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diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/pentium4/sse2/cnd_sub_n.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/pentium4/sse2/cnd_sub_n.asm
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index 00000000000..339a23e0b6e
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+++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86/pentium4/sse2/cnd_sub_n.asm
@@ -0,0 +1,114 @@
+dnl Intel Pentium-4 mpn_cnd_sub_n -- mpn subtraction.
+
+dnl Copyright 2001, 2002, 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 P6 model 0-8,10-12 -
+C P6 model 9 (Banias) ?
+C P6 model 13 (Dothan) 4.67
+C P4 model 0-1 (Willamette) ?
+C P4 model 2 (Northwood) 5
+C P4 model 3-4 (Prescott) 5.25
+
+defframe(PARAM_SIZE, 20)
+defframe(PARAM_SRC2, 16)
+defframe(PARAM_SRC1, 12)
+defframe(PARAM_DST, 8)
+defframe(PARAM_CND, 4)
+
+dnl re-use parameter space
+define(SAVE_EBX,`PARAM_SRC1')
+
+define(`cnd', `%mm3')
+
+ TEXT
+ ALIGN(8)
+
+ ALIGN(8)
+PROLOGUE(mpn_cnd_sub_n)
+deflit(`FRAME',0)
+ pxor %mm0, %mm0
+
+ mov PARAM_CND, %eax
+ neg %eax
+ sbb %eax, %eax
+ movd %eax, cnd
+
+ mov PARAM_SRC1, %eax
+ mov %ebx, SAVE_EBX
+ mov PARAM_SRC2, %ebx
+ mov PARAM_DST, %edx
+ mov PARAM_SIZE, %ecx
+
+ lea (%eax,%ecx,4), %eax C src1 end
+ lea (%ebx,%ecx,4), %ebx C src2 end
+ lea (%edx,%ecx,4), %edx C dst end
+ neg %ecx C -size
+
+L(top): movd (%ebx,%ecx,4), %mm2
+ movd (%eax,%ecx,4), %mm1
+ pand cnd, %mm2
+ psubq %mm2, %mm1
+
+ psubq %mm0, %mm1
+ movd %mm1, (%edx,%ecx,4)
+
+ psrlq $63, %mm1
+
+ add $1, %ecx
+ jz L(done_mm1)
+
+ movd (%ebx,%ecx,4), %mm2
+ movd (%eax,%ecx,4), %mm0
+ pand cnd, %mm2
+ psubq %mm2, %mm0
+
+ psubq %mm1, %mm0
+ movd %mm0, (%edx,%ecx,4)
+
+ psrlq $63, %mm0
+
+ add $1, %ecx
+ jnz L(top)
+
+ movd %mm0, %eax
+ mov SAVE_EBX, %ebx
+ emms
+ ret
+
+L(done_mm1):
+ movd %mm1, %eax
+ mov SAVE_EBX, %ebx
+ emms
+ ret
+
+EPILOGUE()