add power condition in blas.cpp

Author: sandeepgupta12

aten/src/ATen/native/Blas.cpp

@@ -297,22 +297,25 @@ _scaled_mm_out_cpu(const Tensor& mat1, const Tensor& mat2,
           bool use_fast_accum,
           Tensor& out) {
 #if AT_MKLDNN_ENABLED()
-  if (at::globalContext().userEnabledMkldnn()) {
-    bool mixed_dtype = mat1.scalar_type() != mat2.scalar_type();
-    if ((!mixed_dtype && cpuinfo_has_x86_amx_int8()) ||
-        (mixed_dtype && cpuinfo_has_x86_amx_fp16())) {
-      return mkldnn_scaled_mm(
-          mat1,
-          mat2,
-          scale_a,
-          scale_b,
-          bias,
-          scale_result,
-          out_dtype,
-          use_fast_accum,
-          out);
+  #ifndef __powerpc__
+    if (at::globalContext().userEnabledMkldnn()) {
+      bool mixed_dtype = mat1.scalar_type() != mat2.scalar_type();
+      if ((!mixed_dtype && cpuinfo_has_x86_amx_int8()) ||
+          (mixed_dtype && cpuinfo_has_x86_amx_fp16())) {
+        return mkldnn_scaled_mm(
+            mat1,
+            mat2,
+            scale_a,
+            scale_b,
+            bias,
+            scale_result,
+            out_dtype,
+            use_fast_accum,
+            out);
+      }
+
     }
-  }
+  #endif
 #endif
   {
   return _scaled_mm_out_cpu_emulated(mat1, mat2, scale_a, scale_b, bias, scale_result, out_dtype, use_fast_accum, out);