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-rw-r--r--UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm5
1 files changed, 4 insertions, 1 deletions
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm b/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm
index 34c6de6f53..5098124a9c 100644
--- a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm
+++ b/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm
@@ -41,7 +41,10 @@ InitializeFloatingPointUnits PROC PUBLIC
;
; Initialize floating point units
;
- finit
+ ; The following opcodes stand for instruction 'finit'
+ ; to be supported by some 64-bit assemblers
+ ;
+ DB 9Bh, 0DBh, 0E3h
fldcw mFpuControlWord
;