ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm

   1 ///------------------------------------------------------------------------------
   2 //
   3 // Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4 //
   5 // SPDX-License-Identifier: BSD-2-Clause-Patent
   6 //
   7 //------------------------------------------------------------------------------
   8
   9
  10
  11
  12     INCLUDE AsmMacroExport.inc
  13
  14  RVCT_ASM_EXPORT __ARM_switch8
  15   LDRB    r12,[lr,#-1]
  16   CMP      r3,r12
  17   LDRBCC  r3,[lr,r3]
  18   LDRBCS  r3,[lr,r12]
  19   ADD      r12,lr,r3,LSL #1
  20   BX      r12
  21
  22     END