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1. Updated function headers for all assembly function

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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
This commit is contained in:
bxing
2006-07-28 07:28:19 +00:00
parent 27169a56e6
commit eb227e96bd
106 changed files with 1006 additions and 457 deletions
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17
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S
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@@ -21,20 +21,17 @@
#
#------------------------------------------------------------------------------
.686:
#.MODEL flat,C
.xmm:
.code:
.global _InternalMemSetMem32
#------------------------------------------------------------------------------
# VOID *
# _mem_SetMem32 (
# EFIAPI
# InternalMemSetMem32 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT32 Value
# )
# );
#------------------------------------------------------------------------------
.global _InternalMemSetMem32
_InternalMemSetMem32:
push %edi
movl 12(%esp), %edx
@@ -50,19 +47,19 @@ _InternalMemSetMem32:
subl %ecx, %edx
rep
stosl
L0:
L0:
movl %edx, %ecx
andl $3, %edx
shrl $2, %ecx
jz @SetDwords
movd %eax, %xmm0
pshufd $0, %xmm0, %xmm0
L1:
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
@SetDwords:
@SetDwords:
movl %edx, %ecx
rep
stosl