645d0312c2
libc/libm support for MIPS64 targets Change-Id: I8271941d418612a286be55495f0e95822f90004f Signed-off-by: Chris Dearman <chris.dearman@imgtec.com> Signed-off-by: Raghu Gandham <raghu.gandham@imgtec.com>
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*-
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* Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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union IEEEl2bits {
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long double e;
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struct {
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#ifndef __MIPSEB__
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#if (_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIN32)
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unsigned long manl :64;
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unsigned long manh :48;
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unsigned int exp :15;
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unsigned int sign :1;
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#else
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unsigned int manl :32;
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unsigned int manh :20;
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unsigned int exp :11;
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unsigned int sign :1;
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#endif
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#else
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#if (_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIN32)
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unsigned int sign :1;
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unsigned int exp :15;
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unsigned long manh :48;
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unsigned long manl :64;
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#else
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unsigned int sign :1;
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unsigned int exp :11;
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unsigned int manh :20;
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unsigned int manl :32;
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#endif
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#endif
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} bits;
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};
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#define LDBL_NBIT 0
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#define mask_nbit_l(u) ((void)0)
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#define LDBL_IMPLICIT_NBIT
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#if (_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIN32)
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#define LDBL_MANH_SIZE 48
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#define LDBL_MANL_SIZE 64
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#define LDBL_TO_ARRAY32(u, a) do { \
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(a)[0] = (uint32_t)(u).bits.manl; \
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(a)[1] = (uint32_t)((u).bits.manl >> 32); \
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(a)[2] = (uint32_t)(u).bits.manh; \
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(a)[3] = (uint32_t)((u).bits.manh >> 32); \
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} while(0)
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#else
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#define LDBL_MANH_SIZE 20
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#define LDBL_MANL_SIZE 32
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#define LDBL_TO_ARRAY32(u, a) do { \
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(a)[0] = (uint32_t)(u).bits.manl; \
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(a)[1] = (uint32_t)(u).bits.manh; \
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} while(0)
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#endif
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