Moved from soft-fp/sysdeps/sparc/sparc32/q_neg.c

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;
+}