Update copyright for files modified in this year

[mirror_edk2.git] / MdePkg / Library / BaseLib / X64 / WriteMm3.asm

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm3.asm b/MdePkg/Library/BaseLib/X64/WriteMm3.asm
index fa36ea64bb15cd66ef4f6313c82d9ded619ebc2d..59464641eb4b8fa41c09a5c6df44b16e82f9063a 100644 (file)
--- a/MdePkg/Library/BaseLib/X64/WriteMm3.asm
+++ b/MdePkg/Library/BaseLib/X64/WriteMm3.asm
@@ -31,6 +31,9 @@
 ;   );\r
 ;------------------------------------------------------------------------------\r
 AsmWriteMm3 PROC\r
+    ;\r
+    ; 64-bit MASM doesn't support MMX instructions, so use opcode here\r
+    ;\r
     DB      48h, 0fh, 6eh, 0d9h\r
     ret\r
 AsmWriteMm3 ENDP\r