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diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/core2/rshift.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/core2/rshift.asm
new file mode 100644
index 00000000000..ab32ec85dff
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/core2/rshift.asm
@@ -0,0 +1,147 @@
+dnl x86-64 mpn_rshift optimized for "Core 2".
+
+dnl Copyright 2007, 2009, 2011, 2012 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+
+C cycles/limb
+C AMD K8,K9 4.25
+C AMD K10 4.25
+C Intel P4 14.7
+C Intel core2 1.27
+C Intel NHM 1.375 (up to about n = 260, then 1.5)
+C Intel SBR 1.77
+C Intel atom ?
+C VIA nano ?
+
+
+C INPUT PARAMETERS
+define(`rp', `%rdi')
+define(`up', `%rsi')
+define(`n', `%rdx')
+define(`cnt', `%rcx')
+
+ABI_SUPPORT(DOS64)
+ABI_SUPPORT(STD64)
+
+ASM_START()
+ TEXT
+ ALIGN(16)
+PROLOGUE(mpn_rshift)
+ FUNC_ENTRY(4)
+ mov R32(%rdx), R32(%rax)
+ and $3, R32(%rax)
+ jne L(nb00)
+L(b00): C n = 4, 8, 12, ...
+ mov (up), %r10
+ mov 8(up), %r11
+ xor R32(%rax), R32(%rax)
+ shrd R8(cnt), %r10, %rax
+ mov 16(up), %r8
+ lea 8(up), up
+ lea -24(rp), rp
+ sub $4, n
+ jmp L(00)
+
+L(nb00):C n = 1, 5, 9, ...
+ cmp $2, R32(%rax)
+ jae L(nb01)
+L(b01): mov (up), %r9
+ xor R32(%rax), R32(%rax)
+ shrd R8(cnt), %r9, %rax
+ sub $2, n
+ jb L(le1)
+ mov 8(up), %r10
+ mov 16(up), %r11
+ lea 16(up), up
+ lea -16(rp), rp
+ jmp L(01)
+L(le1): shr R8(cnt), %r9
+ mov %r9, (rp)
+ FUNC_EXIT()
+ ret
+
+L(nb01):C n = 2, 6, 10, ...
+ jne L(b11)
+L(b10): mov (up), %r8
+ mov 8(up), %r9
+ xor R32(%rax), R32(%rax)
+ shrd R8(cnt), %r8, %rax
+ sub $3, n
+ jb L(le2)
+ mov 16(up), %r10
+ lea 24(up), up
+ lea -8(rp), rp
+ jmp L(10)
+L(le2): shrd R8(cnt), %r9, %r8
+ mov %r8, (rp)
+ shr R8(cnt), %r9
+ mov %r9, 8(rp)
+ FUNC_EXIT()
+ ret
+
+ ALIGN(16)
+L(b11): C n = 3, 7, 11, ...
+ mov (up), %r11
+ mov 8(up), %r8
+ xor R32(%rax), R32(%rax)
+ shrd R8(cnt), %r11, %rax
+ mov 16(up), %r9
+ lea 32(up), up
+ sub $4, n
+ jb L(end)
+
+ ALIGN(16)
+L(top): shrd R8(cnt), %r8, %r11
+ mov -8(up), %r10
+ mov %r11, (rp)
+L(10): shrd R8(cnt), %r9, %r8
+ mov (up), %r11
+ mov %r8, 8(rp)
+L(01): shrd R8(cnt), %r10, %r9
+ mov 8(up), %r8
+ mov %r9, 16(rp)
+L(00): shrd R8(cnt), %r11, %r10
+ mov 16(up), %r9
+ mov %r10, 24(rp)
+ add $32, up
+ lea 32(rp), rp
+ sub $4, n
+ jnc L(top)
+
+L(end): shrd R8(cnt), %r8, %r11
+ mov %r11, (rp)
+ shrd R8(cnt), %r9, %r8
+ mov %r8, 8(rp)
+ shr R8(cnt), %r9
+ mov %r9, 16(rp)
+ FUNC_EXIT()
+ ret
+EPILOGUE()