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-rw-r--r--MdeModulePkg/Core/Dxe/Misc/Stall.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/MdeModulePkg/Core/Dxe/Misc/Stall.c b/MdeModulePkg/Core/Dxe/Misc/Stall.c
index 5bc7814f09..73e90785e2 100644
--- a/MdeModulePkg/Core/Dxe/Misc/Stall.c
+++ b/MdeModulePkg/Core/Dxe/Misc/Stall.c
@@ -32,7 +32,7 @@ CoreInternalWaitForTick (
IN UINT64 Counter
)
{
- while ((Counter & 0xffffffff00000000ULL) != 0) {
+ while (RShiftU64 (Counter, 32) > 0) {
gMetronome->WaitForTick (gMetronome, 0xffffffff);
Counter -= 0xffffffff;
}