[src/trunk]: src/lib/libm Add mips fenv.c (From FreeBSD)

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

details:   https://anonhg.NetBSD.org/src/rev/b8e6abb3bc91
branches:  trunk
changeset: 342427:b8e6abb3bc91
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Dec 21 17:02:02 2015 +0000

description:
Add mips fenv.c (From FreeBSD)

diffstat:

 lib/libm/Makefile         |   9 +++++--
 lib/libm/arch/mips/fenv.c |  56 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 3 deletions(-)

diffs (84 lines):

diff -r 9cc0f87364b7 -r b8e6abb3bc91 lib/libm/Makefile
--- a/lib/libm/Makefile Mon Dec 21 16:49:53 2015 +0000
+++ b/lib/libm/Makefile Mon Dec 21 17:02:02 2015 +0000
@@ -1,4 +1,4 @@
-#  $NetBSD: Makefile,v 1.172 2015/12/20 16:24:25 christos Exp $
+#  $NetBSD: Makefile,v 1.173 2015/12/21 17:02:02 christos Exp $
 #
 #  @(#)Makefile 5.1beta 93/09/24
 #
@@ -168,9 +168,12 @@
 .endif
 .elif (${LIBC_MACHINE_ARCH} == "powerpc")
 .PATH: ${.CURDIR}/arch/powerpc
-
+COPTS.e_sqrtl.c += -DHAVE_FENV_H
 COMMON_SRCS += fenv.c
-
+.elif (${LIBC_MACHINE_CPU} == "mips")
+.PATH: ${.CURDIR}/arch/mips
+COPTS.e_sqrtl.c += -DHAVE_FENV_H
+COMMON_SRCS += fenv.c
 .endif
 
 WARNS?=5
diff -r 9cc0f87364b7 -r b8e6abb3bc91 lib/libm/arch/mips/fenv.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libm/arch/mips/fenv.c Mon Dec 21 17:02:02 2015 +0000
@@ -0,0 +1,56 @@
+/*     $NetBSD: fenv.c,v 1.1 2015/12/21 17:02:02 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/mips/fenv.c 226415 2011-10-16 05:37:56Z das $
+ */
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: fenv.c,v 1.1 2015/12/21 17:02:02 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
+
+/*
+ * Hopefully the system ID byte is immutable, so it's valid to use
+ * this as a default environment.
+ */
+const fenv_t __fe_dfl_env = 0;
+
+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);