_arm-armv7a-linuxapp-gcc b/config/defconfig_arm-armv7a-linuxapp-gcc
index 9924ff9..cbebd64 100644
--- a/config/defconfig_arm-armv7a-linuxapp-gcc
+++ b/config/defconfig_arm-armv7a-linuxapp-gcc
@@ -53,7 +53,6 @@ CONFIG_RTE_LIBRTE_KNI=n
CONFIG_RTE_EAL_IGB_UIO=n
# fails to compile on ARM
-CONFIG_RTE_LIBRTE_ACL=n
CONFIG_RTE_LIBRTE_LPM=n
CONFIG_RTE_LIBRTE_TABLE=n
CONFIG_RTE_LIBRTE_PIPELINE=n
diff --git a/lib/librte_acl/Makefile b/lib/librte_acl/Makefile
index 897237d..2e394c9 100644
--- a/lib/librte_acl/Makefile
+++ b/lib/librte_acl/Makefile
@@ -49,7 +49,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_ACL) += acl_bld.c
SRCS-$(CONFIG_RTE_LIBRTE_ACL) += acl_gen.c
SRCS-$(CONFIG_RTE_LIBRTE_ACL) += acl_run_scalar.c
-ifeq ($(CONFIG_RTE_ARCH_ARM64),y)
+ifneq ($(filter y,$(CONFIG_RTE_ARCH_ARM) $(CONFIG_RTE_ARCH_ARM64)),)
SRCS-$(CONFIG_RTE_LIBRTE_ACL) += acl_run_neon.c
CFLAGS_acl_run_neon.o += -flax-vector-conversions -Wno-maybe-uninitialized
else
diff --git a/lib/librte_acl/rte_acl.c b/lib/librte_acl/rte_acl.c
index e2fdebd..339aace 100644
--- a/lib/librte_acl/rte_acl.c
+++ b/lib/librte_acl/rte_acl.c
@@ -114,7 +114,7 @@ rte_acl_init(void)
{
enum rte_acl_classify_alg alg = RTE_ACL_CLASSIFY_DEFAULT;
-#ifdef RTE_ARCH_ARM64
+#if defined(RTE_ARCH_ARM) || defined(RTE_ARCH_ARM64)
alg = RTE_ACL_CLASSIFY_NEON;
#else
#ifdef CC_AVX2_SUPPORT
diff --git a/lib/librte_eal/common/include/arch/arm/rte_vect.h b/lib/librte_eal/common/include/arch/arm/rte_vect.h
index 21cdb4d..a33c054 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_vect.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_vect.h
@@ -53,6 +53,29 @@ typedef union rte_xmm {
double pd[XMM_SIZE / sizeof(double)];
} __attribute__((aligned(16))) rte_xmm_t;
+#ifdef RTE_ARCH_ARM
+/* NEON intrinsic vqtbl1q_u8() is not supported in ARMv7-A(AArch32) */
+static __inline uint8x16_t
+vqtbl1q_u8(uint8x16_t a, uint8x16_t b)
+{
+ uint8_t i, pos;
+ rte_xmm_t rte_a, rte_b, rte_ret;
+
+ vst1q_u8(rte_a.u8, a);
+ vst1q_u8(rte_b.u8, b);
+
+ for (i = 0; i < 16; i++) {
+ pos = rte_b.u8[i];
+ if (pos < 16)
+ rte_ret.u8[i] = rte_a.u8[pos];
+ else
+ rte_ret.u8[i] = 0;
+ }
+
+ return vld1q_u8(rte_ret.u8);
+}
+#endif
+
#ifdef __cplusplus
}
#endif
--
1.8.3.1
next prev parent reply other threads:[~2015-12-01 10:41 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-01 18:41 [dpdk-dev] [PATCH 0/4] support acl/lpm/table/pipeline libs for armv7 and armv8 Jianbo Liu
2015-12-01 12:47 ` Jan Viktorin
2015-12-01 20:56 ` Jianbo Liu
2015-12-01 18:41 ` [dpdk-dev] [PATCH 1/4] eal/arm: use RTE_ARM_EAL_RDTSC_USE_PMU in rte_cycle_32.h Jianbo Liu
2015-12-01 12:41 ` Jan Viktorin
2015-12-01 12:43 ` Jan Viktorin
2015-12-01 18:41 ` Jianbo Liu [this message]
2015-12-01 14:43 ` [dpdk-dev] [PATCH 2/4] eal/acl: enable acl for armv7-a Jerin Jacob
2015-12-01 14:46 ` Jan Viktorin
2015-12-02 6:14 ` Jianbo Liu
2015-12-01 18:41 ` [dpdk-dev] [PATCH 3/4] eal/arm: Enable lpm/table/pipeline libs Jianbo Liu
2015-12-01 16:41 ` Jerin Jacob
2015-12-01 17:02 ` Jan Viktorin
2015-12-02 7:02 ` Jianbo Liu
[not found] ` <CAP4Qi3-5ofDU-2-4KsxFzMC1OpTsc5WjmxcFT2Eu_URA0UBzDw@mail.gmail.com>
2015-12-02 8:03 ` Jerin Jacob
2015-12-02 9:49 ` Jianbo Liu
2015-12-02 10:33 ` Ananyev, Konstantin
2015-12-02 10:48 ` Jerin Jacob
2015-12-02 13:06 ` Jan Viktorin
2015-12-02 10:39 ` Jerin Jacob
2015-12-02 13:05 ` Jan Viktorin
2015-12-02 13:13 ` Jianbo Liu
2015-12-02 14:34 ` Jerin Jacob
2015-12-02 16:40 ` Thomas Monjalon
2015-12-02 16:53 ` Jerin Jacob
2015-12-02 16:57 ` Thomas Monjalon
2015-12-02 17:38 ` Jerin Jacob
2015-12-03 9:33 ` Jerin Jacob
2015-12-03 11:02 ` Ananyev, Konstantin
2015-12-03 12:17 ` Jerin Jacob
2015-12-03 12:42 ` Ananyev, Konstantin
2015-12-03 13:20 ` Jerin Jacob
2015-12-01 18:41 ` [dpdk-dev] [PATCH 4/4] maintainers: claim resposibility for ARMv7 and ARMv8 Jianbo Liu
2015-12-01 16:44 ` Jerin Jacob
2015-12-03 15:02 ` [dpdk-dev] [PATCH v2 0/3] support acl lib for armv7-a and a small fix Jianbo Liu
2015-12-03 15:02 ` [dpdk-dev] [PATCH v2 1/3] eal/arm: use RTE_ARM_EAL_RDTSC_USE_PMU in rte_cycle_32.h Jianbo Liu
2015-12-08 1:13 ` Thomas Monjalon
2015-12-03 15:02 ` [dpdk-dev] [PATCH v2 2/3] eal/acl: enable acl for armv7-a Jianbo Liu
2015-12-03 15:13 ` Jerin Jacob
2015-12-08 1:18 ` Thomas Monjalon
2015-12-08 1:50 ` Jianbo Liu
2015-12-08 2:23 ` Thomas Monjalon
2015-12-08 7:56 ` Jianbo Liu
2015-12-08 10:03 ` Thomas Monjalon
2015-12-08 10:21 ` Jianbo Liu
2015-12-08 10:38 ` Thomas Monjalon
2015-12-08 11:27 ` Jan Viktorin
2015-12-08 10:25 ` Jan Viktorin
2015-12-03 15:02 ` [dpdk-dev] [PATCH v2 3/3] maintainers: claim resposibility for ARMv7 and ARMv8 Jianbo Liu
2015-12-08 1:24 ` [dpdk-dev] [PATCH v2 0/3] support acl lib for armv7-a and a small fix Thomas Monjalon
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