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

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

PR:		67469

4 files changed, 3 insertions, 106 deletions

diff --git a/lib/msun/i387/Makefile.inc b/lib/msun/i387/Makefile.inc
index b0150af..5a6a462 100644
--- a/lib/msun/i387/Makefile.inc
+++ b/lib/msun/i387/Makefile.inc
@@ -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
diff --git a/lib/msun/i387/e_atan2.S b/lib/msun/i387/e_atan2.S
deleted file mode 100644
index 8afa50b..0000000
--- a/lib/msun/i387/e_atan2.S
+++ /dev/null
@@ -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
diff --git a/lib/msun/i387/e_atan2f.S b/lib/msun/i387/e_atan2f.S
deleted file mode 100644
index 578a47c..0000000
--- a/lib/msun/i387/e_atan2f.S
+++ /dev/null
@@ -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
diff --git a/lib/msun/i387/s_atan.S b/lib/msun/i387/s_atan.S
deleted file mode 100644
index 1150cce..0000000
--- a/lib/msun/i387/s_atan.S
+++ /dev/null
@@ -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