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authorJoseph Myers <joseph@codesourcery.com>2013-10-10 23:57:22 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-10-10 23:57:22 +0000
commit6c6352e69858e8c9ca5bc3c4ad4315b3e651d61e (patch)
treed3f45401055e44e469d1f23082970d026d0e8182 /soft-fp/extendxftf2.c
parentUpdate sparc ULPs. (diff)
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Add soft-fp files from libgcc.
Diffstat (limited to 'soft-fp/extendxftf2.c')
-rw-r--r--soft-fp/extendxftf2.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/soft-fp/extendxftf2.c b/soft-fp/extendxftf2.c
new file mode 100644
index 0000000000..af29a2ae9c
--- /dev/null
+++ b/soft-fp/extendxftf2.c
@@ -0,0 +1,53 @@
+/* Software floating-point emulation.
+ Return a converted to IEEE quad
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Uros Bizjak (ubizjak@gmail.com).
+
+ 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.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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, write to the Free
+ Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "soft-fp.h"
+#include "extended.h"
+#include "quad.h"
+
+TFtype __extendxftf2(XFtype a)
+{
+ FP_DECL_EX;
+ FP_DECL_E(A);
+ FP_DECL_Q(R);
+ TFtype r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_E(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_EXTEND(Q,E,4,4,R,A);
+#else
+ FP_EXTEND(Q,E,2,2,R,A);
+#endif
+ FP_PACK_RAW_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}