#------------------------------------------------------------------------------\r
#\r
-# Copyright (c) 2006, Intel Corporation\r
-# All rights reserved. This program and the accompanying materials\r
+# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+# This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution. The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php\r
#\r
# Module Name:\r
#\r
-# MultU64x64.asm\r
+# MultU64x64.S\r
#\r
# Abstract:\r
#\r
#\r
#------------------------------------------------------------------------------\r
\r
-.global _InternalMathMultU64x64\r
+ASM_GLOBAL ASM_PFX(InternalMathMultU64x64)\r
\r
#------------------------------------------------------------------------------\r
# UINT64\r
# IN UINT64 Multiplier\r
# );\r
#------------------------------------------------------------------------------\r
-_InternalMathMultU64x64:\r
- push %ebx\r
- movl 8(%esp), %ebx\r
- movl 16(%esp), %edx\r
- movl %ebx, %ecx\r
- movl %edx, %eax\r
- imull 20(%esp), %ebx\r
- imull 12(%esp), %edx\r
- addl %edx, %ebx\r
- mull %ecx\r
- addl %ebx, %edx\r
+ASM_PFX(InternalMathMultU64x64):\r
+ push %ebx \r
+ movl 8(%esp), %ebx # ebx <- M1[0..31] \r
+ movl 16(%esp), %edx # edx <- M2[0..31] \r
+ movl %ebx, %ecx \r
+ movl %edx, %eax \r
+ imull 20(%esp), %ebx # ebx <- M1[0..31] * M2[32..63] \r
+ imull 12(%esp), %edx # edx <- M1[32..63] * M2[0..31] \r
+ addl %edx, %ebx # carries are abandoned \r
+ mull %ecx # edx:eax <- M1[0..31] * M2[0..31]\r
+ addl %ebx, %edx # carries are abandoned \r
pop %ebx\r
ret\r