Index: source/libvpx/vp8/decoder/arm/neon/dequant_dc_idct_neon.asm |
=================================================================== |
--- source/libvpx/vp8/decoder/arm/neon/dequant_dc_idct_neon.asm (revision 60257) |
+++ source/libvpx/vp8/decoder/arm/neon/dequant_dc_idct_neon.asm (working copy) |
@@ -1,136 +0,0 @@ |
-; |
-; 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_dequant_dc_idct_add_neon| |
- ARM |
- REQUIRE8 |
- PRESERVE8 |
- |
- AREA ||.text||, CODE, READONLY, ALIGN=2 |
-;void vp8_dequant_dc_idct_add_neon(short *input, short *dq, unsigned char *pred, |
-; unsigned char *dest, int pitch, int stride, |
-; int Dc); |
-; r0 short *input, |
-; r1 short *dq, |
-; r2 unsigned char *pred |
-; r3 unsigned char *dest |
-; sp int pitch |
-; sp+4 int stride |
-; sp+8 int Dc |
-|vp8_dequant_dc_idct_add_neon| PROC |
- vld1.16 {q3, q4}, [r0] |
- vld1.16 {q5, q6}, [r1] |
- |
- ldr r1, [sp, #8] ;load Dc from stack |
- |
- ldr r12, _CONSTANTS_ |
- |
- vmul.i16 q1, q3, q5 ;input for short_idct4x4llm_neon |
- vmul.i16 q2, q4, q6 |
- |
- vmov.16 d2[0], r1 |
- |
- ldr r1, [sp] ; pitch |
- vld1.32 {d14[0]}, [r2], r1 |
- vld1.32 {d14[1]}, [r2], r1 |
- vld1.32 {d15[0]}, [r2], r1 |
- vld1.32 {d15[1]}, [r2] |
- |
- ldr r1, [sp, #4] ; stride |
- |
-;|short_idct4x4llm_neon| PROC |
- vld1.16 {d0}, [r12] |
- vswp d3, d4 ;q2(vp[4] vp[12]) |
- |
- vqdmulh.s16 q3, q2, d0[2] |
- vqdmulh.s16 q4, q2, d0[0] |
- |
- vqadd.s16 d12, d2, d3 ;a1 |
- vqsub.s16 d13, d2, d3 ;b1 |
- |
- vshr.s16 q3, q3, #1 |
- vshr.s16 q4, q4, #1 |
- |
- vqadd.s16 q3, q3, q2 |
- vqadd.s16 q4, q4, q2 |
- |
- vqsub.s16 d10, d6, d9 ;c1 |
- vqadd.s16 d11, d7, d8 ;d1 |
- |
- vqadd.s16 d2, d12, d11 |
- vqadd.s16 d3, d13, d10 |
- vqsub.s16 d4, d13, d10 |
- vqsub.s16 d5, d12, d11 |
- |
- vtrn.32 d2, d4 |
- vtrn.32 d3, d5 |
- vtrn.16 d2, d3 |
- vtrn.16 d4, d5 |
- |
-; memset(input, 0, 32) -- 32bytes |
- vmov.i16 q14, #0 |
- |
- vswp d3, d4 |
- vqdmulh.s16 q3, q2, d0[2] |
- vqdmulh.s16 q4, q2, d0[0] |
- |
- vqadd.s16 d12, d2, d3 ;a1 |
- vqsub.s16 d13, d2, d3 ;b1 |
- |
- vmov q15, q14 |
- |
- vshr.s16 q3, q3, #1 |
- vshr.s16 q4, q4, #1 |
- |
- vqadd.s16 q3, q3, q2 |
- vqadd.s16 q4, q4, q2 |
- |
- vqsub.s16 d10, d6, d9 ;c1 |
- vqadd.s16 d11, d7, d8 ;d1 |
- |
- vqadd.s16 d2, d12, d11 |
- vqadd.s16 d3, d13, d10 |
- vqsub.s16 d4, d13, d10 |
- vqsub.s16 d5, d12, d11 |
- |
- vst1.16 {q14, q15}, [r0] |
- |
- vrshr.s16 d2, d2, #3 |
- vrshr.s16 d3, d3, #3 |
- vrshr.s16 d4, d4, #3 |
- vrshr.s16 d5, d5, #3 |
- |
- vtrn.32 d2, d4 |
- vtrn.32 d3, d5 |
- vtrn.16 d2, d3 |
- vtrn.16 d4, d5 |
- |
- vaddw.u8 q1, q1, d14 |
- vaddw.u8 q2, q2, d15 |
- |
- vqmovun.s16 d0, q1 |
- vqmovun.s16 d1, q2 |
- |
- vst1.32 {d0[0]}, [r3], r1 |
- vst1.32 {d0[1]}, [r3], r1 |
- vst1.32 {d1[0]}, [r3], r1 |
- vst1.32 {d1[1]}, [r3] |
- |
- bx lr |
- |
- ENDP ; |vp8_dequant_dc_idct_add_neon| |
- |
-; Constant Pool |
-_CONSTANTS_ DCD cospi8sqrt2minus1 |
-cospi8sqrt2minus1 DCD 0x4e7b4e7b |
-sinpi8sqrt2 DCD 0x8a8c8a8c |
- |
- END |