From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001
From: Duncan Wilkie <antigravityd@gmail.com>
Date: Sat, 18 Nov 2023 06:11:09 -0600
Subject: Initial commit.

---
 gmp-6.3.0/mpn/loongarch/64/add_n.asm | 64 ++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 gmp-6.3.0/mpn/loongarch/64/add_n.asm

(limited to 'gmp-6.3.0/mpn/loongarch/64/add_n.asm')

diff --git a/gmp-6.3.0/mpn/loongarch/64/add_n.asm b/gmp-6.3.0/mpn/loongarch/64/add_n.asm
new file mode 100644
index 0000000..e0832a0
--- /dev/null
+++ b/gmp-6.3.0/mpn/loongarch/64/add_n.asm
@@ -0,0 +1,64 @@
+dnl  Loongarch mpn_add_n
+
+dnl  Contributed to the GNU project by Torbjorn Granlund.
+
+dnl  Copyright 2023 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 INPUT PARAMETERS
+define(`rp_arg',`$r4')
+define(`ap',	`$r5')
+define(`bp',	`$r6')
+define(`n',	`$r7')
+
+define(`rp',	`$r8')
+
+ASM_START()
+PROLOGUE(mpn_add_n)
+	alsl.d	rp, n, rp_arg, 3
+	alsl.d	ap, n, ap, 3
+	alsl.d	bp, n, bp, 3
+	sub.d	n, $r0, n
+	slli.d	n, n, 3
+	or	$r4, $r0, $r0
+
+L(top):	ldx.d	$r14, ap, n
+	ldx.d	$r13, bp, n
+	add.d	$r12, $r14, $r13
+	sltu	$r15, $r12, $r13	C cy0
+	add.d	$r14, $r12, $r4
+	sltu	$r16, $r14, $r4		C cy1 set iff r4=1 & r12=111...1
+	stx.d	$r14, rp, n
+	addi.d	n, n, 8
+	or	$r4, $r15, $r16
+	bnez	n, L(top)
+
+	jr	$r1
+EPILOGUE()
-- 
cgit v1.2.3