pub fn __mulvsi3(a: i32, b: i32) callconv(.c) i32
pub fn __mulvsi3(a: i32, b: i32) callconv(.c) i32 { var overflow: c_int = 0; const sum = mulv.__mulosi4(a, b, &overflow); if (overflow != 0) @panic("compiler-rt: integer overflow"); return sum; }