diff options
author | Martynas Venckus <martynas@cvs.openbsd.org> | 2011-07-08 22:28:34 +0000 |
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committer | Martynas Venckus <martynas@cvs.openbsd.org> | 2011-07-08 22:28:34 +0000 |
commit | be65d6d7e1f061af2670f80ac19b96d6f5087483 (patch) | |
tree | 821ad079f8bfc5480adb0a9d1cfa0ed3e14cbeb4 /lib/libc/arch/sh/gen | |
parent | b92b45c9b21020f776996a6fcf1a2eebe2ee71d9 (diff) |
Revert (leaving the complex math part alone). Some stuff is depending
on this historical behavior; so we're stuck in this stupid situation.
No cookie for me.
Diffstat (limited to 'lib/libc/arch/sh/gen')
-rw-r--r-- | lib/libc/arch/sh/gen/Makefile.inc | 6 | ||||
-rw-r--r-- | lib/libc/arch/sh/gen/fabs.c | 40 |
2 files changed, 43 insertions, 3 deletions
diff --git a/lib/libc/arch/sh/gen/Makefile.inc b/lib/libc/arch/sh/gen/Makefile.inc index 5566687b208..55de1973b30 100644 --- a/lib/libc/arch/sh/gen/Makefile.inc +++ b/lib/libc/arch/sh/gen/Makefile.inc @@ -1,6 +1,6 @@ -# $OpenBSD: Makefile.inc,v 1.9 2011/07/08 19:21:42 martynas Exp $ +# $OpenBSD: Makefile.inc,v 1.10 2011/07/08 22:28:33 martynas Exp $ -SRCS+= flt_rounds.c infinity.c ldexp.c nan.c setjmp.S _setjmp.S +SRCS+= flt_rounds.c infinity.c ldexp.c modf.c nan.c setjmp.S _setjmp.S SRCS+= sigsetjmp.S -SRCS+= fpgetmask.c fpgetround.c fpgetsticky.c \ +SRCS+= fabs.c fpgetmask.c fpgetround.c fpgetsticky.c \ fpsetmask.c fpsetround.c fpsetsticky.c diff --git a/lib/libc/arch/sh/gen/fabs.c b/lib/libc/arch/sh/gen/fabs.c new file mode 100644 index 00000000000..b7396043b43 --- /dev/null +++ b/lib/libc/arch/sh/gen/fabs.c @@ -0,0 +1,40 @@ +/* $OpenBSD: fabs.c,v 1.9 2011/07/08 22:28:33 martynas Exp $ */ +/* + * Copyright (c) 2006 Miodrag Vallat. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice, this permission notice, and the disclaimer below + * appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/cdefs.h> +#if !defined(__SH4__) || defined(__SH4_NOFPU__) +#include <sys/types.h> +#include <machine/ieee.h> +#endif /* !defined(__SH4__) || defined(__SH4_NOFPU__) */ + +#include <math.h> + +double +fabs(double d) +{ +#if defined(__SH4__) && !defined(__SH4_NOFPU__) + __asm__ __volatile__("fabs %0" : "+f" (d)); +#else + struct ieee_double *p = (struct ieee_double *)&d; + + p->dbl_sign = 0; +#endif + return (d); +} + +__weak_alias(fabsl, fabs); |