Module Name: src
Committed By: scole
Date: Thu Feb 23 02:05:30 UTC 2017
Modified Files:
src/lib/libm: Makefile
Added Files:
src/lib/libm/arch/ia64: fenv.c
Log Message:
Add fenv for ia64, imported from FreeBSD, compile tested only.
To generate a diff of this commit:
cvs rdiff -u -r1.187 -r1.188 src/lib/libm/Makefile
cvs rdiff -u -r0 -r1.1 src/lib/libm/arch/ia64/fenv.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libm/Makefile
diff -u src/lib/libm/Makefile:1.187 src/lib/libm/Makefile:1.188
--- src/lib/libm/Makefile:1.187 Thu Dec 8 18:42:01 2016
+++ src/lib/libm/Makefile Thu Feb 23 02:05:30 2017
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.187 2016/12/08 18:42:01 christos Exp $
+# $NetBSD: Makefile,v 1.188 2017/02/23 02:05:30 scole Exp $
#
# @(#)Makefile 5.1beta 93/09/24
#
@@ -77,6 +77,9 @@ COMMON_SRCS+= s_fma.c s_fmaf.c s_fmal.c
.PATH.S: ${.CURDIR}/arch/arm
ARCH_SRCS = e_sqrt.S e_sqrtf.S lrint.S lrintf.S s_fabsf.S s_fma.S s_fmaf.S
.endif
+.elif (${LIBC_MACHINE_ARCH} == "ia64")
+.PATH: ${.CURDIR}/arch/ia64
+COMMON_SRCS += fenv.c
.elif (${LIBC_MACHINE_ARCH} == "hppa")
.PATH.c: ${.CURDIR}/arch/hppa
COMMON_SRCS+= fenv.c s_nexttowardf.c \
Added files:
Index: src/lib/libm/arch/ia64/fenv.c
diff -u /dev/null src/lib/libm/arch/ia64/fenv.c:1.1
--- /dev/null Thu Feb 23 02:05:30 2017
+++ src/lib/libm/arch/ia64/fenv.c Thu Feb 23 02:05:30 2017
@@ -0,0 +1,69 @@
+/* $NetBSD: fenv.c,v 1.1 2017/02/23 02:05:30 scole Exp $ */
+
+/*-
+ * Copyright (c) 2004 David Schultz <d...@freebsd.org>
+ * 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 1.1 2017/02/23 02:05:30 scole 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 = 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);
+
+/*
+ * 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);
+}
