COMPMID-2378: Sanitize GEMM configuration for NEON

Change-Id: I7859b82b2059e14685f8792424648ac5eacd67f1
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1418
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp b/src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp
index f4485bc..e1af2d4 100644
--- a/src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp
+++ b/src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp
@@ -61,12 +61,16 @@
                 switch ((y + 5) - ymax) {
                     case 4:
                         outptr1 = dummyres;
+                        // fall through
                     case 3:
                         outptr2 = dummyres;
+                        // fall through
                     case 2:
                         outptr3 = dummyres;
+                        // fall through
                     case 1:
                         outptr4 = dummyres;
+                        // fall through
                     case 0:
                         outptr5 = dummyres;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_12x8.hpp b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_12x8.hpp
index be23978..9fca4e3 100644
--- a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_12x8.hpp
+++ b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_12x8.hpp
@@ -63,16 +63,22 @@
                 switch ((y + 7) - ymax) {
                     case 6:
                         outptr1 = dummyres;
+                        // fall through
                     case 5:
                         outptr2 = dummyres;
+                        // fall through
                     case 4:
                         outptr3 = dummyres;
+                        // fall through
                     case 3:
                         outptr4 = dummyres;
+                        // fall through
                     case 2:
                         outptr5 = dummyres;
+                        // fall through
                     case 1:
                         outptr6 = dummyres;
+                        // fall through
                     case 0:
                         outptr7 = dummyres;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_to_half_12x8.hpp b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_to_half_12x8.hpp
index 9e5eb88..0e638ee 100644
--- a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_to_half_12x8.hpp
+++ b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_float_to_half_12x8.hpp
@@ -66,16 +66,22 @@
                 switch ((y + 7) - ymax) {
                     case 6:
                         outptr1 = dummyres;
+                        // fall through
                     case 5:
                         outptr2 = dummyres;
+                        // fall through
                     case 4:
                         outptr3 = dummyres;
+                        // fall through
                     case 3:
                         outptr4 = dummyres;
+                        // fall through
                     case 2:
                         outptr5 = dummyres;
+                        // fall through
                     case 1:
                         outptr6 = dummyres;
+                        // fall through
                     case 0:
                         outptr7 = dummyres;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_half_24x8.hpp b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_half_24x8.hpp
index 3ed43b1..60cc2f3 100644
--- a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_half_24x8.hpp
+++ b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_half_24x8.hpp
@@ -65,16 +65,22 @@
                 switch ((y + 7) - ymax) {
                     case 6:
                         outptr1 = dummyres;
+                        // fall through
                     case 5:
                         outptr2 = dummyres;
+                        // fall through
                     case 4:
                         outptr3 = dummyres;
+                        // fall through
                     case 3:
                         outptr4 = dummyres;
+                        // fall through
                     case 2:
                         outptr5 = dummyres;
+                        // fall through
                     case 1:
                         outptr6 = dummyres;
+                        // fall through
                     case 0:
                         outptr7 = dummyres;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_int32_12x8.hpp b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_int32_12x8.hpp
index 35d4cc5..0212dfd 100644
--- a/src/core/NEON/kernels/arm_gemm/merges/a64_merge_int32_12x8.hpp
+++ b/src/core/NEON/kernels/arm_gemm/merges/a64_merge_int32_12x8.hpp
@@ -63,16 +63,22 @@
                 switch ((y + 7) - ymax) {
                     case 6:
                         outptr1 = dummyres;
+                        // fall through
                     case 5:
                         outptr2 = dummyres;
+                        // fall through
                     case 4:
                         outptr3 = dummyres;
+                        // fall through
                     case 3:
                         outptr4 = dummyres;
+                        // fall through
                     case 2:
                         outptr5 = dummyres;
+                        // fall through
                     case 1:
                         outptr6 = dummyres;
+                        // fall through
                     case 0:
                         outptr7 = dummyres;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/transforms/a32_interleave_6way_32bit.hpp b/src/core/NEON/kernels/arm_gemm/transforms/a32_interleave_6way_32bit.hpp
index 20ad301..a460fdf 100644
--- a/src/core/NEON/kernels/arm_gemm/transforms/a32_interleave_6way_32bit.hpp
+++ b/src/core/NEON/kernels/arm_gemm/transforms/a32_interleave_6way_32bit.hpp
@@ -60,12 +60,16 @@
                     /* Everything falls through in here */
                     case 4:
                         inptr1 = zerobuff;
+                        // fall through
                     case 3:
                         inptr2 = zerobuff;
+                        // fall through
                     case 2:
                         inptr3 = zerobuff;
+                        // fall through
                     case 1:
                         inptr4 = zerobuff;
+                        // fall through
                     case 0:
                         inptr5 = zerobuff;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/transforms/a64_block16_interleave4_8bit.hpp b/src/core/NEON/kernels/arm_gemm/transforms/a64_block16_interleave4_8bit.hpp
index 2f513a6..6a15fc4 100644
--- a/src/core/NEON/kernels/arm_gemm/transforms/a64_block16_interleave4_8bit.hpp
+++ b/src/core/NEON/kernels/arm_gemm/transforms/a64_block16_interleave4_8bit.hpp
@@ -57,8 +57,10 @@
                     /* Everything falls through in here */
                     case 2:
                         inptr1 = zerobuff;
+                        // fall through
                     case 1:
                         inptr2 = zerobuff;
+                        // fall through
                     case 0:
                         inptr3 = zerobuff;
                         break;
@@ -93,8 +95,10 @@
                     /* Everything falls through in here */
                     case 2:
                         inptr1 = zerobuff;
+                        // fall through
                     case 1:
                         inptr2 = zerobuff;
+                        // fall through
                     case 0:
                         inptr3 = zerobuff;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_16bit.hpp b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_16bit.hpp
index 27136d1..0028ab0 100644
--- a/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_16bit.hpp
+++ b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_16bit.hpp
@@ -64,16 +64,22 @@
                     /* Everything falls through in here */
                     case 6:
                         inptr1 = zerobuff;
+                        // fall through
                     case 5:
                         inptr2 = zerobuff;
+                        // fall through
                     case 4:
                         inptr3 = zerobuff;
+                        // fall through
                     case 3:
                         inptr4 = zerobuff;
+                        // fall through
                     case 2:
                         inptr5 = zerobuff;
+                        // fall through
                     case 1:
                         inptr6 = zerobuff;
+                        // fall through
                     case 0:
                         inptr7 = zerobuff;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp
index 54822c8..758c084 100644
--- a/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp
+++ b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp
@@ -64,16 +64,22 @@
                     /* Everything falls through in here */
                     case 6:
                         inptr1 = zerobuff;
+                        // fall through
                     case 5:
                         inptr2 = zerobuff;
+                        // fall through
                     case 4:
                         inptr3 = zerobuff;
+                        // fall through
                     case 3:
                         inptr4 = zerobuff;
+                        // fall through
                     case 2:
                         inptr5 = zerobuff;
+                        // fall through
                     case 1:
                         inptr6 = zerobuff;
+                        // fall through
                     case 0:
                         inptr7 = zerobuff;
                         break;
diff --git a/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_half_to_float.hpp b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_half_to_float.hpp
index 0606330..de8e95a 100644
--- a/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_half_to_float.hpp
+++ b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_half_to_float.hpp
@@ -64,16 +64,22 @@
                     /* Everything falls through in here */
                     case 6:
                         inptr1 = zerobuff;
+                        // fall through
                     case 5:
                         inptr2 = zerobuff;
+                        // fall through
                     case 4:
                         inptr3 = zerobuff;
+                        // fall through
                     case 3:
                         inptr4 = zerobuff;
+                        // fall through
                     case 2:
                         inptr5 = zerobuff;
+                        // fall through
                     case 1:
                         inptr6 = zerobuff;
+                        // fall through
                     case 0:
                         inptr7 = zerobuff;
                         break;