From 63a103ba6e8a55c4f117f99716d71ef341a03fa1 Mon Sep 17 00:00:00 2001
From: Wangyang Guo <wangyang.guo@intel.com>
Date: Tue, 12 Oct 2021 01:18:37 -0700
Subject: [PATCH] sbgemm: spr: disable small matrix path by default

---
 kernel/x86_64/KERNEL.SAPPHIRERAPIDS           |  2 +
 .../x86_64/sbgemm_small_kernel_permit_spr.c   | 42 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 kernel/x86_64/sbgemm_small_kernel_permit_spr.c

diff --git a/kernel/x86_64/KERNEL.SAPPHIRERAPIDS b/kernel/x86_64/KERNEL.SAPPHIRERAPIDS
index e061b913d..88f574668 100644
--- a/kernel/x86_64/KERNEL.SAPPHIRERAPIDS
+++ b/kernel/x86_64/KERNEL.SAPPHIRERAPIDS
@@ -1,5 +1,7 @@
 include $(KERNELDIR)/KERNEL.COOPERLAKE
 
+SBGEMM_SMALL_M_PERMIT = sbgemm_small_kernel_permit_spr.c
+
 SBGEMM_BETA     = sgemm_beta_skylakex.c
 SBGEMMKERNEL    = sbgemm_kernel_16x16_spr.c
 SBGEMMINCOPY    = sbgemm_ncopy_16_cooperlake.c
diff --git a/kernel/x86_64/sbgemm_small_kernel_permit_spr.c b/kernel/x86_64/sbgemm_small_kernel_permit_spr.c
new file mode 100644
index 000000000..98d8ca06a
--- /dev/null
+++ b/kernel/x86_64/sbgemm_small_kernel_permit_spr.c
@@ -0,0 +1,42 @@
+/***************************************************************************
+Copyright (c) 2021, The OpenBLAS Project
+All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in
+the documentation and/or other materials provided with the
+distribution.
+3. Neither the name of the OpenBLAS project nor the names of
+its contributors may be used to endorse or promote products
+derived from this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*****************************************************************************/
+
+#include "common.h"
+
+#include "sbgemm_block_microk_cooperlake.c"
+// Define micro kernels for ALPHA not ONE scenarios
+#undef  ONE_ALPHA
+#include "sbgemm_microk_cooperlake_template.c"
+
+// Define micro kernels for ALPHA as ONE scenarios
+#define ONE_ALPHA 1
+#include "sbgemm_microk_cooperlake_template.c"
+
+int CNAME(int transa, int transb, BLASLONG M, BLASLONG N, BLASLONG K, FLOAT alpha, FLOAT beta)
+{
+	return 0;
+}