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Add the fpset* routines for tests

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This commit is contained in:
matt 2015-07-07 21:40:19 +00:00
parent 65192539f3
commit cee94c5eb0
4 changed files with 165 additions and 1 deletions
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4
lib/libc/arch/aarch64/gen/Makefile.inc
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@ -1,4 +1,4 @@
# $NetBSD: Makefile.inc,v 1.1 2014/08/10 05:47:36 matt Exp $
# $NetBSD: Makefile.inc,v 1.2 2015/07/07 21:40:19 matt Exp $
SRCS+= byte_swap_2.S byte_swap_4.S byte_swap_8.S
SRCS+= flt_rounds.c
@ -6,6 +6,8 @@ SRCS+= flt_rounds.c
# Common ieee754 constants and functions
SRCS+= infinityf_ieee754.c infinity_ieee754.c infinityl_ieee754.c
SRCS+= fpclassifyf_ieee754.c fpclassifyd_ieee754.c fpclassifyl_ieee754.c
SRCS+= fpgetmask.c fpgetround.c fpgetsticky.c
SRCS+= fpsetmask.c fpsetround.c fpsetsticky.c
SRCS+= isfinitef_ieee754.c isfinited_ieee754.c isfinitel_ieee754.c
SRCS+= isinff_ieee754.c isinfd_ieee754.c isinfl_ieee754.c
SRCS+= isnanf_ieee754.c isnand_ieee754.c isnanl_ieee754.c

54
lib/libc/arch/aarch64/gen/fpsetmask.c Normal file
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@ -0,0 +1,54 @@
/*-
* Copyright (c) 2015 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: fpsetmask.c,v 1.1 2015/07/07 21:40:19 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bitops.h>
#include "namespace.h"
#include <ieeefp.h>
#include <aarch64/armreg.h>
__weak_alias(fpsetmask,_fpsetmask);
fp_except_t
fpsetmask(fp_except_t mask)
{
const uint32_t old_fpcr = reg_fpcr_read();
const uint32_t new_fpcr = (old_fpcr & ~FPCR_ESUM)
| __SHIFTIN(mask, FPCR_ESUM);
reg_fpcr_write(new_fpcr);
return __SHIFTOUT(old_fpcr, FPCR_ESUM);
}

54
lib/libc/arch/aarch64/gen/fpsetround.c Normal file
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@ -0,0 +1,54 @@
/*-
* Copyright (c) 2015 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: fpsetround.c,v 1.1 2015/07/07 21:40:19 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bitops.h>
#include "namespace.h"
#include <ieeefp.h>
#include <aarch64/armreg.h>
__weak_alias(fpsetround,_fpsetround);
fp_rnd_t
fpsetround(fp_rnd_t rnd)
{
const uint32_t old_fpcr = reg_fpcr_read();
const uint32_t new_fpcr = (~old_fpcr & ~FPCR_RMODE)
| __SHIFTIN(rnd, FPCR_RMODE);
reg_fpcr_write(new_fpcr);
return __SHIFTOUT(old_fpcr, FPCR_RMODE);
}

54
lib/libc/arch/aarch64/gen/fpsetsticky.c Normal file
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@ -0,0 +1,54 @@
/*-
* Copyright (c) 2015 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: fpsetsticky.c,v 1.1 2015/07/07 21:40:19 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bitops.h>
#include "namespace.h"
#include <ieeefp.h>
#include <aarch64/armreg.h>
__weak_alias(fpsetsticky,_fpsetsticky)
fp_except_t
fpsetsticky(fp_except_t sticky)
{
const uint32_t old_fpsr = reg_fpsr_read();
const uint32_t new_fpsr = (old_fpsr & ~FPSR_CSUM)
| __SHIFTIN(sticky, FPSR_CSUM);
reg_fpsr_write(new_fpsr);
return __SHIFTOUT(old_fpsr, FPSR_CSUM);
}