diff options
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/lshrdi3.S')
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/lshrdi3.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lshrdi3.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lshrdi3.S new file mode 100644 index 0000000000..2257deef97 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lshrdi3.S @@ -0,0 +1,38 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2008-2009 Apple Inc. All rights reserved. +# +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +#------------------------------------------------------------------------------ + + .text + .align 2 + .globl ___lshrdi3 +___lshrdi3: + @ args = 0, pretend = 0, frame = 0 + @ frame_needed = 0, uses_anonymous_args = 0 + @ link register save eliminated. + cmp r2, #31 + @ lr needed for prologue + bls L2 + cmp r2, #63 + subls r2, r2, #32 + movls r2, r1, lsr r2 + movhi r2, #0 + mov r0, r2 + mov r1, #0 + bx lr +L2: + cmp r2, #0 + rsbne r3, r2, #32 + movne r3, r1, asl r3 + movne r1, r1, lsr r2 + orrne r0, r3, r0, lsr r2 + bx lr |