--- /dev/null
+#------------------------------------------------------------------------------\r
+#\r
+# Copyright (c) 2006, Intel Corporation\r
+# All rights reserved. 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
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#\r
+# Module Name:\r
+#\r
+# LRotU64.asm\r
+#\r
+# Abstract:\r
+#\r
+# 64-bit left rotation for Ia32\r
+#\r
+#------------------------------------------------------------------------------\r
+\r
+.globl ASM_PFX(InternalMathLRotU64)\r
+\r
+#------------------------------------------------------------------------------\r
+# UINT64\r
+# EFIAPI\r
+# InternalMathLRotU64 (\r
+# IN UINT64 Operand,\r
+# IN UINTN Count\r
+# );\r
+#------------------------------------------------------------------------------\r
+ASM_PFX(InternalMathLRotU64):\r
+ push %ebx\r
+ movb 16(%esp), %cl\r
+ movl 12(%esp), %edx\r
+ movl 8(%esp), %eax\r
+ shldl %cl, %edx, %ebx\r
+ shldl %cl, %eax, %edx\r
+ rorl %cl, %ebx\r
+ shldl %cl, %ebx, %eax\r
+ testb $32, %cl\r
+ cmovnz %eax, %ecx\r
+ cmovnz %edx, %eax\r
+ cmovnz %ecx, %edx\r
+ pop %ebx\r
+ ret\r