mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
131 lines
3.4 KiB
NASM
131 lines
3.4 KiB
NASM
;
|
|
; Copyright (c) 2010 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.
|
|
;
|
|
|
|
|
|
EXPORT |vp8_dequant_idct_add_neon|
|
|
ARM
|
|
REQUIRE8
|
|
PRESERVE8
|
|
|
|
AREA ||.text||, CODE, READONLY, ALIGN=2
|
|
;void vp8_dequant_idct_neon(short *input, short *dq, unsigned char *pred,
|
|
; unsigned char *dest, int pitch, int stride)
|
|
; r0 short *input,
|
|
; r1 short *dq,
|
|
; r2 unsigned char *pred
|
|
; r3 unsigned char *dest
|
|
; sp int pitch
|
|
; sp+4 int stride
|
|
|
|
|vp8_dequant_idct_add_neon| PROC
|
|
vld1.16 {q3, q4}, [r0]
|
|
vld1.16 {q5, q6}, [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
|
|
|
|
ldr r12, _CONSTANTS_
|
|
|
|
vmul.i16 q1, q3, q5 ;input for short_idct4x4llm_neon
|
|
vmul.i16 q2, q4, q6
|
|
|
|
;|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_idct_add_neon|
|
|
|
|
; Constant Pool
|
|
_CONSTANTS_ DCD cospi8sqrt2minus1
|
|
cospi8sqrt2minus1 DCD 0x4e7b4e7b
|
|
sinpi8sqrt2 DCD 0x8a8c8a8c
|
|
|
|
END
|