diff options
| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:51:58 -0700 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:49:12 +0800 |
| commit | 76a7787865a8dfd7049247a07491cc25ac0e9529 (patch) | |
| tree | d1ea70a327323f7ef9fb55808fabc994770ffa98 /MdePkg/Library/BaseLib/Ia32/LShiftU64.nasm | |
| parent | f8b4c87caec86b92312a98169f276e4f56181c3f (diff) | |
MdePkg BaseLib: Convert Ia32/LShiftU64.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/LShiftU64.asm to Ia32/LShiftU64.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/LShiftU64.nasm')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/LShiftU64.nasm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/LShiftU64.nasm b/MdePkg/Library/BaseLib/Ia32/LShiftU64.nasm new file mode 100644 index 0000000000..239e6dfabe --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/LShiftU64.nasm @@ -0,0 +1,45 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
+; 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.
+;
+; Module Name:
+;
+; LShiftU64.nasm
+;
+; Abstract:
+;
+; 64-bit left shift function for IA-32
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathLShiftU64 (
+; IN UINT64 Operand,
+; IN UINTN Count
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMathLShiftU64)
+ASM_PFX(InternalMathLShiftU64):
+ mov cl, [esp + 12]
+ xor eax, eax
+ mov edx, [esp + 4]
+ test cl, 32 ; Count >= 32?
+ jnz .0
+ mov eax, edx
+ mov edx, [esp + 8]
+.0:
+ shld edx, eax, cl
+ shl eax, cl
+ ret
+
|