diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/WriteMm0.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/WriteMm0.asm | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/X64/WriteMm0.asm b/MdePkg/Library/BaseLib/X64/WriteMm0.asm index 0ad65e366d..7496362d86 100644 --- a/MdePkg/Library/BaseLib/X64/WriteMm0.asm +++ b/MdePkg/Library/BaseLib/X64/WriteMm0.asm @@ -31,6 +31,9 @@ ; );
;------------------------------------------------------------------------------
AsmWriteMm0 PROC
+ ;
+ ; 64-bit MASM doesn't support MMX instructions, so use opcode here
+ ;
DB 48h, 0fh, 6eh, 0c1h
ret
AsmWriteMm0 ENDP
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