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/sparc64/copyd.asm | 89 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 gmp-6.3.0/mpn/sparc64/copyd.asm

(limited to 'gmp-6.3.0/mpn/sparc64/copyd.asm')

diff --git a/gmp-6.3.0/mpn/sparc64/copyd.asm b/gmp-6.3.0/mpn/sparc64/copyd.asm
new file mode 100644
index 0000000..ab105d3
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc64/copyd.asm
@@ -0,0 +1,89 @@
+dnl  SPARC v9 mpn_copyd -- Copy a limb vector, decrementing.
+
+dnl  Copyright 1999-2003 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 UltraSPARC 1&2:	 2
+C UltraSPARC 3:		 2.5
+C UltraSPARC T1:	17
+C UltraSPARC T3:	 6
+C UltraSPARC T4/T5:	 2
+
+C INPUT PARAMETERS
+C rptr	%o0
+C sptr	%o1
+C n	%o2
+
+ASM_START()
+	REGISTER(%g2,#scratch)
+	REGISTER(%g3,#scratch)
+PROLOGUE(mpn_copyd)
+	sllx	%o2,3,%g1
+	add	%g1,%o0,%o0
+	add	%g1,%o1,%o1
+	addcc	%o2,-8,%o2
+	bl,pt	%xcc,L(end01234567)
+	nop
+L(loop1):
+	ldx	[%o1-8],%g1
+	ldx	[%o1-16],%g2
+	ldx	[%o1-24],%g3
+	ldx	[%o1-32],%g4
+	ldx	[%o1-40],%g5
+	ldx	[%o1-48],%o3
+	ldx	[%o1-56],%o4
+	ldx	[%o1-64],%o5
+	add	%o1,-64,%o1
+	stx	%g1,[%o0-8]
+	stx	%g2,[%o0-16]
+	stx	%g3,[%o0-24]
+	stx	%g4,[%o0-32]
+	stx	%g5,[%o0-40]
+	stx	%o3,[%o0-48]
+	stx	%o4,[%o0-56]
+	stx	%o5,[%o0-64]
+	addcc	%o2,-8,%o2
+	bge,pt	%xcc,L(loop1)
+	add	%o0,-64,%o0
+L(end01234567):
+	addcc	%o2,8,%o2
+	bz,pn	%xcc,L(end)
+	nop
+L(loop2):
+	ldx	[%o1-8],%g1
+	add	%o1,-8,%o1
+	addcc	%o2,-1,%o2
+	stx	%g1,[%o0-8]
+	bg,pt	%xcc,L(loop2)
+	add	%o0,-8,%o0
+L(end):	retl
+	nop
+EPILOGUE(mpn_copyd)
-- 
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