audk/ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm

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//------------------------------------------------------------------------------
//
// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
//
// SPDX-License-Identifier: BSD-2-Clause-Patent
//
//------------------------------------------------------------------------------
INCLUDE AsmMacroExport.inc
;
;VOID
;EFIAPI
;__aeabi_llsl (
; IN VOID *Destination,
; IN VOID *Source,
; IN UINT32 Size
; );
;
RVCT_ASM_EXPORT __aeabi_llsl
SUBS r3,r2,#0x20
BPL {pc} + 0x18 ; 0x1c
RSB r3,r2,#0x20
LSL r1,r1,r2
ORR r1,r1,r0,LSR r3
LSL r0,r0,r2
BX lr
LSL r1,r0,r3
MOV r0,#0
BX lr
END