-# $OpenBSD: Makefile.inc,v 1.4 2008/07/24 09:31:06 martynas Exp $
+# $OpenBSD: Makefile.inc,v 1.5 2008/07/25 08:00:01 martynas Exp $
-SRCS+= _setjmp.S fabs.S infinity.c isinf.S isnan.S ldexp.S modf.S nan.c
+SRCS+= _setjmp.S fabs.S infinity.c ldexp.S modf.S nan.c
SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \
fpsetround.c fpsetsticky.c
SRCS+= setjmp.S sigsetjmp.S
+++ /dev/null
-/* $OpenBSD: isinf.S,v 1.5 2008/07/24 09:31:06 martynas Exp $ */
-/*-
- * Copyright (c) 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ralph Campbell.
- *
- * 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.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <machine/asm.h>
-
-#define DEXP_INF 0x7ff
-
-/*
- * int
- * __isinf(double x)
- *
- * Return true if x is infinity.
- */
-LEAF(__isinf, 0)
- .set noreorder
- dmfc1 t3, $f12 # get LSW of x
- dsll t1, t3, 1 # get x exponent
- dsrl t1, t1, 64 - 11
- bne t1, DEXP_INF, 1f # is it a finite number?
- sll t2, t3, 64 - 52 # get x fraction
- bne t2, zero, 1f # is it a NAN?
- nop
- j ra
- li v0, 1 # x is infinity
-1:
- j ra
- move v0, zero # x is NOT infinity
-END(__isinf)
+++ /dev/null
-/* $OpenBSD: isnan.S,v 1.1 2008/07/24 09:31:06 martynas Exp $ */
-/*-
- * Copyright (c) 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ralph Campbell.
- *
- * 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.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <machine/asm.h>
-
-#define DEXP_INF 0x7ff
-
-/*
- * int
- * __isnan(double x)
- *
- * Return true if x is a NAN.
- */
-LEAF(__isnan, 0)
- .set noreorder
- dmfc1 t3, $f12 # get x
- dsll t1, t3, 1 # get x exponent
- dsrl t1, t1, 64 - 11
- bne t1, DEXP_INF, 1f # is it a finite number?
- sll t2, t3, 64 - 52 # get x fraction
- beq t2, zero, 1f # its infinity
- nop
-
- j ra
- li v0, 1 # x is a NAN
-1:
- j ra
- move v0, zero # x is NOT a NAN
-END(__isnan)
projects / openbsd / commitdiff