122 lines
3.8 KiB
NASM
122 lines
3.8 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.
|
||
|
|
;
|
||
|
|
|
||
|
|
|
||
|
|
%include "vpx_ports/x86_abi_support.asm"
|
||
|
|
|
||
|
|
;void vp8_short_inv_walsh4x4_sse2(short *input, short *output)
|
||
|
|
global sym(vp8_short_inv_walsh4x4_sse2) PRIVATE
|
||
|
|
sym(vp8_short_inv_walsh4x4_sse2):
|
||
|
|
push rbp
|
||
|
|
mov rbp, rsp
|
||
|
|
SHADOW_ARGS_TO_STACK 2
|
||
|
|
; end prolog
|
||
|
|
|
||
|
|
mov rcx, arg(0)
|
||
|
|
mov rdx, arg(1)
|
||
|
|
mov rax, 30003h
|
||
|
|
|
||
|
|
movdqa xmm0, [rcx + 0] ;ip[4] ip[0]
|
||
|
|
movdqa xmm1, [rcx + 16] ;ip[12] ip[8]
|
||
|
|
|
||
|
|
|
||
|
|
pshufd xmm2, xmm1, 4eh ;ip[8] ip[12]
|
||
|
|
movdqa xmm3, xmm0 ;ip[4] ip[0]
|
||
|
|
|
||
|
|
paddw xmm0, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1
|
||
|
|
psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1
|
||
|
|
|
||
|
|
movdqa xmm4, xmm0
|
||
|
|
punpcklqdq xmm0, xmm3 ;d1 a1
|
||
|
|
punpckhqdq xmm4, xmm3 ;c1 b1
|
||
|
|
|
||
|
|
movdqa xmm1, xmm4 ;c1 b1
|
||
|
|
paddw xmm4, xmm0 ;dl+cl a1+b1 aka op[4] op[0]
|
||
|
|
psubw xmm0, xmm1 ;d1-c1 a1-b1 aka op[12] op[8]
|
||
|
|
|
||
|
|
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
; 13 12 11 10 03 02 01 00
|
||
|
|
;
|
||
|
|
; 33 32 31 30 23 22 21 20
|
||
|
|
;
|
||
|
|
movdqa xmm3, xmm4 ; 13 12 11 10 03 02 01 00
|
||
|
|
punpcklwd xmm4, xmm0 ; 23 03 22 02 21 01 20 00
|
||
|
|
punpckhwd xmm3, xmm0 ; 33 13 32 12 31 11 30 10
|
||
|
|
movdqa xmm1, xmm4 ; 23 03 22 02 21 01 20 00
|
||
|
|
punpcklwd xmm4, xmm3 ; 31 21 11 01 30 20 10 00
|
||
|
|
punpckhwd xmm1, xmm3 ; 33 23 13 03 32 22 12 02
|
||
|
|
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
movd xmm0, eax
|
||
|
|
pshufd xmm2, xmm1, 4eh ;ip[8] ip[12]
|
||
|
|
movdqa xmm3, xmm4 ;ip[4] ip[0]
|
||
|
|
|
||
|
|
pshufd xmm0, xmm0, 0 ;03 03 03 03 03 03 03 03
|
||
|
|
|
||
|
|
paddw xmm4, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1
|
||
|
|
psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1
|
||
|
|
|
||
|
|
movdqa xmm5, xmm4
|
||
|
|
punpcklqdq xmm4, xmm3 ;d1 a1
|
||
|
|
punpckhqdq xmm5, xmm3 ;c1 b1
|
||
|
|
|
||
|
|
movdqa xmm1, xmm5 ;c1 b1
|
||
|
|
paddw xmm5, xmm4 ;dl+cl a1+b1 aka op[4] op[0]
|
||
|
|
psubw xmm4, xmm1 ;d1-c1 a1-b1 aka op[12] op[8]
|
||
|
|
|
||
|
|
paddw xmm5, xmm0
|
||
|
|
paddw xmm4, xmm0
|
||
|
|
psraw xmm5, 3
|
||
|
|
psraw xmm4, 3
|
||
|
|
|
||
|
|
movd eax, xmm5
|
||
|
|
movd ecx, xmm4
|
||
|
|
psrldq xmm5, 4
|
||
|
|
psrldq xmm4, 4
|
||
|
|
mov word ptr[rdx+32*0], ax
|
||
|
|
mov word ptr[rdx+32*2], cx
|
||
|
|
shr eax, 16
|
||
|
|
shr ecx, 16
|
||
|
|
mov word ptr[rdx+32*4], ax
|
||
|
|
mov word ptr[rdx+32*6], cx
|
||
|
|
movd eax, xmm5
|
||
|
|
movd ecx, xmm4
|
||
|
|
psrldq xmm5, 4
|
||
|
|
psrldq xmm4, 4
|
||
|
|
mov word ptr[rdx+32*8], ax
|
||
|
|
mov word ptr[rdx+32*10], cx
|
||
|
|
shr eax, 16
|
||
|
|
shr ecx, 16
|
||
|
|
mov word ptr[rdx+32*12], ax
|
||
|
|
mov word ptr[rdx+32*14], cx
|
||
|
|
|
||
|
|
movd eax, xmm5
|
||
|
|
movd ecx, xmm4
|
||
|
|
psrldq xmm5, 4
|
||
|
|
psrldq xmm4, 4
|
||
|
|
mov word ptr[rdx+32*1], ax
|
||
|
|
mov word ptr[rdx+32*3], cx
|
||
|
|
shr eax, 16
|
||
|
|
shr ecx, 16
|
||
|
|
mov word ptr[rdx+32*5], ax
|
||
|
|
mov word ptr[rdx+32*7], cx
|
||
|
|
movd eax, xmm5
|
||
|
|
movd ecx, xmm4
|
||
|
|
mov word ptr[rdx+32*9], ax
|
||
|
|
mov word ptr[rdx+32*11], cx
|
||
|
|
shr eax, 16
|
||
|
|
shr ecx, 16
|
||
|
|
mov word ptr[rdx+32*13], ax
|
||
|
|
mov word ptr[rdx+32*15], cx
|
||
|
|
|
||
|
|
; begin epilog
|
||
|
|
UNSHADOW_ARGS
|
||
|
|
pop rbp
|
||
|
|
ret
|