1.Fix SetMem64.S to not use SSE3 instruction

2.Make sure NULL-terminator can be appended.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@945 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S

@@ -11,7 +11,7 @@
 #
 # Module Name:
 #
-#   SetMem64.asm
+#   SetMem64.S
 #
 # Abstract:
 #
@@ -21,43 +21,39 @@
 #
 #------------------------------------------------------------------------------
 
-    .686: 
-    #.MODEL flat,C
-    .xmm: 
-    .code: 
-
 #------------------------------------------------------------------------------
 #  VOID *
-#  _mem_SetMem64 (
+#  InternalMemSetMem64 (
 #    IN VOID   *Buffer,
 #    IN UINTN  Count,
 #    IN UINT64 Value
 #    )
 #------------------------------------------------------------------------------
-.global _InternalMemSetMem64
+.globl _InternalMemSetMem64
 _InternalMemSetMem64:
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    testl   $8, %edi
-    movddup 16(%esp), %xmm0
-    jz      L0
-    movq    %xmm0, (%edi)
-    addl    $8, %edi
+    movl    4(%esp), %eax
+    movl    8(%esp), %ecx
+    testb   $8, %al
+    movl    %eax, %edx
+    movq    0xc(%esp), %xmm0
+    jz      L1
+    movq    %xmm0, (%edx)
+    addl    $8, %edx
     decl    %ecx
-L0: 
-    movl    %ecx, %edx
+L1: 
     shrl    %ecx
     jz      @SetQwords
-L1: 
-    movntdq %xmm0, (%edi)
-    addl    $16, %edi
-    loop    L1
+    movlhps %xmm0, %xmm0
+L2: 
+    movntdq %xmm0, (%edx)
+    leal    16(%edx), %edx
+    loop    L2
     mfence
 @SetQwords: 
-    testb   $1, %dl
-    jz      L2
-    movq    %xmm0, (%edi)
-L2: 
-    pop     %edi
+    jnc     L3
+    movq    %xmm0, (%edx)
+L3: 
     ret
+
+
+

MdePkg/Library/BasePrintLib/PrintLib.c

@@ -550,7 +550,7 @@ BasePrintLibVSPrint (
   //
   // Null terminate the Unicode or ASCII string
   //
-  BasePrintLibFillBuffer (Buffer, EndBuffer, 1, 0, BytesPerOutputCharacter);
+  BasePrintLibFillBuffer (Buffer, EndBuffer + BytesPerOutputCharacter, 1, 0, BytesPerOutputCharacter);
   //
   // Make sure output buffer cannot contain more than PcdMaximumUnicodeStringLength
   // Unicode characters if PcdMaximumUnicodeStringLength is not zero. 

MdePkg/Library/BasePrintLib/PrintLibInternal.c

@@ -193,7 +193,7 @@ BasePrintLibConvertValueToString (
     }
   }
 
-  BasePrintLibFillBuffer (Buffer, EndBuffer, 1, 0, Increment);
+  BasePrintLibFillBuffer (Buffer, EndBuffer + Increment, 1, 0, Increment);
 
   return ((Buffer - OriginalBuffer) / Increment);
 }