Add type cast to avoid sign extension on x64 tip.

signed-off-by: Jeff Fan <jeff.fan@intel.com>
reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13709 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/UefiCpuPkg/CpuDxe/CpuDxe.c b/UefiCpuPkg/CpuDxe/CpuDxe.c
index c755d8a2891a5ff3643fda17e253d1e9381428ed..34dfbf1e7ebaec50c94ac424274b368b34c60f61 100644 (file)
--- a/UefiCpuPkg/CpuDxe/CpuDxe.c
+++ b/UefiCpuPkg/CpuDxe/CpuDxe.c
@@ -1164,7 +1164,7 @@ InitInterruptDescriptorTable (
       IntHandler =\r
         (VOID*) (\r
           OldIdt[Index].Bits.OffsetLow +\r
-          (OldIdt[Index].Bits.OffsetHigh << 16)\r
+          (((UINTN) OldIdt[Index].Bits.OffsetHigh) << 16)\r
 #if defined (MDE_CPU_X64)\r
             + (((UINTN) OldIdt[Index].Bits.OffsetUpper) << 32)\r
 #endif\r