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/ultrasparct3/mul_1.asm | 174 +++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 gmp-6.3.0/mpn/sparc64/ultrasparct3/mul_1.asm

(limited to 'gmp-6.3.0/mpn/sparc64/ultrasparct3/mul_1.asm')

diff --git a/gmp-6.3.0/mpn/sparc64/ultrasparct3/mul_1.asm b/gmp-6.3.0/mpn/sparc64/ultrasparct3/mul_1.asm
new file mode 100644
index 0000000..af05d62
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc64/ultrasparct3/mul_1.asm
@@ -0,0 +1,174 @@
+dnl  SPARC v9 mpn_mul_1 for T3/T4/T5.
+
+dnl  Contributed to the GNU project by David Miller and Torbjörn Granlund.
+
+dnl  Copyright 2013 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 T3:	23
+C UltraSPARC T4:	 3
+
+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_mul_1)
+	save	%sp, -176, %sp
+
+	and	n, 3, %g5
+	add	n, -4, n
+	brz	%g5, L(b0)
+	 cmp	%g5, 2
+	bcs	%xcc, L(b1)
+	 nop
+	be	%xcc, L(b2)
+	 nop
+
+L(b3):	addcc	%g0, %g0, %i5
+	ldx	[up+0], %l0
+	ldx	[up+8], %l1
+	ldx	[up+16], %l2
+	mulx	%l0, v0, %o0
+	umulxhi(%l0, v0, %o1)
+	brgz	n, L(gt3)
+	 add	rp, -8, rp
+	mulx	%l1, v0, %o2
+	umulxhi(%l1, v0, %o3)
+	b	L(wd3)
+	 nop
+L(gt3):	ldx	[up+24], %l3
+	mulx	%l1, v0, %o2
+	umulxhi(%l1, v0, %o3)
+	add	up, 24, up
+	b	L(lo3)
+	 add	n, -3, n
+
+L(b2):	addcc	%g0, %g0, %o1
+	ldx	[up+0], %l1
+	ldx	[up+8], %l2
+	brgz	n, L(gt2)
+	 add	rp, -16, rp
+	mulx	%l1, v0, %o2
+	umulxhi(%l1, v0, %o3)
+	mulx	%l2, v0, %o4
+	umulxhi(%l2, v0, %o5)
+	b	L(wd2)
+	 nop
+L(gt2):	ldx	[up+16], %l3
+	mulx	%l1, v0, %o2
+	umulxhi(%l1, v0, %o3)
+	ldx	[up+24], %l0
+	mulx	%l2, v0, %o4
+	umulxhi(%l2, v0, %o5)
+	add	up, 16, up
+	b	L(lo2)
+	 add	n, -2, n
+
+L(b1):	addcc	%g0, %g0, %o3
+	ldx	[up+0], %l2
+	brgz	n, L(gt1)
+	nop
+	mulx	%l2, v0, %o4
+	stx	%o4, [rp+0]
+	umulxhi(%l2, v0, %i0)
+	ret
+	 restore
+L(gt1):	ldx	[up+8], %l3
+	ldx	[up+16], %l0
+	mulx	%l2, v0, %o4
+	umulxhi(%l2, v0, %o5)
+	ldx	[up+24], %l1
+	mulx	%l3, v0, %i4
+	umulxhi(%l3, v0, %i5)
+	add	rp, -24, rp
+	add	up, 8, up
+	b	L(lo1)
+	 add	n, -1, n
+
+L(b0):	addcc	%g0, %g0, %o5
+	ldx	[up+0], %l3
+	ldx	[up+8], %l0
+	ldx	[up+16], %l1
+	mulx	%l3, v0, %i4
+	umulxhi(%l3, v0, %i5)
+	ldx	[up+24], %l2
+	mulx	%l0, v0, %o0
+	umulxhi(%l0, v0, %o1)
+	b	L(lo0)
+	 nop
+
+	ALIGN(16)
+L(top):	ldx	[up+0], %l3	C 0
+	addxccc(%i4, %o5, %i4)	C 0
+	mulx	%l1, v0, %o2	C 1
+	stx	%i4, [rp+0]	C 1
+	umulxhi(%l1, v0, %o3)	C 2
+L(lo3):	ldx	[up+8], %l0	C 2
+	addxccc(%o0, %i5, %o0)	C 3
+	mulx	%l2, v0, %o4	C 3
+	stx	%o0, [rp+8]	C 4
+	umulxhi(%l2, v0, %o5)	C 4
+L(lo2):	ldx	[up+16], %l1	C 5
+	addxccc(%o2, %o1, %o2)	C 5
+	mulx	%l3, v0, %i4	C 6
+	stx	%o2, [rp+16]	C 6
+	umulxhi(%l3, v0, %i5)	C 7
+L(lo1):	ldx	[up+24], %l2	C 7
+	addxccc(%o4, %o3, %o4)	C 8
+	mulx	%l0, v0, %o0	C 8
+	stx	%o4, [rp+24]	C 9
+	umulxhi(%l0, v0, %o1)	C 9
+	add	rp, 32, rp	C 10
+L(lo0):	add	up, 32, up	C 10
+	brgz	n, L(top)	C 11
+	 add	n, -4, n	C 11
+
+L(end):	addxccc(%i4, %o5, %i4)
+	mulx	%l1, v0, %o2
+	stx	%i4, [rp+0]
+	umulxhi(%l1, v0, %o3)
+	addxccc(%o0, %i5, %o0)
+L(wd3):	mulx	%l2, v0, %o4
+	stx	%o0, [rp+8]
+	umulxhi(%l2, v0, %o5)
+	addxccc(%o2, %o1, %o2)
+L(wd2):	stx	%o2, [rp+16]
+	addxccc(%o4, %o3, %o4)
+	stx	%o4, [rp+24]
+	addxc(	%g0, %o5, %i0)
+	ret
+	 restore
+EPILOGUE()
-- 
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