Index: source/libvpx/vp8/common/arm/neon/idct_dequant_0_2x_neon.c |
=================================================================== |
--- source/libvpx/vp8/common/arm/neon/idct_dequant_0_2x_neon.c (revision 271012) |
+++ source/libvpx/vp8/common/arm/neon/idct_dequant_0_2x_neon.c (working copy) |
@@ -1,62 +0,0 @@ |
-/* |
- * Copyright (c) 2014 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. |
- */ |
- |
-#include <arm_neon.h> |
- |
-void idct_dequant_0_2x_neon( |
- int16_t *q, |
- int16_t dq, |
- unsigned char *dst, |
- int stride) { |
- unsigned char *dst0; |
- int i, a0, a1; |
- int16x8x2_t q2Add; |
- int32x2_t d2s32, d4s32; |
- uint8x8_t d2u8, d4u8; |
- uint16x8_t q1u16, q2u16; |
- |
- a0 = ((q[0] * dq) + 4) >> 3; |
- a1 = ((q[16] * dq) + 4) >> 3; |
- q[0] = q[16] = 0; |
- q2Add.val[0] = vdupq_n_s16((int16_t)a0); |
- q2Add.val[1] = vdupq_n_s16((int16_t)a1); |
- |
- for (i = 0; i < 2; i++, dst += 4) { |
- dst0 = dst; |
- d2s32 = vld1_lane_s32((const int32_t *)dst0, d2s32, 0); |
- dst0 += stride; |
- d2s32 = vld1_lane_s32((const int32_t *)dst0, d2s32, 1); |
- dst0 += stride; |
- d4s32 = vld1_lane_s32((const int32_t *)dst0, d4s32, 0); |
- dst0 += stride; |
- d4s32 = vld1_lane_s32((const int32_t *)dst0, d4s32, 1); |
- |
- q1u16 = vaddw_u8(vreinterpretq_u16_s16(q2Add.val[i]), |
- vreinterpret_u8_s32(d2s32)); |
- q2u16 = vaddw_u8(vreinterpretq_u16_s16(q2Add.val[i]), |
- vreinterpret_u8_s32(d4s32)); |
- |
- d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q1u16)); |
- d4u8 = vqmovun_s16(vreinterpretq_s16_u16(q2u16)); |
- |
- d2s32 = vreinterpret_s32_u8(d2u8); |
- d4s32 = vreinterpret_s32_u8(d4u8); |
- |
- dst0 = dst; |
- vst1_lane_s32((int32_t *)dst0, d2s32, 0); |
- dst0 += stride; |
- vst1_lane_s32((int32_t *)dst0, d2s32, 1); |
- dst0 += stride; |
- vst1_lane_s32((int32_t *)dst0, d4s32, 0); |
- dst0 += stride; |
- vst1_lane_s32((int32_t *)dst0, d4s32, 1); |
- } |
- return; |
-} |