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/ultrasparct1/submul_1.asm | 86 +++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 gmp-6.3.0/mpn/sparc64/ultrasparct1/submul_1.asm

(limited to 'gmp-6.3.0/mpn/sparc64/ultrasparct1/submul_1.asm')

diff --git a/gmp-6.3.0/mpn/sparc64/ultrasparct1/submul_1.asm b/gmp-6.3.0/mpn/sparc64/ultrasparct1/submul_1.asm
new file mode 100644
index 0000000..4f553a8
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc64/ultrasparct1/submul_1.asm
@@ -0,0 +1,86 @@
+dnl  SPARC v9 mpn_submul_1 for T1/T2.
+
+dnl  Copyright 2010 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 T1:	74
+C UltraSPARC T2:	 ?
+
+C INPUT PARAMETERS
+define(`rp', `%i0')
+define(`up', `%i1')
+define(`n',  `%i2')
+define(`v0', `%i3')
+
+ASM_START()
+	REGISTER(%g2,#scratch)
+	REGISTER(%g3,#scratch)
+PROLOGUE(mpn_submul_1)
+	save	%sp, -176, %sp
+	mov	1, %o2
+	mov	%i0, %g2
+	srlx	%i3, 32, %o4
+	sllx	%o2, 32, %o2
+	srl	%i3, 0, %i3
+	mov	0, %g3
+	mov	0, %i0
+
+L(top):	ldx	[%i1+%g3], %g1
+	srl	%g1, 0, %g4
+	mulx	%g4, %i3, %o5
+	srlx	%g1, 32, %g1
+	mulx	%g1, %i3, %g5
+	mulx	%g4, %o4, %g4
+	mulx	%g1, %o4, %g1
+	srlx	%o5, 32, %o1
+	add	%g5, %o1, %o1
+	addcc	%o1, %g4, %g4
+	srl	%o5, 0, %o0
+	ldx	[%g2+%g3], %o5
+	sllx	%g4, 32, %o1
+	add	%g1, %o2, %l1
+	movlu	%xcc, %l1, %g1
+	add	%o1, %o0, %l0
+	addcc	%l0, %i0, %g5
+	srlx	%g4, 32, %i0
+	add	%i0, 1, %g4
+	movlu	%xcc, %g4, %i0
+	subcc	%o5, %g5, %g5
+	stx	%g5, [%g2+%g3]
+	add	%i0, 1, %g4
+	movlu	%xcc, %g4, %i0
+	add	%i2, -1, %i2
+	add	%i0, %g1, %i0
+	brnz,pt	%i2, L(top)
+	 add	%g3, 8, %g3
+	return	%i7+8
+	 nop
+EPILOGUE()
-- 
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