From: arighi <arighi@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Thu, 13 May 2010 13:59:10 +0000 (+0000)
Subject: ARM7TDMI: simplify IRQ_SAVE_DISABLE().
X-Git-Tag: 2.5.0~237
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=d2961e1bd3def26dc0bb0b38b493af69e4b1ceca;p=bertos.git

ARM7TDMI: simplify IRQ_SAVE_DISABLE().

The temporary register moved to cpsr (to disable interrupts) can be
simply declared using a "register" variable.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3680 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/bertos/cpu/irq.h b/bertos/cpu/irq.h
index 60acce21..f4cd21ee 100644
--- a/bertos/cpu/irq.h
+++ b/bertos/cpu/irq.h
@@ -261,8 +261,7 @@
 
 		#define IRQ_SAVE_DISABLE(x)				\
 		do {							\
-			cpu_flags_t sreg;				\
-			(void) (&sreg == &x);				\
+			register cpu_flags_t sreg;			\
 			asm volatile (					\
 				"mrs %0, cpsr\n\t"			\
 				"orr %1, %0, #0xc0\n\t"			\