diff --git a/lib/codegen/selection/generator.cc b/lib/codegen/selection/generator.cc
index d35245942..3335156ab 100644
--- a/lib/codegen/selection/generator.cc
+++ b/lib/codegen/selection/generator.cc
@@ -2974,18 +2974,18 @@ void generator::visit_dot_inst(ir::dot_inst* dot) {
   unsigned NK = A_shapes[red_axis];
   bool is_outer = NK == 1;
 #ifdef USE_ROCM
-  bool is_mma = layouts_->get(dot)->to_mma();
-#else
   bool is_mma = false;
+#else
+  bool is_mma = layouts_->get(dot)->to_mma();
 #endif
   if(!is_outer && is_mma && tgt_->as_nvidia() && tgt_->as_nvidia()->sm() < 80)
     return visit_mma884(dot, A, B, D, NK);
   if(!is_outer && is_mma && tgt_->as_nvidia() && tgt_->as_nvidia()->sm() >= 80)
     return visit_mma16816(dot, A, B, D, NK); // rename it as visit_mma_v2()?
-  if (dot->get_type()->get_scalar_ty()->is_fp32_ty() &&
-      A->get_type()->get_scalar_ty()->is_fp32_ty())
-    return visit_fmadot(dot, A, B, D, NK, c_ty, f_mul_add);
-  throw std::runtime_error("dot has invalid operand type");
+  // if (dot->get_type()->get_scalar_ty()->is_fp32_ty() &&
+  //     A->get_type()->get_scalar_ty()->is_fp32_ty())
+  return visit_fmadot(dot, A, B, D, NK, c_ty, f_mul_add);
+  // throw std::runtime_error("dot has invalid operand type");
 }
 
 void generator::visit_trans_inst(ir::trans_inst* trans) {
diff --git a/scripts/amd/backtrace.sh b/scripts/amd/backtrace.sh
index 41d66f985..1616f481e 100644
--- a/scripts/amd/backtrace.sh
+++ b/scripts/amd/backtrace.sh
@@ -7,7 +7,7 @@ sudo apt install gdb -y
 
 gdb -ex "set pagination off" \
     -ex "file python" \
-    -ex 'run -m pytest --capture=tee-sys --verbose "python/test/unit/language/test_core.py::test_dot"' \
+    -ex 'run -m pytest --capture=tee-sys --verbose "python/test/unit/language/test_core.py::test_dot[none-False-float16]"' \
     -ex "backtrace" \
     -ex "set confirm off" \
     -ex "q" \