cpu: x64: gemm: disable po for unsupported data types & ISAs

Author: tczeszun

src/cpu/gemm_inner_product_utils.cpp

@@ -203,8 +203,8 @@ pp_kernel_t *pp_kernel_t::create(size_t OC, size_t MB, dim_t dst_mb_stride,
 bool post_ops_ok(const post_ops_t &post_ops, const memory_desc_wrapper *dst_d,
         const bcast_set_t &enabled_bcast_strategy) {
 #if DNNL_X64
-    static constexpr auto isa_supported
-            = x64::inner_product_utils::jit_pp_kernel_supported_isa();
+    const auto isa_supported
+            = x64::inner_product_utils::get_max_jit_pp_kernel_supported_isa();
     using namespace cpu::x64;
     if (mayiuse(isa_supported)) {
         using namespace x64::injector;
@@ -231,9 +231,8 @@ bool post_ops_ok(const post_ops_t &post_ops, const memory_desc_wrapper *dst_d,
                         is_binary_po_per_mb_w_bcast, utils::one_of(ndims, 3, 4))
                 && IMPLICATION(
                         is_binary_po_per_w_bcast, utils::one_of(ndims, 3, 4));
-        const cpu_isa_t isa = get_max_cpu_isa();
         return supported_binary_bcast
-                && injector::post_ops_ok(post_ops_ok_args_t(isa,
+                && injector::post_ops_ok(post_ops_ok_args_t(isa_supported,
                         {binary, eltwise, sum}, post_ops, dst_d,
                         sum_at_pos_0_only, sum_requires_scale_one,
                         sum_requires_zp_zero, sum_requires_same_params,

src/cpu/x64/jit_gemm_inner_product_utils.hpp

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright 2020-2021 Intel Corporation
+* Copyright 2020-2023 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -30,7 +30,15 @@ cpu::inner_product_utils::pp_kernel_t *jit_pp_kernel_create(size_t OC,
         data_type_t bias_dt, data_type_t acc_dt, const memory_desc_t *dst_md,
         bool skip_sum);
 
-constexpr cpu_isa_t jit_pp_kernel_supported_isa() {
+inline cpu_isa_t get_max_jit_pp_kernel_supported_isa() {
+#define CASE(isa) \
+    do { \
+        if (mayiuse(isa)) return isa; \
+    } while (false)
+    CASE(avx512_core_bf16);
+    CASE(avx512_core);
+    CASE(avx2);
+#undef CASE
     return sse41;
 }