0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
36 lines
723 B
C
36 lines
723 B
C
/* $NetBSD: flt_rounds.c,v 1.9 2015/03/19 21:22:59 joerg Exp $ */
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/*
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* Written by J.T. Conklin, Apr 11, 1995
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* Public domain.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: flt_rounds.c,v 1.9 2015/03/19 21:22:59 joerg Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <machine/float.h>
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#include <ieeefp.h>
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static const int map[] = {
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1, /* round to nearest */
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0, /* round to zero */
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2, /* round to positive infinity */
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3 /* round to negative infinity */
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};
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int
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__flt_rounds(void)
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{
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#ifdef SOFTFLOAT_FOR_GCC
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return map[fpgetround()];
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#else
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int x;
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__asm(".set push; .set noat; cfc1 %0,$31; .set pop" : "=r" (x));
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return map[x & 0x03];
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#endif
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}
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