1. Updated function headers for all assembly function
2. Optimized register usage in SetMemXX functions in all lib instances 3. Fixed a logical error in CopyMem for all lib instances git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1139 6f19259b-4bc3-4df7-8a09-765794883524
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@ -21,37 +21,36 @@
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#
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#------------------------------------------------------------------------------
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.686:
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#.MODEL flat,C
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.xmm:
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.code:
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.global _InternalMemSetMem16
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#------------------------------------------------------------------------------
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# VOID *
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# _mem_SetMem16 (
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# InternalMemSetMem16 (
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# IN VOID *Buffer,
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# IN UINTN Count,
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# IN UINT16 Value
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# )
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#------------------------------------------------------------------------------
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.global _InternalMemSetMem16
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_InternalMemSetMem16:
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push %edi
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movl 16(%esp), %eax
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shrdl $16, %eax, %edx
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shldl $16, %edx, %eax
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movl 12(%esp), %edx
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movl 8(%esp), %edi
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movl %edx, %ecx
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andl $3, %edx
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shrl $2, %ecx
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movl 16(%esp), %eax
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jz @SetWords
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jz L1
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movd %eax, %mm0
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pshufw $0, %mm0, %mm0
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L0:
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movntq %mm0, (%edi)
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movd %eax, %mm1
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psllq $32, %mm0
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por %mm1, %mm0
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L0:
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movq %mm0, (%edi)
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addl $8, %edi
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loop L0
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mfence
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@SetWords:
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loopl L0
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L1:
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movl %edx, %ecx
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rep
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stosw
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