Revert "Remove gmp from AOS"
This reverts commit f37c97684f0910a3f241394549392f00145ab0f7.
We need gmp for SymEngine for symbolicmanipultion in C++
Change-Id: Ia13216d1715cf96944f7b4f422b7a799f921d4a4
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/third_party/gmp/mpn/arm/com.asm b/third_party/gmp/mpn/arm/com.asm
new file mode 100644
index 0000000..850b10a
--- /dev/null
+++ b/third_party/gmp/mpn/arm/com.asm
@@ -0,0 +1,75 @@
+dnl ARM mpn_com.
+
+dnl Copyright 2003, 2012 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 StrongARM ?
+C XScale ?
+C Cortex-A7 ?
+C Cortex-A8 ?
+C Cortex-A9 2.0
+C Cortex-A15 1.75
+
+define(`rp', `r0')
+define(`up', `r1')
+define(`n', `r2')
+
+ASM_START()
+PROLOGUE(mpn_com)
+ tst n, #1
+ beq L(skip1)
+ ldr r3, [up], #4
+ mvn r3, r3
+ str r3, [rp], #4
+L(skip1):
+ tst n, #2
+ beq L(skip2)
+ ldmia up!, { r3, r12 } C load 2 limbs
+ mvn r3, r3
+ mvn r12, r12
+ stmia rp!, { r3, r12 } C store 2 limbs
+L(skip2):
+ bics n, n, #3
+ beq L(rtn)
+ stmfd sp!, { r7, r8, r9 } C save regs on stack
+
+L(top): ldmia up!, { r3, r8, r9, r12 } C load 4 limbs
+ subs n, n, #4
+ mvn r3, r3
+ mvn r8, r8
+ mvn r9, r9
+ mvn r12, r12
+ stmia rp!, { r3, r8, r9, r12 } C store 4 limbs
+ bne L(top)
+
+ ldmfd sp!, { r7, r8, r9 } C restore regs from stack
+L(rtn): return lr
+EPILOGUE()