diff options
Diffstat (limited to 'thirdparty/libvpx/vp8/common/arm/neon/iwalsh_neon.c')
-rw-r--r-- | thirdparty/libvpx/vp8/common/arm/neon/iwalsh_neon.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/thirdparty/libvpx/vp8/common/arm/neon/iwalsh_neon.c b/thirdparty/libvpx/vp8/common/arm/neon/iwalsh_neon.c deleted file mode 100644 index 6ea9dd712a..0000000000 --- a/thirdparty/libvpx/vp8/common/arm/neon/iwalsh_neon.c +++ /dev/null @@ -1,102 +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 vp8_short_inv_walsh4x4_neon( - int16_t *input, - int16_t *mb_dqcoeff) { - int16x8_t q0s16, q1s16, q2s16, q3s16; - int16x4_t d4s16, d5s16, d6s16, d7s16; - int16x4x2_t v2tmp0, v2tmp1; - int32x2x2_t v2tmp2, v2tmp3; - int16x8_t qAdd3; - - q0s16 = vld1q_s16(input); - q1s16 = vld1q_s16(input + 8); - - // 1st for loop - d4s16 = vadd_s16(vget_low_s16(q0s16), vget_high_s16(q1s16)); - d6s16 = vadd_s16(vget_high_s16(q0s16), vget_low_s16(q1s16)); - d5s16 = vsub_s16(vget_low_s16(q0s16), vget_high_s16(q1s16)); - d7s16 = vsub_s16(vget_high_s16(q0s16), vget_low_s16(q1s16)); - - q2s16 = vcombine_s16(d4s16, d5s16); - q3s16 = vcombine_s16(d6s16, d7s16); - - q0s16 = vaddq_s16(q2s16, q3s16); - q1s16 = vsubq_s16(q2s16, q3s16); - - v2tmp2 = vtrn_s32(vreinterpret_s32_s16(vget_low_s16(q0s16)), - vreinterpret_s32_s16(vget_low_s16(q1s16))); - v2tmp3 = vtrn_s32(vreinterpret_s32_s16(vget_high_s16(q0s16)), - vreinterpret_s32_s16(vget_high_s16(q1s16))); - v2tmp0 = vtrn_s16(vreinterpret_s16_s32(v2tmp2.val[0]), - vreinterpret_s16_s32(v2tmp3.val[0])); - v2tmp1 = vtrn_s16(vreinterpret_s16_s32(v2tmp2.val[1]), - vreinterpret_s16_s32(v2tmp3.val[1])); - - // 2nd for loop - d4s16 = vadd_s16(v2tmp0.val[0], v2tmp1.val[1]); - d6s16 = vadd_s16(v2tmp0.val[1], v2tmp1.val[0]); - d5s16 = vsub_s16(v2tmp0.val[0], v2tmp1.val[1]); - d7s16 = vsub_s16(v2tmp0.val[1], v2tmp1.val[0]); - q2s16 = vcombine_s16(d4s16, d5s16); - q3s16 = vcombine_s16(d6s16, d7s16); - - qAdd3 = vdupq_n_s16(3); - - q0s16 = vaddq_s16(q2s16, q3s16); - q1s16 = vsubq_s16(q2s16, q3s16); - - q0s16 = vaddq_s16(q0s16, qAdd3); - q1s16 = vaddq_s16(q1s16, qAdd3); - - q0s16 = vshrq_n_s16(q0s16, 3); - q1s16 = vshrq_n_s16(q1s16, 3); - - // store - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q0s16), 0); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q0s16), 0); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q1s16), 0); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q1s16), 0); - mb_dqcoeff += 16; - - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q0s16), 1); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q0s16), 1); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q1s16), 1); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q1s16), 1); - mb_dqcoeff += 16; - - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q0s16), 2); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q0s16), 2); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q1s16), 2); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q1s16), 2); - mb_dqcoeff += 16; - - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q0s16), 3); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q0s16), 3); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_low_s16(q1s16), 3); - mb_dqcoeff += 16; - vst1_lane_s16(mb_dqcoeff, vget_high_s16(q1s16), 3); - mb_dqcoeff += 16; - return; -} |