aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/sparc
diff options
context:
space:
mode:
authorAndreas Jaeger <aj@suse.de>2000-09-05 08:34:12 +0000
committerAndreas Jaeger <aj@suse.de>2000-09-05 08:34:12 +0000
commitbc89eac996295a7ed39ea58572be271cbd8dacc3 (patch)
tree9db2330d13782b7fdbeecd856ccea875368fa51c /sysdeps/sparc
parenta0610dcad5ddf75e24ae65e04e22e2a481c1d7ee (diff)
downloadglibc-bc89eac996295a7ed39ea58572be271cbd8dacc3.tar
glibc-bc89eac996295a7ed39ea58572be271cbd8dacc3.tar.gz
glibc-bc89eac996295a7ed39ea58572be271cbd8dacc3.tar.bz2
glibc-bc89eac996295a7ed39ea58572be271cbd8dacc3.zip
Moved from soft-fp/sysdeps/sparc/sparc32/q_neg.c
Diffstat (limited to 'sysdeps/sparc')
-rw-r--r--sysdeps/sparc/sparc32/soft-fp/q_neg.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc32/soft-fp/q_neg.c b/sysdeps/sparc/sparc32/soft-fp/q_neg.c
new file mode 100644
index 0000000000..a1a5f2de92
--- /dev/null
+++ b/sysdeps/sparc/sparc32/soft-fp/q_neg.c
@@ -0,0 +1,47 @@
+/* Software floating-point emulation.
+ Return !a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_neg(const long double a)
+{
+ FP_DECL_EX;
+ long double c = a;
+
+#if (__BYTE_ORDER == __BIG_ENDIAN)
+ ((UWtype *)&c)[0] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 64)
+ ((UWtype *)&c)[1] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 32)
+ ((UWtype *)&c)[3] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#else
+ FP_DECL_Q(A); FP_DECL_Q(C);
+
+ FP_UNPACK_Q(A, a);
+ FP_NEG_Q(C, A);
+ FP_PACK_Q(c, C);
+#endif
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}