From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 2DDE5D2B6 for ; Fri, 24 Mar 2017 18:11:38 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP; 24 Mar 2017 10:11:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,215,1486454400"; d="scan'208";a="1146577098" Received: from sivswdev01.ir.intel.com ([10.237.217.45]) by fmsmga002.fm.intel.com with ESMTP; 24 Mar 2017 10:11:35 -0700 From: Bruce Richardson To: olivier.matz@6wind.com Cc: dev@dpdk.org, jerin.jacob@caviumnetworks.com, thomas.monjalon@6wind.com, Bruce Richardson Date: Fri, 24 Mar 2017 17:10:05 +0000 Message-Id: <20170324171008.29355-12-bruce.richardson@intel.com> X-Mailer: git-send-email 2.8.4 In-Reply-To: <20170324171008.29355-1-bruce.richardson@intel.com> References: <20170307113217.11077-1-bruce.richardson@intel.com> <20170324171008.29355-1-bruce.richardson@intel.com> Subject: [dpdk-dev] [PATCH v3 11/14] ring: reduce scope of local variables X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Mar 2017 17:11:38 -0000 The local variable i is only used for loop control so define it in the enqueue and dequeue blocks directly, rather than at the function level. Signed-off-by: Bruce Richardson Acked-by: Olivier Matz --- lib/librte_ring/rte_ring.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h index b05fecb..e801510 100644 --- a/lib/librte_ring/rte_ring.h +++ b/lib/librte_ring/rte_ring.h @@ -285,6 +285,7 @@ void rte_ring_dump(FILE *f, const struct rte_ring *r); * Placed here since identical code needed in both * single and multi producer enqueue functions */ #define ENQUEUE_PTRS() do { \ + unsigned int i; \ const uint32_t size = r->size; \ uint32_t idx = prod_head & mask; \ if (likely(idx + n < size)) { \ @@ -311,6 +312,7 @@ void rte_ring_dump(FILE *f, const struct rte_ring *r); * Placed here since identical code needed in both * single and multi consumer dequeue functions */ #define DEQUEUE_PTRS() do { \ + unsigned int i; \ uint32_t idx = cons_head & mask; \ const uint32_t size = r->size; \ if (likely(idx + n < size)) { \ @@ -361,7 +363,6 @@ __rte_ring_mp_do_enqueue(struct rte_ring *r, void * const *obj_table, uint32_t cons_tail, free_entries; const unsigned int max = n; int success; - unsigned int i; uint32_t mask = r->mask; /* move prod.head atomically */ @@ -431,7 +432,6 @@ __rte_ring_sp_do_enqueue(struct rte_ring *r, void * const *obj_table, { uint32_t prod_head, cons_tail; uint32_t prod_next, free_entries; - unsigned int i; uint32_t mask = r->mask; prod_head = r->prod.head; @@ -495,7 +495,6 @@ __rte_ring_mc_do_dequeue(struct rte_ring *r, void **obj_table, uint32_t cons_next, entries; const unsigned max = n; int success; - unsigned int i; uint32_t mask = r->mask; /* move cons.head atomically */ @@ -566,7 +565,6 @@ __rte_ring_sc_do_dequeue(struct rte_ring *r, void **obj_table, { uint32_t cons_head, prod_tail; uint32_t cons_next, entries; - unsigned int i; uint32_t mask = r->mask; cons_head = r->cons.head; -- 2.9.3