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Diffstat (limited to 'sysdeps/alpha/soft-fp/ots_cmpe.c')
-rw-r--r--sysdeps/alpha/soft-fp/ots_cmpe.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/sysdeps/alpha/soft-fp/ots_cmpe.c b/sysdeps/alpha/soft-fp/ots_cmpe.c
new file mode 100644
index 0000000000..adeda848f4
--- /dev/null
+++ b/sysdeps/alpha/soft-fp/ots_cmpe.c
@@ -0,0 +1,82 @@
+/* Software floating-point emulation: comparison.
+ Copyright (C) 1997-2014 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 "local-soft-fp.h"
+
+static long
+internal_compare (long al, long ah, long bl, long bh)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ long r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q (r, A, B, 2);
+
+ /* Relative comparisons signal invalid operation if either operand is NaN. */
+ if (r == 2)
+ {
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+ }
+
+ return r;
+}
+
+long
+_OtsLssX (long al, long ah, long bl, long bh)
+{
+ long r = internal_compare (al, ah, bl, bh);
+ if (r == 2)
+ return -1;
+ else
+ return r < 0;
+}
+
+long
+_OtsLeqX (long al, long ah, long bl, long bh)
+{
+ long r = internal_compare (al, ah, bl, bh);
+ if (r == 2)
+ return -1;
+ else
+ return r <= 0;
+}
+
+long
+_OtsGtrX (long al, long ah, long bl, long bh)
+{
+ long r = internal_compare (al, ah, bl, bh);
+ if (r == 2)
+ return -1;
+ else
+ return r > 0;
+}
+
+long
+_OtsGeqX (long al, long ah, long bl, long bh)
+{
+ long r = internal_compare (al, ah, bl, bh);
+ if (r == 2)
+ return -1;
+ else
+ return r >= 0;
+}