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path: root/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
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Diffstat (limited to 'MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S')
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S25
1 files changed, 9 insertions, 16 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
index 9699581606..5eef027e57 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
+++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
@@ -21,30 +21,23 @@
#
#------------------------------------------------------------------------------
- .686:
- #.MODEL flat,C
- .xmm:
- .code:
+.global _InternalMemSetMem64
#------------------------------------------------------------------------------
# VOID *
-# _mem_SetMem64 (
+# InternalMemSetMem64 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT64 Value
# )
#------------------------------------------------------------------------------
-.global _InternalMemSetMem64
_InternalMemSetMem64:
- push %edi
- movq 16(%esp), %mm0
- movl 12(%esp), %ecx
- movl 8(%esp), %edi
- movl %edi, %eax
-L0:
- movntq %mm0, (%edi)
- addl $8, %edi
+ movl 4(%esp), %eax
+ movl 8(%esp), %ecx
+ movq 12(%esp), %mm0
+ movl %eax, %edx
+L0:
+ movq %mm0, (%edx)
+ lea 8(%edx), %edx
loopl L0
- mfence
- pop %edi
ret