diff options
| author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-24 22:17:39 +0000 |
|---|---|---|
| committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-24 22:17:39 +0000 |
| commit | 185d764218d07c06838d4758125a5ca66178e7c9 (patch) | |
| tree | 6e628a1b60b10166b39d40bb7547c90cc1c32128 /MdePkg/Library/BaseLib/Ia32/RShiftU64.s | |
| parent | dd9f96de98c61f89d865600ce99cfd026711b02c (diff) | |
| download | edk2-platforms-185d764218d07c06838d4758125a5ca66178e7c9.tar.xz | |
Rename dirs
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@16 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/RShiftU64.s')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/RShiftU64.s | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/RShiftU64.s b/MdePkg/Library/BaseLib/Ia32/RShiftU64.s new file mode 100644 index 0000000000..5b681e391b --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/RShiftU64.s @@ -0,0 +1,39 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, 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:
+#
+# RShiftU64.asm
+#
+# Abstract:
+#
+# 64-bit logical right shift function for IA-32
+#
+#------------------------------------------------------------------------------
+
+
+
+
+
+.global _RShiftU64
+_RShiftU64:
+ movb 12(%esp),%cl
+ xorl %edx,%edx
+ movl 8(%esp),%eax
+ testb $32,%cl
+ cmovz %eax, %edx
+ cmovz 4(%esp), %eax
+ shrdl %cl,%edx,%eax
+ shrl %cl,%edx
+ ret
+
+
+
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