[U-Boot] [PATCH 13/19] x86: Dont clobber %eax after getting memory size

[Graeme Russ]

By using another register, reduce code size by one instruction

Signed-off-by: Graeme Russ <graeme.russ at gmail.com>
---
 arch/i386/cpu/start.S |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/i386/cpu/start.S b/arch/i386/cpu/start.S
index 247b120..045b51e 100644
--- a/arch/i386/cpu/start.S
+++ b/arch/i386/cpu/start.S
@@ -114,8 +114,8 @@ mem_ok:
 
 	/* Test the stack */
 	pushl	$0
-	popl	%eax
-	cmpl	$0, %eax
+	popl	%ecx
+	cmpl	$0, %ecx
 	jne	die
 	push	$0x55aa55aa
 	popl	%ecx
@@ -125,7 +125,6 @@ mem_ok:
 	wbinvd
 
 	/* Set the upper memory limit parameter */
-	movl	%esp, %eax
 	subl	$CONFIG_SYS_STACK_SIZE, %eax
 
 	call	board_init_f	/* Enter, U-boot! */
-- 
1.7.1.422.g049e9