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path: root/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
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Diffstat (limited to 'MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S')
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S21
1 files changed, 14 insertions, 7 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
index da40c149e9..fe678fac26 100644
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
+++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
@@ -27,17 +27,24 @@
#
#------------------------------------------------------------------------------
- .686:
- .code:
-
.global _InternalMemScanMem8
+
+#------------------------------------------------------------------------------
+# CONST VOID *
+# EFIAPI
+# InternalMemScanMem8 (
+# IN CONST VOID *Buffer,
+# IN UINTN Length,
+# IN UINT8 Value
+# );
+#------------------------------------------------------------------------------
_InternalMemScanMem8:
push %edi
- movl 12(%esp),%ecx
- movl 8(%esp),%edi
- movb 16(%esp),%al
+ movl 12(%esp), %ecx
+ movl 8(%esp), %edi
+ movb 16(%esp), %al
repne scasb
- leal -1(%edi),%eax
+ leal -1(%edi), %eax
cmovnz %ecx, %eax
pop %edi
ret