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Remove the i387 versions of atan(), atan2(), and atan2f().

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They are slower than the MI routines on modern hardware,
except for degenerate cases such as the Pentium 4.

PR:		67469
This commit is contained in:
David Schultz 2005-02-21 16:04:23 +00:00
parent 043da612df
commit f674c13c78
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=142176
4 changed files with 3 additions and 106 deletions
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6
lib/msun/i387/Makefile.inc
View File

@ -1,11 +1,11 @@
# $FreeBSD$
ARCH_SRCS = e_atan2.S e_exp.S e_fmod.S e_log.S e_log10.S \
e_remainder.S e_scalb.S e_sqrt.S s_atan.S s_ceil.S s_copysign.S \
ARCH_SRCS = e_exp.S e_fmod.S e_log.S e_log10.S \
e_remainder.S e_scalb.S e_sqrt.S s_ceil.S s_copysign.S \
s_cos.S s_finite.S s_floor.S s_llrint.S s_logb.S s_lrint.S \
s_rint.S s_scalbn.S s_significand.S s_sin.S s_tan.S
# float counterparts
ARCH_SRCS+= e_atan2f.S e_log10f.S e_logf.S e_remainderf.S e_scalbf.S \
ARCH_SRCS+= e_log10f.S e_logf.S e_remainderf.S e_scalbf.S \
e_sqrtf.S s_ceilf.S s_copysignf.S s_floorf.S s_logbf.S \
s_rintf.S s_scalbnf.S s_significandf.S

44
lib/msun/i387/e_atan2.S
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@ -1,44 +0,0 @@
/*
* Copyright (c) 1994 Winning Strategies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Winning Strategies, Inc.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Written by:
* J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc.
*/
#include <machine/asm.h>
RCSID("$FreeBSD$")
ENTRY(atan2)
fldl 4(%esp)
fldl 12(%esp)
fpatan
ret

15
lib/msun/i387/e_atan2f.S
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@ -1,15 +0,0 @@
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
/* RCSID("$NetBSD: e_atan2f.S,v 1.1 1995/05/08 23:35:10 jtc Exp $") */
ENTRY(atan2f)
flds 4(%esp)
flds 8(%esp)
fpatan
ret

44
lib/msun/i387/s_atan.S
View File

@ -1,44 +0,0 @@
/*
* Copyright (c) 1993,94 Winning Strategies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Winning Strategies, Inc.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Written by:
* J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc.
*/
#include <machine/asm.h>
RCSID("$FreeBSD$")
ENTRY(atan)
fldl 4(%esp)
fld1
fpatan
ret