linuxdebug/arch/arm/lib/ucmpdi2.S

51 lines
648 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/lib/ucmpdi2.S
*
* Author: Nicolas Pitre
* Created: Oct 19, 2005
* Copyright: Monta Vista Software, Inc.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#ifdef __ARMEB__
#define xh r0
#define xl r1
#define yh r2
#define yl r3
#else
#define xl r0
#define xh r1
#define yl r2
#define yh r3
#endif
ENTRY(__ucmpdi2)
cmp xh, yh
cmpeq xl, yl
movlo r0, #0
moveq r0, #1
movhi r0, #2
ret lr
ENDPROC(__ucmpdi2)
#ifdef CONFIG_AEABI
ENTRY(__aeabi_ulcmp)
cmp xh, yh
cmpeq xl, yl
movlo r0, #-1
moveq r0, #0
movhi r0, #1
ret lr
ENDPROC(__aeabi_ulcmp)
#endif