Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/mpn/x86/umul.asm b/third_party/gmp/mpn/x86/umul.asm
new file mode 100644
index 0000000..34fe434
--- /dev/null
+++ b/third_party/gmp/mpn/x86/umul.asm
@@ -0,0 +1,51 @@
+dnl mpn_umul_ppmm -- 1x1->2 limb multiplication
+
+dnl Copyright 1999, 2000, 2002 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 mp_limb_t mpn_umul_ppmm (mp_limb_t *lowptr, mp_limb_t m1, mp_limb_t m2);
+C
+
+defframe(PARAM_M2, 12)
+defframe(PARAM_M1, 8)
+defframe(PARAM_LOWPTR, 4)
+
+ TEXT
+ ALIGN(8)
+PROLOGUE(mpn_umul_ppmm)
+deflit(`FRAME',0)
+ movl PARAM_LOWPTR, %ecx
+ movl PARAM_M1, %eax
+ mull PARAM_M2
+ movl %eax, (%ecx)
+ movl %edx, %eax
+ ret
+EPILOGUE()