| ; |
| ; Copyright (c) 2010 The VP8 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_idct4x4llm_1_neon| |
| EXPORT |vp8_dc_only_idct_neon| |
| ARM |
| REQUIRE8 |
| PRESERVE8 |
| |
| AREA ||.text||, CODE, READONLY, ALIGN=2 |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;void vp8_short_idct4x4llm_1_c(short *input, short *output, int pitch); |
| ; r0 short *input; |
| ; r1 short *output; |
| ; r2 int pitch; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |vp8_short_idct4x4llm_1_neon| PROC |
| vld1.16 {d0[]}, [r0] ;load input[0] |
| |
| add r3, r1, r2 |
| add r12, r3, r2 |
| |
| vrshr.s16 d0, d0, #3 |
| |
| add r0, r12, r2 |
| |
| vst1.16 {d0}, [r1] |
| vst1.16 {d0}, [r3] |
| vst1.16 {d0}, [r12] |
| vst1.16 {d0}, [r0] |
| |
| bx lr |
| ENDP |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;void vp8_dc_only_idct_c(short input_dc, short *output, int pitch); |
| ; r0 short input_dc; |
| ; r1 short *output; |
| ; r2 int pitch; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |vp8_dc_only_idct_neon| PROC |
| vdup.16 d0, r0 |
| |
| add r3, r1, r2 |
| add r12, r3, r2 |
| |
| vrshr.s16 d0, d0, #3 |
| |
| add r0, r12, r2 |
| |
| vst1.16 {d0}, [r1] |
| vst1.16 {d0}, [r3] |
| vst1.16 {d0}, [r12] |
| vst1.16 {d0}, [r0] |
| |
| bx lr |
| |
| ENDP |
| END |
