4472dbe5e3
mostly-MI floating-point implementation for use by gcc -msoft-float. It's currently only used by arm26, but should be usable by other ports without too much hacking, assuming doubles and u_int64_ts are passed and returned the same way, and FP formats are IEEEish.
25 lines
520 B
C
25 lines
520 B
C
/* $NetBSD: negdf2.c,v 1.1 2000/06/06 08:15:07 bjh21 Exp $ */
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/*
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* Written by Ben Harris, 2000. This file is in the Public Domain.
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*/
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#include "softfloat-for-gcc.h"
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#include "milieu.h"
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#include "softfloat.h"
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: negdf2.c,v 1.1 2000/06/06 08:15:07 bjh21 Exp $");
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#endif /* LIBC_SCCS and not lint */
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float64 __negdf2(float64);
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float64
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__negdf2(float64 a)
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{
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/* libgcc1.c says -a */
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return a ^ FLOAT64_MANGLE(0x8000000000000000ULL);
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}
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