diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x32.asm')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x32.asm | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x32.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x32.asm new file mode 100644 index 0000000..c8970ec --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/MultU64x32.asm @@ -0,0 +1,41 @@ +; 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: +; +; MultU64x32.asm +; +; Abstract: +; +; Calculate the product of a 64-bit integer and a 32-bit integer +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; UINT64 +; EFIAPI +; InternalMathMultU64x32 ( +; IN UINT64 Multiplicand, +; IN UINT32 Multiplier +; ); +;------------------------------------------------------------------------------ +InternalMathMultU64x32 PROC + mov ecx, [esp + 12] + mov eax, ecx + imul ecx, [esp + 8] ; overflow not detectable + mul dword ptr [esp + 4] + add edx, ecx + ret +InternalMathMultU64x32 ENDP + + END |