From: arighi <arighi@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Thu, 30 Sep 2010 14:15:15 +0000 (+0000)
Subject: compiler: introduce ALIGNED macro
X-Git-Tag: 2.6.0~14
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=48586b4fc3e575029a88ab37930c8a0e723ca99d;p=bertos.git

compiler: introduce ALIGNED macro

Add a macro to specify the minimum alignment (in bytes) during a
variable declaration.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4387 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/bertos/cfg/compiler.h b/bertos/cfg/compiler.h
index 843af838..0121b963 100644
--- a/bertos/cfg/compiler.h
+++ b/bertos/cfg/compiler.h
@@ -209,6 +209,7 @@
 	#define RESTRICT                __restrict__
 	#define MUST_CHECK              __attribute__((warn_unused_result))
 	#define PACKED                  __attribute__((packed))
+	#define ALIGNED(x)              __attribute__ ((__aligned__(x)))
 	#if CPU_ARM | CPU_CM3
 		#define NAKED		__attribute__((naked))
 	#else
@@ -360,6 +361,9 @@
 #ifndef PACKED
 #define PACKED                 /* nothing */
 #endif
+#ifndef ALIGNED
+#define ALIGNED                /* nothing */
+#endif
 #ifndef MEMORY_BARRIER
 #define MEMORY_BARRIER         /* nothing */
 #warning No memory barrier defined for select compiler. If you use the kernel check it.