[src/bouyer-socketcan]: src/lib/libm/arch/ia64 503162

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

details:   https://anonhg.NetBSD.org/src/rev/3bde1026fddc
branches:  bouyer-socketcan
changeset: 820852:3bde1026fddc
user:      chs <chs%NetBSD.org@localhost>
date:      Thu Mar 23 18:27:30 2017 +0000

description:
503162

diffstat:

 lib/libm/arch/ia64/fenv.c |  91 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 91 insertions(+), 0 deletions(-)

diffs (95 lines):

diff -r 2b473ec92ee1 -r 3bde1026fddc lib/libm/arch/ia64/fenv.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libm/arch/ia64/fenv.c Thu Mar 23 18:27:30 2017 +0000
@@ -0,0 +1,91 @@
+/*     $NetBSD: fenv.c,v 1.3.2.2 2017/03/23 18:27:30 chs 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: releng/10.1/lib/msun/ia64/fenv.c 226415 2011-10-16 05:37:56Z das $
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: fenv.c,v 1.3.2.2 2017/03/23 18:27:30 chs Exp $");
+
+#include "namespace.h"
+
+#define        __fenv_static
+#include <fenv.h>
+
+#ifdef __weak_alias
+__weak_alias(feclearexcept,_feclearexcept)
+__weak_alias(fedisableexcept,_fedisableexcept)
+__weak_alias(feenableexcept,_feenableexcept)
+__weak_alias(fegetenv,_fegetenv)
+__weak_alias(fegetexcept,_fegetexcept)
+__weak_alias(fegetexceptflag,_fegetexceptflag)
+__weak_alias(fegetround,_fegetround)
+__weak_alias(feholdexcept,_feholdexcept)
+__weak_alias(feraiseexcept,_feraiseexcept)
+__weak_alias(fesetenv,_fesetenv)
+__weak_alias(fesetexceptflag,_fesetexceptflag)
+__weak_alias(fesetround,_fesetround)
+__weak_alias(fetestexcept,_fetestexcept)
+__weak_alias(feupdateenv,_feupdateenv)
+#endif
+
+#if defined(__GNUC_GNU_INLINE__) && !defined(__lint__)
+#error "This file must be compiled with C99 'inline' semantics"
+#endif
+
+const fenv_t __fe_dfl_env = 0x0009804c8a70033fULL;
+
+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 feenableexcept(int __excepts);
+extern inline int fedisableexcept(int __excepts);
+extern inline int fegetexcept(void);
+
+/*
+ * It doesn't pay to inline feupdateenv() because it includes one of
+ * the rare uses of feraiseexcept() where the argument is not a
+ * constant.  Thus, no dead code elimination can occur, resulting in
+ * significant bloat.
+ */
+int
+feupdateenv(const fenv_t *envp)
+{
+       fenv_t fpsr;
+
+       __stfpsr(&fpsr);
+       __ldfpsr(*envp);
+       feraiseexcept((fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT);
+       return (0);
+}