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From: Jan Viktorin <viktorin@rehivetech.com>
To: dev@dpdk.org, David Hunt <david.hunt@intel.com>,
	David Marchand <david.marchand@6wind.com>,
	"Ananyev, Konstantin" <konstantin.ananyev@intel.com>
Subject: [dpdk-dev] [PATCH v3 09/17] eal/arm: use vector memcpy only when NEON is enabled
Date: Tue, 27 Oct 2015 20:13:41 +0100	[thread overview]
Message-ID: <1445973229-22058-10-git-send-email-viktorin@rehivetech.com> (raw)
In-Reply-To: <1445973229-22058-1-git-send-email-viktorin@rehivetech.com>

The GCC can be configured to avoid using NEON extensions.
For that purpose, we provide just the memcpy implementation
of the rte_memcpy.

Based on the patch by David Hunt and Armuta Zende:

  lib: added support for armv7 architecture

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Amruta Zende <amruta.zende@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
---
 .../common/include/arch/arm/rte_memcpy.h           | 59 +++++++++++++++++++++-
 1 file changed, 57 insertions(+), 2 deletions(-)

diff --git a/lib/librte_eal/common/include/arch/arm/rte_memcpy.h b/lib/librte_eal/common/include/arch/arm/rte_memcpy.h
index ac885e9..75e8bda 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_memcpy.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_memcpy.h
@@ -35,8 +35,6 @@
 
 #include <stdint.h>
 #include <string.h>
-/* ARM NEON Intrinsics are used to copy data */
-#include <arm_neon.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -44,6 +42,11 @@ extern "C" {
 
 #include "generic/rte_memcpy.h"
 
+#ifdef __ARM_NEON_FP
+
+/* ARM NEON Intrinsics are used to copy data */
+#include <arm_neon.h>
+
 static inline void
 rte_mov16(uint8_t *dst, const uint8_t *src)
 {
@@ -263,6 +266,58 @@ rte_memcpy_func(void *dst, const void *src, size_t n)
 	return ret;
 }
 
+#else
+
+static inline void
+rte_mov16(uint8_t *dst, const uint8_t *src)
+{
+	memcpy(dst, src, 16);
+}
+
+static inline void
+rte_mov32(uint8_t *dst, const uint8_t *src)
+{
+	memcpy(dst, src, 32);
+}
+
+static inline void
+rte_mov48(uint8_t *dst, const uint8_t *src)
+{
+	memcpy(dst, src, 48);
+}
+
+static inline void
+rte_mov64(uint8_t *dst, const uint8_t *src)
+{
+	memcpy(dst, src, 64);
+}
+
+static inline void
+rte_mov128(uint8_t *dst, const uint8_t *src)
+{
+	memcpy(dst, src, 128);
+}
+
+static inline void
+rte_mov256(uint8_t *dst, const uint8_t *src)
+{
+	memcpy(dst, src, 256);
+}
+
+static inline void *
+rte_memcpy(void *dst, const void *src, size_t n)
+{
+	return memcpy(dst, src, n);
+}
+
+static inline void *
+rte_memcpy_func(void *dst, const void *src, size_t n)
+{
+	return memcpy(dst, src, n);
+}
+
+#endif /* __ARM_NEON_FP */
+
 #ifdef __cplusplus
 }
 #endif
-- 
2.6.1

  parent reply	other threads:[~2015-10-27 19:16 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-26 16:37 [dpdk-dev] [PATCH v2 00/16] Support ARMv7 architecture Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 01/16] mk: Introduce " Jan Viktorin
2015-10-28 13:34   ` David Marchand
2015-10-28 17:32     ` Jan Viktorin
2015-10-28 17:36       ` Richardson, Bruce
2015-10-28 13:39   ` David Marchand
2015-10-28 17:32     ` Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 02/16] eal/arm: atomic operations for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 03/16] eal/arm: byte order " Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 04/16] eal/arm: cpu cycle " Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 05/16] eal/arm: implement rdtsc by PMU or clock_gettime Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 06/16] eal/arm: prefetch operations for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 07/16] eal/arm: spinlock operations for ARM (without HTM) Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 08/16] eal/arm: vector memcpy for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 09/16] eal/arm: use vector memcpy only when NEON is enabled Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 10/16] eal/arm: cpu flag checks for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 11/16] eal/arm: detect arm architecture in cpu flags Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 12/16] eal/arm: rwlock support for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 13/16] gcc/arm: avoid alignment errors to break build Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 14/16] maintainers: claim responsibility for ARMv7 Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 15/16] lpm/arm: implement rte_lpm_lookupx4 using rte_lpm_lookup_bulk on for-x86 Jan Viktorin
2015-10-27 15:31   ` Ananyev, Konstantin
2015-10-27 15:38     ` Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 16/16] acl: check for SSE 4.1 support Jan Viktorin
2015-10-27 15:55   ` Ananyev, Konstantin
2015-10-27 17:10     ` Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 00/17] Support ARMv7 architecture Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 01/17] mk: Introduce " Jan Viktorin
2015-10-28 10:09     ` David Marchand
2015-10-28 10:56       ` Jan Viktorin
2015-10-28 13:40         ` David Marchand
2015-10-28 13:44         ` Hunt, David
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 02/17] eal/arm: atomic operations for ARM Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 03/17] eal/arm: byte order " Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 04/17] eal/arm: cpu cycle " Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 05/17] eal/arm: implement rdtsc by PMU or clock_gettime Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 06/17] eal/arm: prefetch operations for ARM Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 07/17] eal/arm: spinlock operations for ARM (without HTM) Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 08/17] eal/arm: vector memcpy for ARM Jan Viktorin
2015-10-27 19:13   ` Jan Viktorin [this message]
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 10/17] eal/arm: cpu flag checks " Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 11/17] eal/arm: detect arm architecture in cpu flags Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 12/17] eal/arm: rwlock support for ARM Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 13/17] gcc/arm: avoid alignment errors to break build Jan Viktorin
2015-10-28 12:16     ` David Marchand
2015-10-28 17:34       ` Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 14/17] maintainers: claim responsibility for ARMv7 Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 15/17] eal/arm: add very incomplete rte_vect Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 16/17] lpm/arm: implement rte_lpm_lookupx4 using rte_lpm_lookup_bulk for non-x86 Jan Viktorin
2015-10-27 19:13   ` [dpdk-dev] [PATCH v3 17/17] acl: handle when SSE 4.1 is unsupported Jan Viktorin
2015-10-28 14:54   ` [dpdk-dev] [PATCH v3 00/17] Support ARMv7 architecture David Marchand
2015-10-28 17:38     ` Jan Viktorin
2015-10-28 17:58       ` David Marchand
2015-10-29 14:02         ` Thomas Monjalon
2015-10-29 14:09           ` Jan Viktorin
2015-10-29 15:02             ` Thomas Monjalon
2015-10-29 12:43   ` [dpdk-dev] [PATCH v4 00/15] " Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 01/15] eal/arm: atomic operations for ARM Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 02/15] eal/arm: byte order " Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 03/15] eal/arm: cpu cycle " Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 04/15] eal/arm: implement rdtsc by PMU or clock_gettime Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 05/15] eal/arm: prefetch operations for ARM Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 06/15] eal/arm: spinlock operations for ARM (without HTM) Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 07/15] eal/arm: vector memcpy for ARM Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 08/15] eal/arm: use vector memcpy only when NEON is enabled Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 09/15] eal/arm: cpu flag checks for ARM Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 10/15] eal/arm: detect arm architecture in cpu flags Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 11/15] eal/arm: rwlock support for ARM Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 12/15] eal/arm: add very incomplete rte_vect Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 13/15] gcc/arm: avoid alignment errors to break build Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 14/15] mk: Introduce ARMv7 architecture Jan Viktorin
2015-10-29 12:43     ` [dpdk-dev] [PATCH v4 15/15] maintainers: claim responsibility for ARMv7 Jan Viktorin

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