1 files changed, 22 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/IntrinsicLib/Ia32/MathFtol.c b/roms/edk2/CryptoPkg/Library/IntrinsicLib/Ia32/MathFtol.c
new file mode 100644
index 000000000..147a19a4a
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/IntrinsicLib/Ia32/MathFtol.c
@@ -0,0 +1,22 @@
+/** @file
+  64-bit Math Worker Function.
+  The 32-bit versions of C compiler generate calls to library routines
+  to handle 64-bit math. These functions use non-standard calling conventions.
+
+Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+/*
+ * Floating point to integer conversion.
+ */
+__declspec(naked) void _ftol2 (void)
+{
+  _asm {
+    fistp qword ptr [esp-8]
+    mov   edx, [esp-4]
+    mov   eax, [esp-8]
+    ret
+  }
+}