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Unified Diff: source/libvpx/vp8/decoder/arm/neon/dequant_dc_idct_neon.asm

Issue 3417017: Update libvpx sources to v0.9.2-35-ga8a38bc. ... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 10 years, 3 months ago
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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
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