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

By using another register, reduce code size by one instruction

Signed-off-by: Graeme Russ graeme.russ@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! */