ArmPkg/CompilerIntrinsicsLib: switch to ASM_FUNC() asm macro

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / Arm / ashrdi3.S

#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
#\r
# This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution.  The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php\r
#\r
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#\r
#------------------------------------------------------------------------------\r
\r
#include <AsmMacroIoLib.h>\r
\r
ASM_FUNC(__ashrdi3)\r
  cmp  r2, #31\r
  bls  L2\r
  cmp  r2, #63\r
  subls  r2, r2, #32\r
  mov  ip, r1, asr #31\r
  movls  r2, r1, asr r2\r
  movhi  r2, ip\r
  mov  r0, r2\r
  mov  r1, ip\r
  bx  lr\r
L2:\r
  cmp  r2, #0\r
  rsbne  r3, r2, #32\r
  movne  r3, r1, asl r3\r
  movne  r1, r1, asr r2\r
  orrne  r0, r3, r0, lsr r2\r
  bx  lr\r