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-rw-r--r--MdePkg/Library/BaseLib/Ia32/RShiftU64.s74
1 files changed, 35 insertions, 39 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/RShiftU64.s b/MdePkg/Library/BaseLib/Ia32/RShiftU64.s
index 5b681e391b..efedcf751b 100644
--- a/MdePkg/Library/BaseLib/Ia32/RShiftU64.s
+++ b/MdePkg/Library/BaseLib/Ia32/RShiftU64.s
@@ -1,39 +1,35 @@
-#------------------------------------------------------------------------------
-#
-# 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
-
-
-
+#------------------------------------------------------------------------------
+#
+# 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
+#
+#------------------------------------------------------------------------------
+
+ .686:
+ .code:
+
+.global InternalMathRShiftU64
+_InternalMathRShiftU64:
+ movb 12(%esp),%cl
+ xorl %edx,%edx
+ movl 8(%esp),%eax
+ testb $32,%cl
+ cmovz %eax, %edx
+ cmovz 0x4(%esp), %eax
+ shrdl %cl,%edx,%eax
+ shr %cl,%edx
+ ret