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-rw-r--r--chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/iwalsh_neon.asm87
1 files changed, 0 insertions, 87 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/iwalsh_neon.asm b/chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/iwalsh_neon.asm
deleted file mode 100644
index e8ea2a61976..00000000000
--- a/chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/iwalsh_neon.asm
+++ /dev/null
@@ -1,87 +0,0 @@
-;
-; Copyright (c) 2010 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.
-;
- EXPORT |vp8_short_inv_walsh4x4_neon|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA |.text|, CODE, READONLY ; name this block of code
-
-;short vp8_short_inv_walsh4x4_neon(short *input, short *mb_dqcoeff)
-|vp8_short_inv_walsh4x4_neon| PROC
-
- ; read in all four lines of values: d0->d3
- vld1.i16 {q0-q1}, [r0@128]
-
- ; first for loop
- vadd.s16 d4, d0, d3 ;a = [0] + [12]
- vadd.s16 d6, d1, d2 ;b = [4] + [8]
- vsub.s16 d5, d0, d3 ;d = [0] - [12]
- vsub.s16 d7, d1, d2 ;c = [4] - [8]
-
- vadd.s16 q0, q2, q3 ; a+b d+c
- vsub.s16 q1, q2, q3 ; a-b d-c
-
- vtrn.32 d0, d2 ;d0: 0 1 8 9
- ;d2: 2 3 10 11
- vtrn.32 d1, d3 ;d1: 4 5 12 13
- ;d3: 6 7 14 15
-
- vtrn.16 d0, d1 ;d0: 0 4 8 12
- ;d1: 1 5 9 13
- vtrn.16 d2, d3 ;d2: 2 6 10 14
- ;d3: 3 7 11 15
-
- ; second for loop
-
- vadd.s16 d4, d0, d3 ;a = [0] + [3]
- vadd.s16 d6, d1, d2 ;b = [1] + [2]
- vsub.s16 d5, d0, d3 ;d = [0] - [3]
- vsub.s16 d7, d1, d2 ;c = [1] - [2]
-
- vmov.i16 q8, #3
-
- vadd.s16 q0, q2, q3 ; a+b d+c
- vsub.s16 q1, q2, q3 ; a-b d-c
-
- vadd.i16 q0, q0, q8 ;e/f += 3
- vadd.i16 q1, q1, q8 ;g/h += 3
-
- vshr.s16 q0, q0, #3 ;e/f >> 3
- vshr.s16 q1, q1, #3 ;g/h >> 3
-
- mov r2, #64
- add r3, r1, #32
-
- vst1.i16 d0[0], [r1],r2
- vst1.i16 d1[0], [r3],r2
- vst1.i16 d2[0], [r1],r2
- vst1.i16 d3[0], [r3],r2
-
- vst1.i16 d0[1], [r1],r2
- vst1.i16 d1[1], [r3],r2
- vst1.i16 d2[1], [r1],r2
- vst1.i16 d3[1], [r3],r2
-
- vst1.i16 d0[2], [r1],r2
- vst1.i16 d1[2], [r3],r2
- vst1.i16 d2[2], [r1],r2
- vst1.i16 d3[2], [r3],r2
-
- vst1.i16 d0[3], [r1],r2
- vst1.i16 d1[3], [r3],r2
- vst1.i16 d2[3], [r1]
- vst1.i16 d3[3], [r3]
-
- bx lr
- ENDP ; |vp8_short_inv_walsh4x4_neon|
-
- END