u-boot/arch/arm/lib/lshrdi3.S

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ArmAsm
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/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
Free Software Foundation, Inc.
* SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#ifdef __ARMEB__
#define al r1
#define ah r0
#else
#define al r0
#define ah r1
#endif
.pushsection .text.__lshldi3, "ax"
ENTRY(__lshrdi3)
ENTRY(__aeabi_llsr)
subs r3, r2, #32
rsb ip, r2, #32
movmi al, al, lsr r2
movpl al, ah, lsr r3
ARM( orrmi al, al, ah, lsl ip )
THUMB( lslmi r3, ah, ip )
THUMB( orrmi al, al, r3 )
mov ah, ah, lsr r2
ret lr
ENDPROC(__lshrdi3)
ENDPROC(__aeabi_llsr)
.popsection