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authorMartynas Venckus <martynas@cvs.openbsd.org>2011-07-08 22:28:34 +0000
committerMartynas Venckus <martynas@cvs.openbsd.org>2011-07-08 22:28:34 +0000
commitbe65d6d7e1f061af2670f80ac19b96d6f5087483 (patch)
tree821ad079f8bfc5480adb0a9d1cfa0ed3e14cbeb4 /lib/libc/arch/sh/gen
parentb92b45c9b21020f776996a6fcf1a2eebe2ee71d9 (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.inc6
-rw-r--r--lib/libc/arch/sh/gen/fabs.c40
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);