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/s390_64/z13/hamdist.asm | 76 +++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 gmp-6.3.0/mpn/s390_64/z13/hamdist.asm

(limited to 'gmp-6.3.0/mpn/s390_64/z13/hamdist.asm')

diff --git a/gmp-6.3.0/mpn/s390_64/z13/hamdist.asm b/gmp-6.3.0/mpn/s390_64/z13/hamdist.asm
new file mode 100644
index 0000000..81c5174
--- /dev/null
+++ b/gmp-6.3.0/mpn/s390_64/z13/hamdist.asm
@@ -0,0 +1,76 @@
+dnl  S/390-64 mpn_hamdist
+
+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            cycles/limb
+C z900		 -
+C z990		 -
+C z9		 -
+C z10		 -
+C z196		 -
+C z12		 ?
+C z13		 ?
+C z14		 ?
+C z15		 ?
+
+define(`ap',	`%r2')
+define(`bp',	`%r3')
+define(`n',	`%r4')
+
+ASM_START()
+PROLOGUE(mpn_hamdist)
+	vzero	%v30
+	tmll	n, 1
+	srlg	n, n, 1
+	je	L(top)
+
+L(odd):	vllezg	%v16, 0(ap)
+	vllezg	%v17, 0(bp)
+	vx	%v16, %v16, %v17
+	vpopct	%v30, %v16, 3
+	la	ap, 8(ap)
+	la	bp, 8(bp)
+	clgije	n, 0, L(end)
+
+L(top):	vl	%v16, 0(ap), 3
+	vl	%v17, 0(bp), 3
+	vx	%v16, %v16, %v17
+	vpopct	%v20, %v16, 3
+	vag	%v30, %v30, %v20
+	la	ap, 16(ap)
+	la	bp, 16(bp)
+	brctg	n, L(top)
+
+L(end):	vzero	%v29
+	vsumqg	%v30, %v30, %v29
+	vlgvg	%r2, %v30, 1(%r0)
+	br	%r14
+EPILOGUE()
-- 
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