source/libvpx/vp8/encoder/arm/neon/vp8_shortwalsh4x4_neon.c - Issue 668403002: libvpx: Pull from upstream

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Side by Side Diff: source/libvpx/vp8/encoder/arm/neon/vp8_shortwalsh4x4_neon.c

Issue 668403002: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/

Patch Set: Created 6 years, 2 months ago

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1 /*	1 /*

2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.	2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.

3 *	3 *

4 * Use of this source code is governed by a BSD-style license	4 * Use of this source code is governed by a BSD-style license

5 * that can be found in the LICENSE file in the root of the source	5 * that can be found in the LICENSE file in the root of the source

6 * tree. An additional intellectual property rights grant can be found	6 * tree. An additional intellectual property rights grant can be found

7 * in the file PATENTS. All contributing project authors may	7 * in the file PATENTS. All contributing project authors may

8 * be found in the AUTHORS file in the root of the source tree.	8 * be found in the AUTHORS file in the root of the source tree.

9 */	9 */

10	10

11 #include <arm_neon.h>	11 #include <arm_neon.h>

	12 #include "vpx_ports/arm.h"

12	13

13 #if (__GNUC__ == 4 && (__GNUC_MINOR__ == 6))	14 #ifdef VPX_INCOMPATIBLE_GCC

14 #warning Using GCC 4.6 is not recommended

15 // Some versions of gcc4.6 do not correctly process this function. When built

16 // with any gcc4.6, use the C code.

17 #include "./vp8_rtcd.h"	15 #include "./vp8_rtcd.h"

18 void vp8_short_walsh4x4_neon(	16 void vp8_short_walsh4x4_neon(

19 int16_t *input,	17 int16_t *input,

20 int16_t *output,	18 int16_t *output,

21 int pitch) {	19 int pitch) {

22 vp8_short_walsh4x4_c(input, output, pitch);	20 vp8_short_walsh4x4_c(input, output, pitch);

23 }	21 }

24 #else	22 #else

25 void vp8_short_walsh4x4_neon(	23 void vp8_short_walsh4x4_neon(

26 int16_t *input,	24 int16_t *input,

(...skipping 94 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
121 d2s16 = vshrn_n_s32(q10s32, 3);	119 d2s16 = vshrn_n_s32(q10s32, 3);

122 d3s16 = vshrn_n_s32(q11s32, 3);	120 d3s16 = vshrn_n_s32(q11s32, 3);

123	121

124 q0s16 = vcombine_s16(d0s16, d1s16);	122 q0s16 = vcombine_s16(d0s16, d1s16);

125 q1s16 = vcombine_s16(d2s16, d3s16);	123 q1s16 = vcombine_s16(d2s16, d3s16);

126	124

127 vst1q_s16(output, q0s16);	125 vst1q_s16(output, q0s16);

128 vst1q_s16(output + 8, q1s16);	126 vst1q_s16(output + 8, q1s16);

129 return;	127 return;

130 }	128 }

131 #endif // (__GNUC__ == 4 && (__GNUC_MINOR__ == 6))	129 #endif // VPX_INCOMPATIBLE_GCC

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