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diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/sparc64/ultrasparct3/missing.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/sparc64/ultrasparct3/missing.asm
new file mode 100644
index 00000000000..c79032dd388
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/sparc64/ultrasparct3/missing.asm
@@ -0,0 +1,77 @@
+dnl SPARC v9-2011 simulation support.
+
+dnl Contributed to the GNU project by Torbjörn Granlund.
+
+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')
+
+ASM_START()
+PROLOGUE(__gmpn_umulh)
+ save %sp, -176, %sp
+ ldx [%sp+2047+176+256], %o0
+ ldx [%sp+2047+176+256+8], %o1
+ rd %ccr, %o4
+ srl %o0, 0, %l4
+ srl %o1, 0, %l1
+ srlx %o1, 32, %o1
+ mulx %o1, %l4, %l2
+ srlx %o0, 32, %o0
+ mulx %o0, %l1, %l3
+ mulx %l1, %l4, %l1
+ srlx %l1, 32, %l1
+ add %l2, %l1, %l2
+ addcc %l2, %l3, %l2
+ mulx %o1, %o0, %o1
+ mov 0, %l1
+ movcs %xcc, 1, %l1
+ sllx %l1, 32, %l1
+ add %o1, %l1, %o1
+ srlx %l2, 32, %o0
+ add %o1, %o0, %o0
+ stx %o0, [%sp+2047+176+256]
+ wr %o4, 0, %ccr
+ ret
+ restore
+EPILOGUE()
+
+PROLOGUE(__gmpn_lzcnt)
+ save %sp, -176, %sp
+ ldx [%sp+2047+176+256], %o0
+ brz,a %o0, 2f
+ mov 64, %o1
+ brlz %o0, 2f
+ mov 0, %o1
+1: sllx %o0, 1, %o0
+ brgz %o0, 1b
+ add %o1, 1, %o1
+ stx %o1, [%sp+2047+176+256]
+2: ret
+ restore
+EPILOGUE()