1 files changed, 47 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/m680x0/fpu/s_remquo.c b/ports/sysdeps/m68k/m680x0/fpu/s_remquo.c
new file mode 100644
index 0000000000..1395f7e013
--- /dev/null
+++ b/ports/sysdeps/m68k/m680x0/fpu/s_remquo.c
@@ -0,0 +1,47 @@
+/* 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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))