diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x64.asm')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x64.asm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x64.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x64.asm new file mode 100644 index 0000000..7d6acae --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x64.asm @@ -0,0 +1,45 @@ +; Copyright (c) 2004, Intel Corporation +; 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. +; +; Module Name: +; +; MultU64x64.asm +; +; Abstract: +; +; Calculate the product of a 64-bit integer and another 64-bit integer +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; UINT64 +; EFIAPI +; InternalMathMultU64x64 ( +; IN UINT64 Multiplicand, +; IN UINT64 Multiplier +; ); +;------------------------------------------------------------------------------ +InternalMathMultU64x64 PROC USES ebx + mov ebx, [esp + 8] + mov edx, [esp + 16] + mov ecx, ebx + mov eax, edx + imul ebx, [esp + 20] + imul edx, [esp + 12] + add ebx, edx + mul ecx + add edx, ebx + ret +InternalMathMultU64x64 ENDP + + END |