From ba209750abc1ac7e42bab9fef5db284384d70fb3 Mon Sep 17 00:00:00 2001
From: Michael Tyler <michael.tyler@arm.com>
Date: Thu, 15 Dec 2022 12:39:29 +0000
Subject: 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>
---
 .../generic.cpp                                    | 739 ++++++++++-----------
 1 file changed, 367 insertions(+), 372 deletions(-)

(limited to 'src/core/NEON/kernels/arm_conv/depthwise/kernels/a64_fp16_nhwc_generic_output9_mla_depthfirst/generic.cpp')

diff --git a/src/core/NEON/kernels/arm_conv/depthwise/kernels/a64_fp16_nhwc_generic_output9_mla_depthfirst/generic.cpp b/src/core/NEON/kernels/arm_conv/depthwise/kernels/a64_fp16_nhwc_generic_output9_mla_depthfirst/generic.cpp
index 423ee4190c..418530fdc4 100644
--- a/src/core/NEON/kernels/arm_conv/depthwise/kernels/a64_fp16_nhwc_generic_output9_mla_depthfirst/generic.cpp
+++ b/src/core/NEON/kernels/arm_conv/depthwise/kernels/a64_fp16_nhwc_generic_output9_mla_depthfirst/generic.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited.
+ * Copyright (c) 2021-2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -44,480 +44,475 @@ void a64_fp16_nhwc_generic_output9_mla_depthfirst_impl(
   const __fp16 minmax_vals[2] = { activation_min, activation_max };
 
   __asm__ __volatile__(
-    "ld1r { v4.8h }, [%x[minmax_vals]]\n"
-    "add x19, %x[minmax_vals], #0x2\n"
+    "ld1r { v2.8h }, [%x[minmax_vals]]\n"
+    "lsr x12, %x[n_channels], #0x3\n"
+    "add x20, %x[minmax_vals], #0x2\n"
+    "ld1r { v1.8h }, [x20]\n"
     "mov x11, #0x0\n"
-    "ld1r { v3.8h }, [x19]\n"
-    "lsr x10, %x[n_channels], #0x3\n"
-    "cbz x10, 5f\n"
+    "cbz x12, 5f\n"
     "1:"  // Channel loop
-    "movi v25.16b, #0x0\n"
+    "movi v23.16b, #0x0\n"
     "cbz %x[bias], 2f\n"
-    "ldr q25, [%x[bias], x11]\n"
+    "ldr q23, [%x[bias], x11]\n"
     "2:"  // Channel loop: Load bias: Done
-    "mov v24.16b, v25.16b\n"
-    "ldr q23, [%x[params], #0x0]\n"
-    "mov x20, %x[inptrs]\n"
-    "mov v22.16b, v25.16b\n"
-    "ldp x9, x28, [x20], #0x10\n"
-    "subs x19, %x[n_points], #0x1\n"
-    "mov v21.16b, v25.16b\n"
-    "ldr q2, [x9, x11]\n"
-    "mov v20.16b, v25.16b\n"
+    "ldr q0, [%x[params], #0x0]\n"
+    "mov x21, %x[inptrs]\n"
+    "ldp x10, x9, [x21], #0x10\n"
+    "subs x20, %x[n_points], #0x1\n"
+    "ldr q14, [x10, x11]\n"
+    "ldr q15, [x9, x11]\n"
+    "mov v24.16b, v23.16b\n"
+    "mov v25.16b, v23.16b\n"
+    "ldp x28, x27, [x21], #0x10\n"
+    "ldr q16, [x28, x11]\n"
+    "mov v26.16b, v23.16b\n"
+    "mov v27.16b, v23.16b\n"
+    "ldr q17, [x27, x11]\n"
+    "ldp x26, x25, [x21], #0x10\n"
+    "mov v28.16b, v23.16b\n"
+    "mov v29.16b, v23.16b\n"
+    "ldr q18, [x26, x11]\n"
+    "ldr q19, [x25, x11]\n"
+    "mov v30.16b, v23.16b\n"
+    "mov v31.16b, v23.16b\n"
+    "ldp x24, x23, [x21], #0x10\n"
+    "ldr q20, [x24, x11]\n"
     "add %x[params], %x[params], #0x10\n"
-    "mov v19.16b, v25.16b\n"
-    "ldr q1, [x28, x11]\n"
-    "mov v18.16b, v25.16b\n"
-    "ldp x27, x26, [x20], #0x10\n"
-    "mov v17.16b, v25.16b\n"
-    "ldr q0, [x27, x11]\n"
-    "mov v16.16b, v25.16b\n"
-    "ldr q31, [x26, x11]\n"
-    "ldp x25, x24, [x20], #0x10\n"
-    "ldr q30, [x25, x11]\n"
-    "ldr q29, [x24, x11]\n"
-    "ldp x23, x22, [x20], #0x10\n"
-    "ldr q28, [x23, x11]\n"
-    "ldr q27, [x22, x11]\n"
-    "ldr x21, [x20], #0x8\n"
-    "ldr q26, [x21, x11]\n"
+    "ldr q21, [x23, x11]\n"
+    "ldr x22, [x21], #0x8\n"
+    "ldr q22, [x22, x11]\n"
     "ble 4f\n"
     "3:"  // Channel loop: Planar loop
-    "fmla v25.8h, v2.8h, v23.8h\n"
-    "ldp x9, x28, [x20], #0x10\n"
-    "subs x19, x19, #0x1\n"
-    "fmla v24.8h, v1.8h, v23.8h\n"
-    "ldr q2, [x9, x11]\n"
-    "fmla v22.8h, v0.8h, v23.8h\n"
-    "fmla v21.8h, v31.8h, v23.8h\n"
-    "ldr q1, [x28, x11]\n"
-    "fmla v20.8h, v30.8h, v23.8h\n"
-    "ldp x27, x26, [x20], #0x10\n"
-    "fmla v19.8h, v29.8h, v23.8h\n"
-    "fmla v18.8h, v28.8h, v23.8h\n"
-    "ldr q0, [x27, x11]\n"
-    "fmla v17.8h, v27.8h, v23.8h\n"
-    "fmla v16.8h, v26.8h, v23.8h\n"
-    "ldr q23, [%x[params], #0x0]\n"
+    "ldp x10, x9, [x21], #0x10\n"
+    "ldp x28, x27, [x21], #0x10\n"
+    "subs x20, x20, #0x1\n"
+    "fmla v23.8h, v14.8h, v0.8h\n"
+    "ldr q14, [x10, x11]\n"
+    "ldp x26, x25, [x21], #0x10\n"
+    "fmla v24.8h, v15.8h, v0.8h\n"
+    "fmla v25.8h, v16.8h, v0.8h\n"
+    "ldr q15, [x9, x11]\n"
+    "ldr q16, [x28, x11]\n"
+    "fmla v26.8h, v17.8h, v0.8h\n"
+    "fmla v27.8h, v18.8h, v0.8h\n"
+    "ldr q17, [x27, x11]\n"
+    "ldr q18, [x26, x11]\n"
+    "fmla v28.8h, v19.8h, v0.8h\n"
+    "fmla v29.8h, v20.8h, v0.8h\n"
+    "ldr q19, [x25, x11]\n"
+    "ldp x24, x23, [x21], #0x10\n"
+    "fmla v30.8h, v21.8h, v0.8h\n"
+    "fmla v31.8h, v22.8h, v0.8h\n"
+    "ldr q0, [%x[params], #0x0]\n"
+    "ldr q20, [x24, x11]\n"
     "add %x[params], %x[params], #0x10\n"
-    "ldr q31, [x26, x11]\n"
-    "ldp x25, x24, [x20], #0x10\n"
-    "ldr q30, [x25, x11]\n"
-    "ldr q29, [x24, x11]\n"
-    "ldp x23, x22, [x20], #0x10\n"
-    "ldr q28, [x23, x11]\n"
-    "ldr q27, [x22, x11]\n"
-    "ldr x21, [x20], #0x8\n"
-    "ldr q26, [x21, x11]\n"
+    "ldr q21, [x23, x11]\n"
+    "ldr x22, [x21], #0x8\n"
+    "ldr q22, [x22, x11]\n"
     "bgt 3b\n"
     "4:"  // Channel loop: Planar tail
-    "fmla v25.8h, v2.8h, v23.8h\n"
-    "ldp x27, x26, [%x[outptrs], #0x0]\n"
-    "fmla v24.8h, v1.8h, v23.8h\n"
-    "ldp x25, x24, [%x[outptrs], #0x10]\n"
-    "fmla v22.8h, v0.8h, v23.8h\n"
-    "ldp x23, x22, [%x[outptrs], #0x20]\n"
-    "fmla v21.8h, v31.8h, v23.8h\n"
-    "ldp x21, x20, [%x[outptrs], #0x30]\n"
-    "fmla v20.8h, v30.8h, v23.8h\n"
-    "ldr x19, [%x[outptrs], #0x40]\n"
-    "fmla v19.8h, v29.8h, v23.8h\n"
-    "fmla v18.8h, v28.8h, v23.8h\n"
-    "fmla v17.8h, v27.8h, v23.8h\n"
-    "fmla v16.8h, v26.8h, v23.8h\n"
-    "fmax v25.8h, v25.8h, v4.8h\n"
-    "fmax v24.8h, v24.8h, v4.8h\n"
-    "fmax v22.8h, v22.8h, v4.8h\n"
-    "fmin v25.8h, v25.8h, v3.8h\n"
-    "str q25, [x27, x11]\n"
-    "fmin v24.8h, v24.8h, v3.8h\n"
-    "fmin v22.8h, v22.8h, v3.8h\n"
-    "str q24, [x26, x11]\n"
-    "fmax v21.8h, v21.8h, v4.8h\n"
-    "fmax v20.8h, v20.8h, v4.8h\n"
-    "str q22, [x25, x11]\n"
-    "fmax v19.8h, v19.8h, v4.8h\n"
-    "fmax v18.8h, v18.8h, v4.8h\n"
-    "fmin v21.8h, v21.8h, v3.8h\n"
-    "str q21, [x24, x11]\n"
-    "fmin v20.8h, v20.8h, v3.8h\n"
-    "fmin v19.8h, v19.8h, v3.8h\n"
-    "str q20, [x23, x11]\n"
-    "fmin v18.8h, v18.8h, v3.8h\n"
-    "fmax v17.8h, v17.8h, v4.8h\n"
-    "str q19, [x22, x11]\n"
-    "fmax v16.8h, v16.8h, v4.8h\n"
-    "str q18, [x21, x11]\n"
-    "fmin v17.8h, v17.8h, v3.8h\n"
-    "fmin v16.8h, v16.8h, v3.8h\n"
-    "str q17, [x20, x11]\n"
-    "str q16, [x19, x11]\n"
+    "fmla v23.8h, v14.8h, v0.8h\n"
+    "fmla v24.8h, v15.8h, v0.8h\n"
+    "fmax v23.8h, v23.8h, v2.8h\n"
+    "ldp x28, x27, [%x[outptrs], #0x0]\n"
+    "fmla v25.8h, v16.8h, v0.8h\n"
+    "fmla v26.8h, v17.8h, v0.8h\n"
+    "fmax v24.8h, v24.8h, v2.8h\n"
+    "ldp x26, x25, [%x[outptrs], #0x10]\n"
+    "fmla v27.8h, v18.8h, v0.8h\n"
+    "fmla v28.8h, v19.8h, v0.8h\n"
+    "fmax v25.8h, v25.8h, v2.8h\n"
+    "ldp x24, x23, [%x[outptrs], #0x20]\n"
+    "fmla v29.8h, v20.8h, v0.8h\n"
+    "fmla v30.8h, v21.8h, v0.8h\n"
+    "fmax v26.8h, v26.8h, v2.8h\n"
+    "ldp x22, x21, [%x[outptrs], #0x30]\n"
+    "fmla v31.8h, v22.8h, v0.8h\n"
+    "fmax v27.8h, v27.8h, v2.8h\n"
+    "ldr x20, [%x[outptrs], #0x40]\n"
+    "fmax v28.8h, v28.8h, v2.8h\n"
+    "fmax v29.8h, v29.8h, v2.8h\n"
+    "fmax v30.8h, v30.8h, v2.8h\n"
+    "fmax v31.8h, v31.8h, v2.8h\n"
+    "fmin v23.8h, v23.8h, v1.8h\n"
+    "fmin v24.8h, v24.8h, v1.8h\n"
+    "str q23, [x28, x11]\n"
+    "fmin v25.8h, v25.8h, v1.8h\n"
+    "fmin v26.8h, v26.8h, v1.8h\n"
+    "str q24, [x27, x11]\n"
+    "fmin v27.8h, v27.8h, v1.8h\n"
+    "fmin v28.8h, v28.8h, v1.8h\n"
+    "str q25, [x26, x11]\n"
+    "fmin v29.8h, v29.8h, v1.8h\n"
+    "fmin v30.8h, v30.8h, v1.8h\n"
+    "str q26, [x25, x11]\n"
+    "fmin v31.8h, v31.8h, v1.8h\n"
+    "str q27, [x24, x11]\n"
+    "str q28, [x23, x11]\n"
+    "str q29, [x22, x11]\n"
+    "str q30, [x21, x11]\n"
+    "str q31, [x20, x11]\n"
     "add x11, x11, #0x10\n"
-    "cmp x11, x10, LSL #4\n"
+    "cmp x11, x12, LSL #4\n"
     "blt 1b\n"
     "5:"  // Oddments
     "tst %x[n_channels], #0x7\n"
     "beq 25f\n"
-    "movi v25.16b, #0x0\n"
+    "movi v23.16b, #0x0\n"
     "cbz %x[bias], 10f\n"
-    "add x19, %x[bias], x11\n"
+    "add x20, %x[bias], x11\n"
     "tbz %x[n_channels], #2, 7f\n"
-    "ld1 { v25.d }[0], [x19], #0x8\n"
+    "ld1 { v23.d }[0], [x20], #0x8\n"
     "tbz %x[n_channels], #1, 6f\n"
-    "ld1 { v25.s }[2], [x19], #0x4\n"
+    "ld1 { v23.s }[2], [x20], #0x4\n"
     "tbz %x[n_channels], #0, 9f\n"
-    "ld1 { v25.h }[6], [x19], #0x2\n"
+    "ld1 { v23.h }[6], [x20], #0x2\n"
     "b 9f\n"
     "6:"  // Oddments: Load bias: Bit 2: Bit 1: Unset
     "tbz %x[n_channels], #0, 9f\n"
-    "ld1 { v25.h }[4], [x19], #0x2\n"
+    "ld1 { v23.h }[4], [x20], #0x2\n"
     "b 9f\n"
     "7:"  // Oddments: Load bias: Bit 2: Unset
     "tbz %x[n_channels], #1, 8f\n"
-    "ld1 { v25.s }[0], [x19], #0x4\n"
+    "ld1 { v23.s }[0], [x20], #0x4\n"
     "tbz %x[n_channels], #0, 9f\n"
-    "ld1 { v25.h }[2], [x19], #0x2\n"
+    "ld1 { v23.h }[2], [x20], #0x2\n"
     "b 9f\n"
     "8:"  // Oddments: Load bias: Bit 2: Unset: Bit 1: Unset
-    "tbz %x[n_channels], #0, 9f\n"
-    "ld1 { v25.h }[0], [x19], #0x2\n"
+    "ld1 { v23.h }[0], [x20], #0x2\n"
     "9:"  // Oddments: Load bias: Bit 2: End
-
     "10:"  // Oddments: Load bias: Done
-    "mov v24.16b, v25.16b\n"
-    "ldr q23, [%x[params], #0x0]\n"
-    "mov x20, %x[inptrs]\n"
-    "mov v22.16b, v25.16b\n"
-    "ldp x9, x28, [x20], #0x10\n"
-    "add %x[params], %x[params], #0x10\n"
-    "mov v21.16b, v25.16b\n"
-    "ldp x27, x26, [x20], #0x10\n"
-    "mov v20.16b, v25.16b\n"
+    "ldr q0, [%x[params], #0x0]\n"
+    "mov x21, %x[inptrs]\n"
+    "ldp x10, x9, [x21], #0x10\n"
+    "mov v24.16b, v23.16b\n"
+    "ldp x28, x27, [x21], #0x10\n"
+    "ldp x26, x25, [x21], #0x10\n"
+    "mov v25.16b, v23.16b\n"
+    "mov v26.16b, v23.16b\n"
+    "ldp x24, x23, [x21], #0x10\n"
+    "ldr x22, [x21], #0x8\n"
+    "mov v27.16b, v23.16b\n"
+    "mov v28.16b, v23.16b\n"
+    "mov v29.16b, v23.16b\n"
+    "mov v30.16b, v23.16b\n"
+    "add x10, x10, x11\n"
     "add x9, x9, x11\n"
-    "mov v19.16b, v25.16b\n"
-    "ldp x25, x24, [x20], #0x10\n"
-    "mov v18.16b, v25.16b\n"
+    "mov v31.16b, v23.16b\n"
     "add x28, x28, x11\n"
-    "mov v17.16b, v25.16b\n"
-    "ldp x23, x22, [x20], #0x10\n"
-    "mov v16.16b, v25.16b\n"
     "add x27, x27, x11\n"
-    "ldr x21, [x20], #0x8\n"
     "add x26, x26, x11\n"
     "add x25, x25, x11\n"
     "add x24, x24, x11\n"
     "add x23, x23, x11\n"
     "add x22, x22, x11\n"
-    "add x21, x21, x11\n"
+    "add %x[params], %x[params], #0x10\n"
     "tbz %x[n_channels], #2, 12f\n"
-    "ldr d2, [x9], #0x8\n"
-    "ldr d1, [x28], #0x8\n"
-    "ldr d0, [x27], #0x8\n"
-    "ldr d31, [x26], #0x8\n"
-    "ldr d30, [x25], #0x8\n"
-    "ldr d29, [x24], #0x8\n"
-    "ldr d28, [x23], #0x8\n"
-    "ldr d27, [x22], #0x8\n"
-    "ldr d26, [x21], #0x8\n"
+    "ldr d14, [x10], #0x8\n"
+    "ldr d15, [x9], #0x8\n"
+    "ldr d16, [x28], #0x8\n"
+    "ldr d17, [x27], #0x8\n"
+    "ldr d18, [x26], #0x8\n"
+    "ldr d19, [x25], #0x8\n"
+    "ldr d20, [x24], #0x8\n"
+    "ldr d21, [x23], #0x8\n"
+    "ldr d22, [x22], #0x8\n"
     "tbz %x[n_channels], #1, 11f\n"
-    "ld1 { v2.s }[2], [x9], #0x4\n"
-    "ld1 { v1.s }[2], [x28], #0x4\n"
-    "ld1 { v0.s }[2], [x27], #0x4\n"
-    "ld1 { v31.s }[2], [x26], #0x4\n"
-    "ld1 { v30.s }[2], [x25], #0x4\n"
-    "ld1 { v29.s }[2], [x24], #0x4\n"
-    "ld1 { v28.s }[2], [x23], #0x4\n"
-    "ld1 { v27.s }[2], [x22], #0x4\n"
-    "ld1 { v26.s }[2], [x21], #0x4\n"
+    "ld1 { v14.s }[2], [x10], #0x4\n"
+    "ld1 { v15.s }[2], [x9], #0x4\n"
+    "ld1 { v16.s }[2], [x28], #0x4\n"
+    "ld1 { v17.s }[2], [x27], #0x4\n"
+    "ld1 { v18.s }[2], [x26], #0x4\n"
+    "ld1 { v19.s }[2], [x25], #0x4\n"
+    "ld1 { v20.s }[2], [x24], #0x4\n"
+    "ld1 { v21.s }[2], [x23], #0x4\n"
+    "ld1 { v22.s }[2], [x22], #0x4\n"
     "tbz %x[n_channels], #0, 14f\n"
-    "ld1 { v2.h }[6], [x9], #0x2\n"
-    "ld1 { v1.h }[6], [x28], #0x2\n"
-    "ld1 { v0.h }[6], [x27], #0x2\n"
-    "ld1 { v31.h }[6], [x26], #0x2\n"
-    "ld1 { v30.h }[6], [x25], #0x2\n"
-    "ld1 { v29.h }[6], [x24], #0x2\n"
-    "ld1 { v28.h }[6], [x23], #0x2\n"
-    "ld1 { v27.h }[6], [x22], #0x2\n"
-    "ld1 { v26.h }[6], [x21], #0x2\n"
+    "ld1 { v14.h }[6], [x10], #0x2\n"
+    "ld1 { v15.h }[6], [x9], #0x2\n"
+    "ld1 { v16.h }[6], [x28], #0x2\n"
+    "ld1 { v17.h }[6], [x27], #0x2\n"
+    "ld1 { v18.h }[6], [x26], #0x2\n"
+    "ld1 { v19.h }[6], [x25], #0x2\n"
+    "ld1 { v20.h }[6], [x24], #0x2\n"
+    "ld1 { v21.h }[6], [x23], #0x2\n"
+    "ld1 { v22.h }[6], [x22], #0x2\n"
     "b 14f\n"
     "11:"  // Oddments: Load: Bit 2: Bit 1: Unset
     "tbz %x[n_channels], #0, 14f\n"
-    "ld1 { v2.h }[4], [x9], #0x2\n"
-    "ld1 { v1.h }[4], [x28], #0x2\n"
-    "ld1 { v0.h }[4], [x27], #0x2\n"
-    "ld1 { v31.h }[4], [x26], #0x2\n"
-    "ld1 { v30.h }[4], [x25], #0x2\n"
-    "ld1 { v29.h }[4], [x24], #0x2\n"
-    "ld1 { v28.h }[4], [x23], #0x2\n"
-    "ld1 { v27.h }[4], [x22], #0x2\n"
-    "ld1 { v26.h }[4], [x21], #0x2\n"
+    "ld1 { v14.h }[4], [x10], #0x2\n"
+    "ld1 { v15.h }[4], [x9], #0x2\n"
+    "ld1 { v16.h }[4], [x28], #0x2\n"
+    "ld1 { v17.h }[4], [x27], #0x2\n"
+    "ld1 { v18.h }[4], [x26], #0x2\n"
+    "ld1 { v19.h }[4], [x25], #0x2\n"
+    "ld1 { v20.h }[4], [x24], #0x2\n"
+    "ld1 { v21.h }[4], [x23], #0x2\n"
+    "ld1 { v22.h }[4], [x22], #0x2\n"
     "b 14f\n"
     "12:"  // Oddments: Load: Bit 2: Unset
     "tbz %x[n_channels], #1, 13f\n"
-    "ldr s2, [x9], #0x4\n"
-    "ldr s1, [x28], #0x4\n"
-    "ldr s0, [x27], #0x4\n"
-    "ldr s31, [x26], #0x4\n"
-    "ldr s30, [x25], #0x4\n"
-    "ldr s29, [x24], #0x4\n"
-    "ldr s28, [x23], #0x4\n"
-    "ldr s27, [x22], #0x4\n"
-    "ldr s26, [x21], #0x4\n"
+    "ldr s14, [x10], #0x4\n"
+    "ldr s15, [x9], #0x4\n"
+    "ldr s16, [x28], #0x4\n"
+    "ldr s17, [x27], #0x4\n"
+    "ldr s18, [x26], #0x4\n"
+    "ldr s19, [x25], #0x4\n"
+    "ldr s20, [x24], #0x4\n"
+    "ldr s21, [x23], #0x4\n"
+    "ldr s22, [x22], #0x4\n"
     "tbz %x[n_channels], #0, 14f\n"
-    "ld1 { v2.h }[2], [x9], #0x2\n"
-    "ld1 { v1.h }[2], [x28], #0x2\n"
-    "ld1 { v0.h }[2], [x27], #0x2\n"
-    "ld1 { v31.h }[2], [x26], #0x2\n"
-    "ld1 { v30.h }[2], [x25], #0x2\n"
-    "ld1 { v29.h }[2], [x24], #0x2\n"
-    "ld1 { v28.h }[2], [x23], #0x2\n"
-    "ld1 { v27.h }[2], [x22], #0x2\n"
-    "ld1 { v26.h }[2], [x21], #0x2\n"
+    "ld1 { v14.h }[2], [x10], #0x2\n"
+    "ld1 { v15.h }[2], [x9], #0x2\n"
+    "ld1 { v16.h }[2], [x28], #0x2\n"
+    "ld1 { v17.h }[2], [x27], #0x2\n"
+    "ld1 { v18.h }[2], [x26], #0x2\n"
+    "ld1 { v19.h }[2], [x25], #0x2\n"
+    "ld1 { v20.h }[2], [x24], #0x2\n"
+    "ld1 { v21.h }[2], [x23], #0x2\n"
+    "ld1 { v22.h }[2], [x22], #0x2\n"
     "b 14f\n"
     "13:"  // Oddments: Load: Bit 2: Unset: Bit 1: Unset
-    "tbz %x[n_channels], #0, 14f\n"
-    "ldr h2, [x9], #0x2\n"
-    "ldr h1, [x28], #0x2\n"
-    "ldr h0, [x27], #0x2\n"
-    "ldr h31, [x26], #0x2\n"
-    "ldr h30, [x25], #0x2\n"
-    "ldr h29, [x24], #0x2\n"
-    "ldr h28, [x23], #0x2\n"
-    "ldr h27, [x22], #0x2\n"
-    "ldr h26, [x21], #0x2\n"
+    "ldr h14, [x10], #0x2\n"
+    "ldr h15, [x9], #0x2\n"
+    "ldr h16, [x28], #0x2\n"
+    "ldr h17, [x27], #0x2\n"
+    "ldr h18, [x26], #0x2\n"
+    "ldr h19, [x25], #0x2\n"
+    "ldr h20, [x24], #0x2\n"
+    "ldr h21, [x23], #0x2\n"
+    "ldr h22, [x22], #0x2\n"
     "14:"  // Oddments: Load: Bit 2: End
-    "subs x19, %x[n_points], #0x1\n"
+    "subs x20, %x[n_points], #0x1\n"
     "ble 20f\n"
     "15:"  // Oddments: Planar loop
-    "fmla v25.8h, v2.8h, v23.8h\n"
-    "ldp x9, x28, [x20], #0x10\n"
+    "ldp x10, x9, [x21], #0x10\n"
+    "ldp x28, x27, [x21], #0x10\n"
+    "fmla v23.8h, v14.8h, v0.8h\n"
+    "fmla v24.8h, v15.8h, v0.8h\n"
+    "ldp x26, x25, [x21], #0x10\n"
+    "ldp x24, x23, [x21], #0x10\n"
+    "fmla v25.8h, v16.8h, v0.8h\n"
+    "fmla v26.8h, v17.8h, v0.8h\n"
+    "ldr x22, [x21], #0x8\n"
+    "fmla v27.8h, v18.8h, v0.8h\n"
+    "fmla v28.8h, v19.8h, v0.8h\n"
+    "add x10, x10, x11\n"
+    "fmla v29.8h, v20.8h, v0.8h\n"
+    "fmla v30.8h, v21.8h, v0.8h\n"
     "add x9, x9, x11\n"
-    "fmla v24.8h, v1.8h, v23.8h\n"
-    "ldp x27, x26, [x20], #0x10\n"
-    "fmla v22.8h, v0.8h, v23.8h\n"
-    "ldp x25, x24, [x20], #0x10\n"
-    "fmla v21.8h, v31.8h, v23.8h\n"
     "add x28, x28, x11\n"
-    "fmla v20.8h, v30.8h, v23.8h\n"
-    "ldp x23, x22, [x20], #0x10\n"
-    "fmla v19.8h, v29.8h, v23.8h\n"
+    "fmla v31.8h, v22.8h, v0.8h\n"
+    "ldr q0, [%x[params], #0x0]\n"
     "add x27, x27, x11\n"
-    "fmla v18.8h, v28.8h, v23.8h\n"
-    "ldr x21, [x20], #0x8\n"
-    "fmla v17.8h, v27.8h, v23.8h\n"
     "add x26, x26, x11\n"
-    "fmla v16.8h, v26.8h, v23.8h\n"
-    "ldr q23, [%x[params], #0x0]\n"
     "add x25, x25, x11\n"
     "add x24, x24, x11\n"
     "add x23, x23, x11\n"
     "add x22, x22, x11\n"
-    "add x21, x21, x11\n"
     "add %x[params], %x[params], #0x10\n"
     "tbz %x[n_channels], #2, 17f\n"
-    "ldr d2, [x9], #0x8\n"
-    "ldr d1, [x28], #0x8\n"
-    "ldr d0, [x27], #0x8\n"
-    "ldr d31, [x26], #0x8\n"
-    "ldr d30, [x25], #0x8\n"
-    "ldr d29, [x24], #0x8\n"
-    "ldr d28, [x23], #0x8\n"
-    "ldr d27, [x22], #0x8\n"
-    "ldr d26, [x21], #0x8\n"
+    "ldr d14, [x10], #0x8\n"
+    "ldr d15, [x9], #0x8\n"
+    "ldr d16, [x28], #0x8\n"
+    "ldr d17, [x27], #0x8\n"
+    "ldr d18, [x26], #0x8\n"
+    "ldr d19, [x25], #0x8\n"
+    "ldr d20, [x24], #0x8\n"
+    "ldr d21, [x23], #0x8\n"
+    "ldr d22, [x22], #0x8\n"
     "tbz %x[n_channels], #1, 16f\n"
-    "ld1 { v2.s }[2], [x9], #0x4\n"
-    "ld1 { v1.s }[2], [x28], #0x4\n"
-    "ld1 { v0.s }[2], [x27], #0x4\n"
-    "ld1 { v31.s }[2], [x26], #0x4\n"
-    "ld1 { v30.s }[2], [x25], #0x4\n"
-    "ld1 { v29.s }[2], [x24], #0x4\n"
-    "ld1 { v28.s }[2], [x23], #0x4\n"
-    "ld1 { v27.s }[2], [x22], #0x4\n"
-    "ld1 { v26.s }[2], [x21], #0x4\n"
+    "ld1 { v14.s }[2], [x10], #0x4\n"
+    "ld1 { v15.s }[2], [x9], #0x4\n"
+    "ld1 { v16.s }[2], [x28], #0x4\n"
+    "ld1 { v17.s }[2], [x27], #0x4\n"
+    "ld1 { v18.s }[2], [x26], #0x4\n"
+    "ld1 { v19.s }[2], [x25], #0x4\n"
+    "ld1 { v20.s }[2], [x24], #0x4\n"
+    "ld1 { v21.s }[2], [x23], #0x4\n"
+    "ld1 { v22.s }[2], [x22], #0x4\n"
     "tbz %x[n_channels], #0, 19f\n"
-    "ld1 { v2.h }[6], [x9], #0x2\n"
-    "ld1 { v1.h }[6], [x28], #0x2\n"
-    "ld1 { v0.h }[6], [x27], #0x2\n"
-    "ld1 { v31.h }[6], [x26], #0x2\n"
-    "ld1 { v30.h }[6], [x25], #0x2\n"
-    "ld1 { v29.h }[6], [x24], #0x2\n"
-    "ld1 { v28.h }[6], [x23], #0x2\n"
-    "ld1 { v27.h }[6], [x22], #0x2\n"
-    "ld1 { v26.h }[6], [x21], #0x2\n"
+    "ld1 { v14.h }[6], [x10], #0x2\n"
+    "ld1 { v15.h }[6], [x9], #0x2\n"
+    "ld1 { v16.h }[6], [x28], #0x2\n"
+    "ld1 { v17.h }[6], [x27], #0x2\n"
+    "ld1 { v18.h }[6], [x26], #0x2\n"
+    "ld1 { v19.h }[6], [x25], #0x2\n"
+    "ld1 { v20.h }[6], [x24], #0x2\n"
+    "ld1 { v21.h }[6], [x23], #0x2\n"
+    "ld1 { v22.h }[6], [x22], #0x2\n"
     "b 19f\n"
     "16:"  // Oddments: Planar loop: Load: Bit 2: Bit 1: Unset
     "tbz %x[n_channels], #0, 19f\n"
-    "ld1 { v2.h }[4], [x9], #0x2\n"
-    "ld1 { v1.h }[4], [x28], #0x2\n"
-    "ld1 { v0.h }[4], [x27], #0x2\n"
-    "ld1 { v31.h }[4], [x26], #0x2\n"
-    "ld1 { v30.h }[4], [x25], #0x2\n"
-    "ld1 { v29.h }[4], [x24], #0x2\n"
-    "ld1 { v28.h }[4], [x23], #0x2\n"
-    "ld1 { v27.h }[4], [x22], #0x2\n"
-    "ld1 { v26.h }[4], [x21], #0x2\n"
+    "ld1 { v14.h }[4], [x10], #0x2\n"
+    "ld1 { v15.h }[4], [x9], #0x2\n"
+    "ld1 { v16.h }[4], [x28], #0x2\n"
+    "ld1 { v17.h }[4], [x27], #0x2\n"
+    "ld1 { v18.h }[4], [x26], #0x2\n"
+    "ld1 { v19.h }[4], [x25], #0x2\n"
+    "ld1 { v20.h }[4], [x24], #0x2\n"
+    "ld1 { v21.h }[4], [x23], #0x2\n"
+    "ld1 { v22.h }[4], [x22], #0x2\n"
     "b 19f\n"
     "17:"  // Oddments: Planar loop: Load: Bit 2: Unset
     "tbz %x[n_channels], #1, 18f\n"
-    "ldr s2, [x9], #0x4\n"
-    "ldr s1, [x28], #0x4\n"
-    "ldr s0, [x27], #0x4\n"
-    "ldr s31, [x26], #0x4\n"
-    "ldr s30, [x25], #0x4\n"
-    "ldr s29, [x24], #0x4\n"
-    "ldr s28, [x23], #0x4\n"
-    "ldr s27, [x22], #0x4\n"
-    "ldr s26, [x21], #0x4\n"
+    "ldr s14, [x10], #0x4\n"
+    "ldr s15, [x9], #0x4\n"
+    "ldr s16, [x28], #0x4\n"
+    "ldr s17, [x27], #0x4\n"
+    "ldr s18, [x26], #0x4\n"
+    "ldr s19, [x25], #0x4\n"
+    "ldr s20, [x24], #0x4\n"
+    "ldr s21, [x23], #0x4\n"
+    "ldr s22, [x22], #0x4\n"
     "tbz %x[n_channels], #0, 19f\n"
-    "ld1 { v2.h }[2], [x9], #0x2\n"
-    "ld1 { v1.h }[2], [x28], #0x2\n"
-    "ld1 { v0.h }[2], [x27], #0x2\n"
-    "ld1 { v31.h }[2], [x26], #0x2\n"
-    "ld1 { v30.h }[2], [x25], #0x2\n"
-    "ld1 { v29.h }[2], [x24], #0x2\n"
-    "ld1 { v28.h }[2], [x23], #0x2\n"
-    "ld1 { v27.h }[2], [x22], #0x2\n"
-    "ld1 { v26.h }[2], [x21], #0x2\n"
+    "ld1 { v14.h }[2], [x10], #0x2\n"
+    "ld1 { v15.h }[2], [x9], #0x2\n"
+    "ld1 { v16.h }[2], [x28], #0x2\n"
+    "ld1 { v17.h }[2], [x27], #0x2\n"
+    "ld1 { v18.h }[2], [x26], #0x2\n"
+    "ld1 { v19.h }[2], [x25], #0x2\n"
+    "ld1 { v20.h }[2], [x24], #0x2\n"
+    "ld1 { v21.h }[2], [x23], #0x2\n"
+    "ld1 { v22.h }[2], [x22], #0x2\n"
     "b 19f\n"
     "18:"  // Oddments: Planar loop: Load: Bit 2: Unset: Bit 1: Unset
-    "tbz %x[n_channels], #0, 19f\n"
-    "ldr h2, [x9], #0x2\n"
-    "ldr h1, [x28], #0x2\n"
-    "ldr h0, [x27], #0x2\n"
-    "ldr h31, [x26], #0x2\n"
-    "ldr h30, [x25], #0x2\n"
-    "ldr h29, [x24], #0x2\n"
-    "ldr h28, [x23], #0x2\n"
-    "ldr h27, [x22], #0x2\n"
-    "ldr h26, [x21], #0x2\n"
+    "ldr h14, [x10], #0x2\n"
+    "ldr h15, [x9], #0x2\n"
+    "ldr h16, [x28], #0x2\n"
+    "ldr h17, [x27], #0x2\n"
+    "ldr h18, [x26], #0x2\n"
+    "ldr h19, [x25], #0x2\n"
+    "ldr h20, [x24], #0x2\n"
+    "ldr h21, [x23], #0x2\n"
+    "ldr h22, [x22], #0x2\n"
     "19:"  // Oddments: Planar loop: Load: Bit 2: End
-    "subs x19, x19, #0x1\n"
+    "subs x20, x20, #0x1\n"
     "bgt 15b\n"
     "20:"  // Oddments: Planar tail
-    "fmla v25.8h, v2.8h, v23.8h\n"
-    "ldp x27, x26, [%x[outptrs], #0x0]\n"
+    "fmla v23.8h, v14.8h, v0.8h\n"
+    "fmla v24.8h, v15.8h, v0.8h\n"
+    "fmax v23.8h, v23.8h, v2.8h\n"
+    "ldp x28, x27, [%x[outptrs], #0x0]\n"
+    "fmla v25.8h, v16.8h, v0.8h\n"
+    "fmla v26.8h, v17.8h, v0.8h\n"
+    "fmax v24.8h, v24.8h, v2.8h\n"
+    "ldp x26, x25, [%x[outptrs], #0x10]\n"
+    "fmla v27.8h, v18.8h, v0.8h\n"
+    "fmla v28.8h, v19.8h, v0.8h\n"
+    "fmax v25.8h, v25.8h, v2.8h\n"
+    "ldp x24, x23, [%x[outptrs], #0x20]\n"
+    "fmla v29.8h, v20.8h, v0.8h\n"
+    "fmla v30.8h, v21.8h, v0.8h\n"
+    "fmax v26.8h, v26.8h, v2.8h\n"
+    "ldp x22, x21, [%x[outptrs], #0x30]\n"
+    "fmla v31.8h, v22.8h, v0.8h\n"
+    "fmax v27.8h, v27.8h, v2.8h\n"
+    "ldr x20, [%x[outptrs], #0x40]\n"
+    "add x28, x28, x11\n"
+    "fmax v28.8h, v28.8h, v2.8h\n"
+    "fmax v29.8h, v29.8h, v2.8h\n"
     "add x27, x27, x11\n"
-    "fmla v24.8h, v1.8h, v23.8h\n"
-    "ldp x25, x24, [%x[outptrs], #0x10]\n"
-    "fmla v22.8h, v0.8h, v23.8h\n"
-    "ldp x23, x22, [%x[outptrs], #0x20]\n"
     "add x26, x26, x11\n"
-    "fmla v21.8h, v31.8h, v23.8h\n"
-    "ldp x21, x20, [%x[outptrs], #0x30]\n"
-    "fmla v20.8h, v30.8h, v23.8h\n"
-    "ldr x19, [%x[outptrs], #0x40]\n"
+    "fmax v30.8h, v30.8h, v2.8h\n"
+    "fmax v31.8h, v31.8h, v2.8h\n"
     "add x25, x25, x11\n"
-    "fmla v19.8h, v29.8h, v23.8h\n"
     "add x24, x24, x11\n"
-    "fmla v18.8h, v28.8h, v23.8h\n"
+    "fmin v23.8h, v23.8h, v1.8h\n"
+    "fmin v24.8h, v24.8h, v1.8h\n"
     "add x23, x23, x11\n"
-    "fmla v17.8h, v27.8h, v23.8h\n"
     "add x22, x22, x11\n"
-    "fmla v16.8h, v26.8h, v23.8h\n"
+    "fmin v25.8h, v25.8h, v1.8h\n"
+    "fmin v26.8h, v26.8h, v1.8h\n"
     "add x21, x21, x11\n"
-    "fmax v25.8h, v25.8h, v4.8h\n"
     "add x20, x20, x11\n"
-    "fmax v24.8h, v24.8h, v4.8h\n"
-    "add x19, x19, x11\n"
-    "fmax v22.8h, v22.8h, v4.8h\n"
-    "fmin v25.8h, v25.8h, v3.8h\n"
-    "fmin v24.8h, v24.8h, v3.8h\n"
-    "fmin v22.8h, v22.8h, v3.8h\n"
-    "fmax v21.8h, v21.8h, v4.8h\n"
-    "fmax v20.8h, v20.8h, v4.8h\n"
-    "fmax v19.8h, v19.8h, v4.8h\n"
-    "fmin v21.8h, v21.8h, v3.8h\n"
-    "fmin v20.8h, v20.8h, v3.8h\n"
-    "fmin v19.8h, v19.8h, v3.8h\n"
-    "fmax v18.8h, v18.8h, v4.8h\n"
-    "fmax v17.8h, v17.8h, v4.8h\n"
-    "fmax v16.8h, v16.8h, v4.8h\n"
-    "fmin v18.8h, v18.8h, v3.8h\n"
-    "fmin v17.8h, v17.8h, v3.8h\n"
-    "fmin v16.8h, v16.8h, v3.8h\n"
+    "fmin v27.8h, v27.8h, v1.8h\n"
+    "fmin v28.8h, v28.8h, v1.8h\n"
+    "fmin v29.8h, v29.8h, v1.8h\n"
+    "fmin v30.8h, v30.8h, v1.8h\n"
+    "fmin v31.8h, v31.8h, v1.8h\n"
     "tbz %x[n_channels], #2, 22f\n"
-    "st1 { v25.d }[0], [x27], #0x8\n"
-    "st1 { v24.d }[0], [x26], #0x8\n"
-    "st1 { v22.d }[0], [x25], #0x8\n"
-    "st1 { v21.d }[0], [x24], #0x8\n"
-    "st1 { v20.d }[0], [x23], #0x8\n"
-    "st1 { v19.d }[0], [x22], #0x8\n"
-    "st1 { v18.d }[0], [x21], #0x8\n"
-    "st1 { v17.d }[0], [x20], #0x8\n"
-    "st1 { v16.d }[0], [x19], #0x8\n"
+    "st1 { v23.d }[0], [x28], #0x8\n"
+    "st1 { v24.d }[0], [x27], #0x8\n"
+    "st1 { v25.d }[0], [x26], #0x8\n"
+    "st1 { v26.d }[0], [x25], #0x8\n"
+    "st1 { v27.d }[0], [x24], #0x8\n"
+    "st1 { v28.d }[0], [x23], #0x8\n"
+    "st1 { v29.d }[0], [x22], #0x8\n"
+    "st1 { v30.d }[0], [x21], #0x8\n"
+    "st1 { v31.d }[0], [x20], #0x8\n"
     "tbz %x[n_channels], #1, 21f\n"
-    "st1 { v25.s }[2], [x27], #0x4\n"
-    "st1 { v24.s }[2], [x26], #0x4\n"
-    "st1 { v22.s }[2], [x25], #0x4\n"
-    "st1 { v21.s }[2], [x24], #0x4\n"
-    "st1 { v20.s }[2], [x23], #0x4\n"
-    "st1 { v19.s }[2], [x22], #0x4\n"
-    "st1 { v18.s }[2], [x21], #0x4\n"
-    "st1 { v17.s }[2], [x20], #0x4\n"
-    "st1 { v16.s }[2], [x19], #0x4\n"
+    "st1 { v23.s }[2], [x28], #0x4\n"
+    "st1 { v24.s }[2], [x27], #0x4\n"
+    "st1 { v25.s }[2], [x26], #0x4\n"
+    "st1 { v26.s }[2], [x25], #0x4\n"
+    "st1 { v27.s }[2], [x24], #0x4\n"
+    "st1 { v28.s }[2], [x23], #0x4\n"
+    "st1 { v29.s }[2], [x22], #0x4\n"
+    "st1 { v30.s }[2], [x21], #0x4\n"
+    "st1 { v31.s }[2], [x20], #0x4\n"
     "tbz %x[n_channels], #0, 24f\n"
-    "st1 { v25.h }[6], [x27], #0x2\n"
-    "st1 { v24.h }[6], [x26], #0x2\n"
-    "st1 { v22.h }[6], [x25], #0x2\n"
-    "st1 { v21.h }[6], [x24], #0x2\n"
-    "st1 { v20.h }[6], [x23], #0x2\n"
-    "st1 { v19.h }[6], [x22], #0x2\n"
-    "st1 { v18.h }[6], [x21], #0x2\n"
-    "st1 { v17.h }[6], [x20], #0x2\n"
-    "st1 { v16.h }[6], [x19], #0x2\n"
+    "st1 { v23.h }[6], [x28], #0x2\n"
+    "st1 { v24.h }[6], [x27], #0x2\n"
+    "st1 { v25.h }[6], [x26], #0x2\n"
+    "st1 { v26.h }[6], [x25], #0x2\n"
+    "st1 { v27.h }[6], [x24], #0x2\n"
+    "st1 { v28.h }[6], [x23], #0x2\n"
+    "st1 { v29.h }[6], [x22], #0x2\n"
+    "st1 { v30.h }[6], [x21], #0x2\n"
+    "st1 { v31.h }[6], [x20], #0x2\n"
     "b 24f\n"
     "21:"  // Oddments: Store: Bit 2: Bit 1: Unset
     "tbz %x[n_channels], #0, 24f\n"
-    "st1 { v25.h }[4], [x27], #0x2\n"
-    "st1 { v24.h }[4], [x26], #0x2\n"
-    "st1 { v22.h }[4], [x25], #0x2\n"
-    "st1 { v21.h }[4], [x24], #0x2\n"
-    "st1 { v20.h }[4], [x23], #0x2\n"
-    "st1 { v19.h }[4], [x22], #0x2\n"
-    "st1 { v18.h }[4], [x21], #0x2\n"
-    "st1 { v17.h }[4], [x20], #0x2\n"
-    "st1 { v16.h }[4], [x19], #0x2\n"
+    "st1 { v23.h }[4], [x28], #0x2\n"
+    "st1 { v24.h }[4], [x27], #0x2\n"
+    "st1 { v25.h }[4], [x26], #0x2\n"
+    "st1 { v26.h }[4], [x25], #0x2\n"
+    "st1 { v27.h }[4], [x24], #0x2\n"
+    "st1 { v28.h }[4], [x23], #0x2\n"
+    "st1 { v29.h }[4], [x22], #0x2\n"
+    "st1 { v30.h }[4], [x21], #0x2\n"
+    "st1 { v31.h }[4], [x20], #0x2\n"
     "b 24f\n"
     "22:"  // Oddments: Store: Bit 2: Unset
     "tbz %x[n_channels], #1, 23f\n"
-    "st1 { v25.s }[0], [x27], #0x4\n"
-    "st1 { v24.s }[0], [x26], #0x4\n"
-    "st1 { v22.s }[0], [x25], #0x4\n"
-    "st1 { v21.s }[0], [x24], #0x4\n"
-    "st1 { v20.s }[0], [x23], #0x4\n"
-    "st1 { v19.s }[0], [x22], #0x4\n"
-    "st1 { v18.s }[0], [x21], #0x4\n"
-    "st1 { v17.s }[0], [x20], #0x4\n"
-    "st1 { v16.s }[0], [x19], #0x4\n"
+    "st1 { v23.s }[0], [x28], #0x4\n"
+    "st1 { v24.s }[0], [x27], #0x4\n"
+    "st1 { v25.s }[0], [x26], #0x4\n"
+    "st1 { v26.s }[0], [x25], #0x4\n"
+    "st1 { v27.s }[0], [x24], #0x4\n"
+    "st1 { v28.s }[0], [x23], #0x4\n"
+    "st1 { v29.s }[0], [x22], #0x4\n"
+    "st1 { v30.s }[0], [x21], #0x4\n"
+    "st1 { v31.s }[0], [x20], #0x4\n"
     "tbz %x[n_channels], #0, 24f\n"
-    "st1 { v25.h }[2], [x27], #0x2\n"
-    "st1 { v24.h }[2], [x26], #0x2\n"
-    "st1 { v22.h }[2], [x25], #0x2\n"
-    "st1 { v21.h }[2], [x24], #0x2\n"
-    "st1 { v20.h }[2], [x23], #0x2\n"
-    "st1 { v19.h }[2], [x22], #0x2\n"
-    "st1 { v18.h }[2], [x21], #0x2\n"
-    "st1 { v17.h }[2], [x20], #0x2\n"
-    "st1 { v16.h }[2], [x19], #0x2\n"
+    "st1 { v23.h }[2], [x28], #0x2\n"
+    "st1 { v24.h }[2], [x27], #0x2\n"
+    "st1 { v25.h }[2], [x26], #0x2\n"
+    "st1 { v26.h }[2], [x25], #0x2\n"
+    "st1 { v27.h }[2], [x24], #0x2\n"
+    "st1 { v28.h }[2], [x23], #0x2\n"
+    "st1 { v29.h }[2], [x22], #0x2\n"
+    "st1 { v30.h }[2], [x21], #0x2\n"
+    "st1 { v31.h }[2], [x20], #0x2\n"
     "b 24f\n"
     "23:"  // Oddments: Store: Bit 2: Unset: Bit 1: Unset
-    "tbz %x[n_channels], #0, 24f\n"
-    "st1 { v25.h }[0], [x27], #0x2\n"
-    "st1 { v24.h }[0], [x26], #0x2\n"
-    "st1 { v22.h }[0], [x25], #0x2\n"
-    "st1 { v21.h }[0], [x24], #0x2\n"
-    "st1 { v20.h }[0], [x23], #0x2\n"
-    "st1 { v19.h }[0], [x22], #0x2\n"
-    "st1 { v18.h }[0], [x21], #0x2\n"
-    "st1 { v17.h }[0], [x20], #0x2\n"
-    "st1 { v16.h }[0], [x19], #0x2\n"
+    "st1 { v23.h }[0], [x28], #0x2\n"
+    "st1 { v24.h }[0], [x27], #0x2\n"
+    "st1 { v25.h }[0], [x26], #0x2\n"
+    "st1 { v26.h }[0], [x25], #0x2\n"
+    "st1 { v27.h }[0], [x24], #0x2\n"
+    "st1 { v28.h }[0], [x23], #0x2\n"
+    "st1 { v29.h }[0], [x22], #0x2\n"
+    "st1 { v30.h }[0], [x21], #0x2\n"
+    "st1 { v31.h }[0], [x20], #0x2\n"
     "24:"  // Oddments: Store: Bit 2: End
 
     "25:"  // End
 
     : [params] "+&r" (params)
     : [bias] "r" (bias), [inptrs] "r" (inptrs), [minmax_vals] "r" (minmax_vals), [n_channels] "r" ((uint64_t) n_channels), [n_points] "r" ((uint64_t) n_points), [outptrs] "r" (outptrs)
-    : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x9", "x10", "x11", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28"
+    : "cc", "memory", "v0", "v1", "v2", "v14", "v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x9", "x10", "x11", "x12", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28"
   );
 }
 
-- 
cgit v1.2.1