clean up all of eight BaseMemoryLib instances in MdePkg with the following updates:

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibOptDxe / X64 / CompareMem.S

diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S
index c207db7dda2cb902a848552c0b9c2d8b9d3779cc..4f73686f30f14bed7992c84022f0a544173fed2e 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S
@@ -3,7 +3,7 @@
 #\r
 #------------------------------------------------------------------------------\r
 #\r
-# Copyright (c) 2006 - 2008, Intel Corporation\r
+# Copyright (c) 2006 - 2009, 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
@@ -41,20 +41,19 @@
 #   IN      CONST VOID                *SourceBuffer,\r
 #   IN      UINTN                     Length\r
 #   );\r
-#------------------------------------------------------------------------------\r
-.intel_syntax noprefix\r
+#------------------------------------------------------------------------------ \r
 ASM_GLOBAL ASM_PFX(InternalMemCompareMem)\r
 ASM_PFX(InternalMemCompareMem):\r
-    push    rsi\r
-    push    rdi\r
-    mov     rsi, rcx\r
-    mov     rdi, rdx\r
-    mov     rcx, r8\r
+    pushq   %rsi\r
+    pushq   %rdi\r
+    movq    %rcx, %rsi\r
+    movq    %rdx, %rdi\r
+    movq    %r8, %rcx\r
     repe    cmpsb\r
-    movzx   rax, byte ptr [rsi - 1]\r
-    movzx   rdx, byte ptr [rdi - 1]\r
-    sub     rax, rdx\r
-    pop     rdi\r
-    pop     rsi\r
+    movzbq  -1(%rsi) , %rax\r
+    movzbq  -1(%rdi) , %rdx\r
+    sub     %dl, %al\r
+    popq    %rdi\r
+    popq    %rsi\r
     ret\r
 \r