From abfbdde177c3a7155070dda1b2cdc8292054cc26 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 14 Jul 1999 00:54:57 +0000
Subject: Update.

---
 sysdeps/sparc/sparc32/Implies             |   3 +
 sysdeps/sparc/sparc32/bits/wordsize.h     |   7 +++
 sysdeps/sparc/sparc32/fpu/bits/huge_val.h | 100 ++++++++++++++++++++++++++++++
 3 files changed, 110 insertions(+)
 create mode 100644 sysdeps/sparc/sparc32/bits/wordsize.h
 create mode 100644 sysdeps/sparc/sparc32/fpu/bits/huge_val.h

(limited to 'sysdeps/sparc/sparc32')

diff --git a/sysdeps/sparc/sparc32/Implies b/sysdeps/sparc/sparc32/Implies
index 39a34c5f57..ae984a8257 100644
--- a/sysdeps/sparc/sparc32/Implies
+++ b/sysdeps/sparc/sparc32/Implies
@@ -1 +1,4 @@
 wordsize-32
+# SPARC uses IEEE 754 floating point.
+ieee754/flt-32
+ieee754/dbl-64
diff --git a/sysdeps/sparc/sparc32/bits/wordsize.h b/sysdeps/sparc/sparc32/bits/wordsize.h
new file mode 100644
index 0000000000..2ad12e1e7f
--- /dev/null
+++ b/sysdeps/sparc/sparc32/bits/wordsize.h
@@ -0,0 +1,7 @@
+/* Determine the wordsize from the preprocessor defines.  */
+
+#if defined __sparc_v9__ || defined __arch64__ || defined __sparcv9
+# define __WORDSIZE	64
+#else
+# define __WORDSIZE	32
+#endif
diff --git a/sysdeps/sparc/sparc32/fpu/bits/huge_val.h b/sysdeps/sparc/sparc32/fpu/bits/huge_val.h
new file mode 100644
index 0000000000..673d6f0532
--- /dev/null
+++ b/sysdeps/sparc/sparc32/fpu/bits/huge_val.h
@@ -0,0 +1,100 @@
+/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+#include <features.h>
+#include <bits/wordsize.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
+
+#ifdef	__GNUC__
+
+# define HUGE_VAL \
+  (__extension__							      \
+   ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; })   \
+    { __l: 0x7ff0000000000000ULL }).__d)
+
+#else /* not GCC */
+
+typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
+
+# define __HUGE_VAL_bytes	{ 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
+
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VAL	(__huge_val.__d)
+
+#endif	/* GCC.  */
+
+
+/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL.  */
+
+#ifdef __USE_ISOC9X
+
+# ifdef __GNUC__
+
+#  define HUGE_VALF \
+  (__extension__							      \
+   ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; })    \
+    { __l: 0x7f800000UL }).__d)
+
+# else /* not GCC */
+
+typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
+
+#  define __HUGE_VALF_bytes	{ 0x7f, 0x80, 0, 0 }
+
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+#  define HUGE_VALF	(__huge_valf.__f)
+
+# endif	/* GCC.  */
+
+#if __WORDSIZE == 32
+
+/* Sparc32 has IEEE 754 64bit long double */
+# define HUGE_VALL HUGE_VAL
+
+#else
+
+/* Sparc64 uses IEEE 754 128bit long double */
+
+#ifdef	__GNUC__
+
+# define HUGE_VALL \
+  (__extension__									\
+   ((union { struct { unsigned long __h, __l; } __i; long double __d; })		\
+    { __i: { __h: 0x7fff000000000000UL, __l: 0 } }).__d)
+              
+#else /* not GCC */
+
+typedef union { unsigned char __c[16]; long double __d; } __huge_vall_t;
+
+# define __HUGE_VALL_bytes	{ 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+
+static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
+# define HUGE_VALL	(__huge_vall.__d)
+
+#endif	/* GCC.  */
+
+#endif
+
+#endif /* __USE_ISOC9X.  */
-- 
cgit 1.4.1