[Gmp-commit] /var/hg/gmp: 2 new changesets

mercurial at gmplib.org mercurial at gmplib.org
Wed Feb 15 22:25:24 UTC 2017


details:   /var/hg/gmp/rev/aa151d8cbae2
changeset: 17270:aa151d8cbae2
user:      Torbjorn Granlund <tg at gmplib.org>
date:      Wed Feb 15 23:23:18 2017 +0100
description:
Grab coreisbr/popcount.asm.

details:   /var/hg/gmp/rev/65c543170956
changeset: 17271:65c543170956
user:      Torbjorn Granlund <tg at gmplib.org>
date:      Wed Feb 15 23:23:41 2017 +0100
description:
New file, based on k10 code.

diffstat:

 mpn/x86_64/silvermont/hamdist.asm  |  109 +++++++++++++++++++++++++++++++++++++
 mpn/x86_64/silvermont/popcount.asm |   38 ++++++++++++
 2 files changed, 147 insertions(+), 0 deletions(-)

diffs (155 lines):

diff -r 5d87c53eeade -r 65c543170956 mpn/x86_64/silvermont/hamdist.asm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpn/x86_64/silvermont/hamdist.asm	Wed Feb 15 23:23:41 2017 +0100
@@ -0,0 +1,109 @@
+dnl  AMD64 mpn_hamdist -- hamming distance.
+
+dnl  Copyright 2008, 2010-2012, 2017 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 AMD K8,K9
+C AMD K10
+C AMD bull
+C AMD pile
+C AMD steam
+C AMD excavator
+C AMD bobcat
+C AMD jaguar
+C Intel P4
+C Intel core2
+C Intel NHM
+C Intel SBR
+C Intel IBR
+C Intel HWL
+C Intel BWL
+C Intel SKL
+C Intel atom
+C Intel SLM	 2.7
+C VIA nano
+
+define(`ap',		`%rdi')
+define(`bp',		`%rsi')
+define(`n',		`%rdx')
+
+ABI_SUPPORT(DOS64)
+ABI_SUPPORT(STD64)
+
+ASM_START()
+	TEXT
+	ALIGN(16)
+PROLOGUE(mpn_hamdist)
+	FUNC_ENTRY(3)
+	mov	(ap), %r8
+	xor	(bp), %r8
+
+	lea	(ap,n,8), ap			C point at A operand end
+	lea	(bp,n,8), bp			C point at B operand end
+	neg	n
+
+	test	$1, R8(n)
+	jz	L(2)
+
+L(1):	.byte	0xf3,0x49,0x0f,0xb8,0xc0	C popcnt %r8, %rax
+	xor	R32(%r10), R32(%r10)
+	add	$1, n
+	js	L(top)
+	FUNC_EXIT()
+	ret
+
+	ALIGN(16)
+L(2):	mov	8(ap,n,8), %r9
+	.byte	0xf3,0x49,0x0f,0xb8,0xc0	C popcnt %r8, %rax
+	xor	8(bp,n,8), %r9
+	.byte	0xf3,0x4d,0x0f,0xb8,0xd1	C popcnt %r9, %r10
+	add	$2, n
+	js	L(top)
+	add	%r10, %rax
+	FUNC_EXIT()
+	ret
+
+	ALIGN(16)
+L(top):	mov	(ap,n,8), %r8
+	add	%r10, %rax
+	mov	8(ap,n,8), %r9
+	xor	(bp,n,8), %r8
+	xor	8(bp,n,8), %r9
+	.byte	0xf3,0x49,0x0f,0xb8,0xc8	C popcnt %r8, %rcx
+	add	%rcx, %rax
+	.byte	0xf3,0x4d,0x0f,0xb8,0xd1	C popcnt %r9, %r10
+	add	$2, n
+	js	L(top)
+
+	add	%r10, %rax
+	FUNC_EXIT()
+	ret
+EPILOGUE()
diff -r 5d87c53eeade -r 65c543170956 mpn/x86_64/silvermont/popcount.asm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpn/x86_64/silvermont/popcount.asm	Wed Feb 15 23:23:41 2017 +0100
@@ -0,0 +1,38 @@
+dnl  AMD64 mpn_popcount -- population count.
+
+dnl  Copyright 2008, 2010-2012 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')
+
+ABI_SUPPORT(DOS64)
+ABI_SUPPORT(STD64)
+
+MULFUNC_PROLOGUE(mpn_popcount)
+include_mpn(`x86_64/coreisbr/popcount.asm')


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