[dpdk-dev] [PATCH 1/3] arm: ret_vector.h improvements

Jerin Jacob jerin.jacob at caviumnetworks.com
Mon Nov 2 15:18:39 CET 2015


added the definition of rte_xmm and xmm_t for acl noen implementation
removed the emulated _mm_* functions

Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 lib/librte_eal/common/include/arch/arm/rte_vect.h | 58 +++++++----------------
 1 file changed, 17 insertions(+), 41 deletions(-)

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 7d5de97..21cdb4d 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_vect.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_vect.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2015 RehiveTech. All rights reserved.
+ *   Copyright(c) 2015 Cavium Networks. All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
@@ -13,7 +13,7 @@
  *       notice, this list of conditions and the following disclaimer in
  *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of RehiveTech nor the names of its
+ *     * Neither the name of Cavium Networks nor the names of its
  *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
  *
@@ -33,49 +33,25 @@
 #ifndef _RTE_VECT_ARM_H_
 #define _RTE_VECT_ARM_H_
 
+#include "arm_neon.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#define XMM_SIZE 16
-#define XMM_MASK (XMM_MASK - 1)
-
-typedef struct {
-	union uint128 {
-		uint8_t uint8[16];
-		uint32_t uint32[4];
-	} val;
-} __m128i;
-
-static inline __m128i
-_mm_set_epi32(uint32_t v0, uint32_t v1, uint32_t v2, uint32_t v3)
-{
-	__m128i res;
-
-	res.val.uint32[0] = v0;
-	res.val.uint32[1] = v1;
-	res.val.uint32[2] = v2;
-	res.val.uint32[3] = v3;
-	return res;
-}
-
-static inline __m128i
-_mm_loadu_si128(__m128i *v)
-{
-	__m128i res;
-
-	res = *v;
-	return res;
-}
-
-static inline __m128i
-_mm_load_si128(__m128i *v)
-{
-	__m128i res;
-
-	res = *v;
-	return res;
-}
+typedef int32x4_t xmm_t;
+
+#define	XMM_SIZE	(sizeof(xmm_t))
+#define	XMM_MASK	(XMM_SIZE - 1)
+
+typedef union rte_xmm {
+	xmm_t    x;
+	uint8_t  u8[XMM_SIZE / sizeof(uint8_t)];
+	uint16_t u16[XMM_SIZE / sizeof(uint16_t)];
+	uint32_t u32[XMM_SIZE / sizeof(uint32_t)];
+	uint64_t u64[XMM_SIZE / sizeof(uint64_t)];
+	double   pd[XMM_SIZE / sizeof(double)];
+} __attribute__((aligned(16))) rte_xmm_t;
 
 #ifdef __cplusplus
 }
-- 
2.1.0



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