git: b94b8bf7027e - main - mips: Remove msun support

From: Warner Losh <imp_at_FreeBSD.org>
Date: Fri, 31 Dec 2021 07:15:33 UTC
The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=b94b8bf7027e2cf08b8db7a84b1a7426d4f96d44

commit b94b8bf7027e2cf08b8db7a84b1a7426d4f96d44
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2021-12-31 05:48:55 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2021-12-31 07:14:52 +0000

    mips: Remove msun support
    
    Decommision msun (libm) support for mips.
    
    Sponsored by:           Netflix
---
 lib/msun/mips/Makefile.inc |   4 -
 lib/msun/mips/Symbol.map   |  16 ---
 lib/msun/mips/fenv.c       |  68 -----------
 lib/msun/mips/fenv.h       | 283 ---------------------------------------------
 4 files changed, 371 deletions(-)

diff --git a/lib/msun/mips/Makefile.inc b/lib/msun/mips/Makefile.inc
deleted file mode 100644
index 8c1a4864f4cf..000000000000
--- a/lib/msun/mips/Makefile.inc
+++ /dev/null
@@ -1,4 +0,0 @@
-# $FreeBSD$
-
-LDBL_PREC = 53
-SYM_MAPS += ${.CURDIR}/mips/Symbol.map
diff --git a/lib/msun/mips/Symbol.map b/lib/msun/mips/Symbol.map
deleted file mode 100644
index 40fbc549560b..000000000000
--- a/lib/msun/mips/Symbol.map
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * $FreeBSD$
- */
-FBSD_1.0 {
-};
-
-FBSD_1.3 {
-	fesetexceptflag;
-	feraiseexcept;
-	fegetenv;
-	feholdexcept;
-	feupdateenv;
-	feenableexcept;
-	fedisableexcept;
-	fegetexcept;
-};
diff --git a/lib/msun/mips/fenv.c b/lib/msun/mips/fenv.c
deleted file mode 100644
index 24c79a508aeb..000000000000
--- a/lib/msun/mips/fenv.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2004 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.
- *
- * $FreeBSD$
- */
-
-#define	__fenv_static
-#include "fenv.h"
-
-#ifdef __GNUC_GNU_INLINE__
-#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;
-
-#ifdef	__mips_soft_float
-#define __set_env(env, flags, mask, rnd) env = ((flags)                 \
-                                                | (mask)<<_FPUSW_SHIFT  \
-                                                | (rnd) << 24)
-#define __env_flags(env)                ((env) & FE_ALL_EXCEPT)
-#define __env_mask(env)                 (((env) >> _FPUSW_SHIFT)        \
-                                                & FE_ALL_EXCEPT)
-#define __env_round(env)                (((env) >> 24) & _ROUND_MASK)
-#include "fenv-softfloat.h"
-#endif
-
-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);
-extern inline int feenableexcept(int __mask);
-extern inline int fedisableexcept(int __mask);
-extern inline int fegetexcept(void);
diff --git a/lib/msun/mips/fenv.h b/lib/msun/mips/fenv.h
deleted file mode 100644
index be846b7449ce..000000000000
--- a/lib/msun/mips/fenv.h
+++ /dev/null
@@ -1,283 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * 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.
- *
- * $FreeBSD$
- */
-
-#ifndef	_FENV_H_
-#define	_FENV_H_
-
-#include <sys/_types.h>
-
-#ifndef	__fenv_static
-#define	__fenv_static	static
-#endif
-
-typedef	__uint32_t	fenv_t;
-typedef	__uint32_t	fexcept_t;
-
-/* Exception flags */
-#ifdef __mips_soft_float
-#define	_FPUSW_SHIFT	16
-#define	FE_INVALID	0x0001
-#define	FE_DIVBYZERO	0x0002
-#define	FE_OVERFLOW	0x0004
-#define	FE_UNDERFLOW	0x0008
-#define	FE_INEXACT	0x0010
-#else
-#define	_FCSR_CAUSE_SHIFT	10
-#define	FE_INVALID	0x0040
-#define	FE_DIVBYZERO	0x0020
-#define	FE_OVERFLOW	0x0010
-#define	FE_UNDERFLOW	0x0008
-#define	FE_INEXACT	0x0004
-#endif
-#define	FE_ALL_EXCEPT	(FE_DIVBYZERO | FE_INEXACT | \
-			 FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
-
-/* Rounding modes */
-#define	FE_TONEAREST	0x0000
-#define	FE_TOWARDZERO	0x0001
-#define	FE_UPWARD	0x0002
-#define	FE_DOWNWARD	0x0003
-#define	_ROUND_MASK	(FE_TONEAREST | FE_DOWNWARD | \
-			 FE_UPWARD | FE_TOWARDZERO)
-__BEGIN_DECLS
-
-/* Default floating-point environment */
-extern const fenv_t	__fe_dfl_env;
-#define	FE_DFL_ENV	(&__fe_dfl_env)
-
-/* We need to be able to map status flag positions to mask flag positions */
-#define	_ENABLE_SHIFT	5
-#define	_ENABLE_MASK	(FE_ALL_EXCEPT << _ENABLE_SHIFT)
-
-#if !defined(__mips_soft_float) && !defined(__mips_hard_float)
-#error compiler didnt set soft/hard float macros
-#endif
-
-#ifndef	__mips_soft_float
-#define	__cfc1(__fcsr)	__asm __volatile("cfc1 %0, $31" : "=r" (__fcsr))
-#define	__ctc1(__fcsr)	__asm __volatile("ctc1 %0, $31" :: "r" (__fcsr))
-#endif
-
-#ifdef __mips_soft_float
-int feclearexcept(int __excepts);
-int fegetexceptflag(fexcept_t *__flagp, int __excepts);
-int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
-int feraiseexcept(int __excepts);
-int fetestexcept(int __excepts);
-int fegetround(void);
-int fesetround(int __round);
-int fegetenv(fenv_t *__envp);
-int feholdexcept(fenv_t *__envp);
-int fesetenv(const fenv_t *__envp);
-int feupdateenv(const fenv_t *__envp);
-#else
-__fenv_static inline int
-feclearexcept(int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	fcsr &= ~(__excepts | (__excepts << _FCSR_CAUSE_SHIFT));
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fegetexceptflag(fexcept_t *__flagp, int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	*__flagp = fcsr & __excepts;
-
-	return (0);
-}
-
-__fenv_static inline int
-fesetexceptflag(const fexcept_t *__flagp, int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	fcsr &= ~__excepts;
-	fcsr |= *__flagp & __excepts;
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-feraiseexcept(int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	fcsr |= __excepts | (__excepts << _FCSR_CAUSE_SHIFT);
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fetestexcept(int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-
-	return (fcsr & __excepts);
-}
-
-__fenv_static inline int
-fegetround(void)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-
-	return (fcsr & _ROUND_MASK);
-}
-
-__fenv_static inline int
-fesetround(int __round)
-{
-	fexcept_t fcsr;
-
-	if (__round & ~_ROUND_MASK)
-		return (-1);
-
-	__cfc1(fcsr);
-	fcsr &= ~_ROUND_MASK;
-	fcsr |= __round;
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fegetenv(fenv_t *__envp)
-{
-
-	__cfc1(*__envp);
-
-	return (0);
-}
-
-__fenv_static inline int
-feholdexcept(fenv_t *__envp)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-	*__envp = fcsr;
-	fcsr &= ~(FE_ALL_EXCEPT | _ENABLE_MASK);
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fesetenv(const fenv_t *__envp)
-{
-
-	__ctc1(*__envp);
-
-	return (0);
-}
-
-__fenv_static inline int
-feupdateenv(const fenv_t *__envp)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-	fesetenv(__envp);
-	feraiseexcept(fcsr);
-
-	return (0);
-}
-#endif /* !__mips_soft_float */
-
-#if __BSD_VISIBLE
-
-/* We currently provide no external definitions of the functions below. */
-
-#ifdef __mips_soft_float
-int feenableexcept(int __mask);
-int fedisableexcept(int __mask);
-int fegetexcept(void);
-#else
-static inline int
-feenableexcept(int __mask)
-{
-	fenv_t __old_fcsr, __new_fcsr;
-
-	__cfc1(__old_fcsr);
-	__new_fcsr = __old_fcsr | (__mask & FE_ALL_EXCEPT) << _ENABLE_SHIFT;
-	__ctc1(__new_fcsr);
-
-	return ((__old_fcsr >> _ENABLE_SHIFT) & FE_ALL_EXCEPT);
-}
-
-static inline int
-fedisableexcept(int __mask)
-{
-	fenv_t __old_fcsr, __new_fcsr;
-
-	__cfc1(__old_fcsr);
-	__new_fcsr = __old_fcsr & ~((__mask & FE_ALL_EXCEPT) << _ENABLE_SHIFT);
-	__ctc1(__new_fcsr);
-
-	return ((__old_fcsr >> _ENABLE_SHIFT) & FE_ALL_EXCEPT);
-}
-
-static inline int
-fegetexcept(void)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-
-	return ((fcsr & _ENABLE_MASK) >> _ENABLE_SHIFT);
-}
-
-#endif /* !__mips_soft_float */
-
-#endif /* __BSD_VISIBLE */
-
-__END_DECLS
-
-#endif	/* !_FENV_H_ */