sync comments.

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / LRotU64.S

diff --git a/MdePkg/Library/BaseLib/Ia32/LRotU64.S b/MdePkg/Library/BaseLib/Ia32/LRotU64.S
index 42bb22f1312130f975f8a5908c0df2714b0b2944..615ff8146afa02140835ddf61339c9f9f13a6691 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/LRotU64.S
+++ b/MdePkg/Library/BaseLib/Ia32/LRotU64.S
@@ -38,7 +38,7 @@ ASM_PFX(InternalMathLRotU64):
     shldl   %cl, %eax, %edx\r
     rorl    %cl, %ebx\r
     shldl   %cl, %ebx, %eax\r
-    testb   $32, %cl\r
+    testb   $32, %cl                    # Count >= 32?\r
     cmovnz  %eax, %ecx\r
     cmovnz  %edx, %eax\r
     cmovnz  %ecx, %edx\r