Add error notes

src/include/migraphx/op/broadcast.hpp

@@ -70,7 +70,8 @@ struct broadcast
             // value of axis anymore
             if(axis >= broadcast_lens.size())
             {
-                MIGRAPHX_THROW("BROADCAST : axis is out of range");
+                MIGRAPHX_THROW("BROADCAST : axis " + migraphx::to_string(axis) +
+                               " is out of range");
             }
             if(broadcast_lens.size() - axis < s0.lens().size())
             {
@@ -113,15 +114,21 @@ struct broadcast
             {
                 s0 = s0.to_dynamic();
                 if(s0.dyn_dims()[0] != s1.dyn_dims()[axis])
+                {
                     MIGRAPHX_THROW("BROADCAST_2in: s0 length doesn't match with dynamic s1 axis "
-                                   "dimension length");
+                                   "dimension length (" +
+                                   migraphx::to_string(s0.dyn_dims()[0]) +
+                                   " != " + migraphx::to_string(s1.dyn_dims()[axis]) + ")");
+                }
                 return s1;
             }
 
             if(s0.lens()[0] != s1.lens()[axis])
             {
-                MIGRAPHX_THROW(
-                    "BROADCAST_2in: s0 length doesn't match with static s1 axis dimension length");
+                MIGRAPHX_THROW("BROADCAST_2in: s0 length doesn't match with static s1 axis "
+                               "dimension length (" +
+                               migraphx::to_string(s0.dyn_dims()[0]) +
+                               " != " + migraphx::to_string(s1.dyn_dims()[axis]) + ")");
             }
             std::vector<size_t> bcast_strides(s1.ndim(), 0);
             std::copy(s0.strides().begin(), s0.strides().end(), bcast_strides.begin() + axis);