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diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/atom/cnd_add_n.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/atom/cnd_add_n.asm
new file mode 100644
index 00000000000..50bf2ad64b8
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/atom/cnd_add_n.asm
@@ -0,0 +1,113 @@
+dnl X86 mpn_cnd_add_n optimised for Intel Atom.
+
+dnl Copyright 2013 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 P5 ?
+C P6 model 0-8,10-12 ?
+C P6 model 9 (Banias) ?
+C P6 model 13 (Dothan) ?
+C P4 model 0-1 (Willamette) ?
+C P4 model 2 (Northwood) ?
+C P4 model 3-4 (Prescott) ?
+C Intel atom 4.67
+C AMD K6 ?
+C AMD K7 ?
+C AMD K8 ?
+
+
+define(`rp', `%edi')
+define(`up', `%esi')
+define(`vp', `%ebp')
+define(`n', `%ecx')
+define(`cnd', `20(%esp)')
+
+ASM_START()
+ TEXT
+ ALIGN(16)
+PROLOGUE(mpn_cnd_add_n)
+ push %edi
+ push %esi
+ push %ebx
+ push %ebp
+
+ mov cnd, %eax C make cnd into a mask (1)
+ mov 24(%esp), rp
+ neg %eax C make cnd into a mask (1)
+ mov 28(%esp), up
+ sbb %eax, %eax C make cnd into a mask (1)
+ mov 32(%esp), vp
+ mov %eax, cnd C make cnd into a mask (1)
+ mov 36(%esp), n
+
+ xor %edx, %edx
+
+ shr $1, n
+ jnc L(top)
+
+ mov 0(vp), %eax
+ and cnd, %eax
+ lea 4(vp), vp
+ add 0(up), %eax
+ lea 4(rp), rp
+ lea 4(up), up
+ sbb %edx, %edx
+ mov %eax, -4(rp)
+ inc n
+ dec n
+ je L(end)
+
+L(top): sbb %edx, %edx
+ mov 0(vp), %eax
+ and cnd, %eax
+ lea 8(vp), vp
+ lea 8(rp), rp
+ mov -4(vp), %ebx
+ and cnd, %ebx
+ add %edx, %edx
+ adc 0(up), %eax
+ lea 8(up), up
+ mov %eax, -8(rp)
+ adc -4(up), %ebx
+ dec n
+ mov %ebx, -4(rp)
+ jne L(top)
+
+L(end): mov $0, %eax
+ adc %eax, %eax
+
+ pop %ebp
+ pop %ebx
+ pop %esi
+ pop %edi
+ ret
+EPILOGUE()
+ASM_END()