Update CPU kernels to remove x19

Resolves: COMPMID-5805
Signed-off-by: Michael Tyler <michael.tyler@arm.com>
Change-Id: I250f64531e209625e4ff176dd5a552c1c34bc484
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/8909
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/arm_gemm/transforms/a64_transpose_interleave_24.hpp b/src/core/NEON/kernels/arm_gemm/transforms/a64_transpose_interleave_24.hpp
index 9f3ab95..20f9d39 100644
--- a/src/core/NEON/kernels/arm_gemm/transforms/a64_transpose_interleave_24.hpp
+++ b/src/core/NEON/kernels/arm_gemm/transforms/a64_transpose_interleave_24.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited.
+ * Copyright (c) 2021, 2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -10,16 +10,16 @@
  * sell copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
  *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
 
 #pragma once
@@ -36,195 +36,194 @@
       "cmp %x[height], #0x4\n"
       "blt 10f\n"
       "1:"  // Main row loop: Head
-      "mov x24, %x[in]\n"
-      "mov x23, %x[out]\n"
-      "add x22, x24, %x[in_stride]\n"
-      "add x21, x22, %x[in_stride]\n"
-      "add x20, x21, %x[in_stride]\n"
+      "mov x25, %x[in]\n"
+      "mov x24, %x[width]\n"
+      "add x23, x25, %x[in_stride]\n"
+      "add x22, x23, %x[in_stride]\n"
+      "add x20, x22, %x[in_stride]\n"
+      "cmp x24, #0x18\n"
       "add %x[in], x20, %x[in_stride]\n"
+      "mov x21, %x[out]\n"
       "sub %x[height], %x[height], #0x4\n"
-      "mov x19, %x[width]\n"
-      "cmp x19, #0x18\n"
       "blt 3f\n"
       "2:"  // Main row loop: Unroll column loop
-      "ldr q29, [x24], #0x10\n"
-      "sub x19, x19, #0x18\n"
-      "ldr q18, [x22], #0x10\n"
-      "dup v28.2d, v18.d[1]\n"
-      "ldr q16, [x24], #0x10\n"
-      "cmp x19, #0x18\n"
-      "dup v27.2d, v16.d[0]\n"
-      "ldr q17, [x24], #0x10\n"
-      "dup v26.2d, v16.d[1]\n"
+      "ldr q1, [x25], #0x10\n"
+      "ldr q0, [x22], #0x10\n"
+      "sub x24, x24, #0x18\n"
+      "cmp x24, #0x18\n"
+      "ldr q17, [x25], #0x10\n"
+      "ldr q31, [x23], #0x10\n"
+      "dup v30.2d, v17.d[0]\n"
+      "dup v29.2d, v31.d[1]\n"
       "ldr q16, [x22], #0x10\n"
-      "mov v27.d[1], v18.d[0]\n"
-      "ldr q25, [x21], #0x10\n"
-      "ldr q24, [x20], #0x10\n"
-      "mov v26.d[1], v17.d[0]\n"
-      "ldr q23, [x22], #0x10\n"
-      "mov v28.d[1], v16.d[0]\n"
-      "dup v22.2d, v17.d[1]\n"
-      "ldr q17, [x21], #0x10\n"
-      "dup v21.2d, v24.d[1]\n"
+      "ldr q28, [x20], #0x10\n"
+      "dup v27.2d, v16.d[0]\n"
+      "dup v26.2d, v28.d[1]\n"
+      "ldr q25, [x25], #0x10\n"
+      "ldr q24, [x22], #0x10\n"
+      "dup v23.2d, v17.d[1]\n"
+      "dup v22.2d, v25.d[1]\n"
+      "ldr q21, [x23], #0x10\n"
       "ldr q20, [x20], #0x10\n"
-      "mov v22.d[1], v16.d[1]\n"
-      "ldr q16, [x21], #0x10\n"
-      "dup v19.2d, v17.d[0]\n"
-      "dup v18.2d, v17.d[1]\n"
-      "ldr q17, [x20], #0x10\n"
+      "dup v19.2d, v16.d[1]\n"
+      "dup v18.2d, v24.d[1]\n"
+      "ldr q17, [x23], #0x10\n"
+      "ldr q16, [x20], #0x10\n"
+      "mov v30.d[1], v31.d[0]\n"
+      "mov v29.d[1], v21.d[0]\n"
+      "mov v27.d[1], v28.d[0]\n"
+      "mov v26.d[1], v20.d[0]\n"
+      "str q1, [x21, #0x0]\n"
+      "str q30, [x21, #0x10]\n"
+      "mov v23.d[1], v25.d[0]\n"
+      "mov v22.d[1], v21.d[1]\n"
+      "str q29, [x21, #0x20]\n"
       "mov v19.d[1], v24.d[0]\n"
-      "str q29, [x23, #0x0]\n"
-      "mov v21.d[1], v20.d[0]\n"
-      "str q27, [x23, #0x10]\n"
-      "str q28, [x23, #0x20]\n"
-      "mov v18.d[1], v16.d[0]\n"
-      "dup v16.2d, v16.d[1]\n"
-      "str q25, [x23, #0x30]\n"
-      "mov v16.d[1], v20.d[1]\n"
-      "str q19, [x23, #0x40]\n"
-      "str q21, [x23, #0x50]\n"
-      "add x23, x23, %x[out_stride]\n"
-      "str q26, [x23, #0x0]\n"
-      "str q22, [x23, #0x10]\n"
-      "str q23, [x23, #0x20]\n"
-      "str q18, [x23, #0x30]\n"
-      "str q16, [x23, #0x40]\n"
-      "str q17, [x23, #0x50]\n"
-      "add x23, x23, %x[out_stride]\n"
+      "mov v18.d[1], v20.d[1]\n"
+      "str q0, [x21, #0x30]\n"
+      "str q27, [x21, #0x40]\n"
+      "str q26, [x21, #0x50]\n"
+      "add x21, x21, %x[out_stride]\n"
+      "str q23, [x21, #0x0]\n"
+      "str q22, [x21, #0x10]\n"
+      "str q17, [x21, #0x20]\n"
+      "str q19, [x21, #0x30]\n"
+      "str q18, [x21, #0x40]\n"
+      "str q16, [x21, #0x50]\n"
+      "add x21, x21, %x[out_stride]\n"
       "bge 2b\n"
       "3:"  // Main row loop: Unroll column loop skip
-      "cmp x19, #0xc\n"
+      "cmp x24, #0xc\n"
       "blt 5f\n"
       "4:"  // Main row loop: Column loop
-      "ldr q22, [x24], #0x10\n"
-      "sub x19, x19, #0xc\n"
-      "ldr q16, [x22], #0x10\n"
-      "dup v21.2d, v16.d[1]\n"
-      "ldr d20, [x24], #0x8\n"
-      "cmp x19, #0xc\n"
-      "mov v20.d[1], v16.d[0]\n"
-      "ldr d16, [x22], #0x8\n"
-      "ldr q19, [x21], #0x10\n"
+      "ldr q17, [x23], #0x10\n"
+      "ldr q23, [x20], #0x10\n"
+      "dup v22.2d, v17.d[1]\n"
+      "dup v21.2d, v23.d[1]\n"
+      "ldr q20, [x25], #0x10\n"
+      "ldr q19, [x22], #0x10\n"
+      "sub x24, x24, #0xc\n"
+      "cmp x24, #0xc\n"
+      "ldr d18, [x25], #0x8\n"
+      "ldr d16, [x23], #0x8\n"
+      "mov v18.d[1], v17.d[0]\n"
+      "mov v22.d[1], v16.d[0]\n"
+      "ldr d17, [x22], #0x8\n"
+      "ldr d16, [x20], #0x8\n"
+      "mov v17.d[1], v23.d[0]\n"
       "mov v21.d[1], v16.d[0]\n"
-      "ldr d18, [x21], #0x8\n"
-      "ldr q16, [x20], #0x10\n"
-      "mov v18.d[1], v16.d[0]\n"
-      "ldr d17, [x20], #0x8\n"
-      "dup v16.2d, v16.d[1]\n"
-      "str q22, [x23, #0x0]\n"
-      "str q20, [x23, #0x10]\n"
-      "mov v16.d[1], v17.d[0]\n"
-      "str q21, [x23, #0x20]\n"
-      "str q19, [x23, #0x30]\n"
-      "str q18, [x23, #0x40]\n"
-      "str q16, [x23, #0x50]\n"
-      "add x23, x23, %x[out_stride]\n"
+      "str q20, [x21, #0x0]\n"
+      "str q18, [x21, #0x10]\n"
+      "str q22, [x21, #0x20]\n"
+      "str q19, [x21, #0x30]\n"
+      "str q17, [x21, #0x40]\n"
+      "str q21, [x21, #0x50]\n"
+      "add x21, x21, %x[out_stride]\n"
       "bge 4b\n"
       "5:"  // Main row loop: Column loop skip
-      "cmp x19, #0x4\n"
+      "cmp x24, #0x4\n"
       "blt 7f\n"
       "6:"  // Main row loop: width 4 loop: loop
-      "ldr d19, [x24], #0x8\n"
-      "sub x19, x19, #0x4\n"
-      "ldr d18, [x22], #0x8\n"
-      "cmp x19, #0x4\n"
-      "ldr d17, [x21], #0x8\n"
+      "ldr d19, [x25], #0x8\n"
+      "ldr d18, [x23], #0x8\n"
+      "sub x24, x24, #0x4\n"
+      "cmp x24, #0x4\n"
+      "ldr d17, [x22], #0x8\n"
       "ldr d16, [x20], #0x8\n"
-      "str d19, [x23, #0x0]\n"
-      "str d18, [x23, #0x18]\n"
-      "str d17, [x23, #0x30]\n"
-      "str d16, [x23, #0x48]\n"
-      "add x23, x23, #0x8\n"
+      "str d19, [x21, #0x0]\n"
+      "str d18, [x21, #0x18]\n"
+      "str d17, [x21, #0x30]\n"
+      "str d16, [x21, #0x48]\n"
+      "add x21, x21, #0x8\n"
       "bge 6b\n"
       "7:"  // Main row loop: width 4 loop: skip
-      "cmp x19, #0x1\n"
+      "cmp x24, #0x1\n"
       "blt 9f\n"
       "8:"  // Main row loop: width 1 loop: loop
-      "ldr h19, [x24], #0x2\n"
-      "sub x19, x19, #0x1\n"
-      "ldr h18, [x22], #0x2\n"
-      "cmp x19, #0x1\n"
-      "ldr h17, [x21], #0x2\n"
+      "ldr h19, [x25], #0x2\n"
+      "ldr h18, [x23], #0x2\n"
+      "sub x24, x24, #0x1\n"
+      "cmp x24, #0x1\n"
+      "ldr h17, [x22], #0x2\n"
       "ldr h16, [x20], #0x2\n"
-      "str h19, [x23, #0x0]\n"
-      "str h18, [x23, #0x18]\n"
-      "str h17, [x23, #0x30]\n"
-      "str h16, [x23, #0x48]\n"
-      "add x23, x23, #0x2\n"
+      "str h19, [x21, #0x0]\n"
+      "str h18, [x21, #0x18]\n"
+      "str h17, [x21, #0x30]\n"
+      "str h16, [x21, #0x48]\n"
+      "add x21, x21, #0x2\n"
       "bge 8b\n"
       "9:"  // Main row loop: width 1 loop: skip
-      "add %x[out], %x[out], #0x60\n"
       "cmp %x[height], #0x4\n"
+      "add %x[out], %x[out], #0x60\n"
       "bge 1b\n"
       "cbz %x[height], 20f\n"
       "10:"  // Main loop skip
 
       "11:"  // Tail row loop: Head
-      "mov x24, %x[in]\n"
-      "mov x23, %x[out]\n"
-      "add %x[in], x24, %x[in_stride]\n"
+      "mov x20, %x[width]\n"
+      "mov x25, %x[in]\n"
+      "cmp x20, #0x18\n"
+      "add %x[in], x25, %x[in_stride]\n"
+      "mov x21, %x[out]\n"
       "sub %x[height], %x[height], #0x1\n"
-      "mov x19, %x[width]\n"
-      "cmp x19, #0x18\n"
       "blt 13f\n"
       "12:"  // Tail row loop: Unroll column loop
-      "ldr q19, [x24], #0x10\n"
-      "sub x19, x19, #0x18\n"
-      "cmp x19, #0x18\n"
-      "ldr q16, [x24], #0x10\n"
-      "dup v18.2d, v16.d[0]\n"
-      "ldr q17, [x24], #0x10\n"
-      "dup v16.2d, v16.d[1]\n"
-      "str q19, [x23, #0x0]\n"
-      "str d18, [x23, #0x10]\n"
-      "mov v16.d[1], v17.d[0]\n"
-      "add x23, x23, %x[out_stride]\n"
-      "str q16, [x23, #0x0]\n"
+      "ldr q19, [x25], #0x10\n"
+      "ldr q16, [x25], #0x10\n"
+      "dup v18.2d, v16.d[1]\n"
+      "sub x20, x20, #0x18\n"
+      "ldr q17, [x25], #0x10\n"
+      "dup v16.2d, v16.d[0]\n"
+      "str q19, [x21, #0x0]\n"
+      "cmp x20, #0x18\n"
+      "str d16, [x21, #0x10]\n"
+      "add x21, x21, %x[out_stride]\n"
+      "mov v18.d[1], v17.d[0]\n"
       "dup v16.2d, v17.d[1]\n"
-      "str d16, [x23, #0x10]\n"
-      "add x23, x23, %x[out_stride]\n"
+      "str q18, [x21, #0x0]\n"
+      "str d16, [x21, #0x10]\n"
+      "add x21, x21, %x[out_stride]\n"
       "bge 12b\n"
       "13:"  // Tail row loop: Unroll column loop skip
-      "cmp x19, #0xc\n"
+      "cmp x20, #0xc\n"
       "blt 15f\n"
       "14:"  // Tail row loop: Column loop
-      "ldr q17, [x24], #0x10\n"
-      "sub x19, x19, #0xc\n"
-      "cmp x19, #0xc\n"
-      "ldr d16, [x24], #0x8\n"
-      "str q17, [x23, #0x0]\n"
-      "str d16, [x23, #0x10]\n"
-      "add x23, x23, %x[out_stride]\n"
+      "ldr q17, [x25], #0x10\n"
+      "ldr d16, [x25], #0x8\n"
+      "sub x20, x20, #0xc\n"
+      "cmp x20, #0xc\n"
+      "str q17, [x21, #0x0]\n"
+      "str d16, [x21, #0x10]\n"
+      "add x21, x21, %x[out_stride]\n"
       "bge 14b\n"
       "15:"  // Tail row loop: Column loop skip
-      "cmp x19, #0x4\n"
+      "cmp x20, #0x4\n"
       "blt 17f\n"
       "16:"  // Tail row loop: width 4 loop: loop
-      "ldr d16, [x24], #0x8\n"
-      "sub x19, x19, #0x4\n"
-      "cmp x19, #0x4\n"
-      "str d16, [x23, #0x0]\n"
-      "add x23, x23, #0x8\n"
+      "ldr d16, [x25], #0x8\n"
+      "sub x20, x20, #0x4\n"
+      "cmp x20, #0x4\n"
+      "str d16, [x21, #0x0]\n"
+      "add x21, x21, #0x8\n"
       "bge 16b\n"
       "17:"  // Tail row loop: width 4 loop: skip
-      "cmp x19, #0x1\n"
+      "cmp x20, #0x1\n"
       "blt 19f\n"
       "18:"  // Tail row loop: width 1 loop: loop
-      "ldr h16, [x24], #0x2\n"
-      "sub x19, x19, #0x1\n"
-      "cmp x19, #0x1\n"
-      "str h16, [x23, #0x0]\n"
-      "add x23, x23, #0x2\n"
+      "ldr h16, [x25], #0x2\n"
+      "sub x20, x20, #0x1\n"
+      "cmp x20, #0x1\n"
+      "str h16, [x21, #0x0]\n"
+      "add x21, x21, #0x2\n"
       "bge 18b\n"
       "19:"  // Tail row loop: width 1 loop: skip
-      "add %x[out], %x[out], #0x18\n"
       "cmp %x[height], #0x1\n"
+      "add %x[out], %x[out], #0x18\n"
       "bge 11b\n"
       "20:"  // Done
-
       : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out)
       : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [width] "r" (width)
-      : "cc", "memory", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "x19", "x20", "x21", "x22", "x23", "x24"
+      : "cc", "memory", "v0", "v1", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x20", "x21", "x22", "x23", "x24", "x25"
     );
 }