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diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/cnd_aors_n.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/cnd_aors_n.asm
new file mode 100644
index 00000000000..74f4917ecc4
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/cnd_aors_n.asm
@@ -0,0 +1,124 @@
+dnl X86 mpn_cnd_add_n, mpn_cnd_sub_n
+
+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) 5.4
+C P4 model 0-1 (Willamette) ?
+C P4 model 2 (Northwood) 14.5
+C P4 model 3-4 (Prescott) 21
+C Intel atom 11
+C AMD K6 ?
+C AMD K7 3.4
+C AMD K8 ?
+
+
+define(`rp', `%edi')
+define(`up', `%esi')
+define(`vp', `%ebp')
+define(`n', `%ecx')
+define(`cnd', `20(%esp)')
+define(`cy', `%edx')
+
+ifdef(`OPERATION_cnd_add_n', `
+ define(ADDSUB, add)
+ define(ADCSBB, adc)
+ define(func, mpn_cnd_add_n)')
+ifdef(`OPERATION_cnd_sub_n', `
+ define(ADDSUB, sub)
+ define(ADCSBB, sbb)
+ define(func, mpn_cnd_sub_n)')
+
+MULFUNC_PROLOGUE(mpn_cnd_add_n mpn_cnd_sub_n)
+
+ASM_START()
+ TEXT
+ ALIGN(16)
+PROLOGUE(func)
+ add $-16, %esp
+ mov %ebp, (%esp)
+ mov %ebx, 4(%esp)
+ mov %esi, 8(%esp)
+ mov %edi, 12(%esp)
+
+ C make cnd into a full mask
+ mov cnd, %eax
+ neg %eax
+ sbb %eax, %eax
+ mov %eax, cnd
+
+ C load parameters into registers
+ mov 24(%esp), rp
+ mov 28(%esp), up
+ mov 32(%esp), vp
+ mov 36(%esp), n
+
+ mov (vp), %eax
+ mov (up), %ebx
+
+ C put operand pointers just beyond their last limb
+ lea (vp,n,4), vp
+ lea (up,n,4), up
+ lea -4(rp,n,4), rp
+ neg n
+
+ and cnd, %eax
+ ADDSUB %eax, %ebx
+ sbb cy, cy
+ inc n
+ je L(end)
+
+ ALIGN(16)
+L(top): mov (vp,n,4), %eax
+ and cnd, %eax
+ mov %ebx, (rp,n,4)
+ mov (up,n,4), %ebx
+ add cy, cy
+ ADCSBB %eax, %ebx
+ sbb cy, cy
+ inc n
+ jne L(top)
+
+L(end): mov %ebx, (rp)
+ xor %eax, %eax
+ sub cy, %eax
+
+ mov (%esp), %ebp
+ mov 4(%esp), %ebx
+ mov 8(%esp), %esi
+ mov 12(%esp), %edi
+ add $16, %esp
+ ret
+EPILOGUE()
+ASM_END()