ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4 #
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13 #------------------------------------------------------------------------------
  14
  15 \s\s.text
  16 \s\s.align 2
  17 \s\sGCC_ASM_EXPORT(__ashldi3)
  18 \s\s
  19 ASM_PFX(__ashldi3):
  20 \s\scmp\s\sr2, #31
  21 \s\sbls\s\sL2
  22 \s\scmp\s\sr2, #63
  23 \s\ssubls\s\sr2, r2, #32
  24 \s\smovls\s\sr2, r0, asl r2
  25 \s\smovhi\s\sr2, #0
  26 \s\smov\s\sr1, r2
  27 \s\smov\s\sr0, #0
  28 \s\sbx\s\slr
  29 L2:
  30 \s\scmp\s\sr2, #0
  31 \s\srsbne\s\sr3, r2, #32
  32 \s\smovne\s\sr3, r0, lsr r3
  33 \s\smovne\s\sr0, r0, asl r2
  34 \s\sorrne\s\sr1, r3, r1, asl r2
  35 \s\sbx\s\slr