[src/trunk]: src/lib/libm Powerpc fenv.c from FreeBSD

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/89f2c944391d
branches:  trunk
changeset: 342404:89f2c944391d
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Dec 20 16:24:25 2015 +0000

description:
Powerpc fenv.c from FreeBSD

diffstat:

 lib/libm/Makefile            |   7 +++++-
 lib/libm/arch/powerpc/fenv.c |  52 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 1 deletions(-)

diffs (77 lines):

diff -r f30c5de421c4 -r 89f2c944391d lib/libm/Makefile
--- a/lib/libm/Makefile Sun Dec 20 16:23:38 2015 +0000
+++ b/lib/libm/Makefile Sun Dec 20 16:24:25 2015 +0000
@@ -1,4 +1,4 @@
-#  $NetBSD: Makefile,v 1.171 2015/12/12 19:05:45 nros Exp $
+#  $NetBSD: Makefile,v 1.172 2015/12/20 16:24:25 christos Exp $
 #
 #  @(#)Makefile 5.1beta 93/09/24
 #
@@ -166,6 +166,11 @@
 ARCH_SRCS += s_fmax.S s_fmaxf.S
 ARCH_SRCS += s_fmin.S s_fminf.S
 .endif
+.elif (${LIBC_MACHINE_ARCH} == "powerpc")
+.PATH: ${.CURDIR}/arch/powerpc
+
+COMMON_SRCS += fenv.c
+
 .endif
 
 WARNS?=5
diff -r f30c5de421c4 -r 89f2c944391d lib/libm/arch/powerpc/fenv.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libm/arch/powerpc/fenv.c      Sun Dec 20 16:24:25 2015 +0000
@@ -0,0 +1,52 @@
+/*     $NetBSD: fenv.c,v 1.1 2015/12/20 16:24:25 christos Exp $        */
+
+/*-
+ * Copyright (c) 2004 David Schultz <das%FreeBSD.ORG@localhost>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD: head/lib/msun/powerpc/fenv.c 226415 2011-10-16 05:37:56Z das $
+ */
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: fenv.c,v 1.1 2015/12/20 16:24:25 christos Exp $");
+
+#define        __fenv_static
+#include "fenv.h"
+
+#if defined(__GNUC_GNU_INLINE__) && !defined(__lint__)
+#error "This file must be compiled with C99 'inline' semantics"
+#endif
+
+const fenv_t __fe_dfl_env = 0x00000000;
+
+extern inline int feclearexcept(int __excepts);
+extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
+extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+extern inline int feraiseexcept(int __excepts);
+extern inline int fetestexcept(int __excepts);
+extern inline int fegetround(void);
+extern inline int fesetround(int __round);
+extern inline int fegetenv(fenv_t *__envp);
+extern inline int feholdexcept(fenv_t *__envp);
+extern inline int fesetenv(const fenv_t *__envp);
+extern inline int feupdateenv(const fenv_t *__envp);