[PATCH v4 5/9] MdePkg/CompilerIntrinsicsLib: copy over intrinsics from edk2-libc repo

["Gerd Hoffmann" <kraxel@redhat.com>]

Copy over unmodified (except for running through uncrustify and adding
SPDX licence tags), from
https://github.com/tianocore/edk2-libc/tree/master/StdLib/LibC/CRT

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
---
 .../Library/CompilerIntrinsicsLib/Ia32/Gcc.c  | 285 ++++++++++++++++++
 .../CompilerIntrinsicsLib/Ia32/lldiv.c        | 100 ++++++
 .../CompilerIntrinsicsLib/Ia32/lldvrm.c       | 104 +++++++
 .../CompilerIntrinsicsLib/Ia32/llmul.c        |  84 ++++++
 .../CompilerIntrinsicsLib/Ia32/llrem.c        |  97 ++++++
 .../CompilerIntrinsicsLib/Ia32/llshl.c        |  59 ++++
 .../CompilerIntrinsicsLib/Ia32/llshr.c        |  63 ++++
 .../CompilerIntrinsicsLib/Ia32/ulldiv.c       |  91 ++++++
 .../CompilerIntrinsicsLib/Ia32/ulldvrm.c      | 104 +++++++
 .../CompilerIntrinsicsLib/Ia32/ullrem.c       |  97 ++++++
 .../CompilerIntrinsicsLib/Ia32/ullshr.c       |  62 ++++
 .../CompilerIntrinsicsLib/Ia32/ashrdi3.S      |  68 +++++
 .../CompilerIntrinsicsLib/Ia32/mulll.S        |  79 +++++
 .../CompilerIntrinsicsLib/Ia32/shldi3.S       |  64 ++++
 .../CompilerIntrinsicsLib/Ia32/udivdi3.S      |  85 ++++++
 .../CompilerIntrinsicsLib/Ia32/umoddi3.S      |  91 ++++++
 16 files changed, 1533 insertions(+)
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S
 create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S

diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c
new file mode 100644
index 000000000000..bb211022c0e4
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c
@@ -0,0 +1,285 @@
+/** @file
+  Integer Arithmetic Run-time support functions for GCC.
+  The integer arithmetic routines are used on platforms that don't provide
+  hardware support for arithmetic operations on some modes..
+
+  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#include <Uefi.h>
+#include <Library/DebugLib.h>
+#include <sys/EfiCdefs.h>
+
+#include <Library/BaseLib.h>
+
+// Shift Datum left by Count bits.
+// ===========================================================================
+int
+__ashlsi3 (
+  int  Datum,
+  int  Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (int)LShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+long
+__ashldi3 (
+  long  Datum,
+  int   Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long)LShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+long long
+__ashlti3 (
+  long long  Datum,
+  int        Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long long)LShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+// Arithmetically shift Datum right by Count bits.
+// ===========================================================================
+int
+__ashrsi3 (
+  int  Datum,
+  int  Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (int)ARShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+long
+__ashrdi3 (
+  long  Datum,
+  int   Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long)ARShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+long long
+__ashrti3 (
+  long long  Datum,
+  int        Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long long)ARShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+// Return the quotient of the signed division of Dividend and Divisor
+// ===========================================================================
+int
+__divsi3 (
+  int  Dividend,
+  int  Divisor
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (int)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, NULL);
+}
+
+INT64
+__divdi3 (
+  INT64  Dividend,
+  INT64  Divisor
+  )
+{
+  INT64  Quotient;
+
+  Quotient = DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, NULL);
+  DEBUG ((DEBUG_INFO, "%a: %Ld / %Ld = %Ld\n", __func__, Dividend, Divisor, Quotient));
+
+  return Quotient;
+}
+
+long long
+__divti3 (
+  long long  Dividend,
+  long long  Divisor
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long long)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, NULL);
+}
+
+// Logically shift Datum right by Count bits
+// ===========================================================================
+int
+__lshrsi3 (
+  int  Datum,
+  int  Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (int)RShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+long
+__lshrdi3 (
+  int  Datum,
+  int  Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long)RShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+long long
+__lshrti3 (
+  int  Datum,
+  int  Count
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long long)RShiftU64 ((UINT64)Datum, (UINTN)Count);
+}
+
+// Return the remainder of the signed division of Dividend and Divisor
+// ===========================================================================
+int
+__modsi3 (
+  int  Dividend,
+  int  Divisor
+  )
+{
+  INT64  Remainder;
+
+  (void)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, &Remainder);
+  DEBUG ((DEBUG_INFO, "modsi3: %d %% %d = %d\n", Dividend, Divisor, (int)Remainder));
+
+  return (int)Remainder;
+}
+
+INT64
+__moddi3 (
+  INT64  Dividend,
+  INT64  Divisor
+  )
+{
+  INT64  Remainder;
+
+  (void)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, &Remainder);
+  DEBUG ((DEBUG_INFO, "moddi3: %Ld %% %Ld = %Ld\n", (INT64)Dividend, (INT64)Divisor, Remainder));
+
+  return Remainder;
+}
+
+long long
+__modti3 (
+  long long  Dividend,
+  long long  Divisor
+  )
+{
+  INT64  Remainder;
+
+  (void)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, &Remainder);
+  DEBUG ((DEBUG_INFO, "modti3: %Ld %% %Ld = %Ld\n", (INT64)Dividend, (INT64)Divisor, Remainder));
+
+  return (long long)Remainder;
+}
+
+// These functions return the product of the Multiplicand and Multiplier.
+// ===========================================================================
+long long
+__multi3 (
+  long long  Multiplicand,
+  long long  Multiplier
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long long)MultS64x64 ((INT64)Multiplicand, (INT64)Multiplier);
+}
+
+// Return the quotient of the unsigned division of a and b.
+// ===========================================================================
+unsigned int
+__udivsi3 (
+  unsigned int  Dividend,
+  unsigned int  Divisor
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (int)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, NULL);
+}
+
+unsigned long
+__udivdi3 (
+  unsigned long  Dividend,
+  unsigned long  Divisor
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, NULL);
+}
+
+unsigned long long
+__udivti3 (
+  unsigned long long  Dividend,
+  unsigned long long  Divisor
+  )
+{
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  return (long long)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, NULL);
+}
+
+// ===========================================================================
+unsigned int
+__umodsi3 (
+  unsigned int  Dividend,
+  unsigned int  Divisor
+  )
+{
+  UINT64  Remainder;
+
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  (void)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, &Remainder);
+
+  return (unsigned int)Remainder;
+}
+
+unsigned long
+__umoddi3 (
+  unsigned long  Dividend,
+  unsigned long  Divisor
+  )
+{
+  UINT64  Remainder;
+
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  (void)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, &Remainder);
+
+  return (unsigned long)Remainder;
+}
+
+unsigned long long
+__umodti3 (
+  unsigned long long  Dividend,
+  unsigned long long  Divisor
+  )
+{
+  UINT64  Remainder;
+
+  DEBUG ((DEBUG_INFO, "%a:\n", __func__));
+  (void)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, &Remainder);
+
+  return (unsigned long long)Remainder;
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c
new file mode 100644
index 000000000000..cf2eec2a70b4
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c
@@ -0,0 +1,100 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/*
+ * Divides a 64-bit signed value with a 64-bit signed value and returns
+ * a 64-bit signed result.
+ */
+__declspec(naked) void __cdecl
+_alldiv (
+  void
+  )
+{
+  //
+  // Wrapper Implementation over EDKII DivS64x64Remainder() routine
+  //    INT64
+  //    EFIAPI
+  //    DivS64x64Remainder (
+  //      IN      UINT64     Dividend,
+  //      IN      UINT64     Divisor,
+  //      OUT     UINT64     *Remainder  OPTIONAL
+  //      )
+  //
+  _asm {
+    ;Entry:
+    ;       Arguments are passed on the stack:
+    ;               1st pushed: divisor (QWORD)
+    ;               2nd pushed: dividend (QWORD)
+    ;
+    ;Exit:
+    ;       EDX:EAX contains the quotient (dividend/  divisor)
+    ;       NOTE: this routine removes the parameters from the stack.
+      ;
+    ; Original local stack when calling _alldiv
+    ;               -----------------
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Divisor  --|
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Dividend --|
+    ;               |               |
+    ;               |---------------|
+    ;               |  ReturnAddr** |
+    ;       ESP---->|---------------|
+    ;
+
+    ;
+    ; Set up the local stack for NULL Reminder pointer
+    ;
+    xor  eax, eax
+    push eax
+
+    ;
+    ; Set up the local stack for Divisor parameter
+    ;
+    mov  eax, [esp + 20]
+    push eax
+    mov  eax, [esp + 20]
+    push eax
+
+    ;
+    ; Set up the local stack for Dividend parameter
+    ;
+    mov  eax, [esp + 20]
+    push eax
+    mov  eax, [esp + 20]
+    push eax
+
+    ;
+    ; Call native DivS64x64Remainder of BaseLib
+    ;
+    call DivS64x64Remainder
+
+    ;
+    ; Adjust stack
+    ;
+    add  esp, 20
+
+    ret  16
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c
new file mode 100644
index 000000000000..1fbe11bea751
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c
@@ -0,0 +1,104 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/*
+ * Divides a 64-bit signed value by another 64-bit signed value and returns
+ * the 64-bit signed result and the 64-bit signed remainder.
+ */
+__declspec(naked) void __cdecl
+_alldvrm (
+  void
+  )
+{
+  //
+  // Wrapper Implementation over EDKII DivS64x64Remainder() routine
+  //    INT64
+  //    EFIAPI
+  //    DivS64x64Remainder (
+  //      IN      INT64     Dividend,
+  //      IN      INT64     Divisor,
+  //      OUT     INT64     *Remainder
+  //      )
+  //
+  _asm {
+    ; Original local stack when calling _alldvrm
+    ;               -----------------
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Divisor  --|
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Dividend --|
+    ;               |               |
+    ;               |---------------|
+    ;               |  ReturnAddr** |
+    ;       ESP---->|---------------|
+    ;
+    ;
+    ; On Exit:
+    ;       EDX:EAX contains the quotient (dividend/  divisor)
+    ;       EBX:ECX contains the remainder (divided %  divisor)
+    ;       NOTE: this routine removes the parameters from the stack.
+      ;
+
+    ;
+    ; Set up the local stack for Reminder pointer
+    ;
+    sub  esp, 8
+    push esp
+
+    ;
+    ; Set up the local stack for Divisor parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Set up the local stack for Dividend parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Call native DivS64x64Remainder of BaseLib
+    ;
+    call DivS64x64Remainder
+
+    ;
+    ; EDX:EAX contains the quotient (dividend/  divisor)
+    ; Put the Remainder in EBX:ECX
+    ;
+    mov  ecx, [esp + 20]
+    mov  ebx, [esp + 24]
+
+    ;
+    ; Adjust stack
+    ;
+    add  esp, 28
+
+    ret  16
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c
new file mode 100644
index 000000000000..3f9c54454128
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c
@@ -0,0 +1,84 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/*
+ * Multiplies a 64-bit signed or unsigned value by a 64-bit signed or unsigned value
+ * and returns a 64-bit result.
+ */
+__declspec(naked) void __cdecl
+_allmul (
+  void
+  )
+{
+  //
+  // Wrapper Implementation over EDKII MultS64x64() routine
+  //    INT64
+  //    EFIAPI
+  //    MultS64x64 (
+  //      IN      INT64      Multiplicand,
+  //      IN      INT64      Multiplier
+  //      )
+  //
+  _asm {
+    ; Original local stack when calling _allmul
+    ;               -----------------
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--Multiplier --|
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--Multiplicand-|
+    ;               |               |
+    ;               |---------------|
+    ;               |  ReturnAddr** |
+    ;       ESP---->|---------------|
+    ;
+
+    ;
+    ; Set up the local stack for Multiplicand parameter
+    ;
+    mov  eax, [esp + 16]
+    push eax
+    mov  eax, [esp + 16]
+    push eax
+
+    ;
+    ; Set up the local stack for Multiplier parameter
+    ;
+    mov  eax, [esp + 16]
+    push eax
+    mov  eax, [esp + 16]
+    push eax
+
+    ;
+    ; Call native MulS64x64 of BaseLib
+    ;
+    call MultS64x64
+
+    ;
+    ; Adjust stack
+    ;
+    add  esp, 16
+
+    ret  16
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c
new file mode 100644
index 000000000000..5a73d539a650
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c
@@ -0,0 +1,97 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/*
+ * Divides a 64-bit signed value by another 64-bit signed value and returns
+ * the 64-bit signed remainder.
+ */
+__declspec(naked) void __cdecl
+_allrem (
+  void
+  )
+{
+  //
+  // Wrapper Implementation over EDKII DivS64x64Remainder() routine
+  //    UINT64
+  //    EFIAPI
+  //    DivS64x64Remainder (
+  //      IN      UINT64     Dividend,
+  //      IN      UINT64     Divisor,
+  //      OUT     UINT64     *Remainder
+  //      )
+  //
+  _asm {
+    ; Original local stack when calling _allrem
+    ;               -----------------
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Divisor  --|
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Dividend --|
+    ;               |               |
+    ;               |---------------|
+    ;               |  ReturnAddr** |
+    ;       ESP---->|---------------|
+    ;
+
+    ;
+    ; Set up the local stack for Reminder pointer
+    ;
+    sub  esp, 8
+    push esp
+
+    ;
+    ; Set up the local stack for Divisor parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Set up the local stack for Dividend parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Call native DivS64x64Remainder of BaseLib
+    ;
+    call DivS64x64Remainder
+
+    ;
+    ; Put the Reminder in EDX:EAX as return value
+    ;
+    mov  eax, [esp + 20]
+    mov  edx, [esp + 24]
+
+    ;
+    ; Adjust stack
+    ;
+    add  esp, 28
+
+    ret  16
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c
new file mode 100644
index 000000000000..665b628b4014
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c
@@ -0,0 +1,59 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+/*
+ * Shifts a 64-bit signed value left by a particular number of bits.
+ */
+__declspec(naked) void __cdecl
+_allshl (
+  void
+  )
+{
+  _asm {
+    ;
+    ; Handle shifting of 64 or more bits (return 0)
+    ;
+
+    cmp     cl, 64
+    jae     short ReturnZero
+
+    ;
+    ; Handle shifting of between 0 and 31 bits
+    ;
+    cmp     cl, 32
+    jae     short More32
+    shld    edx, eax, cl
+    shl     eax, cl
+    ret
+
+    ;
+    ; Handle shifting of between 32 and 63 bits
+    ;
+More32:
+    mov     edx, eax
+    xor     eax, eax
+    and     cl, 31
+    shl     edx, cl
+    ret
+
+ReturnZero:
+    xor     eax,eax
+    xor     edx,edx
+    ret
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c
new file mode 100644
index 000000000000..94b91d4ea3c7
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c
@@ -0,0 +1,63 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+/*
+ * Shifts a 64-bit signed value right by a particular number of bits.
+ */
+__declspec(naked) void __cdecl
+_allshr (
+  void
+  )
+{
+  _asm {
+    ;
+    ; Handle shifts of 64 bits or more (if shifting 64 bits or more, the result
+      ; depends only on the high order bit of edx).
+      ;
+
+    cmp     cl,64
+    jae     short SIGNRETURN
+
+    ;
+    ; Handle shifts of between 0 and 31 bits
+    ;
+    cmp     cl, 32
+    jae     short MORE32
+    shrd    eax,edx,cl
+    sar     edx,cl
+    ret
+
+    ;
+    ; Handle shifts of between 32 and 63 bits
+    ;
+MORE32:
+    mov     eax,edx
+    sar     edx,31
+    and     cl,31
+    sar     eax,cl
+    ret
+
+    ;
+    ; Return double precision 0 or -1, depending on the sign of edx
+    ;
+SIGNRETURN:
+    sar     edx,31
+    mov     eax,edx
+    ret
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c
new file mode 100644
index 000000000000..064e0e109b1d
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c
@@ -0,0 +1,91 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/*
+ * Divides a 64-bit unsigned value with a 64-bit unsigned value and returns
+ * a 64-bit unsigned result.
+ */
+__declspec(naked) void __cdecl
+_aulldiv (
+  void
+  )
+{
+  //
+  // Wrapper Implementation over EDKII DivU64x64Reminder() routine
+  //    UINT64
+  //    EFIAPI
+  //    DivU64x64Remainder (
+  //      IN      UINT64     Dividend,
+  //      IN      UINT64     Divisor,
+  //      OUT     UINT64     *Remainder  OPTIONAL
+  //      )
+  //
+  _asm {
+    ; Original local stack when calling _aulldiv
+    ;               -----------------
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Divisor  --|
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Dividend --|
+    ;               |               |
+    ;               |---------------|
+    ;               |  ReturnAddr** |
+    ;       ESP---->|---------------|
+    ;
+
+    ;
+    ; Set up the local stack for NULL Reminder pointer
+    ;
+    xor  eax, eax
+    push eax
+
+    ;
+    ; Set up the local stack for Divisor parameter
+    ;
+    mov  eax, [esp + 20]
+    push eax
+    mov  eax, [esp + 20]
+    push eax
+
+    ;
+    ; Set up the local stack for Dividend parameter
+    ;
+    mov  eax, [esp + 20]
+    push eax
+    mov  eax, [esp + 20]
+    push eax
+
+    ;
+    ; Call native DivU64x64Remainder of BaseLib
+    ;
+    call DivU64x64Remainder
+
+    ;
+    ; Adjust stack
+    ;
+    add  esp, 20
+
+    ret  16
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c
new file mode 100644
index 000000000000..37946b4edc94
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c
@@ -0,0 +1,104 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/*
+ * Divides a 64-bit signed value by another 64-bit signed value and returns
+ * the 64-bit signed result and the 64-bit signed remainder.
+ */
+__declspec(naked) void __cdecl
+_aulldvrm (
+  void
+  )
+{
+  //
+  // Wrapper Implementation over EDKII DivU64x64Remainder() routine
+  //    UINT64
+  //    EFIAPI
+  //    DivU64x64Remainder (
+  //      IN      UINT64     Dividend,
+  //      IN      UINT64     Divisor,
+  //      OUT     UINT64     *Remainder
+  //      )
+  //
+  _asm {
+    ; Original local stack when calling _aulldvrm
+    ;               -----------------
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Divisor  --|
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Dividend --|
+    ;               |               |
+    ;               |---------------|
+    ;               |  ReturnAddr** |
+    ;       ESP---->|---------------|
+    ;
+    ;
+    ; On Exit:
+    ;       EDX:EAX contains the quotient (dividend/  divisor)
+    ;       EBX:ECX contains the remainder (divided %  divisor)
+    ;       NOTE: this routine removes the parameters from the stack.
+      ;
+
+    ;
+    ; Set up the local stack for Remainder pointer
+    ;
+    sub  esp, 8
+    push esp
+
+    ;
+    ; Set up the local stack for Divisor parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Set up the local stack for Dividend parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Call native DivU64x64Remainder of BaseLib
+    ;
+    call DivU64x64Remainder
+
+    ;
+    ; EDX:EAX contains the quotient (dividend/  divisor)
+    ; Put the Remainder in EBX:ECX
+    ;
+    mov  ecx, [esp + 20]
+    mov  ebx, [esp + 24]
+
+    ;
+    ; Adjust stack
+    ;
+    add  esp, 28
+
+    ret  16
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c
new file mode 100644
index 000000000000..a5b65e600415
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c
@@ -0,0 +1,97 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/*
+ * Divides a 64-bit unsigned value by another 64-bit unsigned value and returns
+ * the 64-bit unsigned remainder.
+ */
+__declspec(naked) void __cdecl
+_aullrem (
+  void
+  )
+{
+  //
+  // Wrapper Implementation over EDKII DivU64x64Remainder() routine
+  //    UINT64
+  //    EFIAPI
+  //    DivU64x64Remainder (
+  //      IN      UINT64     Dividend,
+  //      IN      UINT64     Divisor,
+  //      OUT     UINT64     *Remainder  OPTIONAL
+  //      )
+  //
+  _asm {
+    ; Original local stack when calling _aullrem
+    ;               -----------------
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Divisor  --|
+    ;               |               |
+    ;               |---------------|
+    ;               |               |
+    ;               |--  Dividend --|
+    ;               |               |
+    ;               |---------------|
+    ;               |  ReturnAddr** |
+    ;       ESP---->|---------------|
+    ;
+
+    ;
+    ; Set up the local stack for Reminder pointer
+    ;
+    sub  esp, 8
+    push esp
+
+    ;
+    ; Set up the local stack for Divisor parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Set up the local stack for Dividend parameter
+    ;
+    mov  eax, [esp + 28]
+    push eax
+    mov  eax, [esp + 28]
+    push eax
+
+    ;
+    ; Call native DivU64x64Remainder of BaseLib
+    ;
+    call DivU64x64Remainder
+
+    ;
+    ; Put the Reminder in EDX:EAX as return value
+    ;
+    mov  eax, [esp + 20]
+    mov  edx, [esp + 24]
+
+    ;
+    ; Adjust stack
+    ;
+    add  esp, 28
+
+    ret  16
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c
new file mode 100644
index 000000000000..1cfe781720ac
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c
@@ -0,0 +1,62 @@
+/** @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) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+/*
+ * Shifts a 64-bit unsigned value right by a certain number of bits.
+ */
+__declspec(naked) void __cdecl
+_aullshr (
+  void
+  )
+{
+  _asm {
+    ;
+    ; Checking: Only handle 64bit shifting or more
+    ;
+    cmp     cl, 64
+    jae     _Exit
+
+    ;
+    ; Handle shifting between 0 and 31 bits
+    ;
+    cmp     cl, 32
+    jae     More32
+    shrd    eax, edx, cl
+    shr     edx, cl
+    ret
+
+    ;
+    ; Handle shifting of 32-63 bits
+    ;
+More32:
+    mov     eax, edx
+    xor     edx, edx
+    and     cl, 31
+    shr     eax, cl
+    ret
+
+    ;
+    ; Invalid number (less  then 32bits), return 0
+    ;
+
+_Exit:
+    xor     eax, eax
+    xor     edx, edx
+    ret
+  }
+}
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S
new file mode 100644
index 000000000000..f671d419e1f9
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S
@@ -0,0 +1,68 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the BSD License which accompanies this
+# distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+# Module Name:
+#
+#   MathRShiftU64.S
+#
+# Abstract:
+#
+#   64-bit Math Worker Function.
+#   Shifts a 64-bit unsigned value right by a certain number of bits.
+#
+#------------------------------------------------------------------------------
+
+
+    .686:
+    .code:
+
+ASM_GLOBAL ASM_PFX(__ashrdi3)
+
+#------------------------------------------------------------------------------
+#
+# void __cdecl __ashrdi3 (void)
+#
+#------------------------------------------------------------------------------
+ASM_PFX(__ashrdi3):
+    #
+    # Checking: Only handle 64bit shifting or more
+    #
+    cmpb    $64, %cl
+    jae     _Exit
+
+    #
+    # Handle shifting between 0 and 31 bits
+    #
+    cmpb    $32, %cl
+    jae     More32
+    shrd    %cl, %edx, %eax
+    shr     %cl, %edx
+    ret
+
+    #
+    # Handle shifting of 32-63 bits
+    #
+More32:
+    movl    %edx, %eax
+    xor     %edx, %edx
+    and     $32, %cl
+    shr     %cl, %eax
+    ret
+
+    #
+    # Invalid number (less then 32bits), return 0
+    #
+_Exit:
+    xor     %eax, %eax
+    xor     %edx, %edx
+    ret
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S
new file mode 100644
index 000000000000..c46d4ab82311
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S
@@ -0,0 +1,79 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the BSD License which accompanies this
+# distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+# Module Name:
+#
+#   MathMultS64x64.S
+#
+# Abstract:
+#
+#   64-bit Math Worker Function.
+#   Multiplies a 64-bit signed or unsigned value by a 64-bit signed or unsigned value
+#   and returns a 64-bit result
+#
+#------------------------------------------------------------------------------
+
+    .686:
+    .code:
+
+ASM_GLOBAL ASM_PFX(_mulll), ASM_PFX(MultS64x64)
+
+#------------------------------------------------------------------------------
+#
+# void __cdecl __mulll (void)
+#
+#------------------------------------------------------------------------------
+ASM_PFX(__mulll):
+    # Original local stack when calling __mulll
+    #               -----------------
+    #               |               |
+    #               |---------------|
+    #               |               |
+    #               |--Multiplier --|
+    #               |               |
+    #               |---------------|
+    #               |               |
+    #               |--Multiplicand-|
+    #               |               |
+    #               |---------------|
+    #               |  ReturnAddr** |
+    #       ESP---->|---------------|
+    #
+
+    #
+    # Set up the local stack for Multiplicand parameter
+    #
+    movl    16(%esp), %eax
+    push    %eax
+    movl    16(%esp), %eax
+    push    %eax
+
+    #
+    # Set up the local stack for Multiplier parameter
+    #
+    movl    16(%esp), %eax
+    push    %eax
+    movl    16(%esp), %eax
+    push    %eax
+
+    #
+    # Call native MulS64x64 of BaseLib
+    #
+    jmp     ASM_PFX(MultS64x64)
+
+    #
+    # Adjust stack
+    #
+    add     $16, %esp
+
+    ret     $16
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S
new file mode 100644
index 000000000000..4e5ce03c40e6
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S
@@ -0,0 +1,64 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the BSD License which accompanies this
+# distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+# Module Name:
+#
+#   MathLShiftS64.S
+#
+# Abstract:
+#
+#   64-bit Math Worker Function.
+#   Shifts a 64-bit signed value left by a certain number of bits.
+#
+#------------------------------------------------------------------------------
+
+    .686:
+    .code:
+
+ASM_GLOBAL ASM_PFX(__ashldi3)
+
+#------------------------------------------------------------------------------
+#
+# void __cdecl __ashldi3 (void)
+#
+#------------------------------------------------------------------------------
+ASM_PFX(__ashldi3):
+    #
+    # Handle shifting of 64 or more bits (return 0)
+    #
+    cmpb    $64, %cl
+    jae     ReturnZero
+
+    #
+    # Handle shifting of between 0 and 31 bits
+    #
+    cmpb    $32, %cl
+    jae     More32
+    shld    %cl, %eax, %edx
+    shl     %cl, %eax
+    ret
+
+    #
+    # Handle shifting of between 32 and 63 bits
+    #
+More32:
+    movl    %eax, %edx
+    xor     %eax, %eax
+    and     $31, %cl
+    shl     %cl, %edx
+    ret
+
+ReturnZero:
+    xor     %eax, %eax
+    xor     %edx, %edx
+    ret
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S
new file mode 100644
index 000000000000..7dbae9c438a4
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S
@@ -0,0 +1,85 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the BSD License which accompanies this
+# distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+# Module Name:
+#
+#   MathDivU64x64.S
+#
+# Abstract:
+#
+#   64-bit Math Worker Function.
+#   Divides a 64-bit unsigned value with a 64-bit unsigned value and returns
+#   a 64-bit unsigned result.
+#
+#------------------------------------------------------------------------------
+
+    .686:
+    .code:
+
+ASM_GLOBAL ASM_PFX(__udivdi3), ASM_PFX(DivU64x64Remainder)
+
+#------------------------------------------------------------------------------
+#
+# void __cdecl __udivdi3 (void)
+#
+#------------------------------------------------------------------------------
+ASM_PFX(__udivdi3):
+    # Original local stack when calling __udivdi3
+    #               -----------------
+    #               |               |
+    #               |---------------|
+    #               |               |
+    #               |--  Divisor  --|
+    #               |               |
+    #               |---------------|
+    #               |               |
+    #               |--  Dividend --|
+    #               |               |
+    #               |---------------|
+    #               |  ReturnAddr** |
+    #       ESP---->|---------------|
+    #
+
+    #
+    # Set up the local stack for NULL Reminder pointer
+    #
+    xorl    %eax, %eax
+    push    %eax
+
+    #
+    # Set up the local stack for Divisor parameter
+    #
+    movl    20(%esp), %eax
+    push    %eax
+    movl    20(%esp), %eax
+    push    %eax
+
+    #
+    # Set up the local stack for Dividend parameter
+    #
+    movl    20(%esp), %eax
+    push    %eax
+    movl    20(%esp), %eax
+    push    %eax
+
+    #
+    # Call native DivU64x64Remainder of BaseLib
+    #
+    jmp     ASM_PFX(DivU64x64Remainder)
+
+    #
+    # Adjust stack
+    #
+    addl    $20, %esp
+
+    ret     $16
diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S
new file mode 100644
index 000000000000..6907eaabccc7
--- /dev/null
+++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S
@@ -0,0 +1,91 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the BSD License which accompanies this
+# distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+# Module Name:
+#
+#   MathReminderU64x64.S
+#
+# Abstract:
+#
+#   64-bit Math Worker Function.
+#   Divides a 64-bit unsigned value by another 64-bit unsigned value and returns
+#   the 64-bit unsigned remainder
+#
+#------------------------------------------------------------------------------
+
+    .686:
+    .code:
+
+ASM_GLOBAL ASM_PFX(__umoddi3), ASM_PFX(DivU64x64Remainder)
+
+#------------------------------------------------------------------------------
+#
+# void __cdecl __umoddi3 (void)
+#
+#------------------------------------------------------------------------------
+ASM_PFX(__umoddi3):
+    # Original local stack when calling __umoddi3
+    #               -----------------
+    #               |               |
+    #               |---------------|
+    #               |               |
+    #               |--  Divisor  --|
+    #               |               |
+    #               |---------------|
+    #               |               |
+    #               |--  Dividend --|
+    #               |               |
+    #               |---------------|
+    #               |  ReturnAddr** |
+    #       ESP---->|---------------|
+    #
+
+    #
+    # Set up the local stack for Reminder pointer
+    #
+    sub     $8, %esp
+    push    %esp
+
+    #
+    # Set up the local stack for Divisor parameter
+    #
+    movl    28(%esp), %eax
+    push    %eax
+    movl    28(%esp), %eax
+    push    %eax
+
+    #
+    # Set up the local stack for Dividend parameter
+    #
+    movl    28(%esp), %eax
+    push    %eax
+    movl    28(%esp), %eax
+    push    %eax
+
+    #
+    # Call native DivU64x64Remainder of BaseLib
+    #
+    jmp     ASM_PFX(DivU64x64Remainder)
+
+    #
+    # Put the Reminder in EDX:EAX as return value
+    #
+    movl    20(%esp), %eax
+    movl    24(%esp), %edx
+
+    #
+    # Adjust stack
+    #
+    add     $28, %esp
+
+    ret     $16
-- 
2.36.1