1 files changed, 73 insertions, 0 deletions
diff --git a/libgcc/config/msp430/lib2mul.c b/libgcc/config/msp430/lib2mul.c
new file mode 100644
index 0000000000..f3c1d6f1f5
--- /dev/null
+++ b/libgcc/config/msp430/lib2mul.c
@@ -0,0 +1,73 @@
+/* libgcc routines for MSP430
+   Copyright (C) 2005-2017 Free Software Foundation, Inc.
+   Contributed by Red Hat.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3, or (at your
+   option) any later version.
+
+   GCC 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 General Public
+   License for more details.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+typedef unsigned int  uint32_type   __attribute__ ((mode (SI)));
+typedef unsigned int  uint16_type   __attribute__ ((mode (HI)));
+typedef unsigned int  uint08_type   __attribute__ ((mode (QI)));
+
+#define C3B(a,b,c) a##b##c
+#define C3(a,b,c) C3B(a,b,c)
+
+#if defined MUL_NONE
+
+/* The software multiply library needs __mspabi_mpyll.  */
+
+#undef UINT_TYPE
+#undef BITS_MINUS_1
+#undef NAME_MODE
+
+#define UINT_TYPE	uint32_type
+#define BITS_MINUS_1	31
+#define NAME_MODE	si
+
+#include "msp430-mul.h"
+
+#elif defined MUL_16
+
+signed long long
+__mspabi_mpysll (signed long a, signed long b)
+{
+  return (signed long long) a * (signed long long) b;
+}
+
+unsigned long long
+__mspabi_mpyull (unsigned long a, unsigned long b)
+{
+  return (unsigned long long) a * (unsigned long long) b;
+}
+
+#else
+
+#undef UINT_TYPE
+#undef BITS_MINUS_1
+#undef NAME_MODE
+
+#define UINT_TYPE	uint08_type
+#define BITS_MINUS_1	7
+#define NAME_MODE	qi
+
+#include "msp430-mul.h"
+
+#endif /* MUL_NONE */