diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/msp430/mpy.c')
-rw-r--r-- | gcc-4.9/libgcc/config/msp430/mpy.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/msp430/mpy.c b/gcc-4.9/libgcc/config/msp430/mpy.c new file mode 100644 index 000000000..57cffd0ba --- /dev/null +++ b/gcc-4.9/libgcc/config/msp430/mpy.c @@ -0,0 +1,15 @@ +/* Public domain. */ +extern int __mulhi3 (int, int); + +int +__mulhi3 (int x, int y) +{ + volatile int rv = 0; + + while (y > 0) + { + rv += x; + y --; + } + return rv; +} |