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Fix the bug that SetMem.S of BaseMemoryLibOptDxe is incorrect.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8207 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24 2009-04-30 02:59:35 +00:00
parent 687add7035
commit 8672ccb305
1 changed files with 6 additions and 11 deletions
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17
MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S
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@ -21,9 +21,6 @@
# #
#------------------------------------------------------------------------------ #------------------------------------------------------------------------------
.386:
.code:
.globl ASM_PFX(InternalMemSetMem) .globl ASM_PFX(InternalMemSetMem)
#------------------------------------------------------------------------------ #------------------------------------------------------------------------------
@ -38,18 +35,16 @@ ASM_PFX(InternalMemSetMem):
push %edi push %edi
movl 12(%esp),%ecx movl 12(%esp),%ecx
movb 16(%esp),%al movb 16(%esp),%al
movb %ah, %al movb %al, %ah
shrd $16, %eax, %edx shrd $16, %eax, %edx
shld $16, %edx, %eax shld $16, %edx, %eax
movl %edx, %ecx
movl 8(%esp),%edi
shrd $2, %ecx, %ecx
rep
stosl
movl %ecx, %edx movl %ecx, %edx
movl 8(%esp),%edi
shr $2, %ecx
rep stosl
movl %edx, %ecx
andl $3, %ecx andl $3, %ecx
rep rep stosb
stosb
movl 8(%esp),%eax movl 8(%esp),%eax
pop %edi pop %edi
ret ret