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-rw-r--r--sysdeps/sparc/sparc32/q_neg.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc32/q_neg.c b/sysdeps/sparc/sparc32/q_neg.c
new file mode 100644
index 0000000000..1e0e0b7678
--- /dev/null
+++ b/sysdeps/sparc/sparc32/q_neg.c
@@ -0,0 +1,48 @@
+/* Software floating-point emulation.
+   Return !a
+   Copyright (C) 1997-2018 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_neg(const long double a)
+{
+  union {
+    long double	ldbl;
+    UWtype	words[4];
+  } c;
+
+  c.ldbl = a;
+
+#if (__BYTE_ORDER == __BIG_ENDIAN)
+  c.words[0] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 64)
+  c.words[1] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 32)
+  c.words[3] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#else
+  FP_DECL_Q(A); FP_DECL_Q(C);
+
+  FP_UNPACK_RAW_Q(A, a);
+  FP_NEG_Q(C, A);
+  FP_PACK_RAW_Q(c.ldbl, C);
+#endif
+  return c.ldbl;
+}