@ This file was created from a .asm file
@  using the ads2gas.pl script.
.syntax unified
@
@  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
@
@  Use of this source code is governed by a BSD-style license
@  that can be found in the LICENSE file in the root of the source
@  tree. An additional intellectual property rights grant can be found
@  in the file PATENTS.  All contributing project authors may
@  be found in the AUTHORS file in the root of the source tree.
@

    .global vpx_convolve_avg_neon
    .type vpx_convolve_avg_neon, function
    .arm
    .eabi_attribute 24, 1 @Tag_ABI_align_needed
    .eabi_attribute 25, 1 @Tag_ABI_align_preserved

    .text
    .p2align 2

vpx_convolve_avg_neon: @ PROC
    push                {r4-r6, lr}
    ldrd                r4, r5, [sp, #36]
    mov                 r6, r2

    cmp                 r4, #32
    bgt                 avg64
    beq                 avg32
    cmp                 r4, #8
    bgt                 avg16
    beq                 avg8
    b                   avg4

avg64:
    sub                 lr, r1, #32
    sub                 r4, r3, #32
avg64_h:
    pld                 [r0, r1, lsl #1]
    vld1.8              {q0-q1}, [r0]!
    vld1.8              {q2-q3}, [r0], lr
    pld                 [r2, r3]
    vld1.8              {q8-q9},   [r6,:128]!
    vld1.8              {q10-q11}, [r6,:128], r4
    vrhadd.u8           q0, q0, q8
    vrhadd.u8           q1, q1, q9
    vrhadd.u8           q2, q2, q10
    vrhadd.u8           q3, q3, q11
    vst1.8              {q0-q1}, [r2,:128]!
    vst1.8              {q2-q3}, [r2,:128], r4
    subs                r5, r5, #1
    bgt                 avg64_h
    pop                 {r4-r6, pc}

avg32:
    vld1.8              {q0-q1}, [r0], r1
    vld1.8              {q2-q3}, [r0], r1
    vld1.8              {q8-q9},   [r6,:128], r3
    vld1.8              {q10-q11}, [r6,:128], r3
    pld                 [r0]
    vrhadd.u8           q0, q0, q8
    pld                 [r0, r1]
    vrhadd.u8           q1, q1, q9
    pld                 [r6]
    vrhadd.u8           q2, q2, q10
    pld                 [r6, r3]
    vrhadd.u8           q3, q3, q11
    vst1.8              {q0-q1}, [r2,:128], r3
    vst1.8              {q2-q3}, [r2,:128], r3
    subs                r5, r5, #2
    bgt                 avg32
    pop                 {r4-r6, pc}

avg16:
    vld1.8              {q0}, [r0], r1
    vld1.8              {q1}, [r0], r1
    vld1.8              {q2}, [r6,:128], r3
    vld1.8              {q3}, [r6,:128], r3
    pld                 [r0]
    pld                 [r0, r1]
    vrhadd.u8           q0, q0, q2
    pld                 [r6]
    pld                 [r6, r3]
    vrhadd.u8           q1, q1, q3
    vst1.8              {q0}, [r2,:128], r3
    vst1.8              {q1}, [r2,:128], r3
    subs                r5, r5, #2
    bgt                 avg16
    pop                 {r4-r6, pc}

avg8:
    vld1.8              {d0}, [r0], r1
    vld1.8              {d1}, [r0], r1
    vld1.8              {d2}, [r6,:64], r3
    vld1.8              {d3}, [r6,:64], r3
    pld                 [r0]
    pld                 [r0, r1]
    vrhadd.u8           q0, q0, q1
    pld                 [r6]
    pld                 [r6, r3]
    vst1.8              {d0}, [r2,:64], r3
    vst1.8              {d1}, [r2,:64], r3
    subs                r5, r5, #2
    bgt                 avg8
    pop                 {r4-r6, pc}

avg4:
    vld1.32             {d0[0]}, [r0], r1
    vld1.32             {d0[1]}, [r0], r1
    vld1.32             {d2[0]}, [r6,:32], r3
    vld1.32             {d2[1]}, [r6,:32], r3
    vrhadd.u8           d0, d0, d2
    vst1.32             {d0[0]}, [r2,:32], r3
    vst1.32             {d0[1]}, [r2,:32], r3
    subs                r5, r5, #2
    bgt                 avg4
    pop                 {r4-r6, pc}
.size vpx_convolve_avg_neon, .-vpx_convolve_avg_neon    @ ENDP

    .section .note.GNU-stack,"",%progbits