Gcc cleanup for baselib & basememorylib in mdepkg/library/

[mirror_edk2.git] / MdePkg / Library / BaseLib / X64 / ReadMm7.asm

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm7.asm b/MdePkg/Library/BaseLib/X64/ReadMm7.asm
index e3ad6bb6587e6fffd1d11bd622ebfa271ccd9f24..d871a9f8dcd79763e6d274208472d46156f3e830 100644 (file)
--- a/MdePkg/Library/BaseLib/X64/ReadMm7.asm
+++ b/MdePkg/Library/BaseLib/X64/ReadMm7.asm
@@ -24,13 +24,16 @@
     .code\r
 \r
 ;------------------------------------------------------------------------------\r
-; UINTN\r
+; UINT64\r
 ; EFIAPI\r
 ; AsmReadMm7 (\r
 ;   VOID\r
 ;   );\r
 ;------------------------------------------------------------------------------\r
 AsmReadMm7  PROC\r
+    ;\r
+    ; 64-bit MASM doesn't support MMX instructions, so use opcode here\r
+    ;\r
     DB      48h, 0fh, 7eh, 0f8h\r
     ret\r
 AsmReadMm7  ENDP\r