diff options
| -rw-r--r-- | MdePkg/Library/BaseLib/BaseLib.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/MultU64x32.nasm | 40 |
2 files changed, 42 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 936f07f609..68b317f4e5 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -299,6 +299,7 @@ Ia32/ModU64x32.asm | INTEL
Ia32/MultU64x64.nasm| INTEL
Ia32/MultU64x64.asm | INTEL
+ Ia32/MultU64x32.nasm| INTEL
Ia32/MultU64x32.asm | INTEL
Ia32/LShiftU64.asm | INTEL
Ia32/LRotU64.asm | INTEL
@@ -357,6 +358,7 @@ Ia32/DivU64x32.S | GCC
Ia32/MultU64x64.nasm| GCC
Ia32/MultU64x64.S | GCC
+ Ia32/MultU64x32.nasm| GCC
Ia32/MultU64x32.S | GCC
Ia32/RRotU64.nasm| GCC
Ia32/RRotU64.S | GCC
diff --git a/MdePkg/Library/BaseLib/Ia32/MultU64x32.nasm b/MdePkg/Library/BaseLib/Ia32/MultU64x32.nasm new file mode 100644 index 0000000000..6c54a105cf --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/MultU64x32.nasm @@ -0,0 +1,40 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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:
+;
+; MultU64x32.nasm
+;
+; Abstract:
+;
+; Calculate the product of a 64-bit integer and a 32-bit integer
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathMultU64x32 (
+; IN UINT64 Multiplicand,
+; IN UINT32 Multiplier
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMathMultU64x32)
+ASM_PFX(InternalMathMultU64x32):
+ mov ecx, [esp + 12]
+ mov eax, ecx
+ imul ecx, [esp + 8] ; overflow not detectable
+ mul dword [esp + 4]
+ add edx, ecx
+ ret
+
|