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diff --git a/Build/source/libs/gmp/gmp-src/mpn/arm64/darwin.m4 b/Build/source/libs/gmp/gmp-src/mpn/arm64/darwin.m4
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+divert(-1)
+
+dnl m4 macros for ARM64 Darwin assembler.
+
+dnl Copyright 2020 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/.
+
+
+dnl Standard commenting is with @, the default m4 # is for constants and we
+dnl don't want to disable macro expansions in or after them.
+
+changecom
+
+
+dnl LEA_HI(reg,gmp_symbol), LEA_LO(reg,gmp_symbol)
+dnl
+dnl Load the address of gmp_symbol into a register. We split this into two
+dnl parts to allow separation for manual insn scheduling. TODO: Darwin allows
+dnl for relaxing these two insns into an adr and a nop, but that requires the
+dnl .loh pseudo for connecting them.
+
+define(`LEA_HI',`adrp $1, $2@GOTPAGE')dnl
+define(`LEA_LO',`ldr $1, [$1, $2@GOTPAGEOFF]')dnl
+
+divert`'dnl