[AABS] Fix aabs on ppu backend

Author: zhzhcookie

python/triton/runtime/adjust_kernel_param.py

@@ -1337,16 +1337,16 @@ def auto_adjust_block_sizes(nargs, fn, configs, current, config):
             adjust_block_size_dot_m_dim_only(nargs, current, config, tma_m_map, 64)  # mthreads
 
     if ge_k_map:  # tl.dot with general tl.load
-        if FLAGTREE_BACKEND == "":
+        if FLAGTREE_BACKEND in ("", "ppu"):
             if knobs.autotuning.print:
                 print("[AABS] 4. adjust bs in tl.dot with general tl.load")
             adjust_block_size_general_dot_mn_dim(nargs, current, config, ge_k_map, 16)
-        if FLAGTREE_BACKEND == "hcu":
+        elif FLAGTREE_BACKEND == "hcu":
             if knobs.autotuning.print:
                 print("[AABS] 4. adjust bs in tl.dot with general tl.load")
             adjust_block_size_general_dot_mn_dim(nargs, current, config, ge_m_map, 16)
             adjust_block_size_general_dot_mn_dim(nargs, current, config, ge_n_map, 16)
-        if FLAGTREE_BACKEND == "sunrise":
+        elif FLAGTREE_BACKEND == "sunrise":
             # sunrise min_dot_size = (M=8, N=8, K=16/4) (see sunrise compiler.py
             # min_dot_size). The tl.load shrink path above can lower a BLOCK that
             # also feeds tl.dot below the dot lower bound; bump M/N/K back up to