COMPMID-3776: Indirect GEMM

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I51a1b0f098bc3a8c408c50c92221e4df3061e12c
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4343
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/arm_gemm/indirect-interleaves/a64_interleave8_block8_s8_s8.hpp b/src/core/NEON/kernels/arm_gemm/indirect-interleaves/a64_interleave8_block8_s8_s8.hpp
new file mode 100644
index 0000000..704a4c9
--- /dev/null
+++ b/src/core/NEON/kernels/arm_gemm/indirect-interleaves/a64_interleave8_block8_s8_s8.hpp
@@ -0,0 +1,319 @@
+/*
+ * Copyright (c) 2019-2020 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * 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 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.
+ */
+
+#ifdef __aarch64__
+
+template<>
+void interleave_block<8, 8, VLType::None, false>(
+  int8_t * &out_ptr, const int8_t * const * in, size_t width, size_t height,
+  size_t row_offset, bool
+)
+{
+  __asm__ __volatile__(
+      "ldr x27, [%x[in], #0x0]\n"
+      "cmp %x[height], #0x8\n"
+      "ldr x26, [%x[in], #0x8]\n"
+      "add x27, x27, %x[row_offset]\n"
+      "ldr x25, [%x[in], #0x10]\n"
+      "ldr x24, [%x[in], #0x18]\n"
+      "add x26, x26, %x[row_offset]\n"
+      "ldr x23, [%x[in], #0x20]\n"
+      "add x25, x25, %x[row_offset]\n"
+      "ldr x22, [%x[in], #0x28]\n"
+      "ldr x21, [%x[in], #0x30]\n"
+      "add x24, x24, %x[row_offset]\n"
+      "ldr x20, [%x[in], #0x38]\n"
+      "add x23, x23, %x[row_offset]\n"
+      "add x22, x22, %x[row_offset]\n"
+      "add x21, x21, %x[row_offset]\n"
+      "add x20, x20, %x[row_offset]\n"
+      "beq 1f\n"
+      "mov x20, x27\n"
+      "cmp %x[height], #0x2\n"
+      "csel x26, x26, x27, GE\n"
+      "csel x25, x25, x27, GT\n"
+      "cmp %x[height], #0x4\n"
+      "csel x24, x24, x27, GE\n"
+      "csel x23, x23, x27, GT\n"
+      "cmp %x[height], #0x6\n"
+      "csel x22, x22, x27, GE\n"
+      "csel x21, x21, x27, GT\n"
+      "1:"  // no_pointer_adj
+      "prfm pldl1keep, [x27, #0x0]\n"
+      "cmp %x[width], #0x10\n"
+      "prfm pldl1keep, [x26, #0x0]\n"
+      "prfm pldl1keep, [x25, #0x0]\n"
+      "prfm pldl1keep, [x24, #0x0]\n"
+      "prfm pldl1keep, [x23, #0x0]\n"
+      "prfm pldl1keep, [x22, #0x0]\n"
+      "prfm pldl1keep, [x21, #0x0]\n"
+      "prfm pldl1keep, [x20, #0x0]\n"
+      "prfm pldl1keep, [x27, #0x40]\n"
+      "prfm pldl1keep, [x26, #0x40]\n"
+      "prfm pldl1keep, [x25, #0x40]\n"
+      "prfm pldl1keep, [x24, #0x40]\n"
+      "prfm pldl1keep, [x23, #0x40]\n"
+      "prfm pldl1keep, [x22, #0x40]\n"
+      "prfm pldl1keep, [x21, #0x40]\n"
+      "prfm pldl1keep, [x20, #0x40]\n"
+      "blt 3f\n"
+      "2:"  // Main loop head
+      "ldr q27, [x27], #0x10\n"
+      "prfm pldl1keep, [x27, #0x70]\n"
+      "ldr q24, [x26], #0x10\n"
+      "zip1 v26.2d, v27.2d, v24.2d\n"
+      "prfm pldl1keep, [x26, #0x70]\n"
+      "ldr q25, [x25], #0x10\n"
+      "zip2 v24.2d, v27.2d, v24.2d\n"
+      "prfm pldl1keep, [x25, #0x70]\n"
+      "ldr q21, [x24], #0x10\n"
+      "zip1 v23.2d, v25.2d, v21.2d\n"
+      "prfm pldl1keep, [x24, #0x70]\n"
+      "ldr q22, [x23], #0x10\n"
+      "zip2 v21.2d, v25.2d, v21.2d\n"
+      "prfm pldl1keep, [x23, #0x70]\n"
+      "ldr q18, [x22], #0x10\n"
+      "zip1 v20.2d, v22.2d, v18.2d\n"
+      "prfm pldl1keep, [x22, #0x70]\n"
+      "ldr q19, [x21], #0x10\n"
+      "zip2 v18.2d, v22.2d, v18.2d\n"
+      "prfm pldl1keep, [x21, #0x70]\n"
+      "ldr q16, [x20], #0x10\n"
+      "zip1 v17.2d, v19.2d, v16.2d\n"
+      "prfm pldl1keep, [x20, #0x70]\n"
+      "str q26, [%x[out_ptr], #0x0]\n"
+      "zip2 v16.2d, v19.2d, v16.2d\n"
+      "str q23, [%x[out_ptr], #0x10]\n"
+      "str q20, [%x[out_ptr], #0x20]\n"
+      "str q17, [%x[out_ptr], #0x30]\n"
+      "str q24, [%x[out_ptr], #0x40]\n"
+      "str q21, [%x[out_ptr], #0x50]\n"
+      "str q18, [%x[out_ptr], #0x60]\n"
+      "str q16, [%x[out_ptr], #0x70]\n"
+      "subs %x[width], %x[width], #0x10\n"
+      "cmp %x[width], #0x10\n"
+      "add %x[out_ptr], %x[out_ptr], #0x80\n"
+      "bge 2b\n"
+      "3:"  // Main loop skip
+      "cbz %x[width], 12f\n"
+      "tbz %x[width], #3, 7f\n"
+      "ldr d27, [x27], #0x8\n"
+      "ldr d24, [x26], #0x8\n"
+      "ldr d25, [x25], #0x8\n"
+      "ldr d21, [x24], #0x8\n"
+      "ldr d22, [x23], #0x8\n"
+      "ldr d18, [x22], #0x8\n"
+      "ldr d19, [x21], #0x8\n"
+      "ldr d16, [x20], #0x8\n"
+      "tbz %x[width], #2, 5f\n"
+      "ld1 { v27.s }[2], [x27], #0x4\n"
+      "ld1 { v24.s }[2], [x26], #0x4\n"
+      "ld1 { v25.s }[2], [x25], #0x4\n"
+      "ld1 { v21.s }[2], [x24], #0x4\n"
+      "ld1 { v22.s }[2], [x23], #0x4\n"
+      "ld1 { v18.s }[2], [x22], #0x4\n"
+      "ld1 { v19.s }[2], [x21], #0x4\n"
+      "ld1 { v16.s }[2], [x20], #0x4\n"
+      "tbz %x[width], #1, 4f\n"
+      "ld1 { v27.h }[6], [x27], #0x2\n"
+      "ld1 { v24.h }[6], [x26], #0x2\n"
+      "ld1 { v25.h }[6], [x25], #0x2\n"
+      "ld1 { v21.h }[6], [x24], #0x2\n"
+      "ld1 { v22.h }[6], [x23], #0x2\n"
+      "ld1 { v18.h }[6], [x22], #0x2\n"
+      "ld1 { v19.h }[6], [x21], #0x2\n"
+      "ld1 { v16.h }[6], [x20], #0x2\n"
+      "mov x19, #0x2\n"
+      "tbz %x[width], #0, 11f\n"
+      "ld1 { v27.b }[14], [x27]\n"
+      "ld1 { v24.b }[14], [x26]\n"
+      "ld1 { v25.b }[14], [x25]\n"
+      "ld1 { v21.b }[14], [x24]\n"
+      "ld1 { v22.b }[14], [x23]\n"
+      "ld1 { v18.b }[14], [x22]\n"
+      "ld1 { v19.b }[14], [x21]\n"
+      "ld1 { v16.b }[14], [x20]\n"
+      "b 11f\n"
+      "4:"  // odd_loads_1_12
+      "mov x19, #0x2\n"
+      "tbz %x[width], #0, 11f\n"
+      "ld1 { v27.b }[12], [x27]\n"
+      "ld1 { v24.b }[12], [x26]\n"
+      "ld1 { v25.b }[12], [x25]\n"
+      "ld1 { v21.b }[12], [x24]\n"
+      "ld1 { v22.b }[12], [x23]\n"
+      "ld1 { v18.b }[12], [x22]\n"
+      "ld1 { v19.b }[12], [x21]\n"
+      "ld1 { v16.b }[12], [x20]\n"
+      "b 11f\n"
+      "5:"  // odd_loads_2_8
+      "tbz %x[width], #1, 6f\n"
+      "ld1 { v27.h }[4], [x27], #0x2\n"
+      "ld1 { v24.h }[4], [x26], #0x2\n"
+      "ld1 { v25.h }[4], [x25], #0x2\n"
+      "ld1 { v21.h }[4], [x24], #0x2\n"
+      "ld1 { v22.h }[4], [x23], #0x2\n"
+      "ld1 { v18.h }[4], [x22], #0x2\n"
+      "ld1 { v19.h }[4], [x21], #0x2\n"
+      "ld1 { v16.h }[4], [x20], #0x2\n"
+      "mov x19, #0x2\n"
+      "tbz %x[width], #0, 11f\n"
+      "ld1 { v27.b }[10], [x27]\n"
+      "ld1 { v24.b }[10], [x26]\n"
+      "ld1 { v25.b }[10], [x25]\n"
+      "ld1 { v21.b }[10], [x24]\n"
+      "ld1 { v22.b }[10], [x23]\n"
+      "ld1 { v18.b }[10], [x22]\n"
+      "ld1 { v19.b }[10], [x21]\n"
+      "ld1 { v16.b }[10], [x20]\n"
+      "b 11f\n"
+      "6:"  // odd_loads_1_8
+      "mov x19, #0x1\n"
+      "tbz %x[width], #0, 11f\n"
+      "ld1 { v27.b }[8], [x27]\n"
+      "ld1 { v24.b }[8], [x26]\n"
+      "ld1 { v25.b }[8], [x25]\n"
+      "ld1 { v21.b }[8], [x24]\n"
+      "ld1 { v22.b }[8], [x23]\n"
+      "ld1 { v18.b }[8], [x22]\n"
+      "ld1 { v19.b }[8], [x21]\n"
+      "ld1 { v16.b }[8], [x20]\n"
+      "mov x19, #0x2\n"
+      "b 11f\n"
+      "7:"  // odd_loads_4_0
+      "tbz %x[width], #2, 9f\n"
+      "ldr s27, [x27], #0x4\n"
+      "ldr s24, [x26], #0x4\n"
+      "ldr s25, [x25], #0x4\n"
+      "ldr s21, [x24], #0x4\n"
+      "ldr s22, [x23], #0x4\n"
+      "ldr s18, [x22], #0x4\n"
+      "ldr s19, [x21], #0x4\n"
+      "ldr s16, [x20], #0x4\n"
+      "tbz %x[width], #1, 8f\n"
+      "ld1 { v27.h }[2], [x27], #0x2\n"
+      "ld1 { v24.h }[2], [x26], #0x2\n"
+      "ld1 { v25.h }[2], [x25], #0x2\n"
+      "ld1 { v21.h }[2], [x24], #0x2\n"
+      "ld1 { v22.h }[2], [x23], #0x2\n"
+      "ld1 { v18.h }[2], [x22], #0x2\n"
+      "ld1 { v19.h }[2], [x21], #0x2\n"
+      "ld1 { v16.h }[2], [x20], #0x2\n"
+      "mov x19, #0x1\n"
+      "tbz %x[width], #0, 11f\n"
+      "ld1 { v27.b }[6], [x27]\n"
+      "ld1 { v24.b }[6], [x26]\n"
+      "ld1 { v25.b }[6], [x25]\n"
+      "ld1 { v21.b }[6], [x24]\n"
+      "ld1 { v22.b }[6], [x23]\n"
+      "ld1 { v18.b }[6], [x22]\n"
+      "ld1 { v19.b }[6], [x21]\n"
+      "ld1 { v16.b }[6], [x20]\n"
+      "b 11f\n"
+      "8:"  // odd_loads_1_4
+      "mov x19, #0x1\n"
+      "tbz %x[width], #0, 11f\n"
+      "ld1 { v27.b }[4], [x27]\n"
+      "ld1 { v24.b }[4], [x26]\n"
+      "ld1 { v25.b }[4], [x25]\n"
+      "ld1 { v21.b }[4], [x24]\n"
+      "ld1 { v22.b }[4], [x23]\n"
+      "ld1 { v18.b }[4], [x22]\n"
+      "ld1 { v19.b }[4], [x21]\n"
+      "ld1 { v16.b }[4], [x20]\n"
+      "b 11f\n"
+      "9:"  // odd_loads_2_0
+      "tbz %x[width], #1, 10f\n"
+      "ldr h27, [x27], #0x2\n"
+      "ldr h24, [x26], #0x2\n"
+      "ldr h25, [x25], #0x2\n"
+      "ldr h21, [x24], #0x2\n"
+      "ldr h22, [x23], #0x2\n"
+      "ldr h18, [x22], #0x2\n"
+      "ldr h19, [x21], #0x2\n"
+      "ldr h16, [x20], #0x2\n"
+      "mov x19, #0x1\n"
+      "tbz %x[width], #0, 11f\n"
+      "ld1 { v27.b }[2], [x27]\n"
+      "ld1 { v24.b }[2], [x26]\n"
+      "ld1 { v25.b }[2], [x25]\n"
+      "ld1 { v21.b }[2], [x24]\n"
+      "ld1 { v22.b }[2], [x23]\n"
+      "ld1 { v18.b }[2], [x22]\n"
+      "ld1 { v19.b }[2], [x21]\n"
+      "ld1 { v16.b }[2], [x20]\n"
+      "b 11f\n"
+      "10:"  // odd_loads_1_0
+      "ldr b27, [x27, #0x0]\n"
+      "ldr b24, [x26, #0x0]\n"
+      "ldr b25, [x25, #0x0]\n"
+      "ldr b21, [x24, #0x0]\n"
+      "ldr b22, [x23, #0x0]\n"
+      "ldr b18, [x22, #0x0]\n"
+      "ldr b19, [x21, #0x0]\n"
+      "ldr b16, [x20, #0x0]\n"
+      "mov x19, #0x1\n"
+      "11:"  // Odd load end
+      "zip1 v26.2d, v27.2d, v24.2d\n"
+      "subs x19, x19, #0x1\n"
+      "zip1 v23.2d, v25.2d, v21.2d\n"
+      "str q26, [%x[out_ptr], #0x0]\n"
+      "zip1 v20.2d, v22.2d, v18.2d\n"
+      "str q23, [%x[out_ptr], #0x10]\n"
+      "zip1 v17.2d, v19.2d, v16.2d\n"
+      "str q20, [%x[out_ptr], #0x20]\n"
+      "str q17, [%x[out_ptr], #0x30]\n"
+      "add %x[out_ptr], %x[out_ptr], #0x40\n"
+      "beq 12f\n"
+      "zip2 v24.2d, v27.2d, v24.2d\n"
+      "zip2 v21.2d, v25.2d, v21.2d\n"
+      "str q24, [%x[out_ptr], #0x0]\n"
+      "zip2 v18.2d, v22.2d, v18.2d\n"
+      "str q21, [%x[out_ptr], #0x10]\n"
+      "zip2 v16.2d, v19.2d, v16.2d\n"
+      "str q18, [%x[out_ptr], #0x20]\n"
+      "str q16, [%x[out_ptr], #0x30]\n"
+      "add %x[out_ptr], %x[out_ptr], #0x40\n"
+      "12:"  // Odds skip
+
+      : [out_ptr] "+r" (out_ptr), [width] "+r" (width)
+      : [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset)
+      : "cc", "memory", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27"
+    );
+}
+
+template<>
+void interleave_block<8, 8, VLType::None, false>(
+  uint8_t * &out_ptr, const uint8_t * const * in, size_t width, size_t height,
+  size_t row_offset, bool
+)
+{
+  int8_t * &out_cast = reinterpret_cast<int8_t * &>(out_ptr);
+  const int8_t * const * in_cast = reinterpret_cast<const int8_t * const *>(in);
+
+  interleave_block<8, 8, VLType::None, false>(out_cast, in_cast, width, height, row_offset, false);
+}
+
+
+#endif // __aarch64__