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Diffstat (limited to 'sysdeps/m68k/fpu/s_remquo.c')
-rw-r--r--sysdeps/m68k/fpu/s_remquo.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/m68k/fpu/s_remquo.c b/sysdeps/m68k/fpu/s_remquo.c
new file mode 100644
index 0000000000..5b65f85fbc
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_remquo.c
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+/* Compute remainder and a congruent to the quotient. m68k fpu version
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <math.h>
+
+#ifndef SUFF
+#define SUFF
+#endif
+#ifndef float_type
+#define float_type double
+#endif
+
+#define CONCATX(a,b) __CONCAT(a,b)
+#define s(name) CONCATX(name,SUFF)
+
+float_type
+s(__remquo) (float_type x, float_type y, int *quo)
+{
+ float_type result;
+ int cquo, fpsr;
+
+ __asm ("frem%.x %2,%0\n\tfmove%.l %/fpsr,%1"
+ : "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x));
+ cquo = (fpsr >> 16) & 0x7f;
+ if (fpsr & (1 << 23))
+ cquo = -cquo;
+ *quo = cquo;
+ return result;
+}
+#define weak_aliasx(a,b) weak_alias(a,b)
+weak_aliasx (s(__remquo), s(remquo))