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-rw-r--r--libm/alpha/fenv.h185
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diff --git a/libm/alpha/fenv.h b/libm/alpha/fenv.h
deleted file mode 100644
index dc7bcb7..0000000
--- a/libm/alpha/fenv.h
+++ /dev/null
@@ -1,185 +0,0 @@
-/*-
- * Copyright (c) 2004-2005 David Schultz <das@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: src/lib/msun/alpha/fenv.h,v 1.3 2005/03/16 19:03:44 das Exp $
- */
-
-#ifndef _FENV_H_
-#define _FENV_H_
-
-#include <sys/_types.h>
-
-typedef __uint64_t fenv_t;
-typedef __uint16_t fexcept_t;
-
-/* Exception flags */
-#define FE_INVALID 0x02
-#define FE_DIVBYZERO 0x04
-#define FE_OVERFLOW 0x08
-#define FE_UNDERFLOW 0x10
-#define FE_INEXACT 0x20
-#define FE_INTOVF 0x40 /* not maskable */
-#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | FE_INTOVF | \
- FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
-
-/* Rounding modes */
-#define FE_TOWARDZERO 0x00
-#define FE_DOWNWARD 0x01
-#define FE_TONEAREST 0x02
-#define FE_UPWARD 0x03
-#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
- FE_UPWARD | FE_TOWARDZERO)
-#define _ROUND_SHIFT 58
-
-#define _FPUSW_SHIFT 51
-
-#define __excb() __asm __volatile("excb")
-#define __mf_fpcr(__cw) __asm __volatile("mf_fpcr %0" : "=f" (*(__cw)))
-#define __mt_fpcr(__cw) __asm __volatile("mt_fpcr %0" : : "f" (__cw))
-
-union __fpcr {
- double __d;
- fenv_t __bits;
-};
-
-__BEGIN_DECLS
-
-/* Default floating-point environment */
-extern const fenv_t __fe_dfl_env;
-#define FE_DFL_ENV (&__fe_dfl_env)
-
-static __inline int
-feclearexcept(int __excepts)
-{
- union __fpcr __r;
-
- __excb();
- __mf_fpcr(&__r.__d);
- __r.__bits &= ~((fenv_t)__excepts << _FPUSW_SHIFT);
- __mt_fpcr(__r.__d);
- __excb();
- return (0);
-}
-
-static __inline int
-fegetexceptflag(fexcept_t *__flagp, int __excepts)
-{
- union __fpcr __r;
-
- __excb();
- __mf_fpcr(&__r.__d);
- __excb();
- *__flagp = (__r.__bits >> _FPUSW_SHIFT) & __excepts;
- return (0);
-}
-
-static __inline int
-fesetexceptflag(const fexcept_t *__flagp, int __excepts)
-{
- union __fpcr __r;
- fenv_t __xflag, __xexcepts;
-
- __xflag = (fenv_t)*__flagp << _FPUSW_SHIFT;
- __xexcepts = (fenv_t)__excepts << _FPUSW_SHIFT;
- __excb();
- __mf_fpcr(&__r.__d);
- __r.__bits &= ~__xexcepts;
- __r.__bits |= __xflag & __xexcepts;
- __mt_fpcr(__r.__d);
- __excb();
- return (0);
-}
-
-static __inline int
-feraiseexcept(int __excepts)
-{
-
- /*
- * XXX Generating exceptions this way does not actually invoke
- * a userland trap handler when enabled, but neither do
- * arithmetic operations as far as I can tell. Perhaps there
- * are more bugs in the kernel trap handler.
- */
- fexcept_t __ex = __excepts;
- fesetexceptflag(&__ex, __excepts);
- return (0);
-}
-
-static __inline int
-fetestexcept(int __excepts)
-{
- union __fpcr __r;
-
- __excb();
- __mf_fpcr(&__r.__d);
- __excb();
- return ((__r.__bits >> _FPUSW_SHIFT) & __excepts);
-}
-
-static __inline int
-fegetround(void)
-{
- union __fpcr __r;
-
- /*
- * No exception barriers should be required here if we assume
- * that only fesetround() can change the rounding mode.
- */
- __mf_fpcr(&__r.__d);
- return ((int)(__r.__bits >> _ROUND_SHIFT) & _ROUND_MASK);
-}
-
-static __inline int
-fesetround(int __round)
-{
- union __fpcr __r;
-
- if (__round & ~_ROUND_MASK)
- return (-1);
- __excb();
- __mf_fpcr(&__r.__d);
- __r.__bits &= ~((fenv_t)_ROUND_MASK << _ROUND_SHIFT);
- __r.__bits |= (fenv_t)__round << _ROUND_SHIFT;
- __mt_fpcr(__r.__d);
- __excb();
- return (0);
-}
-
-int fegetenv(fenv_t *__envp);
-int feholdexcept(fenv_t *__envp);
-int fesetenv(const fenv_t *__envp);
-int feupdateenv(const fenv_t *__envp);
-
-#if __BSD_VISIBLE
-
-int feenableexcept(int __mask);
-int fedisableexcept(int __mask);
-int fegetexcept(void);
-
-#endif /* __BSD_VISIBLE */
-
-__END_DECLS
-
-#endif /* !_FENV_H_ */